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Diffstat (limited to 'lldb/source/Plugins/SymbolFile/DWARF/DWARFAbbreviationDeclaration.h')
-rw-r--r-- | lldb/source/Plugins/SymbolFile/DWARF/DWARFAbbreviationDeclaration.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/lldb/source/Plugins/SymbolFile/DWARF/DWARFAbbreviationDeclaration.h b/lldb/source/Plugins/SymbolFile/DWARF/DWARFAbbreviationDeclaration.h new file mode 100644 index 00000000000..7959f264dfe --- /dev/null +++ b/lldb/source/Plugins/SymbolFile/DWARF/DWARFAbbreviationDeclaration.h @@ -0,0 +1,77 @@ +//===-- 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; } + uint32_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); + } + 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, uint32_t* offset_ptr); + bool Extract(const lldb_private::DataExtractor& data, uint32_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_ |