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1 // Copyright 2014 the V8 project authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_COMPILER_TYPE_CACHE_H_ | 5 #ifndef V8_COMPILER_TYPE_CACHE_H_ |
6 #define V8_COMPILER_TYPE_CACHE_H_ | 6 #define V8_COMPILER_TYPE_CACHE_H_ |
7 | 7 |
8 #include "src/date.h" | 8 #include "src/date.h" |
9 #include "src/types.h" | 9 #include "src/types.h" |
10 | 10 |
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129 // The JSDate::weekday property always contains a tagged number in the range | 129 // The JSDate::weekday property always contains a tagged number in the range |
130 // [0, 6] or NaN. | 130 // [0, 6] or NaN. |
131 Type* const kJSDateWeekdayType = | 131 Type* const kJSDateWeekdayType = |
132 Type::Union(CreateRange(0, 6.0), Type::NaN(), zone()); | 132 Type::Union(CreateRange(0, 6.0), Type::NaN(), zone()); |
133 | 133 |
134 // The JSDate::year property always contains a tagged number in the signed | 134 // The JSDate::year property always contains a tagged number in the signed |
135 // small range or NaN. | 135 // small range or NaN. |
136 Type* const kJSDateYearType = | 136 Type* const kJSDateYearType = |
137 Type::Union(Type::SignedSmall(), Type::NaN(), zone()); | 137 Type::Union(Type::SignedSmall(), Type::NaN(), zone()); |
138 | 138 |
139 #define TYPED_ARRAY(TypeName, type_name, TYPE_NAME, ctype, size) \ | |
140 Type* const k##TypeName##Array = CreateArray(k##TypeName); | |
141 TYPED_ARRAYS(TYPED_ARRAY) | |
142 #undef TYPED_ARRAY | |
143 | |
144 private: | 139 private: |
145 Type* CreateArray(Type* element) { return Type::Array(element, zone()); } | |
146 | |
147 Type* CreateArrayFunction(Type* array) { | |
148 Type* arg1 = Type::Union(Type::Unsigned32(), Type::Object(), zone()); | |
149 Type* arg2 = Type::Union(Type::Unsigned32(), Type::Undefined(), zone()); | |
150 Type* arg3 = arg2; | |
151 return Type::Function(array, arg1, arg2, arg3, zone()); | |
152 } | |
153 | |
154 template <typename T> | 140 template <typename T> |
155 Type* CreateRange() { | 141 Type* CreateRange() { |
156 return CreateRange(std::numeric_limits<T>::min(), | 142 return CreateRange(std::numeric_limits<T>::min(), |
157 std::numeric_limits<T>::max()); | 143 std::numeric_limits<T>::max()); |
158 } | 144 } |
159 | 145 |
160 Type* CreateRange(double min, double max) { | 146 Type* CreateRange(double min, double max) { |
161 return Type::Range(min, max, zone()); | 147 return Type::Range(min, max, zone()); |
162 } | 148 } |
163 | 149 |
164 Zone* zone() { return &zone_; } | 150 Zone* zone() { return &zone_; } |
165 }; | 151 }; |
166 | 152 |
167 } // namespace compiler | 153 } // namespace compiler |
168 } // namespace internal | 154 } // namespace internal |
169 } // namespace v8 | 155 } // namespace v8 |
170 | 156 |
171 #endif // V8_COMPILER_TYPE_CACHE_H_ | 157 #endif // V8_COMPILER_TYPE_CACHE_H_ |
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