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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_DECLARATIONS_H_
#define V8_TORQUE_DECLARATIONS_H_
#include <memory>
#include <string>
#include "src/torque/declarable.h"
#include "src/torque/utils.h"
namespace v8 {
namespace internal {
namespace torque {
static constexpr const char* const kFromConstexprMacroName = "FromConstexpr";
static constexpr const char* kMacroEndLabelName = "__macro_end";
static constexpr const char* kBreakLabelName = "__break";
static constexpr const char* kContinueLabelName = "__continue";
static constexpr const char* kCatchLabelName = "__catch";
static constexpr const char* kNextCaseLabelName = "__NextCase";
template <class T>
std::vector<T*> FilterDeclarables(const std::vector<Declarable*> list) {
std::vector<T*> result;
for (Declarable* declarable : list) {
if (T* t = T::DynamicCast(declarable)) {
result.push_back(t);
}
}
return result;
}
inline std::string UnwrapTNodeTypeName(const std::string& generates) {
if (generates.length() < 7 || generates.substr(0, 6) != "TNode<" ||
generates.substr(generates.length() - 1, 1) != ">") {
ReportError("generated type \"", generates,
"\" should be of the form \"TNode<...>\"");
}
return generates.substr(6, generates.length() - 7);
}
class Declarations {
public:
static std::vector<Declarable*> TryLookup(const QualifiedName& name) {
return CurrentScope::Get()->Lookup(name);
}
static std::vector<Declarable*> TryLookupShallow(const QualifiedName& name) {
return CurrentScope::Get()->LookupShallow(name);
}
template <class T>
static std::vector<T*> TryLookup(const QualifiedName& name) {
return FilterDeclarables<T>(TryLookup(name));
}
static std::vector<Declarable*> Lookup(const QualifiedName& name) {
std::vector<Declarable*> d = TryLookup(name);
if (d.empty()) {
ReportError("cannot find \"", name, "\"");
}
return d;
}
static std::vector<Declarable*> LookupGlobalScope(const QualifiedName& name);
static const TypeAlias* LookupTypeAlias(const QualifiedName& name);
static const Type* LookupType(const QualifiedName& name);
static const Type* LookupType(const Identifier* identifier);
static base::Optional<const Type*> TryLookupType(const QualifiedName& name);
static const Type* LookupGlobalType(const QualifiedName& name);
static Builtin* FindSomeInternalBuiltinWithType(
const BuiltinPointerType* type);
static Value* LookupValue(const QualifiedName& name);
static Macro* TryLookupMacro(const std::string& name,
const TypeVector& types);
static base::Optional<Builtin*> TryLookupBuiltin(const QualifiedName& name);
static std::vector<GenericCallable*> LookupGeneric(const std::string& name);
static GenericCallable* LookupUniqueGeneric(const QualifiedName& name);
static GenericType* LookupUniqueGenericType(const QualifiedName& name);
static GenericType* LookupGlobalUniqueGenericType(const std::string& name);
static base::Optional<GenericType*> TryLookupGenericType(
const QualifiedName& name);
static Namespace* DeclareNamespace(const std::string& name);
static TypeAlias* DeclareType(const Identifier* name, const Type* type);
static TypeAlias* PredeclareTypeAlias(const Identifier* name,
TypeDeclaration* type,
bool redeclaration);
static TorqueMacro* CreateTorqueMacro(std::string external_name,
std::string readable_name,
bool exported_to_csa,
Signature signature,
base::Optional<Statement*> body,
bool is_user_defined);
static ExternMacro* CreateExternMacro(std::string name,
std::string external_assembler_name,
Signature signature);
static Macro* DeclareMacro(
const std::string& name, bool accessible_from_csa,
base::Optional<std::string> external_assembler_name,
const Signature& signature, base::Optional<Statement*> body,
base::Optional<std::string> op = {}, bool is_user_defined = true);
static Method* CreateMethod(AggregateType* class_type,
const std::string& name, Signature signature,
Statement* body);
static Intrinsic* CreateIntrinsic(const std::string& name,
const Signature& signature);
static Intrinsic* DeclareIntrinsic(const std::string& name,
const Signature& signature);
static Builtin* CreateBuiltin(std::string external_name,
std::string readable_name, Builtin::Kind kind,
Builtin::Flags flags, Signature signature,
base::Optional<Statement*> body);
static Builtin* DeclareBuiltin(const std::string& name, Builtin::Kind kind,
Builtin::Flags flags,
const Signature& signature,
base::Optional<Statement*> body);
static RuntimeFunction* DeclareRuntimeFunction(const std::string& name,
const Signature& signature);
static ExternConstant* DeclareExternConstant(Identifier* name,
const Type* type,
std::string value);
static NamespaceConstant* DeclareNamespaceConstant(Identifier* name,
const Type* type,
Expression* body);
static GenericCallable* DeclareGenericCallable(
const std::string& name, GenericCallableDeclaration* ast_node);
static GenericType* DeclareGenericType(const std::string& name,
GenericTypeDeclaration* ast_node);
template <class T>
static T* Declare(const std::string& name, T* d) {
CurrentScope::Get()->AddDeclarable(name, d);
return d;
}
template <class T>
static T* Declare(const std::string& name, std::unique_ptr<T> d) {
return CurrentScope::Get()->AddDeclarable(name,
RegisterDeclarable(std::move(d)));
}
static Macro* DeclareOperator(const std::string& name, Macro* m);
static std::string GetGeneratedCallableName(
const std::string& name, const TypeVector& specialized_types);
};
} // namespace torque
} // namespace internal
} // namespace v8
#endif // V8_TORQUE_DECLARATIONS_H_
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