OLD | NEW |
1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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 |
(...skipping 695 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
706 // Returns Failure::RetryAfterGC(requested_bytes, space) if the allocation | 706 // Returns Failure::RetryAfterGC(requested_bytes, space) if the allocation |
707 // failed. | 707 // failed. |
708 // If allocation_site is non-null, then a memento is emitted after the object | 708 // If allocation_site is non-null, then a memento is emitted after the object |
709 // that points to the site. | 709 // that points to the site. |
710 // Please note this does not perform a garbage collection. | 710 // Please note this does not perform a garbage collection. |
711 MUST_USE_RESULT MaybeObject* AllocateJSObject( | 711 MUST_USE_RESULT MaybeObject* AllocateJSObject( |
712 JSFunction* constructor, | 712 JSFunction* constructor, |
713 PretenureFlag pretenure = NOT_TENURED, | 713 PretenureFlag pretenure = NOT_TENURED, |
714 AllocationSite* allocation_site = NULL); | 714 AllocationSite* allocation_site = NULL); |
715 | 715 |
716 MUST_USE_RESULT MaybeObject* AllocateJSModule(Context* context, | |
717 ScopeInfo* scope_info); | |
718 | |
719 // Allocate a JSArray with no elements | |
720 MUST_USE_RESULT MaybeObject* AllocateEmptyJSArray( | |
721 ElementsKind elements_kind, | |
722 PretenureFlag pretenure = NOT_TENURED) { | |
723 return AllocateJSArrayAndStorage(elements_kind, 0, 0, | |
724 DONT_INITIALIZE_ARRAY_ELEMENTS, | |
725 pretenure); | |
726 } | |
727 | |
728 // Allocate a JSArray with a specified length but elements that are left | |
729 // uninitialized. | |
730 MUST_USE_RESULT MaybeObject* AllocateJSArrayAndStorage( | |
731 ElementsKind elements_kind, | |
732 int length, | |
733 int capacity, | |
734 ArrayStorageAllocationMode mode = DONT_INITIALIZE_ARRAY_ELEMENTS, | |
735 PretenureFlag pretenure = NOT_TENURED); | |
736 | |
737 MUST_USE_RESULT MaybeObject* AllocateJSArrayStorage( | 716 MUST_USE_RESULT MaybeObject* AllocateJSArrayStorage( |
738 JSArray* array, | 717 JSArray* array, |
739 int length, | 718 int length, |
740 int capacity, | 719 int capacity, |
741 ArrayStorageAllocationMode mode = DONT_INITIALIZE_ARRAY_ELEMENTS); | 720 ArrayStorageAllocationMode mode = DONT_INITIALIZE_ARRAY_ELEMENTS); |
742 | 721 |
743 // Returns a deep copy of the JavaScript object. | 722 // Returns a deep copy of the JavaScript object. |
744 // Properties and elements are copied too. | 723 // Properties and elements are copied too. |
745 // Returns failure if allocation failed. | 724 // Returns failure if allocation failed. |
746 // Optionally takes an AllocationSite to be appended in an AllocationMemento. | 725 // Optionally takes an AllocationSite to be appended in an AllocationMemento. |
747 MUST_USE_RESULT MaybeObject* CopyJSObject(JSObject* source, | 726 MUST_USE_RESULT MaybeObject* CopyJSObject(JSObject* source, |
748 AllocationSite* site = NULL); | 727 AllocationSite* site = NULL); |
749 | 728 |
750 // Allocates a JS ArrayBuffer object. | |
751 // Returns Failure::RetryAfterGC(requested_bytes, space) if the allocation | |
752 // failed. | |
753 // Please note this does not perform a garbage collection. | |
754 MUST_USE_RESULT MaybeObject* AllocateJSArrayBuffer(); | |
755 | |
756 // Allocates a Harmony proxy or function proxy. | 729 // Allocates a Harmony proxy or function proxy. |
757 // Returns Failure::RetryAfterGC(requested_bytes, space) if the allocation | 730 // Returns Failure::RetryAfterGC(requested_bytes, space) if the allocation |
758 // failed. | 731 // failed. |
759 // Please note this does not perform a garbage collection. | 732 // Please note this does not perform a garbage collection. |
760 MUST_USE_RESULT MaybeObject* AllocateJSProxy(Object* handler, | 733 MUST_USE_RESULT MaybeObject* AllocateJSProxy(Object* handler, |
761 Object* prototype); | 734 Object* prototype); |
762 | 735 |
763 MUST_USE_RESULT MaybeObject* AllocateJSFunctionProxy(Object* handler, | 736 MUST_USE_RESULT MaybeObject* AllocateJSFunctionProxy(Object* handler, |
764 Object* call_trap, | 737 Object* call_trap, |
765 Object* construct_trap, | 738 Object* construct_trap, |
(...skipping 1431 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
2197 NO_INLINE(void CreateJSEntryStub()); | 2170 NO_INLINE(void CreateJSEntryStub()); |
2198 NO_INLINE(void CreateJSConstructEntryStub()); | 2171 NO_INLINE(void CreateJSConstructEntryStub()); |
2199 | 2172 |
2200 void CreateFixedStubs(); | 2173 void CreateFixedStubs(); |
2201 | 2174 |
2202 MUST_USE_RESULT MaybeObject* CreateOddball(Map* map, | 2175 MUST_USE_RESULT MaybeObject* CreateOddball(Map* map, |
2203 const char* to_string, | 2176 const char* to_string, |
2204 Object* to_number, | 2177 Object* to_number, |
2205 byte kind); | 2178 byte kind); |
2206 | 2179 |
2207 // Allocate a JSArray with no elements | |
2208 MUST_USE_RESULT MaybeObject* AllocateJSArray( | |
2209 ElementsKind elements_kind, | |
2210 PretenureFlag pretenure = NOT_TENURED); | |
2211 | |
2212 // Allocate empty fixed array. | 2180 // Allocate empty fixed array. |
2213 MUST_USE_RESULT MaybeObject* AllocateEmptyFixedArray(); | 2181 MUST_USE_RESULT MaybeObject* AllocateEmptyFixedArray(); |
2214 | 2182 |
2215 // Allocate empty external array of given type. | 2183 // Allocate empty external array of given type. |
2216 MUST_USE_RESULT MaybeObject* AllocateEmptyExternalArray( | 2184 MUST_USE_RESULT MaybeObject* AllocateEmptyExternalArray( |
2217 ExternalArrayType array_type); | 2185 ExternalArrayType array_type); |
2218 | 2186 |
2219 // Allocate empty fixed typed array of given type. | 2187 // Allocate empty fixed typed array of given type. |
2220 MUST_USE_RESULT MaybeObject* AllocateEmptyFixedTypedArray( | 2188 MUST_USE_RESULT MaybeObject* AllocateEmptyFixedTypedArray( |
2221 ExternalArrayType array_type); | 2189 ExternalArrayType array_type); |
2222 | 2190 |
2223 // Allocate empty fixed double array. | 2191 // Allocate empty fixed double array. |
2224 MUST_USE_RESULT MaybeObject* AllocateEmptyFixedDoubleArray(); | 2192 MUST_USE_RESULT MaybeObject* AllocateEmptyFixedDoubleArray(); |
2225 | 2193 |
2226 // Allocate empty constant pool array. | 2194 // Allocate empty constant pool array. |
2227 MUST_USE_RESULT MaybeObject* AllocateEmptyConstantPoolArray(); | 2195 MUST_USE_RESULT MaybeObject* AllocateEmptyConstantPoolArray(); |
2228 | 2196 |
2229 // Allocate a tenured simple cell. | 2197 // Allocate a tenured simple cell. |
2230 MUST_USE_RESULT MaybeObject* AllocateCell(Object* value); | 2198 MUST_USE_RESULT MaybeObject* AllocateCell(Object* value); |
2231 | 2199 |
2232 // Allocate a tenured JS global property cell initialized with the hole. | 2200 // Allocate a tenured JS global property cell initialized with the hole. |
2233 MUST_USE_RESULT MaybeObject* AllocatePropertyCell(); | 2201 MUST_USE_RESULT MaybeObject* AllocatePropertyCell(); |
2234 | 2202 |
2235 // Allocate Box. | |
2236 MUST_USE_RESULT MaybeObject* AllocateBox(Object* value, | |
2237 PretenureFlag pretenure); | |
2238 | |
2239 // Performs a minor collection in new generation. | 2203 // Performs a minor collection in new generation. |
2240 void Scavenge(); | 2204 void Scavenge(); |
2241 | 2205 |
2242 // Commits from space if it is uncommitted. | 2206 // Commits from space if it is uncommitted. |
2243 void EnsureFromSpaceIsCommitted(); | 2207 void EnsureFromSpaceIsCommitted(); |
2244 | 2208 |
2245 // Uncommit unused semi space. | 2209 // Uncommit unused semi space. |
2246 bool UncommitFromSpace() { return new_space_.UncommitFromSpace(); } | 2210 bool UncommitFromSpace() { return new_space_.UncommitFromSpace(); } |
2247 | 2211 |
2248 // Fill in bogus values in from space | 2212 // Fill in bogus values in from space |
(...skipping 876 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
3125 DisallowHeapAllocation no_allocation; // i.e. no gc allowed. | 3089 DisallowHeapAllocation no_allocation; // i.e. no gc allowed. |
3126 | 3090 |
3127 private: | 3091 private: |
3128 DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer); | 3092 DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer); |
3129 }; | 3093 }; |
3130 #endif // DEBUG | 3094 #endif // DEBUG |
3131 | 3095 |
3132 } } // namespace v8::internal | 3096 } } // namespace v8::internal |
3133 | 3097 |
3134 #endif // V8_HEAP_H_ | 3098 #endif // V8_HEAP_H_ |
OLD | NEW |