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// Copyright 2017 the V8 project authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef V8_TORQUE_DECLARATION_VISITOR_H_ #define V8_TORQUE_DECLARATION_VISITOR_H_ #include <set> #include <string> #include "src/base/macros.h" #include "src/torque/declarations.h" #include "src/torque/global-context.h" #include "src/torque/types.h" #include "src/torque/utils.h" namespace v8 { namespace internal { namespace torque { Namespace* GetOrCreateNamespace(const std::string& name); class PredeclarationVisitor { public: static void Predeclare(Ast* ast) { CurrentScope::Scope current_namespace(GlobalContext::GetDefaultNamespace()); for (Declaration* child : ast->declarations()) Predeclare(child); } static void ResolvePredeclarations(); private: static void Predeclare(Declaration* decl); static void Predeclare(NamespaceDeclaration* decl) { CurrentScope::Scope current_scope(GetOrCreateNamespace(decl->name)); for (Declaration* child : decl->declarations) Predeclare(child); } static void Predeclare(TypeDeclaration* decl) { Declarations::PredeclareTypeAlias(decl->name, decl, false); } static void Predeclare(StructDeclaration* decl) { if (decl->IsGeneric()) { Declarations::DeclareGenericStructType(decl->name->value, decl); } else { Declarations::PredeclareTypeAlias(decl->name, decl, false); } } static void Predeclare(GenericDeclaration* decl) { Declarations::DeclareGeneric(decl->declaration->name->value, decl); } }; class DeclarationVisitor { public: static void Visit(Ast* ast) { CurrentScope::Scope current_namespace(GlobalContext::GetDefaultNamespace()); for (Declaration* child : ast->declarations()) Visit(child); } static void Visit(Declaration* decl); static void Visit(NamespaceDeclaration* decl) { CurrentScope::Scope current_scope(GetOrCreateNamespace(decl->name)); for (Declaration* child : decl->declarations) Visit(child); } static void Visit(TypeDeclaration* decl) { // Looking up the type will trigger type computation; this ensures errors // are reported even if the type is unused. Declarations::LookupType(decl->name); } static void Visit(StructDeclaration* decl) { if (!decl->IsGeneric()) { Declarations::LookupType(decl->name); } } static Builtin* CreateBuiltin(BuiltinDeclaration* decl, std::string external_name, std::string readable_name, Signature signature, base::Optional<Statement*> body); static void Visit(ExternalBuiltinDeclaration* decl); static void Visit(ExternalRuntimeDeclaration* decl); static void Visit(ExternalMacroDeclaration* decl); static void Visit(TorqueBuiltinDeclaration* decl); static void Visit(TorqueMacroDeclaration* decl); static void Visit(IntrinsicDeclaration* decl); static void Visit(ConstDeclaration* decl); static void Visit(GenericDeclaration* decl) { // The PredeclarationVisitor already handled this case. } static void Visit(SpecializationDeclaration* decl); static void Visit(ExternConstDeclaration* decl); static void Visit(CppIncludeDeclaration* decl); static Signature MakeSpecializedSignature( const SpecializationKey<Generic>& key); static Callable* SpecializeImplicit(const SpecializationKey<Generic>& key); static Callable* Specialize( const SpecializationKey<Generic>& key, CallableDeclaration* declaration, base::Optional<const SpecializationDeclaration*> explicit_specialization, base::Optional<Statement*> body, SourcePosition position); private: static void DeclareSpecializedTypes(const SpecializationKey<Generic>& key); }; } // namespace torque } // namespace internal } // namespace v8 #endif // V8_TORQUE_DECLARATION_VISITOR_H_