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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_TYPES_H_ | 5 #ifndef V8_TYPES_H_ |
6 #define V8_TYPES_H_ | 6 #define V8_TYPES_H_ |
7 | 7 |
8 #include "src/conversions.h" | 8 #include "src/conversions.h" |
9 #include "src/handles.h" | 9 #include "src/handles.h" |
10 #include "src/objects.h" | 10 #include "src/objects.h" |
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201 V(Symbol, 1u << 12 | REPRESENTATION(kTaggedPointer)) \ | 201 V(Symbol, 1u << 12 | REPRESENTATION(kTaggedPointer)) \ |
202 V(InternalizedString, 1u << 13 | REPRESENTATION(kTaggedPointer)) \ | 202 V(InternalizedString, 1u << 13 | REPRESENTATION(kTaggedPointer)) \ |
203 V(OtherString, 1u << 14 | REPRESENTATION(kTaggedPointer)) \ | 203 V(OtherString, 1u << 14 | REPRESENTATION(kTaggedPointer)) \ |
204 V(Simd, 1u << 15 | REPRESENTATION(kTaggedPointer)) \ | 204 V(Simd, 1u << 15 | REPRESENTATION(kTaggedPointer)) \ |
205 V(Undetectable, 1u << 16 | REPRESENTATION(kTaggedPointer)) \ | 205 V(Undetectable, 1u << 16 | REPRESENTATION(kTaggedPointer)) \ |
206 V(OtherObject, 1u << 17 | REPRESENTATION(kTaggedPointer)) \ | 206 V(OtherObject, 1u << 17 | REPRESENTATION(kTaggedPointer)) \ |
207 V(Proxy, 1u << 18 | REPRESENTATION(kTaggedPointer)) \ | 207 V(Proxy, 1u << 18 | REPRESENTATION(kTaggedPointer)) \ |
208 V(Function, 1u << 19 | REPRESENTATION(kTaggedPointer)) \ | 208 V(Function, 1u << 19 | REPRESENTATION(kTaggedPointer)) \ |
209 V(Internal, 1u << 20 | REPRESENTATION(kTagged | kUntagged)) \ | 209 V(Internal, 1u << 20 | REPRESENTATION(kTagged | kUntagged)) \ |
210 \ | 210 \ |
211 V(Signed31, kUnsigned30 | kNegative31) \ | 211 V(Signed31, kUnsigned30 | kNegative31) \ |
212 V(Signed32, kSigned31 | kOtherUnsigned31 | kOtherSigned32) \ | 212 V(Signed32, kSigned31 | kOtherUnsigned31 | kOtherSigned32) \ |
213 V(Negative32, kNegative31 | kOtherSigned32) \ | 213 V(Negative32, kNegative31 | kOtherSigned32) \ |
214 V(Unsigned31, kUnsigned30 | kOtherUnsigned31) \ | 214 V(Unsigned31, kUnsigned30 | kOtherUnsigned31) \ |
215 V(Unsigned32, kUnsigned30 | kOtherUnsigned31 | kOtherUnsigned32) \ | 215 V(Unsigned32, kUnsigned30 | kOtherUnsigned31 | \ |
216 V(Integral32, kSigned32 | kUnsigned32) \ | 216 kOtherUnsigned32) \ |
217 V(PlainNumber, kIntegral32 | kOtherNumber) \ | 217 V(Integral32, kSigned32 | kUnsigned32) \ |
218 V(OrderedNumber, kPlainNumber | kMinusZero) \ | 218 V(PlainNumber, kIntegral32 | kOtherNumber) \ |
219 V(MinusZeroOrNaN, kMinusZero | kNaN) \ | 219 V(OrderedNumber, kPlainNumber | kMinusZero) \ |
220 V(Number, kOrderedNumber | kNaN) \ | 220 V(MinusZeroOrNaN, kMinusZero | kNaN) \ |
221 V(String, kInternalizedString | kOtherString) \ | 221 V(Number, kOrderedNumber | kNaN) \ |
222 V(UniqueName, kSymbol | kInternalizedString) \ | 222 V(String, kInternalizedString | kOtherString) \ |
223 V(Name, kSymbol | kString) \ | 223 V(UniqueName, kSymbol | kInternalizedString) \ |
224 V(BooleanOrNumber, kBoolean | kNumber) \ | 224 V(Name, kSymbol | kString) \ |
225 V(NullOrUndefined, kNull | kUndefined) \ | 225 V(BooleanOrNumber, kBoolean | kNumber) \ |
226 V(NumberOrString, kNumber | kString) \ | 226 V(BooleanOrNullOrUndefined, kBoolean | kNull | kUndefined) \ |
227 V(NumberOrUndefined, kNumber | kUndefined) \ | 227 V(NullOrUndefined, kNull | kUndefined) \ |
228 V(PlainPrimitive, kNumberOrString | kBoolean | kNullOrUndefined) \ | 228 V(NumberOrString, kNumber | kString) \ |
229 V(Primitive, kSymbol | kSimd | kPlainPrimitive) \ | 229 V(NumberOrUndefined, kNumber | kUndefined) \ |
230 V(DetectableReceiver, kFunction | kOtherObject | kProxy) \ | 230 V(PlainPrimitive, kNumberOrString | kBoolean | kNullOrUndefined) \ |
231 V(Detectable, kDetectableReceiver | kNumber | kName) \ | 231 V(Primitive, kSymbol | kSimd | kPlainPrimitive) \ |
232 V(Object, kFunction | kOtherObject | kUndetectable) \ | 232 V(DetectableReceiver, kFunction | kOtherObject | kProxy) \ |
233 V(Receiver, kObject | kProxy) \ | 233 V(Detectable, kDetectableReceiver | kNumber | kName) \ |
234 V(StringOrReceiver, kString | kReceiver) \ | 234 V(Object, kFunction | kOtherObject | kUndetectable) \ |
235 V(Unique, kBoolean | kUniqueName | kNull | kUndefined | \ | 235 V(Receiver, kObject | kProxy) \ |
236 kReceiver) \ | 236 V(StringOrReceiver, kString | kReceiver) \ |
237 V(NonNumber, kUnique | kString | kInternal) \ | 237 V(Unique, kBoolean | kUniqueName | kNull | kUndefined | \ |
238 V(Any, 0xfffffffeu) | 238 kReceiver) \ |
| 239 V(NonNumber, kUnique | kString | kInternal) \ |
| 240 V(Any, 0xfffffffeu) |
239 | 241 |
240 // clang-format on | 242 // clang-format on |
241 | 243 |
242 /* | 244 /* |
243 * The following diagrams show how integers (in the mathematical sense) are | 245 * The following diagrams show how integers (in the mathematical sense) are |
244 * divided among the different atomic numerical types. | 246 * divided among the different atomic numerical types. |
245 * | 247 * |
246 * ON OS32 N31 U30 OU31 OU32 ON | 248 * ON OS32 N31 U30 OU31 OU32 ON |
247 * ______[_______[_______[_______[_______[_______[_______ | 249 * ______[_______[_______[_______[_______[_______[_______ |
248 * -2^31 -2^30 0 2^30 2^31 2^32 | 250 * -2^31 -2^30 0 2^30 2^31 2^32 |
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1174 return that.lower->Is(this->lower) && this->upper->Is(that.upper); | 1176 return that.lower->Is(this->lower) && this->upper->Is(that.upper); |
1175 } | 1177 } |
1176 }; | 1178 }; |
1177 | 1179 |
1178 typedef BoundsImpl<ZoneTypeConfig> Bounds; | 1180 typedef BoundsImpl<ZoneTypeConfig> Bounds; |
1179 | 1181 |
1180 } // namespace internal | 1182 } // namespace internal |
1181 } // namespace v8 | 1183 } // namespace v8 |
1182 | 1184 |
1183 #endif // V8_TYPES_H_ | 1185 #endif // V8_TYPES_H_ |
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