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cppcheck/test/testpreprocessor.cpp

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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2016 Cppcheck team.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
// The preprocessor that Cppcheck uses is a bit special. Instead of generating
// the code for a known configuration, it generates the code for each configuration.
#include "testsuite.h"
#include "preprocessor.h"
#include "tokenize.h"
#include "token.h"
#include "settings.h"
#include <map>
#include <string>
#include <set>
class TestPreprocessor : public TestFixture {
public:
TestPreprocessor()
: TestFixture("TestPreprocessor")
, preprocessor0(settings0, this) {
}
class OurPreprocessor : public Preprocessor {
public:
static std::string replaceIfDefined(std::string str) {
Settings settings;
Preprocessor p(settings);
p.replaceIfDefined(str);
return str;
}
static std::string expandMacros(const char code[], ErrorLogger *errorLogger = 0) {
return Preprocessor::expandMacros(code, "file.cpp", "", errorLogger);
}
static int getHeaderFileName(std::string &str) {
return Preprocessor::getHeaderFileName(str);
}
};
private:
Settings settings0;
Preprocessor preprocessor0;
void run() {
// Just read the code into a string. Perform simple cleanup of the code
TEST_CASE(readCode1);
TEST_CASE(readCode2); // #4308 - convert C++11 raw string to plain old C string
TEST_CASE(readCode3);
TEST_CASE(readCode4); // #4351 - escaped whitespace in gcc
TEST_CASE(readCode5); // #7042 - C++14 digit separators
// reading utf-16 file
TEST_CASE(utf16);
// remove comments
TEST_CASE(removeComments);
// The bug that started the whole work with the new preprocessor
TEST_CASE(Bug2190219);
TEST_CASE(test1);
TEST_CASE(test2);
TEST_CASE(test3);
TEST_CASE(test4);
TEST_CASE(test5);
TEST_CASE(test6);
TEST_CASE(test7);
TEST_CASE(test7a);
TEST_CASE(test7b);
TEST_CASE(test7c);
TEST_CASE(test7d);
TEST_CASE(test7e);
TEST_CASE(test8); // #if A==1 => cfg: A=1
TEST_CASE(test9); // Don't crash for invalid code
TEST_CASE(test10); // Ticket #5139
TEST_CASE(error1); // #error => don't extract any code
TEST_CASE(error2); // #error with extended chars
TEST_CASE(error3);
TEST_CASE(error4); // #2919 - wrong filename is reported
TEST_CASE(error5);
TEST_CASE(if0_exclude);
TEST_CASE(if0_whitespace);
TEST_CASE(if0_else);
TEST_CASE(if0_elif);
// Don't handle include in a #if 0 block
TEST_CASE(if0_include_1);
TEST_CASE(if0_include_2);
// Handling include guards (don't create extra configuration for it)
TEST_CASE(includeguard1);
TEST_CASE(includeguard2);
TEST_CASE(newlines);
TEST_CASE(comments1);
TEST_CASE(if0);
TEST_CASE(if1);
TEST_CASE(elif);
// Test the Preprocessor::match_cfg_def
TEST_CASE(match_cfg_def);
TEST_CASE(if_cond1);
TEST_CASE(if_cond2);
TEST_CASE(if_cond3);
TEST_CASE(if_cond4);
TEST_CASE(if_cond5);
TEST_CASE(if_cond6);
TEST_CASE(if_cond8);
TEST_CASE(if_cond9);
TEST_CASE(if_cond10);
TEST_CASE(if_cond11);
TEST_CASE(if_cond12);
TEST_CASE(if_cond13);
TEST_CASE(if_cond14);
TEST_CASE(if_cond15); // #4456 - segfault
TEST_CASE(if_or_1);
TEST_CASE(if_or_2);
TEST_CASE(if_macro_eq_macro); // #3536
TEST_CASE(ticket_3675);
TEST_CASE(ticket_3699);
TEST_CASE(ticket_4922); // #4922
TEST_CASE(multiline1);
TEST_CASE(multiline2);
TEST_CASE(multiline3);
TEST_CASE(multiline4);
TEST_CASE(multiline5);
TEST_CASE(remove_asm);
TEST_CASE(if_defined); // "#if defined(AAA)" => "#ifdef AAA"
TEST_CASE(if_not_defined); // "#if !defined(AAA)" => "#ifndef AAA"
// Macros..
TEST_CASE(macro_simple1);
TEST_CASE(macro_simple2);
TEST_CASE(macro_simple3);
TEST_CASE(macro_simple4);
TEST_CASE(macro_simple5);
TEST_CASE(macro_simple6);
TEST_CASE(macro_simple7);
TEST_CASE(macro_simple8);
TEST_CASE(macro_simple9);
TEST_CASE(macro_simple10);
TEST_CASE(macro_simple11);
TEST_CASE(macro_simple12);
TEST_CASE(macro_simple13);
TEST_CASE(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_mismatch);
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);
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(pragma_once);
TEST_CASE(endifsemicolon);
TEST_CASE(missing_doublequote);
TEST_CASE(handle_error);
TEST_CASE(dup_defines);
TEST_CASE(unicodeInCode);
TEST_CASE(unicodeInComment);
TEST_CASE(unicodeInString);
TEST_CASE(define_part_of_func);
TEST_CASE(conditionalDefine);
TEST_CASE(multiline_comment);
TEST_CASE(macro_parameters);
TEST_CASE(newline_in_macro);
TEST_CASE(includes);
TEST_CASE(ifdef_ifdefined);
// define and then ifdef
TEST_CASE(define_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(testPreprocessorRead1);
TEST_CASE(testPreprocessorRead2);
TEST_CASE(testPreprocessorRead3);
TEST_CASE(testPreprocessorRead4);
TEST_CASE(invalid_define_1); // #2605 - hang for: '#define ='
TEST_CASE(invalid_define_2); // #4036 - hang for: '#define () {(int f(x) }'
// Show 'missing include' warnings
TEST_CASE(missingInclude);
// inline suppression, missingInclude
TEST_CASE(inline_suppression_for_missing_include);
// Using -D to predefine symbols
TEST_CASE(predefine1);
TEST_CASE(predefine2);
TEST_CASE(predefine3);
TEST_CASE(predefine4);
TEST_CASE(predefine5); // automatically define __cplusplus
TEST_CASE(predefine6); // using -D and -f => check all matching configurations
// Test Preprocessor::simplifyCondition
TEST_CASE(simplifyCondition);
TEST_CASE(invalidElIf); // #2942 segfault
// Defines are given: test Preprocessor::handleIncludes
TEST_CASE(def_handleIncludes);
TEST_CASE(def_missingInclude);
TEST_CASE(def_handleIncludes_ifelse1); // problems in handleIncludes for #else
TEST_CASE(def_handleIncludes_ifelse2);
TEST_CASE(def_handleIncludes_ifelse3); // #4868 - crash
TEST_CASE(def_valueWithParentheses); // #3531
// Using -U to undefine symbols
TEST_CASE(undef1);
TEST_CASE(undef2);
TEST_CASE(undef3);
TEST_CASE(undef4);
TEST_CASE(undef5);
TEST_CASE(undef6);
TEST_CASE(undef7);
TEST_CASE(undef8);
TEST_CASE(undef9);
TEST_CASE(undef10);
TEST_CASE(handleUndef);
TEST_CASE(macroChar);
TEST_CASE(validateCfg);
TEST_CASE(if_sizeof);
TEST_CASE(double_include); // #5717
TEST_CASE(invalid_ifs); // #5909
TEST_CASE(garbage);
TEST_CASE(wrongPathOnUnicodeError); // see #6773
TEST_CASE(wrongPathOnErrorDirective);
TEST_CASE(testDirectiveIncludeTypes);
TEST_CASE(testDirectiveIncludeLocations);
TEST_CASE(testDirectiveIncludeComments);
}
std::string preprocessorRead(const char* code) {
errout.str("");
std::istringstream istr(code);
return preprocessor0.read(istr, "test.c");
}
void preprocess(const char* code, std::map<std::string, std::string>& actual, const char filename[] = "file.c") {
errout.str("");
std::istringstream istr(code);
preprocessor0.preprocess(istr, actual, filename);
}
void readCode1() {
const char code[] = " \t a //\n"
" #aa\t /* remove this */\tb \r\n";
ASSERT_EQUALS("a\n#aa b\n", preprocessorRead(code));
}
void readCode2() {
const char code[] = "R\"( \" \\ ' /* abc */ \n)\";";
ASSERT_EQUALS("\" \\\" \\\\ ' /* abc */ \\n\"\n;", preprocessorRead(code));
}
void readCode3() {
const char code[] = "func(#errorname)";
ASSERT_EQUALS("func(#errorname)", preprocessorRead(code));
}
void readCode4() {
const char code[] = "char c = '\\ ';";
ASSERT_EQUALS("char c = '\\ ';", preprocessorRead(code));
ASSERT_EQUALS("", errout.str());
}
void readCode5() {
ASSERT_EQUALS("int i = 0x100000;", preprocessorRead("int i = 0x1000'00;"));
ASSERT_EQUALS("", errout.str());
ASSERT_EQUALS("int i = 0x0F0FFFFF;", preprocessorRead("int i = 0x0F0F'FFFF;"));
ASSERT_EQUALS("", errout.str());
// Ticket #7137
const char code[] = "void t(char c) { switch (c) { case'M': break; } }";
ASSERT_EQUALS(code, preprocessorRead(code));
ASSERT_EQUALS("", errout.str());
}
void utf16() {
// a => a
{
const char code[] = { '\xff', '\xfe', 'a', '\0' };
std::string s(code, sizeof(code));
std::istringstream istr(s);
ASSERT_EQUALS("a", preprocessor0.read(istr, "test.c"));
}
{
const char code[] = { '\xfe', '\xff', '\0', 'a' };
std::string s(code, sizeof(code));
std::istringstream istr(s);
ASSERT_EQUALS("a", preprocessor0.read(istr, "test.c"));
}
// extended char => 0xff
{
const char code[] = { '\xff', '\xfe', 'a', 'a' };
std::string s(code, sizeof(code));
std::istringstream istr(s);
const char expected[] = { '\xff', 0 };
ASSERT_EQUALS(expected, preprocessor0.read(istr, "test.c"));
}
{
const char code[] = { '\xfe', '\xff', 'a', 'a' };
std::string s(code, sizeof(code));
std::istringstream istr(s);
const char expected[] = { '\xff', 0 };
ASSERT_EQUALS(expected, preprocessor0.read(istr, "test.c"));
}
// \r\n => \n
{
const char code[] = { '\xff', '\xfe', '\r', '\0', '\n', '\0' };
std::string s(code, sizeof(code));
std::istringstream istr(s);
ASSERT_EQUALS("\n", preprocessor0.read(istr, "test.c"));
}
{
const char code[] = { '\xfe', '\xff', '\0', '\r', '\0', '\n' };
std::string s(code, sizeof(code));
std::istringstream istr(s);
ASSERT_EQUALS("\n", preprocessor0.read(istr, "test.c"));
}
}
void removeComments() {
// #3837 - asm comments
const char code[] = "void test(void) {\n"
" __asm\n"
" {\n"
" ;---- тест\n"
" }\n"
"}\n";
ASSERT_EQUALS(true, std::string::npos == preprocessor0.removeComments(code, "3837.c").find("----"));
ASSERT_EQUALS(" __asm123", preprocessor0.removeComments(" __asm123", "3837.cpp"));
ASSERT_EQUALS("\" __asm { ; } \"", preprocessor0.removeComments("\" __asm { ; } \"", "3837.cpp"));
ASSERT_EQUALS("__asm__ volatile { \"\" }", preprocessor0.removeComments("__asm__ volatile { \"\" }", "3837.cpp"));
// #4873
ASSERT_EQUALS("__asm { }", preprocessor0.removeComments("__asm { /* This is a comment */ }", "4873.cpp"));
// #5169
ASSERT_EQUALS("#define A(B) __asm__(\"int $3\"); int wait=1;\n",
preprocessor0.removeComments("#define A(B) __asm__(\"int $3\"); /**/ int wait=1;\n", "5169.c"));
}
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\n\n\n\n", 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\n\n", actual[""]);
}
}
void test1() {
const char filedata[] = "#ifdef WIN32 \n"
" abcdef\n"
"#else \n"
" qwerty\n"
"#endif \n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\n\nqwerty\n\n", actual[""]);
ASSERT_EQUALS("\nabcdef\n\n\n\n", actual["WIN32"]);
}
void test2() {
const char filedata[] = "# ifndef WIN32\n"
" \" # ifdef WIN32\" // a comment\n"
" # else \n"
" qwerty\n"
" # endif \n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\" # ifdef WIN32\"\n\n\n\n", actual[""]);
ASSERT_EQUALS("\n\n\nqwerty\n\n", actual["WIN32"]);
}
void test3() {
const char filedata[] = "#ifdef ABC\n"
"a\n"
"#ifdef DEF\n"
"b\n"
"#endif\n"
"c\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(3, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\n\n\n\n\n\n", actual[""]);
ASSERT_EQUALS("\na\n\n\n\nc\n\n", actual["ABC"]);
ASSERT_EQUALS("\na\n\nb\n\nc\n\n", actual["ABC;DEF"]);
}
void test4() {
const char filedata[] = "#ifdef ABC\n"
"A\n"
"#endif\t\n"
"#ifdef ABC\n"
"A\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\n\n\n\n\n", actual[""]);
ASSERT_EQUALS("\nA\n\n\nA\n\n", actual["ABC"]);
}
void test5() {
const char filedata[] = "#ifdef ABC\n"
"A\n"
"#else\n"
"B\n"
"#ifdef DEF\n"
"C\n"
"#endif\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(3, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\n\nB\n\n\n\n\n", actual[""]);
ASSERT_EQUALS("\nA\n\n\n\n\n\n\n", actual["ABC"]);
ASSERT_EQUALS("\n\n\nB\n\nC\n\n\n", actual["DEF"]);
}
void test6() {
const char filedata[] = "#if(A)\n"
"#if ( A ) \n"
"#if A\n"
"#if defined((A))\n"
"#elif defined (A)\n";
// Compare results..
ASSERT_EQUALS("#if A\n#if A\n#if A\n#if defined(A)\n#elif defined(A)\n", preprocessorRead(filedata));
}
void test7() {
const char filedata[] = "#ifdef ABC\n"
"A\n"
"#ifdef ABC\n"
"B\n"
"#endif\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Make sure an error message is written..
TODO_ASSERT_EQUALS("[file.c:3]: (error) ABC is already guaranteed to be defined\n",
"",
errout.str());
// Compare results..
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\n\n\n\n\n", actual[""]);
ASSERT_EQUALS("\nA\n\nB\n\n\n", actual["ABC"]);
test7a();
test7b();
test7c();
test7d();
}
void test7a() {
const char filedata[] = "#ifndef ABC\n"
"A\n"
"#ifndef ABC\n"
"B\n"
"#endif\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Make sure an error message is written..
TODO_ASSERT_EQUALS("[file.c:3]: (error) ABC is already guaranteed NOT to be defined\n",
"", errout.str());
// Compare results..
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
}
void test7b() {
const char filedata[] = "#ifndef ABC\n"
"A\n"
"#ifdef ABC\n"
"B\n"
"#endif\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Make sure an error message is written..
TODO_ASSERT_EQUALS("[file.c:3]: (error) ABC is already guaranteed NOT to be defined\n",
"", errout.str());
// Compare results..
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
}
void test7c() {
const char filedata[] = "#ifdef ABC\n"
"A\n"
"#ifndef ABC\n"
"B\n"
"#endif\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Make sure an error message is written..
TODO_ASSERT_EQUALS("[file.c:3]: (error) ABC is already guaranteed to be defined\n",
"",
errout.str());
// Compare results..
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
}
void test7d() {
const char filedata[] = "#if defined(ABC)\n"
"A\n"
"#if defined(ABC)\n"
"B\n"
"#endif\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Make sure an error message is written..
TODO_ASSERT_EQUALS("[file.c:3]: (error) ABC is already guaranteed to be defined\n",
"",
errout.str());
// Compare results..
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
}
void test7e() {
const char filedata[] = "#ifdef ABC\n"
"#file \"test.h\"\n"
"#ifndef test_h\n"
"#define test_h\n"
"#ifdef ABC\n"
"#endif\n"
"#endif\n"
"#endfile\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Make sure an error message is written..
ASSERT_EQUALS("", errout.str());
// Compare results..
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
}
void test8() {
const char filedata[] = "#if A == 1\n"
"1\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// No error..
ASSERT_EQUALS("", errout.str());
// Compare results..
ASSERT_EQUALS(2U, actual.size());
ASSERT_EQUALS("\n\n\n", actual[""]);
ASSERT_EQUALS("\n1\n\n", actual["A=1"]);
}
void test9() {
const char filedata[] = "#if\n"
"#else\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Settings settings;
settings.maxConfigs = 1;
settings.userDefines = "X";
Preprocessor preprocessor(settings, this);
preprocessor.preprocess(istr, actual, "file.c"); // <- don't crash
}
void test10() { // Ticket #5139
const char filedata[] = "#define foo a.foo\n"
"#define bar foo\n"
"#define baz bar+0\n"
"#if 0\n"
"#endif";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
}
void error1() {
const char filedata[] = "#ifdef A\n"
";\n"
"#else\n"
"#error abcd\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("", actual[""]);
ASSERT_EQUALS("\n;\n\n\n\n", actual["A"]);
}
void error2() {
const char filedata[] = "#error \xAB\n"
"#warning \xAB\n"
"123";
ASSERT_EQUALS("#error\n\n123", preprocessorRead(filedata));
}
void error3() {
errout.str("");
Settings settings;
settings.userDefines = "__cplusplus";
Preprocessor preprocessor(settings, this);
const std::string code("#error hello world!\n");
preprocessor.getcode(code, "X", "test.c");
ASSERT_EQUALS("[test.c:1]: (error) #error hello world!\n", errout.str());
}
// Ticket #2919 - wrong filename reported for #error
void error4() {
// In included file
{
errout.str("");
Settings settings;
settings.userDefines = "TEST";
Preprocessor preprocessor(settings, this);
const std::string code("#file \"ab.h\"\n#error hello world!\n#endfile");
preprocessor.getcode(code, "TEST", "test.c");
ASSERT_EQUALS("[ab.h:1]: (error) #error hello world!\n", errout.str());
}
// After including a file
{
errout.str("");
Settings settings;
settings.userDefines = "TEST";
Preprocessor preprocessor(settings, this);
const std::string code("#file \"ab.h\"\n\n#endfile\n#error aaa");
preprocessor.getcode(code, "TEST", "test.c");
ASSERT_EQUALS("[test.c:2]: (error) #error aaa\n", errout.str());
}
}
void error5() {
errout.str("");
Settings settings;
settings.userDefines = "FOO";
settings.force = true; // No message if --force is given
Preprocessor preprocessor(settings, this);
const std::string code("#error hello world!\n");
preprocessor.getcode(code, "X", "test.c");
ASSERT_EQUALS("", errout.str());
}
void if0_exclude() {
const char* code = "#if 0\n"
"A\n"
"#endif\n"
"B\n";
ASSERT_EQUALS("#if 0\n\n#endif\nB\n", preprocessorRead(code));
const char* code2 = "#if (0)\n"
"A\n"
"#endif\n"
"B\n";
ASSERT_EQUALS("#if 0\n\n#endif\nB\n", preprocessorRead(code2));
}
void if0_whitespace() {
const char* code = " # if 0 \n"
"A\n"
" # endif \n"
"B\n";
ASSERT_EQUALS("#if 0\n\n#endif\nB\n", preprocessorRead(code));
}
void if0_else() {
const char* code = "#if 0\n"
"A\n"
"#else\n"
"B\n"
"#endif\n"
"C\n";
ASSERT_EQUALS("#if 0\n\n#else\nB\n#endif\nC\n", preprocessorRead(code));
const char* code2 = "#if 1\n"
"A\n"
"#else\n"
"B\n"
"#endif\n"
"C\n";
TODO_ASSERT_EQUALS("#if 1\nA\n#else\n\n#endif\nC\n",
"#if 1\nA\n#else\nB\n#endif\nC\n", preprocessorRead(code2));
}
void if0_elif() {
const char* code = "#if 0\n"
"A\n"
"#elif 1\n"
"B\n"
"#endif\n"
"C\n";
ASSERT_EQUALS("#if 0\n\n#elif 1\nB\n#endif\nC\n", preprocessorRead(code));
}
void if0_include_1() {
const char* code = "#if 0\n"
"#include \"a.h\"\n"
"#endif\n"
"AB\n";
ASSERT_EQUALS("#if 0\n\n#endif\nAB\n", preprocessorRead(code));
}
void if0_include_2() {
const char* code = "#if 0\n"
"#include \"a.h\"\n"
"#ifdef WIN32\n"
"#else\n"
"#endif\n"
"#endif\n"
"AB\n";
ASSERT_EQUALS("#if 0\n\n#ifdef WIN32\n#else\n#endif\n#endif\nAB\n", preprocessorRead(code));
}
void includeguard1() {
// Handling include guards..
const char filedata[] = "#file \"abc.h\"\n"
"#ifndef abcH\n"
"#define abcH\n"
"#endif\n"
"#endfile\n"
"#ifdef ABC\n"
"#endif";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Expected configurations: "" and "ABC"
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
}
void includeguard2() {
// Handling include guards..
const char filedata[] = "#file \"abc.h\"\n"
"foo\n"
"#ifdef ABC\n"
"\n"
"#endif\n"
"#endfile\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Expected configurations: "" and "ABC"
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS(true, actual.find("") != actual.end());
ASSERT_EQUALS(true, actual.find("ABC") != actual.end());
}
void ifdefwithfile() {
// Handling include guards..
const char filedata[] = "#ifdef ABC\n"
"#file \"abc.h\"\n"
"class A{};/*\n\n\n\n\n\n\n*/\n"
"#endfile\n"
"#endif\n"
"int main() {}\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Expected configurations: "" and "ABC"
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n#file \"abc.h\"\n\n\n\n\n\n\n\n\n#endfile\n\nint main() {}\n", actual[""]);
ASSERT_EQUALS("\n#file \"abc.h\"\nclass A{};\n\n\n\n\n\n\n\n#endfile\n\nint main() {}\n", actual["ABC"]);
}
void newlines() {
const char filedata[] = "\r\r\n\n";
ASSERT_EQUALS("\n\n\n", preprocessorRead(filedata));
}
void comments1() {
{
const char filedata[] = "/*\n"
"#ifdef WIN32\n"
"#endif\n"
"*/\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\n\n\n", actual[""]);
}
{
const char filedata[] = "/*\n"
"\x080 #ifdef WIN32\n"
"#endif\n"
"*/\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\n\n\n", actual[""]);
}
{
const char filedata[] = "void f()\n"
"{\n"
" *p = a / *b / *c;\n"
"}\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("void f()\n{\n*p = a / *b / *c;\n}\n", actual[""]);
}
}
void if0() {
const char filedata[] = " # if /* comment */ 0 // comment\n"
"#ifdef WIN32\n"
"#endif\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\n\n\n", actual[""]);
}
void if1() {
const char filedata[] = " # if /* comment */ 1 // comment\n"
"ABC\n"
" # endif \n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\nABC\n\n", actual[""]);
}
void elif() {
{
const char filedata[] = "#if DEF1\n"
"ABC\n"
"#elif DEF2\n"
"DEF\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(3, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\n\n\n\n", actual[""]);
ASSERT_EQUALS("\nABC\n\n\n\n", actual["DEF1"]);
ASSERT_EQUALS("\n\n\nDEF\n\n", actual["DEF2"]);
}
{
const char filedata[] = "#if(defined DEF1)\n"
"ABC\n"
"#elif(defined DEF2)\n"
"DEF\n"
"#else\n"
"GHI\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(3, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\n\n\n\nGHI\n\n", actual[""]);
ASSERT_EQUALS("\nABC\n\n\n\n\n\n", actual["DEF1"]);
ASSERT_EQUALS("\n\n\nDEF\n\n\n\n", actual["DEF2"]);
}
}
void match_cfg_def() {
{
std::map<std::string, std::string> cfg;
ASSERT_EQUALS(false, preprocessor0.match_cfg_def(cfg, "A>1||defined(B)"));
}
{
std::map<std::string, std::string> cfg;
cfg["A"] = "";
cfg["B"] = "";
ASSERT_EQUALS(true, preprocessor0.match_cfg_def(cfg, "defined(A)&&defined(B)"));
}
{
std::map<std::string, std::string> cfg;
cfg["ABC"] = "";
ASSERT_EQUALS(false, preprocessor0.match_cfg_def(cfg, "defined(A)"));
ASSERT_EQUALS(true, preprocessor0.match_cfg_def(cfg, "!defined(A)"));
ASSERT_EQUALS(false, preprocessor0.match_cfg_def(cfg, "!defined(ABC)&&!defined(DEF)"));
ASSERT_EQUALS(true, preprocessor0.match_cfg_def(cfg, "!defined(A)&&!defined(B)"));
}
{
std::map<std::string, std::string> cfg;
cfg["A"] = "1";
cfg["B"] = "2";
ASSERT_EQUALS(true, preprocessor0.match_cfg_def(cfg, "A==1"));
ASSERT_EQUALS(true, preprocessor0.match_cfg_def(cfg, "A<2"));
ASSERT_EQUALS(false, preprocessor0.match_cfg_def(cfg, "A==2"));
ASSERT_EQUALS(false, preprocessor0.match_cfg_def(cfg, "A<1"));
ASSERT_EQUALS(false, preprocessor0.match_cfg_def(cfg, "A>=1&&B<=A"));
ASSERT_EQUALS(true, preprocessor0.match_cfg_def(cfg, "A==1 && A==1"));
}
}
void if_cond1() {
const char filedata[] = "#if LIBVER>100\n"
" A\n"
"#else\n"
" B\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\n\nB\n\n", actual[""]);
TODO_ASSERT_EQUALS("\nA\n\n\n\n",
"", actual["LIBVER=101"]);
}
void if_cond2() {
const char filedata[] = "#ifdef A\n"
"a\n"
"#endif\n"
"#if defined(A) && defined(B)\n"
"ab\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(3, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\n\n\n\n\n", actual[""]);
ASSERT_EQUALS("\na\n\n\n\n\n", actual["A"]);
ASSERT_EQUALS("\na\n\n\nab\n\n", actual["A;B"]);
if_cond2b();
if_cond2c();
if_cond2d();
if_cond2e();
}
void if_cond2b() {
const char filedata[] = "#ifndef A\n"
"!a\n"
"#ifdef B\n"
"b\n"
"#endif\n"
"#else\n"
"a\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(3, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n!a\n\n\n\n\n\n\n", actual[""]);
ASSERT_EQUALS("\n\n\n\n\n\na\n\n", actual["A"]);
ASSERT_EQUALS("\n!a\n\nb\n\n\n\n\n", actual["B"]);
}
void if_cond2c() {
const char filedata[] = "#ifndef A\n"
"!a\n"
"#ifdef B\n"
"b\n"
"#else\n"
"!b\n"
"#endif\n"
"#else\n"
"a\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(3, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n!a\n\n\n\n!b\n\n\n\n\n", actual[""]);
ASSERT_EQUALS("\n\n\n\n\n\n\n\na\n\n", actual["A"]);
ASSERT_EQUALS("\n!a\n\nb\n\n\n\n\n\n\n", actual["B"]);
}
void if_cond2d() {
const char filedata[] = "#ifndef A\n"
"!a\n"
"#ifdef B\n"
"b\n"
"#else\n"
"!b\n"
"#endif\n"
"#else\n"
"a\n"
"#ifdef B\n"
"b\n"
"#else\n"
"!b\n"
"#endif\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(4, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n!a\n\n\n\n!b\n\n\n\n\n\n\n\n\n\n", actual[""]);
ASSERT_EQUALS("\n\n\n\n\n\n\n\na\n\n\n\n!b\n\n\n", actual["A"]);
ASSERT_EQUALS("\n\n\n\n\n\n\n\na\n\nb\n\n\n\n\n", actual["A;B"]);
ASSERT_EQUALS("\n!a\n\nb\n\n\n\n\n\n\n\n\n\n\n\n", actual["B"]);
}
void if_cond2e() {
const char filedata[] = "#if !defined(A)\n"
"!a\n"
"#elif !defined(B)\n"
"!b\n"
"#endif\n";
// Preprocess => actual result..
errout.str("");
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Settings settings;
settings.debug = settings.debugwarnings = true;
Preprocessor preprocessor(settings, this);
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(3, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n!a\n\n\n\n", actual[""]);
ASSERT_EQUALS("\n\n\n!b\n\n", actual["A"]);
TODO_ASSERT_EQUALS("\n\n\n\n\n", "", actual["A;B"]);
ASSERT_EQUALS("", errout.str());
}
void if_cond3() {
const char filedata[] = "#ifdef A\n"
"a\n"
"#if defined(B) && defined(C)\n"
"abc\n"
"#endif\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(3, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\n\n\n\n\n", actual[""]);
ASSERT_EQUALS("\na\n\n\n\n\n", actual["A"]);
ASSERT_EQUALS("\na\n\nabc\n\n\n", actual["A;B;C"]);
}
void if_cond4() {
{
const char filedata[] = "#define A\n"
"#define B\n"
"#if defined A || defined B\n"
"ab\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\n\nab\n\n", actual[""]);
}
{
const char filedata[] = "#if A\n"
"{\n"
"#if (defined(B))\n"
"foo();\n"
"#endif\n"
"}\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(3, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\n\n\n\n\n\n", actual[""]);
ASSERT_EQUALS("\n{\n\n\n\n}\n\n", actual["A"]);
ASSERT_EQUALS("\n{\n\nfoo();\n\n}\n\n", actual["A;B"]);
}
{
const char filedata[] = "#define A\n"
"#define B\n"
"#if (defined A) || defined (B)\n"
"ab\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\n\nab\n\n", actual[""]);
}
{
const char filedata[] = "#if (A)\n"
"foo();\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\n\n", actual[""]);
ASSERT_EQUALS("\nfoo();\n\n", actual["A"]);
}
{
const char filedata[] = "#if! A\n"
"foo();\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
TODO_ASSERT_EQUALS(2, 1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\nfoo();\n\n", actual[""]);
}
}
void if_cond5() {
const char filedata[] = "#if defined(A) && defined(B)\n"
"ab\n"
"#endif\n"
"cd\n"
"#if defined(B) && defined(A)\n"
"ef\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\n\ncd\n\n\n\n", actual[""]);
ASSERT_EQUALS("\nab\n\ncd\n\nef\n\n", actual["A;B"]);
}
void if_cond6() {
const char filedata[] = "\n"
"#if defined(A) && defined(B))\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS("[file.c:2]: (error) mismatching number of '(' and ')' in this line: defined(A)&&defined(B))\n", errout.str());
}
void if_cond8() {
const char filedata[] = "#if defined(A) + defined(B) + defined(C) != 1\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, (int)actual.size());
ASSERT_EQUALS("\n\n", actual[""]);
}
void if_cond9() {
const char filedata[] = "#if !defined _A\n"
"abc\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, (int)actual.size());
ASSERT_EQUALS("\nabc\n\n", actual[""]);
}
void if_cond10() {
const char filedata[] = "#if !defined(a) && !defined(b)\n"
"#if defined(and)\n"
"#endif\n"
"#endif\n";
// Preprocess => don't crash..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
}
void if_cond11() {
const char filedata[] = "#if defined(L_fixunssfdi) && LIBGCC2_HAS_SF_MODE\n"
"#if LIBGCC2_HAS_DF_MODE\n"
"#elif FLT_MANT_DIG < W_TYPE_SIZE\n"
"#endif\n"
"#endif\n";
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
ASSERT_EQUALS("", errout.str());
}
void if_cond12() {
const char filedata[] = "#define A (1)\n"
"#if A == 1\n"
";\n"
"#endif\n";
ASSERT_EQUALS("\n\n;\n\n", preprocessor0.getcode(filedata,"",""));
}
void if_cond13() {
const char filedata[] = "#if ('A' == 0x41)\n"
"123\n"
"#endif\n";
ASSERT_EQUALS("\n123\n\n", preprocessor0.getcode(filedata,"",""));
}
void if_cond14() {
const char filedata[] = "#if !(A)\n"
"123\n"
"#endif\n";
ASSERT_EQUALS("\n123\n\n", preprocessor0.getcode(filedata,"",""));
}
void if_cond15() { // #4456 - segmentation fault
const char filedata[] = "#if ((A >= B) && (C != D))\n"
"#if (E < F(1))\n"
"#endif\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual); // <- don't crash in Preprocessor::getcfgs -> Tokenize -> number of template parameters
}
void if_or_1() {
const char filedata[] = "#if defined(DEF_10) || defined(DEF_11)\n"
"a1;\n"
"#endif\n";
errout.str("");
output.str("");
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Settings settings;
settings.debug = settings.debugwarnings = true;
settings.addEnabled("missingInclude");
Preprocessor preprocessor(settings, this);
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(1, (int)actual.size());
ASSERT_EQUALS("\n\n\n", actual[""]);
// the "defined(DEF_10) || defined(DEF_11)" are not handled correctly..
ASSERT_EQUALS("(debug) unhandled configuration: defined(DEF_10)||defined(DEF_11)\n", errout.str());
TODO_ASSERT_EQUALS(2, 1, actual.size());
TODO_ASSERT_EQUALS("\na1;\n\n",
"", actual["DEF_10"]);
}
void if_or_2() {
const std::string code("#if X || Y\n"
"a1;\n"
"#endif\n");
ASSERT_EQUALS("\na1;\n\n", preprocessor0.getcode(code, "X", "test.c"));
ASSERT_EQUALS("\na1;\n\n", preprocessor0.getcode(code, "Y", "test.c"));
}
void if_macro_eq_macro() {
const char* code = "#define A B\n"
"#define B 1\n"
"#define C 1\n"
"#if A == C\n"
"Wilma\n"
"#else\n"
"Betty\n"
"#endif\n";
std::map<std::string, std::string> actual;
preprocess(code, actual);
ASSERT_EQUALS("\n\n\n\nWilma\n\n\n\n", actual[""]);
}
void ticket_3675() {
const char* code = "#ifdef YYSTACKSIZE\n"
"#define YYMAXDEPTH YYSTACKSIZE\n"
"#else\n"
"#define YYSTACKSIZE YYMAXDEPTH\n"
"#endif\n"
"#if YYDEBUG\n"
"#endif\n";
std::map<std::string, std::string> actual;
preprocess(code, actual);
// There's nothing to assert. It just needs to not hang.
}
void ticket_3699() {
const char* code = "#define INLINE __forceinline\n"
"#define inline __forceinline\n"
"#define __forceinline inline\n"
"#if !defined(_WIN32)\n"
"#endif\n"
"INLINE inline __forceinline\n";
std::map<std::string, std::string> actual;
preprocess(code, actual);
// First, it must not hang. Second, inline must becomes inline, and __forceinline must become __forceinline.
ASSERT_EQUALS("\n\n\n\n\n$$$__forceinline $$inline $$__forceinline\n", 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 multiline1() {
const char filedata[] = "#define str \"abc\" \\\n"
" \"def\" \n"
"abcdef = str;\n";
ASSERT_EQUALS("#define str \"abc\" \"def\"\n\nabcdef = str;\n", preprocessorRead(filedata));
}
void multiline2() {
const char filedata[] = "#define sqr(aa) aa * \\\n"
" aa\n"
"sqr(5);\n";
ASSERT_EQUALS("#define sqr(aa) aa * aa\n\nsqr(5);\n", preprocessorRead(filedata));
}
void multiline3() {
const char filedata[] = "const char *str = \"abc\\\n"
"def\\\n"
"ghi\"\n";
ASSERT_EQUALS("const char *str = \"abcdefghi\"\n\n\n", preprocessorRead(filedata));
}
void multiline4() {
errout.str("");
const char filedata[] = "#define A int a = 4;\\ \n"
" int b = 5;\n"
"A\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
#ifdef __GNUC__
ASSERT_EQUALS("\n\n$int $a = $4; $int $b = $5;\n", actual[""]);
#else
ASSERT_EQUALS("\nint b = 5;\n$int $a = $4;\\\n", actual[""]);
#endif
ASSERT_EQUALS("", errout.str());
}
void multiline5() {
errout.str("");
const char filedata[] = "#define ABC int a /*\n"
"*/= 4;\n"
"int main(){\n"
"ABC\n"
"}\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\nint main(){\n$int $a = $4;\n}\n", actual[""]);
ASSERT_EQUALS("", errout.str());
}
void remove_asm() const {
std::string str1("#asm\nmov ax,bx\n#endasm");
Preprocessor::removeAsm(str1);
ASSERT_EQUALS("asm(\nmov ax,bx\n);", str1);
std::string str2("\n#asm\nmov ax,bx\n#endasm\n");
Preprocessor::removeAsm(str2);
ASSERT_EQUALS("\nasm(\nmov ax,bx\n);\n", str2);
}
void if_defined() const {
{
const char filedata[] = "#if defined(AAA)\n"
"#endif\n";
ASSERT_EQUALS("#ifdef AAA\n#endif\n", OurPreprocessor::replaceIfDefined(filedata));
}
{
ASSERT_EQUALS("#elif A\n", OurPreprocessor::replaceIfDefined("#elif defined(A)\n"));
}
}
void if_not_defined() const {
const char filedata[] = "#if !defined(AAA)\n"
"#endif\n";
ASSERT_EQUALS("#ifndef AAA\n#endif\n", OurPreprocessor::replaceIfDefined(filedata));
}
void macro_simple1() const {
{
const char filedata[] = "#define AAA(aa) f(aa)\n"
"AAA(5);\n";
ASSERT_EQUALS("\n$f($5);\n", OurPreprocessor::expandMacros(filedata));
}
{
const char filedata[] = "#define AAA(aa) f(aa)\n"
"AAA (5);\n";
ASSERT_EQUALS("\n$f($5);\n", 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("\n$a()<$b()?$a():$b();\n", OurPreprocessor::expandMacros(filedata));
}
void macro_simple3() const {
const char filedata[] = "#define A 4\n"
"A AA\n";
ASSERT_EQUALS("\n$4 AA\n", OurPreprocessor::expandMacros(filedata));
}
void macro_simple4() const {
const char filedata[] = "#define TEMP_1 if( temp > 0 ) return 1;\n"
"TEMP_1\n";
ASSERT_EQUALS("\n$if( $temp > $0 ) $return $1;\n", 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{\n int temp = 0;\n $if( $temp > $0 ) $return $1;\n}\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)\n", OurPreprocessor::expandMacros(filedata));
}
void macro_simple7() const {
const char filedata[] = "#define ABC(str) str\n"
"ABC(\"(\")\n";
ASSERT_EQUALS("\n$\"(\"\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\n$123 $1234\n", OurPreprocessor::expandMacros(filedata));
}
void macro_simple9() const {
const char filedata[] = "#define ABC(a) f(a)\n"
"ABC( \"\\\"\" );\n"
"ABC( \"g\" );\n";
ASSERT_EQUALS("\n$f(\"\\\"\");\n$f(\"g\");\n", OurPreprocessor::expandMacros(filedata));
}
void macro_simple10() const {
const char filedata[] = "#define ABC(t) t x\n"
"ABC(unsigned long);\n";
ASSERT_EQUALS("\n$unsigned $long $x;\n", OurPreprocessor::expandMacros(filedata));
}
void macro_simple11() const {
const char filedata[] = "#define ABC(x) delete x\n"
"ABC(a);\n";
ASSERT_EQUALS("\n$delete $a;\n", OurPreprocessor::expandMacros(filedata));
}
void macro_simple12() const {
const char filedata[] = "#define AB ab.AB\n"
"AB.CD\n";
ASSERT_EQUALS("\n$ab.$AB.CD\n", OurPreprocessor::expandMacros(filedata));
}
void macro_simple13() const {
const char filedata[] = "#define TRACE(x)\n"
"TRACE(;if(a))\n";
ASSERT_EQUALS("\n$\n", OurPreprocessor::expandMacros(filedata));
}
void macro_simple14() const {
const char filedata[] = "#define A \" a \"\n"
"printf(A);\n";
ASSERT_EQUALS("\nprintf($\" a \");\n", OurPreprocessor::expandMacros(filedata));
}
void macro_simple15() const {
const char filedata[] = "#define FOO\"foo\"\n"
"FOO\n";
ASSERT_EQUALS("\n$\"foo\"\n", 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("\n$class $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("\n$123+$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\n$$long $n=$0;$n++;\n", OurPreprocessor::expandMacros(filedata));
}
{
const char filedata[] = "#define A B\n"
"#define B 3\n"
"A\n";
ASSERT_EQUALS("\n\n$$3\n", OurPreprocessor::expandMacros(filedata));
}
{
const char filedata[] = "#define DBG(fmt, args...) printf(fmt, ## args)\n"
"#define D(fmt, args...) DBG(fmt, ## args)\n"
"DBG(\"hello\");\n";
ASSERT_EQUALS("\n\n$printf(\"hello\");\n", OurPreprocessor::expandMacros(filedata));
}
{
const char filedata[] = "#define DBG(fmt, args...) printf(fmt, ## args)\n"
"#define D(fmt, args...) DBG(fmt, ## args)\n"
"DBG(\"hello: %d\",3);\n";
ASSERT_EQUALS("\n\n$printf(\"hello: %d\",$3);\n", OurPreprocessor::expandMacros(filedata));
}
{
const char filedata[] = "#define BC(b, c...) 0##b * 0##c\n"
"#define ABC(a, b...) a + BC(b)\n"
"\n"
"ABC(1);\n"
"ABC(2,3);\n"
"ABC(4,5,6);\n";
ASSERT_EQUALS("\n\n\n$1+$$0*$0;\n$2+$$03*$0;\n$4+$$05*$06;\n", OurPreprocessor::expandMacros(filedata));
}
{
const char filedata[] = "#define A 4\n"
"#define B(a) a,A\n"
"B(2);\n";
ASSERT_EQUALS("\n\n$2, $4;\n", OurPreprocessor::expandMacros(filedata));
}
{
const char filedata[] = "#define A(x) (x)\n"
"#define B )A(\n"
"#define C )A(\n";
ASSERT_EQUALS("\n\n\n", OurPreprocessor::expandMacros(filedata));
}
{
const char filedata[] = "#define A(x) (x*2)\n"
"#define B A(\n"
"foo B(i));\n";
ASSERT_EQUALS("\n\nfoo $$(($i)*$2);\n", OurPreprocessor::expandMacros(filedata));
}
{
const char filedata[] = "#define foo foo\n"
"foo\n";
ASSERT_EQUALS("\n$foo\n", OurPreprocessor::expandMacros(filedata));
}
{
const char filedata[] =
"#define B(A1, A2) } while (0)\n"
"#define A(name) void foo##name() { do { B(1, 2); }\n"
"A(0)\n"
"A(1)\n";
ASSERT_EQUALS("\n\n$void $foo0(){$do{$$}$while($0);}\n$void $foo1(){$do{$$}$while($0);}\n", OurPreprocessor::expandMacros(filedata));
}
{
const char filedata[] =
"#define B(x) (\n"
"#define A() B(xx)\n"
"B(1) A() ) )\n";
ASSERT_EQUALS("\n\n$( $$( ) )\n", OurPreprocessor::expandMacros(filedata));
}
{
const char filedata[] =
"#define PTR1 (\n"
"#define PTR2 PTR1 PTR1\n"
"int PTR2 PTR2 foo )))) = 0;\n";
ASSERT_EQUALS("\n\nint $$( $$( $$( $$( foo )))) = 0;\n", OurPreprocessor::expandMacros(filedata));
}
{
const char filedata[] =
"#define PTR1 (\n"
"PTR1 PTR1\n";
ASSERT_EQUALS("\n$( $(\n", OurPreprocessor::expandMacros(filedata));
}
}
void macroInMacro2() const {
const char filedata[] = "#define A(x) a##x\n"
"#define B 0\n"
"A(B)\n";
ASSERT_EQUALS("\n\n$aB\n", OurPreprocessor::expandMacros(filedata));
}
void macro_mismatch() const {
const char filedata[] = "#define AAA(aa,bb) f(aa)\n"
"AAA(5);\n";
ASSERT_EQUALS("\nAAA(5);\n", OurPreprocessor::expandMacros(filedata));
}
void macro_linenumbers() const {
const char filedata[] = "#define AAA(a)\n"
"AAA(5\n"
"\n"
")\n"
"int a;\n";
ASSERT_EQUALS("\n$"
"\n"
"\n"
"\n"
"int a;\n",
OurPreprocessor::expandMacros(filedata));
}
void macro_nopar() const {
const char filedata[] = "#define AAA( ) { NULL }\n"
"AAA()\n";
ASSERT_EQUALS("\n${ $NULL }\n", 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\n$1+ +$1 $2- -$1\n", OurPreprocessor::expandMacros(filedata));
}
void macro_switchCase() const {
{
// Make sure "case 2" doesn't become "case2"
const char filedata[] = "#define A( b ) "
"switch( a ){ "
"case 2: "
" break; "
"}\n"
"A( 5 );\n";
ASSERT_EQUALS("\n$switch($a){$case $2:$break;};\n", OurPreprocessor::expandMacros(filedata));
}
{
// Make sure "2 BB" doesn't become "2BB"
const char filedata[] = "#define A() AA : 2 BB\n"
"A();\n";
ASSERT_EQUALS("\n$AA : $2 $BB;\n", OurPreprocessor::expandMacros(filedata));
}
{
const char filedata[] = "#define A }\n"
"#define B() A\n"
"#define C( a ) B() break;\n"
"{C( 2 );\n";
ASSERT_EQUALS("\n\n\n{$$$}$break;;\n", OurPreprocessor::expandMacros(filedata));
}
{
const char filedata[] = "#define A }\n"
"#define B() A\n"
"#define C( a ) B() _break;\n"
"{C( 2 );\n";
ASSERT_EQUALS("\n\n\n{$$$}$_break;;\n", OurPreprocessor::expandMacros(filedata));
}
{
const char filedata[] = "#define A }\n"
"#define B() A\n"
"#define C( a ) B() 5;\n"
"{C( 2 );\n";
ASSERT_EQUALS("\n\n\n{$$$}$5;;\n", OurPreprocessor::expandMacros(filedata));
}
}
void macro_NULL() const {
// Let the tokenizer handle NULL.
// See ticket #4482 - UB when passing NULL to variadic function
ASSERT_EQUALS("\n$0", OurPreprocessor::expandMacros("#define null 0\nnull"));
ASSERT_EQUALS("\nNULL", OurPreprocessor::expandMacros("#define NULL 0\nNULL"));
}
void string1() {
const char filedata[] = "int main()"
"{"
" const char *a = \"#define A\n\";"
"}\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("int main(){ const char *a = \"#define A\n\";}\n", actual[""]);
}
void string2() const {
const char filedata[] = "#define AAA 123\n"
"str = \"AAA\"\n";
// Compare results..
ASSERT_EQUALS("\nstr = \"AAA\"\n", OurPreprocessor::expandMacros(filedata));
}
void string3() const {
const char filedata[] = "str(\";\");\n";
// Compare results..
ASSERT_EQUALS("str(\";\");\n", OurPreprocessor::expandMacros(filedata));
}
void preprocessor_undef() {
{
const char filedata[] = "#define AAA int a;\n"
"#undef AAA\n"
"#define AAA char b=0;\n"
"AAA\n";
// Compare results..
ASSERT_EQUALS("\n\n\n$char $b=$0;\n", OurPreprocessor::expandMacros(filedata));
}
{
// ticket #403
const char filedata[] = "#define z p[2]\n"
"#undef z\n"
"int z;\n"
"z = 0;\n";
ASSERT_EQUALS("\n\nint z;\nz = 0;\n", preprocessor0.getcode(filedata, "", ""));
}
}
void defdef() const {
const char filedata[] = "#define AAA 123\n"
"#define AAA 456\n"
"#define AAA 789\n"
"AAA\n";
// Compare results..
ASSERT_EQUALS("\n\n\n$789\n", 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("\n$foo=$20;\n", OurPreprocessor::expandMacros(filedata1));
// simple testcase with ##
const char filedata2[] = "#define TEST(var,val) var##_##val = val\n"
"TEST(foo,20);\n";
ASSERT_EQUALS("\n$foo_20=$20;\n", OurPreprocessor::expandMacros(filedata2));
// concat macroname
const char filedata3[] = "#define ABCD 123\n"
"#define A(B) A##B\n"
"A(BCD)\n";
ASSERT_EQUALS("\n\n$$123\n", OurPreprocessor::expandMacros(filedata3));
// Ticket #1802 - inner ## must be expanded before outer macro
const char filedata4[] = "#define A(B) A##B\n"
"#define a(B) A(B)\n"
"a(A(B))\n";
ASSERT_EQUALS("\n\n$$AAB\n", OurPreprocessor::expandMacros(filedata4));
// Ticket #1802 - inner ## must be expanded before outer macro
const char filedata5[] = "#define AB(A,B) A##B\n"
"#define ab(A,B) AB(A,B)\n"
"ab(a,AB(b,c))\n";
ASSERT_EQUALS("\n\n$$abc\n", 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\n$$$x_y\n", OurPreprocessor::expandMacros(filedata6));
}
void preprocessor_include_in_str() {
const char filedata[] = "int main()\n"
"{\n"
"const char *a = \"#include <string>\n\";\n"
"return 0;\n"
"}\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("int main()\n{\nconst char *a = \"#include <string>\n\";\nreturn 0;\n}\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("\n$printf(\"[0x%lx-0x%lx)\",$pstart,$pend);\n", actual);
}
void va_args_2() const {
const char filedata[] = "#define DBG(fmt, args...) printf(fmt, ## args)\n"
"DBG(\"hello\");\n";
// Preprocess..
std::string actual = OurPreprocessor::expandMacros(filedata);
ASSERT_EQUALS("\n$printf(\"hello\");\n", actual);
}
void va_args_3() const {
const char filedata[] = "#define FRED(...) { fred(__VA_ARGS__); }\n"
"FRED(123)\n";
ASSERT_EQUALS("\n${ $fred($123); }\n", OurPreprocessor::expandMacros(filedata));
}
void va_args_4() const {
const char filedata[] = "#define FRED(name, ...) name (__VA_ARGS__)\n"
"FRED(abc, 123)\n";
ASSERT_EQUALS("\n$abc($123)\n", OurPreprocessor::expandMacros(filedata));
}
void va_args_5() {
const char filedata1[] = "#define A(...) #__VA_ARGS__\n"
"A(123)\n";
ASSERT_EQUALS("\n$\"123\"\n", OurPreprocessor::expandMacros(filedata1));
const char filedata2[] = "#define A(X,...) X(#__VA_ARGS__)\n"
"A(f,123)\n";
ASSERT_EQUALS("\n$f(\"123\")\n", OurPreprocessor::expandMacros(filedata2));
}
void multi_character_character() {
const char filedata[] = "#define FOO 'ABCD'\n"
"int main()\n"
"{\n"
"if( FOO == 0 );\n"
"return 0;\n"
"}\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\nint main()\n{\nif( $'ABCD' == 0 );\nreturn 0;\n}\n", actual[""]);
}
void stringify() const {
const char filedata[] = "#define STRINGIFY(x) #x\n"
"STRINGIFY(abc)\n";
// expand macros..
std::string actual = OurPreprocessor::expandMacros(filedata);
ASSERT_EQUALS("\n$\"abc\"\n", 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("\n$g(\"abc\");\n", actual);
}
void stringify3() const {
const char filedata[] = "#define A(x) g(#x)\n"
"A( abc);\n";
// expand macros..
std::string actual = OurPreprocessor::expandMacros(filedata);
ASSERT_EQUALS("\n$g(\"abc\");\n", 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 $\n\n\"abc\" 2\n", actual);
}
void stringify5() const {
const char filedata[] = "#define A(x) a(#x,x)\n"
"A(foo(\"\\\"\"))\n";
ASSERT_EQUALS("\n$a(\"foo(\\\"\\\\\\\"\\\")\",$foo(\"\\\"\"))\n", OurPreprocessor::expandMacros(filedata));
}
void pragma() {
const char filedata[] = "#pragma once\n"
"void f()\n"
"{\n"
"}\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\nvoid f()\n{\n}\n", actual[""]);
}
void pragma_asm_1() {
const char filedata[] = "#pragma asm\n"
" mov r1, 11\n"
"#pragma endasm\n"
"aaa\n"
"#pragma asm foo\n"
" mov r1, 11\n"
"#pragma endasm bar\n"
"bbb";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\n\naaa\n\n\n\nbbb\n", actual[""]);
}
void pragma_asm_2() {
const char filedata[] = "#pragma asm\n"
" mov @w1, 11\n"
"#pragma endasm ( temp=@w1 )\n"
"bbb";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\nasm(temp);\nbbb\n", actual[""]);
}
void pragma_once() {
const char code[] = "#pragma once\n"
"int x";
const std::list<std::string> includePaths;
std::map<std::string,std::string> defs;
std::set<std::string> pragmaOnce;
preprocessor0.handleIncludes(code, "123.h", includePaths, defs, pragmaOnce, std::list<std::string>());
ASSERT_EQUALS(1U, pragmaOnce.size());
ASSERT_EQUALS("123.h", *(pragmaOnce.begin()));
}
void endifsemicolon() {
const char filedata[] = "void f() {\n"
"#ifdef A\n"
"#endif;\n"
"}\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
const std::string expected("void f() {\n\n\n}\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";
const char expected[] = "\n"
"\n"
"\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(expected, actual[""]);
ASSERT_EQUALS("", errout.str());
}
}
void missing_doublequote() {
{
const char filedata[] = "#define a\n"
"#ifdef 1\n"
"\"\n"
"#endif\n";
// expand macros..
errout.str("");
const std::string actual(OurPreprocessor::expandMacros(filedata, this));
ASSERT_EQUALS("", actual);
ASSERT_EQUALS("[file.cpp:3]: (error) No pair for character (\"). Can't process file. File is either invalid or unicode, which is currently not supported.\n", errout.str());
}
{
const char filedata[] = "#file \"abc.h\"\n"
"#define a\n"
"\"\n"
"#endfile\n";
// expand macros..
errout.str("");
const std::string actual(OurPreprocessor::expandMacros(filedata, this));
ASSERT_EQUALS("", actual);
ASSERT_EQUALS("[abc.h:2]: (error) No pair for character (\"). Can't process file. File is either invalid or unicode, which is currently not supported.\n", errout.str());
}
{
const char filedata[] = "#file \"abc.h\"\n"
"#define a\n"
"#endfile\n"
"\"\n";
// expand macros..
errout.str("");
const std::string actual(OurPreprocessor::expandMacros(filedata, this));
ASSERT_EQUALS("", actual);
ASSERT_EQUALS("[file.cpp:2]: (error) No pair for character (\"). Can't process file. File is either invalid or unicode, which is currently not supported.\n", errout.str());
}
{
const char filedata[] = "#define A 1\n"
"#define B \"\n"
"int a = A;\n";
// expand macros..
errout.str("");
const std::string actual(OurPreprocessor::expandMacros(filedata, this));
ASSERT_EQUALS("\n\nint a = $1;\n", actual);
ASSERT_EQUALS("", errout.str());
}
{
const char filedata[] = "void foo()\n"
"{\n"
"\n"
"\n"
"\n"
"int a = 0;\n"
"printf(Text\");\n"
"}\n";
// expand macros..
errout.str("");
OurPreprocessor::expandMacros(filedata, this);
ASSERT_EQUALS("[file.cpp:7]: (error) No pair for character (\"). Can't process file. File is either invalid or unicode, which is currently not supported.\n", errout.str());
}
}
void unicodeInCode() {
const char* filedata = "a\xC8";
preprocessorRead(filedata);
ASSERT_EQUALS("[test.c:1]: (error) The code contains unhandled characters (character code = 0xc8). Checking continues, but do not expect valid results.\n", errout.str());
}
void unicodeInComment() {
const char* filedata = "//\xC8";
ASSERT_EQUALS("", preprocessorRead(filedata));
}
void unicodeInString() {
const char* filedata = "\"\xC8\"";
ASSERT_EQUALS(filedata, preprocessorRead(filedata));
}
void define_part_of_func() {
const char filedata[] = "#define A g(\n"
"void f() {\n"
" A );\n"
" }\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\nvoid f() {\n$g( );\n}\n", actual[""]);
ASSERT_EQUALS("", errout.str());
}
void conditionalDefine() {
const char filedata[] = "#ifdef A\n"
"#define N 10\n"
"#else\n"
"#define N 20\n"
"#endif\n"
"N";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\n\n\n\n$20\n", actual[""]);
ASSERT_EQUALS("\n\n\n\n\n$10\n", actual["A"]);
ASSERT_EQUALS("", errout.str());
}
void multiline_comment() {
const char filedata[] = "#define ABC {// \\\n"
"}\n"
"void f() ABC }\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n\nvoid f() ${ }\n", actual[""]);
ASSERT_EQUALS("", errout.str());
}
void macro_parameters() {
errout.str("");
const char filedata[] = "#define BC(a, b, c, arg...) \\\n"
"AB(a, b, c, ## arg)\n"
"\n"
"void f()\n"
"{\n"
" BC(3);\n"
"}\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("", actual[""]);
ASSERT_EQUALS("[file.c:6]: (error) Syntax error. Not enough parameters for macro 'BC'.\n", errout.str());
}
void newline_in_macro() {
const char filedata[] = "#define ABC(str) printf( str )\n"
"void f()\n"
"{\n"
" ABC(\"\\n\");\n"
"}\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\nvoid f()\n{\n$printf(\"\\n\");\n}\n", actual[""]);
ASSERT_EQUALS("", errout.str());
}
void includes() const {
{
std::string src = "#include a.h";
ASSERT_EQUALS(OurPreprocessor::NoHeader, OurPreprocessor::getHeaderFileName(src));
ASSERT_EQUALS("", src);
}
{
std::string src = "#include \"b.h\"";
ASSERT_EQUALS(OurPreprocessor::UserHeader, OurPreprocessor::getHeaderFileName(src));
ASSERT_EQUALS("b.h", src);
}
{
std::string src = "#include <c.h>";
ASSERT_EQUALS(OurPreprocessor::SystemHeader, OurPreprocessor::getHeaderFileName(src));
ASSERT_EQUALS("c.h", src);
}
{
std::string src = "#include \"d/d.h\"";
ASSERT_EQUALS(OurPreprocessor::UserHeader, OurPreprocessor::getHeaderFileName(src));
ASSERT_EQUALS("d/d.h", src);
}
{
std::string src = "#include \"e\\e.h\"";
ASSERT_EQUALS(OurPreprocessor::UserHeader, OurPreprocessor::getHeaderFileName(src));
ASSERT_EQUALS("e/e.h", src);
}
}
void ifdef_ifdefined() {
const char filedata[] = "#ifdef ABC\n"
"A\n"
"#endif\t\n"
"#if defined ABC\n"
"A\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS("\n\n\n\n\n\n", actual[""]);
ASSERT_EQUALS("\nA\n\n\nA\n\n", actual["ABC"]);
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
}
void define_if1() {
{
const char filedata[] = "#define A 0\n"
"#if A\n"
"FOO\n"
"#endif";
ASSERT_EQUALS("\n\n\n\n", preprocessor0.getcode(filedata,"",""));
}
{
const char filedata[] = "#define A 1\n"
"#if A==1\n"
"FOO\n"
"#endif";
ASSERT_EQUALS("\n\nFOO\n\n", preprocessor0.getcode(filedata,"",""));
}
}
void define_if2() {
const char filedata[] = "#define A 22\n"
"#define B A\n"
"#if (B==A) || (B==C)\n"
"FOO\n"
"#endif";
ASSERT_EQUALS("\n\n\nFOO\n\n", preprocessor0.getcode(filedata,"",""));
}
void define_if3() {
const char filedata[] = "#define A 0\n"
"#if (A==0)\n"
"FOO\n"
"#endif";
ASSERT_EQUALS("\n\nFOO\n\n", preprocessor0.getcode(filedata,"",""));
}
void define_if4() {
const char filedata[] = "#define X +123\n"
"#if X==123\n"
"FOO\n"
"#endif";
ASSERT_EQUALS("\n\nFOO\n\n", preprocessor0.getcode(filedata,"",""));
}
void define_if5() { // #4516 - #define B (A & 0x00f0)
{
const char filedata[] = "#define A 0x0010\n"
"#define B (A & 0x00f0)\n"
"#if B==0x0010\n"
"FOO\n"
"#endif";
ASSERT_EQUALS("\n\n\nFOO\n\n", preprocessor0.getcode(filedata,"",""));
}
{
const char filedata[] = "#define A 0x00f0\n"
"#define B (16)\n"
"#define C (B & A)\n"
"#if C==0x0010\n"
"FOO\n"
"#endif";
ASSERT_EQUALS("\n\n\n\nFOO\n\n", preprocessor0.getcode(filedata,"",""));
}
{
const char filedata[] = "#define A (1+A)\n" // don't hang for recursive macros
"#if A==1\n"
"FOO\n"
"#endif";
ASSERT_EQUALS("\n\n\n\n", preprocessor0.getcode(filedata,"",""));
}
}
void define_if6() { // #4516 - #define B (A?1:-1)
const char filedata[] = "#ifdef A\n"
"#define B (A?1:-1)\n"
"#endif\n"
"\n"
"#if B < 0\n"
"123\n"
"#endif\n"
"\n"
"#if B >= 0\n"
"456\n"
"#endif\n";
const std::string actualA0 = preprocessor0.getcode(filedata, "A=0", "test.c");
ASSERT_EQUALS(true, actualA0.find("123") != std::string::npos);
ASSERT_EQUALS(false, actualA0.find("456") != std::string::npos);
const std::string actualA1 = preprocessor0.getcode(filedata, "A=1", "test.c");
ASSERT_EQUALS(false, actualA1.find("123") != std::string::npos);
ASSERT_EQUALS(true, actualA1.find("456") != std::string::npos);
}
void define_ifdef() {
{
const char filedata[] = "#define ABC\n"
"#ifndef ABC\n"
"A\n"
"#else\n"
"B\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1, (int)actual.size());
ASSERT_EQUALS("\n\n\n\nB\n\n", 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\n\n", 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\n\n", 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\n\n", 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$1\n", actual[""]);
}
}
void define_ifndef1() {
const char filedata[] = "#define A(x) (x)\n"
"#ifndef A\n"
";\n"
"#endif\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(1U, actual.size());
ASSERT_EQUALS("\n\n\n\n", actual[""]);
}
void define_ifndef2() {
const char filedata[] = "#ifdef A\n"
"#define B char\n"
"#endif\n"
"#ifndef B\n"
"#define B int\n"
"#endif\n"
"B me;\n";
// Preprocess => actual result..
ASSERT_EQUALS("\n\n\n\n\n\n$int me;\n", preprocessor0.getcode(filedata, "", "a.cpp"));
ASSERT_EQUALS("\n\n\n\n\n\n$char me;\n", preprocessor0.getcode(filedata, "A", "a.cpp"));
}
void ifndef_define() {
const char filedata[] = "#ifndef A\n"
"#define A(x) x\n"
"#endif\n"
"A(123);";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
ASSERT_EQUALS(1U, actual.size());
ASSERT_EQUALS("\n\n\n$123;\n", actual[""]);
}
void undef_ifdef() {
const char filedata[] = "#undef A\n"
"#ifdef A\n"
"123\n"
"#endif\n";
// Preprocess => actual result..
ASSERT_EQUALS("\n\n\n\n", preprocessor0.getcode(filedata, "", "a.cpp"));
ASSERT_EQUALS("\n\n\n\n", preprocessor0.getcode(filedata, "A", "a.cpp"));
}
void redundant_config() {
const char filedata[] = "int main() {\n"
"#ifdef FOO\n"
"#ifdef BAR\n"
" std::cout << 1;\n"
"#endif\n"
"#endif\n"
"\n"
"#ifdef BAR\n"
"#ifdef FOO\n"
" std::cout << 2;\n"
"#endif\n"
"#endif\n"
"}\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS(4, (int)actual.size());
ASSERT(actual.find("") != actual.end());
ASSERT(actual.find("BAR") != actual.end());
ASSERT(actual.find("FOO") != actual.end());
ASSERT(actual.find("BAR;FOO") != actual.end());
}
void endfile() {
const char filedata[] = "char a[] = \"#endfile\";\n"
"char b[] = \"#endfile\";\n"
"#include \"notfound.h\"\n";
// Preprocess => actual result..
std::map<std::string, std::string> actual;
preprocess(filedata, actual);
// Compare results..
ASSERT_EQUALS("char a[] = \"#endfile\";\nchar b[] = \"#endfile\";\n\n", 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
TODO_ASSERT_EQUALS(2,
3, static_cast<unsigned int>(actual.size()));
if (actual.find("A") == actual.end()) {
ASSERT_EQUALS("A is checked", "failed");
} else {
ASSERT_EQUALS("A is checked", "A is checked");
}
if (actual.find("A;A;B") != actual.end()) {
ASSERT_EQUALS("A;A;B is NOT checked", "failed");
} else {
ASSERT_EQUALS("A;A;B is NOT checked", "A;A;B is NOT checked");
}
}
void testPreprocessorRead1() {
const char* filedata = "/*\n*/ # /*\n*/ defi\\\nne FO\\\nO 10\\\n20";
ASSERT_EQUALS("#define FOO 1020", preprocessorRead(filedata));
}
void testPreprocessorRead2() {
const char* filedata = "\"foo\\\\\nbar\"";
ASSERT_EQUALS("\"foo\\bar\"", preprocessorRead(filedata));
}
void testPreprocessorRead3() {
const char* filedata = "#define A \" a \"\n\" b\"";
ASSERT_EQUALS(filedata, preprocessorRead(filedata));
}
void testPreprocessorRead4() {
{
// test < \\> < > (unescaped)
const char* filedata = "#define A \" \\\\\"/*space*/ \" \"";
ASSERT_EQUALS("#define A \" \\\\\" \" \"", preprocessorRead(filedata));
}
{
// test <" \\\" "> (unescaped)
const char* filedata = "#define A \" \\\\\\\" \"";
ASSERT_EQUALS("#define A \" \\\\\\\" \"", preprocessorRead(filedata));
}
{
// test <" \\\\"> <" "> (unescaped)
const char* filedata = "#define A \" \\\\\\\\\"/*space*/ \" \"";
ASSERT_EQUALS("#define A \" \\\\\\\\\" \" \"", preprocessorRead(filedata));
}
}
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 missingInclude() {
Preprocessor::missingIncludeFlag = false;
std::istringstream src("#include \"missing.h\"\n");
std::string processedFile;
std::list<std::string> cfg;
std::list<std::string> paths;
ASSERT_EQUALS(false, Preprocessor::missingIncludeFlag);
preprocessor0.preprocess(src, processedFile, cfg, "test.c", paths);
ASSERT_EQUALS(true, Preprocessor::missingIncludeFlag);
}
void inline_suppression_for_missing_include() {
Preprocessor::missingIncludeFlag = false;
Settings settings;
settings.inlineSuppressions = true;
settings.addEnabled("all");
Preprocessor preprocessor(settings, this);
std::istringstream src("// cppcheck-suppress missingInclude\n"
"#include \"missing.h\"\n"
"int x;");
std::string processedFile;
std::list<std::string> cfg;
std::list<std::string> paths;
// Don't report that the include is missing
errout.str("");
preprocessor.preprocess(src, processedFile, cfg, "test.c", paths);
ASSERT_EQUALS("", errout.str());
ASSERT_EQUALS(false, Preprocessor::missingIncludeFlag);
}
void predefine1() {
const std::string src("#if defined X || Y\n"
"Fred & Wilma\n"
"#endif\n");
std::string actual = preprocessor0.getcode(src, "X=1", "test.c");
ASSERT_EQUALS("\nFred & Wilma\n\n", actual);
}
void predefine2() {
const std::string src("#if defined(X) && Y\n"
"Fred & Wilma\n"
"#endif\n");
{
std::string actual = preprocessor0.getcode(src, "X=1", "test.c");
ASSERT_EQUALS("\n\n\n", actual);
}
{
std::string actual = preprocessor0.getcode(src, "X=1;Y=2", "test.c");
ASSERT_EQUALS("\nFred & Wilma\n\n", actual);
}
}
void predefine3() {
// #2871 - define in source is not used if -D is used
const char code[] = "#define X 1\n"
"#define Y X\n"
"#if (X == Y)\n"
"Fred & Wilma\n"
"#endif\n";
const std::string actual = preprocessor0.getcode(code, "TEST", "test.c");
ASSERT_EQUALS("\n\n\nFred & Wilma\n\n", actual);
}
void predefine4() {
// #3577
const char code[] = "char buf[X];\n";
const std::string actual = preprocessor0.getcode(code, "X=123", "test.c");
ASSERT_EQUALS("char buf[$123];\n", actual);
}
void predefine5() { // #3737, #5119 - automatically define __cplusplus
// #3737...
const char code[] = "#ifdef __cplusplus\n123\n#endif";
Settings settings;
ASSERT_EQUALS("\n\n\n", preprocessor0.getcode(code, "X=123", "test.c"));
ASSERT_EQUALS("\n123\n\n", preprocessor0.getcode(code, "X=123", "test.cpp"));
// #5119...
ASSERT_EQUALS(false, Preprocessor::cplusplus(nullptr,"test.c"));
ASSERT_EQUALS(true, Preprocessor::cplusplus(nullptr,"test.cpp"));
ASSERT_EQUALS(true, Preprocessor::cplusplus(&settings,"test.cpp"));
settings.userUndefs.insert("__cplusplus");
ASSERT_EQUALS(false, Preprocessor::cplusplus(&settings,"test.cpp"));
}
void predefine6() { // #3737 - using -D and -f => check all matching configurations
const char filedata[] = "#ifdef A\n"
"1\n"
"#else\n"
"2\n"
"#endif\n"
"#ifdef B\n"
"3\n"
"#else\n"
"4\n"
"#endif";
// actual result..
std::map<std::string, std::string> defs;
defs["A"] = "1";
const std::list<std::string> configs = preprocessor0.getcfgs(filedata, "test1.c", defs);
// Compare actual result with expected result..
ASSERT_EQUALS(2U, configs.size());
ASSERT_EQUALS("", configs.front());
ASSERT_EQUALS("B", configs.back());
}
void simplifyCondition() {
// Ticket #2794
std::map<std::string, std::string> cfg;
cfg["C"] = "";
std::string condition("defined(A) || defined(B) || defined(C)");
preprocessor0.simplifyCondition(cfg, condition, true);
ASSERT_EQUALS("1", condition);
}
void invalidElIf() {
// #2942 - segfault
const char code[] = "#elif (){\n";
const std::string actual = preprocessor0.getcode(code, "TEST", "test.c");
ASSERT_EQUALS("\n", actual);
}
void def_handleIncludes() {
const std::string filePath("test.c");
const std::list<std::string> includePaths;
std::map<std::string,std::string> defs;
// ifdef
{
defs.clear();
defs["A"] = "";
{
std::set<std::string> pragmaOnce;
const std::string code("#ifdef A\n123\n#endif\n");
const std::string actual(preprocessor0.handleIncludes(code,filePath,includePaths,defs,pragmaOnce,std::list<std::string>()));
ASSERT_EQUALS("\n123\n\n", actual);
}{
std::set<std::string> pragmaOnce;
const std::string code("#ifdef B\n123\n#endif\n");
const std::string actual(preprocessor0.handleIncludes(code,filePath,includePaths,defs,pragmaOnce,std::list<std::string>()));
ASSERT_EQUALS("\n\n\n", actual);
}
}
// ifndef
{
defs.clear();
defs["A"] = "";
{
std::set<std::string> pragmaOnce;
const std::string code("#ifndef A\n123\n#endif\n");
const std::string actual(preprocessor0.handleIncludes(code,filePath,includePaths,defs,pragmaOnce,std::list<std::string>()));
ASSERT_EQUALS("\n\n\n", actual);
}{
std::set<std::string> pragmaOnce;
const std::string code("#ifndef B\n123\n#endif\n");
const std::string actual(preprocessor0.handleIncludes(code,filePath,includePaths,defs,pragmaOnce,std::list<std::string>()));
ASSERT_EQUALS("\n123\n\n", actual);
}
}
// define - ifndef
{
std::set<std::string> pragmaOnce;
defs.clear();
const std::string code("#ifndef X\n#define X\n123\n#endif\n"
"#ifndef X\n#define X\n123\n#endif\n");
const std::string actual(preprocessor0.handleIncludes(code,filePath,includePaths,defs,pragmaOnce,std::list<std::string>()));
ASSERT_EQUALS("\n#define X\n123\n\n" "\n\n\n\n", actual);
}
// #define => #if
{
std::set<std::string> pragmaOnce;
defs.clear();
const std::string code("#define X 123\n"
"#if X==123\n"
"456\n"
"#endif\n");
const std::string actual(preprocessor0.handleIncludes(code,filePath,includePaths,defs,pragmaOnce,std::list<std::string>()));
ASSERT_EQUALS("#define X 123\n\n456\n\n", actual);
}
// #elif
{
const std::string code("#if defined(A)\n"
"1\n"
"#elif defined(B)\n"
"2\n"
"#elif defined(C)\n"
"3\n"
"#else\n"
"4\n"
"#endif");
{
std::set<std::string> pragmaOnce;
defs.clear();
defs["A"] = "";
defs["C"] = "";
const std::string actual(preprocessor0.handleIncludes(code,filePath,includePaths,defs,pragmaOnce,std::list<std::string>()));
ASSERT_EQUALS("\n1\n\n\n\n\n\n\n\n", actual);
}
{
std::set<std::string> pragmaOnce;
defs.clear();
defs["B"] = "";
const std::string actual(preprocessor0.handleIncludes(code,filePath,includePaths,defs,pragmaOnce,std::list<std::string>()));
ASSERT_EQUALS("\n\n\n2\n\n\n\n\n\n", actual);
}
{
std::set<std::string> pragmaOnce;
defs.clear();
const std::string actual(preprocessor0.handleIncludes(code,filePath,includePaths,defs,pragmaOnce,std::list<std::string>()));
ASSERT_EQUALS("\n\n\n\n\n\n\n4\n\n", actual);
}
}
// #endif
{
// see also endifsemicolon
const std::string code("{\n#ifdef X\n#endif;\n}");
std::set<std::string> pragmaOnce;
defs.clear();
defs["Z"] = "";
const std::string actual(preprocessor0.handleIncludes(code,filePath,includePaths,defs,pragmaOnce,std::list<std::string>()));
ASSERT_EQUALS("{\n\n\n}\n", actual);
}
// #undef
{
const std::string code("#ifndef X\n"
"#define X\n"
"123\n"
"#endif\n");
std::set<std::string> pragmaOnce;
pragmaOnce.clear();
defs.clear();
const std::string actual1(preprocessor0.handleIncludes(code,filePath,includePaths,defs,pragmaOnce,std::list<std::string>()));
pragmaOnce.clear();
defs.clear();
const std::string actual(preprocessor0.handleIncludes(code + "#undef X\n" + code, filePath, includePaths, defs,pragmaOnce,std::list<std::string>()));
ASSERT_EQUALS(actual1 + "#undef X\n" + actual1, actual);
}
// #error
{
errout.str("");
std::set<std::string> pragmaOnce;
defs.clear();
const std::string code("#ifndef X\n#error abc\n#endif");
const std::string actual(preprocessor0.handleIncludes(code,filePath,includePaths,defs,pragmaOnce,std::list<std::string>()));
ASSERT_EQUALS("\n#error abc\n\n", actual);
}
}
void def_missingInclude() {
const std::list<std::string> includePaths;
std::map<std::string,std::string> defs;
defs["AA"] = "";
Settings settings;
Preprocessor preprocessor(settings,this);
// missing local include
{
const std::string code("#include \"missing-include!!.h\"\n");
std::set<std::string> pragmaOnce;
pragmaOnce.clear();
errout.str("");
settings = Settings();
preprocessor.handleIncludes(code,"test.c",includePaths,defs,pragmaOnce,std::list<std::string>());
ASSERT_EQUALS("", errout.str());
pragmaOnce.clear();
errout.str("");
settings.checkConfiguration = true;
preprocessor.handleIncludes(code,"test.c",includePaths,defs,pragmaOnce,std::list<std::string>());
ASSERT_EQUALS("[test.c:1]: (information) Include file: \"missing-include!!.h\" not found.\n", errout.str());
pragmaOnce.clear();
errout.str("");
settings.nomsg.addSuppression("missingInclude");
preprocessor.handleIncludes(code,"test.c",includePaths,defs,pragmaOnce,std::list<std::string>());
ASSERT_EQUALS("", errout.str());
}
// missing system header
{
const std::string code("#include <missing-include!!.h>\n");
std::set<std::string> pragmaOnce;
pragmaOnce.clear();
errout.str("");
settings = Settings();
preprocessor.handleIncludes(code,"test.c",includePaths,defs,pragmaOnce,std::list<std::string>());
ASSERT_EQUALS("", errout.str());
pragmaOnce.clear();
errout.str("");
settings.checkConfiguration = true;
preprocessor.handleIncludes(code,"test.c",includePaths,defs,pragmaOnce,std::list<std::string>());
ASSERT_EQUALS("[test.c:1]: (information) Include file: <missing-include!!.h> not found. Please note: Cppcheck does not need standard library headers to get proper results.\n", errout.str());
pragmaOnce.clear();
errout.str("");
settings.nomsg.addSuppression("missingIncludeSystem");
preprocessor.handleIncludes(code,"test.c",includePaths,defs,pragmaOnce,std::list<std::string>());
ASSERT_EQUALS("", errout.str());
pragmaOnce.clear();
errout.str("");
settings = Settings();
settings.nomsg.addSuppression("missingInclude");
preprocessor.handleIncludes(code,"test.c",includePaths,defs,pragmaOnce,std::list<std::string>());
ASSERT_EQUALS("", errout.str());
}
// #3285 - #elif
{
const std::string code("#ifdef GNU\n"
"#elif defined(WIN32)\n"
"#include \"missing-include!!.h\"\n"
"#endif");
defs.clear();
defs["GNU"] = "";
std::set<std::string> pragmaOnce;
errout.str("");
settings = Settings();
preprocessor.handleIncludes(code,"test.c",includePaths,defs,pragmaOnce,std::list<std::string>());
ASSERT_EQUALS("", errout.str());
}
}
void def_handleIncludes_ifelse1() {
const std::string filePath("test.c");
const std::list<std::string> includePaths;
std::map<std::string,std::string> defs;
// #3405
{
std::set<std::string> pragmaOnce;
defs.clear();
defs["A"] = "";
const std::string code("\n#ifndef PAL_UTIL_UTILS_H_\n"
"#define PAL_UTIL_UTILS_H_\n"
"1\n"
"#ifndef USE_BOOST\n"
"2\n"
"#else\n"
"3\n"
"#endif\n"
"4\n"
"#endif\n"
"\n"
"#ifndef PAL_UTIL_UTILS_H_\n"
"#define PAL_UTIL_UTILS_H_\n"
"5\n"
"#ifndef USE_BOOST\n"
"6\n"
"#else\n"
"7\n"
"#endif\n"
"8\n"
"#endif\n"
"\n");
std::string actual(preprocessor0.handleIncludes(code,filePath,includePaths,defs,pragmaOnce,std::list<std::string>()));
// the 1,2,4 should be in the result
actual.erase(0, actual.find('1'));
while (actual.find('\n') != std::string::npos)
actual.erase(actual.find('\n'), 1);
ASSERT_EQUALS("124", actual);
}
// #3418
{
std::set<std::string> pragmaOnce;
defs.clear();
const char code[] = "#define A 1\n"
"#define B A\n"
"#if A == B\n"
"123\n"
"#endif\n";
std::string actual(preprocessor0.handleIncludes(code, filePath, includePaths, defs,pragmaOnce,std::list<std::string>()));
ASSERT_EQUALS("#define A 1\n#define B A\n\n123\n\n", actual);
}
}
void def_handleIncludes_ifelse2() { // #3651
const char code[] = "#if defined(A)\n"
"\n"
"#if defined(B)\n"
"#endif\n"
"\n"
"#elif defined(C)\n"
"\n"
"#else\n"
"\n"
"123\n"
"\n"
"#endif";
const std::list<std::string> includePaths;
std::map<std::string,std::string> defs;
defs["A"] = "1";
std::set<std::string> pragmaOnce;
ASSERT_EQUALS(std::string::npos, // No "123" in the output
preprocessor0.handleIncludes(code, "test.c", includePaths, defs, pragmaOnce,std::list<std::string>()).find("123"));
}
void def_handleIncludes_ifelse3() { // #4865
const char code[] = "#ifdef A\n"
"#if defined(SOMETHING_NOT_DEFINED)\n"
"#else\n"
"#endif\n"
"#else\n"
"#endif";
Settings settings;
settings.userUndefs.insert("A");
Preprocessor preprocessor(settings, this);
const std::list<std::string> includePaths;
std::map<std::string,std::string> defs;
defs["B"] = "1";
defs["C"] = "1";
std::set<std::string> pragmaOnce;
preprocessor.handleIncludes(code, "test.c", includePaths, defs, pragmaOnce, std::list<std::string>()); // don't crash
}
void def_valueWithParentheses() {
// #define should introduce a new symbol regardless of parentheses in the value
// and regardless of white space in weird places (people do this for some reason).
const char code[] = "#define A (Fred)\n"
" # define B (Flintstone)\n"
" #define C (Barney)\n"
"\t#\tdefine\tD\t(Rubble)\t\t\t\n";
const std::string filePath("test.c");
const std::list<std::string> includePaths;
std::map<std::string,std::string> defs;
std::set<std::string> pragmaOnce;
std::istringstream istr(code);
const std::string s(preprocessor0.read(istr, ""));
preprocessor0.handleIncludes(s, filePath, includePaths, defs, pragmaOnce, std::list<std::string>());
ASSERT(defs.find("A") != defs.end());
ASSERT_EQUALS("(Fred)", defs["A"]);
ASSERT(defs.find("B") != defs.end());
ASSERT_EQUALS("(Flintstone)", defs["B"]);
ASSERT(defs.find("C") != defs.end());
ASSERT_EQUALS("(Barney)", defs["C"]);
ASSERT(defs.find("D") != defs.end());
ASSERT_EQUALS("(Rubble)", defs["D"]);
}
void undef1() {
Settings settings;
const char filedata[] = "#ifdef X\n"
"Fred & Wilma\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
settings.userUndefs.insert("X");
Preprocessor preprocessor(settings, this);
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(1U, actual.size());
ASSERT_EQUALS("\n\n\n", actual[""]);
}
void undef2() {
Settings settings;
const char filedata[] = "#ifndef X\n"
"Fred & Wilma\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
settings.userUndefs.insert("X");
Preprocessor preprocessor(settings, this);
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(1U, actual.size());
ASSERT_EQUALS("\nFred & Wilma\n\n", actual[""]);
}
void undef3() {
Settings settings;
const char filedata[] = "#define X\n"
"#ifdef X\n"
"Fred & Wilma\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
settings.userUndefs.insert("X"); // User undefs should override internal defines
Preprocessor preprocessor(settings, this);
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(1U, actual.size());
ASSERT_EQUALS("\n\n\n\n", actual[""]);
}
void undef4() {
Settings settings;
const char filedata[] = "#define X Y\n"
"#ifdef X\n"
"Fred & Wilma\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
settings.userUndefs.insert("X"); // User undefs should override internal defines
Preprocessor preprocessor(settings, this);
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(1U, actual.size());
ASSERT_EQUALS("\n\n\n\n", actual[""]);
}
void undef5() {
Settings settings;
const char filedata[] = "#define X() Y\n"
"#ifdef X\n"
"Fred & Wilma\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
settings.userUndefs.insert("X"); // User undefs should override internal defines
Preprocessor preprocessor(settings, this);
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(1U, actual.size());
ASSERT_EQUALS("\n\n\n\n", actual[""]);
}
void undef6() {
Settings settings;
const char filedata[] = "#define X Y\n"
"#ifdef X\n"
"Fred & Wilma\n"
"#else\n"
"Barney & Betty\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
settings.userUndefs.insert("X"); // User undefs should override internal defines
Preprocessor preprocessor(settings, this);
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(1U, actual.size());
ASSERT_EQUALS("\n\n\n\nBarney & Betty\n\n", actual[""]);
}
void undef7() {
Settings settings;
const char filedata[] = "#define X XDefined\n"
"X;\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
settings.userUndefs.insert("X"); // User undefs should override internal defines
Preprocessor preprocessor(settings, this);
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(1U, actual.size());
TODO_ASSERT_EQUALS("\n;\n","\n$XDefined;\n", actual[""]);
}
void undef8() {
Settings settings;
const char filedata[] = "#ifdef HAVE_CONFIG_H\n"
"#include \"config.h\"\n"
"#endif\n"
"\n"
"void foo();\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
settings.userUndefs.insert("X"); // User undefs should override internal defines
settings.checkConfiguration = true;
errout.str("");
Preprocessor preprocessor(settings, this);
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS("[file.c:2]: (information) Include file: \"config.h\" not found.\n", errout.str());
ASSERT_EQUALS("\n\n\n\n\n", actual[""]);
}
void undef9() {
Settings settings;
const char filedata[] = "#define X Y\n"
"#ifndef X\n"
"Fred & Wilma\n"
"#else\n"
"Barney & Betty\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
settings.userUndefs.insert("X"); // User undefs should override internal defines
Preprocessor preprocessor(settings, this);
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(1U, actual.size());
ASSERT_EQUALS("\n\nFred & Wilma\n\n\n\n", actual[""]);
}
void undef10() {
Settings settings;
const char filedata[] = "#ifndef X\n"
"#endif\n"
"#ifndef Y\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
settings.userUndefs.insert("X"); // User undefs should override internal defines
Preprocessor preprocessor(settings, this);
std::string processedFile;
std::list<std::string> resultConfigurations;
const std::list<std::string> includePaths;
preprocessor.preprocess(istr, processedFile, resultConfigurations, "file.c", includePaths);
// Compare results. Two configurations "" and "Y". No "X".
ASSERT_EQUALS(2U, resultConfigurations.size());
ASSERT_EQUALS("", resultConfigurations.front());
ASSERT_EQUALS("Y", resultConfigurations.back());
}
void handleUndef() {
Settings settings;
settings.userUndefs.insert("X");
const Preprocessor preprocessor(settings, this);
std::list<std::string> configurations;
// configurations to keep
configurations.clear();
configurations.push_back("XY;");
configurations.push_back("AX;");
configurations.push_back("A;XY");
preprocessor.handleUndef(configurations);
ASSERT_EQUALS(3U, configurations.size());
// configurations to remove
configurations.clear();
configurations.push_back("X;Y");
configurations.push_back("X=1;Y");
configurations.push_back("A;X;B");
configurations.push_back("A;X=1;B");
configurations.push_back("A;X");
configurations.push_back("A;X=1");
preprocessor.handleUndef(configurations);
ASSERT_EQUALS(0U, configurations.size());
}
void macroChar() const {
const char filedata[] = "#define X 1\nX\n";
ASSERT_EQUALS("\n$1\n", OurPreprocessor::expandMacros(filedata,nullptr));
Preprocessor::macroChar = char(1);
ASSERT_EQUALS("\n" + std::string(char(1),1U) + "1\n", OurPreprocessor::expandMacros(filedata,nullptr));
Preprocessor::macroChar = '$';
}
void validateCfg() {
Settings settings;
Preprocessor preprocessor(settings, this);
ASSERT_EQUALS(true, preprocessor.validateCfg("", "X=42")); // don't hang when parsing cfg
ASSERT_EQUALS(false, preprocessor.validateCfg("int y=Y;", "X=42;Y"));
ASSERT_EQUALS(false, preprocessor.validateCfg("int x=X;", "X"));
ASSERT_EQUALS(false, preprocessor.validateCfg("X=1;", "X"));
ASSERT_EQUALS(true, preprocessor.validateCfg("int x=X;", "Y"));
ASSERT_EQUALS(true, preprocessor.validateCfg("FOO_DEBUG()", "DEBUG"));
ASSERT_EQUALS(true, preprocessor.validateCfg("\"DEBUG()\"", "DEBUG"));
ASSERT_EQUALS(true, preprocessor.validateCfg("\"\\\"DEBUG()\"", "DEBUG"));
ASSERT_EQUALS(false, preprocessor.validateCfg("\"DEBUG()\" DEBUG", "DEBUG"));
ASSERT_EQUALS(true, preprocessor.validateCfg("#undef DEBUG", "DEBUG"));
// #4301:
// #ifdef A
// int a = A; // <- using macro. must use -D so "A" will get a proper value
errout.str("");
settings.addEnabled("all");
preprocessor.setFile0("test.c");
ASSERT_EQUALS(false, preprocessor.validateCfg("int a=A;", "A"));
ASSERT_EQUALS("[test.c:1]: (information) Skipping configuration 'A' since the value of 'A' is unknown. Use -D if you want to check it. You can use -U to skip it explicitly.\n", errout.str());
// #4949:
// #ifdef A
// a |= A; // <- using macro. must use -D so "A" will get a proper value
errout.str("");
Settings settings1;
settings = settings1;
ASSERT_EQUALS("", preprocessor.getcode("if (x) a|=A;", "A", "test.c"));
ASSERT_EQUALS("", errout.str());
settings.addEnabled("information");
ASSERT_EQUALS("", preprocessor.getcode("if (x) a|=A;", "A", "test.c"));
ASSERT_EQUALS("[test.c:1]: (information) Skipping configuration 'A' since the value of 'A' is unknown. Use -D if you want to check it. You can use -U to skip it explicitly.\n", errout.str());
}
void if_sizeof() { // #4071
static const char* code = "#if sizeof(unsigned short) == 2\n"
"Fred & Wilma\n"
"#elif sizeof(unsigned short) == 4\n"
"Fred & Wilma\n"
"#else\n"
"#endif";
std::map<std::string, std::string> actual;
preprocess(code, actual);
ASSERT_EQUALS("\nFred & Wilma\n\n\n\n\n", actual[""]);
}
void double_include() {
const char code[] = "int x";
std::list<std::string> includePaths;
includePaths.push_back(".");
includePaths.push_back(".");
std::map<std::string,std::string> defs;
std::set<std::string> pragmaOnce;
preprocessor0.handleIncludes(code, "123.h", includePaths, defs, pragmaOnce, std::list<std::string>());
}
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 wrongPathOnUnicodeError() {
const char filedata[] = "#file ././test.c\n"
"extern int 🌷;\n";
preprocessorRead(filedata);
ASSERT_EQUALS("[test.c:2]: (error) The code contains unhandled characters (character code = 0xf0). Checking continues, but do not expect valid results.\n"
"[test.c:2]: (error) The code contains unhandled characters (character code = 0x9f). Checking continues, but do not expect valid results.\n"
"[test.c:2]: (error) The code contains unhandled characters (character code = 0x8c). Checking continues, but do not expect valid results.\n"
"[test.c:2]: (error) The code contains unhandled characters (character code = 0xb7). Checking continues, but do not expect valid results.\n", errout.str());
}
void wrongPathOnErrorDirective() {
errout.str("");
Settings settings;
settings.userDefines = "foo";
Preprocessor preprocessor(settings, this);
const std::string code("#error hello world!\n");
preprocessor.getcode(code, "X", "./././test.c");
ASSERT_EQUALS("[test.c:1]: (error) #error hello world!\n", errout.str());
}
void testDirectiveIncludeTypes() {
const char filedata[] = "#define macro some definition\n"
"#undef macro\n"
"#ifdef macro\n"
"#elif some (complex) condition\n"
"#else\n"
"#endif\n"
"#if some other condition\n"
"#pragma some proprietary content\n"
"#\n" /* may appear in old C code */
"#ident some text\n" /* may appear in old C code */
"#unknownmacro some unpredictable text\n"
"#warning some warning message\n"
"#error some error message\n";
const char dumpdata[] = " <directivelist>\n"
" <directive file=\"test.c\" linenr=\"1\" str=\"#define macro some definition\"/>\n"
" <directive file=\"test.c\" linenr=\"2\" str=\"#undef macro\"/>\n"
" <directive file=\"test.c\" linenr=\"3\" str=\"#ifdef macro\"/>\n"
" <directive file=\"test.c\" linenr=\"4\" str=\"#elif some (complex) condition\"/>\n"
" <directive file=\"test.c\" linenr=\"5\" str=\"#else\"/>\n"
" <directive file=\"test.c\" linenr=\"6\" str=\"#endif\"/>\n"
" <directive file=\"test.c\" linenr=\"7\" str=\"#if some other condition\"/>\n"
" <directive file=\"test.c\" linenr=\"8\" str=\"#pragma some proprietary content\"/>\n"
" <directive file=\"test.c\" linenr=\"9\" str=\"#\"/>\n"
" <directive file=\"test.c\" linenr=\"10\" str=\"#ident some text\"/>\n"
" <directive file=\"test.c\" linenr=\"11\" str=\"#unknownmacro some unpredictable text\"/>\n"
" <directive file=\"test.c\" linenr=\"12\" str=\"#warning some warning message\"/>\n"
" <directive file=\"test.c\" linenr=\"13\" str=\"#error some error message\"/>\n"
" </directivelist>\n";
std::ostringstream ostr;
Settings settings;
Preprocessor preprocessor(settings, this);
preprocessor.getcode(filedata, "", "test.c");
preprocessor.dump(ostr);
ASSERT_EQUALS(dumpdata, ostr.str());
}
void testDirectiveIncludeLocations() {
const char filedata[] = "#define macro1 val\n"
"#file \"inc1.h\"\n"
"#define macro2 val\n"
"#file \"inc2.h\"\n"
"#define macro3 val\n"
"#endfile\n"
"#define macro4 val\n"
"#endfile\n"
"#define macro5 val\n";
const char dumpdata[] = " <directivelist>\n"
" <directive file=\"test.c\" linenr=\"1\" str=\"#define macro1 val\"/>\n"
" <directive file=\"test.c\" linenr=\"2\" str=\"#include &quot;inc1.h&quot;\"/>\n"
" <directive file=\"inc1.h\" linenr=\"1\" str=\"#define macro2 val\"/>\n"
" <directive file=\"inc1.h\" linenr=\"2\" str=\"#include &quot;inc2.h&quot;\"/>\n"
" <directive file=\"inc2.h\" linenr=\"1\" str=\"#define macro3 val\"/>\n"
" <directive file=\"inc1.h\" linenr=\"3\" str=\"#define macro4 val\"/>\n"
" <directive file=\"test.c\" linenr=\"3\" str=\"#define macro5 val\"/>\n"
" </directivelist>\n";
std::ostringstream ostr;
Settings settings;
Preprocessor preprocessor(settings, this);
preprocessor.getcode(filedata, "", "test.c");
preprocessor.dump(ostr);
ASSERT_EQUALS(dumpdata, ostr.str());
}
void testDirectiveIncludeComments() {
const char filedata[] = "#ifdef macro2 /* this will be removed */\n"
"#else /* this will be removed too */\n"
"#endif /* this will also be removed */\n";
const char dumpdata[] = " <directivelist>\n"
" <directive file=\"test.c\" linenr=\"1\" str=\"#ifdef macro2\"/>\n"
" <directive file=\"test.c\" linenr=\"2\" str=\"#else\"/>\n"
" <directive file=\"test.c\" linenr=\"3\" str=\"#endif\"/>\n"
" </directivelist>\n";
std::ostringstream ostr;
Settings settings;
Preprocessor preprocessor(settings, this);
preprocessor.getcode(filedata, "", "test.c");
preprocessor.dump(ostr);
ASSERT_EQUALS(dumpdata, ostr.str());
}
};
REGISTER_TEST(TestPreprocessor)
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