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Diffstat (limited to 'include/llvm/DebugInfo/MSF/StreamReader.h')
-rw-r--r--include/llvm/DebugInfo/MSF/StreamReader.h121
1 files changed, 0 insertions, 121 deletions
diff --git a/include/llvm/DebugInfo/MSF/StreamReader.h b/include/llvm/DebugInfo/MSF/StreamReader.h
deleted file mode 100644
index fc2ca78dc18f..000000000000
--- a/include/llvm/DebugInfo/MSF/StreamReader.h
+++ /dev/null
@@ -1,121 +0,0 @@
-//===- StreamReader.h - Reads bytes and objects from a stream ---*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_DEBUGINFO_MSF_STREAMREADER_H
-#define LLVM_DEBUGINFO_MSF_STREAMREADER_H
-
-#include "llvm/ADT/ArrayRef.h"
-#include "llvm/DebugInfo/MSF/MSFError.h"
-#include "llvm/DebugInfo/MSF/StreamArray.h"
-#include "llvm/DebugInfo/MSF/StreamInterface.h"
-#include "llvm/DebugInfo/MSF/StreamRef.h"
-#include "llvm/Support/Endian.h"
-#include "llvm/Support/Error.h"
-
-#include <string>
-
-namespace llvm {
-namespace msf {
-
-class StreamReader {
-public:
- StreamReader(ReadableStreamRef Stream);
-
- Error readLongestContiguousChunk(ArrayRef<uint8_t> &Buffer);
- Error readBytes(ArrayRef<uint8_t> &Buffer, uint32_t Size);
- Error readInteger(uint8_t &Dest);
- Error readInteger(uint16_t &Dest);
- Error readInteger(uint32_t &Dest);
- Error readInteger(uint64_t &Dest);
- Error readInteger(int8_t &Dest);
- Error readInteger(int16_t &Dest);
- Error readInteger(int32_t &Dest);
- Error readInteger(int64_t &Dest);
- Error readZeroString(StringRef &Dest);
- Error readFixedString(StringRef &Dest, uint32_t Length);
- Error readStreamRef(ReadableStreamRef &Ref);
- Error readStreamRef(ReadableStreamRef &Ref, uint32_t Length);
-
- template <typename T> Error readEnum(T &Dest) {
- typename std::underlying_type<T>::type N;
- if (auto EC = readInteger(N))
- return EC;
- Dest = static_cast<T>(N);
- return Error::success();
- }
-
- template <typename T> Error readObject(const T *&Dest) {
- ArrayRef<uint8_t> Buffer;
- if (auto EC = readBytes(Buffer, sizeof(T)))
- return EC;
- Dest = reinterpret_cast<const T *>(Buffer.data());
- return Error::success();
- }
-
- template <typename T>
- Error readArray(ArrayRef<T> &Array, uint32_t NumElements) {
- ArrayRef<uint8_t> Bytes;
- if (NumElements == 0) {
- Array = ArrayRef<T>();
- return Error::success();
- }
-
- if (NumElements > UINT32_MAX / sizeof(T))
- return make_error<MSFError>(msf_error_code::insufficient_buffer);
-
- if (auto EC = readBytes(Bytes, NumElements * sizeof(T)))
- return EC;
- Array = ArrayRef<T>(reinterpret_cast<const T *>(Bytes.data()), NumElements);
- return Error::success();
- }
-
- template <typename T, typename U>
- Error readArray(VarStreamArray<T, U> &Array, uint32_t Size) {
- ReadableStreamRef S;
- if (auto EC = readStreamRef(S, Size))
- return EC;
- Array = VarStreamArray<T, U>(S, Array.getExtractor());
- return Error::success();
- }
-
- template <typename T>
- Error readArray(FixedStreamArray<T> &Array, uint32_t NumItems) {
- if (NumItems == 0) {
- Array = FixedStreamArray<T>();
- return Error::success();
- }
- uint32_t Length = NumItems * sizeof(T);
- if (Length / sizeof(T) != NumItems)
- return make_error<MSFError>(msf_error_code::invalid_format);
- if (Offset + Length > Stream.getLength())
- return make_error<MSFError>(msf_error_code::insufficient_buffer);
- ReadableStreamRef View = Stream.slice(Offset, Length);
- Array = FixedStreamArray<T>(View);
- Offset += Length;
- return Error::success();
- }
-
- bool empty() const { return bytesRemaining() == 0; }
- void setOffset(uint32_t Off) { Offset = Off; }
- uint32_t getOffset() const { return Offset; }
- uint32_t getLength() const { return Stream.getLength(); }
- uint32_t bytesRemaining() const { return getLength() - getOffset(); }
-
- Error skip(uint32_t Amount);
-
- uint8_t peek() const;
-
-private:
- ReadableStreamRef Stream;
- uint32_t Offset;
-};
-} // namespace msf
-} // namespace llvm
-
-#endif // LLVM_DEBUGINFO_MSF_STREAMREADER_H