+++ /dev/null
-(* Copyright (C) 2000, HELM Team.
- *
- * This file is part of HELM, an Hypertextual, Electronic
- * Library of Mathematics, developed at the Computer Science
- * Department, University of Bologna, Italy.
- *
- * HELM is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * HELM is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with HELM; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- * MA 02111-1307, USA.
- *
- * For details, see the HELM World-Wide-Web page,
- * http://cs.unibo.it/helm/.
- *)
-
-(******************************************************************************)
-(* *)
-(* PROJECT HELM *)
-(* *)
-(* Ferruccio Guidi <fguidi@cs.unibo.it> *)
-(* 23/05/2002 *)
-(* *)
-(* *)
-(******************************************************************************)
-
-{
- open MQueryTParser
-
- let debug = false
-
- let out s = if debug then prerr_endline s
-}
-
-let SPC = [' ' '\t' '\n']+
-let ALPHA = ['A'-'Z' 'a'-'z' '_']
-let NUM = ['0'-'9']
-let IDEN = ALPHA (NUM | ALPHA)*
-let QSTR = [^ '"' '\\']+
-
-rule comm_token = parse
- | "*)" { query_token lexbuf }
- | [^ '*']* { comm_token lexbuf }
-and string_token = parse
- | '"' { DQ }
- | '\\' _ { STR (String.sub (Lexing.lexeme lexbuf) 1 1) }
- | QSTR { STR (Lexing.lexeme lexbuf) }
- | eof { EOF }
-and query_token = parse
- | "(*" { comm_token lexbuf }
- | SPC { query_token lexbuf }
- | '"' { let str = qstr string_token lexbuf in
- out ("STR " ^ str); STR str }
- | '(' { out "LP"; LP }
- | ')' { out "RP"; RP }
- | '{' { out "LC"; LC }
- | '}' { out "RC"; RC }
- | '@' { out "AT"; AT }
- | '%' { out "PC"; PC }
- | '$' { out "DL"; DL }
- | '.' { out "FS"; FS }
- | ',' { out "CM"; CM }
- | '/' { out "SL"; SL }
- | "<-" { out "GETS" ; GETS }
- | "and" { out "AND" ; AND }
- | "attr" { out "ATTR" ; ATTR }
- | "be" { out "BE" ; BE }
- | "diff" { out "DIFF" ; DIFF }
- | "eq" { out "EQ" ; EQ }
- | "ex" { out "EX" ; EX }
- | "false" { out "FALSE" ; FALSE }
- | "fun" { out "FUN" ; FUN }
- | "in" { out "IN" ; IN }
- | "intersect" { out "INTER" ; INTER }
- | "inverse" { out "INV" ; INV }
- | "let" { out "LET" ; LET }
- | "meet" { out "MEET" ; MEET }
- | "not" { out "NOT" ; NOT }
- | "or" { out "OR" ; OR }
- | "pattern" { out "PAT" ; PAT }
- | "property" { out "PROP" ; PROP }
- | "ref" { out "REF" ; REF }
- | "refof" { out "REFOF" ; REFOF }
- | "relation" { out "REL" ; REL }
- | "select" { out "SELECT"; SELECT }
- | "sub" { out "SUB" ; SUB }
- | "super" { out "SUPER" ; SUPER }
- | "true" { out "TRUE" ; TRUE }
- | "union" { out "UNION" ; UNION }
- | "where" { out "WHERE" ; WHERE }
- | IDEN { let id = Lexing.lexeme lexbuf in
- out ("ID " ^ id); ID id }
- | eof { out "EOF" ; EOF }
-and result_token = parse
- | SPC { result_token lexbuf }
- | '"' { STR (qstr string_token lexbuf) }
- | '{' { LC }
- | '}' { RC }
- | ',' { CM }
- | ';' { SC }
- | '=' { IS }
- | "attr" { ATTR }
- | eof { EOF }