llvm-project/clang/lib/StaticAnalyzer/Core/TextPathDiagnostics.cpp

71 lines
2.2 KiB
C++

//===--- TextPathDiagnostics.cpp - Text 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 TextPathDiagnostics object.
//
//===----------------------------------------------------------------------===//
#include "clang/StaticAnalyzer/Core/PathDiagnosticConsumers.h"
#include "clang/StaticAnalyzer/Core/BugReporter/PathDiagnostic.h"
#include "clang/Lex/Preprocessor.h"
#include "llvm/Support/raw_ostream.h"
using namespace clang;
using namespace ento;
using namespace llvm;
namespace {
/// \brief Simple path diagnostic client used for outputting as diagnostic notes
/// the sequence of events.
class TextPathDiagnostics : public PathDiagnosticConsumer {
const std::string OutputFile;
DiagnosticsEngine &Diag;
public:
TextPathDiagnostics(const std::string& output, DiagnosticsEngine &diag)
: OutputFile(output), Diag(diag) {}
void HandlePathDiagnosticImpl(const PathDiagnostic* D);
void FlushDiagnostics(SmallVectorImpl<std::string> *FilesMade) { }
virtual StringRef getName() const {
return "TextPathDiagnostics";
}
PathGenerationScheme getGenerationScheme() const { return Minimal; }
bool supportsLogicalOpControlFlow() const { return true; }
bool supportsAllBlockEdges() const { return true; }
virtual bool useVerboseDescription() const { return true; }
};
} // end anonymous namespace
PathDiagnosticConsumer*
ento::createTextPathDiagnosticConsumer(const std::string& out,
const Preprocessor &PP) {
return new TextPathDiagnostics(out, PP.getDiagnostics());
}
void TextPathDiagnostics::HandlePathDiagnosticImpl(const PathDiagnostic* D) {
if (!D)
return;
if (D->empty()) {
delete D;
return;
}
for (PathDiagnostic::const_iterator I=D->begin(), E=D->end(); I != E; ++I) {
unsigned diagID = Diag.getDiagnosticIDs()->getCustomDiagID(
DiagnosticIDs::Note, I->getString());
Diag.Report(I->getLocation().asLocation(), diagID);
}
}