1 //===--- TextPathDiagnostics.cpp - Text Diagnostics for Paths ---*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file defines the TextPathDiagnostics object. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #include "clang/StaticAnalyzer/Core/PathDiagnosticConsumers.h" 15 #include "clang/Lex/Preprocessor.h" 16 #include "clang/StaticAnalyzer/Core/BugReporter/PathDiagnostic.h" 17 #include "llvm/Support/raw_ostream.h" 18 using namespace clang; 19 using namespace ento; 20 using namespace llvm; 21 22 namespace { 23 24 /// \brief Simple path diagnostic client used for outputting as diagnostic notes 25 /// the sequence of events. 26 class TextPathDiagnostics : public PathDiagnosticConsumer { 27 const std::string OutputFile; 28 DiagnosticsEngine &Diag; 29 30 public: 31 TextPathDiagnostics(const std::string& output, DiagnosticsEngine &diag) 32 : OutputFile(output), Diag(diag) {} 33 34 void FlushDiagnosticsImpl(std::vector<const PathDiagnostic *> &Diags, 35 FilesMade *filesMade); 36 37 virtual StringRef getName() const { 38 return "TextPathDiagnostics"; 39 } 40 41 PathGenerationScheme getGenerationScheme() const { return Minimal; } 42 bool supportsLogicalOpControlFlow() const { return true; } 43 bool supportsAllBlockEdges() const { return true; } 44 virtual bool supportsCrossFileDiagnostics() const { return true; } 45 }; 46 47 } // end anonymous namespace 48 49 void ento::createTextPathDiagnosticConsumer(AnalyzerOptions &AnalyzerOpts, 50 PathDiagnosticConsumers &C, 51 const std::string& out, 52 const Preprocessor &PP) { 53 C.push_back(new TextPathDiagnostics(out, PP.getDiagnostics())); 54 } 55 56 void TextPathDiagnostics::FlushDiagnosticsImpl( 57 std::vector<const PathDiagnostic *> &Diags, 58 FilesMade *) { 59 for (std::vector<const PathDiagnostic *>::iterator it = Diags.begin(), 60 et = Diags.end(); it != et; ++it) { 61 const PathDiagnostic *D = *it; 62 63 PathPieces FlatPath = D->path.flatten(/*ShouldFlattenMacros=*/true); 64 for (PathPieces::const_iterator I = FlatPath.begin(), E = FlatPath.end(); 65 I != E; ++I) { 66 unsigned diagID = 67 Diag.getDiagnosticIDs()->getCustomDiagID(DiagnosticIDs::Note, 68 (*I)->getString()); 69 Diag.Report((*I)->getLocation().asLocation(), diagID); 70 } 71 } 72 } 73
