author | wenzelm |
Tue, 14 Mar 2006 16:29:39 +0100 | |
changeset 19262 | b98b48496819 |
parent 19046 | bc5c6c9b114e |
child 19300 | 7689f81f8996 |
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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||
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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 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: string -> (string * ('a * stamp)) list -> |
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('a * stamp) Symtab.table -> ('a * stamp) Symtab.table |
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val merge_trtabs: string -> ('a * stamp) Symtab.table -> ('a * stamp) Symtab.table -> |
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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: (string * ('a * stamp)) list -> |
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('a * stamp) list Symtab.table -> ('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 eq_syntax: syntax * syntax -> bool |
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val is_keyword: syntax -> string -> bool |
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val default_mode: 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) * stamp)) list * |
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(string * ((term list -> term) * stamp)) list * |
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(string * ((bool -> typ -> term list -> term) * stamp)) list * |
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(string * ((ast list -> ast) * stamp)) list -> syntax -> syntax |
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val extend_advanced_trfuns: |
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(string * ((Context.generic -> ast list -> ast) * stamp)) list * |
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(string * ((Context.generic -> term list -> term) * stamp)) list * |
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(string * ((Context.generic -> bool -> typ -> term list -> term) * stamp)) list * |
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(string * ((Context.generic -> ast list -> ast) * stamp)) list -> syntax -> syntax |
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val extend_tokentrfuns: (string * string * (string -> string * real)) list -> syntax -> syntax |
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val remove_const_gram: (string -> bool) -> |
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string * bool -> (string * typ * mixfix) list -> syntax -> syntax |
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val extend_trrules: Context.generic -> (string -> bool) -> syntax -> |
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(string * string) trrule list -> syntax -> syntax |
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val remove_trrules: Context.generic -> (string -> bool) -> syntax -> |
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(string * string) trrule list -> syntax -> syntax |
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val extend_trrules_i: ast trrule list -> syntax -> syntax |
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val remove_trrules_i: ast trrule list -> syntax -> syntax |
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val map_trrule: ('a -> 'b) -> 'a trrule -> 'b trrule |
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val merge_syntaxes: syntax -> syntax -> syntax |
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val basic_syn: syntax |
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val basic_nonterms: string list |
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val appl_syntax: (string * string * mixfix) list |
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val applC_syntax: (string * string * mixfix) list |
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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: Context.generic -> (string -> bool) -> syntax -> typ -> string -> term list |
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val read_typ: Context.generic -> syntax -> ((indexname * sort) list -> indexname -> sort) -> |
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(sort -> sort) -> string -> typ |
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val read_sort: Context.generic -> syntax -> string -> sort |
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val pretty_term: Context.generic -> syntax -> bool -> term -> Pretty.T |
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val pretty_typ: Context.generic -> syntax -> typ -> Pretty.T |
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val pretty_sort: Context.generic -> syntax -> sort -> Pretty.T |
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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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(** tables of translation functions **) |
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(* parse (ast) translations *) |
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fun lookup_tr tab c = Option.map 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 name trfuns tab = Symtab.extend (tab, trfuns) |
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handle Symtab.DUPS cs => err_dup_trfuns name cs; |
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fun remove_trtab trfuns = fold (Symtab.remove SynExt.eq_trfun) trfuns; |
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fun merge_trtabs name tab1 tab2 = Symtab.merge SynExt.eq_trfun (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_list tab c); |
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fun extend_tr'tab trfuns = fold_rev Symtab.update_list trfuns; |
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fun remove_tr'tab trfuns = fold (Symtab.remove_list SynExt.eq_trfun) trfuns; |
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fun merge_tr'tabs tab1 tab2 = Symtab.merge_list SynExt.eq_trfun (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 = distinct (eq_fst (op =)) |
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(List.concat (map (these o AList.lookup (op =) tabs) (modes @ [""]))) |
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in fn c => Option.map fst (AList.lookup (op =) 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 = these (AList.lookup (op =) tabs1 mode); |
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val trs2 = these (AList.lookup (op =) tabs2 mode); |
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val trs = distinct eq_tr (trs1 @ trs2); |
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in |
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(case duplicates (eq_fst (op =)) 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 map merge (distinct (op =) (map fst (tabs1 @ tabs2))) end; |
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fun extend_tokentrtab tokentrs tabs = |
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let |
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fun ins_tokentr (m, c, f) = |
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AList.default (op =) (m, []) |
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#> AList.map_entry (op =) m (cons ("_" ^ c, (f, stamp ()))); |
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in merge_tokentrtabs tabs (fold ins_tokentr tokentrs []) 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 = List.concat (map snd (Symtab.dest tab)); |
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(* empty, extend, merge ruletabs *) |
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val extend_ruletab = fold_rev (fn r => Symtab.update_list (Ast.head_of_rule r, r)); |
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val remove_ruletab = fold (fn r => Symtab.remove_list (op =) (Ast.head_of_rule r, r)); |
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fun merge_ruletabs tab1 tab2 = Symtab.merge_list (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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input: SynExt.xprod list, |
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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: ((Context.generic -> Ast.ast list -> Ast.ast) * stamp) Symtab.table, |
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parse_ruletab: ruletab, |
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parse_trtab: ((Context.generic -> term list -> term) * stamp) Symtab.table, |
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print_trtab: ((Context.generic -> bool -> typ -> term list -> term) * stamp) list Symtab.table, |
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print_ruletab: ruletab, |
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print_ast_trtab: ((Context.generic -> 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} * stamp; |
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fun eq_syntax (Syntax (_, s1), Syntax (_, s2)) = s1 = s2; |
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fun is_keyword (Syntax ({lexicon, ...}, _)) = Scan.is_literal lexicon o Symbol.explode; |
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val default_mode = ("", true); |
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(* empty_syntax *) |
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val empty_syntax = Syntax |
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({input = [], |
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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}, stamp ()); |
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(* extend_syntax *) |
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fun extend_syntax (mode, inout) syn_ext (Syntax (tabs, _)) = |
167 | 210 |
let |
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val {input, 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, |
2913 | 215 |
parse_ast_translation, parse_rules, parse_translation, print_translation, print_rules, |
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print_ast_translation, token_translation} = syn_ext; |
167 | 217 |
in |
17079 | 218 |
Syntax |
219 |
({input = if inout then xprods @ input else input, |
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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 = Library.merge (op =) (consts1, consts2), |
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prmodes = insert (op =) mode (Library.merge (op =) (prmodes1, prmodes2)), |
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167 | 224 |
parse_ast_trtab = |
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extend_trtab "parse ast translation" parse_ast_translation parse_ast_trtab, |
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parse_ruletab = extend_ruletab parse_rules parse_ruletab, |
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parse_trtab = extend_trtab "parse translation" parse_translation parse_trtab, |
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print_trtab = extend_tr'tab print_translation print_trtab, |
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print_ruletab = extend_ruletab print_rules print_ruletab, |
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print_ast_trtab = extend_tr'tab print_ast_translation print_ast_trtab, |
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tokentrtab = extend_tokentrtab token_translation tokentrtab, |
17079 | 232 |
prtabs = Printer.extend_prtabs mode xprods prtabs}, stamp ()) |
18 | 233 |
end; |
234 |
||
15755
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
235 |
|
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
236 |
(* remove_syntax *) |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
237 |
|
17079 | 238 |
fun remove_syntax (mode, inout) syn_ext (Syntax (tabs, _)) = |
15755
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
239 |
let |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
240 |
val SynExt.SynExt {xprods, consts = _, prmodes = _, |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
241 |
parse_ast_translation, parse_rules, parse_translation, print_translation, print_rules, |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
242 |
print_ast_translation, token_translation = _} = syn_ext; |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
243 |
val {input, lexicon, gram, consts, prmodes, |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
244 |
parse_ast_trtab, parse_ruletab, parse_trtab, print_trtab, print_ruletab, |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
245 |
print_ast_trtab, tokentrtab, prtabs} = tabs; |
15759 | 246 |
val input' = if inout then fold (remove (op =)) xprods input else input; |
15755
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
247 |
in |
17079 | 248 |
Syntax |
249 |
({input = input', |
|
15755
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
250 |
lexicon = if inout then Scan.make_lexicon (SynExt.delims_of input') else lexicon, |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
251 |
gram = if inout then Parser.make_gram input' else gram, |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
252 |
consts = consts, |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
253 |
prmodes = prmodes, |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
254 |
parse_ast_trtab = remove_trtab parse_ast_translation parse_ast_trtab, |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
255 |
parse_ruletab = remove_ruletab parse_rules parse_ruletab, |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
256 |
parse_trtab = remove_trtab parse_translation parse_trtab, |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
257 |
print_trtab = remove_tr'tab print_translation print_trtab, |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
258 |
print_ruletab = remove_ruletab print_rules print_ruletab, |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
259 |
print_ast_trtab = remove_tr'tab print_ast_translation print_ast_trtab, |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
260 |
tokentrtab = tokentrtab, |
17079 | 261 |
prtabs = Printer.remove_prtabs mode xprods prtabs}, stamp ()) |
15755
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
262 |
end; |
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
|
263 |
|
18 | 264 |
|
237
a7d3e712767a
MAJOR INTERNAL CHANGE: extend and merge operations of syntax tables
wenzelm
parents:
175
diff
changeset
|
265 |
(* merge_syntaxes *) |
0 | 266 |
|
17079 | 267 |
fun merge_syntaxes (Syntax (tabs1, _)) (Syntax (tabs2, _)) = |
0 | 268 |
let |
15755
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
269 |
val {input = input1, lexicon = lexicon1, gram = gram1, consts = consts1, |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
270 |
prmodes = prmodes1, parse_ast_trtab = parse_ast_trtab1, |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
271 |
parse_ruletab = parse_ruletab1, parse_trtab = parse_trtab1, |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
272 |
print_trtab = print_trtab1, print_ruletab = print_ruletab1, |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
273 |
print_ast_trtab = print_ast_trtab1, tokentrtab = tokentrtab1, prtabs = prtabs1} = tabs1; |
237
a7d3e712767a
MAJOR INTERNAL CHANGE: extend and merge operations of syntax tables
wenzelm
parents:
175
diff
changeset
|
274 |
|
15755
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
275 |
val {input = input2, lexicon = lexicon2, gram = gram2, consts = consts2, |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
276 |
prmodes = prmodes2, parse_ast_trtab = parse_ast_trtab2, |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
277 |
parse_ruletab = parse_ruletab2, parse_trtab = parse_trtab2, |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
278 |
print_trtab = print_trtab2, print_ruletab = print_ruletab2, |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
279 |
print_ast_trtab = print_ast_trtab2, tokentrtab = tokentrtab2, prtabs = prtabs2} = tabs2; |
0 | 280 |
in |
17079 | 281 |
Syntax |
18921 | 282 |
({input = Library.merge (op =) (input1, input2), |
4703 | 283 |
lexicon = Scan.merge_lexicons lexicon1 lexicon2, |
5692 | 284 |
gram = Parser.merge_grams gram1 gram2, |
18428 | 285 |
consts = sort_distinct string_ord (consts1 @ consts2), |
18921 | 286 |
prmodes = Library.merge (op =) (prmodes1, prmodes2), |
237
a7d3e712767a
MAJOR INTERNAL CHANGE: extend and merge operations of syntax tables
wenzelm
parents:
175
diff
changeset
|
287 |
parse_ast_trtab = |
15755
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
288 |
merge_trtabs "parse ast translation" parse_ast_trtab1 parse_ast_trtab2, |
237
a7d3e712767a
MAJOR INTERNAL CHANGE: extend and merge operations of syntax tables
wenzelm
parents:
175
diff
changeset
|
289 |
parse_ruletab = merge_ruletabs parse_ruletab1 parse_ruletab2, |
15755
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
290 |
parse_trtab = merge_trtabs "parse translation" parse_trtab1 parse_trtab2, |
5692 | 291 |
print_trtab = merge_tr'tabs print_trtab1 print_trtab2, |
237
a7d3e712767a
MAJOR INTERNAL CHANGE: extend and merge operations of syntax tables
wenzelm
parents:
175
diff
changeset
|
292 |
print_ruletab = merge_ruletabs print_ruletab1 print_ruletab2, |
5692 | 293 |
print_ast_trtab = merge_tr'tabs print_ast_trtab1 print_ast_trtab2, |
2700 | 294 |
tokentrtab = merge_tokentrtabs tokentrtab1 tokentrtab2, |
17079 | 295 |
prtabs = Printer.merge_prtabs prtabs1 prtabs2}, stamp ()) |
0 | 296 |
end; |
297 |
||
298 |
||
18720 | 299 |
(* basic syntax *) |
260 | 300 |
|
18720 | 301 |
val basic_syn = |
17168 | 302 |
empty_syntax |
303 |
|> extend_syntax default_mode TypeExt.type_ext |
|
304 |
|> extend_syntax default_mode SynExt.pure_ext; |
|
260 | 305 |
|
18720 | 306 |
val basic_nonterms = |
307 |
(Lexicon.terminals @ [SynExt.logic, "type", "types", "sort", "classes", |
|
308 |
SynExt.args, SynExt.cargs, "pttrn", "pttrns", "idt", "idts", "aprop", |
|
309 |
"asms", SynExt.any, SynExt.sprop, "num_const", "index", "struct"]); |
|
310 |
||
311 |
val appl_syntax = |
|
312 |
[("_appl", "[('b => 'a), args] => logic", Mixfix.Mixfix ("(1_/(1'(_')))", [1000, 0], 1000)), |
|
313 |
("_appl", "[('b => 'a), args] => aprop", Mixfix.Mixfix ("(1_/(1'(_')))", [1000, 0], 1000))]; |
|
314 |
||
315 |
val applC_syntax = |
|
316 |
[("", "'a => cargs", Mixfix.Delimfix "_"), |
|
317 |
("_cargs", "['a, cargs] => cargs", Mixfix.Mixfix ("_/ _", [1000, 1000], 1000)), |
|
318 |
("_applC", "[('b => 'a), cargs] => logic", Mixfix.Mixfix ("(1_/ _)", [1000, 1000], 999)), |
|
319 |
("_applC", "[('b => 'a), cargs] => aprop", Mixfix.Mixfix ("(1_/ _)", [1000, 1000], 999))]; |
|
320 |
||
0 | 321 |
|
4887 | 322 |
|
15759 | 323 |
(** print syntax **) |
324 |
||
325 |
local |
|
0 | 326 |
|
260 | 327 |
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
|
328 |
Pretty.strs (name :: map Library.quote (sort_strings strs)); |
0 | 329 |
|
17079 | 330 |
fun pretty_gram (Syntax (tabs, _)) = |
0 | 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, prmodes, gram, prtabs, ...} = tabs; |
2913 | 333 |
val prmodes' = sort_strings (filter_out (equal "") prmodes); |
0 | 334 |
in |
8720 | 335 |
[pretty_strs_qs "lexicon:" (Scan.dest_lexicon lexicon), |
336 |
Pretty.big_list "prods:" (Parser.pretty_gram gram), |
|
337 |
pretty_strs_qs "print modes:" prmodes'] |
|
0 | 338 |
end; |
339 |
||
17079 | 340 |
fun pretty_trans (Syntax (tabs, _)) = |
0 | 341 |
let |
260 | 342 |
fun pretty_trtab name tab = |
5692 | 343 |
pretty_strs_qs name (Symtab.keys tab); |
0 | 344 |
|
260 | 345 |
fun pretty_ruletab name tab = |
5692 | 346 |
Pretty.big_list name (map Ast.pretty_rule (dest_ruletab tab)); |
0 | 347 |
|
14598
7009f59711e3
Replaced quote by Library.quote, since quote now refers to Symbol.quote
berghofe
parents:
14177
diff
changeset
|
348 |
fun pretty_tokentr (mode, trs) = Pretty.strs (Library.quote mode ^ ":" :: map fst trs); |
4703 | 349 |
|
237
a7d3e712767a
MAJOR INTERNAL CHANGE: extend and merge operations of syntax tables
wenzelm
parents:
175
diff
changeset
|
350 |
val {consts, parse_ast_trtab, parse_ruletab, parse_trtab, print_trtab, |
4703 | 351 |
print_ruletab, print_ast_trtab, tokentrtab, ...} = tabs; |
0 | 352 |
in |
8720 | 353 |
[pretty_strs_qs "consts:" consts, |
354 |
pretty_trtab "parse_ast_translation:" parse_ast_trtab, |
|
355 |
pretty_ruletab "parse_rules:" parse_ruletab, |
|
356 |
pretty_trtab "parse_translation:" parse_trtab, |
|
357 |
pretty_trtab "print_translation:" print_trtab, |
|
358 |
pretty_ruletab "print_rules:" print_ruletab, |
|
359 |
pretty_trtab "print_ast_translation:" print_ast_trtab, |
|
360 |
Pretty.big_list "token_translation:" (map pretty_tokentr tokentrtab)] |
|
0 | 361 |
end; |
362 |
||
15759 | 363 |
in |
0 | 364 |
|
15759 | 365 |
fun print_gram syn = Pretty.writeln (Pretty.chunks (pretty_gram syn)); |
366 |
fun print_trans syn = Pretty.writeln (Pretty.chunks (pretty_trans syn)); |
|
367 |
fun print_syntax syn = Pretty.writeln (Pretty.chunks (pretty_gram syn @ pretty_trans syn)); |
|
0 | 368 |
|
15759 | 369 |
end; |
0 | 370 |
|
371 |
||
372 |
||
237
a7d3e712767a
MAJOR INTERNAL CHANGE: extend and merge operations of syntax tables
wenzelm
parents:
175
diff
changeset
|
373 |
(** read **) |
18 | 374 |
|
260 | 375 |
(* read_ast *) |
376 |
||
882
b118d1ea0dfd
moved ambiguity_level from sign.ML to Syntax/syntax.ML
clasohm
parents:
865
diff
changeset
|
377 |
val ambiguity_level = ref 1; |
15755
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
378 |
val ambiguity_is_error = ref false |
882
b118d1ea0dfd
moved ambiguity_level from sign.ML to Syntax/syntax.ML
clasohm
parents:
865
diff
changeset
|
379 |
|
18857 | 380 |
fun read_asts context is_logtype (Syntax (tabs, _)) xids root str = |
260 | 381 |
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
|
382 |
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
|
383 |
val root' = if root <> "prop" andalso is_logtype root then SynExt.logic else root; |
4703 | 384 |
val chars = Symbol.explode str; |
5692 | 385 |
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
|
386 |
|
12292 | 387 |
fun show_pt pt = |
18857 | 388 |
Pretty.string_of (Ast.pretty_ast (hd (SynTrans.pts_to_asts context (K NONE) [pt]))); |
260 | 389 |
in |
16613
76e57e08dcb5
proper treatment of advanced trfuns: pass thy argument;
wenzelm
parents:
15833
diff
changeset
|
390 |
conditional (length pts > ! ambiguity_level) (fn () => |
76e57e08dcb5
proper treatment of advanced trfuns: pass thy argument;
wenzelm
parents:
15833
diff
changeset
|
391 |
if ! ambiguity_is_error then error ("Ambiguous input " ^ quote str) |
16661
507438b27f66
use tracing for potentially voluminous ambiguity output;
wenzelm
parents:
16613
diff
changeset
|
392 |
else (warning ("Ambiguous input " ^ quote str ^ "\n" ^ |
16716 | 393 |
"produces " ^ string_of_int (length pts) ^ " parse trees."); |
16669 | 394 |
List.app (warning o show_pt) pts)); |
18857 | 395 |
SynTrans.pts_to_asts context (lookup_tr parse_ast_trtab) pts |
260 | 396 |
end; |
397 |
||
398 |
||
237
a7d3e712767a
MAJOR INTERNAL CHANGE: extend and merge operations of syntax tables
wenzelm
parents:
175
diff
changeset
|
399 |
(* read *) |
0 | 400 |
|
18857 | 401 |
fun read context is_logtype (syn as Syntax (tabs, _)) ty str = |
0 | 402 |
let |
237
a7d3e712767a
MAJOR INTERNAL CHANGE: extend and merge operations of syntax tables
wenzelm
parents:
175
diff
changeset
|
403 |
val {parse_ruletab, parse_trtab, ...} = tabs; |
18857 | 404 |
val asts = read_asts context is_logtype syn false (SynExt.typ_to_nonterm ty) str; |
0 | 405 |
in |
18857 | 406 |
SynTrans.asts_to_terms context (lookup_tr parse_trtab) |
18931 | 407 |
(map (Ast.normalize_ast (Symtab.lookup_list parse_ruletab)) asts) |
0 | 408 |
end; |
409 |
||
410 |
||
237
a7d3e712767a
MAJOR INTERNAL CHANGE: extend and merge operations of syntax tables
wenzelm
parents:
175
diff
changeset
|
411 |
(* read types *) |
0 | 412 |
|
18857 | 413 |
fun read_typ context syn get_sort map_sort str = |
414 |
(case read context (K false) syn SynExt.typeT str of |
|
12316 | 415 |
[t] => TypeExt.typ_of_term (get_sort (TypeExt.raw_term_sorts t)) map_sort t |
8894 | 416 |
| _ => error "read_typ: ambiguous syntax"); |
144 | 417 |
|
418 |
||
8894 | 419 |
(* read sorts *) |
420 |
||
18857 | 421 |
fun read_sort context syn str = |
422 |
(case read context (K false) syn TypeExt.sortT str of |
|
8894 | 423 |
[t] => TypeExt.sort_of_term t |
424 |
| _ => error "read_sort: ambiguous syntax"); |
|
425 |
||
426 |
||
18 | 427 |
|
1158 | 428 |
(** prepare translation rules **) |
429 |
||
430 |
datatype 'a trrule = |
|
3526 | 431 |
ParseRule of 'a * 'a | |
432 |
PrintRule of 'a * 'a | |
|
433 |
ParsePrintRule of 'a * 'a; |
|
888
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
434 |
|
4618 | 435 |
fun map_trrule f (ParseRule (x, y)) = ParseRule (f x, f y) |
436 |
| map_trrule f (PrintRule (x, y)) = PrintRule (f x, f y) |
|
437 |
| map_trrule f (ParsePrintRule (x, y)) = ParsePrintRule (f x, f y); |
|
1158 | 438 |
|
15531 | 439 |
fun parse_rule (ParseRule pats) = SOME pats |
440 |
| parse_rule (PrintRule _) = NONE |
|
441 |
| parse_rule (ParsePrintRule pats) = SOME pats; |
|
1158 | 442 |
|
15531 | 443 |
fun print_rule (ParseRule _) = NONE |
444 |
| print_rule (PrintRule pats) = SOME (swap pats) |
|
445 |
| print_rule (ParsePrintRule pats) = SOME (swap pats); |
|
1158 | 446 |
|
447 |
||
19262 | 448 |
local |
449 |
||
1158 | 450 |
fun check_rule (rule as (lhs, rhs)) = |
5692 | 451 |
(case Ast.rule_error rule of |
15531 | 452 |
SOME msg => |
1158 | 453 |
error ("Error in syntax translation rule: " ^ msg ^ "\n" ^ |
5692 | 454 |
Ast.str_of_ast lhs ^ " -> " ^ Ast.str_of_ast rhs) |
15531 | 455 |
| NONE => rule); |
888
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
456 |
|
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
457 |
|
18857 | 458 |
fun read_pattern context is_logtype syn (root, str) = |
18 | 459 |
let |
17079 | 460 |
val Syntax ({consts, ...}, _) = syn; |
18 | 461 |
|
5692 | 462 |
fun constify (ast as Ast.Constant _) = ast |
463 |
| constify (ast as Ast.Variable x) = |
|
8720 | 464 |
if x mem consts orelse NameSpace.is_qualified x then Ast.Constant x |
3830 | 465 |
else ast |
5692 | 466 |
| constify (Ast.Appl asts) = Ast.Appl (map constify asts); |
18 | 467 |
in |
18857 | 468 |
(case read_asts context is_logtype syn true root str of |
888
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
469 |
[ast] => constify ast |
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
470 |
| _ => error ("Syntactically ambiguous input: " ^ quote str)) |
18678 | 471 |
end handle ERROR msg => |
472 |
cat_error msg ("The error(s) above occurred in translation pattern " ^ |
|
888
3a1de9454d13
improved read_xrules: patterns no longer read twice;
wenzelm
parents:
882
diff
changeset
|
473 |
quote str); |
0 | 474 |
|
1158 | 475 |
fun prep_rules rd_pat raw_rules = |
4618 | 476 |
let val rules = map (map_trrule rd_pat) raw_rules in |
15570 | 477 |
(map check_rule (List.mapPartial parse_rule rules), |
478 |
map check_rule (List.mapPartial print_rule rules)) |
|
1158 | 479 |
end |
18 | 480 |
|
19262 | 481 |
in |
482 |
||
483 |
val cert_rules = prep_rules I; |
|
484 |
||
485 |
fun read_rules context is_logtype syn = |
|
486 |
prep_rules (read_pattern context is_logtype syn); |
|
487 |
||
488 |
end; |
|
489 |
||
18 | 490 |
|
491 |
||
3779 | 492 |
(** pretty terms, typs, sorts **) |
18 | 493 |
|
18857 | 494 |
fun pretty_t t_to_ast prt_t context (syn as Syntax (tabs, _)) curried t = |
0 | 495 |
let |
2700 | 496 |
val {print_trtab, print_ruletab, print_ast_trtab, tokentrtab, prtabs, ...} = tabs; |
18857 | 497 |
val ast = t_to_ast context (lookup_tr' print_trtab) t; |
0 | 498 |
in |
18857 | 499 |
prt_t context 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
|
500 |
(lookup_tokentr tokentrtab (! print_mode)) |
18931 | 501 |
(Ast.normalize_ast (Symtab.lookup_list print_ruletab) ast) |
0 | 502 |
end; |
503 |
||
5692 | 504 |
val pretty_term = pretty_t Printer.term_to_ast Printer.pretty_term_ast; |
18857 | 505 |
fun pretty_typ context syn = pretty_t Printer.typ_to_ast Printer.pretty_typ_ast context syn false; |
506 |
fun pretty_sort context syn = pretty_t Printer.sort_to_ast Printer.pretty_typ_ast context syn false; |
|
0 | 507 |
|
508 |
||
509 |
||
19262 | 510 |
(** modify syntax **) |
383
fcea89074e4c
added incremental extension functions: extend_log_types, extend_type_gram,
wenzelm
parents:
330
diff
changeset
|
511 |
|
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
|
512 |
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
|
513 |
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
|
514 |
|
16613
76e57e08dcb5
proper treatment of advanced trfuns: pass thy argument;
wenzelm
parents:
15833
diff
changeset
|
515 |
val extend_type_gram = ext_syntax Mixfix.syn_ext_types; |
76e57e08dcb5
proper treatment of advanced trfuns: pass thy argument;
wenzelm
parents:
15833
diff
changeset
|
516 |
val extend_const_gram = ext_syntax' Mixfix.syn_ext_consts; |
76e57e08dcb5
proper treatment of advanced trfuns: pass thy argument;
wenzelm
parents:
15833
diff
changeset
|
517 |
val extend_consts = ext_syntax SynExt.syn_ext_const_names; |
76e57e08dcb5
proper treatment of advanced trfuns: pass thy argument;
wenzelm
parents:
15833
diff
changeset
|
518 |
val extend_trfuns = ext_syntax SynExt.syn_ext_trfuns; |
76e57e08dcb5
proper treatment of advanced trfuns: pass thy argument;
wenzelm
parents:
15833
diff
changeset
|
519 |
val extend_advanced_trfuns = ext_syntax SynExt.syn_ext_advanced_trfuns; |
76e57e08dcb5
proper treatment of advanced trfuns: pass thy argument;
wenzelm
parents:
15833
diff
changeset
|
520 |
val extend_tokentrfuns = ext_syntax SynExt.syn_ext_tokentrfuns; |
5692 | 521 |
|
15755
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
522 |
fun remove_const_gram is_logtype prmode decls = |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
523 |
remove_syntax prmode (Mixfix.syn_ext_consts is_logtype decls); |
50ac97ebe7d8
expect translations functions to be stamped already;
wenzelm
parents:
15574
diff
changeset
|
524 |
|
19262 | 525 |
fun extend_trrules context is_logtype syn = |
526 |
ext_syntax SynExt.syn_ext_rules o read_rules context is_logtype syn; |
|
527 |
||
528 |
fun remove_trrules context is_logtype syn = |
|
529 |
remove_syntax default_mode o SynExt.syn_ext_rules o read_rules context is_logtype syn; |
|
530 |
||
531 |
val extend_trrules_i = ext_syntax SynExt.syn_ext_rules o cert_rules; |
|
532 |
val remove_trrules_i = remove_syntax default_mode o SynExt.syn_ext_rules o cert_rules; |
|
5692 | 533 |
|
534 |
||
15833
78109c7012ed
removed token_trans.ML (some content moved to syn_ext.ML);
wenzelm
parents:
15759
diff
changeset
|
535 |
(*export parts of internal Syntax structures*) |
78109c7012ed
removed token_trans.ML (some content moved to syn_ext.ML);
wenzelm
parents:
15759
diff
changeset
|
536 |
open Lexicon SynExt Ast Parser TypeExt SynTrans Mixfix Printer; |
2366 | 537 |
|
0 | 538 |
end; |
5692 | 539 |
|
540 |
structure BasicSyntax: BASIC_SYNTAX = Syntax; |
|
541 |
open BasicSyntax; |