1 files changed, 193 insertions, 0 deletions
diff --git a/source/Plugins/SymbolFile/DWARF/DWARFBaseDIE.cpp b/source/Plugins/SymbolFile/DWARF/DWARFBaseDIE.cpp
new file mode 100644
index 000000000000..077de9604f1d
--- /dev/null
+++ b/source/Plugins/SymbolFile/DWARF/DWARFBaseDIE.cpp
@@ -0,0 +1,193 @@
+//===-- DWARFBaseDIE.cpp ---------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "DWARFBaseDIE.h"
+
+#include "DWARFUnit.h"
+#include "DWARFDebugInfoEntry.h"
+#include "SymbolFileDWARF.h"
+
+#include "lldb/Core/Module.h"
+#include "lldb/Symbol/ObjectFile.h"
+
+using namespace lldb_private;
+
+DIERef DWARFBaseDIE::GetDIERef() const {
+  if (!IsValid())
+    return DIERef();
+
+  dw_offset_t cu_offset = m_cu->GetOffset();
+  if (m_cu->GetBaseObjOffset() != DW_INVALID_OFFSET)
+    cu_offset = m_cu->GetBaseObjOffset();
+  return DIERef(cu_offset, m_die->GetOffset());
+}
+
+dw_tag_t DWARFBaseDIE::Tag() const {
+  if (m_die)
+    return m_die->Tag();
+  else
+    return 0;
+}
+
+const char *DWARFBaseDIE::GetTagAsCString() const {
+  return lldb_private::DW_TAG_value_to_name(Tag());
+}
+
+const char *DWARFBaseDIE::GetAttributeValueAsString(const dw_attr_t attr,
+                                                const char *fail_value) const {
+  if (IsValid())
+    return m_die->GetAttributeValueAsString(GetDWARF(), GetCU(), attr,
+                                            fail_value);
+  else
+    return fail_value;
+}
+
+uint64_t DWARFBaseDIE::GetAttributeValueAsUnsigned(const dw_attr_t attr,
+                                               uint64_t fail_value) const {
+  if (IsValid())
+    return m_die->GetAttributeValueAsUnsigned(GetDWARF(), GetCU(), attr,
+                                              fail_value);
+  else
+    return fail_value;
+}
+
+int64_t DWARFBaseDIE::GetAttributeValueAsSigned(const dw_attr_t attr,
+                                            int64_t fail_value) const {
+  if (IsValid())
+    return m_die->GetAttributeValueAsSigned(GetDWARF(), GetCU(), attr,
+                                            fail_value);
+  else
+    return fail_value;
+}
+
+uint64_t DWARFBaseDIE::GetAttributeValueAsReference(const dw_attr_t attr,
+                                                uint64_t fail_value) const {
+  if (IsValid())
+    return m_die->GetAttributeValueAsReference(GetDWARF(), GetCU(), attr,
+                                               fail_value);
+  else
+    return fail_value;
+}
+
+uint64_t DWARFBaseDIE::GetAttributeValueAsAddress(const dw_attr_t attr,
+                                              uint64_t fail_value) const {
+  if (IsValid())
+    return m_die->GetAttributeValueAsAddress(GetDWARF(), GetCU(), attr,
+                                             fail_value);
+  else
+    return fail_value;
+}
+
+lldb::user_id_t DWARFBaseDIE::GetID() const {
+  return GetDIERef().GetUID(GetDWARF());
+}
+
+const char *DWARFBaseDIE::GetName() const {
+  if (IsValid())
+    return m_die->GetName(GetDWARF(), m_cu);
+  else
+    return nullptr;
+}
+
+lldb::LanguageType DWARFBaseDIE::GetLanguage() const {
+  if (IsValid())
+    return m_cu->GetLanguageType();
+  else
+    return lldb::eLanguageTypeUnknown;
+}
+
+lldb::ModuleSP DWARFBaseDIE::GetModule() const {
+  SymbolFileDWARF *dwarf = GetDWARF();
+  if (dwarf)
+    return dwarf->GetObjectFile()->GetModule();
+  else
+    return lldb::ModuleSP();
+}
+
+lldb_private::CompileUnit *DWARFBaseDIE::GetLLDBCompileUnit() const {
+  if (IsValid())
+    return GetDWARF()->GetCompUnitForDWARFCompUnit(GetCU());
+  else
+    return nullptr;
+}
+
+dw_offset_t DWARFBaseDIE::GetOffset() const {
+  if (IsValid())
+    return m_die->GetOffset();
+  else
+    return DW_INVALID_OFFSET;
+}
+
+dw_offset_t DWARFBaseDIE::GetCompileUnitRelativeOffset() const {
+  if (IsValid())
+    return m_die->GetOffset() - m_cu->GetOffset();
+  else
+    return DW_INVALID_OFFSET;
+}
+
+SymbolFileDWARF *DWARFBaseDIE::GetDWARF() const {
+  if (m_cu)
+    return m_cu->GetSymbolFileDWARF();
+  else
+    return nullptr;
+}
+
+lldb_private::TypeSystem *DWARFBaseDIE::GetTypeSystem() const {
+  if (m_cu)
+    return m_cu->GetTypeSystem();
+  else
+    return nullptr;
+}
+
+DWARFASTParser *DWARFBaseDIE::GetDWARFParser() const {
+  lldb_private::TypeSystem *type_system = GetTypeSystem();
+  if (type_system)
+    return type_system->GetDWARFParser();
+  else
+    return nullptr;
+}
+
+bool DWARFBaseDIE::HasChildren() const {
+  return m_die && m_die->HasChildren();
+}
+
+bool DWARFBaseDIE::Supports_DW_AT_APPLE_objc_complete_type() const {
+  return IsValid() && GetDWARF()->Supports_DW_AT_APPLE_objc_complete_type(m_cu);
+}
+
+size_t DWARFBaseDIE::GetAttributes(DWARFAttributes &attributes,
+                               uint32_t depth) const {
+  if (IsValid()) {
+    return m_die->GetAttributes(m_cu, m_cu->GetFixedFormSizes(), attributes,
+                                depth);
+  }
+  if (depth == 0)
+    attributes.Clear();
+  return 0;
+}
+
+void DWARFBaseDIE::Dump(lldb_private::Stream *s,
+                    const uint32_t recurse_depth) const {
+  if (s && IsValid())
+    m_die->Dump(GetDWARF(), GetCU(), *s, recurse_depth);
+}
+
+bool operator==(const DWARFBaseDIE &lhs, const DWARFBaseDIE &rhs) {
+  return lhs.GetDIE() == rhs.GetDIE() && lhs.GetCU() == rhs.GetCU();
+}
+
+bool operator!=(const DWARFBaseDIE &lhs, const DWARFBaseDIE &rhs) {
+  return !(lhs == rhs);
+}
+
+const DWARFDataExtractor &DWARFBaseDIE::GetData() const {
+  // Clients must check if this DIE is valid before calling this function.
+  assert(IsValid());
+  return m_cu->GetData();
+}