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// Copyright 2014 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 "src/crankshaft/hydrogen-types.h"
#include "src/field-type.h"
#include "src/handles-inl.h"
#include "src/ostreams.h"
namespace v8 {
namespace internal {
// static
HType HType::FromType(Type* type) {
if (Type::Any()->Is(type)) return HType::Any();
if (!type->IsInhabited()) return HType::None();
if (type->Is(Type::SignedSmall())) return HType::Smi();
if (type->Is(Type::Number())) return HType::TaggedNumber();
if (type->Is(Type::Null())) return HType::Null();
if (type->Is(Type::String())) return HType::String();
if (type->Is(Type::Boolean())) return HType::Boolean();
if (type->Is(Type::Undefined())) return HType::Undefined();
if (type->Is(Type::Object())) return HType::JSObject();
if (type->Is(Type::DetectableReceiver())) return HType::JSReceiver();
return HType::Tagged();
}
// static
HType HType::FromFieldType(Handle<FieldType> type, Zone* temp_zone) {
return FromType(type->Convert(temp_zone));
}
// static
HType HType::FromValue(Handle<Object> value) {
if (value->IsSmi()) return HType::Smi();
if (value->IsNull()) return HType::Null();
if (value->IsHeapNumber()) {
double n = Handle<v8::internal::HeapNumber>::cast(value)->value();
return IsSmiDouble(n) ? HType::Smi() : HType::HeapNumber();
}
if (value->IsString()) return HType::String();
if (value->IsBoolean()) return HType::Boolean();
if (value->IsUndefined()) return HType::Undefined();
if (value->IsJSArray()) {
DCHECK(!value->IsUndetectable());
return HType::JSArray();
}
if (value->IsJSObject() && !value->IsUndetectable()) {
return HType::JSObject();
}
DCHECK(value->IsHeapObject());
return HType::HeapObject();
}
std::ostream& operator<<(std::ostream& os, const HType& t) {
// Note: The c1visualizer syntax for locals allows only a sequence of the
// following characters: A-Za-z0-9_-|:
switch (t.kind_) {
#define DEFINE_CASE(Name, mask) \
case HType::k##Name: \
return os << #Name;
HTYPE_LIST(DEFINE_CASE)
#undef DEFINE_CASE
}
UNREACHABLE();
return os;
}
} // namespace internal
} // namespace v8
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