/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2010 Daniel Marjamäki and 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/>.
*/
// The preprocessor that Cppcheck uses is a bit special. Instead of generating
// the code for a known configuration, it generates the code for each configuration.
#include "testsuite.h"
#include "preprocessor.h"
#include "tokenize.h"
#include "token.h"
#include <map>
#include <string>
#include <sstream>
#include <stdexcept>
extern std::ostringstream errout;
extern std::ostringstream output;
class TestPreprocessor : public TestFixture
{
public:
TestPreprocessor() : TestFixture("TestPreprocessor")
{ }
class OurPreprocessor : public Preprocessor
{
public:
static std::string replaceIfDefined(const std::string &str)
{
return Preprocessor::replaceIfDefined(str);
}
static std::string expandMacros(std::string code, ErrorLogger *errorLogger = 0)
{
return Preprocessor::expandMacros(code, "file.cpp", errorLogger);
}
static int getHeaderFileName(std::string &str)
{
return Preprocessor::getHeaderFileName(str);
}
};
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(test6);
TEST_CASE(test7);
// #error => don't extract any code
TEST_CASE(error1);
// #error with extended chars
TEST_CASE(error2);
// Handling include guards (don't create extra configuration for it)
TEST_CASE(includeguard1);
TEST_CASE(includeguard2);
TEST_CASE(newlines);
TEST_CASE(comments1);
TEST_CASE(if0);
TEST_CASE(if1);
TEST_CASE(elif);
// Test the Preprocessor::match_cfg_def
TEST_CASE(match_cfg_def);
TEST_CASE(if_cond1);
TEST_CASE(if_cond2);
TEST_CASE(if_cond3);
TEST_CASE(if_cond4);
TEST_CASE(if_cond5);
TEST_CASE(if_cond6);
TEST_CASE(if_cond7);
TEST_CASE(if_cond8);
TEST_CASE(if_cond9);
TEST_CASE(if_or);
TEST_CASE(multiline1);
TEST_CASE(multiline2);
TEST_CASE(multiline3);
TEST_CASE(multiline4);
TEST_CASE(multiline5);
TEST_CASE(remove_asm);
TEST_CASE(if_defined); // "#if defined(AAA)" => "#ifdef AAA"
TEST_CASE(if_not_defined); // "#if !defined(AAA)" => "#ifndef AAA"
// Macros..
TEST_CASE(macro_simple1);
TEST_CASE(macro_simple2);
TEST_CASE(macro_simple3);
TEST_CASE(macro_simple4);
TEST_CASE(macro_simple5);
TEST_CASE(macro_simple6);
TEST_CASE(macro_simple7);
TEST_CASE(macro_simple8);
TEST_CASE(macro_simple9);
TEST_CASE(macro_simple10);
TEST_CASE(macro_simple11);
TEST_CASE(macro_simple12);
TEST_CASE(macro_simple13);
TEST_CASE(macroInMacro);
TEST_CASE(macro_mismatch);
TEST_CASE(macro_linenumbers);
TEST_CASE(macro_nopar);
TEST_CASE(macro_switchCase);
TEST_CASE(string1);
TEST_CASE(string2);
TEST_CASE(string3);
TEST_CASE(preprocessor_undef);
TEST_CASE(defdef); // Defined multiple times
TEST_CASE(preprocessor_doublesharp);
TEST_CASE(preprocessor_include_in_str);
TEST_CASE(fmt1);
TEST_CASE(fmt2);
TEST_CASE(fmt3);
TEST_CASE(multi_character_character);
TEST_CASE(stringify);
TEST_CASE(stringify2);
TEST_CASE(stringify3);
TEST_CASE(stringify4);
TEST_CASE(stringify5);
TEST_CASE(ifdefwithfile);
TEST_CASE(pragma);
TEST_CASE(pragma_asm_1);
TEST_CASE(pragma_asm_2);
TEST_CASE(endifsemicolon);
TEST_CASE(missing_doublequote);
TEST_CASE(handle_error);
TEST_CASE(unicodeInCode);
TEST_CASE(unicodeInComment);
TEST_CASE(unicodeInString);
TEST_CASE(define_part_of_func);
TEST_CASE(conditionalDefine);
TEST_CASE(multiline_comment);
TEST_CASE(macro_parameters);
TEST_CASE(newline_in_macro);
TEST_CASE(includes);
TEST_CASE(ifdef_ifdefined);
// define and then ifdef
TEST_CASE(define_ifdef);
TEST_CASE(endfile);
TEST_CASE(redundant_config);
}
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);
}
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, "file.c");
// Compare results..
ASSERT_EQUALS(expected[""], actual[""]);
ASSERT_EQUALS(expected["__cplusplus"], actual["__cplusplus"]);
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
}
void test1()
{
const char filedata[] = "#ifdef WIN32 \n"
" abcdef\n"
"#else \n"
" qwerty\n"
"#endif \n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS("\n\n\nqwerty\n\n", actual[""]);
ASSERT_EQUALS("\nabcdef\n\n\n\n", actual["WIN32"]);
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
}
void test2()
{
const char filedata[] = "# ifndef WIN32\n"
" \" # ifdef WIN32\" // a comment\n"
" # else \n"
" qwerty\n"
" # endif \n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS("\n\" #ifdef WIN32\"\n\n\n\n", actual[""]);
ASSERT_EQUALS("\n\n\nqwerty\n\n", actual["WIN32"]);
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
}
void test3()
{
const char filedata[] = "#ifdef ABC\n"
"a\n"
"#ifdef DEF\n"
"b\n"
"#endif\n"
"c\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS("\n\n\n\n\n\n\n", actual[""]);
ASSERT_EQUALS("\na\n\n\n\nc\n\n", actual["ABC"]);
ASSERT_EQUALS("\na\n\nb\n\nc\n\n", actual["ABC;DEF"]);
ASSERT_EQUALS(3, static_cast<unsigned int>(actual.size()));
}
void test4()
{
const char filedata[] = "#ifdef ABC\n"
"A\n"
"#endif\t\n"
"#ifdef ABC\n"
"A\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS("\n\n\n\n\n\n", actual[""]);
ASSERT_EQUALS("\nA\n\n\nA\n\n", actual["ABC"]);
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
}
void test5()
{
const char filedata[] = "#ifdef ABC\n"
"A\n"
"#else\n"
"B\n"
"#ifdef DEF\n"
"C\n"
"#endif\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS("\n\n\nB\n\n\n\n\n", actual[""]);
ASSERT_EQUALS("\nA\n\n\n\n\n\n\n", actual["ABC"]);
ASSERT_EQUALS("\n\n\nB\n\nC\n\n\n", actual["DEF"]);
ASSERT_EQUALS(3, static_cast<unsigned int>(actual.size()));
}
void test6()
{
const char filedata[] = "#if(A)\n"
"#if ( A ) \n"
"#if A\n"
"#if defined((A))\n"
"#elif defined (A)\n";
std::istringstream istr(filedata);
const std::string actual(Preprocessor::read(istr));
// Compare results..
ASSERT_EQUALS("#if A\n#if A\n#if A\n#if defined(A)\n#elif defined(A)\n", actual);
}
void test7()
{
const char filedata[] = "#ifdef ABC\n"
"A\n"
"#ifdef ABC\n"
"B\n"
"#endif\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
errout.str("");
preprocessor.preprocess(istr, actual, "file.c");
// Make sure an error message is written..
ASSERT_EQUALS("", errout.str()); // no change?
TODO_ASSERT_EQUALS("[test.cpp:3]: this preprocessor condition is always true", errout.str());
// Compare results..
ASSERT_EQUALS("\n\n\n\n\n\n", actual[""]);
ASSERT_EQUALS("\nA\n\nB\n\n\n", actual["ABC"]);
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
}
void error1()
{
const char filedata[] = "#ifdef A\n"
";\n"
"#else\n"
"#error abcd\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
errout.str("");
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("", actual[""]);
ASSERT_EQUALS("\n;\n\n\n\n", actual["A"]);
}
void error2()
{
const char filedata[] = "#error ê\n"
"#warning ê\n"
"123";
// Read string..
std::istringstream istr(filedata);
ASSERT_EQUALS("#error\n\n123", Preprocessor::read(istr));
}
void includeguard1()
{
// Handling include guards..
const char filedata[] = "#file \"abc.h\"\n"
"#ifndef abcH\n"
"#define abcH\n"
"#endif\n"
"#endfile\n"
"#ifdef ABC\n"
"#endif";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Expected configurations: "" and "ABC"
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
}
void includeguard2()
{
// Handling include guards..
const char filedata[] = "#file \"abc.h\"\n"
"foo\n"
"#ifdef ABC\n"
"\n"
"#endif\n"
"#endfile\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Expected configurations: "" and "ABC"
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS(true, actual.find("") != actual.end());
ASSERT_EQUALS(true, actual.find("ABC") != actual.end());
}
void ifdefwithfile()
{
// Handling include guards..
const char filedata[] = "#ifdef ABC\n"
"#file \"abc.h\"\n"
"class A{};/*\n\n\n\n\n\n\n*/\n"
"#endfile\n"
"#endif\n"
"int main() {}\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
Tokenizer tok;
std::istringstream codeStream(actual[""]);
tok.tokenize(codeStream, "main.cpp");
ASSERT_EQUALS("\n\n##file 0\n1:\n2:\n3:\n4: int main ( ) { }\n", tok.tokens()->stringifyList());
// Expected configurations: "" and "ABC"
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n#file \"abc.h\"\n\n\n\n\n\n\n\n\n#endfile\n\nint main() {}\n", actual[""]);
ASSERT_EQUALS("\n#file \"abc.h\"\nclass A{};\n\n\n\n\n\n\n\n#endfile\n\nint main() {}\n", actual["ABC"]);
}
void newlines()
{
const char filedata[] = "\r\r\n\n";
// Preprocess
std::istringstream istr(filedata);
Preprocessor preprocessor;
ASSERT_EQUALS("\n\n\n", preprocessor.read(istr));
}
void comments1()
{
{
const char filedata[] = "/*\n"
"#ifdef WIN32\n"
"#endif\n"
"*/\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS("\n\n\n\n", actual[""]);
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
}
{
const char filedata[] = "/*\n"
"\x080 #ifdef WIN32\n"
"#endif\n"
"*/\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS("\n\n\n\n", actual[""]);
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
}
{
const char filedata[] = "void f()\n"
"{\n"
" *p = a / *b / *c;\n"
"}\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS("void f()\n{\n*p = a / *b / *c;\n}\n", actual[""]);
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
}
}
void if0()
{
const char filedata[] = " # if /* comment */ 0 // comment\n"
"#ifdef WIN32\n"
"#endif\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS("\n\n\n\n", actual[""]);
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
}
void if1()
{
const char filedata[] = " # if /* comment */ 1 // comment\n"
"ABC\n"
" # endif \n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS("\nABC\n\n", actual[""]);
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
}
void elif()
{
{
const char filedata[] = "#if DEF1\n"
"ABC\n"
"#elif DEF2\n"
"DEF\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS("\n\n\n\n\n", actual[""]);
ASSERT_EQUALS("\nABC\n\n\n\n", actual["DEF1"]);
ASSERT_EQUALS("\n\n\nDEF\n\n", actual["DEF2"]);
ASSERT_EQUALS(3, static_cast<unsigned int>(actual.size()));
}
{
const char filedata[] = "#if(defined DEF1)\n"
"ABC\n"
"#elif(defined DEF2)\n"
"DEF\n"
"#else\n"
"GHI\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS("\n\n\n\n\nGHI\n\n", actual[""]);
ASSERT_EQUALS("\nABC\n\n\n\n\n\n", actual["DEF1"]);
ASSERT_EQUALS("\n\n\nDEF\n\n\n\n", actual["DEF2"]);
ASSERT_EQUALS(3, static_cast<unsigned int>(actual.size()));
}
}
void match_cfg_def()
{
{
std::map<std::string, std::string> cfg;
ASSERT_EQUALS(false, Preprocessor::match_cfg_def(cfg, "A>1||defined(B)"));
}
{
std::map<std::string, std::string> cfg;
cfg["A"] = "";
cfg["B"] = "";
ASSERT_EQUALS(true, Preprocessor::match_cfg_def(cfg, "defined(A)&&defined(B)"));
}
{
std::map<std::string, std::string> cfg;
cfg["ABC"] = "";
ASSERT_EQUALS(false, Preprocessor::match_cfg_def(cfg, "defined(A)"));
ASSERT_EQUALS(true, Preprocessor::match_cfg_def(cfg, "!defined(A)"));
ASSERT_EQUALS(false, Preprocessor::match_cfg_def(cfg, "!defined(ABC)&&!defined(DEF)"));
ASSERT_EQUALS(true, Preprocessor::match_cfg_def(cfg, "!defined(A)&&!defined(B)"));
}
{
std::map<std::string, std::string> cfg;
cfg["A"] = "1";
cfg["B"] = "2";
ASSERT_EQUALS(true, Preprocessor::match_cfg_def(cfg, "A==1"));
ASSERT_EQUALS(true, Preprocessor::match_cfg_def(cfg, "A<2"));
ASSERT_EQUALS(false, Preprocessor::match_cfg_def(cfg, "A==2"));
ASSERT_EQUALS(false, Preprocessor::match_cfg_def(cfg, "A<1"));
TODO_ASSERT_EQUALS(true, Preprocessor::match_cfg_def(cfg, "A>=1&&B<=A"));
}
}
void if_cond1()
{
const char filedata[] = "#if LIBVER>100\n"
" A\n"
"#else\n"
" B\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\n\nB\n\n", actual[""]);
TODO_ASSERT_EQUALS("\nA\n\n\n\n", actual["LIBVER=101"]);
}
void if_cond2()
{
const char filedata[] = "#ifdef A\n"
"a\n"
"#endif\n"
"#if defined(A) && defined(B)\n"
"ab\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(3, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\n\n\n\n\n", actual[""]);
ASSERT_EQUALS("\na\n\n\n\n\n", actual["A"]);
ASSERT_EQUALS("\na\n\n\nab\n\n", actual["A;B"]);
if_cond2b();
if_cond2c();
if_cond2d();
}
void if_cond2b()
{
const char filedata[] = "#ifndef A\n"
"!a\n"
"#ifdef B\n"
"b\n"
"#endif\n"
"#else\n"
"a\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(3, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n!a\n\n\n\n\n\n\n", actual[""]);
ASSERT_EQUALS("\n\n\n\n\n\na\n\n", actual["A"]);
ASSERT_EQUALS("\n!a\n\nb\n\n\n\n\n", actual["B"]);
}
void if_cond2c()
{
const char filedata[] = "#ifndef A\n"
"!a\n"
"#ifdef B\n"
"b\n"
"#else\n"
"!b\n"
"#endif\n"
"#else\n"
"a\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(3, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n!a\n\n\n\n!b\n\n\n\n\n", actual[""]);
ASSERT_EQUALS("\n\n\n\n\n\n\n\na\n\n", actual["A"]);
ASSERT_EQUALS("\n!a\n\nb\n\n\n\n\n\n\n", actual["B"]);
}
void if_cond2d()
{
const char filedata[] = "#ifndef A\n"
"!a\n"
"#ifdef B\n"
"b\n"
"#else\n"
"!b\n"
"#endif\n"
"#else\n"
"a\n"
"#ifdef B\n"
"b\n"
"#else\n"
"!b\n"
"#endif\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(4, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n!a\n\n\n\n!b\n\n\n\n\n\n\n\n\n\n", actual[""]);
ASSERT_EQUALS("\n\n\n\n\n\n\n\na\n\n\n\n!b\n\n\n", actual["A"]);
ASSERT_EQUALS("\n\n\n\n\n\n\n\na\n\nb\n\n\n\n\n", actual["A;B"]);
ASSERT_EQUALS("\n!a\n\nb\n\n\n\n\n\n\n\n\n\n\n\n", actual["B"]);
}
void if_cond3()
{
const char filedata[] = "#ifdef A\n"
"a\n"
"#if defined(B) && defined(C)\n"
"abc\n"
"#endif\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(3, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\n\n\n\n\n", actual[""]);
ASSERT_EQUALS("\na\n\n\n\n\n", actual["A"]);
ASSERT_EQUALS("\na\n\nabc\n\n\n", actual["A;B;C"]);
}
void if_cond4()
{
{
const char filedata[] = "#define A\n"
"#define B\n"
"#if defined A || defined B\n"
"ab\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\n\nab\n\n", actual[""]);
}
{
const char filedata[] = "#if A\n"
"{\n"
"#if (defined(B))\n"
"foo();\n"
"#endif\n"
"}\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(3, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\n\n\n\n\n\n", actual[""]);
ASSERT_EQUALS("\n{\n\n\n\n}\n\n", actual["A"]);
ASSERT_EQUALS("\n{\n\nfoo();\n\n}\n\n", actual["A;B"]);
}
{
const char filedata[] = "#define A\n"
"#define B\n"
"#if (defined A) || defined (B)\n"
"ab\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\n\nab\n\n", actual[""]);
}
{
const char filedata[] = "#if (A)\n"
"foo();\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\n\n", actual[""]);
ASSERT_EQUALS("\nfoo();\n\n", actual["A"]);
}
{
const char filedata[] = "#if! A\n"
"foo();\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
TODO_ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\nfoo();\n\n", actual[""]);
}
}
void if_cond5()
{
const char filedata[] = "#if defined(A) && defined(B)\n"
"ab\n"
"#endif\n"
"cd\n"
"#if defined(B) && defined(A)\n"
"ef\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\n\ncd\n\n\n\n", actual[""]);
ASSERT_EQUALS("\nab\n\ncd\n\nef\n\n", actual["A;B"]);
}
void if_cond6()
{
const char filedata[] = "\n"
"#if defined(A) && defined(B))\n"
"#endif\n";
errout.str("");
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Settings settings;
Preprocessor preprocessor(&settings, this);
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS("[file.c:2]: (error) mismatching number of '(' and ')' in this line: defined(A)&&defined(B))\n", errout.str());
}
void if_cond7()
{
const char filedata[] = "#define A 1\n"
"#if A==1\n"
"a1;\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Settings settings;
Preprocessor preprocessor(&settings, this);
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(1, actual.size());
ASSERT_EQUALS("\n\na1;\n\n", actual[""]);
}
void if_cond8()
{
const char filedata[] = "#if defined(A) + defined(B) + defined(C) != 1\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Settings settings;
Preprocessor preprocessor(&settings, this);
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(1, actual.size());
ASSERT_EQUALS("\n\n", actual[""]);
}
void if_cond9()
{
const char filedata[] = "#if !defined _A\n"
"abc\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Settings settings;
Preprocessor preprocessor(&settings, this);
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(1, actual.size());
ASSERT_EQUALS("\nabc\n\n", actual[""]);
}
void if_or()
{
const char filedata[] = "#if defined(DEF_10) || defined(DEF_11)\n"
"a1;\n"
"#endif\n";
errout.str("");
output.str("");
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Settings settings;
settings._debug = true;
settings._verbose = true;
Preprocessor preprocessor(&settings, this);
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(1, actual.size());
ASSERT_EQUALS("\n\n\n", actual[""]);
// the "defined(DEF_10) || defined(DEF_11)" are not handled correctly..
ASSERT_EQUALS("unhandled configuration: defined(DEF_10)||defined(DEF_11)\n", output.str());
TODO_ASSERT_EQUALS(2, actual.size());
TODO_ASSERT_EQUALS("\na1;\n\n", actual["DEF_10"]);
}
void multiline1()
{
const char filedata[] = "#define str \"abc\" \\\n"
" \"def\" \n"
"abcdef = str;\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
Preprocessor preprocessor;
ASSERT_EQUALS("#define str \"abc\" \"def\" \n\nabcdef = str;\n", preprocessor.read(istr));
}
void multiline2()
{
const char filedata[] = "#define sqr(aa) aa * \\\n"
" aa\n"
"sqr(5);\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
Preprocessor preprocessor;
ASSERT_EQUALS("#define sqr(aa) aa * aa\n\nsqr(5);\n", preprocessor.read(istr));
}
void multiline3()
{
const char filedata[] = "const char *str = \"abc\\\n"
"def\\\n"
"ghi\"\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
Preprocessor preprocessor;
ASSERT_EQUALS("const char *str = \"abcdefghi\"\n\n\n", preprocessor.read(istr));
}
void multiline4()
{
errout.str("");
const char filedata[] = "#define A int a = 4;\\ \n"
" int b = 5;\n"
"A\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\nint a = 4; int b = 5;\n", actual[""]);
ASSERT_EQUALS("", errout.str());
}
void multiline5()
{
errout.str("");
const char filedata[] = "#define ABC int a /*\n"
"*/= 4;\n"
"int main(){\n"
"ABC\n"
"}\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\nint main(){\nint a = 4;\n}\n", actual[""]);
ASSERT_EQUALS("", errout.str());
}
void remove_asm()
{
std::string str1("\nasm(\n\n\n);");
Preprocessor::removeAsm(str1);
ASSERT_EQUALS("\nasm()\n\n\n;", str1);
std::string str2("\nasm __volatile(\"\nlw iScale, 0x00(pScale)\n\", ());");
Preprocessor::removeAsm(str2);
ASSERT_EQUALS("\n\n\n;", str2);
}
void if_defined()
{
{
const char filedata[] = "#if defined(AAA)\n"
"#endif\n";
ASSERT_EQUALS("#ifdef AAA\n#endif\n", OurPreprocessor::replaceIfDefined(filedata));
}
{
ASSERT_EQUALS("#elif A\n", OurPreprocessor::replaceIfDefined("#elif defined(A)\n"));
}
}
void if_not_defined()
{
const char filedata[] = "#if !defined(AAA)\n"
"#endif\n";
ASSERT_EQUALS("#ifndef AAA\n#endif\n", OurPreprocessor::replaceIfDefined(filedata));
}
void macro_simple1()
{
{
const char filedata[] = "#define AAA(aa) f(aa)\n"
"AAA(5);\n";
ASSERT_EQUALS("\nf(5);\n", OurPreprocessor::expandMacros(filedata));
}
{
const char filedata[] = "#define AAA(aa) f(aa)\n"
"AAA (5);\n";
ASSERT_EQUALS("\nf(5);\n", OurPreprocessor::expandMacros(filedata));
}
}
void macro_simple2()
{
const char filedata[] = "#define min(x,y) x<y?x:y\n"
"min(a(),b());\n";
ASSERT_EQUALS("\na()<b()?a():b();\n", OurPreprocessor::expandMacros(filedata));
}
void macro_simple3()
{
const char filedata[] = "#define A 4\n"
"A AA\n";
ASSERT_EQUALS("\n4 AA\n", OurPreprocessor::expandMacros(filedata));
}
void macro_simple4()
{
const char filedata[] = "#define TEMP_1 if( temp > 0 ) return 1;\n"
"TEMP_1\n";
ASSERT_EQUALS("\nif( temp > 0 ) return 1;\n", OurPreprocessor::expandMacros(filedata));
}
void macro_simple5()
{
const char filedata[] = "#define ABC if( temp > 0 ) return 1;\n"
"\n"
"void foo()\n"
"{\n"
" int temp = 0;\n"
" ABC\n"
"}\n";
ASSERT_EQUALS("\n\nvoid foo()\n{\n int temp = 0;\n if( temp > 0 ) return 1;\n}\n", OurPreprocessor::expandMacros(filedata));
}
void macro_simple6()
{
const char filedata[] = "#define ABC (a+b+c)\n"
"ABC\n";
ASSERT_EQUALS("\n(a+b+c)\n", OurPreprocessor::expandMacros(filedata));
}
void macro_simple7()
{
const char filedata[] = "#define ABC(str) str\n"
"ABC(\"(\")\n";
ASSERT_EQUALS("\n\"(\"\n", OurPreprocessor::expandMacros(filedata));
}
void macro_simple8()
{
const char filedata[] = "#define ABC 123\n"
"#define ABCD 1234\n"
"ABC ABCD\n";
ASSERT_EQUALS("\n\n123 1234\n", OurPreprocessor::expandMacros(filedata));
}
void macro_simple9()
{
const char filedata[] = "#define ABC(a) f(a)\n"
"ABC( \"\\\"\" );\n"
"ABC( \"g\" );\n";
ASSERT_EQUALS("\nf(\"\\\"\");\nf(\"g\");\n", OurPreprocessor::expandMacros(filedata));
}
void macro_simple10()
{
const char filedata[] = "#define ABC(t) t x\n"
"ABC(unsigned long);\n";
ASSERT_EQUALS("\nunsigned long x;\n", OurPreprocessor::expandMacros(filedata));
}
void macro_simple11()
{
const char filedata[] = "#define ABC(x) delete x\n"
"ABC(a);\n";
ASSERT_EQUALS("\ndelete a;\n", OurPreprocessor::expandMacros(filedata));
}
void macro_simple12()
{
const char filedata[] = "#define AB ab.AB\n"
"AB.CD\n";
ASSERT_EQUALS("\nab.AB.CD\n", OurPreprocessor::expandMacros(filedata));
}
void macro_simple13()
{
const char filedata[] = "#define TRACE(x)\n"
"TRACE(;if(a))\n";
ASSERT_EQUALS("\n\n", OurPreprocessor::expandMacros(filedata));
}
void macroInMacro()
{
{
const char filedata[] = "#define A(m) long n = m; n++;\n"
"#define B(n) A(n)\n"
"B(0)\n";
ASSERT_EQUALS("\n\nlong n=0;n++;\n", OurPreprocessor::expandMacros(filedata));
}
{
const char filedata[] = "#define A B\n"
"#define B 3\n"
"A\n";
ASSERT_EQUALS("\n\n3\n", OurPreprocessor::expandMacros(filedata));
}
{
const char filedata[] = "#define DBG(fmt, args...) printf(fmt, ## args)\n"
"#define D(fmt, args...) DBG(fmt, ## args)\n"
"DBG(\"hello\");\n";
ASSERT_EQUALS("\n\nprintf(\"hello\");\n", OurPreprocessor::expandMacros(filedata));
}
{
const char filedata[] = "#define DBG(fmt, args...) printf(fmt, ## args)\n"
"#define D(fmt, args...) DBG(fmt, ## args)\n"
"DBG(\"hello: %d\",3);\n";
ASSERT_EQUALS("\n\nprintf(\"hello: %d\",3);\n", OurPreprocessor::expandMacros(filedata));
}
{
const char filedata[] = "#define BC(b, c...) 0##b * 0##c\n"
"#define ABC(a, b...) a + BC(b)\n"
"\n"
"ABC(1);\n"
"ABC(2,3);\n"
"ABC(4,5,6);\n";
ASSERT_EQUALS("\n\n\n1+0*0;\n2+03*0;\n4+05*06;\n", OurPreprocessor::expandMacros(filedata));
}
{
const char filedata[] = "#define A 4\n"
"#define B(a) a,A\n"
"B(2);\n";
ASSERT_EQUALS("\n\n2,4;\n", OurPreprocessor::expandMacros(filedata));
}
{
const char filedata[] = "#define A(x) (x)\n"
"#define B )A(\n"
"#define C )A(\n";
ASSERT_EQUALS("\n\n\n", OurPreprocessor::expandMacros(filedata));
}
{
const char filedata[] = "#define A(x) (x*2)\n"
"#define B A(\n"
"foo B(i));\n";
ASSERT_EQUALS("\n\nfoo ((i)*2);\n", OurPreprocessor::expandMacros(filedata));
}
{
const char filedata[] = "#define foo foo\n"
"foo\n";
ASSERT_EQUALS("\nfoo\n", OurPreprocessor::expandMacros(filedata));
}
{
const char filedata[] =
"#define B(A1, A2) } while (0)\n"
"#define A(name) void foo##name() { do { B(1, 2); }\n"
"A(0)\n"
"A(1)\n";
ASSERT_EQUALS("\n\nvoid foo0(){do{}while(0);}\nvoid foo1(){do{}while(0);}\n", OurPreprocessor::expandMacros(filedata));
}
{
const char filedata[] =
"#define B(x) (\n"
"#define A() B(xx)\n"
"B(1) A() ) )\n";
ASSERT_EQUALS("\n\n( ( ) )\n", OurPreprocessor::expandMacros(filedata));
}
{
const char filedata[] =
"#define PTR1 (\n"
"#define PTR2 PTR1 PTR1\n"
"int PTR2 PTR2 foo )))) = 0;\n";
ASSERT_EQUALS("\n\nint ( ( ( ( foo )))) = 0;\n", OurPreprocessor::expandMacros(filedata));
}
{
const char filedata[] =
"#define PTR1 (\n"
"PTR1 PTR1\n";
ASSERT_EQUALS("\n( (\n", OurPreprocessor::expandMacros(filedata));
}
}
void macro_mismatch()
{
const char filedata[] = "#define AAA(aa,bb) f(aa)\n"
"AAA(5);\n";
ASSERT_EQUALS("\nAAA(5);\n", OurPreprocessor::expandMacros(filedata));
}
void macro_linenumbers()
{
const char filedata[] = "#define AAA(a)\n"
"AAA(5\n"
"\n"
")\n"
"int a;\n";
ASSERT_EQUALS("\n"
"\n"
"\n"
"\n"
"int a;\n",
OurPreprocessor::expandMacros(filedata));
}
void macro_nopar()
{
const char filedata[] = "#define AAA( ) { NULL }\n"
"AAA()\n";
ASSERT_EQUALS("\n{ NULL }\n", OurPreprocessor::expandMacros(filedata));
}
void macro_switchCase()
{
{
// Make sure "case 2" doesn't become "case2"
const char filedata[] = "#define A( b ) "
"switch( a ){ "
"case 2: "
" break; "
"}\n"
"A( 5 );\n";
ASSERT_EQUALS("\nswitch(a){case 2:break;};\n", OurPreprocessor::expandMacros(filedata));
}
{
// Make sure "2 BB" doesn't become "2BB"
const char filedata[] = "#define A() AA : 2 BB\n"
"A();\n";
ASSERT_EQUALS("\nAA : 2 BB;\n", OurPreprocessor::expandMacros(filedata));
}
{
const char filedata[] = "#define A }\n"
"#define B() A\n"
"#define C( a ) B() break;\n"
"{C( 2 );\n";
ASSERT_EQUALS("\n\n\n{} break;;\n", OurPreprocessor::expandMacros(filedata));
}
{
const char filedata[] = "#define A }\n"
"#define B() A\n"
"#define C( a ) B() _break;\n"
"{C( 2 );\n";
ASSERT_EQUALS("\n\n\n{} _break;;\n", OurPreprocessor::expandMacros(filedata));
}
{
const char filedata[] = "#define A }\n"
"#define B() A\n"
"#define C( a ) B() 5;\n"
"{C( 2 );\n";
ASSERT_EQUALS("\n\n\n{} 5;;\n", OurPreprocessor::expandMacros(filedata));
}
}
void string1()
{
const char filedata[] = "int main()"
"{"
" const char *a = \"#define A\n\";"
"}\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("int main(){ const char *a = \"#define A\n\";}\n", actual[""]);
}
void string2()
{
const char filedata[] = "#define AAA 123\n"
"str = \"AAA\"\n";
// Compare results..
ASSERT_EQUALS("\nstr = \"AAA\"\n", OurPreprocessor::expandMacros(filedata));
}
void string3()
{
const char filedata[] = "str(\";\");\n";
// Compare results..
ASSERT_EQUALS("str(\";\");\n", OurPreprocessor::expandMacros(filedata));
}
void preprocessor_undef()
{
{
const char filedata[] = "#define AAA int a;\n"
"#undef AAA\n"
"#define AAA char b=0;\n"
"AAA\n";
// Compare results..
ASSERT_EQUALS("\n\n\nchar b=0;\n", OurPreprocessor::expandMacros(filedata));
}
{
// ticket #403
const char filedata[] = "#define z p[2]\n"
"#undef z\n"
"int z;\n"
"z = 0;\n";
ASSERT_EQUALS("\n\nint z;\nz = 0;\n", OurPreprocessor::getcode(filedata, "", "", NULL));
}
}
void defdef()
{
const char filedata[] = "#define AAA 123\n"
"#define AAA 456\n"
"#define AAA 789\n"
"AAA\n";
// Compare results..
ASSERT_EQUALS("\n\n\n789\n", OurPreprocessor::expandMacros(filedata));
}
void preprocessor_doublesharp()
{
// simple testcase without ##
const char filedata1[] = "#define TEST(var,val) var = val\n"
"TEST(foo,20);\n";
ASSERT_EQUALS("\nfoo=20;\n", OurPreprocessor::expandMacros(filedata1));
// simple testcase with ##
const char filedata2[] = "#define TEST(var,val) var##_##val = val\n"
"TEST(foo,20);\n";
ASSERT_EQUALS("\nfoo_20=20;\n", OurPreprocessor::expandMacros(filedata2));
// concat macroname
const char filedata3[] = "#define ABCD 123\n"
"#define A(B) A##B\n"
"A(BCD)\n";
ASSERT_EQUALS("\n\n123\n", OurPreprocessor::expandMacros(filedata3));
// Ticket #1802 - inner ## must be expanded before outer macro
const char filedata4[] = "#define A(B) A##B\n"
"#define a(B) A(B)\n"
"a(A(B))\n";
ASSERT_EQUALS("\n\nAAB\n", OurPreprocessor::expandMacros(filedata4));
// Ticket #1802 - inner ## must be expanded before outer macro
const char filedata5[] = "#define AB(A,B) A##B\n"
"#define ab(A,B) AB(A,B)\n"
"ab(a,AB(b,c))\n";
ASSERT_EQUALS("\n\nabc\n", OurPreprocessor::expandMacros(filedata5));
}
void preprocessor_include_in_str()
{
const char filedata[] = "int main()\n"
"{\n"
"const char *a = \"#include <string>\n\";\n"
"return 0;\n"
"}\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("int main()\n{\nconst char *a = \"#include <string>\n\";\nreturn 0;\n}\n", actual[""]);
}
void fmt1()
{
const char filedata[] = "#define DBG(fmt...) printf(fmt)\n"
"DBG(\"[0x%lx-0x%lx)\", pstart, pend);\n";
// Preprocess..
std::string actual = OurPreprocessor::expandMacros(filedata);
ASSERT_EQUALS("\nprintf(\"[0x%lx-0x%lx)\",pstart,pend);\n", actual);
}
void fmt2()
{
const char filedata[] = "#define DBG(fmt, args...) printf(fmt, ## args)\n"
"DBG(\"hello\");\n";
// Preprocess..
std::string actual = OurPreprocessor::expandMacros(filedata);
ASSERT_EQUALS("\nprintf(\"hello\");\n", actual);
}
void fmt3()
{
const char filedata[] = "#define FRED(...) { fred(__VA_ARGS__); }\n"
"FRED(123)\n";
ASSERT_EQUALS("\n{ fred(123); }\n", OurPreprocessor::expandMacros(filedata));
}
void multi_character_character()
{
const char filedata[] = "#define FOO 'ABCD'\n"
"int main()\n"
"{\n"
"if( FOO == 0 );\n"
"return 0;\n"
"}\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\nint main()\n{\nif( 'ABCD' == 0 );\nreturn 0;\n}\n", actual[""]);
}
void stringify()
{
const char filedata[] = "#define STRINGIFY(x) #x\n"
"STRINGIFY(abc)\n";
// expand macros..
std::string actual = OurPreprocessor::expandMacros(filedata);
ASSERT_EQUALS("\n\"abc\"\n", actual);
}
void stringify2()
{
const char filedata[] = "#define A(x) g(#x)\n"
"A(abc);\n";
// expand macros..
std::string actual = OurPreprocessor::expandMacros(filedata);
ASSERT_EQUALS("\ng(\"abc\");\n", actual);
}
void stringify3()
{
const char filedata[] = "#define A(x) g(#x)\n"
"A( abc);\n";
// expand macros..
std::string actual = OurPreprocessor::expandMacros(filedata);
ASSERT_EQUALS("\ng(\"abc\");\n", actual);
}
void stringify4()
{
const char filedata[] = "#define A(x) #x\n"
"1 A(\n"
"abc\n"
") 2\n";
// expand macros..
std::string actual = OurPreprocessor::expandMacros(filedata);
ASSERT_EQUALS("\n1 \n\n\"abc\" 2\n", actual);
}
void stringify5()
{
const char filedata[] = "#define A(x) a(#x,x)\n"
"A(foo(\"\\\"\"))\n";
ASSERT_EQUALS("\na(\"foo(\\\"\\\\\\\"\\\")\",foo(\"\\\"\"))\n", OurPreprocessor::expandMacros(filedata));
}
void pragma()
{
const char filedata[] = "#pragma once\n"
"void f()\n"
"{\n"
"}\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\nvoid f()\n{\n}\n", actual[""]);
}
void pragma_asm_1()
{
const char filedata[] = "#pragma asm\n"
" mov r1, 11\n"
"#pragma endasm\n"
"aaa\n"
"#pragma asm foo\n"
" mov r1, 11\n"
"#pragma endasm bar\n"
"bbb";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\n\naaa\n\n\n\nbbb\n", actual[""]);
}
void pragma_asm_2()
{
const char filedata[] = "#pragma asm\n"
" mov @w1, 11\n"
"#pragma endasm ( temp=@w1 )\n"
"bbb";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\nasm(temp);\nbbb\n", actual[""]);
}
void endifsemicolon()
{
const char filedata[] = "void f()\n"
"{\n"
"#ifdef A\n"
"#endif;\n"
"}\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("void f()\n"
"{\n"
"\n"
"\n"
"}\n", actual[""]);
}
void handle_error()
{
{
const char filedata[] = "#define A \n"
"#define B don't want to \\\n"
"more text\n"
"void f()\n"
"{\n"
" char a = 'a'; // '\n"
"}\n";
const char expected[] = "\n"
"\n"
"\n"
"void f()\n"
"{\n"
"char a = 'a';\n"
"}\n";
errout.str("");
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
ASSERT_EQUALS(expected, actual[""]);
ASSERT_EQUALS("", errout.str());
}
}
void missing_doublequote()
{
{
const char filedata[] = "#define a\n"
"#ifdef 1\n"
"\"\n"
"#endif\n";
// expand macros..
errout.str("");
const std::string actual(OurPreprocessor::expandMacros(filedata, this));
ASSERT_EQUALS("", actual);
ASSERT_EQUALS("[file.cpp:3]: (error) No pair for character (\"). Can't process file. File is either invalid or unicode, which is currently not supported.\n", errout.str());
}
{
const char filedata[] = "#file \"abc.h\"\n"
"#define a\n"
"\"\n"
"#endfile\n";
// expand macros..
errout.str("");
const std::string actual(OurPreprocessor::expandMacros(filedata, this));
ASSERT_EQUALS("", actual);
ASSERT_EQUALS("[abc.h:2]: (error) No pair for character (\"). Can't process file. File is either invalid or unicode, which is currently not supported.\n", errout.str());
}
{
const char filedata[] = "#file \"abc.h\"\n"
"#define a\n"
"#endfile\n"
"\"\n";
// expand macros..
errout.str("");
const std::string actual(OurPreprocessor::expandMacros(filedata, this));
ASSERT_EQUALS("", actual);
ASSERT_EQUALS("[file.cpp:2]: (error) No pair for character (\"). Can't process file. File is either invalid or unicode, which is currently not supported.\n", errout.str());
}
{
const char filedata[] = "#define A 1\n"
"#define B \"\n"
"int a = A;\n";
// expand macros..
errout.str("");
const std::string actual(OurPreprocessor::expandMacros(filedata, this));
ASSERT_EQUALS("\n\nint a = 1;\n", actual);
ASSERT_EQUALS("", errout.str());
}
{
const char filedata[] = "void foo()\n"
"{\n"
"\n"
"\n"
"\n"
"int a = 0;\n"
"printf(Text\");\n"
"}\n";
// expand macros..
errout.str("");
const std::string actual(OurPreprocessor::expandMacros(filedata, this));
ASSERT_EQUALS("[file.cpp:7]: (error) No pair for character (\"). Can't process file. File is either invalid or unicode, which is currently not supported.\n", errout.str());
}
}
void unicodeInCode()
{
const std::string filedata("a\xC8");
std::istringstream istr(filedata);
ASSERT_THROW(Preprocessor::read(istr), std::runtime_error);
}
void unicodeInComment()
{
const std::string filedata("//\xC8");
std::istringstream istr(filedata.c_str());
ASSERT_EQUALS("", Preprocessor::read(istr));
}
void unicodeInString()
{
const std::string filedata("\"\xC8\"");
std::istringstream istr(filedata.c_str());
ASSERT_EQUALS(filedata, Preprocessor::read(istr));
}
void define_part_of_func()
{
errout.str("");
const char filedata[] = "#define A g(\n"
"void f() {\n"
" A );\n"
" }\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\nvoid f() {\ng( );\n}\n", actual[""]);
ASSERT_EQUALS("", errout.str());
}
void conditionalDefine()
{
const char filedata[] = "#ifdef A\n"
"#define N 10\n"
"#else\n"
"#define N 20\n"
"#endif\n"
"N";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\n\n\n\n20\n", actual[""]);
ASSERT_EQUALS("\n\n\n\n\n10\n", actual["A"]);
ASSERT_EQUALS("", errout.str());
}
void multiline_comment()
{
errout.str("");
const char filedata[] = "#define ABC {// \\\n"
"}\n"
"void f() ABC }\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\nvoid f() { }\n", actual[""]);
ASSERT_EQUALS("", errout.str());
}
void macro_parameters()
{
errout.str("");
const char filedata[] = "#define BC(a, b, c, arg...) \\\n"
"AB(a, b, c, ## arg)\n"
"\n"
"void f()\n"
"{\n"
" BC(3);\n"
"}\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor(0, this);
preprocessor.preprocess(istr, actual, "file.c", std::list<std::string>());
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("", actual[""]);
ASSERT_EQUALS("[file.c:6]: (error) Syntax error. Not enough parameters for macro 'BC'.\n", errout.str());
}
void newline_in_macro()
{
errout.str("");
const char filedata[] = "#define ABC(str) printf( str )\n"
"void f()\n"
"{\n"
" ABC(\"\\n\");\n"
"}\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor(0, this);
preprocessor.preprocess(istr, actual, "file.c", std::list<std::string>());
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\nvoid f()\n{\nprintf(\"\\n\");\n}\n", actual[""]);
ASSERT_EQUALS("", errout.str());
}
void includes()
{
{
std::string src = "#include a.h";
ASSERT_EQUALS(0, OurPreprocessor::getHeaderFileName(src));
ASSERT_EQUALS("", src);
}
{
std::string src = "#include \"b.h\"";
ASSERT_EQUALS(1, OurPreprocessor::getHeaderFileName(src));
ASSERT_EQUALS("b.h", src);
}
{
std::string src = "#include <c.h>";
ASSERT_EQUALS(2, OurPreprocessor::getHeaderFileName(src));
ASSERT_EQUALS("c.h", src);
}
}
void ifdef_ifdefined()
{
const char filedata[] = "#ifdef ABC\n"
"A\n"
"#endif\t\n"
"#if defined ABC\n"
"A\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS("\n\n\n\n\n\n", actual[""]);
ASSERT_EQUALS("\nA\n\n\nA\n\n", actual["ABC"]);
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
}
void define_ifdef()
{
{
const char filedata[] = "#define ABC\n"
"#ifndef ABC\n"
"A\n"
"#else\n"
"B\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS("\n\n\n\nB\n\n", actual[""]);
ASSERT_EQUALS(1, actual.size());
}
{
const char filedata[] = "#define A 1\n"
"#ifdef A\n"
"A\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS("\n\n1\n\n", actual[""]);
ASSERT_EQUALS(1, actual.size());
}
{
const char filedata[] = "#define A 1\n"
"#if A==1\n"
"A\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS("\n\n1\n\n", actual[""]);
ASSERT_EQUALS(1, actual.size());
}
{
const char filedata[] = "#define A 1\n"
"#ifdef A>0\n"
"A\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS("\n\n1\n\n", actual[""]);
ASSERT_EQUALS(1, actual.size());
}
}
void redundant_config()
{
const char filedata[] = "int main() {\n"
"#ifdef FOO\n"
"#ifdef BAR\n"
" std::cout << 1;\n"
"#endif\n"
"#endif\n"
"\n"
"#ifdef BAR\n"
"#ifdef FOO\n"
" std::cout << 2;\n"
"#endif\n"
"#endif\n"
"}\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(4U, actual.size());
ASSERT(actual.find("") != actual.end());
ASSERT(actual.find("BAR") != actual.end());
ASSERT(actual.find("FOO") != actual.end());
ASSERT(actual.find("BAR;FOO") != actual.end());
}
void endfile()
{
const char filedata[] = "char a[] = \"#endfile\";\n"
"char b[] = \"#endfile\";\n"
"#include \"notfound.h\"\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Preprocessor preprocessor;
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS("char a[] = \"#endfile\";\nchar b[] = \"#endfile\";\n\n", actual[""]);
ASSERT_EQUALS(1, actual.size());
}
};
REGISTER_TEST(TestPreprocessor)
