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serialized diagnostics: pull emission of filenames into diagnostic block. 

llvm-svn: 143765
This commit is contained in:
Ted Kremenek 2011-11-05 00:10:11 +00:00
parent 0a49dae7f7
commit f264a20721
2 changed files with 57 additions and 86 deletions
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6
clang/include/clang/Frontend/SerializedDiagnosticPrinter.h
View File

@ -24,11 +24,7 @@ namespace serialized_diags {
enum BlockIDs {
/// \brief The DIAG block, which acts as a container around a diagnostic.
BLOCK_DIAG = llvm::bitc::FIRST_APPLICATION_BLOCKID,
/// \brief The STRINGS block, which contains strings
/// from multiple diagnostics.
BLOCK_STRINGS
BLOCK_DIAG = llvm::bitc::FIRST_APPLICATION_BLOCKID
};
enum RecordIDs {

123
clang/lib/Frontend/SerializedDiagnosticPrinter.cpp
View File

@ -85,12 +85,6 @@ private:
/// \brief Emit the BLOCKINFO block.
void EmitBlockInfoBlock();
/// \brief Emit the raw characters of the provided string.
void EmitRawStringContents(StringRef str);
/// \brief Emit the block containing categories and file names.
void EmitCategoriesAndFileNames();
/// \brief Emit a record for a CharSourceRange.
void EmitCharSourceRange(CharSourceRange R);
@ -101,6 +95,12 @@ private:
unsigned getEmitDiagnosticFlag(DiagnosticsEngine::Level DiagLevel,
const Diagnostic &Info);
/// \brief Emit (lazily) the file string and retrieved the file identifier.
unsigned getEmitFile(SourceLocation Loc);
/// \brief Add SourceLocation information the specified record.
void AddLocToRecord(SourceLocation Loc, RecordDataImpl &Record);
/// \brief The version of the diagnostics file.
enum { Version = 1 };
@ -129,7 +129,7 @@ private:
llvm::DenseSet<unsigned> Categories;
/// \brief The collection of files used.
llvm::DenseSet<FileID> Files;
llvm::DenseMap<const FileEntry *, unsigned> Files;
typedef llvm::DenseMap<const void *, std::pair<unsigned, llvm::StringRef> >
DiagFlagsTy;
@ -188,18 +188,20 @@ static void EmitRecordID(unsigned ID, const char *Name,
Stream.EmitRecord(llvm::bitc::BLOCKINFO_CODE_SETRECORDNAME, Record);
}
static void AddLocToRecord(SourceManager &SM,
SourceLocation Loc,
void SDiagsWriter::AddLocToRecord(SourceLocation Loc,
RecordDataImpl &Record) {
if (Loc.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;
}
SourceManager &SM = Diags.getSourceManager();
Loc = SM.getSpellingLoc(Loc);
Record.push_back(getEmitFile(Loc));
Record.push_back(SM.getSpellingLineNumber(Loc));
Record.push_back(SM.getSpellingColumnNumber(Loc));
@ -209,19 +211,42 @@ static void AddLocToRecord(SourceManager &SM,
Record.push_back(FileOffset);
}
unsigned SDiagsWriter::getEmitFile(SourceLocation Loc) {
SourceManager &SM = Diags.getSourceManager();
assert(Loc.isValid());
const std::pair<FileID, unsigned> &LocInfo = SM.getDecomposedLoc(Loc);
const FileEntry *FE = SM.getFileEntryForID(LocInfo.first);
if (!FE)
return 0;
unsigned &entry = Files[FE];
if (entry)
return entry;
// Lazily generate the record for the file.
entry = Files.size();
RecordData Record;
Record.push_back(RECORD_FILENAME);
Record.push_back(entry);
Record.push_back(FE->getSize());
Record.push_back(FE->getModificationTime());
StringRef Name = FE->getName();
Record.push_back(Name.size());
Stream.EmitRecordWithBlob(Abbrevs.get(RECORD_FILENAME), Record, Name);
return entry;
}
void SDiagsWriter::EmitCharSourceRange(CharSourceRange R) {
Record.clear();
Record.push_back(RECORD_SOURCE_RANGE);
AddLocToRecord(Diags.getSourceManager(), R.getBegin(), Record);
AddLocToRecord(Diags.getSourceManager(), R.getEnd(), Record);
AddLocToRecord(R.getBegin(), Record);
AddLocToRecord(R.getEnd(), Record);
Stream.EmitRecordWithAbbrev(Abbrevs.get(RECORD_SOURCE_RANGE), Record);
}
/// \brief Emits the preamble of the diagnostics file.
void SDiagsWriter::EmitPreamble() {
// EmitRawStringContents("CLANG_DIAGS");
// Stream.Emit(Version, 32);
// Emit the file header.
Stream.Emit((unsigned)'D', 8);
Stream.Emit((unsigned) Version, 32 - 8);
@ -231,6 +256,7 @@ void SDiagsWriter::EmitPreamble() {
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;
@ -247,6 +273,7 @@ void SDiagsWriter::EmitBlockInfoBlock() {
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);
// Emit Abbrevs.
using namespace llvm;
@ -287,20 +314,15 @@ void SDiagsWriter::EmitBlockInfoBlock() {
Abbrevs.set(RECORD_DIAG_FLAG, Stream.EmitBlockInfoAbbrev(BLOCK_DIAG,
Abbrev));
// ==---------------------------------------------------------------------==//
// The subsequent records and Abbrevs are for the "Strings" block.
// ==---------------------------------------------------------------------==//
EmitBlockID(BLOCK_STRINGS, "Strings", Stream, Record);
EmitRecordID(RECORD_FILENAME, "FileName", Stream, Record);
// Emit the abbreviation for RECORD_FILENAME.
Abbrev = new BitCodeAbbrev();
Abbrev->Add(BitCodeAbbrevOp(RECORD_FILENAME));
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 64)); // Size.
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 64)); // Modifcation time.
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 10)); // Mapped file ID.
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); // Size.
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 32)); // Modifcation time.
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 16)); // Text size.
Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); // File name text.
Abbrevs.set(RECORD_FILENAME, Stream.EmitBlockInfoAbbrev(BLOCK_STRINGS,
Abbrevs.set(RECORD_FILENAME, Stream.EmitBlockInfoAbbrev(BLOCK_DIAG,
Abbrev));
Stream.ExitBlock();
@ -355,11 +377,6 @@ unsigned SDiagsWriter::getEmitDiagnosticFlag(DiagnosticsEngine::Level DiagLevel,
return entry.first;
}
void SDiagsWriter::EmitRawStringContents(llvm::StringRef str) {
for (StringRef::const_iterator I = str.begin(), E = str.end(); I!=E; ++I)
Stream.Emit(*I, 8);
}
void SDiagsWriter::HandleDiagnostic(DiagnosticsEngine::Level DiagLevel,
const Diagnostic &Info) {
@ -372,19 +389,18 @@ void SDiagsWriter::HandleDiagnostic(DiagnosticsEngine::Level DiagLevel,
inNonNoteDiagnostic = true;
}
Stream.EnterSubblock(BLOCK_DIAG, 3);
Stream.EnterSubblock(BLOCK_DIAG, 4);
// Emit the RECORD_DIAG record.
Record.clear();
Record.push_back(RECORD_DIAG);
Record.push_back(DiagLevel);
AddLocToRecord(Diags.getSourceManager(), Info.getLocation(), Record);
AddLocToRecord(Info.getLocation(), Record);
// Emit the category string lazily and get the category ID.
Record.push_back(getEmitCategory(Info.getID()));
// Emit the diagnostic flag string lazily and get the mapped ID.
Record.push_back(getEmitDiagnosticFlag(DiagLevel, Info));
// Emit the diagnostic text.
diagBuf.clear();
Info.FormatDiagnostic(diagBuf); // Compute the diagnostic text.
Record.push_back(diagBuf.str().size());
@ -405,45 +421,6 @@ void SDiagsWriter::HandleDiagnostic(DiagnosticsEngine::Level DiagLevel,
}
}
template <typename T>
static void populateAndSort(std::vector<T> &scribble,
llvm::DenseSet<T> &set) {
scribble.clear();
for (typename llvm::DenseSet<T>::iterator it = set.begin(), ei = set.end();
it != ei; ++it)
scribble.push_back(*it);
// Sort 'scribble' so we always have a deterministic ordering in the
// serialized file.
std::sort(scribble.begin(), scribble.end());
}
void SDiagsWriter::EmitCategoriesAndFileNames() {
if (Categories.empty() && Files.empty())
return;
BlockEnterExit BlockEnter(Stream, BLOCK_STRINGS);
// Emit the file names.
{
std::vector<FileID> scribble;
populateAndSort(scribble, Files);
for (std::vector<FileID>::iterator it = scribble.begin(),
ei = scribble.end(); it != ei; ++it) {
SourceManager &SM = Diags.getSourceManager();
const FileEntry *FE = SM.getFileEntryForID(*it);
StringRef Name = FE->getName();
Record.clear();
Record.push_back(FE->getSize());
Record.push_back(FE->getModificationTime());
Record.push_back(Name.size());
Stream.EmitRecordWithBlob(Abbrevs.get(RECORD_FILENAME), Record, Name);
}
}
}
void SDiagsWriter::EndSourceFile() {
if (inNonNoteDiagnostic) {
// Finish off any diagnostics we were in the process of emitting.
@ -451,8 +428,6 @@ void SDiagsWriter::EndSourceFile() {
inNonNoteDiagnostic = false;
}
EmitCategoriesAndFileNames();
// Write the generated bitstream to "Out".
OS->write((char *)&Buffer.front(), Buffer.size());
OS->flush();