src/HOL/Bali/DefiniteAssignment.thy
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header {* Definite Assignment *}
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theory DefiniteAssignment imports WellType begin 
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text {* Definite Assignment Analysis (cf. 16)
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The definite assignment analysis approximates the sets of local 
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variables that will be assigned at a certain point of evaluation, and ensures
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that we will only read variables which previously were assigned.
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It should conform to the following idea:
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 If the evaluation of a term completes normally (no abruption (exception, 
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break, continue, return) appeared) , the set of local variables calculated 
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by the analysis is a subset of the
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variables that were actually assigned during evaluation.
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To get more precise information about the sets of assigned variables the 
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analysis includes the following optimisations:
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\begin{itemize}
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  \item Inside of a while loop we also take care of the variables assigned
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        before break statements, since the break causes the while loop to
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        continue normally.
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  \item For conditional statements we take care of constant conditions to 
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        statically determine the path of evaluation.
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  \item Inside a distinct path of a conditional statements we know to which
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        boolean value the condition has evaluated to, and so can retrieve more
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        information about the variables assigned during evaluation of the
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        boolean condition.
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\end{itemize}
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Since in our model of Java the return values of methods are stored in a local
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variable we also ensure that every path of (normal) evaluation will assign the
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result variable, or in the sense of real Java every path ends up in and 
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return instruction. 
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Not covered yet:
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\begin{itemize} 
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  \item analysis of definite unassigned
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  \item special treatment of final fields
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\end{itemize}
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*}
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section {* Correct nesting of jump statements *}
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text {* For definite assignment it becomes crucial, that jumps (break, 
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continue, return) are nested correctly i.e. a continue jump is nested in a
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matching while statement, a break jump is nested in a proper label statement,
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a class initialiser does not terminate abruptly with a return. With this we 
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can for example ensure that evaluation of an expression will never end up 
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with a jump, since no breaks, continues or returns are allowed in an 
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expression. *}
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consts jumpNestingOkS :: "jump set \<Rightarrow> stmt \<Rightarrow> bool"
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primrec
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"jumpNestingOkS jmps (Skip)   = True"
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"jumpNestingOkS jmps (Expr e) = True"
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"jumpNestingOkS jmps (j\<bullet> s) = jumpNestingOkS ({j} \<union> jmps) s"
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"jumpNestingOkS jmps (c1;;c2) = (jumpNestingOkS jmps c1 \<and> 
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                                 jumpNestingOkS jmps c2)"
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"jumpNestingOkS jmps (If(e) c1 Else c2) = (jumpNestingOkS jmps c1 \<and>  
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                                           jumpNestingOkS jmps c2)"
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"jumpNestingOkS jmps (l\<bullet> While(e) c) = jumpNestingOkS ({Cont l} \<union> jmps) c"
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--{* The label of the while loop only handles continue jumps. Breaks are only
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     handled by @{term Lab} *}
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"jumpNestingOkS jmps (Jmp j) = (j \<in> jmps)"
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"jumpNestingOkS jmps (Throw e) = True"
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"jumpNestingOkS jmps (Try c1 Catch(C vn) c2) = (jumpNestingOkS jmps c1 \<and> 
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                                                jumpNestingOkS jmps c2)"
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"jumpNestingOkS jmps (c1 Finally c2) = (jumpNestingOkS jmps c1 \<and> 
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                                        jumpNestingOkS jmps c2)"
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"jumpNestingOkS jmps (Init C) = True" 
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 --{* wellformedness of the program must enshure that for all initializers 
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      jumpNestingOkS {} holds *} 
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--{* Dummy analysis for intermediate smallstep term @{term  FinA} *}
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"jumpNestingOkS jmps (FinA a c) = False"
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constdefs jumpNestingOk :: "jump set \<Rightarrow> term \<Rightarrow> bool"
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"jumpNestingOk jmps t \<equiv> (case t of
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                      In1 se \<Rightarrow> (case se of
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                                   Inl e \<Rightarrow> True
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                                 | Inr s \<Rightarrow> jumpNestingOkS jmps s)
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                    | In2  v \<Rightarrow> True
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                    | In3  es \<Rightarrow> True)"
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lemma jumpNestingOk_expr_simp [simp]: "jumpNestingOk jmps (In1l e) = True"
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by (simp add: jumpNestingOk_def)
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lemma jumpNestingOk_expr_simp1 [simp]: "jumpNestingOk jmps \<langle>e::expr\<rangle> = True"
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by (simp add: inj_term_simps)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
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a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
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lemma jumpNestingOk_stmt_simp [simp]: 
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  "jumpNestingOk jmps (In1r s) = jumpNestingOkS jmps s"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
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by (simp add: jumpNestingOk_def)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
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a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
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lemma jumpNestingOk_stmt_simp1 [simp]: 
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   "jumpNestingOk jmps \<langle>s::stmt\<rangle> = jumpNestingOkS jmps s"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
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by (simp add: inj_term_simps)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
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lemma jumpNestingOk_var_simp [simp]: "jumpNestingOk jmps (In2 v) = True"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
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by (simp add: jumpNestingOk_def)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
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lemma jumpNestingOk_var_simp1 [simp]: "jumpNestingOk jmps \<langle>v::var\<rangle> = True"
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by (simp add: inj_term_simps)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
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lemma jumpNestingOk_expr_list_simp [simp]: "jumpNestingOk jmps (In3 es) = True"
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by (simp add: jumpNestingOk_def)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
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lemma jumpNestingOk_expr_list_simp1 [simp]: 
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  "jumpNestingOk jmps \<langle>es::expr list\<rangle> = True"
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by (simp add: inj_term_simps)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
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section {* Calculation of assigned variables for boolean expressions*}
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subsection {* Very restricted calculation fallback calculation *}
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consts the_LVar_name:: "var \<Rightarrow> lname"
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primrec 
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"the_LVar_name (LVar n) = n"
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consts assignsE :: "expr      \<Rightarrow> lname set" 
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       assignsV :: "var       \<Rightarrow> lname set"
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       assignsEs:: "expr list \<Rightarrow> lname set"
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text {* *}
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primrec
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"assignsE (NewC c)            = {}" 
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"assignsE (NewA t e)          = assignsE e"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
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"assignsE (Cast t e)          = assignsE e"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
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"assignsE (e InstOf r)        = assignsE e"
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"assignsE (Lit val)           = {}"
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"assignsE (UnOp unop e)       = assignsE e"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
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"assignsE (BinOp binop e1 e2) = (if binop=CondAnd \<or> binop=CondOr
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
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                                     then (assignsE e1)
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                                     else (assignsE e1) \<union> (assignsE e2))" 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
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"assignsE (Super)             = {}"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
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"assignsE (Acc v)             = assignsV v"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
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"assignsE (v:=e)              = (assignsV v) \<union> (assignsE e) \<union> 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
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                                 (if \<exists> n. v=(LVar n) then {the_LVar_name v} 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
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                                                     else {})"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
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"assignsE (b? e1 : e2) = (assignsE b) \<union> ((assignsE e1) \<inter> (assignsE e2))"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
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"assignsE ({accC,statT,mode}objRef\<cdot>mn({pTs}args)) 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
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                          = (assignsE objRef) \<union> (assignsEs args)"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
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-- {* Only dummy analysis for intermediate expressions  
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      @{term Methd}, @{term Body}, @{term InsInitE} and @{term Callee} *}
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
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"assignsE (Methd C sig)   = {}" 
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"assignsE (Body  C s)     = {}"   
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"assignsE (InsInitE s e)  = {}"  
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"assignsE (Callee l e)    = {}" 
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"assignsV (LVar n)       = {}"
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"assignsV ({accC,statDeclC,stat}objRef..fn) = assignsE objRef"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
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"assignsV (e1.[e2])      = assignsE e1 \<union> assignsE e2"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
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"assignsEs     [] = {}"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
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"assignsEs (e#es) = assignsE e \<union> assignsEs es"
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constdefs assigns:: "term \<Rightarrow> lname set"
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"assigns t \<equiv> (case t of
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                In1 se \<Rightarrow> (case se of
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                             Inl e \<Rightarrow> assignsE e
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                           | Inr s \<Rightarrow> {})
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              | In2  v \<Rightarrow> assignsV v
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              | In3  es \<Rightarrow> assignsEs es)"
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lemma assigns_expr_simp [simp]: "assigns (In1l e) = assignsE e"
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by (simp add: assigns_def)
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lemma assigns_expr_simp1 [simp]: "assigns (\<langle>e\<rangle>) = assignsE e"
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by (simp add: inj_term_simps)
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lemma assigns_stmt_simp [simp]: "assigns (In1r s) = {}"
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by (simp add: assigns_def)
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lemma assigns_stmt_simp1 [simp]: "assigns (\<langle>s::stmt\<rangle>) = {}"
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by (simp add: inj_term_simps)
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lemma assigns_var_simp [simp]: "assigns (In2 v) = assignsV v"
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by (simp add: assigns_def)
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lemma assigns_var_simp1 [simp]: "assigns (\<langle>v\<rangle>) = assignsV v"
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by (simp add: inj_term_simps)
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lemma assigns_expr_list_simp [simp]: "assigns (In3 es) = assignsEs es"
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by (simp add: assigns_def)
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lemma assigns_expr_list_simp1 [simp]: "assigns (\<langle>es\<rangle>) = assignsEs es"
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by (simp add: inj_term_simps)
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subsection "Analysis of constant expressions"
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consts constVal :: "expr \<Rightarrow> val option"
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primrec 
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"constVal (NewC c)      = None"
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"constVal (NewA t e)    = None"
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"constVal (Cast t e)    = None"
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"constVal (Inst e r)    = None"
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"constVal (Lit val)     = Some val"
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"constVal (UnOp unop e) = (case (constVal e) of
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                             None   \<Rightarrow> None
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                           | Some v \<Rightarrow> Some (eval_unop unop v))" 
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"constVal (BinOp binop e1 e2) = (case (constVal e1) of
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                                   None    \<Rightarrow> None
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                                 | Some v1 \<Rightarrow> (case (constVal e2) of 
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                                                None    \<Rightarrow> None
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                                              | Some v2 \<Rightarrow> Some (eval_binop 
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                                                                 binop v1 v2)))"
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"constVal (Super)         = None"
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"constVal (Acc v)         = None"
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"constVal (Ass v e)       = None"
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"constVal (Cond b e1 e2)  = (case (constVal b) of
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                               None   \<Rightarrow> None
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                             | Some bv\<Rightarrow> (case the_Bool bv of
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                                            True \<Rightarrow> (case (constVal e2) of
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                                                       None   \<Rightarrow> None
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                                                     | Some v \<Rightarrow> constVal e1)
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                                          | False\<Rightarrow> (case (constVal e1) of
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                                                       None   \<Rightarrow> None
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                                                     | Some v \<Rightarrow> constVal e2)))"
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--{* Note that @{text "constVal (Cond b e1 e2)"} is stricter as it could be.
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     It requires that all tree expressions are constant even if we can decide
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     which branch to choose, provided the constant value of @{term b} *}
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"constVal (Call accC statT mode objRef mn pTs args) = None"
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"constVal (Methd C sig)   = None" 
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"constVal (Body  C s)     = None"   
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"constVal (InsInitE s e)  = None"  
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"constVal (Callee l e)    = None" 
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lemma constVal_Some_induct [consumes 1, case_names Lit UnOp BinOp CondL CondR]: 
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  assumes const: "constVal e = Some v" and
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        hyp_Lit: "\<And> v. P (Lit v)" and
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       hyp_UnOp: "\<And> unop e'. P e' \<Longrightarrow> P (UnOp unop e')" and
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      hyp_BinOp: "\<And> binop e1 e2. \<lbrakk>P e1; P e2\<rbrakk> \<Longrightarrow> P (BinOp binop e1 e2)" and
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   235
      hyp_CondL: "\<And> b bv e1 e2. \<lbrakk>constVal b = Some bv; the_Bool bv; P b; P e1\<rbrakk> 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   236
                              \<Longrightarrow> P (b? e1 : e2)" and
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   237
      hyp_CondR: "\<And> b bv e1 e2. \<lbrakk>constVal b = Some bv; \<not>the_Bool bv; P b; P e2\<rbrakk>
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   238
                              \<Longrightarrow> P (b? e1 : e2)"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   239
  shows "P e"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   240
proof -
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   241
  have "True" and "\<And> v. constVal e = Some v \<Longrightarrow> P e" and "True" and "True"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   242
  proof (induct "x::var" and e and "s::stmt" and "es::expr list")
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   243
    case Lit
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   244
    show ?case by (rule hyp_Lit)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   245
  next
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   246
    case UnOp
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   247
    thus ?case
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   248
      by (auto intro: hyp_UnOp)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   249
  next
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   250
    case BinOp
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   251
    thus ?case
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   252
      by (auto intro: hyp_BinOp)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   253
  next
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   254
    case (Cond b e1 e2)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   255
    then obtain v where   v: "constVal (b ? e1 : e2) = Some v"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   256
      by blast
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   257
    then obtain bv where bv: "constVal b = Some bv"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   258
      by simp
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   259
    show ?case
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   260
    proof (cases "the_Bool bv")
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   261
      case True
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   262
      with Cond show ?thesis using v bv
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   263
	by (auto intro: hyp_CondL)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   264
    next
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   265
      case False
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   266
      with Cond show ?thesis using v bv
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   267
	by (auto intro: hyp_CondR)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   268
    qed
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   269
  qed (simp_all)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   270
  with const 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   271
  show ?thesis
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   272
    by blast  
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   273
qed
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   274
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   275
lemma assignsE_const_simp: "constVal e = Some v \<Longrightarrow> assignsE e = {}"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   276
  by (induct rule: constVal_Some_induct) simp_all
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   277
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   278
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   279
subsection {* Main analysis for boolean expressions *}
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   280
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   281
text {* Assigned local variables after evaluating the expression if it evaluates
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   282
to a specific boolean value. If the expression cannot evaluate to a 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   283
@{term Boolean} value UNIV is returned. If we expect true/false the opposite 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   284
constant false/true will also lead to UNIV. *}
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   285
consts assigns_if:: "bool \<Rightarrow> expr \<Rightarrow> lname set" 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   286
primrec
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   287
"assigns_if b (NewC c)            = UNIV" --{*can never evaluate to Boolean*} 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   288
"assigns_if b (NewA t e)          = UNIV" --{*can never evaluate to Boolean*}
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   289
"assigns_if b (Cast t e)          = assigns_if b e" 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   290
"assigns_if b (Inst e r)          = assignsE e" --{*Inst has type Boolean but
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   291
                                                     e is a reference type*}
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   292
"assigns_if b (Lit val)           = (if val=Bool b then {} else UNIV)"  
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   293
"assigns_if b (UnOp unop e)       = (case constVal (UnOp unop e) of
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   294
                                         None   \<Rightarrow> (if unop = UNot 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   295
                                                       then assigns_if (\<not>b) e
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   296
                                                       else UNIV)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   297
                                       | Some v \<Rightarrow> (if v=Bool b 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   298
                                                       then {} 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   299
                                                       else UNIV))"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   300
"assigns_if b (BinOp binop e1 e2) 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   301
  = (case constVal (BinOp binop e1 e2) of
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   302
       None \<Rightarrow> (if binop=CondAnd then
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   303
                   (case b of 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   304
                       True  \<Rightarrow> assigns_if True  e1 \<union> assigns_if True e2
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   305
                    |  False \<Rightarrow> assigns_if False e1 \<inter> 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   306
                                (assigns_if True e1 \<union> assigns_if False e2))
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   307
                else
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   308
               (if binop=CondOr then
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   309
                   (case b of 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   310
                       True  \<Rightarrow> assigns_if True e1 \<inter> 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   311
                                (assigns_if False e1 \<union> assigns_if True e2)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   312
                    |  False \<Rightarrow> assigns_if False  e1 \<union> assigns_if False e2)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   313
                else assignsE e1 \<union> assignsE e2))
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   314
     | Some v \<Rightarrow> (if v=Bool b then {} else UNIV))"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   315
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   316
"assigns_if b (Super)      = UNIV" --{*can never evaluate to Boolean*}
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   317
"assigns_if b (Acc v)      = (assignsV v)"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   318
"assigns_if b (v := e)     = (assignsE (Ass v e))"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   319
"assigns_if b (c? e1 : e2) = (assignsE c) \<union>
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   320
                               (case (constVal c) of
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   321
                                  None    \<Rightarrow> (assigns_if b e1) \<inter> 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   322
                                             (assigns_if b e2)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   323
                                | Some bv \<Rightarrow> (case the_Bool bv of
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   324
                                                True  \<Rightarrow> assigns_if b e1
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   325
                                              | False \<Rightarrow> assigns_if b e2))"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   326
"assigns_if b ({accC,statT,mode}objRef\<cdot>mn({pTs}args))  
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   327
          = assignsE ({accC,statT,mode}objRef\<cdot>mn({pTs}args)) "
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   328
-- {* Only dummy analysis for intermediate expressions  
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   329
      @{term Methd}, @{term Body}, @{term InsInitE} and @{term Callee} *}
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   330
"assigns_if b (Methd C sig)   = {}" 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   331
"assigns_if b (Body  C s)     = {}"   
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   332
"assigns_if b (InsInitE s e)  = {}"  
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   333
"assigns_if b (Callee l e)    = {}" 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   334
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   335
lemma assigns_if_const_b_simp:
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   336
  assumes boolConst: "constVal e = Some (Bool b)" (is "?Const b e")
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   337
  shows   "assigns_if b e = {}" (is "?Ass b e")
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   338
proof -
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   339
  have "True" and "\<And> b. ?Const b e \<Longrightarrow> ?Ass b e" and "True" and "True"
18459
2b102759160d mutual induct with *.inducts;
wenzelm
parents: 17876
diff changeset
   340
  proof (induct _ and e and _ and _ rule: var_expr_stmt.inducts)
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   341
    case Lit
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   342
    thus ?case by simp
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   343
  next
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   344
    case UnOp 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   345
    thus ?case by simp
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   346
  next 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   347
    case (BinOp binop)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   348
    thus ?case
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   349
      by (cases binop) (simp_all)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   350
  next
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   351
    case (Cond c e1 e2 b)
23350
50c5b0912a0c tuned proofs: avoid implicit prems;
wenzelm
parents: 21765
diff changeset
   352
    note hyp_c = `\<And> b. ?Const b c \<Longrightarrow> ?Ass b c`
50c5b0912a0c tuned proofs: avoid implicit prems;
wenzelm
parents: 21765
diff changeset
   353
    note hyp_e1 = `\<And> b. ?Const b e1 \<Longrightarrow> ?Ass b e1`
50c5b0912a0c tuned proofs: avoid implicit prems;
wenzelm
parents: 21765
diff changeset
   354
    note hyp_e2 = `\<And> b. ?Const b e2 \<Longrightarrow> ?Ass b e2`
50c5b0912a0c tuned proofs: avoid implicit prems;
wenzelm
parents: 21765
diff changeset
   355
    note const = `constVal (c ? e1 : e2) = Some (Bool b)`
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   356
    then obtain bv where bv: "constVal c = Some bv"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   357
      by simp
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   358
    hence emptyC: "assignsE c = {}" by (rule assignsE_const_simp)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   359
    show ?case
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   360
    proof (cases "the_Bool bv")
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   361
      case True
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   362
      with const bv  
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   363
      have "?Const b e1" by simp
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   364
      hence "?Ass b e1" by (rule hyp_e1)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   365
      with emptyC bv True
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   366
      show ?thesis
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   367
	by simp
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   368
    next
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   369
      case False
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   370
      with const bv  
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   371
      have "?Const b e2" by simp
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   372
      hence "?Ass b e2" by (rule hyp_e2)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   373
      with emptyC bv False
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   374
      show ?thesis
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   375
	by simp
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   376
    qed
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   377
  qed (simp_all)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   378
  with boolConst
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   379
  show ?thesis
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   380
    by blast
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   381
qed
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   382
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   383
lemma assigns_if_const_not_b_simp:
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   384
  assumes boolConst: "constVal e = Some (Bool b)"        (is "?Const b e")  
18459
2b102759160d mutual induct with *.inducts;
wenzelm
parents: 17876
diff changeset
   385
  shows "assigns_if (\<not>b) e = UNIV"                  (is "?Ass b e")
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   386
proof -
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   387
  have True and "\<And> b. ?Const b e \<Longrightarrow> ?Ass b e" and True and True
18459
2b102759160d mutual induct with *.inducts;
wenzelm
parents: 17876
diff changeset
   388
  proof (induct _ and e and _ and _ rule: var_expr_stmt.inducts) 
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   389
    case Lit
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   390
    thus ?case by simp
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   391
  next
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   392
    case UnOp 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   393
    thus ?case by simp
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   394
  next 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   395
    case (BinOp binop)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   396
    thus ?case
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   397
      by (cases binop) (simp_all)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   398
  next
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   399
    case (Cond c e1 e2 b)
23350
50c5b0912a0c tuned proofs: avoid implicit prems;
wenzelm
parents: 21765
diff changeset
   400
    note hyp_c = `\<And> b. ?Const b c \<Longrightarrow> ?Ass b c`
50c5b0912a0c tuned proofs: avoid implicit prems;
wenzelm
parents: 21765
diff changeset
   401
    note hyp_e1 = `\<And> b. ?Const b e1 \<Longrightarrow> ?Ass b e1`
50c5b0912a0c tuned proofs: avoid implicit prems;
wenzelm
parents: 21765
diff changeset
   402
    note hyp_e2 = `\<And> b. ?Const b e2 \<Longrightarrow> ?Ass b e2`
50c5b0912a0c tuned proofs: avoid implicit prems;
wenzelm
parents: 21765
diff changeset
   403
    note const = `constVal (c ? e1 : e2) = Some (Bool b)`
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   404
    then obtain bv where bv: "constVal c = Some bv"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   405
      by simp
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   406
    show ?case
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   407
    proof (cases "the_Bool bv")
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   408
      case True
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   409
      with const bv  
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   410
      have "?Const b e1" by simp
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   411
      hence "?Ass b e1" by (rule hyp_e1)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   412
      with bv True
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   413
      show ?thesis
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   414
	by simp
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   415
    next
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   416
      case False
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   417
      with const bv  
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   418
      have "?Const b e2" by simp
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   419
      hence "?Ass b e2" by (rule hyp_e2)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   420
      with bv False 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   421
      show ?thesis
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   422
	by simp
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   423
    qed
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   424
  qed (simp_all)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   425
  with boolConst
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   426
  show ?thesis
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   427
    by blast
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   428
qed
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   429
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   430
subsection {* Lifting set operations to range of tables (map to a set) *}
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   431
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   432
constdefs 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   433
 union_ts:: "('a,'b) tables \<Rightarrow> ('a,'b) tables \<Rightarrow> ('a,'b) tables"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   434
                    ("_ \<Rightarrow>\<union> _" [67,67] 65)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   435
 "A \<Rightarrow>\<union> B \<equiv> \<lambda> k. A k \<union> B k"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   436
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   437
constdefs
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   438
 intersect_ts:: "('a,'b) tables \<Rightarrow> ('a,'b) tables \<Rightarrow> ('a,'b) tables"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   439
                    ("_ \<Rightarrow>\<inter>  _" [72,72] 71)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   440
 "A \<Rightarrow>\<inter>  B \<equiv> \<lambda> k. A k \<inter> B k"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   441
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   442
constdefs
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   443
 all_union_ts:: "('a,'b) tables \<Rightarrow> 'b set \<Rightarrow> ('a,'b) tables" 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   444
                                                     (infixl "\<Rightarrow>\<union>\<^sub>\<forall>" 40)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   445
"A \<Rightarrow>\<union>\<^sub>\<forall> B \<equiv> \<lambda> k. A k \<union> B"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   446
  
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   447
subsubsection {* Binary union of tables *}
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   448
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   449
lemma union_ts_iff [simp]: "(c \<in> (A \<Rightarrow>\<union> B) k) = (c \<in> A k \<or>  c \<in> B k)"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   450
  by (unfold union_ts_def) blast
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   451
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   452
lemma union_tsI1 [elim?]: "c \<in> A k \<Longrightarrow> c \<in> (A \<Rightarrow>\<union> B) k"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   453
  by simp
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   454
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   455
lemma union_tsI2 [elim?]: "c \<in> B k \<Longrightarrow> c \<in> (A \<Rightarrow>\<union> B) k"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   456
  by simp
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   457
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   458
lemma union_tsCI [intro!]: "(c \<notin> B k \<Longrightarrow> c \<in> A k) \<Longrightarrow> c \<in> (A \<Rightarrow>\<union> B) k"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   459
  by auto
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   460
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   461
lemma union_tsE [elim!]: 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   462
 "\<lbrakk>c \<in> (A \<Rightarrow>\<union> B) k; (c \<in> A k \<Longrightarrow> P); (c \<in> B k \<Longrightarrow> P)\<rbrakk> \<Longrightarrow> P"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   463
  by (unfold union_ts_def) blast
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   464
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   465
subsubsection {* Binary intersection of tables *}
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   466
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   467
lemma intersect_ts_iff [simp]: "c \<in> (A \<Rightarrow>\<inter> B) k = (c \<in> A k \<and> c \<in> B k)"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   468
  by (unfold intersect_ts_def) blast
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   469
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   470
lemma intersect_tsI [intro!]: "\<lbrakk>c \<in> A k; c \<in> B k\<rbrakk> \<Longrightarrow> c \<in>  (A \<Rightarrow>\<inter> B) k"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   471
  by simp
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   472
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   473
lemma intersect_tsD1: "c \<in> (A \<Rightarrow>\<inter> B) k \<Longrightarrow> c \<in> A k"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   474
  by simp
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   475
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   476
lemma intersect_tsD2: "c \<in> (A \<Rightarrow>\<inter> B) k \<Longrightarrow> c \<in> B k"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   477
  by simp
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   478
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   479
lemma intersect_tsE [elim!]: 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   480
   "\<lbrakk>c \<in> (A \<Rightarrow>\<inter> B) k; \<lbrakk>c \<in> A k; c \<in> B k\<rbrakk> \<Longrightarrow> P\<rbrakk> \<Longrightarrow> P"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   481
  by simp
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   482
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   483
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   484
subsubsection {* All-Union of tables and set *}
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   485
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   486
lemma all_union_ts_iff [simp]: "(c \<in> (A \<Rightarrow>\<union>\<^sub>\<forall> B) k) = (c \<in> A k \<or>  c \<in> B)"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   487
  by (unfold all_union_ts_def) blast
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   488
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   489
lemma all_union_tsI1 [elim?]: "c \<in> A k \<Longrightarrow> c \<in> (A \<Rightarrow>\<union>\<^sub>\<forall> B) k"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   490
  by simp
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   491
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   492
lemma all_union_tsI2 [elim?]: "c \<in> B \<Longrightarrow> c \<in> (A \<Rightarrow>\<union>\<^sub>\<forall> B) k"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   493
  by simp
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   494
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   495
lemma all_union_tsCI [intro!]: "(c \<notin> B \<Longrightarrow> c \<in> A k) \<Longrightarrow> c \<in> (A \<Rightarrow>\<union>\<^sub>\<forall> B) k"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   496
  by auto
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   497
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   498
lemma all_union_tsE [elim!]: 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   499
 "\<lbrakk>c \<in> (A \<Rightarrow>\<union>\<^sub>\<forall> B) k; (c \<in> A k \<Longrightarrow> P); (c \<in> B \<Longrightarrow> P)\<rbrakk> \<Longrightarrow> P"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   500
  by (unfold all_union_ts_def) blast
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   501
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   502
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   503
section "The rules of definite assignment"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   504
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   505
 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   506
types breakass = "(label, lname) tables" 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   507
--{* Mapping from a break label, to the set of variables that will be assigned 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   508
     if the evaluation terminates with this break *}
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   509
    
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   510
record assigned = 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   511
         nrm :: "lname set" --{* Definetly assigned variables 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   512
                                 for normal completion*}
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   513
         brk :: "breakass" --{* Definetly assigned variables for 
14030
cd928c0ac225 Adapted to changes in Map.thy
schirmer
parents: 13688
diff changeset
   514
                                abrupt completion with a break *}
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   515
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   516
constdefs rmlab :: "'a \<Rightarrow> ('a,'b) tables \<Rightarrow> ('a,'b) tables"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   517
"rmlab k A \<equiv> \<lambda> x. if x=k then UNIV else A x"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   518
 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   519
(*
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   520
constdefs setbrk :: "breakass \<Rightarrow> assigned \<Rightarrow> breakass set"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   521
"setbrk b A \<equiv> {b} \<union> {a| a. a\<in> brk A \<and> lab a \<noteq> lab b}"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   522
*)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   523
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   524
constdefs range_inter_ts :: "('a,'b) tables \<Rightarrow> 'b set" ("\<Rightarrow>\<Inter>_" 80)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   525
 "\<Rightarrow>\<Inter>A \<equiv> {x |x. \<forall> k. x \<in> A k}"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   526
21765
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   527
text {*
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   528
In @{text "E\<turnstile> B \<guillemotright>t\<guillemotright> A"},
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   529
@{text B} denotes the ''assigned'' variables before evaluating term @{text t},
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   530
whereas @{text A} denotes the ''assigned'' variables after evaluating term @{text t}.
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   531
The environment @{term E} is only needed for the conditional @{text "_ ? _ : _"}.
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   532
The definite assignment rules refer to the typing rules here to
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   533
distinguish boolean and other expressions.
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   534
*}
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   535
21765
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   536
inductive2
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   537
  da :: "env \<Rightarrow> lname set \<Rightarrow> term \<Rightarrow> assigned \<Rightarrow> bool" ("_\<turnstile> _ \<guillemotright>_\<guillemotright> _" [65,65,65,65] 71)
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   538
where
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   539
  Skip: "Env\<turnstile> B \<guillemotright>\<langle>Skip\<rangle>\<guillemotright> \<lparr>nrm=B,brk=\<lambda> l. UNIV\<rparr>"
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   540
21765
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   541
| Expr: "Env\<turnstile> B \<guillemotright>\<langle>e\<rangle>\<guillemotright> A 
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   542
         \<Longrightarrow>  
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   543
         Env\<turnstile> B \<guillemotright>\<langle>Expr e\<rangle>\<guillemotright> A"
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   544
| Lab:  "\<lbrakk>Env\<turnstile> B \<guillemotright>\<langle>c\<rangle>\<guillemotright> C; nrm A = nrm C \<inter> (brk C) l; brk A = rmlab l (brk C)\<rbrakk>
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   545
         \<Longrightarrow> 
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   546
         Env\<turnstile> B \<guillemotright>\<langle>Break l\<bullet> c\<rangle>\<guillemotright> A" 
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   547
21765
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   548
| Comp: "\<lbrakk>Env\<turnstile> B \<guillemotright>\<langle>c1\<rangle>\<guillemotright> C1; Env\<turnstile> nrm C1 \<guillemotright>\<langle>c2\<rangle>\<guillemotright> C2; 
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   549
         nrm A = nrm C2; brk A = (brk C1) \<Rightarrow>\<inter> (brk C2)\<rbrakk> 
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   550
         \<Longrightarrow>  
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   551
         Env\<turnstile> B \<guillemotright>\<langle>c1;; c2\<rangle>\<guillemotright> A"
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   552
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   553
| If:   "\<lbrakk>Env\<turnstile> B \<guillemotright>\<langle>e\<rangle>\<guillemotright> E;
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   554
          Env\<turnstile> (B \<union> assigns_if True  e) \<guillemotright>\<langle>c1\<rangle>\<guillemotright> C1;
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   555
          Env\<turnstile> (B \<union> assigns_if False e) \<guillemotright>\<langle>c2\<rangle>\<guillemotright> C2;
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   556
          nrm A = nrm C1 \<inter> nrm C2;
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   557
          brk A = brk C1 \<Rightarrow>\<inter> brk C2 \<rbrakk>  
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   558
          \<Longrightarrow>
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   559
          Env\<turnstile> B \<guillemotright>\<langle>If(e) c1 Else c2\<rangle>\<guillemotright> A"
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   560
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   561
--{* Note that @{term E} is not further used, because we take the specialized
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   562
     sets that also consider if the expression evaluates to true or false. 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   563
     Inside of @{term e} there is no {\tt break} or {\tt finally}, so the break
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   564
     map of @{term E} will be the trivial one. So 
21765
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   565
     @{term "Env\<turnstile>B \<guillemotright>\<langle>e\<rangle>\<guillemotright> E"} is just used to ensure the definite assignment in
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   566
     expression @{term e}.
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   567
     Notice the implicit analysis of a constant boolean expression @{term e}
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   568
     in this rule. For example, if @{term e} is constantly @{term True} then 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   569
     @{term "assigns_if False e = UNIV"} and therefor @{term "nrm C2=UNIV"}.
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   570
     So finally @{term "nrm A = nrm C1"}. For the break maps this trick 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   571
     workd too, because the trival break map will map all labels to 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   572
     @{term UNIV}. In the example, if no break occurs in @{term c2} the break
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   573
     maps will trivially map to @{term UNIV} and if a break occurs it will map
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   574
     to @{term UNIV} too, because @{term "assigns_if False e = UNIV"}. So
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   575
     in the intersection of the break maps the path @{term c2} will have no
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   576
     contribution.
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   577
  *}
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   578
21765
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   579
| Loop: "\<lbrakk>Env\<turnstile> B \<guillemotright>\<langle>e\<rangle>\<guillemotright> E; 
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   580
          Env\<turnstile> (B \<union> assigns_if True e) \<guillemotright>\<langle>c\<rangle>\<guillemotright> C;
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   581
          nrm A = nrm C \<inter> (B \<union> assigns_if False e);
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   582
          brk A = brk C\<rbrakk>  
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   583
          \<Longrightarrow>
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   584
          Env\<turnstile> B \<guillemotright>\<langle>l\<bullet> While(e) c\<rangle>\<guillemotright> A"
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   585
--{* The @{text Loop} rule resembles some of the ideas of the @{text If} rule.
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   586
     For the @{term "nrm A"} the set @{term "B \<union> assigns_if False e"} 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   587
     will be @{term UNIV} if the condition is constantly true. To normally exit
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   588
     the while loop, we must consider the body @{term c} to be completed 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   589
     normally (@{term "nrm C"}) or with a break. But in this model, 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   590
     the label @{term l} of the loop
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   591
     only handles continue labels, not break labels. The break label will be
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   592
     handled by an enclosing @{term Lab} statement. So we don't have to
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   593
     handle the breaks specially. 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   594
  *}
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   595
21765
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   596
| Jmp: "\<lbrakk>jump=Ret \<longrightarrow> Result \<in> B;
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   597
         nrm A = UNIV;
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   598
         brk A = (case jump of
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   599
                    Break l \<Rightarrow> \<lambda> k. if k=l then B else UNIV     
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   600
                  | Cont l  \<Rightarrow> \<lambda> k. UNIV
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   601
                  | Ret     \<Rightarrow> \<lambda> k. UNIV)\<rbrakk> 
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   602
        \<Longrightarrow> 
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   603
        Env\<turnstile> B \<guillemotright>\<langle>Jmp jump\<rangle>\<guillemotright> A"
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   604
--{* In case of a break to label @{term l} the corresponding break set is all
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   605
     variables assigned before the break. The assigned variables for normal
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   606
     completion of the @{term Jmp} is @{term UNIV}, because the statement will
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   607
     never complete normally. For continue and return the break map is the 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   608
     trivial one. In case of a return we enshure that the result value is
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   609
     assigned.
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   610
  *}
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   611
21765
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   612
| Throw: "\<lbrakk>Env\<turnstile> B \<guillemotright>\<langle>e\<rangle>\<guillemotright> E; nrm A = UNIV; brk A = (\<lambda> l. UNIV)\<rbrakk> 
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   613
         \<Longrightarrow> Env\<turnstile> B \<guillemotright>\<langle>Throw e\<rangle>\<guillemotright> A"
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   614
21765
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   615
| Try:  "\<lbrakk>Env\<turnstile> B \<guillemotright>\<langle>c1\<rangle>\<guillemotright> C1; 
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   616
          Env\<lparr>lcl := lcl Env(VName vn\<mapsto>Class C)\<rparr>\<turnstile> (B \<union> {VName vn}) \<guillemotright>\<langle>c2\<rangle>\<guillemotright> C2;  
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   617
          nrm A = nrm C1 \<inter> nrm C2;
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   618
          brk A = brk C1 \<Rightarrow>\<inter> brk C2\<rbrakk> 
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   619
         \<Longrightarrow> Env\<turnstile> B \<guillemotright>\<langle>Try c1 Catch(C vn) c2\<rangle>\<guillemotright> A"
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   620
21765
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   621
| Fin:  "\<lbrakk>Env\<turnstile> B \<guillemotright>\<langle>c1\<rangle>\<guillemotright> C1;
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   622
          Env\<turnstile> B \<guillemotright>\<langle>c2\<rangle>\<guillemotright> C2;
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   623
          nrm A = nrm C1 \<union> nrm C2;
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   624
          brk A = ((brk C1) \<Rightarrow>\<union>\<^sub>\<forall> (nrm C2)) \<Rightarrow>\<inter> (brk C2)\<rbrakk>  
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   625
          \<Longrightarrow>
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   626
          Env\<turnstile> B \<guillemotright>\<langle>c1 Finally c2\<rangle>\<guillemotright> A" 
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   627
--{* The set of assigned variables before execution @{term c2} are the same
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   628
     as before execution @{term c1}, because @{term c1} could throw an exception
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   629
     and so we can't guarantee that any variable will be assigned in @{term c1}.
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   630
     The @{text Finally} statement completes
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   631
     normally if both @{term c1} and @{term c2} complete normally. If @{term c1}
14030
cd928c0ac225 Adapted to changes in Map.thy
schirmer
parents: 13688
diff changeset
   632
     completes abruptly with a break, then @{term c2} also will be executed 
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   633
     and may terminate normally or with a break. The overall break map then is
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   634
     the intersection of the maps of both paths. If @{term c2} terminates 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   635
     normally we have to extend all break sets in @{term "brk C1"} with 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   636
     @{term "nrm C2"} (@{text "\<Rightarrow>\<union>\<^sub>\<forall>"}). If @{term c2} exits with a break this
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   637
     break will appear in the overall result state. We don't know if 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   638
     @{term c1} completed normally or abruptly (maybe with an exception not only
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   639
     a break) so @{term c1} has no contribution to the break map following this
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   640
     path.
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   641
  *}
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   642
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   643
--{* Evaluation of expressions and the break sets of definite assignment:
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   644
     Thinking of a Java expression we assume that we can never have
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   645
     a break statement inside of a expression. So for all expressions the
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   646
     break sets could be set to the trivial one: @{term "\<lambda> l. UNIV"}. 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   647
     But we can't
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   648
     trivially proof, that evaluating an expression will never result in a 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   649
     break, allthough Java expressions allready syntactically don't allow
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   650
     nested stetements in them. The reason are the nested class initialzation 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   651
     statements which are inserted by the evaluation rules. So to proof the
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   652
     absence of a break we need to ensure, that the initialization statements
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   653
     will never end up in a break. In a wellfromed initialization statement, 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   654
     of course, were breaks are nested correctly inside of @{term Lab} 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   655
     or @{term Loop} statements evaluation of the whole initialization 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   656
     statement will never result in a break, because this break will be 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   657
     handled inside of the statement. But for simplicity we haven't added
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   658
     the analysis of the correct nesting of breaks in the typing judgments 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   659
     right now. So we have decided to adjust the rules of definite assignment
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   660
     to fit to these circumstances. If an initialization is involved during
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   661
     evaluation of the expression (evaluation rules @{text FVar}, @{text NewC} 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   662
     and @{text NewA}
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   663
*}
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   664
21765
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   665
| Init: "Env\<turnstile> B \<guillemotright>\<langle>Init C\<rangle>\<guillemotright> \<lparr>nrm=B,brk=\<lambda> l. UNIV\<rparr>"
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   666
--{* Wellformedness of a program will ensure, that every static initialiser 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   667
     is definetly assigned and the jumps are nested correctly. The case here
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   668
     for @{term Init} is just for convenience, to get a proper precondition 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   669
     for the induction hypothesis in various proofs, so that we don't have to
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   670
     expand the initialisation on every point where it is triggerred by the
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   671
     evaluation rules.
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   672
  *}   
21765
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   673
| NewC: "Env\<turnstile> B \<guillemotright>\<langle>NewC C\<rangle>\<guillemotright> \<lparr>nrm=B,brk=\<lambda> l. UNIV\<rparr>" 
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   674
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   675
| NewA: "Env\<turnstile> B \<guillemotright>\<langle>e\<rangle>\<guillemotright> A 
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   676
         \<Longrightarrow>
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   677
         Env\<turnstile> B \<guillemotright>\<langle>New T[e]\<rangle>\<guillemotright> A"
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   678
21765
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   679
| Cast: "Env\<turnstile> B \<guillemotright>\<langle>e\<rangle>\<guillemotright> A
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   680
         \<Longrightarrow>
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   681
         Env\<turnstile> B \<guillemotright>\<langle>Cast T e\<rangle>\<guillemotright> A"
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   682
21765
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   683
| Inst: "Env\<turnstile> B \<guillemotright>\<langle>e\<rangle>\<guillemotright> A 
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   684
         \<Longrightarrow> 
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   685
         Env\<turnstile> B \<guillemotright>\<langle>e InstOf T\<rangle>\<guillemotright> A"
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   686
21765
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   687
| Lit:  "Env\<turnstile> B \<guillemotright>\<langle>Lit v\<rangle>\<guillemotright> \<lparr>nrm=B,brk=\<lambda> l. UNIV\<rparr>"
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   688
21765
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   689
| UnOp: "Env\<turnstile> B \<guillemotright>\<langle>e\<rangle>\<guillemotright> A
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   690
         \<Longrightarrow> 
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   691
         Env\<turnstile> B \<guillemotright>\<langle>UnOp unop e\<rangle>\<guillemotright> A"
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   692
21765
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   693
| CondAnd: "\<lbrakk>Env\<turnstile> B \<guillemotright>\<langle>e1\<rangle>\<guillemotright> E1; Env\<turnstile> (B \<union> assigns_if True e1) \<guillemotright>\<langle>e2\<rangle>\<guillemotright> E2; 
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   694
             nrm A = B \<union> (assigns_if True (BinOp CondAnd e1 e2) \<inter> 
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   695
                             assigns_if False (BinOp CondAnd e1 e2));
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   696
             brk A = (\<lambda> l. UNIV) \<rbrakk>
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   697
            \<Longrightarrow>
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   698
            Env\<turnstile> B \<guillemotright>\<langle>BinOp CondAnd e1 e2\<rangle>\<guillemotright> A"
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   699
21765
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   700
| CondOr: "\<lbrakk>Env\<turnstile> B \<guillemotright>\<langle>e1\<rangle>\<guillemotright> E1; Env\<turnstile> (B \<union> assigns_if False e1) \<guillemotright>\<langle>e2\<rangle>\<guillemotright> E2; 
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   701
            nrm A = B \<union> (assigns_if True (BinOp CondOr e1 e2) \<inter> 
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   702
                              assigns_if False (BinOp CondOr e1 e2));
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   703
            brk A = (\<lambda> l. UNIV) \<rbrakk>
21765
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   704
            \<Longrightarrow>
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   705
            Env\<turnstile> B \<guillemotright>\<langle>BinOp CondOr e1 e2\<rangle>\<guillemotright> A"
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   706
21765
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   707
| BinOp: "\<lbrakk>Env\<turnstile> B \<guillemotright>\<langle>e1\<rangle>\<guillemotright> E1; Env\<turnstile> nrm E1 \<guillemotright>\<langle>e2\<rangle>\<guillemotright> A; 
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   708
           binop \<noteq> CondAnd; binop \<noteq> CondOr\<rbrakk>
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   709
          \<Longrightarrow>
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   710
          Env\<turnstile> B \<guillemotright>\<langle>BinOp binop e1 e2\<rangle>\<guillemotright> A"
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   711
21765
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   712
| Super: "This \<in> B 
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   713
          \<Longrightarrow> 
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   714
          Env\<turnstile> B \<guillemotright>\<langle>Super\<rangle>\<guillemotright> \<lparr>nrm=B,brk=\<lambda> l. UNIV\<rparr>"
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   715
21765
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   716
| AccLVar: "\<lbrakk>vn \<in> B;
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   717
             nrm A = B; brk A = (\<lambda> k. UNIV)\<rbrakk> 
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   718
             \<Longrightarrow> 
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   719
             Env\<turnstile> B \<guillemotright>\<langle>Acc (LVar vn)\<rangle>\<guillemotright> A"
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   720
--{* To properly access a local variable we have to test the definite 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   721
     assignment here. The variable must occur in the set @{term B} 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   722
  *}
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   723
21765
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   724
| Acc: "\<lbrakk>\<forall> vn. v \<noteq> LVar vn;
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   725
         Env\<turnstile> B \<guillemotright>\<langle>v\<rangle>\<guillemotright> A\<rbrakk>
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   726
         \<Longrightarrow>
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   727
         Env\<turnstile> B \<guillemotright>\<langle>Acc v\<rangle>\<guillemotright> A"
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   728
21765
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   729
| AssLVar: "\<lbrakk>Env\<turnstile> B \<guillemotright>\<langle>e\<rangle>\<guillemotright> E; nrm A = nrm E \<union> {vn}; brk A = brk E\<rbrakk> 
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   730
            \<Longrightarrow> 
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   731
            Env\<turnstile> B \<guillemotright>\<langle>(LVar vn) := e\<rangle>\<guillemotright> A"
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   732
21765
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   733
| Ass: "\<lbrakk>\<forall> vn. v \<noteq> LVar vn; Env\<turnstile> B \<guillemotright>\<langle>v\<rangle>\<guillemotright> V; Env\<turnstile> nrm V \<guillemotright>\<langle>e\<rangle>\<guillemotright> A\<rbrakk>
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   734
         \<Longrightarrow>
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   735
         Env\<turnstile> B \<guillemotright>\<langle>v := e\<rangle>\<guillemotright> A"
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   736
21765
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   737
| CondBool: "\<lbrakk>Env\<turnstile>(c ? e1 : e2)\<Colon>-(PrimT Boolean);
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   738
              Env\<turnstile> B \<guillemotright>\<langle>c\<rangle>\<guillemotright> C;
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   739
              Env\<turnstile> (B \<union> assigns_if True  c) \<guillemotright>\<langle>e1\<rangle>\<guillemotright> E1;
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   740
              Env\<turnstile> (B \<union> assigns_if False c) \<guillemotright>\<langle>e2\<rangle>\<guillemotright> E2;
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   741
              nrm A = B \<union> (assigns_if True  (c ? e1 : e2) \<inter> 
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   742
                               assigns_if False (c ? e1 : e2));
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   743
              brk A = (\<lambda> l. UNIV)\<rbrakk>
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   744
              \<Longrightarrow> 
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   745
              Env\<turnstile> B \<guillemotright>\<langle>c ? e1 : e2\<rangle>\<guillemotright> A" 
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   746
21765
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   747
| Cond: "\<lbrakk>\<not> Env\<turnstile>(c ? e1 : e2)\<Colon>-(PrimT Boolean);
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   748
          Env\<turnstile> B \<guillemotright>\<langle>c\<rangle>\<guillemotright> C;
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   749
          Env\<turnstile> (B \<union> assigns_if True  c) \<guillemotright>\<langle>e1\<rangle>\<guillemotright> E1;
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   750
          Env\<turnstile> (B \<union> assigns_if False c) \<guillemotright>\<langle>e2\<rangle>\<guillemotright> E2;
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   751
          nrm A = nrm E1 \<inter> nrm E2; brk A = (\<lambda> l. UNIV)\<rbrakk>
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   752
          \<Longrightarrow> 
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   753
          Env\<turnstile> B \<guillemotright>\<langle>c ? e1 : e2\<rangle>\<guillemotright> A" 
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   754
21765
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   755
| Call: "\<lbrakk>Env\<turnstile> B \<guillemotright>\<langle>e\<rangle>\<guillemotright> E; Env\<turnstile> nrm E \<guillemotright>\<langle>args\<rangle>\<guillemotright> A\<rbrakk> 
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   756
         \<Longrightarrow>  
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   757
         Env\<turnstile> B \<guillemotright>\<langle>{accC,statT,mode}e\<cdot>mn({pTs}args)\<rangle>\<guillemotright> A"
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   758
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   759
-- {* The interplay of @{term Call}, @{term Methd} and @{term Body}:
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   760
      Why rules for @{term Methd} and @{term Body} at all? Note that a
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   761
      Java source program will not include bare  @{term Methd} or @{term Body}
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   762
      terms. These terms are just introduced during evaluation. So definite
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   763
      assignment of @{term Call} does not consider @{term Methd} or 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   764
      @{term Body} at all. So for definite assignment alone we could omit the
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   765
      rules for @{term Methd} and @{term Body}. 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   766
      But since evaluation of the method invocation is
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   767
      split up into three rules we must ensure that we have enough information
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   768
      about the call even in the @{term Body} term to make sure that we can
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   769
      proof type safety. Also we must be able transport this information 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   770
      from @{term Call} to @{term Methd} and then further to @{term Body} 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   771
      during evaluation to establish the definite assignment of @{term Methd}
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   772
      during evaluation of @{term Call}, and of @{term Body} during evaluation
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   773
      of @{term Methd}. This is necessary since definite assignment will be
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   774
      a precondition for each induction hypothesis coming out of the evaluation
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   775
      rules, and therefor we have to establish the definite assignment of the
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   776
      sub-evaluation during the type-safety proof. Note that well-typedness is
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   777
      also a precondition for type-safety and so we can omit some assertion 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   778
      that are already ensured by well-typedness. 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   779
   *}
21765
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   780
| Methd: "\<lbrakk>methd (prg Env) D sig = Some m;
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   781
           Env\<turnstile> B \<guillemotright>\<langle>Body (declclass m) (stmt (mbody (mthd m)))\<rangle>\<guillemotright> A
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   782
          \<rbrakk>
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   783
          \<Longrightarrow>
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   784
          Env\<turnstile> B \<guillemotright>\<langle>Methd D sig\<rangle>\<guillemotright> A" 
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   785
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   786
| Body: "\<lbrakk>Env\<turnstile> B \<guillemotright>\<langle>c\<rangle>\<guillemotright> C; jumpNestingOkS {Ret} c; Result \<in> nrm C;
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   787
          nrm A = B; brk A = (\<lambda> l. UNIV)\<rbrakk>
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   788
         \<Longrightarrow>
21765
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   789
         Env\<turnstile> B \<guillemotright>\<langle>Body D c\<rangle>\<guillemotright> A"
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   790
-- {* Note that @{term A} is not correlated to  @{term C}. If the body
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   791
      statement returns abruptly with return, evaluation of  @{term Body}
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   792
      will absorb this return and complete normally. So we cannot trivially
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   793
      get the assigned variables of the body statement since it has not 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   794
      completed normally or with a break.
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   795
      If the body completes normally we guarantee that the result variable
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   796
      is set with this rule. But if the body completes abruptly with a return
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   797
      we can't guarantee that the result variable is set here, since 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   798
      definite assignment only talks about normal completion and breaks. So
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   799
      for a return the @{term Jump} rule ensures that the result variable is
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   800
      set and then this information must be carried over to the @{term Body}
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   801
      rule by the conformance predicate of the state.
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   802
   *}
21765
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   803
| LVar: "Env\<turnstile> B \<guillemotright>\<langle>LVar vn\<rangle>\<guillemotright> \<lparr>nrm=B, brk=\<lambda> l. UNIV\<rparr>" 
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   804
21765
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   805
| FVar: "Env\<turnstile> B \<guillemotright>\<langle>e\<rangle>\<guillemotright> A 
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   806
         \<Longrightarrow> 
21765
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   807
         Env\<turnstile> B \<guillemotright>\<langle>{accC,statDeclC,stat}e..fn\<rangle>\<guillemotright> A" 
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   808
21765
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   809
| AVar: "\<lbrakk>Env\<turnstile> B \<guillemotright>\<langle>e1\<rangle>\<guillemotright> E1; Env\<turnstile> nrm E1 \<guillemotright>\<langle>e2\<rangle>\<guillemotright> A\<rbrakk>
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   810
          \<Longrightarrow> 
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   811
          Env\<turnstile> B \<guillemotright>\<langle>e1.[e2]\<rangle>\<guillemotright> A" 
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   812
21765
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   813
| Nil: "Env\<turnstile> B \<guillemotright>\<langle>[]::expr list\<rangle>\<guillemotright> \<lparr>nrm=B, brk=\<lambda> l. UNIV\<rparr>" 
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   814
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   815
| Cons: "\<lbrakk>Env\<turnstile> B \<guillemotright>\<langle>e::expr\<rangle>\<guillemotright> E; Env\<turnstile> nrm E \<guillemotright>\<langle>es\<rangle>\<guillemotright> A\<rbrakk>
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   816
         \<Longrightarrow> 
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   817
         Env\<turnstile> B \<guillemotright>\<langle>e#es\<rangle>\<guillemotright> A" 
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   818
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   819
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   820
declare inj_term_sym_simps [simp]
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   821
declare assigns_if.simps [simp del]
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   822
declare split_paired_All [simp del] split_paired_Ex [simp del]
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   823
ML_setup {*
17876
b9c92f384109 change_claset/simpset;
wenzelm
parents: 17589
diff changeset
   824
change_simpset (fn ss => ss delloop "split_all_tac");
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   825
*}
21765
89275a3ed7be Adapted to new inductive definition package.
berghofe
parents: 18459
diff changeset
   826
inductive_cases2 da_elim_cases [cases set]:
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   827
  "Env\<turnstile> B \<guillemotright>\<langle>Skip\<rangle>\<guillemotright> A" 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   828
  "Env\<turnstile> B \<guillemotright>In1r Skip\<guillemotright> A" 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   829
  "Env\<turnstile> B \<guillemotright>\<langle>Expr e\<rangle>\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   830
  "Env\<turnstile> B \<guillemotright>In1r (Expr e)\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   831
  "Env\<turnstile> B \<guillemotright>\<langle>l\<bullet> c\<rangle>\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   832
  "Env\<turnstile> B \<guillemotright>In1r (l\<bullet> c)\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   833
  "Env\<turnstile> B \<guillemotright>\<langle>c1;; c2\<rangle>\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   834
  "Env\<turnstile> B \<guillemotright>In1r (c1;; c2)\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   835
  "Env\<turnstile> B \<guillemotright>\<langle>If(e) c1 Else c2\<rangle>\<guillemotright> A" 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   836
  "Env\<turnstile> B \<guillemotright>In1r (If(e) c1 Else c2)\<guillemotright> A" 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   837
  "Env\<turnstile> B \<guillemotright>\<langle>l\<bullet> While(e) c\<rangle>\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   838
  "Env\<turnstile> B \<guillemotright>In1r (l\<bullet> While(e) c)\<guillemotright> A"  
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   839
  "Env\<turnstile> B \<guillemotright>\<langle>Jmp jump\<rangle>\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   840
  "Env\<turnstile> B \<guillemotright>In1r (Jmp jump)\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   841
  "Env\<turnstile> B \<guillemotright>\<langle>Throw e\<rangle>\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   842
  "Env\<turnstile> B \<guillemotright>In1r (Throw e)\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   843
  "Env\<turnstile> B \<guillemotright>\<langle>Try c1 Catch(C vn) c2\<rangle>\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   844
  "Env\<turnstile> B \<guillemotright>In1r (Try c1 Catch(C vn) c2)\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   845
  "Env\<turnstile> B \<guillemotright>\<langle>c1 Finally c2\<rangle>\<guillemotright> A" 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   846
  "Env\<turnstile> B \<guillemotright>In1r (c1 Finally c2)\<guillemotright> A" 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   847
  "Env\<turnstile> B \<guillemotright>\<langle>Init C\<rangle>\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   848
  "Env\<turnstile> B \<guillemotright>In1r (Init C)\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   849
  "Env\<turnstile> B \<guillemotright>\<langle>NewC C\<rangle>\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   850
  "Env\<turnstile> B \<guillemotright>In1l (NewC C)\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   851
  "Env\<turnstile> B \<guillemotright>\<langle>New T[e]\<rangle>\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   852
  "Env\<turnstile> B \<guillemotright>In1l (New T[e])\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   853
  "Env\<turnstile> B \<guillemotright>\<langle>Cast T e\<rangle>\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   854
  "Env\<turnstile> B \<guillemotright>In1l (Cast T e)\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   855
  "Env\<turnstile> B \<guillemotright>\<langle>e InstOf T\<rangle>\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   856
  "Env\<turnstile> B \<guillemotright>In1l (e InstOf T)\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   857
  "Env\<turnstile> B \<guillemotright>\<langle>Lit v\<rangle>\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   858
  "Env\<turnstile> B \<guillemotright>In1l (Lit v)\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   859
  "Env\<turnstile> B \<guillemotright>\<langle>UnOp unop e\<rangle>\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   860
  "Env\<turnstile> B \<guillemotright>In1l (UnOp unop e)\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   861
  "Env\<turnstile> B \<guillemotright>\<langle>BinOp binop e1 e2\<rangle>\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   862
  "Env\<turnstile> B \<guillemotright>In1l (BinOp binop e1 e2)\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   863
  "Env\<turnstile> B \<guillemotright>\<langle>Super\<rangle>\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   864
  "Env\<turnstile> B \<guillemotright>In1l (Super)\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   865
  "Env\<turnstile> B \<guillemotright>\<langle>Acc v\<rangle>\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   866
  "Env\<turnstile> B \<guillemotright>In1l (Acc v)\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   867
  "Env\<turnstile> B \<guillemotright>\<langle>v := e\<rangle>\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   868
  "Env\<turnstile> B \<guillemotright>In1l (v := e)\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   869
  "Env\<turnstile> B \<guillemotright>\<langle>c ? e1 : e2\<rangle>\<guillemotright> A" 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   870
  "Env\<turnstile> B \<guillemotright>In1l (c ? e1 : e2)\<guillemotright> A" 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   871
  "Env\<turnstile> B \<guillemotright>\<langle>{accC,statT,mode}e\<cdot>mn({pTs}args)\<rangle>\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   872
  "Env\<turnstile> B \<guillemotright>In1l ({accC,statT,mode}e\<cdot>mn({pTs}args))\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   873
  "Env\<turnstile> B \<guillemotright>\<langle>Methd C sig\<rangle>\<guillemotright> A" 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   874
  "Env\<turnstile> B \<guillemotright>In1l (Methd C sig)\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   875
  "Env\<turnstile> B \<guillemotright>\<langle>Body D c\<rangle>\<guillemotright> A" 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   876
  "Env\<turnstile> B \<guillemotright>In1l (Body D c)\<guillemotright> A" 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   877
  "Env\<turnstile> B \<guillemotright>\<langle>LVar vn\<rangle>\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   878
  "Env\<turnstile> B \<guillemotright>In2 (LVar vn)\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   879
  "Env\<turnstile> B \<guillemotright>\<langle>{accC,statDeclC,stat}e..fn\<rangle>\<guillemotright> A" 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   880
  "Env\<turnstile> B \<guillemotright>In2 ({accC,statDeclC,stat}e..fn)\<guillemotright> A" 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   881
  "Env\<turnstile> B \<guillemotright>\<langle>e1.[e2]\<rangle>\<guillemotright> A" 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   882
  "Env\<turnstile> B \<guillemotright>In2 (e1.[e2])\<guillemotright> A" 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   883
  "Env\<turnstile> B \<guillemotright>\<langle>[]::expr list\<rangle>\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   884
  "Env\<turnstile> B \<guillemotright>In3 ([]::expr list)\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   885
  "Env\<turnstile> B \<guillemotright>\<langle>e#es\<rangle>\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   886
  "Env\<turnstile> B \<guillemotright>In3 (e#es)\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   887
declare inj_term_sym_simps [simp del]
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   888
declare assigns_if.simps [simp]
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   889
declare split_paired_All [simp] split_paired_Ex [simp]
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   890
ML_setup {*
17876
b9c92f384109 change_claset/simpset;
wenzelm
parents: 17589
diff changeset
   891
change_simpset (fn ss => ss addloop ("split_all_tac", split_all_tac));
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   892
*}
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   893
(* To be able to eliminate both the versions with the overloaded brackets: 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   894
   (B \<guillemotright>\<langle>Skip\<rangle>\<guillemotright> A) and with the explicit constructor (B \<guillemotright>In1r Skip\<guillemotright> A), 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   895
   every rule appears in both versions
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   896
 *)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   897
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   898
lemma da_Skip: "A = \<lparr>nrm=B,brk=\<lambda> l. UNIV\<rparr> \<Longrightarrow> Env\<turnstile> B \<guillemotright>\<langle>Skip\<rangle>\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   899
  by (auto intro: da.Skip)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   900
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   901
lemma da_NewC: "A = \<lparr>nrm=B,brk=\<lambda> l. UNIV\<rparr> \<Longrightarrow> Env\<turnstile> B \<guillemotright>\<langle>NewC C\<rangle>\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   902
  by (auto intro: da.NewC)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   903
 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   904
lemma da_Lit:  "A = \<lparr>nrm=B,brk=\<lambda> l. UNIV\<rparr> \<Longrightarrow> Env\<turnstile> B \<guillemotright>\<langle>Lit v\<rangle>\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   905
  by (auto intro: da.Lit)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   906
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   907
lemma da_Super: "\<lbrakk>This \<in> B;A = \<lparr>nrm=B,brk=\<lambda> l. UNIV\<rparr>\<rbrakk> \<Longrightarrow> Env\<turnstile> B \<guillemotright>\<langle>Super\<rangle>\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   908
  by (auto intro: da.Super)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   909
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   910
lemma da_Init: "A = \<lparr>nrm=B,brk=\<lambda> l. UNIV\<rparr> \<Longrightarrow> Env\<turnstile> B \<guillemotright>\<langle>Init C\<rangle>\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   911
  by (auto intro: da.Init)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   912
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   913
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   914
(*
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   915
For boolean expressions:
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   916
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   917
The following holds: "assignsE e \<subseteq> assigns_if True e \<inter> assigns_if False e"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   918
but not vice versa:
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   919
 "assigns_if True e \<inter> assigns_if False e \<subseteq> assignsE e"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   920
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   921
Example: 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   922
 e = ((x < 5) || (y = true)) && (y = true)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   923
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   924
   =  (   a    ||    b     ) &&    c
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   925
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   926
assigns_if True  a = {}
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   927
assigns_if False a = {}
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   928
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   929
assigns_if True  b = {y}
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   930
assigns_if False b = {y}
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   931
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   932
assigns_if True  c = {y}
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   933
assigns_if False c = {y}
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   934
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   935
assigns_if True (a || b) = assigns_if True a \<inter> 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   936
                                (assigns_if False a \<union> assigns_if True b)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   937
                           = {} \<inter> ({} \<union> {y}) = {}
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   938
assigns_if False (a || b) = assigns_if False a \<union> assigns_if False b
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   939
                            = {} \<union> {y} = {y}
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   940
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   941
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   942
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   943
assigns_ifE True e =  assigns_if True (a || b) \<union> assigns_if True c
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   944
                    = {} \<union> {y} = {y}
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   945
assigns_ifE False e = assigns_if False (a || b) \<inter> 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   946
                       (assigns_if True (a || b) \<union> assigns_if False c)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   947
                     = {y} \<inter> ({} \<union> {y}) = {y}
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   948
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   949
assignsE e = {}
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   950
*)  
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   951
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   952
lemma assignsE_subseteq_assigns_ifs:
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   953
 assumes boolEx: "E\<turnstile>e\<Colon>-PrimT Boolean" (is "?Boolean e")
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   954
   shows "assignsE e \<subseteq> assigns_if True e \<inter> assigns_if False e" (is "?Incl e")
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   955
proof -
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   956
  have True and "?Boolean e \<Longrightarrow> ?Incl e" and True and True
18459
2b102759160d mutual induct with *.inducts;
wenzelm
parents: 17876
diff changeset
   957
  proof (induct _ and e and _ and _ rule: var_expr_stmt.inducts)
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   958
    case (Cast T e)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   959
    have "E\<turnstile>e\<Colon>- (PrimT Boolean)"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   960
    proof -
23350
50c5b0912a0c tuned proofs: avoid implicit prems;
wenzelm
parents: 21765
diff changeset
   961
      from `E\<turnstile>(Cast T e)\<Colon>- (PrimT Boolean)`
50c5b0912a0c tuned proofs: avoid implicit prems;
wenzelm
parents: 21765
diff changeset
   962
      obtain Te where "E\<turnstile>e\<Colon>-Te"
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   963
                           "prg E\<turnstile>Te\<preceq>? PrimT Boolean"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   964
	by cases simp
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   965
      thus ?thesis
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   966
	by - (drule cast_Boolean2,simp)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   967
    qed
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   968
    with Cast.hyps
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   969
    show ?case
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   970
      by simp
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   971
  next	
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   972
    case (Lit val) 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   973
    thus ?case
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   974
      by - (erule wt_elim_cases, cases "val", auto simp add: empty_dt_def)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   975
  next
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   976
    case (UnOp unop e) 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   977
    thus ?case
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   978
      by - (erule wt_elim_cases,cases unop,
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   979
            (fastsimp simp add: assignsE_const_simp)+)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   980
  next
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   981
    case (BinOp binop e1 e2)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   982
    from BinOp.prems obtain e1T e2T
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   983
      where "E\<turnstile>e1\<Colon>-e1T" and "E\<turnstile>e2\<Colon>-e2T" and "wt_binop (prg E) binop e1T e2T"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   984
            and "(binop_type binop) = Boolean"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   985
      by (elim wt_elim_cases) simp
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   986
    with BinOp.hyps
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   987
    show ?case
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   988
      by - (cases binop, auto simp add: assignsE_const_simp)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   989
  next
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   990
    case (Cond c e1 e2)
23350
50c5b0912a0c tuned proofs: avoid implicit prems;
wenzelm
parents: 21765
diff changeset
   991
    note hyp_c = `?Boolean c \<Longrightarrow> ?Incl c`
50c5b0912a0c tuned proofs: avoid implicit prems;
wenzelm
parents: 21765
diff changeset
   992
    note hyp_e1 = `?Boolean e1 \<Longrightarrow> ?Incl e1`
50c5b0912a0c tuned proofs: avoid implicit prems;
wenzelm
parents: 21765
diff changeset
   993
    note hyp_e2 = `?Boolean e2 \<Longrightarrow> ?Incl e2`
50c5b0912a0c tuned proofs: avoid implicit prems;
wenzelm
parents: 21765
diff changeset
   994
    note wt = `E\<turnstile>(c ? e1 : e2)\<Colon>-PrimT Boolean`
13688
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   995
    then obtain
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   996
      boolean_c:  "E\<turnstile>c\<Colon>-PrimT Boolean" and
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   997
      boolean_e1: "E\<turnstile>e1\<Colon>-PrimT Boolean" and
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   998
      boolean_e2: "E\<turnstile>e2\<Colon>-PrimT Boolean"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
   999
      by (elim wt_elim_cases) (auto dest: widen_Boolean2)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
  1000
    show ?case
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
  1001
    proof (cases "constVal c")
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
  1002
      case None
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
  1003
      with boolean_e1 boolean_e2
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
  1004
      show ?thesis
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
  1005
	using hyp_e1 hyp_e2 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
  1006
	by (auto)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
  1007
    next
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
  1008
      case (Some bv)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
  1009
      show ?thesis
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
  1010
      proof (cases "the_Bool bv")
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
  1011
	case True
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
  1012
	with Some show ?thesis using hyp_e1 boolean_e1 by auto
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
  1013
      next
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
  1014
	case False
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
  1015
	with Some show ?thesis using hyp_e2 boolean_e2 by auto
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
  1016
      qed
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
  1017
    qed
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
  1018
  qed simp_all
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
  1019
  with boolEx 
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
  1020
  show ?thesis
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
  1021
    by blast
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
  1022
qed
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
  1023
  
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
  1024
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
  1025
(* Trick:
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
  1026
   If you have a rule with the abstract term injections:
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
  1027
   e.g:  da.Skip "B \<guillemotright>\<langle>Skip\<rangle>\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
  1028
   and the current goal state as an concrete injection:
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
  1029
   e.g: "B \<guillemotright>In1r Skip\<guillemotright> A"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
  1030
   you can convert the rule by: da.Skip [simplified]
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
  1031
   if inj_term_simps is in the simpset
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
  1032
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
  1033
*)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
  1034
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
  1035
lemma rmlab_same_label [simp]: "(rmlab l A) l = UNIV"
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
  1036
  by (simp add: rmlab_def)
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
schirmer
parents:
diff changeset
  1037
a0b16d42d489 "Definite Assignment Analysis" included, with proof of correctness. Large adjustments of type safety proof and soundness proof of the axiomatic semantics were necessary. Completeness proof of the loop rule of the axiomatic semantic was altered. So the additional polymorphic variants of some rules could be removed.
&