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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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| 214 | 214 |
| 215 | 215 |
| 216 static Object* Runtime_ClassOf(Arguments args) { | 216 static Object* Runtime_ClassOf(Arguments args) { |
| 217 NoHandleAllocation ha; | 217 NoHandleAllocation ha; |
| 218 ASSERT(args.length() == 1); | 218 ASSERT(args.length() == 1); |
| 219 Object* obj = args[0]; | 219 Object* obj = args[0]; |
| 220 if (!obj->IsJSObject()) return Heap::null_value(); | 220 if (!obj->IsJSObject()) return Heap::null_value(); |
| 221 return JSObject::cast(obj)->class_name(); | 221 return JSObject::cast(obj)->class_name(); |
| 222 } | 222 } |
| 223 | 223 |
| 224 inline static Object* HasSpecificClassOf(Arguments args, String* name) { | |
| 225 NoHandleAllocation ha; | |
| 226 ASSERT(args.length() == 1); | |
| 227 Object* obj = args[0]; | |
| 228 if (obj->IsJSObject() && (JSObject::cast(obj)->class_name() == name)) { | |
| 229 return Heap::true_value(); | |
| 230 } | |
| 231 return Heap::false_value(); | |
| 232 } | |
| 233 | 224 |
| 234 static Object* Runtime_HasStringClass(Arguments args) { | 225 static Object* Runtime_HasStringClass(Arguments args) { |
| 235 return HasSpecificClassOf(args, Heap::String_symbol()); | 226 return Heap::ToBoolean(args[0]->HasSpecificClassOf(Heap::String_symbol())); |
| 236 } | 227 } |
| 237 | 228 |
| 238 | 229 |
| 239 static Object* Runtime_HasDateClass(Arguments args) { | 230 static Object* Runtime_HasDateClass(Arguments args) { |
| 240 return HasSpecificClassOf(args, Heap::Date_symbol()); | 231 return Heap::ToBoolean(args[0]->HasSpecificClassOf(Heap::Date_symbol())); |
| 241 } | 232 } |
| 242 | 233 |
| 243 | 234 |
| 244 static Object* Runtime_HasArrayClass(Arguments args) { | 235 static Object* Runtime_HasArrayClass(Arguments args) { |
| 245 return HasSpecificClassOf(args, Heap::Array_symbol()); | 236 return Heap::ToBoolean(args[0]->HasSpecificClassOf(Heap::Array_symbol())); |
| 246 } | 237 } |
| 247 | 238 |
| 248 | 239 |
| 249 static Object* Runtime_HasFunctionClass(Arguments args) { | 240 static Object* Runtime_HasFunctionClass(Arguments args) { |
| 250 return HasSpecificClassOf(args, Heap::function_class_symbol()); | 241 return Heap::ToBoolean( |
| 242 args[0]->HasSpecificClassOf(Heap::function_class_symbol())); |
| 251 } | 243 } |
| 252 | 244 |
| 253 | 245 |
| 254 static Object* Runtime_HasNumberClass(Arguments args) { | 246 static Object* Runtime_HasNumberClass(Arguments args) { |
| 255 return HasSpecificClassOf(args, Heap::Number_symbol()); | 247 return Heap::ToBoolean(args[0]->HasSpecificClassOf(Heap::Number_symbol())); |
| 256 } | 248 } |
| 257 | 249 |
| 258 | 250 |
| 259 static Object* Runtime_HasBooleanClass(Arguments args) { | 251 static Object* Runtime_HasBooleanClass(Arguments args) { |
| 260 return HasSpecificClassOf(args, Heap::Boolean_symbol()); | 252 return Heap::ToBoolean(args[0]->HasSpecificClassOf(Heap::Boolean_symbol())); |
| 261 } | 253 } |
| 262 | 254 |
| 263 | 255 |
| 264 static Object* Runtime_HasArgumentsClass(Arguments args) { | 256 static Object* Runtime_HasArgumentsClass(Arguments args) { |
| 265 return HasSpecificClassOf(args, Heap::Arguments_symbol()); | 257 return Heap::ToBoolean( |
| 258 args[0]->HasSpecificClassOf(Heap::Arguments_symbol())); |
| 266 } | 259 } |
| 267 | 260 |
| 268 | 261 |
| 269 static Object* Runtime_HasRegExpClass(Arguments args) { | 262 static Object* Runtime_HasRegExpClass(Arguments args) { |
| 270 return HasSpecificClassOf(args, Heap::RegExp_symbol()); | 263 return Heap::ToBoolean(args[0]->HasSpecificClassOf(Heap::RegExp_symbol())); |
| 271 } | 264 } |
| 272 | 265 |
| 273 | 266 |
| 274 static Object* Runtime_IsInPrototypeChain(Arguments args) { | 267 static Object* Runtime_IsInPrototypeChain(Arguments args) { |
| 275 NoHandleAllocation ha; | 268 NoHandleAllocation ha; |
| 276 ASSERT(args.length() == 2); | 269 ASSERT(args.length() == 2); |
| 277 // See ECMA-262, section 15.3.5.3, page 88 (steps 5 - 8). | 270 // See ECMA-262, section 15.3.5.3, page 88 (steps 5 - 8). |
| 278 Object* O = args[0]; | 271 Object* O = args[0]; |
| 279 Object* V = args[1]; | 272 Object* V = args[1]; |
| 280 while (true) { | 273 while (true) { |
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| 5484 | 5477 |
| 5485 void Runtime::PerformGC(Object* result) { | 5478 void Runtime::PerformGC(Object* result) { |
| 5486 Failure* failure = Failure::cast(result); | 5479 Failure* failure = Failure::cast(result); |
| 5487 // Try to do a garbage collection; ignore it if it fails. The C | 5480 // Try to do a garbage collection; ignore it if it fails. The C |
| 5488 // entry stub will throw an out-of-memory exception in that case. | 5481 // entry stub will throw an out-of-memory exception in that case. |
| 5489 Heap::CollectGarbage(failure->requested(), failure->allocation_space()); | 5482 Heap::CollectGarbage(failure->requested(), failure->allocation_space()); |
| 5490 } | 5483 } |
| 5491 | 5484 |
| 5492 | 5485 |
| 5493 } } // namespace v8::internal | 5486 } } // namespace v8::internal |
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