/* * 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 . */ // 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 #include "testsuite.h" #define private public #include "../src/tokenize.h" #undef private #include "../src/token.h" extern std::ostringstream errout; class TestTokenizer : public TestFixture { public: TestTokenizer() : TestFixture("TestTokenizer") { } private: void run() { TEST_CASE(minus); TEST_CASE(longtok); TEST_CASE(removeCast1); TEST_CASE(removeCast2); TEST_CASE(inlineasm); TEST_CASE(dupfuncname); TEST_CASE(const_and_volatile_functions); TEST_CASE(ifAddBraces1); TEST_CASE(ifAddBraces2); TEST_CASE(ifAddBraces3); TEST_CASE(ifAddBraces4); TEST_CASE(ifAddBraces5); TEST_CASE(ifAddBraces6); TEST_CASE(ifAddBraces7); TEST_CASE(ifAddBraces8); TEST_CASE(whileAddBraces); TEST_CASE(doWhileAddBraces); TEST_CASE(numeric_true_condition); TEST_CASE(pointers_condition); TEST_CASE(simplifyKnownVariables1); TEST_CASE(simplifyKnownVariables2); TEST_CASE(simplifyKnownVariables3); TEST_CASE(simplifyKnownVariables4); TEST_CASE(simplifyKnownVariables5); TEST_CASE(simplifyKnownVariables6); TEST_CASE(simplifyKnownVariables7); TEST_CASE(simplifyKnownVariables8); TEST_CASE(simplifyKnownVariables9); TEST_CASE(simplifyKnownVariables10); TEST_CASE(simplifyKnownVariables11); TEST_CASE(simplifyKnownVariables12); TEST_CASE(simplifyKnownVariables13); TEST_CASE(simplifyKnownVariables14); TEST_CASE(match1); TEST_CASE(match2); TEST_CASE(varid1); TEST_CASE(varid2); TEST_CASE(varid3); TEST_CASE(varid4); TEST_CASE(varid5); TEST_CASE(varid6); TEST_CASE(varid7); TEST_CASE(varidReturn); TEST_CASE(varid8); TEST_CASE(varid9); TEST_CASE(varid10); TEST_CASE(varid11); TEST_CASE(varid12); TEST_CASE(varidStl); TEST_CASE(varid_delete); TEST_CASE(varid_functions); TEST_CASE(varid_reference_to_containers); TEST_CASE(varid_in_class); TEST_CASE(varidclass1); TEST_CASE(varidclass2); TEST_CASE(varidclass3); TEST_CASE(varidclass4); TEST_CASE(file1); TEST_CASE(file2); TEST_CASE(file3); TEST_CASE(doublesharp); TEST_CASE(macrodoublesharp); TEST_CASE(simplify_function_parameters); TEST_CASE(removeParantheses1); // Ticket #61 TEST_CASE(removeParantheses2); TEST_CASE(removeParantheses3); TEST_CASE(removeParantheses4); // Ticket #390 TEST_CASE(removeParantheses5); // Ticket #392 TEST_CASE(simplify_numeric_condition); TEST_CASE(tokenize_double); TEST_CASE(tokenize_strings); TEST_CASE(simplify_constants); TEST_CASE(simplify_constants2); TEST_CASE(findClassFunction1); TEST_CASE(vardecl1); TEST_CASE(vardecl2); TEST_CASE(vardecl3); TEST_CASE(vardecl4); TEST_CASE(vardecl5); TEST_CASE(vardecl6); TEST_CASE(vardecl7); TEST_CASE(vardecl8); TEST_CASE(vardecl9); TEST_CASE(vardecl10); TEST_CASE(vardecl_stl); TEST_CASE(volatile_variables); TEST_CASE(syntax_error); TEST_CASE(removeKeywords); // unsigned i; => unsigned int i; TEST_CASE(unsigned1); TEST_CASE(testUpdateClassList); TEST_CASE(createLinks); TEST_CASE(signed1); } bool cmptok(const char *expected[], const Token *actual) { unsigned int i = 0; for (; expected[i] && actual; ++i, actual = actual->next()) { if (strcmp(expected[i], actual->str().c_str()) != 0) return false; } return (expected[i] == NULL && actual == NULL); } std::string tokenizeAndStringify(const char code[], bool simplify = false) { // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); if (simplify) tokenizer.simplifyTokenList(); std::ostringstream ostr; for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next()) { ostr << tok->str(); // Append newlines if (tok->next()) { if (tok->linenr() != tok->next()->linenr()) { for (unsigned int i = tok->linenr(); i < tok->next()->linenr(); ++i) ostr << "\n"; } else { ostr << " "; } } } return ostr.str(); } void minus() { ASSERT_EQUALS("i = -12", tokenizeAndStringify("i = -12")); ASSERT_EQUALS("1 - 2", tokenizeAndStringify("1-2")); ASSERT_EQUALS("foo ( -1 ) - 2", tokenizeAndStringify("foo(-1)-2")); ASSERT_EQUALS("int f ( ) { return -2 ; }", tokenizeAndStringify("int f(){return -2;}")); } void longtok() { std::string filedata(10000, 'a'); // tokenize.. Tokenizer tokenizer; std::istringstream istr(filedata); tokenizer.tokenize(istr, "test.cpp"); // Expected result.. ASSERT_EQUALS(std::string(10000, 'a'), tokenizer.tokens()->str()); } // Dont remove "(int *)".. void removeCast1() { const char code[] = "int *f(int *);"; // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.simplifyCasts(); std::ostringstream ostr; for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next()) ostr << " " << tok->str(); ASSERT_EQUALS(" int * f ( int * ) ;", ostr.str()); } // remove static_cast.. void removeCast2() { const char code[] = "t = (static_cast *>(&p));\n"; // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.simplifyCasts(); std::ostringstream ostr; for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next()) ostr << " " << tok->str(); ASSERT_EQUALS(" t = ( & p ) ;", ostr.str()); } void inlineasm() { { const char code[] = "abc asm { mov ax,bx } def"; ASSERT_EQUALS("abc def", tokenizeAndStringify(code)); } { const char code[] = "abc _asm { mov ax,bx } def"; ASSERT_EQUALS("abc def", tokenizeAndStringify(code)); } { const char code[] = "abc __asm { mov ax,bx } def"; ASSERT_EQUALS("abc def", tokenizeAndStringify(code)); } } void dupfuncname() { const char code[] = "void a()\n" "{ }\n" "void a(int i)\n" "{ }\n" "void b()\n" "{ }\n"; // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.fillFunctionList(); ASSERT_EQUALS(1, static_cast(tokenizer._functionList.size())); ASSERT_EQUALS("b", tokenizer._functionList[0]->str()); } void const_and_volatile_functions() { const char code[] = "class B\n\ {\n\ public:\n\ void a();\n\ void b() const;\n\ void c() volatile;\n\ };\n\ \n\ void B::a()\n\ {}\n\ \n\ void B::b() const\n\ {}\n\ \n\ void B::c() volatile\n\ {}\n"; // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.fillFunctionList(); ASSERT_EQUALS(3, static_cast(tokenizer._functionList.size())); if (tokenizer._functionList.size() == 3) { ASSERT_EQUALS("a", tokenizer._functionList[0]->str()); ASSERT_EQUALS("b", tokenizer._functionList[1]->str()); ASSERT_EQUALS("c", tokenizer._functionList[2]->str()); } } void numeric_true_condition() { const char code[] = "void f()\n" "{\n" " if (5==5);\n" "}\n"; ASSERT_EQUALS("void f ( )\n" "{\n" "{ ; }\n" "}", tokenizeAndStringify(code, true)); } void pointers_condition() { const char code[] = "void f()\n" "{\n" " if (p != NULL);\n" " if (NULL != p);\n" " if (this->p != NULL);\n" " if (NULL != this->p);\n" " if (Foo::p != NULL);\n" " if (NULL != Foo::p);\n" " while (p != NULL);\n" " while (NULL != p);\n" " while (this->p != NULL);\n" " while (NULL != this->p);\n" " while (Foo::p != NULL);\n" " while (NULL != Foo::p);\n" " if (p == NULL);\n" " if (NULL == p);\n" " if (this->p == NULL);\n" " if (NULL == this->p);\n" " if (Foo::p == NULL);\n" " if (NULL == Foo::p);\n" " while (p == NULL);\n" " while (NULL == p);\n" " while (this->p == NULL);\n" " while (NULL == this->p);\n" " while (Foo::p == NULL);\n" " while (NULL == Foo::p);\n" " if (p1 != NULL || p2 == NULL) { ; }\n" " if (p1 != NULL && p2 == NULL) { ; }\n" " if (p == '\\0');\n" " if (p == 0L);\n" " if (p == 0UL);\n" " if (p == 0ul);\n" " if (p == 0l);\n" "}\n"; ASSERT_EQUALS("void f ( )\n" "{\n" "if ( p ) { ; }\n" "if ( p ) { ; }\n" "if ( this . p ) { ; }\n" "if ( this . p ) { ; }\n" "if ( Foo :: p ) { ; }\n" "if ( Foo :: p ) { ; }\n" "while ( p ) { ; }\n" "while ( p ) { ; }\n" "while ( this . p ) { ; }\n" "while ( this . p ) { ; }\n" "while ( Foo :: p ) { ; }\n" "while ( Foo :: p ) { ; }\n" "if ( ! p ) { ; }\n" "if ( ! p ) { ; }\n" "if ( ! this . p ) { ; }\n" "if ( ! this . p ) { ; }\n" "if ( ! Foo :: p ) { ; }\n" "if ( ! Foo :: p ) { ; }\n" "while ( ! p ) { ; }\n" "while ( ! p ) { ; }\n" "while ( ! this . p ) { ; }\n" "while ( ! this . p ) { ; }\n" "while ( ! Foo :: p ) { ; }\n" "while ( ! Foo :: p ) { ; }\n" "if ( p1 || ! p2 ) { ; }\n" "if ( p1 && ! p2 ) { ; }\n" "if ( ! p ) { ; }\n" "if ( ! p ) { ; }\n" "if ( ! p ) { ; }\n" "if ( ! p ) { ; }\n" "if ( ! p ) { ; }\n" "}", tokenizeAndStringify(code, true)); } void ifAddBraces1() { const char code[] = "void f()\n" "{\n" " if (a);\n" " else ;\n" "}\n"; ASSERT_EQUALS("void f ( )\n" "{\n" "if ( a ) { ; }\n" "else { ; }\n" "}", tokenizeAndStringify(code, true)); } void ifAddBraces2() { const char code[] = "void f()\n" "{\n" " if (a) if (b) { }\n" "}\n"; ASSERT_EQUALS("void f ( )\n" "{\n" "if ( a ) { if ( b ) { } }\n" "}", tokenizeAndStringify(code, true)); } void ifAddBraces3() { const char code[] = "void f()\n" "{\n" " if (a) for (;;) { }\n" "}\n"; ASSERT_EQUALS("void f ( )\n" "{\n" "if ( a ) { for ( ; ; ) { } }\n" "}", tokenizeAndStringify(code, true)); } void ifAddBraces4() { const char code[] = "char * foo ()\n" "{\n" " char *str = malloc(10);\n" " if (somecondition)\n" " for ( ; ; )\n" " { }\n" " return str;\n" "}\n"; ASSERT_EQUALS("char * foo ( )\n" "{\n" "char * str ; str = malloc ( 10 ) ;\n" "if ( somecondition ) {\n" "for ( ; ; )\n" "{ } }\n" "return str ;\n" "}", tokenizeAndStringify(code, true)); } void ifAddBraces5() { const char code[] = "void f()\n" "{\n" "for(int i = 0; i < 2; i++)\n" "if(true)\n" "return;\n" "\n" "return;\n" "}\n"; ASSERT_EQUALS("void f ( )\n" "{\n" "for ( int i = 0 ; i < 2 ; i ++ ) {\n" "{\n" "return ; } }\n\n" "return ;\n" "}", tokenizeAndStringify(code, true)); } void ifAddBraces6() { const char code[] = "if()"; ASSERT_EQUALS("if ( )", tokenizeAndStringify(code, true)); } void ifAddBraces7() { const char code[] = "void f()\n" "{\n" "int a;\n" "if( a )\n" " ({a=4;}),({a=5;});\n" "}\n"; ASSERT_EQUALS("void f ( )\n" "{\n" "int a ;\n" "if ( a ) {\n" "( { a = 4 ; } ) , ( { a = 5 ; } ) ; }\n" "}", tokenizeAndStringify(code, true)); } void ifAddBraces8() { const char code[] = "do { ; } while(0);"; ASSERT_EQUALS("do { ; } while ( false ) ;", tokenizeAndStringify(code, true)); } void whileAddBraces() { { const char code[] = ";while(a);"; ASSERT_EQUALS("; while ( a ) { ; }", tokenizeAndStringify(code, true)); } } void doWhileAddBraces() { const char code[] = "do ; while (0);"; const char result[] = "do { ; } while ( false ) ;"; ASSERT_EQUALS(result, tokenizeAndStringify(code, true)); } std::string simplifyKnownVariables(const char code[]) { Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.setVarId(); tokenizer.simplifyKnownVariables(); std::ostringstream ostr; for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next()) { if (tok->previous()) ostr << " "; ostr << tok->str(); } return ostr.str(); } void simplifyKnownVariables1() { { const char code[] = "void f()\n" "{\n" " int a = 10;\n" " if (a);\n" "}\n"; ASSERT_EQUALS( "void f ( ) { int a ; a = 10 ; if ( 10 ) ; }", simplifyKnownVariables(code)); } { const char code[] = "void f()\n" "{\n" " int a = 10;\n" " if (!a);\n" "}\n"; ASSERT_EQUALS( "void f ( ) { int a ; a = 10 ; if ( ! 10 ) ; }", simplifyKnownVariables(code)); } } void simplifyKnownVariables2() { const char code[] = "void f()\n" "{\n" " int a = 10;\n" " a = g();\n" " if (a);\n" "}\n"; ASSERT_EQUALS( "void f ( ) { int a ; a = 10 ; a = g ( ) ; if ( a ) ; }", simplifyKnownVariables(code)); } void simplifyKnownVariables3() { const char code[] = "void f()\n" "{\n" " int a = 4;\n" " while(true){\n" " break;\n" " a = 10;\n" " }\n" " if (a);\n" "}\n"; ASSERT_EQUALS( "void f ( ) { int a ; a = 4 ; while ( true ) { break ; a = 10 ; } if ( a ) ; }", simplifyKnownVariables(code)); } void simplifyKnownVariables4() { const char code[] = "void f()\n" "{\n" " int a = 4;\n" " if ( g(a));\n" "}\n"; ASSERT_EQUALS( "void f ( ) { int a ; a = 4 ; if ( g ( 4 ) ) ; }", simplifyKnownVariables(code)); } void simplifyKnownVariables5() { const char code[] = "void f()\n" "{\n" " int a = 4;\n" " if ( a = 5 );\n" "}\n"; ASSERT_EQUALS( "void f ( ) { int a ; a = 4 ; if ( a = 5 ) ; }", simplifyKnownVariables(code)); } void simplifyKnownVariables6() { const char code[] = "void f()\n" "{\n" " char str[2];" " int a = 4;\n" " str[a] = 0;\n" "}\n"; ASSERT_EQUALS( "void f ( ) { char str [ 2 ] ; int a ; a = 4 ; str [ 4 ] = 0 ; }", simplifyKnownVariables(code)); } void simplifyKnownVariables7() { const char code[] = "void foo()\n" "{\n" " int i = 22;\n" " abc[i++] = 1;\n" " abc[++i] = 2;\n" "}\n"; ASSERT_EQUALS( "void foo ( ) { int i ; i = 24 ; abc [ 22 ] = 1 ; abc [ 24 ] = 2 ; }", simplifyKnownVariables(code)); } void simplifyKnownVariables8() { const char code[] = "void foo()\n" "{\n" " int i = 22;\n" " i++;\n" " abc[i] = 0;\n" "}\n"; ASSERT_EQUALS( "void foo ( ) { int i ; i = 23 ; ; abc [ 23 ] = 0 ; }", simplifyKnownVariables(code)); } void simplifyKnownVariables9() { const char code[] = "void foo()\n" "{\n" " int a = 1, b = 2;\n" " if (a < b)\n" " ;\n" "}\n"; ASSERT_EQUALS( "void foo ( ) { int a ; a = 1 ; int b ; b = 2 ; if ( 1 < 2 ) ; }", simplifyKnownVariables(code)); } void simplifyKnownVariables10() { { const char code[] = "void f()\n" "{\n" " bool b=false;\n" "\n" " {\n" " b = true;\n" " }\n" "\n" " if( b )\n" " {\n" " a();\n" " }\n" "}\n"; TODO_ASSERT_EQUALS( "void f ( ) { bool b ; b = false ; { b = true ; } if ( true ) { a ( ) ; } }", simplifyKnownVariables(code)); } { const char code[] = "void f()\n" "{\n" " bool b=false;\n" " { b = false; }\n" " {\n" " b = true;\n" " }\n" "\n" " if( b )\n" " {\n" " a();\n" " }\n" "}\n"; TODO_ASSERT_EQUALS( "void f ( ) { bool b ; b = false ; { b = false ; } { b = true ; } if ( true ) { a ( ) ; } }", simplifyKnownVariables(code)); } { const char code[] = "void f()\n" "{\n" " int b=0;\n" " b = 1;\n" " for( int i = 0; i < 10; i++ )" " {\n" " }\n" "\n" " a(b);\n" "}\n"; ASSERT_EQUALS( "void f ( ) { int b ; b = 0 ; b = 1 ; for ( int i = 0 ; i < 10 ; i ++ ) { } a ( 1 ) ; }", simplifyKnownVariables(code)); } } void simplifyKnownVariables11() { const char code[] = "const int foo = 0;\n" "int main()\n" "{\n" " int foo=0;\n" "}\n"; ASSERT_EQUALS( "const int foo = 0 ; int main ( ) { int foo ; foo = 0 ; }", simplifyKnownVariables(code)); } void simplifyKnownVariables12() { const char code[] = "ENTER_NAMESPACE(project_namespace)\n" "const double pi = 3.14;\n" "int main(){}\n"; ASSERT_EQUALS( "ENTER_NAMESPACE ( project_namespace ) const double pi = 3.14 ; int main ( ) { }", simplifyKnownVariables(code)); } void simplifyKnownVariables13() { const char code[] = "void f()\n" "{\n" " int i = 10;\n" " while(--i) {}\n" "}\n"; ASSERT_EQUALS( "void f ( ) { int i ; i = 10 ; while ( -- i ) { } }", simplifyKnownVariables(code)); } void simplifyKnownVariables14() { // ticket #753 const char code[] = "void f ( ) { int n ; n = 1 ; do { ++ n ; } while ( n < 10 ) ; }"; ASSERT_EQUALS(code, simplifyKnownVariables(code)); } void match1() { // Match "%var% | %var%" { const std::string code("abc|def"); // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); // Match.. ASSERT_EQUALS(true, Token::Match(tokenizer.tokens(), "%var% | %var%")); } // Match "%var% || %var%" { const std::string code("abc||def"); // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); // Match.. ASSERT_EQUALS(true, Token::Match(tokenizer.tokens(), "%var% || %var%")); } } void match2() { { const std::string code(""); // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); // Match.. ASSERT_EQUALS(true, Token::Match(tokenizer.tokens(), "!!else")); } { const std::string code(""); // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); // Match.. ASSERT_EQUALS(false, Token::Match(tokenizer.tokens(), "!!else something")); } { const std::string code("if ;"); // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); // Match.. ASSERT_EQUALS(true, Token::Match(tokenizer.tokens(), "!!return if")); } { const std::string code("if ;"); // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); // Match.. ASSERT_EQUALS(true, Token::Match(tokenizer.tokens(), "if ; !!else")); } { const std::string code("if ; something"); // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); // Match.. ASSERT_EQUALS(true, Token::Match(tokenizer.tokens(), "if ; !!else")); } { const std::string code("else"); // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); // Match.. ASSERT_EQUALS(false, Token::Match(tokenizer.tokens(), "!!else")); } { const std::string code("if ; else"); // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); // Match.. ASSERT_EQUALS(false, Token::Match(tokenizer.tokens(), "if ; !!else")); } } void varid1() { { const std::string code("static int i = 1;\n" "void f()\n" "{\n" " int i = 2;\n" " for (int i = 0; i < 10; ++i)\n" " i = 3;\n" " i = 4;\n" "}\n"); // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.setVarId(); // result.. const std::string actual(tokenizer.tokens()->stringifyList(true)); const std::string expected("\n\n##file 0\n" "1: static int i@1 = 1 ;\n" "2: void f ( )\n" "3: {\n" "4: int i@2 ; i@2 = 2 ;\n" "5: for ( int i@3 = 0 ; i@3 < 10 ; ++ i@3 )\n" "6: i@3 = 3 ;\n" "7: i@2 = 4 ;\n" "8: }\n"); ASSERT_EQUALS(expected, actual); } { const std::string code("static int i = 1;\n" "void f()\n" "{\n" " int i = 2;\n" " for (int i = 0; i < 10; ++i)\n" " {\n" " i = 3;\n" " }\n" " i = 4;\n" "}\n"); // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.setVarId(); // result.. const std::string actual(tokenizer.tokens()->stringifyList(true)); const std::string expected("\n\n##file 0\n" "1: static int i@1 = 1 ;\n" "2: void f ( )\n" "3: {\n" "4: int i@2 ; i@2 = 2 ;\n" "5: for ( int i@3 = 0 ; i@3 < 10 ; ++ i@3 )\n" "6: {\n" "7: i@3 = 3 ;\n" "8: }\n" "9: i@2 = 4 ;\n" "10: }\n"); ASSERT_EQUALS(expected, actual); } } void varid2() { const std::string code("void f()\n" "{\n" " struct ABC abc;\n" " abc.a = 3;\n" " i = abc.a;\n" "}\n"); // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.setVarId(); // result.. const std::string actual(tokenizer.tokens()->stringifyList(true)); const std::string expected("\n\n##file 0\n" "1: void f ( )\n" "2: {\n" "3: struct ABC abc@1 ;\n" "4: abc@1 . a@2 = 3 ;\n" "5: i = abc@1 . a@2 ;\n" "6: }\n"); ASSERT_EQUALS(expected, actual); } void varid3() { const std::string code("static char str[4];\n" "void f()\n" "{\n" " char str[10];\n" " str[0] = 0;\n" "}\n"); // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.setVarId(); // result.. const std::string actual(tokenizer.tokens()->stringifyList(true)); const std::string expected("\n\n##file 0\n" "1: static char str@1 [ 4 ] ;\n" "2: void f ( )\n" "3: {\n" "4: char str@2 [ 10 ] ;\n" "5: str@2 [ 0 ] = 0 ;\n" "6: }\n"); ASSERT_EQUALS(expected, actual); } void varid4() { const std::string code("void f(const unsigned int a[])\n" "{\n" " int i = *(a+10);\n" "}\n"); // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.simplifyTokenList(); // result.. const std::string actual(tokenizer.tokens()->stringifyList(true)); const std::string expected("\n\n##file 0\n" "1: void f ( const int a@1 [ ] )\n" "2: {\n" "3: int i@2 ; i@2 = a@1 [ 10 ] ;\n" "4: }\n"); ASSERT_EQUALS(expected, actual); } void varid5() { const std::string code("void f()\n" "{\n" " int a,b;\n" "}\n"); // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.setVarId(); tokenizer.simplifyTokenList(); // result.. const std::string actual(tokenizer.tokens()->stringifyList(true)); const std::string expected("\n\n##file 0\n" "1: void f ( )\n" "2: {\n" "3: int a@1 ; int b@2 ;\n" "4: }\n"); ASSERT_EQUALS(expected, actual); } void varid6() { const std::string code("int f(int a, int b)\n" "{\n" " return a+b;\n" "}\n"); // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.simplifyTokenList(); // result.. const std::string actual(tokenizer.tokens()->stringifyList(true)); const std::string expected("\n\n##file 0\n" "1: int f ( int a@1 , int b@2 )\n" "2: {\n" "3: return a@1 + b@2 ;\n" "4: }\n"); ASSERT_EQUALS(expected, actual); } void varid7() { const std::string code("void func()\n" "{\n" "char a[256] = \"test\";\n" "{\n" "char b[256] = \"test\";\n" "}\n" "}\n"); // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.setVarId(); // result.. const std::string actual(tokenizer.tokens()->stringifyList(true)); const std::string expected("\n\n##file 0\n" "1: void func ( )\n" "2: {\n" "3: char a@1 [ 256 ] = \"test\" ;\n" "4: {\n" "5: char b@2 [ 256 ] = \"test\" ;\n" "6: }\n" "7: }\n"); ASSERT_EQUALS(expected, actual); } void varidReturn() { const std::string code("int f()\n" "{\n" " int a;\n" " return a;\n" "}\n"); // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.simplifyTokenList(); // result.. const std::string actual(tokenizer.tokens()->stringifyList(true)); const std::string expected("\n\n##file 0\n" "1: int f ( )\n" "2: {\n" "3: int a@1 ;\n" "4: return a@1 ;\n" "5: }\n"); ASSERT_EQUALS(expected, actual); } void varid8() { const std::string code("void func()\n" "{\n" " std::string str(\"test\");\n" " str.clear();\n" "}\n"); // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.setVarId(); // result.. const std::string actual(tokenizer.tokens()->stringifyList(true)); const std::string expected("\n\n##file 0\n" "1: void func ( )\n" "2: {\n" "3: std :: string str@1 ( \"test\" ) ;\n" "4: str@1 . clear ( ) ;\n" "5: }\n"); ASSERT_EQUALS(expected, actual); } void varid9() { const std::string code("typedef int INT32;\n"); // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.setVarId(); // result.. const std::string actual(tokenizer.tokens()->stringifyList(true)); const std::string expected("\n\n##file 0\n" "1: typedef int INT32 ;\n"); ASSERT_EQUALS(expected, actual); } void varid10() { const std::string code("void foo()\n" "{\n" " int abc;\n" " struct abc abc1;\n" "}"); // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.setVarId(); // result.. const std::string actual(tokenizer.tokens()->stringifyList(true)); const std::string expected("\n\n##file 0\n" "1: void foo ( )\n" "2: {\n" "3: int abc@1 ;\n" "4: struct abc abc1@2 ;\n" "5: }\n"); ASSERT_EQUALS(expected, actual); } void varid11() { const std::string code("class Foo;\n"); // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.setVarId(); // result.. const std::string actual(tokenizer.tokens()->stringifyList(true)); const std::string expected("\n\n##file 0\n" "1: class Foo ;\n"); ASSERT_EQUALS(expected, actual); } void varid12() { const std::string code("static void a()\n" "{\n" " class Foo *foo;\n" "}\n"); // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.setVarId(); // result.. const std::string actual(tokenizer.tokens()->stringifyList(true)); const std::string expected("\n\n##file 0\n" "1: static void a ( )\n" "2: {\n" "3: class Foo * foo@1 ;\n" "4: }\n"); ASSERT_EQUALS(expected, actual); } void varidStl() { const std::string code("list ints;\n" "list::iterator it;\n" "std::vector dirs;\n" "std::map coords;\n" "std::tr1::unordered_map xy;\n" "std::list tokens;\n" "static std::vector ex1;\n" "extern std::vector ex2;\n" "std::map m;\n" ); // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.setVarId(); // result.. const std::string actual(tokenizer.tokens()->stringifyList(true)); const std::string expected("\n\n##file 0\n" "1: list < int > ints@1 ;\n" "2: list < int > :: iterator it@2 ;\n" "3: std :: vector < std :: string > dirs@3 ;\n" "4: std :: map < int , int > coords@4 ;\n" "5: std :: tr1 :: unordered_map < int , int > xy@5 ;\n" "6: std :: list < boost :: wave :: token_id > tokens@6 ;\n" "7: static std :: vector < CvsProcess * > ex1@7 ;\n" "8: extern std :: vector < CvsProcess * > ex2@8 ;\n" "9: std :: map < int , 1 > m@9 ;\n" ); ASSERT_EQUALS(expected, actual); } void varid_delete() { const std::string code("void f()\n" "{\n" " int *a;\n" " delete a;\n" "}\n"); // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.setVarId(); // result.. const std::string actual(tokenizer.tokens()->stringifyList(true)); const std::string expected("\n\n##file 0\n" "1: void f ( )\n" "2: {\n" "3: int * a@1 ;\n" "4: delete a@1 ;\n" "5: }\n"); ASSERT_EQUALS(expected, actual); } void varid_functions() { { const std::string code("void f();\n" "void f(){}\n"); // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.setVarId(); // result.. const std::string actual(tokenizer.tokens()->stringifyList(true)); const std::string expected("\n\n##file 0\n" "1: void f ( ) ;\n" "2: void f ( ) { }\n"); ASSERT_EQUALS(expected, actual); } { const std::string code("A f(3);\n" "A f2(true);\n" "A g();\n" "A e(int c);\n"); // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.setVarId(); // result.. const std::string actual(tokenizer.tokens()->stringifyList(true)); const std::string expected("\n\n##file 0\n" "1: A f@1 ( 3 ) ;\n" "2: A f2@2 ( true ) ;\n" "3: A g ( ) ;\n" "4: A e ( int c@3 ) ;\n"); ASSERT_EQUALS(expected, actual); } { const std::string code("void f1(int &p)\n" "{\n" " p = 0;\n" "}\n" "void f2(std::string &str)\n" "{\n" " str.clear();\n" "}\n" "void f3(const std::string &s)\n" "{\n" " s.size();\n" "}\n"); // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.setVarId(); // result.. const std::string actual(tokenizer.tokens()->stringifyList(true)); const std::string expected("\n\n##file 0\n" "1: void f1 ( int & p@1 )\n" "2: {\n" "3: p@1 = 0 ;\n" "4: }\n" "5: void f2 ( std :: string & str@2 )\n" "6: {\n" "7: str@2 . clear ( ) ;\n" "8: }\n" "9: void f3 ( const std :: string & s@3 )\n" "10: {\n" "11: s@3 . size ( ) ;\n" "12: }\n"); ASSERT_EQUALS(expected, actual); } } void varid_reference_to_containers() { const std::string code("void f()\n" "{\n" " std::vector b;\n" " std::vector &a = b;\n" " std::vector *c = &b;\n" "}\n"); // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.setVarId(); // result.. const std::string actual(tokenizer.tokens()->stringifyList(true)); const std::string expected("\n\n##file 0\n" "1: void f ( )\n" "2: {\n" "3: std :: vector < int > b@1 ;\n" "4: std :: vector < int > & a@2 = b@1 ;\n" "5: std :: vector < int > * c@3 = & b@1 ;\n" "6: }\n"); ASSERT_EQUALS(expected, actual); } void varid_in_class() { const std::string code("class Foo\n" "{\n" "public:\n" " std::string name1;\n" " std::string name2;\n" "};\n"); // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.setVarId(); // result.. const std::string actual(tokenizer.tokens()->stringifyList(true)); const std::string expected("\n\n##file 0\n" "1: class Foo\n" "2: {\n" "3: public:\n" "4: std :: string name1@1 ;\n" "5: std :: string name2@2 ;\n" "6: } ;\n"); ASSERT_EQUALS(expected, actual); } void varidclass1() { const std::string code("class Fred\n" "{\n" "private:\n" " int i;\n" "\n" " void foo1();\n" " void foo2()\n" " {\n" " ++i;\n" " }\n" "}\n" "\n" "Fred::foo1()\n" "{\n" " i = 0;\n" "}\n"); // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.setVarId(); // result.. const std::string actual(tokenizer.tokens()->stringifyList(true)); const std::string expected("\n\n##file 0\n" "1: class Fred\n" "2: {\n" "3: private:\n" "4: int i@1 ;\n" "5:\n" "6: void foo1 ( ) ;\n" "7: void foo2 ( )\n" "8: {\n" "9: ++ i@1 ;\n" "10: }\n" "11: }\n" "12:\n" "13: Fred :: foo1 ( )\n" "14: {\n" "15: i@1 = 0 ;\n" "16: }\n"); ASSERT_EQUALS(expected, actual); } void varidclass2() { const std::string code("class Fred\n" "{ void f(); };\n" "\n" "void A::foo1()\n" "{\n" " int i = 0;\n" "}\n" "\n" "void Fred::f()\n" "{\n" " i = 0;\n" "}\n"); // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.setVarId(); // result.. const std::string actual(tokenizer.tokens()->stringifyList(true)); const std::string expected("\n\n##file 0\n" "1: class Fred\n" "2: { void f ( ) ; } ;\n" "3:\n" "4: void A :: foo1 ( )\n" "5: {\n" "6: int i@1 ; i@1 = 0 ;\n" "7: }\n" "8:\n" "9: void Fred :: f ( )\n" "10: {\n" "11: i = 0 ;\n" "12: }\n"); ASSERT_EQUALS(expected, actual); } void varidclass3() { const std::string code("class Fred\n" "{ int i; void f(); };\n" "\n" "void Fred::f()\n" "{\n" " i = 0;\n" "}\n" "\n" "void A::f()\n" "{\n" " i = 0;\n" "}\n"); // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.setVarId(); // result.. const std::string actual(tokenizer.tokens()->stringifyList(true)); const std::string expected("\n\n##file 0\n" "1: class Fred\n" "2: { int i@1 ; void f ( ) ; } ;\n" "3:\n" "4: void Fred :: f ( )\n" "5: {\n" "6: i@1 = 0 ;\n" "7: }\n" "8:\n" "9: void A :: f ( )\n" "10: {\n" "11: i = 0 ;\n" "12: }\n"); ASSERT_EQUALS(expected, actual); } void varidclass4() { const std::string code("class Fred\n" "{ int i; void f(); };\n" "\n" "void Fred::f()\n" "{\n" " if (i) { }\n" " i = 0;\n" "}\n"); // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.setVarId(); // result.. const std::string actual(tokenizer.tokens()->stringifyList(true)); const std::string expected("\n\n##file 0\n" "1: class Fred\n" "2: { int i@1 ; void f ( ) ; } ;\n" "3:\n" "4: void Fred :: f ( )\n" "5: {\n" "6: if ( i@1 ) { }\n" "7: i@1 = 0 ;\n" "8: }\n"); ASSERT_EQUALS(expected, actual); } void file1() { const char code[] = "a1\n" "#file \"b\"\n" "b1\n" "b2\n" "#endfile\n" "a3\n"; // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "a"); for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next()) { std::ostringstream ostr; ostr << char('a' + tok->fileIndex()) << tok->linenr(); ASSERT_EQUALS(tok->str(), ostr.str()); } } void file2() { const char code[] = "a1\n" "#file \"b\"\n" "b1\n" "b2\n" "#file \"c\"\n" "c1\n" "c2\n" "#endfile\n" "b4\n" "#endfile\n" "a3\n" "#file \"d\"\n" "d1\n" "#endfile\n" "a5\n"; // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "a"); for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next()) { std::ostringstream ostr; ostr << char('a' + tok->fileIndex()) << tok->linenr(); ASSERT_EQUALS(tok->str(), ostr.str()); } } void file3() { const char code[] = "#file \"c:\\a.h\"\n" "123\n" "#endfile\n"; // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "a.cpp"); ASSERT_EQUALS("[c:\\a.h:1]", tokenizer.fileLine(tokenizer.tokens())); } void doublesharp() { const char code[] = "TEST(var,val) var##_##val = val\n"; // Tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, ""); // Stringify the tokens.. std::ostringstream ostr; for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next()) ostr << tok->str() << " "; ASSERT_EQUALS("TEST ( var , val ) var ## _ ## val = val ", ostr.str()); } void macrodoublesharp() { const char code[] = "DBG(fmt,args...) printf(fmt, ## args)\n"; // Tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, ""); // Stringify the tokens.. std::ostringstream ostr; for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next()) ostr << tok->str() << " "; ASSERT_EQUALS("DBG ( fmt , args . . . ) printf ( fmt , ## args ) ", ostr.str()); } void simplify_function_parameters() { { const char code[] = "void f(x) int x;\n" "{\n" "}\n"; // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.simplifyTokenList(); std::ostringstream ostr; for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next()) ostr << " " << tok->str(); ASSERT_EQUALS(" void f ( int x ) { }", ostr.str()); } { const char code[] = "void f(x,y) int x; char y;\n" "{\n" "}\n"; // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.simplifyTokenList(); std::ostringstream ostr; for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next()) ostr << " " << tok->str(); ASSERT_EQUALS(" void f ( int x , char y ) { }", ostr.str()); } { // This is not a function but the pattern is similar.. const char code[] = "void foo()\n" "{\n" " if (x)\n" " int x;\n" " { }\n" "}\n"; // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.simplifyTokenList(); std::ostringstream ostr; for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next()) ostr << " " << tok->str(); ASSERT_EQUALS(" void foo ( ) { if ( x ) { int x ; } { } }", ostr.str()); } } // Simplify "((..))" into "(..)" void removeParantheses1() { const char code[] = "void foo()\n" "{\n" " free(((void*)p));\n" "}"; // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.simplifyTokenList(); std::ostringstream ostr; for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next()) ostr << " " << tok->str(); ASSERT_EQUALS(" void foo ( ) { free ( p ) ; }", ostr.str()); } void removeParantheses2() { const char code[] = "void foo()\n" "{\n" " if (__builtin_expect((s == NULL), 0))\n" " return;\n" "}"; // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.simplifyTokenList(); std::ostringstream ostr; for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next()) ostr << " " << tok->str(); ASSERT_EQUALS(" void foo ( ) { if ( ! s ) { return ; } }", ostr.str()); } void removeParantheses3() { { const char code[] = "void foo()\n" "{\n" " if (( true )==(true)){}\n" "}"; // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.simplifyTokenList(); std::ostringstream ostr; for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next()) ostr << " " << tok->str(); ASSERT_EQUALS(" void foo ( ) { { } }", ostr.str()); } { const char code[] = "void foo()\n" "{\n" " if (( 2 )==(2)){}\n" "}"; // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.simplifyTokenList(); std::ostringstream ostr; for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next()) ostr << " " << tok->str(); ASSERT_EQUALS(" void foo ( ) { { } }", ostr.str()); } { const char code[] = "void foo()\n" "{\n" " if( g(10)){}\n" "}"; // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.simplifyTokenList(); std::ostringstream ostr; for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next()) ostr << " " << tok->str(); ASSERT_EQUALS(" void foo ( ) { if ( g ( 10 ) ) { } }", ostr.str()); } } // Simplify "( function (..))" into "function (..)" void removeParantheses4() { const char code[] = "void foo()\n" "{\n" " (free(p));\n" "}"; // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.simplifyTokenList(); std::ostringstream ostr; for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next()) ostr << " " << tok->str(); ASSERT_EQUALS(" void foo ( ) { free ( p ) ; }", ostr.str()); } void removeParantheses5() { // Simplify "( delete x )" into "delete x" { const char code[] = "void foo()\n" "{\n" " (delete p);\n" "}"; // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.simplifyTokenList(); std::ostringstream ostr; for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next()) ostr << " " << tok->str(); ASSERT_EQUALS(" void foo ( ) { delete p ; }", ostr.str()); } // Simplify "( delete [] x )" into "delete [] x" { const char code[] = "void foo()\n" "{\n" " (delete [] p);\n" "}"; // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.simplifyTokenList(); std::ostringstream ostr; for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next()) ostr << " " << tok->str(); ASSERT_EQUALS(" void foo ( ) { delete [ ] p ; }", ostr.str()); } } void simplify_numeric_condition() { { const char code[] = "void f()\n" "{\n" "int x = 0;\n" "if( !x || 0 )\n" "{ g();\n" "}\n" "}"; // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.setVarId(); tokenizer.simplifyTokenList(); std::ostringstream ostr; for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next()) ostr << " " << tok->str(); ASSERT_EQUALS(" void f ( ) { int x ; x = 0 ; { g ( ) ; } }", ostr.str()); } { const char code[] = "void f()\n" "{\n" "int x = 1;\n" "if( !x )\n" "{ g();\n" "}\n" "}"; // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.setVarId(); tokenizer.simplifyTokenList(); std::ostringstream ostr; for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next()) ostr << " " << tok->str(); ASSERT_EQUALS(" void f ( ) { int x ; x = 1 ; }", ostr.str()); } { const char code[] = "void f()\n" "{\n" "bool x = true;\n" "if( !x )\n" "{ g();\n" "}\n" "}"; // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.setVarId(); tokenizer.simplifyTokenList(); std::ostringstream ostr; for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next()) ostr << " " << tok->str(); ASSERT_EQUALS(" void f ( ) { bool x ; x = true ; }", ostr.str()); } { const char code[] = "void f()\n" "{\n" "bool x = false;\n" "if( !x )\n" "{ g();\n" "}\n" "}"; // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.setVarId(); tokenizer.simplifyTokenList(); std::ostringstream ostr; for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next()) ostr << " " << tok->str(); ASSERT_EQUALS(" void f ( ) { bool x ; x = false ; { g ( ) ; } }", ostr.str()); } } void tokenize_double() { const char code[] = "void f()\n" "{\n" " double a = 4.2;\n" " float b = 4.2f;\n" " double c = 4.2e+10;\n" " double d = 4.2e-10;\n" " int e = 4+2;\n" "}\n"; // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); std::ostringstream ostr; for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next()) ostr << " " << tok->str(); ASSERT_EQUALS(" void f ( ) { double a ; a = 4.2 ; float b ; b = 4.2f ; double c ; c = 4.2e+10 ; double d ; d = 4.2e-10 ; int e ; e = 4 + 2 ; }", ostr.str()); } void tokenize_strings() { const char code[] = "void f()\n" "{\n" "const char *a =\n" "{\n" "\"hello \"\n" "\"more \"\n" "\"world\"\n" "};\n" "}\n"; // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.simplifyTokenList(); std::ostringstream ostr; for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next()) ostr << " " << tok->str(); ASSERT_EQUALS(" void f ( ) { const char * a ; a = { \"hello more world\" } ; }", ostr.str()); } void simplify_constants() { const char code[] = "void f()\n" "{\n" "const int a = 45;\n" "if( a )\n" "{ int b = a; }\n" "}\n" "void g()\n" "{\n" "int a = 2;\n" "}\n"; // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.setVarId(); tokenizer.simplifyTokenList(); std::ostringstream ostr; for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next()) ostr << " " << tok->str(); ASSERT_EQUALS(" void f ( ) { const int a = 45 ; { int b ; b = 45 ; } } void g ( ) { int a ; a = 2 ; }", ostr.str()); } void simplify_constants2() { const char code[] = "void f( Foo &foo, Foo *foo2 )\n" "{\n" "const int a = 45;\n" "foo.a=a+a;\n" "foo2->a=a;\n" "}\n"; // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.setVarId(); tokenizer.simplifyTokenList(); std::ostringstream ostr; for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next()) ostr << " " << tok->str(); std::ostringstream oss; oss << " void f ( Foo & foo , Foo * foo2 ) { const int a = 45 ; foo . a = 90 ; foo2 . a = 45 ; }"; ASSERT_EQUALS(oss.str(), ostr.str()); } void findClassFunction1() { const char code[] = "class Fred" "{\n" "public:\n" " Fred()\n" " { }\n" "};\n"; // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); int i; i = 0; const Token *tok = Tokenizer::findClassFunction(tokenizer.tokens(), "Fred", "%var%", i); ASSERT_EQUALS(true, Token::simpleMatch(tok, "Fred ( ) {")); tok = Tokenizer::findClassFunction(tok->next(), "Fred", "%var%", i); ASSERT_EQUALS(0, tok ? 1 : 0); } void vardecl1() { const char code[] = "unsigned int a, b;"; const std::string actual(tokenizeAndStringify(code)); ASSERT_EQUALS("unsigned int a ; unsigned int b ;", actual); } void vardecl2() { const char code[] = "void foo(a,b) unsigned int a, b; { }"; const std::string actual(tokenizeAndStringify(code)); ASSERT_EQUALS("void foo ( a , b ) unsigned int a ; unsigned int b ; { }", actual); } void vardecl3() { const char code[] = "void f() { char * p = foo<10,char>(); }"; const std::string actual(tokenizeAndStringify(code)); ASSERT_EQUALS("void f ( ) { char * p ; p = foo < 10 , char > ( ) ; }", actual); } void vardecl4() { // ticket #346 const char code1[] = "void *p = NULL;"; const char res1[] = "void * p ; p = NULL ;"; ASSERT_EQUALS(res1, tokenizeAndStringify(code1)); const char code2[] = "const void *p = NULL;"; const char res2[] = "const void * p ; p = NULL ;"; ASSERT_EQUALS(res2, tokenizeAndStringify(code2)); const char code3[] = "void * const p = NULL;"; const char res3[] = "void * const p ; p = NULL ;"; ASSERT_EQUALS(res3, tokenizeAndStringify(code3)); const char code4[] = "const void * const p = NULL;"; const char res4[] = "const void * const p ; p = NULL ;"; ASSERT_EQUALS(res4, tokenizeAndStringify(code4)); } void vardecl_stl() { // ticket #520 const char code1[] = "std::vectora, b;"; const char res1[] = "std :: vector < std :: string > a ; std :: vector < std :: string > b ;"; ASSERT_EQUALS(res1, tokenizeAndStringify(code1)); const char code2[] = "std::vector::const_iterator it, cit;"; const char res2[] = "std :: vector < std :: string > :: const_iterator it ; std :: vector < std :: string > :: const_iterator cit ;"; ASSERT_EQUALS(res2, tokenizeAndStringify(code2)); const char code3[] = "std::vector > *c, d;"; const char res3[] = "std :: vector < std :: pair < std :: string , std :: string > > * c ; std :: vector < std :: pair < std :: string , std :: string > > d ;"; ASSERT_EQUALS(res3, tokenizeAndStringify(code3)); } void vardecl5() { // don't simplify declarations of static variables // "static int i = 0;" is not the same as "static int i; i = 0;" const char code[] = "static int i = 0 ;"; ASSERT_EQUALS(code, tokenizeAndStringify(code)); } void vardecl6() { // ticket #565 const char code1[] = "int z = x >> 16;"; const char res1[] = "int z ; z = x >> 16 ;"; ASSERT_EQUALS(res1, tokenizeAndStringify(code1)); } void vardecl7() { // ticket #603 const char code[] = "for (int c = 0; c < 0; ++c) {}\n" "int t;\n" "D(3 > t, \"T\");"; const char res[] = "for ( int c = 0 ; c < 0 ; ++ c ) { }\n" "int t ;\n" "D ( 3 > t , \"T\" ) ;"; ASSERT_EQUALS(res, tokenizeAndStringify(code)); } void vardecl8() { // ticket #696 const char code[] = "char a[10]={'\\0'}, b[10]={'\\0'};"; const char res[] = "char a [ 10 ] = { '\\0' } ; char b [ 10 ] = { '\\0' } ;"; ASSERT_EQUALS(res, tokenizeAndStringify(code)); } void vardecl9() { const char code[] = "char a[2] = {'A', '\\0'}, b[2] = {'B', '\\0'};"; const char res[] = "char a [ 2 ] = { 'A' , '\\0' } ; char b [ 2 ] = { 'B' , '\\0' } ;"; ASSERT_EQUALS(res, tokenizeAndStringify(code)); } void vardecl10() { // ticket #732 const char code[] = "char a [ 2 ] = { '-' } ; memset ( a , '-' , sizeof ( a ) ) ;"; ASSERT_EQUALS(code, tokenizeAndStringify(code)); } void volatile_variables() { const char code[] = "volatile int a=0;\n" "volatile int b=0;\n" "volatile int c=0;\n"; const std::string actual(tokenizeAndStringify(code)); ASSERT_EQUALS("int a ; a = 0 ;\nint b ; b = 0 ;\nint c ; c = 0 ;", actual); } void syntax_error() { { errout.str(""); const char code[] = "void f() {}"; Tokenizer tokenizer(0, this); std::istringstream istr(code); ASSERT_EQUALS(true, tokenizer.tokenize(istr, "test.cpp")); ASSERT_EQUALS("", errout.str()); } { errout.str(""); const char code[] = "void f() {{}"; Tokenizer tokenizer(0, this); std::istringstream istr(code); ASSERT_EQUALS(false, tokenizer.tokenize(istr, "test.cpp")); ASSERT_EQUALS("[test.cpp:1]: (error) Invalid number of character ({). Can't process file.\n", errout.str()); } { errout.str(""); const char code[] = "void f()) {}"; Tokenizer tokenizer(0, this); std::istringstream istr(code); ASSERT_EQUALS(false, tokenizer.tokenize(istr, "test.cpp")); ASSERT_EQUALS("[test.cpp:1]: (error) Invalid number of character ((). Can't process file.\n", errout.str()); } { errout.str(""); const char code[] = "namespace extract{\nB(weighted_moment)\n}\nusing extract::weighted_moment;\n"; Tokenizer tokenizer(0, this); std::istringstream istr(code); ASSERT_EQUALS(true, tokenizer.tokenize(istr, "test.cpp")); tokenizer.simplifyTokenList(); ASSERT_EQUALS("", errout.str()); } } void removeKeywords() { const char code[] = "if (__builtin_expect(!!(x), 1));"; const std::string actual(tokenizeAndStringify(code, true)); ASSERT_EQUALS("if ( ! ! x ) { ; }", actual); } /** * tokenize "signed i" => "int i" */ void signed1() { { const char code[] = "void foo ( signed int , signed float ) ;"; const char code2[] = "void foo ( int , float ) ;"; ASSERT_EQUALS(code2, tokenizeAndStringify(code)); } { const char code1[] = "signed i ;"; const char code2[] = "int i ;"; ASSERT_EQUALS(code2, tokenizeAndStringify(code1)); } { const char code1[] = "signed int i ;"; const char code2[] = "int i ;"; ASSERT_EQUALS(code2, tokenizeAndStringify(code1)); } { const char code1[] = "int signed i ;"; const char code2[] = "int i ;"; ASSERT_EQUALS(code2, tokenizeAndStringify(code1)); } { const char code1[] = "for (signed i=0; i<10; i++)"; const char code2[] = "for ( int i = 0 ; i < 10 ; i ++ )"; ASSERT_EQUALS(code2, tokenizeAndStringify(code1)); } } /** * tokenize "unsigned i" => "unsigned int i" * tokenize "unsigned int" => "unsigned int" */ void unsigned1() { // No changes.. { const char code[] = "void foo ( unsigned int , unsigned float ) ;"; ASSERT_EQUALS(code, tokenizeAndStringify(code)); } // insert "int" after "unsigned".. { const char code1[] = "unsigned i ;"; const char code2[] = "unsigned int i ;"; ASSERT_EQUALS(code2, tokenizeAndStringify(code1)); } { const char code1[] = "int unsigned i ;"; const char code2[] = "unsigned int i ;"; ASSERT_EQUALS(code2, tokenizeAndStringify(code1)); } // insert "int" after "unsigned".. { const char code1[] = "for (unsigned i=0; i<10; i++)"; const char code2[] = "for ( unsigned int i = 0 ; i < 10 ; i ++ )"; ASSERT_EQUALS(code2, tokenizeAndStringify(code1)); } } void tokenizeAndUpdateClassList(const char code[]) { // tokenize.. Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.updateClassList(); } void testUpdateClassList() { const char code[] = "class A{\n" " void f() {}\n" " public:\n" " void g() {}\n" "};"; Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); tokenizer.updateClassList(); ASSERT_EQUALS(2, tokenizer._classInfoList["A"]._memberFunctions.size()); if (tokenizer._classInfoList["A"]._memberFunctions.size() > 1) { ASSERT_EQUALS(std::string("f"), tokenizer._classInfoList["A"]._memberFunctions[0]._name); ASSERT_EQUALS(std::string("f"), tokenizer._classInfoList["A"]._memberFunctions[0]._declaration->str()); ASSERT_EQUALS(ClassInfo::PRIVATE, tokenizer._classInfoList["A"]._memberFunctions[0]._type); ASSERT_EQUALS(std::string("g"), tokenizer._classInfoList["A"]._memberFunctions[1]._name); ASSERT_EQUALS(std::string("g"), tokenizer._classInfoList["A"]._memberFunctions[1]._declaration->str()); ASSERT_EQUALS(ClassInfo::PUBLIC, tokenizer._classInfoList["A"]._memberFunctions[1]._type); } } void createLinks() { { const char code[] = "class A{\n" " void f() {}\n" "};"; Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); const Token *tok = tokenizer.tokens(); // A body {} ASSERT_EQUALS(true, tok->tokAt(2)->link() == tok->tokAt(9)); ASSERT_EQUALS(true, tok->tokAt(9)->link() == tok->tokAt(2)); // f body {} ASSERT_EQUALS(true, tok->tokAt(7)->link() == tok->tokAt(8)); ASSERT_EQUALS(true, tok->tokAt(8)->link() == tok->tokAt(7)); // f () ASSERT_EQUALS(true, tok->tokAt(5)->link() == tok->tokAt(6)); ASSERT_EQUALS(true, tok->tokAt(6)->link() == tok->tokAt(5)); } { const char code[] = "void f(){\n" " char a[10];\n" " char *b ; b = new char[a[0]];\n" "};"; Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); const Token *tok = tokenizer.tokens(); // a[10] ASSERT_EQUALS(true, tok->tokAt(7)->link() == tok->tokAt(9)); ASSERT_EQUALS(true, tok->tokAt(9)->link() == tok->tokAt(7)); // new char[] ASSERT_EQUALS(true, tok->tokAt(19)->link() == tok->tokAt(24)); ASSERT_EQUALS(true, tok->tokAt(24)->link() == tok->tokAt(19)); // a[0] ASSERT_EQUALS(true, tok->tokAt(21)->link() == tok->tokAt(23)); ASSERT_EQUALS(true, tok->tokAt(23)->link() == tok->tokAt(21)); } { const char code[] = "void f(){\n" " foo(g());\n" "};"; Tokenizer tokenizer; std::istringstream istr(code); tokenizer.tokenize(istr, "test.cpp"); const Token *tok = tokenizer.tokens(); // foo( ASSERT_EQUALS(true, tok->tokAt(6)->link() == tok->tokAt(10)); ASSERT_EQUALS(true, tok->tokAt(10)->link() == tok->tokAt(6)); // g( ASSERT_EQUALS(true, tok->tokAt(8)->link() == tok->tokAt(9)); ASSERT_EQUALS(true, tok->tokAt(9)->link() == tok->tokAt(8)); } } }; REGISTER_TEST(TestTokenizer)