1 //===- SerializedDiagnosticReader.cpp - Reads diagnostics -----------------===//
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
37   llvm::BitstreamCursor Stream(**Buffer);  in readDiagnostics()  local
40   if (Stream.AtEndOfStream())  in readDiagnostics()
45     if (Expected<llvm::SimpleBitstreamCursor::word_t> Res = Stream.Read(8)) {  in readDiagnostics()
56   while (!Stream.AtEndOfStream()) {  in readDiagnostics()
57     if (Expected<unsigned> Res = Stream.ReadCode()) {  in readDiagnostics()
67     Expected<unsigned> MaybeSubBlockID = Stream.ReadSubBlockID();  in readDiagnostics()
77           Stream.ReadBlockInfoBlock();  in readDiagnostics()
87       Stream.setBlockInfo(&*BlockInfo);  in readDiagnostics()
90       if ((EC = readMetaBlock(Stream)))  in readDiagnostics()
94       if ((EC = readDiagnosticBlock(Stream)))  in readDiagnostics()
98       if (llvm::Error Err = Stream.SkipBlock()) {  in readDiagnostics()
117     llvm::BitstreamCursor &Stream, unsigned &BlockOrRecordID) {  in skipUntilRecordOrBlock()  argument
120   while (!Stream.AtEndOfStream()) {  in skipUntilRecordOrBlock()
122     if (Expected<unsigned> Res = Stream.ReadCode())  in skipUntilRecordOrBlock()
134       if (Expected<unsigned> Res = Stream.ReadSubBlockID())  in skipUntilRecordOrBlock()
141       if (Stream.ReadBlockEnd())  in skipUntilRecordOrBlock()
146       if (llvm::Error Err = Stream.ReadAbbrevRecord())  in skipUntilRecordOrBlock()
154       llvm_unreachable("Unexpected abbrev id.");  in skipUntilRecordOrBlock()
162 SerializedDiagnosticReader::readMetaBlock(llvm::BitstreamCursor &Stream) {  in readMetaBlock()  argument
164           Stream.EnterSubBlock(clang::serialized_diags::BLOCK_META)) {  in readMetaBlock()
174     llvm::ErrorOr<Cursor> Res = skipUntilRecordOrBlock(Stream, BlockOrCode);  in readMetaBlock()
182       if (llvm::Error Err = Stream.SkipBlock()) {  in readMetaBlock()
195     Expected<unsigned> MaybeRecordID = Stream.readRecord(BlockOrCode, Record);  in readMetaBlock()
211 SerializedDiagnosticReader::readDiagnosticBlock(llvm::BitstreamCursor &Stream) {  in readDiagnosticBlock()  argument
213           Stream.EnterSubBlock(clang::serialized_diags::BLOCK_DIAG)) {  in readDiagnosticBlock()
226     llvm::ErrorOr<Cursor> Res = skipUntilRecordOrBlock(Stream, BlockOrCode);  in readDiagnosticBlock()
234         if ((EC = readDiagnosticBlock(Stream)))  in readDiagnosticBlock()
236       } else if (llvm::Error Err = Stream.SkipBlock()) {  in readDiagnosticBlock()
254         Stream.readRecord(BlockOrCode, Record, &Blob);  in readDiagnosticBlock()
265       // A category has ID and name size.  in readDiagnosticBlock()
282       // A diagnostic flag has ID and name size.  in readDiagnosticBlock()
289       // A filename has ID, size, timestamp, and name size. The size and  in readDiagnosticBlock()
306       // A source range is two locations (4 each).  in readDiagnosticBlock()
342       return "Malformed block at top-level of diagnostics";  in message()
344       return "Malformed sub-block in a diagnostic";  in message()