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authorpatrick <patrick@openbsd.org>2020-08-03 15:06:44 +0000
committerpatrick <patrick@openbsd.org>2020-08-03 15:06:44 +0000
commitb64793999546ed8adebaeebd9d8345d18db8927d (patch)
tree4357c27b561d73b0e089727c6ed659f2ceff5f47 /gnu/llvm/tools/clang/lib/Frontend/SerializedDiagnosticPrinter.cpp
parentAdd support for UTF-8 DISPLAY-HINTs with octet length. For now only (diff)
downloadwireguard-openbsd-b64793999546ed8adebaeebd9d8345d18db8927d.tar.xz
wireguard-openbsd-b64793999546ed8adebaeebd9d8345d18db8927d.zip
Remove LLVM 8.0.1 files.
Diffstat (limited to 'gnu/llvm/tools/clang/lib/Frontend/SerializedDiagnosticPrinter.cpp')
-rw-r--r--gnu/llvm/tools/clang/lib/Frontend/SerializedDiagnosticPrinter.cpp858
1 files changed, 0 insertions, 858 deletions
diff --git a/gnu/llvm/tools/clang/lib/Frontend/SerializedDiagnosticPrinter.cpp b/gnu/llvm/tools/clang/lib/Frontend/SerializedDiagnosticPrinter.cpp
deleted file mode 100644
index 22546ce4c09..00000000000
--- a/gnu/llvm/tools/clang/lib/Frontend/SerializedDiagnosticPrinter.cpp
+++ /dev/null
@@ -1,858 +0,0 @@
-//===--- SerializedDiagnosticPrinter.cpp - Serializer for diagnostics -----===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "clang/Frontend/SerializedDiagnosticPrinter.h"
-#include "clang/Basic/Diagnostic.h"
-#include "clang/Basic/DiagnosticOptions.h"
-#include "clang/Basic/SourceManager.h"
-#include "clang/Frontend/DiagnosticRenderer.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
-#include "clang/Frontend/SerializedDiagnosticReader.h"
-#include "clang/Frontend/SerializedDiagnostics.h"
-#include "clang/Frontend/TextDiagnosticPrinter.h"
-#include "clang/Lex/Lexer.h"
-#include "llvm/ADT/DenseSet.h"
-#include "llvm/ADT/STLExtras.h"
-#include "llvm/ADT/SmallString.h"
-#include "llvm/ADT/StringRef.h"
-#include "llvm/Support/raw_ostream.h"
-#include <utility>
-
-using namespace clang;
-using namespace clang::serialized_diags;
-
-namespace {
-
-class AbbreviationMap {
- llvm::DenseMap<unsigned, unsigned> Abbrevs;
-public:
- AbbreviationMap() {}
-
- void set(unsigned recordID, unsigned abbrevID) {
- assert(Abbrevs.find(recordID) == Abbrevs.end()
- && "Abbreviation already set.");
- Abbrevs[recordID] = abbrevID;
- }
-
- unsigned get(unsigned recordID) {
- assert(Abbrevs.find(recordID) != Abbrevs.end() &&
- "Abbreviation not set.");
- return Abbrevs[recordID];
- }
-};
-
-typedef SmallVector<uint64_t, 64> RecordData;
-typedef SmallVectorImpl<uint64_t> RecordDataImpl;
-typedef ArrayRef<uint64_t> RecordDataRef;
-
-class SDiagsWriter;
-
-class SDiagsRenderer : public DiagnosticNoteRenderer {
- SDiagsWriter &Writer;
-public:
- SDiagsRenderer(SDiagsWriter &Writer, const LangOptions &LangOpts,
- DiagnosticOptions *DiagOpts)
- : DiagnosticNoteRenderer(LangOpts, DiagOpts), Writer(Writer) {}
-
- ~SDiagsRenderer() override {}
-
-protected:
- void emitDiagnosticMessage(FullSourceLoc Loc, PresumedLoc PLoc,
- DiagnosticsEngine::Level Level, StringRef Message,
- ArrayRef<CharSourceRange> Ranges,
- DiagOrStoredDiag D) override;
-
- void emitDiagnosticLoc(FullSourceLoc Loc, PresumedLoc PLoc,
- DiagnosticsEngine::Level Level,
- ArrayRef<CharSourceRange> Ranges) override {}
-
- void emitNote(FullSourceLoc Loc, StringRef Message) override;
-
- void emitCodeContext(FullSourceLoc Loc, DiagnosticsEngine::Level Level,
- SmallVectorImpl<CharSourceRange> &Ranges,
- ArrayRef<FixItHint> Hints) override;
-
- void beginDiagnostic(DiagOrStoredDiag D,
- DiagnosticsEngine::Level Level) override;
- void endDiagnostic(DiagOrStoredDiag D,
- DiagnosticsEngine::Level Level) override;
-};
-
-typedef llvm::DenseMap<unsigned, unsigned> AbbrevLookup;
-
-class SDiagsMerger : SerializedDiagnosticReader {
- SDiagsWriter &Writer;
- AbbrevLookup FileLookup;
- AbbrevLookup CategoryLookup;
- AbbrevLookup DiagFlagLookup;
-
-public:
- SDiagsMerger(SDiagsWriter &Writer)
- : SerializedDiagnosticReader(), Writer(Writer) {}
-
- std::error_code mergeRecordsFromFile(const char *File) {
- return readDiagnostics(File);
- }
-
-protected:
- std::error_code visitStartOfDiagnostic() override;
- std::error_code visitEndOfDiagnostic() override;
- std::error_code visitCategoryRecord(unsigned ID, StringRef Name) override;
- std::error_code visitDiagFlagRecord(unsigned ID, StringRef Name) override;
- std::error_code visitDiagnosticRecord(
- unsigned Severity, const serialized_diags::Location &Location,
- unsigned Category, unsigned Flag, StringRef Message) override;
- std::error_code visitFilenameRecord(unsigned ID, unsigned Size,
- unsigned Timestamp,
- StringRef Name) override;
- std::error_code visitFixitRecord(const serialized_diags::Location &Start,
- const serialized_diags::Location &End,
- StringRef CodeToInsert) override;
- std::error_code
- visitSourceRangeRecord(const serialized_diags::Location &Start,
- const serialized_diags::Location &End) override;
-
-private:
- std::error_code adjustSourceLocFilename(RecordData &Record,
- unsigned int offset);
-
- void adjustAbbrevID(RecordData &Record, AbbrevLookup &Lookup,
- unsigned NewAbbrev);
-
- void writeRecordWithAbbrev(unsigned ID, RecordData &Record);
-
- void writeRecordWithBlob(unsigned ID, RecordData &Record, StringRef Blob);
-};
-
-class SDiagsWriter : public DiagnosticConsumer {
- friend class SDiagsRenderer;
- friend class SDiagsMerger;
-
- struct SharedState;
-
- explicit SDiagsWriter(std::shared_ptr<SharedState> State)
- : LangOpts(nullptr), OriginalInstance(false), MergeChildRecords(false),
- State(std::move(State)) {}
-
-public:
- SDiagsWriter(StringRef File, DiagnosticOptions *Diags, bool MergeChildRecords)
- : LangOpts(nullptr), OriginalInstance(true),
- MergeChildRecords(MergeChildRecords),
- State(std::make_shared<SharedState>(File, Diags)) {
- if (MergeChildRecords)
- RemoveOldDiagnostics();
- EmitPreamble();
- }
-
- ~SDiagsWriter() override {}
-
- void HandleDiagnostic(DiagnosticsEngine::Level DiagLevel,
- const Diagnostic &Info) override;
-
- void BeginSourceFile(const LangOptions &LO, const Preprocessor *PP) override {
- LangOpts = &LO;
- }
-
- void finish() override;
-
-private:
- /// Build a DiagnosticsEngine to emit diagnostics about the diagnostics
- DiagnosticsEngine *getMetaDiags();
-
- /// Remove old copies of the serialized diagnostics. This is necessary
- /// so that we can detect when subprocesses write diagnostics that we should
- /// merge into our own.
- void RemoveOldDiagnostics();
-
- /// Emit the preamble for the serialized diagnostics.
- void EmitPreamble();
-
- /// Emit the BLOCKINFO block.
- void EmitBlockInfoBlock();
-
- /// Emit the META data block.
- void EmitMetaBlock();
-
- /// Start a DIAG block.
- void EnterDiagBlock();
-
- /// End a DIAG block.
- void ExitDiagBlock();
-
- /// Emit a DIAG record.
- void EmitDiagnosticMessage(FullSourceLoc Loc, PresumedLoc PLoc,
- DiagnosticsEngine::Level Level, StringRef Message,
- DiagOrStoredDiag D);
-
- /// Emit FIXIT and SOURCE_RANGE records for a diagnostic.
- void EmitCodeContext(SmallVectorImpl<CharSourceRange> &Ranges,
- ArrayRef<FixItHint> Hints,
- const SourceManager &SM);
-
- /// Emit a record for a CharSourceRange.
- void EmitCharSourceRange(CharSourceRange R, const SourceManager &SM);
-
- /// Emit the string information for the category.
- unsigned getEmitCategory(unsigned category = 0);
-
- /// Emit the string information for diagnostic flags.
- unsigned getEmitDiagnosticFlag(DiagnosticsEngine::Level DiagLevel,
- unsigned DiagID = 0);
-
- unsigned getEmitDiagnosticFlag(StringRef DiagName);
-
- /// Emit (lazily) the file string and retrieved the file identifier.
- unsigned getEmitFile(const char *Filename);
-
- /// Add SourceLocation information the specified record.
- void AddLocToRecord(FullSourceLoc Loc, PresumedLoc PLoc,
- RecordDataImpl &Record, unsigned TokSize = 0);
-
- /// Add SourceLocation information the specified record.
- void AddLocToRecord(FullSourceLoc Loc, RecordDataImpl &Record,
- unsigned TokSize = 0) {
- AddLocToRecord(Loc, Loc.hasManager() ? Loc.getPresumedLoc() : PresumedLoc(),
- Record, TokSize);
- }
-
- /// Add CharSourceRange information the specified record.
- void AddCharSourceRangeToRecord(CharSourceRange R, RecordDataImpl &Record,
- const SourceManager &SM);
-
- /// Language options, which can differ from one clone of this client
- /// to another.
- const LangOptions *LangOpts;
-
- /// Whether this is the original instance (rather than one of its
- /// clones), responsible for writing the file at the end.
- bool OriginalInstance;
-
- /// Whether this instance should aggregate diagnostics that are
- /// generated from child processes.
- bool MergeChildRecords;
-
- /// State that is shared among the various clones of this diagnostic
- /// consumer.
- struct SharedState {
- SharedState(StringRef File, DiagnosticOptions *Diags)
- : DiagOpts(Diags), Stream(Buffer), OutputFile(File.str()),
- EmittedAnyDiagBlocks(false) {}
-
- /// Diagnostic options.
- IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts;
-
- /// The byte buffer for the serialized content.
- SmallString<1024> Buffer;
-
- /// The BitStreamWriter for the serialized diagnostics.
- llvm::BitstreamWriter Stream;
-
- /// The name of the diagnostics file.
- std::string OutputFile;
-
- /// The set of constructed record abbreviations.
- AbbreviationMap Abbrevs;
-
- /// A utility buffer for constructing record content.
- RecordData Record;
-
- /// A text buffer for rendering diagnostic text.
- SmallString<256> diagBuf;
-
- /// The collection of diagnostic categories used.
- llvm::DenseSet<unsigned> Categories;
-
- /// The collection of files used.
- llvm::DenseMap<const char *, unsigned> Files;
-
- typedef llvm::DenseMap<const void *, std::pair<unsigned, StringRef> >
- DiagFlagsTy;
-
- /// Map for uniquing strings.
- DiagFlagsTy DiagFlags;
-
- /// Whether we have already started emission of any DIAG blocks. Once
- /// this becomes \c true, we never close a DIAG block until we know that we're
- /// starting another one or we're done.
- bool EmittedAnyDiagBlocks;
-
- /// Engine for emitting diagnostics about the diagnostics.
- std::unique_ptr<DiagnosticsEngine> MetaDiagnostics;
- };
-
- /// State shared among the various clones of this diagnostic consumer.
- std::shared_ptr<SharedState> State;
-};
-} // end anonymous namespace
-
-namespace clang {
-namespace serialized_diags {
-std::unique_ptr<DiagnosticConsumer>
-create(StringRef OutputFile, DiagnosticOptions *Diags, bool MergeChildRecords) {
- return llvm::make_unique<SDiagsWriter>(OutputFile, Diags, MergeChildRecords);
-}
-
-} // end namespace serialized_diags
-} // end namespace clang
-
-//===----------------------------------------------------------------------===//
-// Serialization methods.
-//===----------------------------------------------------------------------===//
-
-/// Emits a block ID in the BLOCKINFO block.
-static void EmitBlockID(unsigned ID, const char *Name,
- llvm::BitstreamWriter &Stream,
- RecordDataImpl &Record) {
- Record.clear();
- Record.push_back(ID);
- Stream.EmitRecord(llvm::bitc::BLOCKINFO_CODE_SETBID, Record);
-
- // Emit the block name if present.
- if (!Name || Name[0] == 0)
- return;
-
- Record.clear();
-
- while (*Name)
- Record.push_back(*Name++);
-
- Stream.EmitRecord(llvm::bitc::BLOCKINFO_CODE_BLOCKNAME, Record);
-}
-
-/// Emits a record ID in the BLOCKINFO block.
-static void EmitRecordID(unsigned ID, const char *Name,
- llvm::BitstreamWriter &Stream,
- RecordDataImpl &Record){
- Record.clear();
- Record.push_back(ID);
-
- while (*Name)
- Record.push_back(*Name++);
-
- Stream.EmitRecord(llvm::bitc::BLOCKINFO_CODE_SETRECORDNAME, Record);
-}
-
-void SDiagsWriter::AddLocToRecord(FullSourceLoc Loc, PresumedLoc PLoc,
- RecordDataImpl &Record, unsigned TokSize) {
- if (PLoc.isInvalid()) {
- // Emit a "sentinel" location.
- Record.push_back((unsigned)0); // File.
- Record.push_back((unsigned)0); // Line.
- Record.push_back((unsigned)0); // Column.
- Record.push_back((unsigned)0); // Offset.
- return;
- }
-
- Record.push_back(getEmitFile(PLoc.getFilename()));
- Record.push_back(PLoc.getLine());
- Record.push_back(PLoc.getColumn()+TokSize);
- Record.push_back(Loc.getFileOffset());
-}
-
-void SDiagsWriter::AddCharSourceRangeToRecord(CharSourceRange Range,
- RecordDataImpl &Record,
- const SourceManager &SM) {
- AddLocToRecord(FullSourceLoc(Range.getBegin(), SM), Record);
- unsigned TokSize = 0;
- if (Range.isTokenRange())
- TokSize = Lexer::MeasureTokenLength(Range.getEnd(),
- SM, *LangOpts);
-
- AddLocToRecord(FullSourceLoc(Range.getEnd(), SM), Record, TokSize);
-}
-
-unsigned SDiagsWriter::getEmitFile(const char *FileName){
- if (!FileName)
- return 0;
-
- unsigned &entry = State->Files[FileName];
- if (entry)
- return entry;
-
- // Lazily generate the record for the file.
- entry = State->Files.size();
- StringRef Name(FileName);
- RecordData::value_type Record[] = {RECORD_FILENAME, entry, 0 /* For legacy */,
- 0 /* For legacy */, Name.size()};
- State->Stream.EmitRecordWithBlob(State->Abbrevs.get(RECORD_FILENAME), Record,
- Name);
-
- return entry;
-}
-
-void SDiagsWriter::EmitCharSourceRange(CharSourceRange R,
- const SourceManager &SM) {
- State->Record.clear();
- State->Record.push_back(RECORD_SOURCE_RANGE);
- AddCharSourceRangeToRecord(R, State->Record, SM);
- State->Stream.EmitRecordWithAbbrev(State->Abbrevs.get(RECORD_SOURCE_RANGE),
- State->Record);
-}
-
-/// Emits the preamble of the diagnostics file.
-void SDiagsWriter::EmitPreamble() {
- // Emit the file header.
- State->Stream.Emit((unsigned)'D', 8);
- State->Stream.Emit((unsigned)'I', 8);
- State->Stream.Emit((unsigned)'A', 8);
- State->Stream.Emit((unsigned)'G', 8);
-
- EmitBlockInfoBlock();
- EmitMetaBlock();
-}
-
-static void AddSourceLocationAbbrev(llvm::BitCodeAbbrev &Abbrev) {
- using namespace llvm;
- Abbrev.Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 10)); // File ID.
- Abbrev.Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); // Line.
- Abbrev.Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); // Column.
- Abbrev.Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); // Offset;
-}
-
-static void AddRangeLocationAbbrev(llvm::BitCodeAbbrev &Abbrev) {
- AddSourceLocationAbbrev(Abbrev);
- AddSourceLocationAbbrev(Abbrev);
-}
-
-void SDiagsWriter::EmitBlockInfoBlock() {
- State->Stream.EnterBlockInfoBlock();
-
- using namespace llvm;
- llvm::BitstreamWriter &Stream = State->Stream;
- RecordData &Record = State->Record;
- AbbreviationMap &Abbrevs = State->Abbrevs;
-
- // ==---------------------------------------------------------------------==//
- // The subsequent records and Abbrevs are for the "Meta" block.
- // ==---------------------------------------------------------------------==//
-
- EmitBlockID(BLOCK_META, "Meta", Stream, Record);
- EmitRecordID(RECORD_VERSION, "Version", Stream, Record);
- auto Abbrev = std::make_shared<BitCodeAbbrev>();
- Abbrev->Add(BitCodeAbbrevOp(RECORD_VERSION));
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32));
- Abbrevs.set(RECORD_VERSION, Stream.EmitBlockInfoAbbrev(BLOCK_META, Abbrev));
-
- // ==---------------------------------------------------------------------==//
- // The subsequent records and Abbrevs are for the "Diagnostic" block.
- // ==---------------------------------------------------------------------==//
-
- EmitBlockID(BLOCK_DIAG, "Diag", Stream, Record);
- EmitRecordID(RECORD_DIAG, "DiagInfo", Stream, Record);
- EmitRecordID(RECORD_SOURCE_RANGE, "SrcRange", Stream, Record);
- EmitRecordID(RECORD_CATEGORY, "CatName", Stream, Record);
- EmitRecordID(RECORD_DIAG_FLAG, "DiagFlag", Stream, Record);
- EmitRecordID(RECORD_FILENAME, "FileName", Stream, Record);
- EmitRecordID(RECORD_FIXIT, "FixIt", Stream, Record);
-
- // Emit abbreviation for RECORD_DIAG.
- Abbrev = std::make_shared<BitCodeAbbrev>();
- Abbrev->Add(BitCodeAbbrevOp(RECORD_DIAG));
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3)); // Diag level.
- AddSourceLocationAbbrev(*Abbrev);
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 10)); // Category.
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 10)); // Mapped Diag ID.
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 16)); // Text size.
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); // Diagnostc text.
- Abbrevs.set(RECORD_DIAG, Stream.EmitBlockInfoAbbrev(BLOCK_DIAG, Abbrev));
-
- // Emit abbreviation for RECORD_CATEGORY.
- Abbrev = std::make_shared<BitCodeAbbrev>();
- Abbrev->Add(BitCodeAbbrevOp(RECORD_CATEGORY));
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 16)); // Category ID.
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 8)); // Text size.
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); // Category text.
- Abbrevs.set(RECORD_CATEGORY, Stream.EmitBlockInfoAbbrev(BLOCK_DIAG, Abbrev));
-
- // Emit abbreviation for RECORD_SOURCE_RANGE.
- Abbrev = std::make_shared<BitCodeAbbrev>();
- Abbrev->Add(BitCodeAbbrevOp(RECORD_SOURCE_RANGE));
- AddRangeLocationAbbrev(*Abbrev);
- Abbrevs.set(RECORD_SOURCE_RANGE,
- Stream.EmitBlockInfoAbbrev(BLOCK_DIAG, Abbrev));
-
- // Emit the abbreviation for RECORD_DIAG_FLAG.
- Abbrev = std::make_shared<BitCodeAbbrev>();
- Abbrev->Add(BitCodeAbbrevOp(RECORD_DIAG_FLAG));
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 10)); // Mapped Diag ID.
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 16)); // Text size.
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); // Flag name text.
- Abbrevs.set(RECORD_DIAG_FLAG, Stream.EmitBlockInfoAbbrev(BLOCK_DIAG,
- Abbrev));
-
- // Emit the abbreviation for RECORD_FILENAME.
- Abbrev = std::make_shared<BitCodeAbbrev>();
- Abbrev->Add(BitCodeAbbrevOp(RECORD_FILENAME));
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 10)); // Mapped file ID.
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); // Size.
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); // Modification time.
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 16)); // Text size.
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); // File name text.
- Abbrevs.set(RECORD_FILENAME, Stream.EmitBlockInfoAbbrev(BLOCK_DIAG,
- Abbrev));
-
- // Emit the abbreviation for RECORD_FIXIT.
- Abbrev = std::make_shared<BitCodeAbbrev>();
- Abbrev->Add(BitCodeAbbrevOp(RECORD_FIXIT));
- AddRangeLocationAbbrev(*Abbrev);
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 16)); // Text size.
- Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); // FixIt text.
- Abbrevs.set(RECORD_FIXIT, Stream.EmitBlockInfoAbbrev(BLOCK_DIAG,
- Abbrev));
-
- Stream.ExitBlock();
-}
-
-void SDiagsWriter::EmitMetaBlock() {
- llvm::BitstreamWriter &Stream = State->Stream;
- AbbreviationMap &Abbrevs = State->Abbrevs;
-
- Stream.EnterSubblock(BLOCK_META, 3);
- RecordData::value_type Record[] = {RECORD_VERSION, VersionNumber};
- Stream.EmitRecordWithAbbrev(Abbrevs.get(RECORD_VERSION), Record);
- Stream.ExitBlock();
-}
-
-unsigned SDiagsWriter::getEmitCategory(unsigned int category) {
- if (!State->Categories.insert(category).second)
- return category;
-
- // We use a local version of 'Record' so that we can be generating
- // another record when we lazily generate one for the category entry.
- StringRef catName = DiagnosticIDs::getCategoryNameFromID(category);
- RecordData::value_type Record[] = {RECORD_CATEGORY, category, catName.size()};
- State->Stream.EmitRecordWithBlob(State->Abbrevs.get(RECORD_CATEGORY), Record,
- catName);
-
- return category;
-}
-
-unsigned SDiagsWriter::getEmitDiagnosticFlag(DiagnosticsEngine::Level DiagLevel,
- unsigned DiagID) {
- if (DiagLevel == DiagnosticsEngine::Note)
- return 0; // No flag for notes.
-
- StringRef FlagName = DiagnosticIDs::getWarningOptionForDiag(DiagID);
- return getEmitDiagnosticFlag(FlagName);
-}
-
-unsigned SDiagsWriter::getEmitDiagnosticFlag(StringRef FlagName) {
- if (FlagName.empty())
- return 0;
-
- // Here we assume that FlagName points to static data whose pointer
- // value is fixed. This allows us to unique by diagnostic groups.
- const void *data = FlagName.data();
- std::pair<unsigned, StringRef> &entry = State->DiagFlags[data];
- if (entry.first == 0) {
- entry.first = State->DiagFlags.size();
- entry.second = FlagName;
-
- // Lazily emit the string in a separate record.
- RecordData::value_type Record[] = {RECORD_DIAG_FLAG, entry.first,
- FlagName.size()};
- State->Stream.EmitRecordWithBlob(State->Abbrevs.get(RECORD_DIAG_FLAG),
- Record, FlagName);
- }
-
- return entry.first;
-}
-
-void SDiagsWriter::HandleDiagnostic(DiagnosticsEngine::Level DiagLevel,
- const Diagnostic &Info) {
- // Enter the block for a non-note diagnostic immediately, rather than waiting
- // for beginDiagnostic, in case associated notes are emitted before we get
- // there.
- if (DiagLevel != DiagnosticsEngine::Note) {
- if (State->EmittedAnyDiagBlocks)
- ExitDiagBlock();
-
- EnterDiagBlock();
- State->EmittedAnyDiagBlocks = true;
- }
-
- // Compute the diagnostic text.
- State->diagBuf.clear();
- Info.FormatDiagnostic(State->diagBuf);
-
- if (Info.getLocation().isInvalid()) {
- // Special-case diagnostics with no location. We may not have entered a
- // source file in this case, so we can't use the normal DiagnosticsRenderer
- // machinery.
-
- // Make sure we bracket all notes as "sub-diagnostics". This matches
- // the behavior in SDiagsRenderer::emitDiagnostic().
- if (DiagLevel == DiagnosticsEngine::Note)
- EnterDiagBlock();
-
- EmitDiagnosticMessage(FullSourceLoc(), PresumedLoc(), DiagLevel,
- State->diagBuf, &Info);
-
- if (DiagLevel == DiagnosticsEngine::Note)
- ExitDiagBlock();
-
- return;
- }
-
- assert(Info.hasSourceManager() && LangOpts &&
- "Unexpected diagnostic with valid location outside of a source file");
- SDiagsRenderer Renderer(*this, *LangOpts, &*State->DiagOpts);
- Renderer.emitDiagnostic(
- FullSourceLoc(Info.getLocation(), Info.getSourceManager()), DiagLevel,
- State->diagBuf, Info.getRanges(), Info.getFixItHints(), &Info);
-}
-
-static serialized_diags::Level getStableLevel(DiagnosticsEngine::Level Level) {
- switch (Level) {
-#define CASE(X) case DiagnosticsEngine::X: return serialized_diags::X;
- CASE(Ignored)
- CASE(Note)
- CASE(Remark)
- CASE(Warning)
- CASE(Error)
- CASE(Fatal)
-#undef CASE
- }
-
- llvm_unreachable("invalid diagnostic level");
-}
-
-void SDiagsWriter::EmitDiagnosticMessage(FullSourceLoc Loc, PresumedLoc PLoc,
- DiagnosticsEngine::Level Level,
- StringRef Message,
- DiagOrStoredDiag D) {
- llvm::BitstreamWriter &Stream = State->Stream;
- RecordData &Record = State->Record;
- AbbreviationMap &Abbrevs = State->Abbrevs;
-
- // Emit the RECORD_DIAG record.
- Record.clear();
- Record.push_back(RECORD_DIAG);
- Record.push_back(getStableLevel(Level));
- AddLocToRecord(Loc, PLoc, Record);
-
- if (const Diagnostic *Info = D.dyn_cast<const Diagnostic*>()) {
- // Emit the category string lazily and get the category ID.
- unsigned DiagID = DiagnosticIDs::getCategoryNumberForDiag(Info->getID());
- Record.push_back(getEmitCategory(DiagID));
- // Emit the diagnostic flag string lazily and get the mapped ID.
- Record.push_back(getEmitDiagnosticFlag(Level, Info->getID()));
- } else {
- Record.push_back(getEmitCategory());
- Record.push_back(getEmitDiagnosticFlag(Level));
- }
-
- Record.push_back(Message.size());
- Stream.EmitRecordWithBlob(Abbrevs.get(RECORD_DIAG), Record, Message);
-}
-
-void SDiagsRenderer::emitDiagnosticMessage(
- FullSourceLoc Loc, PresumedLoc PLoc, DiagnosticsEngine::Level Level,
- StringRef Message, ArrayRef<clang::CharSourceRange> Ranges,
- DiagOrStoredDiag D) {
- Writer.EmitDiagnosticMessage(Loc, PLoc, Level, Message, D);
-}
-
-void SDiagsWriter::EnterDiagBlock() {
- State->Stream.EnterSubblock(BLOCK_DIAG, 4);
-}
-
-void SDiagsWriter::ExitDiagBlock() {
- State->Stream.ExitBlock();
-}
-
-void SDiagsRenderer::beginDiagnostic(DiagOrStoredDiag D,
- DiagnosticsEngine::Level Level) {
- if (Level == DiagnosticsEngine::Note)
- Writer.EnterDiagBlock();
-}
-
-void SDiagsRenderer::endDiagnostic(DiagOrStoredDiag D,
- DiagnosticsEngine::Level Level) {
- // Only end note diagnostics here, because we can't be sure when we've seen
- // the last note associated with a non-note diagnostic.
- if (Level == DiagnosticsEngine::Note)
- Writer.ExitDiagBlock();
-}
-
-void SDiagsWriter::EmitCodeContext(SmallVectorImpl<CharSourceRange> &Ranges,
- ArrayRef<FixItHint> Hints,
- const SourceManager &SM) {
- llvm::BitstreamWriter &Stream = State->Stream;
- RecordData &Record = State->Record;
- AbbreviationMap &Abbrevs = State->Abbrevs;
-
- // Emit Source Ranges.
- for (ArrayRef<CharSourceRange>::iterator I = Ranges.begin(), E = Ranges.end();
- I != E; ++I)
- if (I->isValid())
- EmitCharSourceRange(*I, SM);
-
- // Emit FixIts.
- for (ArrayRef<FixItHint>::iterator I = Hints.begin(), E = Hints.end();
- I != E; ++I) {
- const FixItHint &Fix = *I;
- if (Fix.isNull())
- continue;
- Record.clear();
- Record.push_back(RECORD_FIXIT);
- AddCharSourceRangeToRecord(Fix.RemoveRange, Record, SM);
- Record.push_back(Fix.CodeToInsert.size());
- Stream.EmitRecordWithBlob(Abbrevs.get(RECORD_FIXIT), Record,
- Fix.CodeToInsert);
- }
-}
-
-void SDiagsRenderer::emitCodeContext(FullSourceLoc Loc,
- DiagnosticsEngine::Level Level,
- SmallVectorImpl<CharSourceRange> &Ranges,
- ArrayRef<FixItHint> Hints) {
- Writer.EmitCodeContext(Ranges, Hints, Loc.getManager());
-}
-
-void SDiagsRenderer::emitNote(FullSourceLoc Loc, StringRef Message) {
- Writer.EnterDiagBlock();
- PresumedLoc PLoc = Loc.hasManager() ? Loc.getPresumedLoc() : PresumedLoc();
- Writer.EmitDiagnosticMessage(Loc, PLoc, DiagnosticsEngine::Note, Message,
- DiagOrStoredDiag());
- Writer.ExitDiagBlock();
-}
-
-DiagnosticsEngine *SDiagsWriter::getMetaDiags() {
- // FIXME: It's slightly absurd to create a new diagnostics engine here, but
- // the other options that are available today are worse:
- //
- // 1. Teach DiagnosticsConsumers to emit diagnostics to the engine they are a
- // part of. The DiagnosticsEngine would need to know not to send
- // diagnostics back to the consumer that failed. This would require us to
- // rework ChainedDiagnosticsConsumer and teach the engine about multiple
- // consumers, which is difficult today because most APIs interface with
- // consumers rather than the engine itself.
- //
- // 2. Pass a DiagnosticsEngine to SDiagsWriter on creation - this would need
- // to be distinct from the engine the writer was being added to and would
- // normally not be used.
- if (!State->MetaDiagnostics) {
- IntrusiveRefCntPtr<DiagnosticIDs> IDs(new DiagnosticIDs());
- auto Client =
- new TextDiagnosticPrinter(llvm::errs(), State->DiagOpts.get());
- State->MetaDiagnostics = llvm::make_unique<DiagnosticsEngine>(
- IDs, State->DiagOpts.get(), Client);
- }
- return State->MetaDiagnostics.get();
-}
-
-void SDiagsWriter::RemoveOldDiagnostics() {
- if (!llvm::sys::fs::remove(State->OutputFile))
- return;
-
- getMetaDiags()->Report(diag::warn_fe_serialized_diag_merge_failure);
- // Disable merging child records, as whatever is in this file may be
- // misleading.
- MergeChildRecords = false;
-}
-
-void SDiagsWriter::finish() {
- // The original instance is responsible for writing the file.
- if (!OriginalInstance)
- return;
-
- // Finish off any diagnostic we were in the process of emitting.
- if (State->EmittedAnyDiagBlocks)
- ExitDiagBlock();
-
- if (MergeChildRecords) {
- if (!State->EmittedAnyDiagBlocks)
- // We have no diagnostics of our own, so we can just leave the child
- // process' output alone
- return;
-
- if (llvm::sys::fs::exists(State->OutputFile))
- if (SDiagsMerger(*this).mergeRecordsFromFile(State->OutputFile.c_str()))
- getMetaDiags()->Report(diag::warn_fe_serialized_diag_merge_failure);
- }
-
- std::error_code EC;
- auto OS = llvm::make_unique<llvm::raw_fd_ostream>(State->OutputFile.c_str(),
- EC, llvm::sys::fs::F_None);
- if (EC) {
- getMetaDiags()->Report(diag::warn_fe_serialized_diag_failure)
- << State->OutputFile << EC.message();
- return;
- }
-
- // Write the generated bitstream to "Out".
- OS->write((char *)&State->Buffer.front(), State->Buffer.size());
- OS->flush();
-}
-
-std::error_code SDiagsMerger::visitStartOfDiagnostic() {
- Writer.EnterDiagBlock();
- return std::error_code();
-}
-
-std::error_code SDiagsMerger::visitEndOfDiagnostic() {
- Writer.ExitDiagBlock();
- return std::error_code();
-}
-
-std::error_code
-SDiagsMerger::visitSourceRangeRecord(const serialized_diags::Location &Start,
- const serialized_diags::Location &End) {
- RecordData::value_type Record[] = {
- RECORD_SOURCE_RANGE, FileLookup[Start.FileID], Start.Line, Start.Col,
- Start.Offset, FileLookup[End.FileID], End.Line, End.Col, End.Offset};
- Writer.State->Stream.EmitRecordWithAbbrev(
- Writer.State->Abbrevs.get(RECORD_SOURCE_RANGE), Record);
- return std::error_code();
-}
-
-std::error_code SDiagsMerger::visitDiagnosticRecord(
- unsigned Severity, const serialized_diags::Location &Location,
- unsigned Category, unsigned Flag, StringRef Message) {
- RecordData::value_type Record[] = {
- RECORD_DIAG, Severity, FileLookup[Location.FileID], Location.Line,
- Location.Col, Location.Offset, CategoryLookup[Category],
- Flag ? DiagFlagLookup[Flag] : 0, Message.size()};
-
- Writer.State->Stream.EmitRecordWithBlob(
- Writer.State->Abbrevs.get(RECORD_DIAG), Record, Message);
- return std::error_code();
-}
-
-std::error_code
-SDiagsMerger::visitFixitRecord(const serialized_diags::Location &Start,
- const serialized_diags::Location &End,
- StringRef Text) {
- RecordData::value_type Record[] = {RECORD_FIXIT, FileLookup[Start.FileID],
- Start.Line, Start.Col, Start.Offset,
- FileLookup[End.FileID], End.Line, End.Col,
- End.Offset, Text.size()};
-
- Writer.State->Stream.EmitRecordWithBlob(
- Writer.State->Abbrevs.get(RECORD_FIXIT), Record, Text);
- return std::error_code();
-}
-
-std::error_code SDiagsMerger::visitFilenameRecord(unsigned ID, unsigned Size,
- unsigned Timestamp,
- StringRef Name) {
- FileLookup[ID] = Writer.getEmitFile(Name.str().c_str());
- return std::error_code();
-}
-
-std::error_code SDiagsMerger::visitCategoryRecord(unsigned ID, StringRef Name) {
- CategoryLookup[ID] = Writer.getEmitCategory(ID);
- return std::error_code();
-}
-
-std::error_code SDiagsMerger::visitDiagFlagRecord(unsigned ID, StringRef Name) {
- DiagFlagLookup[ID] = Writer.getEmitDiagnosticFlag(Name);
- return std::error_code();
-}