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/StaticAnalyzer/Core/BugReporter/PathDiagnostic.h" 16#include "clang/Lex/Preprocessor.h" 17#include "llvm/Support/raw_ostream.h" 18using namespace clang; 19using namespace ento; 20using namespace llvm; 21 22namespace { 23 24/// \brief Simple path diagnostic client used for outputting as diagnostic notes 25/// the sequence of events. 26class TextPathDiagnostics : public PathDiagnosticConsumer { 27 const std::string OutputFile; 28 DiagnosticsEngine &Diag; 29 30public: 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 49void ento::createTextPathDiagnosticConsumer(PathDiagnosticConsumers &C, 50 const std::string& out, 51 const Preprocessor &PP) { 52 C.push_back(new TextPathDiagnostics(out, PP.getDiagnostics())); 53} 54 55void TextPathDiagnostics::FlushDiagnosticsImpl( 56 std::vector<const PathDiagnostic *> &Diags, 57 FilesMade *) { 58 for (std::vector<const PathDiagnostic *>::iterator it = Diags.begin(), 59 et = Diags.end(); it != et; ++it) { 60 const PathDiagnostic *D = *it; 61 62 PathPieces FlatPath = D->path.flatten(/*ShouldFlattenMacros=*/true); 63 for (PathPieces::const_iterator I = FlatPath.begin(), E = FlatPath.end(); 64 I != E; ++I) { 65 unsigned diagID = 66 Diag.getDiagnosticIDs()->getCustomDiagID(DiagnosticIDs::Note, 67 (*I)->getString()); 68 Diag.Report((*I)->getLocation().asLocation(), diagID); 69 } 70 } 71} 72