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 101 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
112 #endif | 112 #endif |
113 } | 113 } |
114 | 114 |
115 | 115 |
116 void V8::SetReturnAddressLocationResolver( | 116 void V8::SetReturnAddressLocationResolver( |
117 ReturnAddressLocationResolver resolver) { | 117 ReturnAddressLocationResolver resolver) { |
118 StackFrame::SetReturnAddressLocationResolver(resolver); | 118 StackFrame::SetReturnAddressLocationResolver(resolver); |
119 } | 119 } |
120 | 120 |
121 | 121 |
| 122 // Used by JavaScript APIs |
| 123 uint32_t V8::Random(Context* context) { |
| 124 ASSERT(context->IsNativeContext()); |
| 125 ByteArray* seed = context->random_seed(); |
| 126 uint32_t* state = reinterpret_cast<uint32_t*>(seed->GetDataStartAddress()); |
| 127 |
| 128 // When we get here, the RNG must have been initialized, |
| 129 // see the Genesis constructor in file bootstrapper.cc. |
| 130 ASSERT_NE(0, state[0]); |
| 131 ASSERT_NE(0, state[1]); |
| 132 |
| 133 // Mix the bits. Never replaces state[i] with 0 if it is nonzero. |
| 134 state[0] = 18273 * (state[0] & 0xFFFF) + (state[0] >> 16); |
| 135 state[1] = 36969 * (state[1] & 0xFFFF) + (state[1] >> 16); |
| 136 |
| 137 return (state[0] << 14) + (state[1] & 0x3FFFF); |
| 138 } |
| 139 |
| 140 |
122 void V8::AddCallCompletedCallback(CallCompletedCallback callback) { | 141 void V8::AddCallCompletedCallback(CallCompletedCallback callback) { |
123 if (call_completed_callbacks_ == NULL) { // Lazy init. | 142 if (call_completed_callbacks_ == NULL) { // Lazy init. |
124 call_completed_callbacks_ = new List<CallCompletedCallback>(); | 143 call_completed_callbacks_ = new List<CallCompletedCallback>(); |
125 } | 144 } |
126 for (int i = 0; i < call_completed_callbacks_->length(); i++) { | 145 for (int i = 0; i < call_completed_callbacks_->length(); i++) { |
127 if (callback == call_completed_callbacks_->at(i)) return; | 146 if (callback == call_completed_callbacks_->at(i)) return; |
128 } | 147 } |
129 call_completed_callbacks_->Add(callback); | 148 call_completed_callbacks_->Add(callback); |
130 } | 149 } |
131 | 150 |
(...skipping 69 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
201 platform_ = NULL; | 220 platform_ = NULL; |
202 } | 221 } |
203 | 222 |
204 | 223 |
205 v8::Platform* V8::GetCurrentPlatform() { | 224 v8::Platform* V8::GetCurrentPlatform() { |
206 ASSERT(platform_); | 225 ASSERT(platform_); |
207 return platform_; | 226 return platform_; |
208 } | 227 } |
209 | 228 |
210 } } // namespace v8::internal | 229 } } // namespace v8::internal |
OLD | NEW |