1373 lines
41 KiB
C++
1373 lines
41 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, Reijo Tomperi, Nicolas Le Cam,
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* Leandro Penz, Kimmo Varis, Vesa Pikki
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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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// The preprocessor that c++check uses is a bit special. Instead of generating
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// the code for a known configuration, it generates the code for each configuration.
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#include <cstring>
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#include "testsuite.h"
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#include "../src/tokenize.h"
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extern std::ostringstream errout;
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class TestTokenizer : public TestFixture
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{
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public:
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TestTokenizer() : TestFixture("TestTokenizer")
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{ }
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class OurTokenizer : public Tokenizer
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{
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public:
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void simplifyCasts()
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{
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Tokenizer::simplifyCasts();
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}
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bool simplifyIfAddBraces()
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{
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return Tokenizer::simplifyIfAddBraces();
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}
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bool simplifyKnownVariables()
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{
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return Tokenizer::simplifyKnownVariables();
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}
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std::vector<const Token *> &getFunctionList()
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{
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return _functionList;
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}
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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(minus);
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TEST_CASE(longtok);
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TEST_CASE(removeCast1);
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TEST_CASE(inlineasm);
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TEST_CASE(dupfuncname);
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TEST_CASE(const_and_volatile_functions);
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TEST_CASE(ifAddBraces1);
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TEST_CASE(ifAddBraces2);
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TEST_CASE(ifAddBraces3);
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TEST_CASE(ifAddBraces4);
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TEST_CASE(ifAddBraces5);
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TEST_CASE(numeric_true_condition);
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TEST_CASE(simplifyKnownVariables1);
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TEST_CASE(simplifyKnownVariables2);
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TEST_CASE(simplifyKnownVariables3);
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TEST_CASE(simplifyKnownVariables4);
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TEST_CASE(simplifyKnownVariables5);
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TEST_CASE(simplifyKnownVariables6);
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TEST_CASE(simplifyKnownVariables7);
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TEST_CASE(simplifyKnownVariables8);
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TEST_CASE(simplifyKnownVariables9);
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TEST_CASE(multiCompare);
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TEST_CASE(match1);
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TEST_CASE(match2);
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TEST_CASE(varid1);
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TEST_CASE(varid2);
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TEST_CASE(varid3);
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TEST_CASE(varid4);
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TEST_CASE(varid5);
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// TODO TEST_CASE(varid6); // Function parameters aren't handled well yet
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TEST_CASE(varid7);
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TEST_CASE(varidReturn);
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TEST_CASE(file1);
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TEST_CASE(file2);
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TEST_CASE(file3);
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TEST_CASE(doublesharp);
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TEST_CASE(macrodoublesharp);
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TEST_CASE(simplify_function_parameters);
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TEST_CASE(reduce_redundant_paranthesis); // Ticket #61
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TEST_CASE(simplify_numeric_condition);
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TEST_CASE(tokenize_double);
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TEST_CASE(tokenize_strings);
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TEST_CASE(simplify_constants);
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TEST_CASE(simplify_constants2);
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TEST_CASE(findClassFunction1);
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TEST_CASE(vardecl1);
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TEST_CASE(vardecl2);
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}
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bool cmptok(const char *expected[], const Token *actual)
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{
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unsigned int i = 0;
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for (; expected[i] && actual; ++i, actual = actual->next())
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{
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if (strcmp(expected[i], actual->aaaa()) != 0)
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return false;
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}
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return (expected[i] == NULL && actual == NULL);
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}
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std::string tokenizeAndStringify(const char code[])
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{
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// tokenize..
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Tokenizer tokenizer;
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std::istringstream istr(code);
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tokenizer.tokenize(istr, "test.cpp");
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std::ostringstream ostr;
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for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next())
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{
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ostr << tok->str();
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// Append newlines
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if (tok->next())
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{
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if (tok->linenr() != tok->next()->linenr())
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{
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for (unsigned int i = tok->linenr();i < tok->next()->linenr();++i)
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ostr << "\n";
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}
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else
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{
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ostr << " ";
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}
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}
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}
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return ostr.str();
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}
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void minus()
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{
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ASSERT_EQUALS("i = -12", tokenizeAndStringify("i = -12"));
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ASSERT_EQUALS("1 - 2", tokenizeAndStringify("1-2"));
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ASSERT_EQUALS("foo ( -1 ) - 2", tokenizeAndStringify("foo(-1)-2"));
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ASSERT_EQUALS("int f ( ) { return -2 ; }", tokenizeAndStringify("int f(){return -2;}"));
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}
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void longtok()
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{
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std::string filedata(10000, 'a');
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// tokenize..
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Tokenizer tokenizer;
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std::istringstream istr(filedata);
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tokenizer.tokenize(istr, "test.cpp");
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// Expected result..
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ASSERT_EQUALS(std::string(10000, 'a'), std::string(tokenizer.tokens()->aaaa()));
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}
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// Dont remove "(int *)"..
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void removeCast1()
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{
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const char code[] = "int *f(int *);";
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// tokenize..
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OurTokenizer tokenizer;
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std::istringstream istr(code);
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tokenizer.tokenize(istr, "test.cpp");
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tokenizer.simplifyCasts();
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std::ostringstream ostr;
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for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next())
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ostr << " " << tok->str();
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ASSERT_EQUALS(std::string(" int * f ( int * ) ;"), ostr.str());
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}
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void inlineasm()
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{
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const char filedata[] = "void foo()\n"
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"{\n"
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" __asm\n"
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" {\n"
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" jmp $jump1\n"
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" $jump1:\n"
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" }\n"
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"}\n";
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// tokenize..
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Tokenizer tokenizer;
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std::istringstream istr(filedata);
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tokenizer.tokenize(istr, "test.cpp");
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// Expected result..
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const char *expected[] =
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{
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"void",
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"foo",
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"(",
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")",
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"{",
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"}",
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0
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};
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// Compare..
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ASSERT_EQUALS(true, cmptok(expected, tokenizer.tokens()));
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}
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void dupfuncname()
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{
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const char code[] = "void a()\n"
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"{ }\n"
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"void a(int i)\n"
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"{ }\n"
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"void b()\n"
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"{ }\n";
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// tokenize..
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OurTokenizer tokenizer;
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std::istringstream istr(code);
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tokenizer.tokenize(istr, "test.cpp");
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tokenizer.fillFunctionList();
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ASSERT_EQUALS(1, static_cast<unsigned int>(tokenizer.getFunctionList().size()));
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ASSERT_EQUALS(std::string("b"), tokenizer.getFunctionList()[0]->aaaa());
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}
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void const_and_volatile_functions()
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{
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const char code[] = "class B\n\
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{\n\
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public:\n\
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void a();\n\
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void b() const;\n\
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void c() volatile;\n\
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};\n\
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\n\
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void B::a()\n\
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{}\n\
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\n\
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void B::b() const\n\
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{}\n\
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\n\
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void B::c() volatile\n\
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{}\n";
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// tokenize..
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OurTokenizer tokenizer;
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std::istringstream istr(code);
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tokenizer.tokenize(istr, "test.cpp");
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tokenizer.fillFunctionList();
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ASSERT_EQUALS(3, static_cast<unsigned int>(tokenizer.getFunctionList().size()));
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if (tokenizer.getFunctionList().size() == 3)
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{
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ASSERT_EQUALS(std::string("a"), tokenizer.getFunctionList()[0]->str());
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ASSERT_EQUALS(std::string("b"), tokenizer.getFunctionList()[1]->str());
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ASSERT_EQUALS(std::string("c"), tokenizer.getFunctionList()[2]->str());
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}
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}
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void numeric_true_condition()
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{
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const char code[] = "void f()\n"
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"{\n"
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" if (5==5);\n"
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"}\n";
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// tokenize..
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Tokenizer tokenizer;
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std::istringstream istr(code);
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tokenizer.tokenize(istr, "test.cpp");
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tokenizer.simplifyTokenList();
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std::ostringstream ostr;
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for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next())
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ostr << " " << tok->str();
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ASSERT_EQUALS(std::string(" void f ( ) { { ; } }"), ostr.str());
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}
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void ifAddBraces1()
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{
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const char code[] = "void f()\n"
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"{\n"
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" if (a);\n"
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" else ;\n"
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"}\n";
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// tokenize..
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OurTokenizer tokenizer;
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std::istringstream istr(code);
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tokenizer.tokenize(istr, "test.cpp");
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ASSERT_EQUALS(true, tokenizer.simplifyIfAddBraces());
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std::ostringstream ostr;
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for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next())
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ostr << " " << tok->str();
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ASSERT_EQUALS(std::string(" void f ( ) { if ( a ) { ; } else { ; } }"), ostr.str());
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}
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void ifAddBraces2()
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{
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const char code[] = "void f()\n"
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"{\n"
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" if (a) if (b) { }\n"
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"}\n";
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// tokenize..
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OurTokenizer tokenizer;
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std::istringstream istr(code);
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tokenizer.tokenize(istr, "test.cpp");
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ASSERT_EQUALS(true, tokenizer.simplifyIfAddBraces());
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std::ostringstream ostr;
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for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next())
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ostr << " " << tok->str();
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ASSERT_EQUALS(std::string(" void f ( ) { if ( a ) { if ( b ) { } } }"), ostr.str());
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}
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void ifAddBraces3()
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{
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const char code[] = "void f()\n"
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"{\n"
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" if (a) for (;;) { }\n"
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"}\n";
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// tokenize..
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OurTokenizer tokenizer;
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std::istringstream istr(code);
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tokenizer.tokenize(istr, "test.cpp");
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ASSERT_EQUALS(true, tokenizer.simplifyIfAddBraces());
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std::ostringstream ostr;
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for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next())
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ostr << " " << tok->str();
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ASSERT_EQUALS(std::string(" void f ( ) { if ( a ) { for ( ; ; ) { } } }"), ostr.str());
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}
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void ifAddBraces4()
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{
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const char code[] = "char * foo ()\n"
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"{\n"
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" char *str = malloc(10);\n"
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" if (somecondition)\n"
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" for ( ; ; )\n"
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" { }\n"
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" return str;\n"
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"}\n";
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// tokenize..
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OurTokenizer tokenizer;
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std::istringstream istr(code);
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tokenizer.tokenize(istr, "test.cpp");
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ASSERT_EQUALS(true, tokenizer.simplifyIfAddBraces());
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std::ostringstream ostr;
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for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next())
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ostr << " " << tok->str();
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ASSERT_EQUALS(std::string(" char * foo ( ) { char * str ; str = malloc ( 10 ) ; if ( somecondition ) { for ( ; ; ) { } } return str ; }"), ostr.str());
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}
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void ifAddBraces5()
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{
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const char code[] = "void f()\n"
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"{\n"
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"for(int i = 0; i < 2; i++)\n"
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"if(true)\n"
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"return;\n"
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"\n"
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"return;\n"
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"}\n";
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// tokenize..
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OurTokenizer tokenizer;
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std::istringstream istr(code);
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tokenizer.tokenize(istr, "test.cpp");
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ASSERT_EQUALS(true, tokenizer.simplifyIfAddBraces());
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std::ostringstream ostr;
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for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next())
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ostr << " " << tok->str();
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ASSERT_EQUALS(std::string(" void f ( ) { for ( int i = 0 ; i < 2 ; i ++ ) { if ( true ) { return ; } } return ; }"), ostr.str());
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}
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void simplifyKnownVariables1()
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{
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const char code[] = "void f()\n"
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"{\n"
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" int a = 10;\n"
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" if (a);\n"
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"}\n";
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// tokenize..
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OurTokenizer tokenizer;
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std::istringstream istr(code);
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tokenizer.tokenize(istr, "test.cpp");
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tokenizer.setVarId();
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tokenizer.simplifyKnownVariables();
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std::ostringstream ostr;
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for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next())
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ostr << " " << tok->str();
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ASSERT_EQUALS(std::string(" void f ( ) { int a ; a = 10 ; if ( 10 ) ; }"), ostr.str());
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}
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void simplifyKnownVariables2()
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{
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const char code[] = "void f()\n"
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"{\n"
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" int a = 10;\n"
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" a = g();\n"
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" if (a);\n"
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"}\n";
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// tokenize..
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OurTokenizer tokenizer;
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std::istringstream istr(code);
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tokenizer.tokenize(istr, "test.cpp");
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tokenizer.setVarId();
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tokenizer.simplifyKnownVariables();
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std::ostringstream ostr;
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for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next())
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ostr << " " << tok->str();
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ASSERT_EQUALS(std::string(" void f ( ) { int a ; a = 10 ; a = g ( ) ; if ( a ) ; }"), ostr.str());
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}
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void simplifyKnownVariables3()
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{
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const char code[] = "void f()\n"
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"{\n"
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" int a = 4;\n"
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" while(true){\n"
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" break;\n"
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" a = 10;\n"
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" }\n"
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" if (a);\n"
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"}\n";
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// tokenize..
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OurTokenizer tokenizer;
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std::istringstream istr(code);
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tokenizer.tokenize(istr, "test.cpp");
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tokenizer.setVarId();
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tokenizer.simplifyKnownVariables();
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std::ostringstream ostr;
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for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next())
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ostr << " " << tok->str();
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ASSERT_EQUALS(std::string(" void f ( ) { int a ; a = 4 ; while ( true ) { break ; a = 10 ; } if ( a ) ; }"), ostr.str());
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}
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void simplifyKnownVariables4()
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{
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const char code[] = "void f()\n"
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"{\n"
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" int a = 4;\n"
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" if ( g(a));\n"
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"}\n";
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// tokenize..
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OurTokenizer tokenizer;
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std::istringstream istr(code);
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tokenizer.tokenize(istr, "test.cpp");
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tokenizer.setVarId();
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tokenizer.simplifyKnownVariables();
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std::ostringstream ostr;
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for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next())
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ostr << " " << tok->str();
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ASSERT_EQUALS(std::string(" void f ( ) { int a ; a = 4 ; if ( g ( 4 ) ) ; }"), ostr.str());
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}
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void simplifyKnownVariables5()
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{
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const char code[] = "void f()\n"
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"{\n"
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" int a = 4;\n"
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" if ( a = 5 );\n"
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"}\n";
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// tokenize..
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OurTokenizer tokenizer;
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std::istringstream istr(code);
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tokenizer.tokenize(istr, "test.cpp");
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tokenizer.setVarId();
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tokenizer.simplifyKnownVariables();
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std::ostringstream ostr;
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for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next())
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ostr << " " << tok->str();
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ASSERT_EQUALS(std::string(" void f ( ) { int a ; a = 4 ; if ( a = 5 ) ; }"), ostr.str());
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}
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void simplifyKnownVariables6()
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{
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const char code[] = "void f()\n"
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"{\n"
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" char str[2];"
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" int a = 4;\n"
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" str[a] = 0;\n"
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|
"}\n";
|
|
|
|
// tokenize..
|
|
OurTokenizer tokenizer;
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "test.cpp");
|
|
|
|
tokenizer.setVarId();
|
|
tokenizer.simplifyKnownVariables();
|
|
|
|
std::ostringstream ostr;
|
|
for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next())
|
|
ostr << " " << tok->str();
|
|
ASSERT_EQUALS(std::string(" void f ( ) { char str [ 2 ] ; int a ; a = 4 ; str [ 4 ] = 0 ; }"), ostr.str());
|
|
}
|
|
|
|
void simplifyKnownVariables7()
|
|
{
|
|
const char code[] = "void foo()\n"
|
|
"{\n"
|
|
" int i = 22;\n"
|
|
" abc[i++] = 1;\n"
|
|
" abc[++i] = 2;\n"
|
|
"}\n";
|
|
// tokenize..
|
|
OurTokenizer tokenizer;
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "test.cpp");
|
|
|
|
tokenizer.setVarId();
|
|
tokenizer.simplifyKnownVariables();
|
|
|
|
std::ostringstream ostr;
|
|
for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next())
|
|
ostr << " " << tok->str();
|
|
ASSERT_EQUALS(std::string(" void foo ( ) { int i ; i = 24 ; abc [ 22 ] = 1 ; abc [ 24 ] = 2 ; }"), ostr.str());
|
|
}
|
|
|
|
void simplifyKnownVariables8()
|
|
{
|
|
const char code[] = "void foo()\n"
|
|
"{\n"
|
|
" int i = 22;\n"
|
|
" i++;\n"
|
|
" abc[i] = 0;\n"
|
|
"}\n";
|
|
// tokenize..
|
|
OurTokenizer tokenizer;
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "test.cpp");
|
|
|
|
tokenizer.setVarId();
|
|
tokenizer.simplifyKnownVariables();
|
|
|
|
std::ostringstream ostr;
|
|
for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next())
|
|
ostr << " " << tok->str();
|
|
ASSERT_EQUALS(std::string(" void foo ( ) { int i ; i = 23 ; ; abc [ 23 ] = 0 ; }"), ostr.str());
|
|
}
|
|
|
|
void simplifyKnownVariables9()
|
|
{
|
|
const char code[] = "void foo()\n"
|
|
"{\n"
|
|
" int a = 1, b = 2;\n"
|
|
" if (a < b)\n"
|
|
" ;\n"
|
|
"}\n";
|
|
// tokenize..
|
|
OurTokenizer tokenizer;
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "test.cpp");
|
|
|
|
tokenizer.setVarId();
|
|
tokenizer.simplifyKnownVariables();
|
|
|
|
std::ostringstream ostr;
|
|
for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next())
|
|
ostr << " " << tok->str();
|
|
ASSERT_EQUALS(std::string(" void foo ( ) { int a ; a = 1 ; int b ; b = 2 ; if ( 1 < 2 ) ; }"), ostr.str());
|
|
}
|
|
|
|
|
|
|
|
void multiCompare()
|
|
{
|
|
// Test for found
|
|
ASSERT_EQUALS(1, Token::multiCompare("one|two", "one"));
|
|
ASSERT_EQUALS(1, Token::multiCompare("one|two", "two"));
|
|
ASSERT_EQUALS(1, Token::multiCompare("verybig|two|", "two"));
|
|
|
|
// Test for empty string found
|
|
ASSERT_EQUALS(0, Token::multiCompare("|one|two", "notfound"));
|
|
ASSERT_EQUALS(0, Token::multiCompare("one||two", "notfound"));
|
|
ASSERT_EQUALS(0, Token::multiCompare("one|two|", "notfound"));
|
|
|
|
// Test for not found
|
|
ASSERT_EQUALS(-1, Token::multiCompare("one|two", "notfound"));
|
|
ASSERT_EQUALS(-1, Token::multiCompare("verybig|two", "s"));
|
|
ASSERT_EQUALS(-1, Token::multiCompare("one|two", "ne"));
|
|
ASSERT_EQUALS(-1, Token::multiCompare("abc|def", "a"));
|
|
ASSERT_EQUALS(-1, Token::multiCompare("abc|def", "abcd"));
|
|
ASSERT_EQUALS(-1, Token::multiCompare("abc|def", "default"));
|
|
}
|
|
|
|
void match1()
|
|
{
|
|
// Match "%var% | %var%"
|
|
{
|
|
const std::string code("abc|def");
|
|
|
|
// tokenize..
|
|
Tokenizer tokenizer;
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "test.cpp");
|
|
|
|
// Match..
|
|
ASSERT_EQUALS(true, Token::Match(tokenizer.tokens(), "%var% | %var%"));
|
|
}
|
|
|
|
// Match "%var% || %var%"
|
|
{
|
|
const std::string code("abc||def");
|
|
|
|
// tokenize..
|
|
Tokenizer tokenizer;
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "test.cpp");
|
|
|
|
// Match..
|
|
ASSERT_EQUALS(true, Token::Match(tokenizer.tokens(), "%var% || %var%"));
|
|
}
|
|
}
|
|
|
|
void match2()
|
|
{
|
|
{
|
|
const std::string code("");
|
|
|
|
// tokenize..
|
|
Tokenizer tokenizer;
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "test.cpp");
|
|
|
|
// Match..
|
|
ASSERT_EQUALS(true, Token::Match(tokenizer.tokens(), "!!else"));
|
|
}
|
|
|
|
{
|
|
const std::string code("");
|
|
|
|
// tokenize..
|
|
Tokenizer tokenizer;
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "test.cpp");
|
|
|
|
// Match..
|
|
ASSERT_EQUALS(false, Token::Match(tokenizer.tokens(), "!!else something"));
|
|
}
|
|
|
|
{
|
|
const std::string code("if ;");
|
|
|
|
// tokenize..
|
|
Tokenizer tokenizer;
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "test.cpp");
|
|
|
|
// Match..
|
|
ASSERT_EQUALS(true, Token::Match(tokenizer.tokens(), "!!return if"));
|
|
}
|
|
|
|
{
|
|
const std::string code("if ;");
|
|
|
|
// tokenize..
|
|
Tokenizer tokenizer;
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "test.cpp");
|
|
|
|
// Match..
|
|
ASSERT_EQUALS(true, Token::Match(tokenizer.tokens(), "if ; !!else"));
|
|
}
|
|
|
|
{
|
|
const std::string code("if ; something");
|
|
|
|
// tokenize..
|
|
Tokenizer tokenizer;
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "test.cpp");
|
|
|
|
// Match..
|
|
ASSERT_EQUALS(true, Token::Match(tokenizer.tokens(), "if ; !!else"));
|
|
}
|
|
|
|
{
|
|
const std::string code("else");
|
|
|
|
// tokenize..
|
|
Tokenizer tokenizer;
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "test.cpp");
|
|
|
|
// Match..
|
|
ASSERT_EQUALS(false, Token::Match(tokenizer.tokens(), "!!else"));
|
|
}
|
|
|
|
{
|
|
const std::string code("if ; else");
|
|
|
|
// tokenize..
|
|
Tokenizer tokenizer;
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "test.cpp");
|
|
|
|
// Match..
|
|
ASSERT_EQUALS(false, Token::Match(tokenizer.tokens(), "if ; !!else"));
|
|
}
|
|
}
|
|
|
|
void varid1()
|
|
{
|
|
const std::string code("static int i = 1;\n"
|
|
"void f()\n"
|
|
"{\n"
|
|
" int i = 2;\n"
|
|
" for (int i = 0; i < 10; ++i)\n"
|
|
" i = 3;\n"
|
|
" i = 4;\n"
|
|
"}\n");
|
|
|
|
// tokenize..
|
|
Tokenizer tokenizer;
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "test.cpp");
|
|
tokenizer.setVarId();
|
|
|
|
// result..
|
|
const std::string actual(tokenizer.tokens()->stringifyList(true));
|
|
const std::string expected("\n\n##file 0\n"
|
|
"1: static int i@1 ; i@1 = 1 ;\n"
|
|
"2: void f ( )\n"
|
|
"3: {\n"
|
|
"4: int i@2 ; i@2 = 2 ;\n"
|
|
"5: for ( int i@3 = 0 ; i@3 < 10 ; ++ i@3 )\n"
|
|
"6: i@3 = 3 ;\n"
|
|
"7: i@2 = 4 ;\n"
|
|
"8: }\n");
|
|
|
|
ASSERT_EQUALS(expected, actual);
|
|
}
|
|
|
|
void varid2()
|
|
{
|
|
const std::string code("void f()\n"
|
|
"{\n"
|
|
" struct ABC abc;\n"
|
|
" abc.a = 3;\n"
|
|
" i = abc.a;\n"
|
|
"}\n");
|
|
|
|
// tokenize..
|
|
Tokenizer tokenizer;
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "test.cpp");
|
|
tokenizer.setVarId();
|
|
|
|
// result..
|
|
const std::string actual(tokenizer.tokens()->stringifyList(true));
|
|
const std::string expected("\n\n##file 0\n"
|
|
"1: void f ( )\n"
|
|
"2: {\n"
|
|
"3: struct ABC abc@1 ;\n"
|
|
"4: abc@1 . a@2 = 3 ;\n"
|
|
"5: i = abc@1 . a@2 ;\n"
|
|
"6: }\n");
|
|
|
|
ASSERT_EQUALS(expected, actual);
|
|
}
|
|
|
|
void varid3()
|
|
{
|
|
const std::string code("static char str[4];\n"
|
|
"void f()\n"
|
|
"{\n"
|
|
" char str[10];\n"
|
|
" str[0] = 0;\n"
|
|
"}\n");
|
|
|
|
// tokenize..
|
|
Tokenizer tokenizer;
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "test.cpp");
|
|
tokenizer.setVarId();
|
|
|
|
// result..
|
|
const std::string actual(tokenizer.tokens()->stringifyList(true));
|
|
const std::string expected("\n\n##file 0\n"
|
|
"1: static char str@1 [ 4 ] ;\n"
|
|
"2: void f ( )\n"
|
|
"3: {\n"
|
|
"4: char str@2 [ 10 ] ;\n"
|
|
"5: str@2 [ 0 ] = 0 ;\n"
|
|
"6: }\n");
|
|
|
|
ASSERT_EQUALS(expected, actual);
|
|
}
|
|
|
|
void varid4()
|
|
{
|
|
const std::string code("void f(const unsigned int a[])\n"
|
|
"{\n"
|
|
" int i = *(a+10);\n"
|
|
"}\n");
|
|
|
|
// tokenize..
|
|
Tokenizer tokenizer;
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "test.cpp");
|
|
tokenizer.simplifyTokenList();
|
|
|
|
// result..
|
|
const std::string actual(tokenizer.tokens()->stringifyList(true));
|
|
const std::string expected("\n\n##file 0\n"
|
|
"1: void f ( const int a@1 [ ] )\n"
|
|
"2: {\n"
|
|
"3: int i@2 ; i@2 = a@1 [ 10 ] ;\n"
|
|
"4: }\n");
|
|
|
|
ASSERT_EQUALS(expected, actual);
|
|
}
|
|
|
|
void varid5()
|
|
{
|
|
const std::string code("void f()\n"
|
|
"{\n"
|
|
" int a,b;\n"
|
|
"}\n");
|
|
|
|
// tokenize..
|
|
Tokenizer tokenizer;
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "test.cpp");
|
|
tokenizer.setVarId();
|
|
tokenizer.simplifyTokenList();
|
|
|
|
// result..
|
|
const std::string actual(tokenizer.tokens()->stringifyList(true));
|
|
const std::string expected("\n\n##file 0\n"
|
|
"1: void f ( )\n"
|
|
"2: {\n"
|
|
"3: int a@1 ; int b@2 ;\n"
|
|
"4: }\n");
|
|
|
|
ASSERT_EQUALS(expected, actual);
|
|
}
|
|
|
|
|
|
void varid6()
|
|
{
|
|
const std::string code("int f(int a, int b)\n"
|
|
"{\n"
|
|
" return a+b;\n"
|
|
"}\n");
|
|
|
|
// tokenize..
|
|
Tokenizer tokenizer;
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "test.cpp");
|
|
tokenizer.simplifyTokenList();
|
|
|
|
// result..
|
|
const std::string actual(tokenizer.tokens()->stringifyList(true));
|
|
const std::string expected("\n\n##file 0\n"
|
|
"1: void f ( int a@1 , int b@2 )\n"
|
|
"2: {\n"
|
|
"3: return a@1 + b@2 ;\n"
|
|
"4: }\n");
|
|
|
|
ASSERT_EQUALS(expected, actual);
|
|
}
|
|
|
|
|
|
void varid7()
|
|
{
|
|
const std::string code("void func()\n"
|
|
"{\n"
|
|
"char a[256] = \"test\";\n"
|
|
"{\n"
|
|
"char b[256] = \"test\";\n"
|
|
"}\n"
|
|
"}\n");
|
|
|
|
// tokenize..
|
|
Tokenizer tokenizer;
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "test.cpp");
|
|
tokenizer.setVarId();
|
|
|
|
// result..
|
|
const std::string actual(tokenizer.tokens()->stringifyList(true));
|
|
const std::string expected("\n\n##file 0\n"
|
|
"1: void func ( )\n"
|
|
"2: {\n"
|
|
"3: char a@1 [ 256 ] = \"test\" ;\n"
|
|
"4: {\n"
|
|
"5: char b@2 [ 256 ] = \"test\" ;\n"
|
|
"6: }\n"
|
|
"7: }\n");
|
|
|
|
ASSERT_EQUALS(expected, actual);
|
|
}
|
|
|
|
|
|
void varidReturn()
|
|
{
|
|
const std::string code("int f()\n"
|
|
"{\n"
|
|
" int a;\n"
|
|
" return a;\n"
|
|
"}\n");
|
|
|
|
// tokenize..
|
|
Tokenizer tokenizer;
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "test.cpp");
|
|
tokenizer.simplifyTokenList();
|
|
|
|
// result..
|
|
const std::string actual(tokenizer.tokens()->stringifyList(true));
|
|
const std::string expected("\n\n##file 0\n"
|
|
"1: int f ( )\n"
|
|
"2: {\n"
|
|
"3: int a@1 ;\n"
|
|
"4: return a@1 ;\n"
|
|
"5: }\n");
|
|
|
|
ASSERT_EQUALS(expected, actual);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void file1()
|
|
{
|
|
const char code[] = "a1\n"
|
|
"#file \"b\"\n"
|
|
"b1\n"
|
|
"b2\n"
|
|
"#endfile\n"
|
|
"a3\n";
|
|
|
|
// tokenize..
|
|
Tokenizer tokenizer;
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "a");
|
|
|
|
for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next())
|
|
{
|
|
std::ostringstream ostr;
|
|
ostr << char('a' + tok->fileIndex()) << tok->linenr();
|
|
ASSERT_EQUALS(tok->str(), ostr.str());
|
|
}
|
|
}
|
|
|
|
|
|
void file2()
|
|
{
|
|
const char code[] = "a1\n"
|
|
"#file \"b\"\n"
|
|
"b1\n"
|
|
"b2\n"
|
|
"#file \"c\"\n"
|
|
"c1\n"
|
|
"c2\n"
|
|
"#endfile\n"
|
|
"b4\n"
|
|
"#endfile\n"
|
|
"a3\n"
|
|
"#file \"d\"\n"
|
|
"d1\n"
|
|
"#endfile\n"
|
|
"a5\n";
|
|
|
|
// tokenize..
|
|
Tokenizer tokenizer;
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "a");
|
|
|
|
for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next())
|
|
{
|
|
std::ostringstream ostr;
|
|
ostr << char('a' + tok->fileIndex()) << tok->linenr();
|
|
ASSERT_EQUALS(tok->str(), ostr.str());
|
|
}
|
|
}
|
|
|
|
|
|
|
|
void file3()
|
|
{
|
|
const char code[] = "#file \"c:\\a.h\"\n"
|
|
"123\n"
|
|
"#endfile\n";
|
|
|
|
// tokenize..
|
|
Tokenizer tokenizer;
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "a.cpp");
|
|
|
|
|
|
ASSERT_EQUALS("[c:\\a.h:1]", tokenizer.fileLine(tokenizer.tokens()));
|
|
}
|
|
|
|
|
|
|
|
|
|
void doublesharp()
|
|
{
|
|
const char code[] = "TEST(var,val) var##_##val = val\n";
|
|
|
|
// Tokenize..
|
|
Tokenizer tokenizer;
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "");
|
|
|
|
// Stringify the tokens..
|
|
std::ostringstream ostr;
|
|
for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next())
|
|
ostr << tok->str() << " ";
|
|
|
|
ASSERT_EQUALS("TEST ( var , val ) var ## _ ## val = val ", ostr.str());
|
|
}
|
|
|
|
void macrodoublesharp()
|
|
{
|
|
const char code[] = "DBG(fmt,args...) printf(fmt, ## args)\n";
|
|
|
|
// Tokenize..
|
|
Tokenizer tokenizer;
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "");
|
|
|
|
// Stringify the tokens..
|
|
std::ostringstream ostr;
|
|
for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next())
|
|
ostr << tok->str() << " ";
|
|
|
|
ASSERT_EQUALS("DBG ( fmt , args . . . ) printf ( fmt , ## args ) ", ostr.str());
|
|
}
|
|
|
|
void simplify_function_parameters()
|
|
{
|
|
{
|
|
const char code[] = "void f(x) int x;\n"
|
|
"{\n"
|
|
"}\n";
|
|
|
|
// tokenize..
|
|
Tokenizer tokenizer;
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "test.cpp");
|
|
|
|
tokenizer.simplifyTokenList();
|
|
|
|
std::ostringstream ostr;
|
|
for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next())
|
|
ostr << " " << tok->str();
|
|
ASSERT_EQUALS(std::string(" void f ( int x ) { }"), ostr.str());
|
|
}
|
|
|
|
{
|
|
const char code[] = "void f(x,y) int x; char y;\n"
|
|
"{\n"
|
|
"}\n";
|
|
|
|
// tokenize..
|
|
Tokenizer tokenizer;
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "test.cpp");
|
|
|
|
tokenizer.simplifyTokenList();
|
|
|
|
std::ostringstream ostr;
|
|
for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next())
|
|
ostr << " " << tok->str();
|
|
ASSERT_EQUALS(std::string(" void f ( int x , char y ) { }"), ostr.str());
|
|
}
|
|
|
|
{
|
|
// This is not a function but the pattern is similar..
|
|
const char code[] = "void foo()\n"
|
|
"{\n"
|
|
" if (x)\n"
|
|
" int x;\n"
|
|
" { }\n"
|
|
"}\n";
|
|
|
|
// tokenize..
|
|
Tokenizer tokenizer;
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "test.cpp");
|
|
|
|
tokenizer.simplifyTokenList();
|
|
|
|
std::ostringstream ostr;
|
|
for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next())
|
|
ostr << " " << tok->str();
|
|
ASSERT_EQUALS(std::string(" void foo ( ) { if ( x ) { int x ; } { } }"), ostr.str());
|
|
}
|
|
}
|
|
|
|
|
|
// Simplify "((..))" into "(..)"
|
|
void reduce_redundant_paranthesis()
|
|
{
|
|
const char code[] = "void foo()\n"
|
|
"{\n"
|
|
" free(((void*)p));\n"
|
|
"}";
|
|
|
|
// tokenize..
|
|
Tokenizer tokenizer;
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "test.cpp");
|
|
|
|
tokenizer.simplifyTokenList();
|
|
|
|
std::ostringstream ostr;
|
|
for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next())
|
|
ostr << " " << tok->str();
|
|
ASSERT_EQUALS(std::string(" void foo ( ) { free ( p ) ; }"), ostr.str());
|
|
}
|
|
|
|
|
|
|
|
void simplify_numeric_condition()
|
|
{
|
|
const char code[] =
|
|
"void f()\n"
|
|
"{\n"
|
|
"int x = 0;\n"
|
|
"if( !x || 0 )\n"
|
|
"{\n"
|
|
"}\n"
|
|
"}";
|
|
|
|
// tokenize..
|
|
Tokenizer tokenizer;
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "test.cpp");
|
|
|
|
tokenizer.setVarId();
|
|
tokenizer.simplifyTokenList();
|
|
|
|
std::ostringstream ostr;
|
|
for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next())
|
|
ostr << " " << tok->str();
|
|
ASSERT_EQUALS(std::string(" void f ( ) { int x ; x = 0 ; if ( ! x ) { } }"), ostr.str());
|
|
}
|
|
|
|
void tokenize_double()
|
|
{
|
|
const char code[] = "void f()\n"
|
|
"{\n"
|
|
" double a = 4.2;\n"
|
|
" float b = 4.2f;\n"
|
|
" double c = 4.2e+10;\n"
|
|
" double d = 4.2e-10;\n"
|
|
" int e = 4+2;\n"
|
|
"}\n";
|
|
|
|
// tokenize..
|
|
OurTokenizer tokenizer;
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "test.cpp");
|
|
|
|
std::ostringstream ostr;
|
|
for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next())
|
|
ostr << " " << tok->str();
|
|
ASSERT_EQUALS(std::string(" void f ( ) { double a ; a = 4.2 ; float b ; b = 4.2f ; double c ; c = 4.2e+10 ; double d ; d = 4.2e-10 ; int e ; e = 4 + 2 ; }"), ostr.str());
|
|
}
|
|
|
|
void tokenize_strings()
|
|
{
|
|
const char code[] = "void f()\n"
|
|
"{\n"
|
|
"const char *a =\n"
|
|
"{\n"
|
|
"\"hello \"\n"
|
|
"\"more \"\n"
|
|
"\"world\"\n"
|
|
"};\n"
|
|
"}\n";
|
|
|
|
// tokenize..
|
|
OurTokenizer tokenizer;
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "test.cpp");
|
|
tokenizer.simplifyTokenList();
|
|
|
|
std::ostringstream ostr;
|
|
for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next())
|
|
ostr << " " << tok->str();
|
|
ASSERT_EQUALS(std::string(" void f ( ) { const char * a ; a = { \"hello more world\" } ; }"), ostr.str());
|
|
}
|
|
|
|
void simplify_constants()
|
|
{
|
|
const char code[] =
|
|
"void f()\n"
|
|
"{\n"
|
|
"const int a = 45;\n"
|
|
"if( a )\n"
|
|
"{ int b = a; }\n"
|
|
"}\n"
|
|
"void g()\n"
|
|
"{\n"
|
|
"int a = 2;\n"
|
|
"}\n";
|
|
|
|
// tokenize..
|
|
Tokenizer tokenizer;
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "test.cpp");
|
|
|
|
tokenizer.setVarId();
|
|
tokenizer.simplifyTokenList();
|
|
|
|
std::ostringstream ostr;
|
|
for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next())
|
|
ostr << " " << tok->str();
|
|
ASSERT_EQUALS(std::string(" void f ( ) { const int a = 45 ; { int b ; b = 45 ; } } void g ( ) { int a ; a = 2 ; }"), ostr.str());
|
|
}
|
|
|
|
void simplify_constants2()
|
|
{
|
|
const char code[] =
|
|
"void f( Foo &foo, Foo *foo2 )\n"
|
|
"{\n"
|
|
"const int a = 45;\n"
|
|
"foo.a=a+a;\n"
|
|
"foo2->a=a;\n"
|
|
"}\n";
|
|
|
|
// tokenize..
|
|
Tokenizer tokenizer;
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "test.cpp");
|
|
|
|
tokenizer.setVarId();
|
|
tokenizer.simplifyTokenList();
|
|
|
|
std::ostringstream ostr;
|
|
for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next())
|
|
ostr << " " << tok->str();
|
|
|
|
std::ostringstream oss;
|
|
oss << " void f ( Foo & foo , Foo * foo2 ) { const int a = 45 ; foo . a = 90 ; foo2 . a = 45 ; }";
|
|
ASSERT_EQUALS(oss.str(), ostr.str());
|
|
}
|
|
|
|
|
|
void findClassFunction1()
|
|
{
|
|
const char code[] =
|
|
"class Fred"
|
|
"{\n"
|
|
"public:\n"
|
|
" Fred()\n"
|
|
" { }\n"
|
|
"};\n";
|
|
|
|
// tokenize..
|
|
Tokenizer tokenizer;
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "test.cpp");
|
|
|
|
int i;
|
|
|
|
i = 0;
|
|
const Token *tok = Tokenizer::FindClassFunction(tokenizer.tokens(), "Fred", "%var%", i);
|
|
ASSERT_EQUALS(true, Token::simpleMatch(tok, "Fred ( ) {"));
|
|
tok = Tokenizer::FindClassFunction(tok->next(), "Fred", "%var%", i);
|
|
ASSERT_EQUALS(0, tok ? 1 : 0);
|
|
}
|
|
|
|
void vardecl1()
|
|
{
|
|
const char code[] = "unsigned int a, b;";
|
|
|
|
const std::string actual(tokenizeAndStringify(code));
|
|
|
|
ASSERT_EQUALS("unsigned int a ; unsigned int b ;", actual);
|
|
}
|
|
|
|
void vardecl2()
|
|
{
|
|
const char code[] = "void foo(a,b) unsigned int a, b; { }";
|
|
|
|
const std::string actual(tokenizeAndStringify(code));
|
|
|
|
ASSERT_EQUALS("void foo ( a , b ) unsigned int a ; unsigned int b ; { }", actual);
|
|
}
|
|
};
|
|
|
|
REGISTER_TEST(TestTokenizer)
|