13ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch// Copyright 2012 the V8 project authors. All rights reserved. 2a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Redistribution and use in source and binary forms, with or without 3a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// modification, are permitted provided that the following conditions are 4a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// met: 5a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// 6a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// * Redistributions of source code must retain the above copyright 7a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// notice, this list of conditions and the following disclaimer. 8a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// * Redistributions in binary form must reproduce the above 9a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// copyright notice, this list of conditions and the following 10a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// disclaimer in the documentation and/or other materials provided 11a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// with the distribution. 12a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// * Neither the name of Google Inc. nor the names of its 13a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// contributors may be used to endorse or promote products derived 14a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// from this software without specific prior written permission. 15a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// 16a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 28a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#include "v8.h" 29a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 30a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#include "accessors.h" 31a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#include "api.h" 32a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#include "bootstrapper.h" 33a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#include "compiler.h" 34a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#include "debug.h" 35a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#include "execution.h" 36a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#include "global-handles.h" 373ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch#include "isolate-inl.h" 38a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#include "macro-assembler.h" 39a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#include "natives.h" 40756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick#include "objects-visiting.h" 413ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch#include "platform.h" 42d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block#include "snapshot.h" 438a31eba00023874d4a1dcdc5f411cc4336776874Shimeng (Simon) Wang#include "extensions/externalize-string-extension.h" 448a31eba00023874d4a1dcdc5f411cc4336776874Shimeng (Simon) Wang#include "extensions/gc-extension.h" 45a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 46a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blocknamespace v8 { 47a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blocknamespace internal { 48a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 49d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 5044f0eee88ff00398ff7f715fab053374d808c90dSteve BlockNativesExternalStringResource::NativesExternalStringResource( 5144f0eee88ff00398ff7f715fab053374d808c90dSteve Block Bootstrapper* bootstrapper, 523fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch const char* source, 533fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch size_t length) 543fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch : data_(source), length_(length) { 5544f0eee88ff00398ff7f715fab053374d808c90dSteve Block if (bootstrapper->delete_these_non_arrays_on_tear_down_ == NULL) { 5644f0eee88ff00398ff7f715fab053374d808c90dSteve Block bootstrapper->delete_these_non_arrays_on_tear_down_ = new List<char*>(2); 57d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 58d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // The resources are small objects and we only make a fixed number of 59d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // them, but let's clean them up on exit for neatness. 6044f0eee88ff00398ff7f715fab053374d808c90dSteve Block bootstrapper->delete_these_non_arrays_on_tear_down_-> 61d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Add(reinterpret_cast<char*>(this)); 62d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block} 63a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 64a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 6544f0eee88ff00398ff7f715fab053374d808c90dSteve BlockBootstrapper::Bootstrapper() 6644f0eee88ff00398ff7f715fab053374d808c90dSteve Block : nesting_(0), 6744f0eee88ff00398ff7f715fab053374d808c90dSteve Block extensions_cache_(Script::TYPE_EXTENSION), 6844f0eee88ff00398ff7f715fab053374d808c90dSteve Block delete_these_non_arrays_on_tear_down_(NULL), 6944f0eee88ff00398ff7f715fab053374d808c90dSteve Block delete_these_arrays_on_tear_down_(NULL) { 7044f0eee88ff00398ff7f715fab053374d808c90dSteve Block} 7144f0eee88ff00398ff7f715fab053374d808c90dSteve Block 7244f0eee88ff00398ff7f715fab053374d808c90dSteve Block 73a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockHandle<String> Bootstrapper::NativesSourceLookup(int index) { 74a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block ASSERT(0 <= index && index < Natives::GetBuiltinsCount()); 7544f0eee88ff00398ff7f715fab053374d808c90dSteve Block Isolate* isolate = Isolate::Current(); 7644f0eee88ff00398ff7f715fab053374d808c90dSteve Block Factory* factory = isolate->factory(); 7744f0eee88ff00398ff7f715fab053374d808c90dSteve Block Heap* heap = isolate->heap(); 7844f0eee88ff00398ff7f715fab053374d808c90dSteve Block if (heap->natives_source_cache()->get(index)->IsUndefined()) { 793ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // We can use external strings for the natives. 803ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Vector<const char> source = Natives::GetRawScriptSource(index); 813ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch NativesExternalStringResource* resource = 823ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch new NativesExternalStringResource(this, 833ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch source.start(), 843ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch source.length()); 853ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Handle<String> source_code = 863ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch factory->NewExternalStringFromAscii(resource); 873ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch heap->natives_source_cache()->set(index, *source_code); 88a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 8944f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<Object> cached_source(heap->natives_source_cache()->get(index)); 90a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block return Handle<String>::cast(cached_source); 91a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 92a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 93a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 94a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockvoid Bootstrapper::Initialize(bool create_heap_objects) { 9544f0eee88ff00398ff7f715fab053374d808c90dSteve Block extensions_cache_.Initialize(create_heap_objects); 968a31eba00023874d4a1dcdc5f411cc4336776874Shimeng (Simon) Wang GCExtension::Register(); 978a31eba00023874d4a1dcdc5f411cc4336776874Shimeng (Simon) Wang ExternalizeStringExtension::Register(); 98a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 99a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 100a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 101e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarkechar* Bootstrapper::AllocateAutoDeletedArray(int bytes) { 102e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke char* memory = new char[bytes]; 103e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke if (memory != NULL) { 10444f0eee88ff00398ff7f715fab053374d808c90dSteve Block if (delete_these_arrays_on_tear_down_ == NULL) { 10544f0eee88ff00398ff7f715fab053374d808c90dSteve Block delete_these_arrays_on_tear_down_ = new List<char*>(2); 106e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke } 10744f0eee88ff00398ff7f715fab053374d808c90dSteve Block delete_these_arrays_on_tear_down_->Add(memory); 108e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke } 109e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke return memory; 110e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke} 111e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 112e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 113a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockvoid Bootstrapper::TearDown() { 11444f0eee88ff00398ff7f715fab053374d808c90dSteve Block if (delete_these_non_arrays_on_tear_down_ != NULL) { 11544f0eee88ff00398ff7f715fab053374d808c90dSteve Block int len = delete_these_non_arrays_on_tear_down_->length(); 116d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block ASSERT(len < 20); // Don't use this mechanism for unbounded allocations. 117d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block for (int i = 0; i < len; i++) { 11844f0eee88ff00398ff7f715fab053374d808c90dSteve Block delete delete_these_non_arrays_on_tear_down_->at(i); 11944f0eee88ff00398ff7f715fab053374d808c90dSteve Block delete_these_non_arrays_on_tear_down_->at(i) = NULL; 120d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 12144f0eee88ff00398ff7f715fab053374d808c90dSteve Block delete delete_these_non_arrays_on_tear_down_; 12244f0eee88ff00398ff7f715fab053374d808c90dSteve Block delete_these_non_arrays_on_tear_down_ = NULL; 123d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 124d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 12544f0eee88ff00398ff7f715fab053374d808c90dSteve Block if (delete_these_arrays_on_tear_down_ != NULL) { 12644f0eee88ff00398ff7f715fab053374d808c90dSteve Block int len = delete_these_arrays_on_tear_down_->length(); 127e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke ASSERT(len < 1000); // Don't use this mechanism for unbounded allocations. 128e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke for (int i = 0; i < len; i++) { 12944f0eee88ff00398ff7f715fab053374d808c90dSteve Block delete[] delete_these_arrays_on_tear_down_->at(i); 13044f0eee88ff00398ff7f715fab053374d808c90dSteve Block delete_these_arrays_on_tear_down_->at(i) = NULL; 131e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke } 13244f0eee88ff00398ff7f715fab053374d808c90dSteve Block delete delete_these_arrays_on_tear_down_; 13344f0eee88ff00398ff7f715fab053374d808c90dSteve Block delete_these_arrays_on_tear_down_ = NULL; 134e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke } 135e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 13644f0eee88ff00398ff7f715fab053374d808c90dSteve Block extensions_cache_.Initialize(false); // Yes, symmetrical 137a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 138a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 139a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 140a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockclass Genesis BASE_EMBEDDED { 141a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block public: 142257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Genesis(Isolate* isolate, 143257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Object> global_object, 144a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block v8::Handle<v8::ObjectTemplate> global_template, 145a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block v8::ExtensionConfiguration* extensions); 1463100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu ~Genesis() { } 147a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 148a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<Context> result() { return result_; } 149a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 150a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Genesis* previous() { return previous_; } 151a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 152257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Isolate* isolate() const { return isolate_; } 153257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Factory* factory() const { return isolate_->factory(); } 154257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Heap* heap() const { return isolate_->heap(); } 155257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch 156a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block private: 157a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<Context> global_context_; 158257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Isolate* isolate_; 159a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 160a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // There may be more than one active genesis object: When GC is 161a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // triggered during environment creation there may be weak handle 162a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // processing callbacks which may create new environments. 163a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Genesis* previous_; 164a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 165a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<Context> global_context() { return global_context_; } 166a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1673100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Creates some basic objects. Used for creating a context from scratch. 1683100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu void CreateRoots(); 1693100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Creates the empty function. Used for creating a context from scratch. 170257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<JSFunction> CreateEmptyFunction(Isolate* isolate); 17144f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Creates the ThrowTypeError function. ECMA 5th Ed. 13.2.3 172257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<JSFunction> GetThrowTypeErrorFunction(); 17344f0eee88ff00398ff7f715fab053374d808c90dSteve Block 17444f0eee88ff00398ff7f715fab053374d808c90dSteve Block void CreateStrictModeFunctionMaps(Handle<JSFunction> empty); 1753ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch 1763ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // Make the "arguments" and "caller" properties throw a TypeError on access. 1773ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch void PoisonArgumentsAndCaller(Handle<Map> map); 1783ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch 1793100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Creates the global objects using the global and the template passed in 1803100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // through the API. We call this regardless of whether we are building a 1813100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // context from scratch or using a deserialized one from the partial snapshot 1823100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // but in the latter case we don't use the objects it produces directly, as 1833100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // we have to used the deserialized ones that are linked together with the 1843100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // rest of the context snapshot. 1853100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<JSGlobalProxy> CreateNewGlobals( 1863100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu v8::Handle<v8::ObjectTemplate> global_template, 1873100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<Object> global_object, 1883100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<GlobalObject>* global_proxy_out); 1893100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Hooks the given global proxy into the context. If the context was created 1903100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // by deserialization then this will unhook the global proxy that was 1913100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // deserialized, leaving the GC to pick it up. 1923100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu void HookUpGlobalProxy(Handle<GlobalObject> inner_global, 1933100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<JSGlobalProxy> global_proxy); 194402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu // Similarly, we want to use the inner global that has been created by the 195402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu // templates passed through the API. The inner global from the snapshot is 196402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu // detached from the other objects in the snapshot. 197402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu void HookUpInnerGlobal(Handle<GlobalObject> inner_global); 1983100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // New context initialization. Used for creating a context from scratch. 1993ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch bool InitializeGlobal(Handle<GlobalObject> inner_global, 2003100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<JSFunction> empty_function); 20169a99ed0b2b2ef69d393c371b03db3a98aaf880eBen Murdoch void InitializeExperimentalGlobal(); 2023100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Installs the contents of the native .js files on the global objects. 2033100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Used for creating a context from scratch. 204a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block void InstallNativeFunctions(); 205257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch void InstallExperimentalNativeFunctions(); 206a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block bool InstallNatives(); 207257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch bool InstallExperimentalNatives(); 208b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch void InstallBuiltinFunctionIds(); 2096ded16be15dd865a9b21ea304d5273c8be299c87Steve Block void InstallJSFunctionResultCaches(); 21080d68eab642096c1a48b6474d6ec33064b0ad1f5Kristian Monsen void InitializeNormalizedMapCaches(); 2113ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch 2123ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch enum ExtensionTraversalState { 2133ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch UNVISITED, VISITED, INSTALLED 2143ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch }; 2153ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch 2163ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch class ExtensionStates { 2173ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch public: 2183ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch ExtensionStates(); 2193ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch ExtensionTraversalState get_state(RegisteredExtension* extension); 2203ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch void set_state(RegisteredExtension* extension, 2213ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch ExtensionTraversalState state); 2223ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch private: 2233ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch HashMap map_; 2243ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch DISALLOW_COPY_AND_ASSIGN(ExtensionStates); 2253ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch }; 2263ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch 2273100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Used both for deserialized and from-scratch contexts to add the extensions 2283100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // provided. 2293100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu static bool InstallExtensions(Handle<Context> global_context, 2303100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu v8::ExtensionConfiguration* extensions); 2313ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch static bool InstallExtension(const char* name, 2323ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch ExtensionStates* extension_states); 2333ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch static bool InstallExtension(v8::RegisteredExtension* current, 2343ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch ExtensionStates* extension_states); 2353100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu static void InstallSpecialObjects(Handle<Context> global_context); 236402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu bool InstallJSBuiltins(Handle<JSBuiltinsObject> builtins); 237a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block bool ConfigureApiObject(Handle<JSObject> object, 238a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<ObjectTemplateInfo> object_template); 239a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block bool ConfigureGlobalObjects(v8::Handle<v8::ObjectTemplate> global_template); 240a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 241a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Migrates all properties from the 'from' object to the 'to' 242a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // object and overrides the prototype in 'to' with the one from 243a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // 'from'. 244a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block void TransferObject(Handle<JSObject> from, Handle<JSObject> to); 245a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block void TransferNamedProperties(Handle<JSObject> from, Handle<JSObject> to); 246a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block void TransferIndexedProperties(Handle<JSObject> from, Handle<JSObject> to); 247a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2486ded16be15dd865a9b21ea304d5273c8be299c87Steve Block enum PrototypePropertyMode { 2496ded16be15dd865a9b21ea304d5273c8be299c87Steve Block DONT_ADD_PROTOTYPE, 2506ded16be15dd865a9b21ea304d5273c8be299c87Steve Block ADD_READONLY_PROTOTYPE, 2516ded16be15dd865a9b21ea304d5273c8be299c87Steve Block ADD_WRITEABLE_PROTOTYPE 2526ded16be15dd865a9b21ea304d5273c8be299c87Steve Block }; 25344f0eee88ff00398ff7f715fab053374d808c90dSteve Block 25444f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<Map> CreateFunctionMap(PrototypePropertyMode prototype_mode); 25544f0eee88ff00398ff7f715fab053374d808c90dSteve Block 256a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<DescriptorArray> ComputeFunctionInstanceDescriptor( 2576ded16be15dd865a9b21ea304d5273c8be299c87Steve Block PrototypePropertyMode prototypeMode); 258a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block void MakeFunctionInstancePrototypeWritable(); 259a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 26044f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<Map> CreateStrictModeFunctionMap( 26144f0eee88ff00398ff7f715fab053374d808c90dSteve Block PrototypePropertyMode prototype_mode, 2623ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Handle<JSFunction> empty_function); 26344f0eee88ff00398ff7f715fab053374d808c90dSteve Block 26444f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<DescriptorArray> ComputeStrictFunctionInstanceDescriptor( 2653ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch PrototypePropertyMode propertyMode); 26644f0eee88ff00398ff7f715fab053374d808c90dSteve Block 267257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch static bool CompileBuiltin(Isolate* isolate, int index); 268257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch static bool CompileExperimentalBuiltin(Isolate* isolate, int index); 269a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block static bool CompileNative(Vector<const char> name, Handle<String> source); 270a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block static bool CompileScriptCached(Vector<const char> name, 271a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<String> source, 272a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block SourceCodeCache* cache, 273a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block v8::Extension* extension, 2743100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<Context> top_context, 275a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block bool use_runtime_context); 276a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 277a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<Context> result_; 27844f0eee88ff00398ff7f715fab053374d808c90dSteve Block 27944f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Function instance maps. Function literal maps are created initially with 28044f0eee88ff00398ff7f715fab053374d808c90dSteve Block // a read only prototype for the processing of JS builtins. Later the function 28144f0eee88ff00398ff7f715fab053374d808c90dSteve Block // instance maps are replaced in order to make prototype writable. 28244f0eee88ff00398ff7f715fab053374d808c90dSteve Block // These are the final, writable prototype, maps. 28344f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<Map> function_instance_map_writable_prototype_; 28444f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<Map> strict_mode_function_instance_map_writable_prototype_; 285257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<JSFunction> throw_type_error_function; 28644f0eee88ff00398ff7f715fab053374d808c90dSteve Block 2873100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu BootstrapperActive active_; 2883100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu friend class Bootstrapper; 289a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block}; 290a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 291a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 292a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockvoid Bootstrapper::Iterate(ObjectVisitor* v) { 29344f0eee88ff00398ff7f715fab053374d808c90dSteve Block extensions_cache_.Iterate(v); 2943ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch v->Synchronize(VisitorSynchronization::kExtensions); 295a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 296a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 297a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 298a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockHandle<Context> Bootstrapper::CreateEnvironment( 299257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Isolate* isolate, 300a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<Object> global_object, 301a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block v8::Handle<v8::ObjectTemplate> global_template, 302a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block v8::ExtensionConfiguration* extensions) { 3033100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu HandleScope scope; 3043100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<Context> env; 305257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Genesis genesis(isolate, global_object, global_template, extensions); 3063100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu env = genesis.result(); 3073100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu if (!env.is_null()) { 3083100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu if (InstallExtensions(env, extensions)) { 3093100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu return env; 3103100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu } 3113100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu } 3123100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu return Handle<Context>(); 313a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 314a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 315a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 316a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockstatic void SetObjectPrototype(Handle<JSObject> object, Handle<Object> proto) { 317a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // object.__proto__ = proto; 318257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Factory* factory = object->GetIsolate()->factory(); 319a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<Map> old_to_map = Handle<Map>(object->map()); 320257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Map> new_to_map = factory->CopyMapDropTransitions(old_to_map); 321a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block new_to_map->set_prototype(*proto); 322a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block object->set_map(*new_to_map); 323a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 324a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 325a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 326a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockvoid Bootstrapper::DetachGlobal(Handle<Context> env) { 327257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Factory* factory = env->GetIsolate()->factory(); 32844f0eee88ff00398ff7f715fab053374d808c90dSteve Block JSGlobalProxy::cast(env->global_proxy())->set_context(*factory->null_value()); 329a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block SetObjectPrototype(Handle<JSObject>(env->global_proxy()), 33044f0eee88ff00398ff7f715fab053374d808c90dSteve Block factory->null_value()); 331a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block env->set_global_proxy(env->global()); 332a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block env->global()->set_global_receiver(env->global()); 333a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 334a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 335a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 33674b3c146906ea120f97974b0e16aec75c17ebf66Andrei Popescuvoid Bootstrapper::ReattachGlobal(Handle<Context> env, 33774b3c146906ea120f97974b0e16aec75c17ebf66Andrei Popescu Handle<Object> global_object) { 33874b3c146906ea120f97974b0e16aec75c17ebf66Andrei Popescu ASSERT(global_object->IsJSGlobalProxy()); 33974b3c146906ea120f97974b0e16aec75c17ebf66Andrei Popescu Handle<JSGlobalProxy> global = Handle<JSGlobalProxy>::cast(global_object); 34074b3c146906ea120f97974b0e16aec75c17ebf66Andrei Popescu env->global()->set_global_receiver(*global); 34174b3c146906ea120f97974b0e16aec75c17ebf66Andrei Popescu env->set_global_proxy(*global); 34274b3c146906ea120f97974b0e16aec75c17ebf66Andrei Popescu SetObjectPrototype(global, Handle<JSObject>(env->global())); 34374b3c146906ea120f97974b0e16aec75c17ebf66Andrei Popescu global->set_context(*env); 34474b3c146906ea120f97974b0e16aec75c17ebf66Andrei Popescu} 34574b3c146906ea120f97974b0e16aec75c17ebf66Andrei Popescu 34674b3c146906ea120f97974b0e16aec75c17ebf66Andrei Popescu 347a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockstatic Handle<JSFunction> InstallFunction(Handle<JSObject> target, 348a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block const char* name, 349a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block InstanceType type, 350a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block int instance_size, 351a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSObject> prototype, 352a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Builtins::Name call, 353a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block bool is_ecma_native) { 354257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Isolate* isolate = target->GetIsolate(); 35544f0eee88ff00398ff7f715fab053374d808c90dSteve Block Factory* factory = isolate->factory(); 35644f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<String> symbol = factory->LookupAsciiSymbol(name); 35744f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<Code> call_code = Handle<Code>(isolate->builtins()->builtin(call)); 3586ded16be15dd865a9b21ea304d5273c8be299c87Steve Block Handle<JSFunction> function = prototype.is_null() ? 35944f0eee88ff00398ff7f715fab053374d808c90dSteve Block factory->NewFunctionWithoutPrototype(symbol, call_code) : 36044f0eee88ff00398ff7f715fab053374d808c90dSteve Block factory->NewFunctionWithPrototype(symbol, 361a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block type, 362a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block instance_size, 363a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block prototype, 364a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block call_code, 365a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block is_ecma_native); 366589d6979ff2ef66fca2d8fa51404c369ca5e9250Ben Murdoch PropertyAttributes attributes; 367589d6979ff2ef66fca2d8fa51404c369ca5e9250Ben Murdoch if (target->IsJSBuiltinsObject()) { 368589d6979ff2ef66fca2d8fa51404c369ca5e9250Ben Murdoch attributes = 369589d6979ff2ef66fca2d8fa51404c369ca5e9250Ben Murdoch static_cast<PropertyAttributes>(DONT_ENUM | DONT_DELETE | READ_ONLY); 370589d6979ff2ef66fca2d8fa51404c369ca5e9250Ben Murdoch } else { 371589d6979ff2ef66fca2d8fa51404c369ca5e9250Ben Murdoch attributes = DONT_ENUM; 372589d6979ff2ef66fca2d8fa51404c369ca5e9250Ben Murdoch } 3733ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch CHECK_NOT_EMPTY_HANDLE(isolate, 3743ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch JSObject::SetLocalPropertyIgnoreAttributes( 3753ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch target, symbol, function, attributes)); 376a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (is_ecma_native) { 377a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block function->shared()->set_instance_class_name(*symbol); 378a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 3793ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch function->shared()->set_native(true); 380a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block return function; 381a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 382a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 383a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 384a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockHandle<DescriptorArray> Genesis::ComputeFunctionInstanceDescriptor( 3856ded16be15dd865a9b21ea304d5273c8be299c87Steve Block PrototypePropertyMode prototypeMode) { 3863ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch int size = (prototypeMode == DONT_ADD_PROTOTYPE) ? 4 : 5; 3873ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Handle<DescriptorArray> descriptors(factory()->NewDescriptorArray(size)); 3883ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch PropertyAttributes attribs = static_cast<PropertyAttributes>( 3893ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch DONT_ENUM | DONT_DELETE | READ_ONLY); 3903ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch 3913ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch DescriptorArray::WhitenessWitness witness(*descriptors); 392592a9fc1d8ea420377a2e7efd0600e20b058be2bBen Murdoch 39344f0eee88ff00398ff7f715fab053374d808c90dSteve Block { // Add length. 3943ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Handle<Foreign> f(factory()->NewForeign(&Accessors::FunctionLength)); 3953ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch CallbacksDescriptor d(*factory()->length_symbol(), *f, attribs); 3963ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch descriptors->Set(0, &d, witness); 39744f0eee88ff00398ff7f715fab053374d808c90dSteve Block } 39844f0eee88ff00398ff7f715fab053374d808c90dSteve Block { // Add name. 3993ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Handle<Foreign> f(factory()->NewForeign(&Accessors::FunctionName)); 4003ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch CallbacksDescriptor d(*factory()->name_symbol(), *f, attribs); 4013ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch descriptors->Set(1, &d, witness); 40244f0eee88ff00398ff7f715fab053374d808c90dSteve Block } 40344f0eee88ff00398ff7f715fab053374d808c90dSteve Block { // Add arguments. 4043ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Handle<Foreign> f(factory()->NewForeign(&Accessors::FunctionArguments)); 4053ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch CallbacksDescriptor d(*factory()->arguments_symbol(), *f, attribs); 4063ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch descriptors->Set(2, &d, witness); 40744f0eee88ff00398ff7f715fab053374d808c90dSteve Block } 40844f0eee88ff00398ff7f715fab053374d808c90dSteve Block { // Add caller. 4093ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Handle<Foreign> f(factory()->NewForeign(&Accessors::FunctionCaller)); 4103ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch CallbacksDescriptor d(*factory()->caller_symbol(), *f, attribs); 4113ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch descriptors->Set(3, &d, witness); 41244f0eee88ff00398ff7f715fab053374d808c90dSteve Block } 4136ded16be15dd865a9b21ea304d5273c8be299c87Steve Block if (prototypeMode != DONT_ADD_PROTOTYPE) { 41444f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Add prototype. 41544f0eee88ff00398ff7f715fab053374d808c90dSteve Block if (prototypeMode == ADD_WRITEABLE_PROTOTYPE) { 4163ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch attribs = static_cast<PropertyAttributes>(attribs & ~READ_ONLY); 41744f0eee88ff00398ff7f715fab053374d808c90dSteve Block } 4183ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Handle<Foreign> f(factory()->NewForeign(&Accessors::FunctionPrototype)); 4193ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch CallbacksDescriptor d(*factory()->prototype_symbol(), *f, attribs); 4203ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch descriptors->Set(4, &d, witness); 4216ded16be15dd865a9b21ea304d5273c8be299c87Steve Block } 4223ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch descriptors->Sort(witness); 42344f0eee88ff00398ff7f715fab053374d808c90dSteve Block return descriptors; 42444f0eee88ff00398ff7f715fab053374d808c90dSteve Block} 425a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 426a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 42744f0eee88ff00398ff7f715fab053374d808c90dSteve BlockHandle<Map> Genesis::CreateFunctionMap(PrototypePropertyMode prototype_mode) { 428257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Map> map = factory()->NewMap(JS_FUNCTION_TYPE, JSFunction::kSize); 42944f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<DescriptorArray> descriptors = 43044f0eee88ff00398ff7f715fab053374d808c90dSteve Block ComputeFunctionInstanceDescriptor(prototype_mode); 43144f0eee88ff00398ff7f715fab053374d808c90dSteve Block map->set_instance_descriptors(*descriptors); 43244f0eee88ff00398ff7f715fab053374d808c90dSteve Block map->set_function_with_prototype(prototype_mode != DONT_ADD_PROTOTYPE); 43344f0eee88ff00398ff7f715fab053374d808c90dSteve Block return map; 434a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 435a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 436a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 437257744e915dfc84d6d07a6b2accf8402d9ffc708Ben MurdochHandle<JSFunction> Genesis::CreateEmptyFunction(Isolate* isolate) { 43844f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Allocate the map for function instances. Maps are allocated first and their 43944f0eee88ff00398ff7f715fab053374d808c90dSteve Block // prototypes patched later, once empty function is created. 44044f0eee88ff00398ff7f715fab053374d808c90dSteve Block 441a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Please note that the prototype property for function instances must be 442a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // writable. 4438b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch Handle<Map> function_instance_map = 4448b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CreateFunctionMap(ADD_WRITEABLE_PROTOTYPE); 4458b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch global_context()->set_function_instance_map(*function_instance_map); 4466ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 4476ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // Functions with this map will not have a 'prototype' property, and 4486ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // can not be used as constructors. 4498b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch Handle<Map> function_without_prototype_map = 4508b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CreateFunctionMap(DONT_ADD_PROTOTYPE); 4516ded16be15dd865a9b21ea304d5273c8be299c87Steve Block global_context()->set_function_without_prototype_map( 4528b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch *function_without_prototype_map); 453a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 45444f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Allocate the function map. This map is temporary, used only for processing 45544f0eee88ff00398ff7f715fab053374d808c90dSteve Block // of builtins. 45644f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Later the map is replaced with writable prototype map, allocated below. 4578b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch Handle<Map> function_map = CreateFunctionMap(ADD_READONLY_PROTOTYPE); 4588b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch global_context()->set_function_map(*function_map); 459a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 46044f0eee88ff00398ff7f715fab053374d808c90dSteve Block // The final map for functions. Writeable prototype. 46144f0eee88ff00398ff7f715fab053374d808c90dSteve Block // This map is installed in MakeFunctionInstancePrototypeWritable. 46244f0eee88ff00398ff7f715fab053374d808c90dSteve Block function_instance_map_writable_prototype_ = 46344f0eee88ff00398ff7f715fab053374d808c90dSteve Block CreateFunctionMap(ADD_WRITEABLE_PROTOTYPE); 46444f0eee88ff00398ff7f715fab053374d808c90dSteve Block 46544f0eee88ff00398ff7f715fab053374d808c90dSteve Block Factory* factory = isolate->factory(); 46644f0eee88ff00398ff7f715fab053374d808c90dSteve Block Heap* heap = isolate->heap(); 46744f0eee88ff00398ff7f715fab053374d808c90dSteve Block 46844f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<String> object_name = Handle<String>(heap->Object_symbol()); 469a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 470a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block { // --- O b j e c t --- 471a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction> object_fun = 47244f0eee88ff00398ff7f715fab053374d808c90dSteve Block factory->NewFunction(object_name, factory->null_value()); 473a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<Map> object_function_map = 47444f0eee88ff00398ff7f715fab053374d808c90dSteve Block factory->NewMap(JS_OBJECT_TYPE, JSObject::kHeaderSize); 475a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block object_fun->set_initial_map(*object_function_map); 476a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block object_function_map->set_constructor(*object_fun); 477a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 478a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block global_context()->set_object_function(*object_fun); 479a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 480a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Allocate a new prototype for the object function. 48144f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<JSObject> prototype = factory->NewJSObject( 48244f0eee88ff00398ff7f715fab053374d808c90dSteve Block isolate->object_function(), 48344f0eee88ff00398ff7f715fab053374d808c90dSteve Block TENURED); 484a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 485a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block global_context()->set_initial_object_prototype(*prototype); 486a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block SetPrototype(object_fun, prototype); 487a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block object_function_map-> 48844f0eee88ff00398ff7f715fab053374d808c90dSteve Block set_instance_descriptors(heap->empty_descriptor_array()); 489a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 490a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 491a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Allocate the empty function as the prototype for function ECMAScript 492a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // 262 15.3.4. 49344f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<String> symbol = factory->LookupAsciiSymbol("Empty"); 494a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction> empty_function = 4953ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch factory->NewFunctionWithoutPrototype(symbol, CLASSIC_MODE); 496a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 4973100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // --- E m p t y --- 4983100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<Code> code = 49944f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<Code>(isolate->builtins()->builtin( 50044f0eee88ff00398ff7f715fab053374d808c90dSteve Block Builtins::kEmptyFunction)); 5013100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu empty_function->set_code(*code); 502756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick empty_function->shared()->set_code(*code); 50344f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<String> source = factory->NewStringFromAscii(CStrVector("() {}")); 50444f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<Script> script = factory->NewScript(source); 5053100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu script->set_type(Smi::FromInt(Script::TYPE_NATIVE)); 5063100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu empty_function->shared()->set_script(*script); 5073100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu empty_function->shared()->set_start_position(0); 5083100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu empty_function->shared()->set_end_position(source->length()); 5093100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu empty_function->shared()->DontAdaptArguments(); 51044f0eee88ff00398ff7f715fab053374d808c90dSteve Block 51144f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Set prototypes for the function maps. 5123100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu global_context()->function_map()->set_prototype(*empty_function); 5133100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu global_context()->function_instance_map()->set_prototype(*empty_function); 5146ded16be15dd865a9b21ea304d5273c8be299c87Steve Block global_context()->function_without_prototype_map()-> 5156ded16be15dd865a9b21ea304d5273c8be299c87Steve Block set_prototype(*empty_function); 51644f0eee88ff00398ff7f715fab053374d808c90dSteve Block function_instance_map_writable_prototype_->set_prototype(*empty_function); 517a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 5183100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Allocate the function map first and then patch the prototype later 51944f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<Map> empty_fm = factory->CopyMapDropDescriptors( 5206ded16be15dd865a9b21ea304d5273c8be299c87Steve Block function_without_prototype_map); 5216ded16be15dd865a9b21ea304d5273c8be299c87Steve Block empty_fm->set_instance_descriptors( 52244f0eee88ff00398ff7f715fab053374d808c90dSteve Block function_without_prototype_map->instance_descriptors()); 5233100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu empty_fm->set_prototype(global_context()->object_function()->prototype()); 5243100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu empty_function->set_map(*empty_fm); 5253100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu return empty_function; 5263100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu} 527a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 528a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 52944f0eee88ff00398ff7f715fab053374d808c90dSteve BlockHandle<DescriptorArray> Genesis::ComputeStrictFunctionInstanceDescriptor( 5303ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch PrototypePropertyMode prototypeMode) { 5313ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch int size = (prototypeMode == DONT_ADD_PROTOTYPE) ? 4 : 5; 5323ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Handle<DescriptorArray> descriptors(factory()->NewDescriptorArray(size)); 5333ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch PropertyAttributes attribs = static_cast<PropertyAttributes>( 5343ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch DONT_ENUM | DONT_DELETE); 5353ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch 5363ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch DescriptorArray::WhitenessWitness witness(*descriptors); 53744f0eee88ff00398ff7f715fab053374d808c90dSteve Block 5383ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch { // Add length. 5393ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Handle<Foreign> f(factory()->NewForeign(&Accessors::FunctionLength)); 5403ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch CallbacksDescriptor d(*factory()->length_symbol(), *f, attribs); 5413ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch descriptors->Set(0, &d, witness); 54244f0eee88ff00398ff7f715fab053374d808c90dSteve Block } 5433ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch { // Add name. 5443ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Handle<Foreign> f(factory()->NewForeign(&Accessors::FunctionName)); 5453ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch CallbacksDescriptor d(*factory()->name_symbol(), *f, attribs); 5463ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch descriptors->Set(1, &d, witness); 54744f0eee88ff00398ff7f715fab053374d808c90dSteve Block } 5483ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch { // Add arguments. 5493ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Handle<AccessorPair> arguments(factory()->NewAccessorPair()); 5503ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch CallbacksDescriptor d(*factory()->arguments_symbol(), *arguments, attribs); 5513ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch descriptors->Set(2, &d, witness); 55244f0eee88ff00398ff7f715fab053374d808c90dSteve Block } 5533ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch { // Add caller. 5543ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Handle<AccessorPair> caller(factory()->NewAccessorPair()); 5553ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch CallbacksDescriptor d(*factory()->caller_symbol(), *caller, attribs); 5563ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch descriptors->Set(3, &d, witness); 55744f0eee88ff00398ff7f715fab053374d808c90dSteve Block } 55844f0eee88ff00398ff7f715fab053374d808c90dSteve Block 55944f0eee88ff00398ff7f715fab053374d808c90dSteve Block if (prototypeMode != DONT_ADD_PROTOTYPE) { 5603ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // Add prototype. 5613ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch if (prototypeMode != ADD_WRITEABLE_PROTOTYPE) { 5623ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch attribs = static_cast<PropertyAttributes>(attribs | READ_ONLY); 56344f0eee88ff00398ff7f715fab053374d808c90dSteve Block } 5643ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Handle<Foreign> f(factory()->NewForeign(&Accessors::FunctionPrototype)); 5653ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch CallbacksDescriptor d(*factory()->prototype_symbol(), *f, attribs); 5663ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch descriptors->Set(4, &d, witness); 56744f0eee88ff00398ff7f715fab053374d808c90dSteve Block } 56844f0eee88ff00398ff7f715fab053374d808c90dSteve Block 5693ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch descriptors->Sort(witness); 57044f0eee88ff00398ff7f715fab053374d808c90dSteve Block return descriptors; 57144f0eee88ff00398ff7f715fab053374d808c90dSteve Block} 57244f0eee88ff00398ff7f715fab053374d808c90dSteve Block 57344f0eee88ff00398ff7f715fab053374d808c90dSteve Block 57444f0eee88ff00398ff7f715fab053374d808c90dSteve Block// ECMAScript 5th Edition, 13.2.3 575257744e915dfc84d6d07a6b2accf8402d9ffc708Ben MurdochHandle<JSFunction> Genesis::GetThrowTypeErrorFunction() { 576257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch if (throw_type_error_function.is_null()) { 577257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<String> name = factory()->LookupAsciiSymbol("ThrowTypeError"); 578257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch throw_type_error_function = 5793ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch factory()->NewFunctionWithoutPrototype(name, CLASSIC_MODE); 580257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Code> code(isolate()->builtins()->builtin( 581257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Builtins::kStrictModePoisonPill)); 582257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch throw_type_error_function->set_map( 583257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch global_context()->function_map()); 584257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch throw_type_error_function->set_code(*code); 585257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch throw_type_error_function->shared()->set_code(*code); 586257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch throw_type_error_function->shared()->DontAdaptArguments(); 587257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch 5883ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch JSObject::PreventExtensions(throw_type_error_function); 589257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch } 590257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch return throw_type_error_function; 59144f0eee88ff00398ff7f715fab053374d808c90dSteve Block} 59244f0eee88ff00398ff7f715fab053374d808c90dSteve Block 59344f0eee88ff00398ff7f715fab053374d808c90dSteve Block 59444f0eee88ff00398ff7f715fab053374d808c90dSteve BlockHandle<Map> Genesis::CreateStrictModeFunctionMap( 59544f0eee88ff00398ff7f715fab053374d808c90dSteve Block PrototypePropertyMode prototype_mode, 5963ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Handle<JSFunction> empty_function) { 597257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Map> map = factory()->NewMap(JS_FUNCTION_TYPE, JSFunction::kSize); 59844f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<DescriptorArray> descriptors = 5993ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch ComputeStrictFunctionInstanceDescriptor(prototype_mode); 60044f0eee88ff00398ff7f715fab053374d808c90dSteve Block map->set_instance_descriptors(*descriptors); 60144f0eee88ff00398ff7f715fab053374d808c90dSteve Block map->set_function_with_prototype(prototype_mode != DONT_ADD_PROTOTYPE); 60244f0eee88ff00398ff7f715fab053374d808c90dSteve Block map->set_prototype(*empty_function); 60344f0eee88ff00398ff7f715fab053374d808c90dSteve Block return map; 60444f0eee88ff00398ff7f715fab053374d808c90dSteve Block} 60544f0eee88ff00398ff7f715fab053374d808c90dSteve Block 60644f0eee88ff00398ff7f715fab053374d808c90dSteve Block 60744f0eee88ff00398ff7f715fab053374d808c90dSteve Blockvoid Genesis::CreateStrictModeFunctionMaps(Handle<JSFunction> empty) { 60844f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Allocate map for the strict mode function instances. 6098b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch Handle<Map> strict_mode_function_instance_map = 6103ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch CreateStrictModeFunctionMap(ADD_WRITEABLE_PROTOTYPE, empty); 61144f0eee88ff00398ff7f715fab053374d808c90dSteve Block global_context()->set_strict_mode_function_instance_map( 6128b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch *strict_mode_function_instance_map); 61344f0eee88ff00398ff7f715fab053374d808c90dSteve Block 61444f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Allocate map for the prototype-less strict mode instances. 6158b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch Handle<Map> strict_mode_function_without_prototype_map = 6163ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch CreateStrictModeFunctionMap(DONT_ADD_PROTOTYPE, empty); 61744f0eee88ff00398ff7f715fab053374d808c90dSteve Block global_context()->set_strict_mode_function_without_prototype_map( 6188b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch *strict_mode_function_without_prototype_map); 61944f0eee88ff00398ff7f715fab053374d808c90dSteve Block 62044f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Allocate map for the strict mode functions. This map is temporary, used 62144f0eee88ff00398ff7f715fab053374d808c90dSteve Block // only for processing of builtins. 62244f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Later the map is replaced with writable prototype map, allocated below. 6238b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch Handle<Map> strict_mode_function_map = 6243ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch CreateStrictModeFunctionMap(ADD_READONLY_PROTOTYPE, empty); 62544f0eee88ff00398ff7f715fab053374d808c90dSteve Block global_context()->set_strict_mode_function_map( 6268b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch *strict_mode_function_map); 62744f0eee88ff00398ff7f715fab053374d808c90dSteve Block 62844f0eee88ff00398ff7f715fab053374d808c90dSteve Block // The final map for the strict mode functions. Writeable prototype. 62944f0eee88ff00398ff7f715fab053374d808c90dSteve Block // This map is installed in MakeFunctionInstancePrototypeWritable. 63044f0eee88ff00398ff7f715fab053374d808c90dSteve Block strict_mode_function_instance_map_writable_prototype_ = 6313ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch CreateStrictModeFunctionMap(ADD_WRITEABLE_PROTOTYPE, empty); 6323ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch 6333ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // Complete the callbacks. 6343ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch PoisonArgumentsAndCaller(strict_mode_function_instance_map); 6353ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch PoisonArgumentsAndCaller(strict_mode_function_without_prototype_map); 6363ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch PoisonArgumentsAndCaller(strict_mode_function_map); 6373ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch PoisonArgumentsAndCaller( 6383ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch strict_mode_function_instance_map_writable_prototype_); 6393ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch} 6403ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch 6413ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch 6423ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdochstatic void SetAccessors(Handle<Map> map, 6433ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Handle<String> name, 6443ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Handle<JSFunction> func) { 6453ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch DescriptorArray* descs = map->instance_descriptors(); 6463ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch int number = descs->Search(*name); 6473ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch AccessorPair* accessors = AccessorPair::cast(descs->GetValue(number)); 6483ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch accessors->set_getter(*func); 6493ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch accessors->set_setter(*func); 6503ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch} 6513ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch 6523ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch 6533ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdochvoid Genesis::PoisonArgumentsAndCaller(Handle<Map> map) { 6543ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch SetAccessors(map, factory()->arguments_symbol(), GetThrowTypeErrorFunction()); 6553ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch SetAccessors(map, factory()->caller_symbol(), GetThrowTypeErrorFunction()); 65644f0eee88ff00398ff7f715fab053374d808c90dSteve Block} 65744f0eee88ff00398ff7f715fab053374d808c90dSteve Block 65844f0eee88ff00398ff7f715fab053374d808c90dSteve Block 659b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdochstatic void AddToWeakGlobalContextList(Context* context) { 660b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch ASSERT(context->IsGlobalContext()); 661257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Heap* heap = context->GetIsolate()->heap(); 662b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch#ifdef DEBUG 663b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch { // NOLINT 664b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch ASSERT(context->get(Context::NEXT_CONTEXT_LINK)->IsUndefined()); 665b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch // Check that context is not in the list yet. 66644f0eee88ff00398ff7f715fab053374d808c90dSteve Block for (Object* current = heap->global_contexts_list(); 667b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch !current->IsUndefined(); 668b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch current = Context::cast(current)->get(Context::NEXT_CONTEXT_LINK)) { 669b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch ASSERT(current != context); 670b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch } 671b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch } 672b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch#endif 67344f0eee88ff00398ff7f715fab053374d808c90dSteve Block context->set(Context::NEXT_CONTEXT_LINK, heap->global_contexts_list()); 67444f0eee88ff00398ff7f715fab053374d808c90dSteve Block heap->set_global_contexts_list(context); 675b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch} 676b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch 677b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch 6783100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescuvoid Genesis::CreateRoots() { 6793100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Allocate the global context FixedArray first and then patch the 6803100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // closure and extension object later (we need the empty function 6813100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // and the global object, but in order to create those, we need the 6823100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // global context). 683257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch global_context_ = Handle<Context>::cast(isolate()->global_handles()->Create( 684257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch *factory()->NewGlobalContext())); 685b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch AddToWeakGlobalContextList(*global_context_); 686257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch isolate()->set_context(*global_context()); 687a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 6883100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Allocate the message listeners object. 6893100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu { 6903100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu v8::NeanderArray listeners; 6913100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu global_context()->set_message_listeners(*listeners.value()); 6923100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu } 6933100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu} 694a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 695a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 6963100271588b61cbc1dc472a3f2f105d2eed8497fAndrei PopescuHandle<JSGlobalProxy> Genesis::CreateNewGlobals( 6973100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu v8::Handle<v8::ObjectTemplate> global_template, 6983100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<Object> global_object, 6993100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<GlobalObject>* inner_global_out) { 7003100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // The argument global_template aka data is an ObjectTemplateInfo. 7013100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // It has a constructor pointer that points at global_constructor which is a 7023100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // FunctionTemplateInfo. 7033100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // The global_constructor is used to create or reinitialize the global_proxy. 7043100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // The global_constructor also has a prototype_template pointer that points at 7053100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // js_global_template which is an ObjectTemplateInfo. 7063100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // That in turn has a constructor pointer that points at 7073100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // js_global_constructor which is a FunctionTemplateInfo. 7083100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // js_global_constructor is used to make js_global_function 7093100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // js_global_function is used to make the new inner_global. 7103100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // 7113100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // --- G l o b a l --- 7123100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Step 1: Create a fresh inner JSGlobalObject. 7133100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<JSFunction> js_global_function; 7143100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<ObjectTemplateInfo> js_global_template; 7153100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu if (!global_template.IsEmpty()) { 7163100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Get prototype template of the global_template. 7173100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<ObjectTemplateInfo> data = 7183100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu v8::Utils::OpenHandle(*global_template); 7193100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<FunctionTemplateInfo> global_constructor = 7203100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<FunctionTemplateInfo>( 7213100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu FunctionTemplateInfo::cast(data->constructor())); 7223100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<Object> proto_template(global_constructor->prototype_template()); 7233100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu if (!proto_template->IsUndefined()) { 7243100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu js_global_template = 7253100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<ObjectTemplateInfo>::cast(proto_template); 726a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 7273100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu } 728a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 7293100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu if (js_global_template.is_null()) { 730257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<String> name = Handle<String>(heap()->empty_symbol()); 731257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Code> code = Handle<Code>(isolate()->builtins()->builtin( 73244f0eee88ff00398ff7f715fab053374d808c90dSteve Block Builtins::kIllegal)); 7333100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu js_global_function = 734257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewFunction(name, JS_GLOBAL_OBJECT_TYPE, 735257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch JSGlobalObject::kSize, code, true); 7363100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Change the constructor property of the prototype of the 7373100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // hidden global function to refer to the Object function. 7383100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<JSObject> prototype = 7393100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<JSObject>( 7403100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu JSObject::cast(js_global_function->instance_prototype())); 7413ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch CHECK_NOT_EMPTY_HANDLE(isolate(), 7423ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch JSObject::SetLocalPropertyIgnoreAttributes( 7433ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch prototype, factory()->constructor_symbol(), 7443ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch isolate()->object_function(), NONE)); 7453100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu } else { 7463100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<FunctionTemplateInfo> js_global_constructor( 7473100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu FunctionTemplateInfo::cast(js_global_template->constructor())); 7483100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu js_global_function = 749257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->CreateApiFunction(js_global_constructor, 750257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->InnerGlobalObject); 7513100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu } 7523100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu 7533100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu js_global_function->initial_map()->set_is_hidden_prototype(); 7543100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<GlobalObject> inner_global = 755257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewGlobalObject(js_global_function); 7563100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu if (inner_global_out != NULL) { 7573100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu *inner_global_out = inner_global; 7583100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu } 7593100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu 7603100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Step 2: create or re-initialize the global proxy object. 7613100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<JSFunction> global_proxy_function; 7623100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu if (global_template.IsEmpty()) { 763257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<String> name = Handle<String>(heap()->empty_symbol()); 764257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Code> code = Handle<Code>(isolate()->builtins()->builtin( 76544f0eee88ff00398ff7f715fab053374d808c90dSteve Block Builtins::kIllegal)); 7663100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu global_proxy_function = 767257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewFunction(name, JS_GLOBAL_PROXY_TYPE, 768257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch JSGlobalProxy::kSize, code, true); 7693100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu } else { 7703100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<ObjectTemplateInfo> data = 7713100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu v8::Utils::OpenHandle(*global_template); 7723100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<FunctionTemplateInfo> global_constructor( 7733100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu FunctionTemplateInfo::cast(data->constructor())); 7743100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu global_proxy_function = 775257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->CreateApiFunction(global_constructor, 776257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->OuterGlobalObject); 7773100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu } 7783100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu 779257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<String> global_name = factory()->LookupAsciiSymbol("global"); 7803100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu global_proxy_function->shared()->set_instance_class_name(*global_name); 7813100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu global_proxy_function->initial_map()->set_is_access_check_needed(true); 782a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 7833100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Set global_proxy.__proto__ to js_global after ConfigureGlobalObjects 7843100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Return the global proxy. 7853100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu 7863100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu if (global_object.location() != NULL) { 7873100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu ASSERT(global_object->IsJSGlobalProxy()); 7883100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu return ReinitializeJSGlobalProxy( 7893100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu global_proxy_function, 7903100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<JSGlobalProxy>::cast(global_object)); 7913100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu } else { 7923100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu return Handle<JSGlobalProxy>::cast( 793257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewJSObject(global_proxy_function, TENURED)); 794a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 7953100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu} 7963100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu 7973100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu 7983100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescuvoid Genesis::HookUpGlobalProxy(Handle<GlobalObject> inner_global, 7993100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<JSGlobalProxy> global_proxy) { 8003100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Set the global context for the global object. 8013100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu inner_global->set_global_context(*global_context()); 8023100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu inner_global->set_global_receiver(*global_proxy); 8033100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu global_proxy->set_context(*global_context()); 8043100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu global_context()->set_global_proxy(*global_proxy); 8053100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu} 8063100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu 8073100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu 808402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescuvoid Genesis::HookUpInnerGlobal(Handle<GlobalObject> inner_global) { 809402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu Handle<GlobalObject> inner_global_from_snapshot( 810402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu GlobalObject::cast(global_context_->extension())); 811402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu Handle<JSBuiltinsObject> builtins_global(global_context_->builtins()); 812402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu global_context_->set_extension(*inner_global); 813402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu global_context_->set_global(*inner_global); 814402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu global_context_->set_security_token(*inner_global); 815402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu static const PropertyAttributes attributes = 816402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu static_cast<PropertyAttributes>(READ_ONLY | DONT_DELETE); 817402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu ForceSetProperty(builtins_global, 818257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->LookupAsciiSymbol("global"), 819402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu inner_global, 820402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu attributes); 8213ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // Set up the reference from the global object to the builtins object. 822402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu JSGlobalObject::cast(*inner_global)->set_builtins(*builtins_global); 823402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu TransferNamedProperties(inner_global_from_snapshot, inner_global); 824402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu TransferIndexedProperties(inner_global_from_snapshot, inner_global); 825402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu} 826402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu 827402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu 828402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu// This is only called if we are not using snapshots. The equivalent 829402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu// work in the snapshot case is done in HookUpInnerGlobal. 8303ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdochbool Genesis::InitializeGlobal(Handle<GlobalObject> inner_global, 8313100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<JSFunction> empty_function) { 8323100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // --- G l o b a l C o n t e x t --- 8333100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Use the empty function as closure (no scope info). 8343100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu global_context()->set_closure(*empty_function); 8353100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu global_context()->set_previous(NULL); 8363100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Set extension and global object. 8373100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu global_context()->set_extension(*inner_global); 8383100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu global_context()->set_global(*inner_global); 8393100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Security setup: Set the security token of the global object to 8403100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // its the inner global. This makes the security check between two 8413100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // different contexts fail by default even in case of global 8423100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // object reinitialization. 8433100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu global_context()->set_security_token(*inner_global); 8443100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu 845257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Isolate* isolate = inner_global->GetIsolate(); 84644f0eee88ff00398ff7f715fab053374d808c90dSteve Block Factory* factory = isolate->factory(); 84744f0eee88ff00398ff7f715fab053374d808c90dSteve Block Heap* heap = isolate->heap(); 84844f0eee88ff00398ff7f715fab053374d808c90dSteve Block 84944f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<String> object_name = Handle<String>(heap->Object_symbol()); 8503ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch CHECK_NOT_EMPTY_HANDLE(isolate, 8513ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch JSObject::SetLocalPropertyIgnoreAttributes( 8523ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch inner_global, object_name, 8533ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch isolate->object_function(), DONT_ENUM)); 854a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 855a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSObject> global = Handle<JSObject>(global_context()->global()); 856a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 857a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Install global Function object 858a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block InstallFunction(global, "Function", JS_FUNCTION_TYPE, JSFunction::kSize, 85944f0eee88ff00398ff7f715fab053374d808c90dSteve Block empty_function, Builtins::kIllegal, true); // ECMA native. 860a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 861a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block { // --- A r r a y --- 862a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction> array_function = 863a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block InstallFunction(global, "Array", JS_ARRAY_TYPE, JSArray::kSize, 86444f0eee88ff00398ff7f715fab053374d808c90dSteve Block isolate->initial_object_prototype(), 86544f0eee88ff00398ff7f715fab053374d808c90dSteve Block Builtins::kArrayCode, true); 866a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block array_function->shared()->set_construct_stub( 86744f0eee88ff00398ff7f715fab053374d808c90dSteve Block isolate->builtins()->builtin(Builtins::kArrayConstructCode)); 868a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block array_function->shared()->DontAdaptArguments(); 869a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 870a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // This seems a bit hackish, but we need to make sure Array.length 871a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // is 1. 872a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block array_function->shared()->set_length(1); 873a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<DescriptorArray> array_descriptors = 874257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory->CopyAppendForeignDescriptor( 87544f0eee88ff00398ff7f715fab053374d808c90dSteve Block factory->empty_descriptor_array(), 87644f0eee88ff00398ff7f715fab053374d808c90dSteve Block factory->length_symbol(), 877257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory->NewForeign(&Accessors::ArrayLength), 878a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block static_cast<PropertyAttributes>(DONT_ENUM | DONT_DELETE)); 879a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 880a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // array_function is used internally. JS code creating array object should 881a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // search for the 'Array' property on the global object and use that one 882a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // as the constructor. 'Array' property on a global object can be 883a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // overwritten by JS code. 884a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block global_context()->set_array_function(*array_function); 8853ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch array_function->initial_map()->set_instance_descriptors(*array_descriptors); 886a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 887a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 888a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block { // --- N u m b e r --- 889a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction> number_fun = 890a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block InstallFunction(global, "Number", JS_VALUE_TYPE, JSValue::kSize, 89144f0eee88ff00398ff7f715fab053374d808c90dSteve Block isolate->initial_object_prototype(), 89244f0eee88ff00398ff7f715fab053374d808c90dSteve Block Builtins::kIllegal, true); 893a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block global_context()->set_number_function(*number_fun); 894a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 895a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 896a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block { // --- B o o l e a n --- 897a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction> boolean_fun = 898a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block InstallFunction(global, "Boolean", JS_VALUE_TYPE, JSValue::kSize, 89944f0eee88ff00398ff7f715fab053374d808c90dSteve Block isolate->initial_object_prototype(), 90044f0eee88ff00398ff7f715fab053374d808c90dSteve Block Builtins::kIllegal, true); 901a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block global_context()->set_boolean_function(*boolean_fun); 902a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 903a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 904a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block { // --- S t r i n g --- 905a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction> string_fun = 906a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block InstallFunction(global, "String", JS_VALUE_TYPE, JSValue::kSize, 90744f0eee88ff00398ff7f715fab053374d808c90dSteve Block isolate->initial_object_prototype(), 90844f0eee88ff00398ff7f715fab053374d808c90dSteve Block Builtins::kIllegal, true); 90980d68eab642096c1a48b6474d6ec33064b0ad1f5Kristian Monsen string_fun->shared()->set_construct_stub( 91044f0eee88ff00398ff7f715fab053374d808c90dSteve Block isolate->builtins()->builtin(Builtins::kStringConstructCode)); 911a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block global_context()->set_string_function(*string_fun); 912a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Add 'length' property to strings. 913a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<DescriptorArray> string_descriptors = 914257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory->CopyAppendForeignDescriptor( 91544f0eee88ff00398ff7f715fab053374d808c90dSteve Block factory->empty_descriptor_array(), 91644f0eee88ff00398ff7f715fab053374d808c90dSteve Block factory->length_symbol(), 917257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory->NewForeign(&Accessors::StringLength), 918a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block static_cast<PropertyAttributes>(DONT_ENUM | 919a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block DONT_DELETE | 920a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block READ_ONLY)); 921a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 922a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<Map> string_map = 923a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<Map>(global_context()->string_function()->initial_map()); 924a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block string_map->set_instance_descriptors(*string_descriptors); 925a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 926a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 927a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block { // --- D a t e --- 928a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Builtin functions for Date.prototype. 929a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction> date_fun = 9303ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch InstallFunction(global, "Date", JS_DATE_TYPE, JSDate::kSize, 93144f0eee88ff00398ff7f715fab053374d808c90dSteve Block isolate->initial_object_prototype(), 93244f0eee88ff00398ff7f715fab053374d808c90dSteve Block Builtins::kIllegal, true); 933a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 934a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block global_context()->set_date_function(*date_fun); 935a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 936a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 937a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 938a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block { // -- R e g E x p 939a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Builtin functions for RegExp.prototype. 940a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction> regexp_fun = 941a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block InstallFunction(global, "RegExp", JS_REGEXP_TYPE, JSRegExp::kSize, 94244f0eee88ff00398ff7f715fab053374d808c90dSteve Block isolate->initial_object_prototype(), 94344f0eee88ff00398ff7f715fab053374d808c90dSteve Block Builtins::kIllegal, true); 944a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block global_context()->set_regexp_function(*regexp_fun); 9456ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 9466ded16be15dd865a9b21ea304d5273c8be299c87Steve Block ASSERT(regexp_fun->has_initial_map()); 9476ded16be15dd865a9b21ea304d5273c8be299c87Steve Block Handle<Map> initial_map(regexp_fun->initial_map()); 9486ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 9496ded16be15dd865a9b21ea304d5273c8be299c87Steve Block ASSERT_EQ(0, initial_map->inobject_properties()); 9506ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 95144f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<DescriptorArray> descriptors = factory->NewDescriptorArray(5); 9523ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch DescriptorArray::WhitenessWitness witness(*descriptors); 9536ded16be15dd865a9b21ea304d5273c8be299c87Steve Block PropertyAttributes final = 9546ded16be15dd865a9b21ea304d5273c8be299c87Steve Block static_cast<PropertyAttributes>(DONT_ENUM | DONT_DELETE | READ_ONLY); 9556ded16be15dd865a9b21ea304d5273c8be299c87Steve Block int enum_index = 0; 9566ded16be15dd865a9b21ea304d5273c8be299c87Steve Block { 9576ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // ECMA-262, section 15.10.7.1. 95844f0eee88ff00398ff7f715fab053374d808c90dSteve Block FieldDescriptor field(heap->source_symbol(), 9596ded16be15dd865a9b21ea304d5273c8be299c87Steve Block JSRegExp::kSourceFieldIndex, 9606ded16be15dd865a9b21ea304d5273c8be299c87Steve Block final, 9616ded16be15dd865a9b21ea304d5273c8be299c87Steve Block enum_index++); 9623ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch descriptors->Set(0, &field, witness); 9636ded16be15dd865a9b21ea304d5273c8be299c87Steve Block } 9646ded16be15dd865a9b21ea304d5273c8be299c87Steve Block { 9656ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // ECMA-262, section 15.10.7.2. 96644f0eee88ff00398ff7f715fab053374d808c90dSteve Block FieldDescriptor field(heap->global_symbol(), 9676ded16be15dd865a9b21ea304d5273c8be299c87Steve Block JSRegExp::kGlobalFieldIndex, 9686ded16be15dd865a9b21ea304d5273c8be299c87Steve Block final, 9696ded16be15dd865a9b21ea304d5273c8be299c87Steve Block enum_index++); 9703ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch descriptors->Set(1, &field, witness); 9716ded16be15dd865a9b21ea304d5273c8be299c87Steve Block } 9726ded16be15dd865a9b21ea304d5273c8be299c87Steve Block { 9736ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // ECMA-262, section 15.10.7.3. 97444f0eee88ff00398ff7f715fab053374d808c90dSteve Block FieldDescriptor field(heap->ignore_case_symbol(), 9756ded16be15dd865a9b21ea304d5273c8be299c87Steve Block JSRegExp::kIgnoreCaseFieldIndex, 9766ded16be15dd865a9b21ea304d5273c8be299c87Steve Block final, 9776ded16be15dd865a9b21ea304d5273c8be299c87Steve Block enum_index++); 9783ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch descriptors->Set(2, &field, witness); 9796ded16be15dd865a9b21ea304d5273c8be299c87Steve Block } 9806ded16be15dd865a9b21ea304d5273c8be299c87Steve Block { 9816ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // ECMA-262, section 15.10.7.4. 98244f0eee88ff00398ff7f715fab053374d808c90dSteve Block FieldDescriptor field(heap->multiline_symbol(), 9836ded16be15dd865a9b21ea304d5273c8be299c87Steve Block JSRegExp::kMultilineFieldIndex, 9846ded16be15dd865a9b21ea304d5273c8be299c87Steve Block final, 9856ded16be15dd865a9b21ea304d5273c8be299c87Steve Block enum_index++); 9863ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch descriptors->Set(3, &field, witness); 9876ded16be15dd865a9b21ea304d5273c8be299c87Steve Block } 9886ded16be15dd865a9b21ea304d5273c8be299c87Steve Block { 9896ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // ECMA-262, section 15.10.7.5. 9906ded16be15dd865a9b21ea304d5273c8be299c87Steve Block PropertyAttributes writable = 9916ded16be15dd865a9b21ea304d5273c8be299c87Steve Block static_cast<PropertyAttributes>(DONT_ENUM | DONT_DELETE); 99244f0eee88ff00398ff7f715fab053374d808c90dSteve Block FieldDescriptor field(heap->last_index_symbol(), 9936ded16be15dd865a9b21ea304d5273c8be299c87Steve Block JSRegExp::kLastIndexFieldIndex, 9946ded16be15dd865a9b21ea304d5273c8be299c87Steve Block writable, 9956ded16be15dd865a9b21ea304d5273c8be299c87Steve Block enum_index++); 9963ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch descriptors->Set(4, &field, witness); 9976ded16be15dd865a9b21ea304d5273c8be299c87Steve Block } 9986ded16be15dd865a9b21ea304d5273c8be299c87Steve Block descriptors->SetNextEnumerationIndex(enum_index); 9993ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch descriptors->Sort(witness); 10006ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 10016ded16be15dd865a9b21ea304d5273c8be299c87Steve Block initial_map->set_inobject_properties(5); 10026ded16be15dd865a9b21ea304d5273c8be299c87Steve Block initial_map->set_pre_allocated_property_fields(5); 10036ded16be15dd865a9b21ea304d5273c8be299c87Steve Block initial_map->set_unused_property_fields(0); 10046ded16be15dd865a9b21ea304d5273c8be299c87Steve Block initial_map->set_instance_size( 10056ded16be15dd865a9b21ea304d5273c8be299c87Steve Block initial_map->instance_size() + 5 * kPointerSize); 10066ded16be15dd865a9b21ea304d5273c8be299c87Steve Block initial_map->set_instance_descriptors(*descriptors); 1007756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick initial_map->set_visitor_id(StaticVisitorBase::GetVisitorId(*initial_map)); 10083ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch 10093ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // RegExp prototype object is itself a RegExp. 10103ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Handle<Map> proto_map = factory->CopyMapDropTransitions(initial_map); 10113ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch proto_map->set_prototype(global_context()->initial_object_prototype()); 10123ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Handle<JSObject> proto = factory->NewJSObjectFromMap(proto_map); 10133ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch proto->InObjectPropertyAtPut(JSRegExp::kSourceFieldIndex, 10143ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch heap->empty_string()); 10153ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch proto->InObjectPropertyAtPut(JSRegExp::kGlobalFieldIndex, 10163ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch heap->false_value()); 10173ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch proto->InObjectPropertyAtPut(JSRegExp::kIgnoreCaseFieldIndex, 10183ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch heap->false_value()); 10193ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch proto->InObjectPropertyAtPut(JSRegExp::kMultilineFieldIndex, 10203ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch heap->false_value()); 10213ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch proto->InObjectPropertyAtPut(JSRegExp::kLastIndexFieldIndex, 10223ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Smi::FromInt(0), 10233ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch SKIP_WRITE_BARRIER); // It's a Smi. 10243ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch initial_map->set_prototype(*proto); 10253ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch factory->SetRegExpIrregexpData(Handle<JSRegExp>::cast(proto), 10263ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch JSRegExp::IRREGEXP, factory->empty_string(), 10273ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch JSRegExp::Flags(0), 0); 1028a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 1029a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1030a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block { // -- J S O N 103144f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<String> name = factory->NewStringFromAscii(CStrVector("JSON")); 10323ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Handle<JSFunction> cons = factory->NewFunction(name, 10333ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch factory->the_hole_value()); 10343ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch { MaybeObject* result = cons->SetInstancePrototype( 10353ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch global_context()->initial_object_prototype()); 10363ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch if (result->IsFailure()) return false; 10373ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch } 1038a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block cons->SetInstanceClassName(*name); 103944f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<JSObject> json_object = factory->NewJSObject(cons, TENURED); 1040a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block ASSERT(json_object->IsJSObject()); 10413ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch CHECK_NOT_EMPTY_HANDLE(isolate, 10423ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch JSObject::SetLocalPropertyIgnoreAttributes( 10433ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch global, name, json_object, DONT_ENUM)); 1044a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block global_context()->set_json_object(*json_object); 1045a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 1046a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1047a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block { // --- arguments_boilerplate_ 1048a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Make sure we can recognize argument objects at runtime. 1049a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // This is done by introducing an anonymous function with 1050a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // class_name equals 'Arguments'. 105144f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<String> symbol = factory->LookupAsciiSymbol("Arguments"); 105244f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<Code> code = Handle<Code>( 105344f0eee88ff00398ff7f715fab053374d808c90dSteve Block isolate->builtins()->builtin(Builtins::kIllegal)); 1054a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSObject> prototype = 1055a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSObject>( 1056a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block JSObject::cast(global_context()->object_function()->prototype())); 1057a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1058a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction> function = 105944f0eee88ff00398ff7f715fab053374d808c90dSteve Block factory->NewFunctionWithPrototype(symbol, 1060a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block JS_OBJECT_TYPE, 1061a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block JSObject::kHeaderSize, 1062a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block prototype, 1063a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block code, 1064a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block false); 1065a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block ASSERT(!function->has_initial_map()); 1066a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block function->shared()->set_instance_class_name(*symbol); 1067a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block function->shared()->set_expected_nof_properties(2); 106844f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<JSObject> result = factory->NewJSObject(function); 1069a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1070a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block global_context()->set_arguments_boilerplate(*result); 107144f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Note: length must be added as the first property and 107244f0eee88ff00398ff7f715fab053374d808c90dSteve Block // callee must be added as the second property. 10733ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch CHECK_NOT_EMPTY_HANDLE(isolate, 10743ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch JSObject::SetLocalPropertyIgnoreAttributes( 10753ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch result, factory->length_symbol(), 10763ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch factory->undefined_value(), DONT_ENUM)); 10773ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch CHECK_NOT_EMPTY_HANDLE(isolate, 10783ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch JSObject::SetLocalPropertyIgnoreAttributes( 10793ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch result, factory->callee_symbol(), 10803ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch factory->undefined_value(), DONT_ENUM)); 1081a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1082a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#ifdef DEBUG 10833ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch LookupResult lookup(isolate); 108444f0eee88ff00398ff7f715fab053374d808c90dSteve Block result->LocalLookup(heap->callee_symbol(), &lookup); 10853ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch ASSERT(lookup.IsFound() && (lookup.type() == FIELD)); 108644f0eee88ff00398ff7f715fab053374d808c90dSteve Block ASSERT(lookup.GetFieldIndex() == Heap::kArgumentsCalleeIndex); 1087a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 108844f0eee88ff00398ff7f715fab053374d808c90dSteve Block result->LocalLookup(heap->length_symbol(), &lookup); 10893ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch ASSERT(lookup.IsFound() && (lookup.type() == FIELD)); 109044f0eee88ff00398ff7f715fab053374d808c90dSteve Block ASSERT(lookup.GetFieldIndex() == Heap::kArgumentsLengthIndex); 1091a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 109244f0eee88ff00398ff7f715fab053374d808c90dSteve Block ASSERT(result->map()->inobject_properties() > Heap::kArgumentsCalleeIndex); 109344f0eee88ff00398ff7f715fab053374d808c90dSteve Block ASSERT(result->map()->inobject_properties() > Heap::kArgumentsLengthIndex); 109444f0eee88ff00398ff7f715fab053374d808c90dSteve Block 109544f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Check the state of the object. 109644f0eee88ff00398ff7f715fab053374d808c90dSteve Block ASSERT(result->HasFastProperties()); 109744f0eee88ff00398ff7f715fab053374d808c90dSteve Block ASSERT(result->HasFastElements()); 109844f0eee88ff00398ff7f715fab053374d808c90dSteve Block#endif 109944f0eee88ff00398ff7f715fab053374d808c90dSteve Block } 110044f0eee88ff00398ff7f715fab053374d808c90dSteve Block 11013fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch { // --- aliased_arguments_boilerplate_ 11023fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch // Set up a well-formed parameter map to make assertions happy. 11033fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch Handle<FixedArray> elements = factory->NewFixedArray(2); 11043fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch elements->set_map(heap->non_strict_arguments_elements_map()); 11053fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch Handle<FixedArray> array; 11063fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch array = factory->NewFixedArray(0); 11073fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch elements->set(0, *array); 11083fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch array = factory->NewFixedArray(0); 11093fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch elements->set(1, *array); 11103ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch 11113ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Handle<Map> old_map(global_context()->arguments_boilerplate()->map()); 11123ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Handle<Map> new_map = factory->CopyMapDropTransitions(old_map); 11133ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch new_map->set_pre_allocated_property_fields(2); 11143ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Handle<JSObject> result = factory->NewJSObjectFromMap(new_map); 11153ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // Set elements kind after allocating the object because 11163ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // NewJSObjectFromMap assumes a fast elements map. 11173ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch new_map->set_elements_kind(NON_STRICT_ARGUMENTS_ELEMENTS); 11183fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch result->set_elements(*elements); 11193ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch ASSERT(result->HasNonStrictArgumentsElements()); 11203fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch global_context()->set_aliased_arguments_boilerplate(*result); 11213fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch } 11223fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch 112344f0eee88ff00398ff7f715fab053374d808c90dSteve Block { // --- strict mode arguments boilerplate 112444f0eee88ff00398ff7f715fab053374d808c90dSteve Block const PropertyAttributes attributes = 112544f0eee88ff00398ff7f715fab053374d808c90dSteve Block static_cast<PropertyAttributes>(DONT_ENUM | DONT_DELETE | READ_ONLY); 112644f0eee88ff00398ff7f715fab053374d808c90dSteve Block 112744f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Create the ThrowTypeError functions. 11283ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Handle<AccessorPair> callee = factory->NewAccessorPair(); 11293ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Handle<AccessorPair> caller = factory->NewAccessorPair(); 113044f0eee88ff00398ff7f715fab053374d808c90dSteve Block 1131257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<JSFunction> throw_function = 1132257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch GetThrowTypeErrorFunction(); 113344f0eee88ff00398ff7f715fab053374d808c90dSteve Block 113444f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Install the ThrowTypeError functions. 11353ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch callee->set_getter(*throw_function); 11363ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch callee->set_setter(*throw_function); 11373ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch caller->set_getter(*throw_function); 11383ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch caller->set_setter(*throw_function); 113944f0eee88ff00398ff7f715fab053374d808c90dSteve Block 114044f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Create the descriptor array for the arguments object. 114144f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<DescriptorArray> descriptors = factory->NewDescriptorArray(3); 11423ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch DescriptorArray::WhitenessWitness witness(*descriptors); 114344f0eee88ff00398ff7f715fab053374d808c90dSteve Block { // length 114444f0eee88ff00398ff7f715fab053374d808c90dSteve Block FieldDescriptor d(*factory->length_symbol(), 0, DONT_ENUM); 11453ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch descriptors->Set(0, &d, witness); 114644f0eee88ff00398ff7f715fab053374d808c90dSteve Block } 114744f0eee88ff00398ff7f715fab053374d808c90dSteve Block { // callee 114844f0eee88ff00398ff7f715fab053374d808c90dSteve Block CallbacksDescriptor d(*factory->callee_symbol(), *callee, attributes); 11493ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch descriptors->Set(1, &d, witness); 115044f0eee88ff00398ff7f715fab053374d808c90dSteve Block } 115144f0eee88ff00398ff7f715fab053374d808c90dSteve Block { // caller 115244f0eee88ff00398ff7f715fab053374d808c90dSteve Block CallbacksDescriptor d(*factory->caller_symbol(), *caller, attributes); 11533ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch descriptors->Set(2, &d, witness); 115444f0eee88ff00398ff7f715fab053374d808c90dSteve Block } 11553ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch descriptors->Sort(witness); 115644f0eee88ff00398ff7f715fab053374d808c90dSteve Block 115744f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Create the map. Allocate one in-object field for length. 115844f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<Map> map = factory->NewMap(JS_OBJECT_TYPE, 115944f0eee88ff00398ff7f715fab053374d808c90dSteve Block Heap::kArgumentsObjectSizeStrict); 116044f0eee88ff00398ff7f715fab053374d808c90dSteve Block map->set_instance_descriptors(*descriptors); 116144f0eee88ff00398ff7f715fab053374d808c90dSteve Block map->set_function_with_prototype(true); 116244f0eee88ff00398ff7f715fab053374d808c90dSteve Block map->set_prototype(global_context()->object_function()->prototype()); 116344f0eee88ff00398ff7f715fab053374d808c90dSteve Block map->set_pre_allocated_property_fields(1); 116444f0eee88ff00398ff7f715fab053374d808c90dSteve Block map->set_inobject_properties(1); 116544f0eee88ff00398ff7f715fab053374d808c90dSteve Block 116644f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Copy constructor from the non-strict arguments boilerplate. 116744f0eee88ff00398ff7f715fab053374d808c90dSteve Block map->set_constructor( 116844f0eee88ff00398ff7f715fab053374d808c90dSteve Block global_context()->arguments_boilerplate()->map()->constructor()); 116944f0eee88ff00398ff7f715fab053374d808c90dSteve Block 117044f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Allocate the arguments boilerplate object. 117144f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<JSObject> result = factory->NewJSObjectFromMap(map); 117244f0eee88ff00398ff7f715fab053374d808c90dSteve Block global_context()->set_strict_mode_arguments_boilerplate(*result); 117344f0eee88ff00398ff7f715fab053374d808c90dSteve Block 117444f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Add length property only for strict mode boilerplate. 11753ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch CHECK_NOT_EMPTY_HANDLE(isolate, 11763ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch JSObject::SetLocalPropertyIgnoreAttributes( 11773ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch result, factory->length_symbol(), 11783ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch factory->undefined_value(), DONT_ENUM)); 117944f0eee88ff00398ff7f715fab053374d808c90dSteve Block 118044f0eee88ff00398ff7f715fab053374d808c90dSteve Block#ifdef DEBUG 11813ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch LookupResult lookup(isolate); 118244f0eee88ff00398ff7f715fab053374d808c90dSteve Block result->LocalLookup(heap->length_symbol(), &lookup); 11833ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch ASSERT(lookup.IsFound() && (lookup.type() == FIELD)); 118444f0eee88ff00398ff7f715fab053374d808c90dSteve Block ASSERT(lookup.GetFieldIndex() == Heap::kArgumentsLengthIndex); 118544f0eee88ff00398ff7f715fab053374d808c90dSteve Block 118644f0eee88ff00398ff7f715fab053374d808c90dSteve Block ASSERT(result->map()->inobject_properties() > Heap::kArgumentsLengthIndex); 1187a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1188a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Check the state of the object. 1189a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block ASSERT(result->HasFastProperties()); 1190a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block ASSERT(result->HasFastElements()); 1191a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#endif 1192a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 1193a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1194a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block { // --- context extension 1195a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Create a function for the context extension objects. 119644f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<Code> code = Handle<Code>( 119744f0eee88ff00398ff7f715fab053374d808c90dSteve Block isolate->builtins()->builtin(Builtins::kIllegal)); 1198a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction> context_extension_fun = 119944f0eee88ff00398ff7f715fab053374d808c90dSteve Block factory->NewFunction(factory->empty_symbol(), 1200a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block JS_CONTEXT_EXTENSION_OBJECT_TYPE, 1201a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block JSObject::kHeaderSize, 1202a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block code, 1203a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block true); 1204a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 120544f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<String> name = factory->LookupAsciiSymbol("context_extension"); 1206a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block context_extension_fun->shared()->set_instance_class_name(*name); 1207a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block global_context()->set_context_extension_function(*context_extension_fun); 1208a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 1209a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1210a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1211a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block { 121269a99ed0b2b2ef69d393c371b03db3a98aaf880eBen Murdoch // Set up the call-as-function delegate. 1213a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<Code> code = 121444f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<Code>(isolate->builtins()->builtin( 121544f0eee88ff00398ff7f715fab053374d808c90dSteve Block Builtins::kHandleApiCallAsFunction)); 1216a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction> delegate = 121744f0eee88ff00398ff7f715fab053374d808c90dSteve Block factory->NewFunction(factory->empty_symbol(), JS_OBJECT_TYPE, 1218a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block JSObject::kHeaderSize, code, true); 1219a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block global_context()->set_call_as_function_delegate(*delegate); 1220a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block delegate->shared()->DontAdaptArguments(); 1221a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 1222a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1223a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block { 122469a99ed0b2b2ef69d393c371b03db3a98aaf880eBen Murdoch // Set up the call-as-constructor delegate. 1225a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<Code> code = 122644f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<Code>(isolate->builtins()->builtin( 122744f0eee88ff00398ff7f715fab053374d808c90dSteve Block Builtins::kHandleApiCallAsConstructor)); 1228a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction> delegate = 122944f0eee88ff00398ff7f715fab053374d808c90dSteve Block factory->NewFunction(factory->empty_symbol(), JS_OBJECT_TYPE, 1230a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block JSObject::kHeaderSize, code, true); 1231a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block global_context()->set_call_as_constructor_delegate(*delegate); 1232a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block delegate->shared()->DontAdaptArguments(); 1233a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 1234a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1235a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Initialize the out of memory slot. 123644f0eee88ff00398ff7f715fab053374d808c90dSteve Block global_context()->set_out_of_memory(heap->false_value()); 1237a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1238a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Initialize the data slot. 123944f0eee88ff00398ff7f715fab053374d808c90dSteve Block global_context()->set_data(heap->undefined_value()); 12403ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch 12413ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch { 12423ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // Initialize the random seed slot. 12433ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Handle<ByteArray> zeroed_byte_array( 12443ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch factory->NewByteArray(kRandomStateSize)); 12453ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch global_context()->set_random_seed(*zeroed_byte_array); 12463ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch memset(zeroed_byte_array->GetDataStartAddress(), 0, kRandomStateSize); 12473ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch } 12483ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch return true; 1249a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 1250a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1251a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 125269a99ed0b2b2ef69d393c371b03db3a98aaf880eBen Murdochvoid Genesis::InitializeExperimentalGlobal() { 125369a99ed0b2b2ef69d393c371b03db3a98aaf880eBen Murdoch Handle<JSObject> global = Handle<JSObject>(global_context()->global()); 125469a99ed0b2b2ef69d393c371b03db3a98aaf880eBen Murdoch 125569a99ed0b2b2ef69d393c371b03db3a98aaf880eBen Murdoch // TODO(mstarzinger): Move this into Genesis::InitializeGlobal once we no 12563ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // longer need to live behind a flag, so functions get added to the snapshot. 12573ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch if (FLAG_harmony_collections) { 12583ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch { // -- S e t 12593ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Handle<JSObject> prototype = 12603ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch factory()->NewJSObject(isolate()->object_function(), TENURED); 12613ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch InstallFunction(global, "Set", JS_SET_TYPE, JSSet::kSize, 12623ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch prototype, Builtins::kIllegal, true); 12633ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch } 12643ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch { // -- M a p 12653ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Handle<JSObject> prototype = 12663ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch factory()->NewJSObject(isolate()->object_function(), TENURED); 12673ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch InstallFunction(global, "Map", JS_MAP_TYPE, JSMap::kSize, 12683ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch prototype, Builtins::kIllegal, true); 12693ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch } 12703ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch { // -- W e a k M a p 12713ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Handle<JSObject> prototype = 12723ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch factory()->NewJSObject(isolate()->object_function(), TENURED); 12733ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch InstallFunction(global, "WeakMap", JS_WEAK_MAP_TYPE, JSWeakMap::kSize, 12743ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch prototype, Builtins::kIllegal, true); 12753ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch } 127669a99ed0b2b2ef69d393c371b03db3a98aaf880eBen Murdoch } 127769a99ed0b2b2ef69d393c371b03db3a98aaf880eBen Murdoch} 127869a99ed0b2b2ef69d393c371b03db3a98aaf880eBen Murdoch 127969a99ed0b2b2ef69d393c371b03db3a98aaf880eBen Murdoch 1280257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdochbool Genesis::CompileBuiltin(Isolate* isolate, int index) { 1281a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Vector<const char> name = Natives::GetScriptName(index); 128244f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<String> source_code = 1283257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch isolate->bootstrapper()->NativesSourceLookup(index); 1284257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch return CompileNative(name, source_code); 1285257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch} 1286257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch 1287257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch 1288257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdochbool Genesis::CompileExperimentalBuiltin(Isolate* isolate, int index) { 1289257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Vector<const char> name = ExperimentalNatives::GetScriptName(index); 1290257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Factory* factory = isolate->factory(); 1291257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<String> source_code = 12923fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch factory->NewStringFromAscii( 12933fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch ExperimentalNatives::GetRawScriptSource(index)); 1294a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block return CompileNative(name, source_code); 1295a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 1296a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1297a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1298a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockbool Genesis::CompileNative(Vector<const char> name, Handle<String> source) { 1299a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block HandleScope scope; 1300257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Isolate* isolate = source->GetIsolate(); 1301a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#ifdef ENABLE_DEBUGGER_SUPPORT 130244f0eee88ff00398ff7f715fab053374d808c90dSteve Block isolate->debugger()->set_compiling_natives(true); 1303a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#endif 13043ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // During genesis, the boilerplate for stack overflow won't work until the 13053ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // environment has been at least partially initialized. Add a stack check 13063ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // before entering JS code to catch overflow early. 13073ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch StackLimitCheck check(Isolate::Current()); 13083ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch if (check.HasOverflowed()) return false; 13093ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch 13103100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu bool result = CompileScriptCached(name, 13113100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu source, 13123100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu NULL, 13133100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu NULL, 131444f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<Context>(isolate->context()), 13153100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu true); 131644f0eee88ff00398ff7f715fab053374d808c90dSteve Block ASSERT(isolate->has_pending_exception() != result); 131744f0eee88ff00398ff7f715fab053374d808c90dSteve Block if (!result) isolate->clear_pending_exception(); 1318a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#ifdef ENABLE_DEBUGGER_SUPPORT 131944f0eee88ff00398ff7f715fab053374d808c90dSteve Block isolate->debugger()->set_compiling_natives(false); 1320a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#endif 1321a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block return result; 1322a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 1323a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1324a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1325a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockbool Genesis::CompileScriptCached(Vector<const char> name, 1326a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<String> source, 1327a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block SourceCodeCache* cache, 1328a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block v8::Extension* extension, 13293100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<Context> top_context, 1330a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block bool use_runtime_context) { 1331257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Factory* factory = source->GetIsolate()->factory(); 1332a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block HandleScope scope; 13336ded16be15dd865a9b21ea304d5273c8be299c87Steve Block Handle<SharedFunctionInfo> function_info; 1334a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1335a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // If we can't find the function in the cache, we compile a new 1336a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // function and insert it into the cache. 13376ded16be15dd865a9b21ea304d5273c8be299c87Steve Block if (cache == NULL || !cache->Lookup(name, &function_info)) { 1338a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block ASSERT(source->IsAsciiRepresentation()); 133944f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<String> script_name = factory->NewStringFromUtf8(name); 13406ded16be15dd865a9b21ea304d5273c8be299c87Steve Block function_info = Compiler::Compile( 13413100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu source, 13423100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu script_name, 13433100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu 0, 13443100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu 0, 13453100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu extension, 13463100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu NULL, 1347402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu Handle<String>::null(), 13483100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu use_runtime_context ? NATIVES_CODE : NOT_NATIVES_CODE); 13496ded16be15dd865a9b21ea304d5273c8be299c87Steve Block if (function_info.is_null()) return false; 13506ded16be15dd865a9b21ea304d5273c8be299c87Steve Block if (cache != NULL) cache->Add(name, function_info); 1351a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 1352a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 13533ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // Set up the function context. Conceptually, we should clone the 1354a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // function before overwriting the context but since we're in a 1355a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // single-threaded environment it is not strictly necessary. 13563100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu ASSERT(top_context->IsGlobalContext()); 1357a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<Context> context = 1358a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<Context>(use_runtime_context 13593100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu ? Handle<Context>(top_context->runtime_context()) 13603100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu : top_context); 1361a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction> fun = 136244f0eee88ff00398ff7f715fab053374d808c90dSteve Block factory->NewFunctionFromSharedFunctionInfo(function_info, context); 1363a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 13644515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke // Call function using either the runtime object or the global 1365a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // object as the receiver. Provide no parameters. 1366a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<Object> receiver = 1367a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<Object>(use_runtime_context 13683100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu ? top_context->builtins() 13693100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu : top_context->global()); 1370a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block bool has_pending_exception; 1371257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Execution::Call(fun, receiver, 0, NULL, &has_pending_exception); 1372a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (has_pending_exception) return false; 1373402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu return true; 1374a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 1375a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1376a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1377257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch#define INSTALL_NATIVE(Type, name, var) \ 1378257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<String> var##_name = factory()->LookupAsciiSymbol(name); \ 1379257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Object* var##_native = \ 1380257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch global_context()->builtins()->GetPropertyNoExceptionThrown( \ 1381257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch *var##_name); \ 13828b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch global_context()->set_##var(Type::cast(var##_native)); 1383a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 138444f0eee88ff00398ff7f715fab053374d808c90dSteve Block 1385a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockvoid Genesis::InstallNativeFunctions() { 1386a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block HandleScope scope; 1387a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block INSTALL_NATIVE(JSFunction, "CreateDate", create_date_fun); 1388a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block INSTALL_NATIVE(JSFunction, "ToNumber", to_number_fun); 1389a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block INSTALL_NATIVE(JSFunction, "ToString", to_string_fun); 1390a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block INSTALL_NATIVE(JSFunction, "ToDetailString", to_detail_string_fun); 1391a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block INSTALL_NATIVE(JSFunction, "ToObject", to_object_fun); 1392a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block INSTALL_NATIVE(JSFunction, "ToInteger", to_integer_fun); 1393a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block INSTALL_NATIVE(JSFunction, "ToUint32", to_uint32_fun); 1394a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block INSTALL_NATIVE(JSFunction, "ToInt32", to_int32_fun); 1395e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke INSTALL_NATIVE(JSFunction, "GlobalEval", global_eval_fun); 1396a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block INSTALL_NATIVE(JSFunction, "Instantiate", instantiate_fun); 1397a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block INSTALL_NATIVE(JSFunction, "ConfigureTemplateInstance", 1398a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block configure_instance_fun); 1399a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block INSTALL_NATIVE(JSFunction, "GetStackTraceLine", get_stack_trace_line_fun); 1400a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block INSTALL_NATIVE(JSObject, "functionCache", function_cache); 14013ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch INSTALL_NATIVE(JSFunction, "ToCompletePropertyDescriptor", 14023ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch to_complete_property_descriptor); 1403a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 1404a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1405257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdochvoid Genesis::InstallExperimentalNativeFunctions() { 1406257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch if (FLAG_harmony_proxies) { 14073fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch INSTALL_NATIVE(JSFunction, "DerivedHasTrap", derived_has_trap); 1408257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch INSTALL_NATIVE(JSFunction, "DerivedGetTrap", derived_get_trap); 14093fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch INSTALL_NATIVE(JSFunction, "DerivedSetTrap", derived_set_trap); 14103ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch INSTALL_NATIVE(JSFunction, "ProxyEnumerate", proxy_enumerate); 1411257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch } 1412257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch} 1413257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch 1414a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#undef INSTALL_NATIVE 1415a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1416a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1417a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockbool Genesis::InstallNatives() { 1418a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block HandleScope scope; 1419a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1420a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Create a function for the builtins object. Allocate space for the 1421a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // JavaScript builtins, a reference to the builtins object 1422a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // (itself) and a reference to the global_context directly in the object. 142344f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<Code> code = Handle<Code>( 1424257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch isolate()->builtins()->builtin(Builtins::kIllegal)); 1425a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction> builtins_fun = 1426257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewFunction(factory()->empty_symbol(), 1427257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch JS_BUILTINS_OBJECT_TYPE, 1428257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch JSBuiltinsObject::kSize, code, true); 1429a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1430257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<String> name = factory()->LookupAsciiSymbol("builtins"); 1431a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block builtins_fun->shared()->set_instance_class_name(*name); 1432a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1433a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Allocate the builtins object. 1434a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSBuiltinsObject> builtins = 1435257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<JSBuiltinsObject>::cast(factory()->NewGlobalObject(builtins_fun)); 1436a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block builtins->set_builtins(*builtins); 1437a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block builtins->set_global_context(*global_context()); 1438a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block builtins->set_global_receiver(*builtins); 1439a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 14403ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // Set up the 'global' properties of the builtins object. The 1441a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // 'global' property that refers to the global object is the only 1442a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // way to get from code running in the builtins context to the 1443a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // global object. 1444a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block static const PropertyAttributes attributes = 1445a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block static_cast<PropertyAttributes>(READ_ONLY | DONT_DELETE); 1446257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<String> global_symbol = factory()->LookupAsciiSymbol("global"); 14471e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block Handle<Object> global_obj(global_context()->global()); 14483ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch CHECK_NOT_EMPTY_HANDLE(isolate(), 14493ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch JSObject::SetLocalPropertyIgnoreAttributes( 14503ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch builtins, global_symbol, global_obj, attributes)); 1451a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 14523ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // Set up the reference from the global object to the builtins object. 1453a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block JSGlobalObject::cast(global_context()->global())->set_builtins(*builtins); 1454a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1455a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Create a bridge function that has context in the global context. 1456a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction> bridge = 1457257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewFunction(factory()->empty_symbol(), 1458257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->undefined_value()); 1459257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch ASSERT(bridge->context() == *isolate()->global_context()); 1460a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1461a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Allocate the builtins context. 1462a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<Context> context = 1463257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewFunctionContext(Context::MIN_CONTEXT_SLOTS, bridge); 1464a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block context->set_global(*builtins); // override builtins global object 1465a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1466a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block global_context()->set_runtime_context(*context); 1467a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1468a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block { // -- S c r i p t 1469a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Builtin functions for Script. 1470a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction> script_fun = 1471a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block InstallFunction(builtins, "Script", JS_VALUE_TYPE, JSValue::kSize, 1472257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch isolate()->initial_object_prototype(), 147344f0eee88ff00398ff7f715fab053374d808c90dSteve Block Builtins::kIllegal, false); 1474a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSObject> prototype = 1475257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewJSObject(isolate()->object_function(), TENURED); 1476a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block SetPrototype(script_fun, prototype); 1477a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block global_context()->set_script_function(*script_fun); 1478a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1479a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Add 'source' and 'data' property to scripts. 1480a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block PropertyAttributes common_attributes = 1481a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block static_cast<PropertyAttributes>(DONT_ENUM | DONT_DELETE | READ_ONLY); 1482257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Foreign> foreign_source = 1483257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewForeign(&Accessors::ScriptSource); 1484a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<DescriptorArray> script_descriptors = 1485257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->CopyAppendForeignDescriptor( 1486257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->empty_descriptor_array(), 1487257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->LookupAsciiSymbol("source"), 1488257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch foreign_source, 1489a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block common_attributes); 1490257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Foreign> foreign_name = 1491257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewForeign(&Accessors::ScriptName); 1492a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors = 1493257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->CopyAppendForeignDescriptor( 1494a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors, 1495257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->LookupAsciiSymbol("name"), 1496257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch foreign_name, 1497a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block common_attributes); 1498257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Foreign> foreign_id = factory()->NewForeign(&Accessors::ScriptId); 1499a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors = 1500257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->CopyAppendForeignDescriptor( 1501a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors, 1502257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->LookupAsciiSymbol("id"), 1503257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch foreign_id, 1504a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block common_attributes); 1505257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Foreign> foreign_line_offset = 1506257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewForeign(&Accessors::ScriptLineOffset); 1507a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors = 1508257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->CopyAppendForeignDescriptor( 1509a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors, 1510257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->LookupAsciiSymbol("line_offset"), 1511257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch foreign_line_offset, 1512a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block common_attributes); 1513257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Foreign> foreign_column_offset = 1514257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewForeign(&Accessors::ScriptColumnOffset); 1515a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors = 1516257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->CopyAppendForeignDescriptor( 1517a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors, 1518257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->LookupAsciiSymbol("column_offset"), 1519257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch foreign_column_offset, 1520a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block common_attributes); 1521257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Foreign> foreign_data = 1522257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewForeign(&Accessors::ScriptData); 1523a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors = 1524257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->CopyAppendForeignDescriptor( 1525a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors, 1526257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->LookupAsciiSymbol("data"), 1527257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch foreign_data, 1528a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block common_attributes); 1529257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Foreign> foreign_type = 1530257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewForeign(&Accessors::ScriptType); 1531a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors = 1532257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->CopyAppendForeignDescriptor( 1533a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors, 1534257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->LookupAsciiSymbol("type"), 1535257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch foreign_type, 1536a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block common_attributes); 1537257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Foreign> foreign_compilation_type = 1538257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewForeign(&Accessors::ScriptCompilationType); 1539a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors = 1540257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->CopyAppendForeignDescriptor( 1541a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors, 1542257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->LookupAsciiSymbol("compilation_type"), 1543257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch foreign_compilation_type, 1544a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block common_attributes); 1545257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Foreign> foreign_line_ends = 1546257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewForeign(&Accessors::ScriptLineEnds); 1547a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors = 1548257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->CopyAppendForeignDescriptor( 1549a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors, 1550257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->LookupAsciiSymbol("line_ends"), 1551257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch foreign_line_ends, 1552a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block common_attributes); 1553257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Foreign> foreign_context_data = 1554257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewForeign(&Accessors::ScriptContextData); 1555a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors = 1556257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->CopyAppendForeignDescriptor( 1557a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors, 1558257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->LookupAsciiSymbol("context_data"), 1559257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch foreign_context_data, 1560a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block common_attributes); 1561257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Foreign> foreign_eval_from_script = 1562257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewForeign(&Accessors::ScriptEvalFromScript); 1563a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors = 1564257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->CopyAppendForeignDescriptor( 1565a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors, 1566257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->LookupAsciiSymbol("eval_from_script"), 1567257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch foreign_eval_from_script, 1568a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block common_attributes); 1569257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Foreign> foreign_eval_from_script_position = 1570257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewForeign(&Accessors::ScriptEvalFromScriptPosition); 1571a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors = 1572257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->CopyAppendForeignDescriptor( 1573a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors, 1574257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->LookupAsciiSymbol("eval_from_script_position"), 1575257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch foreign_eval_from_script_position, 1576d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block common_attributes); 1577257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Foreign> foreign_eval_from_function_name = 1578257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewForeign(&Accessors::ScriptEvalFromFunctionName); 1579d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block script_descriptors = 1580257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->CopyAppendForeignDescriptor( 1581d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block script_descriptors, 1582257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->LookupAsciiSymbol("eval_from_function_name"), 1583257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch foreign_eval_from_function_name, 1584a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block common_attributes); 1585a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1586a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<Map> script_map = Handle<Map>(script_fun->initial_map()); 1587a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_map->set_instance_descriptors(*script_descriptors); 1588a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1589a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Allocate the empty script. 1590257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Script> script = factory()->NewScript(factory()->empty_string()); 1591a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script->set_type(Smi::FromInt(Script::TYPE_NATIVE)); 1592257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch heap()->public_set_empty_script(*script); 1593a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 15946ded16be15dd865a9b21ea304d5273c8be299c87Steve Block { 15956ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // Builtin function for OpaqueReference -- a JSValue-based object, 15966ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // that keeps its field isolated from JavaScript code. It may store 15976ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // objects, that JavaScript code may not access. 15986ded16be15dd865a9b21ea304d5273c8be299c87Steve Block Handle<JSFunction> opaque_reference_fun = 15996ded16be15dd865a9b21ea304d5273c8be299c87Steve Block InstallFunction(builtins, "OpaqueReference", JS_VALUE_TYPE, 160044f0eee88ff00398ff7f715fab053374d808c90dSteve Block JSValue::kSize, 1601257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch isolate()->initial_object_prototype(), 160244f0eee88ff00398ff7f715fab053374d808c90dSteve Block Builtins::kIllegal, false); 16036ded16be15dd865a9b21ea304d5273c8be299c87Steve Block Handle<JSObject> prototype = 1604257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewJSObject(isolate()->object_function(), TENURED); 16056ded16be15dd865a9b21ea304d5273c8be299c87Steve Block SetPrototype(opaque_reference_fun, prototype); 16066ded16be15dd865a9b21ea304d5273c8be299c87Steve Block global_context()->set_opaque_reference_function(*opaque_reference_fun); 16076ded16be15dd865a9b21ea304d5273c8be299c87Steve Block } 16086ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 1609e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch { // --- I n t e r n a l A r r a y --- 1610e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch // An array constructor on the builtins object that works like 1611e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch // the public Array constructor, except that its prototype 1612e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch // doesn't inherit from Object.prototype. 1613e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch // To be used only for internal work by builtins. Instances 1614e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch // must not be leaked to user code. 1615e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch Handle<JSFunction> array_function = 1616e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch InstallFunction(builtins, 1617e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch "InternalArray", 1618e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch JS_ARRAY_TYPE, 1619e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch JSArray::kSize, 1620257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch isolate()->initial_object_prototype(), 16213ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Builtins::kInternalArrayCode, 1622e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch true); 1623e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch Handle<JSObject> prototype = 1624257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewJSObject(isolate()->object_function(), TENURED); 1625e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch SetPrototype(array_function, prototype); 1626e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch 1627e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch array_function->shared()->set_construct_stub( 1628257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch isolate()->builtins()->builtin(Builtins::kArrayConstructCode)); 1629e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch array_function->shared()->DontAdaptArguments(); 1630e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch 16313ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // InternalArrays should not use Smi-Only array optimizations. There are too 16323ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // many places in the C++ runtime code (e.g. RegEx) that assume that 16333ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // elements in InternalArrays can be set to non-Smi values without going 16343ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // through a common bottleneck that would make the SMI_ONLY -> FAST_ELEMENT 16353ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // transition easy to trap. Moreover, they rarely are smi-only. 16363ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch MaybeObject* maybe_map = 16373ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch array_function->initial_map()->CopyDropTransitions(); 16383ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Map* new_map; 16393ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch if (!maybe_map->To<Map>(&new_map)) return false; 16403ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch new_map->set_elements_kind(FAST_ELEMENTS); 16413ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch array_function->set_initial_map(new_map); 16423ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch 1643e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch // Make "length" magic on instances. 1644e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch Handle<DescriptorArray> array_descriptors = 1645257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->CopyAppendForeignDescriptor( 1646257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->empty_descriptor_array(), 1647257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->length_symbol(), 1648257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewForeign(&Accessors::ArrayLength), 1649e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch static_cast<PropertyAttributes>(DONT_ENUM | DONT_DELETE)); 1650e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch 1651e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch array_function->initial_map()->set_instance_descriptors( 1652e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch *array_descriptors); 16533ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch 16543ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch global_context()->set_internal_array_function(*array_function); 1655e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch } 1656e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch 16576ded16be15dd865a9b21ea304d5273c8be299c87Steve Block if (FLAG_disable_native_files) { 16586ded16be15dd865a9b21ea304d5273c8be299c87Steve Block PrintF("Warning: Running without installed natives!\n"); 16596ded16be15dd865a9b21ea304d5273c8be299c87Steve Block return true; 16606ded16be15dd865a9b21ea304d5273c8be299c87Steve Block } 1661a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 16623100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Install natives. 16633100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu for (int i = Natives::GetDebuggerCount(); 16643100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu i < Natives::GetBuiltinsCount(); 16653100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu i++) { 1666257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch if (!CompileBuiltin(isolate(), i)) return false; 1667402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu // TODO(ager): We really only need to install the JS builtin 1668402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu // functions on the builtins object after compiling and running 1669402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu // runtime.js. 1670402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu if (!InstallJSBuiltins(builtins)) return false; 1671a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 1672a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1673a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block InstallNativeFunctions(); 1674a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1675756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick // Store the map for the string prototype after the natives has been compiled 16763ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // and the String function has been set up. 1677756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick Handle<JSFunction> string_function(global_context()->string_function()); 1678756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick ASSERT(JSObject::cast( 1679756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick string_function->initial_map()->prototype())->HasFastProperties()); 1680756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick global_context()->set_string_function_prototype_map( 1681756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick HeapObject::cast(string_function->initial_map()->prototype())->map()); 1682756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick 1683a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Install Function.prototype.call and apply. 1684257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch { Handle<String> key = factory()->function_class_symbol(); 1685a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction> function = 1686257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<JSFunction>::cast(GetProperty(isolate()->global(), key)); 1687a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSObject> proto = 1688a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSObject>(JSObject::cast(function->instance_prototype())); 1689a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1690a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Install the call and the apply functions. 1691a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction> call = 1692a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block InstallFunction(proto, "call", JS_OBJECT_TYPE, JSObject::kHeaderSize, 16936ded16be15dd865a9b21ea304d5273c8be299c87Steve Block Handle<JSObject>::null(), 169444f0eee88ff00398ff7f715fab053374d808c90dSteve Block Builtins::kFunctionCall, 1695a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block false); 1696a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction> apply = 1697a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block InstallFunction(proto, "apply", JS_OBJECT_TYPE, JSObject::kHeaderSize, 16986ded16be15dd865a9b21ea304d5273c8be299c87Steve Block Handle<JSObject>::null(), 169944f0eee88ff00398ff7f715fab053374d808c90dSteve Block Builtins::kFunctionApply, 1700a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block false); 1701a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1702a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Make sure that Function.prototype.call appears to be compiled. 1703a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // The code will never be called, but inline caching for call will 1704a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // only work if it appears to be compiled. 1705a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block call->shared()->DontAdaptArguments(); 1706a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block ASSERT(call->is_compiled()); 1707a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1708a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Set the expected parameters for apply to 2; required by builtin. 1709a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block apply->shared()->set_formal_parameter_count(2); 1710a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1711a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Set the lengths for the functions to satisfy ECMA-262. 1712a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block call->shared()->set_length(1); 1713a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block apply->shared()->set_length(2); 1714a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 1715a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 171642effa50d92d47f80404ee63808dbde9921e6202Ben Murdoch InstallBuiltinFunctionIds(); 171742effa50d92d47f80404ee63808dbde9921e6202Ben Murdoch 17186ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // Create a constructor for RegExp results (a variant of Array that 17196ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // predefines the two properties index and match). 17206ded16be15dd865a9b21ea304d5273c8be299c87Steve Block { 17216ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // RegExpResult initial map. 17226ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 17236ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // Find global.Array.prototype to inherit from. 17246ded16be15dd865a9b21ea304d5273c8be299c87Steve Block Handle<JSFunction> array_constructor(global_context()->array_function()); 17256ded16be15dd865a9b21ea304d5273c8be299c87Steve Block Handle<JSObject> array_prototype( 17266ded16be15dd865a9b21ea304d5273c8be299c87Steve Block JSObject::cast(array_constructor->instance_prototype())); 17276ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 17286ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // Add initial map. 17296ded16be15dd865a9b21ea304d5273c8be299c87Steve Block Handle<Map> initial_map = 1730257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewMap(JS_ARRAY_TYPE, JSRegExpResult::kSize); 17316ded16be15dd865a9b21ea304d5273c8be299c87Steve Block initial_map->set_constructor(*array_constructor); 17326ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 17336ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // Set prototype on map. 17346ded16be15dd865a9b21ea304d5273c8be299c87Steve Block initial_map->set_non_instance_prototype(false); 17356ded16be15dd865a9b21ea304d5273c8be299c87Steve Block initial_map->set_prototype(*array_prototype); 17366ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 17376ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // Update map with length accessor from Array and add "index" and "input". 17386ded16be15dd865a9b21ea304d5273c8be299c87Steve Block Handle<DescriptorArray> reresult_descriptors = 1739257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewDescriptorArray(3); 17403ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch DescriptorArray::WhitenessWitness witness(*reresult_descriptors); 1741592a9fc1d8ea420377a2e7efd0600e20b058be2bBen Murdoch 17423ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch JSFunction* array_function = global_context()->array_function(); 17433ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Handle<DescriptorArray> array_descriptors( 17443ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch array_function->initial_map()->instance_descriptors()); 17453ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch int index = array_descriptors->SearchWithCache(heap()->length_symbol()); 17463ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch MaybeObject* copy_result = 17473ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch reresult_descriptors->CopyFrom(0, *array_descriptors, index, witness); 17483ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch if (copy_result->IsFailure()) return false; 17496ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 17506ded16be15dd865a9b21ea304d5273c8be299c87Steve Block int enum_index = 0; 17516ded16be15dd865a9b21ea304d5273c8be299c87Steve Block { 1752257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch FieldDescriptor index_field(heap()->index_symbol(), 17536ded16be15dd865a9b21ea304d5273c8be299c87Steve Block JSRegExpResult::kIndexIndex, 17546ded16be15dd865a9b21ea304d5273c8be299c87Steve Block NONE, 17556ded16be15dd865a9b21ea304d5273c8be299c87Steve Block enum_index++); 17563ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch reresult_descriptors->Set(1, &index_field, witness); 17576ded16be15dd865a9b21ea304d5273c8be299c87Steve Block } 17586ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 17596ded16be15dd865a9b21ea304d5273c8be299c87Steve Block { 1760257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch FieldDescriptor input_field(heap()->input_symbol(), 17616ded16be15dd865a9b21ea304d5273c8be299c87Steve Block JSRegExpResult::kInputIndex, 17626ded16be15dd865a9b21ea304d5273c8be299c87Steve Block NONE, 17636ded16be15dd865a9b21ea304d5273c8be299c87Steve Block enum_index++); 17643ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch reresult_descriptors->Set(2, &input_field, witness); 17656ded16be15dd865a9b21ea304d5273c8be299c87Steve Block } 17663ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch reresult_descriptors->Sort(witness); 17676ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 17686ded16be15dd865a9b21ea304d5273c8be299c87Steve Block initial_map->set_inobject_properties(2); 17696ded16be15dd865a9b21ea304d5273c8be299c87Steve Block initial_map->set_pre_allocated_property_fields(2); 17706ded16be15dd865a9b21ea304d5273c8be299c87Steve Block initial_map->set_unused_property_fields(0); 17716ded16be15dd865a9b21ea304d5273c8be299c87Steve Block initial_map->set_instance_descriptors(*reresult_descriptors); 17726ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 17736ded16be15dd865a9b21ea304d5273c8be299c87Steve Block global_context()->set_regexp_result_map(*initial_map); 17746ded16be15dd865a9b21ea304d5273c8be299c87Steve Block } 17756ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 1776a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#ifdef DEBUG 1777a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block builtins->Verify(); 1778a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#endif 17793100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu 1780a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block return true; 1781a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 1782a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1783a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1784257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdochbool Genesis::InstallExperimentalNatives() { 1785257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch for (int i = ExperimentalNatives::GetDebuggerCount(); 1786257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch i < ExperimentalNatives::GetBuiltinsCount(); 1787257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch i++) { 1788257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch if (FLAG_harmony_proxies && 1789257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch strcmp(ExperimentalNatives::GetScriptName(i).start(), 1790257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch "native proxy.js") == 0) { 1791257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch if (!CompileExperimentalBuiltin(isolate(), i)) return false; 1792257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch } 17933ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch if (FLAG_harmony_collections && 179469a99ed0b2b2ef69d393c371b03db3a98aaf880eBen Murdoch strcmp(ExperimentalNatives::GetScriptName(i).start(), 17953ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch "native collection.js") == 0) { 179669a99ed0b2b2ef69d393c371b03db3a98aaf880eBen Murdoch if (!CompileExperimentalBuiltin(isolate(), i)) return false; 179769a99ed0b2b2ef69d393c371b03db3a98aaf880eBen Murdoch } 1798257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch } 1799257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch 1800257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch InstallExperimentalNativeFunctions(); 1801257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch 1802257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch return true; 1803257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch} 1804257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch 1805257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch 1806b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdochstatic Handle<JSObject> ResolveBuiltinIdHolder( 18070d5e116f6aee03185f237311a943491bb079a768Kristian Monsen Handle<Context> global_context, 18080d5e116f6aee03185f237311a943491bb079a768Kristian Monsen const char* holder_expr) { 1809257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Factory* factory = global_context->GetIsolate()->factory(); 18100d5e116f6aee03185f237311a943491bb079a768Kristian Monsen Handle<GlobalObject> global(global_context->global()); 18110d5e116f6aee03185f237311a943491bb079a768Kristian Monsen const char* period_pos = strchr(holder_expr, '.'); 18120d5e116f6aee03185f237311a943491bb079a768Kristian Monsen if (period_pos == NULL) { 18130d5e116f6aee03185f237311a943491bb079a768Kristian Monsen return Handle<JSObject>::cast( 181444f0eee88ff00398ff7f715fab053374d808c90dSteve Block GetProperty(global, factory->LookupAsciiSymbol(holder_expr))); 181559151504615d929945dc59db37bf1166937748c6Steve Block } 18160d5e116f6aee03185f237311a943491bb079a768Kristian Monsen ASSERT_EQ(".prototype", period_pos); 18170d5e116f6aee03185f237311a943491bb079a768Kristian Monsen Vector<const char> property(holder_expr, 18180d5e116f6aee03185f237311a943491bb079a768Kristian Monsen static_cast<int>(period_pos - holder_expr)); 18190d5e116f6aee03185f237311a943491bb079a768Kristian Monsen Handle<JSFunction> function = Handle<JSFunction>::cast( 182044f0eee88ff00398ff7f715fab053374d808c90dSteve Block GetProperty(global, factory->LookupSymbol(property))); 18210d5e116f6aee03185f237311a943491bb079a768Kristian Monsen return Handle<JSObject>(JSObject::cast(function->prototype())); 18220d5e116f6aee03185f237311a943491bb079a768Kristian Monsen} 18230d5e116f6aee03185f237311a943491bb079a768Kristian Monsen 18240d5e116f6aee03185f237311a943491bb079a768Kristian Monsen 1825b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdochstatic void InstallBuiltinFunctionId(Handle<JSObject> holder, 1826b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch const char* function_name, 1827b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch BuiltinFunctionId id) { 1828257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Factory* factory = holder->GetIsolate()->factory(); 1829257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<String> name = factory->LookupAsciiSymbol(function_name); 18305913587db4c6bab03d97bfe44b06289fd6d7270dJohn Reck Object* function_object = holder->GetProperty(*name)->ToObjectUnchecked(); 18315913587db4c6bab03d97bfe44b06289fd6d7270dJohn Reck Handle<JSFunction> function(JSFunction::cast(function_object)); 183225f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen function->shared()->set_function_data(Smi::FromInt(id)); 183325f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen} 183425f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen 183525f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen 1836b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdochvoid Genesis::InstallBuiltinFunctionIds() { 183725f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen HandleScope scope; 1838b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch#define INSTALL_BUILTIN_ID(holder_expr, fun_name, name) \ 1839b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch { \ 1840b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch Handle<JSObject> holder = ResolveBuiltinIdHolder( \ 1841b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch global_context(), #holder_expr); \ 1842b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch BuiltinFunctionId id = k##name; \ 1843b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch InstallBuiltinFunctionId(holder, #fun_name, id); \ 184425f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen } 1845b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch FUNCTIONS_WITH_ID_LIST(INSTALL_BUILTIN_ID) 1846b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch#undef INSTALL_BUILTIN_ID 184725f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen} 184825f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen 184925f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen 18506ded16be15dd865a9b21ea304d5273c8be299c87Steve Block// Do not forget to update macros.py with named constant 18516ded16be15dd865a9b21ea304d5273c8be299c87Steve Block// of cache id. 18526ded16be15dd865a9b21ea304d5273c8be299c87Steve Block#define JSFUNCTION_RESULT_CACHE_LIST(F) \ 18536ded16be15dd865a9b21ea304d5273c8be299c87Steve Block F(16, global_context()->regexp_function()) 18546ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 18556ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 1856257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdochstatic FixedArray* CreateCache(int size, Handle<JSFunction> factory_function) { 1857257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Factory* factory = factory_function->GetIsolate()->factory(); 18586ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // Caches are supposed to live for a long time, allocate in old space. 18596ded16be15dd865a9b21ea304d5273c8be299c87Steve Block int array_size = JSFunctionResultCache::kEntriesIndex + 2 * size; 18606ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // Cannot use cast as object is not fully initialized yet. 18616ded16be15dd865a9b21ea304d5273c8be299c87Steve Block JSFunctionResultCache* cache = reinterpret_cast<JSFunctionResultCache*>( 1862257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch *factory->NewFixedArrayWithHoles(array_size, TENURED)); 1863257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch cache->set(JSFunctionResultCache::kFactoryIndex, *factory_function); 18646ded16be15dd865a9b21ea304d5273c8be299c87Steve Block cache->MakeZeroSize(); 18656ded16be15dd865a9b21ea304d5273c8be299c87Steve Block return cache; 18666ded16be15dd865a9b21ea304d5273c8be299c87Steve Block} 18676ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 18686ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 18696ded16be15dd865a9b21ea304d5273c8be299c87Steve Blockvoid Genesis::InstallJSFunctionResultCaches() { 18706ded16be15dd865a9b21ea304d5273c8be299c87Steve Block const int kNumberOfCaches = 0 + 18716ded16be15dd865a9b21ea304d5273c8be299c87Steve Block#define F(size, func) + 1 18726ded16be15dd865a9b21ea304d5273c8be299c87Steve Block JSFUNCTION_RESULT_CACHE_LIST(F) 18736ded16be15dd865a9b21ea304d5273c8be299c87Steve Block#undef F 18746ded16be15dd865a9b21ea304d5273c8be299c87Steve Block ; 18756ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 187644f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<FixedArray> caches = FACTORY->NewFixedArray(kNumberOfCaches, TENURED); 18776ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 18786ded16be15dd865a9b21ea304d5273c8be299c87Steve Block int index = 0; 18790d5e116f6aee03185f237311a943491bb079a768Kristian Monsen 1880257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch#define F(size, func) do { \ 1881257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch FixedArray* cache = CreateCache((size), Handle<JSFunction>(func)); \ 1882257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch caches->set(index++, cache); \ 18830d5e116f6aee03185f237311a943491bb079a768Kristian Monsen } while (false) 18840d5e116f6aee03185f237311a943491bb079a768Kristian Monsen 18850d5e116f6aee03185f237311a943491bb079a768Kristian Monsen JSFUNCTION_RESULT_CACHE_LIST(F); 18860d5e116f6aee03185f237311a943491bb079a768Kristian Monsen 18876ded16be15dd865a9b21ea304d5273c8be299c87Steve Block#undef F 18886ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 18896ded16be15dd865a9b21ea304d5273c8be299c87Steve Block global_context()->set_jsfunction_result_caches(*caches); 18906ded16be15dd865a9b21ea304d5273c8be299c87Steve Block} 18916ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 18926ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 189380d68eab642096c1a48b6474d6ec33064b0ad1f5Kristian Monsenvoid Genesis::InitializeNormalizedMapCaches() { 189480d68eab642096c1a48b6474d6ec33064b0ad1f5Kristian Monsen Handle<FixedArray> array( 189544f0eee88ff00398ff7f715fab053374d808c90dSteve Block FACTORY->NewFixedArray(NormalizedMapCache::kEntries, TENURED)); 189680d68eab642096c1a48b6474d6ec33064b0ad1f5Kristian Monsen global_context()->set_normalized_map_cache(NormalizedMapCache::cast(*array)); 189780d68eab642096c1a48b6474d6ec33064b0ad1f5Kristian Monsen} 189880d68eab642096c1a48b6474d6ec33064b0ad1f5Kristian Monsen 189980d68eab642096c1a48b6474d6ec33064b0ad1f5Kristian Monsen 19003100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescubool Bootstrapper::InstallExtensions(Handle<Context> global_context, 19013100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu v8::ExtensionConfiguration* extensions) { 1902257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Isolate* isolate = global_context->GetIsolate(); 19033100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu BootstrapperActive active; 190444f0eee88ff00398ff7f715fab053374d808c90dSteve Block SaveContext saved_context(isolate); 190544f0eee88ff00398ff7f715fab053374d808c90dSteve Block isolate->set_context(*global_context); 19063100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu if (!Genesis::InstallExtensions(global_context, extensions)) return false; 19073100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Genesis::InstallSpecialObjects(global_context); 19083100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu return true; 19093100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu} 19103100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu 19113100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu 19123100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescuvoid Genesis::InstallSpecialObjects(Handle<Context> global_context) { 19133ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Isolate* isolate = global_context->GetIsolate(); 19143ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Factory* factory = isolate->factory(); 1915a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block HandleScope scope; 19163ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Handle<JSGlobalObject> global(JSGlobalObject::cast(global_context->global())); 1917a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Expose the natives in global if a name for it is specified. 1918a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (FLAG_expose_natives_as != NULL && strlen(FLAG_expose_natives_as) != 0) { 19193ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Handle<String> natives = factory->LookupAsciiSymbol(FLAG_expose_natives_as); 19203ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch CHECK_NOT_EMPTY_HANDLE(isolate, 19213ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch JSObject::SetLocalPropertyIgnoreAttributes( 19223ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch global, natives, 19233ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Handle<JSObject>(global->builtins()), 19243ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch DONT_ENUM)); 1925a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 1926a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 19273ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Handle<Object> Error = GetProperty(global, "Error"); 1928a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (Error->IsJSObject()) { 192944f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<String> name = factory->LookupAsciiSymbol("stackTraceLimit"); 19303ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Handle<Smi> stack_trace_limit(Smi::FromInt(FLAG_stack_trace_limit)); 19313ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch CHECK_NOT_EMPTY_HANDLE(isolate, 19323ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch JSObject::SetLocalPropertyIgnoreAttributes( 19333ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Handle<JSObject>::cast(Error), name, 19343ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch stack_trace_limit, NONE)); 1935a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 1936a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1937a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#ifdef ENABLE_DEBUGGER_SUPPORT 1938a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Expose the debug global object in global if a name for it is specified. 1939a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (FLAG_expose_debug_as != NULL && strlen(FLAG_expose_debug_as) != 0) { 194044f0eee88ff00398ff7f715fab053374d808c90dSteve Block Debug* debug = Isolate::Current()->debug(); 1941a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // If loading fails we just bail out without installing the 1942a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // debugger but without tanking the whole context. 194344f0eee88ff00398ff7f715fab053374d808c90dSteve Block if (!debug->Load()) return; 1944a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Set the security token for the debugger context to the same as 1945a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // the shell global context to allow calling between these (otherwise 1946a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // exposing debug global object doesn't make much sense). 194744f0eee88ff00398ff7f715fab053374d808c90dSteve Block debug->debug_context()->set_security_token( 19483100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu global_context->security_token()); 1949a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1950a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<String> debug_string = 195144f0eee88ff00398ff7f715fab053374d808c90dSteve Block factory->LookupAsciiSymbol(FLAG_expose_debug_as); 195244f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<Object> global_proxy(debug->debug_context()->global_proxy()); 19533ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch CHECK_NOT_EMPTY_HANDLE(isolate, 19543ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch JSObject::SetLocalPropertyIgnoreAttributes( 19553ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch global, debug_string, global_proxy, DONT_ENUM)); 1956a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 1957a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#endif 1958a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 1959a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 19603ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdochstatic uint32_t Hash(RegisteredExtension* extension) { 19613ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch return v8::internal::ComputePointerHash(extension); 19623ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch} 19633ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch 19643ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdochstatic bool MatchRegisteredExtensions(void* key1, void* key2) { 19653ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch return key1 == key2; 19663ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch} 19673ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch 19683ef787dbeca8a5fb1086949cda830dccee07bfbdBen MurdochGenesis::ExtensionStates::ExtensionStates() 19693ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch : map_(MatchRegisteredExtensions, 8) { } 19703ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch 19713ef787dbeca8a5fb1086949cda830dccee07bfbdBen MurdochGenesis::ExtensionTraversalState Genesis::ExtensionStates::get_state( 19723ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch RegisteredExtension* extension) { 19733ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch i::HashMap::Entry* entry = map_.Lookup(extension, Hash(extension), false); 19743ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch if (entry == NULL) { 19753ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch return UNVISITED; 19763ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch } 19773ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch return static_cast<ExtensionTraversalState>( 19783ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch reinterpret_cast<intptr_t>(entry->value)); 19793ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch} 19803ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch 19813ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdochvoid Genesis::ExtensionStates::set_state(RegisteredExtension* extension, 19823ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch ExtensionTraversalState state) { 19833ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch map_.Lookup(extension, Hash(extension), true)->value = 19843ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch reinterpret_cast<void*>(static_cast<intptr_t>(state)); 19853ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch} 1986a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 19873100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescubool Genesis::InstallExtensions(Handle<Context> global_context, 19883100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu v8::ExtensionConfiguration* extensions) { 198944f0eee88ff00398ff7f715fab053374d808c90dSteve Block // TODO(isolates): Extensions on multiple isolates may take a little more 199044f0eee88ff00398ff7f715fab053374d808c90dSteve Block // effort. (The external API reads 'ignore'-- does that mean 199144f0eee88ff00398ff7f715fab053374d808c90dSteve Block // we can break the interface?) 199244f0eee88ff00398ff7f715fab053374d808c90dSteve Block 19933ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch 19943ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch ExtensionStates extension_states; // All extensions have state UNVISITED. 199585b71799222b55eb5dd74ea26efe0c64ab655c8cBen Murdoch // Install auto extensions. 19963ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch v8::RegisteredExtension* current = v8::RegisteredExtension::first_extension(); 199785b71799222b55eb5dd74ea26efe0c64ab655c8cBen Murdoch while (current != NULL) { 1998a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (current->extension()->auto_enable()) 19993ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch InstallExtension(current, &extension_states); 2000a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block current = current->next(); 2001a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 2002a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 20033ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch if (FLAG_expose_gc) InstallExtension("v8/gc", &extension_states); 20043ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch if (FLAG_expose_externalize_string) { 20053ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch InstallExtension("v8/externalize", &extension_states); 20063ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch } 2007a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2008a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (extensions == NULL) return true; 2009a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Install required extensions 2010a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block int count = v8::ImplementationUtilities::GetNameCount(extensions); 2011a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block const char** names = v8::ImplementationUtilities::GetNames(extensions); 2012a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block for (int i = 0; i < count; i++) { 20133ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch if (!InstallExtension(names[i], &extension_states)) 2014a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block return false; 2015a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 2016a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2017a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block return true; 2018a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 2019a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2020a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2021a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Installs a named extension. This methods is unoptimized and does 2022a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// not scale well if we want to support a large number of extensions. 20233ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdochbool Genesis::InstallExtension(const char* name, 20243ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch ExtensionStates* extension_states) { 2025a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block v8::RegisteredExtension* current = v8::RegisteredExtension::first_extension(); 2026a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Loop until we find the relevant extension 2027a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block while (current != NULL) { 2028a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (strcmp(name, current->extension()->name()) == 0) break; 2029a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block current = current->next(); 2030a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 2031a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Didn't find the extension; fail. 2032a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (current == NULL) { 2033a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block v8::Utils::ReportApiFailure( 2034a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block "v8::Context::New()", "Cannot find required extension"); 2035a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block return false; 2036a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 20373ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch return InstallExtension(current, extension_states); 2038a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 2039a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2040a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 20413ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdochbool Genesis::InstallExtension(v8::RegisteredExtension* current, 20423ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch ExtensionStates* extension_states) { 2043a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block HandleScope scope; 2044a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 20453ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch if (extension_states->get_state(current) == INSTALLED) return true; 2046a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // The current node has already been visited so there must be a 2047a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // cycle in the dependency graph; fail. 20483ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch if (extension_states->get_state(current) == VISITED) { 2049a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block v8::Utils::ReportApiFailure( 2050a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block "v8::Context::New()", "Circular extension dependency"); 2051a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block return false; 2052a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 20533ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch ASSERT(extension_states->get_state(current) == UNVISITED); 20543ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch extension_states->set_state(current, VISITED); 2055a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block v8::Extension* extension = current->extension(); 2056a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Install the extension's dependencies 2057a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block for (int i = 0; i < extension->dependency_count(); i++) { 20583ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch if (!InstallExtension(extension->dependencies()[i], extension_states)) 20593ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch return false; 2060a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 206144f0eee88ff00398ff7f715fab053374d808c90dSteve Block Isolate* isolate = Isolate::Current(); 20623ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Handle<String> source_code = 20633ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch isolate->factory()->NewExternalStringFromAscii(extension->source()); 20643ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch bool result = CompileScriptCached( 20653ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch CStrVector(extension->name()), 20663ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch source_code, 20673ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch isolate->bootstrapper()->extensions_cache(), 20683ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch extension, 20693ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch Handle<Context>(isolate->context()), 20703ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch false); 207144f0eee88ff00398ff7f715fab053374d808c90dSteve Block ASSERT(isolate->has_pending_exception() != result); 2072a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (!result) { 20733ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // We print out the name of the extension that fail to install. 20743ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // When an error is thrown during bootstrapping we automatically print 20753ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // the line number at which this happened to the console in the isolate 20763ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // error throwing functionality. 20773ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch OS::PrintError("Error installing extension '%s'.\n", 20783ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch current->extension()->name()); 207944f0eee88ff00398ff7f715fab053374d808c90dSteve Block isolate->clear_pending_exception(); 2080a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 20813ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch extension_states->set_state(current, INSTALLED); 20823ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch isolate->NotifyExtensionInstalled(); 2083a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block return result; 2084a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 2085a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2086a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2087402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescubool Genesis::InstallJSBuiltins(Handle<JSBuiltinsObject> builtins) { 2088402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu HandleScope scope; 2089257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Factory* factory = builtins->GetIsolate()->factory(); 2090402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu for (int i = 0; i < Builtins::NumberOfJavaScriptBuiltins(); i++) { 2091402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu Builtins::JavaScript id = static_cast<Builtins::JavaScript>(i); 2092257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<String> name = factory->LookupAsciiSymbol(Builtins::GetName(id)); 20935913587db4c6bab03d97bfe44b06289fd6d7270dJohn Reck Object* function_object = builtins->GetPropertyNoExceptionThrown(*name); 2094402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu Handle<JSFunction> function 20955913587db4c6bab03d97bfe44b06289fd6d7270dJohn Reck = Handle<JSFunction>(JSFunction::cast(function_object)); 2096402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu builtins->set_javascript_builtin(id, *function); 2097402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu Handle<SharedFunctionInfo> shared 2098402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu = Handle<SharedFunctionInfo>(function->shared()); 20993ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch if (!SharedFunctionInfo::EnsureCompiled(shared, CLEAR_EXCEPTION)) { 21003ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch return false; 21013ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch } 2102756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick // Set the code object on the function object. 2103b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch function->ReplaceCode(function->shared()->code()); 21046ded16be15dd865a9b21ea304d5273c8be299c87Steve Block builtins->set_javascript_builtin_code(id, shared->code()); 2105402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu } 2106402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu return true; 21073100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu} 21083100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu 21093100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu 2110a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockbool Genesis::ConfigureGlobalObjects( 2111a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block v8::Handle<v8::ObjectTemplate> global_proxy_template) { 2112a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSObject> global_proxy( 2113a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block JSObject::cast(global_context()->global_proxy())); 2114402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu Handle<JSObject> inner_global(JSObject::cast(global_context()->global())); 2115a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2116a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (!global_proxy_template.IsEmpty()) { 2117a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Configure the global proxy object. 2118a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<ObjectTemplateInfo> proxy_data = 2119a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block v8::Utils::OpenHandle(*global_proxy_template); 2120a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (!ConfigureApiObject(global_proxy, proxy_data)) return false; 2121a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2122a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Configure the inner global object. 2123a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<FunctionTemplateInfo> proxy_constructor( 2124a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block FunctionTemplateInfo::cast(proxy_data->constructor())); 2125a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (!proxy_constructor->prototype_template()->IsUndefined()) { 2126a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<ObjectTemplateInfo> inner_data( 2127a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block ObjectTemplateInfo::cast(proxy_constructor->prototype_template())); 2128402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu if (!ConfigureApiObject(inner_global, inner_data)) return false; 2129a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 2130a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 2131a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2132402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu SetObjectPrototype(global_proxy, inner_global); 2133a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block return true; 2134a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 2135a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2136a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2137a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockbool Genesis::ConfigureApiObject(Handle<JSObject> object, 2138a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<ObjectTemplateInfo> object_template) { 2139a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block ASSERT(!object_template.is_null()); 2140a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block ASSERT(object->IsInstanceOf( 2141a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block FunctionTemplateInfo::cast(object_template->constructor()))); 2142a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2143a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block bool pending_exception = false; 2144a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSObject> obj = 2145a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Execution::InstantiateObject(object_template, &pending_exception); 2146a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (pending_exception) { 2147257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch ASSERT(isolate()->has_pending_exception()); 2148257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch isolate()->clear_pending_exception(); 2149a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block return false; 2150a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 2151a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block TransferObject(obj, object); 2152a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block return true; 2153a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 2154a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2155a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2156a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockvoid Genesis::TransferNamedProperties(Handle<JSObject> from, 2157a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSObject> to) { 2158a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (from->HasFastProperties()) { 2159a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<DescriptorArray> descs = 2160a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<DescriptorArray>(from->map()->instance_descriptors()); 2161a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block for (int i = 0; i < descs->number_of_descriptors(); i++) { 2162a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block PropertyDetails details = PropertyDetails(descs->GetDetails(i)); 2163a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block switch (details.type()) { 2164a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block case FIELD: { 2165a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block HandleScope inner; 2166a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<String> key = Handle<String>(descs->GetKey(i)); 2167a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block int index = descs->GetFieldIndex(i); 2168a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<Object> value = Handle<Object>(from->FastPropertyAt(index)); 21693ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch CHECK_NOT_EMPTY_HANDLE(to->GetIsolate(), 21703ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch JSObject::SetLocalPropertyIgnoreAttributes( 21713ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch to, key, value, details.attributes())); 2172a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block break; 2173a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 2174a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block case CONSTANT_FUNCTION: { 2175a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block HandleScope inner; 2176a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<String> key = Handle<String>(descs->GetKey(i)); 2177a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction> fun = 2178a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction>(descs->GetConstantFunction(i)); 21793ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch CHECK_NOT_EMPTY_HANDLE(to->GetIsolate(), 21803ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch JSObject::SetLocalPropertyIgnoreAttributes( 21813ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch to, key, fun, details.attributes())); 2182a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block break; 2183a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 2184a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block case CALLBACKS: { 21853ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch LookupResult result(isolate()); 2186a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block to->LocalLookup(descs->GetKey(i), &result); 2187a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // If the property is already there we skip it 2188402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu if (result.IsProperty()) continue; 2189a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block HandleScope inner; 21903100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu ASSERT(!to->HasFastProperties()); 21913100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Add to dictionary. 2192a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<String> key = Handle<String>(descs->GetKey(i)); 21933100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<Object> callbacks(descs->GetCallbacksObject(i)); 21943100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu PropertyDetails d = 21953100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu PropertyDetails(details.attributes(), CALLBACKS, details.index()); 21963ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch JSObject::SetNormalizedProperty(to, key, callbacks, d); 2197a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block break; 2198a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 2199a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block case MAP_TRANSITION: 2200589d6979ff2ef66fca2d8fa51404c369ca5e9250Ben Murdoch case ELEMENTS_TRANSITION: 2201a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block case CONSTANT_TRANSITION: 2202a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block case NULL_DESCRIPTOR: 2203a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Ignore non-properties. 2204a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block break; 2205a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block case NORMAL: 2206a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Do not occur since the from object has fast properties. 2207257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch case HANDLER: 2208a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block case INTERCEPTOR: 2209257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch // No element in instance descriptors have proxy or interceptor type. 2210a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block UNREACHABLE(); 2211a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block break; 2212a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 2213a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 2214a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } else { 2215a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<StringDictionary> properties = 2216a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<StringDictionary>(from->property_dictionary()); 2217a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block int capacity = properties->Capacity(); 2218a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block for (int i = 0; i < capacity; i++) { 2219a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Object* raw_key(properties->KeyAt(i)); 2220a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (properties->IsKey(raw_key)) { 2221a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block ASSERT(raw_key->IsString()); 2222a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // If the property is already there we skip it. 22233ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch LookupResult result(isolate()); 2224a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block to->LocalLookup(String::cast(raw_key), &result); 2225402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu if (result.IsProperty()) continue; 2226a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Set the property. 2227a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<String> key = Handle<String>(String::cast(raw_key)); 2228a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<Object> value = Handle<Object>(properties->ValueAt(i)); 2229a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (value->IsJSGlobalPropertyCell()) { 2230a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block value = Handle<Object>(JSGlobalPropertyCell::cast(*value)->value()); 2231a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 2232a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block PropertyDetails details = properties->DetailsAt(i); 22333ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch CHECK_NOT_EMPTY_HANDLE(to->GetIsolate(), 22343ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch JSObject::SetLocalPropertyIgnoreAttributes( 22353ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch to, key, value, details.attributes())); 2236a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 2237a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 2238a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 2239a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 2240a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2241a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2242a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockvoid Genesis::TransferIndexedProperties(Handle<JSObject> from, 2243a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSObject> to) { 2244a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Cloning the elements array is sufficient. 2245a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<FixedArray> from_elements = 2246a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<FixedArray>(FixedArray::cast(from->elements())); 224744f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<FixedArray> to_elements = FACTORY->CopyFixedArray(from_elements); 2248a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block to->set_elements(*to_elements); 2249a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 2250a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2251a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2252a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockvoid Genesis::TransferObject(Handle<JSObject> from, Handle<JSObject> to) { 2253a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block HandleScope outer; 2254257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Factory* factory = from->GetIsolate()->factory(); 2255a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2256a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block ASSERT(!from->IsJSArray()); 2257a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block ASSERT(!to->IsJSArray()); 2258a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2259a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block TransferNamedProperties(from, to); 2260a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block TransferIndexedProperties(from, to); 2261a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2262a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Transfer the prototype (new map is needed). 2263a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<Map> old_to_map = Handle<Map>(to->map()); 2264257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Map> new_to_map = factory->CopyMapDropTransitions(old_to_map); 2265a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block new_to_map->set_prototype(from->map()->prototype()); 2266a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block to->set_map(*new_to_map); 2267a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 2268a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2269a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2270a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockvoid Genesis::MakeFunctionInstancePrototypeWritable() { 227144f0eee88ff00398ff7f715fab053374d808c90dSteve Block // The maps with writable prototype are created in CreateEmptyFunction 227244f0eee88ff00398ff7f715fab053374d808c90dSteve Block // and CreateStrictModeFunctionMaps respectively. Initially the maps are 227344f0eee88ff00398ff7f715fab053374d808c90dSteve Block // created with read-only prototype for JS builtins processing. 227444f0eee88ff00398ff7f715fab053374d808c90dSteve Block ASSERT(!function_instance_map_writable_prototype_.is_null()); 227544f0eee88ff00398ff7f715fab053374d808c90dSteve Block ASSERT(!strict_mode_function_instance_map_writable_prototype_.is_null()); 227644f0eee88ff00398ff7f715fab053374d808c90dSteve Block 227744f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Replace function instance maps to make prototype writable. 227844f0eee88ff00398ff7f715fab053374d808c90dSteve Block global_context()->set_function_map( 227944f0eee88ff00398ff7f715fab053374d808c90dSteve Block *function_instance_map_writable_prototype_); 228044f0eee88ff00398ff7f715fab053374d808c90dSteve Block global_context()->set_strict_mode_function_map( 228144f0eee88ff00398ff7f715fab053374d808c90dSteve Block *strict_mode_function_instance_map_writable_prototype_); 2282a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 2283a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2284a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2285257744e915dfc84d6d07a6b2accf8402d9ffc708Ben MurdochGenesis::Genesis(Isolate* isolate, 2286257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Object> global_object, 2287a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block v8::Handle<v8::ObjectTemplate> global_template, 2288257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch v8::ExtensionConfiguration* extensions) : isolate_(isolate) { 2289a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block result_ = Handle<Context>::null(); 2290a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // If V8 isn't running and cannot be initialized, just return. 2291a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (!V8::IsRunning() && !V8::Initialize(NULL)) return; 2292a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2293a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Before creating the roots we must save the context and restore it 2294a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // on all function exits. 2295a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block HandleScope scope; 229644f0eee88ff00398ff7f715fab053374d808c90dSteve Block SaveContext saved_context(isolate); 22973100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu 22983ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // During genesis, the boilerplate for stack overflow won't work until the 22993ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // environment has been at least partially initialized. Add a stack check 23003ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // before entering JS code to catch overflow early. 23013ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch StackLimitCheck check(Isolate::Current()); 23023ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch if (check.HasOverflowed()) return; 23033ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch 23043100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<Context> new_context = Snapshot::NewContextFromSnapshot(); 23053100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu if (!new_context.is_null()) { 23063100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu global_context_ = 230744f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<Context>::cast(isolate->global_handles()->Create(*new_context)); 2308b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch AddToWeakGlobalContextList(*global_context_); 230944f0eee88ff00398ff7f715fab053374d808c90dSteve Block isolate->set_context(*global_context_); 231044f0eee88ff00398ff7f715fab053374d808c90dSteve Block isolate->counters()->contexts_created_by_snapshot()->Increment(); 2311402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu Handle<GlobalObject> inner_global; 23123100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<JSGlobalProxy> global_proxy = 23133100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu CreateNewGlobals(global_template, 23143100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu global_object, 2315402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu &inner_global); 2316402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu 23173100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu HookUpGlobalProxy(inner_global, global_proxy); 2318402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu HookUpInnerGlobal(inner_global); 2319402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu 23203100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu if (!ConfigureGlobalObjects(global_template)) return; 23213100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu } else { 23223100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // We get here if there was no context snapshot. 23233100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu CreateRoots(); 2324257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<JSFunction> empty_function = CreateEmptyFunction(isolate); 232544f0eee88ff00398ff7f715fab053374d808c90dSteve Block CreateStrictModeFunctionMaps(empty_function); 23263100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<GlobalObject> inner_global; 23273100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<JSGlobalProxy> global_proxy = 23283100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu CreateNewGlobals(global_template, global_object, &inner_global); 23293100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu HookUpGlobalProxy(inner_global, global_proxy); 23303ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch if (!InitializeGlobal(inner_global, empty_function)) return; 23316ded16be15dd865a9b21ea304d5273c8be299c87Steve Block InstallJSFunctionResultCaches(); 233280d68eab642096c1a48b6474d6ec33064b0ad1f5Kristian Monsen InitializeNormalizedMapCaches(); 233325f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen if (!InstallNatives()) return; 23343100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu 23353100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu MakeFunctionInstancePrototypeWritable(); 23363100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu 23373100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu if (!ConfigureGlobalObjects(global_template)) return; 233844f0eee88ff00398ff7f715fab053374d808c90dSteve Block isolate->counters()->contexts_created_from_scratch()->Increment(); 23393100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu } 2340a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 234169a99ed0b2b2ef69d393c371b03db3a98aaf880eBen Murdoch // Initialize experimental globals and install experimental natives. 234269a99ed0b2b2ef69d393c371b03db3a98aaf880eBen Murdoch InitializeExperimentalGlobal(); 2343257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch if (!InstallExperimentalNatives()) return; 2344257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch 2345a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block result_ = global_context_; 2346a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 2347a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2348a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2349a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Support for thread preemption. 2350a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2351a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Reserve space for statics needing saving and restoring. 2352a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockint Bootstrapper::ArchiveSpacePerThread() { 235344f0eee88ff00398ff7f715fab053374d808c90dSteve Block return sizeof(NestingCounterType); 2354a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 2355a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2356a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2357a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Archive statics that are thread local. 2358a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockchar* Bootstrapper::ArchiveState(char* to) { 235944f0eee88ff00398ff7f715fab053374d808c90dSteve Block *reinterpret_cast<NestingCounterType*>(to) = nesting_; 236044f0eee88ff00398ff7f715fab053374d808c90dSteve Block nesting_ = 0; 236144f0eee88ff00398ff7f715fab053374d808c90dSteve Block return to + sizeof(NestingCounterType); 2362a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 2363a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2364a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2365a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Restore statics that are thread local. 2366a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockchar* Bootstrapper::RestoreState(char* from) { 236744f0eee88ff00398ff7f715fab053374d808c90dSteve Block nesting_ = *reinterpret_cast<NestingCounterType*>(from); 236844f0eee88ff00398ff7f715fab053374d808c90dSteve Block return from + sizeof(NestingCounterType); 2369a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 2370a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2371a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2372a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Called when the top-level V8 mutex is destroyed. 2373a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockvoid Bootstrapper::FreeThreadResources() { 237444f0eee88ff00398ff7f715fab053374d808c90dSteve Block ASSERT(!IsActive()); 2375a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 2376a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2377a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} } // namespace v8::internal 2378