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cppcheck/test/testsimplifytokens.cpp

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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2018 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 "platform.h"
#include "settings.h"
#include "testsuite.h"
#include "token.h"
#include "tokenize.h"
#include "tokenlist.h"
#include <ostream>
#include <string>
class TestSimplifyTokens : public TestFixture {
public:
TestSimplifyTokens() : TestFixture("TestSimplifyTokens") {
}
private:
Settings settings0;
Settings settings1;
Settings settings_std;
Settings settings_windows;
void run() override {
LOAD_LIB_2(settings_std.library, "std.cfg");
LOAD_LIB_2(settings_windows.library, "windows.cfg");
settings0.addEnabled("portability");
settings1.addEnabled("style");
settings_windows.addEnabled("portability");
// 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);
// foo(p = new char[10]); => p = new char[10]; foo(p);
TEST_CASE(simplifyAssignmentInFunctionCall);
// ";a+=b;" => ";a=a+b;"
TEST_CASE(simplifyCompoundAssignment);
TEST_CASE(cast);
TEST_CASE(iftruefalse);
TEST_CASE(combine_strings);
TEST_CASE(double_plus);
TEST_CASE(redundant_plus);
TEST_CASE(redundant_plus_numbers);
TEST_CASE(parentheses1);
TEST_CASE(parenthesesVar); // Remove redundant parentheses around variable .. "( %name% )"
TEST_CASE(declareVar);
TEST_CASE(declareArray);
TEST_CASE(dontRemoveIncrement);
TEST_CASE(removePostIncrement);
TEST_CASE(removePreIncrement);
TEST_CASE(elseif1);
TEST_CASE(sizeof_array);
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);
TEST_CASE(sizeofsizeof);
TEST_CASE(casting);
TEST_CASE(strlen1);
TEST_CASE(strlen2);
TEST_CASE(namespaces);
// Assignment in condition..
TEST_CASE(ifassign1);
TEST_CASE(ifAssignWithCast);
TEST_CASE(whileAssign1);
TEST_CASE(whileAssign2);
TEST_CASE(whileAssign3); // varid
TEST_CASE(whileAssign4); // links
TEST_CASE(doWhileAssign); // varid
TEST_CASE(test_4881); // similar to doWhileAssign (#4911), taken from #4881 with full code
TEST_CASE(combine_wstrings);
TEST_CASE(combine_ustrings);
// Simplify "not" to "!" (#345)
TEST_CASE(not1);
// Simplify "and" to "&&" (#620)
TEST_CASE(and1);
// Simplify "or" to "||"
TEST_CASE(or1);
TEST_CASE(cAlternativeTokens);
TEST_CASE(comma_keyword);
TEST_CASE(remove_comma);
// Simplify "?:"
TEST_CASE(simplifyConditionOperator);
// Simplify calculations
TEST_CASE(calculations);
TEST_CASE(comparisons);
//remove dead code after flow control statements
TEST_CASE(simplifyFlowControl);
TEST_CASE(flowControl);
// Simplify nested strcat() calls
TEST_CASE(strcat1);
TEST_CASE(strcat2);
TEST_CASE(simplifyAtol)
TEST_CASE(simplifyOperator1);
TEST_CASE(simplifyOperator2);
TEST_CASE(simplifyArrayAccessSyntax)
TEST_CASE(simplify_numeric_condition)
TEST_CASE(simplify_condition);
TEST_CASE(pointeralias1);
TEST_CASE(pointeralias2);
TEST_CASE(pointeralias3);
TEST_CASE(pointeralias4);
// simplify "while (0)"
TEST_CASE(while0);
// ticket #3140
TEST_CASE(while0for);
TEST_CASE(while1);
TEST_CASE(duplicateDefinition); // ticket #3565
// 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; => struct ABC { }; ABC abc;
TEST_CASE(simplifyStructDecl1);
TEST_CASE(simplifyStructDecl2); // ticket #2579
TEST_CASE(simplifyStructDecl3);
TEST_CASE(simplifyStructDecl4);
TEST_CASE(simplifyStructDecl6); // ticket #3732
TEST_CASE(simplifyStructDecl7); // ticket #476 (static anonymous struct array)
TEST_CASE(simplifyStructDecl8); // ticket #7698
// 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(simplifyFunctionPointer); // ticket #5339 (simplify function pointer after comma)
TEST_CASE(redundant_semicolon);
TEST_CASE(simplifyFunctionReturn);
// void foo(void) -> void foo()
TEST_CASE(removeVoidFromFunction);
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);
TEST_CASE(consecutiveBraces);
TEST_CASE(undefinedSizeArray);
TEST_CASE(simplifyArrayAddress); // Replace "&str[num]" => "(str + num)"
TEST_CASE(simplifyCharAt);
TEST_CASE(simplifyOverride); // ticket #5069
TEST_CASE(simplifyNestedNamespace);
TEST_CASE(simplifyNamespaceAliases);
}
std::string tok(const char code[], bool simplify = true, Settings::PlatformType type = Settings::Native) {
errout.str("");
settings0.platform(type);
Tokenizer tokenizer(&settings0, this);
std::istringstream istr(code);
tokenizer.tokenize(istr, "test.cpp");
if (simplify)
tokenizer.simplifyTokenList2();
return tokenizer.tokens()->stringifyList(0, !simplify);
}
std::string tokWithWindows(const char code[], bool simplify = true, Settings::PlatformType type = Settings::Native) {
errout.str("");
settings_windows.platform(type);
Tokenizer tokenizer(&settings_windows, this);
std::istringstream istr(code);
tokenizer.tokenize(istr, "test.cpp");
if (simplify)
tokenizer.simplifyTokenList2();
return tokenizer.tokens()->stringifyList(0, !simplify);
}
std::string tok(const char code[], const char filename[], bool simplify = true) {
errout.str("");
Tokenizer tokenizer(&settings0, this);
std::istringstream istr(code);
tokenizer.tokenize(istr, filename);
if (simplify)
tokenizer.simplifyTokenList2();
return tokenizer.tokens()->stringifyList(0, false);
}
std::string tokWithStdLib(const char code[]) {
errout.str("");
Tokenizer tokenizer(&settings_std, this);
std::istringstream istr(code);
tokenizer.tokenize(istr, "test.cpp");
tokenizer.simplifyTokenList2();
return tokenizer.tokens()->stringifyList(0, false);
}
std::string tokenizeDebugListing(const char code[], bool simplify = false, const char filename[] = "test.cpp") {
errout.str("");
Tokenizer tokenizer(&settings0, this);
std::istringstream istr(code);
tokenizer.tokenize(istr, filename);
if (simplify)
tokenizer.simplifyTokenList2();
// result..
return tokenizer.tokens()->stringifyList(true);
}
void simplifyTokenList1() {
// #1717 : The simplifyErrNoInWhile needs to be used before simplifyIfAndWhileAssign..
ASSERT_EQUALS("; x = f ( ) ; while ( x == -1 ) { x = f ( ) ; }",
tok(";while((x=f())==-1 && errno==EINTR){}",true));
}
void simplifyAssignmentInFunctionCall() {
ASSERT_EQUALS("; x = g ( ) ; f ( x ) ;", tok(";f(x=g());"));
ASSERT_EQUALS("; hs = ( xyz_t ) { h . centerX , h . centerY , 1 + index } ; putInput ( hs , 1 ) ;", tok(";putInput(hs = (xyz_t) { h->centerX, h->centerY, 1 + index }, 1);"));
}
void simplifyCompoundAssignment() {
ASSERT_EQUALS("; x = x + y ;", tok("; x += y;"));
ASSERT_EQUALS("; x = x - y ;", tok("; x -= y;"));
ASSERT_EQUALS("; x = x * y ;", tok("; x *= y;"));
ASSERT_EQUALS("; x = x / y ;", tok("; x /= y;"));
ASSERT_EQUALS("; x = x % y ;", tok("; x %= y;"));
ASSERT_EQUALS("; x = x & y ;", tok("; x &= y;"));
ASSERT_EQUALS("; x = x | y ;", tok("; x |= y;"));
ASSERT_EQUALS("; x = x ^ y ;", tok("; x ^= y;"));
ASSERT_EQUALS("; x = x << y ;", tok("; x <<= y;"));
ASSERT_EQUALS("; x = x >> y ;", tok("; x >>= y;"));
ASSERT_EQUALS("{ x = x + y ; }", tok("{ x += y;}"));
ASSERT_EQUALS("{ x = x - y ; }", tok("{ x -= y;}"));
ASSERT_EQUALS("{ x = x * y ; }", tok("{ x *= y;}"));
ASSERT_EQUALS("{ x = x / y ; }", tok("{ x /= y;}"));
ASSERT_EQUALS("{ x = x % y ; }", tok("{ x %= y;}"));
ASSERT_EQUALS("{ x = x & y ; }", tok("{ x &= y;}"));
ASSERT_EQUALS("{ x = x | y ; }", tok("{ x |= y;}"));
ASSERT_EQUALS("{ x = x ^ y ; }", tok("{ x ^= y;}"));
ASSERT_EQUALS("{ x = x << y ; }", tok("{ x <<= y;}"));
ASSERT_EQUALS("{ x = x >> y ; }", tok("{ x >>= y;}"));
ASSERT_EQUALS("; * p = * p + y ;", tok("; *p += y;"));
ASSERT_EQUALS("; ( * p ) = ( * p ) + y ;", tok("; (*p) += y;"));
ASSERT_EQUALS("; * ( p [ 0 ] ) = * ( p [ 0 ] ) + y ;", tok("; *(p[0]) += y;"));
ASSERT_EQUALS("; p [ { 1 , 2 } ] = p [ { 1 , 2 } ] + y ;", tok("; p[{1,2}] += y;"));
ASSERT_EQUALS("void foo ( ) { switch ( n ) { case 0 : ; x = x + y ; break ; } }", tok("void foo() { switch (n) { case 0: x += y; break; } }"));
ASSERT_EQUALS("; x . y = x . y + 1 ;", tok("; x.y += 1;"));
ASSERT_EQUALS("; x [ 0 ] = x [ 0 ] + 1 ;", tok("; x[0] += 1;"));
ASSERT_EQUALS("; x [ y - 1 ] = x [ y - 1 ] + 1 ;", tok("; x[y-1] += 1;"));
ASSERT_EQUALS("; x [ y ] = x [ y ++ ] + 1 ;", tok("; x[y++] += 1;"));
ASSERT_EQUALS("; x [ ++ y ] = x [ y ] + 1 ;", tok("; x[++y] += 1;"));
ASSERT_EQUALS(";", tok(";x += 0;"));
TODO_ASSERT_EQUALS(";", "; x = x + '\\0' ;", tok("; x += '\\0'; "));
ASSERT_EQUALS(";", tok(";x -= 0;"));
ASSERT_EQUALS(";", tok(";x |= 0;"));
ASSERT_EQUALS(";", tok(";x *= 1;"));
ASSERT_EQUALS(";", tok(";x /= 1;"));
ASSERT_EQUALS("; a . x ( ) = a . x ( ) + 1 ;", tok("; a.x() += 1;"));
ASSERT_EQUALS("; x ( 1 ) = x ( 1 ) + 1 ;", tok("; x(1) += 1;"));
// #2368
ASSERT_EQUALS("{ j = j - i ; }", tok("if (false) {} else { j -= i; }"));
// #2714 - wrong simplification of "a += b?c:d;"
ASSERT_EQUALS("; a = a + ( b ? c : d ) ;", tok("; a+=b?c:d;"));
ASSERT_EQUALS("; a = a * ( b + 1 ) ;", tok("; a*=b+1;"));
ASSERT_EQUALS("; a = a + ( b && c ) ;", tok("; a+=b&&c;"));
ASSERT_EQUALS("; a = a * ( b || c ) ;", tok("; a*=b||c;"));
ASSERT_EQUALS("; a = a | ( b == c ) ;", tok("; a|=b==c;"));
// #3469
ASSERT_EQUALS("; a = a + ( b = 1 ) ;", tok("; a += b = 1;"));
// #7571
ASSERT_EQUALS("; foo = foo + [ & ] ( ) { } ;", tok("; foo += [&]() {int i;};"));
// #8796
ASSERT_EQUALS("{ return ( a = b ) += c ; }", tok("{ return (a = b) += c; }"));
}
void cast() {
ASSERT_EQUALS("if ( p == 0 ) { ; }", tok("if (p == (char *)0);"));
ASSERT_EQUALS("return str ;", tok("return (char *)str;"));
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 == 0 ) { ; }", tok("if (p == (char *)(char *)0);"));
ASSERT_EQUALS("if ( p == 0 ) { ; }", tok("if (p == (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;"));
ASSERT_EQUALS("if ( true )", tok("if ((unsigned char)1)")); // #4164
ASSERT_EQUALS("f ( 200 )", tok("f((unsigned char)200)"));
ASSERT_EQUALS("f ( ( char ) 1234 )", tok("f((char)1234)")); // don't simplify downcast
}
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));
}
{
const char code1[] = "static const int x=1; void f() { if(x) { a=0; } }";
ASSERT_EQUALS("void f ( ) { a = 0 ; }", 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 code[] = "a = L\"hello \" L\"world\" ;\n";
const char expected[] = "a = \"hello world\" ;";
Tokenizer tokenizer(&settings0, this);
std::istringstream istr(code);
tokenizer.tokenize(istr, "test.cpp");
ASSERT_EQUALS(expected, tokenizer.tokens()->stringifyList(0, false));
ASSERT_EQUALS(true, tokenizer.tokens()->tokAt(2)->isLong());
}
void combine_ustrings() {
const char code[] = "abc = u\"abc\";";
const char expected[] = "abc = \"abc\" ;";
Tokenizer tokenizer(&settings0, this);
std::istringstream istr(code);
tokenizer.tokenize(istr, "test.cpp");
ASSERT_EQUALS(expected, tokenizer.tokens()->stringifyList(0, false));
ASSERT_EQUALS(true, tokenizer.tokens()->tokAt(2)->isLong());
}
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 redundant_plus_numbers() {
{
const char code1[] = "void foo( int a )\n"
"{\n"
"a=a + + 1;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a ) { a = a + 1 ; }", tok(code1));
}
{
const char code1[] = "void foo( int a )\n"
"{\n"
"a=a + + + 1;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a ) { a = a + 1 ; }", tok(code1));
}
{
const char code1[] = "void foo( int a )\n"
"{\n"
"a=a + - 1;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a ) { a = a - 1 ; }", tok(code1));
}
{
const char code1[] = "void foo( int a )\n"
"{\n"
"a=a - + 1;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a ) { a = a - 1 ; }", tok(code1));
}
{
const char code1[] = "void foo( int a )\n"
"{\n"
"a=a - - 1;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a ) { a = a + 1 ; }", tok(code1));
}
{
const char code1[] = "void foo( int a )\n"
"{\n"
"a=a - + - 1;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a ) { a = a + 1 ; }", tok(code1));
}
{
const char code1[] = "void foo( int a )\n"
"{\n"
"a=a - - - 1;\n"
"}\n";
ASSERT_EQUALS("void foo ( int a ) { a = a - 1 ; }", tok(code1));
}
}
void parentheses1() {
ASSERT_EQUALS("a <= 110 ;", tok("a <= (10+100);"));
ASSERT_EQUALS("while ( x ( ) == -1 ) { }", tok("while((x()) == -1){ }"));
}
void parenthesesVar() {
// remove parentheses..
ASSERT_EQUALS("a = p ;", tok("a = (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 ( -1 == p ) { } }", 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 == 0 ) { } }", tok("void f(){int *p; if (*(p) == 0) {}}"));
ASSERT_EQUALS("void f ( ) { int * p ; if ( * p == 0 ) { } }", 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 == 0 ) { } }", 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;}"));
ASSERT_EQUALS("void f ( ) { a . b ; }", tok("void f ( ) { ( & a ) -> b ; }")); // Ticket #5776
// keep parentheses..
ASSERT_EQUALS("b = a ;", tok("b = (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 ( p >= 0 ) { ; } }", 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 code1[] = "void f ( ) { char str [ ] = \"100\" ; }";
const char expected1[] = "void f ( ) { char str [ 4 ] = \"100\" ; }";
ASSERT_EQUALS(expected1, tok(code1));
const char code2[] = "char str [ ] = \"\\x00\";";
const char expected2[] = "char str [ 2 ] = \"\\0\" ;";
ASSERT_EQUALS(expected2, tok(code2));
const char code3[] = "char str [ ] = \"\\0\";";
const char expected3[] = "char str [ 2 ] = \"\\0\" ;";
ASSERT_EQUALS(expected3, tok(code3));
const char code4[] = "char str [ ] = \"\\n\\n\";";
const char expected4[] = "char str [ 3 ] = \"\\n\\n\" ;";
ASSERT_EQUALS(expected4, tok(code4));
}
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 ( a > 10 ) { 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 ( a > 10 ) { 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));
}
}
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", tokenizeDebugListing(code));
// syntax error: assert there is no segmentation fault
ASSERT_EQUALS("\n\n##file 0\n1: else if ( x ) { }\n", tokenizeDebugListing("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 == 0 ) { coo ( ) ; } "
"else { "
"if ( f == 1 ) "
"{ "
"goo ( ) ; "
"} "
"} "
"} "
"} "
"}";
ASSERT_EQUALS(tok(expected), tok(src));
}
// Ticket #6860 - lambdas
{
const char src[] = "( []{if (ab) {cd}else if(ef) { gh } else { ij }kl}() );";
const char expected[] = "\n\n##file 0\n1: ( [ ] { if ( ab ) { cd } else { if ( ef ) { gh } else { ij } } kl } ( ) ) ;\n";
ASSERT_EQUALS(expected, tokenizeDebugListing(src));
}
{
const char src[] = "[ []{if (ab) {cd}else if(ef) { gh } else { ij }kl}() ];";
const char expected[] = "\n\n##file 0\n1: [ [ ] { if ( ab ) { cd } else { if ( ef ) { gh } else { ij } } kl } ( ) ] ;\n";
ASSERT_EQUALS(expected, tokenizeDebugListing(src));
}
{
const char src[] = "= { []{if (ab) {cd}else if(ef) { gh } else { ij }kl}() }";
const char expected[] = "\n\n##file 0\n1: = { [ ] { if ( ab ) { cd } else { if ( ef ) { gh } else { ij } } kl } ( ) }\n";
ASSERT_EQUALS(expected, tokenizeDebugListing(src));
}
}
unsigned int sizeofFromTokenizer(const char type[]) {
Tokenizer tokenizer(&settings0, this);
tokenizer.fillTypeSizes();
Token tok1;
tok1.str(type);
return tokenizer.sizeOfType(&tok1);
}
void sizeof_array() {
const char *code;
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 ; }", tok(code));
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 ; }", tok(code));
{
code = "int i[10];\n"
"sizeof(i[0]);\n";
ASSERT_EQUALS("int i [ 10 ] ; 4 ;", tok(code));
code = "int i[10];\n"
"sizeof i[0];\n";
ASSERT_EQUALS("int i [ 10 ] ; 4 ;", tok(code));
}
code = "char i[2][20];\n"
"sizeof(i[1]);\n"
"sizeof(i);";
ASSERT_EQUALS("char i [ 2 ] [ 20 ] ; 20 ; 40 ;", tok(code));
code = "char i[2][20][30];\n"
"sizeof(i[1][4][2]);\n"
"sizeof(***i);\n"
"sizeof(i[1][4]);\n"
"sizeof(**i);\n"
"sizeof(i[1]);\n"
"sizeof(*i);\n"
"sizeof(i);";
ASSERT_EQUALS("char i [ 2 ] [ 20 ] [ 30 ] ; 1 ; 1 ; 30 ; 30 ; 600 ; 600 ; 1200 ;", tok(code));
code = "sizeof(char[20]);\n"
"sizeof(char[20][3]);\n"
"sizeof(char[unknown][3]);";
ASSERT_EQUALS("20 ; 60 ; sizeof ( char [ unknown ] [ 3 ] ) ;", tok(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(), tok(code));
}
void sizeof6() {
const char code[] = ";int i;\n"
"sizeof(i);\n";
std::ostringstream expected;
expected << "; int i ; " << sizeof(int) << " ;";
ASSERT_EQUALS(expected.str(), tok(code));
}
void sizeof7() {
const char code[] = ";INT32 i[10];\n"
"sizeof(i[0]);\n";
ASSERT_EQUALS("; INT32 i [ 10 ] ; sizeof ( i [ 0 ] ) ;", tok(code, true, Settings::Native));
ASSERT_EQUALS("; int i [ 10 ] ; 4 ;", tokWithWindows(code, true, Settings::Win32A));
}
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() + " ; }", tok(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() + " ; }", tok(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() + " ; }", tok(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(), tok(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(), tok(code));
}
{
// Ticket #799
const char code[] = "; const char str[] = {'1'}; sizeof(str);";
ASSERT_EQUALS("; const char str [ 1 ] = { '1' } ; 1 ;", tok(code));
}
{
// Ticket #2087
const char code[] = "; const char str[] = {\"abc\"}; sizeof(str);";
ASSERT_EQUALS("; const char str [ 4 ] = \"abc\" ; 4 ;", tok(code));
}
// ticket #716 - sizeof string
{
std::ostringstream expected;
expected << "; " << (sizeof "123") << " ;";
ASSERT_EQUALS(expected.str(), tok("; sizeof \"123\";"));
ASSERT_EQUALS(expected.str(), tok("; 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(), tok(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(), tok(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(), tok(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(), tok(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(), tok(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(), tok(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(), tok(code));
}
{
std::ostringstream expected;
expected << "; " << sizeof("\"quote\"");
ASSERT_EQUALS(expected.str(), tok("; 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 ; "
"long size ; size = sizeof ( m ) / sizeof ( um ) ;";
ASSERT_EQUALS(code, tok(code, true, Settings::Win32A));
}
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));
// #5064 - sizeof !! (a == 1);
ASSERT_EQUALS("sizeof ( ! ! ( a == 1 ) ) ;", tok("sizeof !!(a==1);"));
}
void sizeof15() {
// ticket #1020
tok("void f()\n"
"{\n"
" int *n;\n"
" sizeof *(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 ( sizeof ( a ) ) . 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() {
// sizeof from library
const char code[] = "foo(sizeof(uint32_t), sizeof(std::uint32_t));";
TODO_ASSERT_EQUALS("foo ( 4 , 4 ) ;", "foo ( 4 , sizeof ( std :: uint32_t ) ) ;", tokWithStdLib(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 char expected[] = "void f ( ) { for ( int i = 0 ; i < 3 ; ++ i ) { } }";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "void f()\n"
"{\n"
" p = const_cast<char *> qtu ();\n"
"}\n";
const char expected[] = "void f ( ) { p = const_cast < char * > qtu ( ) ; }";
ASSERT_EQUALS(expected, tok(code));
}
{
// ticket #645
const char code[] = "void f()\n"
"{\n"
" return dynamic_cast<Foo *>((bar()));\n"
"}\n";
const char expected[] = "void f ( ) { return bar ( ) ; }";
ASSERT_EQUALS(expected, tok(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 strlen2() {
// #4530 - make sure calculation with strlen is simplified
ASSERT_EQUALS("i = -4 ;",
tok("i = (strlen(\"abcd\") - 8);"));
}
void namespaces() {
{
const char code[] = "namespace std { }";
ASSERT_EQUALS("", tok(code));
}
{
const char code[] = "; namespace std { }";
ASSERT_EQUALS(";", tok(code));
}
{
const char code[] = "using namespace std; namespace a{ namespace b{ void f(){} } }";
const char expected[] = "namespace a { namespace b { void f ( ) { } } }";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "namespace b{ void f(){} }";
const char expected[] = "namespace b { void f ( ) { } }";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "void f(int namespace) { }";
const char expected[] = "void f ( int namespace ) { }";
ASSERT_EQUALS(expected, tok(code));
}
}
std::string simplifyIfAndWhileAssign(const char code[]) {
// tokenize..
Tokenizer tokenizer(&settings0, this);
std::istringstream istr(code);
tokenizer.tokenize(istr, "test.cpp");
tokenizer.simplifyIfAndWhileAssign();
return tokenizer.tokens()->stringifyList(0, false);
}
void ifassign1() {
ASSERT_EQUALS("; a = b ; if ( a ) { ; }", simplifyIfAndWhileAssign(";if(a=b);"));
ASSERT_EQUALS("; a = b ( ) ; if ( a ) { ; }", simplifyIfAndWhileAssign(";if((a=b()));"));
ASSERT_EQUALS("; a = b ( ) ; if ( ! ( a ) ) { ; }", simplifyIfAndWhileAssign(";if(!(a=b()));"));
ASSERT_EQUALS("; a . x = b ( ) ; if ( ! ( a . x ) ) { ; }", simplifyIfAndWhileAssign(";if(!(a->x=b()));"));
ASSERT_EQUALS("void f ( ) { A ( ) a = b ; if ( a ) { ; } }", simplifyIfAndWhileAssign("void f() { A() if(a=b); }"));
ASSERT_EQUALS("void foo ( int a ) { a = b ( ) ; if ( a >= 0 ) { ; } }", 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 *expected = "void foo ( ) "
"{ "
"FILE * f ; "
"f = fopen ( \"foo\" , \"r\" ) ; "
"if ( f == NULL ) "
"{ "
"return -1 ; "
"} "
"fclose ( f ) ; "
"}";
ASSERT_EQUALS(expected, tok(code));
}
void whileAssign1() {
ASSERT_EQUALS("; a = b ; while ( a ) { b = 0 ; a = b ; }", simplifyIfAndWhileAssign(";while(a=b) { b = 0; }"));
ASSERT_EQUALS("; a . b = c ; while ( a . b ) { c = 0 ; a . b = c ; }", simplifyIfAndWhileAssign(";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
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());
}
void whileAssign3() {
// #4254 - Variable id
const char code[] = "void f() {\n"
" int a;\n"
" while (a = x());\n"
"}";
ASSERT_EQUALS("\n\n##file 0\n"
"1: void f ( ) {\n"
"2: int a@1 ;\n"
"3: a@1 = x ( ) ; while ( a@1 ) { ; a@1 = x ( ) ; }\n"
"4: }\n", tokenizeDebugListing(code, true, "test.c"));
}
void whileAssign4() {
errout.str("");
Tokenizer tokenizer(&settings0, this);
std::istringstream istr("; while (!(m = q->push<Message>(x))) {}");
tokenizer.tokenize(istr, "test.cpp");
tokenizer.simplifyTokenList2();
ASSERT_EQUALS("; m = q . push < Message > ( x ) ; while ( ! m ) { m = q . push < Message > ( x ) ; }", tokenizer.tokens()->stringifyList(0, false));
ASSERT(tokenizer.tokens()->tokAt(26) != nullptr);
if (tokenizer.tokens()->tokAt(26)) {
ASSERT(tokenizer.tokens()->linkAt(6) == tokenizer.tokens()->tokAt(8));
ASSERT(tokenizer.tokens()->linkAt(24) == tokenizer.tokens()->tokAt(26));
}
}
void doWhileAssign() {
ASSERT_EQUALS("; do { a = b ; } while ( a ) ;", simplifyIfAndWhileAssign(";do { } while(a=b);"));
ASSERT_EQUALS("; do { a . a = 0 ; a . b = c ; } while ( a . b ) ;", simplifyIfAndWhileAssign(";do { a.a = 0; } while(a.b=c);"));
ASSERT_EQUALS("struct hfs_bnode * node ; "
"struct hfs_btree * tree ; "
"do { node = tree . node_hash [ i ++ ] ; } while ( node ) ;",
tok("struct hfs_bnode *node;"
"struct hfs_btree *tree;"
"do { } while((node = tree->node_hash[i++]));"));
ASSERT_EQUALS("char * s ; do { s = new char [ 10 ] ; } while ( ! s ) ;",
tok("char *s; do { } while (0 == (s=new char[10]));"));
// #4911
ASSERT_EQUALS("; do { current = f ( ) ; } while ( ( current ) != NULL ) ;", simplifyIfAndWhileAssign(";do { } while((current=f()) != NULL);"));
}
void not1() {
ASSERT_EQUALS("void f ( ) { if ( ! p ) { ; } }", tok("void f() { if (not p); }", "test.c", false));
ASSERT_EQUALS("void f ( ) { if ( p && ! q ) { ; } }", tok("void f() { if (p && not q); }", "test.c", false));
ASSERT_EQUALS("void f ( ) { a = ! ( p && q ) ; }", tok("void f() { a = not(p && q); }", "test.c", false));
// Don't simplify 'not' or 'compl' if they are defined as a type;
// in variable declaration and in function declaration/definition
ASSERT_EQUALS("struct not { int x ; } ;", tok("struct not { int x; };", "test.c", false));
ASSERT_EQUALS("void f ( ) { not p ; compl c ; }", tok(" void f() { not p; compl c; }", "test.c", false));
ASSERT_EQUALS("void foo ( not i ) ;", tok("void foo(not i);", "test.c", false));
ASSERT_EQUALS("int foo ( not i ) { return g ( i ) ; }", tok("int foo(not i) { return g(i); }", "test.c", false));
}
void and1() {
ASSERT_EQUALS("void f ( ) { if ( p && q ) { ; } }",
tok("void f() { if (p and q) ; }", "test.c", false));
ASSERT_EQUALS("void f ( ) { if ( foo ( ) && q ) { ; } }",
tok("void f() { if (foo() and q) ; }", "test.c", false));
ASSERT_EQUALS("void f ( ) { if ( foo ( ) && bar ( ) ) { ; } }",
tok("void f() { if (foo() and bar()) ; }", "test.c", false));
ASSERT_EQUALS("void f ( ) { if ( p && bar ( ) ) { ; } }",
tok("void f() { if (p and bar()) ; }", "test.c", false));
ASSERT_EQUALS("void f ( ) { if ( p && ! q ) { ; } }",
tok("void f() { if (p and not q) ; }", "test.c", false));
ASSERT_EQUALS("void f ( ) { r = a && b ; }",
tok("void f() { r = a and b; }", "test.c", false));
ASSERT_EQUALS("void f ( ) { r = ( a || b ) && ( c || d ) ; }",
tok("void f() { r = (a || b) and (c || d); }", "test.c", false));
ASSERT_EQUALS("void f ( ) { if ( test1 [ i ] == 'A' && test2 [ i ] == 'C' ) { } }",
tok("void f() { if (test1[i] == 'A' and test2[i] == 'C') {} }", "test.c", false));
}
void or1() {
ASSERT_EQUALS("void f ( ) { if ( p || q ) { ; } }",
tok("void f() { if (p or q) ; }", "test.c", false));
ASSERT_EQUALS("void f ( ) { if ( foo ( ) || q ) { ; } }",
tok("void f() { if (foo() or q) ; }", "test.c", false));
ASSERT_EQUALS("void f ( ) { if ( foo ( ) || bar ( ) ) { ; } }",
tok("void f() { if (foo() or bar()) ; }", "test.c", false));
ASSERT_EQUALS("void f ( ) { if ( p || bar ( ) ) { ; } }",
tok("void f() { if (p or bar()) ; }", "test.c", false));
ASSERT_EQUALS("void f ( ) { if ( p || ! q ) { ; } }",
tok("void f() { if (p or not q) ; }", "test.c", false));
ASSERT_EQUALS("void f ( ) { r = a || b ; }",
tok("void f() { r = a or b; }", "test.c", false));
ASSERT_EQUALS("void f ( ) { r = ( a && b ) || ( c && d ) ; }",
tok("void f() { r = (a && b) or (c && d); }", "test.c", false));
}
void cAlternativeTokens() {
ASSERT_EQUALS("void f ( ) { err |= ( ( r & s ) && ! t ) ; }",
tok("void f() { err or_eq ((r bitand s) and not t); }", "test.c", false));
ASSERT_EQUALS("void f ( ) const { r = f ( a [ 4 ] | 15 , ~ c , ! d ) ; }",
tok("void f() const { r = f(a[4] bitor 0x0F, compl c, not d) ; }", "test.c", false));
}
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 ; }", tok(code));
}
{
const char code[] = "void foo()\n"
"{\n"
" struct A *a, *b;\n"
"}\n";
ASSERT_EQUALS("void foo ( ) { struct A * a ; struct A * b ; }", tok(code));
}
{
const char code[] = "void foo()\n"
"{\n"
" struct A **a, **b;\n"
"}\n";
ASSERT_EQUALS("void foo ( ) { struct A * * a ; struct A * * b ; }", tok(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 ; b ; }", tok(code));
}
{
const char code[] = "void foo()\n"
"{\n"
" char *a, *b, *c;\n"
" delete a, b, c;\n"
"}\n";
// delete a; b; c; would be better but this will do too
ASSERT_EQUALS("void foo ( ) { char * a ; char * b ; char * c ; delete a ; b , c ; }", tok(code));
}
{
const char code[] = "void foo()\n"
"{\n"
" char *a, *b;\n"
" if (x) \n"
" delete a, b;\n"
"}\n";
ASSERT_EQUALS("void foo ( ) { char * a ; char * b ; if ( x ) { delete a ; b ; } }", tok(code));
}
{
const char code[] = "void foo()\n"
"{\n"
" char *a, *b, *c;\n"
" if (x) \n"
" delete a, b, c;\n"
"}\n";
// delete a; b; c; would be better but this will do too
ASSERT_EQUALS("void foo ( ) { char * a ; char * b ; char * c ; if ( x ) { delete a ; b , c ; } }", tok(code));
}
{
const char code[] = "void foo()\n"
"{\n"
" char **a, **b, **c;\n"
"}\n";
ASSERT_EQUALS("void foo ( ) { char * * a ; char * * b ; char * * c ; }", tok(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 ; "
"}", tok(code));
}
{
const char code[] = "void foo()\n"
"{\n"
" delete [] a, a = 0;\n"
"}\n";
ASSERT_EQUALS("void foo ( ) { delete [ ] a ; a = 0 ; }", tok(code));
}
{
const char code[] = "void foo()\n"
"{\n"
" delete a, a = 0;\n"
"}\n";
ASSERT_EQUALS("void foo ( ) { delete a ; a = 0 ; }", tok(code));
}
{
const char code[] = "void foo()\n"
"{\n"
" if( x ) delete a, a = 0;\n"
"}\n";
ASSERT_EQUALS("void foo ( ) { if ( x ) { delete a ; a = 0 ; } }", tok(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 ) { ; } }", tok(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 ; }", tok(code));
}
{
// #4786 - don't replace , with ; in ".. : public B, C .." code
const char code[] = "template < class T = X > class A : public B , C { } ;";
ASSERT_EQUALS(code, tok(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 ; } }", tok(code));
}
{
ASSERT_EQUALS("a ? ( b = c , d ) : e ;", tok("a ? b = c , d : e ;")); // Keep comma
}
{
ASSERT_EQUALS("; return a ? ( b = c , d ) : e ;", tok("; return a ? b = c , d : e ;")); // Keep comma
}
{
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 ; } }", tok(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 > ( ) ; }", tok(code));
}
{
const char code[] = "void f() {\n"
" a = new std::map<std::string, std::string>;\n"
"}\n";
ASSERT_EQUALS("void f ( ) { a = new std :: map < std :: string , std :: string > ; }", tok(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, tok(code));
}
{
const char code[] = "int foo ()\n"
"{\n"
" return doSomething(), 0;\n"
"}\n";
const char expected[] = "int foo ( ) "
"{"
" doSomething ( ) ; return 0 ; "
"}";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "int foo ()\n"
"{\n"
" return a=1, b=2;\n"
"}\n";
const char expected[] = "int foo ( ) "
"{"
" a = 1 ; return b = 2 ; "
"}";
ASSERT_EQUALS(expected, tok(code));
}
{
const char code[] = "tr = (struct reg){ .a = (1), .c = (2) };";
const char expected[] = "tr = ( struct reg ) { . a = 1 , . c = 2 } ;";
ASSERT_EQUALS(expected, tok(code));
}
}
void simplifyConditionOperator() {
{
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[] = "void f () { switch(n) { case 1?0:foo(): break; }}";
ASSERT_EQUALS("void f ( ) { switch ( n ) { case 0 : ; break ; } }", tok(code));
}
{
const char code[] = "void f () { switch(n) { case 1?0?1:0:foo(): break; }}";
TODO_ASSERT_EQUALS("void f ( ) { switch ( n ) { case 0 : ; break ; } }", "void f ( ) { switch ( n ) { case ( 0 ) : ; break ; } }", tok(code));
}
{
const char code[] = "void f () { switch(n) { case 0?foo():1: break; }}";
ASSERT_EQUALS("void f ( ) { switch ( n ) { case 1 : ; break ; } }", 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 [ 2 ] = { 19 , 1 } ;", tok(code));
}
{
const char code[] = "int vals[] = { 0x13, 0?0x01:0x00 };";
ASSERT_EQUALS("int vals [ 2 ] = { 19 , 0 } ;", tok(code));
}
{
const char code[] = "a = 1 ? 0 : ({ 0; });";
ASSERT_EQUALS("a = 0 ;", tok(code));
}
//GNU extension: "x ?: y" <-> "x ? x : y"
{
const char code[] = "; a = 1 ? : x; b = 0 ? : 2;";
ASSERT_EQUALS("; a = 1 ; b = 2 ;", tok(code));
}
// Ticket #3572 (segmentation fault)
ASSERT_EQUALS("0 ; x = { ? y : z ; }", tok("0; x = { ? y : z; }"));
{
// #3922 - (true)
ASSERT_EQUALS("; x = 2 ;", tok("; x = (true)?2:4;"));
ASSERT_EQUALS("; x = 4 ;", tok("; x = (false)?2:4;"));
ASSERT_EQUALS("; x = * a ;", tok("; x = (true)?*a:*b;"));
ASSERT_EQUALS("; x = * b ;", tok("; x = (false)?*a:*b;"));
ASSERT_EQUALS("void f ( ) { return 1 ; }", tok("void f() { char *p=0; return (p==0)?1:2; }"));
}
}
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[] ( long ) ;", tok(code, true, Settings::Win32A));
}
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);"));
ASSERT_EQUALS("( 4 ) ;", tok("(1 * 2 / 1 * 2);")); // #3722
ASSERT_EQUALS("x ( 60129542144 ) ;", tok("x(14<<4+17<<300%17);")); // #4931
ASSERT_EQUALS("x ( 1 ) ;", tok("x(8|5&6+0 && 7);")); // #6104
ASSERT_EQUALS("x ( 1 ) ;", tok("x(2 && 4<<4<<5 && 4);")); // #4933
ASSERT_EQUALS("x ( 1 ) ;", tok("x(9&&8%5%4/3);")); // #4931
ASSERT_EQUALS("x ( 1 ) ;", tok("x(2 && 2|5<<2%4);")); // #4931
ASSERT_EQUALS("x ( -2 << 6 | 1 ) ;", tok("x(1-3<<6|5/3);")); // #4931
ASSERT_EQUALS("x ( 2 ) ;", tok("x(2|0*0&2>>1+0%2*1);")); // #4931
ASSERT_EQUALS("x ( 0 & 4 != 1 ) ;", tok("x(4%1<<1&4!=1);")); // #4931 (can be simplified further but it's not a problem)
ASSERT_EQUALS("x ( true ) ;", tok("x(0&&4>0==2||4);")); // #4931
// don't remove these spaces..
ASSERT_EQUALS("new ( auto ) ( 4 ) ;", tok("new (auto)(4);"));
}
void comparisons() {
ASSERT_EQUALS("( 1 ) ;", tok("( 1 < 2 );"));
ASSERT_EQUALS("( x && true ) ;", tok("( x && 1 < 2 );"));
ASSERT_EQUALS("( 5 ) ;", tok("( 1 < 2 && 3 < 4 ? 5 : 6 );"));
ASSERT_EQUALS("( 6 ) ;", tok("( 1 > 2 && 3 > 4 ? 5 : 6 );"));
}
void simplifyFlowControl() {
const char code1[] = "void f() {\n"
" return;\n"
" y();\n"
"}";
ASSERT_EQUALS("void f ( ) { return ; }", tokWithStdLib(code1));
const char code2[] = "void f() {\n"
" exit(0);\n"
" y();\n"
"}";
ASSERT_EQUALS("void f ( ) { exit ( 0 ) ; }", tokWithStdLib(code2));
const char code3[] = "void f() {\n"
" x.abort();\n"
" y();\n"
"}";
ASSERT_EQUALS("void f ( ) { x . abort ( ) ; y ( ) ; }", tokWithStdLib(code3));
}
void flowControl() {
{
ASSERT_EQUALS("void f ( ) { exit ( 0 ) ; }", tokWithStdLib("void f() { exit(0); foo(); }"));
ASSERT_EQUALS("void f ( ) { exit ( 0 ) ; }", tokWithStdLib("void f() { exit(0); if (m) foo(); }"));
ASSERT_EQUALS("void f ( int n ) { if ( n ) { exit ( 0 ) ; } foo ( ) ; }", tokWithStdLib("void f(int n) { if (n) { exit(0); } foo(); }"));
ASSERT_EQUALS("void f ( ) { exit ( 0 ) ; }", tokWithStdLib("void f() { exit(0); dead(); switch (n) { case 1: deadcode () ; default: deadcode (); } }"));
ASSERT_EQUALS("int f ( int n ) { switch ( n ) { case 0 : ; exit ( 0 ) ; default : ; exit ( 0 ) ; } exit ( 0 ) ; }",
tokWithStdLib("int f(int n) { switch (n) {case 0: exit(0); n*=2; default: exit(0); n*=6;} exit(0); foo();}"));
//ticket #3132
ASSERT_EQUALS("void f ( int i ) { goto label ; { label : ; exit ( 0 ) ; } }", tokWithStdLib("void f (int i) { goto label; switch(i) { label: exit(0); } }"));
//ticket #3148
ASSERT_EQUALS("void f ( ) { MACRO ( exit ( 0 ) ) }", tokWithStdLib("void f() { MACRO(exit(0)) }"));
ASSERT_EQUALS("void f ( ) { MACRO ( exit ( 0 ) ; , NULL ) }", tokWithStdLib("void f() { MACRO(exit(0);, NULL) }"));
ASSERT_EQUALS("void f ( ) { MACRO ( bar1 , exit ( 0 ) ) }", tokWithStdLib("void f() { MACRO(bar1, exit(0)) }"));
ASSERT_EQUALS("void f ( ) { MACRO ( exit ( 0 ) ; bar2 , foo ) }", tokWithStdLib("void f() { MACRO(exit(0); bar2, foo) }"));
}
{
const char* code = "void f(){ "
" if (k>0) goto label; "
" exit(0); "
" if (tnt) "
" { "
" { "
" check(); "
" k=0; "
" } "
" label: "
" bar(); "
" } "
"}";
ASSERT_EQUALS("void f ( ) { if ( k > 0 ) { goto label ; } exit ( 0 ) ; { label : ; bar ( ) ; } }", tokWithStdLib(code));
}
{
const char* code = "void foo () {"
" exit(0);"
" {"
" boo();"
" while (n) { --n; }"
" {"
" label:"
" ok();"
" }"
" }"
"}";
ASSERT_EQUALS("void foo ( ) { exit ( 0 ) ; { label : ; ok ( ) ; } }", tokWithStdLib(code));
}
{
const char* code = "void foo () {"
" exit(0);"
" switch (n) {"
" case 1:"
" label:"
" foo(); break;"
" default:"
" break;"
" }"
"}";
const char* expected = "void foo ( ) { exit ( 0 ) ; { label : ; foo ( ) ; break ; } }";
ASSERT_EQUALS(expected, tokWithStdLib(code));
}
{
const char* code = "void foo () {"
" exit(0);"
" switch (n) {"
" case 1:"
" {"
" foo();"
" }"
" label:"
" bar();"
" }"
"}";
const char* expected = "void foo ( ) { exit ( 0 ) ; { label : ; bar ( ) ; } }";
ASSERT_EQUALS(expected, tokWithStdLib(code));
}
{
const char* code = "void foo () {"
" exit(0);"
" switch (n) {"
" case a:"
" {"
" foo();"
" }"
" case b|c:"
" bar();"
" }"
"}";
const char* expected = "void foo ( ) { exit ( 0 ) ; }";
ASSERT_EQUALS(expected, tokWithStdLib(code));
}
{
const char* code = "void foo () {"
" exit(0);"
" switch (n) {"
" case 1:"
" label:"
" foo(); break;"
" default:"
" break; break;"
" }"
"}";
const char* expected = "void foo ( ) { exit ( 0 ) ; { label : ; foo ( ) ; break ; } }";
ASSERT_EQUALS(expected, tokWithStdLib(code));
}
{
const char* code = "void foo () {"
" exit(0);"
" switch (n) {"
" case 1:"
" label:"
" foo(); break; break;"
" default:"
" break;"
" }"
"}";
const char* expected = "void foo ( ) { exit ( 0 ) ; { label : ; foo ( ) ; break ; } }";
ASSERT_EQUALS(expected, tokWithStdLib(code));
}
{
const char* code = "void foo () {"
" exit(0);"
" switch (n) {"
" case 1:"
" label:"
" foo(); break; break;"
" default:"
" break; break;"
" }"
"}";
const char* expected = "void foo ( ) { exit ( 0 ) ; { label : ; foo ( ) ; break ; } }";
ASSERT_EQUALS(expected, tokWithStdLib(code));
}
{
const char* code = "int f() { "
"switch (x) { case 1: exit(0); bar(); tack; { ticak(); exit(0) } exit(0);"
"case 2: exit(0); { random(); } tack(); "
"switch(y) { case 1: exit(0); case 2: exit(0); } "
"exit(0); } exit(0); }";
ASSERT_EQUALS("int f ( ) { switch ( x ) { case 1 : ; exit ( 0 ) ; case 2 : ; exit ( 0 ) ; } exit ( 0 ) ; }",tokWithStdLib(code));
}
{
const char* code = "int f() {"
"switch (x) { case 1: exit(0); bar(); tack; { ticak(); exit(0); } exit(0);"
"case 2: switch(y) { case 1: exit(0); bar2(); foo(); case 2: exit(0); }"
"exit(0); } exit(0); }";
const char* expected = "int f ( ) {"
" switch ( x ) { case 1 : ; exit ( 0 ) ;"
" case 2 : ; switch ( y ) { case 1 : ; exit ( 0 ) ; case 2 : ; exit ( 0 ) ; }"
" exit ( 0 ) ; } exit ( 0 ) ; }";
ASSERT_EQUALS(expected,tokWithStdLib(code));
}
{
const char* code = "void foo () {"
" switch (i) { case 0: switch (j) { case 0: exit(0); }"
" case 1: switch (j) { case -1: exit(0); }"
" case 2: switch (j) { case -2: exit(0); }"
" case 3: if (blah6) {exit(0);} break; } }";
const char* expected = "void foo ( ) {"
" switch ( i ) { case 0 : ; switch ( j ) { case 0 : ; exit ( 0 ) ; }"
" case 1 : ; switch ( j ) { case -1 : ; exit ( 0 ) ; }"
" case 2 : ; switch ( j ) { case -2 : ; exit ( 0 ) ; }"
" case 3 : ; if ( blah6 ) { exit ( 0 ) ; } break ; } }";
ASSERT_EQUALS(expected, tokWithStdLib(code));
}
{
const char* code = "void foo () {"
" exit(0);"
" switch (i) { case 0: switch (j) { case 0: foo(); }"
" case 1: switch (j) { case -1: bar(); label:; ok(); }"
" case 3: if (blah6) { boo(); break; } } }";
const char* expected = "void foo ( ) { exit ( 0 ) ; { { label : ; ok ( ) ; } case 3 : ; if ( blah6 ) { boo ( ) ; break ; } } }";
ASSERT_EQUALS(expected, tokWithStdLib(code));
}
{
const char* code = "void foo() {"
" switch ( t ) {"
" case 0:"
" if ( t ) switch ( b ) {}"
" break;"
" case 1:"
" exit(0);"
" return 0;"
" }"
" return 0;"
"}";
const char* expected = "void foo ( ) {"
" switch ( t ) {"
" case 0 : ;"
" if ( t ) { switch ( b ) { } }"
" break ;"
" case 1 : ;"
" exit ( 0 ) ;"
" }"
" return 0 ; "
"}";
ASSERT_EQUALS(expected, tokWithStdLib(code));
}
{
const char code[] = "void foo()\n"
"{\n"
" A *a = 0;\n"
" if (!a) {\n"
" nondeadcode;\n"
" return;\n"
" dead;\n"
" }\n"
" stilldead;\n"
" a->_a;\n"
"}\n";
const char expected[] = "void foo ( ) "
"{"
" A * a ; a = 0 ; {"
" nondeadcode ;"
" return ;"
" } "
"}";
ASSERT_EQUALS(expected, tokWithStdLib(code));
}
{
const char code[] = "class Fred\n"
"{\n"
"public:\n"
" bool foo() const { return f; }\n"
" bool exit();\n"
"\n"
"private:\n"
" bool f;\n"
"};\n";
const char expected[] = "class Fred "
"{"
" public:"
" bool foo ( ) const { return f ; }"
" bool exit ( ) ;"
""
" private:"
" bool f ; "
"} ;";
ASSERT_EQUALS(expected, tokWithStdLib(code));
}
{
const char code[] = "class abort { };\n"
"\n"
"class Fred\n"
"{\n"
" public:\n"
" bool foo() const { return f; }\n"
" abort exit();\n"
"\n"
" private:\n"
"bool f;\n"
"};\n";
const char expected[] = "class abort { } ; "
"class Fred "
"{"
" public:"
" bool foo ( ) const { return f ; }"
" abort exit ( ) ;"
""
" private:"
" bool f ; "
"} ;";
ASSERT_EQUALS(expected, tokWithStdLib(code));
}
ASSERT_EQUALS("void foo ( ) { exit ( 0 ) ; }",
tokWithStdLib("void foo() { do { exit(0); } while (true); }"));
// #6187
tokWithStdLib("void foo() {\n"
" goto label;\n"
" for (int i = 0; i < 0; ++i) {\n"
" ;\n"
"label:\n"
" ;\n"
" }\n"
"}");
}
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 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 simplifyOperator1() {
// #3237 - error merging namespaces with operators
const char code[] = "class c {\n"
"public:\n"
" operator std::string() const;\n"
" operator string() const;\n"
"};\n";
const char expected[] = "class c { "
"public: "
"operatorstd::string ( ) const ; "
"operatorstring ( ) const ; "
"} ;";
ASSERT_EQUALS(expected, tok(code));
}
void simplifyOperator2() {
// #6576
ASSERT_EQUALS("template < class T > class SharedPtr { "
"SharedPtr & operator= ( SharedPtr < Y > const & r ) ; "
"} ; "
"class TClass { "
"public: TClass & operator= ( const TClass & rhs ) ; "
"} ; "
"TClass :: TClass ( const TClass & other ) { operator= ( other ) ; }",
tok("template<class T>\n"
" class SharedPtr {\n"
" SharedPtr& operator=(SharedPtr<Y> const & r);\n"
"};\n"
"class TClass {\n"
"public:\n"
" TClass& operator=(const TClass& rhs);\n"
"};\n"
"TClass::TClass(const TClass &other) {\n"
" operator=(other);\n"
"}"));
}
void simplifyArrayAccessSyntax() {
ASSERT_EQUALS("\n\n##file 0\n"
"1: int a@1 ; a@1 [ 13 ] ;\n", tokenizeDebugListing("int a; 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));
}
{
// #7849
const char code[] =
"void f() {\n"
"if (-1e-2 == -0.01) \n"
" g();\n"
"else\n"
" h();\n"
"}";
ASSERT_EQUALS("void f ( ) { if ( -1e-2 == -0.01 ) { g ( ) ; } else { h ( ) ; } }",
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));
}
{
const char code[] =
"void f(int a)\n"
"{\n"
"if (a || true || b) g();\n"
"}";
ASSERT_EQUALS("void f ( int a ) { g ( ) ; }", tok(code));
}
{
const char code[] =
"void f(int a)\n"
"{\n"
"if (a && false && b) g();\n"
"}";
ASSERT_EQUALS("void f ( int a ) { }", tok(code));
}
{
const char code[] =
"void f(int a)\n"
"{\n"
"if (a || (b && false && c) || d) g();\n"
"}";
ASSERT_EQUALS("void f ( int a ) { if ( a || d ) { g ( ) ; } }", tok(code));
}
{
const char code[] =
"void f(int a)\n"
"{\n"
"if ((a && b) || true || (c && d)) g();\n"
"}";
ASSERT_EQUALS("void f ( int a ) { g ( ) ; }", tok(code));
}
{
// #4931
const char code[] =
"void f() {\n"
"if (12 && 7) g();\n"
"}";
ASSERT_EQUALS("void f ( ) { g ( ) ; }", tok(code));
}
}
void pointeralias1() {
{
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));
}
}
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[] = "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 while0() {
ASSERT_EQUALS("; x = 1 ;", tok("; do { x = 1 ; } while (0);"));
ASSERT_EQUALS("; return 0 ;", tok("; do { return 0; } while (0);"));
ASSERT_EQUALS("void foo ( ) { goto label ; }", tok("void foo() { do { goto label; } while (0); }"));
ASSERT_EQUALS("; { continue ; }", tok("; do { continue ; } while (0);"));
ASSERT_EQUALS("; { break ; }", tok("; do { break; } while (0);"));
ASSERT_EQUALS(";", tok("; while (false) { a; }"));
ASSERT_EQUALS(";", tok("; while (false) { switch (n) { case 0: return; default: break; } n*=1; }"));
}
void while0for() {
// for (condition is always false)
ASSERT_EQUALS("void f ( ) { int i ; for ( i = 0 ; i < 0 ; i ++ ) { } }", tok("void f() { int i; for (i = 0; i < 0; i++) { a; } }"));
//ticket #3140
ASSERT_EQUALS("void f ( ) { int i ; for ( i = 0 ; i < 0 ; i ++ ) { } }", tok("void f() { int i; for (i = 0; i < 0; i++) { foo(); break; } }"));
ASSERT_EQUALS("void f ( ) { int i ; for ( i = 0 ; i < 0 ; i ++ ) { } }", tok("void f() { int i; for (i = 0; i < 0; i++) { foo(); continue; } }"));
ASSERT_EQUALS("void f ( ) { }", tok("void f() { for (int i = 0; i < 0; i++) { a; } }"));
ASSERT_EQUALS("void f ( ) { }", tok("void f() { for (unsigned int i = 0; i < 0; i++) { a; } }"));
ASSERT_EQUALS("void f ( ) { }", tok("void f() { for (long long i = 0; i < 0; i++) { a; } }"));
ASSERT_EQUALS("void f ( ) { }", tok("void f() { for (signed long long i = 0; i < 0; i++) { a; } }"));
ASSERT_EQUALS("void f ( ) { }", tok("void f() { int n = 0; for (signed long long i = 0; i < n; i++) { a; } }"));
// #8059
ASSERT_EQUALS("void f ( ) { int i ; for ( i = 0 ; i < 0 ; ++ i ) { } return i ; }", tok("void f() { int i; for (i=0;i<0;++i){ dostuff(); } return i; }"));
}
void while1() {
// ticket #1197
const char code[] = "void do {} while (0) { }";
const char expected[] = "void { }";
ASSERT_EQUALS(expected, tok(code));
}
void duplicateDefinition() { // #3565 - wrongly detects duplicate definition
Tokenizer tokenizer(&settings0, this);
std::istringstream istr("x ; return a not_eq x;");
tokenizer.tokenize(istr, "test.c");
Token *x_token = tokenizer.list.front()->tokAt(5);
ASSERT_EQUALS(false, tokenizer.duplicateDefinition(&x_token));
}
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++; }"));
ASSERT_EQUALS("void test ( ) { c . f ( 7 ) ; }",
tok("void test() { c.f(7); T3 &t3 = c; }")); // #6133
}
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, 0);"));
ASSERT_EQUALS("; free ( q ) ; p = 0 ;", tok("; p = realloc(q, 0);"));
ASSERT_EQUALS("; free ( * q ) ; p = 0 ;", tok("; p = realloc(*q, 0);"));
ASSERT_EQUALS("; free ( f ( z ) ) ; p = 0 ;", tok("; p = realloc(f(z), 0);"));
ASSERT_EQUALS("; p = malloc ( n * m ) ;", tok("; p = realloc(0, n*m);"));
ASSERT_EQUALS("; p = malloc ( f ( 1 ) ) ;", tok("; p = realloc(0, f(1));"));
}
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:r1 = fclose ( f ) ; "
"while ( cppcheck:r1 ) "
"{ "
"foo ( ) ; "
"cppcheck:r1 = fclose ( f ) ; "
"}",
tok("while(fclose(f))foo();"));
ASSERT_EQUALS("int cppcheck:r1 = fclose ( f ) ; "
"while ( cppcheck:r1 ) "
"{ "
"; cppcheck:r1 = fclose ( f ) ; "
"}",
tok("while(fclose(f));"));
ASSERT_EQUALS("int cppcheck:r1 = fclose ( f ) ; "
"while ( cppcheck:r1 ) "
"{ "
"; cppcheck:r1 = fclose ( f ) ; "
"} "
"int cppcheck:r2 = fclose ( g ) ; "
"while ( cppcheck:r2 ) "
"{ "
"; cppcheck:r2 = fclose ( g ) ; "
"}",
tok("while(fclose(f)); while(fclose(g));"));
}
void simplifyStructDecl1() {
{
const char code[] = "struct ABC { } abc;";
const char expected[] = "struct ABC { } ; struct ABC abc ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "struct ABC { } * pabc;";
const char expected[] = "struct ABC { } ; struct ABC * pabc ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "struct ABC { } abc[4];";
const char expected[] = "struct ABC { } ; struct ABC abc [ 4 ] ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "struct ABC { } abc, def;";
const char expected[] = "struct ABC { } ; struct ABC abc ; struct ABC def ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "struct ABC { } abc, * pabc;";
const char expected[] = "struct ABC { } ; struct ABC abc ; struct ABC * pabc ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "struct ABC { struct DEF {} def; } abc;";
const char expected[] = "struct ABC { struct DEF { } ; struct DEF def ; } ; struct ABC abc ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "struct { } abc;";
const char expected[] = "struct Anonymous0 { } ; struct Anonymous0 abc ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "struct { } * pabc;";
const char expected[] = "struct Anonymous0 { } ; struct Anonymous0 * pabc ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "struct { } abc[4];";
const char expected[] = "struct Anonymous0 { } ; struct Anonymous0 abc [ 4 ] ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "struct {int a;} const array[3] = {0};";
const char expected[] = "struct Anonymous0 { int a ; } ; struct Anonymous0 const array [ 3 ] = { 0 } ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "static struct {int a;} const array[3] = {0};";
const char expected[] = "struct Anonymous0 { int a ; } ; static struct Anonymous0 const array [ 3 ] = { 0 } ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "struct { } abc, def;";
const char expected[] = "struct Anonymous0 { } ; struct Anonymous0 abc ; struct Anonymous0 def ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "struct { } abc, * pabc;";
const char expected[] = "struct Anonymous0 { } ; struct Anonymous0 abc ; struct Anonymous0 * pabc ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "struct { struct DEF {} def; } abc;";
const char expected[] = "struct Anonymous0 { struct DEF { } ; struct DEF def ; } ; struct Anonymous0 abc ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "struct ABC { struct {} def; } abc;";
const char expected[] = "struct ABC { struct Anonymous0 { } ; struct Anonymous0 def ; } ; struct ABC abc ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "struct { struct {} def; } abc;";
const char expected[] = "struct Anonymous0 { struct Anonymous1 { } ; struct Anonymous1 def ; } ; struct 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 ; } ; union ABC abc ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "struct ABC { struct {} def; };";
const char expected[] = "struct ABC { struct Anonymous0 { } ; struct 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 { } ; struct 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 struct 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));
}
// ticket #8284
{
const char code[] = "void f() { class : foo<int> { } abc; }";
const char expected[] = "void f ( ) { class Anonymous0 : foo < int > { } ; Anonymous0 abc ; }";
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 ; } ; struct Anonymous0 abc ;";
ASSERT_EQUALS(expected, tok(code, false));
}
{
const char code[] = "class ABC { struct {} def; } abc;";
const char expected[] = "class ABC { struct Anonymous0 { } ; struct 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 { } ; struct 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 { } ; struct 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 { } ; struct Fee fee ; "
"} "
"union { "
"long long ll ; "
"double d ; "
"} ; "
"} ; ABC abc ;";
ASSERT_EQUALS(expected, tok(code, false));
}
void simplifyStructDecl6() {
ASSERT_EQUALS("struct A { "
"char integers [ X ] ; "
"} ; struct A arrays ; arrays = { { 0 } } ;",
tok("struct A {\n"
" char integers[X];\n"
"} arrays = {{0}};", false));
}
void simplifyStructDecl7() {
ASSERT_EQUALS("struct Anonymous0 { char x ; } ; struct Anonymous0 a [ 2 ] ;",
tok("struct { char x; } a[2];", false));
ASSERT_EQUALS("struct Anonymous0 { char x ; } ; static struct Anonymous0 a [ 2 ] ;",
tok("static struct { char x; } a[2];", false));
}
void simplifyStructDecl8() {
ASSERT_EQUALS("enum A { x , y , z } ; enum A a ; a = x ;", tok("enum A { x, y, z } a(x);", false));
ASSERT_EQUALS("enum B { x , y , z } ; enum B b ; b = x ;", tok("enum B { x , y, z } b{x};", false));
ASSERT_EQUALS("struct C { int i ; } ; struct C c ; c = { 0 } ;", tok("struct C { int i; } c{0};", false));
ASSERT_EQUALS("enum Anonymous0 { x , y , z } ; enum Anonymous0 d ; d = x ;", tok("enum { x, y, z } d(x);", false));
ASSERT_EQUALS("enum Anonymous0 { x , y , z } ; enum Anonymous0 e ; e = x ;", tok("enum { x, y, z } e{x};", false));
ASSERT_EQUALS("struct Anonymous0 { int i ; } ; struct Anonymous0 f ; f = { 0 } ;", tok("struct { int i; } f{0};", false));
ASSERT_EQUALS("struct Anonymous0 { } ; struct Anonymous0 x ; x = { 0 } ;", tok("struct {} x = {0};", false));
ASSERT_EQUALS("enum G : short { x , y , z } ; enum G g ; g = x ;", tok("enum G : short { x, y, z } g(x);", false));
ASSERT_EQUALS("enum H : short { x , y , z } ; enum H h ; h = x ;", tok("enum H : short { x, y, z } h{x};", false));
ASSERT_EQUALS("enum class I : short { x , y , z } ; enum I i ; i = x ;", tok("enum class I : short { x, y, z } i(x);", false));
ASSERT_EQUALS("enum class J : short { x , y , z } ; enum J j ; j = x ;", tok("enum class J : short { x, y, z } j{x};", 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("const int foo ( ) { }", tok("constexpr int foo() { }", true));
ASSERT_EQUALS("void f ( ) { int final [ 10 ] ; }", tok("void f() { int final[10]; }", true));
ASSERT_EQUALS("int * p ;", tok("int * __restrict p;", "test.c"));
ASSERT_EQUALS("int * * p ;", tok("int * __restrict__ * p;", "test.c"));
ASSERT_EQUALS("void foo ( float * a , float * b ) ;", tok("void foo(float * __restrict__ a, float * __restrict__ b);", "test.c"));
ASSERT_EQUALS("int * p ;", tok("int * restrict p;", "test.c"));
ASSERT_EQUALS("int * * p ;", tok("int * restrict * p;", "test.c"));
ASSERT_EQUALS("void foo ( float * a , float * b ) ;", tok("void foo(float * restrict a, float * restrict b);", "test.c"));
ASSERT_EQUALS("void foo ( int restrict ) ;", tok("void foo(int restrict);"));
ASSERT_EQUALS("int * p ;", tok("typedef int * __restrict__ rint; rint p;", "test.c"));
// don't remove struct members:
ASSERT_EQUALS("a = b . _inline ;", tok("a = b._inline;", true));
ASSERT_EQUALS("int i ; i = 0 ;", tok("auto int i = 0;", "test.c"));
ASSERT_EQUALS("auto i ; i = 0 ;", tok("auto i = 0;", "test.cpp"));
}
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, Settings::Win32A));
ASSERT_EQUALS("int f ( ) ;", tok("int APIENTRY f();", true, Settings::Win32A));
ASSERT_EQUALS("int f ( ) ;", tok("int CALLBACK f();", true, Settings::Win32A));
// don't simplify Microsoft defines in unix code (#7554)
ASSERT_EQUALS("enum E { CALLBACK } ;", tok("enum E { CALLBACK } ;", true, Settings::Unix32));
}
void simplifyFunctorCall() {
ASSERT_EQUALS("IncrementFunctor ( ) ( a ) ;", tok("IncrementFunctor()(a);", true));
}
// #ticket #5339 (simplify function pointer after comma)
void simplifyFunctionPointer() {
ASSERT_EQUALS("f ( double x , double * y ) ;", tok("f (double x, double (*y) ());", 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));
}
{
const char code[] = "class Fred {\n"
" std::string s;\n"
" const std::string & foo();\n"
"};\n"
"const std::string & Fred::foo() { return \"\"; }";
const char expected[] = "class Fred { "
"std :: string s ; "
"const std :: string & foo ( ) ; "
"} ; "
"const std :: string & Fred :: foo ( ) { return \"\" ; }";
ASSERT_EQUALS(expected, tok(code, false));
}
{
// Ticket #7916
// Tokenization would include "int fact < 2 > ( ) { return 2 > ( ) ; }" and generate
// a parse error (and use after free)
const char code[] = "extern \"C\" void abort ();\n"
"template <int a> inline int fact2 ();\n"
"template <int a> inline int fact () {\n"
" return a * fact2<a-1> ();\n"
"}\n"
"template <> inline int fact<1> () {\n"
" return 1;\n"
"}\n"
"template <int a> inline int fact2 () {\n"
" return a * fact<a-1>();\n"
"}\n"
"template <> inline int fact2<1> () {\n"
" return 1;\n"
"}\n"
"int main() {\n"
" fact2<3> ();\n"
" fact2<2> ();\n"
"}";
tok(code);
}
}
void removeVoidFromFunction() {
ASSERT_EQUALS("void foo ( ) ;", tok("void foo(void);"));
}
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));
}
{
const char code[] = "char *f()\n"
"{\n"
" char **temp=malloc(8);\n"
" *temp = malloc(2);\n"
" strcpy(*temp,\"\");\n"
" return (strncat(*temp,\"a\",1));\n"
"}";
ASSERT_EQUALS("char * f ( ) {"
" char * * temp ;"
" temp = malloc ( 8 ) ;"
" * temp = malloc ( 2 ) ;"
" strcpy ( * temp , \"\" ) ;"
" strncat ( * temp , \"a\" , 1 ) ;"
" return * temp ; "
"}", tok(code, true));
}
{
const char code[] = "char *f()\n"
"{\n"
" char **temp=malloc(8);\n"
" *temp = malloc(2);\n"
" strcpy(*temp,\"\");\n"
" return (strncat(temp[0],foo(b),calc(c-d)));\n"
"}";
ASSERT_EQUALS("char * f ( ) {"
" char * * temp ;"
" temp = malloc ( 8 ) ;"
" * temp = malloc ( 2 ) ;"
" strcpy ( * temp , \"\" ) ;"
" strncat ( temp [ 0 ] , foo ( b ) , calc ( c - d ) ) ;"
" return temp [ 0 ] ; "
"}", 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));
}
{
const char code[] = "void f() {"
" foo();"
" for(int x=0;x<1;x++) {"
" y = 1 + x;"
" }"
"}";
ASSERT_EQUALS("void f ( ) { foo ( ) ; { int x = 0 ; y = 1 + x ; } }", tok(code, true));
}
}
void consecutiveBraces() {
ASSERT_EQUALS("void f ( ) { }", tok("void f(){{}}", true));
ASSERT_EQUALS("void f ( ) { }", tok("void f(){{{}}}", true));
ASSERT_EQUALS("void f ( ) { for ( ; ; ) { } }", tok("void f () { for(;;){} }", true));
ASSERT_EQUALS("void f ( ) { { scope_lock lock ; foo ( ) ; } { scope_lock lock ; bar ( ) ; } }", tok("void f () { {scope_lock lock; foo();} {scope_lock lock; bar();} }", true));
}
void undefinedSizeArray() {
ASSERT_EQUALS("int * x ;", tok("int x [];"));
ASSERT_EQUALS("int * * x ;", tok("int x [][];"));
ASSERT_EQUALS("int * * x ;", tok("int * x [];"));
ASSERT_EQUALS("int * * * x ;", tok("int * x [][];"));
ASSERT_EQUALS("int * * * * x ;", tok("int * * x [][];"));
ASSERT_EQUALS("void f ( int x [ ] , double y [ ] ) { }", tok("void f(int x[], double y[]) { }"));
ASSERT_EQUALS("int x [ 13 ] = { [ 11 ] = 2 , [ 12 ] = 3 } ;", tok("int x[] = {[11]=2, [12]=3};"));
}
void simplifyArrayAddress() { // ticket #3304
const char code[] = "void foo() {\n"
" int a[10];\n"
" memset(&a[4], 0, 20*sizeof(int));\n"
"}";
ASSERT_EQUALS("void foo ( ) {"
" int a [ 10 ] ;"
" memset ( a + 4 , 0 , 80 ) ;"
" }", tok(code, true));
}
void simplifyCharAt() { // ticket #4481
ASSERT_EQUALS("'h' ;", tok("\"hello\"[0] ;"));
ASSERT_EQUALS("'\\n' ;", tok("\"\\n\"[0] ;"));
ASSERT_EQUALS("'\\0' ;", tok("\"hello\"[5] ;"));
ASSERT_EQUALS("'\\0' ;", tok("\"\"[0] ;"));
ASSERT_EQUALS("'\\0' ;", tok("\"\\0\"[0] ;"));
ASSERT_EQUALS("'\\n' ;", tok("\"hello\\nworld\"[5] ;"));
ASSERT_EQUALS("'w' ;", tok("\"hello world\"[6] ;"));
ASSERT_EQUALS("\"hello\" [ 7 ] ;", tok("\"hello\"[7] ;"));
ASSERT_EQUALS("\"hello\" [ -1 ] ;", tok("\"hello\"[-1] ;"));
}
void test_4881() {
const char code[] = "int evallex() {\n"
" int c, t;\n"
"again:\n"
" do {\n"
" if ((c = macroid(c)) == EOF_CHAR || c == '\\n') {\n"
" }\n"
" } while ((t = type[c]) == LET && catenate());\n"
"}\n";
ASSERT_EQUALS("int evallex ( ) { int c ; int t ; again : ; do { c = macroid ( c ) ; if ( c == EOF_CHAR || c == '\\n' ) { } t = type [ c ] ; } while ( t == LET && catenate ( ) ) ; }",
tok(code, true));
}
void simplifyOverride() { // ticket #5069
const char code[] = "void fun() {\n"
" unsigned char override[] = {0x01, 0x02};\n"
" doSomething(override, sizeof(override));\n"
"}\n";
ASSERT_EQUALS("void fun ( ) { char override [ 2 ] = { 1 , 2 } ; doSomething ( override , 2 ) ; }",
tok(code, true));
}
void simplifyNestedNamespace() {
ASSERT_EQUALS("namespace A { namespace B { namespace C { int i ; } } }", tok("namespace A::B::C { int i; }"));
}
void simplifyNamespaceAliases() {
ASSERT_EQUALS(";",
tok("namespace ios = boost::iostreams;"));
ASSERT_EQUALS("boost :: iostreams :: istream foo ( \"foo\" ) ;",
tok("namespace ios = boost::iostreams; ios::istream foo(\"foo\");"));
ASSERT_EQUALS("boost :: iostreams :: istream foo ( \"foo\" ) ;",
tok("using namespace std; namespace ios = boost::iostreams; ios::istream foo(\"foo\");"));
ASSERT_EQUALS(";",
tok("using namespace std; namespace ios = boost::iostreams;"));
ASSERT_EQUALS("namespace NS { boost :: iostreams :: istream foo ( \"foo\" ) ; }",
tok("namespace NS { using namespace std; namespace ios = boost::iostreams; ios::istream foo(\"foo\"); }"));
// duplicate namespace aliases
ASSERT_EQUALS(";",
tok("namespace ios = boost::iostreams;\nnamespace ios = boost::iostreams;"));
ASSERT_EQUALS(";",
tok("namespace ios = boost::iostreams;\nnamespace ios = boost::iostreams;\nnamespace ios = boost::iostreams;"));
ASSERT_EQUALS("namespace A { namespace B { void foo ( ) { bar ( A :: B :: ab ( ) ) ; } } }",
tok("namespace A::B {"
"namespace AB = A::B;"
"void foo() {"
" namespace AB = A::B;" // duplicate declaration
" bar(AB::ab());"
"}"
"namespace AB = A::B;" //duplicate declaration
"}"));
// redeclared nested namespace aliases
TODO_ASSERT_EQUALS("namespace A { namespace B { void foo ( ) { bar ( A :: B :: ab ( ) ) ; { baz ( A :: a ( ) ) ; } bar ( A :: B :: ab ( ) ) ; } } }",
"namespace A { namespace B { void foo ( ) { bar ( A :: B :: ab ( ) ) ; { baz ( A :: B :: a ( ) ) ; } bar ( A :: B :: ab ( ) ) ; } } }",
tok("namespace A::B {"
"namespace AB = A::B;"
"void foo() {"
" namespace AB = A::B;" // duplicate declaration
" bar(AB::ab());"
" {"
" namespace AB = A;"
" baz(AB::a());" // redeclaration OK
" }"
" bar(AB::ab());"
"}"
"namespace AB = A::B;" //duplicate declaration
"}"));
}
};
REGISTER_TEST(TestSimplifyTokens)
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