author | kleing |
Mon, 21 Jun 2004 10:25:57 +0200 | |
changeset 14981 | e73f8140af78 |
parent 14904 | 7d8dc92fcb7f |
child 15531 | 08c8dad8e399 |
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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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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end; |
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signature SYNTAX = |
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sig |
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include TOKEN_TRANS0 |
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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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val extend_trtab: ('a * stamp) Symtab.table -> (string * 'a) list -> string |
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-> ('a * stamp) Symtab.table |
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val merge_trtabs: ('a * stamp) Symtab.table -> ('a * stamp) Symtab.table -> string |
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-> ('a * stamp) Symtab.table |
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val merge_tr'tabs: ('a * stamp) list Symtab.table -> ('a * stamp) list Symtab.table |
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-> ('a * stamp) list Symtab.table |
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val extend_tr'tab: ('a * stamp) list Symtab.table -> (string * 'a) list |
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-> ('a * stamp) list Symtab.table |
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datatype 'a trrule = |
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ParseRule of 'a * 'a | |
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PrintRule of 'a * 'a | |
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ParsePrintRule of 'a * 'a |
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type syntax |
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val is_keyword: syntax -> string -> bool |
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val extend_type_gram: (string * int * mixfix) list -> syntax -> syntax |
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val extend_const_gram: (string -> bool) -> |
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string * bool -> (string * typ * mixfix) list -> syntax -> syntax |
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val extend_consts: string list -> syntax -> syntax |
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val extend_trfuns: |
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(string * (ast list -> ast)) list * |
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(string * (term list -> term)) list * |
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(string * (bool -> typ -> term list -> term)) list * |
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(string * (ast list -> ast)) list -> syntax -> syntax |
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val extend_tokentrfuns: |
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(string * string * (string -> string * real)) list -> syntax -> syntax |
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val extend_trrules_i: ast trrule list -> syntax -> syntax |
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val extend_trrules: (string -> bool) -> syntax -> |
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(string * string) trrule list -> syntax -> syntax |
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val map_trrule: ('a -> 'b) -> 'a trrule -> 'b trrule |
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val default_mode: string * bool |
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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 read: (string -> bool) -> syntax -> typ -> string -> term list |
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val read_typ: syntax -> ((indexname * sort) list -> indexname -> sort) -> (sort -> sort) -> |
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string -> typ |
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val read_sort: syntax -> string -> sort |
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val pretty_term: syntax -> bool -> term -> Pretty.T |
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val pretty_typ: syntax -> typ -> Pretty.T |
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val pretty_sort: syntax -> sort -> Pretty.T |
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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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val ambiguity_is_error: bool ref |
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end; |
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structure Syntax: SYNTAX = |
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struct |
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val ambiguity_is_error = ref false |
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(** tables of translation functions **) |
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fun mk_trfun (c, f) = (c, (f, stamp ())); |
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fun eq_trfuns ((_, s1:stamp), (_, s2)) = s1 = s2; |
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(* parse (ast) translations *) |
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fun lookup_tr tab c = apsome fst (Symtab.lookup (tab, c)); |
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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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fun extend_trtab tab trfuns name = |
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Symtab.extend (tab, map mk_trfun 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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(* print (ast) translations *) |
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fun lookup_tr' tab c = map fst (Symtab.lookup_multi (tab, c)); |
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fun extend_tr'tab tab trfuns = foldr Symtab.update_multi (map mk_trfun trfuns, tab); |
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fun merge_tr'tabs tab1 tab2 = Symtab.merge_multi' eq_trfuns (tab1, tab2); |
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(** tables of token translation functions **) |
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fun lookup_tokentr tabs modes = |
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let val trs = gen_distinct eq_fst (flat (map (assocs tabs) (modes @ [""]))) |
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in fn c => apsome fst (assoc (trs, c)) end; |
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fun merge_tokentrtabs tabs1 tabs2 = |
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let |
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fun eq_tr ((c1, (_, s1)), (c2, (_, s2))) = c1 = c2 andalso s1 = s2; |
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fun name (s, _) = implode (tl (Symbol.explode s)); |
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fun merge mode = |
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let |
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val trs1 = assocs tabs1 mode; |
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val trs2 = assocs tabs2 mode; |
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val trs = gen_distinct eq_tr (trs1 @ trs2); |
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in |
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(case gen_duplicates eq_fst trs of |
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[] => (mode, trs) |
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| dups => error ("More than one token translation function in mode " ^ |
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quote mode ^ " for " ^ commas_quote (map name dups))) |
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end; |
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in |
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map merge (distinct (map fst (tabs1 @ tabs2))) |
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end; |
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fun extend_tokentrtab tabs tokentrs = |
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let |
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fun ins_tokentr (ts, (m, c, f)) = |
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overwrite (ts, (m, ("_" ^ c, (f, stamp ())) :: assocs ts m)); |
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in |
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merge_tokentrtabs tabs (foldl ins_tokentr ([], tokentrs)) |
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end; |
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(** tables of translation rules **) |
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type ruletab = (Ast.ast * Ast.ast) list Symtab.table; |
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fun dest_ruletab tab = flat (map snd (Symtab.dest tab)); |
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fun lookup_ruletab tab a = Symtab.lookup_multi (tab, a); |
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(* empty, extend, merge ruletabs *) |
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fun extend_ruletab tab rules = |
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foldr Symtab.update_multi (map (fn r => (Ast.head_of_rule r, r)) rules, tab); |
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fun merge_ruletabs tab1 tab2 = Symtab.merge_multi' (op =) (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: Scan.lexicon, |
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gram: Parser.gram, |
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consts: string list, |
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prmodes: string list, |
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parse_ast_trtab: ((Ast.ast list -> Ast.ast) * stamp) Symtab.table, |
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parse_ruletab: ruletab, |
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parse_trtab: ((term list -> term) * stamp) Symtab.table, |
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print_trtab: ((bool -> typ -> term list -> term) * stamp) list Symtab.table, |
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print_ruletab: ruletab, |
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print_ast_trtab: ((Ast.ast list -> Ast.ast) * stamp) list Symtab.table, |
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tokentrtab: (string * (string * ((string -> string * real) * stamp)) list) list, |
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prtabs: Printer.prtabs} |
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fun is_keyword (Syntax {lexicon, ...}) = Scan.is_literal lexicon o Symbol.explode; |
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(* empty_syntax *) |
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val empty_syntax = |
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Syntax { |
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lexicon = Scan.empty_lexicon, |
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gram = Parser.empty_gram, |
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consts = [], |
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prmodes = [], |
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parse_ast_trtab = Symtab.empty, |
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parse_ruletab = Symtab.empty, |
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parse_trtab = Symtab.empty, |
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print_trtab = Symtab.empty, |
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print_ruletab = Symtab.empty, |
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print_ast_trtab = Symtab.empty, |
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tokentrtab = [], |
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prtabs = Printer.empty_prtabs} |
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(* extend_syntax *) |
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fun extend_syntax (mode, inout) syn_ext (Syntax tabs) = |
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let |
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val {lexicon, gram, consts = consts1, prmodes = prmodes1, |
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parse_ast_trtab, parse_ruletab, parse_trtab, print_trtab, print_ruletab, |
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print_ast_trtab, tokentrtab, prtabs} = tabs; |
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val SynExt.SynExt {xprods, consts = consts2, prmodes = prmodes2, |
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parse_ast_translation, parse_rules, parse_translation, print_translation, print_rules, |
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print_ast_translation, token_translation} = syn_ext; |
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in |
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Syntax { |
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lexicon = if inout then Scan.extend_lexicon lexicon (SynExt.delims_of xprods) else lexicon, |
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gram = if inout then Parser.extend_gram gram xprods else gram, |
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consts = consts2 @ consts1, |
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prmodes = (mode ins_string prmodes2) union_string prmodes1, |
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parse_ast_trtab = |
218 |
extend_trtab parse_ast_trtab parse_ast_translation "parse ast translation", |
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parse_ruletab = extend_ruletab parse_ruletab parse_rules, |
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parse_trtab = extend_trtab parse_trtab parse_translation "parse translation", |
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print_trtab = extend_tr'tab print_trtab print_translation, |
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print_ruletab = extend_ruletab print_ruletab print_rules, |
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print_ast_trtab = extend_tr'tab print_ast_trtab print_ast_translation, |
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tokentrtab = extend_tokentrtab tokentrtab token_translation, |
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prtabs = Printer.extend_prtabs prtabs mode xprods} |
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end; |
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val default_mode = ("", true); |
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(* merge_syntaxes *) |
0 | 232 |
|
237
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diff
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|
233 |
fun merge_syntaxes (Syntax tabs1) (Syntax tabs2) = |
0 | 234 |
let |
14904
7d8dc92fcb7f
removed separate logtypes field of syntax; removed test_read, simple_str_of_sort, simple_string_of_typ; provide default_mode;
wenzelm
parents:
14798
diff
changeset
|
235 |
val {lexicon = lexicon1, gram = gram1, consts = consts1, prmodes = prmodes1, |
7d8dc92fcb7f
removed separate logtypes field of syntax; removed test_read, simple_str_of_sort, simple_string_of_typ; provide default_mode;
wenzelm
parents:
14798
diff
changeset
|
236 |
parse_ast_trtab = parse_ast_trtab1, parse_ruletab = parse_ruletab1, |
237
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diff
changeset
|
237 |
parse_trtab = parse_trtab1, print_trtab = print_trtab1, |
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diff
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|
238 |
print_ruletab = print_ruletab1, print_ast_trtab = print_ast_trtab1, |
2700 | 239 |
tokentrtab = tokentrtab1, prtabs = prtabs1} = tabs1; |
237
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diff
changeset
|
240 |
|
14904
7d8dc92fcb7f
removed separate logtypes field of syntax; removed test_read, simple_str_of_sort, simple_string_of_typ; provide default_mode;
wenzelm
parents:
14798
diff
changeset
|
241 |
val {lexicon = lexicon2, gram = gram2, consts = consts2, prmodes = prmodes2, |
7d8dc92fcb7f
removed separate logtypes field of syntax; removed test_read, simple_str_of_sort, simple_string_of_typ; provide default_mode;
wenzelm
parents:
14798
diff
changeset
|
242 |
parse_ast_trtab = parse_ast_trtab2, parse_ruletab = parse_ruletab2, |
237
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parents:
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diff
changeset
|
243 |
parse_trtab = parse_trtab2, print_trtab = print_trtab2, |
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diff
changeset
|
244 |
print_ruletab = print_ruletab2, print_ast_trtab = print_ast_trtab2, |
2700 | 245 |
tokentrtab = tokentrtab2, prtabs = prtabs2} = tabs2; |
0 | 246 |
in |
237
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diff
changeset
|
247 |
Syntax { |
4703 | 248 |
lexicon = Scan.merge_lexicons lexicon1 lexicon2, |
5692 | 249 |
gram = Parser.merge_grams gram1 gram2, |
11528 | 250 |
consts = unique_strings (sort_strings (consts1 @ consts2)), |
2913 | 251 |
prmodes = merge_lists prmodes1 prmodes2, |
237
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diff
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|
252 |
parse_ast_trtab = |
a7d3e712767a
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diff
changeset
|
253 |
merge_trtabs parse_ast_trtab1 parse_ast_trtab2 "parse ast translation", |
a7d3e712767a
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parents:
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diff
changeset
|
254 |
parse_ruletab = merge_ruletabs parse_ruletab1 parse_ruletab2, |
a7d3e712767a
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parents:
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diff
changeset
|
255 |
parse_trtab = merge_trtabs parse_trtab1 parse_trtab2 "parse translation", |
5692 | 256 |
print_trtab = merge_tr'tabs print_trtab1 print_trtab2, |
237
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parents:
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diff
changeset
|
257 |
print_ruletab = merge_ruletabs print_ruletab1 print_ruletab2, |
5692 | 258 |
print_ast_trtab = merge_tr'tabs print_ast_trtab1 print_ast_trtab2, |
2700 | 259 |
tokentrtab = merge_tokentrtabs tokentrtab1 tokentrtab2, |
5692 | 260 |
prtabs = Printer.merge_prtabs prtabs1 prtabs2} |
0 | 261 |
end; |
262 |
||
263 |
||
260 | 264 |
(* type_syn *) |
265 |
||
14904
7d8dc92fcb7f
removed separate logtypes field of syntax; removed test_read, simple_str_of_sort, simple_string_of_typ; provide default_mode;
wenzelm
parents:
14798
diff
changeset
|
266 |
val type_syn = empty_syntax |> extend_syntax default_mode TypeExt.type_ext; |
7d8dc92fcb7f
removed separate logtypes field of syntax; removed test_read, simple_str_of_sort, simple_string_of_typ; provide default_mode;
wenzelm
parents:
14798
diff
changeset
|
267 |
val pure_syn = type_syn |> extend_syntax default_mode SynExt.pure_ext; |
260 | 268 |
|
0 | 269 |
|
4887 | 270 |
|
237
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diff
changeset
|
271 |
(** inspect syntax **) |
0 | 272 |
|
260 | 273 |
fun pretty_strs_qs name strs = |
14598
7009f59711e3
Replaced quote by Library.quote, since quote now refers to Symbol.quote
berghofe
parents:
14177
diff
changeset
|
274 |
Pretty.strs (name :: map Library.quote (sort_strings strs)); |
0 | 275 |
|
18 | 276 |
|
277 |
(* print_gram *) |
|
0 | 278 |
|
237
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parents:
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diff
changeset
|
279 |
fun print_gram (Syntax tabs) = |
0 | 280 |
let |
14904
7d8dc92fcb7f
removed separate logtypes field of syntax; removed test_read, simple_str_of_sort, simple_string_of_typ; provide default_mode;
wenzelm
parents:
14798
diff
changeset
|
281 |
val {lexicon, prmodes, gram, prtabs, ...} = tabs; |
2913 | 282 |
val prmodes' = sort_strings (filter_out (equal "") prmodes); |
0 | 283 |
in |
8720 | 284 |
[pretty_strs_qs "lexicon:" (Scan.dest_lexicon lexicon), |
285 |
Pretty.big_list "prods:" (Parser.pretty_gram gram), |
|
286 |
pretty_strs_qs "print modes:" prmodes'] |
|
287 |
|> Pretty.chunks |> Pretty.writeln |
|
0 | 288 |
end; |
289 |
||
290 |
||
18 | 291 |
(* print_trans *) |
0 | 292 |
|
237
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diff
changeset
|
293 |
fun print_trans (Syntax tabs) = |
0 | 294 |
let |
260 | 295 |
fun pretty_trtab name tab = |
5692 | 296 |
pretty_strs_qs name (Symtab.keys tab); |
0 | 297 |
|
260 | 298 |
fun pretty_ruletab name tab = |
5692 | 299 |
Pretty.big_list name (map Ast.pretty_rule (dest_ruletab tab)); |
0 | 300 |
|
14598
7009f59711e3
Replaced quote by Library.quote, since quote now refers to Symbol.quote
berghofe
parents:
14177
diff
changeset
|
301 |
fun pretty_tokentr (mode, trs) = Pretty.strs (Library.quote mode ^ ":" :: map fst trs); |
4703 | 302 |
|
237
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diff
changeset
|
303 |
val {consts, parse_ast_trtab, parse_ruletab, parse_trtab, print_trtab, |
4703 | 304 |
print_ruletab, print_ast_trtab, tokentrtab, ...} = tabs; |
0 | 305 |
in |
8720 | 306 |
[pretty_strs_qs "consts:" consts, |
307 |
pretty_trtab "parse_ast_translation:" parse_ast_trtab, |
|
308 |
pretty_ruletab "parse_rules:" parse_ruletab, |
|
309 |
pretty_trtab "parse_translation:" parse_trtab, |
|
310 |
pretty_trtab "print_translation:" print_trtab, |
|
311 |
pretty_ruletab "print_rules:" print_ruletab, |
|
312 |
pretty_trtab "print_ast_translation:" print_ast_trtab, |
|
313 |
Pretty.big_list "token_translation:" (map pretty_tokentr tokentrtab)] |
|
314 |
|> Pretty.chunks |> Pretty.writeln |
|
0 | 315 |
end; |
316 |
||
317 |
||
318 |
(* print_syntax *) |
|
319 |
||
237
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diff
changeset
|
320 |
fun print_syntax syn = (print_gram syn; print_trans syn); |
0 | 321 |
|
322 |
||
323 |
||
237
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diff
changeset
|
324 |
(** read **) |
18 | 325 |
|
260 | 326 |
(* read_ast *) |
327 |
||
882
b118d1ea0dfd
moved ambiguity_level from sign.ML to Syntax/syntax.ML
clasohm
parents:
865
diff
changeset
|
328 |
val ambiguity_level = ref 1; |
b118d1ea0dfd
moved ambiguity_level from sign.ML to Syntax/syntax.ML
clasohm
parents:
865
diff
changeset
|
329 |
|
14904
7d8dc92fcb7f
removed separate logtypes field of syntax; removed test_read, simple_str_of_sort, simple_string_of_typ; provide default_mode;
wenzelm
parents:
14798
diff
changeset
|
330 |
fun read_asts is_logtype (Syntax tabs) xids root str = |
260 | 331 |
let |
14904
7d8dc92fcb7f
removed separate logtypes field of syntax; removed test_read, simple_str_of_sort, simple_string_of_typ; provide default_mode;
wenzelm
parents:
14798
diff
changeset
|
332 |
val {lexicon, gram, parse_ast_trtab, ...} = tabs; |
7d8dc92fcb7f
removed separate logtypes field of syntax; removed test_read, simple_str_of_sort, simple_string_of_typ; provide default_mode;
wenzelm
parents:
14798
diff
changeset
|
333 |
val root' = if root <> "prop" andalso is_logtype root then SynExt.logic else root; |
4703 | 334 |
val chars = Symbol.explode str; |
5692 | 335 |
val pts = Parser.parse gram root' (Lexicon.tokenize lexicon xids chars); |
330
2fda15dd1e0f
changed the way a grammar is generated to allow the new parser to work;
clasohm
parents:
260
diff
changeset
|
336 |
|
12292 | 337 |
fun show_pt pt = |
14798
702cb4859cab
Modified functions pt_to_ast and ast_to_term to improve handling
berghofe
parents:
14687
diff
changeset
|
338 |
warning (Pretty.string_of (Ast.pretty_ast (hd (SynTrans.pts_to_asts (K None) [pt])))); |
260 | 339 |
in |
888
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
340 |
if length pts > ! ambiguity_level then |
14687 | 341 |
if ! ambiguity_is_error then |
342 |
error ("Ambiguous input " ^ quote str) |
|
343 |
else |
|
344 |
(warning ("Ambiguous input " ^ quote str); |
|
345 |
warning "produces the following parse trees:"; |
|
346 |
seq show_pt pts) |
|
624 | 347 |
else (); |
14798
702cb4859cab
Modified functions pt_to_ast and ast_to_term to improve handling
berghofe
parents:
14687
diff
changeset
|
348 |
SynTrans.pts_to_asts (lookup_tr parse_ast_trtab) pts |
260 | 349 |
end; |
350 |
||
351 |
||
237
a7d3e712767a
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wenzelm
parents:
175
diff
changeset
|
352 |
(* read *) |
0 | 353 |
|
14904
7d8dc92fcb7f
removed separate logtypes field of syntax; removed test_read, simple_str_of_sort, simple_string_of_typ; provide default_mode;
wenzelm
parents:
14798
diff
changeset
|
354 |
fun read is_logtype (syn as Syntax tabs) ty str = |
0 | 355 |
let |
237
a7d3e712767a
MAJOR INTERNAL CHANGE: extend and merge operations of syntax tables
wenzelm
parents:
175
diff
changeset
|
356 |
val {parse_ruletab, parse_trtab, ...} = tabs; |
14904
7d8dc92fcb7f
removed separate logtypes field of syntax; removed test_read, simple_str_of_sort, simple_string_of_typ; provide default_mode;
wenzelm
parents:
14798
diff
changeset
|
357 |
val asts = read_asts is_logtype syn false (SynExt.typ_to_nonterm ty) str; |
0 | 358 |
in |
14798
702cb4859cab
Modified functions pt_to_ast and ast_to_term to improve handling
berghofe
parents:
14687
diff
changeset
|
359 |
SynTrans.asts_to_terms (lookup_tr parse_trtab) |
5692 | 360 |
(map (Ast.normalize_ast (lookup_ruletab parse_ruletab)) asts) |
0 | 361 |
end; |
362 |
||
363 |
||
237
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MAJOR INTERNAL CHANGE: extend and merge operations of syntax tables
wenzelm
parents:
175
diff
changeset
|
364 |
(* read types *) |
0 | 365 |
|
12316 | 366 |
fun read_typ syn get_sort map_sort str = |
14904
7d8dc92fcb7f
removed separate logtypes field of syntax; removed test_read, simple_str_of_sort, simple_string_of_typ; provide default_mode;
wenzelm
parents:
14798
diff
changeset
|
367 |
(case read (K false) syn SynExt.typeT str of |
12316 | 368 |
[t] => TypeExt.typ_of_term (get_sort (TypeExt.raw_term_sorts t)) map_sort t |
8894 | 369 |
| _ => error "read_typ: ambiguous syntax"); |
144 | 370 |
|
371 |
||
8894 | 372 |
(* read sorts *) |
373 |
||
374 |
fun read_sort syn str = |
|
14904
7d8dc92fcb7f
removed separate logtypes field of syntax; removed test_read, simple_str_of_sort, simple_string_of_typ; provide default_mode;
wenzelm
parents:
14798
diff
changeset
|
375 |
(case read (K false) syn TypeExt.sortT str of |
8894 | 376 |
[t] => TypeExt.sort_of_term t |
377 |
| _ => error "read_sort: ambiguous syntax"); |
|
378 |
||
379 |
||
18 | 380 |
|
1158 | 381 |
(** prepare translation rules **) |
382 |
||
383 |
datatype 'a trrule = |
|
3526 | 384 |
ParseRule of 'a * 'a | |
385 |
PrintRule of 'a * 'a | |
|
386 |
ParsePrintRule of 'a * 'a; |
|
888
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
387 |
|
4618 | 388 |
fun map_trrule f (ParseRule (x, y)) = ParseRule (f x, f y) |
389 |
| map_trrule f (PrintRule (x, y)) = PrintRule (f x, f y) |
|
390 |
| map_trrule f (ParsePrintRule (x, y)) = ParsePrintRule (f x, f y); |
|
1158 | 391 |
|
3526 | 392 |
fun parse_rule (ParseRule pats) = Some pats |
393 |
| parse_rule (PrintRule _) = None |
|
394 |
| parse_rule (ParsePrintRule pats) = Some pats; |
|
1158 | 395 |
|
3526 | 396 |
fun print_rule (ParseRule _) = None |
397 |
| print_rule (PrintRule pats) = Some (swap pats) |
|
398 |
| print_rule (ParsePrintRule pats) = Some (swap pats); |
|
1158 | 399 |
|
400 |
||
401 |
fun check_rule (rule as (lhs, rhs)) = |
|
5692 | 402 |
(case Ast.rule_error rule of |
1158 | 403 |
Some msg => |
404 |
error ("Error in syntax translation rule: " ^ msg ^ "\n" ^ |
|
5692 | 405 |
Ast.str_of_ast lhs ^ " -> " ^ Ast.str_of_ast rhs) |
1158 | 406 |
| None => rule); |
888
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
407 |
|
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
408 |
|
14904
7d8dc92fcb7f
removed separate logtypes field of syntax; removed test_read, simple_str_of_sort, simple_string_of_typ; provide default_mode;
wenzelm
parents:
14798
diff
changeset
|
409 |
fun read_pattern is_logtype syn (root, str) = |
18 | 410 |
let |
237
a7d3e712767a
MAJOR INTERNAL CHANGE: extend and merge operations of syntax tables
wenzelm
parents:
175
diff
changeset
|
411 |
val Syntax {consts, ...} = syn; |
18 | 412 |
|
5692 | 413 |
fun constify (ast as Ast.Constant _) = ast |
414 |
| constify (ast as Ast.Variable x) = |
|
8720 | 415 |
if x mem consts orelse NameSpace.is_qualified x then Ast.Constant x |
3830 | 416 |
else ast |
5692 | 417 |
| constify (Ast.Appl asts) = Ast.Appl (map constify asts); |
18 | 418 |
in |
14904
7d8dc92fcb7f
removed separate logtypes field of syntax; removed test_read, simple_str_of_sort, simple_string_of_typ; provide default_mode;
wenzelm
parents:
14798
diff
changeset
|
419 |
(case read_asts is_logtype syn true root str of |
888
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
420 |
[ast] => constify ast |
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
421 |
| _ => error ("Syntactically ambiguous input: " ^ quote str)) |
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
422 |
end handle ERROR => |
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
423 |
error ("The error(s) above occurred in translation pattern " ^ |
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
424 |
quote str); |
0 | 425 |
|
556 | 426 |
|
1158 | 427 |
fun prep_rules rd_pat raw_rules = |
4618 | 428 |
let val rules = map (map_trrule rd_pat) raw_rules in |
3526 | 429 |
(map check_rule (mapfilter parse_rule rules), |
430 |
map check_rule (mapfilter print_rule rules)) |
|
1158 | 431 |
end |
18 | 432 |
|
433 |
||
434 |
||
3779 | 435 |
(** pretty terms, typs, sorts **) |
18 | 436 |
|
3779 | 437 |
fun pretty_t t_to_ast prt_t (syn as Syntax tabs) curried t = |
0 | 438 |
let |
2700 | 439 |
val {print_trtab, print_ruletab, print_ast_trtab, tokentrtab, prtabs, ...} = tabs; |
5692 | 440 |
val ast = t_to_ast (lookup_tr' print_trtab) t; |
0 | 441 |
in |
5692 | 442 |
prt_t curried prtabs (lookup_tr' print_ast_trtab) |
6167
2f354020efc3
corrected output of symbols for several (probably not all) relevant functions
oheimb
parents:
5702
diff
changeset
|
443 |
(lookup_tokentr tokentrtab (! print_mode)) |
5692 | 444 |
(Ast.normalize_ast (lookup_ruletab print_ruletab) ast) |
0 | 445 |
end; |
446 |
||
5692 | 447 |
val pretty_term = pretty_t Printer.term_to_ast Printer.pretty_term_ast; |
448 |
fun pretty_typ syn = pretty_t Printer.typ_to_ast Printer.pretty_typ_ast syn false; |
|
449 |
fun pretty_sort syn = pretty_t Printer.sort_to_ast Printer.pretty_typ_ast syn false; |
|
0 | 450 |
|
260 | 451 |
val simple_pprint_typ = Pretty.pprint o Pretty.quote o (pretty_typ type_syn); |
0 | 452 |
|
453 |
||
454 |
||
14904
7d8dc92fcb7f
removed separate logtypes field of syntax; removed test_read, simple_str_of_sort, simple_string_of_typ; provide default_mode;
wenzelm
parents:
14798
diff
changeset
|
455 |
(** extend syntax **) |
383
fcea89074e4c
added incremental extension functions: extend_log_types, extend_type_gram,
wenzelm
parents:
330
diff
changeset
|
456 |
|
14904
7d8dc92fcb7f
removed separate logtypes field of syntax; removed test_read, simple_str_of_sort, simple_string_of_typ; provide default_mode;
wenzelm
parents:
14798
diff
changeset
|
457 |
fun ext_syntax' f is_logtype prmode decls = extend_syntax prmode (f is_logtype decls); |
7d8dc92fcb7f
removed separate logtypes field of syntax; removed test_read, simple_str_of_sort, simple_string_of_typ; provide default_mode;
wenzelm
parents:
14798
diff
changeset
|
458 |
fun ext_syntax f = ext_syntax' (K f) (K false) default_mode; |
383
fcea89074e4c
added incremental extension functions: extend_log_types, extend_type_gram,
wenzelm
parents:
330
diff
changeset
|
459 |
|
14904
7d8dc92fcb7f
removed separate logtypes field of syntax; removed test_read, simple_str_of_sort, simple_string_of_typ; provide default_mode;
wenzelm
parents:
14798
diff
changeset
|
460 |
val extend_type_gram = ext_syntax Mixfix.syn_ext_types; |
7d8dc92fcb7f
removed separate logtypes field of syntax; removed test_read, simple_str_of_sort, simple_string_of_typ; provide default_mode;
wenzelm
parents:
14798
diff
changeset
|
461 |
val extend_const_gram = ext_syntax' Mixfix.syn_ext_consts; |
7d8dc92fcb7f
removed separate logtypes field of syntax; removed test_read, simple_str_of_sort, simple_string_of_typ; provide default_mode;
wenzelm
parents:
14798
diff
changeset
|
462 |
val extend_consts = ext_syntax SynExt.syn_ext_const_names; |
7d8dc92fcb7f
removed separate logtypes field of syntax; removed test_read, simple_str_of_sort, simple_string_of_typ; provide default_mode;
wenzelm
parents:
14798
diff
changeset
|
463 |
val extend_trfuns = ext_syntax SynExt.syn_ext_trfuns; |
7d8dc92fcb7f
removed separate logtypes field of syntax; removed test_read, simple_str_of_sort, simple_string_of_typ; provide default_mode;
wenzelm
parents:
14798
diff
changeset
|
464 |
val extend_tokentrfuns = ext_syntax SynExt.syn_ext_tokentrfuns; |
7d8dc92fcb7f
removed separate logtypes field of syntax; removed test_read, simple_str_of_sort, simple_string_of_typ; provide default_mode;
wenzelm
parents:
14798
diff
changeset
|
465 |
val extend_trrules_i = ext_syntax SynExt.syn_ext_rules o prep_rules I; |
383
fcea89074e4c
added incremental extension functions: extend_log_types, extend_type_gram,
wenzelm
parents:
330
diff
changeset
|
466 |
|
14904
7d8dc92fcb7f
removed separate logtypes field of syntax; removed test_read, simple_str_of_sort, simple_string_of_typ; provide default_mode;
wenzelm
parents:
14798
diff
changeset
|
467 |
fun extend_trrules is_logtype syn rules = |
7d8dc92fcb7f
removed separate logtypes field of syntax; removed test_read, simple_str_of_sort, simple_string_of_typ; provide default_mode;
wenzelm
parents:
14798
diff
changeset
|
468 |
ext_syntax' (K SynExt.syn_ext_rules) (K false) default_mode |
7d8dc92fcb7f
removed separate logtypes field of syntax; removed test_read, simple_str_of_sort, simple_string_of_typ; provide default_mode;
wenzelm
parents:
14798
diff
changeset
|
469 |
(prep_rules (read_pattern is_logtype syn) rules); |
5692 | 470 |
|
471 |
||
472 |
||
473 |
(** export parts of internal Syntax structures **) |
|
474 |
||
6322 | 475 |
open TokenTrans Lexicon SynExt Ast Parser TypeExt SynTrans Mixfix Printer; |
2366 | 476 |
|
477 |
||
0 | 478 |
end; |
5692 | 479 |
|
480 |
||
481 |
structure BasicSyntax: BASIC_SYNTAX = Syntax; |
|
482 |
open BasicSyntax; |