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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 | |