147 lines
4.5 KiB
C++
147 lines
4.5 KiB
C++
//===--- LogDiagnosticPrinter.cpp - Log Diagnostic Printer ----------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/Frontend/LogDiagnosticPrinter.h"
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#include "clang/Basic/FileManager.h"
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#include "clang/Basic/SourceManager.h"
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#include "llvm/ADT/SmallString.h"
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#include "llvm/Support/raw_ostream.h"
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using namespace clang;
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LogDiagnosticPrinter::LogDiagnosticPrinter(llvm::raw_ostream &os,
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const DiagnosticOptions &diags,
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bool _OwnsOutputStream)
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: OS(os), LangOpts(0), DiagOpts(&diags),
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OwnsOutputStream(_OwnsOutputStream) {
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}
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LogDiagnosticPrinter::~LogDiagnosticPrinter() {
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if (OwnsOutputStream)
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delete &OS;
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}
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static llvm::StringRef getLevelName(Diagnostic::Level Level) {
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switch (Level) {
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default:
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return "<unknown>";
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case Diagnostic::Ignored: return "ignored";
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case Diagnostic::Note: return "note";
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case Diagnostic::Warning: return "warning";
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case Diagnostic::Error: return "error";
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case Diagnostic::Fatal: return "fatal error";
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}
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}
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void LogDiagnosticPrinter::EndSourceFile() {
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// We emit all the diagnostics in EndSourceFile. However, we don't emit any
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// entry if no diagnostics were present.
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//
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// Note that DiagnosticClient has no "end-of-compilation" callback, so we will
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// miss any diagnostics which are emitted after and outside the translation
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// unit processing.
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if (Entries.empty())
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return;
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// Write to a temporary string to ensure atomic write of diagnostic object.
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llvm::SmallString<512> Msg;
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llvm::raw_svector_ostream OS(Msg);
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OS << "<dict>\n";
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if (!MainFilename.empty()) {
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OS << " <key>main-file</key>\n"
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<< " <string>" << MainFilename << "</string>\n";
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}
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if (!DwarfDebugFlags.empty()) {
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OS << " <key>dwarf-debug-flags</key>\n"
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<< " <string>" << DwarfDebugFlags << "</string>\n";
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}
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OS << " <key>diagnostics</key>\n";
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OS << " <array>\n";
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for (unsigned i = 0, e = Entries.size(); i != e; ++i) {
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DiagEntry &DE = Entries[i];
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OS << " <dict>\n";
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OS << " <key>level</key>\n"
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<< " <string>" << getLevelName(DE.DiagnosticLevel) << "</string>\n";
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if (!DE.Filename.empty()) {
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OS << " <key>filename</key>\n"
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<< " <string>" << DE.Filename << "</string>\n";
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}
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if (DE.Line != 0) {
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OS << " <key>line</key>\n"
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<< " <integer>" << DE.Line << "</integer>\n";
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}
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if (DE.Column != 0) {
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OS << " <key>column</key>\n"
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<< " <integer>" << DE.Column << "</integer>\n";
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}
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if (!DE.Message.empty()) {
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OS << " <key>message</key>\n"
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<< " <string>" << DE.Message << "</string>\n";
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}
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OS << " </dict>\n";
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}
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OS << " </array>\n";
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OS << "</dict>\n";
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this->OS << OS.str();
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}
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void LogDiagnosticPrinter::HandleDiagnostic(Diagnostic::Level Level,
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const DiagnosticInfo &Info) {
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// Default implementation (Warnings/errors count).
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DiagnosticClient::HandleDiagnostic(Level, Info);
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// Initialize the main file name, if we haven't already fetched it.
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if (MainFilename.empty()) {
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const SourceManager &SM = Info.getSourceManager();
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FileID FID = SM.getMainFileID();
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if (!FID.isInvalid()) {
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const FileEntry *FE = SM.getFileEntryForID(FID);
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if (FE && FE->getName())
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MainFilename = FE->getName();
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}
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}
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// Create the diag entry.
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DiagEntry DE;
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DE.DiagnosticID = Info.getID();
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DE.DiagnosticLevel = Level;
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// Format the message.
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llvm::SmallString<100> MessageStr;
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Info.FormatDiagnostic(MessageStr);
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DE.Message = MessageStr.str();
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// Set the location information.
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DE.Filename = "";
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DE.Line = DE.Column = 0;
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if (Info.getLocation().isValid()) {
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const SourceManager &SM = Info.getSourceManager();
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PresumedLoc PLoc = SM.getPresumedLoc(Info.getLocation());
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if (PLoc.isInvalid()) {
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// At least print the file name if available:
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FileID FID = SM.getFileID(Info.getLocation());
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if (!FID.isInvalid()) {
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const FileEntry *FE = SM.getFileEntryForID(FID);
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if (FE && FE->getName())
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DE.Filename = FE->getName();
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}
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} else {
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DE.Filename = PLoc.getFilename();
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DE.Line = PLoc.getLine();
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DE.Column = PLoc.getColumn();
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}
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}
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// Record the diagnostic entry.
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Entries.push_back(DE);
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}
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