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/***************************************************Project Mutator****************************************************/
//-*-c++-*-
/*first line intentionally left blank.*/
/*the source code for the mutator code breaker.*/
/*Copyright (C) 2017 Farzad Sadeghi
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.*/
/**********************************************************************************************************************/
/*included modules*/
/*project headers*/
#include "bruiser.h"
#include "../mutator_aux.h"
/*standard headers*/
#include <string>
#include <iostream>
/*LLVM headers*/
#include "clang/AST/AST.h"
#include "clang/AST/ASTConsumer.h"
#include "clang/ASTMatchers/ASTMatchers.h"
#include "clang/ASTMatchers/ASTMatchFinder.h"
#include "clang/Frontend/CompilerInstance.h"
#include "clang/Frontend/FrontendActions.h"
#include "clang/Lex/Lexer.h"
#include "clang/Tooling/CommonOptionsParser.h"
#include "clang/Tooling/Tooling.h"
#include "clang/Rewrite/Core/Rewriter.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/IR/Function.h"
/**********************************************************************************************************************/
/*used namespaces*/
using namespace llvm;
using namespace clang;
using namespace clang::ast_matchers;
using namespace clang::driver;
using namespace clang::tooling;
/**********************************************************************************************************************/
/*global vars*/
static llvm::cl::OptionCategory BruiserCategory("Empty");
/**********************************************************************************************************************/
/*the implementation of the bruiser logger.*/
bruiser::BruiserReport::BruiserReport ()
{
BruiserLog.open("bruiser.log");
}
bruiser::BruiserReport::~BruiserReport()
{
BruiserLog.close();
}
bool bruiser::BruiserReport::PrintToLog(std::string __in_arg)
{
BruiserLog << __in_arg << "\n";
return !BruiserLog.bad();
}
/**********************************************************************************************************************/
bruiser::TypeInfo::TypeInfo(const clang::ast_type_traits::DynTypedNode* __dtn) : DTN(__dtn) {};
bruiser::TypeInfo::~TypeInfo() {};
const clang::Type* bruiser::TypeInfo::getTypeInfo(clang::ASTContext* __astc)
{
const clang::Expr* EXP = DTN->get<clang::Expr>();
const clang::Type* TP = EXP->getType().getTypePtr();
return __astc->getCanonicalType(TP);
}
/**********************************************************************************************************************/
class AbstractMatcherHandler : public virtual MatchFinder::MatchCallback
{
public:
AbstractMatcherHandler (Rewriter &Rewrite) : R(Rewrite) {}
public:
virtual void run(const MatchFinder::MatchResult &MR)
{
}
private:
Rewriter &R;
};
/**********************************************************************************************************************/
class MatcherHandlerLVL0 : public AbstractMatcherHandler
{
public:
MatcherHandlerLVL0 (Rewriter &Rewrite) : AbstractMatcherHandler(Rewrite) {}
virtual void run(const MatchFinder::MatchResult &MR) override
{
}
private:
};
/**********************************************************************************************************************/
class NameFinder
{
public:
NameFinder (Rewriter &Rewrite) : Rewrite(Rewrite) {}
virtual void runDeclRefExprMatcher(const llvm::StringRef __sr)
{
//Matcher.addMatcher();
}
virtual void runDeclMatcher(const llvm::StringRef __sr)
{
}
private:
Rewriter &Rewrite;
MatchFinder Matcher;
};
/**********************************************************************************************************************/
/**********************************************************************************************************************/
/**********************************************************************************************************************/
class IfBreaker : public MatchFinder::MatchCallback
{
public:
IfBreaker (Rewriter &Rewrite) : Rewrite(Rewrite) {}
virtual void run(const MatchFinder::MatchResult &MR)
{
if (MR.Nodes.getNodeAs<clang::UnaryOperator>("uno") != nullptr)
{
const clang::UnaryOperator* UO = MR.Nodes.getNodeAs<clang::UnaryOperator>("uno");
SourceLocation SL = UO->getLocStart();
CheckSLValidity(SL);
SL = Devi::SourceLocationHasMacro(SL, Rewrite);
const Expr* EXP = UO->getSubExpr();
const ast_type_traits::DynTypedNode DynNode = ast_type_traits::DynTypedNode::create<clang::Expr>(*EXP);
bruiser::TypeInfo TIProto(&DynNode);
const clang::Type* CTP = TIProto.getTypeInfo(MR.Context);
//Matcher.addMatcher();
}
if (MR.Nodes.getNodeAs<clang::BinaryOperator>("dous") != nullptr)
{
const clang::BinaryOperator* BO = MR.Nodes.getNodeAs<clang::BinaryOperator>("dous");
SourceLocation SL = BO->getLocStart();
CheckSLValidity(SL);
SL = Devi::SourceLocationHasMacro(SL, Rewrite);
const Expr* LHS = BO->getLHS();
const Expr* RHS = BO->getRHS();
QualType LQT = LHS->getType();
QualType RQT = RHS->getType();
const clang::Type* LTP = LQT.getTypePtr();
const clang::Type* RTP = RQT.getTypePtr();
const clang::Type* CLTP = MR.Context->getCanonicalType(LTP);
const clang::Type* CRTP = MR.Context->getCanonicalType(RTP);
}
}
private:
Rewriter &Rewrite;
MatchFinder Matcher;
};
/**********************************************************************************************************************/
/**********************************************************************************************************************/
class MyASTConsumer : public ASTConsumer {
public:
MyASTConsumer(Rewriter &R) : HIfBreaker(R)
{}
void HandleTranslationUnit(ASTContext &Context) override
{
Matcher.addMatcher(ifStmt(hasDescendant(expr(anyOf(unaryOperator().bind("uno"), binaryOperator().bind("dous"))))), &HIfBreaker);
Matcher.matchAST(Context);
}
private:
IfBreaker HIfBreaker;
MatchFinder Matcher;
Rewriter R;
};
/**********************************************************************************************************************/
class MyFrontendAction : public ASTFrontendAction
{
public:
MyFrontendAction() {}
void EndSourceFileAction() override
{
TheRewriter.getEditBuffer(TheRewriter.getSourceMgr().getMainFileID()).write(llvm::outs());
}
std::unique_ptr<ASTConsumer> CreateASTConsumer(CompilerInstance &CI, StringRef file) override
{
TheRewriter.setSourceMgr(CI.getSourceManager(), CI.getLangOpts());
return llvm::make_unique<MyASTConsumer>(TheRewriter);
}
private:
Rewriter TheRewriter;
};
/**********************************************************************************************************************/
/*Main*/
int main(int argc, const char **argv)
{
CommonOptionsParser op(argc, argv, BruiserCategory);
ClangTool Tool(op.getCompilations(), op.getSourcePathList());
bruiser::BruiserReport BruiseRep;
return Tool.run(newFrontendActionFactory<MyFrontendAction>().get());
}
/*last line interntionally left blank.*/
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