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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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51 #include "src/property.h" | 51 #include "src/property.h" |
52 #include "src/property-descriptor.h" | 52 #include "src/property-descriptor.h" |
53 #include "src/property-details.h" | 53 #include "src/property-details.h" |
54 #include "src/prototype.h" | 54 #include "src/prototype.h" |
55 #include "src/runtime/runtime.h" | 55 #include "src/runtime/runtime.h" |
56 #include "src/runtime-profiler.h" | 56 #include "src/runtime-profiler.h" |
57 #include "src/simulator.h" | 57 #include "src/simulator.h" |
58 #include "src/snapshot/natives.h" | 58 #include "src/snapshot/natives.h" |
59 #include "src/snapshot/snapshot.h" | 59 #include "src/snapshot/snapshot.h" |
60 #include "src/startup-data-util.h" | 60 #include "src/startup-data-util.h" |
| 61 #include "src/tracing/trace-event.h" |
61 #include "src/unicode-inl.h" | 62 #include "src/unicode-inl.h" |
62 #include "src/v8.h" | 63 #include "src/v8.h" |
63 #include "src/v8threads.h" | 64 #include "src/v8threads.h" |
64 #include "src/version.h" | 65 #include "src/version.h" |
65 #include "src/vm-state-inl.h" | 66 #include "src/vm-state-inl.h" |
66 | 67 |
67 | 68 |
68 namespace v8 { | 69 namespace v8 { |
69 | 70 |
70 #define LOG_API(isolate, expr) LOG(isolate, ApiEntryCall(expr)) | 71 #define LOG_API(isolate, expr) LOG(isolate, ApiEntryCall(expr)) |
71 | 72 |
72 | 73 |
73 #define ENTER_V8(isolate) i::VMState<v8::OTHER> __state__((isolate)) | 74 #define ENTER_V8(isolate) i::VMState<v8::OTHER> __state__((isolate)) |
74 | 75 |
75 | 76 |
76 #define PREPARE_FOR_EXECUTION_GENERIC(isolate, context, function_name, \ | 77 #define PREPARE_FOR_EXECUTION_GENERIC(isolate, context, function_name, \ |
77 bailout_value, HandleScopeClass, \ | 78 bailout_value, HandleScopeClass, \ |
78 do_callback) \ | 79 do_callback) \ |
79 if (IsExecutionTerminatingCheck(isolate)) { \ | 80 if (IsExecutionTerminatingCheck(isolate)) { \ |
80 return bailout_value; \ | 81 return bailout_value; \ |
81 } \ | 82 } \ |
| 83 TRACE_EVENT_SCOPED_CONTEXT("v8", "Isolate", isolate); \ |
82 HandleScopeClass handle_scope(isolate); \ | 84 HandleScopeClass handle_scope(isolate); \ |
83 CallDepthScope call_depth_scope(isolate, context, do_callback); \ | 85 CallDepthScope call_depth_scope(isolate, context, do_callback); \ |
84 LOG_API(isolate, function_name); \ | 86 LOG_API(isolate, function_name); \ |
85 ENTER_V8(isolate); \ | 87 ENTER_V8(isolate); \ |
86 bool has_pending_exception = false | 88 bool has_pending_exception = false |
87 | 89 |
88 | 90 |
89 #define PREPARE_FOR_EXECUTION_WITH_CONTEXT( \ | 91 #define PREPARE_FOR_EXECUTION_WITH_CONTEXT( \ |
90 context, function_name, bailout_value, HandleScopeClass, do_callback) \ | 92 context, function_name, bailout_value, HandleScopeClass, do_callback) \ |
91 auto isolate = context.IsEmpty() \ | 93 auto isolate = context.IsEmpty() \ |
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188 Local<Context> context_; | 190 Local<Context> context_; |
189 bool escaped_; | 191 bool escaped_; |
190 bool do_callback_; | 192 bool do_callback_; |
191 }; | 193 }; |
192 | 194 |
193 } // namespace | 195 } // namespace |
194 | 196 |
195 | 197 |
196 static ScriptOrigin GetScriptOriginForScript(i::Isolate* isolate, | 198 static ScriptOrigin GetScriptOriginForScript(i::Isolate* isolate, |
197 i::Handle<i::Script> script) { | 199 i::Handle<i::Script> script) { |
| 200 TRACE_EVENT_SCOPED_CONTEXT("v8", "Isolate", isolate); |
198 i::Handle<i::Object> scriptName(i::Script::GetNameOrSourceURL(script)); | 201 i::Handle<i::Object> scriptName(i::Script::GetNameOrSourceURL(script)); |
199 i::Handle<i::Object> source_map_url(script->source_mapping_url(), isolate); | 202 i::Handle<i::Object> source_map_url(script->source_mapping_url(), isolate); |
200 v8::Isolate* v8_isolate = | 203 v8::Isolate* v8_isolate = |
201 reinterpret_cast<v8::Isolate*>(script->GetIsolate()); | 204 reinterpret_cast<v8::Isolate*>(script->GetIsolate()); |
202 ScriptOriginOptions options(script->origin_options()); | 205 ScriptOriginOptions options(script->origin_options()); |
203 v8::ScriptOrigin origin( | 206 v8::ScriptOrigin origin( |
204 Utils::ToLocal(scriptName), | 207 Utils::ToLocal(scriptName), |
205 v8::Integer::New(v8_isolate, script->line_offset()), | 208 v8::Integer::New(v8_isolate, script->line_offset()), |
206 v8::Integer::New(v8_isolate, script->column_offset()), | 209 v8::Integer::New(v8_isolate, script->column_offset()), |
207 v8::Boolean::New(v8_isolate, options.IsSharedCrossOrigin()), | 210 v8::Boolean::New(v8_isolate, options.IsSharedCrossOrigin()), |
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366 }; | 369 }; |
367 | 370 |
368 } // namespace | 371 } // namespace |
369 | 372 |
370 | 373 |
371 StartupData V8::CreateSnapshotDataBlob(const char* custom_source) { | 374 StartupData V8::CreateSnapshotDataBlob(const char* custom_source) { |
372 i::Isolate* internal_isolate = new i::Isolate(true); | 375 i::Isolate* internal_isolate = new i::Isolate(true); |
373 ArrayBufferAllocator allocator; | 376 ArrayBufferAllocator allocator; |
374 internal_isolate->set_array_buffer_allocator(&allocator); | 377 internal_isolate->set_array_buffer_allocator(&allocator); |
375 Isolate* isolate = reinterpret_cast<Isolate*>(internal_isolate); | 378 Isolate* isolate = reinterpret_cast<Isolate*>(internal_isolate); |
| 379 TRACE_EVENT_SCOPED_CONTEXT("v8", "Isolate", isolate); |
376 StartupData result = {NULL, 0}; | 380 StartupData result = {NULL, 0}; |
377 { | 381 { |
378 base::ElapsedTimer timer; | 382 base::ElapsedTimer timer; |
379 timer.Start(); | 383 timer.Start(); |
380 Isolate::Scope isolate_scope(isolate); | 384 Isolate::Scope isolate_scope(isolate); |
381 internal_isolate->Init(NULL); | 385 internal_isolate->Init(NULL); |
382 Persistent<Context> context; | 386 Persistent<Context> context; |
383 i::Snapshot::Metadata metadata; | 387 i::Snapshot::Metadata metadata; |
384 { | 388 { |
385 HandleScope handle_scope(isolate); | 389 HandleScope handle_scope(isolate); |
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1843 auto context = v8_isolate->GetCurrentContext(); | 1847 auto context = v8_isolate->GetCurrentContext(); |
1844 RETURN_TO_LOCAL_UNCHECKED(Compile(context, source, options), Script); | 1848 RETURN_TO_LOCAL_UNCHECKED(Compile(context, source, options), Script); |
1845 } | 1849 } |
1846 | 1850 |
1847 | 1851 |
1848 MaybeLocal<Script> ScriptCompiler::CompileModule(Local<Context> context, | 1852 MaybeLocal<Script> ScriptCompiler::CompileModule(Local<Context> context, |
1849 Source* source, | 1853 Source* source, |
1850 CompileOptions options) { | 1854 CompileOptions options) { |
1851 CHECK(i::FLAG_harmony_modules); | 1855 CHECK(i::FLAG_harmony_modules); |
1852 auto isolate = context->GetIsolate(); | 1856 auto isolate = context->GetIsolate(); |
| 1857 TRACE_EVENT_SCOPED_CONTEXT("V8", "Isolate", isolate); |
1853 auto maybe = CompileUnboundInternal(isolate, source, options, true); | 1858 auto maybe = CompileUnboundInternal(isolate, source, options, true); |
1854 Local<UnboundScript> generic; | 1859 Local<UnboundScript> generic; |
1855 if (!maybe.ToLocal(&generic)) return MaybeLocal<Script>(); | 1860 if (!maybe.ToLocal(&generic)) return MaybeLocal<Script>(); |
1856 v8::Context::Scope scope(context); | 1861 v8::Context::Scope scope(context); |
1857 return generic->BindToCurrentContext(); | 1862 return generic->BindToCurrentContext(); |
1858 } | 1863 } |
1859 | 1864 |
1860 | 1865 |
1861 class IsIdentifierHelper { | 1866 class IsIdentifierHelper { |
1862 public: | 1867 public: |
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2269 void v8::TryCatch::SetCaptureMessage(bool value) { | 2274 void v8::TryCatch::SetCaptureMessage(bool value) { |
2270 capture_message_ = value; | 2275 capture_message_ = value; |
2271 } | 2276 } |
2272 | 2277 |
2273 | 2278 |
2274 // --- M e s s a g e --- | 2279 // --- M e s s a g e --- |
2275 | 2280 |
2276 | 2281 |
2277 Local<String> Message::Get() const { | 2282 Local<String> Message::Get() const { |
2278 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 2283 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| 2284 TRACE_EVENT_SCOPED_CONTEXT("v8", "Isolate", isolate); |
2279 ENTER_V8(isolate); | 2285 ENTER_V8(isolate); |
2280 EscapableHandleScope scope(reinterpret_cast<Isolate*>(isolate)); | 2286 EscapableHandleScope scope(reinterpret_cast<Isolate*>(isolate)); |
2281 i::Handle<i::Object> obj = Utils::OpenHandle(this); | 2287 i::Handle<i::Object> obj = Utils::OpenHandle(this); |
2282 i::Handle<i::String> raw_result = i::MessageHandler::GetMessage(isolate, obj); | 2288 i::Handle<i::String> raw_result = i::MessageHandler::GetMessage(isolate, obj); |
2283 Local<String> result = Utils::ToLocal(raw_result); | 2289 Local<String> result = Utils::ToLocal(raw_result); |
2284 return scope.Escape(result); | 2290 return scope.Escape(result); |
2285 } | 2291 } |
2286 | 2292 |
2287 | 2293 |
2288 ScriptOrigin Message::GetScriptOrigin() const { | 2294 ScriptOrigin Message::GetScriptOrigin() const { |
2289 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 2295 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
2290 auto message = i::Handle<i::JSMessageObject>::cast(Utils::OpenHandle(this)); | 2296 auto message = i::Handle<i::JSMessageObject>::cast(Utils::OpenHandle(this)); |
2291 auto script_wraper = i::Handle<i::Object>(message->script(), isolate); | 2297 auto script_wraper = i::Handle<i::Object>(message->script(), isolate); |
2292 auto script_value = i::Handle<i::JSValue>::cast(script_wraper); | 2298 auto script_value = i::Handle<i::JSValue>::cast(script_wraper); |
2293 i::Handle<i::Script> script(i::Script::cast(script_value->value())); | 2299 i::Handle<i::Script> script(i::Script::cast(script_value->value())); |
2294 return GetScriptOriginForScript(isolate, script); | 2300 return GetScriptOriginForScript(isolate, script); |
2295 } | 2301 } |
2296 | 2302 |
2297 | 2303 |
2298 v8::Local<Value> Message::GetScriptResourceName() const { | 2304 v8::Local<Value> Message::GetScriptResourceName() const { |
2299 return GetScriptOrigin().ResourceName(); | 2305 return GetScriptOrigin().ResourceName(); |
2300 } | 2306 } |
2301 | 2307 |
2302 | 2308 |
2303 v8::Local<v8::StackTrace> Message::GetStackTrace() const { | 2309 v8::Local<v8::StackTrace> Message::GetStackTrace() const { |
2304 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 2310 i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); |
| 2311 TRACE_EVENT_SCOPED_CONTEXT("v8", "Isolate", isolate); |
2305 ENTER_V8(isolate); | 2312 ENTER_V8(isolate); |
2306 EscapableHandleScope scope(reinterpret_cast<Isolate*>(isolate)); | 2313 EscapableHandleScope scope(reinterpret_cast<Isolate*>(isolate)); |
2307 auto message = i::Handle<i::JSMessageObject>::cast(Utils::OpenHandle(this)); | 2314 auto message = i::Handle<i::JSMessageObject>::cast(Utils::OpenHandle(this)); |
2308 i::Handle<i::Object> stackFramesObj(message->stack_frames(), isolate); | 2315 i::Handle<i::Object> stackFramesObj(message->stack_frames(), isolate); |
2309 if (!stackFramesObj->IsJSArray()) return v8::Local<v8::StackTrace>(); | 2316 if (!stackFramesObj->IsJSArray()) return v8::Local<v8::StackTrace>(); |
2310 auto stackTrace = i::Handle<i::JSArray>::cast(stackFramesObj); | 2317 auto stackTrace = i::Handle<i::JSArray>::cast(stackFramesObj); |
2311 return scope.Escape(Utils::StackTraceToLocal(stackTrace)); | 2318 return scope.Escape(Utils::StackTraceToLocal(stackTrace)); |
2312 } | 2319 } |
2313 | 2320 |
2314 | 2321 |
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5503 // Leave V8. | 5510 // Leave V8. |
5504 | 5511 |
5505 return env; | 5512 return env; |
5506 } | 5513 } |
5507 | 5514 |
5508 Local<Context> v8::Context::New(v8::Isolate* external_isolate, | 5515 Local<Context> v8::Context::New(v8::Isolate* external_isolate, |
5509 v8::ExtensionConfiguration* extensions, | 5516 v8::ExtensionConfiguration* extensions, |
5510 v8::Local<ObjectTemplate> global_template, | 5517 v8::Local<ObjectTemplate> global_template, |
5511 v8::Local<Value> global_object) { | 5518 v8::Local<Value> global_object) { |
5512 i::Isolate* isolate = reinterpret_cast<i::Isolate*>(external_isolate); | 5519 i::Isolate* isolate = reinterpret_cast<i::Isolate*>(external_isolate); |
| 5520 TRACE_EVENT_SCOPED_CONTEXT("v8", "Isolate", isolate); |
5513 LOG_API(isolate, "Context::New"); | 5521 LOG_API(isolate, "Context::New"); |
5514 i::HandleScope scope(isolate); | 5522 i::HandleScope scope(isolate); |
5515 ExtensionConfiguration no_extensions; | 5523 ExtensionConfiguration no_extensions; |
5516 if (extensions == NULL) extensions = &no_extensions; | 5524 if (extensions == NULL) extensions = &no_extensions; |
5517 i::Handle<i::Context> env = | 5525 i::Handle<i::Context> env = |
5518 CreateEnvironment(isolate, extensions, global_template, global_object); | 5526 CreateEnvironment(isolate, extensions, global_template, global_object); |
5519 if (env.is_null()) { | 5527 if (env.is_null()) { |
5520 if (isolate->has_pending_exception()) { | 5528 if (isolate->has_pending_exception()) { |
5521 isolate->OptionalRescheduleException(true); | 5529 isolate->OptionalRescheduleException(true); |
5522 } | 5530 } |
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7141 | 7149 |
7142 Isolate* Isolate::GetCurrent() { | 7150 Isolate* Isolate::GetCurrent() { |
7143 i::Isolate* isolate = i::Isolate::Current(); | 7151 i::Isolate* isolate = i::Isolate::Current(); |
7144 return reinterpret_cast<Isolate*>(isolate); | 7152 return reinterpret_cast<Isolate*>(isolate); |
7145 } | 7153 } |
7146 | 7154 |
7147 | 7155 |
7148 Isolate* Isolate::New(const Isolate::CreateParams& params) { | 7156 Isolate* Isolate::New(const Isolate::CreateParams& params) { |
7149 i::Isolate* isolate = new i::Isolate(false); | 7157 i::Isolate* isolate = new i::Isolate(false); |
7150 Isolate* v8_isolate = reinterpret_cast<Isolate*>(isolate); | 7158 Isolate* v8_isolate = reinterpret_cast<Isolate*>(isolate); |
| 7159 TRACE_EVENT_SCOPED_CONTEXT("v8", "Isolate", isolate); |
7151 CHECK(params.array_buffer_allocator != NULL); | 7160 CHECK(params.array_buffer_allocator != NULL); |
7152 isolate->set_array_buffer_allocator(params.array_buffer_allocator); | 7161 isolate->set_array_buffer_allocator(params.array_buffer_allocator); |
7153 if (params.snapshot_blob != NULL) { | 7162 if (params.snapshot_blob != NULL) { |
7154 isolate->set_snapshot_blob(params.snapshot_blob); | 7163 isolate->set_snapshot_blob(params.snapshot_blob); |
7155 } else { | 7164 } else { |
7156 isolate->set_snapshot_blob(i::Snapshot::DefaultSnapshotBlob()); | 7165 isolate->set_snapshot_blob(i::Snapshot::DefaultSnapshotBlob()); |
7157 } | 7166 } |
7158 if (params.entry_hook) { | 7167 if (params.entry_hook) { |
7159 isolate->set_function_entry_hook(params.entry_hook); | 7168 isolate->set_function_entry_hook(params.entry_hook); |
7160 } | 7169 } |
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8554 Address callback_address = | 8563 Address callback_address = |
8555 reinterpret_cast<Address>(reinterpret_cast<intptr_t>(callback)); | 8564 reinterpret_cast<Address>(reinterpret_cast<intptr_t>(callback)); |
8556 VMState<EXTERNAL> state(isolate); | 8565 VMState<EXTERNAL> state(isolate); |
8557 ExternalCallbackScope call_scope(isolate, callback_address); | 8566 ExternalCallbackScope call_scope(isolate, callback_address); |
8558 callback(info); | 8567 callback(info); |
8559 } | 8568 } |
8560 | 8569 |
8561 | 8570 |
8562 } // namespace internal | 8571 } // namespace internal |
8563 } // namespace v8 | 8572 } // namespace v8 |
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