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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 "src/api.h" | 5 #include "src/api.h" |
6 | 6 |
7 #include <string.h> // For memcpy, strlen. | 7 #include <string.h> // For memcpy, strlen. |
8 #ifdef V8_USE_ADDRESS_SANITIZER | 8 #ifdef V8_USE_ADDRESS_SANITIZER |
9 #include <sanitizer/asan_interface.h> | 9 #include <sanitizer/asan_interface.h> |
10 #endif // V8_USE_ADDRESS_SANITIZER | 10 #endif // V8_USE_ADDRESS_SANITIZER |
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1839 } | 1839 } |
1840 | 1840 |
1841 | 1841 |
1842 MaybeLocal<Value> Script::Run(Local<Context> context) { | 1842 MaybeLocal<Value> Script::Run(Local<Context> context) { |
1843 PREPARE_FOR_EXECUTION_WITH_CALLBACK(context, Script, Run, Value) | 1843 PREPARE_FOR_EXECUTION_WITH_CALLBACK(context, Script, Run, Value) |
1844 i::HistogramTimerScope execute_timer(isolate->counters()->execute(), true); | 1844 i::HistogramTimerScope execute_timer(isolate->counters()->execute(), true); |
1845 i::AggregatingHistogramTimerScope timer(isolate->counters()->compile_lazy()); | 1845 i::AggregatingHistogramTimerScope timer(isolate->counters()->compile_lazy()); |
1846 i::TimerEventScope<i::TimerEventExecute> timer_scope(isolate); | 1846 i::TimerEventScope<i::TimerEventExecute> timer_scope(isolate); |
1847 TRACE_EVENT_CALL_STATS_SCOPED(isolate, "v8", "V8.Execute"); | 1847 TRACE_EVENT_CALL_STATS_SCOPED(isolate, "v8", "V8.Execute"); |
1848 auto fun = i::Handle<i::JSFunction>::cast(Utils::OpenHandle(this)); | 1848 auto fun = i::Handle<i::JSFunction>::cast(Utils::OpenHandle(this)); |
1849 i::Handle<i::Object> receiver = isolate->global_proxy(); | 1849 |
| 1850 i::Handle<i::Object> receiver; |
1850 Local<Value> result; | 1851 Local<Value> result; |
1851 has_pending_exception = | 1852 |
1852 !ToLocal<Value>(i::Execution::Call(isolate, fun, receiver, 0, NULL), | 1853 if (fun->shared()->scope_info()->scope_type() == i::MODULE_SCOPE) { |
1853 &result); | 1854 receiver = isolate->factory()->undefined_value(); |
| 1855 i::Handle<i::Object> argv[] = { |
| 1856 handle(isolate->native_context()->current_module())}; |
| 1857 has_pending_exception = !ToLocal<Value>( |
| 1858 i::Execution::Call(isolate, fun, receiver, 1, argv), &result); |
| 1859 } else { |
| 1860 receiver = isolate->global_proxy(); |
| 1861 has_pending_exception = !ToLocal<Value>( |
| 1862 i::Execution::Call(isolate, fun, receiver, 0, nullptr), &result); |
| 1863 } |
| 1864 |
1854 RETURN_ON_FAILED_EXECUTION(Value); | 1865 RETURN_ON_FAILED_EXECUTION(Value); |
1855 RETURN_ESCAPED(result); | 1866 RETURN_ESCAPED(result); |
1856 } | 1867 } |
1857 | 1868 |
1858 | 1869 |
1859 Local<Value> Script::Run() { | 1870 Local<Value> Script::Run() { |
1860 auto self = Utils::OpenHandle(this, true); | 1871 auto self = Utils::OpenHandle(this, true); |
1861 // If execution is terminating, Compile(..)->Run() requires this | 1872 // If execution is terminating, Compile(..)->Run() requires this |
1862 // check. | 1873 // check. |
1863 if (self.is_null()) return Local<Value>(); | 1874 if (self.is_null()) return Local<Value>(); |
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1984 | 1995 |
1985 | 1996 |
1986 MaybeLocal<Script> ScriptCompiler::CompileModule(Local<Context> context, | 1997 MaybeLocal<Script> ScriptCompiler::CompileModule(Local<Context> context, |
1987 Source* source, | 1998 Source* source, |
1988 CompileOptions options) { | 1999 CompileOptions options) { |
1989 auto isolate = context->GetIsolate(); | 2000 auto isolate = context->GetIsolate(); |
1990 auto maybe = CompileUnboundInternal(isolate, source, options, true); | 2001 auto maybe = CompileUnboundInternal(isolate, source, options, true); |
1991 Local<UnboundScript> generic; | 2002 Local<UnboundScript> generic; |
1992 if (!maybe.ToLocal(&generic)) return MaybeLocal<Script>(); | 2003 if (!maybe.ToLocal(&generic)) return MaybeLocal<Script>(); |
1993 v8::Context::Scope scope(context); | 2004 v8::Context::Scope scope(context); |
1994 return generic->BindToCurrentContext(); | 2005 auto result = generic->BindToCurrentContext(); |
| 2006 |
| 2007 i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate); |
| 2008 i::Handle<i::JSModule> module = i_isolate->factory()->NewJSModule(); |
| 2009 // TODO(neis): Storing the module into the native context is a temporary hack |
| 2010 // to pass it to the Script::Run function. This will be removed once we |
| 2011 // support modules in the API. |
| 2012 i_isolate->native_context()->set_current_module(*module); |
| 2013 |
| 2014 i::Handle<i::SharedFunctionInfo> shared = |
| 2015 i::Handle<i::SharedFunctionInfo>::cast(Utils::OpenHandle(*generic)); |
| 2016 i::Handle<i::FixedArray> regular_exports = |
| 2017 i::handle(shared->scope_info()->ModuleDescriptorInfo()->regular_exports(), |
| 2018 i_isolate); |
| 2019 // TODO(neis): This will create multiple cells for the same local variable if |
| 2020 // exported under multiple names, which is wrong but cannot be observed at the |
| 2021 // moment. This will be fixed by doing the full-fledged linking here once we |
| 2022 // get there. |
| 2023 for (int i = 0; i < regular_exports->length(); ++i) { |
| 2024 i::Handle<i::ModuleInfoEntry> entry = |
| 2025 i::handle(i::ModuleInfoEntry::cast(regular_exports->get(i)), i_isolate); |
| 2026 DCHECK(entry->import_name()->IsUndefined(i_isolate)); |
| 2027 i::Handle<i::String> export_name = |
| 2028 handle(i::String::cast(entry->export_name()), i_isolate); |
| 2029 i::JSModule::CreateExport(module, export_name); |
| 2030 } |
| 2031 |
| 2032 return result; |
1995 } | 2033 } |
1996 | 2034 |
1997 | 2035 |
1998 class IsIdentifierHelper { | 2036 class IsIdentifierHelper { |
1999 public: | 2037 public: |
2000 IsIdentifierHelper() : is_identifier_(false), first_char_(true) {} | 2038 IsIdentifierHelper() : is_identifier_(false), first_char_(true) {} |
2001 | 2039 |
2002 bool Check(i::String* string) { | 2040 bool Check(i::String* string) { |
2003 i::ConsString* cons_string = i::String::VisitFlat(this, string, 0); | 2041 i::ConsString* cons_string = i::String::VisitFlat(this, string, 0); |
2004 if (cons_string == NULL) return is_identifier_; | 2042 if (cons_string == NULL) return is_identifier_; |
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9243 Address callback_address = | 9281 Address callback_address = |
9244 reinterpret_cast<Address>(reinterpret_cast<intptr_t>(callback)); | 9282 reinterpret_cast<Address>(reinterpret_cast<intptr_t>(callback)); |
9245 VMState<EXTERNAL> state(isolate); | 9283 VMState<EXTERNAL> state(isolate); |
9246 ExternalCallbackScope call_scope(isolate, callback_address); | 9284 ExternalCallbackScope call_scope(isolate, callback_address); |
9247 callback(info); | 9285 callback(info); |
9248 } | 9286 } |
9249 | 9287 |
9250 | 9288 |
9251 } // namespace internal | 9289 } // namespace internal |
9252 } // namespace v8 | 9290 } // namespace v8 |
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