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cppcheck/test/testpreprocessor.cpp

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/*
* 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/>.
*/
// 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 "settings.h"
#include "simplecpp.h"
#include <map>
#include <string>
#include <set>
class TestPreprocessor : public TestFixture {
public:
TestPreprocessor()
: TestFixture("TestPreprocessor")
, preprocessor0(settings0, this) {
}
class OurPreprocessor : public Preprocessor {
public:
static std::string expandMacros(const char code[], ErrorLogger *errorLogger = 0) {
std::istringstream istr(code);
simplecpp::OutputList outputList;
std::vector<std::string> files;
const simplecpp::TokenList tokens1 = simplecpp::TokenList(istr, files, "file.cpp", &outputList);
const std::map<std::string, simplecpp::TokenList*> filedata;
const simplecpp::TokenList tokens2 = simplecpp::preprocess(tokens1, files, filedata, simplecpp::DUI(), &outputList);
if (errorLogger) {
for (simplecpp::OutputList::const_iterator it = outputList.begin(); it != outputList.end(); ++it) {
const simplecpp::Output &msg = *it;
if (msg.type == simplecpp::Output::ERROR) {
std::list<ErrorLogger::ErrorMessage::FileLocation> locationList;
ErrorLogger::ErrorMessage::FileLocation loc(msg.location.file(), msg.location.line);
locationList.push_back(loc);
errorLogger->reportErr(ErrorLogger::ErrorMessage(locationList,
Severity::error,
msg.msg,
"preprocessorError",
false));
}
}
}
return tokens2.stringify();
}
static int getHeaderFileName(std::string &str) {
return Preprocessor::getHeaderFileName(str);
}
};
private:
Settings settings0;
Preprocessor preprocessor0;
void run() {
// 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(test7);
TEST_CASE(test7a);
TEST_CASE(test7b);
TEST_CASE(test7c);
TEST_CASE(test7d);
TEST_CASE(test7e);
TEST_CASE(test8); // #if A==1 => cfg: A=1
TEST_CASE(test9); // Don't crash for invalid code
TEST_CASE(test10); // Ticket #5139
TEST_CASE(error1); // #error => don't extract any code
TEST_CASE(error3);
TEST_CASE(error4); // #2919 - wrong filename is reported
TEST_CASE(error5);
// Handling include guards (don't create extra configuration for it)
TEST_CASE(includeguard1);
TEST_CASE(includeguard2);
TEST_CASE(if0);
TEST_CASE(if1);
TEST_CASE(elif);
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_cond8);
TEST_CASE(if_cond9);
TEST_CASE(if_cond10);
TEST_CASE(if_cond11);
TEST_CASE(if_cond12);
TEST_CASE(if_cond13);
TEST_CASE(if_cond14);
TEST_CASE(if_cond15); // #4456 - segfault
TEST_CASE(if_or_1);
TEST_CASE(if_or_2);
TEST_CASE(if_macro_eq_macro); // #3536
TEST_CASE(ticket_3675);
TEST_CASE(ticket_3699);
TEST_CASE(ticket_4922); // #4922
// 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(macro_simple14);
TEST_CASE(macro_simple15);
TEST_CASE(macro_simple16); // #4703: Macro parameters not trimmed
TEST_CASE(macro_simple17); // #5074: isExpandedMacro not set
TEST_CASE(macro_simple18); // (1e-7)
TEST_CASE(macroInMacro1);
TEST_CASE(macroInMacro2);
TEST_CASE(macro_linenumbers);
TEST_CASE(macro_nopar);
TEST_CASE(macro_incdec); // separate ++ and -- with space when expanding such macro: '#define M(X) A-X'
TEST_CASE(macro_switchCase);
TEST_CASE(macro_NULL); // skip #define NULL .. it is replaced in the tokenizer
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(va_args_1);
//TEST_CASE(va_args_2); invalid code
TEST_CASE(va_args_3);
TEST_CASE(va_args_4);
TEST_CASE(va_args_5);
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(dup_defines);
TEST_CASE(define_part_of_func);
TEST_CASE(conditionalDefine);
TEST_CASE(macro_parameters);
TEST_CASE(newline_in_macro);
TEST_CASE(includes);
TEST_CASE(ifdef_ifdefined);
// define and then ifdef
TEST_CASE(define_if1);
TEST_CASE(define_if2);
TEST_CASE(define_if3);
TEST_CASE(define_if4); // #4079 - #define X +123
TEST_CASE(define_if5); // #4516 - #define B (A & 0x00f0)
TEST_CASE(define_if6); // #4863 - #define B (A?-1:1)
TEST_CASE(define_ifdef);
TEST_CASE(define_ifndef1);
TEST_CASE(define_ifndef2);
TEST_CASE(ifndef_define);
TEST_CASE(undef_ifdef);
TEST_CASE(endfile);
TEST_CASE(redundant_config);
TEST_CASE(invalid_define_1); // #2605 - hang for: '#define ='
TEST_CASE(invalid_define_2); // #4036 - hang for: '#define () {(int f(x) }'
// inline suppression, missingInclude
TEST_CASE(inline_suppression_for_missing_include);
// Using -D to predefine symbols
TEST_CASE(predefine1);
TEST_CASE(predefine2);
TEST_CASE(predefine3);
TEST_CASE(predefine4);
TEST_CASE(predefine5); // automatically define __cplusplus
TEST_CASE(invalidElIf); // #2942 segfault
// Using -U to undefine symbols
TEST_CASE(undef1);
TEST_CASE(undef2);
TEST_CASE(undef3);
TEST_CASE(undef4);
TEST_CASE(undef5);
TEST_CASE(undef6);
TEST_CASE(undef7);
TEST_CASE(undef9);
TEST_CASE(validateCfg);
TEST_CASE(if_sizeof);
TEST_CASE(invalid_ifs); // #5909
TEST_CASE(garbage);
TEST_CASE(wrongPathOnErrorDirective);
TEST_CASE(testDirectiveIncludeTypes);
TEST_CASE(testDirectiveIncludeLocations);
TEST_CASE(testDirectiveIncludeComments);
}
void preprocess(const char* code, std::map<std::string, std::string>& actual, const char filename[] = "file.c") {
errout.str("");
std::istringstream istr(code);
simplecpp::OutputList outputList;
std::vector<std::string> files;
const simplecpp::TokenList tokens(istr, files, filename, &outputList);
const std::set<std::string> configs(preprocessor0.getConfigs(tokens));
for (std::set<std::string>::const_iterator it = configs.begin(); it != configs.end(); ++it) {
try {
const std::string &cfgcode = preprocessor0.getcode(tokens, *it, files, std::string(code).find("#file") != std::string::npos);
actual[*it] = cfgcode;
} catch (...) {
}
}
}
void Bug2190219() {
const char filedata[] = "#ifdef __cplusplus\n"
"cpp\n"
"#else\n"
"c\n"
"#endif";
{
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual, "file.cpp");
// Compare results..
ASSERT_EQUALS(1U, actual.size());
ASSERT_EQUALS("\ncpp", actual[""]);
}
{
// Ticket #7102 - skip __cplusplus in C code
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual, "file.c");
// Compare results..
ASSERT_EQUALS(1U, actual.size());
ASSERT_EQUALS("\n\n\nc", actual[""]);
}
}
void test1() {
const char filedata[] = "#ifdef WIN32 \n"
" abcdef\n"
"#else \n"
" qwerty\n"
"#endif \n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\n\nqwerty", actual[""]);
ASSERT_EQUALS("\nabcdef", actual["WIN32"]);
}
void test2() {
const char filedata[] = "# ifndef WIN32\n"
" \" # ifdef WIN32\" // a comment\n"
" # else \n"
" qwerty\n"
" # endif \n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(2U, actual.size());
ASSERT_EQUALS("\n\" # ifdef WIN32\"", actual[""]);
ASSERT_EQUALS("\n\n\nqwerty", actual["WIN32"]);
}
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::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(3, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("", actual[""]);
ASSERT_EQUALS("\na\n\n\n\nc", actual["ABC"]);
ASSERT_EQUALS("\na\n\nb\n\nc", actual["ABC;DEF"]);
}
void test4() {
const char filedata[] = "#ifdef ABC\n"
"A\n"
"#endif\t\n"
"#ifdef ABC\n"
"A\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("", actual[""]);
ASSERT_EQUALS("\nA\n\n\nA", actual["ABC"]);
}
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::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(3, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\n\nB", actual[""]);
ASSERT_EQUALS("\nA", actual["ABC"]);
ASSERT_EQUALS("\n\n\nB\n\nC", actual["DEF"]);
}
void test7() {
const char filedata[] = "#ifdef ABC\n"
"A\n"
"#ifdef ABC\n"
"B\n"
"#endif\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Make sure an error message is written..
TODO_ASSERT_EQUALS("[file.c:3]: (error) ABC is already guaranteed to be defined\n",
"",
errout.str());
// Compare results..
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("", actual[""]);
ASSERT_EQUALS("\nA\n\nB", actual["ABC"]);
test7a();
test7b();
test7c();
test7d();
}
void test7a() {
const char filedata[] = "#ifndef ABC\n"
"A\n"
"#ifndef ABC\n"
"B\n"
"#endif\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Make sure an error message is written..
TODO_ASSERT_EQUALS("[file.c:3]: (error) ABC is already guaranteed NOT to be defined\n",
"", errout.str());
// Compare results..
// TODO Preprocessor::getConfigs ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
}
void test7b() {
const char filedata[] = "#ifndef ABC\n"
"A\n"
"#ifdef ABC\n"
"B\n"
"#endif\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Make sure an error message is written..
TODO_ASSERT_EQUALS("[file.c:3]: (error) ABC is already guaranteed NOT to be defined\n",
"", errout.str());
// Compare results..
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
}
void test7c() {
const char filedata[] = "#ifdef ABC\n"
"A\n"
"#ifndef ABC\n"
"B\n"
"#endif\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Make sure an error message is written..
TODO_ASSERT_EQUALS("[file.c:3]: (error) ABC is already guaranteed to be defined\n",
"",
errout.str());
// Compare results..
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
}
void test7d() {
const char filedata[] = "#if defined(ABC)\n"
"A\n"
"#if defined(ABC)\n"
"B\n"
"#endif\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Make sure an error message is written..
TODO_ASSERT_EQUALS("[file.c:3]: (error) ABC is already guaranteed to be defined\n",
"",
errout.str());
// Compare results..
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
}
void test7e() {
const char filedata[] = "#ifdef ABC\n"
"#file \"test.h\"\n"
"#ifndef test_h\n"
"#define test_h\n"
"#ifdef ABC\n"
"#endif\n"
"#endif\n"
"#endfile\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Make sure an error message is written..
ASSERT_EQUALS("", errout.str());
// Compare results..
ASSERT_EQUALS(2U, actual.size());
}
void test8() {
const char filedata[] = "#if A == 1\n"
"1\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// No error..
ASSERT_EQUALS("", errout.str());
// Compare results..
ASSERT_EQUALS(2U, actual.size());
ASSERT_EQUALS("", actual[""]);
ASSERT_EQUALS("\n1", actual["A=1"]);
}
void test9() {
const char filedata[] = "#if\n"
"#else\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Settings settings;
settings.maxConfigs = 1;
settings.userDefines = "X";
Preprocessor preprocessor(settings, this);
preprocessor.preprocess(istr, actual, "file.c"); // <- don't crash
}
void test10() { // Ticket #5139
const char filedata[] = "#define foo a.foo\n"
"#define bar foo\n"
"#define baz bar+0\n"
"#if 0\n"
"#endif";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
}
void error1() {
const char filedata[] = "#ifdef A\n"
";\n"
"#else\n"
"#error abcd\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("", actual[""]);
ASSERT_EQUALS("\n;", actual["A"]);
}
void error3() {
errout.str("");
Settings settings;
settings.userDefines = "__cplusplus";
Preprocessor preprocessor(settings, this);
const std::string code("#error hello world!\n");
preprocessor.getcode(code, "X", "test.c");
ASSERT_EQUALS("[test.c:1]: (error) #error hello world!\n", errout.str());
}
// Ticket #2919 - wrong filename reported for #error
void error4() {
// In included file
{
errout.str("");
Settings settings;
settings.userDefines = "TEST";
Preprocessor preprocessor(settings, this);
const std::string code("#file \"ab.h\"\n#error hello world!\n#endfile");
preprocessor.getcode(code, "TEST", "test.c");
ASSERT_EQUALS("[ab.h:1]: (error) #error hello world!\n", errout.str());
}
// After including a file
{
errout.str("");
Settings settings;
settings.userDefines = "TEST";
Preprocessor preprocessor(settings, this);
const std::string code("#file \"ab.h\"\n\n#endfile\n#error aaa");
preprocessor.getcode(code, "TEST", "test.c");
ASSERT_EQUALS("[test.c:2]: (error) #error aaa\n", errout.str());
}
}
void error5() {
errout.str("");
Settings settings;
settings.userDefines = "FOO";
settings.force = true; // No message if --force is given
Preprocessor preprocessor(settings, this);
const std::string code("#error hello world!\n");
preprocessor.getcode(code, "X", "test.c");
ASSERT_EQUALS("", errout.str());
}
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::map<std::string, std::string> actual;
preprocess(filedata, actual);
// 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::map<std::string, std::string> actual;
preprocess(filedata, actual);
// 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::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Expected configurations: "" and "ABC"
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\n\nint main ( ) { }", actual[""]);
ASSERT_EQUALS("\n#line 1 \"abc.h\"\nclass A { } ;\n#line 4 \"file.c\"\n int main ( ) { }", actual["ABC"]);
}
void if0() {
const char filedata[] = " # if /* comment */ 0 // comment\n"
"#ifdef WIN32\n"
"#endif\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("", actual[""]);
}
void if1() {
const char filedata[] = " # if /* comment */ 1 // comment\n"
"ABC\n"
" # endif \n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\nABC", actual[""]);
}
void elif() {
{
const char filedata[] = "#if DEF1\n"
"ABC\n"
"#elif DEF2\n"
"DEF\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(3, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("", actual[""]);
ASSERT_EQUALS("\nABC", actual["DEF1"]);
ASSERT_EQUALS("\n\n\nDEF", actual["DEF2"]);
}
{
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::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(3, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\n\n\n\nGHI", actual[""]);
ASSERT_EQUALS("\nABC", actual["DEF1"]);
ASSERT_EQUALS("\n\n\nDEF", actual["DEF2"]);
}
}
void if_cond1() {
const char filedata[] = "#if LIBVER>100\n"
" A\n"
"#else\n"
" B\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n"
"\n"
"\n"
"B", actual[""]);
TODO_ASSERT_EQUALS("A", "", 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::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(3, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("", actual[""]);
ASSERT_EQUALS("\na", actual["A"]);
ASSERT_EQUALS("\na\n\n\nab", actual["A;B"]);
if_cond2b();
if_cond2c();
if_cond2d();
if_cond2e();
}
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::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(3, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n! a", actual[""]);
ASSERT_EQUALS("\n\n\n\n\n\na", actual["A"]);
ASSERT_EQUALS("\n! a\n\nb", 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::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(3, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n! a\n\n\n\n! b", actual[""]);
ASSERT_EQUALS("\n\n\n\n\n\n\n\na", actual["A"]);
ASSERT_EQUALS("\n! a\n\nb", 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::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(4, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n! a\n\n\n\n! b", actual[""]);
ASSERT_EQUALS("\n\n\n\n\n\n\n\na\n\n\n\n! b", actual["A"]);
ASSERT_EQUALS("\n\n\n\n\n\n\n\na\n\nb", actual["A;B"]);
ASSERT_EQUALS("\n! a\n\nb", actual["B"]);
}
void if_cond2e() {
const char filedata[] = "#if !defined(A)\n"
"!a\n"
"#elif !defined(B)\n"
"!b\n"
"#endif\n";
// Preprocess => actual result..
errout.str("");
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Settings settings;
settings.debug = settings.debugwarnings = true;
Preprocessor preprocessor(settings, this);
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
TODO_ASSERT_EQUALS(3U, 1U, actual.size());
ASSERT_EQUALS("\n! a", actual[""]);
TODO_ASSERT_EQUALS("\n\n\n! b", "", actual["A"]);
ASSERT_EQUALS("", actual["A;B"]);
ASSERT_EQUALS("", errout.str());
}
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::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(3, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("", actual[""]);
ASSERT_EQUALS("\na", actual["A"]);
ASSERT_EQUALS("\na\n\nabc", 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::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\n\nab", actual[""]);
}
{
const char filedata[] = "#if A\n"
"{\n"
"#if (defined(B))\n"
"foo();\n"
"#endif\n"
"}\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(3, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("", actual[""]);
ASSERT_EQUALS("\n{\n\n\n\n}", actual["A"]);
ASSERT_EQUALS("\n{\n\nfoo ( ) ;\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::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\n\nab", actual[""]);
}
{
const char filedata[] = "#if (A)\n"
"foo();\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("", actual[""]);
ASSERT_EQUALS("\nfoo ( ) ;", actual["A"]);
}
{
const char filedata[] = "#if! A\n"
"foo();\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
TODO_ASSERT_EQUALS(2, 1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\nfoo ( ) ;", 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::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\n\ncd", actual[""]);
ASSERT_EQUALS("\nab\n\ncd\n\nef", actual["A;B"]);
}
void if_cond6() {
const char filedata[] = "\n"
"#if defined(A) && defined(B))\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
// TODO ASSERT_EQUALS("[file.c:2]: (error) mismatching number of '(' and ')' in this line: defined(A)&&defined(B))\n", errout.str());
}
void if_cond8() {
const char filedata[] = "#if defined(A) + defined(B) + defined(C) != 1\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
// TODO Preprocessor::getConfig ASSERT_EQUALS(1U, actual.size());
ASSERT_EQUALS("", actual[""]);
}
void if_cond9() {
const char filedata[] = "#if !defined _A\n"
"abc\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, (int)actual.size());
ASSERT_EQUALS("\nabc", actual[""]);
}
void if_cond10() {
const char filedata[] = "#if !defined(a) && !defined(b)\n"
"#if defined(and)\n"
"#endif\n"
"#endif\n";
// Preprocess => don't crash..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
}
void if_cond11() {
const char filedata[] = "#if defined(L_fixunssfdi) && LIBGCC2_HAS_SF_MODE\n"
"#if LIBGCC2_HAS_DF_MODE\n"
"#elif FLT_MANT_DIG < W_TYPE_SIZE\n"
"#endif\n"
"#endif\n";
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
ASSERT_EQUALS("", errout.str());
}
void if_cond12() {
const char filedata[] = "#define A (1)\n"
"#if A == 1\n"
";\n"
"#endif\n";
ASSERT_EQUALS("\n\n;", preprocessor0.getcode(filedata,"",""));
}
void if_cond13() {
const char filedata[] = "#if ('A' == 0x41)\n"
"123\n"
"#endif\n";
ASSERT_EQUALS("\n123", preprocessor0.getcode(filedata,"",""));
}
void if_cond14() {
const char filedata[] = "#if !(A)\n"
"123\n"
"#endif\n";
ASSERT_EQUALS("\n123", preprocessor0.getcode(filedata,"",""));
}
void if_cond15() { // #4456 - segmentation fault
const char filedata[] = "#if ((A >= B) && (C != D))\n"
"#if (E < F(1))\n"
"#endif\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual); // <- don't crash in Preprocessor::getcfgs -> Tokenize -> number of template parameters
}
void if_or_1() {
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 = settings.debugwarnings = true;
settings.addEnabled("missingInclude");
Preprocessor preprocessor(settings, this);
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(2U, actual.size());
ASSERT_EQUALS("", actual[""]);
// the "defined(DEF_10) || defined(DEF_11)" are not handled correctly..
ASSERT_EQUALS(2U, actual.size());
ASSERT_EQUALS("\na1 ;", actual["DEF_10;DEF_11"]);
}
void if_or_2() {
const std::string code("#if X || Y\n"
"a1;\n"
"#endif\n");
ASSERT_EQUALS("\na1 ;", preprocessor0.getcode(code, "X", "test.c"));
ASSERT_EQUALS("\na1 ;", preprocessor0.getcode(code, "Y", "test.c"));
}
void if_macro_eq_macro() {
const char* code = "#define A B\n"
"#define B 1\n"
"#define C 1\n"
"#if A == C\n"
"Wilma\n"
"#else\n"
"Betty\n"
"#endif\n";
std::map<std::string, std::string> actual;
preprocess(code, actual);
ASSERT_EQUALS("\n\n\n\nWilma", actual[""]);
}
void ticket_3675() {
const char* code = "#ifdef YYSTACKSIZE\n"
"#define YYMAXDEPTH YYSTACKSIZE\n"
"#else\n"
"#define YYSTACKSIZE YYMAXDEPTH\n"
"#endif\n"
"#if YYDEBUG\n"
"#endif\n";
std::map<std::string, std::string> actual;
preprocess(code, actual);
// There's nothing to assert. It just needs to not hang.
}
void ticket_3699() {
const char* code = "#define INLINE __forceinline\n"
"#define inline __forceinline\n"
"#define __forceinline inline\n"
"#if !defined(_WIN32)\n"
"#endif\n"
"INLINE inline __forceinline\n";
std::map<std::string, std::string> actual;
preprocess(code, actual);
// First, it must not hang. Second, inline must becomes inline, and __forceinline must become __forceinline.
ASSERT_EQUALS("\n\n\n\n\n$__forceinline $inline $__forceinline", actual[""]);
}
void ticket_4922() { // #4922
const char* code = "__asm__ \n"
"{ int extern __value) 0; (double return (\"\" } extern\n"
"__typeof __finite (__finite) __finite __inline \"__GI___finite\");";
std::map<std::string, std::string> actual;
preprocess(code, actual);
}
void macro_simple1() const {
{
const char filedata[] = "#define AAA(aa) f(aa)\n"
"AAA(5);\n";
ASSERT_EQUALS("\nf ( 5 ) ;", OurPreprocessor::expandMacros(filedata));
}
{
const char filedata[] = "#define AAA(aa) f(aa)\n"
"AAA (5);\n";
ASSERT_EQUALS("\nf ( 5 ) ;", OurPreprocessor::expandMacros(filedata));
}
}
void macro_simple2() const {
const char filedata[] = "#define min(x,y) x<y?x:y\n"
"min(a(),b());\n";
ASSERT_EQUALS("\na ( ) < b ( ) ? a ( ) : b ( ) ;", OurPreprocessor::expandMacros(filedata));
}
void macro_simple3() const {
const char filedata[] = "#define A 4\n"
"A AA\n";
ASSERT_EQUALS("\n4 AA", OurPreprocessor::expandMacros(filedata));
}
void macro_simple4() const {
const char filedata[] = "#define TEMP_1 if( temp > 0 ) return 1;\n"
"TEMP_1\n";
ASSERT_EQUALS("\nif ( temp > 0 ) return 1 ;", OurPreprocessor::expandMacros(filedata));
}
void macro_simple5() const {
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{\nint temp = 0 ;\nif ( temp > 0 ) return 1 ;\n}", OurPreprocessor::expandMacros(filedata));
}
void macro_simple6() const {
const char filedata[] = "#define ABC (a+b+c)\n"
"ABC\n";
ASSERT_EQUALS("\n( a + b + c )", OurPreprocessor::expandMacros(filedata));
}
void macro_simple7() const {
const char filedata[] = "#define ABC(str) str\n"
"ABC(\"(\")\n";
ASSERT_EQUALS("\n\"(\"", OurPreprocessor::expandMacros(filedata));
}
void macro_simple8() const {
const char filedata[] = "#define ABC 123\n"
"#define ABCD 1234\n"
"ABC ABCD\n";
ASSERT_EQUALS("\n\n123 1234", OurPreprocessor::expandMacros(filedata));
}
void macro_simple9() const {
const char filedata[] = "#define ABC(a) f(a)\n"
"ABC( \"\\\"\" );\n"
"ABC( \"g\" );\n";
ASSERT_EQUALS("\nf ( \"\\\"\" ) ;\nf ( \"g\" ) ;", OurPreprocessor::expandMacros(filedata));
}
void macro_simple10() const {
const char filedata[] = "#define ABC(t) t x\n"
"ABC(unsigned long);\n";
ASSERT_EQUALS("\nunsigned long x ;", OurPreprocessor::expandMacros(filedata));
}
void macro_simple11() const {
const char filedata[] = "#define ABC(x) delete x\n"
"ABC(a);\n";
ASSERT_EQUALS("\ndelete a ;", OurPreprocessor::expandMacros(filedata));
}
void macro_simple12() const {
const char filedata[] = "#define AB ab.AB\n"
"AB.CD\n";
ASSERT_EQUALS("\nab . AB . CD", OurPreprocessor::expandMacros(filedata));
}
void macro_simple13() const {
const char filedata[] = "#define TRACE(x)\n"
"TRACE(;if(a))\n";
ASSERT_EQUALS("", OurPreprocessor::expandMacros(filedata));
}
void macro_simple14() const {
const char filedata[] = "#define A \" a \"\n"
"printf(A);\n";
ASSERT_EQUALS("\nprintf ( \" a \" ) ;", OurPreprocessor::expandMacros(filedata));
}
void macro_simple15() const {
const char filedata[] = "#define FOO\"foo\"\n"
"FOO\n";
ASSERT_EQUALS("\n\"foo\"", OurPreprocessor::expandMacros(filedata));
}
void macro_simple16() const { // # 4703
const char filedata[] = "#define MACRO( A, B, C ) class A##B##C##Creator {};\n"
"MACRO( B\t, U , G )";
ASSERT_EQUALS("\nclass BUGCreator { } ;", OurPreprocessor::expandMacros(filedata));
}
void macro_simple17() const { // # 5074 - the Token::isExpandedMacro() doesn't always indicate properly if token comes from macro
// It would probably be OK if the generated code was
// "\n123+$123" since the first 123 comes from the source code
const char filedata[] = "#define MACRO(A) A+123\n"
"MACRO(123)";
ASSERT_EQUALS("\n123 + 123", OurPreprocessor::expandMacros(filedata));
}
void macro_simple18() const { // (1e-7)
const char filedata1[] = "#define A (1e-7)\n"
"a=A;";
ASSERT_EQUALS("\na = ( 1e-7 ) ;", OurPreprocessor::expandMacros(filedata1));
const char filedata2[] = "#define A (1E-7)\n"
"a=A;";
ASSERT_EQUALS("\na = ( 1E-7 ) ;", OurPreprocessor::expandMacros(filedata2));
const char filedata3[] = "#define A (1e+7)\n"
"a=A;";
ASSERT_EQUALS("\na = ( 1e+7 ) ;", OurPreprocessor::expandMacros(filedata3));
const char filedata4[] = "#define A (1.e+7)\n"
"a=A;";
ASSERT_EQUALS("\na = ( 1.e+7 ) ;", OurPreprocessor::expandMacros(filedata4));
const char filedata5[] = "#define A (1.7f)\n"
"a=A;";
ASSERT_EQUALS("\na = ( 1.7f ) ;", OurPreprocessor::expandMacros(filedata5));
const char filedata6[] = "#define A (.1)\n"
"a=A;";
ASSERT_EQUALS("\na = ( .1 ) ;", OurPreprocessor::expandMacros(filedata6));
const char filedata7[] = "#define A (1.)\n"
"a=A;";
ASSERT_EQUALS("\na = ( 1. ) ;", OurPreprocessor::expandMacros(filedata7));
const char filedata8[] = "#define A (8.0E+007)\n"
"a=A;";
ASSERT_EQUALS("\na = ( 8.0E+007 ) ;", OurPreprocessor::expandMacros(filedata8));
}
void macroInMacro1() const {
{
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 ++ ;", OurPreprocessor::expandMacros(filedata));
}
{
const char filedata[] = "#define A B\n"
"#define B 3\n"
"A\n";
ASSERT_EQUALS("\n\n3", OurPreprocessor::expandMacros(filedata));
}
{
/* TODO: What to do here? since there are syntax error simplecpp outputs ""
const char filedata[] = "#define BC(b, c...) 0##b * 0##c\n"
"#define ABC(a, b...) a + BC(b)\n"
"\n"
"ABC(1);\n" // <- too few parameters
"ABC(2,3);\n"
"ABC(4,5,6);\n";
ASSERT_EQUALS("\n\n\n1 + 0 * 0;\n2 + 03 * 0;\n4 + 05 * 06;", OurPreprocessor::expandMacros(filedata));
*/
}
{
const char filedata[] = "#define A 4\n"
"#define B(a) a,A\n"
"B(2);\n";
ASSERT_EQUALS("\n\n2 , 4 ;", OurPreprocessor::expandMacros(filedata));
}
{
const char filedata[] = "#define A(x) (x)\n"
"#define B )A(\n"
"#define C )A(\n";
ASSERT_EQUALS("", 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 ) ;", OurPreprocessor::expandMacros(filedata));
}
{
const char filedata[] = "#define foo foo\n"
"foo\n";
ASSERT_EQUALS("\nfoo", 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 ) ; }", OurPreprocessor::expandMacros(filedata));
}
{
const char filedata[] =
"#define B(x) (\n"
"#define A() B(xx)\n"
"B(1) A() ) )\n";
ASSERT_EQUALS("\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 ;", OurPreprocessor::expandMacros(filedata));
}
{
const char filedata[] =
"#define PTR1 (\n"
"PTR1 PTR1\n";
ASSERT_EQUALS("\n( (", OurPreprocessor::expandMacros(filedata));
}
}
void macroInMacro2() const {
const char filedata[] = "#define A(x) a##x\n"
"#define B 0\n"
"A(B)\n";
ASSERT_EQUALS("\n\naB", OurPreprocessor::expandMacros(filedata));
}
void macro_linenumbers() const {
const char filedata[] = "#define AAA(a)\n"
"AAA(5\n"
"\n"
")\n"
"int a;\n";
ASSERT_EQUALS("\n"
"\n"
"\n"
"\n"
"int a ;",
OurPreprocessor::expandMacros(filedata));
}
void macro_nopar() const {
const char filedata[] = "#define AAA( ) { NULL }\n"
"AAA()\n";
ASSERT_EQUALS("\n{ NULL }", OurPreprocessor::expandMacros(filedata));
}
void macro_incdec() const {
const char filedata[] = "#define M1(X) 1+X\n"
"#define M2(X) 2-X\n"
"M1(+1) M2(-1)\n";
ASSERT_EQUALS("\n\n1 + + 1 2 - - 1", OurPreprocessor::expandMacros(filedata));
}
void macro_switchCase() const {
{
// 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 ; } ;", 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 ;", 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 ; ;", 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 ; ;", 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 ; ;", OurPreprocessor::expandMacros(filedata));
}
}
void macro_NULL() const {
// Let the tokenizer handle NULL.
// See ticket #4482 - UB when passing NULL to variadic function
ASSERT_EQUALS("\n0", OurPreprocessor::expandMacros("#define null 0\nnull"));
// TODO ASSERT_EQUALS("\nNULL", OurPreprocessor::expandMacros("#define NULL 0\nNULL"));
}
void string1() {
const char filedata[] = "int main()"
"{"
" const char *a = \"#define A\";"
"}\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("int main ( ) { const char * a = \"#define A\" ; }", actual[""]);
}
void string2() const {
const char filedata[] = "#define AAA 123\n"
"str = \"AAA\"\n";
// Compare results..
ASSERT_EQUALS("\nstr = \"AAA\"", OurPreprocessor::expandMacros(filedata));
}
void string3() const {
const char filedata[] = "str(\";\");\n";
// Compare results..
ASSERT_EQUALS("str ( \";\" ) ;", 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 ;", 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 ;", preprocessor0.getcode(filedata, "", ""));
}
}
void defdef() const {
const char filedata[] = "#define AAA 123\n"
"#define AAA 456\n"
"#define AAA 789\n"
"AAA\n";
// Compare results..
ASSERT_EQUALS("\n\n\n789", OurPreprocessor::expandMacros(filedata));
}
void preprocessor_doublesharp() const {
// simple testcase without ##
const char filedata1[] = "#define TEST(var,val) var = val\n"
"TEST(foo,20);\n";
ASSERT_EQUALS("\nfoo = 20 ;", 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 ;", 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", 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", 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", OurPreprocessor::expandMacros(filedata5));
// Ticket #1802
const char filedata6[] = "#define AB_(A,B) A ## B\n"
"#define AB(A,B) AB_(A,B)\n"
"#define ab(suf) AB(X, AB_(_, suf))\n"
"#define X x\n"
"ab(y)\n";
ASSERT_EQUALS("\n\n\n\nx_y", OurPreprocessor::expandMacros(filedata6));
}
void preprocessor_include_in_str() {
const char filedata[] = "int main()\n"
"{\n"
"const char *a = \"#include <string>\";\n"
"return 0;\n"
"}\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("int main ( )\n{\nconst char * a = \"#include <string>\" ;\nreturn 0 ;\n}", actual[""]);
}
void va_args_1() const {
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 ) ;", actual);
}
/*
void va_args_2() const {
const char filedata[] = "#define DBG(fmt, args...) printf(fmt, ## args)\n"
"DBG(\"hello\");\n";
// Preprocess..
std::string actual = OurPreprocessor::expandMacros(filedata);
// invalid code ASSERT_EQUALS("\nprintf ( \"hello\" ) ;", actual);
}
*/
void va_args_3() const {
const char filedata[] = "#define FRED(...) { fred(__VA_ARGS__); }\n"
"FRED(123)\n";
ASSERT_EQUALS("\n{ fred ( 123 ) ; }", OurPreprocessor::expandMacros(filedata));
}
void va_args_4() const {
const char filedata[] = "#define FRED(name, ...) name (__VA_ARGS__)\n"
"FRED(abc, 123)\n";
ASSERT_EQUALS("\nabc ( 123 )", OurPreprocessor::expandMacros(filedata));
}
void va_args_5() {
const char filedata1[] = "#define A(...) #__VA_ARGS__\n"
"A(123)\n";
ASSERT_EQUALS("\n\"123\"", OurPreprocessor::expandMacros(filedata1));
const char filedata2[] = "#define A(X,...) X(#__VA_ARGS__)\n"
"A(f,123)\n";
ASSERT_EQUALS("\nf ( \"123\" )", OurPreprocessor::expandMacros(filedata2));
}
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::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\nint main ( )\n{\nif ( $'ABCD' == 0 ) ;\nreturn 0 ;\n}", actual[""]);
}
void stringify() const {
const char filedata[] = "#define STRINGIFY(x) #x\n"
"STRINGIFY(abc)\n";
// expand macros..
std::string actual = OurPreprocessor::expandMacros(filedata);
ASSERT_EQUALS("\n\"abc\"", actual);
}
void stringify2() const {
const char filedata[] = "#define A(x) g(#x)\n"
"A(abc);\n";
// expand macros..
std::string actual = OurPreprocessor::expandMacros(filedata);
ASSERT_EQUALS("\ng ( \"abc\" ) ;", actual);
}
void stringify3() const {
const char filedata[] = "#define A(x) g(#x)\n"
"A( abc);\n";
// expand macros..
std::string actual = OurPreprocessor::expandMacros(filedata);
ASSERT_EQUALS("\ng ( \"abc\" ) ;", actual);
}
void stringify4() const {
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 \"abc\"\n\n2", actual);
}
void stringify5() const {
const char filedata[] = "#define A(x) a(#x,x)\n"
"A(foo(\"\\\"\"))\n";
ASSERT_EQUALS("\na ( \"foo(\"\\\"\")\" , foo ( \"\\\"\" ) )", OurPreprocessor::expandMacros(filedata));
}
void pragma() {
const char filedata[] = "#pragma once\n"
"void f()\n"
"{\n"
"}\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\nvoid f ( )\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::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\nasm();\n\naaa\n\nasm();\n\nbbb", 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::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\nasm();\n\nbbb", actual[""]);
}
void endifsemicolon() {
const char filedata[] = "void f() {\n"
"#ifdef A\n"
"#endif;\n"
"}\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
const std::string expected("void f ( ) {\n\n\n}");
ASSERT_EQUALS(expected, actual[""]);
ASSERT_EQUALS(expected, actual["A"]);
}
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";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
ASSERT_EQUALS("", 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("", 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[] = "void foo()\n"
"{\n"
"\n"
"\n"
"\n"
"int a = 0;\n"
"printf(Text\");\n"
"}\n";
// expand macros..
errout.str("");
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 define_part_of_func() {
const char filedata[] = "#define A g(\n"
"void f() {\n"
" A );\n"
" }\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\nvoid f ( ) {\n$g $( ) ;\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::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\n\n\n\n$20", actual[""]);
ASSERT_EQUALS("\n\n\n\n\n$10", actual["A"]);
ASSERT_EQUALS("", errout.str());
}
void macro_parameters() {
errout.str("");
const char filedata[] = "#define BC(a, b, c, arg...) \\\n"
"AB(a, b, c, ## arg)\n"
"\n"
"void f()\n"
"{\n"
" BC(3);\n"
"}\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("", actual[""]);
ASSERT_EQUALS("[file.c:6]: (error) Syntax error. Wrong number of parameters for macro 'BC'.\n", errout.str());
}
void newline_in_macro() {
const char filedata[] = "#define ABC(str) printf( str )\n"
"void f()\n"
"{\n"
" ABC(\"\\n\");\n"
"}\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\nvoid f ( )\n{\n$printf $( \"\\n\" $) ;\n}", actual[""]);
ASSERT_EQUALS("", errout.str());
}
void includes() const {
{
std::string src = "#include a.h";
ASSERT_EQUALS(OurPreprocessor::NoHeader, OurPreprocessor::getHeaderFileName(src));
ASSERT_EQUALS("", src);
}
{
std::string src = "#include \"b.h\"";
ASSERT_EQUALS(OurPreprocessor::UserHeader, OurPreprocessor::getHeaderFileName(src));
ASSERT_EQUALS("b.h", src);
}
{
std::string src = "#include <c.h>";
ASSERT_EQUALS(OurPreprocessor::SystemHeader, OurPreprocessor::getHeaderFileName(src));
ASSERT_EQUALS("c.h", src);
}
{
std::string src = "#include \"d/d.h\"";
ASSERT_EQUALS(OurPreprocessor::UserHeader, OurPreprocessor::getHeaderFileName(src));
ASSERT_EQUALS("d/d.h", src);
}
{
std::string src = "#include \"e\\e.h\"";
ASSERT_EQUALS(OurPreprocessor::UserHeader, OurPreprocessor::getHeaderFileName(src));
ASSERT_EQUALS("e/e.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::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS("", actual[""]);
ASSERT_EQUALS("\nA\n\n\nA", actual["ABC"]);
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
}
void define_if1() {
{
const char filedata[] = "#define A 0\n"
"#if A\n"
"FOO\n"
"#endif";
ASSERT_EQUALS("", preprocessor0.getcode(filedata,"",""));
}
{
const char filedata[] = "#define A 1\n"
"#if A==1\n"
"FOO\n"
"#endif";
ASSERT_EQUALS("\n\nFOO", preprocessor0.getcode(filedata,"",""));
}
}
void define_if2() {
const char filedata[] = "#define A 22\n"
"#define B A\n"
"#if (B==A) || (B==C)\n"
"FOO\n"
"#endif";
ASSERT_EQUALS("\n\n\nFOO", preprocessor0.getcode(filedata,"",""));
}
void define_if3() {
const char filedata[] = "#define A 0\n"
"#if (A==0)\n"
"FOO\n"
"#endif";
ASSERT_EQUALS("\n\nFOO", preprocessor0.getcode(filedata,"",""));
}
void define_if4() {
const char filedata[] = "#define X +123\n"
"#if X==123\n"
"FOO\n"
"#endif";
ASSERT_EQUALS("\n\nFOO", preprocessor0.getcode(filedata,"",""));
}
void define_if5() { // #4516 - #define B (A & 0x00f0)
{
const char filedata[] = "#define A 0x0010\n"
"#define B (A & 0x00f0)\n"
"#if B==0x0010\n"
"FOO\n"
"#endif";
ASSERT_EQUALS("\n\n\nFOO", preprocessor0.getcode(filedata,"",""));
}
{
const char filedata[] = "#define A 0x00f0\n"
"#define B (16)\n"
"#define C (B & A)\n"
"#if C==0x0010\n"
"FOO\n"
"#endif";
ASSERT_EQUALS("\n\n\n\nFOO", preprocessor0.getcode(filedata,"",""));
}
{
const char filedata[] = "#define A (1+A)\n" // don't hang for recursive macros
"#if A==1\n"
"FOO\n"
"#endif";
ASSERT_EQUALS("\n\nFOO", preprocessor0.getcode(filedata,"",""));
}
}
void define_if6() { // #4516 - #define B (A?1:-1)
const char filedata[] = "#ifdef A\n"
"#define B (A?1:-1)\n"
"#endif\n"
"\n"
"#if B < 0\n"
"123\n"
"#endif\n"
"\n"
"#if B >= 0\n"
"456\n"
"#endif\n";
const std::string actualA0 = preprocessor0.getcode(filedata, "A=0", "test.c");
ASSERT_EQUALS(true, actualA0.find("123") != std::string::npos);
ASSERT_EQUALS(false, actualA0.find("456") != std::string::npos);
const std::string actualA1 = preprocessor0.getcode(filedata, "A=1", "test.c");
ASSERT_EQUALS(false, actualA1.find("123") != std::string::npos);
ASSERT_EQUALS(true, actualA1.find("456") != std::string::npos);
}
void define_ifdef() {
{
const char filedata[] = "#define ABC\n"
"#ifndef ABC\n"
"A\n"
"#else\n"
"B\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, (int)actual.size());
ASSERT_EQUALS("\n\n\n\nB", actual[""]);
}
{
const char filedata[] = "#define A 1\n"
"#ifdef A\n"
"A\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, (int)actual.size());
ASSERT_EQUALS("\n\n$1", actual[""]);
}
{
const char filedata[] = "#define A 1\n"
"#if A==1\n"
"A\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, (int)actual.size());
ASSERT_EQUALS("\n\n$1", actual[""]);
}
{
const char filedata[] = "#define A 1\n"
"#if A>0\n"
"A\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, (int)actual.size());
ASSERT_EQUALS("\n\n$1", actual[""]);
}
{
const char filedata[] = "#define A 1\n"
"#if 0\n"
"#undef A\n"
"#endif\n"
"A\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, (int)actual.size());
ASSERT_EQUALS("\n\n\n\n$1", actual[""]);
}
}
void define_ifndef1() {
const char filedata[] = "#define A(x) (x)\n"
"#ifndef A\n"
";\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1U, actual.size());
ASSERT_EQUALS("", actual[""]);
}
void define_ifndef2() {
const char filedata[] = "#ifdef A\n"
"#define B char\n"
"#endif\n"
"#ifndef B\n"
"#define B int\n"
"#endif\n"
"B me;\n";
// Preprocess => actual result..
ASSERT_EQUALS("\n\n\n\n\n\n$int me ;", preprocessor0.getcode(filedata, "", "a.cpp"));
ASSERT_EQUALS("\n\n\n\n\n\n$char me ;", preprocessor0.getcode(filedata, "A", "a.cpp"));
}
void ifndef_define() {
const char filedata[] = "#ifndef A\n"
"#define A(x) x\n"
"#endif\n"
"A(123);";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
ASSERT_EQUALS(1U, actual.size());
ASSERT_EQUALS("\n\n\n123 ;", actual[""]);
}
void undef_ifdef() {
const char filedata[] = "#undef A\n"
"#ifdef A\n"
"123\n"
"#endif\n";
// Preprocess => actual result..
ASSERT_EQUALS("", preprocessor0.getcode(filedata, "", "a.cpp"));
ASSERT_EQUALS("", preprocessor0.getcode(filedata, "A", "a.cpp"));
}
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::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(4, (int)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::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS("char a [ ] = \"#endfile\" ;\nchar b [ ] = \"#endfile\" ;", actual[""]);
ASSERT_EQUALS(1, (int)actual.size());
}
void dup_defines() {
const char filedata[] = "#ifdef A\n"
"#define B\n"
"#if defined(B) && defined(A)\n"
"a\n"
"#else\n"
"b\n"
"#endif\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// B will always be defined if A is defined; the following test
// cases should be fixed whenever this other bug is fixed
ASSERT_EQUALS(2U, actual.size());
if (actual.find("A") == actual.end()) {
ASSERT_EQUALS("A is checked", "failed");
} else {
ASSERT_EQUALS("A is checked", "A is checked");
}
if (actual.find("A;A;B") != actual.end()) {
ASSERT_EQUALS("A;A;B is NOT checked", "failed");
} else {
ASSERT_EQUALS("A;A;B is NOT checked", "A;A;B is NOT checked");
}
}
void invalid_define_1() {
std::map<std::string, std::string> actual;
preprocess("#define =\n", actual); // don't hang
}
void invalid_define_2() { // #4036
std::map<std::string, std::string> actual;
preprocess("#define () {(int f(x) }\n", actual); // don't hang
}
void inline_suppression_for_missing_include() {
Preprocessor::missingIncludeFlag = false;
Settings settings;
settings.inlineSuppressions = true;
settings.addEnabled("all");
Preprocessor preprocessor(settings, this);
std::istringstream src("// cppcheck-suppress missingInclude\n"
"#include \"missing.h\"\n"
"int x;");
std::string processedFile;
std::list<std::string> cfg;
std::list<std::string> paths;
// Don't report that the include is missing
errout.str("");
preprocessor.preprocess(src, processedFile, cfg, "test.c", paths);
ASSERT_EQUALS("", errout.str());
ASSERT_EQUALS(false, Preprocessor::missingIncludeFlag);
}
void predefine1() {
const std::string src("#if defined X || Y\n"
"Fred & Wilma\n"
"#endif\n");
std::string actual = preprocessor0.getcode(src, "X=1", "test.c");
ASSERT_EQUALS("\nFred & Wilma", actual);
}
void predefine2() {
const std::string src("#if defined(X) && Y\n"
"Fred & Wilma\n"
"#endif\n");
{
std::string actual = preprocessor0.getcode(src, "X=1", "test.c");
ASSERT_EQUALS("", actual);
}
{
std::string actual = preprocessor0.getcode(src, "X=1;Y=2", "test.c");
ASSERT_EQUALS("\nFred & Wilma", actual);
}
}
void predefine3() {
// #2871 - define in source is not used if -D is used
const char code[] = "#define X 1\n"
"#define Y X\n"
"#if (X == Y)\n"
"Fred & Wilma\n"
"#endif\n";
const std::string actual = preprocessor0.getcode(code, "TEST", "test.c");
ASSERT_EQUALS("\n\n\nFred & Wilma", actual);
}
void predefine4() {
// #3577
const char code[] = "char buf[X];\n";
const std::string actual = preprocessor0.getcode(code, "X=123", "test.c");
ASSERT_EQUALS("char buf [ $123 ] ;", actual);
}
void predefine5() { // #3737, #5119 - automatically define __cplusplus
// #3737...
const char code[] = "#ifdef __cplusplus\n123\n#endif";
Settings settings;
ASSERT_EQUALS("", preprocessor0.getcode(code, "X=123", "test.c"));
ASSERT_EQUALS("\n123", preprocessor0.getcode(code, "X=123", "test.cpp"));
}
void invalidElIf() {
// #2942 - segfault
const char code[] = "#elif (){\n";
const std::string actual = preprocessor0.getcode(code, "TEST", "test.c");
ASSERT_EQUALS("", actual);
}
void undef1() {
Settings settings;
const char filedata[] = "#ifdef X\n"
"Fred & Wilma\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
settings.userUndefs.insert("X");
Preprocessor preprocessor(settings, this);
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(1U, actual.size());
ASSERT_EQUALS("", actual[""]);
}
void undef2() {
Settings settings;
const char filedata[] = "#ifndef X\n"
"Fred & Wilma\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
settings.userUndefs.insert("X");
Preprocessor preprocessor(settings, this);
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(1U, actual.size());
ASSERT_EQUALS("\nFred & Wilma", actual[""]);
}
void undef3() {
Settings settings;
const char filedata[] = "#define X\n"
"#ifdef X\n"
"Fred & Wilma\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
settings.userUndefs.insert("X"); // User undefs should override internal defines
Preprocessor preprocessor(settings, this);
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(1U, actual.size());
ASSERT_EQUALS("", actual[""]);
}
void undef4() {
Settings settings;
const char filedata[] = "#define X Y\n"
"#ifdef X\n"
"Fred & Wilma\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
settings.userUndefs.insert("X"); // User undefs should override internal defines
Preprocessor preprocessor(settings, this);
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(1U, actual.size());
ASSERT_EQUALS("", actual[""]);
}
void undef5() {
Settings settings;
const char filedata[] = "#define X() Y\n"
"#ifdef X\n"
"Fred & Wilma\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
settings.userUndefs.insert("X"); // User undefs should override internal defines
Preprocessor preprocessor(settings, this);
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(1U, actual.size());
ASSERT_EQUALS("", actual[""]);
}
void undef6() {
Settings settings;
const char filedata[] = "#define X Y\n"
"#ifdef X\n"
"Fred & Wilma\n"
"#else\n"
"Barney & Betty\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
settings.userUndefs.insert("X"); // User undefs should override internal defines
Preprocessor preprocessor(settings, this);
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(1U, actual.size());
ASSERT_EQUALS("\n\n\n\nBarney & Betty", actual[""]);
}
void undef7() {
Settings settings;
const char filedata[] = "#define X XDefined\n"
"X;\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
settings.userUndefs.insert("X"); // User undefs should override internal defines
Preprocessor preprocessor(settings, this);
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(1U, actual.size());
ASSERT_EQUALS("\nX ;", actual[""]);
}
void undef9() {
Settings settings;
const char filedata[] = "#define X Y\n"
"#ifndef X\n"
"Fred & Wilma\n"
"#else\n"
"Barney & Betty\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
settings.userUndefs.insert("X"); // User undefs should override internal defines
Preprocessor preprocessor(settings, this);
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(1U, actual.size());
ASSERT_EQUALS("\n\nFred & Wilma", actual[""]);
}
void validateCfg() {
Settings settings;
Preprocessor preprocessor(settings, this);
ASSERT_EQUALS(true, preprocessor.validateCfg("", "X=42")); // don't hang when parsing cfg
ASSERT_EQUALS(false, preprocessor.validateCfg("int y=Y;", "X=42;Y"));
ASSERT_EQUALS(false, preprocessor.validateCfg("int x=X;", "X"));
ASSERT_EQUALS(false, preprocessor.validateCfg("X=1;", "X"));
ASSERT_EQUALS(true, preprocessor.validateCfg("int x=X;", "Y"));
ASSERT_EQUALS(true, preprocessor.validateCfg("FOO_DEBUG()", "DEBUG"));
ASSERT_EQUALS(true, preprocessor.validateCfg("\"DEBUG()\"", "DEBUG"));
ASSERT_EQUALS(true, preprocessor.validateCfg("\"\\\"DEBUG()\"", "DEBUG"));
ASSERT_EQUALS(false, preprocessor.validateCfg("\"DEBUG()\" DEBUG", "DEBUG"));
ASSERT_EQUALS(true, preprocessor.validateCfg("#undef DEBUG", "DEBUG"));
// #4301:
// #ifdef A
// int a = A; // <- using macro. must use -D so "A" will get a proper value
errout.str("");
settings.addEnabled("all");
preprocessor.setFile0("test.c");
ASSERT_EQUALS(false, preprocessor.validateCfg("int a=A;", "A"));
ASSERT_EQUALS("[test.c:1]: (information) Skipping configuration 'A' since the value of 'A' is unknown. Use -D if you want to check it. You can use -U to skip it explicitly.\n", errout.str());
// #4949:
// #ifdef A
// a |= A; // <- using macro. must use -D so "A" will get a proper value
errout.str("");
Settings settings1;
settings = settings1;
ASSERT_EQUALS("", preprocessor.getcode("if (x) a|=A;", "A", "test.c"));
ASSERT_EQUALS("", errout.str());
settings.addEnabled("information");
ASSERT_EQUALS("", preprocessor.getcode("if (x) a|=A;", "A", "test.c"));
ASSERT_EQUALS("[test.c:1]: (information) Skipping configuration 'A' since the value of 'A' is unknown. Use -D if you want to check it. You can use -U to skip it explicitly.\n", errout.str());
}
void if_sizeof() { // #4071
static const char* code = "#if sizeof(unsigned short) == 2\n"
"Fred & Wilma\n"
"#elif sizeof(unsigned short) == 4\n"
"Fred & Wilma\n"
"#else\n"
"#endif";
std::map<std::string, std::string> actual;
preprocess(code, actual);
ASSERT_EQUALS("\nFred & Wilma", actual[""]);
}
void invalid_ifs() {
const char filedata[] = "#ifdef\n"
"#endif\n"
"#ifdef !\n"
"#endif\n"
"#if defined\n"
"#endif\n"
"#define f(x) x\n"
"#if f(2\n"
"#endif\n"
"int x;\n";
// Preprocess => don't crash..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
}
void garbage() {
const char filedata[] = "V\n"
"#define X b #endif #line 0 \"x\" ;\n"
"#if ! defined ( Y ) #endif";
// Preprocess => don't crash..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
}
void wrongPathOnErrorDirective() {
errout.str("");
Settings settings;
settings.userDefines = "foo";
Preprocessor preprocessor(settings, this);
const std::string code("#error hello world!\n");
preprocessor.getcode(code, "X", "./././test.c");
ASSERT_EQUALS("[test.c:1]: (error) #error hello world!\n", errout.str());
}
void testDirectiveIncludeTypes() {
const char filedata[] = "#define macro some definition\n"
"#undef macro\n"
"#ifdef macro\n"
"#elif some (complex) condition\n"
"#else\n"
"#endif\n"
"#if some other condition\n"
"#pragma some proprietary content\n"
"#\n" /* may appear in old C code */
"#ident some text\n" /* may appear in old C code */
"#unknownmacro some unpredictable text\n"
"#warning some warning message\n"
"#error some error message\n";
const char dumpdata[] = " <directivelist>\n"
" <directive file=\"test.c\" linenr=\"1\" str=\"#define macro some definition\"/>\n"
" <directive file=\"test.c\" linenr=\"2\" str=\"#undef macro\"/>\n"
" <directive file=\"test.c\" linenr=\"3\" str=\"#ifdef macro\"/>\n"
" <directive file=\"test.c\" linenr=\"4\" str=\"#elif some (complex) condition\"/>\n"
" <directive file=\"test.c\" linenr=\"5\" str=\"#else\"/>\n"
" <directive file=\"test.c\" linenr=\"6\" str=\"#endif\"/>\n"
" <directive file=\"test.c\" linenr=\"7\" str=\"#if some other condition\"/>\n"
" <directive file=\"test.c\" linenr=\"8\" str=\"#pragma some proprietary content\"/>\n"
" <directive file=\"test.c\" linenr=\"9\" str=\"#\"/>\n"
" <directive file=\"test.c\" linenr=\"10\" str=\"#ident some text\"/>\n"
" <directive file=\"test.c\" linenr=\"11\" str=\"#unknownmacro some unpredictable text\"/>\n"
" <directive file=\"test.c\" linenr=\"12\" str=\"#warning some warning message\"/>\n"
" <directive file=\"test.c\" linenr=\"13\" str=\"#error some error message\"/>\n"
" </directivelist>\n";
std::ostringstream ostr;
Settings settings;
Preprocessor preprocessor(settings, this);
preprocessor.getcode(filedata, "", "test.c");
preprocessor.dump(ostr);
ASSERT_EQUALS(dumpdata, ostr.str());
}
void testDirectiveIncludeLocations() {
const char filedata[] = "#define macro1 val\n"
"#file \"inc1.h\"\n"
"#define macro2 val\n"
"#file \"inc2.h\"\n"
"#define macro3 val\n"
"#endfile\n"
"#define macro4 val\n"
"#endfile\n"
"#define macro5 val\n";
const char dumpdata[] = " <directivelist>\n"
" <directive file=\"test.c\" linenr=\"1\" str=\"#define macro1 val\"/>\n"
" <directive file=\"test.c\" linenr=\"2\" str=\"#include &quot;inc1.h&quot;\"/>\n"
" <directive file=\"inc1.h\" linenr=\"1\" str=\"#define macro2 val\"/>\n"
" <directive file=\"inc1.h\" linenr=\"2\" str=\"#include &quot;inc2.h&quot;\"/>\n"
" <directive file=\"inc2.h\" linenr=\"1\" str=\"#define macro3 val\"/>\n"
" <directive file=\"inc1.h\" linenr=\"3\" str=\"#define macro4 val\"/>\n"
" <directive file=\"test.c\" linenr=\"3\" str=\"#define macro5 val\"/>\n"
" </directivelist>\n";
std::ostringstream ostr;
Settings settings;
Preprocessor preprocessor(settings, this);
preprocessor.getcode(filedata, "", "test.c");
preprocessor.dump(ostr);
ASSERT_EQUALS(dumpdata, ostr.str());
}
void testDirectiveIncludeComments() {
const char filedata[] = "#ifdef macro2 /* this will be removed */\n"
"#else /* this will be removed too */\n"
"#endif /* this will also be removed */\n";
const char dumpdata[] = " <directivelist>\n"
" <directive file=\"test.c\" linenr=\"1\" str=\"#ifdef macro2\"/>\n"
" <directive file=\"test.c\" linenr=\"2\" str=\"#else\"/>\n"
" <directive file=\"test.c\" linenr=\"3\" str=\"#endif\"/>\n"
" </directivelist>\n";
std::ostringstream ostr;
Settings settings;
Preprocessor preprocessor(settings, this);
preprocessor.getcode(filedata, "", "test.c");
preprocessor.dump(ostr);
ASSERT_EQUALS(dumpdata, ostr.str());
}
};
REGISTER_TEST(TestPreprocessor)
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