DWARFDebugMacro.h

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//===-- DWARFDebugMacro.h ----------------------------------------*- C++
//-*-===//
//
// 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
//
//===----------------------------------------------------------------------===//
 
#ifndef LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFDEBUGMACRO_H
#define LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFDEBUGMACRO_H
 
#include <map>
 
#include "lldb/Core/dwarf.h"
#include "lldb/Symbol/DebugMacros.h"
#include "lldb/lldb-types.h"
 
namespace lldb_private {
 
class DWARFDataExtractor;
 
} // namespace lldb_private
 
class SymbolFileDWARF;
 
class DWARFDebugMacroHeader {
public:
  enum HeaderFlagMask {
    OFFSET_SIZE_MASK = 0x1,
    DEBUG_LINE_OFFSET_MASK = 0x2,
    OPCODE_OPERANDS_TABLE_MASK = 0x4
  };
 
  static DWARFDebugMacroHeader
  ParseHeader(const lldb_private::DWARFDataExtractor &debug_macro_data,
              lldb::offset_t *offset);
 
  bool OffsetIs64Bit() const { return m_offset_is_64_bit; }
 
private:
  static void
  SkipOperandTable(const lldb_private::DWARFDataExtractor &debug_macro_data,
                   lldb::offset_t *offset);
 
  uint16_t m_version = 0;
  bool m_offset_is_64_bit = false;
  uint64_t m_debug_line_offset = 0;
};
 
class DWARFDebugMacroEntry {
public:
  static void
  ReadMacroEntries(const lldb_private::DWARFDataExtractor &debug_macro_data,
                   const lldb_private::DWARFDataExtractor &debug_str_data,
                   const bool offset_is_64_bit, lldb::offset_t *sect_offset,
                   SymbolFileDWARF *sym_file_dwarf,
                   lldb_private::DebugMacrosSP &debug_macros_sp);
};
 
#endif // LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFDEBUGMACRO_H