author | clasohm |
Fri, 03 Mar 1995 11:48:05 +0100 | |
changeset 922 | 196ca0973a6d |
parent 888 | 3a1de9454d13 |
child 1147 | 57b5f55bf879 |
permissions | -rw-r--r-- |
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(* Title: Pure/Syntax/syntax.ML |
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ID: $Id$ |
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Author: Tobias Nipkow and Markus Wenzel, TU Muenchen |
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Root of Isabelle's syntax module. |
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*) |
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infix |-> <-| <->; |
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signature BASIC_SYNTAX = |
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sig |
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include AST0 |
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include SYN_TRANS0 |
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include MIXFIX0 |
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include PRINTER0 |
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type xrule |
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val |-> : (string * string) * (string * string) -> xrule |
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val <-| : (string * string) * (string * string) -> xrule |
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val <-> : (string * string) * (string * string) -> xrule |
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end; |
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signature SYNTAX = |
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sig |
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include AST1 |
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include LEXICON0 |
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include SYN_EXT0 |
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include TYPE_EXT0 |
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include SYN_TRANS1 |
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include MIXFIX1 |
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include PRINTER0 |
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sharing type ast = Parser.SynExt.Ast.ast |
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type xrule |
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val |-> : (string * string) * (string * string) -> xrule |
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val <-| : (string * string) * (string * string) -> xrule |
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val <-> : (string * string) * (string * string) -> xrule |
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type syntax |
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val extend_log_types: syntax -> string list -> syntax |
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val extend_type_gram: syntax -> (string * int * mixfix) list -> syntax |
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val extend_const_gram: syntax -> (string * typ * mixfix) list -> syntax |
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val extend_consts: syntax -> string list -> syntax |
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val extend_trfuns: syntax -> |
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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 -> syntax |
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val extend_trrules: syntax -> xrule list -> syntax |
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val merge_syntaxes: syntax -> syntax -> syntax |
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val type_syn: syntax |
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val pure_syn: syntax |
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val print_gram: syntax -> unit |
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val print_trans: syntax -> unit |
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val print_syntax: syntax -> unit |
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val test_read: syntax -> string -> string -> unit |
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val read: syntax -> typ -> string -> term list |
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val read_typ: syntax -> (indexname -> sort) -> string -> typ |
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val simple_read_typ: string -> typ |
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val pretty_term: bool -> syntax -> term -> Pretty.T |
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val pretty_typ: syntax -> typ -> Pretty.T |
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val string_of_term: bool -> syntax -> term -> string |
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val string_of_typ: syntax -> typ -> string |
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val simple_string_of_typ: typ -> string |
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val simple_pprint_typ: typ -> pprint_args -> unit |
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val ambiguity_level: int ref |
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end; |
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functor SyntaxFun(structure Symtab: SYMTAB and TypeExt: TYPE_EXT |
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and SynTrans: SYN_TRANS and Mixfix: MIXFIX and Printer: PRINTER |
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sharing Mixfix.SynExt = SynTrans.Parser.SynExt = TypeExt.SynExt = Printer.SynExt) |
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: SYNTAX = |
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struct |
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structure SynExt = TypeExt.SynExt; |
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structure Parser = SynTrans.Parser; |
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structure Lexicon = Parser.Lexicon; |
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open Lexicon SynExt SynExt.Ast Parser TypeExt SynTrans Mixfix Printer; |
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(** tables of translation functions **) |
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(*the ref serves as unique id*) |
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type 'a trtab = (('a list -> 'a) * unit ref) Symtab.table; |
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val dest_trtab = Symtab.dest; |
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fun lookup_trtab tab c = |
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apsome fst (Symtab.lookup (tab, c)); |
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(* empty, extend, merge trtabs *) |
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fun err_dup_trfuns name cs = |
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error ("More than one " ^ name ^ " for " ^ commas_quote cs); |
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val empty_trtab = Symtab.null; |
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fun extend_trtab tab trfuns name = |
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Symtab.extend_new (tab, map (fn (c, f) => (c, (f, ref ()))) trfuns) |
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handle Symtab.DUPS cs => err_dup_trfuns name cs; |
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fun merge_trtabs tab1 tab2 name = |
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Symtab.merge eq_snd (tab1, tab2) |
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handle Symtab.DUPS cs => err_dup_trfuns name cs; |
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(** tables of translation rules **) |
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type ruletab = (ast * ast) list Symtab.table; |
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fun dest_ruletab tab = flat (map snd (Symtab.dest tab)); |
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(* lookup_ruletab *) |
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fun lookup_ruletab tab = |
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if Symtab.is_null tab then None |
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else Some (fn a => Symtab.lookup_multi (tab, a)); |
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(* empty, extend, merge ruletabs *) |
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val empty_ruletab = Symtab.null; |
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fun extend_ruletab tab rules = |
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generic_extend (op =) Symtab.dest_multi Symtab.make_multi tab |
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(map (fn r => (head_of_rule r, r)) (distinct rules)); |
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fun merge_ruletabs tab1 tab2 = |
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generic_merge (op =) Symtab.dest_multi Symtab.make_multi tab1 tab2; |
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(** datatype syntax **) |
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datatype syntax = |
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Syntax of { |
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lexicon: lexicon, |
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logtypes: string list, |
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gram: gram, |
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consts: string list, |
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parse_ast_trtab: ast trtab, |
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parse_ruletab: ruletab, |
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parse_trtab: term trtab, |
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print_trtab: term trtab, |
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print_ruletab: ruletab, |
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print_ast_trtab: ast trtab, |
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prtab: prtab}; |
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(* empty_syntax *) |
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val empty_syntax = |
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Syntax { |
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lexicon = empty_lexicon, |
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logtypes = [], |
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gram = empty_gram, |
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consts = [], |
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parse_ast_trtab = empty_trtab, |
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parse_ruletab = empty_ruletab, |
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parse_trtab = empty_trtab, |
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print_trtab = empty_trtab, |
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print_ruletab = empty_ruletab, |
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print_ast_trtab = empty_trtab, |
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prtab = empty_prtab}; |
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(* extend_syntax *) |
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fun extend_syntax (Syntax tabs) syn_ext = |
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let |
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val {lexicon, logtypes = logtypes1, gram, consts = consts1, parse_ast_trtab, |
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parse_ruletab, parse_trtab, print_trtab, print_ruletab, print_ast_trtab, |
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prtab} = tabs; |
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val SynExt {logtypes = logtypes2, xprods, consts = consts2, parse_ast_translation, |
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parse_rules, parse_translation, print_translation, print_rules, |
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print_ast_translation} = syn_ext; |
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in |
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Syntax { |
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lexicon = extend_lexicon lexicon (delims_of xprods), |
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logtypes = extend_list logtypes1 logtypes2, |
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gram = extend_gram gram (logtypes1 @ logtypes2) xprods, |
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consts = consts2 union consts1, |
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parse_ast_trtab = |
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extend_trtab parse_ast_trtab parse_ast_translation "parse ast translation", |
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185 |
parse_ruletab = extend_ruletab parse_ruletab parse_rules, |
|
186 |
parse_trtab = extend_trtab parse_trtab parse_translation "parse translation", |
|
187 |
print_trtab = extend_trtab print_trtab print_translation "print translation", |
|
188 |
print_ruletab = extend_ruletab print_ruletab print_rules, |
|
237
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189 |
print_ast_trtab = |
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190 |
extend_trtab print_ast_trtab print_ast_translation "print ast translation", |
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191 |
prtab = extend_prtab prtab xprods} |
18 | 192 |
end; |
193 |
||
194 |
||
237
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195 |
(* merge_syntaxes *) |
0 | 196 |
|
237
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197 |
fun merge_syntaxes (Syntax tabs1) (Syntax tabs2) = |
0 | 198 |
let |
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|
199 |
val {lexicon = lexicon1, logtypes = logtypes1, gram = gram1, consts = consts1, |
237
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200 |
parse_ast_trtab = parse_ast_trtab1, parse_ruletab = parse_ruletab1, |
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|
201 |
parse_trtab = parse_trtab1, print_trtab = print_trtab1, |
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202 |
print_ruletab = print_ruletab1, print_ast_trtab = print_ast_trtab1, |
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203 |
prtab = prtab1} = tabs1; |
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204 |
|
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|
205 |
val {lexicon = lexicon2, logtypes = logtypes2, gram = gram2, consts = consts2, |
237
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206 |
parse_ast_trtab = parse_ast_trtab2, parse_ruletab = parse_ruletab2, |
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|
207 |
parse_trtab = parse_trtab2, print_trtab = print_trtab2, |
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|
208 |
print_ruletab = print_ruletab2, print_ast_trtab = print_ast_trtab2, |
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209 |
prtab = prtab2} = tabs2; |
0 | 210 |
in |
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211 |
Syntax { |
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212 |
lexicon = merge_lexicons lexicon1 lexicon2, |
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|
213 |
logtypes = merge_lists logtypes1 logtypes2, |
237
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|
214 |
gram = merge_grams gram1 gram2, |
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|
215 |
consts = merge_lists consts1 consts2, |
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|
216 |
parse_ast_trtab = |
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|
217 |
merge_trtabs parse_ast_trtab1 parse_ast_trtab2 "parse ast translation", |
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|
218 |
parse_ruletab = merge_ruletabs parse_ruletab1 parse_ruletab2, |
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|
219 |
parse_trtab = merge_trtabs parse_trtab1 parse_trtab2 "parse translation", |
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|
220 |
print_trtab = merge_trtabs print_trtab1 print_trtab2 "print translation", |
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|
221 |
print_ruletab = merge_ruletabs print_ruletab1 print_ruletab2, |
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|
222 |
print_ast_trtab = |
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changeset
|
223 |
merge_trtabs print_ast_trtab1 print_ast_trtab2 "print ast translation", |
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|
224 |
prtab = merge_prtabs prtab1 prtab2} |
0 | 225 |
end; |
226 |
||
227 |
||
260 | 228 |
(* type_syn *) |
229 |
||
230 |
val type_syn = extend_syntax empty_syntax type_ext; |
|
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|
231 |
val pure_syn = extend_syntax type_syn pure_ext; |
260 | 232 |
|
0 | 233 |
|
237
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|
234 |
(** inspect syntax **) |
0 | 235 |
|
260 | 236 |
fun pretty_strs_qs name strs = |
237 |
Pretty.strs (name :: map quote (sort_strings strs)); |
|
0 | 238 |
|
18 | 239 |
|
240 |
(* print_gram *) |
|
0 | 241 |
|
237
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|
242 |
fun print_gram (Syntax tabs) = |
0 | 243 |
let |
764
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clasohm
parents:
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diff
changeset
|
244 |
val {lexicon, logtypes, gram, ...} = tabs; |
0 | 245 |
in |
260 | 246 |
Pretty.writeln (pretty_strs_qs "lexicon:" (dest_lexicon lexicon)); |
764
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parents:
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diff
changeset
|
247 |
Pretty.writeln (Pretty.strs ("logtypes:" :: logtypes)); |
260 | 248 |
Pretty.writeln (Pretty.big_list "prods:" (pretty_gram gram)) |
0 | 249 |
end; |
250 |
||
251 |
||
18 | 252 |
(* print_trans *) |
0 | 253 |
|
237
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|
254 |
fun print_trans (Syntax tabs) = |
0 | 255 |
let |
260 | 256 |
fun pretty_trtab name tab = |
257 |
pretty_strs_qs name (map fst (dest_trtab tab)); |
|
0 | 258 |
|
260 | 259 |
fun pretty_ruletab name tab = |
260 |
Pretty.big_list name (map pretty_rule (dest_ruletab tab)); |
|
0 | 261 |
|
237
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|
262 |
val {consts, parse_ast_trtab, parse_ruletab, parse_trtab, print_trtab, |
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|
263 |
print_ruletab, print_ast_trtab, ...} = tabs; |
0 | 264 |
in |
260 | 265 |
Pretty.writeln (pretty_strs_qs "consts:" consts); |
266 |
Pretty.writeln (pretty_trtab "parse_ast_translation:" parse_ast_trtab); |
|
267 |
Pretty.writeln (pretty_ruletab "parse_rules:" parse_ruletab); |
|
268 |
Pretty.writeln (pretty_trtab "parse_translation:" parse_trtab); |
|
269 |
Pretty.writeln (pretty_trtab "print_translation:" print_trtab); |
|
270 |
Pretty.writeln (pretty_ruletab "print_rules:" print_ruletab); |
|
271 |
Pretty.writeln (pretty_trtab "print_ast_translation:" print_ast_trtab) |
|
0 | 272 |
end; |
273 |
||
274 |
||
275 |
(* print_syntax *) |
|
276 |
||
237
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277 |
fun print_syntax syn = (print_gram syn; print_trans syn); |
0 | 278 |
|
279 |
||
280 |
||
237
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281 |
(** read **) |
18 | 282 |
|
237
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|
283 |
(* test_read *) |
18 | 284 |
|
237
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|
285 |
fun test_read (Syntax tabs) root str = |
18 | 286 |
let |
237
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|
287 |
val {lexicon, gram, parse_ast_trtab, parse_ruletab, ...} = tabs; |
18 | 288 |
|
289 |
val toks = tokenize lexicon false str; |
|
624 | 290 |
val _ = writeln ("tokens: " ^ space_implode " " (map display_token toks)); |
18 | 291 |
|
383
fcea89074e4c
added incremental extension functions: extend_log_types, extend_type_gram,
wenzelm
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diff
changeset
|
292 |
fun show_pt pt = |
fcea89074e4c
added incremental extension functions: extend_log_types, extend_type_gram,
wenzelm
parents:
330
diff
changeset
|
293 |
let |
fcea89074e4c
added incremental extension functions: extend_log_types, extend_type_gram,
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parents:
330
diff
changeset
|
294 |
val raw_ast = pt_to_ast (K None) pt; |
fcea89074e4c
added incremental extension functions: extend_log_types, extend_type_gram,
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diff
changeset
|
295 |
val _ = writeln ("raw: " ^ str_of_ast raw_ast); |
fcea89074e4c
added incremental extension functions: extend_log_types, extend_type_gram,
wenzelm
parents:
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diff
changeset
|
296 |
val pre_ast = pt_to_ast (lookup_trtab parse_ast_trtab) pt; |
fcea89074e4c
added incremental extension functions: extend_log_types, extend_type_gram,
wenzelm
parents:
330
diff
changeset
|
297 |
val _ = normalize true true (lookup_ruletab parse_ruletab) pre_ast; |
fcea89074e4c
added incremental extension functions: extend_log_types, extend_type_gram,
wenzelm
parents:
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changeset
|
298 |
in () end; |
fcea89074e4c
added incremental extension functions: extend_log_types, extend_type_gram,
wenzelm
parents:
330
diff
changeset
|
299 |
in |
fcea89074e4c
added incremental extension functions: extend_log_types, extend_type_gram,
wenzelm
parents:
330
diff
changeset
|
300 |
seq show_pt (parse gram root toks) |
fcea89074e4c
added incremental extension functions: extend_log_types, extend_type_gram,
wenzelm
parents:
330
diff
changeset
|
301 |
end; |
18 | 302 |
|
303 |
||
260 | 304 |
(* read_ast *) |
305 |
||
882
b118d1ea0dfd
moved ambiguity_level from sign.ML to Syntax/syntax.ML
clasohm
parents:
865
diff
changeset
|
306 |
val ambiguity_level = ref 1; |
b118d1ea0dfd
moved ambiguity_level from sign.ML to Syntax/syntax.ML
clasohm
parents:
865
diff
changeset
|
307 |
|
865 | 308 |
fun read_asts (Syntax tabs) xids root str = |
260 | 309 |
let |
764
b60e77395d1a
changed Pure's grammar and the way types are converted to nonterminals
clasohm
parents:
624
diff
changeset
|
310 |
val {lexicon, gram, parse_ast_trtab, logtypes, ...} = tabs; |
b60e77395d1a
changed Pure's grammar and the way types are converted to nonterminals
clasohm
parents:
624
diff
changeset
|
311 |
val root' = if root mem logtypes then logic else root; |
624 | 312 |
val pts = parse gram root' (tokenize lexicon xids str); |
330
2fda15dd1e0f
changed the way a grammar is generated to allow the new parser to work;
clasohm
parents:
260
diff
changeset
|
313 |
|
624 | 314 |
fun show_pt pt = writeln (str_of_ast (pt_to_ast (K None) pt)); |
260 | 315 |
in |
888
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
316 |
if length pts > ! ambiguity_level then |
624 | 317 |
(writeln ("Warning: Ambiguous input " ^ quote str); |
882
b118d1ea0dfd
moved ambiguity_level from sign.ML to Syntax/syntax.ML
clasohm
parents:
865
diff
changeset
|
318 |
writeln "produces the following parse trees:"; |
b118d1ea0dfd
moved ambiguity_level from sign.ML to Syntax/syntax.ML
clasohm
parents:
865
diff
changeset
|
319 |
seq show_pt pts) |
624 | 320 |
else (); |
321 |
map (pt_to_ast (lookup_trtab parse_ast_trtab)) pts |
|
260 | 322 |
end; |
323 |
||
324 |
||
237
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|
325 |
(* read *) |
0 | 326 |
|
237
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changeset
|
327 |
fun read (syn as Syntax tabs) ty str = |
0 | 328 |
let |
237
a7d3e712767a
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parents:
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diff
changeset
|
329 |
val {parse_ruletab, parse_trtab, ...} = tabs; |
865 | 330 |
val asts = read_asts syn false (typ_to_nonterm ty) str; |
0 | 331 |
in |
624 | 332 |
map (ast_to_term (lookup_trtab parse_trtab)) |
333 |
(map (normalize_ast (lookup_ruletab parse_ruletab)) asts) |
|
0 | 334 |
end; |
335 |
||
336 |
||
237
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MAJOR INTERNAL CHANGE: extend and merge operations of syntax tables
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changeset
|
337 |
(* read types *) |
0 | 338 |
|
237
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changeset
|
339 |
fun read_typ syn def_sort str = |
888
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
340 |
(case read syn typeT str of |
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
341 |
[t] => typ_of_term (raw_term_sorts t) def_sort t |
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
342 |
| _ => sys_error "read_typ: ambiguous type syntax"); |
144 | 343 |
|
237
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MAJOR INTERNAL CHANGE: extend and merge operations of syntax tables
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changeset
|
344 |
fun simple_read_typ str = read_typ type_syn (K []) str; |
144 | 345 |
|
346 |
||
865 | 347 |
(* read translation rules *) |
18 | 348 |
|
888
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
349 |
datatype 'a rule = |
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
350 |
op |-> of 'a * 'a | |
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
351 |
op <-| of 'a * 'a | |
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
352 |
op <-> of 'a * 'a; |
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
353 |
|
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
354 |
type xrule = (string * string) rule; |
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
355 |
|
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
356 |
|
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
357 |
fun read_pattern syn (root, str) = |
18 | 358 |
let |
237
a7d3e712767a
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changeset
|
359 |
val Syntax {consts, ...} = syn; |
18 | 360 |
|
888
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
361 |
fun constify (ast as Constant _) = ast |
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
362 |
| constify (ast as Variable x) = |
18 | 363 |
if x mem consts then Constant x else ast |
888
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
364 |
| constify (Appl asts) = Appl (map constify asts); |
18 | 365 |
in |
888
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
366 |
(case read_asts syn true root str of |
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
367 |
[ast] => constify ast |
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
368 |
| _ => error ("Syntactically ambiguous input: " ^ quote str)) |
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
369 |
end handle ERROR => |
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
370 |
error ("The error(s) above occurred in translation pattern " ^ |
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
371 |
quote str); |
0 | 372 |
|
556 | 373 |
|
888
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
374 |
fun check_rule (rule as (lhs, rhs)) = |
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
375 |
(case rule_error rule of |
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
376 |
Some msg => |
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
377 |
error ("Error in syntax translation rule: " ^ msg ^ "\n" ^ |
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
378 |
str_of_ast lhs ^ " -> " ^ str_of_ast rhs) |
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
379 |
| None => rule); |
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
380 |
|
556 | 381 |
|
865 | 382 |
fun read_xrules syn xrules = |
18 | 383 |
let |
888
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
384 |
fun map_rule f (x |-> y) = (f x |-> f y) |
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
385 |
| map_rule f (x <-| y) = (f x <-| f y) |
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
386 |
| map_rule f (x <-> y) = (f x <-> f y); |
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
387 |
|
18 | 388 |
fun right_rule (xpat1 |-> xpat2) = Some (xpat1, xpat2) |
389 |
| right_rule (xpat1 <-| xpat2) = None |
|
390 |
| right_rule (xpat1 <-> xpat2) = Some (xpat1, xpat2); |
|
0 | 391 |
|
18 | 392 |
fun left_rule (xpat1 |-> xpat2) = None |
393 |
| left_rule (xpat1 <-| xpat2) = Some (xpat2, xpat1) |
|
394 |
| left_rule (xpat1 <-> xpat2) = Some (xpat2, xpat1); |
|
888
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
395 |
|
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
396 |
val rules = map (map_rule (read_pattern syn)) xrules; |
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
397 |
in |
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
398 |
(map check_rule (mapfilter right_rule rules), |
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
399 |
map check_rule (mapfilter left_rule rules)) |
18 | 400 |
end; |
401 |
||
402 |
||
403 |
||
404 |
(** pretty terms or typs **) |
|
405 |
||
922
196ca0973a6d
added CPure (curried functions) and ProtoPure (ancestor of Pure and CPure)
clasohm
parents:
888
diff
changeset
|
406 |
fun pretty_t t_to_ast pretty_t curried (syn as Syntax tabs) t = |
0 | 407 |
let |
237
a7d3e712767a
MAJOR INTERNAL CHANGE: extend and merge operations of syntax tables
wenzelm
parents:
175
diff
changeset
|
408 |
val {print_trtab, print_ruletab, print_ast_trtab, prtab, ...} = tabs; |
a7d3e712767a
MAJOR INTERNAL CHANGE: extend and merge operations of syntax tables
wenzelm
parents:
175
diff
changeset
|
409 |
val ast = t_to_ast (lookup_trtab print_trtab) t; |
0 | 410 |
in |
922
196ca0973a6d
added CPure (curried functions) and ProtoPure (ancestor of Pure and CPure)
clasohm
parents:
888
diff
changeset
|
411 |
pretty_t curried prtab (lookup_trtab print_ast_trtab) |
237
a7d3e712767a
MAJOR INTERNAL CHANGE: extend and merge operations of syntax tables
wenzelm
parents:
175
diff
changeset
|
412 |
(normalize_ast (lookup_ruletab print_ruletab) ast) |
0 | 413 |
end; |
414 |
||
415 |
val pretty_term = pretty_t term_to_ast pretty_term_ast; |
|
922
196ca0973a6d
added CPure (curried functions) and ProtoPure (ancestor of Pure and CPure)
clasohm
parents:
888
diff
changeset
|
416 |
val pretty_typ = pretty_t typ_to_ast pretty_typ_ast false; |
0 | 417 |
|
922
196ca0973a6d
added CPure (curried functions) and ProtoPure (ancestor of Pure and CPure)
clasohm
parents:
888
diff
changeset
|
418 |
fun string_of_term curried syn t = |
196ca0973a6d
added CPure (curried functions) and ProtoPure (ancestor of Pure and CPure)
clasohm
parents:
888
diff
changeset
|
419 |
Pretty.string_of (pretty_term curried syn t); |
260 | 420 |
fun string_of_typ syn ty = Pretty.string_of (pretty_typ syn ty); |
0 | 421 |
|
260 | 422 |
val simple_string_of_typ = string_of_typ type_syn; |
423 |
val simple_pprint_typ = Pretty.pprint o Pretty.quote o (pretty_typ type_syn); |
|
0 | 424 |
|
425 |
||
426 |
||
383
fcea89074e4c
added incremental extension functions: extend_log_types, extend_type_gram,
wenzelm
parents:
330
diff
changeset
|
427 |
(** extend syntax (external interfaces) **) |
fcea89074e4c
added incremental extension functions: extend_log_types, extend_type_gram,
wenzelm
parents:
330
diff
changeset
|
428 |
|
764
b60e77395d1a
changed Pure's grammar and the way types are converted to nonterminals
clasohm
parents:
624
diff
changeset
|
429 |
fun ext_syntax mk_syn_ext (syn as Syntax {logtypes, ...}) decls = |
b60e77395d1a
changed Pure's grammar and the way types are converted to nonterminals
clasohm
parents:
624
diff
changeset
|
430 |
extend_syntax syn (mk_syn_ext logtypes decls); |
383
fcea89074e4c
added incremental extension functions: extend_log_types, extend_type_gram,
wenzelm
parents:
330
diff
changeset
|
431 |
|
167 | 432 |
|
764
b60e77395d1a
changed Pure's grammar and the way types are converted to nonterminals
clasohm
parents:
624
diff
changeset
|
433 |
fun extend_log_types syn logtypes = |
b60e77395d1a
changed Pure's grammar and the way types are converted to nonterminals
clasohm
parents:
624
diff
changeset
|
434 |
extend_syntax syn (syn_ext_logtypes logtypes); |
383
fcea89074e4c
added incremental extension functions: extend_log_types, extend_type_gram,
wenzelm
parents:
330
diff
changeset
|
435 |
|
556 | 436 |
val extend_type_gram = ext_syntax syn_ext_types; |
383
fcea89074e4c
added incremental extension functions: extend_log_types, extend_type_gram,
wenzelm
parents:
330
diff
changeset
|
437 |
|
556 | 438 |
val extend_const_gram = ext_syntax syn_ext_consts; |
383
fcea89074e4c
added incremental extension functions: extend_log_types, extend_type_gram,
wenzelm
parents:
330
diff
changeset
|
439 |
|
fcea89074e4c
added incremental extension functions: extend_log_types, extend_type_gram,
wenzelm
parents:
330
diff
changeset
|
440 |
val extend_consts = ext_syntax syn_ext_const_names; |
fcea89074e4c
added incremental extension functions: extend_log_types, extend_type_gram,
wenzelm
parents:
330
diff
changeset
|
441 |
|
fcea89074e4c
added incremental extension functions: extend_log_types, extend_type_gram,
wenzelm
parents:
330
diff
changeset
|
442 |
val extend_trfuns = ext_syntax syn_ext_trfuns; |
fcea89074e4c
added incremental extension functions: extend_log_types, extend_type_gram,
wenzelm
parents:
330
diff
changeset
|
443 |
|
865 | 444 |
fun extend_trrules syn xrules = |
445 |
ext_syntax syn_ext_rules syn (read_xrules syn xrules); |
|
383
fcea89074e4c
added incremental extension functions: extend_log_types, extend_type_gram,
wenzelm
parents:
330
diff
changeset
|
446 |
|
0 | 447 |
end; |