author | wenzelm |
Sun, 15 Apr 2007 14:31:54 +0200 | |
changeset 22696 | 00fc658c4fe5 |
parent 22683 | 0e9a65ddfe9d |
child 22709 | 9ab51bac6287 |
permissions | -rw-r--r-- |
19 | 1 |
(* Title: Pure/sign.ML |
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ID: $Id$ |
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Author: Lawrence C Paulson and Markus Wenzel |
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Logical signature content: naming conventions, concrete syntax, type |
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signature, polymorphic constants. |
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*) |
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||
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signature SIGN_THEORY = |
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sig |
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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_typedecls: (bstring * string list * 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 -> theory -> theory |
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val add_tyabbrs_i: (bstring * string list * 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: Syntax.mode -> (bstring * string * mixfix) list -> theory -> theory |
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val add_modesyntax_i: Syntax.mode -> (bstring * typ * mixfix) list -> theory -> theory |
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val del_modesyntax: Syntax.mode -> (bstring * string * mixfix) list -> theory -> theory |
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val del_modesyntax_i: Syntax.mode -> (bstring * typ * mixfix) 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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add_const_constraint(_i): demand TFrees instead of TVars, optional type (i.e. may delete constraints);
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val add_const_constraint: xstring * string option -> theory -> theory |
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val add_const_constraint_i: string * typ option -> theory -> theory |
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val primitive_class: string * class list -> theory -> theory |
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val primitive_classrel: class * class -> theory -> theory |
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val primitive_arity: arity -> theory -> theory |
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val add_trfuns: |
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(string * (ast list -> 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 list -> 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_advanced_trfuns: |
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(string * (Proof.context -> ast list -> ast)) list * |
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(string * (Proof.context -> term list -> term)) list * |
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(string * (Proof.context -> term list -> term)) list * |
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(string * (Proof.context -> ast list -> ast)) list -> theory -> theory |
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val add_advanced_trfunsT: |
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(string * (Proof.context -> 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 |
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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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declared_const: check for type constraint only, i.e. admit abbreviations as well;
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val del_trrules: (xstring * string) Syntax.trrule list -> theory -> theory |
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val add_trrules_i: ast Syntax.trrule list -> theory -> theory |
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val del_trrules_i: ast Syntax.trrule 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 local_path: theory -> theory |
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val no_base_names: theory -> theory |
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val qualified_names: theory -> theory |
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val sticky_prefix: string -> theory -> theory |
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val set_policy: (string -> bstring -> string) * (string list -> string list list) -> |
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theory -> theory |
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val restore_naming: theory -> theory -> theory |
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val hide_classes: bool -> xstring list -> theory -> theory |
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val hide_classes_i: bool -> string list -> theory -> theory |
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val hide_types: bool -> xstring list -> theory -> theory |
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val hide_types_i: bool -> string list -> theory -> theory |
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val hide_consts: bool -> xstring list -> theory -> theory |
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val hide_consts_i: bool -> string list -> theory -> theory |
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val hide_names: bool -> string * xstring list -> theory -> theory |
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val hide_names_i: bool -> string * string list -> theory -> theory |
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end |
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signature SIGN = |
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sig |
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val init_data: theory -> theory |
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val rep_sg: theory -> |
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{naming: NameSpace.naming, |
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syn: Syntax.syntax, |
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tsig: Type.tsig, |
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consts: Consts.T} |
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val naming_of: theory -> NameSpace.naming |
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val base_name: string -> bstring |
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val full_name: theory -> bstring -> string |
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val full_name_path: theory -> string -> bstring -> string |
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val declare_name: theory -> string -> NameSpace.T -> NameSpace.T |
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val syn_of: theory -> Syntax.syntax |
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val tsig_of: theory -> Type.tsig |
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val classes_of: theory -> Sorts.algebra |
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val all_classes: theory -> class list |
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val super_classes: theory -> class -> class list |
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val defaultS: theory -> sort |
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val subsort: theory -> sort * sort -> bool |
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val of_sort: theory -> typ * sort -> bool |
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val witness_sorts: theory -> sort list -> sort list -> (typ * sort) list |
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val universal_witness: theory -> (typ * sort) option |
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val all_sorts_nonempty: theory -> bool |
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val typ_instance: theory -> typ * typ -> bool |
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val typ_equiv: theory -> typ * typ -> bool |
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val typ_match: theory -> typ * typ -> Type.tyenv -> Type.tyenv |
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val typ_unify: theory -> typ * typ -> Type.tyenv * int -> Type.tyenv * int |
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val is_logtype: theory -> string -> bool |
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val consts_of: theory -> Consts.T |
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val const_constraint: theory -> string -> typ option |
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val the_const_constraint: theory -> string -> typ |
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val const_type: theory -> string -> typ option |
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val the_const_type: theory -> string -> typ |
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val declared_tyname: theory -> string -> bool |
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val declared_const: theory -> string -> bool |
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val const_monomorphic: theory -> string -> bool |
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val const_syntax_name: theory -> string -> string |
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val const_typargs: theory -> string * typ -> typ list |
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val const_instance: theory -> string * typ list -> typ |
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val class_space: theory -> NameSpace.T |
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val type_space: theory -> NameSpace.T |
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val const_space: theory -> NameSpace.T |
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val intern_class: theory -> xstring -> string |
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val extern_class: theory -> string -> xstring |
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val intern_type: theory -> xstring -> string |
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val extern_type: theory -> string -> xstring |
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val intern_const: theory -> xstring -> string |
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val extern_const: theory -> string -> xstring |
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val intern_sort: theory -> sort -> sort |
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val extern_sort: theory -> sort -> sort |
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val intern_typ: theory -> typ -> typ |
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val extern_typ: theory -> typ -> typ |
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val intern_term: theory -> term -> term |
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val extern_term: (string -> xstring) -> theory -> term -> term |
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val intern_tycons: theory -> typ -> typ |
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val pretty_term': Proof.context -> Syntax.syntax -> (string -> xstring) -> term -> Pretty.T |
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val pretty_term: theory -> term -> Pretty.T |
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val pretty_typ: theory -> typ -> Pretty.T |
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val pretty_sort: theory -> sort -> Pretty.T |
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val pretty_classrel: theory -> class list -> Pretty.T |
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val pretty_arity: theory -> arity -> Pretty.T |
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val string_of_term: theory -> term -> string |
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val string_of_typ: theory -> typ -> string |
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val string_of_sort: theory -> sort -> string |
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val string_of_classrel: theory -> class list -> string |
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val string_of_arity: theory -> arity -> string |
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val pp: theory -> Pretty.pp |
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val arity_number: theory -> string -> int |
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val arity_sorts: theory -> string -> sort -> sort list |
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val certify_class: theory -> class -> class |
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val certify_sort: theory -> sort -> sort |
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val certify_typ: theory -> typ -> typ |
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147 |
val certify_typ_syntax: theory -> typ -> typ |
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148 |
val certify_typ_abbrev: theory -> typ -> typ |
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149 |
val certify': bool -> bool -> Pretty.pp -> Consts.T -> theory -> term -> term * typ * int |
18967 | 150 |
val certify_term: theory -> term -> term * typ * int |
151 |
val certify_prop: theory -> term -> term * typ * int |
|
16494 | 152 |
val cert_term: theory -> term -> term |
153 |
val cert_prop: theory -> term -> term |
|
21741 | 154 |
val no_frees: Pretty.pp -> term -> term |
18941 | 155 |
val no_vars: Pretty.pp -> term -> term |
156 |
val cert_def: Pretty.pp -> term -> (string * typ) * term |
|
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157 |
val read_class: theory -> xstring -> class |
21772 | 158 |
val read_sort': Syntax.syntax -> Proof.context -> string -> sort |
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159 |
val read_sort: theory -> string -> sort |
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160 |
val read_arity: theory -> xstring * string list * string -> arity |
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161 |
val cert_arity: theory -> arity -> arity |
21772 | 162 |
val read_typ': Syntax.syntax -> Proof.context -> (indexname -> sort option) -> string -> typ |
163 |
val read_typ_syntax': Syntax.syntax -> Proof.context -> |
|
18857 | 164 |
(indexname -> sort option) -> string -> typ |
21772 | 165 |
val read_typ_abbrev': Syntax.syntax -> Proof.context -> |
18857 | 166 |
(indexname -> sort option) -> string -> typ |
22683 | 167 |
val read_def_typ: theory * (indexname -> sort option) -> string -> typ |
168 |
val read_typ: theory -> string -> typ |
|
169 |
val read_typ_syntax: theory -> string -> typ |
|
170 |
val read_typ_abbrev: theory -> string -> typ |
|
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171 |
val read_tyname: theory -> string -> typ |
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172 |
val read_const: theory -> string -> term |
18967 | 173 |
val read_def_terms': Pretty.pp -> (string -> bool) -> Syntax.syntax -> Consts.T -> |
22696 | 174 |
(string -> string option) -> Proof.context -> |
175 |
(indexname -> typ option) * (indexname -> sort option) -> |
|
20155 | 176 |
Name.context -> bool -> (string * typ) list -> term list * (indexname * typ) list |
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177 |
val read_def_terms: |
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178 |
theory * (indexname -> typ option) * (indexname -> sort option) -> |
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179 |
string list -> bool -> (string * typ) list -> term list * (indexname * typ) list |
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180 |
val simple_read_term: theory -> typ -> string -> term |
16494 | 181 |
val read_term: theory -> string -> term |
182 |
val read_prop: theory -> string -> term |
|
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183 |
val add_consts_authentic: (bstring * typ * mixfix) list -> theory -> theory |
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184 |
val add_notation: Syntax.mode -> (term * mixfix) list -> theory -> theory |
21796 | 185 |
val add_abbrev: string -> bstring * term -> theory -> (term * term) * theory |
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186 |
include SIGN_THEORY |
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187 |
end |
5642 | 188 |
|
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189 |
structure Sign: SIGN = |
143 | 190 |
struct |
0 | 191 |
|
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192 |
(** datatype sign **) |
16337 | 193 |
|
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194 |
datatype sign = Sign of |
18062 | 195 |
{naming: NameSpace.naming, (*common naming conventions*) |
196 |
syn: Syntax.syntax, (*concrete syntax for terms, types, sorts*) |
|
197 |
tsig: Type.tsig, (*order-sorted signature of types*) |
|
198 |
consts: Consts.T}; (*polymorphic constants*) |
|
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199 |
|
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200 |
fun make_sign (naming, syn, tsig, consts) = |
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201 |
Sign {naming = naming, syn = syn, tsig = tsig, consts = consts}; |
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202 |
|
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|
203 |
structure SignData = TheoryDataFun |
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|
204 |
(struct |
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205 |
val name = "Pure/sign"; |
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|
206 |
type T = sign; |
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207 |
val copy = I; |
17405 | 208 |
fun extend (Sign {syn, tsig, consts, ...}) = |
209 |
make_sign (NameSpace.default_naming, syn, tsig, consts); |
|
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210 |
|
18062 | 211 |
val empty = |
18714 | 212 |
make_sign (NameSpace.default_naming, Syntax.basic_syn, Type.empty_tsig, Consts.empty); |
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|
213 |
|
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|
214 |
fun merge pp (sign1, sign2) = |
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215 |
let |
18062 | 216 |
val Sign {naming = _, syn = syn1, tsig = tsig1, consts = consts1} = sign1; |
217 |
val Sign {naming = _, syn = syn2, tsig = tsig2, consts = consts2} = sign2; |
|
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|
218 |
|
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219 |
val naming = NameSpace.default_naming; |
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220 |
val syn = Syntax.merge_syntaxes syn1 syn2; |
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221 |
val tsig = Type.merge_tsigs pp (tsig1, tsig2); |
18062 | 222 |
val consts = Consts.merge (consts1, consts2); |
223 |
in make_sign (naming, syn, tsig, consts) end; |
|
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224 |
|
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|
225 |
fun print _ _ = (); |
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|
226 |
end); |
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|
227 |
|
16536 | 228 |
val init_data = SignData.init; |
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229 |
|
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230 |
fun rep_sg thy = SignData.get thy |> (fn Sign args => args); |
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231 |
|
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232 |
fun map_sign f = SignData.map (fn Sign {naming, syn, tsig, consts} => |
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233 |
make_sign (f (naming, syn, tsig, consts))); |
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|
234 |
|
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|
235 |
fun map_naming f = map_sign (fn (naming, syn, tsig, consts) => (f naming, syn, tsig, consts)); |
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|
236 |
fun map_syn f = map_sign (fn (naming, syn, tsig, consts) => (naming, f syn, tsig, consts)); |
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|
237 |
fun map_tsig f = map_sign (fn (naming, syn, tsig, consts) => (naming, syn, f tsig, consts)); |
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|
238 |
fun map_consts f = map_sign (fn (naming, syn, tsig, consts) => (naming, syn, tsig, f consts)); |
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|
239 |
|
16337 | 240 |
|
241 |
(* naming *) |
|
242 |
||
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|
243 |
val naming_of = #naming o rep_sg; |
16337 | 244 |
val base_name = NameSpace.base; |
245 |
val full_name = NameSpace.full o naming_of; |
|
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|
246 |
fun full_name_path thy elems = NameSpace.full (NameSpace.add_path elems (naming_of thy)); |
16337 | 247 |
val declare_name = NameSpace.declare o naming_of; |
14645 | 248 |
|
249 |
||
250 |
(* syntax *) |
|
251 |
||
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|
252 |
val syn_of = #syn o rep_sg; |
14645 | 253 |
|
0 | 254 |
|
16337 | 255 |
(* type signature *) |
256 |
||
257 |
val tsig_of = #tsig o rep_sg; |
|
19642 | 258 |
val classes_of = #2 o #classes o Type.rep_tsig o tsig_of; |
21932
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|
259 |
val all_classes = Sorts.all_classes o classes_of; |
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|
260 |
val minimal_classes = Sorts.minimal_classes o classes_of; |
19642 | 261 |
val super_classes = Sorts.super_classes o classes_of; |
4844 | 262 |
val defaultS = Type.defaultS o tsig_of; |
4568 | 263 |
val subsort = Type.subsort o tsig_of; |
7640 | 264 |
val of_sort = Type.of_sort o tsig_of; |
265 |
val witness_sorts = Type.witness_sorts o tsig_of; |
|
14784
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xxx_typ_raw replace xxx_typ_no_norm forms; prevent duplicate consts declarations in merge; misc cleanup;
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|
266 |
val universal_witness = Type.universal_witness o tsig_of; |
16655 | 267 |
val all_sorts_nonempty = is_some o universal_witness; |
14784
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|
268 |
val typ_instance = Type.typ_instance o tsig_of; |
19427 | 269 |
fun typ_equiv thy (T, U) = typ_instance thy (T, U) andalso typ_instance thy (U, T); |
16941
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|
270 |
val typ_match = Type.typ_match o tsig_of; |
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|
271 |
val typ_unify = Type.unify o tsig_of; |
20664 | 272 |
val is_logtype = member (op =) o Type.logical_types o tsig_of; |
4256 | 273 |
|
274 |
||
18062 | 275 |
(* polymorphic constants *) |
16941
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|
276 |
|
18062 | 277 |
val consts_of = #consts o rep_sg; |
21722 | 278 |
val the_const_constraint = Consts.the_constraint o consts_of; |
18062 | 279 |
val const_constraint = try o the_const_constraint; |
21722 | 280 |
val the_const_type = Consts.the_declaration o consts_of; |
18062 | 281 |
val const_type = try o the_const_type; |
21722 | 282 |
val const_monomorphic = Consts.is_monomorphic o consts_of; |
21183 | 283 |
val const_syntax_name = Consts.syntax_name o consts_of; |
18062 | 284 |
val const_typargs = Consts.typargs o consts_of; |
18164 | 285 |
val const_instance = Consts.instance o consts_of; |
4256 | 286 |
|
16894 | 287 |
val declared_tyname = Symtab.defined o #2 o #types o Type.rep_tsig o tsig_of; |
19258
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declared_const: check for type constraint only, i.e. admit abbreviations as well;
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|
288 |
val declared_const = is_some oo const_constraint; |
620 | 289 |
|
402 | 290 |
|
0 | 291 |
|
16337 | 292 |
(** intern / extern names **) |
293 |
||
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|
294 |
val class_space = #1 o #classes o Type.rep_tsig o tsig_of; |
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|
295 |
val type_space = #1 o #types o Type.rep_tsig o tsig_of; |
18967 | 296 |
val const_space = Consts.space_of o consts_of; |
14645 | 297 |
|
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|
298 |
val intern_class = NameSpace.intern o class_space; |
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|
299 |
val extern_class = NameSpace.extern o class_space; |
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|
300 |
val intern_type = NameSpace.intern o type_space; |
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|
301 |
val extern_type = NameSpace.extern o type_space; |
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|
302 |
val intern_const = NameSpace.intern o const_space; |
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|
303 |
val extern_const = NameSpace.extern o const_space; |
16337 | 304 |
|
305 |
val intern_sort = map o intern_class; |
|
306 |
val extern_sort = map o extern_class; |
|
307 |
||
308 |
local |
|
14645 | 309 |
|
18892 | 310 |
fun map_typ f g (Type (c, Ts)) = Type (g c, map (map_typ f g) Ts) |
311 |
| map_typ f _ (TFree (x, S)) = TFree (x, map f S) |
|
312 |
| map_typ f _ (TVar (xi, S)) = TVar (xi, map f S); |
|
313 |
||
314 |
fun map_term f g h (Const (c, T)) = Const (h c, map_typ f g T) |
|
315 |
| map_term f g _ (Free (x, T)) = Free (x, map_typ f g T) |
|
316 |
| map_term f g _ (Var (xi, T)) = Var (xi, map_typ f g T) |
|
317 |
| map_term _ _ _ (t as Bound _) = t |
|
318 |
| map_term f g h (Abs (x, T, t)) = Abs (x, map_typ f g T, map_term f g h t) |
|
319 |
| map_term f g h (t $ u) = map_term f g h t $ map_term f g h u; |
|
320 |
||
18994 | 321 |
val add_classesT = Term.fold_atyps |
322 |
(fn TFree (_, S) => fold (insert (op =)) S |
|
323 |
| TVar (_, S) => fold (insert (op =)) S |
|
324 |
| _ => I); |
|
325 |
||
326 |
fun add_tyconsT (Type (c, Ts)) = insert (op =) c #> fold add_tyconsT Ts |
|
327 |
| add_tyconsT _ = I; |
|
328 |
||
329 |
val add_consts = Term.fold_aterms (fn Const (c, _) => insert (op =) c | _ => I); |
|
330 |
||
16337 | 331 |
fun mapping add_names f t = |
332 |
let |
|
20664 | 333 |
fun f' (x: string) = let val y = f x in if x = y then NONE else SOME (x, y) end; |
19482
9f11af8f7ef9
tuned basic list operators (flat, maps, map_filter);
wenzelm
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diff
changeset
|
334 |
val tab = map_filter f' (add_names t []); |
18941 | 335 |
fun get x = the_default x (AList.lookup (op =) tab x); |
16337 | 336 |
in get end; |
337 |
||
16442
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|
338 |
fun typ_mapping f g thy T = |
18892 | 339 |
T |> map_typ |
18994 | 340 |
(mapping add_classesT (f thy) T) |
341 |
(mapping add_tyconsT (g thy) T); |
|
14645 | 342 |
|
16442
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|
343 |
fun term_mapping f g h thy t = |
18892 | 344 |
t |> map_term |
18994 | 345 |
(mapping (Term.fold_types add_classesT) (f thy) t) |
346 |
(mapping (Term.fold_types add_tyconsT) (g thy) t) |
|
347 |
(mapping add_consts (h thy) t); |
|
16337 | 348 |
|
349 |
in |
|
14645 | 350 |
|
16368
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changeset
|
351 |
val intern_typ = typ_mapping intern_class intern_type; |
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discontinued named name spaces (classK, typeK, constK);
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changeset
|
352 |
val extern_typ = typ_mapping extern_class extern_type; |
a06868ebeb0f
discontinued named name spaces (classK, typeK, constK);
wenzelm
parents:
16354
diff
changeset
|
353 |
val intern_term = term_mapping intern_class intern_type intern_const; |
18994 | 354 |
fun extern_term h = term_mapping extern_class extern_type (K h); |
16368
a06868ebeb0f
discontinued named name spaces (classK, typeK, constK);
wenzelm
parents:
16354
diff
changeset
|
355 |
val intern_tycons = typ_mapping (K I) intern_type; |
16337 | 356 |
|
357 |
end; |
|
14645 | 358 |
|
359 |
||
360 |
||
4249 | 361 |
(** pretty printing of terms, types etc. **) |
3937 | 362 |
|
21772 | 363 |
fun pretty_term' ctxt syn ext t = |
364 |
let val curried = Context.exists_name Context.CPureN (ProofContext.theory_of ctxt) |
|
365 |
in Syntax.pretty_term ext ctxt syn curried t end; |
|
18857 | 366 |
|
18994 | 367 |
fun pretty_term thy t = |
21772 | 368 |
pretty_term' (ProofContext.init thy) (syn_of thy) (Consts.extern (consts_of thy)) |
19366
a2040baa9444
pretty_term': early vs. late externing (support authentic syntax);
wenzelm
parents:
19289
diff
changeset
|
369 |
(extern_term (Consts.extern_early (consts_of thy)) thy t); |
18857 | 370 |
|
21772 | 371 |
fun pretty_typ thy T = |
372 |
Syntax.pretty_typ (ProofContext.init thy) (syn_of thy) (extern_typ thy T); |
|
373 |
||
374 |
fun pretty_sort thy S = |
|
375 |
Syntax.pretty_sort (ProofContext.init thy) (syn_of thy) (extern_sort thy S); |
|
3937 | 376 |
|
19482
9f11af8f7ef9
tuned basic list operators (flat, maps, map_filter);
wenzelm
parents:
19462
diff
changeset
|
377 |
fun pretty_classrel thy cs = Pretty.block (flat |
16442
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
378 |
(separate [Pretty.str " <", Pretty.brk 1] (map (single o pretty_sort thy o single) cs))); |
3937 | 379 |
|
16442
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
380 |
fun pretty_arity thy (a, Ss, S) = |
3937 | 381 |
let |
16442
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
382 |
val a' = extern_type thy a; |
3937 | 383 |
val dom = |
384 |
if null Ss then [] |
|
16442
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
385 |
else [Pretty.list "(" ")" (map (pretty_sort thy) Ss), Pretty.brk 1]; |
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
386 |
in Pretty.block ([Pretty.str (a' ^ " ::"), Pretty.brk 1] @ dom @ [pretty_sort thy S]) end; |
3937 | 387 |
|
14828 | 388 |
val string_of_term = Pretty.string_of oo pretty_term; |
389 |
val string_of_typ = Pretty.string_of oo pretty_typ; |
|
390 |
val string_of_sort = Pretty.string_of oo pretty_sort; |
|
391 |
val string_of_classrel = Pretty.string_of oo pretty_classrel; |
|
392 |
val string_of_arity = Pretty.string_of oo pretty_arity; |
|
3937 | 393 |
|
16442
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
394 |
fun pp thy = Pretty.pp (pretty_term thy, pretty_typ thy, pretty_sort thy, |
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
395 |
pretty_classrel thy, pretty_arity thy); |
14828 | 396 |
|
3937 | 397 |
|
398 |
||
16337 | 399 |
(** certify entities **) (*exception TYPE*) |
8898 | 400 |
|
16337 | 401 |
(* certify wrt. type signature *) |
8898 | 402 |
|
19462 | 403 |
val arity_number = Type.arity_number o tsig_of; |
404 |
fun arity_sorts thy = Type.arity_sorts (pp thy) (tsig_of thy); |
|
405 |
||
16723 | 406 |
fun certify cert = cert o tsig_of o Context.check_thy; |
562 | 407 |
|
16337 | 408 |
val certify_class = certify Type.cert_class; |
409 |
val certify_sort = certify Type.cert_sort; |
|
410 |
val certify_typ = certify Type.cert_typ; |
|
411 |
val certify_typ_syntax = certify Type.cert_typ_syntax; |
|
412 |
val certify_typ_abbrev = certify Type.cert_typ_abbrev; |
|
10443
0a68dc9edba5
added certify_tycon, certify_tyabbr, certify_const;
wenzelm
parents:
10404
diff
changeset
|
413 |
|
4961
27f559b54c57
certify_term: type_check replaces Term.type_of, providing sensible
wenzelm
parents:
4951
diff
changeset
|
414 |
|
18967 | 415 |
(* certify term/prop *) |
4961
27f559b54c57
certify_term: type_check replaces Term.type_of, providing sensible
wenzelm
parents:
4951
diff
changeset
|
416 |
|
14987 | 417 |
local |
1494
22f67e796445
added nodup_Vars check in cterm_of. Prevents same var with distinct types.
nipkow
parents:
1460
diff
changeset
|
418 |
|
16337 | 419 |
fun type_check pp tm = |
4961
27f559b54c57
certify_term: type_check replaces Term.type_of, providing sensible
wenzelm
parents:
4951
diff
changeset
|
420 |
let |
27f559b54c57
certify_term: type_check replaces Term.type_of, providing sensible
wenzelm
parents:
4951
diff
changeset
|
421 |
fun err_appl why bs t T u U = |
27f559b54c57
certify_term: type_check replaces Term.type_of, providing sensible
wenzelm
parents:
4951
diff
changeset
|
422 |
let |
10404 | 423 |
val xs = map Free bs; (*we do not rename here*) |
4961
27f559b54c57
certify_term: type_check replaces Term.type_of, providing sensible
wenzelm
parents:
4951
diff
changeset
|
424 |
val t' = subst_bounds (xs, t); |
27f559b54c57
certify_term: type_check replaces Term.type_of, providing sensible
wenzelm
parents:
4951
diff
changeset
|
425 |
val u' = subst_bounds (xs, u); |
16337 | 426 |
val msg = cat_lines |
14828 | 427 |
(TypeInfer.appl_error (Syntax.pp_show_brackets pp) why t' T u' U); |
16337 | 428 |
in raise TYPE (msg, [T, U], [t', u']) end; |
4961
27f559b54c57
certify_term: type_check replaces Term.type_of, providing sensible
wenzelm
parents:
4951
diff
changeset
|
429 |
|
27f559b54c57
certify_term: type_check replaces Term.type_of, providing sensible
wenzelm
parents:
4951
diff
changeset
|
430 |
fun typ_of (_, Const (_, T)) = T |
27f559b54c57
certify_term: type_check replaces Term.type_of, providing sensible
wenzelm
parents:
4951
diff
changeset
|
431 |
| typ_of (_, Free (_, T)) = T |
27f559b54c57
certify_term: type_check replaces Term.type_of, providing sensible
wenzelm
parents:
4951
diff
changeset
|
432 |
| typ_of (_, Var (_, T)) = T |
15570 | 433 |
| typ_of (bs, Bound i) = snd (List.nth (bs, i) handle Subscript => |
4961
27f559b54c57
certify_term: type_check replaces Term.type_of, providing sensible
wenzelm
parents:
4951
diff
changeset
|
434 |
raise TYPE ("Loose bound variable: B." ^ string_of_int i, [], [Bound i])) |
27f559b54c57
certify_term: type_check replaces Term.type_of, providing sensible
wenzelm
parents:
4951
diff
changeset
|
435 |
| typ_of (bs, Abs (x, T, body)) = T --> typ_of ((x, T) :: bs, body) |
27f559b54c57
certify_term: type_check replaces Term.type_of, providing sensible
wenzelm
parents:
4951
diff
changeset
|
436 |
| typ_of (bs, t $ u) = |
27f559b54c57
certify_term: type_check replaces Term.type_of, providing sensible
wenzelm
parents:
4951
diff
changeset
|
437 |
let val T = typ_of (bs, t) and U = typ_of (bs, u) in |
27f559b54c57
certify_term: type_check replaces Term.type_of, providing sensible
wenzelm
parents:
4951
diff
changeset
|
438 |
(case T of |
27f559b54c57
certify_term: type_check replaces Term.type_of, providing sensible
wenzelm
parents:
4951
diff
changeset
|
439 |
Type ("fun", [T1, T2]) => |
14828 | 440 |
if T1 = U then T2 else err_appl "Incompatible operand type" bs t T u U |
441 |
| _ => err_appl "Operator not of function type" bs t T u U) |
|
4961
27f559b54c57
certify_term: type_check replaces Term.type_of, providing sensible
wenzelm
parents:
4951
diff
changeset
|
442 |
end; |
18967 | 443 |
in typ_of ([], tm) end; |
4961
27f559b54c57
certify_term: type_check replaces Term.type_of, providing sensible
wenzelm
parents:
4951
diff
changeset
|
444 |
|
18967 | 445 |
fun err msg = raise TYPE (msg, [], []); |
446 |
||
447 |
fun check_vars (t $ u) = (check_vars t; check_vars u) |
|
448 |
| check_vars (Abs (_, _, t)) = check_vars t |
|
449 |
| check_vars (Var (xi as (_, i), _)) = |
|
450 |
if i < 0 then err ("Malformed variable: " ^ quote (Term.string_of_vname xi)) else () |
|
451 |
| check_vars _ = (); |
|
0 | 452 |
|
14987 | 453 |
in |
454 |
||
19366
a2040baa9444
pretty_term': early vs. late externing (support authentic syntax);
wenzelm
parents:
19289
diff
changeset
|
455 |
fun certify' normalize prop pp consts thy tm = |
251 | 456 |
let |
16723 | 457 |
val _ = Context.check_thy thy; |
18967 | 458 |
val _ = check_vars tm; |
20548
8ef25fe585a8
renamed Term.map_term_types to Term.map_types (cf. Term.fold_types);
wenzelm
parents:
20330
diff
changeset
|
459 |
val tm' = Term.map_types (certify_typ thy) tm; |
18967 | 460 |
val T = type_check pp tm'; |
461 |
val _ = if prop andalso T <> propT then err "Term not of type prop" else (); |
|
19366
a2040baa9444
pretty_term': early vs. late externing (support authentic syntax);
wenzelm
parents:
19289
diff
changeset
|
462 |
val tm'' = Consts.certify pp (tsig_of thy) consts tm'; |
18967 | 463 |
val tm'' = if normalize then tm'' else tm'; |
464 |
in (if tm = tm'' then tm else tm'', T, Term.maxidx_of_term tm'') end; |
|
169 | 465 |
|
19366
a2040baa9444
pretty_term': early vs. late externing (support authentic syntax);
wenzelm
parents:
19289
diff
changeset
|
466 |
fun certify_term thy = certify' true false (pp thy) (consts_of thy) thy; |
a2040baa9444
pretty_term': early vs. late externing (support authentic syntax);
wenzelm
parents:
19289
diff
changeset
|
467 |
fun certify_prop thy = certify' true true (pp thy) (consts_of thy) thy; |
18967 | 468 |
|
19366
a2040baa9444
pretty_term': early vs. late externing (support authentic syntax);
wenzelm
parents:
19289
diff
changeset
|
469 |
fun cert_term_abbrev thy = #1 o certify' false false (pp thy) (consts_of thy) thy; |
18967 | 470 |
val cert_term = #1 oo certify_term; |
471 |
val cert_prop = #1 oo certify_prop; |
|
251 | 472 |
|
14987 | 473 |
end; |
474 |
||
251 | 475 |
|
18941 | 476 |
(* specifications *) |
477 |
||
21741 | 478 |
fun no_variables kind add addT mk mkT pp tm = |
479 |
(case (add tm [], addT tm []) of |
|
18941 | 480 |
([], []) => tm |
21741 | 481 |
| (frees, tfrees) => error (Pretty.string_of (Pretty.block (Pretty.breaks |
482 |
(Pretty.str ("Illegal " ^ kind ^ " variable(s) in term:") :: |
|
483 |
map (Pretty.term pp o mk) frees @ map (Pretty.typ pp o mkT) tfrees))))); |
|
484 |
||
485 |
val no_frees = no_variables "free" Term.add_frees Term.add_tfrees Free TFree; |
|
486 |
val no_vars = no_variables "schematic" Term.add_vars Term.add_tvars Var TVar; |
|
18941 | 487 |
|
488 |
fun cert_def pp tm = |
|
489 |
let val ((lhs, rhs), _) = tm |
|
490 |
|> no_vars pp |
|
491 |
|> Logic.strip_imp_concl |
|
492 |
|> Logic.dest_def pp Term.is_Const (K false) (K false) |
|
493 |
in (Term.dest_Const (Term.head_of lhs), rhs) end |
|
494 |
handle TERM (msg, _) => error msg; |
|
495 |
||
496 |
||
16337 | 497 |
|
16442
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
498 |
(** read and certify entities **) (*exception ERROR*) |
16337 | 499 |
|
19244
1d7e51d9828b
added read_class, read/cert_classrel/arity (from axclass.ML);
wenzelm
parents:
19099
diff
changeset
|
500 |
(* classes and sorts *) |
1d7e51d9828b
added read_class, read/cert_classrel/arity (from axclass.ML);
wenzelm
parents:
19099
diff
changeset
|
501 |
|
19427 | 502 |
fun read_class thy c = certify_class thy (intern_class thy c) |
503 |
handle TYPE (msg, _, _) => error msg; |
|
16337 | 504 |
|
21772 | 505 |
fun read_sort' syn ctxt str = |
16337 | 506 |
let |
21772 | 507 |
val thy = ProofContext.theory_of ctxt; |
16723 | 508 |
val _ = Context.check_thy thy; |
22696 | 509 |
val S = Syntax.read_sort ctxt syn (intern_sort thy) str; |
16442
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
510 |
in certify_sort thy S handle TYPE (msg, _, _) => error msg end; |
16337 | 511 |
|
21772 | 512 |
fun read_sort thy str = read_sort' (syn_of thy) (ProofContext.init thy) str; |
16337 | 513 |
|
514 |
||
19244
1d7e51d9828b
added read_class, read/cert_classrel/arity (from axclass.ML);
wenzelm
parents:
19099
diff
changeset
|
515 |
(* type arities *) |
1d7e51d9828b
added read_class, read/cert_classrel/arity (from axclass.ML);
wenzelm
parents:
19099
diff
changeset
|
516 |
|
1d7e51d9828b
added read_class, read/cert_classrel/arity (from axclass.ML);
wenzelm
parents:
19099
diff
changeset
|
517 |
fun prep_arity prep_tycon prep_sort thy (t, Ss, S) = |
1d7e51d9828b
added read_class, read/cert_classrel/arity (from axclass.ML);
wenzelm
parents:
19099
diff
changeset
|
518 |
let val arity = (prep_tycon thy t, map (prep_sort thy) Ss, prep_sort thy S) |
19513
77ff7cd602d7
removed add_classes/classrel/arities (superceded by AxClass.axiomatize_class/classrel/arity);
wenzelm
parents:
19482
diff
changeset
|
519 |
in Type.add_arity (pp thy) arity (tsig_of thy); arity end; |
19244
1d7e51d9828b
added read_class, read/cert_classrel/arity (from axclass.ML);
wenzelm
parents:
19099
diff
changeset
|
520 |
|
1d7e51d9828b
added read_class, read/cert_classrel/arity (from axclass.ML);
wenzelm
parents:
19099
diff
changeset
|
521 |
val read_arity = prep_arity intern_type read_sort; |
1d7e51d9828b
added read_class, read/cert_classrel/arity (from axclass.ML);
wenzelm
parents:
19099
diff
changeset
|
522 |
val cert_arity = prep_arity (K I) certify_sort; |
1d7e51d9828b
added read_class, read/cert_classrel/arity (from axclass.ML);
wenzelm
parents:
19099
diff
changeset
|
523 |
|
1d7e51d9828b
added read_class, read/cert_classrel/arity (from axclass.ML);
wenzelm
parents:
19099
diff
changeset
|
524 |
|
16337 | 525 |
(* types *) |
526 |
||
22696 | 527 |
fun get_sort tsig def_sort raw_env = |
528 |
let |
|
529 |
fun eq ((xi, S), (xi', S')) = |
|
530 |
Term.eq_ix (xi, xi') andalso Type.eq_sort tsig (S, S'); |
|
531 |
val env = distinct eq raw_env; |
|
532 |
val _ = (case duplicates (eq_fst (op =)) env of [] => () |
|
533 |
| dups => error ("Inconsistent sort constraints for type variable(s) " |
|
534 |
^ commas_quote (map (Term.string_of_vname' o fst) dups))); |
|
535 |
||
536 |
fun get xi = |
|
537 |
(case (AList.lookup (op =) env xi, def_sort xi) of |
|
538 |
(NONE, NONE) => Type.defaultS tsig |
|
539 |
| (NONE, SOME S) => S |
|
540 |
| (SOME S, NONE) => S |
|
541 |
| (SOME S, SOME S') => |
|
542 |
if Type.eq_sort tsig (S, S') then S' |
|
543 |
else error ("Sort constraint inconsistent with default for type variable " ^ |
|
544 |
quote (Term.string_of_vname' xi))); |
|
545 |
in get end; |
|
546 |
||
16337 | 547 |
local |
548 |
||
21772 | 549 |
fun gen_read_typ' cert syn ctxt def_sort str = |
16337 | 550 |
let |
21772 | 551 |
val thy = ProofContext.theory_of ctxt; |
16723 | 552 |
val _ = Context.check_thy thy; |
22696 | 553 |
val T = intern_tycons thy |
554 |
(Syntax.read_typ ctxt syn (get_sort (tsig_of thy) def_sort) (intern_sort thy) str); |
|
16442
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
555 |
in cert thy T handle TYPE (msg, _, _) => error msg end |
18678 | 556 |
handle ERROR msg => cat_error msg ("The error(s) above occurred in type " ^ quote str); |
16337 | 557 |
|
16442
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
558 |
fun gen_read_typ cert (thy, def_sort) str = |
21772 | 559 |
gen_read_typ' cert (syn_of thy) (ProofContext.init thy) def_sort str; |
16337 | 560 |
|
561 |
in |
|
562 |
||
16442
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
563 |
fun no_def_sort thy = (thy: theory, K NONE); |
16337 | 564 |
|
16442
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
565 |
val read_typ' = gen_read_typ' certify_typ; |
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
566 |
val read_typ_syntax' = gen_read_typ' certify_typ_syntax; |
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
567 |
val read_typ_abbrev' = gen_read_typ' certify_typ_abbrev; |
22683 | 568 |
val read_def_typ = gen_read_typ certify_typ; |
569 |
||
570 |
val read_typ = read_def_typ o no_def_sort; |
|
571 |
val read_typ_syntax = gen_read_typ certify_typ_syntax o no_def_sort; |
|
572 |
val read_typ_abbrev = gen_read_typ certify_typ_abbrev o no_def_sort; |
|
16337 | 573 |
|
574 |
end; |
|
575 |
||
576 |
||
16368
a06868ebeb0f
discontinued named name spaces (classK, typeK, constK);
wenzelm
parents:
16354
diff
changeset
|
577 |
(* type and constant names *) |
15703 | 578 |
|
16442
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
579 |
fun read_tyname thy raw_c = |
19462 | 580 |
let val c = intern_type thy raw_c |
581 |
in Type (c, replicate (arity_number thy c) dummyT) end; |
|
15703 | 582 |
|
18967 | 583 |
val read_const = Consts.read_const o consts_of; |
15703 | 584 |
|
585 |
||
251 | 586 |
|
22696 | 587 |
(* read_def_terms -- read terms and infer types *) (*exception ERROR*) |
251 | 588 |
|
2979 | 589 |
(* |
16337 | 590 |
def_type: partial map from indexnames to types (constrains Frees and Vars) |
591 |
def_sort: partial map from indexnames to sorts (constrains TFrees and TVars) |
|
20155 | 592 |
used: context of already used type variables |
2979 | 593 |
freeze: if true then generated parameters are turned into TFrees, else TVars |
594 |
*) |
|
595 |
||
22696 | 596 |
fun read_def_terms' pp is_logtype syn consts fixed ctxt (def_type, def_sort) used freeze sTs = |
251 | 597 |
let |
22696 | 598 |
val thy = ProofContext.theory_of ctxt; |
599 |
val tsig = tsig_of thy; |
|
600 |
||
601 |
(*read terms -- potentially ambiguous*) |
|
602 |
val map_const = try (#1 o Term.dest_Const o Consts.read_const consts); |
|
603 |
fun map_free x = |
|
604 |
(case fixed x of |
|
605 |
NONE => if is_some (def_type (x, ~1)) then SOME x else NONE |
|
606 |
| some => some); |
|
607 |
val read = |
|
608 |
Syntax.read_term (get_sort tsig def_sort) map_const map_free |
|
609 |
(intern_tycons thy) (intern_sort thy) ctxt is_logtype syn; |
|
610 |
||
611 |
val args = sTs |> map (fn (s, raw_T) => |
|
612 |
let val T = certify_typ thy raw_T handle TYPE (msg, _, _) => error msg |
|
613 |
in (read T s, T) end); |
|
614 |
||
615 |
(*brute-force disambiguation via type-inference*) |
|
18146 | 616 |
val termss = fold_rev (multiply o fst) args [[]]; |
22696 | 617 |
val typs = map snd args; |
169 | 618 |
|
22696 | 619 |
fun infer ts = Result (TypeInfer.infer_types (Syntax.pp_show_brackets pp) tsig |
620 |
(try (Consts.the_constraint consts)) def_type used freeze (ts ~~ typs) |>> map fst) |
|
18678 | 621 |
handle TYPE (msg, _, _) => Exn (ERROR msg); |
623 | 622 |
|
4249 | 623 |
val err_results = map infer termss; |
19482
9f11af8f7ef9
tuned basic list operators (flat, maps, map_filter);
wenzelm
parents:
19462
diff
changeset
|
624 |
val errs = map_filter (fn Exn (ERROR msg) => SOME msg | _ => NONE) err_results; |
9f11af8f7ef9
tuned basic list operators (flat, maps, map_filter);
wenzelm
parents:
19462
diff
changeset
|
625 |
val results = map_filter get_result err_results; |
4249 | 626 |
|
14645 | 627 |
val ambiguity = length termss; |
4249 | 628 |
fun ambig_msg () = |
18678 | 629 |
if ambiguity > 1 andalso ambiguity <= ! Syntax.ambiguity_level then |
630 |
"Got more than one parse tree.\n\ |
|
631 |
\Retry with smaller Syntax.ambiguity_level for more information." |
|
632 |
else ""; |
|
4249 | 633 |
in |
22696 | 634 |
if null results then cat_error (ambig_msg ()) (cat_lines errs) |
4249 | 635 |
else if length results = 1 then |
636 |
(if ambiguity > ! Syntax.ambiguity_level then |
|
637 |
warning "Fortunately, only one parse tree is type correct.\n\ |
|
638 |
\You may still want to disambiguate your grammar or your input." |
|
639 |
else (); hd results) |
|
22696 | 640 |
else cat_error (ambig_msg ()) ("More than one term is type correct:\n" ^ |
641 |
cat_lines (map (Pretty.string_of_term pp) (maps fst results))) |
|
4249 | 642 |
end; |
623 | 643 |
|
20230
04cb2d917de5
read_def_cterms (legacy version): Consts.certify;
wenzelm
parents:
20211
diff
changeset
|
644 |
fun read_def_terms (thy, types, sorts) used freeze sTs = |
04cb2d917de5
read_def_cterms (legacy version): Consts.certify;
wenzelm
parents:
20211
diff
changeset
|
645 |
let |
04cb2d917de5
read_def_cterms (legacy version): Consts.certify;
wenzelm
parents:
20211
diff
changeset
|
646 |
val pp = pp thy; |
04cb2d917de5
read_def_cterms (legacy version): Consts.certify;
wenzelm
parents:
20211
diff
changeset
|
647 |
val consts = consts_of thy; |
04cb2d917de5
read_def_cterms (legacy version): Consts.certify;
wenzelm
parents:
20211
diff
changeset
|
648 |
val cert_consts = Consts.certify pp (tsig_of thy) consts; |
04cb2d917de5
read_def_cterms (legacy version): Consts.certify;
wenzelm
parents:
20211
diff
changeset
|
649 |
val (ts, inst) = |
22696 | 650 |
read_def_terms' pp (is_logtype thy) (syn_of thy) consts (K NONE) |
21772 | 651 |
(ProofContext.init thy) (types, sorts) (Name.make_context used) freeze sTs; |
20230
04cb2d917de5
read_def_cterms (legacy version): Consts.certify;
wenzelm
parents:
20211
diff
changeset
|
652 |
in (map cert_consts ts, inst) end; |
12068
469f372d63db
added pretty_term', read_typ', read_typ_no_norm', read_def_terms'
wenzelm
parents:
11720
diff
changeset
|
653 |
|
16442
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
654 |
fun simple_read_term thy T s = |
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
655 |
let val ([t], _) = read_def_terms (thy, K NONE, K NONE) [] true [(s, T)] |
20230
04cb2d917de5
read_def_cterms (legacy version): Consts.certify;
wenzelm
parents:
20211
diff
changeset
|
656 |
in t end handle ERROR msg => cat_error msg ("The error(s) above occurred for term " ^ s); |
8802 | 657 |
|
16494 | 658 |
fun read_term thy = simple_read_term thy TypeInfer.logicT; |
659 |
fun read_prop thy = simple_read_term thy propT; |
|
660 |
||
8607 | 661 |
|
2979 | 662 |
|
16337 | 663 |
(** signature extension functions **) (*exception ERROR/TYPE*) |
386 | 664 |
|
665 |
(* add default sort *) |
|
666 |
||
16442
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
667 |
fun gen_add_defsort prep_sort s thy = |
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
668 |
thy |> map_tsig (Type.set_defsort (prep_sort thy s)); |
8898 | 669 |
|
16337 | 670 |
val add_defsort = gen_add_defsort read_sort; |
671 |
val add_defsort_i = gen_add_defsort certify_sort; |
|
386 | 672 |
|
673 |
||
674 |
(* add type constructors *) |
|
675 |
||
16442
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
676 |
fun add_types types thy = thy |> map_sign (fn (naming, syn, tsig, consts) => |
14856 | 677 |
let |
16597
5a5229a55964
eliminated separate syn type -- advanced trfuns already part of Syntax.syntax;
wenzelm
parents:
16536
diff
changeset
|
678 |
val syn' = Syntax.extend_type_gram types syn; |
16368
a06868ebeb0f
discontinued named name spaces (classK, typeK, constK);
wenzelm
parents:
16354
diff
changeset
|
679 |
val decls = map (fn (a, n, mx) => (Syntax.type_name a mx, n)) types; |
16442
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
680 |
val tsig' = Type.add_types naming decls tsig; |
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
681 |
in (naming, syn', tsig', consts) end); |
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
682 |
|
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
683 |
fun add_typedecls decls thy = |
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
684 |
let |
20664 | 685 |
fun type_of (a, vs: string list, mx) = |
18928
042608ffa2ec
subsituted gen_duplicates / has_duplicates for duplicates whenever appropriate
haftmann
parents:
18892
diff
changeset
|
686 |
if not (has_duplicates (op =) vs) then (a, length vs, mx) |
16442
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
687 |
else error ("Duplicate parameters in type declaration: " ^ quote a); |
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
688 |
in add_types (map type_of decls) thy end; |
16337 | 689 |
|
690 |
||
691 |
(* add nonterminals *) |
|
692 |
||
16442
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
693 |
fun add_nonterminals ns thy = thy |> map_sign (fn (naming, syn, tsig, consts) => |
16337 | 694 |
let |
16597
5a5229a55964
eliminated separate syn type -- advanced trfuns already part of Syntax.syntax;
wenzelm
parents:
16536
diff
changeset
|
695 |
val syn' = Syntax.extend_consts ns syn; |
16442
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
696 |
val tsig' = Type.add_nonterminals naming ns tsig; |
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
697 |
in (naming, syn', tsig', consts) end); |
386 | 698 |
|
699 |
||
700 |
(* add type abbreviations *) |
|
701 |
||
16442
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
702 |
fun gen_add_tyabbr prep_typ (a, vs, rhs, mx) thy = |
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
703 |
thy |> map_sign (fn (naming, syn, tsig, consts) => |
16337 | 704 |
let |
16597
5a5229a55964
eliminated separate syn type -- advanced trfuns already part of Syntax.syntax;
wenzelm
parents:
16536
diff
changeset
|
705 |
val syn' = Syntax.extend_type_gram [(a, length vs, mx)] syn; |
16368
a06868ebeb0f
discontinued named name spaces (classK, typeK, constK);
wenzelm
parents:
16354
diff
changeset
|
706 |
val a' = Syntax.type_name a mx; |
16442
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
707 |
val abbr = (a', vs, prep_typ thy rhs) |
18678 | 708 |
handle ERROR msg => cat_error msg ("in type abbreviation " ^ quote a'); |
16442
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
709 |
val tsig' = Type.add_abbrevs naming [abbr] tsig; |
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
710 |
in (naming, syn', tsig', consts) end); |
386 | 711 |
|
22683 | 712 |
val add_tyabbrs = fold (gen_add_tyabbr read_typ_syntax); |
16337 | 713 |
val add_tyabbrs_i = fold (gen_add_tyabbr certify_typ_syntax); |
14784
e65d77313a94
xxx_typ_raw replace xxx_typ_no_norm forms; prevent duplicate consts declarations in merge; misc cleanup;
wenzelm
parents:
14700
diff
changeset
|
714 |
|
e65d77313a94
xxx_typ_raw replace xxx_typ_no_norm forms; prevent duplicate consts declarations in merge; misc cleanup;
wenzelm
parents:
14700
diff
changeset
|
715 |
|
16337 | 716 |
(* modify syntax *) |
717 |
||
20784 | 718 |
fun gen_syntax change_gram prep_typ mode args thy = |
16337 | 719 |
let |
18678 | 720 |
fun prep (c, T, mx) = (c, prep_typ thy T, mx) handle ERROR msg => |
721 |
cat_error msg ("in syntax declaration " ^ quote (Syntax.const_name c mx)); |
|
20784 | 722 |
in thy |> map_syn (change_gram (is_logtype thy) mode (map prep args)) end; |
16337 | 723 |
|
724 |
fun gen_add_syntax x = gen_syntax Syntax.extend_const_gram x; |
|
386 | 725 |
|
22683 | 726 |
val add_modesyntax = gen_add_syntax read_typ_syntax; |
16337 | 727 |
val add_modesyntax_i = gen_add_syntax certify_typ_syntax; |
16442
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
728 |
val add_syntax = add_modesyntax Syntax.default_mode; |
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
729 |
val add_syntax_i = add_modesyntax_i Syntax.default_mode; |
22683 | 730 |
val del_modesyntax = gen_syntax Syntax.remove_const_gram read_typ_syntax; |
16337 | 731 |
val del_modesyntax_i = gen_syntax Syntax.remove_const_gram certify_typ_syntax; |
3805 | 732 |
|
21661
e070569dd638
add_notation: permissive about undeclared consts;
wenzelm
parents:
21269
diff
changeset
|
733 |
fun const_syntax thy (Const (c, _), mx) = try (Consts.syntax (consts_of thy)) (c, mx) |
21206
2af4c7b3f7ef
replaced const_syntax by notation, which operates on terms;
wenzelm
parents:
21183
diff
changeset
|
734 |
| const_syntax _ _ = NONE; |
2af4c7b3f7ef
replaced const_syntax by notation, which operates on terms;
wenzelm
parents:
21183
diff
changeset
|
735 |
|
2af4c7b3f7ef
replaced const_syntax by notation, which operates on terms;
wenzelm
parents:
21183
diff
changeset
|
736 |
fun add_notation mode args thy = |
2af4c7b3f7ef
replaced const_syntax by notation, which operates on terms;
wenzelm
parents:
21183
diff
changeset
|
737 |
thy |> add_modesyntax_i mode (map_filter (const_syntax thy) args); |
19658 | 738 |
|
16337 | 739 |
|
740 |
(* add constants *) |
|
386 | 741 |
|
17995 | 742 |
local |
743 |
||
19679
ae4c1e2742c1
consts: replaced early'' flag by inverted authentic'';
wenzelm
parents:
19673
diff
changeset
|
744 |
fun gen_add_consts prep_typ authentic raw_args thy = |
386 | 745 |
let |
19806 | 746 |
val prepT = Compress.typ thy o Logic.varifyT o Type.no_tvars o Term.no_dummyT o prep_typ thy; |
19658 | 747 |
fun prep (raw_c, raw_T, raw_mx) = |
748 |
let |
|
749 |
val (c, mx) = Syntax.const_mixfix raw_c raw_mx; |
|
19679
ae4c1e2742c1
consts: replaced early'' flag by inverted authentic'';
wenzelm
parents:
19673
diff
changeset
|
750 |
val c' = if authentic then Syntax.constN ^ full_name thy c else c; |
19658 | 751 |
val T = (prepT raw_T handle TYPE (msg, _, _) => error msg) handle ERROR msg => |
752 |
cat_error msg ("in declaration of constant " ^ quote c); |
|
19679
ae4c1e2742c1
consts: replaced early'' flag by inverted authentic'';
wenzelm
parents:
19673
diff
changeset
|
753 |
in (((c, T), authentic), (c', T, mx)) end; |
16337 | 754 |
val args = map prep raw_args; |
16442
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
755 |
in |
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
756 |
thy |
19658 | 757 |
|> map_consts (fold (Consts.declare (naming_of thy) o #1) args) |
758 |
|> add_syntax_i (map #2 args) |
|
16442
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
759 |
end; |
386 | 760 |
|
17995 | 761 |
in |
762 |
||
22683 | 763 |
val add_consts = gen_add_consts read_typ false; |
19679
ae4c1e2742c1
consts: replaced early'' flag by inverted authentic'';
wenzelm
parents:
19673
diff
changeset
|
764 |
val add_consts_i = gen_add_consts certify_typ false; |
ae4c1e2742c1
consts: replaced early'' flag by inverted authentic'';
wenzelm
parents:
19673
diff
changeset
|
765 |
val add_consts_authentic = gen_add_consts certify_typ true; |
386 | 766 |
|
17995 | 767 |
end; |
768 |
||
386 | 769 |
|
21696 | 770 |
(* add abbreviations *) |
18941 | 771 |
|
21704 | 772 |
fun add_abbrev mode (c, raw_t) thy = |
18941 | 773 |
let |
21741 | 774 |
val pp = pp thy; |
775 |
val prep_tm = Compress.term thy o no_frees pp o |
|
776 |
map_types Logic.legacy_varifyT (* FIXME tmp *) o |
|
777 |
Term.no_dummy_patterns o cert_term_abbrev thy; |
|
19806 | 778 |
val t = (prep_tm raw_t handle TYPE (msg, _, _) => error msg | TERM (msg, _) => error msg) |
19366
a2040baa9444
pretty_term': early vs. late externing (support authentic syntax);
wenzelm
parents:
19289
diff
changeset
|
779 |
handle ERROR msg => cat_error msg ("in constant abbreviation " ^ quote c); |
21696 | 780 |
val (res, consts') = consts_of thy |
21741 | 781 |
|> Consts.abbreviate pp (tsig_of thy) (naming_of thy) mode (c, t); |
21704 | 782 |
in (res, thy |> map_consts (K consts')) end; |
18941 | 783 |
|
784 |
||
16941
0bda949449ee
added add_const_constraint(_i), const_constraint;
wenzelm
parents:
16894
diff
changeset
|
785 |
(* add constraints *) |
0bda949449ee
added add_const_constraint(_i), const_constraint;
wenzelm
parents:
16894
diff
changeset
|
786 |
|
19099
100bf66d7e85
add_const_constraint(_i): demand TFrees instead of TVars, optional type (i.e. may delete constraints);
wenzelm
parents:
19054
diff
changeset
|
787 |
fun gen_add_constraint int_const prep_typ (raw_c, opt_T) thy = |
16941
0bda949449ee
added add_const_constraint(_i), const_constraint;
wenzelm
parents:
16894
diff
changeset
|
788 |
let |
0bda949449ee
added add_const_constraint(_i), const_constraint;
wenzelm
parents:
16894
diff
changeset
|
789 |
val c = int_const thy raw_c; |
19099
100bf66d7e85
add_const_constraint(_i): demand TFrees instead of TVars, optional type (i.e. may delete constraints);
wenzelm
parents:
19054
diff
changeset
|
790 |
fun prepT raw_T = |
19806 | 791 |
let val T = Logic.varifyT (Type.no_tvars (Term.no_dummyT (prep_typ thy raw_T))) |
19099
100bf66d7e85
add_const_constraint(_i): demand TFrees instead of TVars, optional type (i.e. may delete constraints);
wenzelm
parents:
19054
diff
changeset
|
792 |
in cert_term thy (Const (c, T)); T end |
16941
0bda949449ee
added add_const_constraint(_i), const_constraint;
wenzelm
parents:
16894
diff
changeset
|
793 |
handle TYPE (msg, _, _) => error msg; |
19099
100bf66d7e85
add_const_constraint(_i): demand TFrees instead of TVars, optional type (i.e. may delete constraints);
wenzelm
parents:
19054
diff
changeset
|
794 |
in thy |> map_consts (Consts.constrain (c, Option.map prepT opt_T)) end; |
16941
0bda949449ee
added add_const_constraint(_i), const_constraint;
wenzelm
parents:
16894
diff
changeset
|
795 |
|
22683 | 796 |
val add_const_constraint = gen_add_constraint intern_const read_typ; |
16941
0bda949449ee
added add_const_constraint(_i), const_constraint;
wenzelm
parents:
16894
diff
changeset
|
797 |
val add_const_constraint_i = gen_add_constraint (K I) certify_typ; |
0bda949449ee
added add_const_constraint(_i), const_constraint;
wenzelm
parents:
16894
diff
changeset
|
798 |
|
0bda949449ee
added add_const_constraint(_i), const_constraint;
wenzelm
parents:
16894
diff
changeset
|
799 |
|
19513
77ff7cd602d7
removed add_classes/classrel/arities (superceded by AxClass.axiomatize_class/classrel/arity);
wenzelm
parents:
19482
diff
changeset
|
800 |
(* primitive classes and arities *) |
386 | 801 |
|
19513
77ff7cd602d7
removed add_classes/classrel/arities (superceded by AxClass.axiomatize_class/classrel/arity);
wenzelm
parents:
19482
diff
changeset
|
802 |
fun primitive_class (bclass, classes) thy = |
16442
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
803 |
thy |> map_sign (fn (naming, syn, tsig, consts) => |
16337 | 804 |
let |
16597
5a5229a55964
eliminated separate syn type -- advanced trfuns already part of Syntax.syntax;
wenzelm
parents:
16536
diff
changeset
|
805 |
val syn' = Syntax.extend_consts [bclass] syn; |
19513
77ff7cd602d7
removed add_classes/classrel/arities (superceded by AxClass.axiomatize_class/classrel/arity);
wenzelm
parents:
19482
diff
changeset
|
806 |
val tsig' = Type.add_class (pp thy) naming (bclass, classes) tsig; |
16442
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
807 |
in (naming, syn', tsig', consts) end) |
19391 | 808 |
|> add_consts_i [(Logic.const_of_class bclass, Term.a_itselfT --> propT, NoSyn)]; |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
809 |
|
19513
77ff7cd602d7
removed add_classes/classrel/arities (superceded by AxClass.axiomatize_class/classrel/arity);
wenzelm
parents:
19482
diff
changeset
|
810 |
fun primitive_classrel arg thy = thy |> map_tsig (Type.add_classrel (pp thy) arg); |
77ff7cd602d7
removed add_classes/classrel/arities (superceded by AxClass.axiomatize_class/classrel/arity);
wenzelm
parents:
19482
diff
changeset
|
811 |
fun primitive_arity arg thy = thy |> map_tsig (Type.add_arity (pp thy) arg); |
421 | 812 |
|
813 |
||
14645 | 814 |
(* add translation functions *) |
815 |
||
15746 | 816 |
local |
817 |
||
818 |
fun mk trs = map Syntax.mk_trfun trs; |
|
819 |
||
16597
5a5229a55964
eliminated separate syn type -- advanced trfuns already part of Syntax.syntax;
wenzelm
parents:
16536
diff
changeset
|
820 |
fun gen_add_trfuns ext non_typed (atrs, trs, tr's, atr's) = |
5a5229a55964
eliminated separate syn type -- advanced trfuns already part of Syntax.syntax;
wenzelm
parents:
16536
diff
changeset
|
821 |
map_syn (ext (mk atrs, mk trs, mk (map (apsnd non_typed) tr's), mk atr's)); |
14645 | 822 |
|
16597
5a5229a55964
eliminated separate syn type -- advanced trfuns already part of Syntax.syntax;
wenzelm
parents:
16536
diff
changeset
|
823 |
fun gen_add_trfunsT ext tr's = map_syn (ext ([], [], mk tr's, [])); |
14645 | 824 |
|
15746 | 825 |
in |
826 |
||
16597
5a5229a55964
eliminated separate syn type -- advanced trfuns already part of Syntax.syntax;
wenzelm
parents:
16536
diff
changeset
|
827 |
val add_trfuns = gen_add_trfuns Syntax.extend_trfuns Syntax.non_typed_tr'; |
5a5229a55964
eliminated separate syn type -- advanced trfuns already part of Syntax.syntax;
wenzelm
parents:
16536
diff
changeset
|
828 |
val add_trfunsT = gen_add_trfunsT Syntax.extend_trfuns; |
5a5229a55964
eliminated separate syn type -- advanced trfuns already part of Syntax.syntax;
wenzelm
parents:
16536
diff
changeset
|
829 |
val add_advanced_trfuns = gen_add_trfuns Syntax.extend_advanced_trfuns Syntax.non_typed_tr''; |
5a5229a55964
eliminated separate syn type -- advanced trfuns already part of Syntax.syntax;
wenzelm
parents:
16536
diff
changeset
|
830 |
val add_advanced_trfunsT = gen_add_trfunsT Syntax.extend_advanced_trfuns; |
14645 | 831 |
|
15746 | 832 |
end; |
833 |
||
16597
5a5229a55964
eliminated separate syn type -- advanced trfuns already part of Syntax.syntax;
wenzelm
parents:
16536
diff
changeset
|
834 |
val add_tokentrfuns = map_syn o Syntax.extend_tokentrfuns; |
16442
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
835 |
fun add_mode_tokentrfuns m = add_tokentrfuns o map (fn (s, f) => (m, s, f)); |
14645 | 836 |
|
837 |
||
19258
ada9977f1e98
declared_const: check for type constraint only, i.e. admit abbreviations as well;
wenzelm
parents:
19250
diff
changeset
|
838 |
(* translation rules *) |
4619 | 839 |
|
19258
ada9977f1e98
declared_const: check for type constraint only, i.e. admit abbreviations as well;
wenzelm
parents:
19250
diff
changeset
|
840 |
fun gen_trrules f args thy = thy |> map_syn (fn syn => |
16442
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
841 |
let val rules = map (Syntax.map_trrule (apfst (intern_type thy))) args |
21772 | 842 |
in f (ProofContext.init thy) (is_logtype thy) syn rules syn end); |
8725 | 843 |
|
19258
ada9977f1e98
declared_const: check for type constraint only, i.e. admit abbreviations as well;
wenzelm
parents:
19250
diff
changeset
|
844 |
val add_trrules = gen_trrules Syntax.extend_trrules; |
ada9977f1e98
declared_const: check for type constraint only, i.e. admit abbreviations as well;
wenzelm
parents:
19250
diff
changeset
|
845 |
val del_trrules = gen_trrules Syntax.remove_trrules; |
16597
5a5229a55964
eliminated separate syn type -- advanced trfuns already part of Syntax.syntax;
wenzelm
parents:
16536
diff
changeset
|
846 |
val add_trrules_i = map_syn o Syntax.extend_trrules_i; |
19258
ada9977f1e98
declared_const: check for type constraint only, i.e. admit abbreviations as well;
wenzelm
parents:
19250
diff
changeset
|
847 |
val del_trrules_i = map_syn o Syntax.remove_trrules_i; |
386 | 848 |
|
849 |
||
16337 | 850 |
(* modify naming *) |
6546 | 851 |
|
19054
af7cc6063285
replaced qualified_force_prefix to sticky_prefix;
wenzelm
parents:
19013
diff
changeset
|
852 |
val add_path = map_naming o NameSpace.add_path; |
af7cc6063285
replaced qualified_force_prefix to sticky_prefix;
wenzelm
parents:
19013
diff
changeset
|
853 |
val no_base_names = map_naming NameSpace.no_base_names; |
af7cc6063285
replaced qualified_force_prefix to sticky_prefix;
wenzelm
parents:
19013
diff
changeset
|
854 |
val qualified_names = map_naming NameSpace.qualified_names; |
af7cc6063285
replaced qualified_force_prefix to sticky_prefix;
wenzelm
parents:
19013
diff
changeset
|
855 |
val sticky_prefix = map_naming o NameSpace.sticky_prefix; |
af7cc6063285
replaced qualified_force_prefix to sticky_prefix;
wenzelm
parents:
19013
diff
changeset
|
856 |
val set_policy = map_naming o NameSpace.set_policy; |
af7cc6063285
replaced qualified_force_prefix to sticky_prefix;
wenzelm
parents:
19013
diff
changeset
|
857 |
val restore_naming = map_naming o K o naming_of; |
6546 | 858 |
|
19013 | 859 |
val parent_path = add_path ".."; |
860 |
val root_path = add_path "/"; |
|
861 |
val absolute_path = add_path "//"; |
|
16442
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
862 |
|
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
863 |
fun local_path thy = thy |> root_path |> add_path (Context.theory_name thy); |
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
864 |
|
6546 | 865 |
|
16337 | 866 |
(* hide names *) |
386 | 867 |
|
16442
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
868 |
fun hide_classes b xs thy = thy |> map_tsig (Type.hide_classes b (map (intern_class thy) xs)); |
16368
a06868ebeb0f
discontinued named name spaces (classK, typeK, constK);
wenzelm
parents:
16354
diff
changeset
|
869 |
val hide_classes_i = map_tsig oo Type.hide_classes; |
16442
1171ecf7fb7e
obsolete type sg is now an alias for Context.theory;
wenzelm
parents:
16368
diff
changeset
|
870 |
fun hide_types b xs thy = thy |> map_tsig (Type.hide_types b (map (intern_type thy) xs)); |
16368
a06868ebeb0f
discontinued named name spaces (classK, typeK, constK);
wenzelm
parents:
16354
diff
changeset
|
871 |
val hide_types_i = map_tsig oo Type.hide_types; |
18062 | 872 |
fun hide_consts b xs thy = thy |> map_consts (fold (Consts.hide b o intern_const thy) xs); |
873 |
val hide_consts_i = map_consts oo (fold o Consts.hide); |
|
386 | 874 |
|
17343 | 875 |
local |
876 |
||
877 |
val kinds = |
|
878 |
[("class", (intern_class, can o certify_class, hide_classes_i)), |
|
879 |
("type", (intern_type, declared_tyname, hide_types_i)), |
|
880 |
("const", (intern_const, declared_const, hide_consts_i))]; |
|
881 |
||
882 |
fun gen_hide int b (kind, xnames) thy = |
|
883 |
(case AList.lookup (op =) kinds kind of |
|
884 |
SOME (intern, check, hide) => |
|
885 |
let |
|
886 |
val names = if int then map (intern thy) xnames else xnames; |
|
887 |
val bads = filter_out (check thy) names; |
|
888 |
in |
|
889 |
if null bads then hide b names thy |
|
890 |
else error ("Attempt to hide undeclared item(s): " ^ commas_quote bads) |
|
891 |
end |
|
892 |
| NONE => error ("Bad name space specification: " ^ quote kind)); |
|
893 |
||
894 |
in |
|
895 |
||
896 |
val hide_names = gen_hide true; |
|
897 |
val hide_names_i = gen_hide false; |
|
898 |
||
0 | 899 |
end; |
17343 | 900 |
|
901 |
end; |