author | skalberg |
Mon, 05 Apr 2004 13:23:10 +0200 | |
changeset 14519 | 4ca3608fdf4f |
parent 14223 | 0ee05eef881b |
child 14645 | 83776a9f0a9c |
permissions | -rw-r--r-- |
1526 | 1 |
(* Title: Pure/theory.ML |
2 |
ID: $Id$ |
|
3 |
Author: Lawrence C Paulson and Markus Wenzel |
|
12785 | 4 |
License: GPL (GNU GENERAL PUBLIC LICENSE) |
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|
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The abstract type "theory" of theories. |
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*) |
8 |
||
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signature BASIC_THEORY = |
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10 |
sig |
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type theory |
12 |
exception THEORY of string * theory list |
|
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val rep_theory: theory -> |
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{sign: Sign.sg, |
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const_deps: unit Graph.T, |
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final_consts: typ list Symtab.table, |
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axioms: term Symtab.table, |
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oracles: ((Sign.sg * Object.T -> term) * stamp) Symtab.table, |
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parents: theory list, |
20 |
ancestors: theory list} |
|
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val sign_of: theory -> Sign.sg |
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val is_draft: theory -> bool |
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val syn_of: theory -> Syntax.syntax |
24 |
val parents_of: theory -> theory list |
|
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val ancestors_of: theory -> theory list |
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val subthy: theory * theory -> bool |
27 |
val eq_thy: theory * theory -> bool |
|
28 |
val cert_axm: Sign.sg -> string * term -> string * term |
|
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val read_def_axm: Sign.sg * (indexname -> typ option) * (indexname -> sort option) -> |
30 |
string list -> string * string -> string * term |
|
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val read_axm: Sign.sg -> string * string -> string * term |
32 |
val inferT_axm: Sign.sg -> string * term -> string * term |
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33 |
end |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
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34 |
|
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
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signature THEORY = |
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parents:
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sig |
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include BASIC_THEORY |
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val axiomK: string |
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val oracleK: string |
|
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(*theory extension primitives*) |
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val add_classes: (bclass * xclass list) list -> theory -> theory |
42 |
val add_classes_i: (bclass * class list) list -> theory -> theory |
|
43 |
val add_classrel: (xclass * xclass) list -> theory -> theory |
|
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val add_classrel_i: (class * class) list -> theory -> theory |
|
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val add_defsort: string -> theory -> theory |
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val add_defsort_i: sort -> theory -> theory |
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val add_types: (bstring * int * mixfix) list -> theory -> theory |
|
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val add_nonterminals: bstring list -> theory -> theory |
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val add_tyabbrs: (bstring * string list * string * mixfix) list |
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-> theory -> theory |
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val add_tyabbrs_i: (bstring * string list * typ * mixfix) list |
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-> theory -> theory |
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val add_arities: (xstring * string list * string) list -> theory -> theory |
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val add_arities_i: (string * sort list * sort) list -> theory -> theory |
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val add_consts: (bstring * string * mixfix) list -> theory -> theory |
|
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val add_consts_i: (bstring * typ * mixfix) list -> theory -> theory |
|
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val add_syntax: (bstring * string * mixfix) list -> theory -> theory |
|
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val add_syntax_i: (bstring * typ * mixfix) list -> theory -> theory |
|
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val add_modesyntax: string * bool -> (bstring * string * mixfix) list -> theory -> theory |
|
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val add_modesyntax_i: string * bool -> (bstring * typ * mixfix) list -> theory -> theory |
|
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val add_trfuns: |
|
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(string * (Syntax.ast list -> Syntax.ast)) list * |
63 |
(string * (term list -> term)) list * |
|
64 |
(string * (term list -> term)) list * |
|
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(string * (Syntax.ast list -> Syntax.ast)) list -> theory -> theory |
|
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val add_trfunsT: |
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(string * (bool -> typ -> term list -> term)) list -> theory -> theory |
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val add_tokentrfuns: |
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(string * string * (string -> string * real)) list -> theory -> theory |
70 |
val add_mode_tokentrfuns: string -> (string * (string -> string * real)) list |
|
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-> theory -> theory |
|
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val add_trrules: (xstring * string) Syntax.trrule list -> theory -> theory |
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val add_trrules_i: Syntax.ast Syntax.trrule list -> theory -> theory |
74 |
val add_axioms: (bstring * string) list -> theory -> theory |
|
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val add_axioms_i: (bstring * term) list -> theory -> theory |
|
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val add_oracle: bstring * (Sign.sg * Object.T -> term) -> theory -> theory |
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val add_finals: bool -> string list -> theory -> theory |
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val add_finals_i: bool -> term list -> theory -> theory |
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val add_defs: bool -> (bstring * string) list -> theory -> theory |
80 |
val add_defs_i: bool -> (bstring * term) list -> theory -> theory |
|
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val add_path: string -> theory -> theory |
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val parent_path: theory -> theory |
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val root_path: theory -> theory |
|
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val absolute_path: theory -> theory |
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val hide_space: bool -> string * xstring list -> theory -> theory |
86 |
val hide_space_i: bool -> string * string list -> theory -> theory |
|
87 |
val hide_classes: bool -> string list -> theory -> theory |
|
88 |
val hide_types: bool -> string list -> theory -> theory |
|
89 |
val hide_consts: bool -> string list -> theory -> theory |
|
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val add_name: string -> theory -> theory |
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val copy: theory -> theory |
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val prep_ext: theory -> theory |
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val prep_ext_merge: theory list -> theory |
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val requires: theory -> string -> string -> unit |
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val assert_super: theory -> theory -> theory |
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val pre_pure: theory |
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end; |
98 |
||
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signature PRIVATE_THEORY = |
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sig |
101 |
include THEORY |
|
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val init_data: Object.kind -> (Object.T * (Object.T -> Object.T) * (Object.T -> Object.T) * |
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(Object.T * Object.T -> Object.T) * (Sign.sg -> Object.T -> unit)) -> theory -> theory |
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val print_data: Object.kind -> theory -> unit |
105 |
val get_data: Object.kind -> (Object.T -> 'a) -> theory -> 'a |
|
106 |
val put_data: Object.kind -> ('a -> Object.T) -> 'a -> theory -> theory |
|
107 |
end; |
|
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|
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|
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structure Theory: PRIVATE_THEORY = |
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struct |
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|
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|
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(** datatype theory **) |
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|
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(*Note: dependencies are only tracked for non-overloaded constant definitions*) |
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||
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datatype theory = |
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Theory of { |
|
120 |
sign: Sign.sg, |
|
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const_deps: unit Graph.T, |
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final_consts: typ list Symtab.table, |
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axioms: term Symtab.table, |
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oracles: ((Sign.sg * Object.T -> term) * stamp) Symtab.table, |
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parents: theory list, |
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ancestors: theory list}; |
|
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|
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fun make_theory sign const_deps final_consts axioms oracles parents ancestors = |
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Theory {sign = sign, const_deps = const_deps, final_consts = final_consts, axioms = axioms, |
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oracles = oracles, parents = parents, ancestors = ancestors}; |
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|
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fun rep_theory (Theory args) = args; |
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||
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val sign_of = #sign o rep_theory; |
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val is_draft = Sign.is_draft o sign_of; |
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val syn_of = #syn o Sign.rep_sg o sign_of; |
137 |
val parents_of = #parents o rep_theory; |
|
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val ancestors_of = #ancestors o rep_theory; |
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|
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(*errors involving theories*) |
141 |
exception THEORY of string * theory list; |
|
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||
143 |
(*compare theories*) |
|
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val subthy = Sign.subsig o pairself sign_of; |
|
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val eq_thy = Sign.eq_sg o pairself sign_of; |
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||
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(*check for some theory*) |
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fun requires thy name what = |
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if Sign.exists_stamp name (sign_of thy) then () |
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else error ("Require theory " ^ quote name ^ " as an ancestor for " ^ what); |
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|
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fun assert_super thy1 thy2 = |
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if subthy (thy1, thy2) then thy2 |
|
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else raise THEORY ("Not a super theory", [thy1, thy2]); |
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||
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(*partial Pure theory*) |
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val pre_pure = |
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make_theory Sign.pre_pure Graph.empty Symtab.empty Symtab.empty Symtab.empty [] []; |
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|
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||
161 |
||
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(** extend theory **) |
|
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||
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(*name spaces*) |
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val axiomK = "axiom"; |
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val oracleK = "oracle"; |
167 |
||
168 |
||
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(* extend logical part of a theory *) |
|
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||
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fun err_dup_axms names = |
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error ("Duplicate axiom name(s): " ^ commas_quote names); |
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|
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fun err_dup_oras names = |
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error ("Duplicate oracles: " ^ commas_quote names); |
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|
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fun ext_theory thy ext_sg ext_deps new_axms new_oras = |
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let |
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val Theory {sign, const_deps, final_consts, axioms, oracles, parents, ancestors} = thy; |
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val draft = Sign.is_draft sign; |
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val axioms' = |
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Symtab.extend (if draft then axioms else Symtab.empty, new_axms) |
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handle Symtab.DUPS names => err_dup_axms names; |
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val oracles' = |
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Symtab.extend (oracles, new_oras) |
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handle Symtab.DUPS names => err_dup_oras names; |
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val (parents', ancestors') = |
188 |
if draft then (parents, ancestors) else ([thy], thy :: ancestors); |
|
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in |
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190 |
make_theory (ext_sg sign) (ext_deps const_deps) final_consts axioms' oracles' parents' ancestors' |
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end; |
192 |
||
193 |
||
194 |
(* extend signature of a theory *) |
|
195 |
||
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fun ext_sign extfun decls thy = ext_theory thy (extfun decls) I [] []; |
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|
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val add_classes = ext_sign Sign.add_classes; |
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val add_classes_i = ext_sign Sign.add_classes_i; |
|
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val add_classrel = ext_sign Sign.add_classrel; |
|
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val add_classrel_i = ext_sign Sign.add_classrel_i; |
|
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val add_defsort = ext_sign Sign.add_defsort; |
|
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val add_defsort_i = ext_sign Sign.add_defsort_i; |
|
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val add_types = ext_sign Sign.add_types; |
|
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val add_nonterminals = ext_sign Sign.add_nonterminals; |
|
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val add_tyabbrs = ext_sign Sign.add_tyabbrs; |
|
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val add_tyabbrs_i = ext_sign Sign.add_tyabbrs_i; |
|
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val add_arities = ext_sign Sign.add_arities; |
|
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val add_arities_i = ext_sign Sign.add_arities_i; |
|
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val add_consts = ext_sign Sign.add_consts; |
|
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val add_consts_i = ext_sign Sign.add_consts_i; |
|
212 |
val add_syntax = ext_sign Sign.add_syntax; |
|
213 |
val add_syntax_i = ext_sign Sign.add_syntax_i; |
|
214 |
val add_modesyntax = curry (ext_sign Sign.add_modesyntax); |
|
215 |
val add_modesyntax_i = curry (ext_sign Sign.add_modesyntax_i); |
|
216 |
val add_trfuns = ext_sign Sign.add_trfuns; |
|
217 |
val add_trfunsT = ext_sign Sign.add_trfunsT; |
|
218 |
val add_tokentrfuns = ext_sign Sign.add_tokentrfuns; |
|
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fun add_mode_tokentrfuns m = add_tokentrfuns o map (fn (s, f) => (m, s, f)); |
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val add_trrules = ext_sign Sign.add_trrules; |
221 |
val add_trrules_i = ext_sign Sign.add_trrules_i; |
|
222 |
val add_path = ext_sign Sign.add_path; |
|
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val parent_path = add_path ".."; |
224 |
val root_path = add_path "/"; |
|
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val absolute_path = add_path "//"; |
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val add_space = ext_sign Sign.add_space; |
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val hide_space = ext_sign o Sign.hide_space; |
228 |
val hide_space_i = ext_sign o Sign.hide_space_i; |
|
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fun hide_classes b = curry (hide_space_i b) Sign.classK; |
|
230 |
fun hide_types b = curry (hide_space_i b) Sign.typeK; |
|
231 |
fun hide_consts b = curry (hide_space_i b) Sign.constK; |
|
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val add_name = ext_sign Sign.add_name; |
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val copy = ext_sign (K Sign.copy) (); |
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val prep_ext = ext_sign (K Sign.prep_ext) (); |
3814 | 235 |
|
3996 | 236 |
|
6311 | 237 |
|
3814 | 238 |
(** add axioms **) |
239 |
||
1526 | 240 |
(* prepare axioms *) |
241 |
||
242 |
fun err_in_axm name = |
|
243 |
error ("The error(s) above occurred in axiom " ^ quote name); |
|
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||
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245 |
fun no_vars sg tm = (case (term_vars tm, term_tvars tm) of |
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246 |
([], []) => tm |
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247 |
| (ts, ixns) => error (Pretty.string_of (Pretty.block (Pretty.breaks |
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248 |
(Pretty.str "Illegal schematic variable(s) in term:" :: |
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249 |
map (Sign.pretty_term sg) ts @ |
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|
250 |
map (Sign.pretty_typ sg o TVar) ixns))))); |
1526 | 251 |
|
252 |
fun cert_axm sg (name, raw_tm) = |
|
253 |
let |
|
254 |
val (t, T, _) = Sign.certify_term sg raw_tm |
|
2979 | 255 |
handle TYPE (msg, _, _) => error msg |
3996 | 256 |
| TERM (msg, _) => error msg; |
1526 | 257 |
in |
9537 | 258 |
Term.no_dummy_patterns t handle TERM (msg, _) => error msg; |
1526 | 259 |
assert (T = propT) "Term not of type prop"; |
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|
260 |
(name, no_vars sg t) |
9629 | 261 |
end; |
1526 | 262 |
|
5057 | 263 |
(*some duplication of code with read_def_cterm*) |
6661 | 264 |
fun read_def_axm (sg, types, sorts) used (name, str) = |
3814 | 265 |
let |
266 |
val ts = Syntax.read (#syn (Sign.rep_sg sg)) propT str; |
|
5057 | 267 |
val (t, _) = Sign.infer_types sg types sorts used true (ts, propT); |
9320 | 268 |
in cert_axm sg (name, t) end |
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|
269 |
handle ERROR => err_in_axm name; |
1526 | 270 |
|
5057 | 271 |
fun read_axm sg name_str = read_def_axm (sg, K None, K None) [] name_str; |
272 |
||
1526 | 273 |
fun inferT_axm sg (name, pre_tm) = |
3814 | 274 |
let |
4251 | 275 |
val (t, _) = Sign.infer_types sg (K None) (K None) [] true ([pre_tm], propT); |
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|
276 |
in (name, no_vars sg t) end |
1526 | 277 |
handle ERROR => err_in_axm name; |
278 |
||
279 |
||
280 |
(* extend axioms of a theory *) |
|
281 |
||
3814 | 282 |
fun ext_axms prep_axm raw_axms (thy as Theory {sign, ...}) = |
1526 | 283 |
let |
3814 | 284 |
val raw_axms' = map (apfst (Sign.full_name sign)) raw_axms; |
285 |
val axioms = |
|
286 |
map (apsnd (Term.compress_term o Logic.varify) o prep_axm sign) raw_axms'; |
|
4996 | 287 |
val ext_sg = Sign.add_space (axiomK, map fst axioms); |
9320 | 288 |
in ext_theory thy ext_sg I axioms [] end; |
1526 | 289 |
|
290 |
val add_axioms = ext_axms read_axm; |
|
291 |
val add_axioms_i = ext_axms cert_axm; |
|
292 |
||
293 |
||
3814 | 294 |
(* add oracle **) |
295 |
||
296 |
fun add_oracle (raw_name, oracle) (thy as Theory {sign, ...}) = |
|
297 |
let |
|
298 |
val name = Sign.full_name sign raw_name; |
|
4996 | 299 |
val ext_sg = Sign.add_space (oracleK, [name]); |
9320 | 300 |
in ext_theory thy ext_sg I [] [(name, (oracle, stamp ()))] end; |
3814 | 301 |
|
302 |
||
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|
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
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parents:
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|
304 |
(** add constant definitions **) |
e2bb53d8dd26
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wenzelm
parents:
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changeset
|
305 |
|
e2bb53d8dd26
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parents:
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|
306 |
(* clash_types, clash_consts *) |
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|
307 |
|
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parents:
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|
308 |
(*check if types have common instance (ignoring sorts)*) |
e2bb53d8dd26
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parents:
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|
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310 |
fun clash_types ty1 ty2 = |
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|
311 |
let |
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|
312 |
val ty1' = Type.varifyT ty1; |
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|
313 |
val ty2' = incr_tvar (maxidx_of_typ ty1' + 1) (Type.varifyT ty2); |
9320 | 314 |
in Type.raw_unify (ty1', ty2') end; |
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changeset
|
315 |
|
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|
316 |
fun clash_consts (c1, ty1) (c2, ty2) = |
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|
317 |
c1 = c2 andalso clash_types ty1 ty2; |
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|
318 |
|
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changeset
|
319 |
|
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|
320 |
(* clash_defns *) |
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|
321 |
|
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|
322 |
fun clash_defn c_ty (name, tm) = |
14204 | 323 |
let val (c, ty') = dest_Const (head_of (fst (Logic.dest_equals (Logic.strip_imp_concl tm)))) in |
3767
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|
324 |
if clash_consts c_ty (c, ty') then Some (name, ty') else None |
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|
325 |
end handle TERM _ => None; |
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|
326 |
|
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|
327 |
fun clash_defns c_ty axms = |
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|
328 |
distinct (mapfilter (clash_defn c_ty) axms); |
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|
329 |
|
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|
330 |
|
9320 | 331 |
(* overloading *) |
9280 | 332 |
|
9320 | 333 |
datatype overloading = NoOverloading | Useless | Plain; |
334 |
||
335 |
fun overloading sg declT defT = |
|
10403 | 336 |
let val T = Term.incr_tvar (maxidx_of_typ declT + 1) (Type.varifyT defT) in |
337 |
if Sign.typ_instance sg (declT, T) then NoOverloading |
|
338 |
else if Sign.typ_instance sg (Type.rem_sorts declT, Type.rem_sorts T) then Useless |
|
9320 | 339 |
else Plain |
9280 | 340 |
end; |
341 |
||
342 |
||
3767
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|
343 |
(* dest_defn *) |
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|
344 |
|
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|
345 |
fun dest_defn tm = |
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|
346 |
let |
3787
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new internal forms: add_classes_i, add_classrel_i, add_defsort_i, add_arities_i
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|
347 |
fun err msg = raise TERM (msg, [tm]); |
3767
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|
348 |
|
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|
349 |
val (lhs, rhs) = Logic.dest_equals (Logic.strip_imp_concl tm) |
e2bb53d8dd26
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|
350 |
handle TERM _ => err "Not a meta-equality (==)"; |
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|
351 |
val (head, args) = strip_comb lhs; |
9320 | 352 |
val c_ty as (c, ty) = dest_Const head |
3767
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|
353 |
handle TERM _ => err "Head of lhs not a constant"; |
e2bb53d8dd26
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|
354 |
|
4141 | 355 |
fun dest_free (Free (x, _)) = x |
356 |
| dest_free (Const ("TYPE", Type ("itself", [TFree (x, _)]))) = x |
|
357 |
| dest_free _ = raise Match; |
|
358 |
||
359 |
val show_frees = commas_quote o map dest_free; |
|
3767
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|
360 |
val show_tfrees = commas_quote o map fst; |
e2bb53d8dd26
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changeset
|
361 |
|
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parents:
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changeset
|
362 |
val lhs_dups = duplicates args; |
e2bb53d8dd26
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parents:
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changeset
|
363 |
val rhs_extras = gen_rems (op =) (term_frees rhs, args); |
e2bb53d8dd26
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changeset
|
364 |
val rhs_extrasT = gen_rems (op =) (term_tfrees rhs, typ_tfrees ty); |
e2bb53d8dd26
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wenzelm
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changeset
|
365 |
in |
4141 | 366 |
if not (forall (can dest_free) args) then |
3767
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changeset
|
367 |
err "Arguments (on lhs) must be variables" |
e2bb53d8dd26
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parents:
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changeset
|
368 |
else if not (null lhs_dups) then |
e2bb53d8dd26
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wenzelm
parents:
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changeset
|
369 |
err ("Duplicate variables on lhs: " ^ show_frees lhs_dups) |
e2bb53d8dd26
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parents:
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changeset
|
370 |
else if not (null rhs_extras) then |
e2bb53d8dd26
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parents:
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changeset
|
371 |
err ("Extra variables on rhs: " ^ show_frees rhs_extras) |
e2bb53d8dd26
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parents:
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changeset
|
372 |
else if not (null rhs_extrasT) then |
e2bb53d8dd26
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wenzelm
parents:
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changeset
|
373 |
err ("Extra type variables on rhs: " ^ show_tfrees rhs_extrasT) |
9282
0181ac100520
Defs are now checked for circularity (if not overloaded).
nipkow
parents:
9280
diff
changeset
|
374 |
else if exists_Const (fn c_ty' => c_ty' = c_ty) rhs then |
3767
e2bb53d8dd26
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parents:
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changeset
|
375 |
err ("Constant to be defined occurs on rhs") |
9320 | 376 |
else (c_ty, rhs) |
3767
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
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changeset
|
377 |
end; |
e2bb53d8dd26
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parents:
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changeset
|
378 |
|
e2bb53d8dd26
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parents:
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changeset
|
379 |
|
e2bb53d8dd26
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changeset
|
380 |
(* check_defn *) |
e2bb53d8dd26
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parents:
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changeset
|
381 |
|
3814 | 382 |
fun err_in_defn sg name msg = |
9320 | 383 |
(error_msg msg; |
384 |
error ("The error(s) above occurred in definition " ^ quote (Sign.full_name sg name))); |
|
385 |
||
9332 | 386 |
fun cycle_msg namess = "Cyclic dependency of constants:\n" ^ |
387 |
cat_lines (map (space_implode " -> " o map quote o rev) namess); |
|
3767
e2bb53d8dd26
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wenzelm
parents:
2979
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changeset
|
388 |
|
9320 | 389 |
fun add_deps (c, cs) deps = |
390 |
let fun declare (G, x) = Graph.new_node (x, ()) G handle Graph.DUP _ => G |
|
391 |
in foldl declare (deps, c :: cs) |> Graph.add_deps_acyclic (c, cs) end; |
|
392 |
||
14223
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
393 |
fun check_defn sg overloaded final_consts ((deps, axms), def as (name, tm)) = |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
394 |
let |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
395 |
fun is_final (c, ty) = |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
396 |
case Symtab.lookup(final_consts,c) of |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
397 |
Some [] => true |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
398 |
| Some tys => exists (curry (Sign.typ_instance sg) ty) tys |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
399 |
| None => false; |
9320 | 400 |
|
10494 | 401 |
fun pretty_const (c, ty) = [Pretty.str c, Pretty.str " ::", Pretty.brk 1, |
402 |
Pretty.quote (Sign.pretty_typ sg (#1 (Type.freeze_thaw_type ty)))]; |
|
3767
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
403 |
|
10494 | 404 |
fun def_txt (c_ty, txt) = Pretty.block |
405 |
(Pretty.str "Definition of " :: pretty_const c_ty @ |
|
406 |
(if txt = "" then [] else [Pretty.str txt])); |
|
407 |
||
408 |
fun show_defn c (dfn, ty') = Pretty.block |
|
409 |
(Pretty.str " " :: pretty_const (c, ty') @ [Pretty.str " in ", Pretty.str dfn]); |
|
3767
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
410 |
|
9320 | 411 |
val (c_ty as (c, ty), rhs) = dest_defn tm |
9280 | 412 |
handle TERM (msg, _) => err_in_defn sg name msg; |
9320 | 413 |
val c_decl = |
414 |
(case Sign.const_type sg c of Some T => T |
|
415 |
| None => err_in_defn sg name ("Undeclared constant " ^ quote c)); |
|
416 |
||
417 |
val clashed = clash_defns c_ty axms; |
|
3767
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
418 |
in |
9320 | 419 |
if not (null clashed) then |
10494 | 420 |
err_in_defn sg name (Pretty.string_of (Pretty.chunks |
421 |
(def_txt (c_ty, " clashes with") :: map (show_defn c) clashed))) |
|
14223
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
422 |
else if is_final c_ty then |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
423 |
err_in_defn sg name (Pretty.string_of (Pretty.block |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
424 |
([Pretty.str "The constant",Pretty.brk 1] @ |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
425 |
pretty_const c_ty @ |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
426 |
[Pretty.brk 1,Pretty.str "has been declared final"]))) |
9320 | 427 |
else |
428 |
(case overloading sg c_decl ty of |
|
429 |
NoOverloading => |
|
13646 | 430 |
(add_deps (c, Term.term_consts rhs) deps |
9320 | 431 |
handle Graph.CYCLES namess => err_in_defn sg name (cycle_msg namess), |
432 |
def :: axms) |
|
433 |
| Useless => |
|
10494 | 434 |
err_in_defn sg name (Pretty.string_of (Pretty.chunks |
435 |
[Library.setmp show_sorts true def_txt (c_ty, ""), Pretty.str |
|
436 |
"imposes additional sort constraints on the declared type of the constant"])) |
|
9320 | 437 |
| Plain => |
10494 | 438 |
(if not overloaded then warning (Pretty.string_of (Pretty.chunks |
439 |
[def_txt (c_ty, ""), Pretty.str ("is strictly less general than the declared type (see " |
|
440 |
^ quote (Sign.full_name sg name) ^ ")")])) |
|
9320 | 441 |
else (); (deps, def :: axms))) |
3767
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
442 |
end; |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
443 |
|
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
444 |
|
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
445 |
(* add_defs *) |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
446 |
|
9320 | 447 |
fun ext_defns prep_axm overloaded raw_axms thy = |
3767
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
448 |
let |
14223
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
449 |
val Theory {sign, const_deps, final_consts, axioms, oracles, parents, ancestors} = thy; |
9320 | 450 |
val all_axioms = flat (map (Symtab.dest o #axioms o rep_theory) (thy :: ancestors)); |
451 |
||
452 |
val axms = map (prep_axm sign) raw_axms; |
|
14223
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
453 |
val (const_deps', _) = foldl (check_defn sign overloaded final_consts) ((const_deps, all_axioms), axms); |
3767
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
454 |
in |
14223
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
455 |
make_theory sign const_deps' final_consts axioms oracles parents ancestors |
9320 | 456 |
|> add_axioms_i axms |
3767
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
457 |
end; |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
458 |
|
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
459 |
val add_defs_i = ext_defns cert_axm; |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
460 |
val add_defs = ext_defns read_axm; |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
461 |
|
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
462 |
|
14223
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
463 |
(* add_finals *) |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
464 |
|
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
465 |
fun ext_finals prep_term overloaded raw_terms thy = |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
466 |
let |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
467 |
val Theory {sign, const_deps, final_consts, axioms, oracles, parents, ancestors} = thy; |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
468 |
fun mk_final (finals,tm) = |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
469 |
let |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
470 |
fun err msg = raise TERM(msg,[tm]); |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
471 |
val (c,ty) = dest_Const tm |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
472 |
handle TERM _ => err "Can only make constants final"; |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
473 |
val c_decl = |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
474 |
(case Sign.const_type sign c of Some T => T |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
475 |
| None => err ("Undeclared constant " ^ quote c)); |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
476 |
val simple = |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
477 |
case overloading sign c_decl ty of |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
478 |
NoOverloading => true |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
479 |
| Useless => err "Sort restrictions too strong" |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
480 |
| Plain => if overloaded then false |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
481 |
else err "Type is more general than declared"; |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
482 |
val typ_instance = Sign.typ_instance sign; |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
483 |
in |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
484 |
if simple then |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
485 |
(case Symtab.lookup(finals,c) of |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
486 |
Some [] => err "Constant already final" |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
487 |
| _ => Symtab.update((c,[]),finals)) |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
488 |
else |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
489 |
(case Symtab.lookup(finals,c) of |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
490 |
Some [] => err "Constant already completely final" |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
491 |
| Some tys => if exists (curry typ_instance ty) tys |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
492 |
then err "Instance of constant is already final" |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
493 |
else Symtab.update((c,ty::gen_rem typ_instance (tys,ty)),finals) |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
494 |
| None => Symtab.update((c,[ty]),finals)) |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
495 |
end; |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
496 |
val consts = map (prep_term sign) raw_terms; |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
497 |
val final_consts' = foldl mk_final (final_consts,consts); |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
498 |
in |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
499 |
make_theory sign const_deps final_consts' axioms oracles parents ancestors |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
500 |
end; |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
501 |
|
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
502 |
local |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
503 |
fun read_term sg = Sign.simple_read_term sg TypeInfer.logicT; |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
504 |
val cert_term = #1 oo Sign.certify_term; |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
505 |
in |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
506 |
val add_finals = ext_finals read_term; |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
507 |
val add_finals_i = ext_finals cert_term; |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
508 |
end; |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
509 |
|
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
510 |
fun merge_final sg = |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
511 |
let |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
512 |
fun merge_single (tys,ty) = |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
513 |
if exists (curry (Sign.typ_instance sg) ty) tys |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
514 |
then tys |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
515 |
else (ty::gen_rem (Sign.typ_instance sg) (tys,ty)); |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
516 |
fun merge ([],_) = [] |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
517 |
| merge (_,[]) = [] |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
518 |
| merge input = foldl merge_single input; |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
519 |
in |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
520 |
Some o merge |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
521 |
end; |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
522 |
|
3878 | 523 |
|
3865 | 524 |
(** additional theory data **) |
525 |
||
4996 | 526 |
val init_data = curry (ext_sign Sign.init_data); |
527 |
fun print_data kind = Sign.print_data kind o sign_of; |
|
528 |
fun get_data kind f = Sign.get_data kind f o sign_of; |
|
529 |
fun put_data kind f = ext_sign (Sign.put_data kind f); |
|
3865 | 530 |
|
531 |
||
3767
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
532 |
|
6661 | 533 |
(** merge theories **) (*exception ERROR*) |
4019 | 534 |
|
535 |
fun merge_sign (sg, thy) = |
|
4627 | 536 |
Sign.nontriv_merge (sg, sign_of thy) handle TERM (msg, _) => error msg; |
1526 | 537 |
|
3878 | 538 |
(*merge list of theories from left to right, preparing extend*) |
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
539 |
fun prep_ext_merge thys = |
3996 | 540 |
if null thys then |
4019 | 541 |
error "Merge: no parent theories" |
6188 | 542 |
else if exists is_draft thys then |
4019 | 543 |
error "Attempt to merge draft theories" |
3996 | 544 |
else |
545 |
let |
|
546 |
val sign' = |
|
4019 | 547 |
foldl merge_sign (sign_of (hd thys), tl thys) |
3996 | 548 |
|> Sign.prep_ext |
549 |
|> Sign.add_path "/"; |
|
3814 | 550 |
|
9282
0181ac100520
Defs are now checked for circularity (if not overloaded).
nipkow
parents:
9280
diff
changeset
|
551 |
val depss = map (#const_deps o rep_theory) thys; |
9320 | 552 |
val deps' = foldl (Graph.merge_acyclic (K true)) (hd depss, tl depss) |
553 |
handle Graph.CYCLES namess => error (cycle_msg namess); |
|
9282
0181ac100520
Defs are now checked for circularity (if not overloaded).
nipkow
parents:
9280
diff
changeset
|
554 |
|
14223
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
555 |
val final_constss = map (#final_consts o rep_theory) thys; |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
556 |
val final_consts' = foldl (Symtab.join (merge_final sign')) (hd final_constss, |
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
557 |
tl final_constss); |
4488 | 558 |
val axioms' = Symtab.empty; |
4019 | 559 |
|
3996 | 560 |
fun eq_ora ((_, (_, s1: stamp)), (_, (_, s2))) = s1 = s2; |
561 |
val oracles' = |
|
562 |
Symtab.make (gen_distinct eq_ora |
|
563 |
(flat (map (Symtab.dest o #oracles o rep_theory) thys))) |
|
564 |
handle Symtab.DUPS names => err_dup_oras names; |
|
4019 | 565 |
|
566 |
val parents' = gen_distinct eq_thy thys; |
|
567 |
val ancestors' = |
|
568 |
gen_distinct eq_thy (parents' @ flat (map ancestors_of thys)); |
|
3996 | 569 |
in |
14223
0ee05eef881b
Added support for making constants final, that is, ensuring that no
skalberg
parents:
14204
diff
changeset
|
570 |
make_theory sign' deps' final_consts' axioms' oracles' parents' ancestors' |
3996 | 571 |
end; |
1526 | 572 |
|
3885 | 573 |
|
1526 | 574 |
end; |
575 |
||
3767
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
576 |
structure BasicTheory: BASIC_THEORY = Theory; |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
577 |
open BasicTheory; |