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cppcheck/test/testpreprocessor.cpp

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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2023 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 "errortypes.h"
#include "path.h"
#include "platform.h"
#include "preprocessor.h"
#include "settings.h"
#include "suppressions.h"
#include "fixture.h"
#include "helpers.h"
#include <cstring>
#include <list>
#include <map>
#include <set>
#include <sstream> // IWYU pragma: keep
#include <string>
#include <vector>
#include <simplecpp.h>
class ErrorLogger;
class TestPreprocessor : public TestFixture {
public:
TestPreprocessor() : TestFixture("TestPreprocessor") {}
class OurPreprocessor : public Preprocessor {
public:
static std::string expandMacros(const char code[], ErrorLogger *errorLogger = nullptr) {
std::istringstream istr(code);
simplecpp::OutputList outputList;
std::vector<std::string> files;
const simplecpp::TokenList tokens1 = simplecpp::TokenList(istr, files, "file.cpp", &outputList);
std::map<std::string, simplecpp::TokenList*> filedata;
simplecpp::TokenList tokens2(files);
simplecpp::preprocess(tokens2, tokens1, files, filedata, simplecpp::DUI(), &outputList);
if (errorLogger) {
const Settings settings;
Preprocessor p(settings, errorLogger);
p.reportOutput(outputList, true);
}
return tokens2.stringify();
}
};
private:
const Settings settings0 = settingsBuilder().severity(Severity::information).build();
Preprocessor preprocessor0{settings0, this};
void run() override {
// The bug that started the whole work with the new preprocessor
TEST_CASE(Bug2190219);
TEST_CASE(error1); // #error => don't extract any code
TEST_CASE(error2); // #error if symbol is not defined
TEST_CASE(error3);
TEST_CASE(error4); // #2919 - wrong filename is reported
TEST_CASE(error5);
TEST_CASE(error6);
TEST_CASE(error7);
TEST_CASE(error8); // #10170 -> previous #if configurations
TEST_CASE(setPlatformInfo);
// 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_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(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/missingIncludeSystem
TEST_CASE(inline_suppressions);
// 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(predefine6); // automatically define __STDC_VERSION__
TEST_CASE(invalidElIf); // #2942 segfault
// Preprocessor::getConfigs
TEST_CASE(getConfigs1);
TEST_CASE(getConfigs2);
TEST_CASE(getConfigs3);
TEST_CASE(getConfigs4);
TEST_CASE(getConfigs5);
TEST_CASE(getConfigs7);
TEST_CASE(getConfigs7a);
TEST_CASE(getConfigs7b);
TEST_CASE(getConfigs7c);
TEST_CASE(getConfigs7d);
TEST_CASE(getConfigs7e);
TEST_CASE(getConfigs8); // #if A==1 => cfg: A=1
TEST_CASE(getConfigs10); // #5139
TEST_CASE(getConfigs11); // #9832 - include guards
TEST_CASE(getConfigsError);
TEST_CASE(getConfigsD1);
TEST_CASE(getConfigsU1);
TEST_CASE(getConfigsU2);
TEST_CASE(getConfigsU3);
TEST_CASE(getConfigsU4);
TEST_CASE(getConfigsU5);
TEST_CASE(getConfigsU6);
TEST_CASE(getConfigsU7);
TEST_CASE(if_sizeof);
TEST_CASE(invalid_ifs); // #5909
TEST_CASE(garbage);
TEST_CASE(wrongPathOnErrorDirective);
TEST_CASE(testDirectiveIncludeTypes);
TEST_CASE(testDirectiveIncludeLocations);
TEST_CASE(testDirectiveIncludeComments);
TEST_CASE(testMissingInclude);
TEST_CASE(testMissingInclude2);
TEST_CASE(testMissingInclude3);
TEST_CASE(testMissingInclude4);
TEST_CASE(testMissingInclude5);
TEST_CASE(testMissingInclude6);
TEST_CASE(testMissingSystemInclude);
TEST_CASE(testMissingSystemInclude2);
TEST_CASE(testMissingSystemInclude3);
TEST_CASE(testMissingSystemInclude4);
TEST_CASE(testMissingSystemInclude5);
TEST_CASE(testMissingIncludeMixed);
TEST_CASE(testMissingIncludeCheckConfig);
}
// TODO: merge with `PreprocessorHelper::getcode()`
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;
simplecpp::TokenList tokens(istr, files, Path::simplifyPath(filename), &outputList);
tokens.removeComments();
preprocessor0.simplifyPragmaAsm(&tokens);
preprocessor0.removeComments();
preprocessor0.setDirectives(tokens);
preprocessor0.reportOutput(outputList, true);
if (Preprocessor::hasErrors(outputList))
return;
const std::set<std::string> configs(preprocessor0.getConfigs(tokens));
for (const std::string & config : configs) {
try {
const std::string &cfgcode = preprocessor0.getcode(tokens, config, files, std::string(code).find("#file") != std::string::npos);
actual[config] = cfgcode;
} catch (const simplecpp::Output &) {
actual[config] = "";
}
}
// Since "files" is a local variable the tracking info must be cleared..
preprocessor0.mMacroUsage.clear();
preprocessor0.mIfCond.clear();
}
std::string getConfigsStr(const char filedata[], const char *arg = nullptr) {
Settings settings;
if (arg && std::strncmp(arg,"-D",2)==0)
settings.userDefines = arg + 2;
if (arg && std::strncmp(arg,"-U",2)==0)
settings.userUndefs.insert(arg+2);
Preprocessor preprocessor(settings, this);
std::vector<std::string> files;
std::istringstream istr(filedata);
simplecpp::TokenList tokens(istr,files);
tokens.removeComments();
const std::set<std::string> configs = preprocessor.getConfigs(tokens);
std::string ret;
for (const std::string & config : configs)
ret += config + '\n';
return ret;
}
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 error1() {
const char filedata[] = "#ifdef A\n"
";\n"
"#else\n"
"#error abcd\n"
"#endif\n";
ASSERT_EQUALS("\nA\n", getConfigsStr(filedata));
}
void error2() {
const char filedata1[] = "#ifndef A\n"
"#error\n"
"#endif\n";
ASSERT_EQUALS("A\n", getConfigsStr(filedata1));
const char filedata2[] = "#if !A\n"
"#error\n"
"#endif\n";
ASSERT_EQUALS("A\n", getConfigsStr(filedata2));
}
void error3() {
errout.str("");
Settings settings;
settings.userDefines = "__cplusplus";
Preprocessor preprocessor(settings, this);
const std::string code("#error hello world!\n");
PreprocessorHelper::getcode(preprocessor, 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");
PreprocessorHelper::getcode(preprocessor, 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");
PreprocessorHelper::getcode(preprocessor, 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");
PreprocessorHelper::getcode(preprocessor, code, "X", "test.c");
ASSERT_EQUALS("", errout.str());
}
void error6() {
const char filedata1[] = "#ifdef A\n"
"#else\n"
"#error 1\n"
"#endif\n"
"#ifdef B\n"
"#else\n"
"#error 2\n"
"#endif\n";
ASSERT_EQUALS("\nA\nA;B\nB\n", getConfigsStr(filedata1));
const char filedata2[] = "#ifndef A\n"
"#error 1\n"
"#endif\n"
"#ifndef B\n"
"#error 2\n"
"#endif\n";
ASSERT_EQUALS("A;B\n", getConfigsStr(filedata2));
const char filedata3[] = "#if !A\n"
"#error 1\n"
"#endif\n"
"#if !B\n"
"#error 2\n"
"#endif\n";
ASSERT_EQUALS("A;B\n", getConfigsStr(filedata3));
}
void error7() { // #8074
const char filedata[] = "#define A\n"
"\n"
"#if defined(B)\n"
"#else\n"
"#error \"1\"\n"
"#endif\n"
"\n"
"#if defined(A)\n"
"#else\n"
"#error \"2\"\n"
"#endif\n";
ASSERT_EQUALS("\nB\n", getConfigsStr(filedata));
}
void error8() {
const char filedata[] = "#ifdef A\n"
"#ifdef B\n"
"#endif\n"
"#else\n"
"#endif\n"
"\n"
"#ifndef C\n"
"#error aa\n"
"#endif";
ASSERT_EQUALS("A;B;C\nA;C\nC\n", getConfigsStr(filedata));
}
void setPlatformInfo() {
// read code with simplecpp..
const char filedata[] = "#if sizeof(long) == 4\n"
"1\n"
"#else\n"
"2\n"
"#endif\n";
std::istringstream istr(filedata);
std::vector<std::string> files;
simplecpp::TokenList tokens(istr, files, "test.c");
// preprocess code with unix32 platform..
{
const Settings settings = settingsBuilder().platform(cppcheck::Platform::Type::Unix32).build();
Preprocessor preprocessor(settings, this);
preprocessor.setPlatformInfo(&tokens);
ASSERT_EQUALS("\n1", preprocessor.getcode(tokens, "", files, false));
}
// preprocess code with unix64 platform..
{
const Settings settings = settingsBuilder().platform(cppcheck::Platform::Type::Unix64).build();
Preprocessor preprocessor(settings, this);
preprocessor.setPlatformInfo(&tokens);
ASSERT_EQUALS("\n\n\n2", preprocessor.getcode(tokens, "", files, false));
}
}
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";
ASSERT_EQUALS("\nABC\n", getConfigsStr(filedata));
}
void includeguard2() {
// Handling include guards..
const char filedata[] = "#file \"abc.h\"\n"
"foo\n"
"#ifdef ABC\n"
"\n"
"#endif\n"
"#endfile\n";
ASSERT_EQUALS("\nABC\n", getConfigsStr(filedata));
}
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, 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";
ASSERT_EQUALS("\n", getConfigsStr(filedata));
}
void if1() {
const char filedata[] = " # if /* comment */ 1 // comment\n"
"ABC\n"
" # endif \n";
ASSERT_EQUALS("\n", getConfigsStr(filedata));
}
void elif() {
{
const char filedata[] = "#if DEF1\n"
"ABC\n"
"#elif DEF2\n"
"DEF\n"
"#endif\n";
ASSERT_EQUALS("\nDEF1\nDEF2\n", getConfigsStr(filedata));
}
{
const char filedata[] = "#if(defined DEF1)\n"
"ABC\n"
"#elif(defined DEF2)\n"
"DEF\n"
"#else\n"
"GHI\n"
"#endif\n";
ASSERT_EQUALS("\nDEF1\nDEF2\n", getConfigsStr(filedata));
}
}
void if_cond1() {
const char filedata[] = "#if LIBVER>100\n"
" A\n"
"#else\n"
" B\n"
"#endif\n";
TODO_ASSERT_EQUALS("\nLIBVER=101\n", "\n", getConfigsStr(filedata));
}
void if_cond2() {
const char filedata[] = "#ifdef A\n"
"a\n"
"#endif\n"
"#if defined(A) && defined(B)\n"
"ab\n"
"#endif\n";
ASSERT_EQUALS("\nA\nA;B\n", getConfigsStr(filedata));
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";
TODO_ASSERT_EQUALS("\nA;B\n", "\nA\nB\n", getConfigsStr(filedata));
}
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";
TODO_ASSERT_EQUALS("\nA\nA;B\n", "\nA\nB\n", getConfigsStr(filedata));
}
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";
ASSERT_EQUALS("\nA\nA;B\nB\n", getConfigsStr(filedata));
}
void if_cond2e() {
const char filedata[] = "#if !defined(A)\n"
"!a\n"
"#elif !defined(B)\n"
"!b\n"
"#endif\n";
ASSERT_EQUALS("\nA\nB\n", getConfigsStr(filedata));
}
void if_cond3() {
const char filedata[] = "#ifdef A\n"
"a\n"
"#if defined(B) && defined(C)\n"
"abc\n"
"#endif\n"
"#endif\n";
ASSERT_EQUALS("\nA\nA;B;C\n", getConfigsStr(filedata));
}
void if_cond4() {
{
const char filedata[] = "#define A\n"
"#define B\n"
"#if defined A || defined B\n"
"ab\n"
"#endif\n";
ASSERT_EQUALS("\n", getConfigsStr(filedata));
}
{
const char filedata[] = "#if A\n"
"{\n"
"#if (defined(B))\n"
"foo();\n"
"#endif\n"
"}\n"
"#endif\n";
ASSERT_EQUALS("\nA\nA;B\n", getConfigsStr(filedata));
}
{
const char filedata[] = "#define A\n"
"#define B\n"
"#if (defined A) || defined (B)\n"
"ab\n"
"#endif\n";
ASSERT_EQUALS("\n", getConfigsStr(filedata));
}
{
const char filedata[] = "#if (A)\n"
"foo();\n"
"#endif\n";
ASSERT_EQUALS("\nA\n", getConfigsStr(filedata));
}
{
const char filedata[] = "#if! A\n"
"foo();\n"
"#endif\n";
ASSERT_EQUALS("\nA=0\n", getConfigsStr(filedata));
}
}
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";
ASSERT_EQUALS("\nA;B\n", getConfigsStr(filedata));
}
void if_cond6() {
const char filedata[] = "\n"
"#if defined(A) && defined(B))\n"
"#endif\n";
ASSERT_EQUALS("\nA;B\n", getConfigsStr(filedata));
}
void if_cond8() {
const char filedata[] = "#if defined(A) + defined(B) + defined(C) != 1\n"
"#endif\n";
TODO_ASSERT_EQUALS("\nA\n", "\nA;B;C\n", getConfigsStr(filedata));
}
void if_cond9() {
const char filedata[] = "#if !defined _A\n"
"abc\n"
"#endif\n";
ASSERT_EQUALS("\n_A\n", getConfigsStr(filedata));
}
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", getConfigsStr(filedata));
}
void if_cond13() {
const char filedata[] = "#if ('A' == 0x41)\n"
"123\n"
"#endif\n";
ASSERT_EQUALS("\n", getConfigsStr(filedata));
}
void if_cond14() {
const char filedata[] = "#if !(A)\n"
"123\n"
"#endif\n";
ASSERT_EQUALS("\n", getConfigsStr(filedata));
}
void if_or_1() {
const char filedata[] = "#if defined(DEF_10) || defined(DEF_11)\n"
"a1;\n"
"#endif\n";
ASSERT_EQUALS("\nDEF_10;DEF_11\n", getConfigsStr(filedata));
}
void if_or_2() {
const char filedata[] = "#if X || Y\n"
"a1;\n"
"#endif\n";
TODO_ASSERT_EQUALS("\nX;Y\n", "\n", getConfigsStr(filedata));
}
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";
ASSERT_EQUALS("\n", getConfigsStr(code));
}
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));
}
{
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 {
// See ticket #4482 - UB when passing NULL to variadic function
ASSERT_EQUALS("\n0", OurPreprocessor::expandMacros("#define null 0\nnull"));
TODO_ASSERT_EQUALS("\nNULL", "\n0", OurPreprocessor::expandMacros("#define NULL 0\nNULL")); // TODO: Let the tokenizer handle NULL?
}
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, 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 ;", PreprocessorHelper::getcode(preprocessor0, 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, 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 {
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, 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, 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, actual.size());
ASSERT_EQUALS("asm ( )\n;\n\naaa\nasm ( ) ;\n\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, actual.size());
ASSERT_EQUALS("asm ( )\n;\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, 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("[file.c:2]: (error) No pair for character ('). Can't process file. File is either invalid or unicode, which is currently not supported.\n", 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, 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, actual.size());
ASSERT_EQUALS("\n\n\n\n\n$20", actual[""]);
ASSERT_EQUALS("\n\n\n\n\n$10", actual["A"]);
ASSERT_EQUALS("", errout.str());
}
void macro_parameters() {
errout.str("");
const char filedata[] = "#define BC(a, b, c, arg...) \\\n"
"AB(a, b, c, ## arg)\n"
"\n"
"void f()\n"
"{\n"
" BC(3);\n"
"}\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, actual.size());
ASSERT_EQUALS("", actual[""]);
ASSERT_EQUALS("[file.c:6]: (error) failed to expand 'BC', Wrong number of parameters for macro 'BC'.\n", errout.str());
}
void newline_in_macro() {
const char filedata[] = "#define ABC(str) printf( str )\n"
"void f()\n"
"{\n"
" ABC(\"\\n\");\n"
"}\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, actual.size());
ASSERT_EQUALS("\nvoid f ( )\n{\n$printf $( \"\\n\" $) ;\n}", actual[""]);
ASSERT_EQUALS("", errout.str());
}
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, actual.size());
}
void define_if1() {
{
const char filedata[] = "#define A 0\n"
"#if A\n"
"FOO\n"
"#endif";
ASSERT_EQUALS("", PreprocessorHelper::getcode(preprocessor0, filedata,"",""));
}
{
const char filedata[] = "#define A 1\n"
"#if A==1\n"
"FOO\n"
"#endif";
ASSERT_EQUALS("\n\nFOO", PreprocessorHelper::getcode(preprocessor0, 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", PreprocessorHelper::getcode(preprocessor0, filedata,"",""));
}
void define_if3() {
const char filedata[] = "#define A 0\n"
"#if (A==0)\n"
"FOO\n"
"#endif";
ASSERT_EQUALS("\n\nFOO", PreprocessorHelper::getcode(preprocessor0, filedata,"",""));
}
void define_if4() {
const char filedata[] = "#define X +123\n"
"#if X==123\n"
"FOO\n"
"#endif";
ASSERT_EQUALS("\n\nFOO", PreprocessorHelper::getcode(preprocessor0, 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", PreprocessorHelper::getcode(preprocessor0, 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", PreprocessorHelper::getcode(preprocessor0, 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", PreprocessorHelper::getcode(preprocessor0, 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 = PreprocessorHelper::getcode(preprocessor0, 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 = PreprocessorHelper::getcode(preprocessor0, 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 ;", PreprocessorHelper::getcode(preprocessor0, filedata, "", "a.cpp"));
ASSERT_EQUALS("\n\n\n\n\n\n$char me ;", PreprocessorHelper::getcode(preprocessor0, 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("", PreprocessorHelper::getcode(preprocessor0, filedata, "", "a.cpp"));
ASSERT_EQUALS("", PreprocessorHelper::getcode(preprocessor0, 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());
ASSERT_EQUALS_MSG(true, (actual.find("A") != actual.end()), "A is expected to be checked but it was not checked");
ASSERT_EQUALS_MSG(true, (actual.find("A;A;B") == actual.end()), "A;A;B is expected to NOT be checked but it was 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_suppressions() {
errout.str("");
Settings settings;
settings.inlineSuppressions = true;
settings.severity.clear();
settings.checks.enable(Checks::missingInclude);
Preprocessor preprocessor(settings, this);
const std::string code("// cppcheck-suppress missingInclude\n"
"#include \"missing.h\"\n"
"// cppcheck-suppress missingIncludeSystem\n"
"#include <missing2.h>\n");
Suppressions inlineSuppr;
PreprocessorHelper::getcode(preprocessor, code, "", "test.c", &inlineSuppr);
auto suppressions = inlineSuppr.getSuppressions();
ASSERT_EQUALS(2, suppressions.size());
auto suppr = suppressions.front();
suppressions.pop_front();
ASSERT_EQUALS("missingInclude", suppr.errorId);
ASSERT_EQUALS("test.c", suppr.fileName);
ASSERT_EQUALS(2, suppr.lineNumber);
ASSERT_EQUALS(false, suppr.checked);
ASSERT_EQUALS(false, suppr.matched);
suppr = suppressions.front();
suppressions.pop_front();
ASSERT_EQUALS("missingIncludeSystem", suppr.errorId);
ASSERT_EQUALS("test.c", suppr.fileName);
ASSERT_EQUALS(4, suppr.lineNumber);
ASSERT_EQUALS(false, suppr.checked);
ASSERT_EQUALS(false, suppr.matched);
}
void predefine1() {
const std::string src("#if defined X || Y\n"
"Fred & Wilma\n"
"#endif\n");
std::string actual = PreprocessorHelper::getcode(preprocessor0, 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 = PreprocessorHelper::getcode(preprocessor0, src, "X=1", "test.c");
ASSERT_EQUALS("", actual);
}
{
std::string actual = PreprocessorHelper::getcode(preprocessor0, 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 = PreprocessorHelper::getcode(preprocessor0, 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 = PreprocessorHelper::getcode(preprocessor0, 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";
ASSERT_EQUALS("", PreprocessorHelper::getcode(preprocessor0, code, "", "test.c"));
ASSERT_EQUALS("\n123", PreprocessorHelper::getcode(preprocessor0, code, "", "test.cpp"));
}
void predefine6() { // automatically define __STDC_VERSION__
const char code[] = "#ifdef __STDC_VERSION__\n123\n#endif";
ASSERT_EQUALS("\n123", PreprocessorHelper::getcode(preprocessor0, code, "", "test.c"));
ASSERT_EQUALS("", PreprocessorHelper::getcode(preprocessor0, code, "", "test.cpp"));
}
void invalidElIf() {
// #2942 - segfault
const char code[] = "#elif (){\n";
const std::string actual = PreprocessorHelper::getcode(preprocessor0, code, "TEST", "test.c");
ASSERT_EQUALS("", actual);
}
void getConfigs1() {
const char filedata[] = "#ifdef WIN32 \n"
" abcdef\n"
"#else \n"
" qwerty\n"
"#endif \n";
ASSERT_EQUALS("\nWIN32\n", getConfigsStr(filedata));
}
void getConfigs2() {
const char filedata[] = "# ifndef WIN32\n"
" \" # ifdef WIN32\" // a comment\n"
" # else \n"
" qwerty\n"
" # endif \n";
ASSERT_EQUALS("\nWIN32\n", getConfigsStr(filedata));
}
void getConfigs3() {
const char filedata[] = "#ifdef ABC\n"
"a\n"
"#ifdef DEF\n"
"b\n"
"#endif\n"
"c\n"
"#endif\n";
ASSERT_EQUALS("\nABC\nABC;DEF\n", getConfigsStr(filedata));
}
void getConfigs4() {
const char filedata[] = "#ifdef ABC\n"
"A\n"
"#endif\t\n"
"#ifdef ABC\n"
"A\n"
"#endif\n";
ASSERT_EQUALS("\nABC\n", getConfigsStr(filedata));
}
void getConfigs5() {
const char filedata[] = "#ifdef ABC\n"
"A\n"
"#else\n"
"B\n"
"#ifdef DEF\n"
"C\n"
"#endif\n"
"#endif\n";
ASSERT_EQUALS("\nABC\nDEF\n", getConfigsStr(filedata));
}
void getConfigs7() {
const char filedata[] = "#ifdef ABC\n"
"A\n"
"#ifdef ABC\n"
"B\n"
"#endif\n"
"#endif\n";
ASSERT_EQUALS("\nABC\n", getConfigsStr(filedata));
}
void getConfigs7a() {
const char filedata[] = "#ifndef ABC\n"
"A\n"
"#ifndef ABC\n"
"B\n"
"#endif\n"
"#endif\n";
ASSERT_EQUALS("\n", getConfigsStr(filedata));
}
void getConfigs7b() {
const char filedata[] = "#ifndef ABC\n"
"A\n"
"#ifdef ABC\n"
"B\n"
"#endif\n"
"#endif\n";
ASSERT_EQUALS("\nABC\n", getConfigsStr(filedata));
}
void getConfigs7c() {
const char filedata[] = "#ifdef ABC\n"
"A\n"
"#ifndef ABC\n"
"B\n"
"#endif\n"
"#endif\n";
ASSERT_EQUALS("\nABC\n", getConfigsStr(filedata));
}
void getConfigs7d() {
const char filedata[] = "#if defined(ABC)\n"
"A\n"
"#if defined(ABC)\n"
"B\n"
"#endif\n"
"#endif\n";
ASSERT_EQUALS("\nABC\n", getConfigsStr(filedata));
}
void getConfigs7e() {
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";
ASSERT_EQUALS("\nABC\n", getConfigsStr(filedata));
}
void getConfigs8() {
const char filedata[] = "#if A == 1\n"
"1\n"
"#endif\n";
ASSERT_EQUALS("\nA=1\n", getConfigsStr(filedata));
}
void getConfigs10() { // Ticket #5139
const char filedata[] = "#define foo a.foo\n"
"#define bar foo\n"
"#define baz bar+0\n"
"#if 0\n"
"#endif";
ASSERT_EQUALS("\n", getConfigsStr(filedata));
}
void getConfigs11() { // #9832 - include guards
const char filedata[] = "#file \"test.h\"\n"
"#if !defined(test_h)\n"
"#define test_h\n"
"123\n"
"#endif\n"
"#endfile\n";
ASSERT_EQUALS("\n", getConfigsStr(filedata));
}
void getConfigsError() {
const char filedata1[] = "#ifndef X\n"
"#error \"!X\"\n"
"#endif\n";
ASSERT_EQUALS("X\n", getConfigsStr(filedata1));
const char filedata2[] = "#ifdef X\n"
"#ifndef Y\n"
"#error \"!Y\"\n"
"#endif\n"
"#endif\n";
ASSERT_EQUALS("\nX;Y\nY\n", getConfigsStr(filedata2));
}
void getConfigsD1() {
const char filedata[] = "#ifdef X\n"
"#else\n"
"#ifdef Y\n"
"#endif\n"
"#endif\n";
ASSERT_EQUALS("\n", getConfigsStr(filedata, "-DX"));
ASSERT_EQUALS("\nX\nY\n", getConfigsStr(filedata));
}
void getConfigsU1() {
const char filedata[] = "#ifdef X\n"
"#endif\n";
ASSERT_EQUALS("\n", getConfigsStr(filedata, "-UX"));
ASSERT_EQUALS("\nX\n", getConfigsStr(filedata));
}
void getConfigsU2() {
const char filedata[] = "#ifndef X\n"
"#endif\n";
ASSERT_EQUALS("\n", getConfigsStr(filedata, "-UX"));
ASSERT_EQUALS("\n", getConfigsStr(filedata)); // no #else
}
void getConfigsU3() {
const char filedata[] = "#ifndef X\n"
"Fred & Wilma\n"
"#else\n"
"Barney & Betty\n"
"#endif\n";
ASSERT_EQUALS("\n", getConfigsStr(filedata, "-UX"));
ASSERT_EQUALS("\nX\n", getConfigsStr(filedata));
}
void getConfigsU4() {
const char filedata[] = "#if defined(X) || defined(Y) || defined(Z)\n"
"#else\n"
"#endif\n";
ASSERT_EQUALS("\nY;Z\n", getConfigsStr(filedata, "-UX"));
ASSERT_EQUALS("\nX;Y;Z\n", getConfigsStr(filedata));
}
void getConfigsU5() {
const char filedata[] = "#if X==1\n"
"#endif\n";
ASSERT_EQUALS("\n", getConfigsStr(filedata, "-UX"));
ASSERT_EQUALS("\nX=1\n", getConfigsStr(filedata));
}
void getConfigsU6() {
const char filedata[] = "#if X==0\n"
"#endif\n";
ASSERT_EQUALS("\nX=0\n", getConfigsStr(filedata, "-UX"));
ASSERT_EQUALS("\nX=0\n", getConfigsStr(filedata));
}
void getConfigsU7() {
const char code[] = "#ifndef Y\n"
"#else\n"
"#endif\n";
ASSERT_EQUALS("\nY\n", getConfigsStr(code, "-DX"));
}
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");
PreprocessorHelper::getcode(preprocessor, 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;
Preprocessor preprocessor(settings0, this);
PreprocessorHelper::getcode(preprocessor, 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;
Preprocessor preprocessor(settings0, this);
PreprocessorHelper::getcode(preprocessor, 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;
Preprocessor preprocessor(settings0, this);
PreprocessorHelper::getcode(preprocessor, filedata, "", "test.c");
preprocessor.dump(ostr);
ASSERT_EQUALS(dumpdata, ostr.str());
}
// test for existing local include
void testMissingInclude() {
Settings settings;
settings.clearIncludeCache = true;
settings.severity.clear();
settings.checks.enable(Checks::missingInclude);
settings.templateFormat = "simple"; // has no effect
setTemplateFormat("simple");
Preprocessor preprocessor(settings, this);
ScopedFile header("header.h", "");
std::string code("#include \"header.h\"");
errout.str("");
PreprocessorHelper::getcode(preprocessor, code, "", "test.c");
ASSERT_EQUALS("", errout.str());
}
// test for missing local include
void testMissingInclude2() {
Settings settings;
settings.clearIncludeCache = true;
settings.severity.clear();
settings.checks.enable(Checks::missingInclude);
settings.templateFormat = "simple"; // has no effect
setTemplateFormat("simple");
Preprocessor preprocessor(settings, this);
std::string code("#include \"header.h\"");
errout.str("");
PreprocessorHelper::getcode(preprocessor, code, "", "test.c");
ASSERT_EQUALS("test.c:1:0: information: Include file: \"header.h\" not found. [missingInclude]\n", errout.str());
}
// test for missing local include - no include path given
void testMissingInclude3() {
Settings settings;
settings.clearIncludeCache = true;
settings.severity.clear();
settings.checks.enable(Checks::missingInclude);
settings.templateFormat = "simple"; // has no effect
setTemplateFormat("simple");
Preprocessor preprocessor(settings, this);
ScopedFile header("header.h", "", "inc");
std::string code("#include \"header.h\"");
errout.str("");
PreprocessorHelper::getcode(preprocessor, code, "", "test.c");
ASSERT_EQUALS("test.c:1:0: information: Include file: \"header.h\" not found. [missingInclude]\n", errout.str());
}
// test for existing local include - include path provided
void testMissingInclude4() {
Settings settings;
settings.clearIncludeCache = true;
settings.severity.clear();
settings.checks.enable(Checks::missingInclude);
settings.includePaths.emplace_back("inc");
settings.templateFormat = "simple"; // has no effect
setTemplateFormat("simple");
Preprocessor preprocessor(settings, this);
ScopedFile header("header.h", "", "inc");
std::string code("#include \"inc/header.h\"");
errout.str("");
PreprocessorHelper::getcode(preprocessor, code, "", "test.c");
ASSERT_EQUALS("", errout.str());
}
// test for existing local include - absolute path
void testMissingInclude5() {
Settings settings;
settings.clearIncludeCache = true;
settings.severity.clear();
settings.checks.enable(Checks::missingInclude);
settings.includePaths.emplace_back("inc");
settings.templateFormat = "simple"; // has no effect
setTemplateFormat("simple");
Preprocessor preprocessor(settings, this);
ScopedFile header("header.h", "", Path::getCurrentPath());
std::string code("#include \"" + header.path() + "\"");
errout.str("");
PreprocessorHelper::getcode(preprocessor, code, "", "test.c");
ASSERT_EQUALS("", errout.str());
}
// test for missing local include - absolute path
void testMissingInclude6() {
Settings settings;
settings.clearIncludeCache = true;
settings.severity.clear();
settings.checks.enable(Checks::missingInclude);
settings.templateFormat = "simple"; // has no effect
setTemplateFormat("simple");
Preprocessor preprocessor(settings, this);
const std::string header = Path::join(Path::getCurrentPath(), "header.h");
std::string code("#include \"" + header + "\"");
errout.str("");
PreprocessorHelper::getcode(preprocessor, code, "", "test.c");
ASSERT_EQUALS("test.c:1:0: information: Include file: \"" + header + "\" not found. [missingInclude]\n", errout.str());
}
// test for missing system include - system includes are not searched for in relative path
void testMissingSystemInclude() {
Settings settings;
settings.clearIncludeCache = true;
settings.severity.clear();
settings.checks.enable(Checks::missingInclude);
settings.templateFormat = "simple"; // has no effect
setTemplateFormat("simple");
Preprocessor preprocessor(settings, this);
ScopedFile header("header.h", "");
std::string code("#include <header.h>");
errout.str("");
PreprocessorHelper::getcode(preprocessor, code, "", "test.c");
ASSERT_EQUALS("test.c:1:0: information: Include file: <header.h> not found. Please note: Cppcheck does not need standard library headers to get proper results. [missingIncludeSystem]\n", errout.str());
}
// test for missing system include
void testMissingSystemInclude2() {
Settings settings;
settings.clearIncludeCache = true;
settings.severity.clear();
settings.checks.enable(Checks::missingInclude);
settings.templateFormat = "simple"; // has no effect
setTemplateFormat("simple");
Preprocessor preprocessor(settings, this);
std::string code("#include <header.h>");
errout.str("");
PreprocessorHelper::getcode(preprocessor, code, "", "test.c");
ASSERT_EQUALS("test.c:1:0: information: Include file: <header.h> not found. Please note: Cppcheck does not need standard library headers to get proper results. [missingIncludeSystem]\n", errout.str());
}
// test for existing system include in system include path
void testMissingSystemInclude3() {
Settings settings;
settings.clearIncludeCache = true;
settings.severity.clear();
settings.checks.enable(Checks::missingInclude);
settings.templateFormat = "simple"; // has no effect
setTemplateFormat("simple");
settings.includePaths.emplace_back("system");
Preprocessor preprocessor(settings, this);
ScopedFile header("header.h", "", "system");
std::string code("#include <header.h>");
errout.str("");
PreprocessorHelper::getcode(preprocessor, code, "", "test.c");
ASSERT_EQUALS("", errout.str());
}
// test for existing system include - absolute path
void testMissingSystemInclude4() {
Settings settings;
settings.clearIncludeCache = true;
settings.severity.clear();
settings.checks.enable(Checks::missingInclude);
settings.includePaths.emplace_back("inc");
settings.templateFormat = "simple"; // has no effect
setTemplateFormat("simple");
Preprocessor preprocessor(settings, this);
ScopedFile header("header.h", "", Path::getCurrentPath());
std::string code("#include <" + header.path() + ">");
errout.str("");
PreprocessorHelper::getcode(preprocessor, code, "", "test.c");
ASSERT_EQUALS("", errout.str());
}
// test for missing system include - absolute path
void testMissingSystemInclude5() {
Settings settings;
settings.clearIncludeCache = true;
settings.severity.clear();
settings.checks.enable(Checks::missingInclude);
settings.templateFormat = "simple"; // has no effect
setTemplateFormat("simple");
Preprocessor preprocessor(settings, this);
const std::string header = Path::join(Path::getCurrentPath(), "header.h");
std::string code("#include <" + header + ">");
errout.str("");
PreprocessorHelper::getcode(preprocessor, code, "", "test.c");
ASSERT_EQUALS("test.c:1:0: information: Include file: <" + header + "> not found. Please note: Cppcheck does not need standard library headers to get proper results. [missingIncludeSystem]\n", errout.str());
}
// test for missing local and system include
void testMissingIncludeMixed() {
Settings settings;
settings.clearIncludeCache = true;
settings.severity.clear();
settings.checks.enable(Checks::missingInclude);
settings.templateFormat = "simple"; // has no effect
setTemplateFormat("simple");
Preprocessor preprocessor(settings, this);
ScopedFile header("header.h", "");
ScopedFile header2("header2.h", "");
std::string code("#include \"missing.h\"\n"
"#include <header.h>\n"
"#include <missing2.h>\n"
"#include \"header2.h\"");
errout.str("");
PreprocessorHelper::getcode(preprocessor, code, "", "test.c");
ASSERT_EQUALS("test.c:1:0: information: Include file: \"missing.h\" not found. [missingInclude]\n"
"test.c:2:0: information: Include file: <header.h> not found. Please note: Cppcheck does not need standard library headers to get proper results. [missingIncludeSystem]\n"
"test.c:3:0: information: Include file: <missing2.h> not found. Please note: Cppcheck does not need standard library headers to get proper results. [missingIncludeSystem]\n", errout.str());
}
void testMissingIncludeCheckConfig() {
Settings settings;
settings.clearIncludeCache = true;
settings.severity.clear();
settings.checks.enable(Checks::missingInclude);
settings.includePaths.emplace_back("system");
settings.templateFormat = "simple"; // has no effect
setTemplateFormat("simple");
Preprocessor preprocessor(settings, this);
ScopedFile header("header.h", "");
ScopedFile header2("header2.h", "");
ScopedFile header3("header3.h", "", "system");
ScopedFile header4("header4.h", "", "inc");
ScopedFile header5("header5.h", "", Path::getCurrentPath());
ScopedFile header6("header6.h", "", Path::getCurrentPath());
const std::string missing3 = Path::join(Path::getCurrentPath(), "missing3.h");
const std::string missing4 = Path::join(Path::getCurrentPath(), "missing4.h");
std::string code("#include \"missing.h\"\n"
"#include <header.h>\n"
"#include <missing2.h>\n"
"#include \"header2.h\"\n"
"#include <header3.h>\n"
"#include \"header4.h\"\n"
"#include \"inc/header4.h\"\n"
"#include \"" + header5.path() + "\"\n"
"#include \"" + missing3 + "\"\n"
"#include <" + header6.path() + ">\n"
"#include <" + missing4 + ">\n");
errout.str("");
PreprocessorHelper::getcode(preprocessor, code, "", "test.c");
ASSERT_EQUALS("test.c:1:0: information: Include file: \"missing.h\" not found. [missingInclude]\n"
"test.c:2:0: information: Include file: <header.h> not found. Please note: Cppcheck does not need standard library headers to get proper results. [missingIncludeSystem]\n"
"test.c:3:0: information: Include file: <missing2.h> not found. Please note: Cppcheck does not need standard library headers to get proper results. [missingIncludeSystem]\n"
"test.c:6:0: information: Include file: \"header4.h\" not found. [missingInclude]\n"
"test.c:9:0: information: Include file: \"" + missing3 + "\" not found. [missingInclude]\n"
"test.c:11:0: information: Include file: <" + missing4 + "> not found. Please note: Cppcheck does not need standard library headers to get proper results. [missingIncludeSystem]\n", errout.str());
}
};
REGISTER_TEST(TestPreprocessor)
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