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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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81 Heap* heap = isolate_->heap(); | 81 Heap* heap = isolate_->heap(); |
82 if (heap->natives_source_cache()->get(index)->IsUndefined()) { | 82 if (heap->natives_source_cache()->get(index)->IsUndefined()) { |
83 // We can use external strings for the natives. | 83 // We can use external strings for the natives. |
84 Vector<const char> source = Natives::GetRawScriptSource(index); | 84 Vector<const char> source = Natives::GetRawScriptSource(index); |
85 NativesExternalStringResource* resource = | 85 NativesExternalStringResource* resource = |
86 new NativesExternalStringResource(this, | 86 new NativesExternalStringResource(this, |
87 source.start(), | 87 source.start(), |
88 source.length()); | 88 source.length()); |
89 Handle<String> source_code = | 89 Handle<String> source_code = |
90 isolate_->factory()->NewExternalStringFromAscii(resource); | 90 isolate_->factory()->NewExternalStringFromAscii(resource); |
91 // We do not expect this to throw an exception. Change this if it does. | |
92 CHECK_NOT_EMPTY_HANDLE(isolate_, source_code); | |
93 heap->natives_source_cache()->set(index, *source_code); | 91 heap->natives_source_cache()->set(index, *source_code); |
94 } | 92 } |
95 Handle<Object> cached_source(heap->natives_source_cache()->get(index), | 93 Handle<Object> cached_source(heap->natives_source_cache()->get(index), |
96 isolate_); | 94 isolate_); |
97 return Handle<String>::cast(cached_source); | 95 return Handle<String>::cast(cached_source); |
98 } | 96 } |
99 | 97 |
100 | 98 |
101 void Bootstrapper::Initialize(bool create_heap_objects) { | 99 void Bootstrapper::Initialize(bool create_heap_objects) { |
102 extensions_cache_.Initialize(isolate_, create_heap_objects); | 100 extensions_cache_.Initialize(isolate_, create_heap_objects); |
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1458 return CompileNative(isolate, name, source_code); | 1456 return CompileNative(isolate, name, source_code); |
1459 } | 1457 } |
1460 | 1458 |
1461 | 1459 |
1462 bool Genesis::CompileExperimentalBuiltin(Isolate* isolate, int index) { | 1460 bool Genesis::CompileExperimentalBuiltin(Isolate* isolate, int index) { |
1463 Vector<const char> name = ExperimentalNatives::GetScriptName(index); | 1461 Vector<const char> name = ExperimentalNatives::GetScriptName(index); |
1464 Factory* factory = isolate->factory(); | 1462 Factory* factory = isolate->factory(); |
1465 Handle<String> source_code = | 1463 Handle<String> source_code = |
1466 factory->NewStringFromAscii( | 1464 factory->NewStringFromAscii( |
1467 ExperimentalNatives::GetRawScriptSource(index)); | 1465 ExperimentalNatives::GetRawScriptSource(index)); |
1468 RETURN_IF_EMPTY_HANDLE_VALUE(isolate, source_code, false); | |
1469 return CompileNative(isolate, name, source_code); | 1466 return CompileNative(isolate, name, source_code); |
1470 } | 1467 } |
1471 | 1468 |
1472 | 1469 |
1473 bool Genesis::CompileNative(Isolate* isolate, | 1470 bool Genesis::CompileNative(Isolate* isolate, |
1474 Vector<const char> name, | 1471 Vector<const char> name, |
1475 Handle<String> source) { | 1472 Handle<String> source) { |
1476 HandleScope scope(isolate); | 1473 HandleScope scope(isolate); |
1477 #ifdef ENABLE_DEBUGGER_SUPPORT | 1474 #ifdef ENABLE_DEBUGGER_SUPPORT |
1478 isolate->debugger()->set_compiling_natives(true); | 1475 isolate->debugger()->set_compiling_natives(true); |
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1508 bool use_runtime_context) { | 1505 bool use_runtime_context) { |
1509 Factory* factory = isolate->factory(); | 1506 Factory* factory = isolate->factory(); |
1510 HandleScope scope(isolate); | 1507 HandleScope scope(isolate); |
1511 Handle<SharedFunctionInfo> function_info; | 1508 Handle<SharedFunctionInfo> function_info; |
1512 | 1509 |
1513 // If we can't find the function in the cache, we compile a new | 1510 // If we can't find the function in the cache, we compile a new |
1514 // function and insert it into the cache. | 1511 // function and insert it into the cache. |
1515 if (cache == NULL || !cache->Lookup(name, &function_info)) { | 1512 if (cache == NULL || !cache->Lookup(name, &function_info)) { |
1516 ASSERT(source->IsOneByteRepresentation()); | 1513 ASSERT(source->IsOneByteRepresentation()); |
1517 Handle<String> script_name = factory->NewStringFromUtf8(name); | 1514 Handle<String> script_name = factory->NewStringFromUtf8(name); |
1518 ASSERT(!script_name.is_null()); | |
1519 function_info = Compiler::CompileScript( | 1515 function_info = Compiler::CompileScript( |
1520 source, | 1516 source, |
1521 script_name, | 1517 script_name, |
1522 0, | 1518 0, |
1523 0, | 1519 0, |
1524 false, | 1520 false, |
1525 top_context, | 1521 top_context, |
1526 extension, | 1522 extension, |
1527 NULL, | 1523 NULL, |
1528 NO_CACHED_DATA, | 1524 NO_CACHED_DATA, |
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2077 Factory* factory = isolate->factory(); | 2073 Factory* factory = isolate->factory(); |
2078 Handle<GlobalObject> global(native_context->global_object()); | 2074 Handle<GlobalObject> global(native_context->global_object()); |
2079 const char* period_pos = strchr(holder_expr, '.'); | 2075 const char* period_pos = strchr(holder_expr, '.'); |
2080 if (period_pos == NULL) { | 2076 if (period_pos == NULL) { |
2081 return Handle<JSObject>::cast(GetProperty( | 2077 return Handle<JSObject>::cast(GetProperty( |
2082 isolate, global, factory->InternalizeUtf8String(holder_expr))); | 2078 isolate, global, factory->InternalizeUtf8String(holder_expr))); |
2083 } | 2079 } |
2084 ASSERT_EQ(".prototype", period_pos); | 2080 ASSERT_EQ(".prototype", period_pos); |
2085 Vector<const char> property(holder_expr, | 2081 Vector<const char> property(holder_expr, |
2086 static_cast<int>(period_pos - holder_expr)); | 2082 static_cast<int>(period_pos - holder_expr)); |
2087 Handle<String> property_string = factory->InternalizeUtf8String(property); | |
2088 ASSERT(!property_string.is_null()); | |
2089 Handle<JSFunction> function = Handle<JSFunction>::cast( | 2083 Handle<JSFunction> function = Handle<JSFunction>::cast( |
2090 GetProperty(isolate, global, property_string)); | 2084 GetProperty(isolate, global, factory->InternalizeUtf8String(property))); |
2091 return Handle<JSObject>(JSObject::cast(function->prototype())); | 2085 return Handle<JSObject>(JSObject::cast(function->prototype())); |
2092 } | 2086 } |
2093 | 2087 |
2094 | 2088 |
2095 static void InstallBuiltinFunctionId(Handle<JSObject> holder, | 2089 static void InstallBuiltinFunctionId(Handle<JSObject> holder, |
2096 const char* function_name, | 2090 const char* function_name, |
2097 BuiltinFunctionId id) { | 2091 BuiltinFunctionId id) { |
2098 Factory* factory = holder->GetIsolate()->factory(); | 2092 Factory* factory = holder->GetIsolate()->factory(); |
2099 Handle<String> name = factory->InternalizeUtf8String(function_name); | 2093 Handle<String> name = factory->InternalizeUtf8String(function_name); |
2100 Object* function_object = holder->GetProperty(*name)->ToObjectUnchecked(); | 2094 Object* function_object = holder->GetProperty(*name)->ToObjectUnchecked(); |
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2348 // Install the extension's dependencies | 2342 // Install the extension's dependencies |
2349 for (int i = 0; i < extension->dependency_count(); i++) { | 2343 for (int i = 0; i < extension->dependency_count(); i++) { |
2350 if (!InstallExtension(isolate, | 2344 if (!InstallExtension(isolate, |
2351 extension->dependencies()[i], | 2345 extension->dependencies()[i], |
2352 extension_states)) { | 2346 extension_states)) { |
2353 return false; | 2347 return false; |
2354 } | 2348 } |
2355 } | 2349 } |
2356 Handle<String> source_code = | 2350 Handle<String> source_code = |
2357 isolate->factory()->NewExternalStringFromAscii(extension->source()); | 2351 isolate->factory()->NewExternalStringFromAscii(extension->source()); |
2358 // We do not expect this to throw an exception. Change this if it does. | |
2359 CHECK_NOT_EMPTY_HANDLE(isolate, source_code); | |
2360 bool result = CompileScriptCached(isolate, | 2352 bool result = CompileScriptCached(isolate, |
2361 CStrVector(extension->name()), | 2353 CStrVector(extension->name()), |
2362 source_code, | 2354 source_code, |
2363 isolate->bootstrapper()->extensions_cache(), | 2355 isolate->bootstrapper()->extensions_cache(), |
2364 extension, | 2356 extension, |
2365 Handle<Context>(isolate->context()), | 2357 Handle<Context>(isolate->context()), |
2366 false); | 2358 false); |
2367 ASSERT(isolate->has_pending_exception() != result); | 2359 ASSERT(isolate->has_pending_exception() != result); |
2368 if (!result) { | 2360 if (!result) { |
2369 // We print out the name of the extension that fail to install. | 2361 // We print out the name of the extension that fail to install. |
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2755 return from + sizeof(NestingCounterType); | 2747 return from + sizeof(NestingCounterType); |
2756 } | 2748 } |
2757 | 2749 |
2758 | 2750 |
2759 // Called when the top-level V8 mutex is destroyed. | 2751 // Called when the top-level V8 mutex is destroyed. |
2760 void Bootstrapper::FreeThreadResources() { | 2752 void Bootstrapper::FreeThreadResources() { |
2761 ASSERT(!IsActive()); | 2753 ASSERT(!IsActive()); |
2762 } | 2754 } |
2763 | 2755 |
2764 } } // namespace v8::internal | 2756 } } // namespace v8::internal |
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