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2541 lines (2132 loc) · 95.9 KB
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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2024 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>
#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();
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);
// remark comment
TEST_CASE(remarkComment1);
TEST_CASE(remarkComment2);
TEST_CASE(remarkComment3);
// 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(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);
TEST_CASE(limitsDefines);
TEST_CASE(hashCalculation);
}
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;
}
std::size_t getHash(const char filedata[]) {
Settings settings;
Preprocessor preprocessor(settings, *this);
std::vector<std::string> files;
std::istringstream istr(filedata);
simplecpp::TokenList tokens(istr,files);
tokens.removeComments();
return preprocessor.calculateHash(tokens, "");
}
void Bug2190219() {
const char filedata[] = "#ifdef __cplusplus\n"
"cpp\n"
"#else\n"
"c\n"
"#endif";
{
// Preprocess => actual result..
const std::map<std::string, std::string> actual = PreprocessorHelper::getcode(settings0, *this, filedata, "file.cpp");
// Compare results..
ASSERT_EQUALS(1U, actual.size());
ASSERT_EQUALS("\ncpp", actual.at(""));
}
{
// Ticket #7102 - skip __cplusplus in C code
// Preprocess => actual result..
const std::map<std::string, std::string> actual = PreprocessorHelper::getcode(settings0, *this, filedata, "file.c");
// Compare results..
ASSERT_EQUALS(1U, actual.size());
ASSERT_EQUALS("\n\n\nc", actual.at(""));
}
}
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() {
const auto settings = dinit(Settings, $.userDefines = "__cplusplus");
const std::string code("#error hello world!\n");
(void)PreprocessorHelper::getcode(settings, *this, 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
{
const auto settings = dinit(Settings, $.userDefines = "TEST");
const std::string code("#file \"ab.h\"\n#error hello world!\n#endfile");
(void)PreprocessorHelper::getcode(settings, *this, code, "TEST", "test.c");
ASSERT_EQUALS("[ab.h:1]: (error) #error hello world!\n", errout_str());
}
// After including a file
{
const auto settings = dinit(Settings, $.userDefines = "TEST");
const std::string code("#file \"ab.h\"\n\n#endfile\n#error aaa");
(void)PreprocessorHelper::getcode(settings, *this, code, "TEST", "test.c");
ASSERT_EQUALS("[test.c:2]: (error) #error aaa\n", errout_str());
}
}
void error5() {
// No message if --force is given
const auto settings = dinit(Settings,
$.userDefines = "TEST",
$.force = true);
const std::string code("#error hello world!\n");
(void)PreprocessorHelper::getcode(settings, *this, 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(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(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..
const std::map<std::string, std::string> actual = PreprocessorHelper::getcode(settings0, *this, filedata);
// Expected configurations: "" and "ABC"
ASSERT_EQUALS(2, actual.size());
ASSERT_EQUALS("\n\n\nint main ( ) { }", actual.at(""));
ASSERT_EQUALS("\n#line 1 \"abc.h\"\nclass A { } ;\n#line 4 \"file.c\"\n int main ( ) { }", actual.at("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..
(void)PreprocessorHelper::getcode(settings0, *this, filedata);
}
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";
(void)PreprocessorHelper::getcode(settings0, *this, filedata);
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";
(void)PreprocessorHelper::getcode(settings0, *this, code);
// 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";
const std::map<std::string, std::string> actual = PreprocessorHelper::getcode(settings0, *this, code);
// 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.at(""));
}
void ticket_4922() { // #4922
const char* code = "__asm__ \n"
"{ int extern __value) 0; (double return (\"\" } extern\n"
"__typeof __finite (__finite) __finite __inline \"__GI___finite\");";
(void)PreprocessorHelper::getcode(settings0, *this, code);
}
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));
}