| //===-- DWARFIndex.cpp -----------------------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "Plugins/SymbolFile/DWARF/DWARFIndex.h" |
| #include "Plugins/SymbolFile/DWARF/DWARFDIE.h" |
| #include "Plugins/SymbolFile/DWARF/DWARFDebugInfo.h" |
| |
| #include "Plugins/Language/ObjC/ObjCLanguage.h" |
| |
| using namespace lldb_private; |
| using namespace lldb; |
| |
| DWARFIndex::~DWARFIndex() = default; |
| |
| void DWARFIndex::ProcessFunctionDIE(llvm::StringRef name, DIERef ref, |
| DWARFDebugInfo &info, |
| const CompilerDeclContext &parent_decl_ctx, |
| uint32_t name_type_mask, |
| std::vector<DWARFDIE> &dies) { |
| DWARFDIE die = info.GetDIE(ref); |
| if (!die) { |
| ReportInvalidDIEOffset(ref.die_offset, name); |
| return; |
| } |
| |
| // Exit early if we're searching exclusively for methods or selectors and |
| // we have a context specified (no methods in namespaces). |
| uint32_t looking_for_nonmethods = |
| name_type_mask & ~(eFunctionNameTypeMethod | eFunctionNameTypeSelector); |
| if (!looking_for_nonmethods && parent_decl_ctx.IsValid()) |
| return; |
| |
| // Otherwise, we need to also check that the context matches. If it does not |
| // match, we do nothing. |
| if (!SymbolFileDWARF::DIEInDeclContext(&parent_decl_ctx, die)) |
| return; |
| |
| // In case of a full match, we just insert everything we find. |
| if (name_type_mask & eFunctionNameTypeFull) { |
| dies.push_back(die); |
| return; |
| } |
| |
| // If looking for ObjC selectors, we need to also check if the name is a |
| // possible selector. |
| if (name_type_mask & eFunctionNameTypeSelector && |
| ObjCLanguage::IsPossibleObjCMethodName(die.GetName())) { |
| dies.push_back(die); |
| return; |
| } |
| |
| bool looking_for_methods = name_type_mask & lldb::eFunctionNameTypeMethod; |
| bool looking_for_functions = name_type_mask & lldb::eFunctionNameTypeBase; |
| if (looking_for_methods || looking_for_functions) { |
| // If we're looking for either methods or functions, we definitely want this |
| // die. Otherwise, only keep it if the die type matches what we are |
| // searching for. |
| if ((looking_for_methods && looking_for_functions) || |
| looking_for_methods == die.IsMethod()) |
| dies.push_back(die); |
| } |
| } |