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testpreprocessor.cpp
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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2012 Daniel Marjamäki and Cppcheck team.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
// The preprocessor that Cppcheck uses is a bit special. Instead of generating
// the code for a known configuration, it generates the code for each configuration.
#include "testsuite.h"
#include "preprocessor.h"
#include "tokenize.h"
#include "token.h"
#include "settings.h"
#include <map>
#include <string>
#include <sstream>
extern std::ostringstream errout;
extern std::ostringstream output;
class TestPreprocessor : public TestFixture {
public:
TestPreprocessor() : TestFixture("TestPreprocessor")
{ }
class OurPreprocessor : public Preprocessor {
public:
static std::string replaceIfDefined(const std::string &str) {
return Preprocessor::replaceIfDefined(str);
}
static std::string expandMacros(std::string code, ErrorLogger *errorLogger = 0) {
return Preprocessor::expandMacros(code, "file.cpp", "", errorLogger);
}
static int getHeaderFileName(std::string &str) {
return Preprocessor::getHeaderFileName(str);
}
};
private:
void run() {
// Just read the code into a string. Perform simple cleanup of the code
TEST_CASE(readCode1);
TEST_CASE(readCode2);
// 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
// #error => don't extract any code
TEST_CASE(error1);
// #error with extended chars
TEST_CASE(error2);
TEST_CASE(error3);
TEST_CASE(error4); // #2919 - wrong filename is reported
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_or_1);
TEST_CASE(if_or_2);
TEST_CASE(if_macro_eq_macro); // #3536
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(macroInMacro1);
TEST_CASE(macroInMacro2);
TEST_CASE(macro_mismatch);
TEST_CASE(macro_linenumbers);
TEST_CASE(macro_nopar);
TEST_CASE(macro_switchCase);
TEST_CASE(string1);
TEST_CASE(string2);
TEST_CASE(string3);
TEST_CASE(preprocessor_undef);
TEST_CASE(defdef); // Defined multiple times
TEST_CASE(preprocessor_doublesharp);
TEST_CASE(preprocessor_include_in_str);
TEST_CASE(va_args_1);
TEST_CASE(va_args_2);
TEST_CASE(va_args_3);
TEST_CASE(va_args_4);
TEST_CASE(multi_character_character);
TEST_CASE(stringify);
TEST_CASE(stringify2);
TEST_CASE(stringify3);
TEST_CASE(stringify4);
TEST_CASE(stringify5);
TEST_CASE(ifdefwithfile);
TEST_CASE(pragma);
TEST_CASE(pragma_asm_1);
TEST_CASE(pragma_asm_2);
TEST_CASE(endifsemicolon);
TEST_CASE(missing_doublequote);
TEST_CASE(handle_error);
TEST_CASE(dup_defines);
TEST_CASE(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_ifdef);
TEST_CASE(define_ifndef1);
TEST_CASE(define_ifndef2);
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); // #2605 - hang for: '#define ='
// 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 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_ifelse); // problems in handleIncludes for #else
TEST_CASE(def_valueWithParenthesis); // #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);
}
void readCode1() {
const char code[] = " \t a //\n"
" #aa\t /* remove this */\tb \r\n";
Settings settings;
Preprocessor preprocessor(&settings, this);
std::istringstream istr(code);
std::string codestr(preprocessor.read(istr,"test.c"));
ASSERT_EQUALS("a\n#aa b\n", codestr);
}
void readCode2() {
const char code[] = "R\"( \" /* abc */ \n)\"";
Settings settings;
Preprocessor preprocessor(&settings, this);
std::istringstream istr(code);
std::string codestr(preprocessor.read(istr,"test.c"));
ASSERT_EQUALS("\" \\\" /* abc */ \\n\"\n", codestr);
}
void Bug2190219() {
const char filedata[] = "int main()\n"
"{\n"
"#ifdef __cplusplus\n"
" int* flags = new int[10];\n"
"#else\n"
" int* flags = (int*)malloc((10)*sizeof(int));\n"
"#endif\n"
"\n"
"#ifdef __cplusplus\n"
" delete [] flags;\n"
"#else\n"
" free(flags);\n"
"#endif\n"
"}\n";
// Expected result..
std::map<std::string, std::string> expected;
expected[""] = "int main()\n"
"{\n"
"\n"
"\n"
"\n"
"int* flags = (int*)malloc((10)*sizeof(int));\n"
"\n"
"\n"
"\n"
"\n"
"\n"
"free(flags);\n"
"\n"
"}\n";
expected["__cplusplus"] = "int main()\n"
"{\n"
"\n"
"int* flags = new int[10];\n"
"\n"
"\n"
"\n"
"\n"
"\n"
"delete [] flags;\n"
"\n"
"\n"
"\n"
"}\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Settings settings;
Preprocessor preprocessor(&settings, this);
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(expected[""], actual[""]);
ASSERT_EQUALS(expected["__cplusplus"], actual["__cplusplus"]);
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
}
void test1() {
const char filedata[] = "#ifdef WIN32 \n"
" abcdef\n"
"#else \n"
" qwerty\n"
"#endif \n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Settings settings;
Preprocessor preprocessor(&settings, this);
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS("\n\n\nqwerty\n\n", actual[""]);
ASSERT_EQUALS("\nabcdef\n\n\n\n", actual["WIN32"]);
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
}
void test2() {
const char filedata[] = "# ifndef WIN32\n"
" \" # ifdef WIN32\" // a comment\n"
" # else \n"
" qwerty\n"
" # endif \n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Settings settings;
Preprocessor preprocessor(&settings, this);
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS("\n\" # ifdef WIN32\"\n\n\n\n", actual[""]);
ASSERT_EQUALS("\n\n\nqwerty\n\n", actual["WIN32"]);
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
}
void test3() {
const char filedata[] = "#ifdef ABC\n"
"a\n"
"#ifdef DEF\n"
"b\n"
"#endif\n"
"c\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Settings settings;
Preprocessor preprocessor(&settings, this);
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS("\n\n\n\n\n\n\n", actual[""]);
ASSERT_EQUALS("\na\n\n\n\nc\n\n", actual["ABC"]);
ASSERT_EQUALS("\na\n\nb\n\nc\n\n", actual["ABC;DEF"]);
ASSERT_EQUALS(3, static_cast<unsigned int>(actual.size()));
}
void test4() {
const char filedata[] = "#ifdef ABC\n"
"A\n"
"#endif\t\n"
"#ifdef ABC\n"
"A\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Settings settings;
Preprocessor preprocessor(&settings, this);
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS("\n\n\n\n\n\n", actual[""]);
ASSERT_EQUALS("\nA\n\n\nA\n\n", actual["ABC"]);
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
}
void test5() {
const char filedata[] = "#ifdef ABC\n"
"A\n"
"#else\n"
"B\n"
"#ifdef DEF\n"
"C\n"
"#endif\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Settings settings;
Preprocessor preprocessor(&settings, this);
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS("\n\n\nB\n\n\n\n\n", actual[""]);
ASSERT_EQUALS("\nA\n\n\n\n\n\n\n", actual["ABC"]);
ASSERT_EQUALS("\n\n\nB\n\nC\n\n\n", actual["DEF"]);
ASSERT_EQUALS(3, static_cast<unsigned int>(actual.size()));
}
void test6() {
const char filedata[] = "#if(A)\n"
"#if ( A ) \n"
"#if A\n"
"#if defined((A))\n"
"#elif defined (A)\n";
std::istringstream istr(filedata);
Settings settings;
Preprocessor preprocessor(&settings, this);
const std::string actual(preprocessor.read(istr, "test.c"));
// Compare results..
ASSERT_EQUALS("#if A\n#if A\n#if A\n#if defined(A)\n#elif defined(A)\n", actual);
}
void test7() {
const char filedata[] = "#ifdef ABC\n"
"A\n"
"#ifdef ABC\n"
"B\n"
"#endif\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Settings settings;
Preprocessor preprocessor(&settings, this);
errout.str("");
preprocessor.preprocess(istr, actual, "file.c");
// 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("\n\n\n\n\n\n", actual[""]);
ASSERT_EQUALS("\nA\n\nB\n\n\n", actual["ABC"]);
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
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::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Settings settings;
Preprocessor preprocessor(&settings, this);
errout.str("");
preprocessor.preprocess(istr, actual, "file.c");
// 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::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Settings settings;
Preprocessor preprocessor(&settings, this);
errout.str("");
preprocessor.preprocess(istr, actual, "file.c");
// 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::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Settings settings;
Preprocessor preprocessor(&settings, this);
errout.str("");
preprocessor.preprocess(istr, actual, "file.c");
// 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::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Settings settings;
Preprocessor preprocessor(&settings, this);
errout.str("");
preprocessor.preprocess(istr, actual, "file.c");
// 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::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Settings settings;
Preprocessor preprocessor(&settings, this);
errout.str("");
preprocessor.preprocess(istr, actual, "file.c");
// 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[] = "#ifdef A == 1\n"
"1\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Settings settings;
Preprocessor preprocessor(&settings, this);
errout.str("");
preprocessor.preprocess(istr, actual, "file.c");
// 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 error1() {
const char filedata[] = "#ifdef A\n"
";\n"
"#else\n"
"#error abcd\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Settings settings;
Preprocessor preprocessor(&settings, this);
errout.str("");
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("", actual[""]);
ASSERT_EQUALS("\n;\n\n\n\n", actual["A"]);
}
void error2() {
errout.str("");
const char filedata[] = "#error ê\n"
"#warning ê\n"
"123";
// Read string..
std::istringstream istr(filedata);
Settings settings;
Preprocessor preprocessor(&settings, this);
ASSERT_EQUALS("#error\n\n123", preprocessor.read(istr,"test.c"));
}
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 if0_exclude() {
Settings settings;
Preprocessor preprocessor(&settings, this);
std::istringstream code("#if 0\n"
"A\n"
"#endif\n"
"B\n");
ASSERT_EQUALS("#if 0\n\n#endif\nB\n", preprocessor.read(code,""));
std::istringstream code2("#if (0)\n"
"A\n"
"#endif\n"
"B\n");
ASSERT_EQUALS("#if 0\n\n#endif\nB\n", preprocessor.read(code2,""));
}
void if0_whitespace() {
Settings settings;
Preprocessor preprocessor(&settings, this);
std::istringstream code(" # if 0 \n"
"A\n"
" # endif \n"
"B\n");
ASSERT_EQUALS("#if 0\n\n#endif\nB\n", preprocessor.read(code,""));
}
void if0_else() {
Settings settings;
Preprocessor preprocessor(&settings, this);
std::istringstream 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", preprocessor.read(code,""));
std::istringstream 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", preprocessor.read(code2,""));
}
void if0_elif() {
Settings settings;
Preprocessor preprocessor(&settings, this);
std::istringstream 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", preprocessor.read(code,""));
}
void if0_include_1() {
Settings settings;
Preprocessor preprocessor(&settings, this);
std::istringstream code("#if 0\n"
"#include \"a.h\"\n"
"#endif\n"
"AB\n");
ASSERT_EQUALS("#if 0\n\n#endif\nAB\n", preprocessor.read(code,""));
}
void if0_include_2() {
Settings settings;
Preprocessor preprocessor(&settings, this);
std::istringstream 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", preprocessor.read(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::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Settings settings;
Preprocessor preprocessor(&settings, this);
preprocessor.preprocess(istr, actual, "file.c");
// Expected configurations: "" and "ABC"
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
}
void includeguard2() {
// Handling include guards..
const char filedata[] = "#file \"abc.h\"\n"
"foo\n"
"#ifdef ABC\n"
"\n"
"#endif\n"
"#endfile\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Settings settings;
Preprocessor preprocessor(&settings, this);
preprocessor.preprocess(istr, actual, "file.c");
// Expected configurations: "" and "ABC"
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS(true, actual.find("") != actual.end());
ASSERT_EQUALS(true, actual.find("ABC") != actual.end());
}
void ifdefwithfile() {
// Handling include guards..
const char filedata[] = "#ifdef ABC\n"
"#file \"abc.h\"\n"
"class A{};/*\n\n\n\n\n\n\n*/\n"
"#endfile\n"
"#endif\n"
"int main() {}\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Settings settings;
Preprocessor preprocessor(&settings, this);
preprocessor.preprocess(istr, actual, "file.c");
Tokenizer tok(&settings, this);
std::istringstream codeStream(actual[""]);
tok.tokenize(codeStream, "main.cpp");
ASSERT_EQUALS("\n\n##file 0\n1:\n2:\n3:\n4: int main ( ) { }\n", tok.tokens()->stringifyList());
// Expected configurations: "" and "ABC"
ASSERT_EQUALS(2, static_cast<unsigned int>(actual.size()));
ASSERT_EQUALS("\n#file \"abc.h\"\n\n\n\n\n\n\n\n\n#endfile\n\nint main() {}\n", actual[""]);
ASSERT_EQUALS("\n#file \"abc.h\"\nclass A{};\n\n\n\n\n\n\n\n#endfile\n\nint main() {}\n", actual["ABC"]);
}
void newlines() {
const char filedata[] = "\r\r\n\n";
// Preprocess
std::istringstream istr(filedata);
Settings settings;
Preprocessor preprocessor(&settings, this);
ASSERT_EQUALS("\n\n\n", preprocessor.read(istr, "test.c"));
}
void comments1() {
{
const char filedata[] = "/*\n"
"#ifdef WIN32\n"
"#endif\n"
"*/\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Settings settings;
Preprocessor preprocessor(&settings, this);
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS("\n\n\n\n", actual[""]);
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
}
{
const char filedata[] = "/*\n"
"\x080 #ifdef WIN32\n"
"#endif\n"
"*/\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Settings settings;
Preprocessor preprocessor(&settings, this);
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS("\n\n\n\n", actual[""]);
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
}
{
const char filedata[] = "void f()\n"
"{\n"
" *p = a / *b / *c;\n"
"}\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Settings settings;
Preprocessor preprocessor(&settings, this);
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS("void f()\n{\n*p = a / *b / *c;\n}\n", actual[""]);
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
}
}
void if0() {
const char filedata[] = " # if /* comment */ 0 // comment\n"
"#ifdef WIN32\n"
"#endif\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Settings settings;
Preprocessor preprocessor(&settings, this);
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS("\n\n\n\n", actual[""]);
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
}
void if1() {
const char filedata[] = " # if /* comment */ 1 // comment\n"
"ABC\n"
" # endif \n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Settings settings;
Preprocessor preprocessor(&settings, this);
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS("\nABC\n\n", actual[""]);
ASSERT_EQUALS(1, static_cast<unsigned int>(actual.size()));
}
void elif() {
{
const char filedata[] = "#if DEF1\n"
"ABC\n"
"#elif DEF2\n"
"DEF\n"
"#endif\n";
// Preprocess => actual result..
std::istringstream istr(filedata);
std::map<std::string, std::string> actual;
Settings settings;
Preprocessor preprocessor(&settings, this);
preprocessor.preprocess(istr, actual, "file.c");
// Compare results..
ASSERT_EQUALS("\n\n\n\n\n", actual[""]);