llvm/llvm/lib/Bitstream/Reader/BitstreamReader.cpp

//===- BitstreamReader.cpp - BitstreamReader implementation ---------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#include "llvm/Bitstream/BitstreamReader.h"
#include "llvm/ADT/StringRef.h"
#include <cassert>
#include <optional>
#include <string>

usingnamespacellvm;

//===----------------------------------------------------------------------===//
//  BitstreamCursor implementation
//===----------------------------------------------------------------------===//
//
static Error error(const char *Message) { … }

/// Having read the ENTER_SUBBLOCK abbrevid, enter the block.
Error BitstreamCursor::EnterSubBlock(unsigned BlockID, unsigned *NumWordsP) { … }

static Expected<uint64_t> readAbbreviatedField(BitstreamCursor &Cursor,
                                               const BitCodeAbbrevOp &Op) { … }

/// skipRecord - Read the current record and discard it.
Expected<unsigned> BitstreamCursor::skipRecord(unsigned AbbrevID) { … }

Expected<unsigned> BitstreamCursor::readRecord(unsigned AbbrevID,
                                               SmallVectorImpl<uint64_t> &Vals,
                                               StringRef *Blob) { … }

Error BitstreamCursor::ReadAbbrevRecord() { … }

Expected<std::optional<BitstreamBlockInfo>>
BitstreamCursor::ReadBlockInfoBlock(bool ReadBlockInfoNames) { … }