1806 lines
63 KiB
C++
1806 lines
63 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2009 Daniel Marjamäki and Cppcheck team.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "testsuite.h"
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#define private public
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#include "../src/tokenize.h"
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#undef private
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#include "../src/token.h"
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#include <sstream>
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extern std::ostringstream errout;
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class TestSimplifyTokens : public TestFixture
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{
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public:
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TestSimplifyTokens() : TestFixture("TestSimplifyTokens")
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{ }
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private:
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void run()
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{
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TEST_CASE(cast);
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TEST_CASE(iftruefalse);
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TEST_CASE(combine_strings);
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TEST_CASE(double_plus);
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TEST_CASE(redundant_plus);
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TEST_CASE(parantheses1);
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TEST_CASE(paranthesesVar); // Remove redundant parantheses around variable .. "( %var% )"
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TEST_CASE(declareVar);
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TEST_CASE(declareArray);
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TEST_CASE(dontRemoveIncrement);
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TEST_CASE(removePostIncrement);
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TEST_CASE(removePreIncrement);
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TEST_CASE(elseif1);
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TEST_CASE(sizeof1);
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TEST_CASE(sizeof2);
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TEST_CASE(sizeof3);
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TEST_CASE(sizeof4);
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TEST_CASE(sizeof5);
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TEST_CASE(sizeof6);
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TEST_CASE(sizeof7);
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TEST_CASE(sizeof8);
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TEST_CASE(sizeof9);
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TEST_CASE(casting);
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TEST_CASE(template1);
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TEST_CASE(template2);
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TEST_CASE(template3);
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TEST_CASE(template4);
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TEST_CASE(template5);
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TEST_CASE(template6);
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TEST_CASE(template7);
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TEST_CASE(template8);
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TEST_CASE(template9);
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TEST_CASE(template10);
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TEST_CASE(template11);
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TEST_CASE(template12);
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TEST_CASE(template13);
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TEST_CASE(template_default_parameter);
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TEST_CASE(template_typename);
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TEST_CASE(namespaces);
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// Assignment in condition..
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TEST_CASE(ifassign1);
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TEST_CASE(whileAssign);
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// "if(0==x)" => "if(!x)"
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TEST_CASE(ifnot);
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TEST_CASE(combine_wstrings);
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// Simplify "not" to "!" (#345)
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TEST_CASE(not1);
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// Simplify "and" to "&&" (#620)
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TEST_CASE(and1);
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TEST_CASE(comma_keyword);
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TEST_CASE(remove_comma);
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// Simplify "?:"
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TEST_CASE(conditionOperator);
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// Simplify calculations
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TEST_CASE(calculations);
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// Simplify goto..
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TEST_CASE(goto1);
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// Simplify nested strcat() calls
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TEST_CASE(strcat1);
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// Syntax error
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TEST_CASE(argumentsWithSameName)
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TEST_CASE(simplifyAtol)
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TEST_CASE(simplifyHexInString)
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TEST_CASE(simplifyTypedef)
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TEST_CASE(simplifyTypedef2)
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TEST_CASE(simplifyTypedef3)
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TEST_CASE(simplifyTypedef4)
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TEST_CASE(simplifyTypedef5)
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TEST_CASE(reverseArraySyntax)
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}
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std::string tok(const char code[], bool simplify = true)
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{
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std::istringstream istr(code);
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Tokenizer tokenizer;
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tokenizer.tokenize(istr, "test.cpp");
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if (simplify)
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tokenizer.simplifyTokenList();
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tokenizer.validate();
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std::string ret;
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for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next())
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{
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if (tok != tokenizer.tokens())
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ret += " ";
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ret += tok->str();
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}
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return ret;
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}
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void cast()
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{
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ASSERT_EQUALS("if ( ! p )", tok("if (p == (char *)0)"));
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ASSERT_EQUALS("return str ;", tok("return (char *)str;"));
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{
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const char code[] = "static void crash()\n"
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"{\n"
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" goto err_exit;\n"
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"err_exit:\n"
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" (void)foo();\n"
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"}\n";
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const char expected[] = "static void crash ( ) "
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"{ foo ( ) ; return ; foo ( ) ; }";
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ASSERT_EQUALS(expected, tok(code));
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}
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ASSERT_EQUALS("if ( * a )", tok("if ((char)*a)"));
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ASSERT_EQUALS("if ( & a )", tok("if ((int)&a)"));
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ASSERT_EQUALS("if ( * a )", tok("if ((unsigned int)(unsigned char)*a)"));
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}
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void iftruefalse()
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{
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{
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const char code1[] = " void f() { int a; bool use = false; if( use ) { a=0; } else {a=1;} }";
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const char code2[] = " void f() { int a; bool use = false; {a=1;} }";
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ASSERT_EQUALS(tok(code2), tok(code1));
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}
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{
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const char code1[] = " void f() { int a; bool use = true; if( use ) { a=0; } else {a=1;} }";
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const char code2[] = " void f() { int a; bool use = true; { a=0; } }";
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ASSERT_EQUALS(tok(code2), tok(code1));
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}
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{
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const char code1[] = " void f() { int a; int use = 5; if( use ) { a=0; } else {a=1;} }";
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const char code2[] = " void f() { int a; int use = 5; { a=0; } }";
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ASSERT_EQUALS(tok(code2), tok(code1));
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}
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{
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const char code1[] = " void f() { int a; int use = 0; if( use ) { a=0; } else {a=1;} }";
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const char code2[] = " void f() { int a; int use = 0; {a=1;} }";
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ASSERT_EQUALS(tok(code2), tok(code1));
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}
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{
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const char code1[] = " void f() { int a; bool use = false; if( use ) a=0; else a=1; int c=1; }";
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const char code2[] = " void f() { int a; bool use = false; { a=1; } int c=1; }";
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ASSERT_EQUALS(tok(code2), tok(code1));
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}
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{
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const char code1[] = " void f() { int a; bool use = true; if( use ) a=0; else a=1; int c=1; }";
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const char code2[] = " void f() { int a; bool use = true; { a=0; } int c=1; }";
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ASSERT_EQUALS(tok(code2), tok(code1));
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}
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{
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const char code1[] = " void f() { int a; bool use = false; if( use ) a=0; else if( bb ) a=1; int c=1; }";
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const char code2[] = " void f ( ) { int a ; bool use ; use = false ; { if ( bb ) { a = 1 ; } } int c ; c = 1 ; }";
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ASSERT_EQUALS(tok(code2), tok(code1));
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}
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{
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const char code1[] = " void f() { int a; bool use = true; if( use ) a=0; else if( bb ) a=1; int c=1; }";
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const char code2[] = " void f() { int a; bool use = true; { a=0;} int c=1; }";
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ASSERT_EQUALS(tok(code2), tok(code1));
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}
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{
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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; }";
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const char code2[] = " void f() { int a; bool use = true; { a=0; }int c=1; }";
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ASSERT_EQUALS(tok(code2), tok(code1));
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}
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{
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const char code1[] = " void f() { if( aa ) { a=0; } else if( true ) a=1; else { a=2; } }";
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const char code2[] = " void f ( ) { if ( aa ) { a = 0 ; } else { { a = 1 ; } } }";
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ASSERT_EQUALS(tok(code2), tok(code1));
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}
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{
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const char code1[] = " void f() { if( aa ) { a=0; } else if( false ) a=1; else { a=2; } }";
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const char code2[] = " void f ( ) { if ( aa ) { a = 0 ; } else { { a = 2 ; } } }";
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ASSERT_EQUALS(tok(code2), tok(code1));
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}
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}
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void combine_strings()
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{
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const char code1[] = "void foo()\n"
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"{\n"
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"const char *a =\n"
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"{\n"
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"\"hello \"\n"
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"\"world\"\n"
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"};\n"
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"}\n";
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const char code2[] = "void foo()\n"
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"{\n"
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"const char *a =\n"
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"{\n"
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"\"hello world\"\n"
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"};\n"
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"}\n";
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ASSERT_EQUALS(tok(code2), tok(code1));
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}
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void combine_wstrings()
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{
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const char code1[] = "void foo()\n"
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"{\n"
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"const wchar_t *a =\n"
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"{\n"
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"L\"hello \"\n"
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"L\"world\"\n"
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"};\n"
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"}\n";
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const char code2[] = "void foo()\n"
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"{\n"
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"const wchar_t *a =\n"
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"{\n"
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"\"hello world\"\n"
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"};\n"
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"}\n";
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ASSERT_EQUALS(tok(code2), tok(code1));
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}
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void double_plus()
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{
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{
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const char code1[] = "void foo( int a )\n"
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"{\n"
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"a++;\n"
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"a--;\n"
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"++a;\n"
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"--a;\n"
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"}\n";
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ASSERT_EQUALS("void foo ( int a ) { a ++ ; a -- ; ++ a ; -- a ; }", tok(code1));
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}
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{
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const char code1[] = "void foo( int a )\n"
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"{\n"
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"a=a+a;\n"
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"}\n";
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ASSERT_EQUALS("void foo ( int a ) { a = a + a ; }", tok(code1));
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}
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{
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const char code1[] = "void foo( int a, int b )\n"
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"{\n"
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"a=a+++b;\n"
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"}\n";
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ASSERT_EQUALS("void foo ( int a , int b ) { a = a ++ + b ; }", tok(code1));
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}
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{
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const char code1[] = "void foo( int a, int b )\n"
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"{\n"
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"a=a---b;\n"
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"}\n";
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ASSERT_EQUALS("void foo ( int a , int b ) { a = a -- - b ; }", tok(code1));
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}
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{
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const char code1[] = "void foo( int a, int b )\n"
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"{\n"
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"a=a--+b;\n"
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"}\n";
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ASSERT_EQUALS("void foo ( int a , int b ) { a = a -- + b ; }", tok(code1));
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}
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{
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const char code1[] = "void foo( int a, int b )\n"
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"{\n"
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"a=a++-b;\n"
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"}\n";
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ASSERT_EQUALS("void foo ( int a , int b ) { a = a ++ - b ; }", tok(code1));
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}
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{
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const char code1[] = "void foo( int a, int b )\n"
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"{\n"
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"a=a+--b;\n"
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"}\n";
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ASSERT_EQUALS("void foo ( int a , int b ) { a = a + -- b ; }", tok(code1));
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}
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{
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const char code1[] = "void foo( int a, int b )\n"
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"{\n"
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"a=a-++b;\n"
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"}\n";
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ASSERT_EQUALS("void foo ( int a , int b ) { a = a - ++ b ; }", tok(code1));
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}
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}
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void redundant_plus()
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{
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{
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const char code1[] = "void foo( int a, int b )\n"
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"{\n"
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"a=a + + b;\n"
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"}\n";
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ASSERT_EQUALS("void foo ( int a , int b ) { a = a + b ; }", tok(code1));
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}
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{
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const char code1[] = "void foo( int a, int b )\n"
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"{\n"
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"a=a + + + b;\n"
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"}\n";
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ASSERT_EQUALS("void foo ( int a , int b ) { a = a + b ; }", tok(code1));
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}
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{
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const char code1[] = "void foo( int a, int b )\n"
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"{\n"
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"a=a + - b;\n"
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"}\n";
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ASSERT_EQUALS("void foo ( int a , int b ) { a = a - b ; }", tok(code1));
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}
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{
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const char code1[] = "void foo( int a, int b )\n"
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"{\n"
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"a=a - + b;\n"
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"}\n";
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ASSERT_EQUALS("void foo ( int a , int b ) { a = a - b ; }", tok(code1));
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}
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{
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const char code1[] = "void foo( int a, int b )\n"
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"{\n"
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"a=a - - b;\n"
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"}\n";
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ASSERT_EQUALS("void foo ( int a , int b ) { a = a + b ; }", tok(code1));
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}
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{
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const char code1[] = "void foo( int a, int b )\n"
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"{\n"
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"a=a - + - b;\n"
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"}\n";
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ASSERT_EQUALS("void foo ( int a , int b ) { a = a + b ; }", tok(code1));
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}
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{
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const char code1[] = "void foo( int a, int b )\n"
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"{\n"
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"a=a - - - b;\n"
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"}\n";
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ASSERT_EQUALS("void foo ( int a , int b ) { a = a - b ; }", tok(code1));
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}
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}
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void parantheses1()
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{
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ASSERT_EQUALS("<= 110 ;", tok("<= (10+100);"));
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}
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void paranthesesVar()
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{
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// remove parantheses..
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ASSERT_EQUALS("= p ;", tok("= (p);"));
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ASSERT_EQUALS("if ( a < p ) { }", tok("if(a<(p)){}"));
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ASSERT_EQUALS("void f ( ) { int p ; if ( p == -1 ) { } }", tok("void f(){int p; if((p)==-1){}}"));
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ASSERT_EQUALS("void f ( ) { int p ; if ( -1 == p ) { } }", tok("void f(){int p; if(-1==(p)){}}"));
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ASSERT_EQUALS("void f ( ) { int p ; if ( p ) { } }", tok("void f(){int p; if((p)){}}"));
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ASSERT_EQUALS("return p ;", tok("return (p);"));
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ASSERT_EQUALS("void f ( ) { int * p ; if ( ! * p ) { } }", tok("void f(){int *p; if (*(p) == 0) {}}"));
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ASSERT_EQUALS("void f ( ) { int * p ; if ( ! * p ) { } }", tok("void f(){int *p; if (*p == 0) {}}"));
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ASSERT_EQUALS("void f ( ) { int p ; p = 1 ; }", tok("void f(){int p; (p) = 1;}"));
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ASSERT_EQUALS("void f ( ) { int p [ 10 ] ; p [ 0 ] = 1 ; }", tok("void f(){int p[10]; (p)[0] = 1;}"));
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ASSERT_EQUALS("void f ( ) { int p ; if ( ! p ) { } }", tok("void f(){int p; if ((p) == 0) {}}"));
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ASSERT_EQUALS("void f ( ) { int * p ; * p = 1 ; }", tok("void f(){int *p; *(p) = 1;}"));
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ASSERT_EQUALS("void f ( ) { int p ; if ( p ) { } p = 1 ; }", tok("void f(){int p; if ( p ) { } (p) = 1;}"));
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// keep parantheses..
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ASSERT_EQUALS("= a ;", tok("= (char)a;"));
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ASSERT_EQUALS("cast < char * > ( p )", tok("cast<char *>(p)"));
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ASSERT_EQUALS("return ( a + b ) * c ;", tok("return (a+b)*c;"));
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ASSERT_EQUALS("void f ( ) { int p ; if ( 2 * p == 0 ) { } }", tok("void f(){int p; if (2*p == 0) {}}"));
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ASSERT_EQUALS("void f ( ) { DIR * f ; f = opendir ( dirname ) ; if ( closedir ( f ) ) { } }", tok("void f(){DIR * f = opendir(dirname);if (closedir(f)){}}"));
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}
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void declareVar()
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{
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const char code[] = "void f ( ) { char str [ 100 ] = \"100\" ; }";
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ASSERT_EQUALS(code, tok(code));
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}
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void declareArray()
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{
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const char code[] = "void f ( ) { char str [ ] = \"100\" ; }";
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const char expected[] = "void f ( ) { char * str ; str = \"100\" ; }";
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ASSERT_EQUALS(expected, tok(code));
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}
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void dontRemoveIncrement()
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{
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{
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const char code[] = "void f(int a)\n"
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"{\n"
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" if (a > 10)\n"
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" a = 5;\n"
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" else\n"
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" a = 10;\n"
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" a++;\n"
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"}\n";
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ASSERT_EQUALS("void f ( int a ) { if ( 10 < a ) { a = 5 ; } else { a = 10 ; } a ++ ; }", tok(code));
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}
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{
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const char code[] = "void f(int a)\n"
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"{\n"
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" if (a > 10)\n"
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" a = 5;\n"
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" else\n"
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" a = 10;\n"
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" ++a;\n"
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"}\n";
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ASSERT_EQUALS("void f ( int a ) { if ( 10 < a ) { a = 5 ; } else { a = 10 ; } ++ a ; }", tok(code));
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}
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}
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void removePostIncrement()
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{
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const char code[] = "void f()\n"
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"{\n"
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" unsigned int c = 0;\n"
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" c++;\n"
|
|
" if (c>0) { c++; }\n"
|
|
" c++;\n"
|
|
"}\n";
|
|
ASSERT_EQUALS("void f ( ) { int c ; c = 3 ; ; { ; } ; }", tok(code));
|
|
}
|
|
|
|
|
|
void removePreIncrement()
|
|
{
|
|
const char code[] = "void f()\n"
|
|
"{\n"
|
|
" unsigned int c = 0;\n"
|
|
" ++c;\n"
|
|
" if (c>0) { ++c; }\n"
|
|
" ++c;\n"
|
|
"}\n";
|
|
ASSERT_EQUALS("void f ( ) { int c ; c = 3 ; ; { ; } ; }", tok(code));
|
|
}
|
|
|
|
|
|
std::string elseif(const char code[])
|
|
{
|
|
std::istringstream istr(code);
|
|
|
|
Tokenizer tokenizer;
|
|
tokenizer.createTokens(istr);
|
|
tokenizer.elseif();
|
|
return tokenizer.tokens()->stringifyList(false);
|
|
}
|
|
|
|
void elseif1()
|
|
{
|
|
const char code[] = "else if(ab) { cd } else { ef }gh";
|
|
ASSERT_EQUALS("\n\n##file 0\n1: else { if ( ab ) { cd } else { ef } } gh\n", elseif(code));
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// Simplify 'sizeof'..
|
|
std::string sizeof_(const char code[])
|
|
{
|
|
// tokenize..
|
|
Tokenizer tokenizer;
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "test.cpp");
|
|
|
|
tokenizer.setVarId();
|
|
tokenizer.simplifyTokenList();
|
|
|
|
std::ostringstream ostr;
|
|
for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next())
|
|
{
|
|
if (tok->previous())
|
|
{
|
|
ostr << " ";
|
|
}
|
|
ostr << tok->str();
|
|
}
|
|
|
|
return ostr.str();
|
|
}
|
|
|
|
|
|
void sizeof1()
|
|
{
|
|
const char code1[] = " struct ABC *abc = malloc(sizeof(*abc)); ";
|
|
const char code2[] = " struct ABC *abc = malloc(100); ";
|
|
const char code3[] = " struct ABC *abc = malloc(sizeof *abc ); ";
|
|
ASSERT_EQUALS(tok(code1), tok(code2));
|
|
ASSERT_EQUALS(tok(code2), tok(code3));
|
|
}
|
|
|
|
|
|
void sizeof2()
|
|
{
|
|
const char code[] = "void foo()\n"
|
|
"{\n"
|
|
" int i[4];\n"
|
|
" sizeof(i);\n"
|
|
" sizeof(*i);\n"
|
|
"}\n";
|
|
ASSERT_EQUALS("void foo ( ) { int i [ 4 ] ; 16 ; 4 ; }", sizeof_(code));
|
|
}
|
|
|
|
void sizeof3()
|
|
{
|
|
const char code[] = "static int i[4];\n"
|
|
"void f()\n"
|
|
"{\n"
|
|
" int i[10];\n"
|
|
" sizeof(i);\n"
|
|
"}\n";
|
|
ASSERT_EQUALS("static int i [ 4 ] ; void f ( ) { int i [ 10 ] ; 40 ; }", sizeof_(code));
|
|
}
|
|
|
|
void sizeof4()
|
|
{
|
|
{
|
|
const char code[] = "int i[10];\n"
|
|
"sizeof(i[0]);\n";
|
|
ASSERT_EQUALS("int i [ 10 ] ; 4 ;", sizeof_(code));
|
|
}
|
|
|
|
{
|
|
const char code[] = "int i[10];\n"
|
|
"sizeof i[0];\n";
|
|
ASSERT_EQUALS("int i [ 10 ] ; 4 ;", sizeof_(code));
|
|
}
|
|
}
|
|
|
|
void sizeof5()
|
|
{
|
|
const char code[] =
|
|
"for (int i = 0; i < sizeof(g_ReservedNames[0]); i++)"
|
|
"{}";
|
|
ASSERT_EQUALS("for ( int i = 0 ; i < 100 ; i ++ ) { }", sizeof_(code));
|
|
}
|
|
|
|
void sizeof6()
|
|
{
|
|
const char code[] = ";int i;\n"
|
|
"sizeof(i);\n";
|
|
|
|
std::ostringstream expected;
|
|
expected << "; int i ; " << sizeof(int) << " ;";
|
|
|
|
ASSERT_EQUALS(expected.str(), sizeof_(code));
|
|
}
|
|
|
|
void sizeof7()
|
|
{
|
|
const char code[] = ";INT32 i[10];\n"
|
|
"sizeof(i[0]);\n";
|
|
ASSERT_EQUALS("; INT32 i [ 10 ] ; sizeof ( i [ 0 ] ) ;", sizeof_(code));
|
|
}
|
|
|
|
void sizeof8()
|
|
{
|
|
{
|
|
const char code[] = "void f()\n"
|
|
"{\n"
|
|
" char* ptrs[2];\n"
|
|
" int a = sizeof( ptrs );\n"
|
|
"}\n";
|
|
std::ostringstream oss;
|
|
oss << (sizeof(void *) * 2);
|
|
ASSERT_EQUALS("void f ( ) { char * ptrs [ 2 ] ; int a ; a = " + oss.str() + " ; }", sizeof_(code));
|
|
}
|
|
|
|
{
|
|
const char code[] = "void f()\n"
|
|
"{\n"
|
|
" char* ptrs[55];\n"
|
|
" int a = sizeof( ptrs );\n"
|
|
"}\n";
|
|
std::ostringstream oss;
|
|
oss << (sizeof(void *) * 55);
|
|
ASSERT_EQUALS("void f ( ) { char * ptrs [ 55 ] ; int a ; a = " + oss.str() + " ; }", sizeof_(code));
|
|
}
|
|
|
|
|
|
{
|
|
const char code[] = "void f()\n"
|
|
"{\n"
|
|
" char* ptrs;\n"
|
|
" int a = sizeof( ptrs );\n"
|
|
"}\n";
|
|
std::ostringstream oss;
|
|
oss << sizeof(void *);
|
|
ASSERT_EQUALS("void f ( ) { char * ptrs ; int a ; a = " + oss.str() + " ; }", sizeof_(code));
|
|
}
|
|
}
|
|
|
|
void sizeof9()
|
|
{
|
|
// ticket #487
|
|
{
|
|
const char code[] = "const char *str = \"1\"; sizeof(str);";
|
|
|
|
const char *str = "1";
|
|
std::ostringstream expected;
|
|
expected << "const char * str ; str = \"1\" ; " << sizeof(str) << " ;";
|
|
|
|
TODO_ASSERT_EQUALS(expected.str(), sizeof_(code));
|
|
}
|
|
|
|
{
|
|
const char code[] = "const char str[] = \"1\"; sizeof(str);";
|
|
|
|
const char str[] = "1";
|
|
std::ostringstream expected;
|
|
expected << "const char * str ; str = \"1\" ; " << sizeof(str) << " ;";
|
|
|
|
TODO_ASSERT_EQUALS(expected.str(), sizeof_(code));
|
|
}
|
|
|
|
{
|
|
const char code[] = "const char str[] = {'1'}; sizeof(str);";
|
|
|
|
const char str[] = {'1'};
|
|
std::ostringstream expected;
|
|
expected << "const char * str ; str = { '1' } ; " << sizeof(str) << " ;";
|
|
|
|
TODO_ASSERT_EQUALS(expected.str(), sizeof_(code));
|
|
}
|
|
|
|
// ticket #716 - sizeof string
|
|
{
|
|
std::ostringstream expected;
|
|
expected << "; " << (sizeof "123");
|
|
|
|
ASSERT_EQUALS(expected.str(), sizeof_("; sizeof \"123\""));
|
|
ASSERT_EQUALS(expected.str(), sizeof_("; sizeof(\"123\")"));
|
|
}
|
|
|
|
{
|
|
std::ostringstream expected;
|
|
expected << "; " << sizeof("\"quote\"");
|
|
ASSERT_EQUALS(expected.str(), sizeof_("; sizeof(\"\\\"quote\\\"\")"));
|
|
}
|
|
}
|
|
|
|
void casting()
|
|
{
|
|
{
|
|
const char code[] = "void f()\n"
|
|
"{\n"
|
|
"for (int i = 0; i < static_cast<int>(3); ++i) {}\n"
|
|
"}\n";
|
|
|
|
const std::string expected("void f ( ) { for ( int i = 0 ; i < 3 ; ++ i ) { } }");
|
|
|
|
ASSERT_EQUALS(expected, sizeof_(code));
|
|
}
|
|
|
|
{
|
|
const char code[] = "void f()\n"
|
|
"{\n"
|
|
" p = const_cast<char *> qtu ();\n"
|
|
"}\n";
|
|
|
|
const std::string expected("void f ( ) { p = const_cast < char * > qtu ( ) ; }");
|
|
|
|
ASSERT_EQUALS(expected, sizeof_(code));
|
|
}
|
|
|
|
{
|
|
// ticket #645
|
|
const char code[] = "void f()\n"
|
|
"{\n"
|
|
" return dynamic_cast<Foo *>((bar()));\n"
|
|
"}\n";
|
|
const std::string expected("void f ( ) { return bar ( ) ; }");
|
|
|
|
ASSERT_EQUALS(expected, sizeof_(code));
|
|
}
|
|
}
|
|
|
|
|
|
|
|
void template1()
|
|
{
|
|
const char code[] = "template <classname T> void f(T val) { T a; }\n"
|
|
"f<int>(10);";
|
|
|
|
const std::string expected("template < classname T > void f ( T val ) { T a ; } "
|
|
"f<int> ( 10 ) ; "
|
|
"void f<int> ( int val ) { int a ; }");
|
|
|
|
ASSERT_EQUALS(expected, sizeof_(code));
|
|
}
|
|
|
|
void template2()
|
|
{
|
|
const char code[] = "template <classname T> class Fred { T a; };\n"
|
|
"Fred<int> fred;";
|
|
|
|
const std::string expected("template < classname T > class Fred { T a ; } ; "
|
|
"Fred<int> fred ; "
|
|
"class Fred<int> { int a ; }");
|
|
|
|
ASSERT_EQUALS(expected, sizeof_(code));
|
|
}
|
|
|
|
void template3()
|
|
{
|
|
const char code[] = "template <classname T, int sz> class Fred { T data[sz]; };\n"
|
|
"Fred<float,4> fred;";
|
|
|
|
const std::string expected("template < classname T , int sz > class Fred { T data [ sz ] ; } ; "
|
|
"Fred<float,4> fred ; "
|
|
"class Fred<float,4> { float data [ 4 ] ; }");
|
|
|
|
ASSERT_EQUALS(expected, sizeof_(code));
|
|
}
|
|
|
|
void template4()
|
|
{
|
|
const char code[] = "template <classname T> class Fred { Fred(); };\n"
|
|
"Fred<float> fred;";
|
|
|
|
const std::string expected("template < classname T > class Fred { Fred ( ) ; } ; "
|
|
"Fred<float> fred ; "
|
|
"class Fred<float> { Fred<float> ( ) ; }");
|
|
|
|
ASSERT_EQUALS(expected, sizeof_(code));
|
|
}
|
|
|
|
void template5()
|
|
{
|
|
const char code[] = "template <classname T> class Fred { };\n"
|
|
"template <classname T> Fred<T>::Fred() { }\n"
|
|
"Fred<float> fred;";
|
|
|
|
const std::string expected("template < classname T > class Fred { } ; "
|
|
"template < classname T > Fred < T > :: Fred ( ) { } "
|
|
"Fred<float> fred ; "
|
|
"class Fred<float> { } "
|
|
"Fred<float> :: Fred<float> ( ) { }");
|
|
|
|
ASSERT_EQUALS(expected, sizeof_(code));
|
|
}
|
|
|
|
void template6()
|
|
{
|
|
const char code[] = "template <classname T> class Fred { };\n"
|
|
"Fred<float> fred1;\n"
|
|
"Fred<float> fred2;";
|
|
|
|
const std::string expected("template < classname T > class Fred { } ;"
|
|
" Fred<float> fred1 ;"
|
|
" Fred<float> fred2 ;"
|
|
" class Fred<float> { }");
|
|
|
|
ASSERT_EQUALS(expected, sizeof_(code));
|
|
}
|
|
|
|
void template7()
|
|
{
|
|
// A template class that is not used => no simplification
|
|
{
|
|
const char code[] = "template <class T>\n"
|
|
"class ABC\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" typedef ABC<T> m;\n"
|
|
"\n"
|
|
"};\n";
|
|
|
|
const std::string expected("template < class T > "
|
|
"class ABC "
|
|
"{ "
|
|
"public: "
|
|
"typedef ABC < T > m ; "
|
|
"} ;");
|
|
|
|
ASSERT_EQUALS(expected, sizeof_(code));
|
|
}
|
|
|
|
{
|
|
const char code[] = "template <typename T> class ABC {\n"
|
|
"public:\n"
|
|
" typedef std::vector<T> type;\n"
|
|
"};\n"
|
|
"int main() {\n"
|
|
" ABC<int>::type v;\n"
|
|
" v.push_back(4);\n"
|
|
" return 0;\n"
|
|
"}\n";
|
|
|
|
const std::string expected("template < typename T > class ABC {"
|
|
" public: "
|
|
"typedef std :: vector < T > type ; "
|
|
"} ; "
|
|
"int main ( ) { "
|
|
"std :: vector < int > v ; "
|
|
"v . push_back ( 4 ) ; "
|
|
"return 0 ; "
|
|
"}");
|
|
|
|
TODO_ASSERT_EQUALS(expected, sizeof_(code));
|
|
}
|
|
|
|
{
|
|
const char code[] = "template <typename T> class ABC {\n"
|
|
"public:\n"
|
|
" typedef std::vector<T> type;\n"
|
|
" void f()\n"
|
|
" {\n"
|
|
" ABC<int>::type v;\n"
|
|
" v.push_back(4);\n"
|
|
" }\n"
|
|
"};\n";
|
|
|
|
const std::string expected("template < typename T > class ABC "
|
|
"{"
|
|
" public: typedef std :: vector < T > type ;"
|
|
" void f ( ) "
|
|
"{ "
|
|
"std :: vector < int > v ;"
|
|
" v . push_back ( 4 ) ;"
|
|
" } "
|
|
"} ;");
|
|
|
|
TODO_ASSERT_EQUALS(expected, sizeof_(code));
|
|
}
|
|
}
|
|
|
|
// Template definitions but no usage => no expansion
|
|
void template8()
|
|
{
|
|
const char code[] = "template<typename T> class A;\n"
|
|
"template<typename T> class B;\n"
|
|
"\n"
|
|
"typedef A<int> x;\n"
|
|
"typedef B<int> y;\n"
|
|
"\n"
|
|
"template<typename T> class A {\n"
|
|
" void f() {\n"
|
|
" B<T> a = B<T>::g();\n"
|
|
" T b = 0;\n"
|
|
" if (b)\n"
|
|
" b = 0;\n"
|
|
" }\n"
|
|
"};\n"
|
|
"\n"
|
|
"template<typename T> inline B<T> h() { return B<T>(); }\n";
|
|
|
|
const std::string expected("template < typename T > class A ;"
|
|
" template < typename T > class B ;"
|
|
""
|
|
" typedef A < int > x ;"
|
|
" typedef B < int > y ;"
|
|
""
|
|
" template < typename T > class A {"
|
|
" void f ( ) {"
|
|
" B < T > a = B < T > :: g ( ) ;"
|
|
" T b ; b = 0 ;"
|
|
" }"
|
|
" } ;"
|
|
""
|
|
" template < typename T > inline B < T > h ( ) { return B < T > ( ) ; }");
|
|
|
|
ASSERT_EQUALS(expected, sizeof_(code));
|
|
}
|
|
|
|
void template9()
|
|
{
|
|
const char code[] = "template < typename T > class A { } ;\n"
|
|
"\n"
|
|
"void f ( ) {\n"
|
|
" A<int> a ;\n"
|
|
"}\n"
|
|
"\n"
|
|
"template < typename T >\n"
|
|
"class B {\n"
|
|
" void g ( ) {\n"
|
|
" A < T > b = A < T > :: h ( ) ;\n"
|
|
" }\n"
|
|
"} ;\n";
|
|
|
|
// The expected result..
|
|
std::string expected(std::string(code) + " class A<int> { }");
|
|
std::string::size_type pos;
|
|
while ((pos = expected.find("\n")) != std::string::npos)
|
|
expected[pos] = ' ';
|
|
while ((pos = expected.find(" ")) != std::string::npos)
|
|
expected.erase(pos, 1);
|
|
|
|
ASSERT_EQUALS(expected, sizeof_(code));
|
|
}
|
|
|
|
void template10()
|
|
{
|
|
const char code[] = "template <int ui, typename T> T * foo()\n"
|
|
"{ return new T[ui]; }\n"
|
|
"\n"
|
|
"void f ( )\n"
|
|
"{\n"
|
|
" foo<3,int>();\n"
|
|
"}\n";
|
|
|
|
// The expected result..
|
|
const std::string expected("template < int ui , typename T > T * foo ( )"
|
|
" { return new T [ ui ] ; }"
|
|
" void f ( )"
|
|
" {"
|
|
" foo<3,int> ( ) ;"
|
|
" }"
|
|
" int * foo<3,int> ( ) { return new int [ 3 ] ; }");
|
|
ASSERT_EQUALS(expected, sizeof_(code));
|
|
}
|
|
|
|
void template11()
|
|
{
|
|
const char code[] = "template <int ui, typename T> T * foo()\n"
|
|
"{ return new T[ui]; }\n"
|
|
"\n"
|
|
"void f ( )\n"
|
|
"{\n"
|
|
" char * p = foo<3,char>();\n"
|
|
"}\n";
|
|
|
|
// The expected result..
|
|
const std::string expected("template < int ui , typename T > T * foo ( )"
|
|
" { return new T [ ui ] ; }"
|
|
" void f ( )"
|
|
" {"
|
|
" char * p ; p = foo<3,char> ( ) ;"
|
|
" }"
|
|
" char * foo<3,char> ( ) { return new char [ 3 ] ; }");
|
|
ASSERT_EQUALS(expected, sizeof_(code));
|
|
}
|
|
|
|
void template12()
|
|
{
|
|
const char code[] = "template <int x, int y, int z>\n"
|
|
"class A : public B<x, y, (x - y) ? ((y < z) ? 1 : -1) : 0>\n"
|
|
"{ };\n"
|
|
"\n"
|
|
"void f()\n"
|
|
"{\n"
|
|
" A<12,12,11> a;\n"
|
|
"}\n";
|
|
|
|
// The expected result..
|
|
const std::string expected("template < int x , int y , int z >"
|
|
" class A : public B < x , y , ( x - y ) ? ( ( y < z ) ? 1 : - 1 ) : 0 >"
|
|
" { } ;"
|
|
" void f ( )"
|
|
" {"
|
|
" A<12,12,11> a ;"
|
|
" }"
|
|
" class A<12,12,11> : public B < 12 , 12 , 0 >"
|
|
" { }");
|
|
ASSERT_EQUALS(expected, sizeof_(code));
|
|
}
|
|
|
|
void template13()
|
|
{
|
|
const char code[] = "class BB {};\n"
|
|
"\n"
|
|
"template <class T>\n"
|
|
"class AA\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" static AA<T> create(T* newObject);\n"
|
|
"};\n"
|
|
"\n"
|
|
"class CC { public: CC(AA<BB>, int) {} };\n"
|
|
"\n"
|
|
"class XX {\n"
|
|
" AA<CC> y;\n"
|
|
"public:\n"
|
|
" XX();\n"
|
|
"};\n"
|
|
"\n"
|
|
"XX::XX():\n"
|
|
" y(AA<CC>::create(new CC(AA<BB>(), 0)))\n"
|
|
" {}\n";
|
|
|
|
// Just run it and check that there are not assertions.
|
|
sizeof_(code);
|
|
}
|
|
|
|
void template_default_parameter()
|
|
{
|
|
{
|
|
const char code[] = "template <class T, int n=3>\n"
|
|
"class A\n"
|
|
"{ T ar[n]; };\n"
|
|
"\n"
|
|
"void f()\n"
|
|
"{\n"
|
|
" A<int,2> a1;\n"
|
|
" A<int> a2;\n"
|
|
"}\n";
|
|
|
|
// The expected result..
|
|
const std::string expected("template < class T , int n >"
|
|
" class A"
|
|
" { T ar [ n ] ; } ;"
|
|
" void f ( )"
|
|
" {"
|
|
" A<int,2> a1 ;"
|
|
" A<int,3> a2 ;"
|
|
" }"
|
|
" class A<int,2>"
|
|
" { int ar [ 2 ] ; }"
|
|
" class A<int,3>"
|
|
" { int ar [ 3 ] ; }");
|
|
ASSERT_EQUALS(expected, sizeof_(code));
|
|
}
|
|
{
|
|
const char code[] = "template <class T, int n1=3, int n2=2>\n"
|
|
"class A\n"
|
|
"{ T ar[n1+n2]; };\n"
|
|
"\n"
|
|
"void f()\n"
|
|
"{\n"
|
|
" A<int> a1;\n"
|
|
" A<int,3> a2;\n"
|
|
"}\n";
|
|
|
|
// The expected result..
|
|
const std::string expected("template < class T , int n1 , int n2 >"
|
|
" class A"
|
|
" { T ar [ n1 + n2 ] ; } ;"
|
|
" void f ( )"
|
|
" {"
|
|
" A<int,3,2> a1 ;"
|
|
" A<int,3,2> a2 ;"
|
|
" }"
|
|
" class A<int,3,2>"
|
|
" { int ar [ 5 ] ; }");
|
|
ASSERT_EQUALS(expected, sizeof_(code));
|
|
}
|
|
{
|
|
const char code[] = "template <class T, int n=3>\n"
|
|
"class A\n"
|
|
"{ T ar[n]; };\n"
|
|
"\n"
|
|
"void f()\n"
|
|
"{\n"
|
|
" A<int,(int)2> a1;\n"
|
|
" A<int> a2;\n"
|
|
"}\n";
|
|
|
|
// The expected result..
|
|
const std::string expected("template < class T , int n >"
|
|
" class A"
|
|
" { T ar [ n ] ; } ;"
|
|
" void f ( )"
|
|
" {"
|
|
" A<int,(int)2> a1 ;"
|
|
" A<int,3> a2 ;"
|
|
" }"
|
|
" class A<int,2>"
|
|
" { int ar [ 2 ] ; }"
|
|
" class A<int,3>"
|
|
" { int ar [ 3 ] ; }");
|
|
TODO_ASSERT_EQUALS(expected, sizeof_(code));
|
|
}
|
|
}
|
|
|
|
void template_typename()
|
|
{
|
|
const char code[] = "template <class T>\n"
|
|
"void foo(typename T::t *)\n"
|
|
"{ }";
|
|
|
|
// The expected result..
|
|
const std::string expected("template < class T >"
|
|
" void foo ( T :: t * )"
|
|
" { }");
|
|
ASSERT_EQUALS(expected, sizeof_(code));
|
|
}
|
|
|
|
void namespaces()
|
|
{
|
|
{
|
|
const char code[] = "using namespace std; namespace a{ namespace b{ void f(){} } }";
|
|
|
|
const std::string expected("using namespace std ; void f ( ) { }");
|
|
|
|
ASSERT_EQUALS(expected, sizeof_(code));
|
|
}
|
|
|
|
{
|
|
const char code[] = "namespace b{ void f(){} }";
|
|
|
|
const std::string expected("void f ( ) { }");
|
|
|
|
ASSERT_EQUALS(expected, sizeof_(code));
|
|
}
|
|
|
|
{
|
|
const char code[] = "int a; namespace b{ }";
|
|
|
|
const std::string expected("int a ;");
|
|
|
|
ASSERT_EQUALS(expected, sizeof_(code));
|
|
}
|
|
}
|
|
|
|
|
|
std::string simplifyIfAssign(const char code[])
|
|
{
|
|
// tokenize..
|
|
Tokenizer tokenizer;
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "test.cpp");
|
|
|
|
tokenizer.simplifyIfAssign();
|
|
|
|
std::ostringstream ostr;
|
|
for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next())
|
|
ostr << (tok->previous() ? " " : "") << tok->str();
|
|
|
|
return ostr.str();
|
|
}
|
|
|
|
void ifassign1()
|
|
{
|
|
ASSERT_EQUALS("; a = b ; if ( a ) { ; }", simplifyIfAssign(";if(a=b);"));
|
|
ASSERT_EQUALS("; a = b ( ) ; if ( ( a ) ) { ; }", simplifyIfAssign(";if((a=b()));"));
|
|
ASSERT_EQUALS("; a = b ( ) ; if ( ! ( a ) ) { ; }", simplifyIfAssign(";if(!(a=b()));"));
|
|
ASSERT_EQUALS("; a . x = b ( ) ; if ( ! ( a . x ) ) { ; }", simplifyIfAssign(";if(!(a->x=b()));"));
|
|
}
|
|
|
|
|
|
void whileAssign()
|
|
{
|
|
ASSERT_EQUALS("; a = b ; while ( a ) { b = 0 ; a = b ; }", simplifyIfAssign(";while(a=b) { b = 0; }"));
|
|
ASSERT_EQUALS("; a . b = c ; while ( a . b ) { c = 0 ; a . b = c ; }", simplifyIfAssign(";while(a.b=c) { c=0; }"));
|
|
}
|
|
|
|
|
|
std::string simplifyIfNot(const char code[])
|
|
{
|
|
// tokenize..
|
|
Tokenizer tokenizer;
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "test.cpp");
|
|
|
|
tokenizer.simplifyIfNot();
|
|
|
|
std::ostringstream ostr;
|
|
for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next())
|
|
ostr << (tok->previous() ? " " : "") << tok->str();
|
|
|
|
return ostr.str();
|
|
}
|
|
|
|
void ifnot()
|
|
{
|
|
ASSERT_EQUALS("if ( ! x )", simplifyIfNot("if(0==x)"));
|
|
ASSERT_EQUALS("if ( ! x )", simplifyIfNot("if(x==0)"));
|
|
ASSERT_EQUALS("if ( ! ( a = b ) )", simplifyIfNot("if(0==(a=b))"));
|
|
ASSERT_EQUALS("if ( ! x )", simplifyIfNot("if(x==0)"));
|
|
ASSERT_EQUALS("if ( ! a && b ( ) )", simplifyIfNot("if( 0 == a && b() )"));
|
|
ASSERT_EQUALS("if ( b ( ) && ! a )", simplifyIfNot("if( b() && 0 == a )"));
|
|
ASSERT_EQUALS("if ( ! ( a = b ) )", simplifyIfNot("if((a=b)==0)"));
|
|
ASSERT_EQUALS("if ( ! x . y )", simplifyIfNot("if(x.y==0)"));
|
|
ASSERT_EQUALS("if ( ( ! x ) )", simplifyIfNot("if((x==0))"));
|
|
ASSERT_EQUALS("if ( ( ! x ) && ! y )", simplifyIfNot("if((x==0) && y==0)"));
|
|
ASSERT_EQUALS("if ( ! ( ! fclose ( fd ) ) )", simplifyIfNot("if(!(fclose(fd) == 0))"));
|
|
}
|
|
|
|
|
|
|
|
std::string simplifyLogicalOperators(const char code[])
|
|
{
|
|
// tokenize..
|
|
Tokenizer tokenizer;
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "test.cpp");
|
|
|
|
tokenizer.simplifyLogicalOperators();
|
|
|
|
std::ostringstream ostr;
|
|
for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next())
|
|
ostr << (tok->previous() ? " " : "") << tok->str();
|
|
|
|
return ostr.str();
|
|
}
|
|
|
|
void not1()
|
|
{
|
|
ASSERT_EQUALS("if ( ! p )", simplifyLogicalOperators("if (not p)"));
|
|
ASSERT_EQUALS("if ( p && ! q )", simplifyLogicalOperators("if (p && not q)"));
|
|
ASSERT_EQUALS("void foo ( not i )", simplifyLogicalOperators("void foo ( not i )"));
|
|
}
|
|
|
|
void and1()
|
|
{
|
|
ASSERT_EQUALS("if ( p && q ) { ; }",
|
|
simplifyLogicalOperators("if (p and q) ;"));
|
|
|
|
ASSERT_EQUALS("if ( foo ( ) && q ) { ; }",
|
|
simplifyLogicalOperators("if (foo() and q) ;"));
|
|
|
|
ASSERT_EQUALS("if ( foo ( ) && bar ( ) ) { ; }",
|
|
simplifyLogicalOperators("if (foo() and bar()) ;"));
|
|
|
|
ASSERT_EQUALS("if ( p && bar ( ) ) { ; }",
|
|
simplifyLogicalOperators("if (p and bar()) ;"));
|
|
}
|
|
|
|
void comma_keyword()
|
|
{
|
|
{
|
|
const char code[] = "void foo()\n"
|
|
"{\n"
|
|
" char *a, *b;\n"
|
|
" delete a, delete b;\n"
|
|
"}\n";
|
|
ASSERT_EQUALS("void foo ( ) { char * a ; char * b ; delete a ; delete b ; }", sizeof_(code));
|
|
}
|
|
|
|
{
|
|
const char code[] = "void foo()\n"
|
|
"{\n"
|
|
" struct A *a, *b;\n"
|
|
"}\n";
|
|
ASSERT_EQUALS("void foo ( ) { struct A * a ; struct A * b ; }", sizeof_(code));
|
|
}
|
|
|
|
{
|
|
const char code[] = "void foo()\n"
|
|
"{\n"
|
|
" struct A **a, **b;\n"
|
|
"}\n";
|
|
ASSERT_EQUALS("void foo ( ) { struct A * * a ; struct A * * b ; }", sizeof_(code));
|
|
}
|
|
|
|
{
|
|
const char code[] = "void foo()\n"
|
|
"{\n"
|
|
" char *a, *b;\n"
|
|
" delete a, b;\n"
|
|
"}\n";
|
|
ASSERT_EQUALS("void foo ( ) { char * a ; char * b ; delete a ; delete b ; }", sizeof_(code));
|
|
}
|
|
|
|
{
|
|
const char code[] = "void foo()\n"
|
|
"{\n"
|
|
" char **a, **b, **c;\n"
|
|
"}\n";
|
|
ASSERT_EQUALS("void foo ( ) { char * * a ; char * * b ; char * * c ; }", sizeof_(code));
|
|
}
|
|
|
|
{
|
|
const char code[] = "int f()\n"
|
|
"{\n"
|
|
" if (something)\n"
|
|
" return a(2, c(3, 4)), b(3), 10;\n"
|
|
" return a(), b(0, 0, 0), 10;\n"
|
|
"}\n";
|
|
ASSERT_EQUALS("int f ( )"
|
|
" {"
|
|
" if ( something )"
|
|
" {"
|
|
" a ( 2 , c ( 3 , 4 ) ) ;"
|
|
" b ( 3 ) ;"
|
|
" return 10 ;"
|
|
" }"
|
|
" a ( ) ;"
|
|
" b ( 0 , 0 , 0 ) ;"
|
|
" return 10 ; "
|
|
"}", sizeof_(code));
|
|
}
|
|
|
|
{
|
|
const char code[] = "void foo()\n"
|
|
"{\n"
|
|
" delete [] a, a = 0;\n"
|
|
"}\n";
|
|
ASSERT_EQUALS("void foo ( ) { delete [ ] a ; a = 0 ; }", sizeof_(code));
|
|
}
|
|
|
|
{
|
|
const char code[] = "void foo()\n"
|
|
"{\n"
|
|
" delete a, a = 0;\n"
|
|
"}\n";
|
|
ASSERT_EQUALS("void foo ( ) { delete a ; a = 0 ; }", sizeof_(code));
|
|
}
|
|
|
|
{
|
|
const char code[] = "void f()\n"
|
|
"{\n"
|
|
" for(int a,b; a < 10; a = a + 1, b = b + 1);\n"
|
|
"}\n";
|
|
ASSERT_EQUALS("void f ( ) { for ( int a , b ; a < 10 ; a = a + 1 , b = b + 1 ) { ; } }", sizeof_(code));
|
|
}
|
|
|
|
{
|
|
const char code[] = "typedef enum { a = 0 , b = 1 , c = 2 } abc ;";
|
|
ASSERT_EQUALS(code, sizeof_(code));
|
|
}
|
|
|
|
{
|
|
const char code[] = "void f()\n"
|
|
"{\n"
|
|
" char buf[BUFSIZ], **p;\n"
|
|
" char *ptrs[BUFSIZ], **pp;\n"
|
|
"}\n";
|
|
ASSERT_EQUALS("void f ( ) { char buf [ BUFSIZ ] ; char * * p ; char * ptrs [ BUFSIZ ] ; char * * pp ; }", sizeof_(code));
|
|
}
|
|
}
|
|
|
|
void remove_comma()
|
|
{
|
|
{
|
|
const char code[] = "void f()\n"
|
|
"{\n"
|
|
" int a,b;\n"
|
|
" if( a )\n"
|
|
" a=0,\n"
|
|
" b=0;\n"
|
|
"}\n";
|
|
ASSERT_EQUALS("void f ( ) { int a ; int b ; if ( a ) { a = 0 ; b = 0 ; } }", sizeof_(code));
|
|
}
|
|
|
|
{
|
|
const char code[] = "void f()\n"
|
|
"{\n"
|
|
" A a,b;\n"
|
|
" if( a.f )\n"
|
|
" a.f=b.f,\n"
|
|
" a.g=b.g;\n"
|
|
"}\n";
|
|
ASSERT_EQUALS("void f ( ) { A a ; A b ; if ( a . f ) { a . f = b . f ; a . g = b . g ; } }", sizeof_(code));
|
|
}
|
|
|
|
// keep the comma in template specifiers..
|
|
{
|
|
const char code[] = "void f()\n"
|
|
"{\n"
|
|
" int a = b<T<char,3>, int>();\n"
|
|
"}\n";
|
|
ASSERT_EQUALS("void f ( ) { int a ; a = b < T < char , 3 > , int > ( ) ; }", sizeof_(code));
|
|
}
|
|
}
|
|
|
|
void conditionOperator()
|
|
{
|
|
{
|
|
const char code[] = "; x = a ? b : c;";
|
|
ASSERT_EQUALS("; if ( a ) { x = b ; } else { x = c ; }", tok(code));
|
|
}
|
|
|
|
{
|
|
const char code[] = "(0?(false?1:2):3)";
|
|
ASSERT_EQUALS("( 3 )", tok(code));
|
|
}
|
|
|
|
{
|
|
const char code[] = "(1?(false?1:2):3)";
|
|
ASSERT_EQUALS("( 2 )", tok(code));
|
|
}
|
|
|
|
{
|
|
const char code[] = "int a = (1?0:1 == 1?0:1);";
|
|
ASSERT_EQUALS("int a ; a = 0 ;", tok(code));
|
|
}
|
|
|
|
{
|
|
const char code[] = "(1?0:foo())";
|
|
ASSERT_EQUALS("( 0 )", tok(code));
|
|
}
|
|
|
|
{
|
|
const char code[] = "( true ? a ( ) : b ( ) )";
|
|
ASSERT_EQUALS("( a ( ) )", tok(code));
|
|
}
|
|
|
|
{
|
|
const char code[] = "( true ? abc . a : abc . b )";
|
|
ASSERT_EQUALS("( abc . a )", tok(code));
|
|
}
|
|
}
|
|
|
|
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("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);"));
|
|
}
|
|
|
|
|
|
void goto1()
|
|
{
|
|
{
|
|
const char code[] = "void foo()\n"
|
|
"{\n"
|
|
" if (a())\n"
|
|
" {\n"
|
|
" goto out;\n"
|
|
" }\n"
|
|
" b();\n"
|
|
"out:\n"
|
|
" c();\n"
|
|
"}";
|
|
|
|
const char expect[] = "void foo ( ) "
|
|
"{ "
|
|
"if ( a ( ) ) "
|
|
"{ "
|
|
"c ( ) ; "
|
|
"return ; "
|
|
"} "
|
|
"b ( ) ; "
|
|
"c ( ) ; "
|
|
"}";
|
|
|
|
ASSERT_EQUALS(expect, tok(code));
|
|
}
|
|
|
|
{
|
|
const char code[] = "void foo()\n"
|
|
"{\n"
|
|
" if (a())\n"
|
|
" goto out;\n"
|
|
" b();\n"
|
|
"out:\n"
|
|
" if (c())\n"
|
|
" d();\n"
|
|
"}";
|
|
|
|
const char expect[] = "void foo ( ) "
|
|
"{ "
|
|
"if ( a ( ) ) "
|
|
"{ "
|
|
"if ( c ( ) ) "
|
|
"{ d ( ) ; } "
|
|
"return ; "
|
|
"} "
|
|
"b ( ) ; "
|
|
"if ( c ( ) ) "
|
|
"{ d ( ) ; } "
|
|
"}";
|
|
|
|
ASSERT_EQUALS(expect, tok(code));
|
|
}
|
|
|
|
{
|
|
const char code[] = "void foo()\n"
|
|
"{\n"
|
|
" if (a())\n"
|
|
" goto out;\n"
|
|
" b();\n"
|
|
"out:\n"
|
|
" if (c())\n"
|
|
" {\n"
|
|
" d();\n"
|
|
" }\n"
|
|
"}";
|
|
|
|
const char expect[] = "void foo ( ) "
|
|
"{ "
|
|
"if ( a ( ) ) "
|
|
"{ "
|
|
"if ( c ( ) ) "
|
|
"{ d ( ) ; } "
|
|
"return ; "
|
|
"} "
|
|
"b ( ) ; "
|
|
"if ( c ( ) ) "
|
|
"{ d ( ) ; } "
|
|
"}";
|
|
|
|
ASSERT_EQUALS(expect, tok(code));
|
|
}
|
|
|
|
{
|
|
const char code[] = "void foo(int x)\n"
|
|
"{\n"
|
|
" if (a())\n"
|
|
" goto out;\n"
|
|
" b();\n"
|
|
"out:\n"
|
|
" if (x)\n"
|
|
" {\n"
|
|
" x++; b[0]=x;\n"
|
|
" }\n"
|
|
"}";
|
|
|
|
const char expect[] = "void foo ( int x ) "
|
|
"{ "
|
|
"if ( a ( ) ) "
|
|
"{ "
|
|
"if ( x ) "
|
|
"{ x ++ ; b [ 0 ] = x ; } "
|
|
"return ; "
|
|
"} "
|
|
"b ( ) ; "
|
|
"if ( x ) "
|
|
"{ x ++ ; b [ 0 ] = x ; } "
|
|
"}";
|
|
|
|
ASSERT_EQUALS(expect, tok(code));
|
|
}
|
|
|
|
{
|
|
const char code[] = "class NoLabels { bool varOne : 1 ; bool varTwo : 1 ; } ;";
|
|
ASSERT_EQUALS(code, tok(code));
|
|
}
|
|
|
|
{
|
|
const char code[] = "void foo ( ) { int var ; var = x < y ? y : z ; } ;";
|
|
ASSERT_EQUALS(code, tok(code));
|
|
}
|
|
}
|
|
|
|
|
|
void strcat1()
|
|
{
|
|
const char code[] = "; strcat(strcat(strcat(strcat(strcat(strcat(dst, \"this \"), \"\"), \"is \"), \"a \"), \"test\"), \".\");";
|
|
const char expect[] = "; "
|
|
"strcat ( dst , \"this \" ) ; "
|
|
"strcat ( dst , \"\" ) ; "
|
|
"strcat ( dst , \"is \" ) ; "
|
|
"strcat ( dst , \"a \" ) ; "
|
|
"strcat ( dst , \"test\" ) ; "
|
|
"strcat ( dst , \".\" ) ;";
|
|
|
|
ASSERT_EQUALS(expect, tok(code));
|
|
}
|
|
|
|
void argumentsWithSameName()
|
|
{
|
|
// This code has syntax error, two variables can not have the same name
|
|
{
|
|
const char code[] = "void foo(x, x)\n"
|
|
" int x;\n"
|
|
" int x;\n"
|
|
"{}\n";
|
|
ASSERT_EQUALS("void foo ( x , x ) int x ; int x ; { }", tok(code));
|
|
}
|
|
|
|
{
|
|
const char code[] = "void foo(x, y)\n"
|
|
" int x;\n"
|
|
" int x;\n"
|
|
"{}\n";
|
|
ASSERT_EQUALS("void foo ( int x , y ) int x ; { }", tok(code));
|
|
}
|
|
}
|
|
|
|
void simplifyAtol()
|
|
{
|
|
ASSERT_EQUALS("a = std :: atol ( x ) ;", tok("a = std::atol(x);"));
|
|
ASSERT_EQUALS("a = atol ( \"text\" ) ;", tok("a = atol(\"text\");"));
|
|
ASSERT_EQUALS("a = 0 ;", tok("a = std::atol(\"0\");"));
|
|
ASSERT_EQUALS("a = 10 ;", tok("a = atol(\"0xa\");"));
|
|
}
|
|
|
|
void simplifyHexInString()
|
|
{
|
|
ASSERT_EQUALS("\"a\"", tok("\"\\x61\""));
|
|
ASSERT_EQUALS("\"a\"", tok("\"\\141\""));
|
|
|
|
ASSERT_EQUALS("\"\\0\"", tok("\"\\x00\""));
|
|
ASSERT_EQUALS("\"\\0\"", tok("\"\\000\""));
|
|
|
|
ASSERT_EQUALS("\"\\nhello\"", tok("\"\\nhello\""));
|
|
|
|
ASSERT_EQUALS("\"aaa\"", tok("\"\\x61\\x61\\x61\""));
|
|
ASSERT_EQUALS("\"aaa\"", tok("\"\\141\\141\\141\""));
|
|
|
|
ASSERT_EQUALS("\"\\\\x61\"", tok("\"\\\\x61\""));
|
|
|
|
// These tests can fail, if other characters are handled
|
|
// more correctly. But fow now all non null characters should
|
|
// become 'a'
|
|
ASSERT_EQUALS("\"a\"", tok("\"\\x62\""));
|
|
ASSERT_EQUALS("\"a\"", tok("\"\\177\""));
|
|
}
|
|
|
|
void simplifyTypedef()
|
|
{
|
|
const char code[] = "class A\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" typedef wchar_t duplicate;\n"
|
|
" void foo() {}\n"
|
|
"};\n"
|
|
"typedef A duplicate;\n"
|
|
"int main()\n"
|
|
"{\n"
|
|
" duplicate a;\n"
|
|
" a.foo();\n"
|
|
" A::duplicate c = 0;\n"
|
|
"}\n";
|
|
|
|
const std::string expected =
|
|
"class A "
|
|
"{ "
|
|
"public: "
|
|
"typedef wchar_t duplicate ; "
|
|
"void foo ( ) { } "
|
|
"} ; "
|
|
"typedef A duplicate ; "
|
|
"int main ( ) "
|
|
"{ "
|
|
"A a ; "
|
|
"a . foo ( ) ; "
|
|
"wchar_t c ; c = 0 ; "
|
|
"}";
|
|
ASSERT_EQUALS(expected, tok(code));
|
|
}
|
|
|
|
void simplifyTypedef2()
|
|
{
|
|
const char code[] = "class A;\n"
|
|
"typedef A duplicate;\n"
|
|
"class A\n"
|
|
"{\n"
|
|
"public:\n"
|
|
"typedef wchar_t duplicate;\n"
|
|
"duplicate foo() { wchar_t b; return b; }\n"
|
|
"};\n";
|
|
|
|
const std::string expected =
|
|
"class A ; "
|
|
"typedef A duplicate ; "
|
|
"class A "
|
|
"{ "
|
|
"public: "
|
|
"typedef wchar_t duplicate ; "
|
|
"wchar_t foo ( ) { wchar_t b ; return b ; } "
|
|
"} ;";
|
|
ASSERT_EQUALS(expected, tok(code));
|
|
}
|
|
|
|
void simplifyTypedef3()
|
|
{
|
|
const char code[] = "class A {};\n"
|
|
"typedef A duplicate;\n"
|
|
"wchar_t foo()\n"
|
|
"{\n"
|
|
"typedef wchar_t duplicate;\n"
|
|
"duplicate b;\n"
|
|
"return b;\n"
|
|
"}\n"
|
|
"int main()\n"
|
|
"{\n"
|
|
"duplicate b;\n"
|
|
"}\n";
|
|
|
|
const std::string expected =
|
|
"class A { } ; "
|
|
"typedef A duplicate ; "
|
|
"wchar_t foo ( ) "
|
|
"{ "
|
|
"typedef wchar_t duplicate ; "
|
|
"wchar_t b ; "
|
|
"return b ; "
|
|
"} "
|
|
"int main ( ) "
|
|
"{ "
|
|
"A b ; "
|
|
"}";
|
|
ASSERT_EQUALS(expected, tok(code));
|
|
}
|
|
|
|
void simplifyTypedef4()
|
|
{
|
|
const char code[] = "typedef int s32;\n"
|
|
"typedef unsigned int u32;\n"
|
|
"void f()\n"
|
|
"{\n"
|
|
" s32 ivar = -2;\n"
|
|
" u32 uvar = 2;\n"
|
|
" return uvar / ivar;\n"
|
|
"}\n";
|
|
|
|
const std::string expected =
|
|
"typedef int s32 ; "
|
|
"typedef unsigned int u32 ; "
|
|
"void f ( ) "
|
|
"{ "
|
|
"int ivar ; ivar = -2 ; "
|
|
"unsigned int uvar ; uvar = 2 ; "
|
|
"return uvar / ivar ; "
|
|
"}";
|
|
ASSERT_EQUALS(expected, tok(code, false));
|
|
}
|
|
|
|
void simplifyTypedef5()
|
|
{
|
|
// ticket #780
|
|
const char code[] =
|
|
"typedef struct yy_buffer_state *YY_BUFFER_STATE;\n"
|
|
"void f()\n"
|
|
"{\n"
|
|
" YY_BUFFER_STATE state;\n"
|
|
"}\n";
|
|
|
|
const char expected[] =
|
|
"typedef struct yy_buffer_state * YY_BUFFER_STATE ; "
|
|
"void f ( ) "
|
|
"{ "
|
|
"struct yy_buffer_state * state ; "
|
|
"}";
|
|
|
|
ASSERT_EQUALS(expected, tok(code, false));
|
|
}
|
|
|
|
void reverseArraySyntax()
|
|
{
|
|
ASSERT_EQUALS("a [ 13 ]", tok("13[a]"));
|
|
}
|
|
};
|
|
|
|
REGISTER_TEST(TestSimplifyTokens)
|