2097 lines
		
	
	
		
			73 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			2097 lines
		
	
	
		
			73 KiB
		
	
	
	
		
			C++
		
	
	
	
| //===-- ClangASTSource.cpp ---------------------------------------*- C++ -*-===//
 | |
| //
 | |
| //                     The LLVM Compiler Infrastructure
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| //
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| // 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"
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| 
 | |
| #include "clang/AST/ASTContext.h"
 | |
| #include "clang/AST/RecordLayout.h"
 | |
| #include "lldb/Core/Log.h"
 | |
| #include "lldb/Core/Module.h"
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| #include "lldb/Core/ModuleList.h"
 | |
| #include "lldb/Symbol/ClangASTContext.h"
 | |
| #include "lldb/Symbol/CompilerDeclContext.h"
 | |
| #include "lldb/Symbol/Function.h"
 | |
| #include "lldb/Symbol/SymbolVendor.h"
 | |
| #include "lldb/Symbol/TaggedASTType.h"
 | |
| #include "lldb/Target/ObjCLanguageRuntime.h"
 | |
| #include "lldb/Target/Target.h"
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| 
 | |
| #include <vector>
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| 
 | |
| using namespace clang;
 | |
| using namespace lldb_private;
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| 
 | |
| //------------------------------------------------------------------
 | |
| // Scoped class that will remove an active lexical decl from the set
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| // when it goes out of scope.
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| //------------------------------------------------------------------
 | |
| namespace {
 | |
|     class ScopedLexicalDeclEraser
 | |
|     {
 | |
|     public:
 | |
|         ScopedLexicalDeclEraser(std::set<const clang::Decl *> &decls,
 | |
|                                 const clang::Decl *decl)
 | |
|             : m_active_lexical_decls(decls), m_decl(decl)
 | |
|         {
 | |
|         }
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| 
 | |
|         ~ScopedLexicalDeclEraser()
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|         {
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|             m_active_lexical_decls.erase(m_decl);
 | |
|         }
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| 
 | |
|     private:
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|         std::set<const clang::Decl *> &m_active_lexical_decls;
 | |
|         const clang::Decl *m_decl;
 | |
|     };
 | |
| }
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| 
 | |
| 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).
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|     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)
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|         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();
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|     m_ast_context->getTranslationUnitDecl()->setHasExternalLexicalStorage();
 | |
| }
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| 
 | |
| // The core lookup interface.
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| bool
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| ClangASTSource::FindExternalVisibleDeclsByName
 | |
| (
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|     const DeclContext *decl_ctx,
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|     DeclarationName clang_decl_name
 | |
| )
 | |
| {
 | |
|     if (!m_ast_context)
 | |
|     {
 | |
|         SetNoExternalVisibleDeclsForName(decl_ctx, clang_decl_name);
 | |
|         return false;
 | |
|     }
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| 
 | |
|     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:
 | |
|         {
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|             clang::IdentifierInfo *identifier_info = clang_decl_name.getAsIdentifierInfo();
 | |
| 
 | |
|             if (!identifier_info ||
 | |
|                 identifier_info->getBuiltinID() != 0)
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|             {
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|                 SetNoExternalVisibleDeclsForName(decl_ctx, clang_decl_name);
 | |
|                 return false;
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|             }
 | |
|         }
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|         break;
 | |
| 
 | |
|     // Operator names.
 | |
|     case DeclarationName::CXXOperatorName:
 | |
|     case DeclarationName::CXXLiteralOperatorName:
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|         break;
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| 
 | |
|     // 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:
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|       SetNoExternalVisibleDeclsForName(decl_ctx, clang_decl_name);
 | |
|       return false;
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| 
 | |
|     case DeclarationName::ObjCZeroArgSelector:
 | |
|     case DeclarationName::ObjCOneArgSelector:
 | |
|     case DeclarationName::ObjCMultiArgSelector:
 | |
|     {
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|       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);
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|       return (method_decls.size() > 0);
 | |
|     }
 | |
|     // These aren't possible in the global context.
 | |
|     case DeclarationName::CXXConstructorName:
 | |
|     case DeclarationName::CXXDestructorName:
 | |
|     case DeclarationName::CXXConversionFunctionName:
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|       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());
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| 
 | |
|         log->Printf("      CTD[%u] Before:", current_id);
 | |
|         ASTDumper dumper((Decl*)tag_decl);
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|         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.
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| 
 | |
|         if (log)
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|             log->Printf("      CTD[%u] Type could not be completed in the module in which it was first found.", current_id);
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| 
 | |
|         bool found = false;
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| 
 | |
|         DeclContext *decl_ctx = tag_decl->getDeclContext();
 | |
| 
 | |
|         if (const NamespaceDecl *namespace_context = dyn_cast<NamespaceDecl>(decl_ctx))
 | |
|         {
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|             ClangASTImporter::NamespaceMapSP namespace_map = m_ast_importer_sp->GetNamespaceMap(namespace_context);
 | |
| 
 | |
|             if (log && log->GetVerbose())
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|                 log->Printf("      CTD[%u] Inspecting namespace map %p (%d entries)",
 | |
|                             current_id, static_cast<void*>(namespace_map.get()),
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|                             static_cast<int>(namespace_map->size()));
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| 
 | |
|             if (!namespace_map)
 | |
|                 return;
 | |
| 
 | |
|             for (ClangASTImporter::NamespaceMap::iterator i = namespace_map->begin(), e = namespace_map->end();
 | |
|                  i != e && !found;
 | |
|                  ++i)
 | |
|             {
 | |
|                 if (log)
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|                     log->Printf("      CTD[%u] Searching namespace %s in module %s",
 | |
|                                 current_id,
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|                                 i->second.GetName().AsCString(),
 | |
|                                 i->first->GetFileSpec().GetFilename().GetCString());
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| 
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|                 TypeList types;
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| 
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|                 SymbolContext null_sc;
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|                 ConstString name(tag_decl->getName().str().c_str());
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| 
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|                 i->first->FindTypesInNamespace(null_sc, name, &i->second, UINT32_MAX, types);
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| 
 | |
|                 for (uint32_t ti = 0, te = types.GetSize();
 | |
|                      ti != te && !found;
 | |
|                      ++ti)
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|                 {
 | |
|                     lldb::TypeSP type = types.GetTypeAtIndex(ti);
 | |
| 
 | |
|                     if (!type)
 | |
|                         continue;
 | |
| 
 | |
|                     CompilerType clang_type (type->GetFullCompilerType ());
 | |
| 
 | |
|                     if (!clang_type)
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|                         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;
 | |
|             module_list.FindTypes (null_sc, name, exact_match, 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;
 | |
|             }
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     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;
 | |
| 
 | |
|         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, 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));
 | |
| 
 | |
|     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);
 | |
| }
 |