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| 15 | #include "MPIBugReporter.h" |
| 16 | #include "MPIChecker.h" |
| 17 | #include "clang/StaticAnalyzer/Core/PathSensitive/CallEvent.h" |
| 18 | |
| 19 | namespace clang { |
| 20 | namespace ento { |
| 21 | namespace mpi { |
| 22 | |
| 23 | void MPIBugReporter::reportDoubleNonblocking( |
| 24 | const CallEvent &MPICallEvent, const ento::mpi::Request &Req, |
| 25 | const MemRegion *const RequestRegion, |
| 26 | const ExplodedNode *const ExplNode, |
| 27 | BugReporter &BReporter) const { |
| 28 | |
| 29 | std::string ErrorText; |
| 30 | ErrorText = "Double nonblocking on request " + |
| 31 | RequestRegion->getDescriptiveName() + ". "; |
| 32 | |
| 33 | auto Report = llvm::make_unique<BugReport>(*DoubleNonblockingBugType, |
| 34 | ErrorText, ExplNode); |
| 35 | |
| 36 | Report->addRange(MPICallEvent.getSourceRange()); |
| 37 | SourceRange Range = RequestRegion->sourceRange(); |
| 38 | |
| 39 | if (Range.isValid()) |
| 40 | Report->addRange(Range); |
| 41 | |
| 42 | Report->addVisitor(llvm::make_unique<RequestNodeVisitor>( |
| 43 | RequestRegion, "Request is previously used by nonblocking call here. ")); |
| 44 | Report->markInteresting(RequestRegion); |
| 45 | |
| 46 | BReporter.emitReport(std::move(Report)); |
| 47 | } |
| 48 | |
| 49 | void MPIBugReporter::reportMissingWait( |
| 50 | const ento::mpi::Request &Req, const MemRegion *const RequestRegion, |
| 51 | const ExplodedNode *const ExplNode, |
| 52 | BugReporter &BReporter) const { |
| 53 | std::string ErrorText{"Request " + RequestRegion->getDescriptiveName() + |
| 54 | " has no matching wait. "}; |
| 55 | |
| 56 | auto Report = |
| 57 | llvm::make_unique<BugReport>(*MissingWaitBugType, ErrorText, ExplNode); |
| 58 | |
| 59 | SourceRange Range = RequestRegion->sourceRange(); |
| 60 | if (Range.isValid()) |
| 61 | Report->addRange(Range); |
| 62 | Report->addVisitor(llvm::make_unique<RequestNodeVisitor>( |
| 63 | RequestRegion, "Request is previously used by nonblocking call here. ")); |
| 64 | Report->markInteresting(RequestRegion); |
| 65 | |
| 66 | BReporter.emitReport(std::move(Report)); |
| 67 | } |
| 68 | |
| 69 | void MPIBugReporter::reportUnmatchedWait( |
| 70 | const CallEvent &CE, const clang::ento::MemRegion *const RequestRegion, |
| 71 | const ExplodedNode *const ExplNode, |
| 72 | BugReporter &BReporter) const { |
| 73 | std::string ErrorText{"Request " + RequestRegion->getDescriptiveName() + |
| 74 | " has no matching nonblocking call. "}; |
| 75 | |
| 76 | auto Report = |
| 77 | llvm::make_unique<BugReport>(*UnmatchedWaitBugType, ErrorText, ExplNode); |
| 78 | |
| 79 | Report->addRange(CE.getSourceRange()); |
| 80 | SourceRange Range = RequestRegion->sourceRange(); |
| 81 | if (Range.isValid()) |
| 82 | Report->addRange(Range); |
| 83 | |
| 84 | BReporter.emitReport(std::move(Report)); |
| 85 | } |
| 86 | |
| 87 | std::shared_ptr<PathDiagnosticPiece> |
| 88 | MPIBugReporter::RequestNodeVisitor::VisitNode(const ExplodedNode *N, |
| 89 | BugReporterContext &BRC, |
| 90 | BugReport &BR) { |
| 91 | |
| 92 | if (IsNodeFound) |
| 93 | return nullptr; |
| 94 | |
| 95 | const Request *const Req = N->getState()->get<RequestMap>(RequestRegion); |
| 96 | const Request *const PrevReq = |
| 97 | N->getFirstPred()->getState()->get<RequestMap>(RequestRegion); |
| 98 | |
| 99 | |
| 100 | if ((Req && !PrevReq) || (Req->CurrentState != PrevReq->CurrentState)) { |
| 101 | IsNodeFound = true; |
| 102 | |
| 103 | ProgramPoint P = N->getFirstPred()->getLocation(); |
| 104 | PathDiagnosticLocation L = |
| 105 | PathDiagnosticLocation::create(P, BRC.getSourceManager()); |
| 106 | |
| 107 | return std::make_shared<PathDiagnosticEventPiece>(L, ErrorText); |
| 108 | } |
| 109 | |
| 110 | return nullptr; |
| 111 | } |
| 112 | |
| 113 | } |
| 114 | } |
| 115 | } |
| 116 | |