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Use forward types where possible to avoid having to parse extra DWARF when 

it is not required.

llvm-svn: 146418
This commit is contained in:
Greg Clayton 2011-12-12 21:50:19 +00:00
parent fadc2c83e5
commit 42ce2f35fd
1 changed files with 10 additions and 8 deletions
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18
lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
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@ -1444,10 +1444,10 @@ SymbolFileDWARF::ParseChildMembers
member_accessibilities.push_back(accessibility); member_accessibilities.push_back(accessibility);
field_decl = GetClangASTContext().AddFieldToRecordType (class_clang_type, field_decl = GetClangASTContext().AddFieldToRecordType (class_clang_type,
name, name,
member_type->GetClangLayoutType(), member_type->GetClangLayoutType(),
accessibility, accessibility,
bit_size); bit_size);
} }
else else
{ {
@ -3341,7 +3341,9 @@ SymbolFileDWARF::ParseChildParameters (const SymbolContext& sc,
{ {
function_param_types.push_back (type->GetClangForwardType()); function_param_types.push_back (type->GetClangForwardType());
clang::ParmVarDecl *param_var_decl = GetClangASTContext().CreateParameterDeclaration (name, type->GetClangForwardType(), storage); clang::ParmVarDecl *param_var_decl = GetClangASTContext().CreateParameterDeclaration (name,
type->GetClangForwardType(),
storage);
assert(param_var_decl); assert(param_var_decl);
function_param_decls.push_back(param_var_decl); function_param_decls.push_back(param_var_decl);
} }
@ -4793,7 +4795,7 @@ SymbolFileDWARF::ParseType (const SymbolContext& sc, DWARFCompileUnit* dwarf_cu,
func_type = ResolveTypeUID(type_die_offset); func_type = ResolveTypeUID(type_die_offset);
if (func_type) if (func_type)
return_clang_type = func_type->GetClangLayoutType(); return_clang_type = func_type->GetClangForwardType();
else else
return_clang_type = ast.GetBuiltInType_void(); return_clang_type = ast.GetBuiltInType_void();
@ -5116,7 +5118,7 @@ SymbolFileDWARF::ParseType (const SymbolContext& sc, DWARFCompileUnit* dwarf_cu,
element_orders.push_back (1); element_orders.push_back (1);
if (byte_stride == 0 && bit_stride == 0) if (byte_stride == 0 && bit_stride == 0)
byte_stride = element_type->GetByteSize(); byte_stride = element_type->GetByteSize();
clang_type_t array_element_type = element_type->GetClangFullType(); clang_type_t array_element_type = element_type->GetClangForwardType();
uint64_t array_element_bit_stride = byte_stride * 8 + bit_stride; uint64_t array_element_bit_stride = byte_stride * 8 + bit_stride;
uint64_t num_elements = 0; uint64_t num_elements = 0;
std::vector<uint64_t>::const_reverse_iterator pos; std::vector<uint64_t>::const_reverse_iterator pos;
@ -6002,7 +6004,7 @@ SymbolFileDWARF::SearchDeclContext (const clang::DeclContext *decl_context,
Type *matching_type = ResolveType (dwarf_cu, die); Type *matching_type = ResolveType (dwarf_cu, die);
lldb::clang_type_t type = matching_type->GetClangFullType(); lldb::clang_type_t type = matching_type->GetClangForwardType();
clang::QualType qual_type = clang::QualType::getFromOpaquePtr(type); clang::QualType qual_type = clang::QualType::getFromOpaquePtr(type);
if (const clang::TagType *tag_type = llvm::dyn_cast<clang::TagType>(qual_type.getTypePtr())) if (const clang::TagType *tag_type = llvm::dyn_cast<clang::TagType>(qual_type.getTypePtr()))