author | wenzelm |
Tue, 22 Mar 2011 20:44:47 +0100 | |
changeset 42057 | 3eba96ff3d3e |
parent 42055 | ad87c485ff30 |
child 42080 | 58b465952287 |
permissions | -rw-r--r-- |
548 | 1 |
(* Title: Pure/Syntax/syn_trans.ML |
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Author: Tobias Nipkow and Markus Wenzel, TU Muenchen |
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Syntax translation functions. |
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*) |
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signature SYN_TRANS0 = |
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sig |
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val eta_contract_default: bool Unsynchronized.ref |
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val eta_contract_raw: Config.raw |
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val eta_contract: bool Config.T |
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val atomic_abs_tr': string * typ * term -> term * term |
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val preserve_binder_abs_tr': string -> string -> string * (term list -> term) |
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val preserve_binder_abs2_tr': string -> string -> string * (term list -> term) |
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val mk_binder_tr: string * string -> string * (term list -> term) |
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val mk_binder_tr': string * string -> string * (term list -> term) |
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val dependent_tr': string * string -> term list -> term |
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val antiquote_tr: string -> term -> term |
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val quote_tr: string -> term -> term |
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val quote_antiquote_tr: string -> string -> string -> string * (term list -> term) |
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val antiquote_tr': string -> term -> term |
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val quote_tr': string -> term -> term |
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val quote_antiquote_tr': string -> string -> string -> string * (term list -> term) |
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val update_name_tr': term -> term |
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val mark_bound: string -> term |
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val mark_boundT: string * typ -> term |
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val bound_vars: (string * typ) list -> term -> term |
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val variant_abs: string * typ * term -> string * term |
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val variant_abs': string * typ * term -> string * term |
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end; |
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signature SYN_TRANS1 = |
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sig |
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include SYN_TRANS0 |
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val non_typed_tr': (term list -> term) -> bool -> typ -> term list -> term |
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val non_typed_tr'': ('a -> term list -> term) -> 'a -> bool -> typ -> term list -> term |
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val constrainAbsC: string |
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val pure_trfuns: |
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(string * (Ast.ast list -> Ast.ast)) list * |
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(string * (term list -> term)) list * |
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(string * (term list -> term)) list * |
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(string * (Ast.ast list -> Ast.ast)) list |
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val pure_trfunsT: (string * (bool -> typ -> term list -> term)) list |
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val struct_trfuns: string list -> |
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(string * (Ast.ast list -> Ast.ast)) list * |
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(string * (term list -> term)) list * |
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(string * (bool -> typ -> term list -> term)) list * |
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(string * (Ast.ast list -> Ast.ast)) list |
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end; |
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signature SYN_TRANS = |
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sig |
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include SYN_TRANS1 |
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val abs_tr': Proof.context -> term -> term |
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val prop_tr': term -> term |
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val appl_ast_tr': Ast.ast * Ast.ast list -> Ast.ast |
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val applC_ast_tr': Ast.ast * Ast.ast list -> Ast.ast |
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val parsetree_to_ast: Proof.context -> bool -> |
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(string -> (Proof.context -> Ast.ast list -> Ast.ast) option) -> Parser.parsetree -> Ast.ast |
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val ast_to_term: Proof.context -> |
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(string -> (Proof.context -> term list -> term) option) -> Ast.ast -> term |
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end; |
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structure Syn_Trans: SYN_TRANS = |
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struct |
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(** parse (ast) translations **) |
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(* strip_positions *) |
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fun strip_positions_ast_tr [ast] = Type_Ext.strip_positions_ast ast |
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| strip_positions_ast_tr asts = raise Ast.AST ("strip_positions_ast_tr", asts); |
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(* constify *) |
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fun constify_ast_tr [Ast.Variable c] = Ast.Constant c |
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| constify_ast_tr asts = raise Ast.AST ("constify_ast_tr", asts); |
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(* application *) |
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fun appl_ast_tr [f, args] = Ast.Appl (f :: Ast.unfold_ast "_args" args) |
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| appl_ast_tr asts = raise Ast.AST ("appl_ast_tr", asts); |
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fun applC_ast_tr [f, args] = Ast.Appl (f :: Ast.unfold_ast "_cargs" args) |
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| applC_ast_tr asts = raise Ast.AST ("applC_ast_tr", asts); |
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(* abstraction *) |
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fun idtyp_ast_tr (*"_idtyp"*) [x, ty] = Ast.Appl [Ast.Constant "_constrain", x, ty] |
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| idtyp_ast_tr (*"_idtyp"*) asts = raise Ast.AST ("idtyp_ast_tr", asts); |
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fun idtypdummy_ast_tr (*"_idtypdummy"*) [ty] = |
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Ast.Appl [Ast.Constant "_constrain", Ast.Constant "_idtdummy", ty] |
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| idtypdummy_ast_tr (*"_idtypdummy"*) asts = raise Ast.AST ("idtyp_ast_tr", asts); |
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fun lambda_ast_tr (*"_lambda"*) [pats, body] = |
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Ast.fold_ast_p "_abs" (Ast.unfold_ast "_pttrns" pats, body) |
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| lambda_ast_tr (*"_lambda"*) asts = raise Ast.AST ("lambda_ast_tr", asts); |
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val constrainAbsC = "_constrainAbs"; |
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fun absfree_proper (x, T, t) = |
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if can Name.dest_internal x |
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then error ("Illegal internal variable in abstraction: " ^ quote x) |
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else Term.absfree (x, T, t); |
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fun abs_tr [Free (x, T), t] = absfree_proper (x, T, t) |
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| abs_tr [Const ("_idtdummy", T), t] = Term.absdummy (T, t) |
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| abs_tr [Const ("_constrain", _) $ x $ tT, t] = Lexicon.const constrainAbsC $ abs_tr [x, t] $ tT |
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| abs_tr ts = raise TERM ("abs_tr", ts); |
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(* binder *) |
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fun mk_binder_tr (syn, name) = |
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let |
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fun err ts = raise TERM ("binder_tr: " ^ syn, ts) |
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fun binder_tr [Const ("_idts", _) $ idt $ idts, t] = binder_tr [idt, binder_tr [idts, t]] |
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| binder_tr [x, t] = |
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let val abs = abs_tr [x, t] handle TERM _ => err [x, t] |
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in Lexicon.const name $ abs end |
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| binder_tr ts = err ts; |
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in (syn, binder_tr) end; |
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(* type propositions *) |
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fun mk_type ty = |
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Lexicon.const "_constrain" $ |
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Lexicon.const "\\<^const>TYPE" $ (Lexicon.const "\\<^type>itself" $ ty); |
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fun ofclass_tr (*"_ofclass"*) [ty, cls] = cls $ mk_type ty |
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| ofclass_tr (*"_ofclass"*) ts = raise TERM ("ofclass_tr", ts); |
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fun sort_constraint_tr (*"_sort_constraint"*) [ty] = |
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Lexicon.const "\\<^const>Pure.sort_constraint" $ mk_type ty |
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| sort_constraint_tr (*"_sort_constraint"*) ts = raise TERM ("sort_constraint_tr", ts); |
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(* meta propositions *) |
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fun aprop_tr (*"_aprop"*) [t] = Lexicon.const "_constrain" $ t $ Lexicon.const "\\<^type>prop" |
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| aprop_tr (*"_aprop"*) ts = raise TERM ("aprop_tr", ts); |
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(* meta implication *) |
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fun bigimpl_ast_tr (*"_bigimpl"*) (asts as [asms, concl]) = |
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let val prems = |
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(case Ast.unfold_ast_p "_asms" asms of |
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(asms', Ast.Appl [Ast.Constant "_asm", asm']) => asms' @ [asm'] |
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| _ => raise Ast.AST ("bigimpl_ast_tr", asts)) |
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in Ast.fold_ast_p "\\<^const>==>" (prems, concl) end |
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| bigimpl_ast_tr (*"_bigimpl"*) asts = raise Ast.AST ("bigimpl_ast_tr", asts); |
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(* type/term reflection *) |
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fun type_tr (*"_TYPE"*) [ty] = mk_type ty |
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| type_tr (*"_TYPE"*) ts = raise TERM ("type_tr", ts); |
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(* dddot *) |
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fun dddot_tr (*"_DDDOT"*) ts = Term.list_comb (Lexicon.var Syn_Ext.dddot_indexname, ts); |
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(* quote / antiquote *) |
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fun antiquote_tr name = |
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let |
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fun tr i ((t as Const (c, _)) $ u) = |
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if c = name then tr i u $ Bound i |
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else tr i t $ tr i u |
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| tr i (t $ u) = tr i t $ tr i u |
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| tr i (Abs (x, T, t)) = Abs (x, T, tr (i + 1) t) |
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| tr _ a = a; |
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in tr 0 end; |
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fun quote_tr name t = Abs ("s", dummyT, antiquote_tr name (Term.incr_boundvars 1 t)); |
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fun quote_antiquote_tr quoteN antiquoteN name = |
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let |
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fun tr [t] = Lexicon.const name $ quote_tr antiquoteN t |
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| tr ts = raise TERM ("quote_tr", ts); |
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in (quoteN, tr) end; |
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(* corresponding updates *) |
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fun update_name_tr (Free (x, T) :: ts) = list_comb (Free (suffix "_update" x, T), ts) |
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| update_name_tr (Const (x, T) :: ts) = list_comb (Const (suffix "_update" x, T), ts) |
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| update_name_tr (((c as Const ("_constrain", _)) $ t $ ty) :: ts) = |
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if Type_Ext.is_position ty then list_comb (c $ update_name_tr [t] $ ty, ts) |
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else |
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list_comb (c $ update_name_tr [t] $ |
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(Lexicon.fun_type $ (Lexicon.fun_type $ ty $ ty) $ Lexicon.dummy_type), ts) |
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| update_name_tr ts = raise TERM ("update_name_tr", ts); |
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(* indexed syntax *) |
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207 |
fun struct_ast_tr (*"_struct"*) [Ast.Appl [Ast.Constant "_index", ast]] = ast |
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| struct_ast_tr (*"_struct"*) asts = Ast.mk_appl (Ast.Constant "_struct") asts; |
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210 |
fun index_ast_tr ast = |
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Ast.mk_appl (Ast.Constant "_index") [Ast.mk_appl (Ast.Constant "_struct") [ast]]; |
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fun indexdefault_ast_tr (*"_indexdefault"*) [] = |
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index_ast_tr (Ast.Constant "_indexdefault") |
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| indexdefault_ast_tr (*"_indexdefault"*) asts = |
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raise Ast.AST ("indexdefault_ast_tr", asts); |
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fun indexnum_ast_tr (*"_indexnum"*) [ast] = |
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index_ast_tr (Ast.mk_appl (Ast.Constant "_indexnum") [ast]) |
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| indexnum_ast_tr (*"_indexnum"*) asts = raise Ast.AST ("indexnum_ast_tr", asts); |
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fun indexvar_ast_tr (*"_indexvar"*) [] = |
223 |
Ast.mk_appl (Ast.Constant "_index") [Ast.Variable "some_index"] |
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| indexvar_ast_tr (*"_indexvar"*) asts = raise Ast.AST ("indexvar_ast_tr", asts); |
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fun index_tr (*"_index"*) [t] = t |
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| index_tr (*"_index"*) ts = raise TERM ("index_tr", ts); |
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(* implicit structures *) |
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fun the_struct structs i = |
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if 1 <= i andalso i <= length structs then nth structs (i - 1) |
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else error ("Illegal reference to implicit structure #" ^ string_of_int i); |
14697 | 235 |
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fun struct_tr structs (*"_struct"*) [Const ("_indexdefault", _)] = |
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Lexicon.free (the_struct structs 1) |
|
238 |
| struct_tr structs (*"_struct"*) [t as (Const ("_indexnum", _) $ Const (s, _))] = |
|
239 |
Lexicon.free (the_struct structs |
|
15531 | 240 |
(case Lexicon.read_nat s of SOME n => n | NONE => raise TERM ("struct_tr", [t]))) |
14697 | 241 |
| struct_tr _ (*"_struct"*) ts = raise TERM ("struct_tr", ts); |
12122 | 242 |
|
243 |
||
5084 | 244 |
|
548 | 245 |
(** print (ast) translations **) |
246 |
||
14647 | 247 |
(* types *) |
248 |
||
249 |
fun non_typed_tr' f _ _ ts = f ts; |
|
250 |
fun non_typed_tr'' f x _ _ ts = f x ts; |
|
251 |
||
252 |
||
548 | 253 |
(* application *) |
254 |
||
5690 | 255 |
fun appl_ast_tr' (f, []) = raise Ast.AST ("appl_ast_tr'", [f]) |
256 |
| appl_ast_tr' (f, args) = Ast.Appl [Ast.Constant "_appl", f, Ast.fold_ast "_args" args]; |
|
548 | 257 |
|
5690 | 258 |
fun applC_ast_tr' (f, []) = raise Ast.AST ("applC_ast_tr'", [f]) |
259 |
| applC_ast_tr' (f, args) = Ast.Appl [Ast.Constant "_applC", f, Ast.fold_ast "_cargs" args]; |
|
922
196ca0973a6d
added CPure (curried functions) and ProtoPure (ancestor of Pure and CPure)
clasohm
parents:
639
diff
changeset
|
260 |
|
548 | 261 |
|
262 |
(* abstraction *) |
|
263 |
||
19311 | 264 |
fun mark_boundT (x, T) = Const ("_bound", T --> T) $ Free (x, T); |
2698 | 265 |
fun mark_bound x = mark_boundT (x, dummyT); |
266 |
||
18958 | 267 |
fun bound_vars vars body = |
268 |
subst_bounds (map mark_boundT (Term.rename_wrt_term body vars), body); |
|
269 |
||
548 | 270 |
fun strip_abss vars_of body_of tm = |
271 |
let |
|
272 |
val vars = vars_of tm; |
|
273 |
val body = body_of tm; |
|
29276 | 274 |
val rev_new_vars = Term.rename_wrt_term body vars; |
21750 | 275 |
fun subst (x, T) b = |
276 |
if can Name.dest_internal x andalso not (Term.loose_bvar1 (b, 0)) |
|
277 |
then (Const ("_idtdummy", T), incr_boundvars ~1 b) |
|
278 |
else (mark_boundT (x, T), Term.subst_bound (mark_bound x, b)); |
|
279 |
val (rev_vars', body') = fold_map subst rev_new_vars body; |
|
280 |
in (rev rev_vars', body') end; |
|
548 | 281 |
|
3928
787d2659ce4a
no longer tries bogus eta-contract involving aprops;
wenzelm
parents:
3777
diff
changeset
|
282 |
|
548 | 283 |
(*do (partial) eta-contraction before printing*) |
284 |
||
39128
93a7365fb4ee
turned eta_contract into proper configuration option;
wenzelm
parents:
37216
diff
changeset
|
285 |
val eta_contract_default = Unsynchronized.ref true; |
39163
4d701c0388c3
more explicit indication of Config.raw options, which are only needed for bootstrapping Pure;
wenzelm
parents:
39128
diff
changeset
|
286 |
val eta_contract_raw = Config.declare "eta_contract" (fn _ => Config.Bool (! eta_contract_default)); |
4d701c0388c3
more explicit indication of Config.raw options, which are only needed for bootstrapping Pure;
wenzelm
parents:
39128
diff
changeset
|
287 |
val eta_contract = Config.bool eta_contract_raw; |
548 | 288 |
|
39128
93a7365fb4ee
turned eta_contract into proper configuration option;
wenzelm
parents:
37216
diff
changeset
|
289 |
fun eta_contr ctxt tm = |
548 | 290 |
let |
3928
787d2659ce4a
no longer tries bogus eta-contract involving aprops;
wenzelm
parents:
3777
diff
changeset
|
291 |
fun is_aprop (Const ("_aprop", _)) = true |
787d2659ce4a
no longer tries bogus eta-contract involving aprops;
wenzelm
parents:
3777
diff
changeset
|
292 |
| is_aprop _ = false; |
787d2659ce4a
no longer tries bogus eta-contract involving aprops;
wenzelm
parents:
3777
diff
changeset
|
293 |
|
548 | 294 |
fun eta_abs (Abs (a, T, t)) = |
295 |
(case eta_abs t of |
|
296 |
t' as f $ u => |
|
297 |
(case eta_abs u of |
|
298 |
Bound 0 => |
|
5084 | 299 |
if Term.loose_bvar1 (f, 0) orelse is_aprop f then Abs (a, T, t') |
3928
787d2659ce4a
no longer tries bogus eta-contract involving aprops;
wenzelm
parents:
3777
diff
changeset
|
300 |
else incr_boundvars ~1 f |
548 | 301 |
| _ => Abs (a, T, t')) |
302 |
| t' => Abs (a, T, t')) |
|
303 |
| eta_abs t = t; |
|
304 |
in |
|
39128
93a7365fb4ee
turned eta_contract into proper configuration option;
wenzelm
parents:
37216
diff
changeset
|
305 |
if Config.get ctxt eta_contract then eta_abs tm else tm |
548 | 306 |
end; |
307 |
||
308 |
||
39128
93a7365fb4ee
turned eta_contract into proper configuration option;
wenzelm
parents:
37216
diff
changeset
|
309 |
fun abs_tr' ctxt tm = |
19473 | 310 |
uncurry (fold_rev (fn x => fn t => Lexicon.const "_abs" $ x $ t)) |
39128
93a7365fb4ee
turned eta_contract into proper configuration option;
wenzelm
parents:
37216
diff
changeset
|
311 |
(strip_abss strip_abs_vars strip_abs_body (eta_contr ctxt tm)); |
548 | 312 |
|
14697 | 313 |
fun atomic_abs_tr' (x, T, t) = |
29276 | 314 |
let val [xT] = Term.rename_wrt_term t [(x, T)] |
14697 | 315 |
in (mark_boundT xT, subst_bound (mark_bound (fst xT), t)) end; |
13762 | 316 |
|
548 | 317 |
fun abs_ast_tr' (*"_abs"*) asts = |
5690 | 318 |
(case Ast.unfold_ast_p "_abs" (Ast.Appl (Ast.Constant "_abs" :: asts)) of |
319 |
([], _) => raise Ast.AST ("abs_ast_tr'", asts) |
|
320 |
| (xs, body) => Ast.Appl [Ast.Constant "_lambda", Ast.fold_ast "_pttrns" xs, body]); |
|
548 | 321 |
|
32120
53a21a5e6889
attempt for more concise setup of non-etacontracting binders
haftmann
parents:
31542
diff
changeset
|
322 |
fun preserve_binder_abs_tr' name syn = (name, fn (Abs abs :: ts) => |
53a21a5e6889
attempt for more concise setup of non-etacontracting binders
haftmann
parents:
31542
diff
changeset
|
323 |
let val (x, t) = atomic_abs_tr' abs |
53a21a5e6889
attempt for more concise setup of non-etacontracting binders
haftmann
parents:
31542
diff
changeset
|
324 |
in list_comb (Lexicon.const syn $ x $ t, ts) end); |
53a21a5e6889
attempt for more concise setup of non-etacontracting binders
haftmann
parents:
31542
diff
changeset
|
325 |
|
53a21a5e6889
attempt for more concise setup of non-etacontracting binders
haftmann
parents:
31542
diff
changeset
|
326 |
fun preserve_binder_abs2_tr' name syn = (name, fn (A :: Abs abs :: ts) => |
53a21a5e6889
attempt for more concise setup of non-etacontracting binders
haftmann
parents:
31542
diff
changeset
|
327 |
let val (x, t) = atomic_abs_tr' abs |
53a21a5e6889
attempt for more concise setup of non-etacontracting binders
haftmann
parents:
31542
diff
changeset
|
328 |
in list_comb (Lexicon.const syn $ x $ A $ t, ts) end); |
53a21a5e6889
attempt for more concise setup of non-etacontracting binders
haftmann
parents:
31542
diff
changeset
|
329 |
|
548 | 330 |
|
331 |
(* binder *) |
|
332 |
||
21535 | 333 |
fun mk_binder_tr' (name, syn) = |
548 | 334 |
let |
335 |
fun mk_idts [] = raise Match (*abort translation*) |
|
336 |
| mk_idts [idt] = idt |
|
5690 | 337 |
| mk_idts (idt :: idts) = Lexicon.const "_idts" $ idt $ mk_idts idts; |
548 | 338 |
|
339 |
fun tr' t = |
|
340 |
let |
|
341 |
val (xs, bd) = strip_abss (strip_qnt_vars name) (strip_qnt_body name) t; |
|
21535 | 342 |
in Lexicon.const syn $ mk_idts xs $ bd end; |
548 | 343 |
|
21535 | 344 |
fun binder_tr' (t :: ts) = Term.list_comb (tr' (Lexicon.const name $ t), ts) |
345 |
| binder_tr' [] = raise Match; |
|
346 |
in (name, binder_tr') end; |
|
548 | 347 |
|
348 |
||
3691
f0396ac63e12
tuned lambda_ast_tr, idtyp_ast_tr' to accomodate fix of idt/idts
wenzelm
parents:
2698
diff
changeset
|
349 |
(* idtyp constraints *) |
548 | 350 |
|
42045 | 351 |
fun idtyp_ast_tr' a [Ast.Appl [Ast.Constant "_constrain", x, ty], xs] = |
352 |
Ast.Appl [Ast.Constant a, Ast.Appl [Ast.Constant "_idtyp", x, ty], xs] |
|
3691
f0396ac63e12
tuned lambda_ast_tr, idtyp_ast_tr' to accomodate fix of idt/idts
wenzelm
parents:
2698
diff
changeset
|
353 |
| idtyp_ast_tr' _ _ = raise Match; |
548 | 354 |
|
355 |
||
28628 | 356 |
(* type propositions *) |
357 |
||
35255 | 358 |
fun type_prop_tr' _ (*"_type_prop"*) T [Const ("\\<^const>Pure.sort_constraint", _)] = |
37216
3165bc303f66
modernized some structure names, keeping a few legacy aliases;
wenzelm
parents:
36502
diff
changeset
|
359 |
Lexicon.const "_sort_constraint" $ Type_Ext.term_of_typ true T |
28628 | 360 |
| type_prop_tr' show_sorts (*"_type_prop"*) T [t] = |
37216
3165bc303f66
modernized some structure names, keeping a few legacy aliases;
wenzelm
parents:
36502
diff
changeset
|
361 |
Lexicon.const "_ofclass" $ Type_Ext.term_of_typ show_sorts T $ t |
28628 | 362 |
| type_prop_tr' _ (*"_type_prop"*) T ts = raise TYPE ("type_prop_tr'", [T], ts); |
363 |
||
364 |
||
548 | 365 |
(* meta propositions *) |
366 |
||
4148 | 367 |
fun prop_tr' tm = |
548 | 368 |
let |
5690 | 369 |
fun aprop t = Lexicon.const "_aprop" $ t; |
548 | 370 |
|
2698 | 371 |
fun is_prop Ts t = |
372 |
fastype_of1 (Ts, t) = propT handle TERM _ => false; |
|
548 | 373 |
|
35429
afa8cf9e63d8
authentic syntax for classes and type constructors;
wenzelm
parents:
35255
diff
changeset
|
374 |
fun is_term (Const ("Pure.term", _) $ _) = true |
19848 | 375 |
| is_term _ = false; |
376 |
||
548 | 377 |
fun tr' _ (t as Const _) = t |
18478
29a5070b517c
prop_tr': proper handling of aprop marked as bound;
wenzelm
parents:
18342
diff
changeset
|
378 |
| tr' Ts (t as Const ("_bound", _) $ u) = |
29a5070b517c
prop_tr': proper handling of aprop marked as bound;
wenzelm
parents:
18342
diff
changeset
|
379 |
if is_prop Ts u then aprop t else t |
2698 | 380 |
| tr' _ (t as Free (x, T)) = |
5690 | 381 |
if T = propT then aprop (Lexicon.free x) else t |
2698 | 382 |
| tr' _ (t as Var (xi, T)) = |
5690 | 383 |
if T = propT then aprop (Lexicon.var xi) else t |
2698 | 384 |
| tr' Ts (t as Bound _) = |
385 |
if is_prop Ts t then aprop t else t |
|
386 |
| tr' Ts (Abs (x, T, t)) = Abs (x, T, tr' (T :: Ts) t) |
|
35429
afa8cf9e63d8
authentic syntax for classes and type constructors;
wenzelm
parents:
35255
diff
changeset
|
387 |
| tr' Ts (t as t1 $ (t2 as Const ("TYPE", Type ("itself", [T])))) = |
28628 | 388 |
if is_prop Ts t andalso not (is_term t) then Const ("_type_prop", T) $ tr' Ts t1 |
2698 | 389 |
else tr' Ts t1 $ tr' Ts t2 |
390 |
| tr' Ts (t as t1 $ t2) = |
|
5690 | 391 |
(if is_Const (Term.head_of t) orelse not (is_prop Ts t) |
2698 | 392 |
then I else aprop) (tr' Ts t1 $ tr' Ts t2); |
16612
48be8ef738df
transform_failure in translation functions: TRANSLATION_FAIL;
wenzelm
parents:
15570
diff
changeset
|
393 |
in tr' [] tm end; |
548 | 394 |
|
2698 | 395 |
|
548 | 396 |
(* meta implication *) |
397 |
||
398 |
fun impl_ast_tr' (*"==>"*) asts = |
|
37216
3165bc303f66
modernized some structure names, keeping a few legacy aliases;
wenzelm
parents:
36502
diff
changeset
|
399 |
if Type_Ext.no_brackets () then raise Match |
10572 | 400 |
else |
35255 | 401 |
(case Ast.unfold_ast_p "\\<^const>==>" (Ast.Appl (Ast.Constant "\\<^const>==>" :: asts)) of |
16612
48be8ef738df
transform_failure in translation functions: TRANSLATION_FAIL;
wenzelm
parents:
15570
diff
changeset
|
402 |
(prems as _ :: _ :: _, concl) => |
48be8ef738df
transform_failure in translation functions: TRANSLATION_FAIL;
wenzelm
parents:
15570
diff
changeset
|
403 |
let |
48be8ef738df
transform_failure in translation functions: TRANSLATION_FAIL;
wenzelm
parents:
15570
diff
changeset
|
404 |
val (asms, asm) = split_last prems; |
48be8ef738df
transform_failure in translation functions: TRANSLATION_FAIL;
wenzelm
parents:
15570
diff
changeset
|
405 |
val asms' = Ast.fold_ast_p "_asms" (asms, Ast.Appl [Ast.Constant "_asm", asm]); |
48be8ef738df
transform_failure in translation functions: TRANSLATION_FAIL;
wenzelm
parents:
15570
diff
changeset
|
406 |
in Ast.Appl [Ast.Constant "_bigimpl", asms', concl] end |
15421
fcf747c0b6b8
Syntax: last premise of "_bigimpl" is wrapped with "_asm", to have a hook for
schirmer
parents:
14981
diff
changeset
|
407 |
| _ => raise Match); |
fcf747c0b6b8
Syntax: last premise of "_bigimpl" is wrapped with "_asm", to have a hook for
schirmer
parents:
14981
diff
changeset
|
408 |
|
548 | 409 |
|
4148 | 410 |
(* type reflection *) |
411 |
||
412 |
fun type_tr' show_sorts (*"TYPE"*) (Type ("itself", [T])) ts = |
|
37216
3165bc303f66
modernized some structure names, keeping a few legacy aliases;
wenzelm
parents:
36502
diff
changeset
|
413 |
Term.list_comb (Lexicon.const "_TYPE" $ Type_Ext.term_of_typ show_sorts T, ts) |
4148 | 414 |
| type_tr' _ _ _ = raise Match; |
415 |
||
416 |
||
19577 | 417 |
(* type constraints *) |
418 |
||
419 |
fun type_constraint_tr' show_sorts (*"_type_constraint_"*) (Type ("fun", [T, _])) (t :: ts) = |
|
37216
3165bc303f66
modernized some structure names, keeping a few legacy aliases;
wenzelm
parents:
36502
diff
changeset
|
420 |
Term.list_comb (Lexicon.const Syn_Ext.constrainC $ t $ Type_Ext.term_of_typ show_sorts T, ts) |
19577 | 421 |
| type_constraint_tr' _ _ _ = raise Match; |
422 |
||
423 |
||
548 | 424 |
(* dependent / nondependent quantifiers *) |
425 |
||
20202 | 426 |
fun var_abs mark (x, T, b) = |
427 |
let val ([x'], _) = Name.variants [x] (Term.declare_term_names b Name.context) |
|
428 |
in (x', subst_bound (mark (x', T), b)) end; |
|
429 |
||
430 |
val variant_abs = var_abs Free; |
|
431 |
val variant_abs' = var_abs mark_boundT; |
|
2698 | 432 |
|
548 | 433 |
fun dependent_tr' (q, r) (A :: Abs (x, T, B) :: ts) = |
5084 | 434 |
if Term.loose_bvar1 (B, 0) then |
2698 | 435 |
let val (x', B') = variant_abs' (x, dummyT, B); |
5690 | 436 |
in Term.list_comb (Lexicon.const q $ mark_boundT (x', T) $ A $ B', ts) end |
437 |
else Term.list_comb (Lexicon.const r $ A $ B, ts) |
|
548 | 438 |
| dependent_tr' _ _ = raise Match; |
439 |
||
440 |
||
5084 | 441 |
(* quote / antiquote *) |
442 |
||
8577 | 443 |
fun antiquote_tr' name = |
444 |
let |
|
445 |
fun tr' i (t $ u) = |
|
18139 | 446 |
if u aconv Bound i then Lexicon.const name $ tr' i t |
8577 | 447 |
else tr' i t $ tr' i u |
448 |
| tr' i (Abs (x, T, t)) = Abs (x, T, tr' (i + 1) t) |
|
18139 | 449 |
| tr' i a = if a aconv Bound i then raise Match else a; |
8577 | 450 |
in tr' 0 end; |
451 |
||
452 |
fun quote_tr' name (Abs (_, _, t)) = Term.incr_boundvars ~1 (antiquote_tr' name t) |
|
453 |
| quote_tr' _ _ = raise Match; |
|
454 |
||
5084 | 455 |
fun quote_antiquote_tr' quoteN antiquoteN name = |
456 |
let |
|
8577 | 457 |
fun tr' (t :: ts) = Term.list_comb (Lexicon.const quoteN $ quote_tr' antiquoteN t, ts) |
458 |
| tr' _ = raise Match; |
|
459 |
in (name, tr') end; |
|
5084 | 460 |
|
461 |
||
35145
f132a4fd8679
moved generic update_name to Pure syntax -- not specific to HOL/record;
wenzelm
parents:
32786
diff
changeset
|
462 |
(* corresponding updates *) |
f132a4fd8679
moved generic update_name to Pure syntax -- not specific to HOL/record;
wenzelm
parents:
32786
diff
changeset
|
463 |
|
f132a4fd8679
moved generic update_name to Pure syntax -- not specific to HOL/record;
wenzelm
parents:
32786
diff
changeset
|
464 |
fun upd_tr' (x_upd, T) = |
f132a4fd8679
moved generic update_name to Pure syntax -- not specific to HOL/record;
wenzelm
parents:
32786
diff
changeset
|
465 |
(case try (unsuffix "_update") x_upd of |
f132a4fd8679
moved generic update_name to Pure syntax -- not specific to HOL/record;
wenzelm
parents:
32786
diff
changeset
|
466 |
SOME x => (x, if T = dummyT then T else Term.domain_type T) |
f132a4fd8679
moved generic update_name to Pure syntax -- not specific to HOL/record;
wenzelm
parents:
32786
diff
changeset
|
467 |
| NONE => raise Match); |
f132a4fd8679
moved generic update_name to Pure syntax -- not specific to HOL/record;
wenzelm
parents:
32786
diff
changeset
|
468 |
|
f132a4fd8679
moved generic update_name to Pure syntax -- not specific to HOL/record;
wenzelm
parents:
32786
diff
changeset
|
469 |
fun update_name_tr' (Free x) = Free (upd_tr' x) |
f132a4fd8679
moved generic update_name to Pure syntax -- not specific to HOL/record;
wenzelm
parents:
32786
diff
changeset
|
470 |
| update_name_tr' ((c as Const ("_free", _)) $ Free x) = c $ Free (upd_tr' x) |
f132a4fd8679
moved generic update_name to Pure syntax -- not specific to HOL/record;
wenzelm
parents:
32786
diff
changeset
|
471 |
| update_name_tr' (Const x) = Const (upd_tr' x) |
f132a4fd8679
moved generic update_name to Pure syntax -- not specific to HOL/record;
wenzelm
parents:
32786
diff
changeset
|
472 |
| update_name_tr' _ = raise Match; |
f132a4fd8679
moved generic update_name to Pure syntax -- not specific to HOL/record;
wenzelm
parents:
32786
diff
changeset
|
473 |
|
f132a4fd8679
moved generic update_name to Pure syntax -- not specific to HOL/record;
wenzelm
parents:
32786
diff
changeset
|
474 |
|
14697 | 475 |
(* indexed syntax *) |
548 | 476 |
|
14697 | 477 |
fun index_ast_tr' (*"_index"*) [Ast.Appl [Ast.Constant "_struct", ast]] = ast |
478 |
| index_ast_tr' _ = raise Match; |
|
479 |
||
480 |
||
481 |
(* implicit structures *) |
|
482 |
||
483 |
fun the_struct' structs s = |
|
484 |
[(case Lexicon.read_nat s of |
|
18678 | 485 |
SOME i => Ast.Variable (the_struct structs i handle ERROR _ => raise Match) |
15531 | 486 |
| NONE => raise Match)] |> Ast.mk_appl (Ast.Constant "_free"); |
14697 | 487 |
|
488 |
fun struct_ast_tr' structs (*"_struct"*) [Ast.Constant "_indexdefault"] = |
|
489 |
the_struct' structs "1" |
|
490 |
| struct_ast_tr' structs (*"_struct"*) [Ast.Appl [Ast.Constant "_indexnum", Ast.Constant s]] = |
|
491 |
the_struct' structs s |
|
492 |
| struct_ast_tr' _ _ = raise Match; |
|
493 |
||
494 |
||
495 |
||
496 |
(** Pure translations **) |
|
548 | 497 |
|
498 |
val pure_trfuns = |
|
42057
3eba96ff3d3e
more selective strip_positions in case patterns -- reactivate translations based on "case _ of _" in HOL and special patterns in HOLCF;
wenzelm
parents:
42055
diff
changeset
|
499 |
([("_strip_positions", strip_positions_ast_tr), |
3eba96ff3d3e
more selective strip_positions in case patterns -- reactivate translations based on "case _ of _" in HOL and special patterns in HOLCF;
wenzelm
parents:
42055
diff
changeset
|
500 |
("_constify", constify_ast_tr), |
35145
f132a4fd8679
moved generic update_name to Pure syntax -- not specific to HOL/record;
wenzelm
parents:
32786
diff
changeset
|
501 |
("_appl", appl_ast_tr), |
f132a4fd8679
moved generic update_name to Pure syntax -- not specific to HOL/record;
wenzelm
parents:
32786
diff
changeset
|
502 |
("_applC", applC_ast_tr), |
f132a4fd8679
moved generic update_name to Pure syntax -- not specific to HOL/record;
wenzelm
parents:
32786
diff
changeset
|
503 |
("_lambda", lambda_ast_tr), |
f132a4fd8679
moved generic update_name to Pure syntax -- not specific to HOL/record;
wenzelm
parents:
32786
diff
changeset
|
504 |
("_idtyp", idtyp_ast_tr), |
f132a4fd8679
moved generic update_name to Pure syntax -- not specific to HOL/record;
wenzelm
parents:
32786
diff
changeset
|
505 |
("_idtypdummy", idtypdummy_ast_tr), |
f132a4fd8679
moved generic update_name to Pure syntax -- not specific to HOL/record;
wenzelm
parents:
32786
diff
changeset
|
506 |
("_bigimpl", bigimpl_ast_tr), |
f132a4fd8679
moved generic update_name to Pure syntax -- not specific to HOL/record;
wenzelm
parents:
32786
diff
changeset
|
507 |
("_indexdefault", indexdefault_ast_tr), |
f132a4fd8679
moved generic update_name to Pure syntax -- not specific to HOL/record;
wenzelm
parents:
32786
diff
changeset
|
508 |
("_indexnum", indexnum_ast_tr), |
f132a4fd8679
moved generic update_name to Pure syntax -- not specific to HOL/record;
wenzelm
parents:
32786
diff
changeset
|
509 |
("_indexvar", indexvar_ast_tr), |
f132a4fd8679
moved generic update_name to Pure syntax -- not specific to HOL/record;
wenzelm
parents:
32786
diff
changeset
|
510 |
("_struct", struct_ast_tr)], |
f132a4fd8679
moved generic update_name to Pure syntax -- not specific to HOL/record;
wenzelm
parents:
32786
diff
changeset
|
511 |
[("_abs", abs_tr), |
f132a4fd8679
moved generic update_name to Pure syntax -- not specific to HOL/record;
wenzelm
parents:
32786
diff
changeset
|
512 |
("_aprop", aprop_tr), |
f132a4fd8679
moved generic update_name to Pure syntax -- not specific to HOL/record;
wenzelm
parents:
32786
diff
changeset
|
513 |
("_ofclass", ofclass_tr), |
f132a4fd8679
moved generic update_name to Pure syntax -- not specific to HOL/record;
wenzelm
parents:
32786
diff
changeset
|
514 |
("_sort_constraint", sort_constraint_tr), |
f132a4fd8679
moved generic update_name to Pure syntax -- not specific to HOL/record;
wenzelm
parents:
32786
diff
changeset
|
515 |
("_TYPE", type_tr), |
f132a4fd8679
moved generic update_name to Pure syntax -- not specific to HOL/record;
wenzelm
parents:
32786
diff
changeset
|
516 |
("_DDDOT", dddot_tr), |
f132a4fd8679
moved generic update_name to Pure syntax -- not specific to HOL/record;
wenzelm
parents:
32786
diff
changeset
|
517 |
("_update_name", update_name_tr), |
f132a4fd8679
moved generic update_name to Pure syntax -- not specific to HOL/record;
wenzelm
parents:
32786
diff
changeset
|
518 |
("_index", index_tr)], |
35198 | 519 |
([]: (string * (term list -> term)) list), |
35145
f132a4fd8679
moved generic update_name to Pure syntax -- not specific to HOL/record;
wenzelm
parents:
32786
diff
changeset
|
520 |
[("_abs", abs_ast_tr'), |
f132a4fd8679
moved generic update_name to Pure syntax -- not specific to HOL/record;
wenzelm
parents:
32786
diff
changeset
|
521 |
("_idts", idtyp_ast_tr' "_idts"), |
f132a4fd8679
moved generic update_name to Pure syntax -- not specific to HOL/record;
wenzelm
parents:
32786
diff
changeset
|
522 |
("_pttrns", idtyp_ast_tr' "_pttrns"), |
35255 | 523 |
("\\<^const>==>", impl_ast_tr'), |
35145
f132a4fd8679
moved generic update_name to Pure syntax -- not specific to HOL/record;
wenzelm
parents:
32786
diff
changeset
|
524 |
("_index", index_ast_tr')]); |
548 | 525 |
|
2698 | 526 |
val pure_trfunsT = |
35255 | 527 |
[("_type_prop", type_prop_tr'), |
528 |
("\\<^const>TYPE", type_tr'), |
|
529 |
("_type_constraint_", type_constraint_tr')]; |
|
2698 | 530 |
|
14697 | 531 |
fun struct_trfuns structs = |
532 |
([], [("_struct", struct_tr structs)], [], [("_struct", struct_ast_tr' structs)]); |
|
533 |
||
548 | 534 |
|
535 |
||
42043
2055515c9d3f
clarified Syn_Trans.parsetree_to_ast and Syn_Trans.ast_to_term;
wenzelm
parents:
40235
diff
changeset
|
536 |
(** parsetree_to_ast **) |
548 | 537 |
|
42048
afd11ca8e018
support for encoded positions (for id_position, longid_position) as pseudo type-constraints -- still inactive;
wenzelm
parents:
42045
diff
changeset
|
538 |
fun parsetree_to_ast ctxt constrain_pos trf = |
548 | 539 |
let |
540 |
fun trans a args = |
|
541 |
(case trf a of |
|
15531 | 542 |
NONE => Ast.mk_appl (Ast.Constant a) args |
23937
66e1f24d655d
eliminated transform_failure (to avoid critical section for main transactions);
wenzelm
parents:
23824
diff
changeset
|
543 |
| SOME f => f ctxt args); |
548 | 544 |
|
42048
afd11ca8e018
support for encoded positions (for id_position, longid_position) as pseudo type-constraints -- still inactive;
wenzelm
parents:
42045
diff
changeset
|
545 |
fun ast_of (Parser.Node ("_constrain_position", [pt as Parser.Tip tok])) = |
afd11ca8e018
support for encoded positions (for id_position, longid_position) as pseudo type-constraints -- still inactive;
wenzelm
parents:
42045
diff
changeset
|
546 |
if constrain_pos then |
afd11ca8e018
support for encoded positions (for id_position, longid_position) as pseudo type-constraints -- still inactive;
wenzelm
parents:
42045
diff
changeset
|
547 |
Ast.Appl [Ast.Constant "_constrain", ast_of pt, |
afd11ca8e018
support for encoded positions (for id_position, longid_position) as pseudo type-constraints -- still inactive;
wenzelm
parents:
42045
diff
changeset
|
548 |
Ast.Variable (Lexicon.encode_position (Lexicon.pos_of_token tok))] |
afd11ca8e018
support for encoded positions (for id_position, longid_position) as pseudo type-constraints -- still inactive;
wenzelm
parents:
42045
diff
changeset
|
549 |
else ast_of pt |
afd11ca8e018
support for encoded positions (for id_position, longid_position) as pseudo type-constraints -- still inactive;
wenzelm
parents:
42045
diff
changeset
|
550 |
| ast_of (Parser.Node (a, pts)) = trans a (map ast_of pts) |
5690 | 551 |
| ast_of (Parser.Tip tok) = Ast.Variable (Lexicon.str_of_token tok); |
42043
2055515c9d3f
clarified Syn_Trans.parsetree_to_ast and Syn_Trans.ast_to_term;
wenzelm
parents:
40235
diff
changeset
|
552 |
in ast_of end; |
548 | 553 |
|
554 |
||
555 |
||
42043
2055515c9d3f
clarified Syn_Trans.parsetree_to_ast and Syn_Trans.ast_to_term;
wenzelm
parents:
40235
diff
changeset
|
556 |
(** ast_to_term **) |
548 | 557 |
|
42043
2055515c9d3f
clarified Syn_Trans.parsetree_to_ast and Syn_Trans.ast_to_term;
wenzelm
parents:
40235
diff
changeset
|
558 |
fun ast_to_term ctxt trf = |
548 | 559 |
let |
560 |
fun trans a args = |
|
561 |
(case trf a of |
|
15531 | 562 |
NONE => Term.list_comb (Lexicon.const a, args) |
23937
66e1f24d655d
eliminated transform_failure (to avoid critical section for main transactions);
wenzelm
parents:
23824
diff
changeset
|
563 |
| SOME f => f ctxt args); |
548 | 564 |
|
5690 | 565 |
fun term_of (Ast.Constant a) = trans a [] |
566 |
| term_of (Ast.Variable x) = Lexicon.read_var x |
|
567 |
| term_of (Ast.Appl (Ast.Constant a :: (asts as _ :: _))) = |
|
548 | 568 |
trans a (map term_of asts) |
5690 | 569 |
| term_of (Ast.Appl (ast :: (asts as _ :: _))) = |
570 |
Term.list_comb (term_of ast, map term_of asts) |
|
571 |
| term_of (ast as Ast.Appl _) = raise Ast.AST ("ast_to_term: malformed ast", [ast]); |
|
42043
2055515c9d3f
clarified Syn_Trans.parsetree_to_ast and Syn_Trans.ast_to_term;
wenzelm
parents:
40235
diff
changeset
|
572 |
in term_of end; |
548 | 573 |
|
574 |
end; |