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-rw-r--r--contrib/llvm/tools/clang/lib/StaticAnalyzer/Core/PlistDiagnostics.cpp513
1 files changed, 513 insertions, 0 deletions
diff --git a/contrib/llvm/tools/clang/lib/StaticAnalyzer/Core/PlistDiagnostics.cpp b/contrib/llvm/tools/clang/lib/StaticAnalyzer/Core/PlistDiagnostics.cpp
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+++ b/contrib/llvm/tools/clang/lib/StaticAnalyzer/Core/PlistDiagnostics.cpp
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+//===--- PlistDiagnostics.cpp - Plist Diagnostics for Paths -----*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines the PlistDiagnostics object.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/StaticAnalyzer/Core/PathDiagnosticConsumers.h"
+#include "clang/StaticAnalyzer/Core/BugReporter/PathDiagnostic.h"
+#include "clang/Basic/SourceManager.h"
+#include "clang/Basic/FileManager.h"
+#include "clang/Lex/Preprocessor.h"
+#include "llvm/Support/raw_ostream.h"
+#include "llvm/Support/Casting.h"
+#include "llvm/ADT/DenseMap.h"
+#include "llvm/ADT/SmallVector.h"
+using namespace clang;
+using namespace ento;
+
+typedef llvm::DenseMap<FileID, unsigned> FIDMap;
+
+
+namespace {
+ class PlistDiagnostics : public PathDiagnosticConsumer {
+ const std::string OutputFile;
+ const LangOptions &LangOpts;
+ OwningPtr<PathDiagnosticConsumer> SubPD;
+ bool flushed;
+ const bool SupportsCrossFileDiagnostics;
+ public:
+ PlistDiagnostics(const std::string& prefix, const LangOptions &LangOpts,
+ bool supportsMultipleFiles,
+ PathDiagnosticConsumer *subPD);
+
+ virtual ~PlistDiagnostics() {}
+
+ void FlushDiagnosticsImpl(std::vector<const PathDiagnostic *> &Diags,
+ SmallVectorImpl<std::string> *FilesMade);
+
+ virtual StringRef getName() const {
+ return "PlistDiagnostics";
+ }
+
+ PathGenerationScheme getGenerationScheme() const;
+ bool supportsLogicalOpControlFlow() const { return true; }
+ bool supportsAllBlockEdges() const { return true; }
+ virtual bool useVerboseDescription() const { return false; }
+ virtual bool supportsCrossFileDiagnostics() const {
+ return SupportsCrossFileDiagnostics;
+ }
+ };
+} // end anonymous namespace
+
+PlistDiagnostics::PlistDiagnostics(const std::string& output,
+ const LangOptions &LO,
+ bool supportsMultipleFiles,
+ PathDiagnosticConsumer *subPD)
+ : OutputFile(output), LangOpts(LO), SubPD(subPD), flushed(false),
+ SupportsCrossFileDiagnostics(supportsMultipleFiles) {}
+
+PathDiagnosticConsumer*
+ento::createPlistDiagnosticConsumer(const std::string& s, const Preprocessor &PP,
+ PathDiagnosticConsumer *subPD) {
+ return new PlistDiagnostics(s, PP.getLangOpts(), false, subPD);
+}
+
+PathDiagnosticConsumer*
+ento::createPlistMultiFileDiagnosticConsumer(const std::string &s,
+ const Preprocessor &PP) {
+ return new PlistDiagnostics(s, PP.getLangOpts(), true, 0);
+}
+
+PathDiagnosticConsumer::PathGenerationScheme
+PlistDiagnostics::getGenerationScheme() const {
+ if (const PathDiagnosticConsumer *PD = SubPD.get())
+ return PD->getGenerationScheme();
+
+ return Extensive;
+}
+
+static void AddFID(FIDMap &FIDs, SmallVectorImpl<FileID> &V,
+ const SourceManager* SM, SourceLocation L) {
+
+ FileID FID = SM->getFileID(SM->getExpansionLoc(L));
+ FIDMap::iterator I = FIDs.find(FID);
+ if (I != FIDs.end()) return;
+ FIDs[FID] = V.size();
+ V.push_back(FID);
+}
+
+static unsigned GetFID(const FIDMap& FIDs, const SourceManager &SM,
+ SourceLocation L) {
+ FileID FID = SM.getFileID(SM.getExpansionLoc(L));
+ FIDMap::const_iterator I = FIDs.find(FID);
+ assert(I != FIDs.end());
+ return I->second;
+}
+
+static raw_ostream &Indent(raw_ostream &o, const unsigned indent) {
+ for (unsigned i = 0; i < indent; ++i) o << ' ';
+ return o;
+}
+
+static void EmitLocation(raw_ostream &o, const SourceManager &SM,
+ const LangOptions &LangOpts,
+ SourceLocation L, const FIDMap &FM,
+ unsigned indent, bool extend = false) {
+
+ FullSourceLoc Loc(SM.getExpansionLoc(L), const_cast<SourceManager&>(SM));
+
+ // Add in the length of the token, so that we cover multi-char tokens.
+ unsigned offset =
+ extend ? Lexer::MeasureTokenLength(Loc, SM, LangOpts) - 1 : 0;
+
+ Indent(o, indent) << "<dict>\n";
+ Indent(o, indent) << " <key>line</key><integer>"
+ << Loc.getExpansionLineNumber() << "</integer>\n";
+ Indent(o, indent) << " <key>col</key><integer>"
+ << Loc.getExpansionColumnNumber() + offset << "</integer>\n";
+ Indent(o, indent) << " <key>file</key><integer>"
+ << GetFID(FM, SM, Loc) << "</integer>\n";
+ Indent(o, indent) << "</dict>\n";
+}
+
+static void EmitLocation(raw_ostream &o, const SourceManager &SM,
+ const LangOptions &LangOpts,
+ const PathDiagnosticLocation &L, const FIDMap& FM,
+ unsigned indent, bool extend = false) {
+ EmitLocation(o, SM, LangOpts, L.asLocation(), FM, indent, extend);
+}
+
+static void EmitRange(raw_ostream &o, const SourceManager &SM,
+ const LangOptions &LangOpts,
+ PathDiagnosticRange R, const FIDMap &FM,
+ unsigned indent) {
+ Indent(o, indent) << "<array>\n";
+ EmitLocation(o, SM, LangOpts, R.getBegin(), FM, indent+1);
+ EmitLocation(o, SM, LangOpts, R.getEnd(), FM, indent+1, !R.isPoint);
+ Indent(o, indent) << "</array>\n";
+}
+
+static raw_ostream &EmitString(raw_ostream &o, StringRef s) {
+ o << "<string>";
+ for (StringRef::const_iterator I = s.begin(), E = s.end(); I != E; ++I) {
+ char c = *I;
+ switch (c) {
+ default: o << c; break;
+ case '&': o << "&amp;"; break;
+ case '<': o << "&lt;"; break;
+ case '>': o << "&gt;"; break;
+ case '\'': o << "&apos;"; break;
+ case '\"': o << "&quot;"; break;
+ }
+ }
+ o << "</string>";
+ return o;
+}
+
+static void ReportControlFlow(raw_ostream &o,
+ const PathDiagnosticControlFlowPiece& P,
+ const FIDMap& FM,
+ const SourceManager &SM,
+ const LangOptions &LangOpts,
+ unsigned indent) {
+
+ Indent(o, indent) << "<dict>\n";
+ ++indent;
+
+ Indent(o, indent) << "<key>kind</key><string>control</string>\n";
+
+ // Emit edges.
+ Indent(o, indent) << "<key>edges</key>\n";
+ ++indent;
+ Indent(o, indent) << "<array>\n";
+ ++indent;
+ for (PathDiagnosticControlFlowPiece::const_iterator I=P.begin(), E=P.end();
+ I!=E; ++I) {
+ Indent(o, indent) << "<dict>\n";
+ ++indent;
+ Indent(o, indent) << "<key>start</key>\n";
+ EmitRange(o, SM, LangOpts, I->getStart().asRange(), FM, indent+1);
+ Indent(o, indent) << "<key>end</key>\n";
+ EmitRange(o, SM, LangOpts, I->getEnd().asRange(), FM, indent+1);
+ --indent;
+ Indent(o, indent) << "</dict>\n";
+ }
+ --indent;
+ Indent(o, indent) << "</array>\n";
+ --indent;
+
+ // Output any helper text.
+ const std::string& s = P.getString();
+ if (!s.empty()) {
+ Indent(o, indent) << "<key>alternate</key>";
+ EmitString(o, s) << '\n';
+ }
+
+ --indent;
+ Indent(o, indent) << "</dict>\n";
+}
+
+static void ReportEvent(raw_ostream &o, const PathDiagnosticPiece& P,
+ const FIDMap& FM,
+ const SourceManager &SM,
+ const LangOptions &LangOpts,
+ unsigned indent,
+ unsigned depth) {
+
+ Indent(o, indent) << "<dict>\n";
+ ++indent;
+
+ Indent(o, indent) << "<key>kind</key><string>event</string>\n";
+
+ // Output the location.
+ FullSourceLoc L = P.getLocation().asLocation();
+
+ Indent(o, indent) << "<key>location</key>\n";
+ EmitLocation(o, SM, LangOpts, L, FM, indent);
+
+ // Output the ranges (if any).
+ PathDiagnosticPiece::range_iterator RI = P.ranges_begin(),
+ RE = P.ranges_end();
+
+ if (RI != RE) {
+ Indent(o, indent) << "<key>ranges</key>\n";
+ Indent(o, indent) << "<array>\n";
+ ++indent;
+ for (; RI != RE; ++RI)
+ EmitRange(o, SM, LangOpts, *RI, FM, indent+1);
+ --indent;
+ Indent(o, indent) << "</array>\n";
+ }
+
+ // Output the call depth.
+ Indent(o, indent) << "<key>depth</key>"
+ << "<integer>" << depth << "</integer>\n";
+
+ // Output the text.
+ assert(!P.getString().empty());
+ Indent(o, indent) << "<key>extended_message</key>\n";
+ Indent(o, indent);
+ EmitString(o, P.getString()) << '\n';
+
+ // Output the short text.
+ // FIXME: Really use a short string.
+ Indent(o, indent) << "<key>message</key>\n";
+ EmitString(o, P.getString()) << '\n';
+
+ // Finish up.
+ --indent;
+ Indent(o, indent); o << "</dict>\n";
+}
+
+static void ReportPiece(raw_ostream &o,
+ const PathDiagnosticPiece &P,
+ const FIDMap& FM, const SourceManager &SM,
+ const LangOptions &LangOpts,
+ unsigned indent,
+ unsigned depth,
+ bool includeControlFlow);
+
+static void ReportCall(raw_ostream &o,
+ const PathDiagnosticCallPiece &P,
+ const FIDMap& FM, const SourceManager &SM,
+ const LangOptions &LangOpts,
+ unsigned indent,
+ unsigned depth) {
+
+ IntrusiveRefCntPtr<PathDiagnosticEventPiece> callEnter =
+ P.getCallEnterEvent();
+
+ if (callEnter)
+ ReportPiece(o, *callEnter, FM, SM, LangOpts, indent, depth, true);
+
+ IntrusiveRefCntPtr<PathDiagnosticEventPiece> callEnterWithinCaller =
+ P.getCallEnterWithinCallerEvent();
+
+ ++depth;
+
+ if (callEnterWithinCaller)
+ ReportPiece(o, *callEnterWithinCaller, FM, SM, LangOpts,
+ indent, depth, true);
+
+ for (PathPieces::const_iterator I = P.path.begin(), E = P.path.end();I!=E;++I)
+ ReportPiece(o, **I, FM, SM, LangOpts, indent, depth, true);
+
+ IntrusiveRefCntPtr<PathDiagnosticEventPiece> callExit =
+ P.getCallExitEvent();
+
+ if (callExit)
+ ReportPiece(o, *callExit, FM, SM, LangOpts, indent, depth, true);
+}
+
+static void ReportMacro(raw_ostream &o,
+ const PathDiagnosticMacroPiece& P,
+ const FIDMap& FM, const SourceManager &SM,
+ const LangOptions &LangOpts,
+ unsigned indent,
+ unsigned depth) {
+
+ for (PathPieces::const_iterator I = P.subPieces.begin(), E=P.subPieces.end();
+ I!=E; ++I) {
+ ReportPiece(o, **I, FM, SM, LangOpts, indent, depth, false);
+ }
+}
+
+static void ReportDiag(raw_ostream &o, const PathDiagnosticPiece& P,
+ const FIDMap& FM, const SourceManager &SM,
+ const LangOptions &LangOpts) {
+ ReportPiece(o, P, FM, SM, LangOpts, 4, 0, true);
+}
+
+static void ReportPiece(raw_ostream &o,
+ const PathDiagnosticPiece &P,
+ const FIDMap& FM, const SourceManager &SM,
+ const LangOptions &LangOpts,
+ unsigned indent,
+ unsigned depth,
+ bool includeControlFlow) {
+ switch (P.getKind()) {
+ case PathDiagnosticPiece::ControlFlow:
+ if (includeControlFlow)
+ ReportControlFlow(o, cast<PathDiagnosticControlFlowPiece>(P), FM, SM,
+ LangOpts, indent);
+ break;
+ case PathDiagnosticPiece::Call:
+ ReportCall(o, cast<PathDiagnosticCallPiece>(P), FM, SM, LangOpts,
+ indent, depth);
+ break;
+ case PathDiagnosticPiece::Event:
+ ReportEvent(o, cast<PathDiagnosticSpotPiece>(P), FM, SM, LangOpts,
+ indent, depth);
+ break;
+ case PathDiagnosticPiece::Macro:
+ ReportMacro(o, cast<PathDiagnosticMacroPiece>(P), FM, SM, LangOpts,
+ indent, depth);
+ break;
+ }
+}
+
+void PlistDiagnostics::FlushDiagnosticsImpl(
+ std::vector<const PathDiagnostic *> &Diags,
+ SmallVectorImpl<std::string> *FilesMade) {
+ // Build up a set of FIDs that we use by scanning the locations and
+ // ranges of the diagnostics.
+ FIDMap FM;
+ SmallVector<FileID, 10> Fids;
+ const SourceManager* SM = 0;
+
+ if (!Diags.empty())
+ SM = &(*(*Diags.begin())->path.begin())->getLocation().getManager();
+
+
+ for (std::vector<const PathDiagnostic*>::iterator DI = Diags.begin(),
+ DE = Diags.end(); DI != DE; ++DI) {
+
+ const PathDiagnostic *D = *DI;
+
+ llvm::SmallVector<const PathPieces *, 5> WorkList;
+ WorkList.push_back(&D->path);
+
+ while (!WorkList.empty()) {
+ const PathPieces &path = *WorkList.back();
+ WorkList.pop_back();
+
+ for (PathPieces::const_iterator I = path.begin(), E = path.end();
+ I!=E; ++I) {
+ const PathDiagnosticPiece *piece = I->getPtr();
+ AddFID(FM, Fids, SM, piece->getLocation().asLocation());
+
+ for (PathDiagnosticPiece::range_iterator RI = piece->ranges_begin(),
+ RE= piece->ranges_end(); RI != RE; ++RI) {
+ AddFID(FM, Fids, SM, RI->getBegin());
+ AddFID(FM, Fids, SM, RI->getEnd());
+ }
+
+ if (const PathDiagnosticCallPiece *call =
+ dyn_cast<PathDiagnosticCallPiece>(piece)) {
+ WorkList.push_back(&call->path);
+ }
+ else if (const PathDiagnosticMacroPiece *macro =
+ dyn_cast<PathDiagnosticMacroPiece>(piece)) {
+ WorkList.push_back(&macro->subPieces);
+ }
+ }
+ }
+ }
+
+ // Open the file.
+ std::string ErrMsg;
+ llvm::raw_fd_ostream o(OutputFile.c_str(), ErrMsg);
+ if (!ErrMsg.empty()) {
+ llvm::errs() << "warning: could not create file: " << OutputFile << '\n';
+ return;
+ }
+
+ // Write the plist header.
+ o << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+ "<!DOCTYPE plist PUBLIC \"-//Apple Computer//DTD PLIST 1.0//EN\" "
+ "\"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">\n"
+ "<plist version=\"1.0\">\n";
+
+ // Write the root object: a <dict> containing...
+ // - "files", an <array> mapping from FIDs to file names
+ // - "diagnostics", an <array> containing the path diagnostics
+ o << "<dict>\n"
+ " <key>files</key>\n"
+ " <array>\n";
+
+ for (SmallVectorImpl<FileID>::iterator I=Fids.begin(), E=Fids.end();
+ I!=E; ++I) {
+ o << " ";
+ EmitString(o, SM->getFileEntryForID(*I)->getName()) << '\n';
+ }
+
+ o << " </array>\n"
+ " <key>diagnostics</key>\n"
+ " <array>\n";
+
+ for (std::vector<const PathDiagnostic*>::iterator DI=Diags.begin(),
+ DE = Diags.end(); DI!=DE; ++DI) {
+
+ o << " <dict>\n"
+ " <key>path</key>\n";
+
+ const PathDiagnostic *D = *DI;
+
+ o << " <array>\n";
+
+ for (PathPieces::const_iterator I = D->path.begin(), E = D->path.end();
+ I != E; ++I)
+ ReportDiag(o, **I, FM, *SM, LangOpts);
+
+ o << " </array>\n";
+
+ // Output the bug type and bug category.
+ o << " <key>description</key>";
+ EmitString(o, D->getDescription()) << '\n';
+ o << " <key>category</key>";
+ EmitString(o, D->getCategory()) << '\n';
+ o << " <key>type</key>";
+ EmitString(o, D->getBugType()) << '\n';
+
+ // Output information about the semantic context where
+ // the issue occurred.
+ if (const Decl *DeclWithIssue = D->getDeclWithIssue()) {
+ // FIXME: handle blocks, which have no name.
+ if (const NamedDecl *ND = dyn_cast<NamedDecl>(DeclWithIssue)) {
+ StringRef declKind;
+ switch (ND->getKind()) {
+ case Decl::CXXRecord:
+ declKind = "C++ class";
+ break;
+ case Decl::CXXMethod:
+ declKind = "C++ method";
+ break;
+ case Decl::ObjCMethod:
+ declKind = "Objective-C method";
+ break;
+ case Decl::Function:
+ declKind = "function";
+ break;
+ default:
+ break;
+ }
+ if (!declKind.empty()) {
+ const std::string &declName = ND->getDeclName().getAsString();
+ o << " <key>issue_context_kind</key>";
+ EmitString(o, declKind) << '\n';
+ o << " <key>issue_context</key>";
+ EmitString(o, declName) << '\n';
+ }
+ }
+ }
+
+ // Output the location of the bug.
+ o << " <key>location</key>\n";
+ EmitLocation(o, *SM, LangOpts, D->getLocation(), FM, 2);
+
+ // Output the diagnostic to the sub-diagnostic client, if any.
+ if (SubPD) {
+ std::vector<const PathDiagnostic *> SubDiags;
+ SubDiags.push_back(D);
+ SmallVector<std::string, 1> SubFilesMade;
+ SubPD->FlushDiagnosticsImpl(SubDiags, &SubFilesMade);
+
+ if (!SubFilesMade.empty()) {
+ o << " <key>" << SubPD->getName() << "_files</key>\n";
+ o << " <array>\n";
+ for (size_t i = 0, n = SubFilesMade.size(); i < n ; ++i)
+ o << " <string>" << SubFilesMade[i] << "</string>\n";
+ o << " </array>\n";
+ }
+ }
+
+ // Close up the entry.
+ o << " </dict>\n";
+ }
+
+ o << " </array>\n";
+
+ // Finish.
+ o << "</dict>\n</plist>";
+
+ if (FilesMade)
+ FilesMade->push_back(OutputFile);
+}
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