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// Copyright 2018 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.
#include <fstream>
#include <iostream>
#include "src/torque/declarable.h"
#include "src/torque/global-context.h"
#include "src/torque/type-inference.h"
#include "src/torque/type-visitor.h"
namespace v8 {
namespace internal {
namespace torque {
DEFINE_CONTEXTUAL_VARIABLE(CurrentScope)
std::ostream& operator<<(std::ostream& os, const QualifiedName& name) {
for (const std::string& qualifier : name.namespace_qualification) {
os << qualifier << "::";
}
return os << name.name;
}
std::ostream& operator<<(std::ostream& os, const Callable& m) {
os << "callable " << m.ReadableName() << "(";
if (m.signature().implicit_count != 0) {
os << "implicit ";
TypeVector implicit_parameter_types(
m.signature().parameter_types.types.begin(),
m.signature().parameter_types.types.begin() +
m.signature().implicit_count);
os << implicit_parameter_types << ")(";
TypeVector explicit_parameter_types(
m.signature().parameter_types.types.begin() +
m.signature().implicit_count,
m.signature().parameter_types.types.end());
os << explicit_parameter_types;
} else {
os << m.signature().parameter_types;
}
os << "): " << *m.signature().return_type;
return os;
}
std::ostream& operator<<(std::ostream& os, const Builtin& b) {
os << "builtin " << *b.signature().return_type << " " << b.ReadableName()
<< b.signature().parameter_types;
return os;
}
std::ostream& operator<<(std::ostream& os, const RuntimeFunction& b) {
os << "runtime function " << *b.signature().return_type << " "
<< b.ReadableName() << b.signature().parameter_types;
return os;
}
std::ostream& operator<<(std::ostream& os, const Generic& g) {
os << "generic " << g.name() << "<";
PrintCommaSeparatedList(
os, g.generic_parameters(),
[](const Identifier* identifier) { return identifier->value; });
os << ">";
return os;
}
TypeArgumentInference Generic::InferSpecializationTypes(
const TypeVector& explicit_specialization_types,
const TypeVector& arguments) {
size_t implicit_count = declaration()->parameters.implicit_count;
const std::vector<TypeExpression*>& parameters =
declaration()->parameters.types;
std::vector<TypeExpression*> explicit_parameters(
parameters.begin() + implicit_count, parameters.end());
CurrentScope::Scope generic_scope(ParentScope());
TypeArgumentInference inference(generic_parameters(),
explicit_specialization_types,
explicit_parameters, arguments);
return inference;
}
base::Optional<Statement*> Generic::CallableBody() {
if (auto* decl = TorqueMacroDeclaration::DynamicCast(declaration())) {
return decl->body;
} else if (auto* decl =
TorqueBuiltinDeclaration::DynamicCast(declaration())) {
return decl->body;
} else {
return base::nullopt;
}
}
bool Namespace::IsDefaultNamespace() const {
return this == GlobalContext::GetDefaultNamespace();
}
bool Namespace::IsTestNamespace() const { return name() == kTestNamespaceName; }
const Type* TypeAlias::Resolve() const {
if (!type_) {
CurrentScope::Scope scope_activator(ParentScope());
CurrentSourcePosition::Scope position_activator(Position());
TypeDeclaration* decl = *delayed_;
if (being_resolved_) {
std::stringstream s;
s << "Cannot create type " << decl->name->value
<< " due to circular dependencies.";
ReportError(s.str());
}
type_ = TypeVisitor::ComputeType(decl);
}
return *type_;
}
} // namespace torque
} // namespace internal
} // namespace v8