diff options
Diffstat (limited to 'mutator-lvl0.cpp')
| -rw-r--r-- | mutator-lvl0.cpp | 164 |
1 files changed, 162 insertions, 2 deletions
diff --git a/mutator-lvl0.cpp b/mutator-lvl0.cpp index 8572775..a051e7e 100644 --- a/mutator-lvl0.cpp +++ b/mutator-lvl0.cpp @@ -17,8 +17,10 @@ #include "clang/AST/ASTConsumer.h" #include "clang/AST/ASTTypeTraits.h" #include "clang/AST/ASTContext.h" +#include "clang/AST/Expr.h" #include "clang/ASTMatchers/ASTMatchers.h" #include "clang/ASTMatchers/ASTMatchFinder.h" +#include "clang/Basic/OperatorKinds.h" #include "clang/Basic/SourceManager.h" #include "clang/Basic/IdentifierTable.h" #include "clang/Frontend/CompilerInstance.h" @@ -2258,6 +2260,15 @@ public: if (FSCond != nullptr) { + std::string multix = Rewrite.getRewrittenText(FSCond->getSourceRange()); + std::cout << "diagnostic" << ":" << multix << std::endl; + + + + } + + if (FSCond != nullptr) + { QualType QTCond = FSCond->getType(); const clang::Type* TPCond = QTCond.getTypePtr(); @@ -3802,7 +3813,7 @@ public: if (Devi::IsTheMatchInMainFile(MainFileOnly, MR, SL)) { std::cout << "10.1/2:" << "ImplicitCastExpr is narrowing:"; - std::cout << SL.printToString(*MR.SourceManager) << ":" << ICETypeSize << " " << ChildTypeSize << std::endl; + std::cout << SL.printToString(*MR.SourceManager) << ":" << std::endl; XMLDocOut.XMLAddNode(MR.Context, SL, "10.1/2", "ImplicitCastExpr is narrowing: "); JSONDocOUT.JSONAddElement(MR.Context, SL, "10.1/2", "ImplicitCastExpr is narrowing: "); @@ -4546,6 +4557,152 @@ private: Rewriter &Rewrite; }; /**********************************************************************************************************************/ +class MCExpr1211 : public MatchFinder::MatchCallback +{ +public: + MCExpr1211 (Rewriter &Rewrite) : Rewrite(Rewrite) {} + + virtual void run(const MatchFinder::MatchResult &MR) + { + if (MR.Nodes.getNodeAs<clang::Expr>("mcexpr1211") != nullptr) + { + const Expr* EXP = MR.Nodes.getNodeAs<clang::Expr>("mcexpr1211"); + + SourceLocation SL = EXP->getLocStart(); + SL = Devi::SourceLocationHasMacro(SL, Rewrite, "start"); + + SourceLocation SLE = EXP->getLocEnd(); + SLE = Devi::SourceLocationHasMacro(SLE, Rewrite, "start"); + + if (Devi::IsTheMatchInSysHeader(CheckSystemHeader, MR, SL)) + { + return void(); + } + + if (Devi::IsTheMatchInMainFile(MainFileOnly, MR, SL)) + { + /*intentionally left blank*/ + } + else + { + return void(); + } + + SourceRange SR; + SR.setBegin(SL); + SR.setEnd(SLE); + + std::string targetExpr = Rewrite.getRewrittenText(SR); + + ASTContext *const ASTC = MR.Context; + + QualType QT = EXP->getType(); + + const clang::Type* TP = QT.getTypePtr(); + + const clang::Type* CanonTP = ASTC->getCanonicalType(TP); + + bool TypeIsUSignedInt = CanonTP->getAsPlaceholderType()->isUnsignedInteger(); + + if (TypeIsUSignedInt) + { + int64_t UnoFinal = 0; + int64_t DousFinal = 0; + bool MatchedUno = false; + bool MatchedDous = false; + + /*@DEVI-compilers that actually treat post and pre inc or dec need more. this doesnt support that.*/ + if (MR.Nodes.getNodeAs<clang::UnaryOperator>("mcexpr1211uno") != nullptr) + { + MatchedUno = true; + + const UnaryOperator* UO = MR.Nodes.getNodeAs<clang::UnaryOperator>("mcexpr1211uno"); + + clang::UnaryOperator::Opcode UnoOpKind = UO->getOpcode(); + + const Expr* UnoSubEXP = UO->getSubExpr(); + + llvm::APSInt UnoResult; + + UnoFinal = UnoResult.getExtValue(); + + if (UnoSubEXP->EvaluateAsInt(UnoResult, *ASTC)) + { + if (UnoOpKind == UO_PostInc || UnoOpKind == UO_PreInc) + { + UnoFinal++; + } + else if (UnoOpKind == UO_PostDec || UnoOpKind == UO_PreDec) + { + UnoFinal--; + } + else + { + /*intentionally left blank. we cant get anything else. were only matching for these two unaryoperators.*/ + } + } + } + + if (MR.Nodes.getNodeAs<clang::BinaryOperator>("mcexpr1211dous") != nullptr) + { + MatchedDous = true; + + const BinaryOperator* BO = MR.Nodes.getNodeAs<clang::BinaryOperator>("mcexpr1211dous"); + + clang::BinaryOperator::Opcode DousOpKind = BO->getOpcode(); + + const Expr* DousLHS = BO->getLHS(); + const Expr* DousRHS = BO->getRHS(); + + llvm::APSInt DousLHSAPS; + llvm::APSInt DousRHSAPS; + + if (DousLHS->EvaluateAsInt(DousLHSAPS, *ASTC) && DousRHS->EvaluateAsInt(DousRHSAPS, *ASTC)) + { + int64_t DousLHSInt64 = DousLHSAPS.getExtValue(); + int64_t DousRHSInt64 = DousRHSAPS.getExtValue(); + + switch (DousOpKind) + { + case BO_Add: + DousFinal = DousRHSInt64 + DousLHSInt64; + break; + case BO_Sub: + DousFinal = DousRHSInt64 - DousLHSInt64; + break; + case BO_Div: + DousFinal = DousRHSInt64 / DousLHSInt64; + break; + case BO_Mul: + DousFinal = DousRHSInt64 * DousLHSInt64; + break; + default: + /*cant really happen, were not matching anything else.*/ + break; + } + } + } + + llvm::APSInt OverflowCondidate; + + EXP->EvaluateAsInt(OverflowCondidate, *ASTC); + + int64_t IntExprValue = OverflowCondidate.getExtValue(); + + if ((MatchedDous && (DousFinal != IntExprValue)) || (MatchedUno && (UnoFinal != IntExprValue))) + { + std::cout << "12.11" << ":" << "Constant Unsinged Expr evaluation resuslts in an overflow:" << ":" << SL.printToString(*MR.SourceManager) << ":" << IntExprValue << " " << DousFinal << " " << ":" << targetExpr << std::endl; + + XMLDocOut.XMLAddNode(MR.Context, SL, "12.11", "Constant Unsinged Expr evaluation resuslts in an overflow:"); + JSONDocOUT.JSONAddElement(MR.Context, SL, "12.11", "Constant Unsinged Expr evaluation resuslts in an overflow:"); + } + } + } + } + +private: + Rewriter &Rewrite; +}; /**********************************************************************************************************************/ /**********************************************************************************************************************/ /**********************************************************************************************************************/ @@ -5790,7 +5947,7 @@ public: HandlerForCSE137(R), HandlerForDCDF810(R), HandlerForFunction165(R), HandlerForFunction1652(R), HandlerForPointer171(R), \ HandlerForPointer1723(R), HandlerForPointer174(R), HandlerForPointer175(R), HandlerForTypes61(R), HandlerForSU181(R), \ HandlerForMCPTCCSTYLE(R), HandlerForATC101(R), HandlerForIdent5(R), HandlerForDCDF87(R), HandlerForLangX23(R), \ - HandlerForFunction167(R), HandlerForCF143(R), HandlerForExpr1212(R) { + HandlerForFunction167(R), HandlerForCF143(R), HandlerForExpr1212(R), HandlerForExpr1211(R) { #if 1 /*forstmts whithout a compound statement.*/ @@ -5991,6 +6148,8 @@ public: Matcher.addMatcher(nullStmt().bind("mccf143nullstmt"), &HandlerForCF143); Matcher.addMatcher(recordDecl(allOf(has(fieldDecl(hasType(realFloatingPointType()))), isUnion())).bind("mcexpr1212"), &HandlerForExpr1212); + + Matcher.addMatcher(expr(hasDescendant(expr(anyOf(unaryOperator(hasOperatorName("--"), hasOperatorName("++")).bind("mcexpr1211uno"), binaryOperator(anyOf(hasOperatorName("*"), hasOperatorName("/"), hasOperatorName("-"), hasOperatorName("+"))).bind("mcexpr1211dous"))))).bind("mcexpr1211"), &HandlerForExpr1211); #endif } @@ -6064,6 +6223,7 @@ private: MCFunction167 HandlerForFunction167; MCCF143 HandlerForCF143; MCExpr1212 HandlerForExpr1212; + MCExpr1211 HandlerForExpr1211; MatchFinder Matcher; }; /**********************************************************************************************************************/ |