80 lines
2.9 KiB
C++
80 lines
2.9 KiB
C++
/*
|
|
* Cppcheck - A tool for static C/C++ code analysis
|
|
* Copyright (C) 2007-2016 Cppcheck 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 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
|
|
* 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, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
|
|
#include "astutils.h"
|
|
#include "settings.h"
|
|
#include "testsuite.h"
|
|
#include "token.h"
|
|
#include "tokenize.h"
|
|
#include "tokenlist.h"
|
|
|
|
|
|
class TestAstUtils : public TestFixture {
|
|
public:
|
|
TestAstUtils() : TestFixture("TestAstUtils") {
|
|
}
|
|
|
|
private:
|
|
|
|
void run() {
|
|
TEST_CASE(isReturnScope);
|
|
TEST_CASE(isVariableChanged);
|
|
}
|
|
|
|
bool isReturnScope(const char code[], int offset) {
|
|
Settings settings;
|
|
Tokenizer tokenizer(&settings, this);
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "test.cpp");
|
|
const Token * const tok = (offset < 0)
|
|
? tokenizer.list.back()->tokAt(1+offset)
|
|
: tokenizer.tokens()->tokAt(offset);
|
|
return ::isReturnScope(tok);
|
|
}
|
|
|
|
void isReturnScope() {
|
|
ASSERT_EQUALS(true, isReturnScope("void f() { if (a) { return; } }", -2));
|
|
ASSERT_EQUALS(true, isReturnScope("void f() { if (a) { return (ab){0}; } }", -2)); // #7103
|
|
ASSERT_EQUALS(false, isReturnScope("void f() { if (a) { return (ab){0}; } }", -4)); // #7103
|
|
ASSERT_EQUALS(true, isReturnScope("void f() { if (a) { {throw new string(x);}; } }", -4)); // #7144
|
|
ASSERT_EQUALS(true, isReturnScope("void f() { if (a) { {throw new string(x);}; } }", -2)); // #7144
|
|
}
|
|
|
|
bool isVariableChanged(const char code[], const char startPattern[], const char endPattern[]) {
|
|
Settings settings;
|
|
Tokenizer tokenizer(&settings, this);
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "test.cpp");
|
|
const Token * const tok1 = Token::findsimplematch(tokenizer.tokens(), startPattern);
|
|
const Token * const tok2 = Token::findsimplematch(tokenizer.tokens(), endPattern);
|
|
return ::isVariableChanged(tok1,tok2,1,false,&settings);
|
|
}
|
|
|
|
void isVariableChanged() {
|
|
// #8211 - no lhs for >> , do not crash
|
|
ASSERT_EQUALS(true,
|
|
isVariableChanged("void f() {\n"
|
|
" int b;\n"
|
|
" if (b) { (int)((INTOF(8))result >> b); }\n"
|
|
"}", "if", "}"));
|
|
}
|
|
};
|
|
|
|
REGISTER_TEST(TestAstUtils)
|