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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) {
Declarations::PredeclareTypeAlias(decl->name, decl, false);
}
static void Predeclare(GenericTypeDeclaration* generic_decl) {
Declarations::DeclareGenericType(generic_decl->declaration->name->value,
generic_decl);
}
static void Predeclare(GenericCallableDeclaration* generic_decl) {
Declarations::DeclareGenericCallable(generic_decl->declaration->name->value,
generic_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) {
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(GenericCallableDeclaration* decl) {
// The PredeclarationVisitor already handled this case.
}
static void Visit(GenericTypeDeclaration* 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<GenericCallable>& key);
static Callable* SpecializeImplicit(
const SpecializationKey<GenericCallable>& key);
static Callable* Specialize(
const SpecializationKey<GenericCallable>& key,
CallableDeclaration* declaration,
base::Optional<const SpecializationDeclaration*> explicit_specialization,
base::Optional<Statement*> body, SourcePosition position);
private:
static void DeclareSpecializedTypes(
const SpecializationKey<GenericCallable>& key);
};
} // namespace torque
} // namespace internal
} // namespace v8
#endif // V8_TORQUE_DECLARATION_VISITOR_H_
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