611d1f98c5
All of this is code that is unreferenced. Removing as much of this as possible makes it more easy to determine what functionality is missing and/or shared between LLVM and LLDB's DWARF interfaces. llvm-svn: 356509
66 lines
2.5 KiB
C++
66 lines
2.5 KiB
C++
//===-- DWARFAbbreviationDeclaration.h --------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef liblldb_DWARFAbbreviationDeclaration_h_
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#define liblldb_DWARFAbbreviationDeclaration_h_
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#include "DWARFAttribute.h"
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#include "DWARFDefines.h"
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#include "SymbolFileDWARF.h"
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#include "llvm/Support/Error.h"
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class DWARFAbbreviationDeclaration {
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public:
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enum { InvalidCode = 0 };
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DWARFAbbreviationDeclaration();
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// For hand crafting an abbreviation declaration
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DWARFAbbreviationDeclaration(dw_tag_t tag, uint8_t has_children);
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dw_uleb128_t Code() const { return m_code; }
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void SetCode(dw_uleb128_t code) { m_code = code; }
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dw_tag_t Tag() const { return m_tag; }
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bool HasChildren() const { return m_has_children; }
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size_t NumAttributes() const { return m_attributes.size(); }
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dw_form_t GetFormByIndex(uint32_t idx) const {
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return m_attributes.size() > idx ? m_attributes[idx].get_form() : 0;
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}
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// idx is assumed to be valid when calling GetAttrAndFormByIndex()
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void GetAttrAndFormValueByIndex(uint32_t idx, dw_attr_t &attr,
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DWARFFormValue &form_value) const {
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m_attributes[idx].get(attr, form_value.FormRef(), form_value.ValueRef());
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}
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dw_form_t GetFormByIndexUnchecked(uint32_t idx) const {
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return m_attributes[idx].get_form();
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}
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uint32_t FindAttributeIndex(dw_attr_t attr) const;
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/// Extract one abbreviation declaration and all of its associated attributes.
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/// Possible return values:
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/// DWARFEnumState::Complete - the extraction completed successfully. This
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/// was the last abbrev decl in a sequence, and the user should not call
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/// this function again.
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/// DWARFEnumState::MoreItems - the extraction completed successfully. The
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/// user should call this function again to retrieve the next decl.
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/// llvm::Error - A parsing error occurred. The debug info is malformed.
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llvm::Expected<lldb_private::DWARFEnumState>
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extract(const lldb_private::DWARFDataExtractor &data,
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lldb::offset_t *offset_ptr);
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bool IsValid();
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bool operator==(const DWARFAbbreviationDeclaration &rhs) const;
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protected:
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dw_uleb128_t m_code;
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dw_tag_t m_tag;
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uint8_t m_has_children;
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DWARFAttribute::collection m_attributes;
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};
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#endif // liblldb_DWARFAbbreviationDeclaration_h_
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