+(* 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/.
+ *)
+
{
open CicTextualParser;;
module L = Lexing;;
let indtyuri_of_uri uri =
let index_sharp = String.index uri '#' in
let index_num = index_sharp + 3 in
- (UriManager.uri_of_string (String.sub uri 0 index_sharp),
- int_of_string (String.sub uri index_num (String.length uri - index_num)) - 1
- )
+ try
+ (UriManager.uri_of_string (String.sub uri 0 index_sharp),
+ int_of_string(String.sub uri index_num (String.length uri - index_num)) - 1
+ )
+ with
+ Failure msg ->
+ raise (CicTextualParser0.LexerFailure "Not an inductive URI")
;;
let indconuri_of_uri uri =
let index_sharp = String.index uri '#' in
let index_div = String.rindex uri '/' in
let index_con = index_div + 1 in
- (UriManager.uri_of_string (String.sub uri 0 index_sharp),
- int_of_string
- (String.sub uri (index_sharp + 3) (index_div - index_sharp - 3)) - 1,
- int_of_string
- (String.sub uri index_con (String.length uri - index_con))
- )
+ try
+ (UriManager.uri_of_string (String.sub uri 0 index_sharp),
+ int_of_string
+ (String.sub uri (index_sharp + 3) (index_div - index_sharp - 3)) - 1,
+ int_of_string
+ (String.sub uri index_con (String.length uri - index_con))
+ )
+ with
+ Failure msg ->
+ raise (CicTextualParser0.LexerFailure "Not a constructor URI")
;;
}
let num = ['1'-'9']['0'-'9']* | '0'
-let ident = ['A'-'Z' 'a'-'z' '_' '-']*
+let alfa = ['A'-'Z' 'a'-'z' '_' ''' '-']
+let ident = alfa (alfa | num)*
let baseuri = '/'(ident '/')* ident '.'
-let conuri = baseuri ("con" | "var")
+let conuri = baseuri "con"
+let varuri = baseuri "var"
let indtyuri = baseuri "ind#1/" num
let indconuri = baseuri "ind#1/" num "/" num
let blanks = [' ' '\t' '\n']
rule token =
parse
blanks { token lexbuf } (* skip blanks *)
- | "alias" { ALIAS }
| "Case" { CASE }
| "Fix" { FIX }
| "CoFix" { COFIX }
| "Set" { SET }
| "Prop" { PROP }
| "Type" { TYPE }
+ | "CProp" { CPROP }
| ident { ID (L.lexeme lexbuf) }
| conuri { CONURI (U.uri_of_string ("cic:" ^ L.lexeme lexbuf)) }
+ | varuri { VARURI (U.uri_of_string ("cic:" ^ L.lexeme lexbuf)) }
| indtyuri { INDTYURI (indtyuri_of_uri ("cic:" ^ L.lexeme lexbuf)) }
| indconuri { INDCONURI (indconuri_of_uri("cic:" ^ L.lexeme lexbuf)) }
| num { NUM (int_of_string (L.lexeme lexbuf)) }
- | '?' num { META (int_of_string (L.lexeme lexbuf)) }
+ | '?' num { let lexeme = L.lexeme lexbuf in
+ META
+ (int_of_string
+ (String.sub lexeme 1 (String.length lexeme - 1))) }
| ":>" { CAST }
| ":=" { LETIN }
| '?' { IMPLICIT }
| '(' { LPAREN }
| ')' { RPAREN }
+ | '[' { LBRACKET }
+ | ']' { RBRACKET }
| '{' { LCURLY }
| '}' { RCURLY }
| ';' { SEMICOLON }
| '!' { PROD }
| ':' { COLON }
| '.' { DOT }
+ | "->" { ARROW }
+ | "_" { NONE }
| eof { EOF }
{}