480 lines
14 KiB
C++
480 lines
14 KiB
C++
/*
|
|
* cppcheck - c/c++ syntax checking
|
|
* Copyright (C) 2007-2009 Daniel Marjamäki, Reijo Tomperi, Nicolas Le Cam
|
|
*
|
|
* 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/
|
|
*/
|
|
|
|
|
|
// The preprocessor that c++check uses is a bit special. Instead of generating
|
|
// the code for a known configuration, it generates the code for each configuration.
|
|
|
|
|
|
#include "testsuite.h"
|
|
#define UNIT_TESTING
|
|
#include "preprocessor.h"
|
|
|
|
#include <map>
|
|
#include <string>
|
|
|
|
class TestPreprocessor : public TestFixture
|
|
{
|
|
public:
|
|
TestPreprocessor() : TestFixture("TestPreprocessor")
|
|
{ }
|
|
|
|
private:
|
|
|
|
void run()
|
|
{
|
|
// Just read the code into a string. Perform simple cleanup of the code
|
|
TEST_CASE(readCode);
|
|
|
|
// The bug that started the whole work with the new preprocessor
|
|
TEST_CASE(Bug2190219);
|
|
|
|
TEST_CASE(test1);
|
|
TEST_CASE(test2);
|
|
TEST_CASE(test3);
|
|
TEST_CASE(test4);
|
|
TEST_CASE(test5);
|
|
|
|
TEST_CASE(comments1);
|
|
|
|
TEST_CASE(if0);
|
|
TEST_CASE(if1);
|
|
|
|
TEST_CASE(elif);
|
|
|
|
TEST_CASE(include1);
|
|
|
|
TEST_CASE(if_cond1);
|
|
|
|
TEST_CASE(multiline);
|
|
|
|
TEST_CASE(if_defined); // "#if defined(AAA)" => "#ifdef AAA"
|
|
|
|
// Macros..
|
|
TEST_CASE(macro1);
|
|
}
|
|
|
|
|
|
void readCode()
|
|
{
|
|
const char code[] = " \t a //\n"
|
|
" #aa\t /* remove this */\tb \r\n";
|
|
Preprocessor p;
|
|
std::istringstream istr(code);
|
|
std::string codestr(p.read(istr));
|
|
ASSERT_EQUALS("a \n#aa b \n", codestr);
|
|
}
|
|
|
|
|
|
bool cmpmaps(const std::map<std::string, std::string> &m1, const std::map<std::string, std::string> &m2)
|
|
{
|
|
// Begin by checking the sizes
|
|
if (m1.size() != m2.size())
|
|
return false;
|
|
|
|
// Check each item in the maps..
|
|
for (std::map<std::string, std::string>::const_iterator it1 = m1.begin(); it1 != m1.end(); ++it1)
|
|
{
|
|
std::string s1 = it1->first;
|
|
std::map<std::string, std::string>::const_iterator it2 = m2.find(s1);
|
|
if (it2 == m2.end())
|
|
return false;
|
|
else
|
|
{
|
|
std::string s1 = it1->second;
|
|
std::string s2 = it2->second;
|
|
if (s1 != s2)
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// No diffs were found
|
|
return true;
|
|
}
|
|
|
|
|
|
void Bug2190219()
|
|
{
|
|
const char filedata[] = "int main()\n"
|
|
"{\n"
|
|
"#ifdef __cplusplus\n"
|
|
" int* flags = new int[10];\n"
|
|
"#else\n"
|
|
" int* flags = (int*)malloc((10)*sizeof(int));\n"
|
|
"#endif\n"
|
|
"\n"
|
|
"#ifdef __cplusplus\n"
|
|
" delete [] flags;\n"
|
|
"#else\n"
|
|
" free(flags);\n"
|
|
"#endif\n"
|
|
"}\n";
|
|
|
|
// Expected result..
|
|
std::map<std::string, std::string> expected;
|
|
expected[""] = "int main()\n"
|
|
"{\n"
|
|
"\n"
|
|
"\n"
|
|
"\n"
|
|
"int* flags = (int*)malloc((10)*sizeof(int));\n"
|
|
"\n"
|
|
"\n"
|
|
"\n"
|
|
"\n"
|
|
"\n"
|
|
"free(flags);\n"
|
|
"\n"
|
|
"}\n";
|
|
|
|
expected["__cplusplus"] = "int main()\n"
|
|
"{\n"
|
|
"\n"
|
|
"int* flags = new int[10];\n"
|
|
"\n"
|
|
"\n"
|
|
"\n"
|
|
"\n"
|
|
"\n"
|
|
"delete [] flags;\n"
|
|
"\n"
|
|
"\n"
|
|
"\n"
|
|
"}\n";
|
|
|
|
// Preprocess => actual result..
|
|
std::istringstream istr(filedata);
|
|
std::map<std::string, std::string> actual;
|
|
Preprocessor preprocessor;
|
|
preprocessor.preprocess(istr, actual);
|
|
|
|
// Compare results..
|
|
ASSERT_EQUALS(true, cmpmaps(actual, expected));
|
|
}
|
|
|
|
|
|
void test1()
|
|
{
|
|
const char filedata[] = "#ifdef WIN32 \n"
|
|
" abcdef\n"
|
|
"#else \n"
|
|
" qwerty\n"
|
|
"#endif \n";
|
|
|
|
// Expected result..
|
|
std::map<std::string, std::string> expected;
|
|
expected[""] = "\n\n\nqwerty\n\n";
|
|
expected["WIN32"] = "\nabcdef\n\n\n\n";
|
|
|
|
// Preprocess => actual result..
|
|
std::istringstream istr(filedata);
|
|
std::map<std::string, std::string> actual;
|
|
Preprocessor preprocessor;
|
|
preprocessor.preprocess(istr, actual);
|
|
|
|
// Compare results..
|
|
ASSERT_EQUALS(true, cmpmaps(actual, expected));
|
|
}
|
|
|
|
void test2()
|
|
{
|
|
const char filedata[] = "# ifndef WIN32\n"
|
|
" \" # ifdef WIN32\" // a comment\n"
|
|
" # else \n"
|
|
" qwerty\n"
|
|
" # endif \n";
|
|
|
|
// Expected result..
|
|
std::map<std::string, std::string> expected;
|
|
expected["WIN32"] = "\n\n\nqwerty\n\n";
|
|
expected[""] = "\n\" # ifdef WIN32\"\n\n\n\n";
|
|
|
|
// Preprocess => actual result..
|
|
std::istringstream istr(filedata);
|
|
std::map<std::string, std::string> actual;
|
|
Preprocessor preprocessor;
|
|
preprocessor.preprocess(istr, actual);
|
|
|
|
// Compare results..
|
|
ASSERT_EQUALS(true, cmpmaps(actual, expected));
|
|
}
|
|
|
|
void test3()
|
|
{
|
|
const char filedata[] = "#ifdef ABC\n"
|
|
"a\n"
|
|
"#ifdef DEF\n"
|
|
"b\n"
|
|
"#endif\n"
|
|
"c\n"
|
|
"#endif\n";
|
|
|
|
// Expected result..
|
|
std::map<std::string, std::string> expected;
|
|
expected[""] = "\n\n\n\n\n\n\n";
|
|
expected["ABC"] = "\na\n\n\n\nc\n\n";
|
|
expected["ABC;DEF"] = "\na\n\nb\n\nc\n\n";
|
|
|
|
// Preprocess => actual result..
|
|
std::istringstream istr(filedata);
|
|
std::map<std::string, std::string> actual;
|
|
Preprocessor preprocessor;
|
|
preprocessor.preprocess(istr, actual);
|
|
|
|
// Compare results..
|
|
ASSERT_EQUALS(true, cmpmaps(actual, expected));
|
|
}
|
|
|
|
void test4()
|
|
{
|
|
const char filedata[] = "#ifdef ABC\n"
|
|
"A\n"
|
|
"#endif\t\n"
|
|
"#ifdef ABC\n"
|
|
"A\n"
|
|
"#endif\n";
|
|
|
|
// Expected result..
|
|
std::map<std::string, std::string> expected;
|
|
expected[""] = "\n\n\n\n\n\n";
|
|
expected["ABC"] = "\nA\n\n\nA\n\n";
|
|
|
|
// Preprocess => actual result..
|
|
std::istringstream istr(filedata);
|
|
std::map<std::string, std::string> actual;
|
|
Preprocessor preprocessor;
|
|
preprocessor.preprocess(istr, actual);
|
|
|
|
// Compare results..
|
|
ASSERT_EQUALS(true, cmpmaps(actual, expected));
|
|
}
|
|
|
|
void test5()
|
|
{
|
|
const char filedata[] = "#ifdef ABC\n"
|
|
"A\n"
|
|
"#else\n"
|
|
"B\n"
|
|
"#ifdef DEF\n"
|
|
"C\n"
|
|
"#endif\n"
|
|
"#endif\n";
|
|
|
|
// Expected result..
|
|
std::map<std::string, std::string> expected;
|
|
expected[""] = "\n\n\nB\n\n\n\n\n";
|
|
expected["ABC"] = "\nA\n\n\n\n\n\n\n";
|
|
expected["DEF"] = "\n\n\nB\n\nC\n\n\n";
|
|
|
|
// Preprocess => actual result..
|
|
std::istringstream istr(filedata);
|
|
std::map<std::string, std::string> actual;
|
|
Preprocessor preprocessor;
|
|
preprocessor.preprocess(istr, actual);
|
|
|
|
// Compare results..
|
|
ASSERT_EQUALS(true, cmpmaps(actual, expected));
|
|
}
|
|
|
|
|
|
|
|
void comments1()
|
|
{
|
|
const char filedata[] = "/*\n"
|
|
"#ifdef WIN32\n"
|
|
"#endif\n"
|
|
"*/\n";
|
|
|
|
// Expected result..
|
|
std::map<std::string, std::string> expected;
|
|
expected[""] = "\n\n\n\n";
|
|
|
|
// Preprocess => actual result..
|
|
std::istringstream istr(filedata);
|
|
std::map<std::string, std::string> actual;
|
|
Preprocessor preprocessor;
|
|
preprocessor.preprocess(istr, actual);
|
|
|
|
// Compare results..
|
|
ASSERT_EQUALS(true, cmpmaps(actual, expected));
|
|
}
|
|
|
|
|
|
|
|
void if0()
|
|
{
|
|
const char filedata[] = " # if /* comment */ 0 // comment\n"
|
|
"#ifdef WIN32\n"
|
|
"#endif\n"
|
|
"#endif\n";
|
|
|
|
// Expected result..
|
|
std::map<std::string, std::string> expected;
|
|
expected[""] = "\n\n\n\n";
|
|
|
|
// Preprocess => actual result..
|
|
std::istringstream istr(filedata);
|
|
std::map<std::string, std::string> actual;
|
|
Preprocessor preprocessor;
|
|
preprocessor.preprocess(istr, actual);
|
|
|
|
// Compare results..
|
|
ASSERT_EQUALS(true, cmpmaps(actual, expected));
|
|
}
|
|
|
|
void if1()
|
|
{
|
|
const char filedata[] = " # if /* comment */ 1 // comment\n"
|
|
"ABC\n"
|
|
" # endif \n";
|
|
|
|
// Expected result..
|
|
std::map<std::string, std::string> expected;
|
|
expected[""] = "\nABC\n\n";
|
|
|
|
// Preprocess => actual result..
|
|
std::istringstream istr(filedata);
|
|
std::map<std::string, std::string> actual;
|
|
Preprocessor preprocessor;
|
|
preprocessor.preprocess(istr, actual);
|
|
|
|
// Compare results..
|
|
ASSERT_EQUALS(true, cmpmaps(actual, expected));
|
|
}
|
|
|
|
|
|
void elif()
|
|
{
|
|
const char filedata[] = "#if DEF1\n"
|
|
"ABC\n"
|
|
"#elif DEF2\n"
|
|
"DEF\n"
|
|
"#endif\n";
|
|
|
|
// Expected result..
|
|
std::map<std::string, std::string> expected;
|
|
expected[""] = "\n\n\n\n\n";
|
|
expected["DEF1"] = "\nABC\n\n\n\n";
|
|
expected["DEF2"] = "\n\n\nDEF\n\n";
|
|
|
|
// Preprocess => actual result..
|
|
std::istringstream istr(filedata);
|
|
std::map<std::string, std::string> actual;
|
|
Preprocessor preprocessor;
|
|
preprocessor.preprocess(istr, actual);
|
|
|
|
// Compare results..
|
|
ASSERT_EQUALS(true, cmpmaps(actual, expected));
|
|
}
|
|
|
|
|
|
|
|
void include1()
|
|
{
|
|
const char filedata[] = " # include \"abcd.h\" // abcd\n";
|
|
|
|
// Expected result..
|
|
std::map<std::string, std::string> expected;
|
|
expected[""] = "#include \"abcd.h\"\n";
|
|
|
|
// Preprocess => actual result..
|
|
std::istringstream istr(filedata);
|
|
std::map<std::string, std::string> actual;
|
|
Preprocessor preprocessor;
|
|
preprocessor.preprocess(istr, actual);
|
|
|
|
// Compare results..
|
|
ASSERT_EQUALS(true, cmpmaps(actual, expected));
|
|
}
|
|
|
|
|
|
|
|
|
|
void if_cond1()
|
|
{
|
|
const char filedata[] = "#if LIBVER>100\n"
|
|
" A\n"
|
|
"#else\n"
|
|
" B\n"
|
|
"#endif\n";
|
|
|
|
std::map<std::string, std::string> expected;
|
|
expected[""] = "\n\n\nB\n\n";
|
|
expected["LIBVER>100"] = "\nA\n\n\n\n";
|
|
|
|
// Preprocess => actual result..
|
|
std::istringstream istr(filedata);
|
|
std::map<std::string, std::string> actual;
|
|
Preprocessor preprocessor;
|
|
preprocessor.preprocess(istr, actual);
|
|
|
|
// Compare results..
|
|
ASSERT_EQUALS(true, cmpmaps(actual, expected));
|
|
}
|
|
|
|
|
|
void multiline()
|
|
{
|
|
const char filedata[] = "#define str \"abc\" \\ \n"
|
|
" \"def\" \\ \n"
|
|
" \"ghi\" \n";
|
|
|
|
std::map<std::string, std::string> expected;
|
|
expected[""] = "#define str \"abc\" \"def\" \"ghi\"\n\n\n";
|
|
|
|
// Preprocess => actual result..
|
|
std::istringstream istr(filedata);
|
|
std::map<std::string, std::string> actual;
|
|
Preprocessor preprocessor;
|
|
preprocessor.preprocess(istr, actual);
|
|
|
|
// Compare results..
|
|
ASSERT_EQUALS(true, cmpmaps(actual, expected));
|
|
}
|
|
|
|
|
|
void if_defined()
|
|
{
|
|
const char filedata[] = "#if defined(AAA)\n"
|
|
"#endif\n";
|
|
|
|
// Expected result..
|
|
std::string expected("#ifdef AAA\n#endif\n");
|
|
|
|
// Compare result..
|
|
ASSERT_EQUALS(expected, Preprocessor::replaceIfDefined(filedata));
|
|
}
|
|
|
|
|
|
void macro1()
|
|
{
|
|
const char filedata[] = "#define AAA(aa) f(aa)\n"
|
|
"AAA(5);\n";
|
|
|
|
// Expected result..
|
|
std::string expected("\nf(5);\n");
|
|
|
|
// Compare result..
|
|
//ASSERT_EQUALS( expected, Preprocessor::expandMacros(filedata) );
|
|
}
|
|
|
|
|
|
};
|
|
|
|
REGISTER_TEST(TestPreprocessor)
|