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//===-- DWARFAbbreviationDeclaration.h --------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef liblldb_DWARFAbbreviationDeclaration_h_
#define liblldb_DWARFAbbreviationDeclaration_h_
#include "SymbolFileDWARF.h"
#include "DWARFAttribute.h"
class DWARFCompileUnit;
class DWARFAbbreviationDeclaration
{
public:
enum { InvalidCode = 0 };
DWARFAbbreviationDeclaration();
// For hand crafting an abbreviation declaration
DWARFAbbreviationDeclaration(dw_tag_t tag, uint8_t has_children);
void AddAttribute(const DWARFAttribute& attr)
{
m_attributes.push_back(attr);
}
dw_uleb128_t Code() const { return m_code; }
void SetCode(dw_uleb128_t code) { m_code = code; }
dw_tag_t Tag() const { return m_tag; }
bool HasChildren() const { return m_has_children; }
size_t NumAttributes() const { return m_attributes.size(); }
dw_attr_t GetAttrByIndex(uint32_t idx) const { return m_attributes.size() > idx ? m_attributes[idx].get_attr() : 0; }
dw_form_t GetFormByIndex(uint32_t idx) const { return m_attributes.size() > idx ? m_attributes[idx].get_form() : 0; }
bool GetAttrAndFormByIndex(uint32_t idx, dw_attr_t& attr, dw_form_t& form) const
{
if (m_attributes.size() > idx)
{
m_attributes[idx].get(attr, form);
return true;
}
attr = form = 0;
return false;
}
// idx is assumed to be valid when calling GetAttrAndFormByIndexUnchecked()
void GetAttrAndFormByIndexUnchecked(uint32_t idx, dw_attr_t& attr, dw_form_t& form) const
{
m_attributes[idx].get(attr, form);
}
dw_form_t GetFormByIndexUnchecked (uint32_t idx) const
{
return m_attributes[idx].get_form();
}
void CopyExcludingAddressAttributes(const DWARFAbbreviationDeclaration& abbr_decl, const uint32_t idx);
void CopyChangingStringToStrp(
const DWARFAbbreviationDeclaration& abbr_decl,
const lldb_private::DataExtractor& debug_info_data,
dw_offset_t debug_info_offset,
const DWARFCompileUnit* cu,
const uint32_t strp_min_len);
uint32_t FindAttributeIndex(dw_attr_t attr) const;
bool Extract(const lldb_private::DataExtractor& data, lldb::offset_t *offset_ptr);
bool Extract(const lldb_private::DataExtractor& data, lldb::offset_t *offset_ptr, dw_uleb128_t code);
// void Append(BinaryStreamBuf& out_buff) const;
bool IsValid();
void Dump(lldb_private::Stream *s) const;
bool operator == (const DWARFAbbreviationDeclaration& rhs) const;
// DWARFAttribute::collection& Attributes() { return m_attributes; }
const DWARFAttribute::collection& Attributes() const { return m_attributes; }
protected:
dw_uleb128_t m_code;
dw_tag_t m_tag;
uint8_t m_has_children;
DWARFAttribute::collection m_attributes;
};
#endif // liblldb_DWARFAbbreviationDeclaration_h_
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