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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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249 // The following are used by class Reference. | 249 // The following are used by class Reference. |
250 void LoadReference(Reference* ref); | 250 void LoadReference(Reference* ref); |
251 void UnloadReference(Reference* ref); | 251 void UnloadReference(Reference* ref); |
252 | 252 |
253 MemOperand ContextOperand(Register context, int index) const { | 253 MemOperand ContextOperand(Register context, int index) const { |
254 return MemOperand(context, Context::SlotOffset(index)); | 254 return MemOperand(context, Context::SlotOffset(index)); |
255 } | 255 } |
256 | 256 |
257 MemOperand SlotOperand(Slot* slot, Register tmp); | 257 MemOperand SlotOperand(Slot* slot, Register tmp); |
258 | 258 |
| 259 MemOperand ContextSlotOperandCheckExtensions(Slot* slot, |
| 260 Register tmp, |
| 261 Register tmp2, |
| 262 Label* slow); |
| 263 |
259 // Expressions | 264 // Expressions |
260 MemOperand GlobalObject() const { | 265 MemOperand GlobalObject() const { |
261 return ContextOperand(cp, Context::GLOBAL_INDEX); | 266 return ContextOperand(cp, Context::GLOBAL_INDEX); |
262 } | 267 } |
263 | 268 |
264 void LoadCondition(Expression* x, | 269 void LoadCondition(Expression* x, |
265 TypeofState typeof_state, | 270 TypeofState typeof_state, |
266 Label* true_target, | 271 Label* true_target, |
267 Label* false_target, | 272 Label* false_target, |
268 bool force_cc); | 273 bool force_cc); |
269 void Load(Expression* x, TypeofState typeof_state = NOT_INSIDE_TYPEOF); | 274 void Load(Expression* x, TypeofState typeof_state = NOT_INSIDE_TYPEOF); |
270 void LoadGlobal(); | 275 void LoadGlobal(); |
271 void LoadGlobalReceiver(Register scratch); | 276 void LoadGlobalReceiver(Register scratch); |
272 | 277 |
273 // Read a value from a slot and leave it on top of the expression stack. | 278 // Read a value from a slot and leave it on top of the expression stack. |
274 void LoadFromSlot(Slot* slot, TypeofState typeof_state); | 279 void LoadFromSlot(Slot* slot, TypeofState typeof_state); |
| 280 void LoadFromGlobalSlotCheckExtensions(Slot* slot, |
| 281 TypeofState typeof_state, |
| 282 Register tmp, |
| 283 Register tmp2, |
| 284 Label* slow); |
275 | 285 |
276 // Special code for typeof expressions: Unfortunately, we must | 286 // Special code for typeof expressions: Unfortunately, we must |
277 // be careful when loading the expression in 'typeof' | 287 // be careful when loading the expression in 'typeof' |
278 // expressions. We are not allowed to throw reference errors for | 288 // expressions. We are not allowed to throw reference errors for |
279 // non-existing properties of the global object, so we must make it | 289 // non-existing properties of the global object, so we must make it |
280 // look like an explicit property access, instead of an access | 290 // look like an explicit property access, instead of an access |
281 // through the context chain. | 291 // through the context chain. |
282 void LoadTypeofExpression(Expression* x); | 292 void LoadTypeofExpression(Expression* x); |
283 | 293 |
284 void ToBoolean(Label* true_target, Label* false_target); | 294 void ToBoolean(Label* true_target, Label* false_target); |
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408 | 418 |
409 friend class VirtualFrame; | 419 friend class VirtualFrame; |
410 friend class Reference; | 420 friend class Reference; |
411 | 421 |
412 DISALLOW_COPY_AND_ASSIGN(CodeGenerator); | 422 DISALLOW_COPY_AND_ASSIGN(CodeGenerator); |
413 }; | 423 }; |
414 | 424 |
415 } } // namespace v8::internal | 425 } } // namespace v8::internal |
416 | 426 |
417 #endif // V8_CODEGEN_ARM_H_ | 427 #endif // V8_CODEGEN_ARM_H_ |
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