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cppcheck/test/testtokenize.cpp

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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2010 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 <cstring>
#include "testsuite.h"
#include "tokenize.h"
#include "token.h"
extern std::ostringstream errout;
class TestTokenizer : public TestFixture
{
public:
TestTokenizer() : TestFixture("TestTokenizer")
{ }
private:
void run()
{
TEST_CASE(tokenize1);
TEST_CASE(tokenize2);
TEST_CASE(tokenize3);
TEST_CASE(tokenize4);
TEST_CASE(tokenize5);
// don't freak out when the syntax is wrong
TEST_CASE(wrong_syntax);
TEST_CASE(minus);
TEST_CASE(longtok);
TEST_CASE(removeCast1);
TEST_CASE(removeCast2);
TEST_CASE(removeCast3);
TEST_CASE(removeCast4);
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(ifAddBraces9);
TEST_CASE(ifAddBraces10);
TEST_CASE(ifAddBraces11);
TEST_CASE(ifAddBraces12);
TEST_CASE(whileAddBraces);
TEST_CASE(doWhileAddBraces);
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(simplifyKnownVariables15);
TEST_CASE(simplifyKnownVariables16);
TEST_CASE(simplifyKnownVariables17);
TEST_CASE(simplifyKnownVariables18);
TEST_CASE(simplifyKnownVariables19);
TEST_CASE(simplifyKnownVariables20);
TEST_CASE(simplifyKnownVariables21);
TEST_CASE(simplifyKnownVariables22);
TEST_CASE(simplifyKnownVariables23);
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(varid13);
TEST_CASE(varid14);
TEST_CASE(varid15);
TEST_CASE(varidStl);
TEST_CASE(varid_delete);
TEST_CASE(varid_functions);
TEST_CASE(varid_reference_to_containers);
TEST_CASE(varid_in_class);
TEST_CASE(varid_operator);
TEST_CASE(varidclass1);
TEST_CASE(varidclass2);
TEST_CASE(varidclass3);
TEST_CASE(varidclass4);
TEST_CASE(varidclass5);
TEST_CASE(varidclass6);
TEST_CASE(varidclass7);
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(removeParantheses6);
TEST_CASE(tokenize_double);
TEST_CASE(tokenize_strings);
TEST_CASE(simplify_constants);
TEST_CASE(simplify_constants2);
TEST_CASE(findClassFunction1);
TEST_CASE(findClassFunction2);
TEST_CASE(vardecl1);
TEST_CASE(vardecl2);
TEST_CASE(vardecl3);
TEST_CASE(vardecl4);
TEST_CASE(vardec_static);
TEST_CASE(vardecl6);
TEST_CASE(vardecl7);
TEST_CASE(vardecl8);
TEST_CASE(vardecl9);
TEST_CASE(vardecl10);
TEST_CASE(vardecl_stl);
TEST_CASE(vardecl_template);
TEST_CASE(volatile_variables);
TEST_CASE(syntax_error);
TEST_CASE(removeKeywords);
// unsigned i; => unsigned int i;
TEST_CASE(unsigned1);
TEST_CASE(unsigned2);
TEST_CASE(unsigned3); // template arguments
TEST_CASE(testUpdateClassList);
TEST_CASE(createLinks);
TEST_CASE(signed1);
TEST_CASE(removeExceptionSpecification1);
TEST_CASE(removeExceptionSpecification2);
TEST_CASE(gt); // use "<" comparisons instead of ">"
TEST_CASE(simplifyString);
TEST_CASE(simplifyConst);
TEST_CASE(switchCase);
TEST_CASE(functionpointer);
TEST_CASE(removeRedundantAssignment);
TEST_CASE(removedeclspec);
TEST_CASE(cpp0xtemplate);
TEST_CASE(arraySize);
TEST_CASE(labels);
TEST_CASE(simplifyInitVar);
}
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())
{
if (!simplify)
{
if (tok->isUnsigned())
ostr << "unsigned ";
else if (tok->isSigned())
ostr << "signed ";
}
if (tok->isLong())
ostr << "long ";
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 tokenize1()
{
const std::string code("void f ( )\n"
"{ if ( p . y ( ) > yof ) { } }");
ASSERT_EQUALS(code, tokenizeAndStringify(code.c_str()));
}
void tokenize2()
{
const std::string code("{ sizeof a, sizeof b }");
ASSERT_EQUALS("{ sizeof a , sizeof b }", tokenizeAndStringify(code.c_str()));
}
void tokenize3()
{
errout.str("");
const std::string code("void foo()\n"
"{\n"
" int i;\n"
" ABC(for(i=0;i<10;i++) x());\n"
"}");
ASSERT_EQUALS("void foo ( )\n"
"{\n"
"int i ;\n"
"ABC ( for ( i = 0 ; i < 10 ; i ++ ) x ( ) ) ;\n"
"}", tokenizeAndStringify(code.c_str()));
ASSERT_EQUALS("", errout.str());
}
void tokenize4()
{
errout.str("");
const std::string code("class foo\n"
"{\n"
"public:\n"
" const int i;\n"
"}");
ASSERT_EQUALS("class foo\n"
"{\n"
"public:\n"
"const int i ;\n"
"}", tokenizeAndStringify(code.c_str()));
ASSERT_EQUALS("", errout.str());
}
void tokenize5()
{
// Tokenize values
ASSERT_EQUALS("; + 1E3 ;", tokenizeAndStringify("; +1E3 ;"));
ASSERT_EQUALS("; 1E-2 ;", tokenizeAndStringify("; 1E-2 ;"));
}
void wrong_syntax()
{
errout.str("");
const std::string code("TR(kvmpio, PROTO(int rw), ARGS(rw), TP_(aa->rw;))");
ASSERT_EQUALS("TR ( kvmpio , PROTO ( int rw ) , ARGS ( rw ) , TP_ ( aa . rw ; ) )", tokenizeAndStringify(code.c_str(), true));
ASSERT_EQUALS("", errout.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<std::vector<int> *>(&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 removeCast3()
{
// ticket #961
const char code[] = "assert (iplen >= (unsigned) ipv4->ip_hl * 4 + 20);";
const char expected[] = "assert ( iplen >= ipv4 . ip_hl * 4 + 20 ) ;";
ASSERT_EQUALS(expected, tokenizeAndStringify(code, true));
}
void removeCast4()
{
// ticket #970
const char code[] = "if (a >= (unsigned)(b)) {}";
const char expected[] = "if ( a >= ( int ) b ) { }";
ASSERT_EQUALS(expected, tokenizeAndStringify(code, true));
}
void inlineasm()
{
ASSERT_EQUALS("; asm ( ) ;", tokenizeAndStringify(";asm { mov ax,bx };"));
ASSERT_EQUALS("; asm ( ) ;", tokenizeAndStringify(";_asm { mov ax,bx };"));
ASSERT_EQUALS("; asm ( ) ;", tokenizeAndStringify(";__asm { mov ax,bx };"));
ASSERT_EQUALS("; asm ( ) ;", tokenizeAndStringify(";__asm__ __volatile__ ( \"mov ax,bx\" );"));
ASSERT_EQUALS("; asm ( ) ;", tokenizeAndStringify(";__asm _emit 12h ;"));
ASSERT_EQUALS("; asm ( ) ;", tokenizeAndStringify(";__asm mov a, b ;"));
}
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<unsigned int>(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<unsigned int>(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 pointers_condition()
{
ASSERT_EQUALS("( p )", tokenizeAndStringify("( p != NULL )", true));
ASSERT_EQUALS("( p )", tokenizeAndStringify("( NULL != p )", true));
ASSERT_EQUALS("( this . p )", tokenizeAndStringify("( this->p != NULL )", true));
ASSERT_EQUALS("( this . p )", tokenizeAndStringify("( NULL != this->p )", true));
ASSERT_EQUALS("( Foo :: p )", tokenizeAndStringify("( Foo::p != NULL )", true));
ASSERT_EQUALS("( Foo :: p )", tokenizeAndStringify("( NULL != Foo::p )", true));
ASSERT_EQUALS("( ! p )", tokenizeAndStringify("( p == NULL )", true));
ASSERT_EQUALS("( ! p )", tokenizeAndStringify("( NULL == p )", true));
ASSERT_EQUALS("( ! this . p )", tokenizeAndStringify("( this->p == NULL )", true));
ASSERT_EQUALS("( ! this . p )", tokenizeAndStringify("( NULL == this->p )", true));
ASSERT_EQUALS("( ! Foo :: p )", tokenizeAndStringify("( Foo::p == NULL )", true));
ASSERT_EQUALS("( ! Foo :: p )", tokenizeAndStringify("( NULL == Foo::p )", true));
ASSERT_EQUALS("( p1 || ! p2 )", tokenizeAndStringify("( p1 != NULL || p2 == NULL )", true));
ASSERT_EQUALS("( p1 && ! p2 )", tokenizeAndStringify("( p1 != NULL && p2 == NULL )", true));
ASSERT_EQUALS("( ! p )", tokenizeAndStringify("( p == false )", true));
ASSERT_EQUALS("( ! p )", tokenizeAndStringify("( p == 0 )", true));
ASSERT_EQUALS("( ! p )", tokenizeAndStringify("( p == '\\0' )", true));
ASSERT_EQUALS("( ! p )", tokenizeAndStringify("( p == 0L )", true));
ASSERT_EQUALS("( ! p )", tokenizeAndStringify("( p == 0UL )", true));
ASSERT_EQUALS("( ! p )", tokenizeAndStringify("( p == 0ul )", true));
ASSERT_EQUALS("( ! p )", tokenizeAndStringify("( p == 0l )", true));
ASSERT_EQUALS("( ! p )", tokenizeAndStringify("( false == p )", true));
ASSERT_EQUALS("( ! p )", tokenizeAndStringify("( 0 == p )", true));
ASSERT_EQUALS("( ! p )", tokenizeAndStringify("( '\\0' == p )", true));
ASSERT_EQUALS("( ! p )", tokenizeAndStringify("( 0L == p )", true));
ASSERT_EQUALS("( ! p )", tokenizeAndStringify("( 0UL == p )", true));
ASSERT_EQUALS("( ! p )", tokenizeAndStringify("( 0ul == p )", true));
ASSERT_EQUALS("( ! p )", tokenizeAndStringify("( 0l == p )", 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 ifAddBraces9()
{
// ticket #990
const char code[] =
"{"
" for (int k=0; k<VectorSize; k++)"
" LOG_OUT(ID_Vector[k])"
"}";
const char expected[] =
"{ "
"for ( int k = 0 ; k < VectorSize ; k ++ ) { "
"LOG_OUT ( ID_Vector [ k ] ) "
"} "
"}";
ASSERT_EQUALS(expected, tokenizeAndStringify(code, true));
}
void ifAddBraces10()
{
// ticket #1361
const char code[] = "{ DEBUG(if (x) y; else z); }";
const char expected[] = "{ DEBUG ( if ( x ) y ; else z ) ; }";
ASSERT_EQUALS(expected, tokenizeAndStringify(code, true));
}
void ifAddBraces11()
{
const char code[] = "{ if (x) if (y) ; else ; }";
const char expected[] = "{ if ( x ) { if ( y ) { ; } else { ; } } }";
ASSERT_EQUALS(expected, tokenizeAndStringify(code, true));
}
void ifAddBraces12()
{
// ticket #1424
const char code[] = "{ if (x) do { } while(x); }";
const char expected[] = "{ if ( x ) { do { } while ( x ) ; } }";
ASSERT_EQUALS(expected, 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 ( 0 ) ;";
ASSERT_EQUALS(result, tokenizeAndStringify(code, false));
}
{
const char code[] = "UNKNOWN_MACRO ( do ) ; while ( a -- ) ;";
const char result[] = "UNKNOWN_MACRO ( do ) ; while ( a -- ) { ; }";
ASSERT_EQUALS(result, tokenizeAndStringify(code, true));
}
{
const char code[] = "UNKNOWN_MACRO ( do , foo ) ; while ( a -- ) ;";
const char result[] = "UNKNOWN_MACRO ( do , foo ) ; while ( a -- ) { ; }";
ASSERT_EQUALS(result, tokenizeAndStringify(code, true));
}
{
const char code[] = "void foo ( int c , int d ) {\n"
" do\n"
" if ( c ) {\n"
" while ( c ) { c -- ; }\n"
" }\n"
" while ( -- d > 0 ) ;\n"
" return 0 ;\n"
"}\n";
const char result[] = "void foo ( int c , int d ) {\n"
"do {\n"
"if ( c ) {\n"
"while ( c ) { c -- ; }\n"
"} }\n"
"while ( -- d > 0 ) ;\n"
"return 0 ;\n"
"}";
ASSERT_EQUALS(result, tokenizeAndStringify(code, true));
}
{
const char code[] = "void foo ( int c , int d ) {\n"
" do\n"
" do c -- ; while ( c ) ;\n"
" while ( -- d > 0 ) ;\n"
" return 0 ;\n"
"}\n";
const char result[] = "void foo ( int c , int d ) {\n"
"do {\n"
"do { c -- ; } while ( c ) ; }\n"
"while ( -- d > 0 ) ;\n"
"return 0 ;\n"
"}";
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";
// TODO: if a is passed by value is is ok to simplify..
ASSERT_EQUALS(
"void f ( ) { int a ; a = 4 ; if ( g ( a ) ) { ; } }",
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"
" return b;\n"
"}\n";
ASSERT_EQUALS(
"void f ( ) { int b ; b = 0 ; b = 1 ; for ( int i = 0 ; i < 10 ; i ++ ) { } return 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 simplifyKnownVariables15()
{
{
const char code[] = "int main()\n"
"{\n"
" int x=5;\n"
" std::cout << 10 / x << std::endl;\n"
"}\n";
ASSERT_EQUALS(
"int main ( ) { int x ; x = 5 ; std :: cout << 10 / 5 << std :: endl ; }",
simplifyKnownVariables(code));
}
{
const char code[] = "int main()\n"
"{\n"
" int x=5;\n"
" std::cout << x / ( x == 1 ) << std::endl;\n"
"}\n";
ASSERT_EQUALS(
"int main ( ) { int x ; x = 5 ; std :: cout << 5 / ( 5 == 1 ) << std :: endl ; }",
simplifyKnownVariables(code));
}
}
void simplifyKnownVariables16()
{
// ticket #807 - segmentation fault when macro isn't found
const char code[] = "void f ( ) { int n = 1; DISPATCH(while); }";
simplifyKnownVariables(code);
}
void simplifyKnownVariables17()
{
// ticket #807 - segmentation fault when macro isn't found
const char code[] = "void f ( ) { char *s = malloc(100);mp_ptr p = s; p++; }";
ASSERT_EQUALS(
"void f ( ) { char * s ; s = malloc ( 100 ) ; mp_ptr p ; p = s ; p ++ ; }",
simplifyKnownVariables(code));
}
void simplifyKnownVariables18()
{
const char code[] = "void f ( ) { char *s = malloc(100);mp_ptr p = s; ++p; }";
ASSERT_EQUALS(
"void f ( ) { char * s ; s = malloc ( 100 ) ; mp_ptr p ; p = s ; ++ p ; }",
simplifyKnownVariables(code));
}
void simplifyKnownVariables19()
{
const char code[] = "void f ( ) { int i=0; do { if (i>0) { a(); } i=b(); } while (i != 12); }";
ASSERT_EQUALS(
"void f ( ) { int i ; i = 0 ; do { if ( 0 < i ) { a ( ) ; } i = b ( ) ; } while ( i != 12 ) ; }",
simplifyKnownVariables(code));
}
void simplifyKnownVariables20()
{
const char code[] = "void f()\n"
"{\n"
" int i = 0;\n"
" if (x) {\n"
" if (i) i=0;\n"
" }\n"
"}\n";
ASSERT_EQUALS(
"void f ( ) { int i ; i = 0 ; if ( x ) { if ( 0 ) { i = 0 ; } } }",
simplifyKnownVariables(code));
}
void simplifyKnownVariables21()
{
const char code[] = "void foo() { int n = 10; for (int i = 0; i < n; ++i) { } }";
ASSERT_EQUALS(
"void foo ( ) { int n ; n = 10 ; for ( int i = 0 ; i < 10 ; ++ i ) { } }",
simplifyKnownVariables(code));
}
void simplifyKnownVariables22()
{
// This testcase is related to ticket #1169
const char code[] = "void foo()\n"
"{\n"
" int n = 10;\n"
" i = (n >> 1);\n"
"}\n";
// Wanted result - Ticket #1169 can probably be closed when this works
TODO_ASSERT_EQUALS(
"void foo ( ) { int n ; n = 10 ; i = ( 10 >> 1 ) ; }",
simplifyKnownVariables(code));
// Current result
ASSERT_EQUALS(
"void foo ( ) { int n ; n = 10 ; i = ( n >> 1 ) ; }",
simplifyKnownVariables(code));
}
void simplifyKnownVariables23()
{
// This testcase is related to ticket #1596
const char code[] = "void foo(int x)\n"
"{\n"
" int a[10], c = 0;\n"
" if (x) {\n"
" a[c] = 0;\n"
" c++;\n"
" } else {\n"
" a[c] = 0;\n"
" }\n"
"}\n";
// wanted result
TODO_ASSERT_EQUALS(
"void foo ( int x ) "
"{"
" int a [ 10 ] ; int c ; c = 0 ;"
" if ( x ) { a [ 0 ] = 0 ; c = 1 ; }"
" else { a [ 0 ] = 0 ; } "
"}",
simplifyKnownVariables(code));
// Current result
ASSERT_EQUALS(
"void foo ( int x ) "
"{"
" int a [ 10 ] ; int c ; c = 0 ;"
" if ( x ) { a [ 0 ] = 0 ; c ++ ; }"
" else { a [ c ] = 0 ; } "
"}",
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"));
}
}
std::string tokenizeDebugListing(const std::string &code, bool simplify = false)
{
Tokenizer tokenizer;
std::istringstream istr(code);
tokenizer.tokenize(istr, "test.cpp");
if (simplify)
tokenizer.simplifyTokenList();
// result..
return tokenizer.tokens()->stringifyList(true);
}
void varid1()
{
{
const std::string actual = tokenizeDebugListing(
"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");
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 actual = tokenizeDebugListing(
"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");
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 actual = tokenizeDebugListing(
"void f()\n"
"{\n"
" struct ABC abc;\n"
" abc.a = 3;\n"
" i = abc.a;\n"
"}\n");
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 actual = tokenizeDebugListing(
"static char str[4];\n"
"void f()\n"
"{\n"
" char str[10];\n"
" str[0] = 0;\n"
"}\n");
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 actual = tokenizeDebugListing(
"void f(const unsigned int a[])\n"
"{\n"
" int i = *(a+10);\n"
"}\n", 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 actual = tokenizeDebugListing(
"void f()\n"
"{\n"
" int a,b;\n"
"}\n", true);
const std::string expected("\n\n##file 0\n"
"1: void f ( )\n"
"2: {\n"
"3: ; ;\n"
"4: }\n");
ASSERT_EQUALS(expected, actual);
}
void varid6()
{
const std::string actual = tokenizeDebugListing(
"int f(int a, int b)\n"
"{\n"
" return a+b;\n"
"}\n", 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 actual = tokenizeDebugListing(
"void func()\n"
"{\n"
"char a[256] = \"test\";\n"
"{\n"
"char b[256] = \"test\";\n"
"}\n"
"}\n");
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 actual = tokenizeDebugListing(
"int f()\n"
"{\n"
" int a;\n"
" return a;\n"
"}\n");
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 actual = tokenizeDebugListing(
"void func()\n"
"{\n"
" std::string str(\"test\");\n"
" str.clear();\n"
"}\n");
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 actual = tokenizeDebugListing(
"typedef int INT32;\n");
const std::string expected("\n\n##file 0\n"
"1: ;\n");
ASSERT_EQUALS(expected, actual);
}
void varid10()
{
const std::string actual = tokenizeDebugListing(
"void foo()\n"
"{\n"
" int abc;\n"
" struct abc abc1;\n"
"}");
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 actual = tokenizeDebugListing(
"class Foo;\n");
const std::string expected("\n\n##file 0\n"
"1: class Foo ;\n");
ASSERT_EQUALS(expected, actual);
}
void varid12()
{
const std::string actual = tokenizeDebugListing(
"static void a()\n"
"{\n"
" class Foo *foo;\n"
"}\n");
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 varid13()
{
const std::string actual = tokenizeDebugListing(
"void f()\n"
"{\n"
" int a; int b;\n"
" a = a;\n"
"}\n", true);
const std::string expected("\n\n##file 0\n"
"1: void f ( )\n"
"2: {\n"
"3: int a@1 ; ;\n"
"4: a@1 = a@1 ;\n"
"5: }\n");
ASSERT_EQUALS(expected, actual);
}
void varid14()
{
// Overloaded operator*
const std::string actual = tokenizeDebugListing(
"void foo()\n"
"{\n"
"A a;\n"
"B b;\n"
"b * a;\n"
"}");
const std::string expected("\n\n##file 0\n"
"1: void foo ( )\n"
"2: {\n"
"3: A a@1 ;\n"
"4: B b@2 ;\n"
"5: b@2 * a@1 ;\n"
"6: }\n");
ASSERT_EQUALS(expected, actual);
}
void varid15()
{
{
const std::string actual = tokenizeDebugListing(
"struct S {\n"
" struct T {\n"
" } t;\n"
"} s;");
const std::string expected("\n\n##file 0\n"
"1: struct S {\n"
"2: struct T {\n"
"3: } ; T t@1 ;\n"
"4: } ; S s@2 ;\n");
ASSERT_EQUALS(expected, actual);
}
{
const std::string actual = tokenizeDebugListing(
"struct S {\n"
" struct T {\n"
" } t;\n"
"};");
const std::string expected("\n\n##file 0\n"
"1: struct S {\n"
"2: struct T {\n"
"3: } ; T t@1 ;\n"
"4: } ;\n");
ASSERT_EQUALS(expected, actual);
}
}
void varidStl()
{
const std::string actual = tokenizeDebugListing(
"list<int> ints;\n"
"list<int>::iterator it;\n"
"std::vector<std::string> dirs;\n"
"std::map<int, int> coords;\n"
"std::tr1::unordered_map<int, int> xy;\n"
"std::list<boost::wave::token_id> tokens;\n"
"static std::vector<CvsProcess*> ex1;\n"
"extern std::vector<CvsProcess*> ex2;\n"
"std::map<int, 1> m;\n"
);
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 actual = tokenizeDebugListing(
"void f()\n"
"{\n"
" int *a;\n"
" delete a;\n"
"}\n");
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 actual = tokenizeDebugListing(
"void f();\n"
"void f(){}\n");
const std::string expected("\n\n##file 0\n"
"1: void f ( ) ;\n"
"2: void f ( ) { }\n");
ASSERT_EQUALS(expected, actual);
}
{
const std::string actual = tokenizeDebugListing(
"A f(3);\n"
"A f2(true);\n"
"A g();\n"
"A e(int c);\n");
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 actual = tokenizeDebugListing(
"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");
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 actual = tokenizeDebugListing(
"void f()\n"
"{\n"
" std::vector<int> b;\n"
" std::vector<int> &a = b;\n"
" std::vector<int> *c = &b;\n"
"}\n");
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 actual = tokenizeDebugListing(
"class Foo\n"
"{\n"
"public:\n"
" std::string name1;\n"
" std::string name2;\n"
"};\n");
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);
}
{
const std::string actual = tokenizeDebugListing(
"class foo\n"
"{\n"
"public:\n"
" void do_something(const int x, const int y);\n"
" void bar();\n"
"};\n"
"\n"
"void foo::bar()\n"
"{\n"
" POINT pOutput = { 0 , 0 };\n"
" int x = pOutput.x;\n"
" int y = pOutput.y;\n"
"}\n");
const std::string expected("\n\n##file 0\n"
"1: class foo\n"
"2: {\n"
"3: public:\n"
"4: void do_something ( const int x@1 , const int y@2 ) ;\n"
"5: void bar ( ) ;\n"
"6: } ;\n"
"7:\n"
"8: void foo :: bar ( )\n"
"9: {\n"
"10: POINT pOutput@3 ; pOutput@3 = { 0 , 0 } ;\n"
"11: int x@4 ; x@4 = pOutput@3 . x@6 ;\n"
"12: int y@5 ; y@5 = pOutput@3 . y@7 ;\n"
"13: }\n");
ASSERT_EQUALS(expected, actual);
}
}
void varid_operator()
{
const std::string actual = tokenizeDebugListing(
"class Foo\n"
"{\n"
"public:\n"
" void operator=(const Foo &);\n"
"};\n");
const std::string expected("\n\n##file 0\n"
"1: class Foo\n"
"2: {\n"
"3: public:\n"
"4: void operator = ( const Foo & ) ;\n"
"5: } ;\n");
ASSERT_EQUALS(expected, actual);
}
void varidclass1()
{
const std::string actual = tokenizeDebugListing(
"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");
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 actual = tokenizeDebugListing(
"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");
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 actual = tokenizeDebugListing(
"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");
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 actual = tokenizeDebugListing(
"class Fred\n"
"{ int i; void f(); };\n"
"\n"
"void Fred::f()\n"
"{\n"
" if (i) { }\n"
" i = 0;\n"
"}\n");
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 varidclass5()
{
const std::string actual = tokenizeDebugListing(
"class A { };\n"
"class B\n"
"{\n"
" A *a;\n"
" B() : a(new A)\n"
" { }\n"
"};\n");
const std::string expected("\n\n##file 0\n"
"1: class A { } ;\n"
"2: class B\n"
"3: {\n"
"4: A * a@1 ;\n"
"5: B ( ) : a@1 ( new A )\n"
"6: { }\n"
"7: } ;\n");
ASSERT_EQUALS(expected, actual);
}
void varidclass6()
{
const std::string actual = tokenizeDebugListing(
"class A\n"
"{\n"
" public:\n"
" static char buf[20];\n"
"};\n"
"char A::buf[20];\n"
"int main()\n"
"{\n"
" char buf[2];\n"
" A::buf[10] = 0;\n"
"}");
const std::string expected("\n\n##file 0\n"
"1: class A\n"
"2: {\n"
"3: public:\n"
"4: static char buf@1 [ 20 ] ;\n"
"5: } ;\n"
"6: char A :: buf [ 20 ] ;\n"
"7: int main ( )\n"
"8: {\n"
"9: char buf@2 [ 2 ] ;\n"
"10: A :: buf@1 [ 10 ] = 0 ;\n"
"11: }\n");
ASSERT_EQUALS(expected, actual);
}
void varidclass7()
{
const std::string actual = tokenizeDebugListing(
"int main()\n"
"{\n"
" char buf[2];\n"
" A::buf[10] = 0;\n"
"}");
const std::string expected("\n\n##file 0\n"
"1: int main ( )\n"
"2: {\n"
"3: char buf@1 [ 2 ] ;\n"
"4: A :: buf [ 10 ] = 0 ;\n"
"5: }\n");
TODO_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[] = "char a [ ABC ( DEF ) ] ;";
ASSERT_EQUALS(code, tokenizeAndStringify(code, true));
}
{
const char code[] = "module ( a , a , sizeof ( a ) , 0444 ) ;";
ASSERT_EQUALS(code, tokenizeAndStringify(code, true));
}
ASSERT_EQUALS("void f ( int x ) { }", tokenizeAndStringify("void f(x) int x; { }", true));
ASSERT_EQUALS("void f ( int x , char y ) { }", tokenizeAndStringify("void f(x,y) int x; char y; { }", true));
// #1067 - Not simplified. Feel free to fix so it is simplified correctly but this syntax is obsolete.
ASSERT_EQUALS("int ( * d ( a , b , c ) ) ( ) int a ; int b ; int c ; { }", tokenizeAndStringify("int (*d(a,b,c))()int a,b,c; { }", true));
{
// This is not a function but the pattern is similar..
const char code[] = "void foo()"
"{"
" if (x)"
" int x;"
" { }"
"}";
ASSERT_EQUALS("void foo ( ) { if ( x ) { ; } { } }", tokenizeAndStringify(code, true));
}
}
// 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());
}
}
// "!(abc.a)" => "!abc.a"
void removeParantheses6()
{
const char code[] = "(!(abc.a))";
// 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(" ( ! abc . a )", 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 ; { ; ; } } void g ( ) { ; ; }", 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 findClassFunction2()
{
const char code[] =
"struct Fred"
"{\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, true);
ASSERT_EQUALS(true, Token::simpleMatch(tok, "Fred ( ) {"));
tok = tokenizer.findClassFunction(tok->next(), "Fred", "%var%", i, false);
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::vector<std::string>a, b;";
const char res1[] = "std :: vector < std :: string > a ; std :: vector < std :: string > b ;";
ASSERT_EQUALS(res1, tokenizeAndStringify(code1));
const char code2[] = "std::vector<std::string>::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<std::pair<std::string, std::string > > *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 vardecl_template()
{
// ticket #1046
const char code1[] = "b<(1<<24),10,24> u, v;";
const char res1[] = "b < ( 1 << 24 ) , 10 , 24 > u ; b < ( 1 << 24 ) , 10 , 24 > v ;";
ASSERT_EQUALS(res1, tokenizeAndStringify(code1));
}
void vardec_static()
{
{
// 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));
}
{
const char code[] = "static int a, b;";
ASSERT_EQUALS("static int a ; static int b ;", tokenizeAndStringify(code));
}
{
const char code[] = "static unsigned int a, b;";
ASSERT_EQUALS("static unsigned int a ; static unsigned int b ;", tokenizeAndStringify(code));
}
{
const char code[] = "static int a=1, b=1;";
ASSERT_EQUALS("static int a = 1 ; static int b = 1 ;", tokenizeAndStringify(code));
}
{
const char code[] = "static int *a, *b;";
ASSERT_EQUALS("static int * a ; static int * b ;", tokenizeAndStringify(code));
}
{
const char code[] = "static unsigned int *a=0, *b=0;";
ASSERT_EQUALS("static unsigned int * a = 0 ; static unsigned int * b = 0 ;", 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 ({) when these macros are defined: ''.\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 (() when these macros are defined: ''.\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());
}
{
errout.str("");
const char code[] = "void f()\n"
"{\n"
" foo(;\n"
"}\n";
Tokenizer tokenizer(0, this);
std::istringstream istr(code);
ASSERT_EQUALS(false, tokenizer.tokenize(istr, "test.cpp", "ABC"));
ASSERT_EQUALS("[test.cpp:3]: (error) Invalid number of character (() when these macros are defined: 'ABC'.\n", errout.str());
}
{
errout.str("");
const char code[] = "void f()\n"
"{\n"
" for(;;){ foo();\n"
"}\n";
Tokenizer tokenizer(0, this);
std::istringstream istr(code);
ASSERT_EQUALS(false, tokenizer.tokenize(istr, "test.cpp"));
ASSERT_EQUALS("[test.cpp:2]: (error) Invalid number of character ({) when these macros are defined: ''.\n", errout.str());
}
{
errout.str("");
const char code[] = "void f()\n"
"{\n"
" a[10;\n"
"}\n";
Tokenizer tokenizer(0, this);
std::istringstream istr(code);
ASSERT_EQUALS(false, tokenizer.tokenize(istr, "test.cpp"));
ASSERT_EQUALS("[test.cpp:3]: (error) Invalid number of character ([) when these macros are defined: ''.\n", errout.str());
}
{
errout.str("");
const char code[] = "{\n"
" a(\n"
"}\n"
"{\n"
" b());\n"
"}\n";
Tokenizer tokenizer(0, this);
std::istringstream istr(code);
ASSERT_EQUALS(false, tokenizer.tokenize(istr, "test.cpp"));
ASSERT_EQUALS("[test.cpp:2]: (error) Invalid number of character (() when these macros are defined: ''.\n", 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" => "signed int i"
*/
void signed1()
{
{
const char code1[] = "void foo ( signed int , float ) ;";
ASSERT_EQUALS(code1, tokenizeAndStringify(code1));
}
{
const char code1[] = "signed i ;";
const char code2[] = "signed int i ;";
ASSERT_EQUALS(code2, tokenizeAndStringify(code1));
}
{
const char code1[] = "signed int i ;";
ASSERT_EQUALS(code1, tokenizeAndStringify(code1));
}
{
const char code1[] = "int signed i ;";
const char code2[] = "signed int i ;";
ASSERT_EQUALS(code2, tokenizeAndStringify(code1));
}
{
const char code1[] = "for (signed i=0; i<10; i++)";
const char code2[] = "for ( signed int i = 0 ; i < 10 ; i ++ )";
ASSERT_EQUALS(code2, tokenizeAndStringify(code1));
}
}
/**
* tokenize "unsigned i" => "unsigned int i"
* tokenize "unsigned" => "unsigned int"
*/
void unsigned1()
{
// No changes..
{
const char code[] = "void foo ( unsigned int , 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));
}
// "extern unsigned x;" => "extern int x;"
{
const char code1[] = "; extern unsigned x;";
const char code2[] = "; extern unsigned int x ;";
ASSERT_EQUALS(code2, tokenizeAndStringify(code1));
}
}
void unsigned2()
{
const char code[] = "i = (unsigned)j;";
const char expected[] = "i = ( unsigned int ) j ;";
ASSERT_EQUALS(expected, tokenizeAndStringify(code));
}
// simplify "unsigned" when using templates..
void unsigned3()
{
{
const char code[] = "; foo<unsigned>();";
const char expected[] = "; foo<int> ( ) ;";
ASSERT_EQUALS(expected, tokenizeAndStringify(code));
}
{
const char code[] = "; foo<unsigned int>();";
const char expected[] = "; foo<int> ( ) ;";
ASSERT_EQUALS(expected, tokenizeAndStringify(code));
}
}
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));
}
}
void removeExceptionSpecification1()
{
const char code[] = "class A\n"
"{\n"
"private:\n"
" void f() throw (std::runtime_error);\n"
"};\n"
"void A::f() throw (std::runtime_error)\n"
"{ }";
const char expected[] = "class A\n"
"{\n"
"private:\n"
"void f ( ) ;\n"
"} ;\n"
"void A :: f ( )\n"
"{ }";
ASSERT_EQUALS(expected, tokenizeAndStringify(code));
}
void removeExceptionSpecification2()
{
const char code[] = "class A\n"
"{\n"
"private:\n"
" int value;\n"
"public:\n"
" A::A() throw ()\n"
" : value(0)\n"
" { }\n"
"};\n";
const char expected[] = "class A\n"
"{\n"
"private:\n"
"int value ;\n"
"public:\n"
"A :: A ( )\n"
": value ( 0 )\n"
"{ }\n"
"} ;";
ASSERT_EQUALS(expected, tokenizeAndStringify(code));
}
void gt()
{
ASSERT_EQUALS("( i < 10 )", tokenizeAndStringify("(10>i)"));
ASSERT_EQUALS("; i < 10 ;", tokenizeAndStringify(";10>i;"));
}
void simplifyString()
{
Tokenizer tokenizer;
ASSERT_EQUALS("\"abc\"", tokenizer.simplifyString("\"abc\""));
ASSERT_EQUALS("\"a\"", tokenizer.simplifyString("\"\\x3\""));
ASSERT_EQUALS("\"a\"", tokenizer.simplifyString("\"\\x33\""));
ASSERT_EQUALS("\"a3\"", tokenizer.simplifyString("\"\\x333\""));
}
void simplifyConst()
{
ASSERT_EQUALS("void foo ( ) { const int x ; }",
tokenizeAndStringify("void foo(){ int const x;}"));
ASSERT_EQUALS("void foo ( ) { { } const long x ; }",
tokenizeAndStringify("void foo(){ {} long const x;}"));
ASSERT_EQUALS("void foo ( ) { bar ( ) ; const char x ; }",
tokenizeAndStringify("void foo(){ bar(); char const x;}"));
ASSERT_EQUALS("void foo ( const char x ) { }",
tokenizeAndStringify("void foo(char const x){}"));
ASSERT_EQUALS("void foo ( int b , const char x ) { }",
tokenizeAndStringify("void foo(int b,char const x){}"));
ASSERT_EQUALS("void foo ( ) { int * const x ; }",
tokenizeAndStringify("void foo(){ int * const x;}"));
}
void switchCase()
{
ASSERT_EQUALS("void foo ( int i ) { switch ( i ) { case -1 : break ; } }",
tokenizeAndStringify("void foo (int i) { switch(i) { case -1: break; } }"));
}
std::string simplifyFunctionPointers(const char code[])
{
Tokenizer tokenizer;
std::istringstream istr(code);
tokenizer.tokenize(istr, "test.cpp");
tokenizer.simplifyFunctionPointers();
std::ostringstream ostr;
for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next())
{
if (tok->isUnsigned())
ostr << " unsigned";
else if (tok->isSigned())
ostr << " signed";
if (tok->isLong())
ostr << " long";
ostr << (tok->isName() ? " " : "") << tok->str();
}
return ostr.str();
}
void functionpointer()
{
ASSERT_EQUALS(" void* f;", simplifyFunctionPointers("void (*f)();"));
ASSERT_EQUALS(" void** f;", simplifyFunctionPointers("void *(*f)();"));
ASSERT_EQUALS(" unsigned int* f;", simplifyFunctionPointers("unsigned int (*f)();"));
ASSERT_EQUALS(" unsigned int** f;", simplifyFunctionPointers("unsigned int * (*f)();"));
}
void removeRedundantAssignment()
{
ASSERT_EQUALS("void f ( ) { ; int * q ; ; }", tokenizeAndStringify("void f() { int *p, *q; p = q; }", true));
ASSERT_EQUALS("void f ( ) { ; ; int * q ; ; }", tokenizeAndStringify("void f() { int *p = 0, *q; p = q; }", true));
}
void removedeclspec()
{
ASSERT_EQUALS("a b", tokenizeAndStringify("a __declspec ( dllexport ) b"));
}
void cpp0xtemplate()
{
const char *code = "template <class T>\n"
"void fn2 (T t = []{return 1;}())\n"
"{}\n"
"int main()\n"
"{\n"
" fn2<int>();\n"
"}\n";
ASSERT_EQUALS(";\n\n\nint main ( )\n{\nfn2<int> ( ) ;\n}void fn2<int> ( int t = [ ] { return 1 ; } ( ) )\n{ }", tokenizeAndStringify(code));
}
std::string arraySize_(const std::string &code)
{
// tokenize..
Tokenizer tokenizer;
std::istringstream istr(code.c_str());
tokenizer.tokenize(istr, "test.cpp");
std::ostringstream ostr;
for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next())
{
if (tok->isName())
ostr << " ";
ostr << tok->str();
}
return ostr.str();
}
void arraySize()
{
ASSERT_EQUALS("; int a[3]={1,2,3};", arraySize_(";int a[]={1,2,3};"));
}
std::string labels_(const std::string &code)
{
// the arraySize_ does what we want currently..
return arraySize_(code);
}
void labels()
{
ASSERT_EQUALS(" void f(){ ab:; a=0;}", labels_("void f() { ab: a=0; }"));
}
// Check simplifyInitVar
void checkSimplifyInitVar(const char code[], bool simplify = false)
{
// Tokenize..
Settings settings(Settings::testSettings());
settings._checkCodingStyle = true;
Tokenizer tokenizer(&settings, this);
std::istringstream istr(code);
errout.str("");
tokenizer.tokenize(istr, "test.cpp");
if (simplify)
tokenizer.simplifyTokenList();
tokenizer.validate();
}
void simplifyInitVar()
{
{
const char code[] = "int i ; int p(0);";
ASSERT_EQUALS("int i ; int p ; p = 0 ;", tokenizeAndStringify(code));
checkSimplifyInitVar(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "int i; int *p(0);";
ASSERT_EQUALS("int i ; int * p ; p = 0 ;", tokenizeAndStringify(code));
checkSimplifyInitVar(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "int p(0);";
ASSERT_EQUALS("int p ; p = 0 ;", tokenizeAndStringify(code));
checkSimplifyInitVar(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "int *p(0);";
ASSERT_EQUALS("int * p ; p = 0 ;", tokenizeAndStringify(code));
checkSimplifyInitVar(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "int i ; int p(i);";
// this can't be simplified because i doesn't have a varid yet
ASSERT_EQUALS("int i ; int p ( i ) ;", tokenizeAndStringify(code, false));
checkSimplifyInitVar(code, false);
ASSERT_EQUALS("", errout.str());
// this can be simplified because i shold have a varid
ASSERT_EQUALS("int i ; int p ; p = i ;", tokenizeAndStringify(code, true));
checkSimplifyInitVar(code, true);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "int i; int *p(&i);";
ASSERT_EQUALS("int i ; int * p ; p = & i ;", tokenizeAndStringify(code));
checkSimplifyInitVar(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "int i; void *p(&i);";
ASSERT_EQUALS("int i ; void * p ; p = & i ;", tokenizeAndStringify(code));
checkSimplifyInitVar(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "struct S { }; struct S s; struct S *p(&s);";
ASSERT_EQUALS("struct S { } ; struct S s ; struct S * p ; p = & s ;", tokenizeAndStringify(code));
checkSimplifyInitVar(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "struct S { }; S s; S *p(&s);";
ASSERT_EQUALS("struct S { } ; S s ; S * p ; p = & s ;", tokenizeAndStringify(code));
checkSimplifyInitVar(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "union S { int i; float f; }; union S s; union S *p(&s);";
ASSERT_EQUALS("union S { int i ; float f ; } ; union S s ; union S * p ; p = & s ;", tokenizeAndStringify(code));
checkSimplifyInitVar(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "union S { int i; float f; }; S s; S *p(&s);";
ASSERT_EQUALS("union S { int i ; float f ; } ; S s ; S * p ; p = & s ;", tokenizeAndStringify(code));
checkSimplifyInitVar(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "class C { }; class C c; class C *p(&c);";
ASSERT_EQUALS("class C { } ; class C c ; class C * p ; p = & c ;", tokenizeAndStringify(code));
checkSimplifyInitVar(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "class C { }; C c; C *p(&c);";
ASSERT_EQUALS("class C { } ; C c ; C * p ; p = & c ;", tokenizeAndStringify(code));
checkSimplifyInitVar(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "struct S { }; struct S s; struct S s1(s);";
ASSERT_EQUALS("struct S { } ; struct S s ; struct S s1 ( s ) ;", tokenizeAndStringify(code));
checkSimplifyInitVar(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "struct S { }; S s; S s1(s);";
ASSERT_EQUALS("struct S { } ; S s ; S s1 ( s ) ;", tokenizeAndStringify(code));
checkSimplifyInitVar(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "struct S { }; struct S s; struct S s1(&s);";
ASSERT_EQUALS("struct S { } ; struct S s ; struct S s1 ( & s ) ;", tokenizeAndStringify(code));
checkSimplifyInitVar(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "struct S { }; S s; S s1(&s);";
ASSERT_EQUALS("struct S { } ; S s ; S s1 ( & s ) ;", tokenizeAndStringify(code));
checkSimplifyInitVar(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "class S { int function(); };";
ASSERT_EQUALS("class S { int function ( ) ; } ;", tokenizeAndStringify(code));
checkSimplifyInitVar(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "class S { int function(void); };";
ASSERT_EQUALS("class S { int function ( void ) ; } ;", tokenizeAndStringify(code));
checkSimplifyInitVar(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "class S { int function(int); };";
ASSERT_EQUALS("class S { int function ( int ) ; } ;", tokenizeAndStringify(code));
checkSimplifyInitVar(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "int function(void);";
ASSERT_EQUALS("int function ( void ) ;", tokenizeAndStringify(code));
checkSimplifyInitVar(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "int function(int);";
ASSERT_EQUALS("int function ( int ) ;", tokenizeAndStringify(code));
checkSimplifyInitVar(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "extern int function(void);";
ASSERT_EQUALS("extern int function ( void ) ;", tokenizeAndStringify(code));
checkSimplifyInitVar(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "int function1(void); int function2(void);";
ASSERT_EQUALS("int function1 ( void ) ; int function2 ( void ) ;", tokenizeAndStringify(code));
checkSimplifyInitVar(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "int function(A);";
// We can't tell if this a function prototype or a variable without knowing
// what A is. Since A is undefined, just leave it alone.
ASSERT_EQUALS("int function ( A ) ;", tokenizeAndStringify(code));
checkSimplifyInitVar(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "int i; int function(A);";
ASSERT_EQUALS("int i ; int function ( A ) ;", tokenizeAndStringify(code));
checkSimplifyInitVar(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "class A { } ; int foo(A);";
// don't know what A is yet so leave it alone
ASSERT_EQUALS("class A { } ; int foo ( A ) ;", tokenizeAndStringify(code, false));
checkSimplifyInitVar(code, false);
ASSERT_EQUALS("", errout.str());
// we know A is not a variable here so leave it alone
ASSERT_EQUALS("class A { } ; int foo ( A ) ;", tokenizeAndStringify(code, true));
checkSimplifyInitVar(code, true);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "class A { } ; A a; int foo(a);";
// don't know what a is yet so leave it alone
ASSERT_EQUALS("class A { } ; A a ; int foo ( a ) ;", tokenizeAndStringify(code, false));
checkSimplifyInitVar(code, false);
ASSERT_EQUALS("", errout.str());
// we know a is a variable here so simplify it
ASSERT_EQUALS("class A { } ; A a ; int foo ; foo = a ;", tokenizeAndStringify(code, true));
checkSimplifyInitVar(code, true);
ASSERT_EQUALS("", errout.str());
}
}
};
REGISTER_TEST(TestTokenizer)
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