author  wenzelm 
Wed, 30 Sep 2009 22:24:57 +0200  
changeset 32785  ec5292653aff 
parent 32512  d14762642cdd 
child 32807  c4f03b0cb753 
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 > (((string * typ) * 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 > (((string * typ) * 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 > (((string * typ) * 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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29214  62 
type 'term expr = (string * ((string * bool) * 'term map)) list; 
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29578  64 
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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(case duplicates (op =) xs of 
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[] => () 
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 dups => error (message ^ commas dups)); 
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fun parm_eq ((p1: string, mx1: mixfix), (p2, mx2)) = p1 = p2 andalso 
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(mx1 = mx2 orelse error ("Conflicting syntax for parameter " ^ quote p1 ^ " in expression")); 
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fun params_loc loc = Locale.params_of thy loc > map (apfst #1); 
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fun params_inst (loc, (prfx, Positional insts)) = 
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let 
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val ps = 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 (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' = (insts, params_loc loc) > fold (fn (p, _) => fn ps => 
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if AList.defined (op =) ps p then AList.delete (op =) p ps 
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else error (quote p ^ " not a parameter of instantiated expression")); 
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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 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 (x, mx) => (Binding.name x, 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, mandatory), 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 mandatory 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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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  223 

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224 
fun restore_elem (Fixes fixes, css) = 
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(fixes ~~ css) > map (fn ((x, _, mx), cs) => 
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(x, cs > map dest_type > try hd, mx)) > Fixes 
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 restore_elem (Constrains csts, css) = 
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(csts ~~ css) > map (fn ((x, _), cs) => 
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229 
(x, cs > map dest_type > hd)) > Constrains 
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230 
 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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232 
 restore_elem (Defines defs, css) = 
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(defs ~~ css) > map (fn ((b, _), [c]) => (b, dest_propp c)) > Defines 
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234 
 restore_elem (Notes notes, _) = Notes notes; 
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235 

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236 
fun check cs context = 
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237 
let 
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238 
fun prep (_, pats) (ctxt, t :: ts) = 
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239 
let val ctxt' = Variable.auto_fixes t ctxt 
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240 
in 
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241 
((t, Syntax.check_props (ProofContext.set_mode ProofContext.mode_pattern ctxt') pats), 
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(ctxt', ts)) 
30776  243 
end; 
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244 
val (cs', (context', _)) = fold_map prep cs 
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245 
(context, Syntax.check_terms 
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246 
(ProofContext.set_mode ProofContext.mode_schematic context) (map fst cs)); 
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247 
in (cs', context') end; 
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248 

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249 
in 
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250 

28872  251 
fun check_autofix insts elems concl ctxt = 
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let 
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253 
val inst_cs = map extract_inst insts; 
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254 
val elem_css = map extract_elem elems; 
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255 
val concl_cs = (map o map) mk_propp concl; 
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256 
(* Type inference *) 
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257 
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 
30776  261 
(map restore_inst (insts ~~ inst_cs'), 
262 
map restore_elem (elems ~~ elem_css'), 

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concl_cs', ctxt') 
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264 
end; 
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265 

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end; 
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267 

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268 

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269 
(** Prepare locale elements **) 
28795  270 

271 
fun declare_elem prep_vars (Fixes fixes) ctxt = 

272 
let val (vars, _) = prep_vars fixes ctxt 

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in ctxt > ProofContext.add_fixes vars > snd end 
28795  274 
 declare_elem prep_vars (Constrains csts) ctxt = 
28965  275 
ctxt > prep_vars (map (fn (x, T) => (Binding.name x, SOME T, NoSyn)) csts) > snd 
28872  276 
 declare_elem _ (Assumes _) ctxt = ctxt 
277 
 declare_elem _ (Defines _) ctxt = ctxt 

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278 
 declare_elem _ (Notes _) ctxt = ctxt; 
28795  279 

30776  280 

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281 
(** Finish locale elements **) 
28795  282 

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283 
fun closeup _ _ false elem = elem 
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284 
 closeup ctxt parms true elem = 
28795  285 
let 
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286 
(* FIXME consider closing in syntactic phase  before type checking *) 
28795  287 
fun close_frees t = 
288 
let 

289 
val rev_frees = 

290 
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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292 
in fold (Logic.all o Free) rev_frees t end; 
28795  293 

294 
fun no_binds [] = [] 

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295 
 no_binds _ = error "Illegal term bindings in context element"; 
28795  296 
in 
297 
(case elem of 

298 
Assumes asms => Assumes (asms > map (fn (a, propps) => 

299 
(a, map (fn (t, ps) => (close_frees t, no_binds ps)) propps))) 

29022  300 
 Defines defs => Defines (defs > map (fn ((name, atts), (t, ps)) => 
301 
let val ((c, _), t') = LocalDefs.cert_def ctxt (close_frees t) 

30434  302 
in ((Thm.def_binding_optional (Binding.name c) name, atts), (t', no_binds ps)) end)) 
28795  303 
 e => e) 
304 
end; 

305 

28872  306 
fun finish_primitive parms _ (Fixes fixes) = Fixes (map (fn (binding, _, mx) => 
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307 
let val x = Binding.name_of binding 
28795  308 
in (binding, AList.lookup (op =) parms x, mx) end) fixes) 
28872  309 
 finish_primitive _ _ (Constrains _) = Constrains [] 
310 
 finish_primitive _ close (Assumes asms) = close (Assumes asms) 

311 
 finish_primitive _ close (Defines defs) = close (Defines defs) 

312 
 finish_primitive _ _ (Notes facts) = Notes facts; 

313 

32785  314 
fun finish_inst ctxt (loc, (prfx, inst)) = 
28872  315 
let 
316 
val thy = ProofContext.theory_of ctxt; 

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317 
val (parm_names, parm_types) = Locale.params_of thy loc > map #1 > split_list; 
28872  318 
val (morph, _) = inst_morph (parm_names, parm_types) (prfx, inst) ctxt; 
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319 
in (loc, morph) end; 
28795  320 

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321 
fun finish_elem ctxt parms do_close elem = 
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322 
finish_primitive parms (closeup ctxt parms do_close) elem; 
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323 

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324 
fun finish ctxt parms do_close insts elems = 
28872  325 
let 
32785  326 
val deps = map (finish_inst ctxt) insts; 
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327 
val elems' = map (finish_elem ctxt parms do_close) elems; 
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328 
in (deps, elems') end; 
28795  329 

330 

28895  331 
(** Process full context statement: instantiations + elements + conclusion **) 
332 

333 
(* Interleave incremental parsing and type inference over entire parsed stretch. *) 

334 

28795  335 
local 
336 

29797  337 
fun prep_full_context_statement parse_typ parse_prop prep_vars_elem prep_inst prep_vars_inst prep_expr 
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338 
{strict, do_close, fixed_frees} raw_import init_body raw_elems raw_concl ctxt1 = 
28795  339 
let 
29358  340 
val thy = ProofContext.theory_of ctxt1; 
28872  341 

28895  342 
val (raw_insts, fixed) = parameters_of thy strict (apfst (prep_expr thy) raw_import); 
343 

30778  344 
fun prep_insts_cumulative (loc, (prfx, inst)) (i, insts, ctxt) = 
28872  345 
let 
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346 
val (parm_names, parm_types) = Locale.params_of thy loc > map #1 > split_list; 
29797  347 
val inst' = prep_inst ctxt parm_names inst; 
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348 
val parm_types' = map (TypeInfer.paramify_vars o 
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349 
Term.map_type_tvar (fn ((x, _), S) => TVar ((x, i), S)) o Logic.varifyT) parm_types; 
28872  350 
val inst'' = map2 TypeInfer.constrain parm_types' inst'; 
351 
val insts' = insts @ [(loc, (prfx, inst''))]; 

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352 
val (insts'', _, _, ctxt' (* FIXME not used *) ) = check_autofix insts' [] [] ctxt; 
28872  353 
val inst''' = insts'' > List.last > snd > snd; 
354 
val (morph, _) = inst_morph (parm_names, parm_types) (prfx, inst''') ctxt; 

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355 
val ctxt'' = Locale.activate_declarations (loc, morph) ctxt; 
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356 
in (i + 1, insts', ctxt'') end; 
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357 

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358 
fun prep_elem insts raw_elem (elems, ctxt) = 
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359 
let 
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360 
val ctxt' = declare_elem prep_vars_elem raw_elem ctxt; 
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361 
val elems' = elems @ [parse_elem parse_typ parse_prop ctxt' raw_elem]; 
30778  362 
val (_, _, _, ctxt'' (* FIXME not used *) ) = check_autofix insts elems' [] ctxt'; 
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363 
in (elems', ctxt') end; 
28795  364 

28872  365 
fun prep_concl raw_concl (insts, elems, ctxt) = 
28795  366 
let 
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367 
val concl = parse_concl parse_prop ctxt raw_concl; 
28872  368 
in check_autofix insts elems concl ctxt end; 
28795  369 

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370 
val fors = prep_vars_inst fixed ctxt1 > fst; 
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371 
val ctxt2 = ctxt1 > ProofContext.add_fixes fors > snd; 
30778  372 
val (_, insts', ctxt3) = fold prep_insts_cumulative raw_insts (0, [], ctxt2); 
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373 

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374 
val add_free = fold_aterms 
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375 
(fn Free (x, T) => not (Variable.is_fixed ctxt3 x) ? insert (op =) (x, T)  _ => I); 
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376 
val _ = 
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377 
if fixed_frees then () 
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378 
else 
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379 
(case fold (fold add_free o snd o snd) insts' [] of 
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380 
[] => () 
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381 
 frees => error ("Illegal free variables in expression: " ^ 
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382 
commas_quote (map (Syntax.string_of_term ctxt3 o Free) (rev frees)))); 
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383 

29702  384 
val ctxt4 = init_body ctxt3; 
385 
val (elems, ctxt5) = fold (prep_elem insts') raw_elems ([], ctxt4); 

30778  386 
val (insts, elems', concl, ctxt6) = prep_concl raw_concl (insts', elems, ctxt5); 
28795  387 

28872  388 
(* Retrieve parameter types *) 
30585
6b2ba4666336
use Name.of_binding for basic logical entities without name space (fixes, case names etc.);
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389 
val xs = fold (fn Fixes fixes => (fn ps => ps @ map (Name.of_binding o #1) fixes) 
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390 
 _ => fn ps => ps) (Fixes fors :: elems') []; 
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391 
val (Ts, ctxt7) = fold_map ProofContext.inferred_param xs ctxt6; 
28895  392 
val parms = xs ~~ Ts; (* params from expression and elements *) 
28795  393 

28872  394 
val Fixes fors' = finish_primitive parms I (Fixes fors); 
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395 
val fixed = map (fn (b, SOME T, mx) => ((Binding.name_of b, T), mx)) fors'; 
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396 
val (deps, elems'') = finish ctxt6 parms do_close insts elems'; 
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397 

30755
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changeset

398 
in ((fixed, deps, elems'', concl), (parms, ctxt7)) end 
28795  399 

400 
in 

401 

29501
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402 
fun cert_full_context_statement x = 
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403 
prep_full_context_statement (K I) (K I) ProofContext.cert_vars 
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changeset

404 
make_inst ProofContext.cert_vars (K I) x; 
30776  405 

29501
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changeset

406 
fun cert_read_full_context_statement x = 
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changeset

407 
prep_full_context_statement Syntax.parse_typ Syntax.parse_prop ProofContext.read_vars 
08df2e51cb80
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haftmann
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changeset

408 
make_inst ProofContext.cert_vars (K I) x; 
30776  409 

28895  410 
fun read_full_context_statement x = 
29501
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added cert_read_declaration; more exports; tuned signature
haftmann
parents:
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changeset

411 
prep_full_context_statement Syntax.parse_typ Syntax.parse_prop ProofContext.read_vars 
08df2e51cb80
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parents:
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changeset

412 
parse_inst ProofContext.read_vars intern x; 
28795  413 

414 
end; 

415 

416 

28898
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417 
(* Context statement: elements + conclusion *) 
28795  418 

419 
local 

420 

28898
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421 
fun prep_statement prep activate raw_elems raw_concl context = 
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422 
let 
29358  423 
val ((_, _, elems, concl), _) = 
30786
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424 
prep {strict = true, do_close = false, fixed_frees = true} 
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changeset

425 
([], []) I raw_elems raw_concl context; 
29501
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added cert_read_declaration; more exports; tuned signature
haftmann
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426 
val (_, context') = context > 
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added cert_read_declaration; more exports; tuned signature
haftmann
parents:
29496
diff
changeset

427 
ProofContext.set_stmt true > 
30777
9960ff945c52
simplified Element.activate(_i): singleton version;
wenzelm
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30776
diff
changeset

428 
fold_map activate elems; 
28898
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ballarin
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429 
in (concl, context') end; 
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parents:
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diff
changeset

430 

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

431 
in 
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Proper treatment of expressions with free arguments.
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432 

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added cert_read_declaration; more exports; tuned signature
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433 
fun cert_statement x = prep_statement cert_full_context_statement Element.activate_i x; 
28898
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434 
fun read_statement x = prep_statement read_full_context_statement Element.activate x; 
530c7d28a962
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diff
changeset

435 

530c7d28a962
Proper treatment of expressions with free arguments.
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436 
end; 
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Proper treatment of expressions with free arguments.
ballarin
parents:
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diff
changeset

437 

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

438 

530c7d28a962
Proper treatment of expressions with free arguments.
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439 
(* Locale declaration: import + elements *) 
530c7d28a962
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440 

30755
7ef503d216c2
simplified internal locale parameters: maintain proper name and type, instead of binding and constraint;
wenzelm
parents:
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diff
changeset

441 
fun fix_params params = 
30763
6976521b4263
renamed ProofContext.add_fixes_i to ProofContext.add_fixes, eliminated obsolete external version;
wenzelm
parents:
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diff
changeset

442 
ProofContext.add_fixes (map (fn ((x, T), mx) => (Binding.name x, SOME T, mx)) params) #> snd; 
30755
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simplified internal locale parameters: maintain proper name and type, instead of binding and constraint;
wenzelm
parents:
30725
diff
changeset

443 

28898
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Proper treatment of expressions with free arguments.
ballarin
parents:
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diff
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444 
local 
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Proper treatment of expressions with free arguments.
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445 

29702  446 
fun prep_declaration prep activate raw_import init_body raw_elems context = 
28795  447 
let 
29358  448 
val ((fixed, deps, elems, _), (parms, ctxt')) = 
30786
461f7b5f16a2
prep_full_context_statement: explicit record of flags;
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diff
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449 
prep {strict = false, do_close = true, fixed_frees = false} 
461f7b5f16a2
prep_full_context_statement: explicit record of flags;
wenzelm
parents:
30784
diff
changeset

450 
raw_import init_body raw_elems [] context; 
28898
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Proper treatment of expressions with free arguments.
ballarin
parents:
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diff
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451 
(* Declare parameters and imported facts *) 
530c7d28a962
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ballarin
parents:
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diff
changeset

452 
val context' = context > 
30755
7ef503d216c2
simplified internal locale parameters: maintain proper name and type, instead of binding and constraint;
wenzelm
parents:
30725
diff
changeset

453 
fix_params fixed > 
30764
3e3e7aa0cc7a
simplified Locale.activate operations, using generic context;
wenzelm
parents:
30763
diff
changeset

454 
fold (Context.proof_map o Locale.activate_facts) deps; 
29501
08df2e51cb80
added cert_read_declaration; more exports; tuned signature
haftmann
parents:
29496
diff
changeset

455 
val (elems', _) = context' > 
08df2e51cb80
added cert_read_declaration; more exports; tuned signature
haftmann
parents:
29496
diff
changeset

456 
ProofContext.set_stmt true > 
30777
9960ff945c52
simplified Element.activate(_i): singleton version;
wenzelm
parents:
30776
diff
changeset

457 
fold_map activate elems; 
29221
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Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
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diff
changeset

458 
in ((fixed, deps, elems'), (parms, ctxt')) end; 
28795  459 

460 
in 

461 

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

462 
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

463 
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:
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diff
changeset

464 
fun read_declaration x = prep_declaration read_full_context_statement Element.activate x; 
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
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diff
changeset

465 

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

467 

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

468 

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

469 
(* Locale expression to set up a goal *) 
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
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diff
changeset

470 

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

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

472 

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

473 
fun props_of thy (name, morph) = 
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
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changeset

474 
let 
29360  475 
val (asm, defs) = Locale.specification_of thy name; 
28898
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
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diff
changeset

476 
in 
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
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diff
changeset

477 
(case asm of NONE => defs  SOME asm => asm :: defs) > map (Morphism.term morph) 
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
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diff
changeset

478 
end; 
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
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changeset

479 

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

480 
fun prep_goal_expression prep expression context = 
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
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481 
let 
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
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diff
changeset

482 
val thy = ProofContext.theory_of context; 
28879  483 

29358  484 
val ((fixed, deps, _, _), _) = 
30786
461f7b5f16a2
prep_full_context_statement: explicit record of flags;
wenzelm
parents:
30784
diff
changeset

485 
prep {strict = true, do_close = true, fixed_frees = true} expression I [] [] context; 
28898
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

486 
(* proof obligations *) 
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

487 
val propss = map (props_of thy) deps; 
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

488 

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

489 
val goal_ctxt = context > 
30755
7ef503d216c2
simplified internal locale parameters: maintain proper name and type, instead of binding and constraint;
wenzelm
parents:
30725
diff
changeset

490 
fix_params fixed > 
28898
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

491 
(fold o fold) Variable.auto_fixes propss; 
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

492 

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

493 
val export = Variable.export_morphism goal_ctxt context; 
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

494 
val exp_fact = Drule.zero_var_indexes_list o map Thm.strip_shyps o Morphism.fact export; 
31977  495 
val exp_term = Term_Subst.zero_var_indexes o Morphism.term export; 
28898
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

496 
val exp_typ = Logic.type_map exp_term; 
29604  497 
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

498 
in ((propss, deps, export'), goal_ctxt) end; 
30344
10a67c5ddddb
more uniform handling of binding in targets and derived elements;
wenzelm
parents:
30335
diff
changeset

499 

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

500 
in 
530c7d28a962
Proper treatment of expressions with free arguments.
ballarin
parents:
28895
diff
changeset

501 

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

502 
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

503 
fun read_goal_expression x = prep_goal_expression read_full_context_statement x; 
28879  504 

28795  505 
end; 
506 

507 

508 
(*** Locale declarations ***) 

509 

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

510 
(* extract specification text *) 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

511 

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

512 
val norm_term = Envir.beta_norm oo Term.subst_atomic; 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

513 

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

514 
fun bind_def ctxt eq (xs, env, eqs) = 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

515 
let 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

516 
val _ = LocalDefs.cert_def ctxt eq; 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

517 
val ((y, T), b) = LocalDefs.abs_def eq; 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

518 
val b' = norm_term env b; 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

519 
fun err msg = error (msg ^ ": " ^ quote y); 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

520 
in 
29250
96b1b4d5157d
More liberal consistency check for defines elements.
ballarin
parents:
29248
diff
changeset

521 
case filter (fn (Free (y', _), _) => y = y'  _ => false) env of 
96b1b4d5157d
More liberal consistency check for defines elements.
ballarin
parents:
29248
diff
changeset

522 
[] => (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

523 
dups => if forall (fn (_, b'') => b' aconv b'') dups 
96b1b4d5157d
More liberal consistency check for defines elements.
ballarin
parents:
29248
diff
changeset

524 
then (xs, env, eqs) 
96b1b4d5157d
More liberal consistency check for defines elements.
ballarin
parents:
29248
diff
changeset

525 
else err "Attempt to redefine variable" 
29221
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

526 
end; 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

527 

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

528 
(* text has the following structure: 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

529 
(((exts, exts'), (ints, ints')), (xs, env, defs)) 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

530 
where 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

531 
exts: external assumptions (terms in assumes elements) 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

532 
exts': dito, normalised wrt. env 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

533 
ints: internal assumptions (terms in assumptions from insts) 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

534 
ints': dito, normalised wrt. env 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

535 
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

536 
this includes parameters except defined parameters 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

537 
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

538 
is a free variable; substitutions represent defines elements and 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

539 
the rhs is normalised wrt. the previous env 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

540 
defs: the equations from the defines elements 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

541 
*) 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

542 

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

543 
fun eval_text _ _ (Fixes _) text = text 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

544 
 eval_text _ _ (Constrains _) text = text 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

545 
 eval_text _ is_ext (Assumes asms) 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

546 
(((exts, exts'), (ints, ints')), (xs, env, defs)) = 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

547 
let 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

548 
val ts = maps (map #1 o #2) asms; 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

549 
val ts' = map (norm_term env) ts; 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

550 
val spec' = 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

551 
if is_ext then ((exts @ ts, exts' @ ts'), (ints, ints')) 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

552 
else ((exts, exts'), (ints @ ts, ints' @ ts')); 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

553 
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

554 
 eval_text ctxt _ (Defines defs) (spec, binds) = 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

555 
(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

556 
 eval_text _ _ (Notes _) text = text; 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

557 

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

558 
fun eval_inst ctxt (loc, morph) text = 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

559 
let 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

560 
val thy = ProofContext.theory_of ctxt; 
29360  561 
val (asm, defs) = Locale.specification_of thy loc; 
29221
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

562 
val asm' = Option.map (Morphism.term morph) asm; 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

563 
val defs' = map (Morphism.term morph) defs; 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

564 
val text' = text > 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

565 
(if is_some asm 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

566 
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

567 
else I) > 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

568 
(if not (null defs) 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

569 
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

570 
else I) 
29360  571 
(* FIXME clone from locale.ML *) 
29221
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

572 
in text' end; 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

573 

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

574 
fun eval_elem ctxt elem text = 
30725
c23a5b3cd1b9
register_locale: produce stamps at the spot where elements are registered;
wenzelm
parents:
30585
diff
changeset

575 
eval_text ctxt true elem text; 
29221
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

576 

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

577 
fun eval ctxt deps elems = 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

578 
let 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

579 
val text' = fold (eval_inst ctxt) deps ((([], []), ([], [])), ([], [], [])); 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

580 
val ((spec, (_, _, defs))) = fold (eval_elem ctxt) elems text'; 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

581 
in (spec, defs) end; 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

582 

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

583 
(* 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

584 
also name suffix of delta predicates and assumptions. *) 
b3fc3a62247a
Intro_locales_tac to simplify goals involving locale predicates.
ballarin
parents:
28902
diff
changeset

585 

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

586 
val axiomsN = "axioms"; 
b3fc3a62247a
Intro_locales_tac to simplify goals involving locale predicates.
ballarin
parents:
28902
diff
changeset

587 

28795  588 
local 
589 

590 
(* 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

591 
delta predicates *) 
28795  592 

593 
val introN = "intro"; 

594 

595 
fun atomize_spec thy ts = 

596 
let 

597 
val t = Logic.mk_conjunction_balanced ts; 

598 
val body = ObjectLogic.atomize_term thy t; 

599 
val bodyT = Term.fastype_of body; 

600 
in 

601 
if bodyT = propT then (t, propT, Thm.reflexive (Thm.cterm_of thy t)) 

602 
else (body, bodyT, ObjectLogic.atomize (Thm.cterm_of thy t)) 

603 
end; 

604 

605 
(* achieve plain syntax for locale predicates (without "PROP") *) 

606 

607 
fun aprop_tr' n c = (Syntax.constN ^ c, fn ctxt => fn args => 

608 
if length args = n then 

609 
Syntax.const "_aprop" $ 

610 
Term.list_comb (Syntax.free (Consts.extern (ProofContext.consts_of ctxt) c), args) 

611 
else raise Match); 

612 

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

613 
(* define one predicate including its intro rule and axioms 
28795  614 
 bname: predicate name 
615 
 parms: locale parameters 

616 
 defs: thms representing substitutions from defines elements 

617 
 ts: terms representing locale assumptions (not normalised wrt. defs) 

618 
 norm_ts: terms representing locale assumptions (normalised wrt. defs) 

619 
 thy: the theory 

620 
*) 

621 

622 
fun def_pred bname parms defs ts norm_ts thy = 

623 
let 

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

624 
val name = Sign.full_name thy bname; 
28795  625 

626 
val (body, bodyT, body_eq) = atomize_spec thy norm_ts; 

29272  627 
val env = Term.add_free_names body []; 
28795  628 
val xs = filter (member (op =) env o #1) parms; 
629 
val Ts = map #2 xs; 

29272  630 
val extraTs = 
631 
(Term.add_tfrees body [] \\ fold Term.add_tfreesT Ts []) 

28795  632 
> Library.sort_wrt #1 > map TFree; 
633 
val predT = map Term.itselfT extraTs > Ts > bodyT; 

634 

635 
val args = map Logic.mk_type extraTs @ map Free xs; 

636 
val head = Term.list_comb (Const (name, predT), args); 

637 
val statement = ObjectLogic.ensure_propT thy head; 

638 

639 
val ([pred_def], defs_thy) = 

640 
thy 

641 
> 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

642 
> Sign.declare_const [] ((bname, predT), NoSyn) > snd 
28795  643 
> PureThy.add_defs false 
30344
10a67c5ddddb
more uniform handling of binding in targets and derived elements;
wenzelm
parents:
30335
diff
changeset

644 
[((Binding.map_name Thm.def_name bname, Logic.mk_equals (head, body)), [Thm.kind_internal])]; 
28795  645 
val defs_ctxt = ProofContext.init defs_thy > Variable.declare_term head; 
646 

647 
val cert = Thm.cterm_of defs_thy; 

648 

649 
val intro = Goal.prove_global defs_thy [] norm_ts statement (fn _ => 

650 
MetaSimplifier.rewrite_goals_tac [pred_def] THEN 

651 
Tactic.compose_tac (false, body_eq RS Drule.equal_elim_rule1, 1) 1 THEN 

652 
Tactic.compose_tac (false, 

653 
Conjunction.intr_balanced (map (Thm.assume o cert) norm_ts), 0) 1); 

654 

655 
val conjuncts = 

656 
(Drule.equal_elim_rule2 OF [body_eq, 

657 
MetaSimplifier.rewrite_rule [pred_def] (Thm.assume (cert statement))]) 

658 
> Conjunction.elim_balanced (length ts); 

659 
val axioms = ts ~~ conjuncts > map (fn (t, ax) => 

660 
Element.prove_witness defs_ctxt t 

661 
(MetaSimplifier.rewrite_goals_tac defs THEN 

662 
Tactic.compose_tac (false, ax, 0) 1)); 

663 
in ((statement, intro, axioms), defs_thy) end; 

664 

665 
in 

666 

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

667 
(* main predicate definition function *) 
28795  668 

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

669 
fun define_preds pname parms (((exts, exts'), (ints, ints')), defs) thy = 
28795  670 
let 
30762
cabf9ff3a129
define_prefs: removed redundant Drule.gen_all, which is already part of the norm_hhf stage of Assumption.assume;
wenzelm
parents:
30755
diff
changeset

671 
val defs' = map (cterm_of thy #> Assumption.assume #> Drule.abs_def) defs; 
29031
e74341997a48
Pass on defines in inheritance; reject illicit defines created by instantiation.
ballarin
parents:
29030
diff
changeset

672 

28795  673 
val (a_pred, a_intro, a_axioms, thy'') = 
674 
if null exts then (NONE, NONE, [], thy) 

675 
else 

676 
let 

30762
cabf9ff3a129
define_prefs: removed redundant Drule.gen_all, which is already part of the norm_hhf stage of Assumption.assume;
wenzelm
parents:
30755
diff
changeset

677 
val aname = if null ints then pname else Binding.suffix_name ("_" ^ axiomsN) pname; 
28795  678 
val ((statement, intro, axioms), thy') = 
679 
thy 

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

680 
> def_pred aname parms defs' exts exts'; 
28795  681 
val (_, thy'') = 
682 
thy' 

30469  683 
> Sign.mandatory_path (Binding.name_of aname) 
28903
b3fc3a62247a
Intro_locales_tac to simplify goals involving locale predicates.
ballarin
parents:
28902
diff
changeset

684 
> PureThy.note_thmss Thm.internalK 
30725
c23a5b3cd1b9
register_locale: produce stamps at the spot where elements are registered;
wenzelm
parents:
30585
diff
changeset

685 
[((Binding.name introN, []), [([intro], [Locale.unfold_add])])] 
28795  686 
> Sign.restore_naming thy'; 
687 
in (SOME statement, SOME intro, axioms, thy'') end; 

688 
val (b_pred, b_intro, b_axioms, thy'''') = 

689 
if null ints then (NONE, NONE, [], thy'') 

690 
else 

691 
let 

692 
val ((statement, intro, axioms), thy''') = 

693 
thy'' 

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

694 
> def_pred pname parms defs' (ints @ the_list a_pred) (ints' @ the_list a_pred); 
28795  695 
val (_, thy'''') = 
696 
thy''' 

30469  697 
> Sign.mandatory_path (Binding.name_of pname) 
28795  698 
> PureThy.note_thmss Thm.internalK 
30725
c23a5b3cd1b9
register_locale: produce stamps at the spot where elements are registered;
wenzelm
parents:
30585
diff
changeset

699 
[((Binding.name introN, []), [([intro], [Locale.intro_add])]), 
28965  700 
((Binding.name axiomsN, []), 
28795  701 
[(map (Drule.standard o Element.conclude_witness) axioms, [])])] 
702 
> Sign.restore_naming thy'''; 

703 
in (SOME statement, SOME intro, axioms, thy'''') end; 

704 
in ((a_pred, a_intro, a_axioms), (b_pred, b_intro, b_axioms), thy'''') end; 

705 

706 
end; 

707 

708 

709 
local 

710 

711 
fun assumes_to_notes (Assumes asms) axms = 

712 
fold_map (fn (a, spec) => fn axs => 

713 
let val (ps, qs) = chop (length spec) axs 

714 
in ((a, [(ps, [])]), qs) end) asms axms 

715 
> apfst (curry Notes Thm.assumptionK) 

716 
 assumes_to_notes e axms = (e, axms); 

717 

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

718 
fun defines_to_notes thy (Defines defs) = 
e74341997a48
Pass on defines in inheritance; reject illicit defines created by instantiation.
ballarin
parents:
29030
diff
changeset

719 
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

720 
(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

721 
[(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

722 
 defines_to_notes _ e = e; 
28795  723 

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

724 
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

725 
bname raw_predicate_bname raw_import raw_body thy = 
28795  726 
let 
30344
10a67c5ddddb
more uniform handling of binding in targets and derived elements;
wenzelm
parents:
30335
diff
changeset

727 
val name = Sign.full_name thy bname; 
29391
1f6e8c00dc3e
tuned signature; changed locale predicate name convention
haftmann
parents:
29362
diff
changeset

728 
val _ = Locale.defined thy name andalso 
28795  729 
error ("Duplicate definition of locale " ^ quote name); 
730 

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

731 
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

732 
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

733 
val text as (((_, exts'), _), defs) = eval ctxt' deps body_elems; 
918687637307
Refactored: evaluate specification text only in locale declarations.
ballarin
parents:
29217
diff
changeset

734 

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

735 
val predicate_bname = 
10a67c5ddddb
more uniform handling of binding in targets and derived elements;
wenzelm
parents:
30335
diff
changeset

736 
if Binding.is_empty raw_predicate_bname then bname 
29391
1f6e8c00dc3e
tuned signature; changed locale predicate name convention
haftmann
parents:
29362
diff
changeset

737 
else raw_predicate_bname; 
28872  738 
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

739 
define_preds predicate_bname parms text thy; 
28795  740 

741 
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

742 
val _ = 
10a67c5ddddb
more uniform handling of binding in targets and derived elements;
wenzelm
parents:
30335
diff
changeset

743 
if null extraTs then () 
30776  744 
else warning ("Additional type variable(s) in locale specification " ^ 
745 
quote (Binding.str_of bname)); 

28795  746 

29035  747 
val a_satisfy = Element.satisfy_morphism a_axioms; 
748 
val b_satisfy = Element.satisfy_morphism b_axioms; 

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

749 

28895  750 
val params = fixed @ 
30755
7ef503d216c2
simplified internal locale parameters: maintain proper name and type, instead of binding and constraint;
wenzelm
parents:
30725
diff
changeset

751 
maps (fn Fixes fixes => 
7ef503d216c2
simplified internal locale parameters: maintain proper name and type, instead of binding and constraint;
wenzelm
parents:
30725
diff
changeset

752 
map (fn (b, SOME T, mx) => ((Binding.name_of b, T), mx)) fixes  _ => []) body_elems; 
28903
b3fc3a62247a
Intro_locales_tac to simplify goals involving locale predicates.
ballarin
parents:
28902
diff
changeset

753 
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

754 

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

755 
val notes = 
30725
c23a5b3cd1b9
register_locale: produce stamps at the spot where elements are registered;
wenzelm
parents:
30585
diff
changeset

756 
if is_some asm 
c23a5b3cd1b9
register_locale: produce stamps at the spot where elements are registered;
wenzelm
parents:
30585
diff
changeset

757 
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

758 
[([Assumption.assume (cterm_of thy' (the asm))], 
c23a5b3cd1b9
register_locale: produce stamps at the spot where elements are registered;
wenzelm
parents:
30585
diff
changeset

759 
[(Attrib.internal o K) Locale.witness_add])])])] 
c23a5b3cd1b9
register_locale: produce stamps at the spot where elements are registered;
wenzelm
parents:
30585
diff
changeset

760 
else []; 
28795  761 

29035  762 
val notes' = body_elems > 
763 
map (defines_to_notes thy') > 

764 
map (Element.morph_ctxt a_satisfy) > 

765 
(fn elems => fold_map assumes_to_notes elems (map Element.conclude_witness a_axioms)) > 

766 
fst > 

767 
map (Element.morph_ctxt b_satisfy) > 

768 
map_filter (fn Notes notes => SOME notes  _ => NONE); 

769 

770 
val deps' = map (fn (l, morph) => (l, morph $> b_satisfy)) deps; 

29441  771 
val axioms = map Element.conclude_witness b_axioms; 
28872  772 

29358  773 
val loc_ctxt = thy' 
29360  774 
> Locale.register_locale bname (extraTs, params) 
30725
c23a5b3cd1b9
register_locale: produce stamps at the spot where elements are registered;
wenzelm
parents:
30585
diff
changeset

775 
(asm, rev defs) (a_intro, b_intro) axioms ([], []) (rev notes) (rev deps') 
29358  776 
> TheoryTarget.init (SOME name) 
777 
> 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

778 

29358  779 
in (name, loc_ctxt) end; 
28795  780 

781 
in 

782 

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

783 
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

784 
val add_locale_cmd = gen_add_locale read_declaration; 
28795  785 

786 
end; 

787 

28895  788 

789 
(*** Interpretation ***) 

790 

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

791 
(** Interpretation in theories **) 
829e684b02ef
Interpretation in theories including interaction with subclass relation.
ballarin
parents:
28951
diff
changeset

792 

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

793 
local 
829e684b02ef
Interpretation in theories including interaction with subclass relation.
ballarin
parents:
28951
diff
changeset

794 

29211  795 
fun gen_interpretation prep_expr parse_prop prep_attr 
29496  796 
expression equations theory = 
28993
829e684b02ef
Interpretation in theories including interaction with subclass relation.
ballarin
parents:
28951
diff
changeset

797 
let 
32074  798 
val ((propss, deps, export), expr_ctxt) = ProofContext.init theory 
29496  799 
> prep_expr expression; 
29441  800 

29211  801 
val eqns = map (parse_prop expr_ctxt o snd) equations > Syntax.check_terms expr_ctxt; 
32074  802 
val attrss = map ((apsnd o map) (prep_attr theory) o fst) equations; 
29211  803 
val goal_ctxt = fold Variable.auto_fixes eqns expr_ctxt; 
804 
val export' = Variable.export_morphism goal_ctxt expr_ctxt; 

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

805 

32074  806 
fun note_eqns raw_eqns thy = 
29441  807 
let 
32074  808 
val eqns = map (Morphism.thm (export' $> export)) raw_eqns; 
809 
val eqn_attrss = map2 (fn attrs => fn eqn => 

810 
((apsnd o map) (Attrib.attribute_i thy) attrs, [([eqn], [])])) attrss eqns; 

811 
fun meta_rewrite thy = map (LocalDefs.meta_rewrite_rule (ProofContext.init thy) #> 

812 
Drule.abs_def) o maps snd; 

29441  813 
in 
814 
thy 

32074  815 
> PureThy.note_thmss Thm.lemmaK eqn_attrss 
816 
> (fn facts => `(fn thy => meta_rewrite thy facts)) 

29441  817 
end; 
818 

32074  819 
fun after_qed witss eqns = ProofContext.theory (note_eqns eqns 
820 
#> (fn eqns => fold (fn ((dep, morph), wits) => 

821 
Locale.add_registration_eqs (dep, morph $> Element.satisfy_morphism 

822 
(map (Element.morph_witness export') wits)) eqns export) (deps ~~ witss))); 

29441  823 

29578  824 
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

825 

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

826 
in 
829e684b02ef
Interpretation in theories including interaction with subclass relation.
ballarin
parents:
28951
diff
changeset

827 

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

828 
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

829 
fun interpretation_cmd x = gen_interpretation read_goal_expression 
29211  830 
Syntax.parse_prop Attrib.intern_src x; 
28895  831 

832 
end; 

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

833 

29018  834 

32074  835 
(** Interpretation between locales: declaring sublocale relationships **) 
836 

837 
local 

838 

839 
fun gen_sublocale prep_expr intern raw_target expression thy = 

840 
let 

841 
val target = intern thy raw_target; 

32512  842 
val target_ctxt = TheoryTarget.init (SOME target) thy; 
32074  843 
val ((propss, deps, export), goal_ctxt) = prep_expr expression target_ctxt; 
844 
fun after_qed witss = ProofContext.theory 

845 
(fold (fn ((dep, morph), wits) => Locale.add_dependency 

846 
target (dep, morph $> Element.satisfy_morphism wits) export) (deps ~~ witss)); 

847 
in Element.witness_proof after_qed propss goal_ctxt end; 

848 

849 
in 

850 

851 
fun sublocale x = gen_sublocale cert_goal_expression (K I) x; 

852 
fun sublocale_cmd x = gen_sublocale read_goal_expression Locale.intern x; 

853 

854 
end; 

855 

856 

29018  857 
(** Interpretation in proof contexts **) 
858 

859 
local 

860 

32074  861 
fun gen_interpret prep_expr expression int state = 
29018  862 
let 
863 
val _ = Proof.assert_forward_or_chain state; 

864 
val ctxt = Proof.context_of state; 

865 

866 
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

867 

29578  868 
fun store_reg (name, morph) thms = 
29018  869 
let 
870 
val morph' = morph $> Element.satisfy_morphism thms $> export; 

30764
3e3e7aa0cc7a
simplified Locale.activate operations, using generic context;
wenzelm
parents:
30763
diff
changeset

871 
in Context.proof_map (Locale.activate_facts (name, morph')) end; 
29018  872 

29578  873 
fun after_qed wits = 
874 
Proof.map_context (fold2 store_reg regs wits); 

29018  875 
in 
29578  876 
state 
877 
> Element.witness_local_proof after_qed "interpret" propss goal_ctxt int 

29018  878 
end; 
879 

880 
in 

881 

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

882 
fun interpret x = gen_interpret cert_goal_expression x; 
29018  883 
fun interpret_cmd x = gen_interpret read_goal_expression x; 
884 

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

885 
end; 
829e684b02ef
Interpretation in theories including interaction with subclass relation.
ballarin
parents:
28951
diff
changeset

886 

29018  887 
end; 
888 