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