[lldb] Move non-DWARF code: DWARFUnit -> SymbolFileDWARF

This patchset is removing non-DWARF code from DWARFUnit for better
future merge with LLVM DWARF as discussed with @labath.

Differential revision: https://reviews.llvm.org/D70646
This commit is contained in:
Jan Kratochvil 2020-01-31 15:16:31 +01:00
parent 49e424e08e
commit 789beeeca3
12 changed files with 134 additions and 157 deletions

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@ -155,7 +155,7 @@ TypeSP DWARFASTParserClang::ParseTypeFromClangModule(const SymbolContext &sc,
// The type in the Clang module must have the same language as the current CU.
LanguageSet languages;
languages.Insert(die.GetCU()->GetLanguageType());
languages.Insert(SymbolFileDWARF::GetLanguage(*die.GetCU()));
llvm::DenseSet<SymbolFile *> searched_symbol_files;
clang_module_sp->GetSymbolFile()->FindTypes(decl_context, languages,
searched_symbol_files, pcm_types);
@ -504,7 +504,7 @@ DWARFASTParserClang::ParseTypeModifier(const SymbolContext &sc,
DWARF_LOG_LOOKUPS));
SymbolFileDWARF *dwarf = die.GetDWARF();
const dw_tag_t tag = die.Tag();
LanguageType cu_language = die.GetLanguage();
LanguageType cu_language = SymbolFileDWARF::GetLanguage(*die.GetCU());
Type::ResolveState resolve_state = Type::ResolveState::Unresolved;
Type::EncodingDataType encoding_data_type = Type::eEncodingIsUID;
TypeSP type_sp;
@ -726,8 +726,7 @@ TypeSP DWARFASTParserClang::ParseEnum(const SymbolContext &sc,
if (type_sp)
return type_sp;
DWARFDeclContext die_decl_ctx;
die.GetDWARFDeclContext(die_decl_ctx);
DWARFDeclContext die_decl_ctx = SymbolFileDWARF::GetDWARFDeclContext(die);
type_sp = dwarf->FindDefinitionTypeForDWARFDeclContext(die_decl_ctx);
@ -1383,7 +1382,7 @@ DWARFASTParserClang::ParseStructureLikeDIE(const SymbolContext &sc,
CompilerType clang_type;
const dw_tag_t tag = die.Tag();
SymbolFileDWARF *dwarf = die.GetDWARF();
LanguageType cu_language = die.GetLanguage();
LanguageType cu_language = SymbolFileDWARF::GetLanguage(*die.GetCU());
Log *log = LogChannelDWARF::GetLogIfAll(DWARF_LOG_TYPE_COMPLETION |
DWARF_LOG_LOOKUPS);
@ -1515,8 +1514,7 @@ DWARFASTParserClang::ParseStructureLikeDIE(const SymbolContext &sc,
if (type_sp)
return type_sp;
DWARFDeclContext die_decl_ctx;
die.GetDWARFDeclContext(die_decl_ctx);
DWARFDeclContext die_decl_ctx = SymbolFileDWARF::GetDWARFDeclContext(die);
// type_sp = FindDefinitionTypeForDIE (dwarf_cu, die,
// type_name_const_str);
@ -2311,9 +2309,11 @@ Function *DWARFASTParserClang::ParseFunctionFromDWARF(CompileUnit &comp_unit,
func_name.SetValue(ConstString(mangled), true);
else if ((die.GetParent().Tag() == DW_TAG_compile_unit ||
die.GetParent().Tag() == DW_TAG_partial_unit) &&
Language::LanguageIsCPlusPlus(die.GetLanguage()) &&
!Language::LanguageIsObjC(die.GetLanguage()) && name &&
strcmp(name, "main") != 0) {
Language::LanguageIsCPlusPlus(
SymbolFileDWARF::GetLanguage(*die.GetCU())) &&
!Language::LanguageIsObjC(
SymbolFileDWARF::GetLanguage(*die.GetCU())) &&
name && strcmp(name, "main") != 0) {
// If the mangled name is not present in the DWARF, generate the
// demangled name using the decl context. We skip if the function is
// "main" as its name is never mangled.
@ -2323,10 +2323,9 @@ Function *DWARFASTParserClang::ParseFunctionFromDWARF(CompileUnit &comp_unit,
unsigned type_quals = 0;
std::vector<CompilerType> param_types;
std::vector<clang::ParmVarDecl *> param_decls;
DWARFDeclContext decl_ctx;
StreamString sstr;
die.GetDWARFDeclContext(decl_ctx);
DWARFDeclContext decl_ctx = SymbolFileDWARF::GetDWARFDeclContext(die);
sstr << decl_ctx.GetQualifiedName();
clang::DeclContext *containing_decl_ctx =
@ -3274,7 +3273,7 @@ clang::Decl *DWARFASTParserClang::GetClangDeclForDIE(const DWARFDIE &die) {
SymbolFileDWARF *dwarf = die.GetDWARF();
DWARFDIE imported_uid = die.GetAttributeValueAsReferenceDIE(DW_AT_import);
if (imported_uid) {
CompilerDecl imported_decl = imported_uid.GetDecl();
CompilerDecl imported_decl = SymbolFileDWARF::GetDecl(imported_uid);
if (imported_decl) {
clang::DeclContext *decl_context =
TypeSystemClang::DeclContextGetAsDeclContext(
@ -3293,7 +3292,8 @@ clang::Decl *DWARFASTParserClang::GetClangDeclForDIE(const DWARFDIE &die) {
DWARFDIE imported_uid = die.GetAttributeValueAsReferenceDIE(DW_AT_import);
if (imported_uid) {
CompilerDeclContext imported_decl_ctx = imported_uid.GetDeclContext();
CompilerDeclContext imported_decl_ctx =
SymbolFileDWARF::GetDeclContext(imported_uid);
if (imported_decl_ctx) {
clang::DeclContext *decl_context =
TypeSystemClang::DeclContextGetAsDeclContext(
@ -3641,9 +3641,9 @@ bool DWARFASTParserClang::CopyUniqueClassMethodTypes(
}
DWARFASTParserClang *src_dwarf_ast_parser =
(DWARFASTParserClang *)src_die.GetDWARFParser();
(DWARFASTParserClang *)SymbolFileDWARF::GetDWARFParser(*src_die.GetCU());
DWARFASTParserClang *dst_dwarf_ast_parser =
(DWARFASTParserClang *)dst_die.GetDWARFParser();
(DWARFASTParserClang *)SymbolFileDWARF::GetDWARFParser(*dst_die.GetCU());
// Now do the work of linking the DeclContexts and Types.
if (fast_path) {

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@ -74,13 +74,6 @@ const char *DWARFBaseDIE::GetName() const {
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)
@ -103,24 +96,6 @@ SymbolFileDWARF *DWARFBaseDIE::GetDWARF() const {
return nullptr;
}
llvm::Expected<lldb_private::TypeSystem &> DWARFBaseDIE::GetTypeSystem() const {
if (!m_cu)
return llvm::make_error<llvm::StringError>(
"Unable to get TypeSystem, no compilation unit available",
llvm::inconvertibleErrorCode());
return m_cu->GetTypeSystem();
}
DWARFASTParser *DWARFBaseDIE::GetDWARFParser() const {
auto type_system_or_err = GetTypeSystem();
if (auto err = type_system_or_err.takeError()) {
LLDB_LOG_ERROR(lldb_private::GetLogIfAnyCategoriesSet(LIBLLDB_LOG_SYMBOLS),
std::move(err), "Unable to get DWARFASTParser");
return nullptr;
}
return type_system_or_err->GetDWARFParser();
}
bool DWARFBaseDIE::HasChildren() const {
return m_die && m_die->HasChildren();
}

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@ -57,10 +57,6 @@ public:
llvm::Optional<DIERef> GetDIERef() const;
llvm::Expected<lldb_private::TypeSystem &> GetTypeSystem() const;
DWARFASTParser *GetDWARFParser() const;
void Set(DWARFUnit *cu, DWARFDebugInfoEntry *die) {
if (cu && die) {
m_cu = cu;
@ -98,8 +94,6 @@ public:
const char *GetName() const;
lldb::LanguageType GetLanguage() const;
lldb::ModuleSP GetModule() const;
// Getting attribute values from the DIE.

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@ -372,15 +372,6 @@ std::vector<DWARFDIE> DWARFDIE::GetDeclContextDIEs() const {
return result;
}
void DWARFDIE::GetDWARFDeclContext(DWARFDeclContext &dwarf_decl_ctx) const {
if (IsValid()) {
dwarf_decl_ctx.SetLanguage(GetLanguage());
m_die->GetDWARFDeclContext(GetCU(), dwarf_decl_ctx);
} else {
dwarf_decl_ctx.Clear();
}
}
void DWARFDIE::GetDeclContext(
llvm::SmallVectorImpl<lldb_private::CompilerContext> &context) const {
const dw_tag_t tag = Tag();
@ -457,27 +448,3 @@ bool DWARFDIE::GetDIENamesAndRanges(
} else
return false;
}
CompilerDecl DWARFDIE::GetDecl() const {
DWARFASTParser *dwarf_ast = GetDWARFParser();
if (dwarf_ast)
return dwarf_ast->GetDeclForUIDFromDWARF(*this);
else
return CompilerDecl();
}
CompilerDeclContext DWARFDIE::GetDeclContext() const {
DWARFASTParser *dwarf_ast = GetDWARFParser();
if (dwarf_ast)
return dwarf_ast->GetDeclContextForUIDFromDWARF(*this);
else
return CompilerDeclContext();
}
CompilerDeclContext DWARFDIE::GetContainingDeclContext() const {
DWARFASTParser *dwarf_ast = GetDWARFParser();
if (dwarf_ast)
return dwarf_ast->GetDeclContextContainingUIDFromDWARF(*this);
else
return CompilerDeclContext();
}

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@ -70,8 +70,6 @@ public:
// DeclContext related functions
std::vector<DWARFDIE> GetDeclContextDIEs() const;
void GetDWARFDeclContext(DWARFDeclContext &dwarf_decl_ctx) const;
/// Return this DIE's decl context as it is needed to look up types
/// in Clang's -gmodules debug info format.
void GetDeclContext(
@ -90,14 +88,6 @@ public:
int &decl_line, int &decl_column, int &call_file,
int &call_line, int &call_column,
lldb_private::DWARFExpression *frame_base) const;
// CompilerDecl related functions
lldb_private::CompilerDecl GetDecl() const;
lldb_private::CompilerDeclContext GetDeclContext() const;
lldb_private::CompilerDeclContext GetContainingDeclContext() const;
};
#endif // SymbolFileDWARF_DWARFDIE_h_

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@ -868,19 +868,20 @@ void DWARFDebugInfoEntry::BuildFunctionAddressRangeTable(
}
}
void DWARFDebugInfoEntry::GetDWARFDeclContext(
DWARFUnit *cu, DWARFDeclContext &dwarf_decl_ctx) const {
DWARFDeclContext DWARFDebugInfoEntry::GetDWARFDeclContext(DWARFUnit *cu) const {
DWARFDeclContext dwarf_decl_ctx;
const dw_tag_t tag = Tag();
if (tag != DW_TAG_compile_unit && tag != DW_TAG_partial_unit) {
dwarf_decl_ctx.AppendDeclContext(tag, GetName(cu));
DWARFDIE parent_decl_ctx_die = GetParentDeclContextDIE(cu);
if (parent_decl_ctx_die && parent_decl_ctx_die.GetDIE() != this) {
if (parent_decl_ctx_die.Tag() != DW_TAG_compile_unit &&
parent_decl_ctx_die.Tag() != DW_TAG_partial_unit)
parent_decl_ctx_die.GetDIE()->GetDWARFDeclContext(
parent_decl_ctx_die.GetCU(), dwarf_decl_ctx);
dwarf_decl_ctx = parent_decl_ctx_die.GetDIE()->GetDWARFDeclContext(
parent_decl_ctx_die.GetCU());
}
dwarf_decl_ctx.AppendDeclContext(tag, GetName(cu));
}
return dwarf_decl_ctx;
}
DWARFDIE

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@ -158,8 +158,7 @@ public:
return HasChildren() ? this + 1 : nullptr;
}
void GetDWARFDeclContext(DWARFUnit *cu,
DWARFDeclContext &dwarf_decl_ctx) const;
DWARFDeclContext GetDWARFDeclContext(DWARFUnit *cu) const;
DWARFDIE GetParentDeclContextDIE(DWARFUnit *cu) const;
DWARFDIE GetParentDeclContextDIE(DWARFUnit *cu,

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@ -514,10 +514,6 @@ lldb::ByteOrder DWARFUnit::GetByteOrder() const {
return m_dwarf.GetObjectFile()->GetByteOrder();
}
llvm::Expected<TypeSystem &> DWARFUnit::GetTypeSystem() {
return m_dwarf.GetTypeSystemForLanguage(GetLanguageType());
}
void DWARFUnit::SetBaseAddress(dw_addr_t base_addr) { m_base_addr = base_addr; }
// Compare function DWARFDebugAranges::Range structures
@ -655,28 +651,17 @@ uint32_t DWARFUnit::GetProducerVersionUpdate() {
ParseProducerInfo();
return m_producer_version_update;
}
LanguageType DWARFUnit::LanguageTypeFromDWARF(uint64_t val) {
// Note: user languages between lo_user and hi_user must be handled
// explicitly here.
switch (val) {
case DW_LANG_Mips_Assembler:
return eLanguageTypeMipsAssembler;
case DW_LANG_GOOGLE_RenderScript:
return eLanguageTypeExtRenderScript;
default:
return static_cast<LanguageType>(val);
}
}
LanguageType DWARFUnit::GetLanguageType() {
if (m_language_type != eLanguageTypeUnknown)
return m_language_type;
uint64_t DWARFUnit::GetDWARFLanguageType() {
if (m_language_type)
return *m_language_type;
const DWARFDebugInfoEntry *die = GetUnitDIEPtrOnly();
if (die)
m_language_type = LanguageTypeFromDWARF(
die->GetAttributeValueAsUnsigned(this, DW_AT_language, 0));
return m_language_type;
if (!die)
m_language_type = 0;
else
m_language_type = die->GetAttributeValueAsUnsigned(this, DW_AT_language, 0);
return *m_language_type;
}
bool DWARFUnit::GetIsOptimized() {

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@ -152,8 +152,6 @@ public:
lldb::ByteOrder GetByteOrder() const;
llvm::Expected<lldb_private::TypeSystem &> GetTypeSystem();
const DWARFDebugAranges &GetFunctionAranges();
void SetBaseAddress(dw_addr_t base_addr);
@ -190,9 +188,7 @@ public:
uint32_t GetProducerVersionUpdate();
static lldb::LanguageType LanguageTypeFromDWARF(uint64_t val);
lldb::LanguageType GetLanguageType();
uint64_t GetDWARFLanguageType();
bool GetIsOptimized();
@ -304,7 +300,7 @@ protected:
uint32_t m_producer_version_major = 0;
uint32_t m_producer_version_minor = 0;
uint32_t m_producer_version_update = 0;
lldb::LanguageType m_language_type = lldb::eLanguageTypeUnknown;
llvm::Optional<uint64_t> m_language_type;
lldb_private::LazyBool m_is_optimized = lldb_private::eLazyBoolCalculate;
llvm::Optional<lldb_private::FileSpec> m_comp_dir;
llvm::Optional<lldb_private::FileSpec> m_file_spec;

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@ -100,7 +100,7 @@ void ManualDWARFIndex::IndexUnit(DWARFUnit &unit, IndexSet &set) {
unit.GetOffset());
}
const LanguageType cu_language = unit.GetLanguageType();
const LanguageType cu_language = SymbolFileDWARF::GetLanguage(unit);
IndexUnitImpl(unit, cu_language, set);

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@ -670,7 +670,7 @@ lldb::CompUnitSP SymbolFileDWARF::ParseCompileUnit(DWARFCompileUnit &dwarf_cu) {
cu_file_spec.SetFile(remapped_file, FileSpec::Style::native);
}
LanguageType cu_language = DWARFUnit::LanguageTypeFromDWARF(
LanguageType cu_language = SymbolFileDWARF::LanguageTypeFromDWARF(
cu_die.GetAttributeValueAsUnsigned(DW_AT_language, 0));
bool is_optimized = dwarf_cu.GetNonSkeletonUnit().GetIsOptimized();
@ -748,8 +748,7 @@ Function *SymbolFileDWARF::ParseFunction(CompileUnit &comp_unit,
if (!die.IsValid())
return nullptr;
auto type_system_or_err =
GetTypeSystemForLanguage(die.GetCU()->GetLanguageType());
auto type_system_or_err = GetTypeSystemForLanguage(GetLanguage(*die.GetCU()));
if (auto err = type_system_or_err.takeError()) {
LLDB_LOG_ERROR(lldb_private::GetLogIfAnyCategoriesSet(LIBLLDB_LOG_SYMBOLS),
std::move(err), "Unable to parse function");
@ -781,7 +780,7 @@ lldb::LanguageType SymbolFileDWARF::ParseLanguage(CompileUnit &comp_unit) {
std::lock_guard<std::recursive_mutex> guard(GetModuleMutex());
DWARFUnit *dwarf_cu = GetDWARFCompileUnit(&comp_unit);
if (dwarf_cu)
return dwarf_cu->GetLanguageType();
return GetLanguage(*dwarf_cu);
else
return eLanguageTypeUnknown;
}
@ -1272,7 +1271,7 @@ CompilerDecl SymbolFileDWARF::GetDeclForUID(lldb::user_id_t type_uid) {
// SymbolFileDWARF::GetDIE(). See comments inside the
// SymbolFileDWARF::GetDIE() for details.
if (DWARFDIE die = GetDIE(type_uid))
return die.GetDecl();
return GetDecl(die);
return CompilerDecl();
}
@ -1285,7 +1284,7 @@ SymbolFileDWARF::GetDeclContextForUID(lldb::user_id_t type_uid) {
// SymbolFileDWARF::GetDIE(). See comments inside the
// SymbolFileDWARF::GetDIE() for details.
if (DWARFDIE die = GetDIE(type_uid))
return die.GetDeclContext();
return GetDeclContext(die);
return CompilerDeclContext();
}
@ -1296,7 +1295,7 @@ SymbolFileDWARF::GetDeclContextContainingUID(lldb::user_id_t type_uid) {
// SymbolFileDWARF::GetDIE(). See comments inside the
// SymbolFileDWARF::GetDIE() for details.
if (DWARFDIE die = GetDIE(type_uid))
return die.GetContainingDeclContext();
return GetContainingDeclContext(die);
return CompilerDeclContext();
}
@ -1427,8 +1426,7 @@ bool SymbolFileDWARF::CompleteType(CompilerType &compiler_type) {
dwarf_die.GetID(), dwarf_die.GetTagAsCString(),
type->GetName().AsCString());
assert(compiler_type);
DWARFASTParser *dwarf_ast = dwarf_die.GetDWARFParser();
if (dwarf_ast)
if (DWARFASTParser *dwarf_ast = GetDWARFParser(*dwarf_die.GetCU()))
return dwarf_ast->CompleteTypeFromDWARF(dwarf_die, type, compiler_type);
}
return false;
@ -2099,8 +2097,7 @@ void SymbolFileDWARF::FindGlobalVariables(
sc.comp_unit = GetCompUnitForDWARFCompUnit(*dwarf_cu);
if (parent_decl_ctx) {
DWARFASTParser *dwarf_ast = die.GetDWARFParser();
if (dwarf_ast) {
if (DWARFASTParser *dwarf_ast = GetDWARFParser(*die.GetCU())) {
CompilerDeclContext actual_parent_decl_ctx =
dwarf_ast->GetDeclContextContainingUIDFromDWARF(die);
if (!actual_parent_decl_ctx ||
@ -2258,11 +2255,9 @@ bool SymbolFileDWARF::DIEInDeclContext(const CompilerDeclContext *decl_ctx,
return true;
if (die) {
DWARFASTParser *dwarf_ast = die.GetDWARFParser();
if (dwarf_ast) {
CompilerDeclContext actual_decl_ctx =
dwarf_ast->GetDeclContextContainingUIDFromDWARF(die);
if (actual_decl_ctx)
if (DWARFASTParser *dwarf_ast = GetDWARFParser(*die.GetCU())) {
if (CompilerDeclContext actual_decl_ctx =
dwarf_ast->GetDeclContextContainingUIDFromDWARF(die))
return decl_ctx->IsContainedInLookup(actual_decl_ctx);
}
}
@ -2509,7 +2504,7 @@ void SymbolFileDWARF::FindTypes(
m_index->ReportInvalidDIERef(die_ref, name.GetStringRef());
continue;
}
if (!languages[die.GetCU()->GetLanguageType()])
if (!languages[GetLanguage(*die.GetCU())])
continue;
llvm::SmallVector<CompilerContext, 4> die_context;
@ -2566,8 +2561,7 @@ SymbolFileDWARF::FindNamespace(ConstString name,
if (!DIEInDeclContext(parent_decl_ctx, die))
continue; // The containing decl contexts don't match
DWARFASTParser *dwarf_ast = die.GetDWARFParser();
if (dwarf_ast) {
if (DWARFASTParser *dwarf_ast = GetDWARFParser(*die.GetCU())) {
namespace_decl_ctx = dwarf_ast->GetDeclContextForUIDFromDWARF(die);
if (namespace_decl_ctx)
break;
@ -2928,7 +2922,7 @@ TypeSP SymbolFileDWARF::FindDefinitionTypeForDWARFDeclContext(
// looking for. We don't want to find a "Foo" type from Java if we
// are looking for a "Foo" type for C, C++, ObjC, or ObjC++.
if (type_system &&
!type_system->SupportsLanguage(type_die.GetLanguage()))
!type_system->SupportsLanguage(GetLanguage(*type_die.GetCU())))
continue;
bool try_resolving_type = false;
@ -2962,8 +2956,8 @@ TypeSP SymbolFileDWARF::FindDefinitionTypeForDWARFDeclContext(
}
if (try_resolving_type) {
DWARFDeclContext type_dwarf_decl_ctx;
type_die.GetDWARFDeclContext(type_dwarf_decl_ctx);
DWARFDeclContext type_dwarf_decl_ctx =
GetDWARFDeclContext(type_die);
if (log) {
GetObjectFile()->GetModule()->LogMessage(
@ -3013,8 +3007,7 @@ TypeSP SymbolFileDWARF::ParseType(const SymbolContext &sc, const DWARFDIE &die,
if (!die)
return {};
auto type_system_or_err =
GetTypeSystemForLanguage(die.GetCU()->GetLanguageType());
auto type_system_or_err = GetTypeSystemForLanguage(GetLanguage(*die.GetCU()));
if (auto err = type_system_or_err.takeError()) {
LLDB_LOG_ERROR(lldb_private::GetLogIfAnyCategoriesSet(LIBLLDB_LOG_SYMBOLS),
std::move(err), "Unable to parse type");
@ -3381,12 +3374,10 @@ VariableSP SymbolFileDWARF::ParseVariableDIE(const SymbolContext &sc,
// declaration context.
if ((parent_tag == DW_TAG_compile_unit ||
parent_tag == DW_TAG_partial_unit) &&
Language::LanguageIsCPlusPlus(die.GetLanguage())) {
DWARFDeclContext decl_ctx;
die.GetDWARFDeclContext(decl_ctx);
mangled = decl_ctx.GetQualifiedNameAsConstString().GetCString();
}
Language::LanguageIsCPlusPlus(GetLanguage(*die.GetCU())))
mangled = GetDWARFDeclContext(die)
.GetQualifiedNameAsConstString()
.GetCString();
}
if (tag == DW_TAG_formal_parameter)
@ -3954,3 +3945,62 @@ SymbolFileDWARFDwp *SymbolFileDWARF::GetDwpSymbolFile() {
});
return m_dwp_symfile.get();
}
llvm::Expected<TypeSystem &> SymbolFileDWARF::GetTypeSystem(DWARFUnit &unit) {
return unit.GetSymbolFileDWARF().GetTypeSystemForLanguage(GetLanguage(unit));
}
DWARFASTParser *SymbolFileDWARF::GetDWARFParser(DWARFUnit &unit) {
auto type_system_or_err = GetTypeSystem(unit);
if (auto err = type_system_or_err.takeError()) {
LLDB_LOG_ERROR(lldb_private::GetLogIfAnyCategoriesSet(LIBLLDB_LOG_SYMBOLS),
std::move(err), "Unable to get DWARFASTParser");
return nullptr;
}
return type_system_or_err->GetDWARFParser();
}
CompilerDecl SymbolFileDWARF::GetDecl(const DWARFDIE &die) {
if (DWARFASTParser *dwarf_ast = GetDWARFParser(*die.GetCU()))
return dwarf_ast->GetDeclForUIDFromDWARF(die);
return CompilerDecl();
}
CompilerDeclContext SymbolFileDWARF::GetDeclContext(const DWARFDIE &die) {
if (DWARFASTParser *dwarf_ast = GetDWARFParser(*die.GetCU()))
return dwarf_ast->GetDeclContextForUIDFromDWARF(die);
return CompilerDeclContext();
}
CompilerDeclContext
SymbolFileDWARF::GetContainingDeclContext(const DWARFDIE &die) {
if (DWARFASTParser *dwarf_ast = GetDWARFParser(*die.GetCU()))
return dwarf_ast->GetDeclContextContainingUIDFromDWARF(die);
return CompilerDeclContext();
}
DWARFDeclContext SymbolFileDWARF::GetDWARFDeclContext(const DWARFDIE &die) {
if (!die.IsValid())
return {};
DWARFDeclContext dwarf_decl_ctx =
die.GetDIE()->GetDWARFDeclContext(die.GetCU());
dwarf_decl_ctx.SetLanguage(GetLanguage(*die.GetCU()));
return dwarf_decl_ctx;
}
LanguageType SymbolFileDWARF::LanguageTypeFromDWARF(uint64_t val) {
// Note: user languages between lo_user and hi_user must be handled
// explicitly here.
switch (val) {
case DW_LANG_Mips_Assembler:
return eLanguageTypeMipsAssembler;
case DW_LANG_GOOGLE_RenderScript:
return eLanguageTypeExtRenderScript;
default:
return static_cast<LanguageType>(val);
}
}
LanguageType SymbolFileDWARF::GetLanguage(DWARFUnit &unit) {
return LanguageTypeFromDWARF(unit.GetDWARFLanguageType());
}

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@ -301,6 +301,26 @@ public:
lldb_private::FileSpec GetFile(DWARFUnit &unit, size_t file_idx);
static llvm::Expected<lldb_private::TypeSystem &>
GetTypeSystem(DWARFUnit &unit);
static DWARFASTParser *GetDWARFParser(DWARFUnit &unit);
// CompilerDecl related functions
static lldb_private::CompilerDecl GetDecl(const DWARFDIE &die);
static lldb_private::CompilerDeclContext GetDeclContext(const DWARFDIE &die);
static lldb_private::CompilerDeclContext
GetContainingDeclContext(const DWARFDIE &die);
static DWARFDeclContext GetDWARFDeclContext(const DWARFDIE &die);
static lldb::LanguageType LanguageTypeFromDWARF(uint64_t val);
static lldb::LanguageType GetLanguage(DWARFUnit &unit);
protected:
typedef llvm::DenseMap<const DWARFDebugInfoEntry *, lldb_private::Type *>
DIEToTypePtr;