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/types-inl.h" 8 9 10 namespace v8 { 11 namespace internal { 12 13 // static 14 template <class T> FromType(typename T::TypeHandle type)15HType HType::FromType(typename T::TypeHandle type) { 16 if (T::Any()->Is(type)) return HType::Any(); 17 if (type->Is(T::None())) return HType::None(); 18 if (type->Is(T::SignedSmall())) return HType::Smi(); 19 if (type->Is(T::Number())) return HType::TaggedNumber(); 20 if (type->Is(T::Null())) return HType::Null(); 21 if (type->Is(T::String())) return HType::String(); 22 if (type->Is(T::Boolean())) return HType::Boolean(); 23 if (type->Is(T::Undefined())) return HType::Undefined(); 24 if (type->Is(T::Array())) return HType::JSArray(); 25 if (type->Is(T::Object())) return HType::JSObject(); 26 return HType::Tagged(); 27 } 28 29 30 // static 31 template 32 HType HType::FromType<Type>(Type* type); 33 34 35 // static 36 template 37 HType HType::FromType<HeapType>(Handle<HeapType> type); 38 39 40 // static FromValue(Handle<Object> value)41HType HType::FromValue(Handle<Object> value) { 42 if (value->IsSmi()) return HType::Smi(); 43 if (value->IsNull()) return HType::Null(); 44 if (value->IsHeapNumber()) return HType::HeapNumber(); 45 if (value->IsString()) return HType::String(); 46 if (value->IsBoolean()) return HType::Boolean(); 47 if (value->IsUndefined()) return HType::Undefined(); 48 if (value->IsJSArray()) return HType::JSArray(); 49 if (value->IsJSObject()) return HType::JSObject(); 50 ASSERT(value->IsHeapObject()); 51 return HType::HeapObject(); 52 } 53 54 ToString() const55const char* HType::ToString() const { 56 // Note: The c1visualizer syntax for locals allows only a sequence of the 57 // following characters: A-Za-z0-9_-|: 58 switch (kind_) { 59 #define DEFINE_CASE(Name, mask) case k##Name: return #Name; 60 HTYPE_LIST(DEFINE_CASE) 61 #undef DEFINE_CASE 62 } 63 UNREACHABLE(); 64 return NULL; 65 } 66 67 } } // namespace v8::internal 68