diff options
Diffstat (limited to 'clang/lib/StaticAnalyzer/Core')
-rw-r--r-- | clang/lib/StaticAnalyzer/Core/AnalyzerOptions.cpp | 7 | ||||
-rw-r--r-- | clang/lib/StaticAnalyzer/Core/BugReporter.cpp | 79 | ||||
-rw-r--r-- | clang/lib/StaticAnalyzer/Core/HTMLDiagnostics.cpp | 88 | ||||
-rw-r--r-- | clang/lib/StaticAnalyzer/Core/PathDiagnostic.cpp | 15 | ||||
-rw-r--r-- | clang/lib/StaticAnalyzer/Core/PlistDiagnostics.cpp | 3 |
5 files changed, 146 insertions, 46 deletions
diff --git a/clang/lib/StaticAnalyzer/Core/AnalyzerOptions.cpp b/clang/lib/StaticAnalyzer/Core/AnalyzerOptions.cpp index 54c668cd2d6..86c194e8fae 100644 --- a/clang/lib/StaticAnalyzer/Core/AnalyzerOptions.cpp +++ b/clang/lib/StaticAnalyzer/Core/AnalyzerOptions.cpp @@ -344,3 +344,10 @@ bool AnalyzerOptions::shouldWidenLoops() { WidenLoops = getBooleanOption("widen-loops", /*Default=*/false); return WidenLoops.getValue(); } + +bool AnalyzerOptions::shouldDisplayNotesAsEvents() { + if (!DisplayNotesAsEvents.hasValue()) + DisplayNotesAsEvents = + getBooleanOption("notes-as-events", /*Default=*/false); + return DisplayNotesAsEvents.getValue(); +} diff --git a/clang/lib/StaticAnalyzer/Core/BugReporter.cpp b/clang/lib/StaticAnalyzer/Core/BugReporter.cpp index 1800eff76bd..9bc7470c61d 100644 --- a/clang/lib/StaticAnalyzer/Core/BugReporter.cpp +++ b/clang/lib/StaticAnalyzer/Core/BugReporter.cpp @@ -114,15 +114,15 @@ static void removeRedundantMsgs(PathPieces &path) { path.pop_front(); switch (piece->getKind()) { - case clang::ento::PathDiagnosticPiece::Call: + case PathDiagnosticPiece::Call: removeRedundantMsgs(cast<PathDiagnosticCallPiece>(piece)->path); break; - case clang::ento::PathDiagnosticPiece::Macro: + case PathDiagnosticPiece::Macro: removeRedundantMsgs(cast<PathDiagnosticMacroPiece>(piece)->subPieces); break; - case clang::ento::PathDiagnosticPiece::ControlFlow: + case PathDiagnosticPiece::ControlFlow: break; - case clang::ento::PathDiagnosticPiece::Event: { + case PathDiagnosticPiece::Event: { if (i == N-1) break; @@ -142,6 +142,8 @@ static void removeRedundantMsgs(PathPieces &path) { } break; } + case PathDiagnosticPiece::Note: + break; } path.push_back(piece); } @@ -199,6 +201,9 @@ static bool removeUnneededCalls(PathPieces &pieces, BugReport *R, } case PathDiagnosticPiece::ControlFlow: break; + + case PathDiagnosticPiece::Note: + break; } pieces.push_back(piece); @@ -2554,6 +2559,12 @@ BugReport::~BugReport() { while (!interestingSymbols.empty()) { popInterestingSymbolsAndRegions(); } + + // FIXME: Replace Notes with a list of shared pointers. + for (const auto *P: Notes) { + delete P; + } + Notes.clear(); } const Decl *BugReport::getDeclWithIssue() const { @@ -3405,25 +3416,28 @@ void BugReporter::FlushReport(BugReport *exampleReport, exampleReport->getUniqueingLocation(), exampleReport->getUniqueingDecl())); - MaxBugClassSize = std::max(bugReports.size(), - static_cast<size_t>(MaxBugClassSize)); + if (exampleReport->isPathSensitive()) { + // Generate the full path diagnostic, using the generation scheme + // specified by the PathDiagnosticConsumer. Note that we have to generate + // path diagnostics even for consumers which do not support paths, because + // the BugReporterVisitors may mark this bug as a false positive. + assert(!bugReports.empty()); + + MaxBugClassSize = + std::max(bugReports.size(), static_cast<size_t>(MaxBugClassSize)); - // Generate the full path diagnostic, using the generation scheme - // specified by the PathDiagnosticConsumer. Note that we have to generate - // path diagnostics even for consumers which do not support paths, because - // the BugReporterVisitors may mark this bug as a false positive. - if (!bugReports.empty()) if (!generatePathDiagnostic(*D.get(), PD, bugReports)) return; - MaxValidBugClassSize = std::max(bugReports.size(), - static_cast<size_t>(MaxValidBugClassSize)); + MaxValidBugClassSize = + std::max(bugReports.size(), static_cast<size_t>(MaxValidBugClassSize)); - // Examine the report and see if the last piece is in a header. Reset the - // report location to the last piece in the main source file. - AnalyzerOptions& Opts = getAnalyzerOptions(); - if (Opts.shouldReportIssuesInMainSourceFile() && !Opts.AnalyzeAll) - D->resetDiagnosticLocationToMainFile(); + // Examine the report and see if the last piece is in a header. Reset the + // report location to the last piece in the main source file. + AnalyzerOptions &Opts = getAnalyzerOptions(); + if (Opts.shouldReportIssuesInMainSourceFile() && !Opts.AnalyzeAll) + D->resetDiagnosticLocationToMainFile(); + } // If the path is empty, generate a single step path with the location // of the issue. @@ -3436,6 +3450,28 @@ void BugReporter::FlushReport(BugReport *exampleReport, D->setEndOfPath(std::move(piece)); } + PathPieces &Pieces = D->getMutablePieces(); + bool ShouldConvert = getAnalyzerOptions().shouldDisplayNotesAsEvents(); + // For path diagnostic consumers that don't support extra notes, + // we may optionally convert those to path notes. + for (auto I = exampleReport->getNotes().rbegin(), + E = exampleReport->getNotes().rend(); I != E; ++I) { + const PathDiagnosticNotePiece *Piece = *I; + // FIXME: getNotes() was supposed to return a list of shared pointers, + // and then we wouldn't normally create a new piece here, + // unless ShouldConvert is set. + PathDiagnosticPiece *ConvertedPiece = + ShouldConvert + ? static_cast<PathDiagnosticPiece *>(new PathDiagnosticEventPiece( + Piece->getLocation(), Piece->getString())) + : static_cast<PathDiagnosticPiece *>(new PathDiagnosticNotePiece( + Piece->getLocation(), Piece->getString())); + for (const auto &R : Piece->getRanges()) + ConvertedPiece->addRange(R); + + Pieces.push_front(ConvertedPiece); + } + // Get the meta data. const BugReport::ExtraTextList &Meta = exampleReport->getExtraText(); for (BugReport::ExtraTextList::const_iterator i = Meta.begin(), @@ -3520,6 +3556,13 @@ LLVM_DUMP_METHOD void PathDiagnosticMacroPiece::dump() const { // FIXME: Print which macro is being invoked. } +LLVM_DUMP_METHOD void PathDiagnosticNotePiece::dump() const { + llvm::errs() << "NOTE\n--------------\n"; + llvm::errs() << getString() << "\n"; + llvm::errs() << " ---- at ----\n"; + getLocation().dump(); +} + LLVM_DUMP_METHOD void PathDiagnosticLocation::dump() const { if (!isValid()) { llvm::errs() << "<INVALID>\n"; diff --git a/clang/lib/StaticAnalyzer/Core/HTMLDiagnostics.cpp b/clang/lib/StaticAnalyzer/Core/HTMLDiagnostics.cpp index 3a18956e413..f157c3dd6ce 100644 --- a/clang/lib/StaticAnalyzer/Core/HTMLDiagnostics.cpp +++ b/clang/lib/StaticAnalyzer/Core/HTMLDiagnostics.cpp @@ -152,13 +152,30 @@ void HTMLDiagnostics::ReportDiag(const PathDiagnostic& D, } // Process the path. - unsigned n = path.size(); - unsigned max = n; - - for (PathPieces::const_reverse_iterator I = path.rbegin(), - E = path.rend(); - I != E; ++I, --n) - HandlePiece(R, FID, **I, n, max); + // Maintain the counts of extra note pieces separately. + unsigned TotalPieces = path.size(); + unsigned TotalNotePieces = + std::count_if(path.begin(), path.end(), + [](const IntrusiveRefCntPtr<PathDiagnosticPiece> &p) { + return isa<PathDiagnosticNotePiece>(p.get()); + }); + + unsigned TotalRegularPieces = TotalPieces - TotalNotePieces; + unsigned NumRegularPieces = TotalRegularPieces; + unsigned NumNotePieces = TotalNotePieces; + + for (auto I = path.rbegin(), E = path.rend(); I != E; ++I) { + if (isa<PathDiagnosticNotePiece>(I->get())) { + // This adds diagnostic bubbles, but not navigation. + // Navigation through note pieces would be added later, + // as a separate pass through the piece list. + HandlePiece(R, FID, **I, NumNotePieces, TotalNotePieces); + --NumNotePieces; + } else { + HandlePiece(R, FID, **I, NumRegularPieces, TotalRegularPieces); + --NumRegularPieces; + } + } // Add line numbers, header, footer, etc. @@ -192,24 +209,38 @@ void HTMLDiagnostics::ReportDiag(const PathDiagnostic& D, int ColumnNumber = path.back()->getLocation().asLocation().getExpansionColumnNumber(); // Add the name of the file as an <h1> tag. - { std::string s; llvm::raw_string_ostream os(s); os << "<!-- REPORTHEADER -->\n" - << "<h3>Bug Summary</h3>\n<table class=\"simpletable\">\n" + << "<h3>Bug Summary</h3>\n<table class=\"simpletable\">\n" "<tr><td class=\"rowname\">File:</td><td>" - << html::EscapeText(DirName) - << html::EscapeText(Entry->getName()) - << "</td></tr>\n<tr><td class=\"rowname\">Location:</td><td>" - "<a href=\"#EndPath\">line " - << LineNumber - << ", column " - << ColumnNumber - << "</a></td></tr>\n" - "<tr><td class=\"rowname\">Description:</td><td>" - << D.getVerboseDescription() << "</td></tr>\n"; + << html::EscapeText(DirName) + << html::EscapeText(Entry->getName()) + << "</td></tr>\n<tr><td class=\"rowname\">Warning:</td><td>" + "<a href=\"#EndPath\">line " + << LineNumber + << ", column " + << ColumnNumber + << "</a><br />" + << D.getVerboseDescription() << "</td></tr>\n"; + + // The navigation across the extra notes pieces. + unsigned NumExtraPieces = 0; + for (const auto &Piece : path) { + if (const auto *P = dyn_cast<PathDiagnosticNotePiece>(Piece.get())) { + int LineNumber = + P->getLocation().asLocation().getExpansionLineNumber(); + int ColumnNumber = + P->getLocation().asLocation().getExpansionColumnNumber(); + os << "<tr><td class=\"rowname\">Note:</td><td>" + << "<a href=\"#Note" << NumExtraPieces << "\">line " + << LineNumber << ", column " << ColumnNumber << "</a><br />" + << P->getString() << "</td></tr>"; + ++NumExtraPieces; + } + } // Output any other meta data. @@ -385,13 +416,20 @@ void HTMLDiagnostics::HandlePiece(Rewriter& R, FileID BugFileID, // Create the html for the message. const char *Kind = nullptr; + bool IsNote = false; + bool SuppressIndex = (max == 1); switch (P.getKind()) { case PathDiagnosticPiece::Call: - llvm_unreachable("Calls should already be handled"); + llvm_unreachable("Calls and extra notes should already be handled"); case PathDiagnosticPiece::Event: Kind = "Event"; break; case PathDiagnosticPiece::ControlFlow: Kind = "Control"; break; // Setting Kind to "Control" is intentional. case PathDiagnosticPiece::Macro: Kind = "Control"; break; + case PathDiagnosticPiece::Note: + Kind = "Note"; + IsNote = true; + SuppressIndex = true; + break; } std::string sbuf; @@ -399,7 +437,9 @@ void HTMLDiagnostics::HandlePiece(Rewriter& R, FileID BugFileID, os << "\n<tr><td class=\"num\"></td><td class=\"line\"><div id=\""; - if (num == max) + if (IsNote) + os << "Note" << num; + else if (num == max) os << "EndPath"; else os << "Path" << num; @@ -461,7 +501,7 @@ void HTMLDiagnostics::HandlePiece(Rewriter& R, FileID BugFileID, os << "\">"; - if (max > 1) { + if (!SuppressIndex) { os << "<table class=\"msgT\"><tr><td valign=\"top\">"; os << "<div class=\"PathIndex"; if (Kind) os << " PathIndex" << Kind; @@ -501,7 +541,7 @@ void HTMLDiagnostics::HandlePiece(Rewriter& R, FileID BugFileID, os << "':\n"; - if (max > 1) { + if (!SuppressIndex) { os << "</td>"; if (num < max) { os << "<td><div class=\"PathNav\"><a href=\"#"; @@ -523,7 +563,7 @@ void HTMLDiagnostics::HandlePiece(Rewriter& R, FileID BugFileID, else { os << html::EscapeText(P.getString()); - if (max > 1) { + if (!SuppressIndex) { os << "</td>"; if (num < max) { os << "<td><div class=\"PathNav\"><a href=\"#"; diff --git a/clang/lib/StaticAnalyzer/Core/PathDiagnostic.cpp b/clang/lib/StaticAnalyzer/Core/PathDiagnostic.cpp index 9d2f7e8c2e8..5675cb2026f 100644 --- a/clang/lib/StaticAnalyzer/Core/PathDiagnostic.cpp +++ b/clang/lib/StaticAnalyzer/Core/PathDiagnostic.cpp @@ -60,6 +60,7 @@ PathDiagnosticEventPiece::~PathDiagnosticEventPiece() {} PathDiagnosticCallPiece::~PathDiagnosticCallPiece() {} PathDiagnosticControlFlowPiece::~PathDiagnosticControlFlowPiece() {} PathDiagnosticMacroPiece::~PathDiagnosticMacroPiece() {} +PathDiagnosticNotePiece::~PathDiagnosticNotePiece() {} void PathPieces::flattenTo(PathPieces &Primary, PathPieces &Current, bool ShouldFlattenMacros) const { @@ -95,6 +96,7 @@ void PathPieces::flattenTo(PathPieces &Primary, PathPieces &Current, } case PathDiagnosticPiece::Event: case PathDiagnosticPiece::ControlFlow: + case PathDiagnosticPiece::Note: Current.push_back(Piece); break; } @@ -354,15 +356,16 @@ static Optional<bool> comparePiece(const PathDiagnosticPiece &X, } switch (X.getKind()) { - case clang::ento::PathDiagnosticPiece::ControlFlow: + case PathDiagnosticPiece::ControlFlow: return compareControlFlow(cast<PathDiagnosticControlFlowPiece>(X), cast<PathDiagnosticControlFlowPiece>(Y)); - case clang::ento::PathDiagnosticPiece::Event: + case PathDiagnosticPiece::Event: + case PathDiagnosticPiece::Note: return None; - case clang::ento::PathDiagnosticPiece::Macro: + case PathDiagnosticPiece::Macro: return compareMacro(cast<PathDiagnosticMacroPiece>(X), cast<PathDiagnosticMacroPiece>(Y)); - case clang::ento::PathDiagnosticPiece::Call: + case PathDiagnosticPiece::Call: return compareCall(cast<PathDiagnosticCallPiece>(X), cast<PathDiagnosticCallPiece>(Y)); } @@ -1110,6 +1113,10 @@ void PathDiagnosticMacroPiece::Profile(llvm::FoldingSetNodeID &ID) const { ID.Add(**I); } +void PathDiagnosticNotePiece::Profile(llvm::FoldingSetNodeID &ID) const { + PathDiagnosticSpotPiece::Profile(ID); +} + void PathDiagnostic::Profile(llvm::FoldingSetNodeID &ID) const { ID.Add(getLocation()); ID.AddString(BugType); diff --git a/clang/lib/StaticAnalyzer/Core/PlistDiagnostics.cpp b/clang/lib/StaticAnalyzer/Core/PlistDiagnostics.cpp index 206156ca22a..c5263ee0e5c 100644 --- a/clang/lib/StaticAnalyzer/Core/PlistDiagnostics.cpp +++ b/clang/lib/StaticAnalyzer/Core/PlistDiagnostics.cpp @@ -281,6 +281,9 @@ static void ReportPiece(raw_ostream &o, ReportMacro(o, cast<PathDiagnosticMacroPiece>(P), FM, SM, LangOpts, indent, depth); break; + case PathDiagnosticPiece::Note: + // FIXME: Extend the plist format to support those. + break; } } |