96 lines
2.6 KiB
C
96 lines
2.6 KiB
C
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//===-- DWARFDeclContext.h --------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SymbolFileDWARF_DWARFDeclContext_h_
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#define SymbolFileDWARF_DWARFDeclContext_h_
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// C Includes
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// C++ Includes
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#include <string>
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#include <vector>
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// Other libraries and framework includes
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#include "lldb/Utility/ConstString.h"
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// Project includes
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#include "DWARFDefines.h"
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//----------------------------------------------------------------------
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// DWARFDeclContext
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//
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// A class that represents a declaration context all the way down to a
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// DIE. This is useful when trying to find a DIE in one DWARF to a DIE
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// in another DWARF file.
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//----------------------------------------------------------------------
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class DWARFDeclContext {
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public:
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struct Entry {
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Entry() : tag(0), name(NULL) {}
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Entry(dw_tag_t t, const char *n) : tag(t), name(n) {}
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bool NameMatches(const Entry &rhs) const {
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if (name == rhs.name)
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return true;
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else if (name && rhs.name)
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return strcmp(name, rhs.name) == 0;
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return false;
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}
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// Test operator
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explicit operator bool() const { return tag != 0; }
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dw_tag_t tag;
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const char *name;
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};
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DWARFDeclContext() : m_entries(), m_language(lldb::eLanguageTypeUnknown) {}
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void AppendDeclContext(dw_tag_t tag, const char *name) {
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m_entries.push_back(Entry(tag, name));
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}
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bool operator==(const DWARFDeclContext &rhs) const;
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uint32_t GetSize() const { return m_entries.size(); }
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Entry &operator[](uint32_t idx) {
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// "idx" must be valid
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return m_entries[idx];
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}
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const Entry &operator[](uint32_t idx) const {
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// "idx" must be valid
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return m_entries[idx];
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}
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const char *GetQualifiedName() const;
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// Same as GetQaulifiedName, but the life time of the returned string will
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// be that of the LLDB session.
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lldb_private::ConstString GetQualifiedNameAsConstString() const {
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return lldb_private::ConstString(GetQualifiedName());
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}
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void Clear() {
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m_entries.clear();
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m_qualified_name.clear();
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}
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lldb::LanguageType GetLanguage() const { return m_language; }
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void SetLanguage(lldb::LanguageType language) { m_language = language; }
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protected:
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typedef std::vector<Entry> collection;
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collection m_entries;
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mutable std::string m_qualified_name;
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lldb::LanguageType m_language;
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};
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#endif // SymbolFileDWARF_DWARFDeclContext_h_
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