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Issue 1140673002: [V8] Added Script::is_opaque flag for embedders (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: incorporated Yang's comment Created 5 years, 7 months ago
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1 // Copyright 2014 the V8 project authors. All rights reserved. 1 // Copyright 2014 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/bootstrapper.h" 5 #include "src/bootstrapper.h"
6 6
7 #include "src/accessors.h" 7 #include "src/accessors.h"
8 #include "src/api-natives.h" 8 #include "src/api-natives.h"
9 #include "src/base/utils/random-number-generator.h" 9 #include "src/base/utils/random-number-generator.h"
10 #include "src/code-stubs.h" 10 #include "src/code-stubs.h"
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1481 // environment has been at least partially initialized. Add a stack check 1481 // environment has been at least partially initialized. Add a stack check
1482 // before entering JS code to catch overflow early. 1482 // before entering JS code to catch overflow early.
1483 StackLimitCheck check(isolate); 1483 StackLimitCheck check(isolate);
1484 if (check.HasOverflowed()) return false; 1484 if (check.HasOverflowed()) return false;
1485 1485
1486 Handle<Context> context(isolate->context()); 1486 Handle<Context> context(isolate->context());
1487 1487
1488 Handle<String> script_name = 1488 Handle<String> script_name =
1489 isolate->factory()->NewStringFromUtf8(name).ToHandleChecked(); 1489 isolate->factory()->NewStringFromUtf8(name).ToHandleChecked();
1490 Handle<SharedFunctionInfo> function_info = Compiler::CompileScript( 1490 Handle<SharedFunctionInfo> function_info = Compiler::CompileScript(
1491 source, script_name, 0, 0, false, false, Handle<Object>(), context, NULL, 1491 source, script_name, 0, 0, ScriptOriginOptions(), Handle<Object>(),
1492 NULL, ScriptCompiler::kNoCompileOptions, NATIVES_CODE, false); 1492 context, NULL, NULL, ScriptCompiler::kNoCompileOptions, NATIVES_CODE,
1493 false);
1493 1494
1494 DCHECK(context->IsNativeContext()); 1495 DCHECK(context->IsNativeContext());
1495 1496
1496 Handle<Context> runtime_context(context->runtime_context()); 1497 Handle<Context> runtime_context(context->runtime_context());
1497 Handle<JSBuiltinsObject> receiver(context->builtins()); 1498 Handle<JSBuiltinsObject> receiver(context->builtins());
1498 Handle<JSFunction> fun = 1499 Handle<JSFunction> fun =
1499 isolate->factory()->NewFunctionFromSharedFunctionInfo(function_info, 1500 isolate->factory()->NewFunctionFromSharedFunctionInfo(function_info,
1500 runtime_context); 1501 runtime_context);
1501 1502
1502 // For non-extension scripts, run script to get the function wrapper. 1503 // For non-extension scripts, run script to get the function wrapper.
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1525 // function and insert it into the cache. 1526 // function and insert it into the cache.
1526 Vector<const char> name = CStrVector(extension->name()); 1527 Vector<const char> name = CStrVector(extension->name());
1527 SourceCodeCache* cache = isolate->bootstrapper()->extensions_cache(); 1528 SourceCodeCache* cache = isolate->bootstrapper()->extensions_cache();
1528 Handle<Context> context(isolate->context()); 1529 Handle<Context> context(isolate->context());
1529 DCHECK(context->IsNativeContext()); 1530 DCHECK(context->IsNativeContext());
1530 1531
1531 if (!cache->Lookup(name, &function_info)) { 1532 if (!cache->Lookup(name, &function_info)) {
1532 Handle<String> script_name = 1533 Handle<String> script_name =
1533 factory->NewStringFromUtf8(name).ToHandleChecked(); 1534 factory->NewStringFromUtf8(name).ToHandleChecked();
1534 function_info = Compiler::CompileScript( 1535 function_info = Compiler::CompileScript(
1535 source, script_name, 0, 0, false, false, Handle<Object>(), context, 1536 source, script_name, 0, 0, ScriptOriginOptions(), Handle<Object>(),
1536 extension, NULL, ScriptCompiler::kNoCompileOptions, NOT_NATIVES_CODE, 1537 context, extension, NULL, ScriptCompiler::kNoCompileOptions,
1537 false); 1538 NOT_NATIVES_CODE, false);
1538 if (function_info.is_null()) return false; 1539 if (function_info.is_null()) return false;
1539 cache->Add(name, function_info); 1540 cache->Add(name, function_info);
1540 } 1541 }
1541 1542
1542 // Set up the function context. Conceptually, we should clone the 1543 // Set up the function context. Conceptually, we should clone the
1543 // function before overwriting the context but since we're in a 1544 // function before overwriting the context but since we're in a
1544 // single-threaded environment it is not strictly necessary. 1545 // single-threaded environment it is not strictly necessary.
1545 Handle<JSFunction> fun = 1546 Handle<JSFunction> fun =
1546 factory->NewFunctionFromSharedFunctionInfo(function_info, context); 1547 factory->NewFunctionFromSharedFunctionInfo(function_info, context);
1547 1548
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3030 return from + sizeof(NestingCounterType); 3031 return from + sizeof(NestingCounterType);
3031 } 3032 }
3032 3033
3033 3034
3034 // Called when the top-level V8 mutex is destroyed. 3035 // Called when the top-level V8 mutex is destroyed.
3035 void Bootstrapper::FreeThreadResources() { 3036 void Bootstrapper::FreeThreadResources() {
3036 DCHECK(!IsActive()); 3037 DCHECK(!IsActive());
3037 } 3038 }
3038 3039
3039 } } // namespace v8::internal 3040 } } // namespace v8::internal
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