|  | //===-- ClangASTSource.cpp ---------------------------------------*- C++ -*-===// | 
|  | // | 
|  | //                     The LLVM Compiler Infrastructure | 
|  | // | 
|  | // This file is distributed under the University of Illinois Open Source | 
|  | // License. See LICENSE.TXT for details. | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | #include "ClangASTSource.h" | 
|  |  | 
|  | #include "ASTDumper.h" | 
|  | #include "ClangModulesDeclVendor.h" | 
|  |  | 
|  | #include "clang/AST/ASTContext.h" | 
|  | #include "clang/AST/RecordLayout.h" | 
|  | #include "lldb/Core/Log.h" | 
|  | #include "lldb/Core/Module.h" | 
|  | #include "lldb/Core/ModuleList.h" | 
|  | #include "lldb/Symbol/ClangASTContext.h" | 
|  | #include "lldb/Symbol/CompilerDeclContext.h" | 
|  | #include "lldb/Symbol/Function.h" | 
|  | #include "lldb/Symbol/SymbolFile.h" | 
|  | #include "lldb/Symbol/SymbolVendor.h" | 
|  | #include "lldb/Symbol/TaggedASTType.h" | 
|  | #include "lldb/Target/ObjCLanguageRuntime.h" | 
|  | #include "lldb/Target/Target.h" | 
|  |  | 
|  | #include <vector> | 
|  |  | 
|  | using namespace clang; | 
|  | using namespace lldb_private; | 
|  |  | 
|  | //------------------------------------------------------------------ | 
|  | // Scoped class that will remove an active lexical decl from the set | 
|  | // when it goes out of scope. | 
|  | //------------------------------------------------------------------ | 
|  | namespace { | 
|  | class ScopedLexicalDeclEraser | 
|  | { | 
|  | public: | 
|  | ScopedLexicalDeclEraser(std::set<const clang::Decl *> &decls, | 
|  | const clang::Decl *decl) | 
|  | : m_active_lexical_decls(decls), m_decl(decl) | 
|  | { | 
|  | } | 
|  |  | 
|  | ~ScopedLexicalDeclEraser() | 
|  | { | 
|  | m_active_lexical_decls.erase(m_decl); | 
|  | } | 
|  |  | 
|  | private: | 
|  | std::set<const clang::Decl *> &m_active_lexical_decls; | 
|  | const clang::Decl *m_decl; | 
|  | }; | 
|  | } | 
|  |  | 
|  | ClangASTSource::~ClangASTSource() | 
|  | { | 
|  | m_ast_importer_sp->ForgetDestination(m_ast_context); | 
|  |  | 
|  | // We are in the process of destruction, don't create clang ast context on demand | 
|  | // by passing false to Target::GetScratchClangASTContext(create_on_demand). | 
|  | ClangASTContext *scratch_clang_ast_context = m_target->GetScratchClangASTContext(false); | 
|  |  | 
|  | if (!scratch_clang_ast_context) | 
|  | return; | 
|  |  | 
|  | clang::ASTContext *scratch_ast_context = scratch_clang_ast_context->getASTContext(); | 
|  |  | 
|  | if (!scratch_ast_context) | 
|  | return; | 
|  |  | 
|  | if (m_ast_context != scratch_ast_context) | 
|  | m_ast_importer_sp->ForgetSource(scratch_ast_context, m_ast_context); | 
|  | } | 
|  |  | 
|  | void | 
|  | ClangASTSource::StartTranslationUnit(ASTConsumer *Consumer) | 
|  | { | 
|  | if (!m_ast_context) | 
|  | return; | 
|  |  | 
|  | m_ast_context->getTranslationUnitDecl()->setHasExternalVisibleStorage(); | 
|  | m_ast_context->getTranslationUnitDecl()->setHasExternalLexicalStorage(); | 
|  | } | 
|  |  | 
|  | // The core lookup interface. | 
|  | bool | 
|  | ClangASTSource::FindExternalVisibleDeclsByName | 
|  | ( | 
|  | const DeclContext *decl_ctx, | 
|  | DeclarationName clang_decl_name | 
|  | ) | 
|  | { | 
|  | if (!m_ast_context) | 
|  | { | 
|  | SetNoExternalVisibleDeclsForName(decl_ctx, clang_decl_name); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | if (GetImportInProgress()) | 
|  | { | 
|  | SetNoExternalVisibleDeclsForName(decl_ctx, clang_decl_name); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | std::string decl_name (clang_decl_name.getAsString()); | 
|  |  | 
|  | //    if (m_decl_map.DoingASTImport ()) | 
|  | //      return DeclContext::lookup_result(); | 
|  | // | 
|  | switch (clang_decl_name.getNameKind()) { | 
|  | // Normal identifiers. | 
|  | case DeclarationName::Identifier: | 
|  | { | 
|  | clang::IdentifierInfo *identifier_info = clang_decl_name.getAsIdentifierInfo(); | 
|  |  | 
|  | if (!identifier_info || | 
|  | identifier_info->getBuiltinID() != 0) | 
|  | { | 
|  | SetNoExternalVisibleDeclsForName(decl_ctx, clang_decl_name); | 
|  | return false; | 
|  | } | 
|  | } | 
|  | break; | 
|  |  | 
|  | // Operator names. | 
|  | case DeclarationName::CXXOperatorName: | 
|  | case DeclarationName::CXXLiteralOperatorName: | 
|  | break; | 
|  |  | 
|  | // Using directives found in this context. | 
|  | // Tell Sema we didn't find any or we'll end up getting asked a *lot*. | 
|  | case DeclarationName::CXXUsingDirective: | 
|  | SetNoExternalVisibleDeclsForName(decl_ctx, clang_decl_name); | 
|  | return false; | 
|  |  | 
|  | case DeclarationName::ObjCZeroArgSelector: | 
|  | case DeclarationName::ObjCOneArgSelector: | 
|  | case DeclarationName::ObjCMultiArgSelector: | 
|  | { | 
|  | llvm::SmallVector<NamedDecl*, 1> method_decls; | 
|  |  | 
|  | NameSearchContext method_search_context (*this, method_decls, clang_decl_name, decl_ctx); | 
|  |  | 
|  | FindObjCMethodDecls(method_search_context); | 
|  |  | 
|  | SetExternalVisibleDeclsForName (decl_ctx, clang_decl_name, method_decls); | 
|  | return (method_decls.size() > 0); | 
|  | } | 
|  | // These aren't possible in the global context. | 
|  | case DeclarationName::CXXConstructorName: | 
|  | case DeclarationName::CXXDestructorName: | 
|  | case DeclarationName::CXXConversionFunctionName: | 
|  | SetNoExternalVisibleDeclsForName(decl_ctx, clang_decl_name); | 
|  | return false; | 
|  | } | 
|  |  | 
|  |  | 
|  | if (!GetLookupsEnabled()) | 
|  | { | 
|  | // Wait until we see a '$' at the start of a name before we start doing | 
|  | // any lookups so we can avoid lookup up all of the builtin types. | 
|  | if (!decl_name.empty() && decl_name[0] == '$') | 
|  | { | 
|  | SetLookupsEnabled (true); | 
|  | } | 
|  | else | 
|  | { | 
|  | SetNoExternalVisibleDeclsForName(decl_ctx, clang_decl_name); | 
|  | return false; | 
|  | } | 
|  | } | 
|  |  | 
|  | ConstString const_decl_name(decl_name.c_str()); | 
|  |  | 
|  | const char *uniqued_const_decl_name = const_decl_name.GetCString(); | 
|  | if (m_active_lookups.find (uniqued_const_decl_name) != m_active_lookups.end()) | 
|  | { | 
|  | // We are currently looking up this name... | 
|  | SetNoExternalVisibleDeclsForName(decl_ctx, clang_decl_name); | 
|  | return false; | 
|  | } | 
|  | m_active_lookups.insert(uniqued_const_decl_name); | 
|  | //  static uint32_t g_depth = 0; | 
|  | //  ++g_depth; | 
|  | //  printf("[%5u] FindExternalVisibleDeclsByName() \"%s\"\n", g_depth, uniqued_const_decl_name); | 
|  | llvm::SmallVector<NamedDecl*, 4> name_decls; | 
|  | NameSearchContext name_search_context(*this, name_decls, clang_decl_name, decl_ctx); | 
|  | FindExternalVisibleDecls(name_search_context); | 
|  | SetExternalVisibleDeclsForName (decl_ctx, clang_decl_name, name_decls); | 
|  | //  --g_depth; | 
|  | m_active_lookups.erase (uniqued_const_decl_name); | 
|  | return (name_decls.size() != 0); | 
|  | } | 
|  |  | 
|  | void | 
|  | ClangASTSource::CompleteType (TagDecl *tag_decl) | 
|  | { | 
|  | Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS)); | 
|  |  | 
|  | static unsigned int invocation_id = 0; | 
|  | unsigned int current_id = invocation_id++; | 
|  |  | 
|  | if (log) | 
|  | { | 
|  | log->Printf("    CompleteTagDecl[%u] on (ASTContext*)%p Completing (TagDecl*)%p named %s", | 
|  | current_id, static_cast<void*>(m_ast_context), | 
|  | static_cast<void*>(tag_decl), | 
|  | tag_decl->getName().str().c_str()); | 
|  |  | 
|  | log->Printf("      CTD[%u] Before:", current_id); | 
|  | ASTDumper dumper((Decl*)tag_decl); | 
|  | dumper.ToLog(log, "      [CTD] "); | 
|  | } | 
|  |  | 
|  | auto iter = m_active_lexical_decls.find(tag_decl); | 
|  | if (iter != m_active_lexical_decls.end()) | 
|  | return; | 
|  | m_active_lexical_decls.insert(tag_decl); | 
|  | ScopedLexicalDeclEraser eraser(m_active_lexical_decls, tag_decl); | 
|  |  | 
|  | if (!m_ast_importer_sp->CompleteTagDecl (tag_decl)) | 
|  | { | 
|  | // We couldn't complete the type.  Maybe there's a definition | 
|  | // somewhere else that can be completed. | 
|  |  | 
|  | if (log) | 
|  | log->Printf("      CTD[%u] Type could not be completed in the module in which it was first found.", current_id); | 
|  |  | 
|  | bool found = false; | 
|  |  | 
|  | DeclContext *decl_ctx = tag_decl->getDeclContext(); | 
|  |  | 
|  | if (const NamespaceDecl *namespace_context = dyn_cast<NamespaceDecl>(decl_ctx)) | 
|  | { | 
|  | ClangASTImporter::NamespaceMapSP namespace_map = m_ast_importer_sp->GetNamespaceMap(namespace_context); | 
|  |  | 
|  | if (log && log->GetVerbose()) | 
|  | log->Printf("      CTD[%u] Inspecting namespace map %p (%d entries)", | 
|  | current_id, static_cast<void*>(namespace_map.get()), | 
|  | static_cast<int>(namespace_map->size())); | 
|  |  | 
|  | if (!namespace_map) | 
|  | return; | 
|  |  | 
|  | for (ClangASTImporter::NamespaceMap::iterator i = namespace_map->begin(), e = namespace_map->end(); | 
|  | i != e && !found; | 
|  | ++i) | 
|  | { | 
|  | if (log) | 
|  | log->Printf("      CTD[%u] Searching namespace %s in module %s", | 
|  | current_id, | 
|  | i->second.GetName().AsCString(), | 
|  | i->first->GetFileSpec().GetFilename().GetCString()); | 
|  |  | 
|  | TypeList types; | 
|  |  | 
|  | SymbolContext null_sc; | 
|  | ConstString name(tag_decl->getName().str().c_str()); | 
|  |  | 
|  | i->first->FindTypesInNamespace(null_sc, name, &i->second, UINT32_MAX, types); | 
|  |  | 
|  | for (uint32_t ti = 0, te = types.GetSize(); | 
|  | ti != te && !found; | 
|  | ++ti) | 
|  | { | 
|  | lldb::TypeSP type = types.GetTypeAtIndex(ti); | 
|  |  | 
|  | if (!type) | 
|  | continue; | 
|  |  | 
|  | CompilerType clang_type (type->GetFullCompilerType ()); | 
|  |  | 
|  | if (!clang_type) | 
|  | continue; | 
|  |  | 
|  | const TagType *tag_type = ClangASTContext::GetQualType(clang_type)->getAs<TagType>(); | 
|  |  | 
|  | if (!tag_type) | 
|  | continue; | 
|  |  | 
|  | TagDecl *candidate_tag_decl = const_cast<TagDecl*>(tag_type->getDecl()); | 
|  |  | 
|  | if (m_ast_importer_sp->CompleteTagDeclWithOrigin (tag_decl, candidate_tag_decl)) | 
|  | found = true; | 
|  | } | 
|  | } | 
|  | } | 
|  | else | 
|  | { | 
|  | TypeList types; | 
|  |  | 
|  | SymbolContext null_sc; | 
|  | ConstString name(tag_decl->getName().str().c_str()); | 
|  | CompilerDeclContext namespace_decl; | 
|  |  | 
|  | const ModuleList &module_list = m_target->GetImages(); | 
|  |  | 
|  | bool exact_match = false; | 
|  | llvm::DenseSet<SymbolFile *> searched_symbol_files; | 
|  | module_list.FindTypes (null_sc, name, exact_match, UINT32_MAX, searched_symbol_files, types); | 
|  |  | 
|  | for (uint32_t ti = 0, te = types.GetSize(); | 
|  | ti != te && !found; | 
|  | ++ti) | 
|  | { | 
|  | lldb::TypeSP type = types.GetTypeAtIndex(ti); | 
|  |  | 
|  | if (!type) | 
|  | continue; | 
|  |  | 
|  | CompilerType clang_type (type->GetFullCompilerType ()); | 
|  |  | 
|  | if (!clang_type) | 
|  | continue; | 
|  |  | 
|  | const TagType *tag_type = ClangASTContext::GetQualType(clang_type)->getAs<TagType>(); | 
|  |  | 
|  | if (!tag_type) | 
|  | continue; | 
|  |  | 
|  | TagDecl *candidate_tag_decl = const_cast<TagDecl*>(tag_type->getDecl()); | 
|  |  | 
|  | // We have found a type by basename and we need to make sure the decl contexts | 
|  | // are the same before we can try to complete this type with another | 
|  | if (!ClangASTContext::DeclsAreEquivalent (tag_decl, candidate_tag_decl)) | 
|  | continue; | 
|  |  | 
|  | if (m_ast_importer_sp->CompleteTagDeclWithOrigin (tag_decl, candidate_tag_decl)) | 
|  | found = true; | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | if (log) | 
|  | { | 
|  | log->Printf("      [CTD] After:"); | 
|  | ASTDumper dumper((Decl*)tag_decl); | 
|  | dumper.ToLog(log, "      [CTD] "); | 
|  | } | 
|  | } | 
|  |  | 
|  | void | 
|  | ClangASTSource::CompleteType (clang::ObjCInterfaceDecl *interface_decl) | 
|  | { | 
|  | Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS)); | 
|  |  | 
|  | if (log) | 
|  | { | 
|  | log->Printf("    [CompleteObjCInterfaceDecl] on (ASTContext*)%p Completing an ObjCInterfaceDecl named %s", | 
|  | static_cast<void*>(m_ast_context), | 
|  | interface_decl->getName().str().c_str()); | 
|  | log->Printf("      [COID] Before:"); | 
|  | ASTDumper dumper((Decl*)interface_decl); | 
|  | dumper.ToLog(log, "      [COID] "); | 
|  | } | 
|  |  | 
|  | Decl *original_decl = NULL; | 
|  | ASTContext *original_ctx = NULL; | 
|  |  | 
|  | if (m_ast_importer_sp->ResolveDeclOrigin(interface_decl, &original_decl, &original_ctx)) | 
|  | { | 
|  | if (ObjCInterfaceDecl *original_iface_decl = dyn_cast<ObjCInterfaceDecl>(original_decl)) | 
|  | { | 
|  | ObjCInterfaceDecl *complete_iface_decl = GetCompleteObjCInterface(original_iface_decl); | 
|  |  | 
|  | if (complete_iface_decl && (complete_iface_decl != original_iface_decl)) | 
|  | { | 
|  | m_ast_importer_sp->SetDeclOrigin(interface_decl, original_iface_decl); | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | m_ast_importer_sp->CompleteObjCInterfaceDecl (interface_decl); | 
|  |  | 
|  | if (interface_decl->getSuperClass() && | 
|  | interface_decl->getSuperClass() != interface_decl) | 
|  | CompleteType(interface_decl->getSuperClass()); | 
|  |  | 
|  | if (log) | 
|  | { | 
|  | log->Printf("      [COID] After:"); | 
|  | ASTDumper dumper((Decl*)interface_decl); | 
|  | dumper.ToLog(log, "      [COID] "); | 
|  | } | 
|  | } | 
|  |  | 
|  | clang::ObjCInterfaceDecl * | 
|  | ClangASTSource::GetCompleteObjCInterface (clang::ObjCInterfaceDecl *interface_decl) | 
|  | { | 
|  | lldb::ProcessSP process(m_target->GetProcessSP()); | 
|  |  | 
|  | if (!process) | 
|  | return NULL; | 
|  |  | 
|  | ObjCLanguageRuntime *language_runtime(process->GetObjCLanguageRuntime()); | 
|  |  | 
|  | if (!language_runtime) | 
|  | return NULL; | 
|  |  | 
|  | ConstString class_name(interface_decl->getNameAsString().c_str()); | 
|  |  | 
|  | lldb::TypeSP complete_type_sp(language_runtime->LookupInCompleteClassCache(class_name)); | 
|  |  | 
|  | if (!complete_type_sp) | 
|  | return NULL; | 
|  |  | 
|  | TypeFromUser complete_type = TypeFromUser(complete_type_sp->GetFullCompilerType ()); | 
|  | lldb::opaque_compiler_type_t complete_opaque_type = complete_type.GetOpaqueQualType(); | 
|  |  | 
|  | if (!complete_opaque_type) | 
|  | return NULL; | 
|  |  | 
|  | const clang::Type *complete_clang_type = QualType::getFromOpaquePtr(complete_opaque_type).getTypePtr(); | 
|  | const ObjCInterfaceType *complete_interface_type = dyn_cast<ObjCInterfaceType>(complete_clang_type); | 
|  |  | 
|  | if (!complete_interface_type) | 
|  | return NULL; | 
|  |  | 
|  | ObjCInterfaceDecl *complete_iface_decl(complete_interface_type->getDecl()); | 
|  |  | 
|  | return complete_iface_decl; | 
|  | } | 
|  |  | 
|  | void | 
|  | ClangASTSource::FindExternalLexicalDecls (const DeclContext *decl_context, | 
|  | llvm::function_ref<bool(Decl::Kind)> predicate, | 
|  | llvm::SmallVectorImpl<Decl*> &decls) | 
|  | { | 
|  | ClangASTMetrics::RegisterLexicalQuery(); | 
|  |  | 
|  | Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS)); | 
|  |  | 
|  | const Decl *context_decl = dyn_cast<Decl>(decl_context); | 
|  |  | 
|  | if (!context_decl) | 
|  | return; | 
|  |  | 
|  | auto iter = m_active_lexical_decls.find(context_decl); | 
|  | if (iter != m_active_lexical_decls.end()) | 
|  | return; | 
|  | m_active_lexical_decls.insert(context_decl); | 
|  | ScopedLexicalDeclEraser eraser(m_active_lexical_decls, context_decl); | 
|  |  | 
|  | static unsigned int invocation_id = 0; | 
|  | unsigned int current_id = invocation_id++; | 
|  |  | 
|  | if (log) | 
|  | { | 
|  | if (const NamedDecl *context_named_decl = dyn_cast<NamedDecl>(context_decl)) | 
|  | log->Printf("FindExternalLexicalDecls[%u] on (ASTContext*)%p in '%s' (%sDecl*)%p", | 
|  | current_id, static_cast<void*>(m_ast_context), | 
|  | context_named_decl->getNameAsString().c_str(), | 
|  | context_decl->getDeclKindName(), | 
|  | static_cast<const void*>(context_decl)); | 
|  | else if(context_decl) | 
|  | log->Printf("FindExternalLexicalDecls[%u] on (ASTContext*)%p in (%sDecl*)%p", | 
|  | current_id, static_cast<void*>(m_ast_context), | 
|  | context_decl->getDeclKindName(), | 
|  | static_cast<const void*>(context_decl)); | 
|  | else | 
|  | log->Printf("FindExternalLexicalDecls[%u] on (ASTContext*)%p in a NULL context", | 
|  | current_id, static_cast<const void*>(m_ast_context)); | 
|  | } | 
|  |  | 
|  | Decl *original_decl = NULL; | 
|  | ASTContext *original_ctx = NULL; | 
|  |  | 
|  | if (!m_ast_importer_sp->ResolveDeclOrigin(context_decl, &original_decl, &original_ctx)) | 
|  | return; | 
|  |  | 
|  | if (log) | 
|  | { | 
|  | log->Printf("  FELD[%u] Original decl (ASTContext*)%p (Decl*)%p:", | 
|  | current_id, static_cast<void*>(original_ctx), | 
|  | static_cast<void*>(original_decl)); | 
|  | ASTDumper(original_decl).ToLog(log, "    "); | 
|  | } | 
|  |  | 
|  | if (ObjCInterfaceDecl *original_iface_decl = dyn_cast<ObjCInterfaceDecl>(original_decl)) | 
|  | { | 
|  | ObjCInterfaceDecl *complete_iface_decl = GetCompleteObjCInterface(original_iface_decl); | 
|  |  | 
|  | if (complete_iface_decl && (complete_iface_decl != original_iface_decl)) | 
|  | { | 
|  | original_decl = complete_iface_decl; | 
|  | original_ctx = &complete_iface_decl->getASTContext(); | 
|  |  | 
|  | m_ast_importer_sp->SetDeclOrigin(context_decl, original_iface_decl); | 
|  | } | 
|  | } | 
|  |  | 
|  | if (TagDecl *original_tag_decl = dyn_cast<TagDecl>(original_decl)) | 
|  | { | 
|  | ExternalASTSource *external_source = original_ctx->getExternalSource(); | 
|  |  | 
|  | if (external_source) | 
|  | external_source->CompleteType (original_tag_decl); | 
|  | } | 
|  |  | 
|  | const DeclContext *original_decl_context = dyn_cast<DeclContext>(original_decl); | 
|  |  | 
|  | if (!original_decl_context) | 
|  | return; | 
|  |  | 
|  | for (TagDecl::decl_iterator iter = original_decl_context->decls_begin(); | 
|  | iter != original_decl_context->decls_end(); | 
|  | ++iter) | 
|  | { | 
|  | Decl *decl = *iter; | 
|  |  | 
|  | if (predicate(decl->getKind())) | 
|  | { | 
|  | if (log) | 
|  | { | 
|  | ASTDumper ast_dumper(decl); | 
|  | if (const NamedDecl *context_named_decl = dyn_cast<NamedDecl>(context_decl)) | 
|  | log->Printf("  FELD[%d] Adding [to %sDecl %s] lexical %sDecl %s", current_id, context_named_decl->getDeclKindName(), context_named_decl->getNameAsString().c_str(), decl->getDeclKindName(), ast_dumper.GetCString()); | 
|  | else | 
|  | log->Printf("  FELD[%d] Adding lexical %sDecl %s", current_id, decl->getDeclKindName(), ast_dumper.GetCString()); | 
|  | } | 
|  |  | 
|  | Decl *copied_decl = m_ast_importer_sp->CopyDecl(m_ast_context, original_ctx, decl); | 
|  |  | 
|  | if (!copied_decl) | 
|  | continue; | 
|  |  | 
|  | if (FieldDecl *copied_field = dyn_cast<FieldDecl>(copied_decl)) | 
|  | { | 
|  | QualType copied_field_type = copied_field->getType(); | 
|  |  | 
|  | m_ast_importer_sp->RequireCompleteType(copied_field_type); | 
|  | } | 
|  |  | 
|  | DeclContext *decl_context_non_const = const_cast<DeclContext *>(decl_context); | 
|  |  | 
|  | if (copied_decl->getDeclContext() != decl_context) | 
|  | { | 
|  | if (copied_decl->getDeclContext()->containsDecl(copied_decl)) | 
|  | copied_decl->getDeclContext()->removeDecl(copied_decl); | 
|  | copied_decl->setDeclContext(decl_context_non_const); | 
|  | } | 
|  |  | 
|  | if (!decl_context_non_const->containsDecl(copied_decl)) | 
|  | decl_context_non_const->addDeclInternal(copied_decl); | 
|  | } | 
|  | } | 
|  |  | 
|  | return; | 
|  | } | 
|  |  | 
|  | void | 
|  | ClangASTSource::FindExternalVisibleDecls (NameSearchContext &context) | 
|  | { | 
|  | assert (m_ast_context); | 
|  |  | 
|  | ClangASTMetrics::RegisterVisibleQuery(); | 
|  |  | 
|  | const ConstString name(context.m_decl_name.getAsString().c_str()); | 
|  |  | 
|  | Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS)); | 
|  |  | 
|  | static unsigned int invocation_id = 0; | 
|  | unsigned int current_id = invocation_id++; | 
|  |  | 
|  | if (log) | 
|  | { | 
|  | if (!context.m_decl_context) | 
|  | log->Printf("ClangASTSource::FindExternalVisibleDecls[%u] on (ASTContext*)%p for '%s' in a NULL DeclContext", | 
|  | current_id, static_cast<void*>(m_ast_context), | 
|  | name.GetCString()); | 
|  | else if (const NamedDecl *context_named_decl = dyn_cast<NamedDecl>(context.m_decl_context)) | 
|  | log->Printf("ClangASTSource::FindExternalVisibleDecls[%u] on (ASTContext*)%p for '%s' in '%s'", | 
|  | current_id, static_cast<void*>(m_ast_context), | 
|  | name.GetCString(), | 
|  | context_named_decl->getNameAsString().c_str()); | 
|  | else | 
|  | log->Printf("ClangASTSource::FindExternalVisibleDecls[%u] on (ASTContext*)%p for '%s' in a '%s'", | 
|  | current_id, static_cast<void*>(m_ast_context), | 
|  | name.GetCString(), | 
|  | context.m_decl_context->getDeclKindName()); | 
|  | } | 
|  |  | 
|  | context.m_namespace_map.reset(new ClangASTImporter::NamespaceMap); | 
|  |  | 
|  | if (const NamespaceDecl *namespace_context = dyn_cast<NamespaceDecl>(context.m_decl_context)) | 
|  | { | 
|  | ClangASTImporter::NamespaceMapSP namespace_map = m_ast_importer_sp->GetNamespaceMap(namespace_context); | 
|  |  | 
|  | if (log && log->GetVerbose()) | 
|  | log->Printf("  CAS::FEVD[%u] Inspecting namespace map %p (%d entries)", | 
|  | current_id, static_cast<void*>(namespace_map.get()), | 
|  | static_cast<int>(namespace_map->size())); | 
|  |  | 
|  | if (!namespace_map) | 
|  | return; | 
|  |  | 
|  | for (ClangASTImporter::NamespaceMap::iterator i = namespace_map->begin(), e = namespace_map->end(); | 
|  | i != e; | 
|  | ++i) | 
|  | { | 
|  | if (log) | 
|  | log->Printf("  CAS::FEVD[%u] Searching namespace %s in module %s", | 
|  | current_id, | 
|  | i->second.GetName().AsCString(), | 
|  | i->first->GetFileSpec().GetFilename().GetCString()); | 
|  |  | 
|  | FindExternalVisibleDecls(context, | 
|  | i->first, | 
|  | i->second, | 
|  | current_id); | 
|  | } | 
|  | } | 
|  | else if (isa<ObjCInterfaceDecl>(context.m_decl_context)) | 
|  | { | 
|  | FindObjCPropertyAndIvarDecls(context); | 
|  | } | 
|  | else if (!isa<TranslationUnitDecl>(context.m_decl_context)) | 
|  | { | 
|  | // we shouldn't be getting FindExternalVisibleDecls calls for these | 
|  | return; | 
|  | } | 
|  | else | 
|  | { | 
|  | CompilerDeclContext namespace_decl; | 
|  |  | 
|  | if (log) | 
|  | log->Printf("  CAS::FEVD[%u] Searching the root namespace", current_id); | 
|  |  | 
|  | FindExternalVisibleDecls(context, | 
|  | lldb::ModuleSP(), | 
|  | namespace_decl, | 
|  | current_id); | 
|  | } | 
|  |  | 
|  | if (!context.m_namespace_map->empty()) | 
|  | { | 
|  | if (log && log->GetVerbose()) | 
|  | log->Printf("  CAS::FEVD[%u] Registering namespace map %p (%d entries)", | 
|  | current_id, | 
|  | static_cast<void*>(context.m_namespace_map.get()), | 
|  | static_cast<int>(context.m_namespace_map->size())); | 
|  |  | 
|  | NamespaceDecl *clang_namespace_decl = AddNamespace(context, context.m_namespace_map); | 
|  |  | 
|  | if (clang_namespace_decl) | 
|  | clang_namespace_decl->setHasExternalVisibleStorage(); | 
|  | } | 
|  | } | 
|  |  | 
|  | void | 
|  | ClangASTSource::FindExternalVisibleDecls (NameSearchContext &context, | 
|  | lldb::ModuleSP module_sp, | 
|  | CompilerDeclContext &namespace_decl, | 
|  | unsigned int current_id) | 
|  | { | 
|  | assert (m_ast_context); | 
|  |  | 
|  | Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS)); | 
|  |  | 
|  | SymbolContextList sc_list; | 
|  |  | 
|  | const ConstString name(context.m_decl_name.getAsString().c_str()); | 
|  |  | 
|  | const char *name_unique_cstr = name.GetCString(); | 
|  |  | 
|  | static ConstString id_name("id"); | 
|  | static ConstString Class_name("Class"); | 
|  |  | 
|  | if (name == id_name || name == Class_name) | 
|  | return; | 
|  |  | 
|  | if (name_unique_cstr == NULL) | 
|  | return; | 
|  |  | 
|  | // The ClangASTSource is not responsible for finding $-names. | 
|  | if (name_unique_cstr[0] == '$') | 
|  | return; | 
|  |  | 
|  | if (module_sp && namespace_decl) | 
|  | { | 
|  | CompilerDeclContext found_namespace_decl; | 
|  |  | 
|  | SymbolVendor *symbol_vendor = module_sp->GetSymbolVendor(); | 
|  |  | 
|  | if (symbol_vendor) | 
|  | { | 
|  | SymbolContext null_sc; | 
|  |  | 
|  | found_namespace_decl = symbol_vendor->FindNamespace(null_sc, name, &namespace_decl); | 
|  |  | 
|  | if (found_namespace_decl) | 
|  | { | 
|  | context.m_namespace_map->push_back(std::pair<lldb::ModuleSP, CompilerDeclContext>(module_sp, found_namespace_decl)); | 
|  |  | 
|  | if (log) | 
|  | log->Printf("  CAS::FEVD[%u] Found namespace %s in module %s", | 
|  | current_id, | 
|  | name.GetCString(), | 
|  | module_sp->GetFileSpec().GetFilename().GetCString()); | 
|  | } | 
|  | } | 
|  | } | 
|  | else | 
|  | { | 
|  | const ModuleList &target_images = m_target->GetImages(); | 
|  | Mutex::Locker modules_locker (target_images.GetMutex()); | 
|  |  | 
|  | for (size_t i = 0, e = target_images.GetSize(); i < e; ++i) | 
|  | { | 
|  | lldb::ModuleSP image = target_images.GetModuleAtIndexUnlocked(i); | 
|  |  | 
|  | if (!image) | 
|  | continue; | 
|  |  | 
|  | CompilerDeclContext found_namespace_decl; | 
|  |  | 
|  | SymbolVendor *symbol_vendor = image->GetSymbolVendor(); | 
|  |  | 
|  | if (!symbol_vendor) | 
|  | continue; | 
|  |  | 
|  | SymbolContext null_sc; | 
|  |  | 
|  | found_namespace_decl = symbol_vendor->FindNamespace(null_sc, name, &namespace_decl); | 
|  |  | 
|  | if (found_namespace_decl) | 
|  | { | 
|  | context.m_namespace_map->push_back(std::pair<lldb::ModuleSP, CompilerDeclContext>(image, found_namespace_decl)); | 
|  |  | 
|  | if (log) | 
|  | log->Printf("  CAS::FEVD[%u] Found namespace %s in module %s", | 
|  | current_id, | 
|  | name.GetCString(), | 
|  | image->GetFileSpec().GetFilename().GetCString()); | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | do | 
|  | { | 
|  | TypeList types; | 
|  | SymbolContext null_sc; | 
|  | const bool exact_match = false; | 
|  | llvm::DenseSet<lldb_private::SymbolFile *> searched_symbol_files; | 
|  | if (module_sp && namespace_decl) | 
|  | module_sp->FindTypesInNamespace(null_sc, name, &namespace_decl, 1, types); | 
|  | else | 
|  | m_target->GetImages().FindTypes(null_sc, name, exact_match, 1, searched_symbol_files, types); | 
|  |  | 
|  | bool found_a_type = false; | 
|  |  | 
|  | if (size_t num_types = types.GetSize()) | 
|  | { | 
|  | for (size_t ti = 0; ti < num_types; ++ti) | 
|  | { | 
|  | lldb::TypeSP type_sp = types.GetTypeAtIndex(ti); | 
|  |  | 
|  | if (log) | 
|  | { | 
|  | const char *name_string = type_sp->GetName().GetCString(); | 
|  |  | 
|  | log->Printf("  CAS::FEVD[%u] Matching type found for \"%s\": %s", | 
|  | current_id, | 
|  | name.GetCString(), | 
|  | (name_string ? name_string : "<anonymous>")); | 
|  | } | 
|  |  | 
|  | CompilerType full_type = type_sp->GetFullCompilerType(); | 
|  |  | 
|  | CompilerType copied_clang_type (GuardedCopyType(full_type)); | 
|  |  | 
|  | if (!copied_clang_type) | 
|  | { | 
|  | if (log) | 
|  | log->Printf("  CAS::FEVD[%u] - Couldn't export a type", | 
|  | current_id); | 
|  |  | 
|  | continue; | 
|  | } | 
|  |  | 
|  | context.AddTypeDecl(copied_clang_type); | 
|  |  | 
|  | found_a_type = true; | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | if (!found_a_type) | 
|  | { | 
|  | // Try the modules next. | 
|  |  | 
|  | do | 
|  | { | 
|  | if (ClangModulesDeclVendor *modules_decl_vendor = m_target->GetClangModulesDeclVendor()) | 
|  | { | 
|  | bool append = false; | 
|  | uint32_t max_matches = 1; | 
|  | std::vector <clang::NamedDecl *> decls; | 
|  |  | 
|  | if (!modules_decl_vendor->FindDecls(name, | 
|  | append, | 
|  | max_matches, | 
|  | decls)) | 
|  | break; | 
|  |  | 
|  | if (log) | 
|  | { | 
|  | log->Printf("  CAS::FEVD[%u] Matching entity found for \"%s\" in the modules", | 
|  | current_id, | 
|  | name.GetCString()); | 
|  | } | 
|  |  | 
|  | clang::NamedDecl *const decl_from_modules = decls[0]; | 
|  |  | 
|  | if (llvm::isa<clang::TypeDecl>(decl_from_modules) || | 
|  | llvm::isa<clang::ObjCContainerDecl>(decl_from_modules) || | 
|  | llvm::isa<clang::EnumConstantDecl>(decl_from_modules)) | 
|  | { | 
|  | clang::Decl *copied_decl = m_ast_importer_sp->CopyDecl(m_ast_context, &decl_from_modules->getASTContext(), decl_from_modules); | 
|  | clang::NamedDecl *copied_named_decl = copied_decl ? dyn_cast<clang::NamedDecl>(copied_decl) : nullptr; | 
|  |  | 
|  | if (!copied_named_decl) | 
|  | { | 
|  | if (log) | 
|  | log->Printf("  CAS::FEVD[%u] - Couldn't export a type from the modules", | 
|  | current_id); | 
|  |  | 
|  | break; | 
|  | } | 
|  |  | 
|  | context.AddNamedDecl(copied_named_decl); | 
|  |  | 
|  | found_a_type = true; | 
|  | } | 
|  | } | 
|  | } while (0); | 
|  | } | 
|  |  | 
|  | if (!found_a_type) | 
|  | { | 
|  | do | 
|  | { | 
|  | // Couldn't find any types elsewhere.  Try the Objective-C runtime if one exists. | 
|  |  | 
|  | lldb::ProcessSP process(m_target->GetProcessSP()); | 
|  |  | 
|  | if (!process) | 
|  | break; | 
|  |  | 
|  | ObjCLanguageRuntime *language_runtime(process->GetObjCLanguageRuntime()); | 
|  |  | 
|  | if (!language_runtime) | 
|  | break; | 
|  |  | 
|  | DeclVendor *decl_vendor = language_runtime->GetDeclVendor(); | 
|  |  | 
|  | if (!decl_vendor) | 
|  | break; | 
|  |  | 
|  | bool append = false; | 
|  | uint32_t max_matches = 1; | 
|  | std::vector <clang::NamedDecl *> decls; | 
|  |  | 
|  | if (!decl_vendor->FindDecls(name, | 
|  | append, | 
|  | max_matches, | 
|  | decls)) | 
|  | break; | 
|  |  | 
|  | if (log) | 
|  | { | 
|  | log->Printf("  CAS::FEVD[%u] Matching type found for \"%s\" in the runtime", | 
|  | current_id, | 
|  | name.GetCString()); | 
|  | } | 
|  |  | 
|  | clang::Decl *copied_decl = m_ast_importer_sp->CopyDecl(m_ast_context, &decls[0]->getASTContext(), decls[0]); | 
|  | clang::NamedDecl *copied_named_decl = copied_decl ? dyn_cast<clang::NamedDecl>(copied_decl) : nullptr; | 
|  |  | 
|  | if (!copied_named_decl) | 
|  | { | 
|  | if (log) | 
|  | log->Printf("  CAS::FEVD[%u] - Couldn't export a type from the runtime", | 
|  | current_id); | 
|  |  | 
|  | break; | 
|  | } | 
|  |  | 
|  | context.AddNamedDecl(copied_named_decl); | 
|  | } | 
|  | while(0); | 
|  | } | 
|  |  | 
|  | } while(0); | 
|  | } | 
|  |  | 
|  | template <class D> class TaggedASTDecl { | 
|  | public: | 
|  | TaggedASTDecl() : decl(NULL) { } | 
|  | TaggedASTDecl(D *_decl) : decl(_decl) { } | 
|  | bool IsValid() const { return (decl != NULL); } | 
|  | bool IsInvalid() const { return !IsValid(); } | 
|  | D *operator->() const { return decl; } | 
|  | D *decl; | 
|  | }; | 
|  |  | 
|  | template <class D2, template <class D> class TD, class D1> | 
|  | TD<D2> | 
|  | DynCast(TD<D1> source) | 
|  | { | 
|  | return TD<D2> (dyn_cast<D2>(source.decl)); | 
|  | } | 
|  |  | 
|  | template <class D = Decl> class DeclFromParser; | 
|  | template <class D = Decl> class DeclFromUser; | 
|  |  | 
|  | template <class D> class DeclFromParser : public TaggedASTDecl<D> { | 
|  | public: | 
|  | DeclFromParser() : TaggedASTDecl<D>() { } | 
|  | DeclFromParser(D *_decl) : TaggedASTDecl<D>(_decl) { } | 
|  |  | 
|  | DeclFromUser<D> GetOrigin(ClangASTImporter *importer); | 
|  | }; | 
|  |  | 
|  | template <class D> class DeclFromUser : public TaggedASTDecl<D> { | 
|  | public: | 
|  | DeclFromUser() : TaggedASTDecl<D>() { } | 
|  | DeclFromUser(D *_decl) : TaggedASTDecl<D>(_decl) { } | 
|  |  | 
|  | DeclFromParser<D> Import(ClangASTImporter *importer, ASTContext &dest_ctx); | 
|  | }; | 
|  |  | 
|  | template <class D> | 
|  | DeclFromUser<D> | 
|  | DeclFromParser<D>::GetOrigin(ClangASTImporter *importer) | 
|  | { | 
|  | DeclFromUser <> origin_decl; | 
|  | importer->ResolveDeclOrigin(this->decl, &origin_decl.decl, NULL); | 
|  | if (origin_decl.IsInvalid()) | 
|  | return DeclFromUser<D>(); | 
|  | return DeclFromUser<D>(dyn_cast<D>(origin_decl.decl)); | 
|  | } | 
|  |  | 
|  | template <class D> | 
|  | DeclFromParser<D> | 
|  | DeclFromUser<D>::Import(ClangASTImporter *importer, ASTContext &dest_ctx) | 
|  | { | 
|  | DeclFromParser <> parser_generic_decl(importer->CopyDecl(&dest_ctx, &this->decl->getASTContext(), this->decl)); | 
|  | if (parser_generic_decl.IsInvalid()) | 
|  | return DeclFromParser<D>(); | 
|  | return DeclFromParser<D>(dyn_cast<D>(parser_generic_decl.decl)); | 
|  | } | 
|  |  | 
|  | static bool | 
|  | FindObjCMethodDeclsWithOrigin (unsigned int current_id, | 
|  | NameSearchContext &context, | 
|  | ObjCInterfaceDecl *original_interface_decl, | 
|  | clang::ASTContext *ast_context, | 
|  | ClangASTImporter *ast_importer, | 
|  | const char *log_info) | 
|  | { | 
|  | const DeclarationName &decl_name(context.m_decl_name); | 
|  | clang::ASTContext *original_ctx = &original_interface_decl->getASTContext(); | 
|  |  | 
|  | Selector original_selector; | 
|  |  | 
|  | if (decl_name.isObjCZeroArgSelector()) | 
|  | { | 
|  | IdentifierInfo *ident = &original_ctx->Idents.get(decl_name.getAsString()); | 
|  | original_selector = original_ctx->Selectors.getSelector(0, &ident); | 
|  | } | 
|  | else if (decl_name.isObjCOneArgSelector()) | 
|  | { | 
|  | const std::string &decl_name_string = decl_name.getAsString(); | 
|  | std::string decl_name_string_without_colon(decl_name_string.c_str(), decl_name_string.length() - 1); | 
|  | IdentifierInfo *ident = &original_ctx->Idents.get(decl_name_string_without_colon.c_str()); | 
|  | original_selector = original_ctx->Selectors.getSelector(1, &ident); | 
|  | } | 
|  | else | 
|  | { | 
|  | SmallVector<IdentifierInfo *, 4> idents; | 
|  |  | 
|  | clang::Selector sel = decl_name.getObjCSelector(); | 
|  |  | 
|  | unsigned num_args = sel.getNumArgs(); | 
|  |  | 
|  | for (unsigned i = 0; | 
|  | i != num_args; | 
|  | ++i) | 
|  | { | 
|  | idents.push_back(&original_ctx->Idents.get(sel.getNameForSlot(i))); | 
|  | } | 
|  |  | 
|  | original_selector = original_ctx->Selectors.getSelector(num_args, idents.data()); | 
|  | } | 
|  |  | 
|  | DeclarationName original_decl_name(original_selector); | 
|  |  | 
|  | llvm::SmallVector<NamedDecl *, 1> methods; | 
|  |  | 
|  | ClangASTContext::GetCompleteDecl(original_ctx, original_interface_decl); | 
|  |  | 
|  | if (ObjCMethodDecl *instance_method_decl = original_interface_decl->lookupInstanceMethod(original_selector)) | 
|  | { | 
|  | methods.push_back(instance_method_decl); | 
|  | } | 
|  | else if (ObjCMethodDecl *class_method_decl = original_interface_decl->lookupClassMethod(original_selector)) | 
|  | { | 
|  | methods.push_back(class_method_decl); | 
|  | } | 
|  |  | 
|  | if (methods.empty()) | 
|  | { | 
|  | return false; | 
|  | } | 
|  |  | 
|  | for (NamedDecl *named_decl : methods) | 
|  | { | 
|  | if (!named_decl) | 
|  | continue; | 
|  |  | 
|  | ObjCMethodDecl *result_method = dyn_cast<ObjCMethodDecl>(named_decl); | 
|  |  | 
|  | if (!result_method) | 
|  | continue; | 
|  |  | 
|  | Decl *copied_decl = ast_importer->CopyDecl(ast_context, &result_method->getASTContext(), result_method); | 
|  |  | 
|  | if (!copied_decl) | 
|  | continue; | 
|  |  | 
|  | ObjCMethodDecl *copied_method_decl = dyn_cast<ObjCMethodDecl>(copied_decl); | 
|  |  | 
|  | if (!copied_method_decl) | 
|  | continue; | 
|  |  | 
|  | Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS)); | 
|  |  | 
|  | if (log) | 
|  | { | 
|  | ASTDumper dumper((Decl*)copied_method_decl); | 
|  | log->Printf("  CAS::FOMD[%d] found (%s) %s", current_id, log_info, dumper.GetCString()); | 
|  | } | 
|  |  | 
|  | context.AddNamedDecl(copied_method_decl); | 
|  | } | 
|  |  | 
|  | return true; | 
|  | } | 
|  |  | 
|  | void | 
|  | ClangASTSource::FindObjCMethodDecls (NameSearchContext &context) | 
|  | { | 
|  | Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS)); | 
|  |  | 
|  | static unsigned int invocation_id = 0; | 
|  | unsigned int current_id = invocation_id++; | 
|  |  | 
|  | const DeclarationName &decl_name(context.m_decl_name); | 
|  | const DeclContext *decl_ctx(context.m_decl_context); | 
|  |  | 
|  | const ObjCInterfaceDecl *interface_decl = dyn_cast<ObjCInterfaceDecl>(decl_ctx); | 
|  |  | 
|  | if (!interface_decl) | 
|  | return; | 
|  |  | 
|  | do | 
|  | { | 
|  | Decl *original_decl = NULL; | 
|  | ASTContext *original_ctx = NULL; | 
|  |  | 
|  | m_ast_importer_sp->ResolveDeclOrigin(interface_decl, &original_decl, &original_ctx); | 
|  |  | 
|  | if (!original_decl) | 
|  | break; | 
|  |  | 
|  | ObjCInterfaceDecl *original_interface_decl = dyn_cast<ObjCInterfaceDecl>(original_decl); | 
|  |  | 
|  | if (FindObjCMethodDeclsWithOrigin(current_id, | 
|  | context, | 
|  | original_interface_decl, | 
|  | m_ast_context, | 
|  | m_ast_importer_sp.get(), | 
|  | "at origin")) | 
|  | return; // found it, no need to look any further | 
|  | } while (0); | 
|  |  | 
|  | StreamString ss; | 
|  |  | 
|  | if (decl_name.isObjCZeroArgSelector()) | 
|  | { | 
|  | ss.Printf("%s", decl_name.getAsString().c_str()); | 
|  | } | 
|  | else if (decl_name.isObjCOneArgSelector()) | 
|  | { | 
|  | ss.Printf("%s", decl_name.getAsString().c_str()); | 
|  | } | 
|  | else | 
|  | { | 
|  | clang::Selector sel = decl_name.getObjCSelector(); | 
|  |  | 
|  | for (unsigned i = 0, e = sel.getNumArgs(); | 
|  | i != e; | 
|  | ++i) | 
|  | { | 
|  | llvm::StringRef r = sel.getNameForSlot(i); | 
|  | ss.Printf("%s:", r.str().c_str()); | 
|  | } | 
|  | } | 
|  | ss.Flush(); | 
|  |  | 
|  | if (strstr(ss.GetData(), "$__lldb")) | 
|  | return; // we don't need any results | 
|  |  | 
|  | ConstString selector_name(ss.GetData()); | 
|  |  | 
|  | if (log) | 
|  | log->Printf("ClangASTSource::FindObjCMethodDecls[%d] on (ASTContext*)%p for selector [%s %s]", | 
|  | current_id, static_cast<void*>(m_ast_context), | 
|  | interface_decl->getNameAsString().c_str(), | 
|  | selector_name.AsCString()); | 
|  | SymbolContextList sc_list; | 
|  |  | 
|  | const bool include_symbols = false; | 
|  | const bool include_inlines = false; | 
|  | const bool append = false; | 
|  |  | 
|  | std::string interface_name = interface_decl->getNameAsString(); | 
|  |  | 
|  | do | 
|  | { | 
|  | StreamString ms; | 
|  | ms.Printf("-[%s %s]", interface_name.c_str(), selector_name.AsCString()); | 
|  | ms.Flush(); | 
|  | ConstString instance_method_name(ms.GetData()); | 
|  |  | 
|  | m_target->GetImages().FindFunctions(instance_method_name, lldb::eFunctionNameTypeFull, include_symbols, include_inlines, append, sc_list); | 
|  |  | 
|  | if (sc_list.GetSize()) | 
|  | break; | 
|  |  | 
|  | ms.Clear(); | 
|  | ms.Printf("+[%s %s]", interface_name.c_str(), selector_name.AsCString()); | 
|  | ms.Flush(); | 
|  | ConstString class_method_name(ms.GetData()); | 
|  |  | 
|  | m_target->GetImages().FindFunctions(class_method_name, lldb::eFunctionNameTypeFull, include_symbols, include_inlines, append, sc_list); | 
|  |  | 
|  | if (sc_list.GetSize()) | 
|  | break; | 
|  |  | 
|  | // Fall back and check for methods in categories.  If we find methods this way, we need to check that they're actually in | 
|  | // categories on the desired class. | 
|  |  | 
|  | SymbolContextList candidate_sc_list; | 
|  |  | 
|  | m_target->GetImages().FindFunctions(selector_name, lldb::eFunctionNameTypeSelector, include_symbols, include_inlines, append, candidate_sc_list); | 
|  |  | 
|  | for (uint32_t ci = 0, ce = candidate_sc_list.GetSize(); | 
|  | ci != ce; | 
|  | ++ci) | 
|  | { | 
|  | SymbolContext candidate_sc; | 
|  |  | 
|  | if (!candidate_sc_list.GetContextAtIndex(ci, candidate_sc)) | 
|  | continue; | 
|  |  | 
|  | if (!candidate_sc.function) | 
|  | continue; | 
|  |  | 
|  | const char *candidate_name = candidate_sc.function->GetName().AsCString(); | 
|  |  | 
|  | const char *cursor = candidate_name; | 
|  |  | 
|  | if (*cursor != '+' && *cursor != '-') | 
|  | continue; | 
|  |  | 
|  | ++cursor; | 
|  |  | 
|  | if (*cursor != '[') | 
|  | continue; | 
|  |  | 
|  | ++cursor; | 
|  |  | 
|  | size_t interface_len = interface_name.length(); | 
|  |  | 
|  | if (strncmp(cursor, interface_name.c_str(), interface_len)) | 
|  | continue; | 
|  |  | 
|  | cursor += interface_len; | 
|  |  | 
|  | if (*cursor == ' ' || *cursor == '(') | 
|  | sc_list.Append(candidate_sc); | 
|  | } | 
|  | } | 
|  | while (0); | 
|  |  | 
|  | if (sc_list.GetSize()) | 
|  | { | 
|  | // We found a good function symbol.  Use that. | 
|  |  | 
|  | for (uint32_t i = 0, e = sc_list.GetSize(); | 
|  | i != e; | 
|  | ++i) | 
|  | { | 
|  | SymbolContext sc; | 
|  |  | 
|  | if (!sc_list.GetContextAtIndex(i, sc)) | 
|  | continue; | 
|  |  | 
|  | if (!sc.function) | 
|  | continue; | 
|  |  | 
|  | CompilerDeclContext function_decl_ctx = sc.function->GetDeclContext(); | 
|  | if (!function_decl_ctx) | 
|  | continue; | 
|  |  | 
|  | ObjCMethodDecl *method_decl = ClangASTContext::DeclContextGetAsObjCMethodDecl(function_decl_ctx); | 
|  |  | 
|  | if (!method_decl) | 
|  | continue; | 
|  |  | 
|  | ObjCInterfaceDecl *found_interface_decl = method_decl->getClassInterface(); | 
|  |  | 
|  | if (!found_interface_decl) | 
|  | continue; | 
|  |  | 
|  | if (found_interface_decl->getName() == interface_decl->getName()) | 
|  | { | 
|  | Decl *copied_decl = m_ast_importer_sp->CopyDecl(m_ast_context, &method_decl->getASTContext(), method_decl); | 
|  |  | 
|  | if (!copied_decl) | 
|  | continue; | 
|  |  | 
|  | ObjCMethodDecl *copied_method_decl = dyn_cast<ObjCMethodDecl>(copied_decl); | 
|  |  | 
|  | if (!copied_method_decl) | 
|  | continue; | 
|  |  | 
|  | if (log) | 
|  | { | 
|  | ASTDumper dumper((Decl*)copied_method_decl); | 
|  | log->Printf("  CAS::FOMD[%d] found (in symbols) %s", current_id, dumper.GetCString()); | 
|  | } | 
|  |  | 
|  | context.AddNamedDecl(copied_method_decl); | 
|  | } | 
|  | } | 
|  |  | 
|  | return; | 
|  | } | 
|  |  | 
|  | // Try the debug information. | 
|  |  | 
|  | do | 
|  | { | 
|  | ObjCInterfaceDecl *complete_interface_decl = GetCompleteObjCInterface(const_cast<ObjCInterfaceDecl*>(interface_decl)); | 
|  |  | 
|  | if (!complete_interface_decl) | 
|  | break; | 
|  |  | 
|  | // We found the complete interface.  The runtime never needs to be queried in this scenario. | 
|  |  | 
|  | DeclFromUser<const ObjCInterfaceDecl> complete_iface_decl(complete_interface_decl); | 
|  |  | 
|  | if (complete_interface_decl == interface_decl) | 
|  | break; // already checked this one | 
|  |  | 
|  | if (log) | 
|  | log->Printf("CAS::FOPD[%d] trying origin (ObjCInterfaceDecl*)%p/(ASTContext*)%p...", | 
|  | current_id, static_cast<void*>(complete_interface_decl), | 
|  | static_cast<void*>(&complete_iface_decl->getASTContext())); | 
|  |  | 
|  | FindObjCMethodDeclsWithOrigin(current_id, | 
|  | context, | 
|  | complete_interface_decl, | 
|  | m_ast_context, | 
|  | m_ast_importer_sp.get(), | 
|  | "in debug info"); | 
|  |  | 
|  | return; | 
|  | } | 
|  | while (0); | 
|  |  | 
|  | do | 
|  | { | 
|  | // Check the modules only if the debug information didn't have a complete interface. | 
|  |  | 
|  | if (ClangModulesDeclVendor *modules_decl_vendor = m_target->GetClangModulesDeclVendor()) | 
|  | { | 
|  | ConstString interface_name(interface_decl->getNameAsString().c_str()); | 
|  | bool append = false; | 
|  | uint32_t max_matches = 1; | 
|  | std::vector <clang::NamedDecl *> decls; | 
|  |  | 
|  | if (!modules_decl_vendor->FindDecls(interface_name, | 
|  | append, | 
|  | max_matches, | 
|  | decls)) | 
|  | break; | 
|  |  | 
|  | ObjCInterfaceDecl *interface_decl_from_modules = dyn_cast<ObjCInterfaceDecl>(decls[0]); | 
|  |  | 
|  | if (!interface_decl_from_modules) | 
|  | break; | 
|  |  | 
|  | if (FindObjCMethodDeclsWithOrigin(current_id, | 
|  | context, | 
|  | interface_decl_from_modules, | 
|  | m_ast_context, | 
|  | m_ast_importer_sp.get(), | 
|  | "in modules")) | 
|  | return; | 
|  | } | 
|  | } | 
|  | while (0); | 
|  |  | 
|  | do | 
|  | { | 
|  | // Check the runtime only if the debug information didn't have a complete interface and the modules don't get us anywhere. | 
|  |  | 
|  | lldb::ProcessSP process(m_target->GetProcessSP()); | 
|  |  | 
|  | if (!process) | 
|  | break; | 
|  |  | 
|  | ObjCLanguageRuntime *language_runtime(process->GetObjCLanguageRuntime()); | 
|  |  | 
|  | if (!language_runtime) | 
|  | break; | 
|  |  | 
|  | DeclVendor *decl_vendor = language_runtime->GetDeclVendor(); | 
|  |  | 
|  | if (!decl_vendor) | 
|  | break; | 
|  |  | 
|  | ConstString interface_name(interface_decl->getNameAsString().c_str()); | 
|  | bool append = false; | 
|  | uint32_t max_matches = 1; | 
|  | std::vector <clang::NamedDecl *> decls; | 
|  |  | 
|  | if (!decl_vendor->FindDecls(interface_name, | 
|  | append, | 
|  | max_matches, | 
|  | decls)) | 
|  | break; | 
|  |  | 
|  | ObjCInterfaceDecl *runtime_interface_decl = dyn_cast<ObjCInterfaceDecl>(decls[0]); | 
|  |  | 
|  | if (!runtime_interface_decl) | 
|  | break; | 
|  |  | 
|  | FindObjCMethodDeclsWithOrigin(current_id, | 
|  | context, | 
|  | runtime_interface_decl, | 
|  | m_ast_context, | 
|  | m_ast_importer_sp.get(), | 
|  | "in runtime"); | 
|  | } | 
|  | while(0); | 
|  | } | 
|  |  | 
|  | static bool | 
|  | FindObjCPropertyAndIvarDeclsWithOrigin (unsigned int current_id, | 
|  | NameSearchContext &context, | 
|  | clang::ASTContext &ast_context, | 
|  | ClangASTImporter *ast_importer, | 
|  | DeclFromUser<const ObjCInterfaceDecl> &origin_iface_decl) | 
|  | { | 
|  | Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS)); | 
|  |  | 
|  | if (origin_iface_decl.IsInvalid()) | 
|  | return false; | 
|  |  | 
|  | std::string name_str = context.m_decl_name.getAsString(); | 
|  | StringRef name(name_str.c_str()); | 
|  | IdentifierInfo &name_identifier(origin_iface_decl->getASTContext().Idents.get(name)); | 
|  |  | 
|  | DeclFromUser<ObjCPropertyDecl> origin_property_decl(origin_iface_decl->FindPropertyDeclaration(&name_identifier, ObjCPropertyQueryKind::OBJC_PR_query_instance)); | 
|  |  | 
|  | bool found = false; | 
|  |  | 
|  | if (origin_property_decl.IsValid()) | 
|  | { | 
|  | DeclFromParser<ObjCPropertyDecl> parser_property_decl(origin_property_decl.Import(ast_importer, ast_context)); | 
|  | if (parser_property_decl.IsValid()) | 
|  | { | 
|  | if (log) | 
|  | { | 
|  | ASTDumper dumper((Decl*)parser_property_decl.decl); | 
|  | log->Printf("  CAS::FOPD[%d] found %s", current_id, dumper.GetCString()); | 
|  | } | 
|  |  | 
|  | context.AddNamedDecl(parser_property_decl.decl); | 
|  | found = true; | 
|  | } | 
|  | } | 
|  |  | 
|  | DeclFromUser<ObjCIvarDecl> origin_ivar_decl(origin_iface_decl->getIvarDecl(&name_identifier)); | 
|  |  | 
|  | if (origin_ivar_decl.IsValid()) | 
|  | { | 
|  | DeclFromParser<ObjCIvarDecl> parser_ivar_decl(origin_ivar_decl.Import(ast_importer, ast_context)); | 
|  | if (parser_ivar_decl.IsValid()) | 
|  | { | 
|  | if (log) | 
|  | { | 
|  | ASTDumper dumper((Decl*)parser_ivar_decl.decl); | 
|  | log->Printf("  CAS::FOPD[%d] found %s", current_id, dumper.GetCString()); | 
|  | } | 
|  |  | 
|  | context.AddNamedDecl(parser_ivar_decl.decl); | 
|  | found = true; | 
|  | } | 
|  | } | 
|  |  | 
|  | return found; | 
|  | } | 
|  |  | 
|  | void | 
|  | ClangASTSource::FindObjCPropertyAndIvarDecls (NameSearchContext &context) | 
|  | { | 
|  | Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS)); | 
|  |  | 
|  | static unsigned int invocation_id = 0; | 
|  | unsigned int current_id = invocation_id++; | 
|  |  | 
|  | DeclFromParser<const ObjCInterfaceDecl> parser_iface_decl(cast<ObjCInterfaceDecl>(context.m_decl_context)); | 
|  | DeclFromUser<const ObjCInterfaceDecl> origin_iface_decl(parser_iface_decl.GetOrigin(m_ast_importer_sp.get())); | 
|  |  | 
|  | ConstString class_name(parser_iface_decl->getNameAsString().c_str()); | 
|  |  | 
|  | if (log) | 
|  | log->Printf("ClangASTSource::FindObjCPropertyAndIvarDecls[%d] on (ASTContext*)%p for '%s.%s'", | 
|  | current_id, static_cast<void*>(m_ast_context), | 
|  | parser_iface_decl->getNameAsString().c_str(), | 
|  | context.m_decl_name.getAsString().c_str()); | 
|  |  | 
|  | if (FindObjCPropertyAndIvarDeclsWithOrigin(current_id, | 
|  | context, | 
|  | *m_ast_context, | 
|  | m_ast_importer_sp.get(), | 
|  | origin_iface_decl)) | 
|  | return; | 
|  |  | 
|  | if (log) | 
|  | log->Printf("CAS::FOPD[%d] couldn't find the property on origin (ObjCInterfaceDecl*)%p/(ASTContext*)%p, searching elsewhere...", | 
|  | current_id, static_cast<const void*>(origin_iface_decl.decl), | 
|  | static_cast<void*>(&origin_iface_decl->getASTContext())); | 
|  |  | 
|  | SymbolContext null_sc; | 
|  | TypeList type_list; | 
|  |  | 
|  | do | 
|  | { | 
|  | ObjCInterfaceDecl *complete_interface_decl = GetCompleteObjCInterface(const_cast<ObjCInterfaceDecl*>(parser_iface_decl.decl)); | 
|  |  | 
|  | if (!complete_interface_decl) | 
|  | break; | 
|  |  | 
|  | // We found the complete interface.  The runtime never needs to be queried in this scenario. | 
|  |  | 
|  | DeclFromUser<const ObjCInterfaceDecl> complete_iface_decl(complete_interface_decl); | 
|  |  | 
|  | if (complete_iface_decl.decl == origin_iface_decl.decl) | 
|  | break; // already checked this one | 
|  |  | 
|  | if (log) | 
|  | log->Printf("CAS::FOPD[%d] trying origin (ObjCInterfaceDecl*)%p/(ASTContext*)%p...", | 
|  | current_id, | 
|  | static_cast<const void*>(complete_iface_decl.decl), | 
|  | static_cast<void*>(&complete_iface_decl->getASTContext())); | 
|  |  | 
|  | FindObjCPropertyAndIvarDeclsWithOrigin(current_id, | 
|  | context, | 
|  | *m_ast_context, | 
|  | m_ast_importer_sp.get(), | 
|  | complete_iface_decl); | 
|  |  | 
|  | return; | 
|  | } | 
|  | while(0); | 
|  |  | 
|  | do | 
|  | { | 
|  | // Check the modules only if the debug information didn't have a complete interface. | 
|  |  | 
|  | ClangModulesDeclVendor *modules_decl_vendor = m_target->GetClangModulesDeclVendor(); | 
|  |  | 
|  | if (!modules_decl_vendor) | 
|  | break; | 
|  |  | 
|  | bool append = false; | 
|  | uint32_t max_matches = 1; | 
|  | std::vector <clang::NamedDecl *> decls; | 
|  |  | 
|  | if (!modules_decl_vendor->FindDecls(class_name, | 
|  | append, | 
|  | max_matches, | 
|  | decls)) | 
|  | break; | 
|  |  | 
|  | DeclFromUser<const ObjCInterfaceDecl> interface_decl_from_modules(dyn_cast<ObjCInterfaceDecl>(decls[0])); | 
|  |  | 
|  | if (!interface_decl_from_modules.IsValid()) | 
|  | break; | 
|  |  | 
|  | if (log) | 
|  | log->Printf("CAS::FOPD[%d] trying module (ObjCInterfaceDecl*)%p/(ASTContext*)%p...", | 
|  | current_id, | 
|  | static_cast<const void*>(interface_decl_from_modules.decl), | 
|  | static_cast<void*>(&interface_decl_from_modules->getASTContext())); | 
|  |  | 
|  | if (FindObjCPropertyAndIvarDeclsWithOrigin(current_id, | 
|  | context, | 
|  | *m_ast_context, | 
|  | m_ast_importer_sp.get(), | 
|  | interface_decl_from_modules)) | 
|  | return; | 
|  | } | 
|  | while(0); | 
|  |  | 
|  | do | 
|  | { | 
|  | // Check the runtime only if the debug information didn't have a complete interface | 
|  | // and nothing was in the modules. | 
|  |  | 
|  | lldb::ProcessSP process(m_target->GetProcessSP()); | 
|  |  | 
|  | if (!process) | 
|  | return; | 
|  |  | 
|  | ObjCLanguageRuntime *language_runtime(process->GetObjCLanguageRuntime()); | 
|  |  | 
|  | if (!language_runtime) | 
|  | return; | 
|  |  | 
|  | DeclVendor *decl_vendor = language_runtime->GetDeclVendor(); | 
|  |  | 
|  | if (!decl_vendor) | 
|  | break; | 
|  |  | 
|  | bool append = false; | 
|  | uint32_t max_matches = 1; | 
|  | std::vector <clang::NamedDecl *> decls; | 
|  |  | 
|  | if (!decl_vendor->FindDecls(class_name, | 
|  | append, | 
|  | max_matches, | 
|  | decls)) | 
|  | break; | 
|  |  | 
|  | DeclFromUser<const ObjCInterfaceDecl> interface_decl_from_runtime(dyn_cast<ObjCInterfaceDecl>(decls[0])); | 
|  |  | 
|  | if (!interface_decl_from_runtime.IsValid()) | 
|  | break; | 
|  |  | 
|  | if (log) | 
|  | log->Printf("CAS::FOPD[%d] trying runtime (ObjCInterfaceDecl*)%p/(ASTContext*)%p...", | 
|  | current_id, | 
|  | static_cast<const void*>(interface_decl_from_runtime.decl), | 
|  | static_cast<void*>(&interface_decl_from_runtime->getASTContext())); | 
|  |  | 
|  | if (FindObjCPropertyAndIvarDeclsWithOrigin(current_id, | 
|  | context, | 
|  | *m_ast_context, | 
|  | m_ast_importer_sp.get(), | 
|  | interface_decl_from_runtime)) | 
|  | return; | 
|  | } | 
|  | while(0); | 
|  | } | 
|  |  | 
|  | typedef llvm::DenseMap<const FieldDecl *, uint64_t> FieldOffsetMap; | 
|  | typedef llvm::DenseMap<const CXXRecordDecl *, CharUnits> BaseOffsetMap; | 
|  |  | 
|  | template <class D, class O> | 
|  | static bool | 
|  | ImportOffsetMap(llvm::DenseMap<const D *, O> &destination_map, llvm::DenseMap<const D *, O> &source_map, | 
|  | ClangASTImporter *importer, ASTContext &dest_ctx) | 
|  | { | 
|  | // When importing fields into a new record, clang has a hard requirement that | 
|  | // fields be imported in field offset order.  Since they are stored in a DenseMap | 
|  | // with a pointer as the key type, this means we cannot simply iterate over the | 
|  | // map, as the order will be non-deterministic.  Instead we have to sort by the offset | 
|  | // and then insert in sorted order. | 
|  | typedef llvm::DenseMap<const D *, O> MapType; | 
|  | typedef typename MapType::value_type PairType; | 
|  | std::vector<PairType> sorted_items; | 
|  | sorted_items.reserve(source_map.size()); | 
|  | sorted_items.assign(source_map.begin(), source_map.end()); | 
|  | std::sort(sorted_items.begin(), sorted_items.end(), | 
|  | [](const PairType &lhs, const PairType &rhs) | 
|  | { | 
|  | return lhs.second < rhs.second; | 
|  | }); | 
|  |  | 
|  | for (const auto &item : sorted_items) | 
|  | { | 
|  | DeclFromUser<D> user_decl(const_cast<D *>(item.first)); | 
|  | DeclFromParser <D> parser_decl(user_decl.Import(importer, dest_ctx)); | 
|  | if (parser_decl.IsInvalid()) | 
|  | return false; | 
|  | destination_map.insert(std::pair<const D *, O>(parser_decl.decl, item.second)); | 
|  | } | 
|  |  | 
|  | return true; | 
|  | } | 
|  |  | 
|  | template <bool IsVirtual> | 
|  | bool | 
|  | ExtractBaseOffsets(const ASTRecordLayout &record_layout, DeclFromUser<const CXXRecordDecl> &record, | 
|  | BaseOffsetMap &base_offsets) | 
|  | { | 
|  | for (CXXRecordDecl::base_class_const_iterator bi = (IsVirtual ? record->vbases_begin() : record->bases_begin()), | 
|  | be = (IsVirtual ? record->vbases_end() : record->bases_end()); | 
|  | bi != be; ++bi) | 
|  | { | 
|  | if (!IsVirtual && bi->isVirtual()) | 
|  | continue; | 
|  |  | 
|  | const clang::Type *origin_base_type = bi->getType().getTypePtr(); | 
|  | const clang::RecordType *origin_base_record_type = origin_base_type->getAs<RecordType>(); | 
|  |  | 
|  | if (!origin_base_record_type) | 
|  | return false; | 
|  |  | 
|  | DeclFromUser <RecordDecl> origin_base_record(origin_base_record_type->getDecl()); | 
|  |  | 
|  | if (origin_base_record.IsInvalid()) | 
|  | return false; | 
|  |  | 
|  | DeclFromUser <CXXRecordDecl> origin_base_cxx_record(DynCast<CXXRecordDecl>(origin_base_record)); | 
|  |  | 
|  | if (origin_base_cxx_record.IsInvalid()) | 
|  | return false; | 
|  |  | 
|  | CharUnits base_offset; | 
|  |  | 
|  | if (IsVirtual) | 
|  | base_offset = record_layout.getVBaseClassOffset(origin_base_cxx_record.decl); | 
|  | else | 
|  | base_offset = record_layout.getBaseClassOffset(origin_base_cxx_record.decl); | 
|  |  | 
|  | base_offsets.insert(std::pair<const CXXRecordDecl *, CharUnits>(origin_base_cxx_record.decl, base_offset)); | 
|  | } | 
|  |  | 
|  | return true; | 
|  | } | 
|  |  | 
|  | bool | 
|  | ClangASTSource::layoutRecordType(const RecordDecl *record, uint64_t &size, uint64_t &alignment, | 
|  | FieldOffsetMap &field_offsets, BaseOffsetMap &base_offsets, | 
|  | BaseOffsetMap &virtual_base_offsets) | 
|  | { | 
|  | ClangASTMetrics::RegisterRecordLayout(); | 
|  |  | 
|  | static unsigned int invocation_id = 0; | 
|  | unsigned int current_id = invocation_id++; | 
|  |  | 
|  | Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS)); | 
|  |  | 
|  | if (log) | 
|  | log->Printf("LayoutRecordType[%u] on (ASTContext*)%p for (RecordDecl*)%p [name = '%s']", | 
|  | current_id, static_cast<void*>(m_ast_context), | 
|  | static_cast<const void*>(record), | 
|  | record->getNameAsString().c_str()); | 
|  |  | 
|  | DeclFromParser <const RecordDecl> parser_record(record); | 
|  | DeclFromUser <const RecordDecl> origin_record(parser_record.GetOrigin(m_ast_importer_sp.get())); | 
|  |  | 
|  | if (origin_record.IsInvalid()) | 
|  | return false; | 
|  |  | 
|  | FieldOffsetMap origin_field_offsets; | 
|  | BaseOffsetMap origin_base_offsets; | 
|  | BaseOffsetMap origin_virtual_base_offsets; | 
|  |  | 
|  | ClangASTContext::GetCompleteDecl(&origin_record->getASTContext(), const_cast<RecordDecl*>(origin_record.decl)); | 
|  |  | 
|  | clang::RecordDecl* definition = origin_record.decl->getDefinition(); | 
|  | if (!definition || !definition->isCompleteDefinition()) | 
|  | return false; | 
|  |  | 
|  | const ASTRecordLayout &record_layout(origin_record->getASTContext().getASTRecordLayout(origin_record.decl)); | 
|  |  | 
|  | int field_idx = 0, field_count = record_layout.getFieldCount(); | 
|  |  | 
|  | for (RecordDecl::field_iterator fi = origin_record->field_begin(), fe = origin_record->field_end(); fi != fe; ++fi) | 
|  | { | 
|  | if (field_idx >= field_count) | 
|  | return false; // Layout didn't go well.  Bail out. | 
|  |  | 
|  | uint64_t field_offset = record_layout.getFieldOffset(field_idx); | 
|  |  | 
|  | origin_field_offsets.insert(std::pair<const FieldDecl *, uint64_t>(*fi, field_offset)); | 
|  |  | 
|  | field_idx++; | 
|  | } | 
|  |  | 
|  | ASTContext &parser_ast_context(record->getASTContext()); | 
|  |  | 
|  | DeclFromUser <const CXXRecordDecl> origin_cxx_record(DynCast<const CXXRecordDecl>(origin_record)); | 
|  |  | 
|  | if (origin_cxx_record.IsValid()) | 
|  | { | 
|  | if (!ExtractBaseOffsets<false>(record_layout, origin_cxx_record, origin_base_offsets) || | 
|  | !ExtractBaseOffsets<true>(record_layout, origin_cxx_record, origin_virtual_base_offsets)) | 
|  | return false; | 
|  | } | 
|  |  | 
|  | if (!ImportOffsetMap(field_offsets, origin_field_offsets, m_ast_importer_sp.get(), parser_ast_context) || | 
|  | !ImportOffsetMap(base_offsets, origin_base_offsets, m_ast_importer_sp.get(), parser_ast_context) || | 
|  | !ImportOffsetMap(virtual_base_offsets, origin_virtual_base_offsets, m_ast_importer_sp.get(), parser_ast_context)) | 
|  | return false; | 
|  |  | 
|  | size = record_layout.getSize().getQuantity() * m_ast_context->getCharWidth(); | 
|  | alignment = record_layout.getAlignment().getQuantity() * m_ast_context->getCharWidth(); | 
|  |  | 
|  | if (log) | 
|  | { | 
|  | log->Printf("LRT[%u] returned:", current_id); | 
|  | log->Printf("LRT[%u]   Original = (RecordDecl*)%p", current_id, | 
|  | static_cast<const void*>(origin_record.decl)); | 
|  | log->Printf("LRT[%u]   Size = %" PRId64, current_id, size); | 
|  | log->Printf("LRT[%u]   Alignment = %" PRId64, current_id, alignment); | 
|  | log->Printf("LRT[%u]   Fields:", current_id); | 
|  | for (RecordDecl::field_iterator fi = record->field_begin(), fe = record->field_end(); | 
|  | fi != fe; | 
|  | ++fi) | 
|  | { | 
|  | log->Printf("LRT[%u]     (FieldDecl*)%p, Name = '%s', Offset = %" PRId64 " bits", current_id, | 
|  | static_cast<void *>(*fi), fi->getNameAsString().c_str(), field_offsets[*fi]); | 
|  | } | 
|  | DeclFromParser <const CXXRecordDecl> parser_cxx_record = DynCast<const CXXRecordDecl>(parser_record); | 
|  | if (parser_cxx_record.IsValid()) | 
|  | { | 
|  | log->Printf("LRT[%u]   Bases:", current_id); | 
|  | for (CXXRecordDecl::base_class_const_iterator bi = parser_cxx_record->bases_begin(), be = parser_cxx_record->bases_end(); | 
|  | bi != be; | 
|  | ++bi) | 
|  | { | 
|  | bool is_virtual = bi->isVirtual(); | 
|  |  | 
|  | QualType base_type = bi->getType(); | 
|  | const RecordType *base_record_type = base_type->getAs<RecordType>(); | 
|  | DeclFromParser <RecordDecl> base_record(base_record_type->getDecl()); | 
|  | DeclFromParser <CXXRecordDecl> base_cxx_record = DynCast<CXXRecordDecl>(base_record); | 
|  |  | 
|  | log->Printf("LRT[%u]     %s(CXXRecordDecl*)%p, Name = '%s', Offset = %" PRId64 " chars", current_id, | 
|  | (is_virtual ? "Virtual " : ""), static_cast<void *>(base_cxx_record.decl), | 
|  | base_cxx_record.decl->getNameAsString().c_str(), | 
|  | (is_virtual ? virtual_base_offsets[base_cxx_record.decl].getQuantity() | 
|  | : base_offsets[base_cxx_record.decl].getQuantity())); | 
|  | } | 
|  | } | 
|  | else | 
|  | { | 
|  | log->Printf("LRD[%u]   Not a CXXRecord, so no bases", current_id); | 
|  | } | 
|  | } | 
|  |  | 
|  | return true; | 
|  | } | 
|  |  | 
|  | void | 
|  | ClangASTSource::CompleteNamespaceMap (ClangASTImporter::NamespaceMapSP &namespace_map, | 
|  | const ConstString &name, | 
|  | ClangASTImporter::NamespaceMapSP &parent_map) const | 
|  | { | 
|  | static unsigned int invocation_id = 0; | 
|  | unsigned int current_id = invocation_id++; | 
|  |  | 
|  | Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS)); | 
|  |  | 
|  | if (log) | 
|  | { | 
|  | if (parent_map && parent_map->size()) | 
|  | log->Printf("CompleteNamespaceMap[%u] on (ASTContext*)%p Searching for namespace %s in namespace %s", | 
|  | current_id, static_cast<void*>(m_ast_context), | 
|  | name.GetCString(), | 
|  | parent_map->begin()->second.GetName().AsCString()); | 
|  | else | 
|  | log->Printf("CompleteNamespaceMap[%u] on (ASTContext*)%p Searching for namespace %s", | 
|  | current_id, static_cast<void*>(m_ast_context), | 
|  | name.GetCString()); | 
|  | } | 
|  |  | 
|  | if (parent_map) | 
|  | { | 
|  | for (ClangASTImporter::NamespaceMap::iterator i = parent_map->begin(), e = parent_map->end(); | 
|  | i != e; | 
|  | ++i) | 
|  | { | 
|  | CompilerDeclContext found_namespace_decl; | 
|  |  | 
|  | lldb::ModuleSP module_sp = i->first; | 
|  | CompilerDeclContext module_parent_namespace_decl = i->second; | 
|  |  | 
|  | SymbolVendor *symbol_vendor = module_sp->GetSymbolVendor(); | 
|  |  | 
|  | if (!symbol_vendor) | 
|  | continue; | 
|  |  | 
|  | SymbolContext null_sc; | 
|  |  | 
|  | found_namespace_decl = symbol_vendor->FindNamespace(null_sc, name, &module_parent_namespace_decl); | 
|  |  | 
|  | if (!found_namespace_decl) | 
|  | continue; | 
|  |  | 
|  | namespace_map->push_back(std::pair<lldb::ModuleSP, CompilerDeclContext>(module_sp, found_namespace_decl)); | 
|  |  | 
|  | if (log) | 
|  | log->Printf("  CMN[%u] Found namespace %s in module %s", | 
|  | current_id, | 
|  | name.GetCString(), | 
|  | module_sp->GetFileSpec().GetFilename().GetCString()); | 
|  | } | 
|  | } | 
|  | else | 
|  | { | 
|  | const ModuleList &target_images = m_target->GetImages(); | 
|  | Mutex::Locker modules_locker(target_images.GetMutex()); | 
|  |  | 
|  | CompilerDeclContext null_namespace_decl; | 
|  |  | 
|  | for (size_t i = 0, e = target_images.GetSize(); i < e; ++i) | 
|  | { | 
|  | lldb::ModuleSP image = target_images.GetModuleAtIndexUnlocked(i); | 
|  |  | 
|  | if (!image) | 
|  | continue; | 
|  |  | 
|  | CompilerDeclContext found_namespace_decl; | 
|  |  | 
|  | SymbolVendor *symbol_vendor = image->GetSymbolVendor(); | 
|  |  | 
|  | if (!symbol_vendor) | 
|  | continue; | 
|  |  | 
|  | SymbolContext null_sc; | 
|  |  | 
|  | found_namespace_decl = symbol_vendor->FindNamespace(null_sc, name, &null_namespace_decl); | 
|  |  | 
|  | if (!found_namespace_decl) | 
|  | continue; | 
|  |  | 
|  | namespace_map->push_back(std::pair<lldb::ModuleSP, CompilerDeclContext>(image, found_namespace_decl)); | 
|  |  | 
|  | if (log) | 
|  | log->Printf("  CMN[%u] Found namespace %s in module %s", | 
|  | current_id, | 
|  | name.GetCString(), | 
|  | image->GetFileSpec().GetFilename().GetCString()); | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | NamespaceDecl * | 
|  | ClangASTSource::AddNamespace (NameSearchContext &context, ClangASTImporter::NamespaceMapSP &namespace_decls) | 
|  | { | 
|  | if (!namespace_decls) | 
|  | return nullptr; | 
|  |  | 
|  | const CompilerDeclContext &namespace_decl = namespace_decls->begin()->second; | 
|  |  | 
|  | clang::ASTContext *src_ast = ClangASTContext::DeclContextGetClangASTContext(namespace_decl); | 
|  | if (!src_ast) | 
|  | return nullptr; | 
|  | clang::NamespaceDecl *src_namespace_decl = ClangASTContext::DeclContextGetAsNamespaceDecl(namespace_decl); | 
|  |  | 
|  | if (!src_namespace_decl) | 
|  | return nullptr; | 
|  |  | 
|  | Decl *copied_decl = m_ast_importer_sp->CopyDecl(m_ast_context, src_ast, src_namespace_decl); | 
|  |  | 
|  | if (!copied_decl) | 
|  | return nullptr; | 
|  |  | 
|  | NamespaceDecl *copied_namespace_decl = dyn_cast<NamespaceDecl>(copied_decl); | 
|  |  | 
|  | if (!copied_namespace_decl) | 
|  | return nullptr; | 
|  |  | 
|  | context.m_decls.push_back(copied_namespace_decl); | 
|  |  | 
|  | m_ast_importer_sp->RegisterNamespaceMap(copied_namespace_decl, namespace_decls); | 
|  |  | 
|  | return dyn_cast<NamespaceDecl>(copied_decl); | 
|  | } | 
|  |  | 
|  | CompilerType | 
|  | ClangASTSource::GuardedCopyType (const CompilerType &src_type) | 
|  | { | 
|  | ClangASTContext *src_ast = llvm::dyn_cast_or_null<ClangASTContext>(src_type.GetTypeSystem()); | 
|  | if (src_ast == nullptr) | 
|  | return CompilerType(); | 
|  |  | 
|  | ClangASTMetrics::RegisterLLDBImport(); | 
|  |  | 
|  | SetImportInProgress(true); | 
|  |  | 
|  | QualType copied_qual_type = m_ast_importer_sp->CopyType (m_ast_context, src_ast->getASTContext(), ClangASTContext::GetQualType(src_type)); | 
|  |  | 
|  | SetImportInProgress(false); | 
|  |  | 
|  | if (copied_qual_type.getAsOpaquePtr() && copied_qual_type->getCanonicalTypeInternal().isNull()) | 
|  | // this shouldn't happen, but we're hardening because the AST importer seems to be generating bad types | 
|  | // on occasion. | 
|  | return CompilerType(); | 
|  |  | 
|  | return CompilerType(m_ast_context, copied_qual_type); | 
|  | } | 
|  |  | 
|  | clang::NamedDecl * | 
|  | NameSearchContext::AddVarDecl(const CompilerType &type) | 
|  | { | 
|  | assert (type && "Type for variable must be valid!"); | 
|  |  | 
|  | if (!type.IsValid()) | 
|  | return NULL; | 
|  |  | 
|  | ClangASTContext* lldb_ast = llvm::dyn_cast<ClangASTContext>(type.GetTypeSystem()); | 
|  | if (!lldb_ast) | 
|  | return NULL; | 
|  |  | 
|  | IdentifierInfo *ii = m_decl_name.getAsIdentifierInfo(); | 
|  |  | 
|  | clang::ASTContext *ast = lldb_ast->getASTContext(); | 
|  |  | 
|  | clang::NamedDecl *Decl = VarDecl::Create(*ast, | 
|  | const_cast<DeclContext*>(m_decl_context), | 
|  | SourceLocation(), | 
|  | SourceLocation(), | 
|  | ii, | 
|  | ClangASTContext::GetQualType(type), | 
|  | 0, | 
|  | SC_Static); | 
|  | m_decls.push_back(Decl); | 
|  |  | 
|  | return Decl; | 
|  | } | 
|  |  | 
|  | clang::NamedDecl * | 
|  | NameSearchContext::AddFunDecl (const CompilerType &type, bool extern_c) | 
|  | { | 
|  | assert (type && "Type for variable must be valid!"); | 
|  |  | 
|  | if (!type.IsValid()) | 
|  | return NULL; | 
|  |  | 
|  | if (m_function_types.count(type)) | 
|  | return NULL; | 
|  |  | 
|  | ClangASTContext* lldb_ast = llvm::dyn_cast<ClangASTContext>(type.GetTypeSystem()); | 
|  | if (!lldb_ast) | 
|  | return NULL; | 
|  |  | 
|  | m_function_types.insert(type); | 
|  |  | 
|  | QualType qual_type (ClangASTContext::GetQualType(type)); | 
|  |  | 
|  | clang::ASTContext *ast = lldb_ast->getASTContext(); | 
|  |  | 
|  | const bool isInlineSpecified = false; | 
|  | const bool hasWrittenPrototype = true; | 
|  | const bool isConstexprSpecified = false; | 
|  |  | 
|  | clang::DeclContext *context = const_cast<DeclContext*>(m_decl_context); | 
|  |  | 
|  | if (extern_c) { | 
|  | context = LinkageSpecDecl::Create(*ast, | 
|  | context, | 
|  | SourceLocation(), | 
|  | SourceLocation(), | 
|  | clang::LinkageSpecDecl::LanguageIDs::lang_c, | 
|  | false); | 
|  | } | 
|  |  | 
|  | // Pass the identifier info for functions the decl_name is needed for operators | 
|  | clang::DeclarationName decl_name = m_decl_name.getNameKind() == DeclarationName::Identifier ? m_decl_name.getAsIdentifierInfo() : m_decl_name; | 
|  |  | 
|  | clang::FunctionDecl *func_decl = FunctionDecl::Create (*ast, | 
|  | context, | 
|  | SourceLocation(), | 
|  | SourceLocation(), | 
|  | decl_name, | 
|  | qual_type, | 
|  | NULL, | 
|  | SC_Extern, | 
|  | isInlineSpecified, | 
|  | hasWrittenPrototype, | 
|  | isConstexprSpecified); | 
|  |  | 
|  | // We have to do more than just synthesize the FunctionDecl.  We have to | 
|  | // synthesize ParmVarDecls for all of the FunctionDecl's arguments.  To do | 
|  | // this, we raid the function's FunctionProtoType for types. | 
|  |  | 
|  | const FunctionProtoType *func_proto_type = qual_type.getTypePtr()->getAs<FunctionProtoType>(); | 
|  |  | 
|  | if (func_proto_type) | 
|  | { | 
|  | unsigned NumArgs = func_proto_type->getNumParams(); | 
|  | unsigned ArgIndex; | 
|  |  | 
|  | SmallVector<ParmVarDecl *, 5> parm_var_decls; | 
|  |  | 
|  | for (ArgIndex = 0; ArgIndex < NumArgs; ++ArgIndex) | 
|  | { | 
|  | QualType arg_qual_type (func_proto_type->getParamType(ArgIndex)); | 
|  |  | 
|  | parm_var_decls.push_back(ParmVarDecl::Create (*ast, | 
|  | const_cast<DeclContext*>(context), | 
|  | SourceLocation(), | 
|  | SourceLocation(), | 
|  | NULL, | 
|  | arg_qual_type, | 
|  | NULL, | 
|  | SC_Static, | 
|  | NULL)); | 
|  | } | 
|  |  | 
|  | func_decl->setParams(ArrayRef<ParmVarDecl*>(parm_var_decls)); | 
|  | } | 
|  | else | 
|  | { | 
|  | Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS)); | 
|  |  | 
|  | if (log) | 
|  | log->Printf("Function type wasn't a FunctionProtoType"); | 
|  | } | 
|  |  | 
|  | m_decls.push_back(func_decl); | 
|  |  | 
|  | return func_decl; | 
|  | } | 
|  |  | 
|  | clang::NamedDecl * | 
|  | NameSearchContext::AddGenericFunDecl() | 
|  | { | 
|  | FunctionProtoType::ExtProtoInfo proto_info; | 
|  |  | 
|  | proto_info.Variadic = true; | 
|  |  | 
|  | QualType generic_function_type(m_ast_source.m_ast_context->getFunctionType (m_ast_source.m_ast_context->UnknownAnyTy,    // result | 
|  | ArrayRef<QualType>(),                                        // argument types | 
|  | proto_info)); | 
|  |  | 
|  | return AddFunDecl(CompilerType (m_ast_source.m_ast_context, generic_function_type), true); | 
|  | } | 
|  |  | 
|  | clang::NamedDecl * | 
|  | NameSearchContext::AddTypeDecl(const CompilerType &clang_type) | 
|  | { | 
|  | if (clang_type) | 
|  | { | 
|  | QualType qual_type = ClangASTContext::GetQualType(clang_type); | 
|  |  | 
|  | if (const TypedefType *typedef_type = llvm::dyn_cast<TypedefType>(qual_type)) | 
|  | { | 
|  | TypedefNameDecl *typedef_name_decl = typedef_type->getDecl(); | 
|  |  | 
|  | m_decls.push_back(typedef_name_decl); | 
|  |  | 
|  | return (NamedDecl*)typedef_name_decl; | 
|  | } | 
|  | else if (const TagType *tag_type = qual_type->getAs<TagType>()) | 
|  | { | 
|  | TagDecl *tag_decl = tag_type->getDecl(); | 
|  |  | 
|  | m_decls.push_back(tag_decl); | 
|  |  | 
|  | return tag_decl; | 
|  | } | 
|  | else if (const ObjCObjectType *objc_object_type = qual_type->getAs<ObjCObjectType>()) | 
|  | { | 
|  | ObjCInterfaceDecl *interface_decl = objc_object_type->getInterface(); | 
|  |  | 
|  | m_decls.push_back((NamedDecl*)interface_decl); | 
|  |  | 
|  | return (NamedDecl*)interface_decl; | 
|  | } | 
|  | } | 
|  | return NULL; | 
|  | } | 
|  |  | 
|  | void | 
|  | NameSearchContext::AddLookupResult (clang::DeclContextLookupResult result) | 
|  | { | 
|  | for (clang::NamedDecl *decl : result) | 
|  | m_decls.push_back (decl); | 
|  | } | 
|  |  | 
|  | void | 
|  | NameSearchContext::AddNamedDecl (clang::NamedDecl *decl) | 
|  | { | 
|  | m_decls.push_back (decl); | 
|  | } |