author  wenzelm 
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parent 30585  6b2ba4666336 
child 30755  7ef503d216c2 
child 30781  7fb900cad123 
permissions  rwrr 
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(* Title: Pure/Isar/expression.ML 
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Author: Clemens Ballarin, TU Muenchen 
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29360  4 
Locale expressions. 
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*) 
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signature EXPRESSION = 
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sig 
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(* Locale expressions *) 
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datatype 'term map = Positional of 'term option list  Named of (string * 'term) list 
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type 'term expr = (string * ((string * bool) * 'term map)) list 
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type expression_i = term expr * (binding * typ option * mixfix) list 
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type expression = string expr * (binding * string option * mixfix) list 

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(* Processing of context statements *) 
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val cert_statement: Element.context_i list > (term * term list) list list > 
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Proof.context > (term * term list) list list * Proof.context 
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val read_statement: Element.context list > (string * string list) list list > 
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Proof.context > (term * term list) list list * Proof.context 
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(* Declaring locales *) 
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val cert_declaration: expression_i > (Proof.context > Proof.context) > Element.context_i list > 
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Proof.context > ((binding * typ option * mixfix) list * (string * morphism) list 

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* Element.context_i list) * ((string * typ) list * Proof.context) 
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val cert_read_declaration: expression_i > (Proof.context > Proof.context) > Element.context list > 
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Proof.context > ((binding * typ option * mixfix) list * (string * morphism) list 

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* Element.context_i list) * ((string * typ) list * Proof.context) 
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(*FIXME*) 
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val read_declaration: expression > (Proof.context > Proof.context) > Element.context list > 
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Proof.context > ((binding * typ option * mixfix) list * (string * morphism) list 

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* Element.context_i list) * ((string * typ) list * Proof.context) 
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val add_locale: binding > binding > expression_i > Element.context_i list > 
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theory > string * local_theory 
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val add_locale_cmd: binding > binding > expression > Element.context list > 
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theory > string * local_theory 
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(* Interpretation *) 
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val cert_goal_expression: expression_i > Proof.context > 
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(term list list * (string * morphism) list * morphism) * Proof.context 
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val read_goal_expression: expression > Proof.context > 
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(term list list * (string * morphism) list * morphism) * Proof.context 
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val sublocale: string > expression_i > theory > Proof.state 
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val sublocale_cmd: string > expression > theory > Proof.state 
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val interpretation: expression_i > (Attrib.binding * term) list > theory > Proof.state 
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val interpretation_cmd: expression > (Attrib.binding * string) list > theory > Proof.state 
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val interpret: expression_i > bool > Proof.state > Proof.state 
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val interpret_cmd: expression > bool > Proof.state > Proof.state 
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end; 
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structure Expression : EXPRESSION = 
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struct 
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datatype ctxt = datatype Element.ctxt; 
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(*** Expressions ***) 

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datatype 'term map = 
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Positional of 'term option list  

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Named of (string * 'term) list; 

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type 'term expr = (string * ((string * bool) * 'term map)) list; 
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type expression = string expr * (binding * string option * mixfix) list; 
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type expression_i = term expr * (binding * typ option * mixfix) list; 

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(** Internalise locale names in expr **) 
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fun intern thy instances = map (apfst (Locale.intern thy)) instances; 
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(** Parameters of expression. 
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Sanity check of instantiations and extraction of implicit parameters. 
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The latter only occurs iff strict = false. 

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Positional instantiations are extended to match full length of parameter list 

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of instantiated locale. **) 

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fun parameters_of thy strict (expr, fixed) = 

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let 
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fun reject_dups message xs = 
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let val dups = duplicates (op =) xs 
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in 
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if null dups then () else error (message ^ commas dups) 
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end; 
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fun match_bind (n, b) = (n = Binding.name_of b); 
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fun parm_eq ((b1, mx1: mixfix), (b2, mx2)) = 
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Binding.eq_name (b1, b2) andalso 
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(mx1 = mx2 orelse 
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error ("Conflicting syntax for parameter " ^ quote (Binding.str_of b1) ^ " in expression")); 

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fun params_loc loc = 
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(Locale.params_of thy loc > map (fn (p, _, mx) => (p, mx)), loc); 
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fun params_inst (expr as (loc, (prfx, Positional insts))) = 
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let 
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val (ps, loc') = params_loc loc; 
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val d = length ps  length insts; 
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val insts' = 

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if d < 0 then error ("More arguments than parameters in instantiation of locale " ^ 

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quote (Locale.extern thy loc)) 
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else insts @ replicate d NONE; 
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val ps' = (ps ~~ insts') > 
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map_filter (fn (p, NONE) => SOME p  (_, SOME _) => NONE); 
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in (ps', (loc', (prfx, Positional insts'))) end 
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 params_inst (expr as (loc, (prfx, Named insts))) = 
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let 
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val _ = reject_dups "Duplicate instantiation of the following parameter(s): " 
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(map fst insts); 
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val (ps, loc') = params_loc loc; 
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val ps' = fold (fn (p, _) => fn ps => 
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if AList.defined match_bind ps p then AList.delete match_bind p ps 
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else error (quote p ^" not a parameter of instantiated expression.")) insts ps; 
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in (ps', (loc', (prfx, Named insts))) end; 
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fun params_expr is = 
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let 
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val (is', ps') = fold_map (fn i => fn ps => 
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let 
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val (ps', i') = params_inst i; 
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val ps'' = distinct parm_eq (ps @ ps'); 
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in (i', ps'') end) is [] 
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in (ps', is') end; 
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val (implicit, expr') = params_expr expr; 
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val implicit' = map (#1 #> Name.of_binding) implicit; 
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val fixed' = map (#1 #> Name.of_binding) fixed; 
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val _ = reject_dups "Duplicate fixed parameter(s): " fixed'; 
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val implicit'' = 
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if strict then [] 
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else 
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let val _ = reject_dups 
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"Parameter(s) declared simultaneously in expression and for clause: " (implicit' @ fixed') 
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in map (fn (b, mx) => (b, NONE, mx)) implicit end; 

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in (expr', implicit'' @ fixed) end; 
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(** Read instantiation **) 

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(* Parse positional or named instantiation *) 
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local 
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fun prep_inst prep_term ctxt parms (Positional insts) = 
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(insts ~~ parms) > map (fn 
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(NONE, p) => Free (p, dummyT)  
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(SOME t, _) => prep_term ctxt t) 

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 prep_inst prep_term ctxt parms (Named insts) = 

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parms > map (fn p => case AList.lookup (op =) insts p of 
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SOME t => prep_term ctxt t  
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NONE => Free (p, dummyT)); 

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in 

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fun parse_inst x = prep_inst Syntax.parse_term x; 

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fun make_inst x = prep_inst (K I) x; 

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end; 

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(* Instantiation morphism *) 

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fun inst_morph (parm_names, parm_types) ((prfx, strict), insts') ctxt = 
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let 
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(* parameters *) 

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val type_parm_names = fold Term.add_tfreesT parm_types [] > map fst; 

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(* type inference and contexts *) 

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val parm_types' = map (TypeInfer.paramify_vars o Logic.varifyT) parm_types; 

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val type_parms = fold Term.add_tvarsT parm_types' [] > map (Logic.mk_type o TVar); 

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val arg = type_parms @ map2 TypeInfer.constrain parm_types' insts'; 

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val res = Syntax.check_terms ctxt arg; 

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val ctxt' = ctxt > fold Variable.auto_fixes res; 

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(* instantiation *) 
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val (type_parms'', res') = chop (length type_parms) res; 

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val insts'' = (parm_names ~~ res') > map_filter 

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(fn (inst as (x, Free (y, _))) => if x = y then NONE else SOME inst  

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inst => SOME inst); 

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val instT = Symtab.make (type_parm_names ~~ map Logic.dest_type type_parms''); 

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val inst = Symtab.make insts''; 

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in 

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(Element.inst_morphism (ProofContext.theory_of ctxt) (instT, inst) $> 

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Morphism.binding_morphism (Binding.prefix strict prfx), ctxt') 
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end; 
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(*** Locale processing ***) 

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(** Parsing **) 
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fun parse_elem prep_typ prep_term ctxt = 
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Element.map_ctxt 

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{binding = I, 

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typ = prep_typ ctxt, 

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term = prep_term (ProofContext.set_mode ProofContext.mode_schematic ctxt), 

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pattern = prep_term (ProofContext.set_mode ProofContext.mode_pattern ctxt), 

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fact = I, 

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attrib = I}; 

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fun parse_concl prep_term ctxt concl = 
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(map o map) (fn (t, ps) => 
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(prep_term (ProofContext.set_mode ProofContext.mode_schematic ctxt) t, 
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map (prep_term (ProofContext.set_mode ProofContext.mode_pattern ctxt)) ps)) concl; 
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(** Simultaneous type inference: instantiations + elements + conclusion **) 
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local 
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fun mk_type T = (Logic.mk_type T, []); 
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fun mk_term t = (t, []); 
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fun mk_propp (p, pats) = (Syntax.type_constraint propT p, pats); 
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fun dest_type (T, []) = Logic.dest_type T; 
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fun dest_term (t, []) = t; 
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fun dest_propp (p, pats) = (p, pats); 
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fun extract_inst (_, (_, ts)) = map mk_term ts; 
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fun restore_inst ((l, (p, _)), cs) = (l, (p, map dest_term cs)); 
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224 

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fun extract_elem (Fixes fixes) = map (#2 #> the_list #> map mk_type) fixes 
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 extract_elem (Constrains csts) = map (#2 #> single #> map mk_type) csts 
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 extract_elem (Assumes asms) = map (#2 #> map mk_propp) asms 
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 extract_elem (Defines defs) = map (fn (_, (t, ps)) => [mk_propp (t, ps)]) defs 
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 extract_elem (Notes _) = []; 
28795  230 

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fun restore_elem (Fixes fixes, css) = 
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(fixes ~~ css) > map (fn ((x, _, mx), cs) => 
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233 
(x, cs > map dest_type > try hd, mx)) > Fixes 
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234 
 restore_elem (Constrains csts, css) = 
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(csts ~~ css) > map (fn ((x, _), cs) => 
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236 
(x, cs > map dest_type > hd)) > Constrains 
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237 
 restore_elem (Assumes asms, css) = 
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(asms ~~ css) > map (fn ((b, _), cs) => (b, map dest_propp cs)) > Assumes 
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239 
 restore_elem (Defines defs, css) = 
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(defs ~~ css) > map (fn ((b, _), [c]) => (b, dest_propp c)) > Defines 
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 restore_elem (Notes notes, _) = Notes notes; 
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242 

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243 
fun check cs context = 
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244 
let 
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245 
fun prep (_, pats) (ctxt, t :: ts) = 
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246 
let val ctxt' = Variable.auto_fixes t ctxt 
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247 
in 
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((t, Syntax.check_props (ProofContext.set_mode ProofContext.mode_pattern ctxt') pats), 
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(ctxt', ts)) 
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250 
end 
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251 
val (cs', (context', _)) = fold_map prep cs 
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252 
(context, Syntax.check_terms 
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253 
(ProofContext.set_mode ProofContext.mode_schematic context) (map fst cs)); 
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254 
in (cs', context') end; 
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255 

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256 
in 
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257 

28872  258 
fun check_autofix insts elems concl ctxt = 
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let 
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val inst_cs = map extract_inst insts; 
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val elem_css = map extract_elem elems; 
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262 
val concl_cs = (map o map) mk_propp concl; 
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263 
(* Type inference *) 
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val (inst_cs' :: css', ctxt') = 
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(fold_burrow o fold_burrow) check (inst_cs :: elem_css @ [concl_cs]) ctxt; 
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val (elem_css', [concl_cs']) = chop (length elem_css) css'; 
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in 
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(map restore_inst (insts ~~ inst_cs'), map restore_elem (elems ~~ elem_css'), 
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concl_cs', ctxt') 
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270 
end; 
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271 

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end; 
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273 

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274 

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(** Prepare locale elements **) 
28795  276 

277 
fun declare_elem prep_vars (Fixes fixes) ctxt = 

278 
let val (vars, _) = prep_vars fixes ctxt 

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in ctxt > ProofContext.add_fixes_i vars > snd end 
28795  280 
 declare_elem prep_vars (Constrains csts) ctxt = 
28965  281 
ctxt > prep_vars (map (fn (x, T) => (Binding.name x, SOME T, NoSyn)) csts) > snd 
28872  282 
 declare_elem _ (Assumes _) ctxt = ctxt 
283 
 declare_elem _ (Defines _) ctxt = ctxt 

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 declare_elem _ (Notes _) ctxt = ctxt; 
28795  285 

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286 
(** Finish locale elements **) 
28795  287 

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288 
fun closeup _ _ false elem = elem 
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289 
 closeup ctxt parms true elem = 
28795  290 
let 
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291 
(* FIXME consider closing in syntactic phase  before type checking *) 
28795  292 
fun close_frees t = 
293 
let 

294 
val rev_frees = 

295 
Term.fold_aterms (fn Free (x, T) => 

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if AList.defined (op =) parms x then I else insert (op =) (x, T)  _ => I) t []; 
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297 
in fold (Logic.all o Free) rev_frees t end; 
28795  298 

299 
fun no_binds [] = [] 

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300 
 no_binds _ = error "Illegal term bindings in context element"; 
28795  301 
in 
302 
(case elem of 

303 
Assumes asms => Assumes (asms > map (fn (a, propps) => 

304 
(a, map (fn (t, ps) => (close_frees t, no_binds ps)) propps))) 

29022  305 
 Defines defs => Defines (defs > map (fn ((name, atts), (t, ps)) => 
306 
let val ((c, _), t') = LocalDefs.cert_def ctxt (close_frees t) 

30434  307 
in ((Thm.def_binding_optional (Binding.name c) name, atts), (t', no_binds ps)) end)) 
28795  308 
 e => e) 
309 
end; 

310 

28872  311 
fun finish_primitive parms _ (Fixes fixes) = Fixes (map (fn (binding, _, mx) => 
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312 
let val x = Binding.name_of binding 
28795  313 
in (binding, AList.lookup (op =) parms x, mx) end) fixes) 
28872  314 
 finish_primitive _ _ (Constrains _) = Constrains [] 
315 
 finish_primitive _ close (Assumes asms) = close (Assumes asms) 

316 
 finish_primitive _ close (Defines defs) = close (Defines defs) 

317 
 finish_primitive _ _ (Notes facts) = Notes facts; 

318 

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319 
fun finish_inst ctxt parms do_close (loc, (prfx, inst)) = 
28872  320 
let 
321 
val thy = ProofContext.theory_of ctxt; 

29360  322 
val (parm_names, parm_types) = Locale.params_of thy loc > 
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323 
map_split (fn (b, SOME T, _) => (Binding.name_of b, T)); 
28872  324 
val (morph, _) = inst_morph (parm_names, parm_types) (prfx, inst) ctxt; 
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325 
in (loc, morph) end; 
28795  326 

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327 
fun finish_elem ctxt parms do_close elem = 
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328 
finish_primitive parms (closeup ctxt parms do_close) elem; 
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329 

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330 
fun finish ctxt parms do_close insts elems = 
28872  331 
let 
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332 
val deps = map (finish_inst ctxt parms do_close) insts; 
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333 
val elems' = map (finish_elem ctxt parms do_close) elems; 
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334 
in (deps, elems') end; 
28795  335 

336 

28895  337 
(** Process full context statement: instantiations + elements + conclusion **) 
338 

339 
(* Interleave incremental parsing and type inference over entire parsed stretch. *) 

340 

28795  341 
local 
342 

29797  343 
fun prep_full_context_statement parse_typ parse_prop prep_vars_elem prep_inst prep_vars_inst prep_expr 
29702  344 
strict do_close raw_import init_body raw_elems raw_concl ctxt1 = 
28795  345 
let 
29358  346 
val thy = ProofContext.theory_of ctxt1; 
28872  347 

28895  348 
val (raw_insts, fixed) = parameters_of thy strict (apfst (prep_expr thy) raw_import); 
349 

29797  350 
fun prep_insts (loc, (prfx, inst)) (i, insts, ctxt) = 
28872  351 
let 
29360  352 
val (parm_names, parm_types) = Locale.params_of thy loc > 
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353 
map_split (fn (b, SOME T, _) => (Name.of_binding b, T)) 
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354 
(*FIXME return value of Locale.params_of has strange type*) 
29797  355 
val inst' = prep_inst ctxt parm_names inst; 
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356 
val parm_types' = map (TypeInfer.paramify_vars o 
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357 
Term.map_type_tvar (fn ((x, _), S) => TVar ((x, i), S)) o Logic.varifyT) parm_types; 
28872  358 
val inst'' = map2 TypeInfer.constrain parm_types' inst'; 
359 
val insts' = insts @ [(loc, (prfx, inst''))]; 

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360 
val (insts'', _, _, ctxt' (* FIXME not used *) ) = check_autofix insts' [] [] ctxt; 
28872  361 
val inst''' = insts'' > List.last > snd > snd; 
362 
val (morph, _) = inst_morph (parm_names, parm_types) (prfx, inst''') ctxt; 

29360  363 
val ctxt'' = Locale.activate_declarations thy (loc, morph) ctxt; 
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364 
in (i + 1, insts', ctxt'') end; 
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365 

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366 
fun prep_elem insts raw_elem (elems, ctxt) = 
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367 
let 
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368 
val ctxt' = declare_elem prep_vars_elem raw_elem ctxt; 
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369 
val elems' = elems @ [parse_elem parse_typ parse_prop ctxt' raw_elem]; 
28872  370 
val (_, _, _, ctxt'') = check_autofix insts elems' [] ctxt'; 
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371 
in (elems', ctxt') end; 
28795  372 

28872  373 
fun prep_concl raw_concl (insts, elems, ctxt) = 
28795  374 
let 
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375 
val concl = parse_concl parse_prop ctxt raw_concl; 
28872  376 
in check_autofix insts elems concl ctxt end; 
28795  377 

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378 
val fors = prep_vars_inst fixed ctxt1 > fst; 
29358  379 
val ctxt2 = ctxt1 > ProofContext.add_fixes_i fors > snd; 
29797  380 
val (_, insts', ctxt3) = fold prep_insts raw_insts (0, [], ctxt2); 
29702  381 
val ctxt4 = init_body ctxt3; 
382 
val (elems, ctxt5) = fold (prep_elem insts') raw_elems ([], ctxt4); 

383 
val (insts, elems', concl, ctxt6) = 

384 
prep_concl raw_concl (insts', elems, ctxt5); 

28795  385 

28872  386 
(* Retrieve parameter types *) 
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387 
val xs = fold (fn Fixes fixes => (fn ps => ps @ map (Name.of_binding o #1) fixes) 
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388 
 _ => fn ps => ps) (Fixes fors :: elems') []; 
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389 
val (Ts, ctxt7) = fold_map ProofContext.inferred_param xs ctxt6; 
28895  390 
val parms = xs ~~ Ts; (* params from expression and elements *) 
28795  391 

28872  392 
val Fixes fors' = finish_primitive parms I (Fixes fors); 
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393 
val (deps, elems'') = finish ctxt6 parms do_close insts elems'; 
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394 

29702  395 
in ((fors', deps, elems'', concl), (parms, ctxt7)) end 
28795  396 

397 
in 

398 

29501
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399 
fun cert_full_context_statement x = 
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400 
prep_full_context_statement (K I) (K I) ProofContext.cert_vars 
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401 
make_inst ProofContext.cert_vars (K I) x; 
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402 
fun cert_read_full_context_statement x = 
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403 
prep_full_context_statement Syntax.parse_typ Syntax.parse_prop ProofContext.read_vars 
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404 
make_inst ProofContext.cert_vars (K I) x; 
28895  405 
fun read_full_context_statement x = 
29501
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406 
prep_full_context_statement Syntax.parse_typ Syntax.parse_prop ProofContext.read_vars 
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407 
parse_inst ProofContext.read_vars intern x; 
28795  408 

409 
end; 

410 

411 

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412 
(* Context statement: elements + conclusion *) 
28795  413 

414 
local 

415 

28898
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416 
fun prep_statement prep activate raw_elems raw_concl context = 
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417 
let 
29358  418 
val ((_, _, elems, concl), _) = 
29702  419 
prep true false ([], []) I raw_elems raw_concl context; 
29501
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420 
val (_, context') = context > 
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changeset

421 
ProofContext.set_stmt true > 
08df2e51cb80
added cert_read_declaration; more exports; tuned signature
haftmann
parents:
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diff
changeset

422 
activate elems; 
28898
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Proper treatment of expressions with free arguments.
ballarin
parents:
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diff
changeset

423 
in (concl, context') end; 
530c7d28a962
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ballarin
parents:
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diff
changeset

424 

530c7d28a962
Proper treatment of expressions with free arguments.
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parents:
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diff
changeset

425 
in 
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

426 

29501
08df2e51cb80
added cert_read_declaration; more exports; tuned signature
haftmann
parents:
29496
diff
changeset

427 
fun cert_statement x = prep_statement cert_full_context_statement Element.activate_i x; 
28898
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
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diff
changeset

428 
fun read_statement x = prep_statement read_full_context_statement Element.activate x; 
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

429 

530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
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diff
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430 
end; 
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
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diff
changeset

431 

530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
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diff
changeset

432 

530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
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diff
changeset

433 
(* Locale declaration: import + elements *) 
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

434 

530c7d28a962
Proper treatment of expressions with free arguments.
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parents:
28895
diff
changeset

435 
local 
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
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diff
changeset

436 

29702  437 
fun prep_declaration prep activate raw_import init_body raw_elems context = 
28795  438 
let 
29358  439 
val ((fixed, deps, elems, _), (parms, ctxt')) = 
29702  440 
prep false true raw_import init_body raw_elems [] context ; 
28898
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

441 
(* Declare parameters and imported facts *) 
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

442 
val context' = context > 
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

443 
ProofContext.add_fixes_i fixed > snd > 
29360  444 
fold Locale.activate_local_facts deps; 
29501
08df2e51cb80
added cert_read_declaration; more exports; tuned signature
haftmann
parents:
29496
diff
changeset

445 
val (elems', _) = context' > 
08df2e51cb80
added cert_read_declaration; more exports; tuned signature
haftmann
parents:
29496
diff
changeset

446 
ProofContext.set_stmt true > 
08df2e51cb80
added cert_read_declaration; more exports; tuned signature
haftmann
parents:
29496
diff
changeset

447 
activate elems; 
29221
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

448 
in ((fixed, deps, elems'), (parms, ctxt')) end; 
28795  449 

450 
in 

451 

29501
08df2e51cb80
added cert_read_declaration; more exports; tuned signature
haftmann
parents:
29496
diff
changeset

452 
fun cert_declaration x = prep_declaration cert_full_context_statement Element.activate_i x; 
08df2e51cb80
added cert_read_declaration; more exports; tuned signature
haftmann
parents:
29496
diff
changeset

453 
fun cert_read_declaration x = prep_declaration cert_read_full_context_statement Element.activate x; 
28898
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

454 
fun read_declaration x = prep_declaration read_full_context_statement Element.activate x; 
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

455 

530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

456 
end; 
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

457 

530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

458 

530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

459 
(* Locale expression to set up a goal *) 
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

460 

530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

461 
local 
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

462 

530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

463 
fun props_of thy (name, morph) = 
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

464 
let 
29360  465 
val (asm, defs) = Locale.specification_of thy name; 
28898
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

466 
in 
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

467 
(case asm of NONE => defs  SOME asm => asm :: defs) > map (Morphism.term morph) 
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

468 
end; 
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

469 

530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

470 
fun prep_goal_expression prep expression context = 
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

471 
let 
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

472 
val thy = ProofContext.theory_of context; 
28879  473 

29358  474 
val ((fixed, deps, _, _), _) = 
29702  475 
prep true true expression I [] [] context; 
28898
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

476 
(* proof obligations *) 
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

477 
val propss = map (props_of thy) deps; 
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

478 

530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

479 
val goal_ctxt = context > 
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

480 
ProofContext.add_fixes_i fixed > snd > 
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

481 
(fold o fold) Variable.auto_fixes propss; 
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

482 

530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

483 
val export = Variable.export_morphism goal_ctxt context; 
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

484 
val exp_fact = Drule.zero_var_indexes_list o map Thm.strip_shyps o Morphism.fact export; 
29245
19728ee2b1ba
Intro_locales_tac knows about defines elements; more robust export morphism.
ballarin
parents:
29241
diff
changeset

485 
val exp_term = TermSubst.zero_var_indexes o Morphism.term export; 
28898
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

486 
val exp_typ = Logic.type_map exp_term; 
29604  487 
val export' = Morphism.morphism {binding = I, typ = exp_typ, term = exp_term, fact = exp_fact}; 
28898
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

488 
in ((propss, deps, export'), goal_ctxt) end; 
30344
10a67c5ddddb
more uniform handling of binding in targets and derived elements;
wenzelm
parents:
30335
diff
changeset

489 

28898
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

490 
in 
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

491 

29501
08df2e51cb80
added cert_read_declaration; more exports; tuned signature
haftmann
parents:
29496
diff
changeset

492 
fun cert_goal_expression x = prep_goal_expression cert_full_context_statement x; 
28898
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

493 
fun read_goal_expression x = prep_goal_expression read_full_context_statement x; 
28879  494 

28795  495 
end; 
496 

497 

498 
(*** Locale declarations ***) 

499 

29221
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

500 
(* extract specification text *) 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

501 

918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

502 
val norm_term = Envir.beta_norm oo Term.subst_atomic; 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

503 

918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

504 
fun bind_def ctxt eq (xs, env, eqs) = 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

505 
let 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

506 
val _ = LocalDefs.cert_def ctxt eq; 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

507 
val ((y, T), b) = LocalDefs.abs_def eq; 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

508 
val b' = norm_term env b; 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

509 
fun err msg = error (msg ^ ": " ^ quote y); 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

510 
in 
29250
96b1b4d5157d
More liberal consistency check for defines elements.
ballarin
parents:
29248
diff
changeset

511 
case filter (fn (Free (y', _), _) => y = y'  _ => false) env of 
96b1b4d5157d
More liberal consistency check for defines elements.
ballarin
parents:
29248
diff
changeset

512 
[] => (Term.add_frees b' xs, (Free (y, T), b') :: env, eq :: eqs)  
96b1b4d5157d
More liberal consistency check for defines elements.
ballarin
parents:
29248
diff
changeset

513 
dups => if forall (fn (_, b'') => b' aconv b'') dups 
96b1b4d5157d
More liberal consistency check for defines elements.
ballarin
parents:
29248
diff
changeset

514 
then (xs, env, eqs) 
96b1b4d5157d
More liberal consistency check for defines elements.
ballarin
parents:
29248
diff
changeset

515 
else err "Attempt to redefine variable" 
29221
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

516 
end; 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

517 

918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

518 
(* text has the following structure: 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

519 
(((exts, exts'), (ints, ints')), (xs, env, defs)) 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

520 
where 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

521 
exts: external assumptions (terms in assumes elements) 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

522 
exts': dito, normalised wrt. env 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

523 
ints: internal assumptions (terms in assumptions from insts) 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

524 
ints': dito, normalised wrt. env 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

525 
xs: the free variables in exts' and ints' and rhss of definitions, 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

526 
this includes parameters except defined parameters 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

527 
env: list of term pairs encoding substitutions, where the first term 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

528 
is a free variable; substitutions represent defines elements and 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

529 
the rhs is normalised wrt. the previous env 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

530 
defs: the equations from the defines elements 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

531 
*) 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

532 

918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

533 
fun eval_text _ _ (Fixes _) text = text 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

534 
 eval_text _ _ (Constrains _) text = text 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

535 
 eval_text _ is_ext (Assumes asms) 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

536 
(((exts, exts'), (ints, ints')), (xs, env, defs)) = 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

537 
let 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

538 
val ts = maps (map #1 o #2) asms; 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

539 
val ts' = map (norm_term env) ts; 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

540 
val spec' = 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

541 
if is_ext then ((exts @ ts, exts' @ ts'), (ints, ints')) 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

542 
else ((exts, exts'), (ints @ ts, ints' @ ts')); 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

543 
in (spec', (fold Term.add_frees ts' xs, env, defs)) end 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

544 
 eval_text ctxt _ (Defines defs) (spec, binds) = 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

545 
(spec, fold (bind_def ctxt o #1 o #2) defs binds) 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

546 
 eval_text _ _ (Notes _) text = text; 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

547 

918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

548 
fun eval_inst ctxt (loc, morph) text = 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

549 
let 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

550 
val thy = ProofContext.theory_of ctxt; 
29360  551 
val (asm, defs) = Locale.specification_of thy loc; 
29221
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

552 
val asm' = Option.map (Morphism.term morph) asm; 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

553 
val defs' = map (Morphism.term morph) defs; 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

554 
val text' = text > 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

555 
(if is_some asm 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

556 
then eval_text ctxt false (Assumes [(Attrib.empty_binding, [(the asm', [])])]) 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

557 
else I) > 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

558 
(if not (null defs) 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

559 
then eval_text ctxt false (Defines (map (fn def => (Attrib.empty_binding, (def, []))) defs')) 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

560 
else I) 
29360  561 
(* FIXME clone from locale.ML *) 
29221
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

562 
in text' end; 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

563 

918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

564 
fun eval_elem ctxt elem text = 
30725
c23a5b3cd1b9
register_locale: produce stamps at the spot where elements are registered;
wenzelm
parents:
30585
diff
changeset

565 
eval_text ctxt true elem text; 
29221
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

566 

918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

567 
fun eval ctxt deps elems = 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

568 
let 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

569 
val text' = fold (eval_inst ctxt) deps ((([], []), ([], [])), ([], [], [])); 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

570 
val ((spec, (_, _, defs))) = fold (eval_elem ctxt) elems text'; 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

571 
in (spec, defs) end; 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

572 

28903
b3fc3a62247a
Intro_locales_tac to simplify goals involving locale predicates.
ballarin
parents:
28902
diff
changeset

573 
(* axiomsN: name of theorem set with destruct rules for locale predicates, 
b3fc3a62247a
Intro_locales_tac to simplify goals involving locale predicates.
ballarin
parents:
28902
diff
changeset

574 
also name suffix of delta predicates and assumptions. *) 
b3fc3a62247a
Intro_locales_tac to simplify goals involving locale predicates.
ballarin
parents:
28902
diff
changeset

575 

b3fc3a62247a
Intro_locales_tac to simplify goals involving locale predicates.
ballarin
parents:
28902
diff
changeset

576 
val axiomsN = "axioms"; 
b3fc3a62247a
Intro_locales_tac to simplify goals involving locale predicates.
ballarin
parents:
28902
diff
changeset

577 

28795  578 
local 
579 

580 
(* introN: name of theorems for introduction rules of locale and 

28903
b3fc3a62247a
Intro_locales_tac to simplify goals involving locale predicates.
ballarin
parents:
28902
diff
changeset

581 
delta predicates *) 
28795  582 

583 
val introN = "intro"; 

584 

585 
fun atomize_spec thy ts = 

586 
let 

587 
val t = Logic.mk_conjunction_balanced ts; 

588 
val body = ObjectLogic.atomize_term thy t; 

589 
val bodyT = Term.fastype_of body; 

590 
in 

591 
if bodyT = propT then (t, propT, Thm.reflexive (Thm.cterm_of thy t)) 

592 
else (body, bodyT, ObjectLogic.atomize (Thm.cterm_of thy t)) 

593 
end; 

594 

595 
(* achieve plain syntax for locale predicates (without "PROP") *) 

596 

597 
fun aprop_tr' n c = (Syntax.constN ^ c, fn ctxt => fn args => 

598 
if length args = n then 

599 
Syntax.const "_aprop" $ 

600 
Term.list_comb (Syntax.free (Consts.extern (ProofContext.consts_of ctxt) c), args) 

601 
else raise Match); 

602 

28898
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

603 
(* define one predicate including its intro rule and axioms 
28795  604 
 bname: predicate name 
605 
 parms: locale parameters 

606 
 defs: thms representing substitutions from defines elements 

607 
 ts: terms representing locale assumptions (not normalised wrt. defs) 

608 
 norm_ts: terms representing locale assumptions (normalised wrt. defs) 

609 
 thy: the theory 

610 
*) 

611 

612 
fun def_pred bname parms defs ts norm_ts thy = 

613 
let 

30344
10a67c5ddddb
more uniform handling of binding in targets and derived elements;
wenzelm
parents:
30335
diff
changeset

614 
val name = Sign.full_name thy bname; 
28795  615 

616 
val (body, bodyT, body_eq) = atomize_spec thy norm_ts; 

29272  617 
val env = Term.add_free_names body []; 
28795  618 
val xs = filter (member (op =) env o #1) parms; 
619 
val Ts = map #2 xs; 

29272  620 
val extraTs = 
621 
(Term.add_tfrees body [] \\ fold Term.add_tfreesT Ts []) 

28795  622 
> Library.sort_wrt #1 > map TFree; 
623 
val predT = map Term.itselfT extraTs > Ts > bodyT; 

624 

625 
val args = map Logic.mk_type extraTs @ map Free xs; 

626 
val head = Term.list_comb (Const (name, predT), args); 

627 
val statement = ObjectLogic.ensure_propT thy head; 

628 

629 
val ([pred_def], defs_thy) = 

630 
thy 

631 
> bodyT = propT ? Sign.add_advanced_trfuns ([], [], [aprop_tr' (length args) name], []) 

30344
10a67c5ddddb
more uniform handling of binding in targets and derived elements;
wenzelm
parents:
30335
diff
changeset

632 
> Sign.declare_const [] ((bname, predT), NoSyn) > snd 
28795  633 
> PureThy.add_defs false 
30344
10a67c5ddddb
more uniform handling of binding in targets and derived elements;
wenzelm
parents:
30335
diff
changeset

634 
[((Binding.map_name Thm.def_name bname, Logic.mk_equals (head, body)), [Thm.kind_internal])]; 
28795  635 
val defs_ctxt = ProofContext.init defs_thy > Variable.declare_term head; 
636 

637 
val cert = Thm.cterm_of defs_thy; 

638 

639 
val intro = Goal.prove_global defs_thy [] norm_ts statement (fn _ => 

640 
MetaSimplifier.rewrite_goals_tac [pred_def] THEN 

641 
Tactic.compose_tac (false, body_eq RS Drule.equal_elim_rule1, 1) 1 THEN 

642 
Tactic.compose_tac (false, 

643 
Conjunction.intr_balanced (map (Thm.assume o cert) norm_ts), 0) 1); 

644 

645 
val conjuncts = 

646 
(Drule.equal_elim_rule2 OF [body_eq, 

647 
MetaSimplifier.rewrite_rule [pred_def] (Thm.assume (cert statement))]) 

648 
> Conjunction.elim_balanced (length ts); 

649 
val axioms = ts ~~ conjuncts > map (fn (t, ax) => 

650 
Element.prove_witness defs_ctxt t 

651 
(MetaSimplifier.rewrite_goals_tac defs THEN 

652 
Tactic.compose_tac (false, ax, 0) 1)); 

653 
in ((statement, intro, axioms), defs_thy) end; 

654 

655 
in 

656 

30344
10a67c5ddddb
more uniform handling of binding in targets and derived elements;
wenzelm
parents:
30335
diff
changeset

657 
(* main predicate definition function *) 
28795  658 

29221
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

659 
fun define_preds pname parms (((exts, exts'), (ints, ints')), defs) thy = 
28795  660 
let 
29031
e74341997a48
Pass on defines in inheritance; reject illicit defines created by instantiation.
ballarin
parents:
29030
diff
changeset

661 
val defs' = map (cterm_of thy #> Assumption.assume #> Drule.gen_all #> Drule.abs_def) defs; 
e74341997a48
Pass on defines in inheritance; reject illicit defines created by instantiation.
ballarin
parents:
29030
diff
changeset

662 

28795  663 
val (a_pred, a_intro, a_axioms, thy'') = 
664 
if null exts then (NONE, NONE, [], thy) 

665 
else 

666 
let 

30344
10a67c5ddddb
more uniform handling of binding in targets and derived elements;
wenzelm
parents:
30335
diff
changeset

667 
val aname = if null ints then pname else Binding.suffix_name ("_" ^ axiomsN) pname 
28795  668 
val ((statement, intro, axioms), thy') = 
669 
thy 

29031
e74341997a48
Pass on defines in inheritance; reject illicit defines created by instantiation.
ballarin
parents:
29030
diff
changeset

670 
> def_pred aname parms defs' exts exts'; 
28795  671 
val (_, thy'') = 
672 
thy' 

30469  673 
> Sign.mandatory_path (Binding.name_of aname) 
28903
b3fc3a62247a
Intro_locales_tac to simplify goals involving locale predicates.
ballarin
parents:
28902
diff
changeset

674 
> PureThy.note_thmss Thm.internalK 
30725
c23a5b3cd1b9
register_locale: produce stamps at the spot where elements are registered;
wenzelm
parents:
30585
diff
changeset

675 
[((Binding.name introN, []), [([intro], [Locale.unfold_add])])] 
28795  676 
> Sign.restore_naming thy'; 
677 
in (SOME statement, SOME intro, axioms, thy'') end; 

678 
val (b_pred, b_intro, b_axioms, thy'''') = 

679 
if null ints then (NONE, NONE, [], thy'') 

680 
else 

681 
let 

682 
val ((statement, intro, axioms), thy''') = 

683 
thy'' 

29031
e74341997a48
Pass on defines in inheritance; reject illicit defines created by instantiation.
ballarin
parents:
29030
diff
changeset

684 
> def_pred pname parms defs' (ints @ the_list a_pred) (ints' @ the_list a_pred); 
28795  685 
val (_, thy'''') = 
686 
thy''' 

30469  687 
> Sign.mandatory_path (Binding.name_of pname) 
28795  688 
> PureThy.note_thmss Thm.internalK 
30725
c23a5b3cd1b9
register_locale: produce stamps at the spot where elements are registered;
wenzelm
parents:
30585
diff
changeset

689 
[((Binding.name introN, []), [([intro], [Locale.intro_add])]), 
28965  690 
((Binding.name axiomsN, []), 
28795  691 
[(map (Drule.standard o Element.conclude_witness) axioms, [])])] 
692 
> Sign.restore_naming thy'''; 

693 
in (SOME statement, SOME intro, axioms, thy'''') end; 

694 
in ((a_pred, a_intro, a_axioms), (b_pred, b_intro, b_axioms), thy'''') end; 

695 

696 
end; 

697 

698 

699 
local 

700 

701 
fun assumes_to_notes (Assumes asms) axms = 

702 
fold_map (fn (a, spec) => fn axs => 

703 
let val (ps, qs) = chop (length spec) axs 

704 
in ((a, [(ps, [])]), qs) end) asms axms 

705 
> apfst (curry Notes Thm.assumptionK) 

706 
 assumes_to_notes e axms = (e, axms); 

707 

29031
e74341997a48
Pass on defines in inheritance; reject illicit defines created by instantiation.
ballarin
parents:
29030
diff
changeset

708 
fun defines_to_notes thy (Defines defs) = 
e74341997a48
Pass on defines in inheritance; reject illicit defines created by instantiation.
ballarin
parents:
29030
diff
changeset

709 
Notes (Thm.definitionK, map (fn (a, (def, _)) => 
29245
19728ee2b1ba
Intro_locales_tac knows about defines elements; more robust export morphism.
ballarin
parents:
29241
diff
changeset

710 
(a, [([Assumption.assume (cterm_of thy def)], 
30725
c23a5b3cd1b9
register_locale: produce stamps at the spot where elements are registered;
wenzelm
parents:
30585
diff
changeset

711 
[(Attrib.internal o K) Locale.witness_add])])) defs) 
29031
e74341997a48
Pass on defines in inheritance; reject illicit defines created by instantiation.
ballarin
parents:
29030
diff
changeset

712 
 defines_to_notes _ e = e; 
28795  713 

28898
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

714 
fun gen_add_locale prep_decl 
30189
3633f560f4c3
discontinued experimental support for Alice  too hard to maintain its many language incompatibilities, never really worked anyway;
wenzelm
parents:
29797
diff
changeset

715 
bname raw_predicate_bname raw_import raw_body thy = 
28795  716 
let 
30344
10a67c5ddddb
more uniform handling of binding in targets and derived elements;
wenzelm
parents:
30335
diff
changeset

717 
val name = Sign.full_name thy bname; 
29391
1f6e8c00dc3e
tuned signature; changed locale predicate name convention
haftmann
parents:
29362
diff
changeset

718 
val _ = Locale.defined thy name andalso 
28795  719 
error ("Duplicate definition of locale " ^ quote name); 
720 

29221
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

721 
val ((fixed, deps, body_elems), (parms, ctxt')) = 
30189
3633f560f4c3
discontinued experimental support for Alice  too hard to maintain its many language incompatibilities, never really worked anyway;
wenzelm
parents:
29797
diff
changeset

722 
prep_decl raw_import I raw_body (ProofContext.init thy); 
29221
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

723 
val text as (((_, exts'), _), defs) = eval ctxt' deps body_elems; 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

724 

30344
10a67c5ddddb
more uniform handling of binding in targets and derived elements;
wenzelm
parents:
30335
diff
changeset

725 
val predicate_bname = 
10a67c5ddddb
more uniform handling of binding in targets and derived elements;
wenzelm
parents:
30335
diff
changeset

726 
if Binding.is_empty raw_predicate_bname then bname 
29391
1f6e8c00dc3e
tuned signature; changed locale predicate name convention
haftmann
parents:
29362
diff
changeset

727 
else raw_predicate_bname; 
28872  728 
val ((a_statement, a_intro, a_axioms), (b_statement, b_intro, b_axioms), thy') = 
29391
1f6e8c00dc3e
tuned signature; changed locale predicate name convention
haftmann
parents:
29362
diff
changeset

729 
define_preds predicate_bname parms text thy; 
28795  730 

731 
val extraTs = fold Term.add_tfrees exts' [] \\ fold Term.add_tfreesT (map snd parms) []; 

30344
10a67c5ddddb
more uniform handling of binding in targets and derived elements;
wenzelm
parents:
30335
diff
changeset

732 
val _ = 
10a67c5ddddb
more uniform handling of binding in targets and derived elements;
wenzelm
parents:
30335
diff
changeset

733 
if null extraTs then () 
10a67c5ddddb
more uniform handling of binding in targets and derived elements;
wenzelm
parents:
30335
diff
changeset

734 
else warning ("Additional type variable(s) in locale specification " ^ quote (Binding.str_of bname)); 
28795  735 

29035  736 
val a_satisfy = Element.satisfy_morphism a_axioms; 
737 
val b_satisfy = Element.satisfy_morphism b_axioms; 

28903
b3fc3a62247a
Intro_locales_tac to simplify goals involving locale predicates.
ballarin
parents:
28902
diff
changeset

738 

28895  739 
val params = fixed @ 
28872  740 
(body_elems > map_filter (fn Fixes fixes => SOME fixes  _ => NONE) > flat); 
28903
b3fc3a62247a
Intro_locales_tac to simplify goals involving locale predicates.
ballarin
parents:
28902
diff
changeset

741 
val asm = if is_some b_statement then b_statement else a_statement; 
29028
b5dad96c755a
When adding locales, delay notes until local theory is built.
ballarin
parents:
29022
diff
changeset

742 

b5dad96c755a
When adding locales, delay notes until local theory is built.
ballarin
parents:
29022
diff
changeset

743 
val notes = 
30725
c23a5b3cd1b9
register_locale: produce stamps at the spot where elements are registered;
wenzelm
parents:
30585
diff
changeset

744 
if is_some asm 
c23a5b3cd1b9
register_locale: produce stamps at the spot where elements are registered;
wenzelm
parents:
30585
diff
changeset

745 
then [(Thm.internalK, [((Binding.suffix_name ("_" ^ axiomsN) bname, []), 
c23a5b3cd1b9
register_locale: produce stamps at the spot where elements are registered;
wenzelm
parents:
30585
diff
changeset

746 
[([Assumption.assume (cterm_of thy' (the asm))], 
c23a5b3cd1b9
register_locale: produce stamps at the spot where elements are registered;
wenzelm
parents:
30585
diff
changeset

747 
[(Attrib.internal o K) Locale.witness_add])])])] 
c23a5b3cd1b9
register_locale: produce stamps at the spot where elements are registered;
wenzelm
parents:
30585
diff
changeset

748 
else []; 
28795  749 

29035  750 
val notes' = body_elems > 
751 
map (defines_to_notes thy') > 

752 
map (Element.morph_ctxt a_satisfy) > 

753 
(fn elems => fold_map assumes_to_notes elems (map Element.conclude_witness a_axioms)) > 

754 
fst > 

755 
map (Element.morph_ctxt b_satisfy) > 

756 
map_filter (fn Notes notes => SOME notes  _ => NONE); 

757 

758 
val deps' = map (fn (l, morph) => (l, morph $> b_satisfy)) deps; 

29441  759 
val axioms = map Element.conclude_witness b_axioms; 
28872  760 

29358  761 
val loc_ctxt = thy' 
29360  762 
> Locale.register_locale bname (extraTs, params) 
30725
c23a5b3cd1b9
register_locale: produce stamps at the spot where elements are registered;
wenzelm
parents:
30585
diff
changeset

763 
(asm, rev defs) (a_intro, b_intro) axioms ([], []) (rev notes) (rev deps') 
29358  764 
> TheoryTarget.init (SOME name) 
765 
> fold (fn (kind, facts) => LocalTheory.notes kind facts #> snd) notes'; 

29028
b5dad96c755a
When adding locales, delay notes until local theory is built.
ballarin
parents:
29022
diff
changeset

766 

29358  767 
in (name, loc_ctxt) end; 
28795  768 

769 
in 

770 

29501
08df2e51cb80
added cert_read_declaration; more exports; tuned signature
haftmann
parents:
29496
diff
changeset

771 
val add_locale = gen_add_locale cert_declaration; 
28902
2019bcc9d8bf
Ahere to modern naming conventions; proper treatment of internal vs external names.
ballarin
parents:
28898
diff
changeset

772 
val add_locale_cmd = gen_add_locale read_declaration; 
28795  773 

774 
end; 

775 

28895  776 

777 
(*** Interpretation ***) 

778 

779 
(** Interpretation between locales: declaring sublocale relationships **) 

780 

781 
local 

782 

29578  783 
fun gen_sublocale prep_expr intern raw_target expression thy = 
28895  784 
let 
28902
2019bcc9d8bf
Ahere to modern naming conventions; proper treatment of internal vs external names.
ballarin
parents:
28898
diff
changeset

785 
val target = intern thy raw_target; 
29360  786 
val target_ctxt = Locale.init target thy; 
28895  787 

28903
b3fc3a62247a
Intro_locales_tac to simplify goals involving locale predicates.
ballarin
parents:
28902
diff
changeset

788 
val ((propss, deps, export), goal_ctxt) = prep_expr expression target_ctxt; 
30344
10a67c5ddddb
more uniform handling of binding in targets and derived elements;
wenzelm
parents:
30335
diff
changeset

789 

30725
c23a5b3cd1b9
register_locale: produce stamps at the spot where elements are registered;
wenzelm
parents:
30585
diff
changeset

790 
fun after_qed witss = ProofContext.theory 
c23a5b3cd1b9
register_locale: produce stamps at the spot where elements are registered;
wenzelm
parents:
30585
diff
changeset

791 
(fold2 (fn (name, morph) => fn wits => Locale.add_dependency target 
29578  792 
(name, morph $> Element.satisfy_morphism wits $> export)) deps witss #> 
793 
(fn thy => fold_rev Locale.activate_global_facts 

30725
c23a5b3cd1b9
register_locale: produce stamps at the spot where elements are registered;
wenzelm
parents:
30585
diff
changeset

794 
(Locale.get_registrations thy) thy)); 
29578  795 
in Element.witness_proof after_qed propss goal_ctxt end; 
28895  796 

797 
in 

798 

29501
08df2e51cb80
added cert_read_declaration; more exports; tuned signature
haftmann
parents:
29496
diff
changeset

799 
fun sublocale x = gen_sublocale cert_goal_expression (K I) x; 
29360  800 
fun sublocale_cmd x = gen_sublocale read_goal_expression Locale.intern x; 
28895  801 

28795  802 
end; 
28895  803 

29018  804 

28993
829e684b02ef
Interpretation in theories including interaction with subclass relation.
ballarin
parents:
28951
diff
changeset

805 
(** Interpretation in theories **) 
829e684b02ef
Interpretation in theories including interaction with subclass relation.
ballarin
parents:
28951
diff
changeset

806 

829e684b02ef
Interpretation in theories including interaction with subclass relation.
ballarin
parents:
28951
diff
changeset

807 
local 
829e684b02ef
Interpretation in theories including interaction with subclass relation.
ballarin
parents:
28951
diff
changeset

808 

29211  809 
fun gen_interpretation prep_expr parse_prop prep_attr 
29496  810 
expression equations theory = 
28993
829e684b02ef
Interpretation in theories including interaction with subclass relation.
ballarin
parents:
28951
diff
changeset

811 
let 
29496  812 
val ((propss, regs, export), expr_ctxt) = ProofContext.init theory 
813 
> prep_expr expression; 

29441  814 

29211  815 
val eqns = map (parse_prop expr_ctxt o snd) equations > Syntax.check_terms expr_ctxt; 
29496  816 
val eq_attns = map ((apsnd o map) (prep_attr theory) o fst) equations; 
29211  817 
val goal_ctxt = fold Variable.auto_fixes eqns expr_ctxt; 
818 
val export' = Variable.export_morphism goal_ctxt expr_ctxt; 

29210
4025459e3f83
Interpretation in theories: first version with equations.
ballarin
parents:
29208
diff
changeset

819 

29578  820 
fun store_reg ((name, morph), wits) thy = 
29441  821 
let 
29578  822 
val wits' = map (Element.morph_witness export') wits; 
823 
val morph' = morph $> Element.satisfy_morphism wits'; 

29441  824 
in 
825 
thy 

826 
> Locale.add_registration (name, (morph', export)) 

827 
> pair (name, morph') 

828 
end; 

829 

830 
fun store_eqns_activate regs [] thy = 

831 
thy 

832 
> fold (fn (name, morph) => 

833 
Locale.activate_global_facts (name, morph $> export)) regs 

29578  834 
 store_eqns_activate regs eqs thy = 
29441  835 
let 
29578  836 
val eqs' = eqs > map (Morphism.thm (export' $> export) #> 
29441  837 
LocalDefs.meta_rewrite_rule (ProofContext.init thy) #> 
838 
Drule.abs_def); 

29578  839 
val eq_morph = Element.eq_morphism thy eqs'; 
29441  840 
val eq_attns' = map ((apsnd o map) (Attrib.attribute_i thy)) eq_attns; 
841 
in 

842 
thy 

843 
> fold (fn (name, morph) => 

844 
Locale.amend_registration eq_morph (name, morph) #> 

845 
Locale.activate_global_facts (name, morph $> eq_morph $> export)) regs 

29578  846 
> PureThy.note_thmss Thm.lemmaK (eq_attns' ~~ map (fn eq => [([eq], [])]) eqs') 
29441  847 
> snd 
848 
end; 

849 

29578  850 
fun after_qed wits eqs = ProofContext.theory (fold_map store_reg (regs ~~ wits) 
851 
#> (fn regs => store_eqns_activate regs eqs)); 

29441  852 

29578  853 
in Element.witness_proof_eqs after_qed propss eqns goal_ctxt end; 
28993
829e684b02ef
Interpretation in theories including interaction with subclass relation.
ballarin
parents:
28951
diff
changeset

854 

829e684b02ef
Interpretation in theories including interaction with subclass relation.
ballarin
parents:
28951
diff
changeset

855 
in 
829e684b02ef
Interpretation in theories including interaction with subclass relation.
ballarin
parents:
28951
diff
changeset

856 

29501
08df2e51cb80
added cert_read_declaration; more exports; tuned signature
haftmann
parents:
29496
diff
changeset

857 
fun interpretation x = gen_interpretation cert_goal_expression (K I) (K I) x; 
29210
4025459e3f83
Interpretation in theories: first version with equations.
ballarin
parents:
29208
diff
changeset

858 
fun interpretation_cmd x = gen_interpretation read_goal_expression 
29211  859 
Syntax.parse_prop Attrib.intern_src x; 
28895  860 

861 
end; 

28903
b3fc3a62247a
Intro_locales_tac to simplify goals involving locale predicates.
ballarin
parents:
28902
diff
changeset

862 

29018  863 

864 
(** Interpretation in proof contexts **) 

865 

866 
local 

867 

868 
fun gen_interpret prep_expr 

869 
expression int state = 

870 
let 

871 
val _ = Proof.assert_forward_or_chain state; 

872 
val ctxt = Proof.context_of state; 

873 

874 
val ((propss, regs, export), goal_ctxt) = prep_expr expression ctxt; 

30344
10a67c5ddddb
more uniform handling of binding in targets and derived elements;
wenzelm
parents:
30335
diff
changeset

875 

29578  876 
fun store_reg (name, morph) thms = 
29018  877 
let 
878 
val morph' = morph $> Element.satisfy_morphism thms $> export; 

29578  879 
in Locale.activate_local_facts (name, morph') end; 
29018  880 

29578  881 
fun after_qed wits = 
882 
Proof.map_context (fold2 store_reg regs wits); 

29018  883 
in 
29578  884 
state 
885 
> Element.witness_local_proof after_qed "interpret" propss goal_ctxt int 

29018  886 
end; 
887 

888 
in 

889 

29501
08df2e51cb80
added cert_read_declaration; more exports; tuned signature
haftmann
parents:
29496
diff
changeset

890 
fun interpret x = gen_interpret cert_goal_expression x; 
29018  891 
fun interpret_cmd x = gen_interpret read_goal_expression x; 
892 

28993
829e684b02ef
Interpretation in theories including interaction with subclass relation.
ballarin
parents:
28951
diff
changeset

893 
end; 
829e684b02ef
Interpretation in theories including interaction with subclass relation.
ballarin
parents:
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changeset

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896 