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| 1 // Copyright 2014 the V8 project authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "src/hydrogen-types.h" | |
| 6 | |
| 7 #include "src/ostreams.h" | |
| 8 #include "src/types-inl.h" | |
| 9 | |
| 10 | |
| 11 namespace v8 { | |
| 12 namespace internal { | |
| 13 | |
| 14 // static | |
| 15 template <class T> | |
| 16 HType HType::FromType(typename T::TypeHandle type) { | |
| 17 if (T::Any()->Is(type)) return HType::Any(); | |
| 18 if (!type->IsInhabited()) return HType::None(); | |
| 19 if (type->Is(T::SignedSmall())) return HType::Smi(); | |
| 20 if (type->Is(T::Number())) return HType::TaggedNumber(); | |
| 21 if (type->Is(T::Null())) return HType::Null(); | |
| 22 if (type->Is(T::String())) return HType::String(); | |
| 23 if (type->Is(T::Boolean())) return HType::Boolean(); | |
| 24 if (type->Is(T::Undefined())) return HType::Undefined(); | |
| 25 if (type->Is(T::Object())) return HType::JSObject(); | |
| 26 if (type->Is(T::Receiver())) return HType::JSReceiver(); | |
| 27 return HType::Tagged(); | |
| 28 } | |
| 29 | |
| 30 | |
| 31 // static | |
| 32 template | |
| 33 HType HType::FromType<Type>(Type* type); | |
| 34 | |
| 35 | |
| 36 // static | |
| 37 template | |
| 38 HType HType::FromType<HeapType>(Handle<HeapType> type); | |
| 39 | |
| 40 | |
| 41 // static | |
| 42 HType HType::FromValue(Handle<Object> value) { | |
| 43 if (value->IsSmi()) return HType::Smi(); | |
| 44 if (value->IsNull()) return HType::Null(); | |
| 45 if (value->IsHeapNumber()) { | |
| 46 double n = Handle<v8::internal::HeapNumber>::cast(value)->value(); | |
| 47 return IsSmiDouble(n) ? HType::Smi() : HType::HeapNumber(); | |
| 48 } | |
| 49 if (value->IsString()) return HType::String(); | |
| 50 if (value->IsBoolean()) return HType::Boolean(); | |
| 51 if (value->IsUndefined()) return HType::Undefined(); | |
| 52 if (value->IsJSArray()) return HType::JSArray(); | |
| 53 if (value->IsJSObject()) return HType::JSObject(); | |
| 54 DCHECK(value->IsHeapObject()); | |
| 55 return HType::HeapObject(); | |
| 56 } | |
| 57 | |
| 58 | |
| 59 std::ostream& operator<<(std::ostream& os, const HType& t) { | |
| 60 // Note: The c1visualizer syntax for locals allows only a sequence of the | |
| 61 // following characters: A-Za-z0-9_-|: | |
| 62 switch (t.kind_) { | |
| 63 #define DEFINE_CASE(Name, mask) \ | |
| 64 case HType::k##Name: \ | |
| 65 return os << #Name; | |
| 66 HTYPE_LIST(DEFINE_CASE) | |
| 67 #undef DEFINE_CASE | |
| 68 } | |
| 69 UNREACHABLE(); | |
| 70 return os; | |
| 71 } | |
| 72 | |
| 73 } // namespace internal | |
| 74 } // namespace v8 | |
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Chromium Code Reviews
Issue 1405363003:
Move Hydrogen and Lithium to src/crankshaft/ (Closed)
Base URL: https://chromium.googlesource.com/v8/v8.git@master