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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 |
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102 int chars, | 102 int chars, |
103 uint32_t hash_field) { | 103 uint32_t hash_field) { |
104 unibrow::Utf8InputBuffer<> buffer(str.start(), | 104 unibrow::Utf8InputBuffer<> buffer(str.start(), |
105 static_cast<unsigned>(str.length())); | 105 static_cast<unsigned>(str.length())); |
106 return AllocateInternalSymbol(&buffer, chars, hash_field); | 106 return AllocateInternalSymbol(&buffer, chars, hash_field); |
107 } | 107 } |
108 | 108 |
109 | 109 |
110 MaybeObject* Heap::AllocateAsciiSymbol(Vector<const char> str, | 110 MaybeObject* Heap::AllocateAsciiSymbol(Vector<const char> str, |
111 uint32_t hash_field) { | 111 uint32_t hash_field) { |
112 if (str.length() > SeqAsciiString::kMaxLength) { | 112 if (str.length() > SeqOneByteString::kMaxLength) { |
113 return Failure::OutOfMemoryException(); | 113 return Failure::OutOfMemoryException(); |
114 } | 114 } |
115 // Compute map and object size. | 115 // Compute map and object size. |
116 Map* map = ascii_symbol_map(); | 116 Map* map = ascii_symbol_map(); |
117 int size = SeqAsciiString::SizeFor(str.length()); | 117 int size = SeqOneByteString::SizeFor(str.length()); |
118 | 118 |
119 // Allocate string. | 119 // Allocate string. |
120 Object* result; | 120 Object* result; |
121 { MaybeObject* maybe_result = (size > Page::kMaxNonCodeHeapObjectSize) | 121 { MaybeObject* maybe_result = (size > Page::kMaxNonCodeHeapObjectSize) |
122 ? lo_space_->AllocateRaw(size, NOT_EXECUTABLE) | 122 ? lo_space_->AllocateRaw(size, NOT_EXECUTABLE) |
123 : old_data_space_->AllocateRaw(size); | 123 : old_data_space_->AllocateRaw(size); |
124 if (!maybe_result->ToObject(&result)) return maybe_result; | 124 if (!maybe_result->ToObject(&result)) return maybe_result; |
125 } | 125 } |
126 | 126 |
127 // String maps are all immortal immovable objects. | 127 // String maps are all immortal immovable objects. |
128 reinterpret_cast<HeapObject*>(result)->set_map_no_write_barrier(map); | 128 reinterpret_cast<HeapObject*>(result)->set_map_no_write_barrier(map); |
129 // Set length and hash fields of the allocated string. | 129 // Set length and hash fields of the allocated string. |
130 String* answer = String::cast(result); | 130 String* answer = String::cast(result); |
131 answer->set_length(str.length()); | 131 answer->set_length(str.length()); |
132 answer->set_hash_field(hash_field); | 132 answer->set_hash_field(hash_field); |
133 | 133 |
134 ASSERT_EQ(size, answer->Size()); | 134 ASSERT_EQ(size, answer->Size()); |
135 | 135 |
136 // Fill in the characters. | 136 // Fill in the characters. |
137 memcpy(answer->address() + SeqAsciiString::kHeaderSize, | 137 memcpy(answer->address() + SeqOneByteString::kHeaderSize, |
138 str.start(), str.length()); | 138 str.start(), str.length()); |
139 | 139 |
140 return answer; | 140 return answer; |
141 } | 141 } |
142 | 142 |
143 | 143 |
144 MaybeObject* Heap::AllocateTwoByteSymbol(Vector<const uc16> str, | 144 MaybeObject* Heap::AllocateTwoByteSymbol(Vector<const uc16> str, |
145 uint32_t hash_field) { | 145 uint32_t hash_field) { |
146 if (str.length() > SeqTwoByteString::kMaxLength) { | 146 if (str.length() > SeqTwoByteString::kMaxLength) { |
147 return Failure::OutOfMemoryException(); | 147 return Failure::OutOfMemoryException(); |
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804 AssertNoAllocation::~AssertNoAllocation() { } | 804 AssertNoAllocation::~AssertNoAllocation() { } |
805 DisableAssertNoAllocation::DisableAssertNoAllocation() { } | 805 DisableAssertNoAllocation::DisableAssertNoAllocation() { } |
806 DisableAssertNoAllocation::~DisableAssertNoAllocation() { } | 806 DisableAssertNoAllocation::~DisableAssertNoAllocation() { } |
807 | 807 |
808 #endif | 808 #endif |
809 | 809 |
810 | 810 |
811 } } // namespace v8::internal | 811 } } // namespace v8::internal |
812 | 812 |
813 #endif // V8_HEAP_INL_H_ | 813 #endif // V8_HEAP_INL_H_ |
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