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Issue 316173002: Handle "//# sourceURL" comments in the Parser instead of the JS. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: yet another trivial rebase Created 6 years, 5 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/code-stubs.h" 8 #include "src/code-stubs.h"
9 #include "src/extensions/externalize-string-extension.h" 9 #include "src/extensions/externalize-string-extension.h"
10 #include "src/extensions/free-buffer-extension.h" 10 #include "src/extensions/free-buffer-extension.h"
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1755 // Builtin functions for Script. 1755 // Builtin functions for Script.
1756 Handle<JSFunction> script_fun = InstallFunction( 1756 Handle<JSFunction> script_fun = InstallFunction(
1757 builtins, "Script", JS_VALUE_TYPE, JSValue::kSize, 1757 builtins, "Script", JS_VALUE_TYPE, JSValue::kSize,
1758 isolate()->initial_object_prototype(), Builtins::kIllegal); 1758 isolate()->initial_object_prototype(), Builtins::kIllegal);
1759 Handle<JSObject> prototype = 1759 Handle<JSObject> prototype =
1760 factory()->NewJSObject(isolate()->object_function(), TENURED); 1760 factory()->NewJSObject(isolate()->object_function(), TENURED);
1761 Accessors::FunctionSetPrototype(script_fun, prototype); 1761 Accessors::FunctionSetPrototype(script_fun, prototype);
1762 native_context()->set_script_function(*script_fun); 1762 native_context()->set_script_function(*script_fun);
1763 1763
1764 Handle<Map> script_map = Handle<Map>(script_fun->initial_map()); 1764 Handle<Map> script_map = Handle<Map>(script_fun->initial_map());
1765 Map::EnsureDescriptorSlack(script_map, 13); 1765 Map::EnsureDescriptorSlack(script_map, 14);
1766 1766
1767 PropertyAttributes attribs = 1767 PropertyAttributes attribs =
1768 static_cast<PropertyAttributes>(DONT_ENUM | DONT_DELETE | READ_ONLY); 1768 static_cast<PropertyAttributes>(DONT_ENUM | DONT_DELETE | READ_ONLY);
1769 1769
1770 Handle<AccessorInfo> script_column = 1770 Handle<AccessorInfo> script_column =
1771 Accessors::ScriptColumnOffsetInfo(isolate(), attribs); 1771 Accessors::ScriptColumnOffsetInfo(isolate(), attribs);
1772 { 1772 {
1773 CallbacksDescriptor d(Handle<Name>(Name::cast(script_column->name())), 1773 CallbacksDescriptor d(Handle<Name>(Name::cast(script_column->name())),
1774 script_column, attribs); 1774 script_column, attribs);
1775 script_map->AppendDescriptor(&d); 1775 script_map->AppendDescriptor(&d);
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1862 1862
1863 Handle<AccessorInfo> script_eval_from_function_name = 1863 Handle<AccessorInfo> script_eval_from_function_name =
1864 Accessors::ScriptEvalFromFunctionNameInfo(isolate(), attribs); 1864 Accessors::ScriptEvalFromFunctionNameInfo(isolate(), attribs);
1865 { 1865 {
1866 CallbacksDescriptor d( 1866 CallbacksDescriptor d(
1867 Handle<Name>(Name::cast(script_eval_from_function_name->name())), 1867 Handle<Name>(Name::cast(script_eval_from_function_name->name())),
1868 script_eval_from_function_name, attribs); 1868 script_eval_from_function_name, attribs);
1869 script_map->AppendDescriptor(&d); 1869 script_map->AppendDescriptor(&d);
1870 } 1870 }
1871 1871
1872 Handle<AccessorInfo> script_source_url =
1873 Accessors::ScriptSourceUrlInfo(isolate(), attribs);
1874 {
1875 CallbacksDescriptor d(Handle<Name>(Name::cast(script_source_url->name())),
1876 script_source_url, attribs);
1877 script_map->AppendDescriptor(&d);
1878 }
1879
1880 Handle<AccessorInfo> script_source_mapping_url =
1881 Accessors::ScriptSourceMappingUrlInfo(isolate(), attribs);
1882 {
1883 CallbacksDescriptor d(
1884 Handle<Name>(Name::cast(script_source_mapping_url->name())),
1885 script_source_mapping_url, attribs);
1886 script_map->AppendDescriptor(&d);
1887 }
1888
1872 // Allocate the empty script. 1889 // Allocate the empty script.
1873 Handle<Script> script = factory()->NewScript(factory()->empty_string()); 1890 Handle<Script> script = factory()->NewScript(factory()->empty_string());
1874 script->set_type(Smi::FromInt(Script::TYPE_NATIVE)); 1891 script->set_type(Smi::FromInt(Script::TYPE_NATIVE));
1875 heap()->public_set_empty_script(*script); 1892 heap()->public_set_empty_script(*script);
1876 } 1893 }
1877 { 1894 {
1878 // Builtin function for OpaqueReference -- a JSValue-based object, 1895 // Builtin function for OpaqueReference -- a JSValue-based object,
1879 // that keeps its field isolated from JavaScript code. It may store 1896 // that keeps its field isolated from JavaScript code. It may store
1880 // objects, that JavaScript code may not access. 1897 // objects, that JavaScript code may not access.
1881 Handle<JSFunction> opaque_reference_fun = InstallFunction( 1898 Handle<JSFunction> opaque_reference_fun = InstallFunction(
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2729 return from + sizeof(NestingCounterType); 2746 return from + sizeof(NestingCounterType);
2730 } 2747 }
2731 2748
2732 2749
2733 // Called when the top-level V8 mutex is destroyed. 2750 // Called when the top-level V8 mutex is destroyed.
2734 void Bootstrapper::FreeThreadResources() { 2751 void Bootstrapper::FreeThreadResources() {
2735 ASSERT(!IsActive()); 2752 ASSERT(!IsActive());
2736 } 2753 }
2737 2754
2738 } } // namespace v8::internal 2755 } } // namespace v8::internal
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