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cppcheck/test/testsimplifytokens.cpp

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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2011 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/>.
*/
#include "testsuite.h"
#include "tokenize.h"
#include "token.h"
#include "settings.h"
#include <sstream>
extern std::ostringstream errout;
class TestSimplifyTokens : public TestFixture
{
public:
TestSimplifyTokens() : TestFixture("TestSimplifyTokens")
{ }
private:
void run()
{
// Make sure the Tokenizer::simplifyTokenList works.
// The order of the simplifications is important. So this test
// case shall make sure the simplifications are done in the
// correct order
TEST_CASE(simplifyTokenList1);
TEST_CASE(cast);
TEST_CASE(iftruefalse);
TEST_CASE(combine_strings);
TEST_CASE(double_plus);
TEST_CASE(redundant_plus);
TEST_CASE(parentheses1);
TEST_CASE(parenthesesVar); // Remove redundant parentheses around variable .. "( %var% )"
TEST_CASE(declareVar);
TEST_CASE(declareArray);
TEST_CASE(dontRemoveIncrement);
TEST_CASE(removePostIncrement);
TEST_CASE(removePreIncrement);
TEST_CASE(elseif1);
TEST_CASE(ifa_ifa); // "if (a) { if (a) .." => "if (a) { if (1) .."
TEST_CASE(sizeof1);
TEST_CASE(sizeof2);
TEST_CASE(sizeof3);
TEST_CASE(sizeof4);
TEST_CASE(sizeof5);
TEST_CASE(sizeof6);
TEST_CASE(sizeof7);
TEST_CASE(sizeof8);
TEST_CASE(sizeof9);
TEST_CASE(sizeof10);
TEST_CASE(sizeof11);
TEST_CASE(sizeof12);
TEST_CASE(sizeof13);
TEST_CASE(sizeof14);
TEST_CASE(sizeof15);
TEST_CASE(sizeof16);
TEST_CASE(sizeof17);
TEST_CASE(sizeof18);
TEST_CASE(sizeof19); // #1891 - sizeof 'x'
TEST_CASE(sizeof20); // #2024 - sizeof a)
TEST_CASE(sizeof21); // #2232 - sizeof...(Args)
TEST_CASE(sizeof22); // #2599
TEST_CASE(sizeof23); // #2604
TEST_CASE(sizeof24); // struct variable
TEST_CASE(sizeofsizeof);
TEST_CASE(casting);
TEST_CASE(strlen1);
TEST_CASE(template1);
TEST_CASE(template2);
TEST_CASE(template3);
TEST_CASE(template4);
TEST_CASE(template5);
TEST_CASE(template6);
TEST_CASE(template7);
TEST_CASE(template8);
TEST_CASE(template9);
TEST_CASE(template10);
TEST_CASE(template11);
TEST_CASE(template12);
TEST_CASE(template13);
TEST_CASE(template14);
TEST_CASE(template15);
TEST_CASE(template16);
TEST_CASE(template17);
TEST_CASE(template18);
TEST_CASE(template19);
TEST_CASE(template20);
TEST_CASE(template21);
TEST_CASE(template22);
TEST_CASE(template23);
TEST_CASE(template24); // #2648 - using sizeof in template parameter
TEST_CASE(template25); // #2648 - another test for sizeof template parameter
TEST_CASE(template26); // #2721 - passing 'char[2]' as template parameter
TEST_CASE(template_unhandled);
TEST_CASE(template_default_parameter);
TEST_CASE(template_default_type);
TEST_CASE(template_typename);
TEST_CASE(namespaces);
// Assignment in condition..
TEST_CASE(ifassign1);
TEST_CASE(ifAssignWithCast);
TEST_CASE(whileAssign1);
TEST_CASE(whileAssign2);
// "if(0==x)" => "if(!x)"
TEST_CASE(ifnot);
TEST_CASE(combine_wstrings);
// Simplify "not" to "!" (#345)
TEST_CASE(not1);
// Simplify "and" to "&&" (#620)
TEST_CASE(and1);
// Simplify "or" to "||"
TEST_CASE(or1);
TEST_CASE(comma_keyword);
TEST_CASE(remove_comma);
// Simplify "?:"
TEST_CASE(conditionOperator);
// Simplify calculations
TEST_CASE(calculations);
// Simplify goto..
TEST_CASE(goto1);
TEST_CASE(goto2);
// Simplify nested strcat() calls
TEST_CASE(strcat1);
TEST_CASE(strcat2);
// Syntax error
TEST_CASE(argumentsWithSameName)
TEST_CASE(simplifyAtol)
TEST_CASE(simplifyHexInString)
TEST_CASE(simplifyTypedef1)
TEST_CASE(simplifyTypedef2)
TEST_CASE(simplifyTypedef3)
TEST_CASE(simplifyTypedef4)
TEST_CASE(simplifyTypedef5)
TEST_CASE(simplifyTypedef6)
TEST_CASE(simplifyTypedef7);
TEST_CASE(simplifyTypedef8);
TEST_CASE(simplifyTypedef9);
TEST_CASE(simplifyTypedef10);
TEST_CASE(simplifyTypedef11);
TEST_CASE(simplifyTypedef12);
TEST_CASE(simplifyTypedef13);
TEST_CASE(simplifyTypedef14);
TEST_CASE(simplifyTypedef15);
TEST_CASE(simplifyTypedef16);
TEST_CASE(simplifyTypedef17);
TEST_CASE(simplifyTypedef18); // typedef vector<int[4]> a;
TEST_CASE(simplifyTypedef19);
TEST_CASE(simplifyTypedef20);
TEST_CASE(simplifyTypedef21);
TEST_CASE(simplifyTypedef22);
TEST_CASE(simplifyTypedef23);
TEST_CASE(simplifyTypedef24);
TEST_CASE(simplifyTypedef25);
TEST_CASE(simplifyTypedef26);
TEST_CASE(simplifyTypedef27);
TEST_CASE(simplifyTypedef28);
TEST_CASE(simplifyTypedef29);
TEST_CASE(simplifyTypedef30);
TEST_CASE(simplifyTypedef31);
TEST_CASE(simplifyTypedef32);
TEST_CASE(simplifyTypedef33);
TEST_CASE(simplifyTypedef34); // ticket #1411
TEST_CASE(simplifyTypedef35);
TEST_CASE(simplifyTypedef36); // ticket #1434
TEST_CASE(simplifyTypedef37); // ticket #1449
TEST_CASE(simplifyTypedef38);
TEST_CASE(simplifyTypedef39);
TEST_CASE(simplifyTypedef40);
TEST_CASE(simplifyTypedef41); // ticket #1488
TEST_CASE(simplifyTypedef42); // ticket #1506
TEST_CASE(simplifyTypedef43); // ticket #1588
TEST_CASE(simplifyTypedef44);
TEST_CASE(simplifyTypedef45); // ticket #1613
TEST_CASE(simplifyTypedef46);
TEST_CASE(simplifyTypedef47);
TEST_CASE(simplifyTypedef48); // ticket #1673
TEST_CASE(simplifyTypedef49); // ticket #1691
TEST_CASE(simplifyTypedef50);
TEST_CASE(simplifyTypedef51);
TEST_CASE(simplifyTypedef52); // ticket #1782
TEST_CASE(simplifyTypedef53); // ticket #1801
TEST_CASE(simplifyTypedef54); // ticket #1814
TEST_CASE(simplifyTypedef55);
TEST_CASE(simplifyTypedef56); // ticket #1829
TEST_CASE(simplifyTypedef57); // ticket #1846
TEST_CASE(simplifyTypedef58); // ticket #1963
TEST_CASE(simplifyTypedef59); // ticket #2011
TEST_CASE(simplifyTypedef60); // ticket #2035
TEST_CASE(simplifyTypedef61); // ticket #2074 and 2075
TEST_CASE(simplifyTypedef62); // ticket #2082
TEST_CASE(simplifyTypedef63); // ticket #2175 'typedef float x[3];'
TEST_CASE(simplifyTypedef64);
TEST_CASE(simplifyTypedef65); // ticket #2314
TEST_CASE(simplifyTypedef66); // ticket #2341
TEST_CASE(simplifyTypedef67); // ticket #2354
TEST_CASE(simplifyTypedef68); // ticket #2355
TEST_CASE(simplifyTypedef69); // ticket #2348
TEST_CASE(simplifyTypedef70); // ticket #2348
TEST_CASE(simplifyTypedef71); // ticket #2348
TEST_CASE(simplifyTypedef72); // ticket #2375
TEST_CASE(simplifyTypedef73); // ticket #2412
TEST_CASE(simplifyTypedef74); // ticket #2414
TEST_CASE(simplifyTypedef75); // ticket #2426
TEST_CASE(simplifyTypedef76); // ticket #2453
TEST_CASE(simplifyTypedef77); // ticket #2554
TEST_CASE(simplifyTypedef78); // ticket #2568
TEST_CASE(simplifyTypedef79); // ticket #2348
TEST_CASE(simplifyTypedef80); // ticket #2587
TEST_CASE(simplifyTypedef81); // ticket #2603
TEST_CASE(simplifyTypedef82); // ticket #2403
TEST_CASE(simplifyTypedef83); // ticket #2620
TEST_CASE(simplifyTypedef84); // ticket #2630
TEST_CASE(simplifyTypedef85); // ticket #2651
TEST_CASE(simplifyTypedef86); // ticket #2581
TEST_CASE(simplifyTypedef87); // ticket #2651
TEST_CASE(simplifyTypedef88); // ticket #2675
TEST_CASE(simplifyTypedef89); // ticket #2717
TEST_CASE(simplifyTypedef90); // ticket #2718
TEST_CASE(simplifyTypedef91); // ticket #2716
TEST_CASE(simplifyTypedef92); // ticket #2736
TEST_CASE(simplifyTypedef93); // ticket #2738
TEST_CASE(simplifyTypedef94); // ticket #1982
TEST_CASE(simplifyTypedef95); // ticket #2844
TEST_CASE(simplifyTypedef96); // ticket #2886
TEST_CASE(simplifyTypedef97); // ticket #2983 (segmentation fault)
TEST_CASE(simplifyTypedef98); // ticket #2963
TEST_CASE(simplifyTypedef99); // ticket #2999
TEST_CASE(simplifyTypedef100); // ticket #3000
TEST_CASE(simplifyTypedef101); // ticket #3003 (segmentation fault)
TEST_CASE(simplifyTypedef102); // ticket #3004
TEST_CASE(simplifyTypedef103); // ticket #3007
TEST_CASE(simplifyTypedef104); // ticket #3070
TEST_CASE(simplifyTypedefFunction1);
TEST_CASE(simplifyTypedefFunction2); // ticket #1685
TEST_CASE(simplifyTypedefFunction3);
TEST_CASE(simplifyTypedefFunction4);
TEST_CASE(simplifyTypedefFunction5);
TEST_CASE(simplifyTypedefFunction6);
TEST_CASE(simplifyTypedefFunction7);
TEST_CASE(simplifyTypedefFunction8);
TEST_CASE(reverseArraySyntax)
TEST_CASE(simplify_numeric_condition)
TEST_CASE(simplify_condition);
TEST_CASE(pointeralias1);
TEST_CASE(pointeralias2);
TEST_CASE(pointeralias3);
TEST_CASE(pointeralias4);
TEST_CASE(pointeralias5);
TEST_CASE(reduceConstness);
// simplify "while (0)"
TEST_CASE(while0);
TEST_CASE(while1);
TEST_CASE(enum1);
TEST_CASE(enum2);
TEST_CASE(enum3);
TEST_CASE(enum4);
TEST_CASE(enum5);
TEST_CASE(enum6);
TEST_CASE(enum7);
TEST_CASE(enum8);
TEST_CASE(enum9); // ticket 1404
TEST_CASE(enum10); // ticket 1445
TEST_CASE(enum11);
TEST_CASE(enum12);
TEST_CASE(enum13);
TEST_CASE(enum14);
TEST_CASE(enum15);
TEST_CASE(enum16); // ticket #1988
TEST_CASE(enum17); // ticket #2381 (duplicate enums)
TEST_CASE(enum18); // #2466 (array with same name as enum constant)
TEST_CASE(enum19); // ticket #2536
TEST_CASE(enum20); // ticket #2600
TEST_CASE(enum21); // ticket #2720
TEST_CASE(enum22); // ticket #2745
TEST_CASE(enum23); // ticket #2804
TEST_CASE(enum24); // ticket #2828
TEST_CASE(enum25); // ticket #2966
TEST_CASE(enum26); // ticket #2975 (segmentation fault)
TEST_CASE(enum27); // ticket #3005 (segmentation fault)
// remove "std::" on some standard functions
TEST_CASE(removestd);
// Tokenizer::simplifyInitVar
TEST_CASE(simplifyInitVar);
// Tokenizer::simplifyReference
TEST_CASE(simplifyReference);
// x = realloc(y,0); => free(y);x=0;
TEST_CASE(simplifyRealloc);
// while(f() && errno==EINTR) { } => while (f()) { }
TEST_CASE(simplifyErrNoInWhile);
// while(fclose(f)); => r = fclose(f); while(r){r=fclose(f);}
TEST_CASE(simplifyFuncInWhile);
// struct ABC abc = { .a = 3 }; => struct ABC abc; abc.a = 3;
TEST_CASE(initstruct);
// struct ABC { } abc; => struct ABC { }; ABC abc;
TEST_CASE(simplifyStructDecl1);
TEST_CASE(simplifyStructDecl2); // ticket #2579
TEST_CASE(simplifyStructDecl3);
TEST_CASE(simplifyStructDecl4);
// register int var; => int var;
// inline int foo() {} => int foo() {}
TEST_CASE(removeUnwantedKeywords);
// remove calling convention __cdecl, __stdcall, ...
TEST_CASE(simplifyCallingConvention);
TEST_CASE(simplifyFunctorCall);
TEST_CASE(redundant_semicolon);
TEST_CASE(simplifyFunctionReturn);
TEST_CASE(removeUnnecessaryQualification1);
TEST_CASE(removeUnnecessaryQualification2);
TEST_CASE(removeUnnecessaryQualification3);
TEST_CASE(removeUnnecessaryQualification4);
TEST_CASE(removeUnnecessaryQualification5);
TEST_CASE(removeUnnecessaryQualification6); // ticket #2859
TEST_CASE(removeUnnecessaryQualification7); // ticket #2970
TEST_CASE(simplifyIfNotNull);
TEST_CASE(simplifyVarDecl1); // ticket # 2682 segmentation fault
TEST_CASE(simplifyVarDecl2); // ticket # 2834 segmentation fault
TEST_CASE(return_strncat); // ticket # 2860 Returning value of strncat() reported as memory leak
// #3069 : for loop with 1 iteration
// for (x=0;x<1;x++) { .. }
// The for is redundant
TEST_CASE(removeRedundantFor);
}
std::string tok(const char code[], bool simplify = true)
{
errout.str("");
Settings settings;
settings.addEnabled("portability");
Tokenizer tokenizer(&settings, this);
std::istringstream istr(code);
tokenizer.tokenize(istr, "test.cpp");
if (simplify)
tokenizer.simplifyTokenList();
tokenizer.validate();
std::string ret;
for (const Token *tok1 = tokenizer.tokens(); tok1; tok1 = tok1->next())
{
if (tok1 != tokenizer.tokens())
ret += " ";
if (!simplify)
{
if (tok1->isUnsigned())
ret += "unsigned ";
else if (tok1->isSigned())
ret += "signed ";
}
if (tok1->isLong())
ret += "long ";
ret += tok1->str();
}
return ret;
}
void simplifyTokenList1()
{
// #1717 : The simplifyErrNoInWhile needs to be used before simplifyIfAssign..
ASSERT_EQUALS("; x = f ( ) ; while ( x == -1 ) { x = f ( ) ; }",
tok(";while((x=f())==-1 && errno==EINTR){}",true));
}
void cast()
{
ASSERT_EQUALS("if ( ! p )", tok("if (p == (char *)0)"));
ASSERT_EQUALS("return str ;", tok("return (char *)str;"));
{
const char code[] = "static void crash()\n"
"{\n"
" goto err_exit;\n"
"err_exit:\n"
" (void)foo();\n"
"}\n";
const char expected[] = "static void crash ( ) "
"{ foo ( ) ; return ; foo ( ) ; }";
ASSERT_EQUALS(expected, tok(code));
}
ASSERT_EQUALS("if ( * a )", tok("if ((char)*a)"));
ASSERT_EQUALS("if ( & a )", tok("if ((int)&a)"));
ASSERT_EQUALS("if ( * a )", tok("if ((unsigned int)(unsigned char)*a)"));
ASSERT_EQUALS("class A { A operator* ( int ) ; } ;", tok("class A { A operator *(int); };"));
ASSERT_EQUALS("class A { A operator* ( int ) const ; } ;", tok("class A { A operator *(int) const; };"));
ASSERT_EQUALS("if ( ! p )", tok("if (p == (char *)(char *)0)"));
// no simplification as the cast may be important here. see #2897 for example
ASSERT_EQUALS("; * ( ( char * ) p + 1 ) = 0 ;", tok("; *((char *)p + 1) = 0;"));
}
void iftruefalse()
{
{
const char code1[] = " void f() { int a; bool use = false; if( use ) { a=0; } else {a=1;} }";
const char code2[] = " void f() { int a; bool use = false; {a=1;} }";
ASSERT_EQUALS(tok(code2), tok(code1));
}
{
const char code1[] = " void f() { int a; bool use = true; if( use ) { a=0; } else {a=1;} }";
const char code2[] = " void f() { int a; bool use = true; { a=0; } }";
ASSERT_EQUALS(tok(code2), tok(code1));
}
{
const char code1[] = " void f() { int a; int use = 5; if( use ) { a=0; } else {a=1;} }";
const char code2[] = " void f() { int a; int use = 5; { a=0; } }";
ASSERT_EQUALS(tok(code2), tok(code1));
}
{
const char code1[] = " void f() { int a; int use = 0; if( use ) { a=0; } else {a=1;} }";
const char code2[] = " void f() { int a; int use = 0; {a=1;} }";
ASSERT_EQUALS(tok(code2), tok(code1));
}
{
const char code1[] = " void f() { int a; bool use = false; if( use ) a=0; else a=1; int c=1; }";
const char code2[] = " void f() { int a; bool use = false; { a=1; } int c=1; }";
ASSERT_EQUALS(tok(code2), tok(code1));
}
{
const char code1[] = " void f() { int a; bool use = true; if( use ) a=0; else a=1; int c=1; }";
const char code2[] = " void f() { int a; bool use = true; { a=0; } int c=1; }";
ASSERT_EQUALS(tok(code2), tok(code1));
}
{
const char code1[] = " void f() { int a; bool use = false; if( use ) a=0; else if( bb ) a=1; int c=1; }";
const char code2[] = " void f ( ) { int a ; bool use ; use = false ; { if ( bb ) { a = 1 ; } } int c ; c = 1 ; }";
ASSERT_EQUALS(tok(code2), tok(code1));
}
{
const char code1[] = " void f() { int a; bool use = true; if( use ) a=0; else if( bb ) a=1; int c=1; }";
const char code2[] = " void f() { int a; bool use = true; { a=0;} int c=1; }";
ASSERT_EQUALS(tok(code2), tok(code1));
}
{
const char code1[] = "void f() { int a; bool use = true; if( use ) a=0; else if( bb ) a=1; else if( cc ) a=33; else { gg = 0; } int c=1; }";
const char code2[] = "void f ( ) { ; }";
ASSERT_EQUALS(code2, tok(code1));
}
{
const char code1[] = " void f() { if( aa ) { a=0; } else if( true ) a=1; else { a=2; } }";
const char code2[] = " void f ( ) { if ( aa ) { a = 0 ; } else { { a = 1 ; } } }";
ASSERT_EQUALS(tok(code2), tok(code1));
}
{
const char code1[] = " void f() { if( aa ) { a=0; } else if( false ) a=1; else { a=2; } }";
const char code2[] = " void f ( ) { if ( aa ) { a = 0 ; } else { { a = 2 ; } } }";
ASSERT_EQUALS(tok(code2), tok(code1));
}
}
void combine_strings()
{
const char code1[] = "void foo()\n"
"{\n"
"const char *a =\n"
"{\n"
"\"hello \"\n"
"\"world\"\n"
"};\n"
"}\n";
const char code2[] = "void foo()\n"
"{\n"
"const char *a =\n"
"{\n"
"\"hello world\"\n"
"};\n"
"}\n";
ASSERT_EQUALS(tok(code2), tok(code1));
}
void combine_wstrings()
{
const char code1[] = "void foo()\n"
"{\n"
"const wchar_t *a =\n"
"{\n"
"L\"hello \"\n"
"L\"world\"\n"
"};\n"
"}\n";
const char code2[] = "void foo()\n"
"{\n"
"const wchar_t *a =\n"
"{\n"
"\"hello world\"\n"
"};\n"
"}\n";
ASSERT_EQUALS(tok(code2), tok(code1));
}
void double_plus()
{
{
const char code1[] = "void foo( int a )\n"
"{\n"
"a++;\n"
"a--;\n"
"++a;\n"
"--a;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a ) { a ++ ; a -- ; ++ a ; -- a ; }", tok(code1));
}
{
const char code1[] = "void foo( int a )\n"
"{\n"
"a=a+a;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a ) { a = a + a ; }", tok(code1));
}
{
const char code1[] = "void foo( int a, int b )\n"
"{\n"
"a=a+++b;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a , int b ) { a = a ++ + b ; }", tok(code1));
}
{
const char code1[] = "void foo( int a, int b )\n"
"{\n"
"a=a---b;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a , int b ) { a = a -- - b ; }", tok(code1));
}
{
const char code1[] = "void foo( int a, int b )\n"
"{\n"
"a=a--+b;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a , int b ) { a = a -- + b ; }", tok(code1));
}
{
const char code1[] = "void foo( int a, int b )\n"
"{\n"
"a=a++-b;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a , int b ) { a = a ++ - b ; }", tok(code1));
}
{
const char code1[] = "void foo( int a, int b )\n"
"{\n"
"a=a+--b;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a , int b ) { a = a + -- b ; }", tok(code1));
}
{
const char code1[] = "void foo( int a, int b )\n"
"{\n"
"a=a-++b;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a , int b ) { a = a - ++ b ; }", tok(code1));
}
}
void redundant_plus()
{
{
const char code1[] = "void foo( int a, int b )\n"
"{\n"
"a=a + + b;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a , int b ) { a = a + b ; }", tok(code1));
}
{
const char code1[] = "void foo( int a, int b )\n"
"{\n"
"a=a + + + b;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a , int b ) { a = a + b ; }", tok(code1));
}
{
const char code1[] = "void foo( int a, int b )\n"
"{\n"
"a=a + - b;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a , int b ) { a = a - b ; }", tok(code1));
}
{
const char code1[] = "void foo( int a, int b )\n"
"{\n"
"a=a - + b;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a , int b ) { a = a - b ; }", tok(code1));
}
{
const char code1[] = "void foo( int a, int b )\n"
"{\n"
"a=a - - b;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a , int b ) { a = a + b ; }", tok(code1));
}
{
const char code1[] = "void foo( int a, int b )\n"
"{\n"
"a=a - + - b;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a , int b ) { a = a + b ; }", tok(code1));
}
{
const char code1[] = "void foo( int a, int b )\n"
"{\n"
"a=a - - - b;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a , int b ) { a = a - b ; }", tok(code1));
}
}
void parentheses1()
{
ASSERT_EQUALS("<= 110 ;", tok("<= (10+100);"));
ASSERT_EQUALS("while ( x ( ) == -1 ) { }", tok("while((x()) == -1){ }"));
}
void parenthesesVar()
{
// remove parentheses..
ASSERT_EQUALS("= p ;", tok("= (p);"));
ASSERT_EQUALS("if ( a < p ) { }", tok("if(a<(p)){}"));
ASSERT_EQUALS("void f ( ) { int p ; if ( p == -1 ) { } }", tok("void f(){int p; if((p)==-1){}}"));
ASSERT_EQUALS("void f ( ) { int p ; if ( p == -1 ) { } }", tok("void f(){int p; if(-1==(p)){}}"));
ASSERT_EQUALS("void f ( ) { int p ; if ( p ) { } }", tok("void f(){int p; if((p)){}}"));
ASSERT_EQUALS("return p ;", tok("return (p);"));
ASSERT_EQUALS("void f ( ) { int * p ; if ( ! * p ) { } }", tok("void f(){int *p; if (*(p) == 0) {}}"));
ASSERT_EQUALS("void f ( ) { int * p ; if ( ! * p ) { } }", tok("void f(){int *p; if (*p == 0) {}}"));
ASSERT_EQUALS("void f ( int & p ) { p = 1 ; }", tok("void f(int &p) {(p) = 1;}"));
ASSERT_EQUALS("void f ( ) { int p [ 10 ] ; p [ 0 ] = 1 ; }", tok("void f(){int p[10]; (p)[0] = 1;}"));
ASSERT_EQUALS("void f ( ) { int p ; if ( ! p ) { } }", tok("void f(){int p; if ((p) == 0) {}}"));
ASSERT_EQUALS("void f ( ) { int * p ; * p = 1 ; }", tok("void f(){int *p; *(p) = 1;}"));
ASSERT_EQUALS("void f ( ) { int p ; if ( p ) { } p = 1 ; }", tok("void f(){int p; if ( p ) { } (p) = 1;}"));
// keep parentheses..
ASSERT_EQUALS("= a ;", tok("= (char)a;"));
ASSERT_EQUALS("cast < char * > ( p )", tok("cast<char *>(p)"));
ASSERT_EQUALS("return ( a + b ) * c ;", tok("return (a+b)*c;"));
ASSERT_EQUALS("void f ( ) { int p ; if ( 2 * p == 0 ) { } }", tok("void f(){int p; if (2*p == 0) {}}"));
ASSERT_EQUALS("void f ( ) { DIR * f ; f = opendir ( dirname ) ; if ( closedir ( f ) ) { } }", tok("void f(){DIR * f = opendir(dirname);if (closedir(f)){}}"));
ASSERT_EQUALS("void foo ( int p ) { if ( 0 <= p ) { ; } }", tok("void foo(int p){if((p)>=0);}"));
}
void declareVar()
{
const char code[] = "void f ( ) { char str [ 100 ] = \"100\" ; }";
ASSERT_EQUALS(code, tok(code));
}
void declareArray()
{
const char code[] = "void f ( ) { char str [ ] = \"100\" ; }";
const char expected[] = "void f ( ) { char str [ 4 ] = \"100\" ; }";
ASSERT_EQUALS(expected, tok(code));
}
void dontRemoveIncrement()
{
{
const char code[] = "void f(int a)\n"
"{\n"
" if (a > 10)\n"
" a = 5;\n"
" else\n"
" a = 10;\n"
" a++;\n"
"}\n";
ASSERT_EQUALS("void f ( int a ) { if ( 10 < a ) { a = 5 ; } else { a = 10 ; } a ++ ; }", tok(code));
}
{
const char code[] = "void f(int a)\n"
"{\n"
" if (a > 10)\n"
" a = 5;\n"
" else\n"
" a = 10;\n"
" ++a;\n"
"}\n";
ASSERT_EQUALS("void f ( int a ) { if ( 10 < a ) { a = 5 ; } else { a = 10 ; } ++ a ; }", tok(code));
}
}
void removePostIncrement()
{
const char code[] = "void f(int &c)\n"
"{\n"
" c = 0;\n"
" c++;\n"
" if (c>0) { c++; }\n"
" c++;\n"
"}\n";
TODO_ASSERT_EQUALS("void f ( int & c ) { c = 3 ; { ; } ; }",
"void f ( int & c ) { c = 1 ; { c ++ ; } c ++ ; }", tok(code));
}
void removePreIncrement()
{
{
const char code[] = "void f(int &c)\n"
"{\n"
" c = 0;\n"
" ++c;\n"
" if (c>0) { ++c; }\n"
" ++c;\n"
"}\n";
TODO_ASSERT_EQUALS("void f ( int & c ) { c = 3 ; { ; } ; }",
"void f ( int & c ) { c = 1 ; { ++ c ; } ++ c ; }", tok(code));
}
{
const char code[] = "void f()\n"
"{\n"
" char a[] = \"p\";\n"
" ++a[0];\n"
"}\n";
ASSERT_EQUALS("void f ( ) { char a [ 2 ] = \"p\" ; ++ a [ 0 ] ; }", tok(code));
}
}
std::string elseif(const char code[])
{
errout.str("");
Settings settings;
Tokenizer tokenizer(&settings, this);
std::istringstream istr(code);
tokenizer.createTokens(istr);
tokenizer.elseif();
return tokenizer.tokens()->stringifyList(false);
}
void elseif1()
{
const char code[] = "else if(ab) { cd } else { ef }gh";
ASSERT_EQUALS("\n\n##file 0\n1: else { if ( ab ) { cd } else { ef } } gh\n", elseif(code));
// syntax error: assert there is no segmentation fault
ASSERT_EQUALS("\n\n##file 0\n1: else if ( x ) { }\n", elseif("else if (x) { }"));
{
const char src[] = "void f(int g,int f) {\n"
"if(g==1) {poo();}\n"
"else if( g == 2 )\n"
"{\n"
" if( f == 0 ){coo();}\n"
" else if( f==1)\n"
" goo();\n"
"}\n"
"}";
const char expected[] = "void f ( int g , int f ) "
"{ "
"if ( g == 1 ) { poo ( ) ; } "
"else { "
"if ( g == 2 ) "
"{ "
"if ( ! f ) { coo ( ) ; } "
"else { "
"if ( f == 1 ) "
"{ "
"goo ( ) ; "
"} "
"} "
"} "
"} "
"}";
ASSERT_EQUALS(tok(expected), tok(src));
}
}
void ifa_ifa()
{
ASSERT_EQUALS("int a ; if ( a ) { { ab } cd }", tok("int a ; if (a) { if (a) { ab } cd }", true));
ASSERT_EQUALS("int a ; if ( a ) { { ab } cd }", tok("int a ; if (unlikely(a)) { if (a) { ab } cd }", true));
}
// Simplify 'sizeof'..
std::string sizeof_(const char code[], bool simplify = true)
{
errout.str("");
Settings settings;
// tokenize..
Tokenizer tokenizer(&settings, this);
std::istringstream istr(code);
tokenizer.tokenize(istr, "test.cpp");
tokenizer.setVarId();
if (simplify)
tokenizer.simplifyTokenList();
std::ostringstream ostr;
for (const Token *tok1 = tokenizer.tokens(); tok1; tok1 = tok1->next())
{
if (tok1->previous())
{
ostr << " ";
}
ostr << tok1->str();
}
return ostr.str();
}
unsigned int sizeofFromTokenizer(const char type[])
{
errout.str("");
Settings settings;
Tokenizer tokenizer(&settings, this);
std::istringstream istr("");
tokenizer.tokenize(istr, "test.cpp");
tokenizer.simplifyTokenList();
Token tok1(0);
tok1.str(type);
return tokenizer.sizeOfType(&tok1);
}
void sizeof1()
{
ASSERT_EQUALS("struct ABC * abc ; abc = malloc ( 100 ) ;", tok("struct ABC *abc = malloc(sizeof(*abc));"));
ASSERT_EQUALS("struct ABC * abc ; abc = malloc ( 100 ) ;", tok("struct ABC *abc = malloc(sizeof *abc );"));
}
void sizeof2()
{
const char code[] = "void foo()\n"
"{\n"
" int i[4];\n"
" sizeof(i);\n"
" sizeof(*i);\n"
"}\n";
ASSERT_EQUALS("void foo ( ) { int i [ 4 ] ; 16 ; 4 ; }", sizeof_(code));
}
void sizeof3()
{
const char code[] = "static int i[4];\n"
"void f()\n"
"{\n"
" int i[10];\n"
" sizeof(i);\n"
"}\n";
ASSERT_EQUALS("static int i [ 4 ] ; void f ( ) { int i [ 10 ] ; 40 ; }", sizeof_(code));
}
void sizeof4()
{
{
const char code[] = "int i[10];\n"
"sizeof(i[0]);\n";
ASSERT_EQUALS("int i [ 10 ] ; 4 ;", sizeof_(code));
}
{
const char code[] = "int i[10];\n"
"sizeof i[0];\n";
ASSERT_EQUALS("int i [ 10 ] ; 4 ;", sizeof_(code));
}
}
void sizeof5()
{
const char code[] =
"const char * names[2];"
"for (int i = 0; i != sizeof(names[0]); i++)"
"{}";
std::ostringstream expected;
expected << "const char * names [ 2 ] ; for ( int i = 0 ; i != " << sizeofFromTokenizer("*") << " ; i ++ ) { }";
ASSERT_EQUALS(expected.str(), sizeof_(code));
}
void sizeof6()
{
const char code[] = ";int i;\n"
"sizeof(i);\n";
std::ostringstream expected;
expected << "; int i ; " << sizeof(int) << " ;";
ASSERT_EQUALS(expected.str(), sizeof_(code));
}
void sizeof7()
{
const char code[] = ";INT32 i[10];\n"
"sizeof(i[0]);\n";
ASSERT_EQUALS("; INT32 i [ 10 ] ; sizeof ( i [ 0 ] ) ;", sizeof_(code));
}
void sizeof8()
{
{
const char code[] = "void f()\n"
"{\n"
" char* ptrs[2];\n"
" a = sizeof( ptrs );\n"
"}\n";
std::ostringstream oss;
oss << (sizeofFromTokenizer("*") * 2);
ASSERT_EQUALS("void f ( ) { char * ptrs [ 2 ] ; a = " + oss.str() + " ; }", sizeof_(code));
}
{
const char code[] = "void f()\n"
"{\n"
" char* ptrs[55];\n"
" a = sizeof( ptrs );\n"
"}\n";
std::ostringstream oss;
oss << (sizeofFromTokenizer("*") * 55);
ASSERT_EQUALS("void f ( ) { char * ptrs [ 55 ] ; a = " + oss.str() + " ; }", sizeof_(code));
}
{
const char code[] = "void f()\n"
"{\n"
" char* ptrs;\n"
" a = sizeof( ptrs );\n"
"}\n";
std::ostringstream oss;
oss << sizeofFromTokenizer("*");
ASSERT_EQUALS("void f ( ) { ; a = " + oss.str() + " ; }", sizeof_(code));
}
}
void sizeof9()
{
// ticket #487
{
const char code[] = "; const char *str = \"1\"; sizeof(str);";
std::ostringstream expected;
expected << "; const char * str ; str = \"1\" ; " << sizeofFromTokenizer("*") << " ;";
ASSERT_EQUALS(expected.str(), sizeof_(code));
}
{
const char code[] = "; const char str[] = \"1\"; sizeof(str);";
std::ostringstream expected;
expected << "; const char str [ 2 ] = \"1\" ; " << sizeofFromTokenizer("char")*2 << " ;";
ASSERT_EQUALS(expected.str(), sizeof_(code));
}
{
// Ticket #799
const char code[] = "; const char str[] = {'1'}; sizeof(str);";
ASSERT_EQUALS("; const char str [ 1 ] = { '1' } ; 1 ;", sizeof_(code));
}
{
// Ticket #2087
const char code[] = "; const char str[] = {\"abc\"}; sizeof(str);";
ASSERT_EQUALS("; const char str [ 4 ] = \"abc\" ; 4 ;", sizeof_(code));
}
// ticket #716 - sizeof string
{
std::ostringstream expected;
expected << "; " << (sizeof "123");
ASSERT_EQUALS(expected.str(), sizeof_("; sizeof \"123\""));
ASSERT_EQUALS(expected.str(), sizeof_("; sizeof(\"123\")"));
}
{
const char code[] = "void f(char *a,char *b, char *c)"
"{g(sizeof(a),sizeof(b),sizeof(c));}";
std::ostringstream expected;
expected << "void f ( char * a , char * b , char * c ) { g ( " <<
sizeofFromTokenizer("*") << " , " << sizeofFromTokenizer("*") << " , " << sizeofFromTokenizer("*") << " ) ; }";
ASSERT_EQUALS(expected.str(), sizeof_(code));
}
{
const char code[] = "void f(char a,char b, char c)"
"{g(sizeof(a),sizeof(b),sizeof(c));}";
std::ostringstream expected;
expected << "void f ( char a , char b , char c ) { g ( " <<
sizeofFromTokenizer("char") << " , " << sizeofFromTokenizer("char") << " , " << sizeofFromTokenizer("char") << " ) ; }";
ASSERT_EQUALS(expected.str(), sizeof_(code));
}
{
const char code[] = "void f(const char *a,const char *b, const char *c)"
"{g(sizeof(a),sizeof(b),sizeof(c));}";
std::ostringstream expected;
expected << "void f ( const char * a , const char * b , const char * c ) { g ( " <<
sizeofFromTokenizer("*") << " , " << sizeofFromTokenizer("*") << " , " << sizeofFromTokenizer("*") << " ) ; }";
ASSERT_EQUALS(expected.str(), sizeof_(code));
}
{
const char code[] = "void f(char a[10],char b[10], char c[10])"
"{g(sizeof(a),sizeof(b),sizeof(c));}";
std::ostringstream expected;
expected << "void f ( char a [ 10 ] , char b [ 10 ] , char c [ 10 ] ) { g ( " <<
sizeofFromTokenizer("*") << " , " << sizeofFromTokenizer("*") << " , " << sizeofFromTokenizer("*") << " ) ; }";
ASSERT_EQUALS(expected.str(), sizeof_(code));
}
{
const char code[] = "void f(const char a[10],const char b[10], const char c[10])"
"{g(sizeof(a),sizeof(b),sizeof(c));}";
std::ostringstream expected;
expected << "void f ( const char a [ 10 ] , "
"const char b [ 10 ] , "
"const char c [ 10 ] ) { g ( " <<
sizeofFromTokenizer("*") << " , " << sizeofFromTokenizer("*") << " , " << sizeofFromTokenizer("*") << " ) ; }";
ASSERT_EQUALS(expected.str(), sizeof_(code));
}
{
const char code[] = "void f(const char *a[10],const char *b[10], const char *c[10])"
"{g(sizeof(a),sizeof(b),sizeof(c));}";
std::ostringstream expected;
expected << "void f ( const char * a [ 10 ] , "
"const char * b [ 10 ] , "
"const char * c [ 10 ] ) { g ( " <<
sizeofFromTokenizer("*") << " , " << sizeofFromTokenizer("*") << " , " << sizeofFromTokenizer("*") << " ) ; }";
ASSERT_EQUALS(expected.str(), sizeof_(code));
}
{
const char code[] = "void f(char *a[10],char *b[10], char *c[10])"
"{g(sizeof(a),sizeof(b),sizeof(c));}";
std::ostringstream expected;
expected << "void f ( char * a [ 10 ] , char * b [ 10 ] , char * c [ 10 ] ) { g ( " <<
sizeofFromTokenizer("*") << " , " << sizeofFromTokenizer("*") << " , " << sizeofFromTokenizer("*") << " ) ; }";
ASSERT_EQUALS(expected.str(), sizeof_(code));
}
{
std::ostringstream expected;
expected << "; " << sizeof("\"quote\"");
ASSERT_EQUALS(expected.str(), sizeof_("; sizeof(\"\\\"quote\\\"\")"));
}
{
std::ostringstream expected;
expected << "void f ( ) { char str [ 100 ] = \"100\" ; " << sizeofFromTokenizer("char")*100 << " }";
ASSERT_EQUALS(expected.str(), tok("void f ( ) { char str [ 100 ] = \"100\" ; sizeof ( str ) }"));
}
}
void sizeof10()
{
// ticket #809
const char code[] = "int m ; "
"compat_ulong_t um ; "
"size_t size ; size = sizeof ( m ) / sizeof ( um ) ;";
ASSERT_EQUALS(code, tok(code));
}
void sizeof11()
{
// ticket #827
const char code[] = "void f()\n"
"{\n"
" char buf2[4];\n"
" sizeof buf2;\n"
"}\n"
"\n"
"void g()\n"
"{\n"
" struct A a[2];\n"
" char buf[32];\n"
" sizeof buf;\n"
"}";
const char expected[] = "void f ( ) "
"{"
" char buf2 [ 4 ] ;"
" 4 ; "
"} "
""
"void g ( ) "
"{"
" struct A a [ 2 ] ;"
" char buf [ 32 ] ;"
" 32 ; "
"}";
ASSERT_EQUALS(expected, tok(code));
}
void sizeof12()
{
// ticket #827
const char code[] = "void f()\n"
"{\n"
" int *p;\n"
" (sizeof *p);\n"
"}";
const char expected[] = "void f ( ) "
"{"
" ;"
" 4 ; "
"}";
ASSERT_EQUALS(expected, tok(code));
}
void sizeof13()
{
// ticket #851
const char code[] = "int main()\n"
"{\n"
" char *a;\n"
" a = malloc(sizeof(*a));\n"
"}\n"
"\n"
"struct B\n"
"{\n"
" char * b[2];\n"
"};";
const char expected[] = "int main ( ) "
"{"
" char * a ;"
" a = malloc ( 1 ) ; "
"} "
"struct B "
"{"
" char * b [ 2 ] ; "
"} ;";
ASSERT_EQUALS(expected, tok(code));
}
void sizeof14()
{
// ticket #954
const char code[] = "void f()\n"
"{\n"
" A **a;\n"
" int aa = sizeof *(*a)->b;\n"
"}\n";
const char expected[] = "void f ( ) "
"{"
" A * * a ;"
" int aa ; aa = sizeof ( * ( * a ) . b ) ; "
"}";
ASSERT_EQUALS(expected, tok(code));
}
void sizeof15()
{
// ticket #1020
tok("void f()\n"
"{\n"
" int *n;\n"
" sizeof *(n);\n"
"}\n");
ASSERT_EQUALS("", errout.str());
}
void sizeof16()
{
// ticket #1027
const char code[] = "void f()\n"
"{\n"
" int a;\n"
" printf(\"%i\", sizeof a++);\n"
"}\n";
ASSERT_EQUALS("void f ( ) { int a ; printf ( \"%i\" , sizeof ( a ++ ) ) ; }", tok(code));
ASSERT_EQUALS("", errout.str());
}
void sizeof17()
{
// ticket #1050
const char code[] = "void f()\n"
"{\n"
" sizeof 1;\n"
" while (0);\n"
"}\n";
ASSERT_EQUALS("void f ( ) { sizeof ( 1 ) ; }", tok(code));
ASSERT_EQUALS("", errout.str());
}
void sizeof18()
{
{
std::ostringstream expected;
expected << sizeof(short int);
{
const char code[] = "void f()\n"
"{\n"
" sizeof(short int);\n"
"}\n";
ASSERT_EQUALS("void f ( ) { " + expected.str() + " ; }", tok(code));
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "void f()\n"
"{\n"
" sizeof(unsigned short int);\n"
"}\n";
ASSERT_EQUALS("void f ( ) { " + expected.str() + " ; }", tok(code));
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "void f()\n"
"{\n"
" sizeof(short unsigned int);\n"
"}\n";
ASSERT_EQUALS("void f ( ) { " + expected.str() + " ; }", tok(code));
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "void f()\n"
"{\n"
" sizeof(signed short int);\n"
"}\n";
ASSERT_EQUALS("void f ( ) { " + expected.str() + " ; }", tok(code));
ASSERT_EQUALS("", errout.str());
}
}
{
std::ostringstream expected;
expected << sizeof(long long);
{
const char code[] = "void f()\n"
"{\n"
" sizeof(long long);\n"
"}\n";
ASSERT_EQUALS("void f ( ) { " + expected.str() + " ; }", tok(code));
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "void f()\n"
"{\n"
" sizeof(signed long long);\n"
"}\n";
ASSERT_EQUALS("void f ( ) { " + expected.str() + " ; }", tok(code));
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "void f()\n"
"{\n"
" sizeof(unsigned long long);\n"
"}\n";
ASSERT_EQUALS("void f ( ) { " + expected.str() + " ; }", tok(code));
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "void f()\n"
"{\n"
" sizeof(long unsigned long);\n"
"}\n";
ASSERT_EQUALS("void f ( ) { " + expected.str() + " ; }", tok(code));
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "void f()\n"
"{\n"
" sizeof(long long int);\n"
"}\n";
ASSERT_EQUALS("void f ( ) { " + expected.str() + " ; }", tok(code));
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "void f()\n"
"{\n"
" sizeof(signed long long int);\n"
"}\n";
ASSERT_EQUALS("void f ( ) { " + expected.str() + " ; }", tok(code));
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "void f()\n"
"{\n"
" sizeof(unsigned long long int);\n"
"}\n";
ASSERT_EQUALS("void f ( ) { " + expected.str() + " ; }", tok(code));
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "void f()\n"
"{\n"
" sizeof(long unsigned long int);\n"
"}\n";
ASSERT_EQUALS("void f ( ) { " + expected.str() + " ; }", tok(code));
ASSERT_EQUALS("", errout.str());
}
}
{
const char code[] = "void f()\n"
"{\n"
" sizeof(char*);\n"
"}\n";
std::ostringstream expected;
expected << sizeof(int*);
ASSERT_EQUALS("void f ( ) { " + expected.str() + " ; }", tok(code));
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "void f()\n"
"{\n"
" sizeof(unsigned int*);\n"
"}\n";
std::ostringstream expected;
expected << sizeof(int*);
ASSERT_EQUALS("void f ( ) { " + expected.str() + " ; }", tok(code));
ASSERT_EQUALS("", errout.str());
}
}
void sizeof19()
{
// ticket #1891 - sizeof 'x'
{
const char code[] = "void f()\n"
"{\n"
" sizeof 'x';\n"
"}\n";
std::ostringstream sz;
sz << sizeof('x');
ASSERT_EQUALS("void f ( ) { " + sz.str() + " ; }", tok(code));
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "void f()\n"
"{\n"
" sizeof('x');\n"
"}\n";
std::ostringstream sz;
sz << sizeof('x');
ASSERT_EQUALS("void f ( ) { " + sz.str() + " ; }", tok(code));
ASSERT_EQUALS("", errout.str());
}
}
void sizeof20()
{
// ticket #2024 - sizeof a)
const char code[] = "struct struct_a {\n"
" char a[20];\n"
"};\n"
"\n"
"void foo() {\n"
" struct_a a;\n"
" append(sizeof a).append();\n"
"}\n";
ASSERT_EQUALS("struct struct_a { char a [ 20 ] ; } ; "
"void foo ( ) {"
" struct_a a ;"
" append ( 100 ) . append ( ) ; "
"}", tok(code));
}
void sizeof21()
{
// ticket #2232 - sizeof...(Args)
const char code[] = "struct Internal {\n"
" int operator()(const Args&... args) const {\n"
" int n = sizeof...(Args);\n"
" return n;\n"
" }\n"
"};\n"
"\n"
"int main() {\n"
" Internal internal;\n"
" int n = 0; n = internal(1);\n"
" return 0;\n"
"}\n";
// don't segfault
tok(code);
}
void sizeof22()
{
// ticket #2599 segmentation fault
const char code[] = "sizeof\n";
// don't segfault
tok(code);
}
void sizeof23()
{
// ticket #2604 segmentation fault
const char code[] = "sizeof <= A\n";
// don't segfault
tok(code);
}
void sizeof24()
{
const char code[] = "; struct AB ab; sizeof(ab)";
ASSERT_EQUALS("; struct AB ab ; 100", tok(code));
}
void sizeofsizeof()
{
// ticket #1682
const char code[] = "void f()\n"
"{\n"
" sizeof sizeof 1;\n"
"}\n";
ASSERT_EQUALS("void f ( ) { sizeof sizeof ( 1 ) ; }", tok(code));
ASSERT_EQUALS("", errout.str());
}
void casting()
{
{
const char code[] = "void f()\n"
"{\n"
"for (int i = 0; i < static_cast<int>(3); ++i) {}\n"
"}\n";
const std::string expected("void f ( ) { for ( int i = 0 ; i < 3 ; ++ i ) { } }");
ASSERT_EQUALS(expected, sizeof_(code));
}
{
const char code[] = "void f()\n"
"{\n"
" p = const_cast<char *> qtu ();\n"
"}\n";
const std::string expected("void f ( ) { p = const_cast < char * > qtu ( ) ; }");
ASSERT_EQUALS(expected, sizeof_(code));
}
{
// ticket #645
const char code[] = "void f()\n"
"{\n"
" return dynamic_cast<Foo *>((bar()));\n"
"}\n";
const std::string expected("void f ( ) { return bar ( ) ; }");
ASSERT_EQUALS(expected, sizeof_(code));
}
}
void strlen1()
{
ASSERT_EQUALS("4", tok("strlen(\"abcd\")"));
{
const char code[] = "void f()\n"
"{\n"
" const char *s = \"abcd\";\n"
" strlen(s);\n"
"}\n";
const char expected[] = "void f ( ) "
"{"
" const char * s ;"
" s = \"abcd\" ;"
" 4 ; "
"}";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "void f()\n"
"{\n"
" const char s [ ] = \"abcd\";\n"
" strlen(s);\n"
"}\n";
const char expected[] = "void f ( ) "
"{"
" const char s [ 5 ] = \"abcd\" ;"
" 4 ; "
"}";
ASSERT_EQUALS(expected, tok(code));
}
}
void template1()
{
const char code[] = "template <classname T> void f(T val) { T a; }\n"
"f<int>(10);";
const std::string expected("; f<int> ( 10 ) ; "
"void f<int> ( int val ) { ; }");
ASSERT_EQUALS(expected, sizeof_(code));
}
void template2()
{
const char code[] = "template <classname T> class Fred { T a; };\n"
"Fred<int> fred;";
const std::string expected("; "
"Fred<int> fred ; "
"class Fred<int> { int a ; }");
ASSERT_EQUALS(expected, sizeof_(code));
}
void template3()
{
const char code[] = "template <classname T, int sz> class Fred { T data[sz]; };\n"
"Fred<float,4> fred;";
const std::string expected("; "
"Fred<float,4> fred ; "
"class Fred<float,4> { float data [ 4 ] ; }");
ASSERT_EQUALS(expected, sizeof_(code));
}
void template4()
{
const char code[] = "template <classname T> class Fred { Fred(); };\n"
"Fred<float> fred;";
const std::string expected("; "
"Fred<float> fred ; "
"class Fred<float> { Fred<float> ( ) ; }");
ASSERT_EQUALS(expected, sizeof_(code));
}
void template5()
{
const char code[] = "template <classname T> class Fred { };\n"
"template <classname T> Fred<T>::Fred() { }\n"
"Fred<float> fred;";
const std::string expected("; "
"Fred<float> fred ; "
"class Fred<float> { } "
"Fred<float> :: Fred<float> ( ) { }");
ASSERT_EQUALS(expected, sizeof_(code));
}
void template6()
{
const char code[] = "template <classname T> class Fred { };\n"
"Fred<float> fred1;\n"
"Fred<float> fred2;";
const std::string expected(";"
" Fred<float> fred1 ;"
" Fred<float> fred2 ;"
" class Fred<float> { }");
ASSERT_EQUALS(expected, sizeof_(code));
}
void template7()
{
// A template class that is not used => no simplification
{
const char code[] = "template <class T>\n"
"class ABC\n"
"{\n"
"public:\n"
" typedef ABC<T> m;\n"
"\n"
"};\n";
const std::string expected(";");
ASSERT_EQUALS(expected, sizeof_(code));
}
{
const char code[] = "template <typename T> class ABC {\n"
"public:\n"
" typedef std::vector<T> type;\n"
"};\n"
"int main() {\n"
" ABC<int>::type v;\n"
" v.push_back(4);\n"
" return 0;\n"
"}\n";
const std::string wanted("; "
"int main ( ) { "
"std :: vector < int > v ; "
"v . push_back ( 4 ) ; "
"return 0 ; "
"}");
const std::string current("; "
"int main ( ) { "
"ABC < int > :: type v ; "
"v . push_back ( 4 ) ; "
"return 0 ; "
"}"
);
TODO_ASSERT_EQUALS(wanted, current, sizeof_(code));
}
{
const char code[] = "template <typename T> class ABC {\n"
"public:\n"
" typedef std::vector<T> type;\n"
" void f()\n"
" {\n"
" ABC<int>::type v;\n"
" v.push_back(4);\n"
" }\n"
"};\n";
const std::string expected(";");
ASSERT_EQUALS(expected, sizeof_(code));
}
}
// Template definitions but no usage => no expansion
void template8()
{
const char code[] = "template<typename T> class A;\n"
"template<typename T> class B;\n"
"\n"
"typedef A<int> x;\n"
"typedef B<int> y;\n"
"\n"
"template<typename T> class A {\n"
" void f() {\n"
" B<T> a = B<T>::g();\n"
" T b = 0;\n"
" if (b)\n"
" b = 0;\n"
" }\n"
"};\n"
"\n"
"template<typename T> inline B<T> h() { return B<T>(); }\n";
ASSERT_EQUALS(";", sizeof_(code));
ASSERT_EQUALS("class A { ; } ;", sizeof_("class A{ template<typename T> int foo(T d);};"));
}
void template9()
{
const char code[] = "template < typename T > class A { } ;\n"
"\n"
"void f ( ) {\n"
" A<int> a ;\n"
"}\n"
"\n"
"template < typename T >\n"
"class B {\n"
" void g ( ) {\n"
" A < T > b = A < T > :: h ( ) ;\n"
" }\n"
"} ;\n";
// The expected result..
std::string expected("; void f ( ) { A<int> a ; } ; class A<int> { } class A<T> { }");
ASSERT_EQUALS(expected, sizeof_(code));
}
void template10()
{
const char code[] = "template <int ui, typename T> T * foo()\n"
"{ return new T[ui]; }\n"
"\n"
"void f ( )\n"
"{\n"
" foo<3,int>();\n"
"}\n";
// The expected result..
const std::string expected("; "
"void f ( ) "
"{"
" foo<3,int> ( ) ; "
"} "
"int * foo<3,int> ( ) { return new int [ 3 ] ; }");
ASSERT_EQUALS(expected, sizeof_(code));
}
void template11()
{
const char code[] = "template <int ui, typename T> T * foo()\n"
"{ return new T[ui]; }\n"
"\n"
"void f ( )\n"
"{\n"
" char * p = foo<3,char>();\n"
"}\n";
// The expected result..
const std::string expected("; "
"void f ( ) "
"{"
" char * p ; p = foo<3,char> ( ) ; "
"} "
"char * foo<3,char> ( ) { return new char [ 3 ] ; }");
ASSERT_EQUALS(expected, sizeof_(code));
}
void template12()
{
const char code[] = "template <int x, int y, int z>\n"
"class A : public B<x, y, (x - y) ? ((y < z) ? 1 : -1) : 0>\n"
"{ };\n"
"\n"
"void f()\n"
"{\n"
" A<12,12,11> a;\n"
"}\n";
// The expected result..
const std::string expected("; "
"void f ( ) "
"{"
" A<12,12,11> a ; "
"} "
"class A<12,12,11> : public B < 12 , 12 , 0 > "
"{ }");
ASSERT_EQUALS(expected, sizeof_(code));
}
void template13()
{
const char code[] = "class BB {};\n"
"\n"
"template <class T>\n"
"class AA\n"
"{\n"
"public:\n"
" static AA<T> create(T* newObject);\n"
"};\n"
"\n"
"class CC { public: CC(AA<BB>, int) {} };\n"
"\n"
"class XX {\n"
" AA<CC> y;\n"
"public:\n"
" XX();\n"
"};\n"
"\n"
"XX::XX():\n"
" y(AA<CC>::create(new CC(AA<BB>(), 0)))\n"
" {}\n";
// Just run it and check that there are not assertions.
sizeof_(code);
}
void template14()
{
const char code[] = "template <> void foo<int *>()\n"
"{ x(); }\n"
"\n"
"int main()\n"
"{\n"
"foo<int*>();\n"
"}\n";
// The expected result..
const std::string expected("void foo<int*> ( ) "
"{ x ( ) ; } "
"int main ( ) "
"{ foo<int*> ( ) ; }");
ASSERT_EQUALS(expected, sizeof_(code));
}
void template15()
{
const char code[] = "template <unsigned int i> void a()\n"
"{\n"
" a<i-1>();\n"
"}\n"
"\n"
"template <> void a<0>()\n"
"{ }\n"
"\n"
"int main()\n"
"{\n"
" a<2>();\n"
" return 0;\n"
"}\n";
// The expected result..
const std::string expected("; "
"void a<0> ( ) { } "
"int main ( ) "
"{ a<2> ( ) ; return 0 ; } "
"void a<2> ( ) { a<1> ( ) ; } "
"void a<1> ( ) { a<0> ( ) ; }");
ASSERT_EQUALS(expected, sizeof_(code));
}
void template16()
{
const char code[] = "template <unsigned int i> void a()\n"
"{ }\n"
"\n"
"template <unsigned int i> void b()\n"
"{ a<i>(); }\n"
"\n"
"int main()\n"
"{\n"
" b<2>();\n"
" return 0;\n"
"}\n";
const std::string expected("; "
"int main ( ) { b<2> ( ) ; return 0 ; } "
"void b<2> ( ) { a<2> ( ) ; } "
"void a<i> ( ) { } "
"void a<2> ( ) { }");
ASSERT_EQUALS(expected, sizeof_(code));
}
void template17()
{
const char code[] = "template<class T>\n"
"class Fred\n"
"{\n"
" template<class T>\n"
" static shared_ptr< Fred<T> > CreateFred()\n"
" {\n"
" }\n"
"};\n"
"\n"
"shared_ptr<int> i;\n";
// Assert that there is no segmentation fault..
sizeof_(code);
}
void template18()
{
const char code[] = "template <class T> class foo { T a; };\n"
"foo<int> *f;";
const std::string expected("; "
"foo<int> * f ; "
"class foo<int> { int a ; }");
ASSERT_EQUALS(expected, sizeof_(code));
}
void template19()
{
const char code[] = "template <typename T> T & foo()\n"
"{ static T temp; return temp; }\n"
"\n"
"void f ( )\n"
"{\n"
" char p = foo<char>();\n"
"}\n";
// The expected result..
const std::string expected("; "
"void f ( ) "
"{"
" char p ; p = foo<char> ( ) ; "
"} "
"char & foo<char> ( ) { static char temp ; return temp ; }");
ASSERT_EQUALS(expected, sizeof_(code));
}
void template20()
{
// Ticket #1788 - the destructor implementation is lost
const char code[] = "template <class T> class A\n"
"{\n"
"public:\n"
" ~A();\n"
"};\n"
"\n"
"template <class T> A<T>::~A()\n"
"{\n"
"}\n"
"\n"
"A<int> a;\n";
// The expected result..
const std::string expected("; A<int> a ; "
"class A<int> { public: ~ A<int> ( ) ; } "
"A<int> :: ~ A<int> ( ) { }");
ASSERT_EQUALS(expected, sizeof_(code));
}
void template21()
{
{
const char code[] = "template <classname T> struct Fred { T a; };\n"
"Fred<int> fred;";
const std::string expected("; "
"Fred<int> fred ; "
"struct Fred<int> { int a ; }");
ASSERT_EQUALS(expected, sizeof_(code));
}
{
const char code[] = "template <classname T, int sz> struct Fred { T data[sz]; };\n"
"Fred<float,4> fred;";
const std::string expected("; "
"Fred<float,4> fred ; "
"struct Fred<float,4> { float data [ 4 ] ; }");
ASSERT_EQUALS(expected, sizeof_(code));
}
{
const char code[] = "template <classname T> struct Fred { Fred(); };\n"
"Fred<float> fred;";
const std::string expected("; "
"Fred<float> fred ; "
"struct Fred<float> { Fred<float> ( ) ; }");
ASSERT_EQUALS(expected, sizeof_(code));
}
{
const char code[] = "template <classname T> struct Fred { };\n"
"template <classname T> Fred<T>::Fred() { }\n"
"Fred<float> fred;";
const std::string expected("; "
"Fred<float> fred ; "
"struct Fred<float> { } "
"Fred<float> :: Fred<float> ( ) { }");
ASSERT_EQUALS(expected, sizeof_(code));
}
{
const char code[] = "template <classname T> struct Fred { };\n"
"Fred<float> fred1;\n"
"Fred<float> fred2;";
const std::string expected(";"
" Fred<float> fred1 ;"
" Fred<float> fred2 ;"
" struct Fred<float> { }");
ASSERT_EQUALS(expected, sizeof_(code));
}
}
void template22()
{
const char code[] = "template <classname T> struct Fred { T a; };\n"
"Fred<std::string> fred;";
const std::string expected("; "
"Fred<std::string> fred ; "
"struct Fred<std::string> { std :: string a ; }");
ASSERT_EQUALS(expected, sizeof_(code));
}
void template23()
{
const char code[] = "template <classname T> void foo() { }\n"
"void bar() {\n"
" std::cout << (foo<double>());\n"
"}";
const std::string expected("; "
"void bar ( ) {"
" std :: cout << ( foo<double> ( ) ) ; "
"} "
"void foo<double> ( ) { }");
ASSERT_EQUALS(expected, sizeof_(code));
}
void template24()
{
// #2648
const char code[] = "template<int n> struct B\n"
"{\n"
" int a[n];\n"
"};\n"
"\n"
"template<int x> class bitset: B<sizeof(int)>\n"
"{};\n"
"\n"
"bitset<1> z;";
const char expected[] = "; "
"bitset<1> z ; "
"class bitset<1> : B<4> { } "
"struct B<4> { int a [ 4 ] ; }";
ASSERT_EQUALS(expected, sizeof_(code));
}
void template25()
{
const char code[] = "template<int n> struct B\n"
"{\n"
" int a[n];\n"
"};\n"
"\n"
"template<int x> class bitset: B<((sizeof(int)) ? : 1)>\n"
"{};\n"
"\n"
"bitset<1> z;";
const char actual[] = "; bitset<1> z ; "
"class bitset<1> : B < ( ) > { }";
const char expected[] = "; "
"bitset<1> z ; "
"class bitset<1> : B<4> { } "
"struct B<4> { int a [ 4 ] ; }";
TODO_ASSERT_EQUALS(expected, actual, sizeof_(code));
}
void template26()
{
// #2721
const char code[] = "template<class T>\n"
"class A { public: T x; };\n"
"\n"
"template<class M>\n"
"class C: public A<char[M]> {};\n"
"\n"
"C<2> a;\n";
// TODO: expand A also
ASSERT_EQUALS("; C<2> a ; class C<2> : public A < char [ 2 ] > { }", sizeof_(code));
}
void template_unhandled()
{
// An unhandled template usage should be simplified..
ASSERT_EQUALS("; x<int> ( ) ;", sizeof_(";x<int>();"));
}
void template_default_parameter()
{
{
const char code[] = "template <class T, int n=3>\n"
"class A\n"
"{ T ar[n]; };\n"
"\n"
"void f()\n"
"{\n"
" A<int,2> a1;\n"
" A<int> a2;\n"
"}\n";
// The expected result..
const std::string expected("; "
"void f ( ) "
"{"
" A<int,2> a1 ;"
" A<int,3> a2 ; "
"} "
"class A<int,2> "
"{ int ar [ 2 ] ; } "
"class A<int,3> "
"{ int ar [ 3 ] ; }");
ASSERT_EQUALS(expected, sizeof_(code));
}
{
const char code[] = "template <class T, int n1=3, int n2=2>\n"
"class A\n"
"{ T ar[n1+n2]; };\n"
"\n"
"void f()\n"
"{\n"
" A<int> a1;\n"
" A<int,3> a2;\n"
"}\n";
// The expected result..
const std::string expected("; "
"void f ( ) "
"{"
" A<int,3,2> a1 ;"
" A<int,3,2> a2 ; "
"} "
"class A<int,3,2> "
"{ int ar [ 5 ] ; }");
ASSERT_EQUALS(expected, sizeof_(code));
}
{
const char code[] = "template <class T, int n=3>\n"
"class A\n"
"{ T ar[n]; };\n"
"\n"
"void f()\n"
"{\n"
" A<int,(int)2> a1;\n"
" A<int> a2;\n"
"}\n";
const std::string wanted("template < class T , int n >"
" class A"
" { T ar [ n ] ; } ;"
" void f ( )"
" {"
" A<int,(int)2> a1 ;"
" A<int,3> a2 ;"
" }"
" class A<int,2>"
" { int ar [ 2 ] ; }"
" class A<int,3>"
" { int ar [ 3 ] ; }");
const std::string current("; "
"void f ( ) "
"{ "
"A < int , ( int ) 2 > a1 ; "
"A<int,3> a2 ; "
"} "
"class A<int,3> "
"{ int ar [ 3 ] ; }"
);
TODO_ASSERT_EQUALS(wanted, current, sizeof_(code));
}
}
void template_default_type()
{
const char code[] = "template <typename T, typename U=T>\n"
"class A\n"
"{\n"
"public:\n"
" void foo() {\n"
" int a;\n"
" a = static_cast<U>(a);\n"
" }\n"
"};\n"
"\n"
"template <typename T>\n"
"class B\n"
"{\n"
"protected:\n"
" A<int> a;\n"
"};\n"
"\n"
"class C\n"
" : public B<int>\n"
"{\n"
"};\n";
errout.str("");
Settings settings;
Tokenizer tokenizer(&settings, this);
std::istringstream istr(code);
tokenizer.tokenize(istr, "file1.cpp");
tokenizer.simplifyTokenList();
//ASSERT_EQUALS("[file1.cpp:15]: (error) Internal error: failed to instantiate template. The checking continues anyway.\n", errout.str());
ASSERT_EQUALS("", errout.str());
}
void template_typename()
{
{
const char code[] = "template <class T>\n"
"void foo(typename T::t *)\n"
"{ }";
// The expected result..
const std::string expected(";");
ASSERT_EQUALS(expected, sizeof_(code));
}
{
const char code[] = "void f() {\n"
" x(sizeof typename);\n"
" type = 0;\n"
"}";
errout.str("");
Settings settings;
Tokenizer tokenizer(&settings, this);
std::istringstream istr(code);
tokenizer.tokenize(istr, "test.c", "", false);
std::ostringstream ostr;
for (const Token *tok1 = tokenizer.tokens(); tok1; tok1 = tok1->next())
{
ostr << tok1->str();
if (Token::Match(tok1, "%var% %var%"))
ostr << " ";
}
ASSERT_EQUALS("void f(){x(sizeof typename);type=0;}", ostr.str());
}
}
void namespaces()
{
{
const char code[] = "using namespace std; namespace a{ namespace b{ void f(){} } }";
const std::string expected("using namespace std ; namespace a { namespace b { void f ( ) { } } }");
ASSERT_EQUALS(expected, sizeof_(code));
}
{
const char code[] = "namespace b{ void f(){} }";
const std::string expected("namespace b { void f ( ) { } }");
ASSERT_EQUALS(expected, sizeof_(code));
}
{
const char code[] = "int a; namespace b{ }";
const std::string expected("int a ; namespace b { }");
ASSERT_EQUALS(expected, sizeof_(code));
}
{
const char code[] = "void f(int namespace) { }";
const std::string expected("void f ( int namespace ) { }");
ASSERT_EQUALS(expected, sizeof_(code));
}
}
std::string simplifyIfAssign(const char code[])
{
errout.str("");
Settings settings;
// tokenize..
Tokenizer tokenizer(&settings, this);
std::istringstream istr(code);
tokenizer.tokenize(istr, "test.cpp");
tokenizer.simplifyIfAssign();
std::ostringstream ostr;
for (const Token *tok1 = tokenizer.tokens(); tok1; tok1 = tok1->next())
ostr << (tok1->previous() ? " " : "") << tok1->str();
return ostr.str();
}
void ifassign1()
{
ASSERT_EQUALS("; a = b ; if ( a ) { ; }", simplifyIfAssign(";if(a=b);"));
ASSERT_EQUALS("; a = b ( ) ; if ( a ) { ; }", simplifyIfAssign(";if((a=b()));"));
ASSERT_EQUALS("; a = b ( ) ; if ( ! ( a ) ) { ; }", simplifyIfAssign(";if(!(a=b()));"));
ASSERT_EQUALS("; a . x = b ( ) ; if ( ! ( a . x ) ) { ; }", simplifyIfAssign(";if(!(a->x=b()));"));
ASSERT_EQUALS("A ( ) a = b ; if ( a ) { ; }", simplifyIfAssign("A() if(a=b);"));
ASSERT_EQUALS("void foo ( int a ) { a = b ( ) ; if ( 0 <= a ) { ; } }", tok("void foo(int a) {if((a=b())>=0);}"));
TODO_ASSERT_EQUALS("void foo ( A a ) { a . c = b ( ) ; if ( 0 <= a . c ) { ; } }",
"void foo ( A a ) { a . c = b ( ) ; if ( a . c >= 0 ) { ; } }",
tok("void foo(A a) {if((a.c=b())>=0);}"));
}
void ifAssignWithCast()
{
const char *code = "void foo()\n"
"{\n"
"FILE *f;\n"
"if( (f = fopen(\"foo\", \"r\")) == ((FILE*)NULL) )\n"
"return(-1);\n"
"fclose(f);\n"
"}\n";
const char *exptected = "void foo ( ) "
"{ "
"FILE * f ; "
"f = fopen ( \"foo\" , \"r\" ) ; "
"if ( ! f ) "
"{ "
"return -1 ; "
"} "
"fclose ( f ) ; "
"}";
ASSERT_EQUALS(exptected, tok(code));
}
void whileAssign1()
{
ASSERT_EQUALS("; a = b ; while ( a ) { b = 0 ; a = b ; }", simplifyIfAssign(";while(a=b) { b = 0; }"));
ASSERT_EQUALS("; a . b = c ; while ( a . b ) { c = 0 ; a . b = c ; }", simplifyIfAssign(";while(a.b=c) { c=0; }"));
ASSERT_EQUALS("struct hfs_bnode * node ; "
"struct hfs_btree * tree ; "
"node = tree . node_hash [ i ++ ] ; "
"while ( node ) { node = tree . node_hash [ i ++ ] ; }",
tok("struct hfs_bnode *node;"
"struct hfs_btree *tree;"
"while ((node = tree->node_hash[i++])) { }"));
ASSERT_EQUALS("char * s ; s = new char [ 10 ] ; while ( ! s ) { s = new char [ 10 ] ; }",
tok("char *s; while (0 == (s=new char[10])) { }"));
}
void whileAssign2()
{
// #1909 - Internal error
errout.str("");
tok("void f()\n"
"{\n"
" int b;\n"
" while (b = sizeof (struct foo { int i0;}))\n"
" ;\n"
" if (!(0 <= b ))\n"
" ;\n"
"}");
ASSERT_EQUALS("", errout.str());
}
std::string simplifyIfNot(const char code[])
{
errout.str("");
Settings settings;
// tokenize..
Tokenizer tokenizer(&settings, this);
std::istringstream istr(code);
tokenizer.tokenize(istr, "test.cpp");
tokenizer.simplifyIfNot();
std::ostringstream ostr;
for (const Token *tok1 = tokenizer.tokens(); tok1; tok1 = tok1->next())
ostr << (tok1->previous() ? " " : "") << tok1->str();
return ostr.str();
}
void ifnot()
{
ASSERT_EQUALS("if ( ! x )", simplifyIfNot("if(0==x)"));
ASSERT_EQUALS("if ( ! x )", simplifyIfNot("if(x==0)"));
ASSERT_EQUALS("if ( ! ( a = b ) )", simplifyIfNot("if(0==(a=b))"));
ASSERT_EQUALS("if ( ! x )", simplifyIfNot("if(x==0)"));
ASSERT_EQUALS("if ( ! a && b ( ) )", simplifyIfNot("if( 0 == a && b() )"));
ASSERT_EQUALS("if ( b ( ) && ! a )", simplifyIfNot("if( b() && 0 == a )"));
ASSERT_EQUALS("if ( ! ( a = b ) )", simplifyIfNot("if((a=b)==0)"));
ASSERT_EQUALS("if ( ! x . y )", simplifyIfNot("if(x.y==0)"));
ASSERT_EQUALS("if ( ! x )", simplifyIfNot("if((x==0))"));
ASSERT_EQUALS("if ( ( ! x ) && ! y )", simplifyIfNot("if((x==0) && y==0)"));
ASSERT_EQUALS("if ( ! ( ! fclose ( fd ) ) )", simplifyIfNot("if(!(fclose(fd) == 0))"));
}
std::string simplifyLogicalOperators(const char code[])
{
errout.str("");
Settings settings;
// tokenize..
Tokenizer tokenizer(&settings, this);
std::istringstream istr(code);
tokenizer.tokenize(istr, "test.cpp");
std::ostringstream ostr;
for (const Token *tok1 = tokenizer.tokens(); tok1; tok1 = tok1->next())
ostr << (tok1->previous() ? " " : "") << tok1->str();
return ostr.str();
}
void not1()
{
ASSERT_EQUALS("if ( ! p )", simplifyLogicalOperators("if (not p)"));
ASSERT_EQUALS("if ( p && ! q )", simplifyLogicalOperators("if (p && not q)"));
ASSERT_EQUALS("void foo ( not i )", simplifyLogicalOperators("void foo ( not i )"));
}
void and1()
{
ASSERT_EQUALS("if ( p && q ) { ; }",
simplifyLogicalOperators("if (p and q) ;"));
ASSERT_EQUALS("if ( foo ( ) && q ) { ; }",
simplifyLogicalOperators("if (foo() and q) ;"));
ASSERT_EQUALS("if ( foo ( ) && bar ( ) ) { ; }",
simplifyLogicalOperators("if (foo() and bar()) ;"));
ASSERT_EQUALS("if ( p && bar ( ) ) { ; }",
simplifyLogicalOperators("if (p and bar()) ;"));
ASSERT_EQUALS("if ( p && ! q )",
simplifyLogicalOperators("if (p and not q)"));
}
void or1()
{
ASSERT_EQUALS("if ( p || q ) { ; }",
simplifyLogicalOperators("if (p or q) ;"));
ASSERT_EQUALS("if ( foo ( ) || q ) { ; }",
simplifyLogicalOperators("if (foo() or q) ;"));
ASSERT_EQUALS("if ( foo ( ) || bar ( ) ) { ; }",
simplifyLogicalOperators("if (foo() or bar()) ;"));
ASSERT_EQUALS("if ( p || bar ( ) ) { ; }",
simplifyLogicalOperators("if (p or bar()) ;"));
ASSERT_EQUALS("if ( p || ! q )",
simplifyLogicalOperators("if (p or not q)"));
}
void comma_keyword()
{
{
const char code[] = "void foo()\n"
"{\n"
" char *a, *b;\n"
" delete a, delete b;\n"
"}\n";
ASSERT_EQUALS("void foo ( ) { char * a ; char * b ; delete a ; delete b ; }", sizeof_(code));
}
{
const char code[] = "void foo()\n"
"{\n"
" struct A *a, *b;\n"
"}\n";
ASSERT_EQUALS("void foo ( ) { struct A * a ; struct A * b ; }", sizeof_(code));
}
{
const char code[] = "void foo()\n"
"{\n"
" struct A **a, **b;\n"
"}\n";
ASSERT_EQUALS("void foo ( ) { struct A * * a ; struct A * * b ; }", sizeof_(code));
}
{
const char code[] = "void foo()\n"
"{\n"
" char *a, *b;\n"
" delete a, b;\n"
"}\n";
ASSERT_EQUALS("void foo ( ) { char * a ; char * b ; delete a ; delete b ; }", sizeof_(code));
}
{
const char code[] = "void foo()\n"
"{\n"
" char **a, **b, **c;\n"
"}\n";
ASSERT_EQUALS("void foo ( ) { char * * a ; char * * b ; char * * c ; }", sizeof_(code));
}
{
const char code[] = "int f()\n"
"{\n"
" if (something)\n"
" return a(2, c(3, 4)), b(3), 10;\n"
" return a(), b(0, 0, 0), 10;\n"
"}\n";
ASSERT_EQUALS("int f ( )"
" {"
" if ( something )"
" {"
" a ( 2 , c ( 3 , 4 ) ) ;"
" b ( 3 ) ;"
" return 10 ;"
" }"
" a ( ) ;"
" b ( 0 , 0 , 0 ) ;"
" return 10 ; "
"}", sizeof_(code));
}
{
const char code[] = "void foo()\n"
"{\n"
" delete [] a, a = 0;\n"
"}\n";
ASSERT_EQUALS("void foo ( ) { delete [ ] a ; a = 0 ; }", sizeof_(code));
}
{
const char code[] = "void foo()\n"
"{\n"
" delete a, a = 0;\n"
"}\n";
ASSERT_EQUALS("void foo ( ) { delete a ; a = 0 ; }", sizeof_(code));
}
{
const char code[] = "void f()\n"
"{\n"
" for(int a,b; a < 10; a = a + 1, b = b + 1);\n"
"}\n";
ASSERT_EQUALS("void f ( ) { for ( int a , b ; a < 10 ; a = a + 1 , b = b + 1 ) { ; } }", sizeof_(code));
}
{
const char code[] = "void f()\n"
"{\n"
" char buf[BUFSIZ], **p;\n"
" char *ptrs[BUFSIZ], **pp;\n"
"}\n";
ASSERT_EQUALS("void f ( ) { char buf [ BUFSIZ ] ; char * * p ; char * ptrs [ BUFSIZ ] ; char * * pp ; }", sizeof_(code));
}
}
void remove_comma()
{
{
const char code[] = "void f()\n"
"{\n"
" int a,b;\n"
" if( a )\n"
" a=0,\n"
" b=0;\n"
"}\n";
ASSERT_EQUALS("void f ( ) { int a ; int b ; if ( a ) { a = 0 ; b = 0 ; } }", sizeof_(code));
}
{
const char code[] = "void f()\n"
"{\n"
" A a,b;\n"
" if( a.f )\n"
" a.f=b.f,\n"
" a.g=b.g;\n"
"}\n";
ASSERT_EQUALS("void f ( ) { A a ; A b ; if ( a . f ) { a . f = b . f ; a . g = b . g ; } }", sizeof_(code));
}
// keep the comma in template specifiers..
{
const char code[] = "void f()\n"
"{\n"
" int a = b<T<char,3>, int>();\n"
"}\n";
ASSERT_EQUALS("void f ( ) { int a ; a = b < T < char , 3 > , int > ( ) ; }", sizeof_(code));
}
{
// ticket #1327
const char code[] = "const C<1,2,3> foo ()\n"
"{\n"
" return C<1,2,3>(x,y);\n"
"}\n";
const char expected[] = "const C < 1 , 2 , 3 > foo ( ) "
"{"
" return C < 1 , 2 , 3 > ( x , y ) ; "
"}";
ASSERT_EQUALS(expected, sizeof_(code));
}
}
void conditionOperator()
{
{
const char code[] = "; x = a ? b : c;";
ASSERT_EQUALS("; if ( a ) { x = b ; } else { x = c ; }", tok(code));
}
{
const char code[] = "(0?(false?1:2):3)";
ASSERT_EQUALS("( 3 )", tok(code));
}
{
const char code[] = "(1?(false?1:2):3)";
ASSERT_EQUALS("( 2 )", tok(code));
}
{
const char code[] = "int a = (1?0:1 == 1?0:1);";
ASSERT_EQUALS("int a ; a = 0 ;", tok(code));
}
{
const char code[] = "(1?0:foo())";
ASSERT_EQUALS("( 0 )", tok(code));
}
{
const char code[] = "( true ? a ( ) : b ( ) )";
ASSERT_EQUALS("( a ( ) )", tok(code));
}
{
const char code[] = "( true ? abc . a : abc . b )";
ASSERT_EQUALS("( abc . a )", tok(code));
}
{
const char code[] = "void f()\n"
"{\n"
" bool x = false;\n"
" int b = x ? 44 : 3;\n"
"}\n";
ASSERT_EQUALS("void f ( ) { ; }", tok(code));
}
{
const char code[] = "int vals[] = { 0x13, 1?0x01:0x00 };";
ASSERT_EQUALS("int * vals ; vals = { 19 , 1 } ;", tok(code));
}
{
const char code[] = "int vals[] = { 0x13, 0?0x01:0x00 };";
ASSERT_EQUALS("int * vals ; vals = { 19 , 0 } ;", tok(code));
}
{
const char code[] = "= 1 ? 0 : ({ 0; });";
ASSERT_EQUALS("= 0 ;", tok(code));
}
{
const char code[] = "int f(int b, int d)\n"
"{\n"
" d = b ? b : 10;\n"
" return d;\n"
"}\n";
ASSERT_EQUALS("int f ( int b , int d ) { if ( b ) { d = b ; } else { d = 10 ; } return d ; }", tok(code));
}
{
const char code[] = "int f(int b, int *d)\n"
"{\n"
" *d = b ? b : 10;\n"
" return *d;\n"
"}\n";
ASSERT_EQUALS("int f ( int b , int * d ) { if ( b ) { * d = b ; } else { * d = 10 ; } return * d ; }", tok(code));
}
{
const char code[] = "int f(int b, int *d)\n"
"{\n"
" if(b) {b++;}"
" *d = b ? b : 10;\n"
" return *d;\n"
"}\n";
ASSERT_EQUALS("int f ( int b , int * d ) { if ( b ) { b ++ ; } if ( b ) { * d = b ; } else { * d = 10 ; } return * d ; }", tok(code));
}
{
// Ticket #2885
const char code[] = "; s = x ? \" \" : \"-\" ;";
tok(code);
}
}
void calculations()
{
{
const char code[] = "a[i+8+2]";
ASSERT_EQUALS("a [ i + 10 ]", tok(code));
}
{
const char code[] = "a[8+2+i]";
ASSERT_EQUALS("a [ 10 + i ]", tok(code));
}
{
const char code[] = "a[i + 2 * (2 * 4)]";
ASSERT_EQUALS("a [ i + 16 ]", tok(code));
}
{
const char code[] = "a[i + 100 - 90]";
ASSERT_EQUALS("a [ i + 10 ]", tok(code));
}
{
const char code[] = "a[1+1+1+1+1+1+1+1+1+1-2+5-3]";
ASSERT_EQUALS("a [ 10 ]", tok(code));
}
{
const char code[] = "a[10+10-10-10]";
ASSERT_EQUALS("a [ 0 ]", tok(code));
}
ASSERT_EQUALS("a [ 4 ] ;", tok("a[1+3|4];"));
ASSERT_EQUALS("x = 1 + 2 * y ;", tok("x=1+2*y;"));
ASSERT_EQUALS("x = 7 ;", tok("x=1+2*3;"));
ASSERT_EQUALS("x = 47185 ;", tok("x=(65536*72/100);"));
ASSERT_EQUALS("x = 900 ;", tok("x = 1500000 / ((145000 - 55000) * 1000 / 54000);"));
ASSERT_EQUALS("int a [ 8 ] ;", tok("int a[5+6/2];"));
ASSERT_EQUALS("int a [ 4 ] ;", tok("int a[(10)-1-5];"));
ASSERT_EQUALS("int a [ i - 9 ] ;", tok("int a[i - 10 + 1];"));
ASSERT_EQUALS("x = y ;", tok("x=0+y+0-0;"));
ASSERT_EQUALS("x = 0 ;", tok("x=0*y;"));
ASSERT_EQUALS("x = 501 ;", tok("x = 1000 + 2 >> 1;"));
ASSERT_EQUALS("x = 125 ;", tok("x = 1000 / 2 >> 2;"));
{
// Ticket #1997
const char code[] = "void * operator new[](size_t);";
ASSERT_EQUALS("void * operatornew[] ( size_t ) ;", tok(code));
}
ASSERT_EQUALS("; a [ 0 ] ;", tok(";a[0*(*p)];"));
ASSERT_EQUALS(";", tok("; x = x + 0;"));
ASSERT_EQUALS("if ( a == 2 )", tok("if (a==1+1)"));
ASSERT_EQUALS("if ( a + 2 != 6 )", tok("if (a+1+1!=1+2+3)"));
ASSERT_EQUALS("if ( 4 < a )", tok("if (14-2*5<a*4/(2*2))"));
ASSERT_EQUALS("( y / 2 - 2 )", tok("(y / 2 - 2)"));
ASSERT_EQUALS("( y % 2 - 2 )", tok("(y % 2 - 2)"));
}
void goto1()
{
{
const char code[] = "void foo()\n"
"{\n"
" if (a())\n"
" {\n"
" goto out;\n"
" }\n"
" b();\n"
"out:\n"
" c();\n"
"}";
errout.str("");
Settings settings;
Tokenizer tokenizer(&settings, this);
std::istringstream istr(code);
tokenizer.tokenize(istr, "test.cpp");
tokenizer.simplifyTokenList();
tokenizer.validate();
const char expect[] = "\n\n##file 0\n"
"1: void foo ( )\n"
"2: {\n"
"3: if ( a ( ) )\n"
"4: {\n"
"5:\n6:\n7:\n8:\n"
"9: c ( ) ; return ; }\n"
"7: b ( ) ;\n"
"8:\n"
"9: c ( ) ;\n"
"10: }\n";
ASSERT_EQUALS(expect, tokenizer.tokens()->stringifyList(""));
}
{
const char code[] = "void foo()\n"
"{\n"
" if (a())\n"
" goto out;\n"
" b();\n"
"out:\n"
" if (c())\n"
" d();\n"
"}";
errout.str("");
Settings settings;
Tokenizer tokenizer(&settings, this);
std::istringstream istr(code);
tokenizer.tokenize(istr, "test.cpp");
tokenizer.simplifyTokenList();
tokenizer.validate();
const char expect[] = "\n\n##file 0\n"
"1: void foo ( )\n"
"2: {\n"
"3: if ( a ( ) ) {\n"
"4:\n5:\n6:\n"
"7: if ( c ( ) ) {\n"
"8: d ( ) ; } return ; }\n"
"5: b ( ) ;\n"
"6:\n"
"7: if ( c ( ) ) {\n"
"8: d ( ) ; }\n"
"9: }\n";
ASSERT_EQUALS(expect, tokenizer.tokens()->stringifyList(""));
}
{
const char code[] = "void foo()\n"
"{\n"
" if (a())\n"
" goto out;\n"
" b();\n"
"out:\n"
" if (c())\n"
" {\n"
" d();\n"
" }\n"
"}";
const char expect[] = "void foo ( ) "
"{ "
"if ( a ( ) ) "
"{ "
"if ( c ( ) ) "
"{ d ( ) ; } "
"return ; "
"} "
"b ( ) ; "
"if ( c ( ) ) "
"{ d ( ) ; } "
"}";
ASSERT_EQUALS(expect, tok(code));
}
{
const char code[] = "void foo(int x)\n"
"{\n"
" if (a())\n"
" goto out;\n"
" b();\n"
"out:\n"
" if (x)\n"
" {\n"
" x++; b[0]=x;\n"
" }\n"
"}";
const char expect[] = "void foo ( int x ) "
"{ "
"if ( a ( ) ) "
"{ "
"if ( x ) "
"{ x ++ ; b [ 0 ] = x ; } "
"return ; "
"} "
"b ( ) ; "
"if ( x ) "
"{ x ++ ; b [ 0 ] = x ; } "
"}";
ASSERT_EQUALS(expect, tok(code));
}
{
const char code[] = "class NoLabels { bool varOne : 1 ; bool varTwo : 1 ; } ;";
const char expect[] = "class NoLabels { bool varOne ; bool varTwo ; } ;";
ASSERT_EQUALS(expect, tok(code));
}
{
const char code[] = "void foo ( ) { int var ; var = x < y ? y : z ; } ;";
ASSERT_EQUALS(code, tok(code));
}
}
void goto2()
{
// Don't simplify goto inside function call (macro)
const char code[] = "void f ( ) { slist_iter ( if ( a ) { goto dont_write ; } dont_write : ; x ( ) ; ) ; }";
ASSERT_EQUALS(code, tok(code));
}
void strcat1()
{
const char code[] = "; strcat(strcat(strcat(strcat(strcat(strcat(dst, \"this \"), \"\"), \"is \"), \"a \"), \"test\"), \".\");";
const char expect[] = "; "
"strcat ( dst , \"this \" ) ; "
"strcat ( dst , \"\" ) ; "
"strcat ( dst , \"is \" ) ; "
"strcat ( dst , \"a \" ) ; "
"strcat ( dst , \"test\" ) ; "
"strcat ( dst , \".\" ) ;";
ASSERT_EQUALS(expect, tok(code));
}
void strcat2()
{
const char code[] = "; strcat(strcat(dst, foo[0]), \" \");";
const char expect[] = "; "
"strcat ( dst , foo [ 0 ] ) ; "
"strcat ( dst , \" \" ) ;";
ASSERT_EQUALS(expect, tok(code));
}
void argumentsWithSameName()
{
// This code has syntax error, two variables can not have the same name
{
const char code[] = "void foo(x, x)\n"
" int x;\n"
" int x;\n"
"{}\n";
ASSERT_EQUALS("void foo ( x , x ) int x ; int x ; { }", tok(code));
}
{
const char code[] = "void foo(x, y)\n"
" int x;\n"
" int x;\n"
"{}\n";
ASSERT_EQUALS("void foo ( int x , y ) int x ; { }", tok(code));
}
}
void simplifyAtol()
{
ASSERT_EQUALS("a = std :: atol ( x ) ;", tok("a = std::atol(x);"));
ASSERT_EQUALS("a = atol ( \"text\" ) ;", tok("a = atol(\"text\");"));
ASSERT_EQUALS("a = 0 ;", tok("a = std::atol(\"0\");"));
ASSERT_EQUALS("a = 10 ;", tok("a = atol(\"0xa\");"));
}
void simplifyHexInString()
{
ASSERT_EQUALS("\"a\"", tok("\"\\x61\""));
ASSERT_EQUALS("\"a\"", tok("\"\\141\""));
ASSERT_EQUALS("\"\\0\"", tok("\"\\x00\""));
ASSERT_EQUALS("\"\\0\"", tok("\"\\000\""));
ASSERT_EQUALS("\"\\nhello\"", tok("\"\\nhello\""));
ASSERT_EQUALS("\"aaa\"", tok("\"\\x61\\x61\\x61\""));
ASSERT_EQUALS("\"aaa\"", tok("\"\\141\\141\\141\""));
ASSERT_EQUALS("\"\\\\x61\"", tok("\"\\\\x61\""));
// These tests can fail, if other characters are handled
// more correctly. But for now all non null characters should
// become 'a'
ASSERT_EQUALS("\"a\"", tok("\"\\x62\""));
ASSERT_EQUALS("\"a\"", tok("\"\\177\""));
}
std::string simplifyTypedef(const char code[])
{
errout.str("");
Settings settings;
Tokenizer tokenizer(&settings, this);
std::istringstream istr(code);
tokenizer.createTokens(istr);
tokenizer.createLinks();
tokenizer.simplifyTypedef();
std::string ret;
for (const Token *tok1 = tokenizer.tokens(); tok1; tok1 = tok1->next())
{
if (tok1 != tokenizer.tokens())
ret += " ";
ret += tok1->str();
}
return ret;
}
void simplifyTypedef1()
{
const char code[] = "class A\n"
"{\n"
"public:\n"
" typedef wchar_t duplicate;\n"
" void foo() {}\n"
"};\n"
"typedef A duplicate;\n"
"int main()\n"
"{\n"
" duplicate a;\n"
" a.foo();\n"
" A::duplicate c = 0;\n"
"}\n";
const std::string expected =
"class A "
"{ "
"public: "
"; "
"void foo ( ) { } "
"} ; "
"int main ( ) "
"{ "
"A a ; "
"a . foo ( ) ; "
"wchar_t c ; c = 0 ; "
"}";
ASSERT_EQUALS(expected, tok(code));
}
void simplifyTypedef2()
{
const char code[] = "class A;\n"
"typedef A duplicate;\n"
"class A\n"
"{\n"
"public:\n"
"typedef wchar_t duplicate;\n"
"duplicate foo() { wchar_t b; return b; }\n"
"};\n";
const std::string expected =
"class A ; "
"class A "
"{ "
"public: "
"; "
"wchar_t foo ( ) { wchar_t b ; return b ; } "
"} ;";
ASSERT_EQUALS(expected, tok(code));
}
void simplifyTypedef3()
{
const char code[] = "class A {};\n"
"typedef A duplicate;\n"
"wchar_t foo()\n"
"{\n"
"typedef wchar_t duplicate;\n"
"duplicate b;\n"
"return b;\n"
"}\n"
"int main()\n"
"{\n"
"duplicate b;\n"
"}\n";
const std::string expected =
"class A { } ; "
"wchar_t foo ( ) "
"{ "
"; "
"wchar_t b ; "
"return b ; "
"} "
"int main ( ) "
"{ "
"A b ; "
"}";
ASSERT_EQUALS(expected, tok(code));
}
void simplifyTypedef4()
{
const char code[] = "typedef int s32;\n"
"typedef unsigned int u32;\n"
"void f()\n"
"{\n"
" s32 ivar = -2;\n"
" u32 uvar = 2;\n"
" return uvar / ivar;\n"
"}\n";
const std::string expected =
"; "
"void f ( ) "
"{ "
"int ivar ; ivar = -2 ; "
"unsigned int uvar ; uvar = 2 ; "
"return uvar / ivar ; "
"}";
ASSERT_EQUALS(expected, tok(code, false));
}
void simplifyTypedef5()
{
// ticket #780
const char code[] =
"typedef struct yy_buffer_state *YY_BUFFER_STATE;\n"
"void f()\n"
"{\n"
" YY_BUFFER_STATE state;\n"
"}\n";
const char expected[] =
"; "
"void f ( ) "
"{ "
"struct yy_buffer_state * state ; "
"}";
ASSERT_EQUALS(expected, tok(code, false));
}
void simplifyTypedef6()
{
// ticket #983
const char code[] =
"namespace VL {\n"
" typedef float float_t ;\n"
" inline VL::float_t fast_atan2(VL::float_t y, VL::float_t x){}\n"
"}\n";
const char expected[] =
"namespace VL { "
"; "
"float fast_atan2 ( float y , float x ) { } "
"}";
ASSERT_EQUALS(expected, tok(code, false));
}
void simplifyTypedef7()
{
const char code[] = "typedef int abc ; "
"Fred :: abc f ;";
const char expected[] =
"; "
"Fred :: abc f ;";
ASSERT_EQUALS(expected, tok(code, false));
}
void simplifyTypedef8()
{
const char code[] = "typedef int INT;\n"
"typedef unsigned int UINT;\n"
"typedef int * PINT;\n"
"typedef unsigned int * PUINT;\n"
"typedef int & RINT;\n"
"typedef unsigned int & RUINT;\n"
"typedef const int & RCINT;\n"
"typedef const unsigned int & RCUINT;\n"
"INT ti;\n"
"UINT tui;\n"
"PINT tpi;\n"
"PUINT tpui;\n"
"RINT tri;\n"
"RUINT trui;\n"
"RCINT trci;\n"
"RCUINT trcui;";
const char expected[] =
"; "
"int ti ; "
"unsigned int tui ; "
"int * tpi ; "
"unsigned int * tpui ; "
"int & tri ; "
"unsigned int & trui ; "
"const int & trci ; "
"const unsigned int & trcui ;";
ASSERT_EQUALS(expected, tok(code, false));
}
void simplifyTypedef9()
{
const char code[] = "typedef struct s S, * PS;\n"
"typedef struct t { int a; } T, *TP;\n"
"typedef struct { int a; } U;\n"
"typedef struct { int a; } * V;\n"
"S s;\n"
"PS ps;\n"
"T t;\n"
"TP tp;\n"
"U u;\n"
"V v;";
const char expected[] =
"; "
"struct t { int a ; } ; "
"struct U { int a ; } ; "
"struct Unnamed0 { int a ; } ; "
"struct s s ; "
"struct s * ps ; "
"struct t t ; "
"struct t * tp ; "
"struct U u ; "
"struct Unnamed0 * v ;";
ASSERT_EQUALS(expected, tok(code, false));
}
void simplifyTypedef10()
{
const char code[] = "typedef union s S, * PS;\n"
"typedef union t { int a; float b ; } T, *TP;\n"
"typedef union { int a; float b; } U;\n"
"typedef union { int a; float b; } * V;\n"
"S s;\n"
"PS ps;\n"
"T t;\n"
"TP tp;\n"
"U u;\n"
"V v;";
const char expected[] =
"; "
"union t { int a ; float b ; } ; "
"union U { int a ; float b ; } ; "
"union Unnamed1 { int a ; float b ; } ; "
"union s s ; "
"union s * ps ; "
"union t t ; "
"union t * tp ; "
"union U u ; "
"union Unnamed1 * v ;";
ASSERT_EQUALS(expected, tok(code, false));
}
void simplifyTypedef11()
{
const char code[] = "typedef enum { a = 0 , b = 1 , c = 2 } abc;\n"
"typedef enum xyz { x = 0 , y = 1 , z = 2 } XYZ;\n"
"abc e1;\n"
"XYZ e2;";
const char expected[] =
"; "
"int e1 ; "
"int e2 ;";
ASSERT_EQUALS(expected, tok(code, false));
}
void simplifyTypedef12()
{
const char code[] = "typedef vector<int> V1;\n"
"typedef std::vector<int> V2;\n"
"typedef std::vector<std::vector<int> > V3;\n"
"typedef std::list<int>::iterator IntListIterator;\n"
"V1 v1;\n"
"V2 v2;\n"
"V3 v3;\n"
"IntListIterator iter;";
const char expected[] =
"; "
"vector < int > v1 ; "
"std :: vector < int > v2 ; "
"std :: vector < std :: vector < int > > v3 ; "
"std :: list < int > :: iterator iter ;";
ASSERT_EQUALS(expected, tok(code, false));
}
void simplifyTypedef13()
{
// ticket # 1167
const char code[] = "typedef std::pair<int(*)(void*), void*> Func;"
"typedef std::vector<Func> CallQueue;"
"int main() {}";
// Clear the error buffer..
errout.str("");
Settings settings;
Tokenizer tokenizer(&settings, this);
std::istringstream istr(code);
tokenizer.tokenize(istr, "test.cpp");
tokenizer.simplifyTokenList();
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef14()
{
// ticket # 1232
const char code[] = "template <typename F, unsigned int N> struct E"
"{"
" typedef E<F,(N>0)?(N-1):0> v;"
" typedef typename add<v,v>::val val;"
" FP_M(val);"
"};"
"template <typename F> struct E <F,0>"
"{"
" typedef typename D<1>::val val;"
" FP_M(val);"
"};";
// Clear the error buffer..
errout.str("");
Settings settings;
Tokenizer tokenizer(&settings, this);
std::istringstream istr(code);
tokenizer.tokenize(istr, "test.cpp");
tokenizer.simplifyTokenList();
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef15()
{
{
const char code[] = "typedef char frame[10];\n"
"frame f;";
const char expected[] =
"; "
"char f [ 10 ] ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "typedef unsigned char frame[10];\n"
"frame f;";
const char expected[] =
"; "
"unsigned char f [ 10 ] ;";
ASSERT_EQUALS(expected, tok(code, false));
}
}
void simplifyTypedef16()
{
// ticket # 1252
const char code[] = "typedef char MOT8;\n"
"typedef MOT8 CHFOO[4096];\n"
"typedef struct {\n"
" CHFOO freem;\n"
"} STRFOO;";
// Clear the error buffer..
errout.str("");
Settings settings;
Tokenizer tokenizer(&settings, this);
std::istringstream istr(code);
tokenizer.tokenize(istr, "test.cpp");
tokenizer.simplifyTokenList();
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef17()
{
const char code[] = "typedef char * PCHAR, CHAR;\n"
"PCHAR pc;\n"
"CHAR c;";
const char expected[] =
"; "
"char * pc ; "
"char c ;";
ASSERT_EQUALS(expected, tok(code, false));
}
void simplifyTypedef18()
{
const char code[] = "typedef vector<int[4]> a;\n"
"a b;\n";
// Clear the error buffer..
errout.str("");
Settings settings;
Tokenizer tokenizer(&settings, this);
std::istringstream istr(code);
tokenizer.tokenize(istr, "test.cpp");
tokenizer.simplifyTokenList();
ASSERT_EQUALS(true, tokenizer.validate());
}
void simplifyTypedef19()
{
{
// ticket #1275
const char code[] = "typedef struct {} A, *B, **C;\n"
"A a;\n"
"B b;\n"
"C c;";
const char expected[] =
"struct A { } ; "
"struct A a ; "
"struct A * b ; "
"struct A * * c ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "typedef struct {} A, *********B;\n"
"A a;\n"
"B b;";
const char expected[] =
"struct A { } ; "
"struct A a ; "
"struct A * * * * * * * * * b ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "typedef struct {} **********A, *B, C;\n"
"A a;\n"
"B b;\n"
"C c;";
const char expected[] =
"struct Unnamed2 { } ; "
"struct Unnamed2 * * * * * * * * * * a ; "
"struct Unnamed2 * b ; "
"struct Unnamed2 c ;";
ASSERT_EQUALS(expected, tok(code, false));
}
}
void simplifyTypedef20()
{
// ticket #1284
const char code[] = "typedef jobject invoke_t (jobject, Proxy *, Method *, JArray< jobject > *);";
// Clear the error buffer..
errout.str("");
Settings settings;
Tokenizer tokenizer(&settings, this);
std::istringstream istr(code);
tokenizer.tokenize(istr, "test.cpp");
tokenizer.simplifyTokenList();
ASSERT_EQUALS(true, tokenizer.validate());
}
void simplifyTypedef21()
{
const char code[] = "typedef void (* PF)();\n"
"typedef void * (* PFV)(void *);\n"
"PF pf;\n"
"PFV pfv;";
const char expected[] =
"; "
"; "
"void ( * pf ) ( ) ; "
"void * ( * pfv ) ( void * ) ;";
ASSERT_EQUALS(expected, simplifyTypedef(code));
}
void simplifyTypedef22()
{
{
const char code[] = "class Fred {\n"
" typedef void (*testfp)();\n"
" testfp get() { return test; }\n"
" static void test() { }\n"
"};";
const char expected[] =
"class Fred { "
"; "
"void ( * get ( ) ) ( ) { return test ; } "
"static void test ( ) { } "
"} ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "class Fred {\n"
" typedef void * (*testfp)(void *);\n"
" testfp get() { return test; }\n"
" static void * test(void * p) { return p; }\n"
"};\n";
const char expected[] =
"class Fred { "
"; "
"void * ( * get ( ) ) ( void * ) { return test ; } "
"static void * test ( void * p ) { return p ; } "
"} ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "class Fred {\n"
" typedef unsigned int * (*testfp)(unsigned int *);\n"
" testfp get() { return test; }\n"
" static unsigned int * test(unsigned int * p) { return p; }\n"
"};\n";
const char expected[] =
"class Fred { "
"; "
"unsigned int * ( * get ( ) ) ( unsigned int * ) { return test ; } "
"static unsigned int * test ( unsigned int * p ) { return p ; } "
"} ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "class Fred {\n"
" typedef const unsigned int * (*testfp)(const unsigned int *);\n"
" testfp get() { return test; }\n"
" static const unsigned int * test(const unsigned int * p) { return p; }\n"
"};\n";
// static const gets changed to const static
const char expected[] =
"class Fred { "
"; "
"const unsigned int * ( * get ( ) ) ( const unsigned int * ) { return test ; } "
"const static unsigned int * test ( const unsigned int * p ) { return p ; } "
"} ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "class Fred {\n"
" typedef void * (*testfp)(void *);\n"
" testfp get(int i) { return test; }\n"
" static void * test(void * p) { return p; }\n"
"};\n";
const char expected[] =
"class Fred { "
"; "
"void * ( * get ( int i ) ) ( void * ) { return test ; } "
"static void * test ( void * p ) { return p ; } "
"} ;";
ASSERT_EQUALS(expected, tok(code, false));
}
}
void simplifyTypedef23()
{
const char code[] = "typedef bool (*Callback) (int i);\n"
"void addCallback(Callback callback) { }\n"
"void addCallback1(Callback callback, int j) { }";
const char expected[] =
"; "
"void addCallback ( bool * callback ) { } "
"void addCallback1 ( bool * callback , int j ) { }";
ASSERT_EQUALS(expected, tok(code, false));
}
void simplifyTypedef24()
{
{
const char code[] = "typedef int (*fp)();\n"
"void g( fp f )\n"
"{\n"
" fp f2 = (fp)f;\n"
"}";
const char expected[] =
"; "
"void g ( int * f ) "
"{ "
"int * f2 ; f2 = ( int * ) f ; "
"}";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "typedef int (*fp)();\n"
"void g( fp f )\n"
"{\n"
" fp f2 = static_cast<fp>(f);\n"
"}";
const char expected[] =
"; "
"void g ( int * f ) "
"{ "
"int * f2 ; f2 = static_cast < int * > ( f ) ; "
"}";
ASSERT_EQUALS(expected, tok(code, false));
}
}
void simplifyTypedef25()
{
{
// ticket #1298
const char code[] = "typedef void (*fill_names_f) (const char *);\n"
"struct vfs_class {\n"
" void (*fill_names) (struct vfs_class *me, fill_names_f);\n"
"}";
const char expected[] =
"; "
"struct vfs_class { "
"void ( * fill_names ) ( struct vfs_class * me , void ( * ) ( const char * ) ) ; "
"}";
ASSERT_EQUALS(expected, simplifyTypedef(code));
}
{
const char code[] = "typedef void (*fill_names_f) (const char *);\n"
"struct vfs_class {\n"
" void (*fill_names) (fill_names_f, struct vfs_class *me);\n"
"}";
const char expected[] =
"; "
"struct vfs_class { "
"void ( * fill_names ) ( void ( * ) ( const char * ) , struct vfs_class * me ) ; "
"}";
ASSERT_EQUALS(expected, simplifyTypedef(code));
}
}
void simplifyTypedef26()
{
{
const char code[] = "typedef void (*Callback) ();\n"
"void addCallback(Callback (*callback)());";
const char expected[] =
"; "
"void addCallback ( void ( * ( * callback ) ( ) ) ( ) ) ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
// ticket # 1307
const char code[] = "typedef void (*pc_video_update_proc)(bitmap_t *bitmap,\n"
"struct mscrtc6845 *crtc);\n"
"\n"
"struct mscrtc6845 *pc_video_start(pc_video_update_proc (*choosevideomode)(running_machine *machine, int *width, int *height, struct mscrtc6845 *crtc));";
const char expected[] =
"; "
"struct mscrtc6845 * pc_video_start ( void ( * ( * choosevideomode ) ( running_machine * machine , int * width , int * height , struct mscrtc6845 * crtc ) ) ( bitmap_t * bitmap , struct mscrtc6845 * crtc ) ) ;";
ASSERT_EQUALS(expected, tok(code, false));
}
}
void simplifyTypedef27()
{
// ticket #1316
const char code[] = "int main()\n"
"{\n"
" typedef int (*func_ptr)(float, double);\n"
" VERIFY((is_same<result_of<func_ptr(char, float)>::type, int>::value));\n"
"}";
const char expected[] =
"int main ( ) "
"{ "
"; "
"VERIFY ( is_same < result_of < int ( * ( char , float ) ) ( float , double ) > :: type , int > :: value ) ; "
"}";
ASSERT_EQUALS(expected, tok(code, false));
}
void simplifyTypedef28()
{
const char code[] = "typedef std::pair<double, double> (*F)(double);\n"
"F f;";
const char expected[] =
"; "
"std :: pair < double , double > ( * f ) ( double ) ;";
ASSERT_EQUALS(expected, tok(code, false));
}
void simplifyTypedef29()
{
const char code[] = "typedef int array [ice_or<is_int<int>::value, is_int<UDT>::value>::value ? 1 : -1];\n"
"typedef int array1 [N];\n"
"typedef int array2 [N][M];\n"
"typedef int int_t, int_array[N];\n"
"array a;\n"
"array1 a1;\n"
"array2 a2;\n"
"int_t t;\n"
"int_array ia;";
const char expected[] =
"; "
"int a [ ice_or < is_int < int > :: value , is_int < UDT > :: value > :: value ? 1 : -1 ] ; "
"int a1 [ N ] ; "
"int a2 [ N ] [ M ] ; "
"int t ; "
"int ia [ N ] ;";
ASSERT_EQUALS(expected, tok(code, false));
}
void simplifyTypedef30()
{
const char code[] = "typedef ::std::list<int> int_list;\n"
"typedef ::std::list<int>::iterator int_list_iterator;\n"
"typedef ::std::list<int> int_list_array[10];\n"
"int_list il;\n"
"int_list_iterator ili;\n"
"int_list_array ila;";
const char expected[] =
"; "
":: std :: list < int > il ; "
":: std :: list < int > :: iterator ili ; "
":: std :: list < int > ila [ 10 ] ;";
ASSERT_EQUALS(expected, tok(code, false));
}
void simplifyTypedef31()
{
{
const char code[] = "class A {\n"
"public:\n"
" typedef int INT;\n"
" INT get() const;\n"
" void put(INT x) { a = x; }\n"
" INT a;\n"
"};\n"
"A::INT A::get() const { return a; }\n"
"A::INT i = A::a;";
const char expected[] = "class A { "
"public: "
"; "
"int get ( ) const ; "
"void put ( int x ) { a = x ; } "
"int a ; "
"} ; "
"int A :: get ( ) const { return a ; } "
"int i ; i = A :: a ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "struct A {\n"
" typedef int INT;\n"
" INT get() const;\n"
" void put(INT x) { a = x; }\n"
" INT a;\n"
"};\n"
"A::INT A::get() const { return a; }\n"
"A::INT i = A::a;";
const char expected[] = "struct A { "
"; "
"int get ( ) const ; "
"void put ( int x ) { a = x ; } "
"int a ; "
"} ; "
"int A :: get ( ) const { return a ; } "
"int i ; i = A :: a ;";
ASSERT_EQUALS(expected, tok(code, false));
}
}
void simplifyTypedef32()
{
const char code[] = "typedef char CHAR;\n"
"typedef CHAR * LPSTR;\n"
"typedef const CHAR * LPCSTR;\n"
"CHAR c;\n"
"LPSTR cp;\n"
"LPCSTR ccp;";
const char expected[] =
"; "
"char c ; "
"char * cp ; "
"const char * ccp ;";
ASSERT_EQUALS(expected, tok(code, false));
}
void simplifyTypedef33()
{
const char code[] = "class A {\n"
"public:\n"
" typedef char CHAR_A;\n"
" CHAR_A funA();\n"
" class B {\n"
" public:\n"
" typedef short SHRT_B;\n"
" SHRT_B funB();\n"
" class C {\n"
" public:\n"
" typedef int INT_C;\n"
" INT_C funC();\n"
" struct D {\n"
" typedef long LONG_D;\n"
" LONG_D funD();\n"
" LONG_D d;\n"
" };\n"
" INT_C c;\n"
" };\n"
" SHRT_B b;\n"
" };\n"
" CHAR_A a;\n"
"};\n"
"A::CHAR_A A::funA() { return a; }\n"
"A::B::SHRT_B A::B::funB() { return b; }\n"
"A::B::C::INT_C A::B::C::funC() { return c; }"
"A::B::C::D::LONG_D A::B::C::D::funD() { return d; }";
const char expected[] =
"class A { "
"public: "
"; "
"char funA ( ) ; "
"class B { "
"public: "
"; "
"short funB ( ) ; "
"class C { "
"public: "
"; "
"int funC ( ) ; "
"struct D { "
"; "
"long funD ( ) ; "
"long d ; "
"} ; "
"int c ; "
"} ; "
"short b ; "
"} ; "
"char a ; "
"} ; "
"char A :: funA ( ) { return a ; } "
"short A :: B :: funB ( ) { return b ; } "
"int A :: B :: C :: funC ( ) { return c ; } "
"long A :: B :: C :: D :: funD ( ) { return d ; }";
ASSERT_EQUALS(expected, tok(code, false));
}
void simplifyTypedef34()
{
// ticket #1411
const char code[] = "class X { };\n"
"typedef X (*foofunc)(const X&);\n"
"int main()\n"
"{\n"
" foofunc *Foo = new foofunc[2];\n"
"}";
const char expected[] =
"class X { } ; "
"int main ( ) "
"{ "
"X ( * * Foo ) ( const X & ) = new X ( * ) ( const X & ) [ 2 ] ; "
"}";
ASSERT_EQUALS(expected, tok(code, false));
}
// Check simplifyTypedef
void checkSimplifyTypedef(const char code[])
{
errout.str("");
// Tokenize..
Settings settings;
settings.inconclusive = true;
settings.addEnabled("style");
settings.debugwarnings = true; // show warnings about unhandled typedef
Tokenizer tokenizer(&settings, this);
std::istringstream istr(code);
tokenizer.tokenize(istr, "test.cpp");
}
void simplifyTypedef35()
{
const char code[] = "typedef int A;\n"
"class S\n"
"{\n"
"public:\n"
" typedef float A;\n"
" A a;\n"
" virtual void fun(A x);\n"
"};\n"
"void S::fun(S::A) { };\n"
"class S1 : public S\n"
"{\n"
"public:\n"
" void fun(S::A) { }\n"
"};\n"
"struct T\n"
"{\n"
" typedef A B;\n"
" B b;\n"
"};\n"
"float fun1(float A) { return A; }\n"
"float fun2(float a) { float A = a++; return A; }\n"
"float fun3(int a)\n"
"{\n"
" typedef struct { int a; } A;\n"
" A s; s.a = a;\n"
" return s.a;\n"
"}\n"
"int main()\n"
"{\n"
" A a = 0;\n"
" S::A s = fun1(a) + fun2(a) - fun3(a);\n"
" return a + s;\n"
"}";
const char expected[] = "; "
"class S "
"{ "
"public: "
"; "
"float a ; "
"virtual void fun ( float x ) ; "
"} ; "
"void S :: fun ( float ) { } ; "
"class S1 : public S "
"{ "
"public: "
"void fun ( float ) { } "
"} ; "
"struct T "
"{ "
"; "
"int b ; "
"} ; "
"float fun1 ( float A ) { return A ; } "
"float fun2 ( float a ) { float A ; A = a ++ ; return A ; } "
"float fun3 ( int a ) "
"{ "
"struct A { int a ; } ; "
"struct A s ; s . a = a ; "
"return s . a ; "
"} "
"int main ( ) "
"{ "
"int a ; a = 0 ; "
"float s ; s = fun1 ( a ) + fun2 ( a ) - fun3 ( a ) ; "
"return a + s ; "
"}";
ASSERT_EQUALS(expected, tok(code, false));
checkSimplifyTypedef(code);
ASSERT_EQUALS("[test.cpp:5] -> [test.cpp:1]: (style) Typedef 'A' hides typedef with same name\n"
"[test.cpp:20] -> [test.cpp:1]: (style) Function parameter 'A' hides typedef with same name\n"
"[test.cpp:21] -> [test.cpp:1]: (style) Variable 'A' hides typedef with same name\n"
"[test.cpp:24] -> [test.cpp:1]: (style) Typedef 'A' hides typedef with same name\n", errout.str());
}
void simplifyTypedef36()
{
// ticket #1434
const char code[] = "typedef void (*TIFFFaxFillFunc)();\n"
"void f(va_list ap)\n"
"{\n"
" *va_arg(ap, TIFFFaxFillFunc*) = 0;\n"
"}";
const char expected[] = "; "
"void f ( va_list ap ) "
"{ "
"* va_arg ( ap , void ( * * ) ( ) ) = 0 ; "
"}";
ASSERT_EQUALS(expected, tok(code, false));
}
void simplifyTypedef37()
{
{
// ticket #1449
const char code[] = "template <class T> class V {};\n"
"typedef V<int> A;\n"
"typedef int B;\n"
"typedef V<int> A;\n"
"typedef int B;";
checkSimplifyTypedef(code);
ASSERT_EQUALS("[test.cpp:4] -> [test.cpp:2]: (style) Typedef 'A' hides typedef with same name\n"
"[test.cpp:5] -> [test.cpp:3]: (style) Typedef 'B' hides typedef with same name\n", errout.str());
}
{
const char code[] = "typedef int INT;\n"
"void f()\n"
"{\n"
" INT i; { }\n"
"}";
const char expected[] = "; "
"void f ( ) "
"{ "
"int i ; { } "
"}";
ASSERT_EQUALS(expected, tok(code, false));
}
}
void simplifyTypedef38()
{
const char code[] = "typedef C A;\n"
"struct AB : public A, public B { };";
const char expected[] = "; struct AB : public C , public B { } ;";
ASSERT_EQUALS(expected, tok(code, false));
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef39()
{
const char code[] = "typedef int A;\n"
"template <const A, volatile A>::value;";
const char expected[] = ";";
ASSERT_EQUALS(expected, tok(code, false));
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef40()
{
const char code[] = "typedef int A;\n"
"typedef int B;\n"
"template <class A, class B> class C { };";
const char expected[] = ";";
ASSERT_EQUALS(expected, tok(code, false));
checkSimplifyTypedef(code);
ASSERT_EQUALS("[test.cpp:3] -> [test.cpp:1]: (style) Template parameter 'A' hides typedef with same name\n"
"[test.cpp:3] -> [test.cpp:2]: (style) Template parameter 'B' hides typedef with same name\n", errout.str());
checkSimplifyTypedef("typedef tuple<double&, const double&, const double, double*, const double*> t2;\n"
"void ordering_test()\n"
"{\n"
" tuple<short, float> t2(5, 3.3f);\n"
" BOOST_CHECK(t3 > t2);\n"
"}");
ASSERT_EQUALS("[test.cpp:4] -> [test.cpp:1]: (style) Template instantiation 't2' hides typedef with same name\n", errout.str());
checkSimplifyTypedef("class MyOverflowingUnsigned\n"
"{\n"
"public:\n"
" typedef unsigned self_type::* bool_type;\n"
" operator bool_type() const { return this->v_ ? &self_type::v_ : 0; }\n"
"}");
ASSERT_EQUALS("", errout.str());
checkSimplifyTypedef("typedef int (*fptr_type)(int, int);\n"
"struct which_one {\n"
" typedef fptr_type (*result_type)(bool x);\n"
"}");
ASSERT_EQUALS("", errout.str());
checkSimplifyTypedef("class my_configuration\n"
"{\n"
"public:\n"
" template < typename T >\n"
" class hook\n"
" {\n"
" public:\n"
" typedef ::boost::rational<T> rational_type;\n"
" public:\n"
" rational_type ( &r_ )[ 9 ];\n"
" };\n"
"}");
ASSERT_EQUALS("", errout.str());
checkSimplifyTypedef("class A\n"
"{\n"
" typedef B b;\n"
" friend b;\n"
"};");
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef41()
{
// ticket #1488
checkSimplifyTypedef("class Y;\n"
"class X\n"
"{\n"
" typedef Y type;\n"
" friend class type;\n"
"};");
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef42()
{
// ticket #1506
checkSimplifyTypedef("typedef struct A { } A;\n"
"struct A;");
ASSERT_EQUALS("[test.cpp:2] -> [test.cpp:1]: (style) Struct 'A' forward declaration unnecessary, already declared\n", errout.str());
checkSimplifyTypedef("typedef union A { int i; float f; } A;\n"
"union A;");
ASSERT_EQUALS("[test.cpp:2] -> [test.cpp:1]: (style) Union 'A' forward declaration unnecessary, already declared\n", errout.str());
checkSimplifyTypedef("typedef std::map<std::string, int> A;\n"
"class A;");
ASSERT_EQUALS("[test.cpp:2] -> [test.cpp:1]: (style) Class 'A' forward declaration unnecessary, already declared\n", errout.str());
}
void simplifyTypedef43()
{
// ticket #1588
{
const char code[] = "typedef struct foo A;\n"
"struct A\n"
"{\n"
" int alloclen;\n"
"};\n";
// The expected result..
const std::string expected("; "
"struct A "
"{ "
"int alloclen ; "
"} ;");
ASSERT_EQUALS(expected, sizeof_(code));
checkSimplifyTypedef(code);
ASSERT_EQUALS("[test.cpp:2] -> [test.cpp:1]: (style) Struct 'A' hides typedef with same name\n", errout.str());
}
{
const char code[] = "typedef union foo A;\n"
"union A\n"
"{\n"
" int alloclen;\n"
"};\n";
// The expected result..
const std::string expected("; "
"union A "
"{ "
"int alloclen ; "
"} ;");
ASSERT_EQUALS(expected, sizeof_(code));
checkSimplifyTypedef(code);
ASSERT_EQUALS("[test.cpp:2] -> [test.cpp:1]: (style) Union 'A' hides typedef with same name\n", errout.str());
}
{
const char code[] = "typedef class foo A;\n"
"class A\n"
"{\n"
" int alloclen;\n"
"};\n";
// The expected result..
const std::string expected("; "
"class A "
"{ "
"int alloclen ; "
"} ;");
ASSERT_EQUALS(expected, sizeof_(code));
checkSimplifyTypedef(code);
ASSERT_EQUALS("[test.cpp:2] -> [test.cpp:1]: (style) Class 'A' hides typedef with same name\n", errout.str());
}
}
void simplifyTypedef44()
{
{
const char code[] = "typedef std::map<std::string, int> Map;\n"
"class MyMap : public Map\n"
"{\n"
"};\n";
// The expected result..
const std::string expected("; "
"class MyMap : public std :: map < std :: string , int > "
"{ "
"} ;");
ASSERT_EQUALS(expected, sizeof_(code));
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "typedef std::map<std::string, int> Map;\n"
"class MyMap : protected Map\n"
"{\n"
"};\n";
// The expected result..
const std::string expected("; "
"class MyMap : protected std :: map < std :: string , int > "
"{ "
"} ;");
ASSERT_EQUALS(expected, sizeof_(code));
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "typedef std::map<std::string, int> Map;\n"
"class MyMap : private Map\n"
"{\n"
"};\n";
// The expected result..
const std::string expected("; "
"class MyMap : private std :: map < std :: string , int > "
"{ "
"} ;");
ASSERT_EQUALS(expected, sizeof_(code));
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "typedef struct foo { } A;\n"
"struct MyA : public A\n"
"{\n"
"};\n";
// The expected result..
const std::string expected("struct foo { } ; "
"struct MyA : public foo "
"{ "
"} ;");
ASSERT_EQUALS(expected, sizeof_(code));
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "typedef class foo { } A;\n"
"class MyA : public A\n"
"{\n"
"};\n";
// The expected result..
const std::string expected("class foo { } ; "
"class MyA : public foo "
"{ "
"} ;");
ASSERT_EQUALS(expected, sizeof_(code));
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
}
void simplifyTypedef45()
{
// ticket # 1613
const char code[] = "void fn() {\n"
" typedef foo<> bar;\n"
" while (0 > bar(1)) {}\n"
"}";
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef46()
{
const char code[] = "typedef const struct A { int a; } * AP;\n"
"AP ap;\n";
// The expected result..
const std::string expected("struct A { int a ; } ; "
"const struct A * ap ;");
ASSERT_EQUALS(expected, sizeof_(code));
}
void simplifyTypedef47()
{
{
const char code[] = "typedef std::pair<int, int> const I;\n"
"I i;";
// The expected result..
const std::string expected("; "
"std :: pair < int , int > const i ;");
ASSERT_EQUALS(expected, sizeof_(code));
}
{
const char code[] = "typedef void (X:: *F)();\n"
"F f;";
// The expected result..
const std::string expected("; "
"void ( X :: * f ) ( ) ;");
ASSERT_EQUALS(expected, sizeof_(code));
}
}
void simplifyTypedef48() // ticket #1673
{
const char code[] = "typedef struct string { } string;\n"
"void foo (LIST *module_name)\n"
"{\n"
" bar(module_name ? module_name->string : 0);\n"
"}\n";
// The expected result..
const std::string expected("struct string { } ; "
"void foo ( LIST * module_name ) "
"{ "
"bar ( module_name ? module_name . string : 0 ) ; "
"}");
ASSERT_EQUALS(expected, sizeof_(code));
}
void simplifyTypedef49() // ticket #1691
{
const char code[] = "class Class2 {\n"
"typedef const Class & Const_Reference;\n"
"void some_method (Const_Reference x) const {}\n"
"void another_method (Const_Reference x) const {}\n"
"}";
// The expected result..
const std::string expected("class Class2 { "
"; "
"void some_method ( const Class & x ) const { } "
"void another_method ( const Class & x ) const { } "
"}");
ASSERT_EQUALS(expected, sizeof_(code));
}
void simplifyTypedef50()
{
const char code[] = "typedef char (* type1)[10];\n"
"typedef char (& type2)[10];\n"
"typedef char (& type3)[x];\n"
"typedef char (& type4)[x + 2];\n"
"type1 t1;\n"
"type1 (*tp1)[2];\n"
"type2 t2;\n"
"type3 t3;\n"
"type4 t4;";
// The expected result..
const std::string expected("; "
"char ( * t1 ) [ 10 ] ; "
"char ( * ( * tp1 ) [ 2 ] ) [ 10 ] ; "
"char ( & t2 ) [ 10 ] ; "
"char ( & t3 ) [ x ] ; "
"char ( & t4 ) [ x + 2 ] ;");
ASSERT_EQUALS(expected, sizeof_(code));
}
void simplifyTypedef51()
{
const char code[] = "class A { public: int i; };\n"
"typedef const char (A :: * type1);\n"
"type1 t1 = &A::i;";
// The expected result..
const std::string expected("class A { public: int i ; } ; "
"const char ( A :: * t1 ) = & A :: i ;");
ASSERT_EQUALS(expected, sizeof_(code));
}
void simplifyTypedef52() // ticket #1782
{
{
const char code[] = "typedef char (* type1)[10];\n"
"type1 foo() { }";
// The expected result..
const std::string expected("; "
"char ( * foo ( ) ) [ 10 ] { }");
ASSERT_EQUALS(expected, sizeof_(code));
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "typedef char (* type1)[10];\n"
"LOCAL(type1) foo() { }";
// this is invalid C so just make sure it doesn't generate an internal error
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
}
void simplifyTypedef53() // ticket #1801
{
{
const char code[] = "typedef int ( * int ( * ) ( ) ) ( ) ;";
// this is invalid C so just make sure it doesn't crash
checkSimplifyTypedef(code);
ASSERT_EQUALS("[test.cpp:1]: (debug) Failed to parse 'typedef int ( * int ( * ) ( ) ) ( ) ;'. The checking continues anyway.\n", errout.str());
}
{
const char code[] = "typedef int (*PPDMarkOption)(ppd_file_t *ppd, const char *keyword, const char *option);\n"
"typedef int (*PPDMarkOption)(ppd_file_t *ppd, const char *keyword, const char *option);\n";
checkSimplifyTypedef(code);
ASSERT_EQUALS("[test.cpp:2] -> [test.cpp:1]: (style) Typedef 'PPDMarkOption' hides typedef with same name\n", errout.str());
}
{
const char code[] = "typedef int * A;\n"
"typedef int * A;\n";
checkSimplifyTypedef(code);
ASSERT_EQUALS("[test.cpp:2] -> [test.cpp:1]: (style) Typedef 'A' hides typedef with same name\n", errout.str());
}
}
void simplifyTypedef54() // ticket #1814
{
const char code[] = "void foo()\n"
"{\n"
" typedef std::basic_string<char, traits_type, allocator_type> string_type;\n"
" try\n"
" {\n"
" throw string_type(\"leak\");\n"
" }\n"
" catch (const string_type&)\n"
" {\n"
" pthread_exit (0);\n"
" }\n"
"}";
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef55()
{
const char code[] = "typedef volatile unsigned long * const hwreg_t ;\n"
"typedef void *const t1[2];\n"
"typedef int*const *_Iterator;\n"
"hwreg_t v1;\n"
"t1 v2;\n"
"_Iterator v3;\n";
// The expected result..
const std::string expected("; "
"long * v1 ; "
"void * v2 [ 2 ] ; "
"int * * v3 ;");
ASSERT_EQUALS(expected, sizeof_(code));
// Check for output..
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef56() // ticket #1829
{
const char code[] = "struct C {\n"
" typedef void (*fptr)();\n"
" const fptr pr;\n"
" operator const fptr& () { return pr; }\n"
"};\n";
// The expected result..
const std::string expected("struct C { "
"; "
"const void * pr ; " // this gets simplified to a regular pointer
"operatorconstvoid(*)()& ( ) { return pr ; } "
"} ;");
ASSERT_EQUALS(expected, sizeof_(code));
// Check for output..
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef57() // ticket #1846
{
const char code[] = "void foo {\n"
" typedef int A;\n"
" A a = A(1) * A(2);\n"
"};\n";
// The expected result..
const std::string expected("void foo { "
"; "
"int a ; a = int ( 1 ) * int ( 2 ) ; "
"} ;");
ASSERT_EQUALS(expected, sizeof_(code));
// Check for output..
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef58() // ticket #1963
{
{
const char code[] = "typedef int vec2_t[2];\n"
"vec2_t coords[4] = {1,2,3,4,5,6,7,8};\n";
// The expected result..
const std::string expected("; "
"int coords [ 4 ] [ 2 ] = { 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 } ;");
ASSERT_EQUALS(expected, sizeof_(code));
// Check for output..
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "typedef int vec2_t[2];\n"
"vec2_t coords[4][5][6+1] = {1,2,3,4,5,6,7,8};\n";
// The expected result..
const std::string expected("; "
"int coords [ 4 ] [ 5 ] [ 7 ] [ 2 ] = { 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 } ;");
ASSERT_EQUALS(expected, sizeof_(code));
// Check for output..
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
}
void simplifyTypedef59() // ticket #2011
{
const char code[] = "template<typename DISPATCHER> class SomeTemplateClass {\n"
" typedef void (SomeTemplateClass<DISPATCHER>::*MessageDispatcherFunc)(SerialInputMessage&);\n"
"};\n";
// The expected result..
const std::string expected(";");
ASSERT_EQUALS(expected, sizeof_(code));
// Check for output..
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef60() // ticket #2035
{
const char code[] = "typedef enum {qfalse, qtrue} qboolean;\n"
"typedef qboolean (*localEntitiyAddFunc_t) (struct le_s * le, entity_t * ent);\n"
"void f()\n"
"{\n"
" qboolean b;\n"
" localEntitiyAddFunc_t f;\n"
"}\n";
// The expected result..
const std::string expected("; void f ( ) { int b ; int * f ; }");
ASSERT_EQUALS(expected, sizeof_(code, false));
// Check for output..
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef61() // ticket #2074 and 2075
{
const char code1[] = "typedef unsigned char (*Mf_GetIndexByte_Func) (void);\n"
"typedef const unsigned char * (*Mf_GetPointerToCurrentPos_Func)(void);\n";
// Check for output..
checkSimplifyTypedef(code1);
ASSERT_EQUALS("", errout.str());
const char code2[] = "typedef unsigned long uint32_t;\n"
"typedef uint32_t (*write_type_t) (uint32_t);\n";
// Check for output..
checkSimplifyTypedef(code2);
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef62() // ticket #2082
{
const char code1[] = "typedef char TString[256];\n"
"void f()\n"
"{\n"
" TString a, b;\n"
"}";
// The expected tokens..
const std::string expected1("; void f ( ) { char a [ 256 ] ; char b [ 256 ] ; }");
ASSERT_EQUALS(expected1, sizeof_(code1, false));
// Check for output..
checkSimplifyTypedef(code1);
ASSERT_EQUALS("", errout.str());
const char code2[] = "typedef char TString[256];\n"
"void f()\n"
"{\n"
" TString a = { 0 }, b = { 0 };\n"
"}";
// The expected tokens..
const std::string expected2("; void f ( ) { char a [ 256 ] = { 0 } ; char b [ 256 ] = { 0 } ; }");
ASSERT_EQUALS(expected2, tok(code2, false));
// Check for output..
checkSimplifyTypedef(code2);
ASSERT_EQUALS("", errout.str());
const char code3[] = "typedef char TString[256];\n"
"void f()\n"
"{\n"
" TString a = \"\", b = \"\";\n"
"}";
// The expected tokens..
const std::string expected3("; void f ( ) { char a [ 256 ] = \"\" ; char b [ 256 ] = \"\" ; }");
ASSERT_EQUALS(expected3, tok(code3, false));
// Check for output..
checkSimplifyTypedef(code3);
ASSERT_EQUALS("", errout.str());
const char code4[] = "typedef char TString[256];\n"
"void f()\n"
"{\n"
" TString a = \"1234\", b = \"5678\";\n"
"}";
// The expected tokens..
const std::string expected4("; void f ( ) { char a [ 256 ] = \"1234\" ; char b [ 256 ] = \"5678\" ; }");
ASSERT_EQUALS(expected4, tok(code4, false));
// Check for output..
checkSimplifyTypedef(code4);
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef63() // ticket #2175 'typedef float x[3];'
{
const char code[] = "typedef float x[3];\n"
"x a,b,c;\n";
const std::string actual(sizeof_(code));
ASSERT_EQUALS("; float a [ 3 ] ; float b [ 3 ] ; float c [ 3 ] ;", actual);
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef64()
{
const char code[] = "typedef __typeof__(__type1() + __type2()) __type;"
"__type t;\n";
const std::string actual(sizeof_(code));
ASSERT_EQUALS("; __typeof__ ( __type1 ( ) + __type2 ( ) ) t ;", actual);
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef65() // ticket #2314
{
const char code[] = "typedef BAR<int> Foo; \n"
"int main() { \n"
" Foo b(0); \n"
" return b > Foo(10); \n"
"}";
const std::string actual(sizeof_(code));
ASSERT_EQUALS("; int main ( ) { BAR < int > b ( 0 ) ; return b > BAR < int > ( 10 ) ; }", actual);
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef66() // ticket #2341
{
const char code[] = "typedef long* GEN;\n"
"extern GEN (*foo)(long);";
const std::string actual(sizeof_(code));
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef67() // ticket #2354
{
const char code[] = "typedef int ( * Function ) ( ) ;\n"
"void f ( ) {\n"
" ((Function * (*) (char *, char *, int, int)) global[6]) ( \"assoc\", \"eggdrop\", 106, 0);\n"
"}\n";
const std::string expected = "; "
"void f ( ) { "
"( ( int ( * * ( * ) ( char * , char * , int , int ) ) ( ) ) global [ 6 ] ) ( \"assoc\" , \"eggdrop\" , 106 , 0 ) ; "
"}";
ASSERT_EQUALS(expected, sizeof_(code));
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef68() // ticket #2355
{
const char code[] = "typedef FMAC1 void (* a) ();\n"
"void *(*b) ();\n";
const std::string actual(sizeof_(code));
ASSERT_EQUALS("; void * * b ;", actual);
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef69() // ticket #2348
{
const char code[] = "typedef int (*CompilerHook)();\n"
"typedef struct VirtualMachine \n"
"{\n"
" CompilerHook *(*compilerHookVector)(void);\n"
"}VirtualMachine;\n";
const std::string expected = "; "
"struct VirtualMachine "
"{ "
"int ( * * ( * compilerHookVector ) ( void ) ) ( ) ; "
"} ;";
ASSERT_EQUALS(expected, sizeof_(code));
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef70() // ticket #2348
{
const char code[] = "typedef int pread_f ( int ) ;\n"
"pread_f *(*test_func)(char *filename);\n";
const std::string expected = "; "
"int ( * ( * test_func ) ( char * filename ) ) ( int ) ;";
ASSERT_EQUALS(expected, sizeof_(code));
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef71() // ticket #2348
{
{
const char code[] = "typedef int RexxFunctionHandler();\n"
"RexxFunctionHandler *(efuncs[1]);\n";
const std::string expected = "; "
"int ( * ( efuncs [ 1 ] ) ) ( ) ;";
ASSERT_EQUALS(expected, sizeof_(code));
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "typedef int RexxFunctionHandler();\n"
"RexxFunctionHandler *(efuncs[]) = { NULL, NULL };\n";
const std::string expected = "; "
"int ( * ( efuncs [ ] ) ) ( ) = { 0 , 0 } ;";
ASSERT_EQUALS(expected, sizeof_(code));
ASSERT_EQUALS("", errout.str());
}
}
void simplifyTypedef72() // ticket #2374
{
// inline operator
{
const char code[] = "class Fred {\n"
" typedef int* (Fred::*F);\n"
" operator F() const { }\n"
"};\n";
const std::string expected = "class Fred { "
"; "
"operatorint** ( ) const { } "
"} ;";
ASSERT_EQUALS(expected, sizeof_(code));
ASSERT_EQUALS("", errout.str());
}
// inline local variable
{
const char code[] = "class Fred {\n"
" typedef int INT;\n"
" void f1() const { INT i; }\n"
"};\n";
const std::string expected = "class Fred { "
"; "
"void f1 ( ) const { int i ; } "
"} ;";
ASSERT_EQUALS(expected, sizeof_(code));
ASSERT_EQUALS("", errout.str());
}
// out of line member variable
{
const char code[] = "class Fred {\n"
" typedef int INT;\n"
" void f1() const;\n"
"};\n"
"void Fred::f1() const { INT i; f(i); }\n";
const std::string expected = "class Fred { "
"; "
"void f1 ( ) const ; "
"} ; "
"void Fred :: f1 ( ) const { int i ; f ( i ) ; }";
ASSERT_EQUALS(expected, sizeof_(code));
ASSERT_EQUALS("", errout.str());
}
// out of line operator
{
const char code[] = "class Fred {\n"
" typedef int* (Fred::*F);\n"
" operator F() const;\n"
"};\n"
"Fred::operator F() const { }\n";
const std::string expected = "class Fred { "
"; "
"operatorint** ( ) const ; "
"} ; "
"Fred :: operatorint** ( ) const { }";
ASSERT_EQUALS(expected, sizeof_(code));
ASSERT_EQUALS("", errout.str());
}
}
void simplifyTypedef73() // ticket #2412
{
const char code[] = "struct B {};\n"
"typedef struct A : public B {\n"
" void f();\n"
"} a, *aPtr;\n";
const std::string expected = "struct B { } ; "
"struct A : public B { "
"void f ( ) ; "
"} ;";
ASSERT_EQUALS(expected, sizeof_(code));
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef74() // ticket #2414
{
const char code[] = "typedef long (*state_func_t)(void);\n"
"typedef state_func_t (*state_t)(void);\n"
"state_t current_state = death;\n"
"static char get_runlevel(const state_t);\n";
const std::string expected = "; "
"long ( * ( * current_state ) ( void ) ) ( void ) = death ; "
"static char get_runlevel ( const long ( * ( * ) ( void ) ) ( void ) ) ;";
ASSERT_EQUALS(expected, sizeof_(code));
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef75() // ticket #2426
{
const char code[] = "typedef _Packed struct S { long l; }; \n";
const std::string expected = ";";
ASSERT_EQUALS(expected, sizeof_(code));
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef76() // ticket #2453 segmentation fault
{
const char code[] = "void f1(typedef int x) {}\n";
const std::string expected = "void f1 ( typedef int x ) { }";
ASSERT_EQUALS(expected, sizeof_(code));
ASSERT_EQUALS("[test.cpp:1]: (error) syntax error\n", errout.str());
}
void simplifyTypedef77() // ticket #2554
{
const char code[] = "typedef char Str[10]; int x = sizeof(Str);\n";
const std::string expected = "; int x ; x = 10 ;";
ASSERT_EQUALS(expected, sizeof_(code));
}
void simplifyTypedef78() // ticket #2568
{
const char code[] = "typedef struct A A_t;\n"
"A_t a;\n"
"typedef struct A { } A_t;\n"
"A_t a1;\n";
const std::string expected = "; struct A a ; struct A { } ; struct A a1 ;";
ASSERT_EQUALS(expected, sizeof_(code));
}
void simplifyTypedef79() // ticket #2348
{
const char code[] = "typedef int (Tcl_ObjCmdProc) (int x);\n"
"typedef struct LangVtab\n"
"{\n"
" Tcl_ObjCmdProc * (*V_LangOptionCommand);\n"
"} LangVtab;\n";
const std::string expected = "; "
"struct LangVtab "
"{ "
"int ( * ( * V_LangOptionCommand ) ) ( int x ) ; "
"} ;";
ASSERT_EQUALS(expected, sizeof_(code));
}
void simplifyTypedef80() // ticket #2587
{
const char code[] = "typedef struct s { };\n"
"void f() {\n"
" sizeof(struct s);\n"
"};\n";
const std::string expected = "struct s { } ; "
"void f ( ) { "
"sizeof ( struct s ) ; "
"} ;";
ASSERT_EQUALS(expected, sizeof_(code));
// Check for output..
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef81() // ticket #2603 segmentation fault
{
checkSimplifyTypedef("typedef\n");
ASSERT_EQUALS("[test.cpp:1]: (error) syntax error\n", errout.str());
checkSimplifyTypedef("typedef constexpr\n");
ASSERT_EQUALS("[test.cpp:1]: (error) syntax error\n", errout.str());
}
void simplifyTypedef82() // ticket #2403
{
checkSimplifyTypedef("class A {\n"
"public:\n"
" typedef int F(int idx);\n"
"};\n"
"class B {\n"
"public:\n"
" A::F ** f;\n"
"};\n"
"int main()\n"
"{\n"
" B * b = new B;\n"
" b->f = new A::F * [ 10 ];\n"
"}\n");
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef83() // ticket #2620
{
const char code[] = "typedef char Str[10];\n"
"void f(Str &cl) { }\n";
// The expected result..
const std::string expected("; "
"void f ( char ( & cl ) [ 10 ] ) { }");
ASSERT_EQUALS(expected, sizeof_(code));
}
void simplifyTypedef84() // ticket #2630 (segmentation fault)
{
const char code1[] = "typedef y x () x\n";
checkSimplifyTypedef(code1);
ASSERT_EQUALS("[test.cpp:1]: (error) syntax error\n", errout.str());
const char code2[] = "typedef struct template <>\n";
checkSimplifyTypedef(code2);
ASSERT_EQUALS("[test.cpp:1]: (error) syntax error\n", errout.str());
const char code3[] = "typedef ::<>\n";
checkSimplifyTypedef(code3);
ASSERT_EQUALS("[test.cpp:1]: (error) syntax error\n", errout.str());
}
void simplifyTypedef85() // ticket #2651
{
const char code[] = "typedef FOO ((BAR)(void, int, const int, int*));\n";
const char expected[] = ";";
checkSimplifyTypedef(code);
ASSERT_EQUALS(expected, sizeof_(code));
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef86() // ticket #2581
{
const char code[] = "class relational {\n"
" typedef void (safe_bool_helper::*safe_bool)();\n"
"public:\n"
" operator safe_bool() const;\n"
" safe_bool operator!() const;\n"
"};\n";
const char expected[] = "class relational { "
"; "
"public: "
"operatorsafe_bool ( ) const ; "
"safe_bool operator! ( ) const ; "
"} ;";
checkSimplifyTypedef(code);
ASSERT_EQUALS(expected, sizeof_(code));
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef87() // ticket #2651
{
const char code[] = "typedef FOO (*(*BAR)(void, int, const int, int*));\n";
const char expected[] = ";";
checkSimplifyTypedef(code);
ASSERT_EQUALS(expected, sizeof_(code));
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef88() // ticket #2675
{
const char code[] = "typedef short int (*x)(...);\n";
const char expected[] = ";";
checkSimplifyTypedef(code);
ASSERT_EQUALS(expected, sizeof_(code));
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef89() // ticket #2717
{
const char code[] = "class Fred {\n"
" typedef void f(int) const;\n"
" f func;\n"
"};\n";
const char expected[] = "class Fred { ; void func ( int ) const ; } ;";
checkSimplifyTypedef(code);
ASSERT_EQUALS(expected, sizeof_(code));
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef90() // ticket #2718
{
const char code[] = "typedef int IA[2];\n"
"void f(const IA&) {};\n";
const char expected[] = "; void f ( const int ( & ) [ 2 ] ) { } ;";
checkSimplifyTypedef(code);
ASSERT_EQUALS(expected, sizeof_(code));
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef91() // ticket #2716
{
const char code1[] = "namespace NS {\n"
" typedef int (*T)();\n"
" class A {\n"
" T f();\n"
" };\n"
"}\n"
"namespace NS {\n"
" T A::f() {}\n"
"}\n";
const char expected1[] = "namespace NS { "
"; "
"class A { "
"int ( * f ( ) ) ( ) ; "
"} ; "
"} "
"namespace NS { "
"int ( * A :: f ( ) ) ( ) { } "
"}";
checkSimplifyTypedef(code1);
ASSERT_EQUALS(expected1, sizeof_(code1));
ASSERT_EQUALS("", errout.str());
const char code2[] = "namespace NS {\n"
" typedef int (*T)();\n"
" class A {\n"
" T f();\n"
" };\n"
"}\n"
"NS::T NS::A::f() {}\n";
const char expected2[] = "namespace NS { "
"; "
"class A { "
"int ( * f ( ) ) ( ) ; "
"} ; "
"} "
"int ( * NS :: A :: f ( ) ) ( ) { }";
checkSimplifyTypedef(code2);
ASSERT_EQUALS(expected2, sizeof_(code2));
ASSERT_EQUALS("", errout.str());
const char code3[] = "namespace NS1 {\n"
" namespace NS2 {\n"
" typedef int (*T)();\n"
" class A {\n"
" T f();\n"
" };\n"
" }\n"
"}\n"
"namespace NS1 {\n"
" namespace NS2 {\n"
" T A::f() {}\n"
" }\n"
"}\n";
const char expected3[] = "namespace NS1 { "
"namespace NS2 { "
"; "
"class A { "
"int ( * f ( ) ) ( ) ; "
"} ; "
"} "
"} "
"namespace NS1 { "
"namespace NS2 { "
"int ( * A :: f ( ) ) ( ) { } "
"} "
"}";
checkSimplifyTypedef(code3);
ASSERT_EQUALS(expected3, sizeof_(code3));
ASSERT_EQUALS("", errout.str());
const char code4[] = "namespace NS1 {\n"
" namespace NS2 {\n"
" typedef int (*T)();\n"
" class A {\n"
" T f();\n"
" };\n"
" }\n"
"}\n"
"namespace NS1 {\n"
" NS2::T NS2::A::f() {}\n"
"}\n";
const char expected4[] = "namespace NS1 { "
"namespace NS2 { "
"; "
"class A { "
"int ( * f ( ) ) ( ) ; "
"} ; "
"} "
"} "
"namespace NS1 { "
"int ( * NS2 :: A :: f ( ) ) ( ) { } "
"}";
checkSimplifyTypedef(code4);
ASSERT_EQUALS(expected4, sizeof_(code4));
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef92() // ticket #2736 (segmentation fault)
{
const char code[] = "typedef long Long;\n"
"namespace NS {\n"
"}\n";
const char expected[] = "; "
"namespace NS { "
"}";
checkSimplifyTypedef(code);
ASSERT_EQUALS(expected, sizeof_(code));
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef93() // ticket #2738 (syntax error)
{
const char code[] = "struct s { double x; };\n"
"typedef struct s (*binop) (struct s, struct s);\n";
const char expected[] = "struct s { double x ; } ;";
checkSimplifyTypedef(code);
ASSERT_EQUALS(expected, sizeof_(code));
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef94() // ticket #1982
{
const char code1[] = "class A {\n"
"public:\n"
" typedef struct {\n"
" int a[4];\n"
" } data;\n"
"};\n"
"A::data d;\n";
const char expected1[] = "class A { "
"public: "
"struct data { "
"int a [ 4 ] ; "
"} ; "
"} ; "
"struct A :: data d ;";
checkSimplifyTypedef(code1);
ASSERT_EQUALS(expected1, sizeof_(code1));
TODO_ASSERT_EQUALS("[test.cpp:7]: (debug) Scope::checkVariable found variable 'd' with varid 0.\n", "", errout.str());
const char code2[] = "class A {\n"
"public:\n"
" typedef struct {\n"
" int a[4];\n"
" } data;\n"
"};\n"
"::A::data d;\n";
const char expected2[] = "class A { "
"public: "
"struct data { "
"int a [ 4 ] ; "
"} ; "
"} ; "
"struct :: A :: data d ;";
checkSimplifyTypedef(code2);
ASSERT_EQUALS(expected2, sizeof_(code2));
TODO_ASSERT_EQUALS("[test.cpp:7]: (debug) Scope::checkVariable found variable 'd' with varid 0.\n", "", errout.str());
const char code3[] = "class A {\n"
"public:\n"
" typedef struct {\n"
" int a[4];\n"
" } data;\n"
"};\n"
"class B : public ::A::data { };\n";
const char expected3[] = "class A { "
"public: "
"struct data { "
"int a [ 4 ] ; "
"} ; "
"} ; "
"class B : public :: A :: data { } ;";
checkSimplifyTypedef(code3);
ASSERT_EQUALS(expected3, sizeof_(code3));
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef95() // ticket #2844
{
const char code[] = "class symbol_table {\n"
"public:\n"
" typedef expression_error::error_code (*valid_func)(void *cbparam, const char *name, expression_space space);\n"
" valid_func f;\n"
"};\n";
const char expected[] = "class symbol_table { "
"public: "
"; "
"expression_error :: error_code ( * f ) ( void * cbparam , const char * name , expression_space space ) ; "
"} ;";
checkSimplifyTypedef(code);
ASSERT_EQUALS(expected, sizeof_(code));
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef96() // ticket #2886 (segmentation fault)
{
const char code[] = "typedef struct x { }\n";
sizeof_(code);
ASSERT_EQUALS("[test.cpp:1]: (error) syntax error\n", errout.str());
}
void simplifyTypedef97() // ticket #2983 (segmentation fault)
{
const char code[] = "typedef x y\n"
"(A); y\n";
sizeof_(code);
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef98() // ticket #2963
{
const char code[] = "#define X type ## __LINE__\n"
"typedef int X;\n"
"typedef int X;\n";
sizeof_(code);
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef99() // ticket #2999
{
const char code[] = "typedef struct Fred Fred;\n"
"struct Fred { };\n";
sizeof_(code);
ASSERT_EQUALS("", errout.str());
const char code1[] = "struct Fred { };\n"
"typedef struct Fred Fred;\n";
sizeof_(code1);
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef100() // ticket #3000
{
const char code[] = "typedef struct Fred { } Fred;\n"
"Fred * foo() {\n"
" Fred *fred;\n"
" fred = se_alloc(sizeof(struct Fred));\n"
" return fred;\n"
"}\n";
sizeof_(code);
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef101() // ticket #3003 (segmentation fault)
{
const char code[] = "typedef a x[];\n"
"y = x\n";
sizeof_(code);
ASSERT_EQUALS("[test.cpp:2]: (error) syntax error\n", errout.str());
}
void simplifyTypedef102() // ticket #3004
{
const char code[] = "typedef struct { } Fred;\n"
"void foo()\n"
"{\n"
" Fred * Fred;\n"
"}\n";
sizeof_(code);
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef103() // ticket #3007
{
const char code[] = "typedef struct { } Fred;\n"
"void foo()\n"
"{\n"
" Fred Fred;\n"
"}\n";
sizeof_(code);
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedef104() // ticket #3070
{
const char code[] = "typedef int (*in_func) (void FAR *, unsigned char FAR * FAR *);\n";
ASSERT_EQUALS(";", sizeof_(code));
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedefFunction1()
{
{
const char code[] = "typedef void (*my_func)();\n"
"std::queue<my_func> func_queue;";
// The expected result..
const std::string expected("; "
"std :: queue < void ( * ) ( ) > func_queue ;");
ASSERT_EQUALS(expected, sizeof_(code));
// Check for output..
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "typedef void (*my_func)(void);\n"
"std::queue<my_func> func_queue;";
// The expected result..
const std::string expected("; "
"std :: queue < void ( * ) ( void ) > func_queue ;");
ASSERT_EQUALS(expected, sizeof_(code));
// Check for output..
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "typedef void (*my_func)(int);\n"
"std::queue<my_func> func_queue;";
// The expected result..
const std::string expected("; "
"std :: queue < void ( * ) ( int ) > func_queue ;");
ASSERT_EQUALS(expected, sizeof_(code));
// Check for output..
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "typedef void (*my_func)(int*);\n"
"std::queue<my_func> func_queue;";
// The expected result..
const std::string expected("; "
"std :: queue < void ( * ) ( int * ) > func_queue ;");
ASSERT_EQUALS(expected, sizeof_(code));
// Check for output..
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
{
// ticket # 1615
const char code[] = "typedef void (*my_func)(arg_class*);\n"
"std::queue<my_func> func_queue;";
// The expected result..
const std::string expected("; "
"std :: queue < void ( * ) ( arg_class * ) > func_queue ;");
ASSERT_EQUALS(expected, sizeof_(code));
// Check for output..
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "typedef void (my_func)();\n"
"std::queue<my_func *> func_queue;";
// The expected result..
const std::string expected("; "
"std :: queue < void ( * ) ( ) > func_queue ;");
ASSERT_EQUALS(expected, sizeof_(code));
// Check for output..
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "typedef void (my_func)(void);\n"
"std::queue<my_func *> func_queue;";
// The expected result..
const std::string expected("; "
"std :: queue < void ( * ) ( void ) > func_queue ;");
ASSERT_EQUALS(expected, sizeof_(code));
// Check for output..
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "typedef void (my_func)(int);\n"
"std::queue<my_func *> func_queue;";
// The expected result..
const std::string expected("; "
"std :: queue < void ( * ) ( int ) > func_queue ;");
ASSERT_EQUALS(expected, sizeof_(code));
// Check for output..
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "typedef void (my_func)(int*);\n"
"std::queue<my_func *> func_queue;";
// The expected result..
const std::string expected("; "
"std :: queue < void ( * ) ( int * ) > func_queue ;");
ASSERT_EQUALS(expected, sizeof_(code));
// Check for output..
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "typedef void (my_func)(arg_class*);\n"
"std::queue<my_func *> func_queue;";
// The expected result..
const std::string expected("; "
"std :: queue < void ( * ) ( arg_class * ) > func_queue ;");
ASSERT_EQUALS(expected, sizeof_(code));
// Check for output..
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "typedef void my_func();\n"
"std::queue<my_func *> func_queue;";
// The expected result..
const std::string expected("; "
"std :: queue < void ( * ) ( ) > func_queue ;");
ASSERT_EQUALS(expected, sizeof_(code));
// Check for output..
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "typedef void my_func(void);\n"
"std::queue<my_func *> func_queue;";
// The expected result..
const std::string expected("; "
"std :: queue < void ( * ) ( void ) > func_queue ;");
ASSERT_EQUALS(expected, sizeof_(code));
// Check for output..
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "typedef void my_func(int);\n"
"std::queue<my_func *> func_queue;";
// The expected result..
const std::string expected("; "
"std :: queue < void ( * ) ( int ) > func_queue ;");
ASSERT_EQUALS(expected, sizeof_(code));
// Check for output..
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "typedef void my_func(int*);\n"
"std::queue<my_func *> func_queue;";
// The expected result..
const std::string expected("; "
"std :: queue < void ( * ) ( int * ) > func_queue ;");
ASSERT_EQUALS(expected, sizeof_(code));
// Check for output..
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "typedef void my_func(arg_class*);\n"
"std::queue<my_func *> func_queue;";
// The expected result..
const std::string expected("; "
"std :: queue < void ( * ) ( arg_class * ) > func_queue ;");
ASSERT_EQUALS(expected, sizeof_(code));
// Check for output..
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "typedef void (my_func());\n"
"std::queue<my_func *> func_queue;";
// The expected result..
const std::string expected("; "
"std :: queue < void ( * ) ( ) > func_queue ;");
ASSERT_EQUALS(expected, sizeof_(code));
// Check for output..
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "typedef void (my_func(void));\n"
"std::queue<my_func *> func_queue;";
// The expected result..
const std::string expected("; "
"std :: queue < void ( * ) ( void ) > func_queue ;");
ASSERT_EQUALS(expected, sizeof_(code));
// Check for output..
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "typedef void (my_func(int));\n"
"std::queue<my_func *> func_queue;";
// The expected result..
const std::string expected("; "
"std :: queue < void ( * ) ( int ) > func_queue ;");
ASSERT_EQUALS(expected, sizeof_(code));
// Check for output..
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "typedef void (my_func(int*));\n"
"std::queue<my_func *> func_queue;";
// The expected result..
const std::string expected("; "
"std :: queue < void ( * ) ( int * ) > func_queue ;");
ASSERT_EQUALS(expected, sizeof_(code));
// Check for output..
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "typedef void (my_func(arg_class*));\n"
"std::queue<my_func *> func_queue;";
// The expected result..
const std::string expected("; "
"std :: queue < void ( * ) ( arg_class * ) > func_queue ;");
ASSERT_EQUALS(expected, sizeof_(code));
// Check for output..
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
}
void simplifyTypedefFunction2() // ticket #1685
{
const char code[] = "typedef void voidfn (int);\n"
"voidfn xxx;";
// The expected result..
const std::string expected("; "
"void xxx ( int ) ;");
ASSERT_EQUALS(expected, sizeof_(code));
}
void simplifyTypedefFunction3()
{
{
const char code[] = "typedef C func1();\n"
"typedef C (* func2)();\n"
"typedef C (& func3)();\n"
"typedef C (C::* func4)();\n"
"typedef C (C::* func5)() const;\n"
"typedef C (C::* func6)() volatile;\n"
"typedef C (C::* func7)() const volatile;\n"
"func1 f1;\n"
"func2 f2;\n"
"func3 f3;\n"
"func4 f4;\n"
"func5 f5;\n"
"func6 f6;\n"
"func7 f7;";
// The expected result..
const std::string expected("; "
"C f1 ( ) ; "
"C * f2 ; " // this gets simplified to a regular pointer
"C ( & f3 ) ( ) ; "
"C ( C :: * f4 ) ( ) ; "
"C ( C :: * f5 ) ( ) const ; "
"C ( C :: * f6 ) ( ) ; " // volatile is removed
"C ( C :: * f7 ) ( ) const ;"); // volatile is removed
ASSERT_EQUALS(expected, sizeof_(code));
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "typedef C const func1();\n"
"typedef C const (* func2)();\n"
"typedef C const (& func3)();\n"
"typedef C const (C::* func4)();\n"
"typedef C const (C::* func5)() const;\n"
"typedef C const (C::* func6)() volatile;\n"
"typedef C const (C::* func7)() const volatile;\n"
"func1 f1;\n"
"func2 f2;\n"
"func3 f3;\n"
"func4 f4;\n"
"func5 f5;\n"
"func6 f6;\n"
"func7 f7;";
// The expected result..
// C const -> const C
const std::string expected("; "
"const C f1 ( ) ; "
"const C * f2 ; " // this gets simplified to a regular pointer
"const C ( & f3 ) ( ) ; "
"const C ( C :: * f4 ) ( ) ; "
"const C ( C :: * f5 ) ( ) const ; "
"const C ( C :: * f6 ) ( ) ; " // volatile is removed
"const C ( C :: * f7 ) ( ) const ;"); // volatile is removed
ASSERT_EQUALS(expected, sizeof_(code));
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "typedef const C func1();\n"
"typedef const C (* func2)();\n"
"typedef const C (& func3)();\n"
"typedef const C (C::* func4)();\n"
"typedef const C (C::* func5)() const;\n"
"typedef const C (C::* func6)() volatile;\n"
"typedef const C (C::* func7)() const volatile;\n"
"func1 f1;\n"
"func2 f2;\n"
"func3 f3;\n"
"func4 f4;\n"
"func5 f5;\n"
"func6 f6;\n"
"func7 f7;";
// The expected result..
const std::string expected("; "
"const C f1 ( ) ; "
"const C * f2 ; " // this gets simplified to a regular pointer
"const C ( & f3 ) ( ) ; "
"const C ( C :: * f4 ) ( ) ; "
"const C ( C :: * f5 ) ( ) const ; "
"const C ( C :: * f6 ) ( ) ; " // volatile is removed
"const C ( C :: * f7 ) ( ) const ;"); // volatile is removed
ASSERT_EQUALS(expected, sizeof_(code));
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "typedef C * func1();\n"
"typedef C * (* func2)();\n"
"typedef C * (& func3)();\n"
"typedef C * (C::* func4)();\n"
"typedef C * (C::* func5)() const;\n"
"typedef C * (C::* func6)() volatile;\n"
"typedef C * (C::* func7)() const volatile;\n"
"func1 f1;\n"
"func2 f2;\n"
"func3 f3;\n"
"func4 f4;\n"
"func5 f5;\n"
"func6 f6;\n"
"func7 f7;";
// The expected result..
const std::string expected("; "
"C * f1 ( ) ; "
"C * * f2 ; " // this gets simplified to a regular pointer
"C * ( & f3 ) ( ) ; "
"C * ( C :: * f4 ) ( ) ; "
"C * ( C :: * f5 ) ( ) const ; "
"C * ( C :: * f6 ) ( ) ; " // volatile is removed
"C * ( C :: * f7 ) ( ) const ;"); // volatile is removed
ASSERT_EQUALS(expected, sizeof_(code));
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "typedef const C * func1();\n"
"typedef const C * (* func2)();\n"
"typedef const C * (& func3)();\n"
"typedef const C * (C::* func4)();\n"
"typedef const C * (C::* func5)() const;\n"
"typedef const C * (C::* func6)() volatile;\n"
"typedef const C * (C::* func7)() const volatile;\n"
"func1 f1;\n"
"func2 f2;\n"
"func3 f3;\n"
"func4 f4;\n"
"func5 f5;\n"
"func6 f6;\n"
"func7 f7;";
// The expected result..
const std::string expected("; "
"const C * f1 ( ) ; "
"const C * * f2 ; " // this gets simplified to a regular pointer
"const C * ( & f3 ) ( ) ; "
"const C * ( C :: * f4 ) ( ) ; "
"const C * ( C :: * f5 ) ( ) const ; "
"const C * ( C :: * f6 ) ( ) ; " // volatile is removed
"const C * ( C :: * f7 ) ( ) const ;"); // volatile is removed
ASSERT_EQUALS(expected, sizeof_(code));
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "typedef C const * func1();\n"
"typedef C const * (* func2)();\n"
"typedef C const * (& func3)();\n"
"typedef C const * (C::* func4)();\n"
"typedef C const * (C::* func5)() const;\n"
"typedef C const * (C::* func6)() volatile;\n"
"typedef C const * (C::* func7)() const volatile;\n"
"func1 f1;\n"
"func2 f2;\n"
"func3 f3;\n"
"func4 f4;\n"
"func5 f5;\n"
"func6 f6;\n"
"func7 f7;";
// The expected result..
// C const -> const C
const std::string expected("; "
"const C * f1 ( ) ; "
"const C * * f2 ; " // this gets simplified to a regular pointer
"const C * ( & f3 ) ( ) ; "
"const C * ( C :: * f4 ) ( ) ; "
"const C * ( C :: * f5 ) ( ) const ; "
"const C * ( C :: * f6 ) ( ) ; " // volatile is removed
"const C * ( C :: * f7 ) ( ) const ;"); // volatile is removed
ASSERT_EQUALS(expected, sizeof_(code));
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
}
void simplifyTypedefFunction4()
{
const char code[] = "typedef int ( * ( * type1 ) ( bool ) ) ( int , int ) ;\n"
"typedef int ( * ( type2 ) ( bool ) ) ( int , int ) ;\n"
"typedef int ( * type3 ( bool ) ) ( int , int ) ;\n"
"type1 t1;\n"
"type2 t2;\n"
"type3 t3;";
// The expected result..
const std::string expected("; "
"int ( * ( * t1 ) ( bool ) ) ( int , int ) ; "
"int ( * t2 ( bool ) ) ( int , int ) ; "
"int ( * t3 ( bool ) ) ( int , int ) ;");
ASSERT_EQUALS(expected, tok(code, false));
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedefFunction5()
{
const char code[] = "typedef int ( * type1 ) ( float ) ;\n"
"typedef int ( * const type2 ) ( float ) ;\n"
"typedef int ( * volatile type3 ) ( float ) ;\n"
"typedef int ( * const volatile type4 ) ( float ) ;\n"
"typedef int ( C :: * type5 ) ( float ) ;\n"
"typedef int ( C :: * const type6 ) ( float ) ;\n"
"typedef int ( C :: * volatile type7 ) ( float ) ;\n"
"typedef int ( C :: * const volatile type8 ) ( float ) ;\n"
"typedef int ( :: C :: * type9 ) ( float ) ;\n"
"typedef int ( :: C :: * const type10 ) ( float ) ;\n"
"typedef int ( :: C :: * volatile type11 ) ( float ) ;\n"
"typedef int ( :: C :: * const volatile type12 ) ( float ) ;\n"
"type1 t1;\n"
"type2 t2;\n"
"type3 t3;\n"
"type4 t4;\n"
"type5 t5;\n"
"type6 t6;\n"
"type7 t7;\n"
"type8 t8;\n"
"type9 t9;\n"
"type10 t10;\n"
"type11 t11;\n"
"type12 t12;";
// The expected result..
const std::string expected("; "
"int * t1 ; " // simplified to regular pointer
"int ( * const t2 ) ( float ) ; "
"int * t3 ; " // volatile removed, gets simplified to regular pointer
"int ( * const t4 ) ( float ) ; " // volatile removed
"int ( C :: * t5 ) ( float ) ; "
"int ( C :: * const t6 ) ( float ) ; "
"int ( C :: * t7 ) ( float ) ; " // volatile removed
"int ( C :: * const t8 ) ( float ) ; " // volatile removed
"int ( :: C :: * t9 ) ( float ) ; "
"int ( :: C :: * const t10 ) ( float ) ; "
"int ( :: C :: * t11 ) ( float ) ; " // volatile removed
"int ( :: C :: * const t12 ) ( float ) ;"); // volatile removed
ASSERT_EQUALS(expected, tok(code, false));
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedefFunction6()
{
const char code[] = "typedef void (*testfp)();\n"
"struct Fred\n"
"{\n"
" testfp get1() { return 0; }\n"
" void ( * get2 ( ) ) ( ) { return 0 ; }\n"
" testfp get3();\n"
" void ( * get4 ( ) ) ( );\n"
"};\n"
"testfp Fred::get3() { return 0; }\n"
"void ( * Fred::get4 ( ) ) ( ) { return 0 ; }\n";
// The expected result..
const std::string expected("; "
"struct Fred "
"{ "
"void ( * get1 ( ) ) ( ) { return 0 ; } "
"void ( * get2 ( ) ) ( ) { return 0 ; } "
"void ( * get3 ( ) ) ( ) ; "
"void ( * get4 ( ) ) ( ) ; "
"} ; "
"void ( * Fred :: get3 ( ) ) ( ) { return 0 ; } "
"void ( * Fred :: get4 ( ) ) ( ) { return 0 ; }");
ASSERT_EQUALS(expected, tok(code, false));
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedefFunction7()
{
const char code[] = "typedef void ( __gnu_cxx :: _SGIAssignableConcept < _Tp > :: * _func_Tp_SGIAssignableConcept ) () ;"
"_func_Tp_SGIAssignableConcept X;\n";
// The expected result..
const std::string expected("; "
"void ( __gnu_cxx :: _SGIAssignableConcept < _Tp > :: * X ) ( ) ;");
ASSERT_EQUALS(expected, tok(code, false));
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str());
}
void simplifyTypedefFunction8()
{
// #2376 - internal error
const char code[] = "typedef int f_expand(const nrv_byte *);\n"
"void f(f_expand *(*get_fexp(int))){}\n";
checkSimplifyTypedef(code);
ASSERT_EQUALS("", errout.str()); // make sure that there is no internal error
}
void reverseArraySyntax()
{
ASSERT_EQUALS("a [ 13 ]", tok("13[a]"));
}
void simplify_numeric_condition()
{
{
const char code[] =
"void f()\n"
"{\n"
"int x = 0;\n"
"if( !x || 0 )\n"
"{ g();\n"
"}\n"
"}";
ASSERT_EQUALS("void f ( ) { ; { g ( ) ; } }", tok(code));
}
{
const char code[] =
"void f()\n"
"{\n"
"int x = 1;\n"
"if( !x )\n"
"{ g();\n"
"}\n"
"}";
ASSERT_EQUALS("void f ( ) { ; }", tok(code));
}
{
const char code[] =
"void f()\n"
"{\n"
"bool x = true;\n"
"if( !x )\n"
"{ g();\n"
"}\n"
"}";
ASSERT_EQUALS("void f ( ) { ; }", tok(code));
}
{
const char code[] =
"void f()\n"
"{\n"
"bool x = false;\n"
"if( !x )\n"
"{ g();\n"
"}\n"
"}";
ASSERT_EQUALS("void f ( ) { ; { g ( ) ; } }", tok(code));
}
{
const char code[] = "void f()\n"
"{\n"
" if (5==5);\n"
"}\n";
ASSERT_EQUALS("void f ( ) { { ; } }", tok(code));
}
{
const char code[] = "void f()\n"
"{\n"
" if (4<5);\n"
"}\n";
ASSERT_EQUALS("void f ( ) { { ; } }", tok(code));
}
{
const char code[] = "void f()\n"
"{\n"
" if (5<5);\n"
"}\n";
ASSERT_EQUALS("void f ( ) { }", tok(code));
}
{
const char code[] = "void f()\n"
"{\n"
" if (13>12?true:false);\n"
"}\n";
ASSERT_EQUALS("void f ( ) { { ; } }", tok(code));
}
}
void simplify_condition()
{
{
const char code[] =
"void f(int a)\n"
"{\n"
"if (a && false) g();\n"
"}";
ASSERT_EQUALS("void f ( int a ) { }", tok(code));
}
{
const char code[] =
"void f(int a)\n"
"{\n"
"if (false && a) g();\n"
"}";
ASSERT_EQUALS("void f ( int a ) { }", tok(code));
}
{
const char code[] =
"void f(int a)\n"
"{\n"
"if (true || a) g();\n"
"}";
ASSERT_EQUALS("void f ( int a ) { { g ( ) ; } }", tok(code));
}
{
const char code[] =
"void f(int a)\n"
"{\n"
"if (a || true) g();\n"
"}";
ASSERT_EQUALS("void f ( int a ) { { g ( ) ; } }", tok(code));
}
}
void pointeralias1()
{
{
const char code[] = "void f()\n"
"{\n"
" char buf[100];\n"
" char *p = buf;\n"
" free(p);\n"
"}\n";
const char expected[] = "void f ( ) "
"{ "
"char buf [ 100 ] ; "
"free ( buf ) ; "
"}";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "void f(char *p1)\n"
"{\n"
" char *p = p1;\n"
" p1 = 0;"
" x(p);\n"
"}\n";
const char expected[] = "void f ( char * p1 ) "
"{ "
"char * p ; p = p1 ; "
"p1 = 0 ; "
"x ( p ) ; "
"}";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "void foo(Result* ptr)\n"
"{\n"
" Result* obj = ptr;\n"
" ++obj->total;\n"
"}\n";
const char expected[] = "void foo ( Result * ptr ) "
"{ "
"Result * obj ; obj = ptr ; "
"++ obj . total ; "
"}";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "int *foo()\n"
"{\n"
" int a[10];\n"
" int *b = a;\n"
" return b;\n"
"}\n";
const char expected[] = "int * foo ( ) "
"{ "
"int a [ 10 ] ; "
"return a ; "
"}";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "void f() {\n"
" int a[10];\n"
" int *b = a;\n"
" memset(b,0,sizeof(a));\n"
"}";
const char expected[] = "void f ( ) {"
" int a [ 10 ] ;"
" memset ( a , 0 , 40 ) ; "
"}";
ASSERT_EQUALS(expected, tok(code));
}
}
void pointeralias2()
{
const char code[] = "void f()\n"
"{\n"
" int i;\n"
" int *p = &i;\n"
" return *p;\n"
"}\n";
ASSERT_EQUALS("void f ( ) { int i ; return i ; }", tok(code));
}
void pointeralias3()
{
const char code[] = "void f()\n"
"{\n"
" int i, j, *p;\n"
" if (ab) p = &i;\n"
" else p = &j;\n"
" *p = 0;\n"
"}\n";
const char expected[] = "void f ( ) "
"{"
" int i ; int j ; int * p ;"
" if ( ab ) { p = & i ; }"
" else { p = & j ; }"
" * p = 0 ; "
"}";
ASSERT_EQUALS(expected, tok(code));
}
void pointeralias4()
{
const char code[] = "void f()\n"
"{\n"
" int a[10];\n"
" int *p = &a[0];\n"
" *p = 0;\n"
"}\n";
const char expected[] = "void f ( ) "
"{"
" int a [ 10 ] ;"
" int * p ; p = & a [ 0 ] ;"
" * a = 0 ; "
"}";
ASSERT_EQUALS(expected, tok(code));
}
void pointeralias5()
{
const char code[] = "int f()\n"
"{\n"
" int i;\n"
" int *p = &i;\n"
" *p = 5;\n"
" return i;\n"
"}\n";
const char expected[] = "int f ( ) "
"{"
" ; return 5 ; "
"}";
ASSERT_EQUALS(expected, tok(code));
}
void reduceConstness()
{
ASSERT_EQUALS("char * p ;", tok("char * const p;"));
}
void while0()
{
ASSERT_EQUALS("; x = 1 ;", tok("; do { x = 1 ; } while (0);"));
ASSERT_EQUALS("; do { continue ; } while ( false ) ;", tok("; do { continue ; } while (0);"));
ASSERT_EQUALS("; do { break ; } while ( false ) ;", tok("; do { break; } while (0);"));
ASSERT_EQUALS(";", tok("; while (false) { a; }"));
// for (condition is always false)
ASSERT_EQUALS("void f ( ) { ; }", tok("void f() { int i; for (i = 0; i < 0; i++) { a; } }"));
}
void while1()
{
// ticket #1197
const char code[] = "void do {} while (0) { }";
const char expected[] = "void { }";
ASSERT_EQUALS(expected, tok(code));
}
void enum1()
{
const char code[] = "enum A { a, b, c }; A c1 = c;";
const char expected[] = "; int c1 ; c1 = 2 ;";
ASSERT_EQUALS(expected, tok(code, false));
}
void enum2()
{
const char code[] = "enum A { a, }; int array[a];";
const char expected[] = "; int array [ 0 ] ;";
ASSERT_EQUALS(expected, tok(code, false));
}
void enum3()
{
const char code[] = "enum { a, }; int array[a];";
const char expected[] = "; int array [ 0 ] ;";
ASSERT_EQUALS(expected, tok(code, false));
}
void enum4()
{
{
const char code[] = "class A {\n"
"public:\n"
" enum EA { a1, a2, a3 };\n"
" EA get() const;\n"
" void put(EA a) { ea = a; ea = a1; }\n"
"private:\n"
" EA ea;\n"
"};\n"
"A::EA A::get() const { return ea; }\n"
"A::EA e = A::a1;";
const char expected[] = "class A { "
"public: "
"; "
"int get ( ) const ; "
"void put ( int a ) { ea = a ; ea = 0 ; } "
"private: "
"int ea ; "
"} ; "
"int A :: get ( ) const { return ea ; } "
"int e ; e = 0 ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "struct A {\n"
" enum EA { a1, a2, a3 };\n"
" EA get() const;\n"
" void put(EA a) { ea = a; ea = a1; }\n"
" EA ea;\n"
"};\n"
"A::EA A::get() const { return ea; }\n"
"A::EA e = A::a1;";
const char expected[] = "struct A { "
"; "
"int get ( ) const ; "
"void put ( int a ) { ea = a ; ea = 0 ; } "
"int ea ; "
"} ; "
"int A :: get ( ) const { return ea ; } "
"int e ; e = 0 ;";
ASSERT_EQUALS(expected, tok(code, false));
}
}
void enum5()
{
const char code[] = "enum ABC {\n"
" a = sizeof(int),\n"
" b = 1 + a,\n"
" c = b + 100,\n"
" d,\n"
" e,\n"
" f = 90,\n"
" g\n"
"};\n"
"int sum = a + b + c + d + e + f + g;";
const char expected[] = "; "
"int sum ; sum = "
"sizeof ( int ) + "
"1 + sizeof ( int ) + "
"1 + sizeof ( int ) + 100 + "
"1 + sizeof ( int ) + 100 + 1 + "
"1 + sizeof ( int ) + 100 + 2 + "
"90 + "
"91 ;";
ASSERT_EQUALS(expected, tok(code, false));
ASSERT_EQUALS("; int sum ; sum = 508 ;", tok(code, true));
}
void enum6()
{
const char code[] = "enum { a = MAC(A, B, C) }; void f(a) { }";
const char expected[] = "; void f ( MAC ( A , B , C ) ) { }";
ASSERT_EQUALS(expected, tok(code, false));
}
void enum7()
{
{
// ticket 1388
const char code[] = "enum FOO {A,B,C};\n"
"int main()\n"
"{\n"
" int A = B;\n"
" { float A = C; }\n"
"}";
const char expected[] = "; "
"int main ( ) "
"{ "
"int A ; A = 1 ; "
"{ float A ; A = 2 ; } "
"}";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "enum FOO {A,B,C};\n"
"void f(int A, float B, char C) { }";
const char expected[] = "; "
"void f ( int A , float B , char C ) { }";
ASSERT_EQUALS(expected, tok(code, false));
}
}
// Check simplifyEnum
void checkSimplifyEnum(const char code[])
{
errout.str("");
// Tokenize..
Settings settings;
settings.inconclusive = true;
settings.addEnabled("style");
Tokenizer tokenizer(&settings, this);
std::istringstream istr(code);
tokenizer.tokenize(istr, "test.cpp");
tokenizer.simplifyTokenList();
}
void enum8()
{
// ticket 1388
checkSimplifyEnum("enum Direction {N=100,E,S,W,ALL};\n"
"template<class T,int S> class EF_Vector{\n"
" T v_v[S];\n"
"\n"
"public:\n"
" EF_Vector();\n"
" explicit EF_Vector(const T &);\n"
" explicit EF_Vector(const T arr[S]);\n"
"};\n"
"\n"
"template<class T,int S>\n"
"EF_Vector<T,S>::EF_Vector()\n"
"{\n"
"}\n"
"\n"
"template<class T,int S>\n"
"EF_Vector<T,S>::EF_Vector(const T &t)\n"
"{\n"
" for(int i=0;i<S;i++)\n"
" v_v[i]=t;\n"
"}\n"
"\n"
"template<class T,int S>\n"
"EF_Vector<T,S>::EF_Vector(const T arr[S])\n"
"{\n"
" for(int i=0;i<S;i++)\n"
" v_v[i]=arr[i];\n"
"}\n"
"\n"
"void initialize()\n"
"{\n"
" EF_Vector<float,6> d;\n"
"}");
ASSERT_EQUALS("[test.cpp:2] -> [test.cpp:1]: (style) Template parameter 'S' hides enumerator with same name\n"
"[test.cpp:11] -> [test.cpp:1]: (style) Template parameter 'S' hides enumerator with same name\n"
"[test.cpp:16] -> [test.cpp:1]: (style) Template parameter 'S' hides enumerator with same name\n"
"[test.cpp:23] -> [test.cpp:1]: (style) Template parameter 'S' hides enumerator with same name\n", errout.str());
}
void enum9()
{
// ticket 1404
checkSimplifyEnum("class XX {\n"
"public:\n"
"static void Set(const int &p){m_p=p;}\n"
"static int m_p;\n"
"};\n"
"int XX::m_p=0;\n"
"int main() {\n"
" enum { XX };\n"
" XX::Set(std::numeric_limits<X>::digits());\n"
"}");
ASSERT_EQUALS("", errout.str());
}
void enum10()
{
// ticket 1445
const char code[] = "enum {\n"
"SHELL_SIZE = sizeof(union { int i; char *cp; double d; }) - 1, \n"
"} e = SHELL_SIZE;";
const char expected[] = "; int e ; e = sizeof ( union { int i ; char * cp ; double d ; } ) - 1 ;";
ASSERT_EQUALS(expected, tok(code, false));
checkSimplifyEnum(code);
ASSERT_EQUALS("", errout.str());
}
void enum11()
{
const char code[] = "int main()\n"
"{\n"
" enum { u, v };\n"
" A u = 1, v = 2;\n"
"}";
const char expected[] = "int main ( ) "
"{ "
"; "
"A u ; u = 1 ; A v ; v = 2 ; "
"}";
ASSERT_EQUALS(expected, tok(code, false));
checkSimplifyEnum(code);
ASSERT_EQUALS("[test.cpp:4] -> [test.cpp:3]: (style) Variable 'u' hides enumerator with same name\n"
"[test.cpp:4] -> [test.cpp:3]: (style) Variable 'v' hides enumerator with same name\n", errout.str());
}
void enum12()
{
const char code[] = "enum fred { a, b };\n"
"void foo()\n"
"{\n"
" unsigned int fred = 0;\n"
"}";
const char expected[] = "; void foo ( ) { unsigned int fred ; fred = 0 ; }";
ASSERT_EQUALS(expected, tok(code, false));
}
void enum13()
{
const char code[] = "enum ab { ENTRY(1, a = 0), ENTRY(2, b) };\n"
"void foo()\n"
"{\n"
" unsigned int fred = a;\n"
"}";
const char expected[] = "; void foo ( ) { unsigned int fred ; fred = a ; }";
ASSERT_EQUALS(expected, tok(code, false));
}
void enum14()
{
const char code[] = "enum ab { a };\n"
"ab";
const char expected[] = "; ab";
ASSERT_EQUALS(expected, tok(code, false));
}
void enum15() // C++0x features
{
{
const char code[] = "enum : char { a = 99 };\n"
"char c1 = a;";
const char expected[] = "; char c1 ; c1 = 99 ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "enum class Enum1 { a };\n"
"Enum1 e1 = a;";
const char expected[] = "; int e1 ; e1 = 0 ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "enum Enum1 : char { a };\n"
"Enum1 e1 = a;";
const char expected[] = "; char e1 ; e1 = 0 ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "enum class Enum1 : unsigned char { a };\n"
"Enum1 e1 = a;";
const char expected[] = "; unsigned char e1 ; e1 = 0 ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "enum class Enum1 : unsigned int { a };\n"
"Enum1 e1 = a;";
const char expected[] = "; unsigned int e1 ; e1 = 0 ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "enum class Enum1 : unsigned long long int { a };\n"
"Enum1 e1 = a;";
const char expected[] = "; unsigned long long e1 ; e1 = 0 ;";
ASSERT_EQUALS(expected, tok(code, false));
}
}
void enum16() // ticket #1988
{
const char code[] = "enum D : auto * { FF = 0 };";
checkSimplifyEnum(code);
ASSERT_EQUALS("[test.cpp:1]: (error) syntax error\n", errout.str());
}
void enum17() // ticket #2381
{
// if header is included twice its enums will be duplicated
const char code[] = "enum ab { a=0, b };"
"enum ab { a=0, b };\n";
ASSERT_EQUALS(";", tok(code, false));
ASSERT_EQUALS("", errout.str());
}
void enum18() // ticket #2466 - array with same name as enum constant
{
const char code[] = "enum ab { a=0, b };\n"
"void f() { a[0]; }\n";
ASSERT_EQUALS("; void f ( ) { a [ 0 ] ; }", tok(code, false));
}
void enum19() // ticket #2536
{
const char code[] = "enum class E1;\n"
"enum class E2 : int;\n";
ASSERT_EQUALS(";", tok(code, false));
}
void enum20() // ticket #2600 segmentation fault
{
const char code[] = "enum { const }\n";
ASSERT_EQUALS(";", tok(code, false));
}
void enum21() // ticket #2720 syntax error
{
const char code[] = "enum E2 : signed const short { };\n";
ASSERT_EQUALS(";", tok(code, false));
ASSERT_EQUALS("", errout.str());
}
void enum22() // ticket #2745
{
const char code[] = "enum en { x = 0 };\n"
"void f() {\n"
" int x = 0;\n"
" g(x);\n"
"}\n"
"void f2(int &x) {\n"
" x+=1;\n"
"}\n";
checkSimplifyEnum(code);
ASSERT_EQUALS("[test.cpp:3] -> [test.cpp:1]: (style) Variable 'x' hides enumerator with same name\n"
"[test.cpp:6] -> [test.cpp:1]: (style) Function parameter 'x' hides enumerator with same name\n", errout.str());
}
void enum23() // ticket #2804
{
const char code[] = "enum Enumerator : std::uint8_t { ITEM1, ITEM2, ITEM3 };\n"
"Enumerator e = ITEM3;\n";
const char expected[] = "; std :: uint8_t e ; e = 2 ;";
ASSERT_EQUALS(expected, tok(code, false));
ASSERT_EQUALS("", errout.str());
}
void enum24() // ticket #2828
{
const char code[] = "enum EnumName { STYLE = 0x0001 };\n"
"void f(long style) {\n"
" if (style & STYLE) { }\n"
"}\n";
const char expected[] = "; void f ( long style ) { if ( style & 1 ) { } }";
ASSERT_EQUALS(expected, tok(code, false));
ASSERT_EQUALS("", errout.str());
}
void enum25() // ticket #2966 (segmentation fault)
{
const char code[] = "enum x :\n";
tok(code, false);
ASSERT_EQUALS("[test.cpp:1]: (error) syntax error\n", errout.str());
}
void enum26() // ticket #2975 (segmentation fault)
{
const char code[] = "enum E {} e enum\n";
tok(code, false);
ASSERT_EQUALS("", errout.str());
}
void enum27() // ticket #3005 (segmentation fault)
{
const char code[] = "enum : x\n";
tok(code, false);
ASSERT_EQUALS("[test.cpp:1]: (error) syntax error\n", errout.str());
}
void removestd()
{
ASSERT_EQUALS("; strcpy ( a , b ) ;", tok("; std::strcpy(a,b);"));
ASSERT_EQUALS("; strcat ( a , b ) ;", tok("; std::strcat(a,b);"));
ASSERT_EQUALS("; strncpy ( a , b , 10 ) ;", tok("; std::strncpy(a,b,10);"));
ASSERT_EQUALS("; strncat ( a , b , 10 ) ;", tok("; std::strncat(a,b,10);"));
ASSERT_EQUALS("; free ( p ) ;", tok("; std::free(p);"));
ASSERT_EQUALS("; malloc ( 10 ) ;", tok("; std::malloc(10);"));
}
void simplifyInitVar()
{
// ticket #1005 - int *p(0); => int *p = 0;
{
const char code[] = "void foo() { int *p(0); }";
ASSERT_EQUALS("void foo ( ) { ; }", tok(code));
}
{
const char code[] = "void foo() { int p(0); }";
ASSERT_EQUALS("void foo ( ) { ; }", tok(code));
}
{
const char code[] = "void a() { foo *p(0); }";
ASSERT_EQUALS("void a ( ) { ; }", tok(code));
}
}
void simplifyReference()
{
ASSERT_EQUALS("void f ( ) { int a ; a ++ ; }",
tok("void f() { int a; int &b(a); b++; }"));
ASSERT_EQUALS("void f ( ) { int a ; a ++ ; }",
tok("void f() { int a; int &b = a; b++; }"));
}
void simplifyRealloc()
{
ASSERT_EQUALS("; free ( p ) ; p = 0 ;",
tok("; p = realloc(p,0);"));
ASSERT_EQUALS("; p = malloc ( 100 ) ;",
tok("; p = realloc(0, 100);"));
ASSERT_EQUALS("; p = malloc ( 0 ) ;",
tok("; p = realloc(0, sizeof(char)*0);"));
}
void simplifyErrNoInWhile()
{
ASSERT_EQUALS("; while ( f ( ) ) { }",
tok("; while (f() && errno == EINTR) { }"));
ASSERT_EQUALS("; while ( f ( ) ) { }",
tok("; while (f() && (errno == EINTR)) { }"));
}
void simplifyFuncInWhile()
{
ASSERT_EQUALS("int cppcheck:r = fclose ( f ) ; "
"while ( cppcheck:r ) "
"{ "
"foo ( ) ; "
"cppcheck:r = fclose ( f ) ; "
"}",
tok("while(fclose(f))foo();"));
ASSERT_EQUALS("int cppcheck:r = fclose ( f ) ; "
"while ( cppcheck:r ) "
"{ "
"; cppcheck:r = fclose ( f ) ; "
"}",
tok("while(fclose(f));"));
ASSERT_EQUALS("int cppcheck:r = fclose ( f ) ; "
"while ( cppcheck:r ) "
"{ "
"; cppcheck:r = fclose ( f ) ; "
"} "
"int cppcheck:r = fclose ( g ) ; "
"while ( cppcheck:r ) "
"{ "
"; cppcheck:r = fclose ( g ) ; "
"}",
tok("while(fclose(f)); while(fclose(g));"));
}
void initstruct()
{
ASSERT_EQUALS("; struct A a ; a . buf = 3 ;", tok("; struct A a = { .buf = 3 };"));
ASSERT_EQUALS("; struct A a ; a . buf = x ;", tok("; struct A a = { .buf = x };"));
ASSERT_EQUALS("; struct A a ; a . buf = & key ;", tok("; struct A a = { .buf = &key };"));
ASSERT_EQUALS("; struct ABC abc ; abc . a = 3 ; abc . b = x ; abc . c = & key ;", tok("; struct ABC abc = { .a = 3, .b = x, .c = &key };"));
TODO_ASSERT_EQUALS("; struct A a ; a . buf = { 0 } ;",
"; struct A a ; a = { . buf = { 0 } } ;",
tok("; struct A a = { .buf = {0} };"));
}
void simplifyStructDecl1()
{
{
const char code[] = "struct ABC { } abc;";
const char expected[] = "struct ABC { } ; ABC abc ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "struct ABC { } * pabc;";
const char expected[] = "struct ABC { } ; ABC * pabc ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "struct ABC { } abc[4];";
const char expected[] = "struct ABC { } ; ABC abc [ 4 ] ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "struct ABC { } abc, def;";
const char expected[] = "struct ABC { } ; ABC abc ; ABC def ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "struct ABC { } abc, * pabc;";
const char expected[] = "struct ABC { } ; ABC abc ; ABC * pabc ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "struct ABC { struct DEF {} def; } abc;";
const char expected[] = "struct ABC { struct DEF { } ; DEF def ; } ; ABC abc ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "struct { } abc;";
const char expected[] = "struct Anonymous0 { } ; Anonymous0 abc ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "struct { } * pabc;";
const char expected[] = "struct Anonymous0 { } ; Anonymous0 * pabc ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "struct { } abc[4];";
const char expected[] = "struct Anonymous0 { } ; Anonymous0 abc [ 4 ] ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "struct { } abc, def;";
const char expected[] = "struct Anonymous0 { } ; Anonymous0 abc ; Anonymous0 def ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "struct { } abc, * pabc;";
const char expected[] = "struct Anonymous0 { } ; Anonymous0 abc ; Anonymous0 * pabc ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "struct { struct DEF {} def; } abc;";
const char expected[] = "struct Anonymous0 { struct DEF { } ; DEF def ; } ; Anonymous0 abc ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "struct ABC { struct {} def; } abc;";
const char expected[] = "struct ABC { struct Anonymous0 { } ; Anonymous0 def ; } ; ABC abc ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "struct { struct {} def; } abc;";
const char expected[] = "struct Anonymous0 { struct Anonymous1 { } ; Anonymous1 def ; } ; Anonymous0 abc ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "union ABC { int i; float f; } abc;";
const char expected[] = "union ABC { int i ; float f ; } ; ABC abc ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "struct ABC { struct {} def; };";
const char expected[] = "struct ABC { struct Anonymous0 { } ; Anonymous0 def ; } ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "struct ABC : public XYZ { struct {} def; };";
const char expected[] = "struct ABC : public XYZ { struct Anonymous0 { } ; Anonymous0 def ; } ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "struct { int x; }; int y;";
const char expected[] = "int x ; int y ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "struct { int x; };";
const char expected[] = "int x ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "struct { };";
const char expected[] = ";";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "struct { struct { struct { } ; } ; };";
const char expected[] = ";";
ASSERT_EQUALS(expected, tok(code, false));
}
// ticket 2464
{
const char code[] = "static struct ABC { } abc ;";
const char expected[] = "struct ABC { } ; static ABC abc ;";
ASSERT_EQUALS(expected, tok(code, false));
}
// ticket #980
{
const char code[] = "void f() { int A(1),B(2),C=3,D,E(5),F=6; }";
const char expected[] = "void f ( ) { int A ; A = 1 ; int B ; B = 2 ; int C ; C = 3 ; int D ; int E ; E = 5 ; int F ; F = 6 ; }";
ASSERT_EQUALS(expected, tok(code, false));
}
}
void simplifyStructDecl2() // ticket #2479 (segmentation fault)
{
const char code[] = "struct { char c; }";
const char expected[] = "struct { char c ; }";
ASSERT_EQUALS(expected, tok(code, false));
}
void simplifyStructDecl3()
{
{
const char code[] = "class ABC { } abc;";
const char expected[] = "class ABC { } ; ABC abc ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "class ABC { } * pabc;";
const char expected[] = "class ABC { } ; ABC * pabc ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "class ABC { } abc[4];";
const char expected[] = "class ABC { } ; ABC abc [ 4 ] ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "class ABC { } abc, def;";
const char expected[] = "class ABC { } ; ABC abc ; ABC def ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "class ABC { } abc, * pabc;";
const char expected[] = "class ABC { } ; ABC abc ; ABC * pabc ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "class ABC { class DEF {} def; } abc;";
const char expected[] = "class ABC { class DEF { } ; DEF def ; } ; ABC abc ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "class { } abc;";
const char expected[] = "class { } abc ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "class { } * pabc;";
const char expected[] = "class { } * pabc ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "class { } abc[4];";
const char expected[] = "class { } abc [ 4 ] ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "class { } abc, def;";
const char expected[] = "class { } abc , def ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "class { } abc, * pabc;";
const char expected[] = "class { } abc , * pabc ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "struct { class DEF {} def; } abc;";
const char expected[] = "struct Anonymous0 { class DEF { } ; DEF def ; } ; Anonymous0 abc ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "class ABC { struct {} def; } abc;";
const char expected[] = "class ABC { struct Anonymous0 { } ; Anonymous0 def ; } ; ABC abc ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "class { class {} def; } abc;";
const char expected[] = "class { class { } def ; } abc ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "class ABC { struct {} def; };";
const char expected[] = "class ABC { struct Anonymous0 { } ; Anonymous0 def ; } ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "class ABC : public XYZ { struct {} def; };";
const char expected[] = "class ABC : public XYZ { struct Anonymous0 { } ; Anonymous0 def ; } ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "class { int x; }; int y;";
const char expected[] = "class { int x ; } ; int y ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "class { int x; };";
const char expected[] = "class { int x ; } ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "class { };";
const char expected[] = "class { } ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "class { struct { struct { } ; } ; };";
const char expected[] = "class { } ;";
ASSERT_EQUALS(expected, tok(code, false));
}
}
void simplifyStructDecl4()
{
{
const char code[] = "class ABC {\n"
" void foo() {\n"
" union {\n"
" int i;\n"
" float f;\n"
" };\n"
" struct Fee { } fee;\n"
" }\n"
" union {\n"
" long long ll;\n"
" double d;\n"
" };\n"
"} abc;\n";
const char expected[] = "class ABC { "
"void foo ( ) { "
"int i ; "
"float & f = i ; "
"struct Fee { } ; Fee fee ; "
"} "
"union { "
"long long ll ; "
"double d ; "
"} ; "
"} ; ABC abc ;";
ASSERT_EQUALS(expected, tok(code, false));
}
}
void removeUnwantedKeywords()
{
ASSERT_EQUALS("int var ;", tok("register int var ;", true));
ASSERT_EQUALS("short var ;", tok("register short int var ;", true));
ASSERT_EQUALS("int foo ( ) { }", tok("inline int foo ( ) { }", true));
ASSERT_EQUALS("int foo ( ) { }", tok("__inline int foo ( ) { }", true));
ASSERT_EQUALS("int foo ( ) { }", tok("__forceinline int foo ( ) { }", true));
ASSERT_EQUALS("if ( a ) { }", tok("if ( likely ( a ) ) { }", true));
ASSERT_EQUALS("if ( a ) { }", tok("if ( unlikely ( a ) ) { }", true));
ASSERT_EQUALS("int * p ;", tok("int * __restrict p;", true));
ASSERT_EQUALS("int * * p ;", tok("int * __restrict__ * p;", true));
ASSERT_EQUALS("void foo ( float * a , float * b ) ;", tok("void foo(float * __restrict__ a, float * __restrict__ b);", true));
ASSERT_EQUALS("int * p ;", tok("int * restrict p;", true));
ASSERT_EQUALS("int * * p ;", tok("int * restrict * p;", true));
ASSERT_EQUALS("void foo ( float * a , float * b ) ;", tok("void foo(float * restrict a, float * restrict b);", true));
ASSERT_EQUALS("; int * p ;", tok("typedef int * __restrict__ rint; rint p;", true));
}
void simplifyCallingConvention()
{
ASSERT_EQUALS("int f ( ) ;", tok("int __cdecl f();", true));
ASSERT_EQUALS("int f ( ) ;", tok("int __stdcall f();", true));
ASSERT_EQUALS("int f ( ) ;", tok("int __fastcall f();", true));
ASSERT_EQUALS("int f ( ) ;", tok("int __clrcall f();", true));
ASSERT_EQUALS("int f ( ) ;", tok("int __thiscall f();", true));
ASSERT_EQUALS("int f ( ) ;", tok("int __syscall f();", true));
ASSERT_EQUALS("int f ( ) ;", tok("int __pascal f();", true));
ASSERT_EQUALS("int f ( ) ;", tok("int __fortran f();", true));
ASSERT_EQUALS("int f ( ) ;", tok("int __far __cdecl f();", true));
ASSERT_EQUALS("int f ( ) ;", tok("int __far __stdcall f();", true));
ASSERT_EQUALS("int f ( ) ;", tok("int __far __fastcall f();", true));
ASSERT_EQUALS("int f ( ) ;", tok("int __far __clrcall f();", true));
ASSERT_EQUALS("int f ( ) ;", tok("int __far __thiscall f();", true));
ASSERT_EQUALS("int f ( ) ;", tok("int __far __syscall f();", true));
ASSERT_EQUALS("int f ( ) ;", tok("int __far __pascal f();", true));
ASSERT_EQUALS("int f ( ) ;", tok("int __far __fortran f();", true));
ASSERT_EQUALS("int f ( ) ;", tok("int WINAPI f();", true));
ASSERT_EQUALS("int f ( ) ;", tok("int APIENTRY f();", true));
ASSERT_EQUALS("int f ( ) ;", tok("int CALLBACK f();", true));
}
void simplifyFunctorCall()
{
ASSERT_EQUALS("IncrementFunctor ( ) ( a ) ;", tok("IncrementFunctor()(a);", true));
}
void redundant_semicolon()
{
ASSERT_EQUALS("void f ( ) { ; }", tok("void f() { ; }", false));
ASSERT_EQUALS("void f ( ) { ; }", tok("void f() { do { ; } while (0); }", true));
}
void simplifyFunctionReturn()
{
const char code[] = "typedef void (*testfp)();\n"
"struct Fred\n"
"{\n"
" testfp get1() { return 0; }\n"
" void ( * get2 ( ) ) ( ) { return 0 ; }\n"
" testfp get3();\n"
" void ( * get4 ( ) ) ( );\n"
"};";
const char expected[] = "; "
"struct Fred "
"{ "
"void ( * get1 ( ) ) ( ) { return 0 ; } "
"void ( * get2 ( ) ) ( ) { return 0 ; } "
"void ( * get3 ( ) ) ( ) ; "
"void ( * get4 ( ) ) ( ) ; "
"} ;";
ASSERT_EQUALS(expected, tok(code, false));
}
void removeUnnecessaryQualification1()
{
const char code[] = "class Fred { Fred::Fred() {} };";
const char expected[] = "class Fred { Fred ( ) { } } ;";
ASSERT_EQUALS(expected, tok(code, false));
ASSERT_EQUALS("[test.cpp:1]: (portability) Extra qualification 'Fred::' unnecessary and considered an error by many compilers.\n", errout.str());
}
void removeUnnecessaryQualification2()
{
const char code[] = "template<typename Iter, typename Skip>\n"
"struct grammar : qi::grammar<Iter, int(), Skip> {\n"
" grammar() : grammar::base_type(start) { }\n"
"};\n";
tok(code, false);
ASSERT_EQUALS("", errout.str());
}
void removeUnnecessaryQualification3()
{
const char code[] = "namespace one {\n"
" class c {\n"
" public:\n"
" void function() {}\n"
" };\n"
"}\n"
"namespace two {\n"
" class c : public one::c {\n"
" public:\n"
" void function() {\n"
" one::c::function();\n"
" }\n"
" };\n"
"}\n";
tok(code, false);
ASSERT_EQUALS("", errout.str());
}
void removeUnnecessaryQualification4()
{
const char code[] = "namespace one {\n"
" class c {\n"
" public:\n"
" void function() {}\n"
" };\n"
"}\n"
"class c : public one::c {\n"
"public:\n"
" void function() {\n"
" one::c::function();\n"
" }\n"
"};\n";
tok(code, false);
ASSERT_EQUALS("", errout.str());
}
void removeUnnecessaryQualification5()
{
const char code[] = "namespace one {\n"
" class c {\n"
" public:\n"
" void function() {}\n"
" };\n"
"}\n"
"namespace two {\n"
" class c : public one::c {\n"
" public:\n"
" void function() {\n"
" two::c::function();\n"
" }\n"
" };\n"
"}\n";
tok(code, false);
ASSERT_EQUALS("[test.cpp:11]: (portability) Extra qualification 'two::c::' unnecessary and considered an error by many compilers.\n", errout.str());
}
void removeUnnecessaryQualification6()
{
const char code[] = "namespace NS {\n"
" int HRDF_bit() { return 1; }\n"
" void HRDF_bit_set() { }\n"
" void func(int var) {\n"
" if (!NS::HRDF_bit())\n"
" return;\n"
" else\n"
" NS::HRDF_bit_set();\n"
" }\n"
"}\n";
tok(code, false);
ASSERT_EQUALS("", errout.str());
}
void removeUnnecessaryQualification7() // ticket #2970
{
const char code[] = "class TProcedure {\n"
"public:\n"
" TProcedure::TProcedure(long endAddress) : m_lEndAddr(endAddress){}\n"
"private:\n"
" long m_lEndAddr;\n"
"}\n";
tok(code, false);
ASSERT_EQUALS("[test.cpp:3]: (portability) Extra qualification 'TProcedure::' unnecessary and considered an error by many compilers.\n", errout.str());
}
void simplifyIfNotNull()
{
{
// ticket # 2601 segmentation fault
const char code[] = "|| #if #define <=";
tok(code, false);
ASSERT_EQUALS("", errout.str());
}
{
const char code[] = "void f(int x) {\n"
" x = (x != 0);\n"
"}";
ASSERT_EQUALS("void f ( int x ) { }", tok(code, false));
}
}
void simplifyVarDecl1() // ticket # 2682 segmentation fault
{
const char code[] = "x a[0] =";
tok(code, false);
ASSERT_EQUALS("", errout.str());
}
void simplifyVarDecl2() // ticket # 2834 segmentation fault
{
const char code[] = "std::vector<int>::iterator";
tok(code, false);
ASSERT_EQUALS("", errout.str());
}
void return_strncat()
{
const char code[] = "char *f()\n"
"{\n"
" char *temp=malloc(2);\n"
" strcpy(temp,\"\");\n"
" return (strncat(temp,\"a\",1));\n"
"}";
ASSERT_EQUALS("char * f ( ) { "
"char * temp ; "
"temp = malloc ( 2 ) ; "
"strcpy ( temp , \"\" ) ; "
"strncat ( temp , \"a\" , 1 ) ; "
"return temp ; "
"}", tok(code, true));
}
void removeRedundantFor() // ticket #3069
{
{
const char code[] = "void f() {"
" for(x=0;x<1;x++) {"
" y = 1;"
" }"
"}";
ASSERT_EQUALS("void f ( ) { { y = 1 ; } x = 1 ; }", tok(code, true));
}
{
const char code[] = "void f() {"
" for(x=0;x<1;x++) {"
" y = 1 + x;"
" }"
"}";
ASSERT_EQUALS("void f ( ) { x = 0 ; { y = 1 + x ; } x = 1 ; }", tok(code, true));
}
}
};
REGISTER_TEST(TestSimplifyTokens)
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