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Add a work around to deal with incorrect forward class definitions in 

objective C DWARF emitted by clang.

llvm-svn: 145471
This commit is contained in:
Greg Clayton 2011-11-30 02:48:28 +00:00
parent 385d9f6c24
commit 3a5f29a073
1 changed files with 18 additions and 0 deletions
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18
lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
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@ -4157,6 +4157,24 @@ SymbolFileDWARF::ParseType (const SymbolContext& sc, DWARFCompileUnit* dwarf_cu,
default_accessibility = eAccessPrivate; default_accessibility = eAccessPrivate;
} }
if (byte_size_valid && byte_size == 0 && type_name_cstr &&
die->HasChildren() == false &&
sc.comp_unit->GetLanguage() == eLanguageTypeObjC)
{
// Work around an issue with clang at the moment where
// forward declarations for objective C classes are emitted
// as:
// DW_TAG_structure_type [2]
// DW_AT_name( "ForwardObjcClass" )
// DW_AT_byte_size( 0x00 )
// DW_AT_decl_file( "..." )
// DW_AT_decl_line( 1 )
//
// Note that there is no DW_AT_declaration and there are
// no children, and the byte size is zero.
is_forward_declaration = true;
}
bool look_for_complete_objc_type = false; bool look_for_complete_objc_type = false;
if (class_language == eLanguageTypeObjC) if (class_language == eLanguageTypeObjC)
{ {