forked from OSchip/llvm-project
166 lines
5.1 KiB
C++
166 lines
5.1 KiB
C++
//===--- LogDiagnosticPrinter.cpp - Log Diagnostic Printer ----------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "clang/Frontend/LogDiagnosticPrinter.h"
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#include "clang/Basic/DiagnosticOptions.h"
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#include "clang/Basic/FileManager.h"
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#include "clang/Basic/PlistSupport.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/ErrorHandling.h"
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#include "llvm/Support/raw_ostream.h"
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using namespace clang;
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using namespace markup;
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LogDiagnosticPrinter::LogDiagnosticPrinter(
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raw_ostream &os, DiagnosticOptions *diags,
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std::unique_ptr<raw_ostream> StreamOwner)
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: OS(os), StreamOwner(std::move(StreamOwner)), LangOpts(nullptr),
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DiagOpts(diags) {}
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static StringRef getLevelName(DiagnosticsEngine::Level Level) {
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switch (Level) {
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case DiagnosticsEngine::Ignored: return "ignored";
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case DiagnosticsEngine::Remark: return "remark";
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case DiagnosticsEngine::Note: return "note";
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case DiagnosticsEngine::Warning: return "warning";
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case DiagnosticsEngine::Error: return "error";
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case DiagnosticsEngine::Fatal: return "fatal error";
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}
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llvm_unreachable("Invalid DiagnosticsEngine level!");
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}
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void
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LogDiagnosticPrinter::EmitDiagEntry(llvm::raw_ostream &OS,
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const LogDiagnosticPrinter::DiagEntry &DE) {
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OS << " <dict>\n";
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OS << " <key>level</key>\n"
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<< " ";
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EmitString(OS, getLevelName(DE.DiagnosticLevel)) << '\n';
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if (!DE.Filename.empty()) {
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OS << " <key>filename</key>\n"
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<< " ";
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EmitString(OS, DE.Filename) << '\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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<< " ";
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EmitInteger(OS, DE.Line) << '\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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<< " ";
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EmitInteger(OS, DE.Column) << '\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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<< " ";
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EmitString(OS, DE.Message) << '\n';
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}
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OS << " <key>ID</key>\n"
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<< " ";
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EmitInteger(OS, DE.DiagnosticID) << '\n';
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if (!DE.WarningOption.empty()) {
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OS << " <key>WarningOption</key>\n"
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<< " ";
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EmitString(OS, DE.WarningOption) << '\n';
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}
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OS << " </dict>\n";
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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 DiagnosticConsumer has no "end-of-compilation" callback, so we
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// will miss any diagnostics which are emitted after and outside the
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// translation 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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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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<< " ";
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EmitString(OS, MainFilename) << '\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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<< " ";
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EmitString(OS, DwarfDebugFlags) << '\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 (auto &DE : Entries)
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EmitDiagEntry(OS, DE);
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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(DiagnosticsEngine::Level Level,
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const Diagnostic &Info) {
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// Default implementation (Warnings/errors count).
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DiagnosticConsumer::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() && Info.hasSourceManager()) {
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const SourceManager &SM = Info.getSourceManager();
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FileID FID = SM.getMainFileID();
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if (FID.isValid()) {
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const FileEntry *FE = SM.getFileEntryForID(FID);
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if (FE && FE->isValid())
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MainFilename = std::string(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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DE.WarningOption =
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std::string(DiagnosticIDs::getWarningOptionForDiag(DE.DiagnosticID));
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// Format the message.
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SmallString<100> MessageStr;
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Info.FormatDiagnostic(MessageStr);
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DE.Message = std::string(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() && Info.hasSourceManager()) {
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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.isValid()) {
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const FileEntry *FE = SM.getFileEntryForID(FID);
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if (FE && FE->isValid())
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DE.Filename = std::string(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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