author | wenzelm |
Fri, 17 Nov 2006 02:19:51 +0100 | |
changeset 21400 | 4788fc8e66ea |
parent 21371 | 6717630f080b |
child 21440 | 807a39221a58 |
permissions | -rw-r--r-- |
5826 | 1 |
(* Title: Pure/Isar/outer_parse.ML |
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ID: $Id$ |
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Author: Markus Wenzel, TU Muenchen |
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Generic parsers for Isabelle/Isar outer syntax. |
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*) |
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signature OUTER_PARSE = |
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sig |
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type token |
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val group: string -> (token list -> 'a) -> token list -> 'a |
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val !!! : (token list -> 'a) -> token list -> 'a |
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!!!! = cut "Corrupted outer syntax in presentation";
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diff
changeset
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val !!!! : (token list -> 'a) -> token list -> 'a |
12047 | 14 |
val triple1: ('a * 'b) * 'c -> 'a * 'b * 'c |
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val triple2: 'a * ('b * 'c) -> 'a * 'b * 'c |
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val triple_swap: ('a * 'b) * 'c -> ('a * 'c) * 'b |
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val not_eof: token list -> token * token list |
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val position: (token list -> 'a * 'b) -> token list -> ('a * Position.T) * 'b |
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val command: token list -> string * token list |
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val keyword: token list -> string * token list |
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val short_ident: token list -> string * token list |
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val long_ident: token list -> string * token list |
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val sym_ident: token list -> string * token list |
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val minus: token list -> string * token list |
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val term_var: token list -> string * token list |
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val type_ident: token list -> string * token list |
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val type_var: token list -> string * token list |
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val number: token list -> string * token list |
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val string: token list -> string * token list |
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val verbatim: token list -> string * token list |
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val sync: token list -> string * token list |
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val eof: token list -> string * token list |
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val $$$ : string -> token list -> string * token list |
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val reserved : string -> token list -> string * token list |
15703 | 35 |
val semicolon: token list -> string * token list |
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val underscore: token list -> string * token list |
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val maybe: (token list -> 'a * token list) -> token list -> 'a option * token list |
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val tag_name: token list -> string * token list |
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val tags: token list -> string list * token list |
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val opt_unit: token list -> unit * token list |
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val opt_keyword: string -> token list -> bool * token list |
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val begin: token list -> string * token list |
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val opt_begin: token list -> bool * token list |
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val nat: token list -> int * token list |
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val enum: string -> (token list -> 'a * token list) -> token list -> 'a list * token list |
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val enum1: string -> (token list -> 'a * token list) -> token list -> 'a list * token list |
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val list: (token list -> 'a * token list) -> token list -> 'a list * token list |
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val list1: (token list -> 'a * token list) -> token list -> 'a list * token list |
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6013 | 49 |
val and_list: (token list -> 'a * token list) -> token list -> 'a list * token list |
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val and_list1: (token list -> 'a * token list) -> token list -> 'a list * token list |
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val name: token list -> bstring * token list |
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val xname: token list -> xstring * token list |
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val text: token list -> string * token list |
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val path: token list -> Path.T * token list |
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val parname: token list -> string * token list |
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val sort: token list -> string * token list |
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val arity: token list -> (string list * string) * token list |
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val type_args: token list -> string list * token list |
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val typ: token list -> string * token list |
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val mixfix: token list -> mixfix * token list |
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val opt_infix: token list -> mixfix * token list |
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val opt_mixfix: token list -> mixfix * token list |
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val opt_infix': token list -> mixfix * token list |
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val opt_mixfix': token list -> mixfix * token list |
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val where_: token list -> string * token list |
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val const: token list -> (string * string * mixfix) * token list |
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val simple_fixes: token list -> (string * string option) list * token list |
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val fixes: token list -> (string * string option * mixfix) list * token list |
19845 | 69 |
val for_fixes: token list -> (string * string option * mixfix) list * token list |
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val for_simple_fixes: token list -> (string * string option) list * token list |
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val term: token list -> string * token list |
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val prop: token list -> string * token list |
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val propp: token list -> (string * string list) * token list |
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val termp: token list -> (string * string list) * token list |
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val arguments: token list -> Args.T list * token list |
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val attrib: token list -> Attrib.src * token list |
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val attribs: token list -> Attrib.src list * token list |
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val opt_attribs: token list -> Attrib.src list * token list |
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val thm_name: string -> token list -> (bstring * Attrib.src list) * token list |
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val opt_thm_name: string -> token list -> (bstring * Attrib.src list) * token list |
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val spec: token list -> ((bstring * Attrib.src list) * string list) * token list |
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val named_spec: token list -> ((bstring * Attrib.src list) * string list) * token list |
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15703 | 83 |
val spec_name: token list -> ((bstring * string) * Attrib.src list) * token list |
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val spec_opt_name: token list -> ((bstring * string) * Attrib.src list) * token list |
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val xthm: token list -> (thmref * Attrib.src list) * token list |
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val xthms1: token list -> (thmref * Attrib.src list) list * token list |
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val name_facts: token list -> |
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((bstring * Attrib.src list) * (thmref * Attrib.src list) list) list * token list |
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18669 | 89 |
val locale_mixfix: token list -> mixfix * token list |
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val locale_fixes: token list -> (string * string option * mixfix) list * token list |
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val locale_insts: token list -> string option list * token list |
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Preparations for interpretation of locales in locales.
ballarin
parents:
16498
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changeset
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val locale_target: token list -> xstring * token list |
1e792b32abef
Preparations for interpretation of locales in locales.
ballarin
parents:
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changeset
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val opt_locale_target: token list -> xstring option * token list |
12272 | 94 |
val locale_expr: token list -> Locale.expr * token list |
21371 | 95 |
val locale_expr_unless: (token list -> 'a * token list) -> |
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token list -> Locale.expr * token list |
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val locale_keyword: token list -> string * token list |
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val locale_element: token list -> Element.context Locale.element * token list |
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val context_element: token list -> Element.context * token list |
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val statement: token list -> |
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((bstring * Attrib.src list) * (string * string list) list) list * token list |
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val general_statement: token list -> |
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(Element.context Locale.element list * Element.statement) * OuterLex.token list |
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val statement_keyword: token list -> string * token list |
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val specification: token list -> |
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(string * |
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(((bstring * Attrib.src list) * string list) list * (string * string option) list)) list * |
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token list |
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val method: token list -> Method.text * token list |
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end; |
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structure OuterParse: OUTER_PARSE = |
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struct |
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9131 | 115 |
structure T = OuterLex; |
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type token = T.token; |
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5826 | 117 |
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(** error handling **) |
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(* group atomic parsers (no cuts!) *) |
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fun fail_with s = Scan.fail_with |
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(fn [] => s ^ " expected (past end-of-file!)" |
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9155 | 125 |
| (tok :: _) => s ^ " expected,\nbut " ^ T.name_of tok ^ T.pos_of tok ^ " was found"); |
5826 | 126 |
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fun group s scan = scan || fail_with s; |
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(* cut *) |
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!!!! = cut "Corrupted outer syntax in presentation";
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parents:
8350
diff
changeset
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fun cut kind scan = |
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let |
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fun get_pos [] = " (past end-of-file!)" |
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9131 | 135 |
| get_pos (tok :: _) = T.pos_of tok; |
5826 | 136 |
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fun err (toks, NONE) = kind ^ get_pos toks |
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| err (toks, SOME msg) = kind ^ get_pos toks ^ ": " ^ msg; |
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5826 | 139 |
in Scan.!! err scan end; |
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fun !!! scan = cut "Outer syntax error" scan; |
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fun !!!! scan = cut "Corrupted outer syntax in presentation" scan; |
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!!!! = cut "Corrupted outer syntax in presentation";
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parents:
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diff
changeset
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5826 | 144 |
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(** basic parsers **) |
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(* utils *) |
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fun triple1 ((x, y), z) = (x, y, z); |
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fun triple2 (x, (y, z)) = (x, y, z); |
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fun triple_swap ((x, y), z) = ((x, z), y); |
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(* tokens *) |
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val not_eof = Scan.one T.not_eof; |
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fun position scan = (Scan.ahead not_eof >> T.position_of) -- scan >> Library.swap; |
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fun kind k = |
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group (T.str_of_kind k) (Scan.one (T.is_kind k) >> T.val_of); |
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val command = kind T.Command; |
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val keyword = kind T.Keyword; |
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val short_ident = kind T.Ident; |
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val long_ident = kind T.LongIdent; |
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val sym_ident = kind T.SymIdent; |
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val term_var = kind T.Var; |
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val type_ident = kind T.TypeIdent; |
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val type_var = kind T.TypeVar; |
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val number = kind T.Nat; |
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val string = kind T.String; |
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val alt_string = kind T.AltString; |
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val verbatim = kind T.Verbatim; |
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val sync = kind T.Sync; |
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val eof = kind T.EOF; |
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fun $$$ x = |
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group (T.str_of_kind T.Keyword ^ " " ^ quote x) |
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(Scan.one (T.keyword_with (equal x)) >> T.val_of); |
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fun reserved x = |
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group ("Reserved identifier " ^ quote x) |
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(Scan.one (T.ident_with (equal x)) >> T.val_of); |
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val semicolon = $$$ ";"; |
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val minus = sym_ident :-- (fn "-" => Scan.succeed () | _ => Scan.fail) >> #1; |
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parser for underscore (actually a symbolic identifier!);
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changeset
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val underscore = sym_ident :-- (fn "_" => Scan.succeed () | _ => Scan.fail) >> #1; |
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fun maybe scan = underscore >> K NONE || scan >> SOME; |
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parser for underscore (actually a symbolic identifier!);
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parents:
11651
diff
changeset
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14835 | 193 |
val nat = number >> (#1 o Library.read_int o Symbol.explode); |
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val tag_name = group "tag name" (short_ident || string); |
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val tags = Scan.repeat ($$$ "%" |-- !!! tag_name); |
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val opt_unit = Scan.optional ($$$ "(" -- $$$ ")" >> (K ())) (); |
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fun opt_keyword s = Scan.optional ($$$ "(" |-- !!! (($$$ s >> K true) --| $$$ ")")) false; |
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val begin = $$$ "begin"; |
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val opt_begin = Scan.optional (begin >> K true) false; |
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20961 | 203 |
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5826 | 204 |
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(* enumerations *) |
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6003 | 207 |
fun enum1 sep scan = scan -- Scan.repeat ($$$ sep |-- !!! scan) >> op ::; |
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fun enum sep scan = enum1 sep scan || Scan.succeed []; |
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fun list1 scan = enum1 "," scan; |
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fun list scan = enum "," scan; |
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6013 | 213 |
fun and_list1 scan = enum1 "and" scan; |
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fun and_list scan = enum "and" scan; |
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5826 | 216 |
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(* names and text *) |
5826 | 218 |
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8146 | 219 |
val name = group "name declaration" (short_ident || sym_ident || string || number); |
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val xname = group "name reference" (short_ident || long_ident || sym_ident || string || number); |
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val text = group "text" (short_ident || long_ident || sym_ident || string || number || verbatim); |
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14949 | 222 |
val path = group "file name/path specification" name >> Path.unpack; |
6553 | 223 |
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18898 | 224 |
val parname = Scan.optional ($$$ "(" |-- name --| $$$ ")") ""; |
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||
6553 | 226 |
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6372 | 227 |
(* sorts and arities *) |
5826 | 228 |
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val sort = group "sort" xname; |
5826 | 230 |
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21314 | 231 |
val arity = Scan.optional ($$$ "(" |-- !!! (list1 sort --| $$$ ")")) [] -- sort; |
5826 | 232 |
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(* types *) |
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8146 | 236 |
val typ = group "type" |
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(short_ident || long_ident || sym_ident || type_ident || type_var || string || number); |
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5826 | 238 |
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val type_args = |
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type_ident >> single || |
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$$$ "(" |-- !!! (list1 type_ident --| $$$ ")") || |
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Scan.succeed []; |
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(* mixfix annotations *) |
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18669 | 247 |
val mfix = string -- |
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!!! (Scan.optional ($$$ "[" |-- !!! (list nat --| $$$ "]")) [] -- |
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Scan.optional nat Syntax.max_pri) >> (Mixfix o triple2); |
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val infx = $$$ "infix" |-- !!! (nat >> Infix || string -- nat >> InfixName); |
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val infxl = $$$ "infixl" |-- !!! (nat >> Infixl || string -- nat >> InfixlName); |
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val infxr = $$$ "infixr" |-- !!! (nat >> Infixr || string -- nat >> InfixrName); |
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5826 | 254 |
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18669 | 255 |
val binder = $$$ "binder" |-- |
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!!! (string -- ($$$ "[" |-- nat --| $$$ "]" -- nat || nat >> (fn n => (n, n)))) |
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>> (Binder o triple2); |
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fun annotation guard fix = $$$ "(" |-- guard (fix --| $$$ ")"); |
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fun opt_annotation guard fix = Scan.optional (annotation guard fix) NoSyn; |
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val mixfix = annotation !!! (mfix || binder || infxl || infxr || infx); |
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val opt_infix = opt_annotation !!! (infxl || infxr || infx); |
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val opt_mixfix = opt_annotation !!! (mfix || binder || infxl || infxr || infx); |
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val opt_infix' = opt_annotation I (infxl || infxr || infx); |
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val opt_mixfix' = opt_annotation I (mfix || binder || infxl || infxr || infx); |
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5826 | 267 |
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18669 | 269 |
(* fixes *) |
5826 | 270 |
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21400 | 271 |
val where_ = $$$ "where"; |
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18618 | 273 |
val const = name -- ($$$ "::" |-- !!! typ) -- opt_mixfix >> triple1; |
18669 | 274 |
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val params = Scan.repeat1 name -- Scan.option ($$$ "::" |-- !!! typ) |
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>> (fn (xs, T) => map (rpair T) xs); |
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||
19482
9f11af8f7ef9
tuned basic list operators (flat, maps, map_filter);
wenzelm
parents:
19284
diff
changeset
|
278 |
val simple_fixes = and_list1 params >> flat; |
18669 | 279 |
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280 |
val fixes = |
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281 |
and_list1 (name -- Scan.option ($$$ "::" |-- typ) -- mixfix >> (single o triple1) || |
|
19482
9f11af8f7ef9
tuned basic list operators (flat, maps, map_filter);
wenzelm
parents:
19284
diff
changeset
|
282 |
params >> map Syntax.no_syn) >> flat; |
5826 | 283 |
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19845 | 284 |
val for_fixes = Scan.optional ($$$ "for" |-- !!! fixes) []; |
21371 | 285 |
val for_simple_fixes = Scan.optional ($$$ "for" |-- !!! simple_fixes) []; |
19845 | 286 |
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5826 | 287 |
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288 |
(* terms *) |
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289 |
||
7477 | 290 |
val trm = short_ident || long_ident || sym_ident || term_var || number || string; |
5826 | 291 |
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292 |
val term = group "term" trm; |
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293 |
val prop = group "proposition" trm; |
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||
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6949 | 296 |
(* patterns *) |
6935 | 297 |
|
6949 | 298 |
val is_terms = Scan.repeat1 ($$$ "is" |-- term); |
6935 | 299 |
val is_props = Scan.repeat1 ($$$ "is" |-- prop); |
300 |
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19585 | 301 |
val propp = prop -- Scan.optional ($$$ "(" |-- !!! (is_props --| $$$ ")")) []; |
6949 | 302 |
val termp = term -- Scan.optional ($$$ "(" |-- !!! (is_terms --| $$$ ")")) []; |
6935 | 303 |
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304 |
||
5826 | 305 |
(* arguments *) |
306 |
||
9131 | 307 |
fun keyword_symid is_symid = Scan.one (T.keyword_with is_symid) >> T.val_of; |
308 |
val keyword_sid = keyword_symid T.is_sid; |
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5826 | 309 |
|
6983 | 310 |
fun atom_arg is_symid blk = |
5826 | 311 |
group "argument" |
7477 | 312 |
(position (short_ident || long_ident || sym_ident || term_var || |
15703 | 313 |
type_ident || type_var || number) >> Args.mk_ident || |
314 |
position (keyword_symid is_symid) >> Args.mk_keyword || |
|
315 |
position (string || verbatim) >> Args.mk_string || |
|
18037 | 316 |
position alt_string >> Args.mk_alt_string || |
15703 | 317 |
position (if blk then $$$ "," else Scan.fail) >> Args.mk_keyword); |
5826 | 318 |
|
5877 | 319 |
fun paren_args l r scan = position ($$$ l) -- !!! (scan true -- position ($$$ r)) |
15703 | 320 |
>> (fn (x, (ys, z)) => Args.mk_keyword x :: ys @ [Args.mk_keyword z]); |
5826 | 321 |
|
6983 | 322 |
fun args is_symid blk x = Scan.optional (args1 is_symid blk) [] x |
323 |
and args1 is_symid blk x = |
|
5826 | 324 |
((Scan.repeat1 |
6983 | 325 |
(Scan.repeat1 (atom_arg is_symid blk) || |
326 |
paren_args "(" ")" (args is_symid) || |
|
19482
9f11af8f7ef9
tuned basic list operators (flat, maps, map_filter);
wenzelm
parents:
19284
diff
changeset
|
327 |
paren_args "[" "]" (args is_symid))) >> flat) x; |
5826 | 328 |
|
9131 | 329 |
val arguments = args T.is_sid false; |
330 |
||
5826 | 331 |
|
6372 | 332 |
(* theorem specifications *) |
5826 | 333 |
|
9131 | 334 |
val attrib = position ((keyword_sid || xname) -- !!! arguments) >> Args.src; |
5826 | 335 |
val attribs = $$$ "[" |-- !!! (list attrib --| $$$ "]"); |
336 |
val opt_attribs = Scan.optional attribs []; |
|
337 |
||
6398 | 338 |
fun thm_name s = name -- opt_attribs --| $$$ s; |
6511 | 339 |
fun opt_thm_name s = |
17756 | 340 |
Scan.optional ((name -- opt_attribs || (attribs >> pair "")) --| $$$ s) ("", []); |
5917 | 341 |
|
18618 | 342 |
val spec = opt_thm_name ":" -- Scan.repeat1 prop; |
343 |
val named_spec = thm_name ":" -- Scan.repeat1 prop; |
|
344 |
||
6372 | 345 |
val spec_name = thm_name ":" -- prop >> (fn ((x, y), z) => ((x, z), y)); |
346 |
val spec_opt_name = opt_thm_name ":" -- prop >> (fn ((x, y), z) => ((x, z), y)); |
|
347 |
||
15456
956d6acacf89
Specific theorems in a named list of theorems can now be referred to
berghofe
parents:
15206
diff
changeset
|
348 |
val thm_sel = $$$ "(" |-- list1 |
15703 | 349 |
(nat --| minus -- nat >> PureThy.FromTo || |
350 |
nat --| minus >> PureThy.From || |
|
351 |
nat >> PureThy.Single) --| $$$ ")"; |
|
15456
956d6acacf89
Specific theorems in a named list of theorems can now be referred to
berghofe
parents:
15206
diff
changeset
|
352 |
|
18037 | 353 |
val xthm = (alt_string >> Fact || xname -- thm_sel >> NameSelection || xname >> Name) |
354 |
-- opt_attribs; |
|
6372 | 355 |
val xthms1 = Scan.repeat1 xthm; |
5826 | 356 |
|
17358 | 357 |
val name_facts = and_list1 (opt_thm_name "=" -- xthms1); |
358 |
||
5826 | 359 |
|
18136 | 360 |
(* locale and context elements *) |
12047 | 361 |
|
18669 | 362 |
val locale_mixfix = $$$ "(" -- $$$ "structure" -- !!! ($$$ ")") >> K Structure || mixfix; |
363 |
||
364 |
val locale_fixes = |
|
365 |
and_list1 (name -- Scan.option ($$$ "::" |-- typ) -- locale_mixfix >> (single o triple1) || |
|
19482
9f11af8f7ef9
tuned basic list operators (flat, maps, map_filter);
wenzelm
parents:
19284
diff
changeset
|
366 |
params >> map Syntax.no_syn) >> flat; |
18669 | 367 |
|
19811 | 368 |
val locale_insts = |
369 |
Scan.optional ($$$ "[" |-- !!! (Scan.repeat1 (maybe term) --| $$$ "]")) []; |
|
370 |
||
12272 | 371 |
local |
372 |
||
16169
b59202511b8a
Locales: new element constrains, parameter renaming with syntax,
ballarin
parents:
16102
diff
changeset
|
373 |
val loc_keyword = $$$ "fixes" || $$$ "constrains" || $$$ "assumes" || |
b59202511b8a
Locales: new element constrains, parameter renaming with syntax,
ballarin
parents:
16102
diff
changeset
|
374 |
$$$ "defines" || $$$ "notes" || $$$ "includes"; |
12272 | 375 |
|
15127 | 376 |
val loc_element = |
18669 | 377 |
$$$ "fixes" |-- !!! locale_fixes >> Element.Fixes || |
16169
b59202511b8a
Locales: new element constrains, parameter renaming with syntax,
ballarin
parents:
16102
diff
changeset
|
378 |
$$$ "constrains" |-- !!! (and_list1 (name -- ($$$ "::" |-- typ))) |
18136 | 379 |
>> Element.Constrains || |
15127 | 380 |
$$$ "assumes" |-- !!! (and_list1 (opt_thm_name ":" -- Scan.repeat1 propp)) |
18136 | 381 |
>> Element.Assumes || |
19585 | 382 |
$$$ "defines" |-- !!! (and_list1 (opt_thm_name ":" -- propp)) |
18136 | 383 |
>> Element.Defines || |
15127 | 384 |
$$$ "notes" |-- !!! (and_list1 (opt_thm_name "=" -- xthms1)) |
18136 | 385 |
>> Element.Notes; |
15127 | 386 |
|
19284 | 387 |
fun plus1 test scan = |
388 |
scan -- Scan.repeat ($$$ "+" |-- Scan.unless test (!!! scan)) >> op ::; |
|
12272 | 389 |
|
18669 | 390 |
val rename = name -- Scan.option mixfix; |
16102
c5f6726d9bb1
Locale expressions: rename with optional mixfix syntax.
ballarin
parents:
16030
diff
changeset
|
391 |
|
19284 | 392 |
fun expr test = |
21371 | 393 |
let |
19284 | 394 |
fun expr2 x = (xname >> Locale.Locale || $$$ "(" |-- !!! (expr0 --| $$$ ")")) x |
395 |
and expr1 x = (expr2 -- Scan.repeat1 (maybe rename) >> Locale.Rename || expr2) x |
|
396 |
and expr0 x = (plus1 test expr1 >> (fn [e] => e | es => Locale.Merge es)) x; |
|
397 |
in expr0 end; |
|
12272 | 398 |
in |
399 |
||
16736
1e792b32abef
Preparations for interpretation of locales in locales.
ballarin
parents:
16498
diff
changeset
|
400 |
val locale_target = ($$$ "(" -- $$$ "in") |-- !!! (xname --| $$$ ")"); |
1e792b32abef
Preparations for interpretation of locales in locales.
ballarin
parents:
16498
diff
changeset
|
401 |
val opt_locale_target = Scan.option locale_target; |
19284 | 402 |
val locale_expr_unless = expr |
403 |
val locale_expr = expr loc_keyword; |
|
12942 | 404 |
val locale_keyword = loc_keyword; |
12047 | 405 |
|
18136 | 406 |
val locale_element = group "locale element" |
407 |
(loc_element >> Locale.Elem || $$$ "includes" |-- !!! locale_expr >> Locale.Expr); |
|
15127 | 408 |
|
18136 | 409 |
val context_element = group "context element" loc_element; |
12272 | 410 |
|
411 |
end; |
|
12047 | 412 |
|
413 |
||
18898 | 414 |
(* statements *) |
415 |
||
416 |
val statement = and_list1 (opt_thm_name ":" -- Scan.repeat1 propp); |
|
417 |
||
418 |
val obtain_case = |
|
419 |
parname -- (Scan.optional (simple_fixes --| $$$ "where") [] -- |
|
19482
9f11af8f7ef9
tuned basic list operators (flat, maps, map_filter);
wenzelm
parents:
19284
diff
changeset
|
420 |
(and_list1 (Scan.repeat1 prop) >> flat)); |
18898 | 421 |
|
422 |
val general_statement = |
|
423 |
statement >> (fn x => ([], Element.Shows x)) || |
|
424 |
Scan.repeat locale_element -- |
|
19007 | 425 |
($$$ "obtains" |-- !!! (enum1 "|" obtain_case) >> Element.Obtains || |
426 |
$$$ "shows" |-- !!! statement >> Element.Shows); |
|
18898 | 427 |
|
19007 | 428 |
val statement_keyword = $$$ "obtains" || $$$ "shows"; |
18898 | 429 |
|
430 |
||
21371 | 431 |
(* specifications *) |
432 |
||
433 |
val specification = enum1 "|" (parname -- (and_list1 spec -- for_simple_fixes)); |
|
434 |
||
435 |
||
5826 | 436 |
(* proof methods *) |
437 |
||
6983 | 438 |
fun is_symid_meth s = |
9131 | 439 |
s <> "|" andalso s <> "?" andalso s <> "+" andalso T.is_sid s; |
6983 | 440 |
|
5826 | 441 |
fun meth4 x = |
5877 | 442 |
(position (xname >> rpair []) >> (Method.Source o Args.src) || |
6983 | 443 |
$$$ "(" |-- !!! (meth0 --| $$$ ")")) x |
5826 | 444 |
and meth3 x = |
445 |
(meth4 --| $$$ "?" >> Method.Try || |
|
446 |
meth4 --| $$$ "+" >> Method.Repeat1 || |
|
19223 | 447 |
meth4 -- ($$$ "[" |-- Scan.optional nat 1 --| $$$ "]") >> (Method.SelectGoals o swap) || |
5940 | 448 |
meth4) x |
449 |
and meth2 x = |
|
6983 | 450 |
(position (xname -- args1 is_symid_meth false) >> (Method.Source o Args.src) || |
5826 | 451 |
meth3) x |
452 |
and meth1 x = (enum1 "," meth2 >> (fn [m] => m | ms => Method.Then ms)) x |
|
453 |
and meth0 x = (enum1 "|" meth1 >> (fn [m] => m | ms => Method.Orelse ms)) x; |
|
454 |
||
6558 | 455 |
val method = meth3; |
5826 | 456 |
|
457 |
||
458 |
end; |