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// This file is part of PUMA.
// Copyright (C) 1999-2003 The PUMA developer team.
//
// 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 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 this program; if not, write to the Free
// Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
// MA 02111-1307 USA
#include "Puma/KeywordRecognizer.h"
#include <ctype.h>
namespace Puma {
int KeywordRecognizer::recognize (CScanBuffer *scan_buffer, int &expr, int &len) {
int result = recognizer().recognize (scan_buffer, expr, len);
// if it looks like a keyword we have to check if some character follows
// that makes it an identifier instead of a keyword
if (result == 1) {
scan_buffer->more (len);
if (scan_buffer->state () == CScanBuffer::STATE_OK) {
char next = scan_buffer->next ();
if (isalnum ((int)next) || next == '_')
result = 0;
scan_buffer->more (len);
}
}
return result;
}
} // namespace Puma
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