-/// @file parser_a_b.cpp Check for some silly bugs in the parser.
+/** @file parser_bugs.cpp
+ *
+ * Check for some silly bugs in the parser. */
+
+/*
+ * GiNaC Copyright (C) 1999-2019 Johannes Gutenberg University Mainz, Germany
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
#include "ginac.h"
-#include <string>
+using namespace GiNaC;
+
#include <iostream>
-#include <stdexcept>
#include <sstream>
-using namespace GiNaC;
+#include <stdexcept>
+#include <string>
// - a - b was misparsed as -a + b due to a bug in parser::parse_unary_expr()
static int check1(std::ostream& err_str)
return 0;
}
+/// parser happily accepted various junk like 'x^2()+1'
+static int check4(std::ostream& err_str)
+{
+ const std::string junk("x^2()+1");
+ parser reader;
+ ex e;
+ try {
+ e = reader(junk);
+ err_str << "parser accepts junk: \"" << junk << "\"" << std::endl;
+ return 1;
+ } catch (parse_error& err) {
+ // Ok, parser rejects the nonsense.
+ return 0;
+ }
+}
+
int main(int argc, char** argv)
{
std::cout << "checking for parser bugs. " << std::flush;
errors += check1(err_str);
errors += check2(err_str);
errors += check3(err_str);
+ errors += check4(err_str);
if (errors) {
std::cout << "Yes, unfortunately:" << std::endl;
std::cout << err_str.str();
}
return errors;
}
-