-// $Id$
-//
// SuperTux
// Copyright (C) 2006 Matthias Braun <matze@braunis.de>
//
-// This program 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.
+// This program 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 3 of the License, or
+// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
-// along with this program; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-#include <config.h>
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+#include "lisp/lexer.hpp"
+#include <string.h>
#include <sstream>
-#include <cstring>
#include <stdexcept>
-#include <iostream>
-
-#include "lexer.hpp"
-
-namespace lisp
-{
-
-Lexer::Lexer(std::istream& newstream)
- : stream(newstream), eof(false), linenumber(0)
+#include <stdio.h>
+
+namespace lisp {
+
+Lexer::Lexer(std::istream& newstream) :
+ stream(newstream),
+ eof(false),
+ linenumber(0),
+ bufend(),
+ bufpos(),
+ c(),
+ token_length()
{
// trigger a refill of the buffer
bufpos = NULL;
return TOKEN_CLOSE_PAREN;
case '"': { // string
int startline = linenumber;
- nextChar();
while(1) {
+ nextChar();
switch(c) {
- case '"':
- nextChar();
- goto string_finished;
- case '\r':
- continue;
- case '\n':
- break;
- case '\\':
- nextChar();
- switch(c) {
- case 'n':
- c = '\n';
+ case '"':
+ nextChar();
+ goto string_finished;
+ case '\r':
+ continue;
+ case '\n':
break;
- case 't':
- c = '\t';
+ case '\\':
+ nextChar();
+ switch(c) {
+ case 'n':
+ c = '\n';
+ break;
+ case 't':
+ c = '\t';
+ break;
+ }
break;
+ case EOF: {
+ std::stringstream msg;
+ msg << "Parse error in line " << startline << ": "
+ << "EOF while parsing string.";
+ throw std::runtime_error(msg.str());
}
- break;
- case EOF: {
- std::stringstream msg;
- msg << "Parse error in line " << startline << ": "
- << "EOF while parsing string.";
- throw std::runtime_error(msg.str());
- }
- default:
- break;
+ default:
+ break;
}
- addChar();
+ if(token_length < MAX_TOKEN_LENGTH)
+ token_string[token_length++] = c;
}
-string_finished:
+ string_finished:
token_string[token_length] = 0;
return TOKEN_STRING;
}
}
} // end of namespace lisp
+
+/* EOF */