/* * Cppcheck - A tool for static C/C++ code analysis * Copyright (C) 2007-2009 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 #include #include #include extern std::ostringstream errout; 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(readCode); // 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); // Handling include guards (don't create extra configuration for it) TEST_CASE(includeguard); 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(multiline1); TEST_CASE(multiline2); TEST_CASE(multiline3); TEST_CASE(multiline4); 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_mismatch); TEST_CASE(macro_linenumbers); TEST_CASE(macro_nopar); TEST_CASE(string1); TEST_CASE(string2); TEST_CASE(preprocessor_undef); TEST_CASE(defdef); // Defined multiple times TEST_CASE(preprocessor_doublesharp); TEST_CASE(preprocessor_include_in_str); TEST_CASE(fmt1); TEST_CASE(fmt2); TEST_CASE(fmt3); TEST_CASE(multi_character_character); TEST_CASE(stringify); TEST_CASE(stringify2); TEST_CASE(stringify3); TEST_CASE(stringify4); TEST_CASE(ifdefwithfile); TEST_CASE(pragma); TEST_CASE(pragma_asm); TEST_CASE(endifsemicolon); TEST_CASE(missing_doublequote); 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_ifdef); } void readCode() { const char code[] = " \t a //\n" " #aa\t /* remove this */\tb \r\n"; Preprocessor p; std::istringstream istr(code); std::string codestr(p.read(istr)); ASSERT_EQUALS("a \n#aa b \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 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 actual; Preprocessor preprocessor; preprocessor.preprocess(istr, actual, "file.c"); // Compare results.. ASSERT_EQUALS(expected[""], actual[""]); ASSERT_EQUALS(expected["__cplusplus"], actual["__cplusplus"]); ASSERT_EQUALS(2, static_cast(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 actual; Preprocessor preprocessor; 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(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 actual; Preprocessor preprocessor; 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(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 actual; Preprocessor preprocessor; 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(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 actual; Preprocessor preprocessor; 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(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 actual; Preprocessor preprocessor; 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(actual.size())); } void test6() { const char filedata[] = "#if(AAA)\n" "#if(AAA)\n"; std::istringstream istr(filedata); const std::string actual(Preprocessor::read(istr)); // Compare results.. ASSERT_EQUALS("#if (AAA)\n#if (AAA)\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 actual; Preprocessor preprocessor; errout.str(""); preprocessor.preprocess(istr, actual, "file.c"); // Make sure an error message is written.. ASSERT_EQUALS("", errout.str()); // no change? TODO_ASSERT_EQUALS("[test.cpp:3]: this preprocessor condition is always true", 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(actual.size())); } void includeguard() { // 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 actual; Preprocessor preprocessor; preprocessor.preprocess(istr, actual, "file.c"); // Expected configurations: "" and "ABC" ASSERT_EQUALS(2, static_cast(actual.size())); } 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 actual; Preprocessor preprocessor; preprocessor.preprocess(istr, actual, "file.c"); Tokenizer tok; 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(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); Preprocessor preprocessor; ASSERT_EQUALS("\n\n\n", preprocessor.read(istr)); } void comments1() { { const char filedata[] = "/*\n" "#ifdef WIN32\n" "#endif\n" "*/\n"; // Preprocess => actual result.. std::istringstream istr(filedata); std::map actual; Preprocessor preprocessor; preprocessor.preprocess(istr, actual, "file.c"); // Compare results.. ASSERT_EQUALS("\n\n\n\n", actual[""]); ASSERT_EQUALS(1, static_cast(actual.size())); } { const char filedata[] = "/*\n" "\x080 #ifdef WIN32\n" "#endif\n" "*/\n"; // Preprocess => actual result.. std::istringstream istr(filedata); std::map actual; Preprocessor preprocessor; preprocessor.preprocess(istr, actual, "file.c"); // Compare results.. ASSERT_EQUALS("\n\n\n\n", actual[""]); ASSERT_EQUALS(1, static_cast(actual.size())); } { const char filedata[] = "void f()\n" "{\n" " *p = a / *b / *c;\n" "}\n"; // Preprocess => actual result.. std::istringstream istr(filedata); std::map actual; Preprocessor preprocessor; 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(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 actual; Preprocessor preprocessor; preprocessor.preprocess(istr, actual, "file.c"); // Compare results.. ASSERT_EQUALS("\n\n\n\n", actual[""]); ASSERT_EQUALS(1, static_cast(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 actual; Preprocessor preprocessor; preprocessor.preprocess(istr, actual, "file.c"); // Compare results.. ASSERT_EQUALS("\nABC\n\n", actual[""]); ASSERT_EQUALS(1, static_cast(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 actual; Preprocessor preprocessor; preprocessor.preprocess(istr, actual, "file.c"); // Compare results.. 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"]); ASSERT_EQUALS(3, static_cast(actual.size())); } void match_cfg_def() { { std::map cfg; cfg["ABC"] = ""; ASSERT_EQUALS(false, Preprocessor::match_cfg_def(cfg, "defined(A)")); TODO_ASSERT_EQUALS(true, Preprocessor::match_cfg_def(cfg, "!defined(A)")); ASSERT_EQUALS(false, Preprocessor::match_cfg_def(cfg, "!defined(ABC)&&!defined(DEF)")); TODO_ASSERT_EQUALS(true, Preprocessor::match_cfg_def(cfg, "!defined(A)&&!defined(B)")); } { std::map cfg; cfg["A"] = "1"; cfg["B"] = "2"; TODO_ASSERT_EQUALS(true, Preprocessor::match_cfg_def(cfg, "A==1")); TODO_ASSERT_EQUALS(true, Preprocessor::match_cfg_def(cfg, "A<2")); ASSERT_EQUALS(false, Preprocessor::match_cfg_def(cfg, "A==2")); ASSERT_EQUALS(false, Preprocessor::match_cfg_def(cfg, "A<1")); TODO_ASSERT_EQUALS(true, Preprocessor::match_cfg_def(cfg, "A>=1&&B<=A")); } } void if_cond1() { const char filedata[] = "#if LIBVER>100\n" " A\n" "#else\n" " B\n" "#endif\n"; // Preprocess => actual result.. std::istringstream istr(filedata); std::map actual; Preprocessor preprocessor; preprocessor.preprocess(istr, actual, "file.c"); // Compare results.. ASSERT_EQUALS("\n\n\nB\n\n", actual[""]); ASSERT_EQUALS("\nA\n\n\n\n", actual["LIBVER>100"]); ASSERT_EQUALS(2, static_cast(actual.size())); } 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::istringstream istr(filedata); std::map actual; Preprocessor preprocessor; preprocessor.preprocess(istr, actual, "file.c"); // Compare results.. ASSERT_EQUALS(3, static_cast(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"]); } 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::istringstream istr(filedata); std::map actual; Preprocessor preprocessor; preprocessor.preprocess(istr, actual, "file.c"); // Compare results.. ASSERT_EQUALS(3, static_cast(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::istringstream istr(filedata); std::map actual; Preprocessor preprocessor; preprocessor.preprocess(istr, actual, "file.c"); // Compare results.. ASSERT_EQUALS(1, static_cast(actual.size())); ASSERT_EQUALS("\n\n\nab\n\n", actual[""]); } void multiline1() { const char filedata[] = "#define str \"abc\" \\\n" " \"def\" \n" "abcdef = str;\n"; // Preprocess => actual result.. std::istringstream istr(filedata); Preprocessor preprocessor; ASSERT_EQUALS("#define str \"abc\" \"def\" \n\nabcdef = str;\n", preprocessor.read(istr)); } void multiline2() { const char filedata[] = "#define sqr(aa) aa * \\\n" " aa\n" "sqr(5);\n"; // Preprocess => actual result.. std::istringstream istr(filedata); Preprocessor preprocessor; ASSERT_EQUALS("#define sqr(aa) aa * aa\n\nsqr(5);\n", preprocessor.read(istr)); } void multiline3() { const char filedata[] = "const char *str = \"abc\\\n" "def\\\n" "ghi\"\n"; // Preprocess => actual result.. std::istringstream istr(filedata); Preprocessor preprocessor; ASSERT_EQUALS("const char *str = \"abcdefghi\"\n\n\n", preprocessor.read(istr)); } void multiline4() { errout.str(""); const char filedata[] = "#define A int a = 4;\\ \n" " int b = 5;\n" "A\n"; // Preprocess => actual result.. std::istringstream istr(filedata); std::map actual; Preprocessor preprocessor; preprocessor.preprocess(istr, actual, "file.c"); // Compare results.. ASSERT_EQUALS(1, static_cast(actual.size())); ASSERT_EQUALS("\n\nint a = 4; int b = 5;\n", actual[""]); ASSERT_EQUALS("", errout.str()); } void if_defined() { const char filedata[] = "#if defined(AAA)\n" "#endif\n"; ASSERT_EQUALS("#ifdef AAA\n#endif\n", OurPreprocessor::replaceIfDefined(filedata)); } void if_not_defined() { const char filedata[] = "#if !defined(AAA)\n" "#endif\n"; ASSERT_EQUALS("#ifndef AAA\n#endif\n", OurPreprocessor::replaceIfDefined(filedata)); } void macro_simple1() { { const char filedata[] = "#define AAA(aa) f(aa)\n" "AAA(5);\n"; ASSERT_EQUALS("\nf(5);\n", OurPreprocessor::expandMacros(filedata)); } { const char filedata[] = "#define AAA(aa) f(aa)\n" "AAA (5);\n"; ASSERT_EQUALS("\nf(5);\n", OurPreprocessor::expandMacros(filedata)); } } void macro_simple2() { const char filedata[] = "#define min(x,y) x 0 ) return 1;\n", OurPreprocessor::expandMacros(filedata)); } void macro_simple5() { 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 char filedata[] = "#define ABC (a+b+c)\n" "ABC"; ASSERT_EQUALS("\n(a+b+c)", OurPreprocessor::expandMacros(filedata)); } void macro_simple7() { const char filedata[] = "#define ABC(str) str\n" "ABC(\"(\")"; ASSERT_EQUALS("\n\"(\"", OurPreprocessor::expandMacros(filedata)); } void macro_simple8() { const char filedata[] = "#define ABC 123\n" "#define ABCD 1234\n" "ABC ABCD"; ASSERT_EQUALS("\n\n123 1234", OurPreprocessor::expandMacros(filedata)); } void macro_simple9() { const char filedata[] = "#define ABC(a) f(a)\n" "ABC( \"\\\"\" );\n" "ABC( \"g\" );"; ASSERT_EQUALS("\nf(\"\\\"\");\nf(\"g\");", OurPreprocessor::expandMacros(filedata)); } void macro_simple10() { const char filedata[] = "#define ABC(t) t x\n" "ABC(unsigned long);"; ASSERT_EQUALS("\nunsigned long x;", OurPreprocessor::expandMacros(filedata)); } void macro_mismatch() { 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 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 char filedata[] = "#define AAA( ) { NULL }\n" "AAA()"; ASSERT_EQUALS("\n{ NULL }", OurPreprocessor::expandMacros(filedata)); } void string1() { const char filedata[] = "int main()" "{" " const char *a = \"#define A\n\";" "}"; // Preprocess => actual result.. std::istringstream istr(filedata); std::map actual; Preprocessor preprocessor; preprocessor.preprocess(istr, actual, "file.c"); // Compare results.. ASSERT_EQUALS(1, static_cast(actual.size())); ASSERT_EQUALS("int main(){ const char *a = \"#define A\n\";}\n", actual[""]); } void string2() { const char filedata[] = "#define AAA 123\n" "str = \"AAA\""; // Compare results.. ASSERT_EQUALS("\nstr = \"AAA\"", OurPreprocessor::expandMacros(filedata)); } void preprocessor_undef() { { const char filedata[] = "#define AAA int a;\n" "#undef AAA\n" "#define AAA char b=0;\n" "AAA\n"; // Compare results.. ASSERT_EQUALS("\n\n\nchar b=0;\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", OurPreprocessor::getcode(filedata, "", "", NULL)); } } void defdef() { const char filedata[] = "#define AAA 123\n" "#define AAA 456\n" "#define AAA 789\n" "AAA\n"; // Compare results.. ASSERT_EQUALS("\n\n\n789\n", OurPreprocessor::expandMacros(filedata)); } void preprocessor_doublesharp() { const char filedata[] = "#define TEST(var,val) var = val\n" "TEST(foo,20);\n"; // Compare results.. ASSERT_EQUALS("\nfoo=20;\n", OurPreprocessor::expandMacros(filedata)); const char filedata2[] = "#define TEST(var,val) var##_##val = val\n" "TEST(foo,20);\n"; // Compare results.. ASSERT_EQUALS("\nfoo_20=20;\n", OurPreprocessor::expandMacros(filedata2)); } void preprocessor_include_in_str() { const char filedata[] = "int main()\n" "{\n" "const char *a = \"#include \n\";\n" "return 0;\n" "}\n"; // Preprocess => actual result.. std::istringstream istr(filedata); std::map actual; Preprocessor preprocessor; preprocessor.preprocess(istr, actual, "file.c"); // Compare results.. ASSERT_EQUALS(1, static_cast(actual.size())); ASSERT_EQUALS("int main()\n{\nconst char *a = \"#include \n\";\nreturn 0;\n}\n", actual[""]); } void fmt1() { const char filedata[] = "#define DBG(fmt...) printf(fmt)\n" "DBG(\"[0x%lx-0x%lx)\", pstart, pend);"; // Preprocess.. std::string actual = OurPreprocessor::expandMacros(filedata); ASSERT_EQUALS("\nprintf(\"[0x%lx-0x%lx)\",pstart,pend);", actual); } void fmt2() { const char filedata[] = "#define DBG(fmt, args...) printf(fmt, ## args)\n" "DBG(\"hello\");"; // Preprocess.. std::string actual = OurPreprocessor::expandMacros(filedata); ASSERT_EQUALS("\nprintf(\"hello\");", actual); } void fmt3() { const char filedata[] = "#define FRED(...) { fred(__VA_ARGS__); }\n" "FRED(123)"; ASSERT_EQUALS("\n{ fred(123); }", OurPreprocessor::expandMacros(filedata)); } 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::istringstream istr(filedata); std::map actual; Preprocessor preprocessor; preprocessor.preprocess(istr, actual, "file.c"); // Compare results.. ASSERT_EQUALS(1, static_cast(actual.size())); ASSERT_EQUALS("\nint main()\n{\nif( 'ABCD' == 0 );\nreturn 0;\n}\n", actual[""]); } void stringify() { const char filedata[] = "#define STRINGIFY(x) #x\n" "STRINGIFY(abc)"; // expand macros.. std::string actual = OurPreprocessor::expandMacros(filedata); ASSERT_EQUALS("\n\"abc\"", actual); } void stringify2() { const char filedata[] = "#define A(x) g(#x)\n" "A(abc);"; // expand macros.. std::string actual = OurPreprocessor::expandMacros(filedata); ASSERT_EQUALS("\ng(\"abc\");", actual); } void stringify3() { const char filedata[] = "#define A(x) g(#x)\n" "A( abc);"; // expand macros.. std::string actual = OurPreprocessor::expandMacros(filedata); ASSERT_EQUALS("\ng(\"abc\");", actual); } void stringify4() { const char filedata[] = "#define A(x) #x\n" "1 A(\n" "abc\n" ") 2"; // expand macros.. std::string actual = OurPreprocessor::expandMacros(filedata); ASSERT_EQUALS("\n1 \n\n\"abc\" 2", actual); } void pragma() { const char filedata[] = "#pragma once\n" "void f()\n" "{\n" "}\n"; // Preprocess => actual result.. std::istringstream istr(filedata); std::map actual; Preprocessor preprocessor; preprocessor.preprocess(istr, actual, "file.c"); // Compare results.. ASSERT_EQUALS(1, static_cast(actual.size())); ASSERT_EQUALS("\nvoid f()\n{\n}\n", actual[""]); } void pragma_asm() { const char filedata[] = "#pragma asm\n" " mov r1, 11\n" "#pragma endasm\n" "aaa"; // Preprocess => actual result.. std::istringstream istr(filedata); std::map actual; Preprocessor preprocessor; preprocessor.preprocess(istr, actual, "file.c"); // Compare results.. ASSERT_EQUALS(1, static_cast(actual.size())); ASSERT_EQUALS("\n\n\naaa\n", actual[""]); } void endifsemicolon() { const char filedata[] = "void f()\n" "{\n" "#ifdef A\n" "#endif;\n" "}\n"; // Preprocess => actual result.. std::istringstream istr(filedata); std::map actual; Preprocessor preprocessor; preprocessor.preprocess(istr, actual, "file.c"); // Compare results.. ASSERT_EQUALS(2, static_cast(actual.size())); ASSERT_EQUALS("void f()\n" "{\n" "\n" "\n" "}\n", actual[""]); } 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()); } } void unicodeInCode() { const std::string filedata(std::string("a") + char(200)); std::istringstream istr(filedata); ASSERT_THROW(Preprocessor::read(istr), std::runtime_error); } void unicodeInComment() { const std::string filedata(std::string("//") + char(200)); std::istringstream istr(filedata.c_str()); ASSERT_EQUALS("", Preprocessor::read(istr)); } void unicodeInString() { const std::string filedata(std::string("\"") + char(200) + "\""); std::istringstream istr(filedata.c_str()); ASSERT_EQUALS(filedata, Preprocessor::read(istr)); } void define_part_of_func() { errout.str(""); const char filedata[] = "#define A g(\n" "void f() {\n" " A );\n" " }\n"; // Preprocess => actual result.. std::istringstream istr(filedata); std::map actual; Preprocessor preprocessor; preprocessor.preprocess(istr, actual, "file.c"); // Compare results.. ASSERT_EQUALS(1, static_cast(actual.size())); ASSERT_EQUALS("\nvoid f() {\ng( );\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::istringstream istr(filedata); std::map actual; Preprocessor preprocessor; preprocessor.preprocess(istr, actual, "file.c"); // Compare results.. ASSERT_EQUALS(2, static_cast(actual.size())); ASSERT_EQUALS("\n\n\n\n\n20\n", actual[""]); ASSERT_EQUALS("\n\n\n\n\n10\n", actual["A"]); ASSERT_EQUALS("", errout.str()); } void multiline_comment() { errout.str(""); const char filedata[] = "#define ABC {// \\\n" "}\n" "void f() ABC }\n"; // Preprocess => actual result.. std::istringstream istr(filedata); std::map actual; Preprocessor preprocessor; preprocessor.preprocess(istr, actual, "file.c"); // Compare results.. ASSERT_EQUALS(1, static_cast(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::istringstream istr(filedata); std::map actual; Preprocessor preprocessor(0, this); preprocessor.preprocess(istr, actual, "file.c", std::list()); // Compare results.. ASSERT_EQUALS(1, static_cast(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() { errout.str(""); const char filedata[] = "#define ABC(str) printf( str )\n" "void f()\n" "{\n" " ABC(\"\\n\");\n" "}\n"; // Preprocess => actual result.. std::istringstream istr(filedata); std::map actual; Preprocessor preprocessor(0, this); preprocessor.preprocess(istr, actual, "file.c", std::list()); // Compare results.. ASSERT_EQUALS(1, static_cast(actual.size())); ASSERT_EQUALS("\nvoid f()\n{\nprintf(\"\\n\");\n}\n", actual[""]); ASSERT_EQUALS("", errout.str()); } void includes() { { std::string src = "#include a.h"; ASSERT_EQUALS(0, OurPreprocessor::getHeaderFileName(src)); ASSERT_EQUALS("", src); } { std::string src = "#include \"b.h\""; ASSERT_EQUALS(1, OurPreprocessor::getHeaderFileName(src)); ASSERT_EQUALS("b.h", src); } { std::string src = "#include "; ASSERT_EQUALS(2, OurPreprocessor::getHeaderFileName(src)); ASSERT_EQUALS("c.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::istringstream istr(filedata); std::map actual; Preprocessor preprocessor; 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(actual.size())); } void define_ifdef() { { const char filedata[] = "#define ABC\n" "#ifndef ABC\n" "A\n" "#else\n" "B\n" "#endif\n"; // Preprocess => actual result.. std::istringstream istr(filedata); std::map actual; Preprocessor preprocessor; preprocessor.preprocess(istr, actual, "file.c"); // Compare results.. ASSERT_EQUALS("\n\n\n\nB\n\n", actual[""]); ASSERT_EQUALS(1, actual.size()); } { const char filedata[] = "#define A 1\n" "#ifdef A\n" "A\n" "#endif\n"; // Preprocess => actual result.. std::istringstream istr(filedata); std::map actual; Preprocessor preprocessor; preprocessor.preprocess(istr, actual, "file.c"); // Compare results.. ASSERT_EQUALS("\n\n1\n\n", actual[""]); ASSERT_EQUALS(1, actual.size()); } { const char filedata[] = "#define A 1\n" "#if A==1\n" "A\n" "#endif\n"; // Preprocess => actual result.. std::istringstream istr(filedata); std::map actual; Preprocessor preprocessor; preprocessor.preprocess(istr, actual, "file.c"); // Compare results.. TODO_ASSERT_EQUALS("\n\n1\n\n", actual[""]); TODO_ASSERT_EQUALS(1, actual.size()); } } }; REGISTER_TEST(TestPreprocessor)