| //===-- 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 "DWARFAttribute.h" |
| #include "SymbolFileDWARF.h" |
| |
| 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(); |
| } |
| uint32_t FindAttributeIndex(dw_attr_t attr) const; |
| bool Extract(const lldb_private::DWARFDataExtractor &data, |
| lldb::offset_t *offset_ptr); |
| bool Extract(const lldb_private::DWARFDataExtractor &data, |
| lldb::offset_t *offset_ptr, dw_uleb128_t code); |
| bool IsValid(); |
| void Dump(lldb_private::Stream *s) const; |
| bool operator==(const DWARFAbbreviationDeclaration &rhs) const; |
| 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_ |
