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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include <stdlib.h> | 5 #include <stdlib.h> |
6 | 6 |
7 #include "src/v8.h" | 7 #include "src/v8.h" |
8 | 8 |
9 #include "src/ast.h" | 9 #include "src/ast.h" |
10 #include "src/base/platform/platform.h" | 10 #include "src/base/platform/platform.h" |
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2046 ASSERT(entry_stack_ != NULL); | 2046 ASSERT(entry_stack_ != NULL); |
2047 ASSERT(entry_stack_->previous_thread_data == NULL || | 2047 ASSERT(entry_stack_->previous_thread_data == NULL || |
2048 entry_stack_->previous_thread_data->thread_id().Equals( | 2048 entry_stack_->previous_thread_data->thread_id().Equals( |
2049 ThreadId::Current())); | 2049 ThreadId::Current())); |
2050 // Same thread re-enters the isolate, no need to re-init anything. | 2050 // Same thread re-enters the isolate, no need to re-init anything. |
2051 entry_stack_->entry_count++; | 2051 entry_stack_->entry_count++; |
2052 return; | 2052 return; |
2053 } | 2053 } |
2054 } | 2054 } |
2055 | 2055 |
2056 // Threads can have default isolate set into TLS as Current but not yet have | |
2057 // PerIsolateThreadData for it, as it requires more advanced phase of the | |
2058 // initialization. For example, a thread might be the one that system used for | |
2059 // static initializers - in this case the default isolate is set in TLS but | |
2060 // the thread did not yet Enter the isolate. If PerisolateThreadData is not | |
2061 // there, use the isolate set in TLS. | |
2062 if (current_isolate == NULL) { | |
2063 current_isolate = Isolate::UncheckedCurrent(); | |
2064 } | |
2065 | |
2066 PerIsolateThreadData* data = FindOrAllocatePerThreadDataForThisThread(); | 2056 PerIsolateThreadData* data = FindOrAllocatePerThreadDataForThisThread(); |
2067 ASSERT(data != NULL); | 2057 ASSERT(data != NULL); |
2068 ASSERT(data->isolate_ == this); | 2058 ASSERT(data->isolate_ == this); |
2069 | 2059 |
2070 EntryStackItem* item = new EntryStackItem(current_data, | 2060 EntryStackItem* item = new EntryStackItem(current_data, |
2071 current_isolate, | 2061 current_isolate, |
2072 entry_stack_); | 2062 entry_stack_); |
2073 entry_stack_ = item; | 2063 entry_stack_ = item; |
2074 | 2064 |
2075 SetIsolateThreadLocals(this, data); | 2065 SetIsolateThreadLocals(this, data); |
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2379 if (prev_ && prev_->Intercept(flag)) return true; | 2369 if (prev_ && prev_->Intercept(flag)) return true; |
2380 // Then check whether this scope intercepts. | 2370 // Then check whether this scope intercepts. |
2381 if ((flag & intercept_mask_)) { | 2371 if ((flag & intercept_mask_)) { |
2382 intercepted_flags_ |= flag; | 2372 intercepted_flags_ |= flag; |
2383 return true; | 2373 return true; |
2384 } | 2374 } |
2385 return false; | 2375 return false; |
2386 } | 2376 } |
2387 | 2377 |
2388 } } // namespace v8::internal | 2378 } } // namespace v8::internal |
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