| // 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/hydrogen-types.h" |
| |
| #include "src/ostreams.h" |
| #include "src/types-inl.h" |
| |
| |
| namespace v8 { |
| namespace internal { |
| |
| // static |
| template <class T> |
| HType HType::FromType(typename T::TypeHandle type) { |
| if (T::Any()->Is(type)) return HType::Any(); |
| if (type->Is(T::None())) return HType::None(); |
| if (type->Is(T::SignedSmall())) return HType::Smi(); |
| if (type->Is(T::Number())) return HType::TaggedNumber(); |
| if (type->Is(T::Null())) return HType::Null(); |
| if (type->Is(T::String())) return HType::String(); |
| if (type->Is(T::Boolean())) return HType::Boolean(); |
| if (type->Is(T::Undefined())) return HType::Undefined(); |
| if (type->Is(T::Array())) return HType::JSArray(); |
| if (type->Is(T::Object())) return HType::JSObject(); |
| return HType::Tagged(); |
| } |
| |
| |
| // static |
| template |
| HType HType::FromType<Type>(Type* type); |
| |
| |
| // static |
| template |
| HType HType::FromType<HeapType>(Handle<HeapType> type); |
| |
| |
| // 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()) return HType::JSArray(); |
| if (value->IsJSObject()) return HType::JSObject(); |
| DCHECK(value->IsHeapObject()); |
| return HType::HeapObject(); |
| } |
| |
| |
| OStream& operator<<(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 v8::internal |