bootstrapper.cc revision 69a99ed0b2b2ef69d393c371b03db3a98aaf880e
1257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch// Copyright 2011 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" 37a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#include "macro-assembler.h" 38a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#include "natives.h" 39756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick#include "objects-visiting.h" 40d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block#include "snapshot.h" 418a31eba00023874d4a1dcdc5f411cc4336776874Shimeng (Simon) Wang#include "extensions/externalize-string-extension.h" 428a31eba00023874d4a1dcdc5f411cc4336776874Shimeng (Simon) Wang#include "extensions/gc-extension.h" 43a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 44a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blocknamespace v8 { 45a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blocknamespace internal { 46a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 47d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 4844f0eee88ff00398ff7f715fab053374d808c90dSteve BlockNativesExternalStringResource::NativesExternalStringResource( 4944f0eee88ff00398ff7f715fab053374d808c90dSteve Block Bootstrapper* bootstrapper, 503fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch const char* source, 513fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch size_t length) 523fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch : data_(source), length_(length) { 5344f0eee88ff00398ff7f715fab053374d808c90dSteve Block if (bootstrapper->delete_these_non_arrays_on_tear_down_ == NULL) { 5444f0eee88ff00398ff7f715fab053374d808c90dSteve Block bootstrapper->delete_these_non_arrays_on_tear_down_ = new List<char*>(2); 55d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 56d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // The resources are small objects and we only make a fixed number of 57d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // them, but let's clean them up on exit for neatness. 5844f0eee88ff00398ff7f715fab053374d808c90dSteve Block bootstrapper->delete_these_non_arrays_on_tear_down_-> 59d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Add(reinterpret_cast<char*>(this)); 60d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block} 61a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 62a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 6344f0eee88ff00398ff7f715fab053374d808c90dSteve BlockBootstrapper::Bootstrapper() 6444f0eee88ff00398ff7f715fab053374d808c90dSteve Block : nesting_(0), 6544f0eee88ff00398ff7f715fab053374d808c90dSteve Block extensions_cache_(Script::TYPE_EXTENSION), 6644f0eee88ff00398ff7f715fab053374d808c90dSteve Block delete_these_non_arrays_on_tear_down_(NULL), 6744f0eee88ff00398ff7f715fab053374d808c90dSteve Block delete_these_arrays_on_tear_down_(NULL) { 6844f0eee88ff00398ff7f715fab053374d808c90dSteve Block} 6944f0eee88ff00398ff7f715fab053374d808c90dSteve Block 7044f0eee88ff00398ff7f715fab053374d808c90dSteve Block 71a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockHandle<String> Bootstrapper::NativesSourceLookup(int index) { 72a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block ASSERT(0 <= index && index < Natives::GetBuiltinsCount()); 7344f0eee88ff00398ff7f715fab053374d808c90dSteve Block Isolate* isolate = Isolate::Current(); 7444f0eee88ff00398ff7f715fab053374d808c90dSteve Block Factory* factory = isolate->factory(); 7544f0eee88ff00398ff7f715fab053374d808c90dSteve Block Heap* heap = isolate->heap(); 7644f0eee88ff00398ff7f715fab053374d808c90dSteve Block if (heap->natives_source_cache()->get(index)->IsUndefined()) { 77d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block if (!Snapshot::IsEnabled() || FLAG_new_snapshot) { 78d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // We can use external strings for the natives. 793fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch Vector<const char> source = Natives::GetRawScriptSource(index); 80d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block NativesExternalStringResource* resource = 8144f0eee88ff00398ff7f715fab053374d808c90dSteve Block new NativesExternalStringResource(this, 823fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch source.start(), 833fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch source.length()); 84d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Handle<String> source_code = 8544f0eee88ff00398ff7f715fab053374d808c90dSteve Block factory->NewExternalStringFromAscii(resource); 8644f0eee88ff00398ff7f715fab053374d808c90dSteve Block heap->natives_source_cache()->set(index, *source_code); 87d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } else { 88d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // Old snapshot code can't cope with external strings at all. 89d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Handle<String> source_code = 903fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch factory->NewStringFromAscii(Natives::GetRawScriptSource(index)); 9144f0eee88ff00398ff7f715fab053374d808c90dSteve Block heap->natives_source_cache()->set(index, *source_code); 92d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 93a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 9444f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<Object> cached_source(heap->natives_source_cache()->get(index)); 95a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block return Handle<String>::cast(cached_source); 96a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 97a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 98a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 99a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockvoid Bootstrapper::Initialize(bool create_heap_objects) { 10044f0eee88ff00398ff7f715fab053374d808c90dSteve Block extensions_cache_.Initialize(create_heap_objects); 1018a31eba00023874d4a1dcdc5f411cc4336776874Shimeng (Simon) Wang GCExtension::Register(); 1028a31eba00023874d4a1dcdc5f411cc4336776874Shimeng (Simon) Wang ExternalizeStringExtension::Register(); 103a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 104a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 105a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 106e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarkechar* Bootstrapper::AllocateAutoDeletedArray(int bytes) { 107e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke char* memory = new char[bytes]; 108e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke if (memory != NULL) { 10944f0eee88ff00398ff7f715fab053374d808c90dSteve Block if (delete_these_arrays_on_tear_down_ == NULL) { 11044f0eee88ff00398ff7f715fab053374d808c90dSteve Block delete_these_arrays_on_tear_down_ = new List<char*>(2); 111e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke } 11244f0eee88ff00398ff7f715fab053374d808c90dSteve Block delete_these_arrays_on_tear_down_->Add(memory); 113e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke } 114e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke return memory; 115e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke} 116e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 117e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 118a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockvoid Bootstrapper::TearDown() { 11944f0eee88ff00398ff7f715fab053374d808c90dSteve Block if (delete_these_non_arrays_on_tear_down_ != NULL) { 12044f0eee88ff00398ff7f715fab053374d808c90dSteve Block int len = delete_these_non_arrays_on_tear_down_->length(); 121d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block ASSERT(len < 20); // Don't use this mechanism for unbounded allocations. 122d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block for (int i = 0; i < len; i++) { 12344f0eee88ff00398ff7f715fab053374d808c90dSteve Block delete delete_these_non_arrays_on_tear_down_->at(i); 12444f0eee88ff00398ff7f715fab053374d808c90dSteve Block delete_these_non_arrays_on_tear_down_->at(i) = NULL; 125d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 12644f0eee88ff00398ff7f715fab053374d808c90dSteve Block delete delete_these_non_arrays_on_tear_down_; 12744f0eee88ff00398ff7f715fab053374d808c90dSteve Block delete_these_non_arrays_on_tear_down_ = NULL; 128d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 129d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 13044f0eee88ff00398ff7f715fab053374d808c90dSteve Block if (delete_these_arrays_on_tear_down_ != NULL) { 13144f0eee88ff00398ff7f715fab053374d808c90dSteve Block int len = delete_these_arrays_on_tear_down_->length(); 132e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke ASSERT(len < 1000); // Don't use this mechanism for unbounded allocations. 133e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke for (int i = 0; i < len; i++) { 13444f0eee88ff00398ff7f715fab053374d808c90dSteve Block delete[] delete_these_arrays_on_tear_down_->at(i); 13544f0eee88ff00398ff7f715fab053374d808c90dSteve Block delete_these_arrays_on_tear_down_->at(i) = NULL; 136e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke } 13744f0eee88ff00398ff7f715fab053374d808c90dSteve Block delete delete_these_arrays_on_tear_down_; 13844f0eee88ff00398ff7f715fab053374d808c90dSteve Block delete_these_arrays_on_tear_down_ = NULL; 139e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke } 140e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 14144f0eee88ff00398ff7f715fab053374d808c90dSteve Block extensions_cache_.Initialize(false); // Yes, symmetrical 142a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 143a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 144a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 145a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockclass Genesis BASE_EMBEDDED { 146a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block public: 147257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Genesis(Isolate* isolate, 148257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Object> global_object, 149a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block v8::Handle<v8::ObjectTemplate> global_template, 150a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block v8::ExtensionConfiguration* extensions); 1513100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu ~Genesis() { } 152a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 153a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<Context> result() { return result_; } 154a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 155a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Genesis* previous() { return previous_; } 156a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 157257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Isolate* isolate() const { return isolate_; } 158257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Factory* factory() const { return isolate_->factory(); } 159257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Heap* heap() const { return isolate_->heap(); } 160257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch 161a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block private: 162a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<Context> global_context_; 163257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Isolate* isolate_; 164a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 165a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // There may be more than one active genesis object: When GC is 166a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // triggered during environment creation there may be weak handle 167a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // processing callbacks which may create new environments. 168a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Genesis* previous_; 169a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 170a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<Context> global_context() { return global_context_; } 171a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1723100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Creates some basic objects. Used for creating a context from scratch. 1733100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu void CreateRoots(); 1743100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Creates the empty function. Used for creating a context from scratch. 175257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<JSFunction> CreateEmptyFunction(Isolate* isolate); 17644f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Creates the ThrowTypeError function. ECMA 5th Ed. 13.2.3 177257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<JSFunction> GetThrowTypeErrorFunction(); 17844f0eee88ff00398ff7f715fab053374d808c90dSteve Block 17944f0eee88ff00398ff7f715fab053374d808c90dSteve Block void CreateStrictModeFunctionMaps(Handle<JSFunction> empty); 1803100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Creates the global objects using the global and the template passed in 1813100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // through the API. We call this regardless of whether we are building a 1823100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // context from scratch or using a deserialized one from the partial snapshot 1833100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // but in the latter case we don't use the objects it produces directly, as 1843100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // we have to used the deserialized ones that are linked together with the 1853100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // rest of the context snapshot. 1863100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<JSGlobalProxy> CreateNewGlobals( 1873100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu v8::Handle<v8::ObjectTemplate> global_template, 1883100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<Object> global_object, 1893100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<GlobalObject>* global_proxy_out); 1903100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Hooks the given global proxy into the context. If the context was created 1913100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // by deserialization then this will unhook the global proxy that was 1923100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // deserialized, leaving the GC to pick it up. 1933100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu void HookUpGlobalProxy(Handle<GlobalObject> inner_global, 1943100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<JSGlobalProxy> global_proxy); 195402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu // Similarly, we want to use the inner global that has been created by the 196402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu // templates passed through the API. The inner global from the snapshot is 197402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu // detached from the other objects in the snapshot. 198402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu void HookUpInnerGlobal(Handle<GlobalObject> inner_global); 1993100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // New context initialization. Used for creating a context from scratch. 2003100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu void InitializeGlobal(Handle<GlobalObject> inner_global, 2013100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<JSFunction> empty_function); 20269a99ed0b2b2ef69d393c371b03db3a98aaf880eBen Murdoch void InitializeExperimentalGlobal(); 2033100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Installs the contents of the native .js files on the global objects. 2043100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Used for creating a context from scratch. 205a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block void InstallNativeFunctions(); 206257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch void InstallExperimentalNativeFunctions(); 207a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block bool InstallNatives(); 208257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch bool InstallExperimentalNatives(); 209b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch void InstallBuiltinFunctionIds(); 2106ded16be15dd865a9b21ea304d5273c8be299c87Steve Block void InstallJSFunctionResultCaches(); 21180d68eab642096c1a48b6474d6ec33064b0ad1f5Kristian Monsen void InitializeNormalizedMapCaches(); 2123100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Used both for deserialized and from-scratch contexts to add the extensions 2133100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // provided. 2143100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu static bool InstallExtensions(Handle<Context> global_context, 2153100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu v8::ExtensionConfiguration* extensions); 2163100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu static bool InstallExtension(const char* name); 2173100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu static bool InstallExtension(v8::RegisteredExtension* current); 2183100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu static void InstallSpecialObjects(Handle<Context> global_context); 219402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu bool InstallJSBuiltins(Handle<JSBuiltinsObject> builtins); 220a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block bool ConfigureApiObject(Handle<JSObject> object, 221a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<ObjectTemplateInfo> object_template); 222a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block bool ConfigureGlobalObjects(v8::Handle<v8::ObjectTemplate> global_template); 223a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 224a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Migrates all properties from the 'from' object to the 'to' 225a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // object and overrides the prototype in 'to' with the one from 226a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // 'from'. 227a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block void TransferObject(Handle<JSObject> from, Handle<JSObject> to); 228a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block void TransferNamedProperties(Handle<JSObject> from, Handle<JSObject> to); 229a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block void TransferIndexedProperties(Handle<JSObject> from, Handle<JSObject> to); 230a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2316ded16be15dd865a9b21ea304d5273c8be299c87Steve Block enum PrototypePropertyMode { 2326ded16be15dd865a9b21ea304d5273c8be299c87Steve Block DONT_ADD_PROTOTYPE, 2336ded16be15dd865a9b21ea304d5273c8be299c87Steve Block ADD_READONLY_PROTOTYPE, 2346ded16be15dd865a9b21ea304d5273c8be299c87Steve Block ADD_WRITEABLE_PROTOTYPE 2356ded16be15dd865a9b21ea304d5273c8be299c87Steve Block }; 23644f0eee88ff00398ff7f715fab053374d808c90dSteve Block 23744f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<Map> CreateFunctionMap(PrototypePropertyMode prototype_mode); 23844f0eee88ff00398ff7f715fab053374d808c90dSteve Block 239a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<DescriptorArray> ComputeFunctionInstanceDescriptor( 2406ded16be15dd865a9b21ea304d5273c8be299c87Steve Block PrototypePropertyMode prototypeMode); 241a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block void MakeFunctionInstancePrototypeWritable(); 242a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 24344f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<Map> CreateStrictModeFunctionMap( 24444f0eee88ff00398ff7f715fab053374d808c90dSteve Block PrototypePropertyMode prototype_mode, 24544f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<JSFunction> empty_function, 24644f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<FixedArray> arguments_callbacks, 24744f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<FixedArray> caller_callbacks); 24844f0eee88ff00398ff7f715fab053374d808c90dSteve Block 24944f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<DescriptorArray> ComputeStrictFunctionInstanceDescriptor( 25044f0eee88ff00398ff7f715fab053374d808c90dSteve Block PrototypePropertyMode propertyMode, 25144f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<FixedArray> arguments, 25244f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<FixedArray> caller); 25344f0eee88ff00398ff7f715fab053374d808c90dSteve Block 254257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch static bool CompileBuiltin(Isolate* isolate, int index); 255257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch static bool CompileExperimentalBuiltin(Isolate* isolate, int index); 256a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block static bool CompileNative(Vector<const char> name, Handle<String> source); 257a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block static bool CompileScriptCached(Vector<const char> name, 258a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<String> source, 259a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block SourceCodeCache* cache, 260a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block v8::Extension* extension, 2613100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<Context> top_context, 262a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block bool use_runtime_context); 263a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 264a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<Context> result_; 26544f0eee88ff00398ff7f715fab053374d808c90dSteve Block 26644f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Function instance maps. Function literal maps are created initially with 26744f0eee88ff00398ff7f715fab053374d808c90dSteve Block // a read only prototype for the processing of JS builtins. Later the function 26844f0eee88ff00398ff7f715fab053374d808c90dSteve Block // instance maps are replaced in order to make prototype writable. 26944f0eee88ff00398ff7f715fab053374d808c90dSteve Block // These are the final, writable prototype, maps. 27044f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<Map> function_instance_map_writable_prototype_; 27144f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<Map> strict_mode_function_instance_map_writable_prototype_; 272257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<JSFunction> throw_type_error_function; 27344f0eee88ff00398ff7f715fab053374d808c90dSteve Block 2743100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu BootstrapperActive active_; 2753100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu friend class Bootstrapper; 276a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block}; 277a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 278a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 279a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockvoid Bootstrapper::Iterate(ObjectVisitor* v) { 28044f0eee88ff00398ff7f715fab053374d808c90dSteve Block extensions_cache_.Iterate(v); 281d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block v->Synchronize("Extensions"); 282a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 283a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 284a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 285a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockHandle<Context> Bootstrapper::CreateEnvironment( 286257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Isolate* isolate, 287a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<Object> global_object, 288a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block v8::Handle<v8::ObjectTemplate> global_template, 289a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block v8::ExtensionConfiguration* extensions) { 2903100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu HandleScope scope; 2913100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<Context> env; 292257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Genesis genesis(isolate, global_object, global_template, extensions); 2933100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu env = genesis.result(); 2943100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu if (!env.is_null()) { 2953100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu if (InstallExtensions(env, extensions)) { 2963100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu return env; 2973100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu } 2983100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu } 2993100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu return Handle<Context>(); 300a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 301a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 302a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 303a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockstatic void SetObjectPrototype(Handle<JSObject> object, Handle<Object> proto) { 304a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // object.__proto__ = proto; 305257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Factory* factory = object->GetIsolate()->factory(); 306a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<Map> old_to_map = Handle<Map>(object->map()); 307257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Map> new_to_map = factory->CopyMapDropTransitions(old_to_map); 308a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block new_to_map->set_prototype(*proto); 309a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block object->set_map(*new_to_map); 310a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 311a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 312a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 313a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockvoid Bootstrapper::DetachGlobal(Handle<Context> env) { 314257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Factory* factory = env->GetIsolate()->factory(); 31544f0eee88ff00398ff7f715fab053374d808c90dSteve Block JSGlobalProxy::cast(env->global_proxy())->set_context(*factory->null_value()); 316a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block SetObjectPrototype(Handle<JSObject>(env->global_proxy()), 31744f0eee88ff00398ff7f715fab053374d808c90dSteve Block factory->null_value()); 318a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block env->set_global_proxy(env->global()); 319a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block env->global()->set_global_receiver(env->global()); 320a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 321a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 322a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 32374b3c146906ea120f97974b0e16aec75c17ebf66Andrei Popescuvoid Bootstrapper::ReattachGlobal(Handle<Context> env, 32474b3c146906ea120f97974b0e16aec75c17ebf66Andrei Popescu Handle<Object> global_object) { 32574b3c146906ea120f97974b0e16aec75c17ebf66Andrei Popescu ASSERT(global_object->IsJSGlobalProxy()); 32674b3c146906ea120f97974b0e16aec75c17ebf66Andrei Popescu Handle<JSGlobalProxy> global = Handle<JSGlobalProxy>::cast(global_object); 32774b3c146906ea120f97974b0e16aec75c17ebf66Andrei Popescu env->global()->set_global_receiver(*global); 32874b3c146906ea120f97974b0e16aec75c17ebf66Andrei Popescu env->set_global_proxy(*global); 32974b3c146906ea120f97974b0e16aec75c17ebf66Andrei Popescu SetObjectPrototype(global, Handle<JSObject>(env->global())); 33074b3c146906ea120f97974b0e16aec75c17ebf66Andrei Popescu global->set_context(*env); 33174b3c146906ea120f97974b0e16aec75c17ebf66Andrei Popescu} 33274b3c146906ea120f97974b0e16aec75c17ebf66Andrei Popescu 33374b3c146906ea120f97974b0e16aec75c17ebf66Andrei Popescu 334a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockstatic Handle<JSFunction> InstallFunction(Handle<JSObject> target, 335a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block const char* name, 336a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block InstanceType type, 337a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block int instance_size, 338a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSObject> prototype, 339a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Builtins::Name call, 340a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block bool is_ecma_native) { 341257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Isolate* isolate = target->GetIsolate(); 34244f0eee88ff00398ff7f715fab053374d808c90dSteve Block Factory* factory = isolate->factory(); 34344f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<String> symbol = factory->LookupAsciiSymbol(name); 34444f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<Code> call_code = Handle<Code>(isolate->builtins()->builtin(call)); 3456ded16be15dd865a9b21ea304d5273c8be299c87Steve Block Handle<JSFunction> function = prototype.is_null() ? 34644f0eee88ff00398ff7f715fab053374d808c90dSteve Block factory->NewFunctionWithoutPrototype(symbol, call_code) : 34744f0eee88ff00398ff7f715fab053374d808c90dSteve Block factory->NewFunctionWithPrototype(symbol, 348a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block type, 349a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block instance_size, 350a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block prototype, 351a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block call_code, 352a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block is_ecma_native); 3531e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block SetLocalPropertyNoThrow(target, symbol, function, DONT_ENUM); 354a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (is_ecma_native) { 355a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block function->shared()->set_instance_class_name(*symbol); 356a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 357a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block return function; 358a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 359a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 360a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 361a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockHandle<DescriptorArray> Genesis::ComputeFunctionInstanceDescriptor( 3626ded16be15dd865a9b21ea304d5273c8be299c87Steve Block PrototypePropertyMode prototypeMode) { 36344f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<DescriptorArray> descriptors = 364257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewDescriptorArray(prototypeMode == DONT_ADD_PROTOTYPE 365257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch ? 4 366257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch : 5); 36744f0eee88ff00398ff7f715fab053374d808c90dSteve Block PropertyAttributes attributes = 36844f0eee88ff00398ff7f715fab053374d808c90dSteve Block static_cast<PropertyAttributes>(DONT_ENUM | DONT_DELETE | READ_ONLY); 369a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 37044f0eee88ff00398ff7f715fab053374d808c90dSteve Block { // Add length. 371257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Foreign> foreign = factory()->NewForeign(&Accessors::FunctionLength); 372257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch CallbacksDescriptor d(*factory()->length_symbol(), *foreign, attributes); 37344f0eee88ff00398ff7f715fab053374d808c90dSteve Block descriptors->Set(0, &d); 37444f0eee88ff00398ff7f715fab053374d808c90dSteve Block } 37544f0eee88ff00398ff7f715fab053374d808c90dSteve Block { // Add name. 376257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Foreign> foreign = factory()->NewForeign(&Accessors::FunctionName); 377257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch CallbacksDescriptor d(*factory()->name_symbol(), *foreign, attributes); 37844f0eee88ff00398ff7f715fab053374d808c90dSteve Block descriptors->Set(1, &d); 37944f0eee88ff00398ff7f715fab053374d808c90dSteve Block } 38044f0eee88ff00398ff7f715fab053374d808c90dSteve Block { // Add arguments. 381257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Foreign> foreign = 382257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewForeign(&Accessors::FunctionArguments); 383257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch CallbacksDescriptor d(*factory()->arguments_symbol(), *foreign, attributes); 38444f0eee88ff00398ff7f715fab053374d808c90dSteve Block descriptors->Set(2, &d); 38544f0eee88ff00398ff7f715fab053374d808c90dSteve Block } 38644f0eee88ff00398ff7f715fab053374d808c90dSteve Block { // Add caller. 387257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Foreign> foreign = factory()->NewForeign(&Accessors::FunctionCaller); 388257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch CallbacksDescriptor d(*factory()->caller_symbol(), *foreign, attributes); 38944f0eee88ff00398ff7f715fab053374d808c90dSteve Block descriptors->Set(3, &d); 39044f0eee88ff00398ff7f715fab053374d808c90dSteve Block } 3916ded16be15dd865a9b21ea304d5273c8be299c87Steve Block if (prototypeMode != DONT_ADD_PROTOTYPE) { 39244f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Add prototype. 39344f0eee88ff00398ff7f715fab053374d808c90dSteve Block if (prototypeMode == ADD_WRITEABLE_PROTOTYPE) { 39444f0eee88ff00398ff7f715fab053374d808c90dSteve Block attributes = static_cast<PropertyAttributes>(attributes & ~READ_ONLY); 39544f0eee88ff00398ff7f715fab053374d808c90dSteve Block } 396257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Foreign> foreign = 397257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewForeign(&Accessors::FunctionPrototype); 398257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch CallbacksDescriptor d(*factory()->prototype_symbol(), *foreign, attributes); 39944f0eee88ff00398ff7f715fab053374d808c90dSteve Block descriptors->Set(4, &d); 4006ded16be15dd865a9b21ea304d5273c8be299c87Steve Block } 40144f0eee88ff00398ff7f715fab053374d808c90dSteve Block descriptors->Sort(); 40244f0eee88ff00398ff7f715fab053374d808c90dSteve Block return descriptors; 40344f0eee88ff00398ff7f715fab053374d808c90dSteve Block} 404a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 405a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 40644f0eee88ff00398ff7f715fab053374d808c90dSteve BlockHandle<Map> Genesis::CreateFunctionMap(PrototypePropertyMode prototype_mode) { 407257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Map> map = factory()->NewMap(JS_FUNCTION_TYPE, JSFunction::kSize); 40844f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<DescriptorArray> descriptors = 40944f0eee88ff00398ff7f715fab053374d808c90dSteve Block ComputeFunctionInstanceDescriptor(prototype_mode); 41044f0eee88ff00398ff7f715fab053374d808c90dSteve Block map->set_instance_descriptors(*descriptors); 41144f0eee88ff00398ff7f715fab053374d808c90dSteve Block map->set_function_with_prototype(prototype_mode != DONT_ADD_PROTOTYPE); 41244f0eee88ff00398ff7f715fab053374d808c90dSteve Block return map; 413a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 414a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 415a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 416257744e915dfc84d6d07a6b2accf8402d9ffc708Ben MurdochHandle<JSFunction> Genesis::CreateEmptyFunction(Isolate* isolate) { 41744f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Allocate the map for function instances. Maps are allocated first and their 41844f0eee88ff00398ff7f715fab053374d808c90dSteve Block // prototypes patched later, once empty function is created. 41944f0eee88ff00398ff7f715fab053374d808c90dSteve Block 420a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Please note that the prototype property for function instances must be 421a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // writable. 4228b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch Handle<Map> function_instance_map = 4238b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CreateFunctionMap(ADD_WRITEABLE_PROTOTYPE); 4248b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch global_context()->set_function_instance_map(*function_instance_map); 4256ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 4266ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // Functions with this map will not have a 'prototype' property, and 4276ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // can not be used as constructors. 4288b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch Handle<Map> function_without_prototype_map = 4298b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CreateFunctionMap(DONT_ADD_PROTOTYPE); 4306ded16be15dd865a9b21ea304d5273c8be299c87Steve Block global_context()->set_function_without_prototype_map( 4318b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch *function_without_prototype_map); 432a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 43344f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Allocate the function map. This map is temporary, used only for processing 43444f0eee88ff00398ff7f715fab053374d808c90dSteve Block // of builtins. 43544f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Later the map is replaced with writable prototype map, allocated below. 4368b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch Handle<Map> function_map = CreateFunctionMap(ADD_READONLY_PROTOTYPE); 4378b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch global_context()->set_function_map(*function_map); 438a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 43944f0eee88ff00398ff7f715fab053374d808c90dSteve Block // The final map for functions. Writeable prototype. 44044f0eee88ff00398ff7f715fab053374d808c90dSteve Block // This map is installed in MakeFunctionInstancePrototypeWritable. 44144f0eee88ff00398ff7f715fab053374d808c90dSteve Block function_instance_map_writable_prototype_ = 44244f0eee88ff00398ff7f715fab053374d808c90dSteve Block CreateFunctionMap(ADD_WRITEABLE_PROTOTYPE); 44344f0eee88ff00398ff7f715fab053374d808c90dSteve Block 44444f0eee88ff00398ff7f715fab053374d808c90dSteve Block Factory* factory = isolate->factory(); 44544f0eee88ff00398ff7f715fab053374d808c90dSteve Block Heap* heap = isolate->heap(); 44644f0eee88ff00398ff7f715fab053374d808c90dSteve Block 44744f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<String> object_name = Handle<String>(heap->Object_symbol()); 448a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 449a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block { // --- O b j e c t --- 450a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction> object_fun = 45144f0eee88ff00398ff7f715fab053374d808c90dSteve Block factory->NewFunction(object_name, factory->null_value()); 452a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<Map> object_function_map = 45344f0eee88ff00398ff7f715fab053374d808c90dSteve Block factory->NewMap(JS_OBJECT_TYPE, JSObject::kHeaderSize); 454a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block object_fun->set_initial_map(*object_function_map); 455a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block object_function_map->set_constructor(*object_fun); 456a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 457a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block global_context()->set_object_function(*object_fun); 458a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 459a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Allocate a new prototype for the object function. 46044f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<JSObject> prototype = factory->NewJSObject( 46144f0eee88ff00398ff7f715fab053374d808c90dSteve Block isolate->object_function(), 46244f0eee88ff00398ff7f715fab053374d808c90dSteve Block TENURED); 463a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 464a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block global_context()->set_initial_object_prototype(*prototype); 465a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block SetPrototype(object_fun, prototype); 466a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block object_function_map-> 46744f0eee88ff00398ff7f715fab053374d808c90dSteve Block set_instance_descriptors(heap->empty_descriptor_array()); 468a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 469a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 470a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Allocate the empty function as the prototype for function ECMAScript 471a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // 262 15.3.4. 47244f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<String> symbol = factory->LookupAsciiSymbol("Empty"); 473a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction> empty_function = 47444f0eee88ff00398ff7f715fab053374d808c90dSteve Block factory->NewFunctionWithoutPrototype(symbol, kNonStrictMode); 475a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 4763100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // --- E m p t y --- 4773100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<Code> code = 47844f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<Code>(isolate->builtins()->builtin( 47944f0eee88ff00398ff7f715fab053374d808c90dSteve Block Builtins::kEmptyFunction)); 4803100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu empty_function->set_code(*code); 481756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick empty_function->shared()->set_code(*code); 48244f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<String> source = factory->NewStringFromAscii(CStrVector("() {}")); 48344f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<Script> script = factory->NewScript(source); 4843100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu script->set_type(Smi::FromInt(Script::TYPE_NATIVE)); 4853100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu empty_function->shared()->set_script(*script); 4863100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu empty_function->shared()->set_start_position(0); 4873100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu empty_function->shared()->set_end_position(source->length()); 4883100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu empty_function->shared()->DontAdaptArguments(); 48944f0eee88ff00398ff7f715fab053374d808c90dSteve Block 49044f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Set prototypes for the function maps. 4913100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu global_context()->function_map()->set_prototype(*empty_function); 4923100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu global_context()->function_instance_map()->set_prototype(*empty_function); 4936ded16be15dd865a9b21ea304d5273c8be299c87Steve Block global_context()->function_without_prototype_map()-> 4946ded16be15dd865a9b21ea304d5273c8be299c87Steve Block set_prototype(*empty_function); 49544f0eee88ff00398ff7f715fab053374d808c90dSteve Block function_instance_map_writable_prototype_->set_prototype(*empty_function); 496a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 4973100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Allocate the function map first and then patch the prototype later 49844f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<Map> empty_fm = factory->CopyMapDropDescriptors( 4996ded16be15dd865a9b21ea304d5273c8be299c87Steve Block function_without_prototype_map); 5006ded16be15dd865a9b21ea304d5273c8be299c87Steve Block empty_fm->set_instance_descriptors( 50144f0eee88ff00398ff7f715fab053374d808c90dSteve Block function_without_prototype_map->instance_descriptors()); 5023100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu empty_fm->set_prototype(global_context()->object_function()->prototype()); 5033100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu empty_function->set_map(*empty_fm); 5043100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu return empty_function; 5053100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu} 506a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 507a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 50844f0eee88ff00398ff7f715fab053374d808c90dSteve BlockHandle<DescriptorArray> Genesis::ComputeStrictFunctionInstanceDescriptor( 50944f0eee88ff00398ff7f715fab053374d808c90dSteve Block PrototypePropertyMode prototypeMode, 51044f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<FixedArray> arguments, 51144f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<FixedArray> caller) { 51244f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<DescriptorArray> descriptors = 513257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewDescriptorArray(prototypeMode == DONT_ADD_PROTOTYPE 514257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch ? 4 515257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch : 5); 51644f0eee88ff00398ff7f715fab053374d808c90dSteve Block PropertyAttributes attributes = static_cast<PropertyAttributes>( 51744f0eee88ff00398ff7f715fab053374d808c90dSteve Block DONT_ENUM | DONT_DELETE | READ_ONLY); 51844f0eee88ff00398ff7f715fab053374d808c90dSteve Block 51944f0eee88ff00398ff7f715fab053374d808c90dSteve Block { // length 520257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Foreign> foreign = factory()->NewForeign(&Accessors::FunctionLength); 521257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch CallbacksDescriptor d(*factory()->length_symbol(), *foreign, attributes); 52244f0eee88ff00398ff7f715fab053374d808c90dSteve Block descriptors->Set(0, &d); 52344f0eee88ff00398ff7f715fab053374d808c90dSteve Block } 52444f0eee88ff00398ff7f715fab053374d808c90dSteve Block { // name 525257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Foreign> foreign = factory()->NewForeign(&Accessors::FunctionName); 526257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch CallbacksDescriptor d(*factory()->name_symbol(), *foreign, attributes); 52744f0eee88ff00398ff7f715fab053374d808c90dSteve Block descriptors->Set(1, &d); 52844f0eee88ff00398ff7f715fab053374d808c90dSteve Block } 52944f0eee88ff00398ff7f715fab053374d808c90dSteve Block { // arguments 530257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch CallbacksDescriptor d(*factory()->arguments_symbol(), 531257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch *arguments, 532257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch attributes); 53344f0eee88ff00398ff7f715fab053374d808c90dSteve Block descriptors->Set(2, &d); 53444f0eee88ff00398ff7f715fab053374d808c90dSteve Block } 53544f0eee88ff00398ff7f715fab053374d808c90dSteve Block { // caller 536257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch CallbacksDescriptor d(*factory()->caller_symbol(), *caller, attributes); 53744f0eee88ff00398ff7f715fab053374d808c90dSteve Block descriptors->Set(3, &d); 53844f0eee88ff00398ff7f715fab053374d808c90dSteve Block } 53944f0eee88ff00398ff7f715fab053374d808c90dSteve Block 54044f0eee88ff00398ff7f715fab053374d808c90dSteve Block // prototype 54144f0eee88ff00398ff7f715fab053374d808c90dSteve Block if (prototypeMode != DONT_ADD_PROTOTYPE) { 54244f0eee88ff00398ff7f715fab053374d808c90dSteve Block if (prototypeMode == ADD_WRITEABLE_PROTOTYPE) { 54344f0eee88ff00398ff7f715fab053374d808c90dSteve Block attributes = static_cast<PropertyAttributes>(attributes & ~READ_ONLY); 54444f0eee88ff00398ff7f715fab053374d808c90dSteve Block } 545257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Foreign> foreign = 546257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewForeign(&Accessors::FunctionPrototype); 547257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch CallbacksDescriptor d(*factory()->prototype_symbol(), *foreign, attributes); 54844f0eee88ff00398ff7f715fab053374d808c90dSteve Block descriptors->Set(4, &d); 54944f0eee88ff00398ff7f715fab053374d808c90dSteve Block } 55044f0eee88ff00398ff7f715fab053374d808c90dSteve Block 55144f0eee88ff00398ff7f715fab053374d808c90dSteve Block descriptors->Sort(); 55244f0eee88ff00398ff7f715fab053374d808c90dSteve Block return descriptors; 55344f0eee88ff00398ff7f715fab053374d808c90dSteve Block} 55444f0eee88ff00398ff7f715fab053374d808c90dSteve Block 55544f0eee88ff00398ff7f715fab053374d808c90dSteve Block 55644f0eee88ff00398ff7f715fab053374d808c90dSteve Block// ECMAScript 5th Edition, 13.2.3 557257744e915dfc84d6d07a6b2accf8402d9ffc708Ben MurdochHandle<JSFunction> Genesis::GetThrowTypeErrorFunction() { 558257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch if (throw_type_error_function.is_null()) { 559257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<String> name = factory()->LookupAsciiSymbol("ThrowTypeError"); 560257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch throw_type_error_function = 561257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewFunctionWithoutPrototype(name, kNonStrictMode); 562257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Code> code(isolate()->builtins()->builtin( 563257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Builtins::kStrictModePoisonPill)); 564257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch throw_type_error_function->set_map( 565257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch global_context()->function_map()); 566257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch throw_type_error_function->set_code(*code); 567257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch throw_type_error_function->shared()->set_code(*code); 568257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch throw_type_error_function->shared()->DontAdaptArguments(); 569257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch 570257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch PreventExtensions(throw_type_error_function); 571257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch } 572257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch return throw_type_error_function; 57344f0eee88ff00398ff7f715fab053374d808c90dSteve Block} 57444f0eee88ff00398ff7f715fab053374d808c90dSteve Block 57544f0eee88ff00398ff7f715fab053374d808c90dSteve Block 57644f0eee88ff00398ff7f715fab053374d808c90dSteve BlockHandle<Map> Genesis::CreateStrictModeFunctionMap( 57744f0eee88ff00398ff7f715fab053374d808c90dSteve Block PrototypePropertyMode prototype_mode, 57844f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<JSFunction> empty_function, 57944f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<FixedArray> arguments_callbacks, 58044f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<FixedArray> caller_callbacks) { 581257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Map> map = factory()->NewMap(JS_FUNCTION_TYPE, JSFunction::kSize); 58244f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<DescriptorArray> descriptors = 58344f0eee88ff00398ff7f715fab053374d808c90dSteve Block ComputeStrictFunctionInstanceDescriptor(prototype_mode, 58444f0eee88ff00398ff7f715fab053374d808c90dSteve Block arguments_callbacks, 58544f0eee88ff00398ff7f715fab053374d808c90dSteve Block caller_callbacks); 58644f0eee88ff00398ff7f715fab053374d808c90dSteve Block map->set_instance_descriptors(*descriptors); 58744f0eee88ff00398ff7f715fab053374d808c90dSteve Block map->set_function_with_prototype(prototype_mode != DONT_ADD_PROTOTYPE); 58844f0eee88ff00398ff7f715fab053374d808c90dSteve Block map->set_prototype(*empty_function); 58944f0eee88ff00398ff7f715fab053374d808c90dSteve Block return map; 59044f0eee88ff00398ff7f715fab053374d808c90dSteve Block} 59144f0eee88ff00398ff7f715fab053374d808c90dSteve Block 59244f0eee88ff00398ff7f715fab053374d808c90dSteve Block 59344f0eee88ff00398ff7f715fab053374d808c90dSteve Blockvoid Genesis::CreateStrictModeFunctionMaps(Handle<JSFunction> empty) { 59444f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Create the callbacks arrays for ThrowTypeError functions. 59544f0eee88ff00398ff7f715fab053374d808c90dSteve Block // The get/set callacks are filled in after the maps are created below. 596257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Factory* factory = empty->GetIsolate()->factory(); 59744f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<FixedArray> arguments = factory->NewFixedArray(2, TENURED); 59844f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<FixedArray> caller = factory->NewFixedArray(2, TENURED); 59944f0eee88ff00398ff7f715fab053374d808c90dSteve Block 60044f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Allocate map for the strict mode function instances. 6018b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch Handle<Map> strict_mode_function_instance_map = 6028b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CreateStrictModeFunctionMap( 6038b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch ADD_WRITEABLE_PROTOTYPE, empty, arguments, caller); 60444f0eee88ff00398ff7f715fab053374d808c90dSteve Block global_context()->set_strict_mode_function_instance_map( 6058b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch *strict_mode_function_instance_map); 60644f0eee88ff00398ff7f715fab053374d808c90dSteve Block 60744f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Allocate map for the prototype-less strict mode instances. 6088b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch Handle<Map> strict_mode_function_without_prototype_map = 6098b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CreateStrictModeFunctionMap( 6108b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch DONT_ADD_PROTOTYPE, empty, arguments, caller); 61144f0eee88ff00398ff7f715fab053374d808c90dSteve Block global_context()->set_strict_mode_function_without_prototype_map( 6128b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch *strict_mode_function_without_prototype_map); 61344f0eee88ff00398ff7f715fab053374d808c90dSteve Block 61444f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Allocate map for the strict mode functions. This map is temporary, used 61544f0eee88ff00398ff7f715fab053374d808c90dSteve Block // only for processing of builtins. 61644f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Later the map is replaced with writable prototype map, allocated below. 6178b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch Handle<Map> strict_mode_function_map = 6188b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch CreateStrictModeFunctionMap( 6198b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch ADD_READONLY_PROTOTYPE, empty, arguments, caller); 62044f0eee88ff00398ff7f715fab053374d808c90dSteve Block global_context()->set_strict_mode_function_map( 6218b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch *strict_mode_function_map); 62244f0eee88ff00398ff7f715fab053374d808c90dSteve Block 62344f0eee88ff00398ff7f715fab053374d808c90dSteve Block // The final map for the strict mode functions. Writeable prototype. 62444f0eee88ff00398ff7f715fab053374d808c90dSteve Block // This map is installed in MakeFunctionInstancePrototypeWritable. 62544f0eee88ff00398ff7f715fab053374d808c90dSteve Block strict_mode_function_instance_map_writable_prototype_ = 62644f0eee88ff00398ff7f715fab053374d808c90dSteve Block CreateStrictModeFunctionMap( 62744f0eee88ff00398ff7f715fab053374d808c90dSteve Block ADD_WRITEABLE_PROTOTYPE, empty, arguments, caller); 62844f0eee88ff00398ff7f715fab053374d808c90dSteve Block 629257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch // Create the ThrowTypeError function instance. 630257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<JSFunction> throw_function = 631257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch GetThrowTypeErrorFunction(); 63244f0eee88ff00398ff7f715fab053374d808c90dSteve Block 63344f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Complete the callback fixed arrays. 634257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch arguments->set(0, *throw_function); 635257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch arguments->set(1, *throw_function); 636257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch caller->set(0, *throw_function); 637257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch caller->set(1, *throw_function); 63844f0eee88ff00398ff7f715fab053374d808c90dSteve Block} 63944f0eee88ff00398ff7f715fab053374d808c90dSteve Block 64044f0eee88ff00398ff7f715fab053374d808c90dSteve Block 641b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdochstatic void AddToWeakGlobalContextList(Context* context) { 642b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch ASSERT(context->IsGlobalContext()); 643257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Heap* heap = context->GetIsolate()->heap(); 644b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch#ifdef DEBUG 645b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch { // NOLINT 646b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch ASSERT(context->get(Context::NEXT_CONTEXT_LINK)->IsUndefined()); 647b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch // Check that context is not in the list yet. 64844f0eee88ff00398ff7f715fab053374d808c90dSteve Block for (Object* current = heap->global_contexts_list(); 649b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch !current->IsUndefined(); 650b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch current = Context::cast(current)->get(Context::NEXT_CONTEXT_LINK)) { 651b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch ASSERT(current != context); 652b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch } 653b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch } 654b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch#endif 65544f0eee88ff00398ff7f715fab053374d808c90dSteve Block context->set(Context::NEXT_CONTEXT_LINK, heap->global_contexts_list()); 65644f0eee88ff00398ff7f715fab053374d808c90dSteve Block heap->set_global_contexts_list(context); 657b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch} 658b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch 659b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch 6603100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescuvoid Genesis::CreateRoots() { 6613100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Allocate the global context FixedArray first and then patch the 6623100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // closure and extension object later (we need the empty function 6633100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // and the global object, but in order to create those, we need the 6643100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // global context). 665257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch global_context_ = Handle<Context>::cast(isolate()->global_handles()->Create( 666257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch *factory()->NewGlobalContext())); 667b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch AddToWeakGlobalContextList(*global_context_); 668257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch isolate()->set_context(*global_context()); 669a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 6703100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Allocate the message listeners object. 6713100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu { 6723100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu v8::NeanderArray listeners; 6733100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu global_context()->set_message_listeners(*listeners.value()); 6743100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu } 6753100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu} 676a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 677a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 6783100271588b61cbc1dc472a3f2f105d2eed8497fAndrei PopescuHandle<JSGlobalProxy> Genesis::CreateNewGlobals( 6793100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu v8::Handle<v8::ObjectTemplate> global_template, 6803100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<Object> global_object, 6813100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<GlobalObject>* inner_global_out) { 6823100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // The argument global_template aka data is an ObjectTemplateInfo. 6833100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // It has a constructor pointer that points at global_constructor which is a 6843100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // FunctionTemplateInfo. 6853100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // The global_constructor is used to create or reinitialize the global_proxy. 6863100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // The global_constructor also has a prototype_template pointer that points at 6873100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // js_global_template which is an ObjectTemplateInfo. 6883100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // That in turn has a constructor pointer that points at 6893100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // js_global_constructor which is a FunctionTemplateInfo. 6903100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // js_global_constructor is used to make js_global_function 6913100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // js_global_function is used to make the new inner_global. 6923100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // 6933100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // --- G l o b a l --- 6943100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Step 1: Create a fresh inner JSGlobalObject. 6953100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<JSFunction> js_global_function; 6963100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<ObjectTemplateInfo> js_global_template; 6973100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu if (!global_template.IsEmpty()) { 6983100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Get prototype template of the global_template. 6993100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<ObjectTemplateInfo> data = 7003100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu v8::Utils::OpenHandle(*global_template); 7013100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<FunctionTemplateInfo> global_constructor = 7023100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<FunctionTemplateInfo>( 7033100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu FunctionTemplateInfo::cast(data->constructor())); 7043100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<Object> proto_template(global_constructor->prototype_template()); 7053100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu if (!proto_template->IsUndefined()) { 7063100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu js_global_template = 7073100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<ObjectTemplateInfo>::cast(proto_template); 708a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 7093100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu } 710a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 7113100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu if (js_global_template.is_null()) { 712257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<String> name = Handle<String>(heap()->empty_symbol()); 713257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Code> code = Handle<Code>(isolate()->builtins()->builtin( 71444f0eee88ff00398ff7f715fab053374d808c90dSteve Block Builtins::kIllegal)); 7153100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu js_global_function = 716257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewFunction(name, JS_GLOBAL_OBJECT_TYPE, 717257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch JSGlobalObject::kSize, code, true); 7183100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Change the constructor property of the prototype of the 7193100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // hidden global function to refer to the Object function. 7203100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<JSObject> prototype = 7213100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<JSObject>( 7223100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu JSObject::cast(js_global_function->instance_prototype())); 7231e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block SetLocalPropertyNoThrow( 72444f0eee88ff00398ff7f715fab053374d808c90dSteve Block prototype, 725257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->constructor_symbol(), 726257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch isolate()->object_function(), 72744f0eee88ff00398ff7f715fab053374d808c90dSteve Block NONE); 7283100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu } else { 7293100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<FunctionTemplateInfo> js_global_constructor( 7303100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu FunctionTemplateInfo::cast(js_global_template->constructor())); 7313100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu js_global_function = 732257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->CreateApiFunction(js_global_constructor, 733257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->InnerGlobalObject); 7343100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu } 7353100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu 7363100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu js_global_function->initial_map()->set_is_hidden_prototype(); 7373100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<GlobalObject> inner_global = 738257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewGlobalObject(js_global_function); 7393100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu if (inner_global_out != NULL) { 7403100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu *inner_global_out = inner_global; 7413100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu } 7423100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu 7433100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Step 2: create or re-initialize the global proxy object. 7443100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<JSFunction> global_proxy_function; 7453100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu if (global_template.IsEmpty()) { 746257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<String> name = Handle<String>(heap()->empty_symbol()); 747257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Code> code = Handle<Code>(isolate()->builtins()->builtin( 74844f0eee88ff00398ff7f715fab053374d808c90dSteve Block Builtins::kIllegal)); 7493100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu global_proxy_function = 750257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewFunction(name, JS_GLOBAL_PROXY_TYPE, 751257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch JSGlobalProxy::kSize, code, true); 7523100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu } else { 7533100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<ObjectTemplateInfo> data = 7543100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu v8::Utils::OpenHandle(*global_template); 7553100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<FunctionTemplateInfo> global_constructor( 7563100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu FunctionTemplateInfo::cast(data->constructor())); 7573100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu global_proxy_function = 758257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->CreateApiFunction(global_constructor, 759257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->OuterGlobalObject); 7603100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu } 7613100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu 762257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<String> global_name = factory()->LookupAsciiSymbol("global"); 7633100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu global_proxy_function->shared()->set_instance_class_name(*global_name); 7643100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu global_proxy_function->initial_map()->set_is_access_check_needed(true); 765a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 7663100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Set global_proxy.__proto__ to js_global after ConfigureGlobalObjects 7673100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Return the global proxy. 7683100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu 7693100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu if (global_object.location() != NULL) { 7703100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu ASSERT(global_object->IsJSGlobalProxy()); 7713100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu return ReinitializeJSGlobalProxy( 7723100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu global_proxy_function, 7733100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<JSGlobalProxy>::cast(global_object)); 7743100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu } else { 7753100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu return Handle<JSGlobalProxy>::cast( 776257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewJSObject(global_proxy_function, TENURED)); 777a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 7783100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu} 7793100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu 7803100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu 7813100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescuvoid Genesis::HookUpGlobalProxy(Handle<GlobalObject> inner_global, 7823100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<JSGlobalProxy> global_proxy) { 7833100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Set the global context for the global object. 7843100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu inner_global->set_global_context(*global_context()); 7853100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu inner_global->set_global_receiver(*global_proxy); 7863100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu global_proxy->set_context(*global_context()); 7873100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu global_context()->set_global_proxy(*global_proxy); 7883100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu} 7893100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu 7903100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu 791402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescuvoid Genesis::HookUpInnerGlobal(Handle<GlobalObject> inner_global) { 792402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu Handle<GlobalObject> inner_global_from_snapshot( 793402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu GlobalObject::cast(global_context_->extension())); 794402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu Handle<JSBuiltinsObject> builtins_global(global_context_->builtins()); 795402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu global_context_->set_extension(*inner_global); 796402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu global_context_->set_global(*inner_global); 797402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu global_context_->set_security_token(*inner_global); 798402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu static const PropertyAttributes attributes = 799402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu static_cast<PropertyAttributes>(READ_ONLY | DONT_DELETE); 800402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu ForceSetProperty(builtins_global, 801257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->LookupAsciiSymbol("global"), 802402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu inner_global, 803402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu attributes); 804402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu // Setup the reference from the global object to the builtins object. 805402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu JSGlobalObject::cast(*inner_global)->set_builtins(*builtins_global); 806402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu TransferNamedProperties(inner_global_from_snapshot, inner_global); 807402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu TransferIndexedProperties(inner_global_from_snapshot, inner_global); 808402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu} 809402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu 810402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu 811402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu// This is only called if we are not using snapshots. The equivalent 812402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu// work in the snapshot case is done in HookUpInnerGlobal. 8133100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescuvoid Genesis::InitializeGlobal(Handle<GlobalObject> inner_global, 8143100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<JSFunction> empty_function) { 8153100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // --- G l o b a l C o n t e x t --- 8163100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Use the empty function as closure (no scope info). 8173100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu global_context()->set_closure(*empty_function); 8183100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu global_context()->set_previous(NULL); 8193100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Set extension and global object. 8203100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu global_context()->set_extension(*inner_global); 8213100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu global_context()->set_global(*inner_global); 8223100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Security setup: Set the security token of the global object to 8233100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // its the inner global. This makes the security check between two 8243100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // different contexts fail by default even in case of global 8253100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // object reinitialization. 8263100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu global_context()->set_security_token(*inner_global); 8273100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu 828257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Isolate* isolate = inner_global->GetIsolate(); 82944f0eee88ff00398ff7f715fab053374d808c90dSteve Block Factory* factory = isolate->factory(); 83044f0eee88ff00398ff7f715fab053374d808c90dSteve Block Heap* heap = isolate->heap(); 83144f0eee88ff00398ff7f715fab053374d808c90dSteve Block 83244f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<String> object_name = Handle<String>(heap->Object_symbol()); 8331e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block SetLocalPropertyNoThrow(inner_global, object_name, 83444f0eee88ff00398ff7f715fab053374d808c90dSteve Block isolate->object_function(), DONT_ENUM); 835a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 836a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSObject> global = Handle<JSObject>(global_context()->global()); 837a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 838a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Install global Function object 839a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block InstallFunction(global, "Function", JS_FUNCTION_TYPE, JSFunction::kSize, 84044f0eee88ff00398ff7f715fab053374d808c90dSteve Block empty_function, Builtins::kIllegal, true); // ECMA native. 841a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 842a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block { // --- A r r a y --- 843a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction> array_function = 844a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block InstallFunction(global, "Array", JS_ARRAY_TYPE, JSArray::kSize, 84544f0eee88ff00398ff7f715fab053374d808c90dSteve Block isolate->initial_object_prototype(), 84644f0eee88ff00398ff7f715fab053374d808c90dSteve Block Builtins::kArrayCode, true); 847a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block array_function->shared()->set_construct_stub( 84844f0eee88ff00398ff7f715fab053374d808c90dSteve Block isolate->builtins()->builtin(Builtins::kArrayConstructCode)); 849a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block array_function->shared()->DontAdaptArguments(); 850a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 851a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // This seems a bit hackish, but we need to make sure Array.length 852a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // is 1. 853a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block array_function->shared()->set_length(1); 854a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<DescriptorArray> array_descriptors = 855257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory->CopyAppendForeignDescriptor( 85644f0eee88ff00398ff7f715fab053374d808c90dSteve Block factory->empty_descriptor_array(), 85744f0eee88ff00398ff7f715fab053374d808c90dSteve Block factory->length_symbol(), 858257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory->NewForeign(&Accessors::ArrayLength), 859a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block static_cast<PropertyAttributes>(DONT_ENUM | DONT_DELETE)); 860a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 861a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Cache the fast JavaScript array map 862a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block global_context()->set_js_array_map(array_function->initial_map()); 863a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block global_context()->js_array_map()->set_instance_descriptors( 864a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block *array_descriptors); 865a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // array_function is used internally. JS code creating array object should 866a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // search for the 'Array' property on the global object and use that one 867a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // as the constructor. 'Array' property on a global object can be 868a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // overwritten by JS code. 869a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block global_context()->set_array_function(*array_function); 870a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 871a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 872a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block { // --- N u m b e r --- 873a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction> number_fun = 874a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block InstallFunction(global, "Number", JS_VALUE_TYPE, JSValue::kSize, 87544f0eee88ff00398ff7f715fab053374d808c90dSteve Block isolate->initial_object_prototype(), 87644f0eee88ff00398ff7f715fab053374d808c90dSteve Block Builtins::kIllegal, true); 877a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block global_context()->set_number_function(*number_fun); 878a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 879a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 880a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block { // --- B o o l e a n --- 881a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction> boolean_fun = 882a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block InstallFunction(global, "Boolean", JS_VALUE_TYPE, JSValue::kSize, 88344f0eee88ff00398ff7f715fab053374d808c90dSteve Block isolate->initial_object_prototype(), 88444f0eee88ff00398ff7f715fab053374d808c90dSteve Block Builtins::kIllegal, true); 885a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block global_context()->set_boolean_function(*boolean_fun); 886a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 887a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 888a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block { // --- S t r i n g --- 889a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction> string_fun = 890a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block InstallFunction(global, "String", JS_VALUE_TYPE, JSValue::kSize, 89144f0eee88ff00398ff7f715fab053374d808c90dSteve Block isolate->initial_object_prototype(), 89244f0eee88ff00398ff7f715fab053374d808c90dSteve Block Builtins::kIllegal, true); 89380d68eab642096c1a48b6474d6ec33064b0ad1f5Kristian Monsen string_fun->shared()->set_construct_stub( 89444f0eee88ff00398ff7f715fab053374d808c90dSteve Block isolate->builtins()->builtin(Builtins::kStringConstructCode)); 895a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block global_context()->set_string_function(*string_fun); 896a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Add 'length' property to strings. 897a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<DescriptorArray> string_descriptors = 898257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory->CopyAppendForeignDescriptor( 89944f0eee88ff00398ff7f715fab053374d808c90dSteve Block factory->empty_descriptor_array(), 90044f0eee88ff00398ff7f715fab053374d808c90dSteve Block factory->length_symbol(), 901257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory->NewForeign(&Accessors::StringLength), 902a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block static_cast<PropertyAttributes>(DONT_ENUM | 903a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block DONT_DELETE | 904a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block READ_ONLY)); 905a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 906a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<Map> string_map = 907a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<Map>(global_context()->string_function()->initial_map()); 908a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block string_map->set_instance_descriptors(*string_descriptors); 909a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 910a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 911a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block { // --- D a t e --- 912a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Builtin functions for Date.prototype. 913a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction> date_fun = 914a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block InstallFunction(global, "Date", JS_VALUE_TYPE, JSValue::kSize, 91544f0eee88ff00398ff7f715fab053374d808c90dSteve Block isolate->initial_object_prototype(), 91644f0eee88ff00398ff7f715fab053374d808c90dSteve Block Builtins::kIllegal, true); 917a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 918a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block global_context()->set_date_function(*date_fun); 919a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 920a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 921a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 922a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block { // -- R e g E x p 923a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Builtin functions for RegExp.prototype. 924a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction> regexp_fun = 925a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block InstallFunction(global, "RegExp", JS_REGEXP_TYPE, JSRegExp::kSize, 92644f0eee88ff00398ff7f715fab053374d808c90dSteve Block isolate->initial_object_prototype(), 92744f0eee88ff00398ff7f715fab053374d808c90dSteve Block Builtins::kIllegal, true); 928a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block global_context()->set_regexp_function(*regexp_fun); 9296ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 9306ded16be15dd865a9b21ea304d5273c8be299c87Steve Block ASSERT(regexp_fun->has_initial_map()); 9316ded16be15dd865a9b21ea304d5273c8be299c87Steve Block Handle<Map> initial_map(regexp_fun->initial_map()); 9326ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 9336ded16be15dd865a9b21ea304d5273c8be299c87Steve Block ASSERT_EQ(0, initial_map->inobject_properties()); 9346ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 93544f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<DescriptorArray> descriptors = factory->NewDescriptorArray(5); 9366ded16be15dd865a9b21ea304d5273c8be299c87Steve Block PropertyAttributes final = 9376ded16be15dd865a9b21ea304d5273c8be299c87Steve Block static_cast<PropertyAttributes>(DONT_ENUM | DONT_DELETE | READ_ONLY); 9386ded16be15dd865a9b21ea304d5273c8be299c87Steve Block int enum_index = 0; 9396ded16be15dd865a9b21ea304d5273c8be299c87Steve Block { 9406ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // ECMA-262, section 15.10.7.1. 94144f0eee88ff00398ff7f715fab053374d808c90dSteve Block FieldDescriptor field(heap->source_symbol(), 9426ded16be15dd865a9b21ea304d5273c8be299c87Steve Block JSRegExp::kSourceFieldIndex, 9436ded16be15dd865a9b21ea304d5273c8be299c87Steve Block final, 9446ded16be15dd865a9b21ea304d5273c8be299c87Steve Block enum_index++); 9456ded16be15dd865a9b21ea304d5273c8be299c87Steve Block descriptors->Set(0, &field); 9466ded16be15dd865a9b21ea304d5273c8be299c87Steve Block } 9476ded16be15dd865a9b21ea304d5273c8be299c87Steve Block { 9486ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // ECMA-262, section 15.10.7.2. 94944f0eee88ff00398ff7f715fab053374d808c90dSteve Block FieldDescriptor field(heap->global_symbol(), 9506ded16be15dd865a9b21ea304d5273c8be299c87Steve Block JSRegExp::kGlobalFieldIndex, 9516ded16be15dd865a9b21ea304d5273c8be299c87Steve Block final, 9526ded16be15dd865a9b21ea304d5273c8be299c87Steve Block enum_index++); 9536ded16be15dd865a9b21ea304d5273c8be299c87Steve Block descriptors->Set(1, &field); 9546ded16be15dd865a9b21ea304d5273c8be299c87Steve Block } 9556ded16be15dd865a9b21ea304d5273c8be299c87Steve Block { 9566ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // ECMA-262, section 15.10.7.3. 95744f0eee88ff00398ff7f715fab053374d808c90dSteve Block FieldDescriptor field(heap->ignore_case_symbol(), 9586ded16be15dd865a9b21ea304d5273c8be299c87Steve Block JSRegExp::kIgnoreCaseFieldIndex, 9596ded16be15dd865a9b21ea304d5273c8be299c87Steve Block final, 9606ded16be15dd865a9b21ea304d5273c8be299c87Steve Block enum_index++); 9616ded16be15dd865a9b21ea304d5273c8be299c87Steve Block descriptors->Set(2, &field); 9626ded16be15dd865a9b21ea304d5273c8be299c87Steve Block } 9636ded16be15dd865a9b21ea304d5273c8be299c87Steve Block { 9646ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // ECMA-262, section 15.10.7.4. 96544f0eee88ff00398ff7f715fab053374d808c90dSteve Block FieldDescriptor field(heap->multiline_symbol(), 9666ded16be15dd865a9b21ea304d5273c8be299c87Steve Block JSRegExp::kMultilineFieldIndex, 9676ded16be15dd865a9b21ea304d5273c8be299c87Steve Block final, 9686ded16be15dd865a9b21ea304d5273c8be299c87Steve Block enum_index++); 9696ded16be15dd865a9b21ea304d5273c8be299c87Steve Block descriptors->Set(3, &field); 9706ded16be15dd865a9b21ea304d5273c8be299c87Steve Block } 9716ded16be15dd865a9b21ea304d5273c8be299c87Steve Block { 9726ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // ECMA-262, section 15.10.7.5. 9736ded16be15dd865a9b21ea304d5273c8be299c87Steve Block PropertyAttributes writable = 9746ded16be15dd865a9b21ea304d5273c8be299c87Steve Block static_cast<PropertyAttributes>(DONT_ENUM | DONT_DELETE); 97544f0eee88ff00398ff7f715fab053374d808c90dSteve Block FieldDescriptor field(heap->last_index_symbol(), 9766ded16be15dd865a9b21ea304d5273c8be299c87Steve Block JSRegExp::kLastIndexFieldIndex, 9776ded16be15dd865a9b21ea304d5273c8be299c87Steve Block writable, 9786ded16be15dd865a9b21ea304d5273c8be299c87Steve Block enum_index++); 9796ded16be15dd865a9b21ea304d5273c8be299c87Steve Block descriptors->Set(4, &field); 9806ded16be15dd865a9b21ea304d5273c8be299c87Steve Block } 9816ded16be15dd865a9b21ea304d5273c8be299c87Steve Block descriptors->SetNextEnumerationIndex(enum_index); 9826ded16be15dd865a9b21ea304d5273c8be299c87Steve Block descriptors->Sort(); 9836ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 9846ded16be15dd865a9b21ea304d5273c8be299c87Steve Block initial_map->set_inobject_properties(5); 9856ded16be15dd865a9b21ea304d5273c8be299c87Steve Block initial_map->set_pre_allocated_property_fields(5); 9866ded16be15dd865a9b21ea304d5273c8be299c87Steve Block initial_map->set_unused_property_fields(0); 9876ded16be15dd865a9b21ea304d5273c8be299c87Steve Block initial_map->set_instance_size( 9886ded16be15dd865a9b21ea304d5273c8be299c87Steve Block initial_map->instance_size() + 5 * kPointerSize); 9896ded16be15dd865a9b21ea304d5273c8be299c87Steve Block initial_map->set_instance_descriptors(*descriptors); 990756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick initial_map->set_visitor_id(StaticVisitorBase::GetVisitorId(*initial_map)); 991a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 992a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 993a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block { // -- J S O N 99444f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<String> name = factory->NewStringFromAscii(CStrVector("JSON")); 99544f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<JSFunction> cons = factory->NewFunction( 996a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block name, 99744f0eee88ff00398ff7f715fab053374d808c90dSteve Block factory->the_hole_value()); 998a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block cons->SetInstancePrototype(global_context()->initial_object_prototype()); 999a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block cons->SetInstanceClassName(*name); 100044f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<JSObject> json_object = factory->NewJSObject(cons, TENURED); 1001a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block ASSERT(json_object->IsJSObject()); 10021e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block SetLocalPropertyNoThrow(global, name, json_object, DONT_ENUM); 1003a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block global_context()->set_json_object(*json_object); 1004a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 1005a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1006a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block { // --- arguments_boilerplate_ 1007a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Make sure we can recognize argument objects at runtime. 1008a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // This is done by introducing an anonymous function with 1009a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // class_name equals 'Arguments'. 101044f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<String> symbol = factory->LookupAsciiSymbol("Arguments"); 101144f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<Code> code = Handle<Code>( 101244f0eee88ff00398ff7f715fab053374d808c90dSteve Block isolate->builtins()->builtin(Builtins::kIllegal)); 1013a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSObject> prototype = 1014a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSObject>( 1015a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block JSObject::cast(global_context()->object_function()->prototype())); 1016a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1017a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction> function = 101844f0eee88ff00398ff7f715fab053374d808c90dSteve Block factory->NewFunctionWithPrototype(symbol, 1019a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block JS_OBJECT_TYPE, 1020a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block JSObject::kHeaderSize, 1021a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block prototype, 1022a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block code, 1023a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block false); 1024a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block ASSERT(!function->has_initial_map()); 1025a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block function->shared()->set_instance_class_name(*symbol); 1026a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block function->shared()->set_expected_nof_properties(2); 102744f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<JSObject> result = factory->NewJSObject(function); 1028a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1029a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block global_context()->set_arguments_boilerplate(*result); 103044f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Note: length must be added as the first property and 103144f0eee88ff00398ff7f715fab053374d808c90dSteve Block // callee must be added as the second property. 103244f0eee88ff00398ff7f715fab053374d808c90dSteve Block SetLocalPropertyNoThrow(result, factory->length_symbol(), 103344f0eee88ff00398ff7f715fab053374d808c90dSteve Block factory->undefined_value(), 10341e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block DONT_ENUM); 103544f0eee88ff00398ff7f715fab053374d808c90dSteve Block SetLocalPropertyNoThrow(result, factory->callee_symbol(), 103644f0eee88ff00398ff7f715fab053374d808c90dSteve Block factory->undefined_value(), 10371e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block DONT_ENUM); 1038a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1039a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#ifdef DEBUG 1040a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block LookupResult lookup; 104144f0eee88ff00398ff7f715fab053374d808c90dSteve Block result->LocalLookup(heap->callee_symbol(), &lookup); 1042402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu ASSERT(lookup.IsProperty() && (lookup.type() == FIELD)); 104344f0eee88ff00398ff7f715fab053374d808c90dSteve Block ASSERT(lookup.GetFieldIndex() == Heap::kArgumentsCalleeIndex); 1044a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 104544f0eee88ff00398ff7f715fab053374d808c90dSteve Block result->LocalLookup(heap->length_symbol(), &lookup); 1046402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu ASSERT(lookup.IsProperty() && (lookup.type() == FIELD)); 104744f0eee88ff00398ff7f715fab053374d808c90dSteve Block ASSERT(lookup.GetFieldIndex() == Heap::kArgumentsLengthIndex); 1048a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 104944f0eee88ff00398ff7f715fab053374d808c90dSteve Block ASSERT(result->map()->inobject_properties() > Heap::kArgumentsCalleeIndex); 105044f0eee88ff00398ff7f715fab053374d808c90dSteve Block ASSERT(result->map()->inobject_properties() > Heap::kArgumentsLengthIndex); 105144f0eee88ff00398ff7f715fab053374d808c90dSteve Block 105244f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Check the state of the object. 105344f0eee88ff00398ff7f715fab053374d808c90dSteve Block ASSERT(result->HasFastProperties()); 105444f0eee88ff00398ff7f715fab053374d808c90dSteve Block ASSERT(result->HasFastElements()); 105544f0eee88ff00398ff7f715fab053374d808c90dSteve Block#endif 105644f0eee88ff00398ff7f715fab053374d808c90dSteve Block } 105744f0eee88ff00398ff7f715fab053374d808c90dSteve Block 10583fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch { // --- aliased_arguments_boilerplate_ 10593fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch Handle<Map> old_map(global_context()->arguments_boilerplate()->map()); 10603fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch Handle<Map> new_map = factory->CopyMapDropTransitions(old_map); 10613fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch new_map->set_pre_allocated_property_fields(2); 10623fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch Handle<JSObject> result = factory->NewJSObjectFromMap(new_map); 10633fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch new_map->set_elements_kind(JSObject::NON_STRICT_ARGUMENTS_ELEMENTS); 10643fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch // Set up a well-formed parameter map to make assertions happy. 10653fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch Handle<FixedArray> elements = factory->NewFixedArray(2); 10663fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch elements->set_map(heap->non_strict_arguments_elements_map()); 10673fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch Handle<FixedArray> array; 10683fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch array = factory->NewFixedArray(0); 10693fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch elements->set(0, *array); 10703fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch array = factory->NewFixedArray(0); 10713fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch elements->set(1, *array); 10723fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch result->set_elements(*elements); 10733fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch global_context()->set_aliased_arguments_boilerplate(*result); 10743fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch } 10753fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch 107644f0eee88ff00398ff7f715fab053374d808c90dSteve Block { // --- strict mode arguments boilerplate 107744f0eee88ff00398ff7f715fab053374d808c90dSteve Block const PropertyAttributes attributes = 107844f0eee88ff00398ff7f715fab053374d808c90dSteve Block static_cast<PropertyAttributes>(DONT_ENUM | DONT_DELETE | READ_ONLY); 107944f0eee88ff00398ff7f715fab053374d808c90dSteve Block 108044f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Create the ThrowTypeError functions. 108144f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<FixedArray> callee = factory->NewFixedArray(2, TENURED); 108244f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<FixedArray> caller = factory->NewFixedArray(2, TENURED); 108344f0eee88ff00398ff7f715fab053374d808c90dSteve Block 1084257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<JSFunction> throw_function = 1085257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch GetThrowTypeErrorFunction(); 108644f0eee88ff00398ff7f715fab053374d808c90dSteve Block 108744f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Install the ThrowTypeError functions. 1088257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch callee->set(0, *throw_function); 1089257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch callee->set(1, *throw_function); 1090257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch caller->set(0, *throw_function); 1091257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch caller->set(1, *throw_function); 109244f0eee88ff00398ff7f715fab053374d808c90dSteve Block 109344f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Create the descriptor array for the arguments object. 109444f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<DescriptorArray> descriptors = factory->NewDescriptorArray(3); 109544f0eee88ff00398ff7f715fab053374d808c90dSteve Block { // length 109644f0eee88ff00398ff7f715fab053374d808c90dSteve Block FieldDescriptor d(*factory->length_symbol(), 0, DONT_ENUM); 109744f0eee88ff00398ff7f715fab053374d808c90dSteve Block descriptors->Set(0, &d); 109844f0eee88ff00398ff7f715fab053374d808c90dSteve Block } 109944f0eee88ff00398ff7f715fab053374d808c90dSteve Block { // callee 110044f0eee88ff00398ff7f715fab053374d808c90dSteve Block CallbacksDescriptor d(*factory->callee_symbol(), *callee, attributes); 110144f0eee88ff00398ff7f715fab053374d808c90dSteve Block descriptors->Set(1, &d); 110244f0eee88ff00398ff7f715fab053374d808c90dSteve Block } 110344f0eee88ff00398ff7f715fab053374d808c90dSteve Block { // caller 110444f0eee88ff00398ff7f715fab053374d808c90dSteve Block CallbacksDescriptor d(*factory->caller_symbol(), *caller, attributes); 110544f0eee88ff00398ff7f715fab053374d808c90dSteve Block descriptors->Set(2, &d); 110644f0eee88ff00398ff7f715fab053374d808c90dSteve Block } 110744f0eee88ff00398ff7f715fab053374d808c90dSteve Block descriptors->Sort(); 110844f0eee88ff00398ff7f715fab053374d808c90dSteve Block 110944f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Create the map. Allocate one in-object field for length. 111044f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<Map> map = factory->NewMap(JS_OBJECT_TYPE, 111144f0eee88ff00398ff7f715fab053374d808c90dSteve Block Heap::kArgumentsObjectSizeStrict); 111244f0eee88ff00398ff7f715fab053374d808c90dSteve Block map->set_instance_descriptors(*descriptors); 111344f0eee88ff00398ff7f715fab053374d808c90dSteve Block map->set_function_with_prototype(true); 111444f0eee88ff00398ff7f715fab053374d808c90dSteve Block map->set_prototype(global_context()->object_function()->prototype()); 111544f0eee88ff00398ff7f715fab053374d808c90dSteve Block map->set_pre_allocated_property_fields(1); 111644f0eee88ff00398ff7f715fab053374d808c90dSteve Block map->set_inobject_properties(1); 111744f0eee88ff00398ff7f715fab053374d808c90dSteve Block 111844f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Copy constructor from the non-strict arguments boilerplate. 111944f0eee88ff00398ff7f715fab053374d808c90dSteve Block map->set_constructor( 112044f0eee88ff00398ff7f715fab053374d808c90dSteve Block global_context()->arguments_boilerplate()->map()->constructor()); 112144f0eee88ff00398ff7f715fab053374d808c90dSteve Block 112244f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Allocate the arguments boilerplate object. 112344f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<JSObject> result = factory->NewJSObjectFromMap(map); 112444f0eee88ff00398ff7f715fab053374d808c90dSteve Block global_context()->set_strict_mode_arguments_boilerplate(*result); 112544f0eee88ff00398ff7f715fab053374d808c90dSteve Block 112644f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Add length property only for strict mode boilerplate. 112744f0eee88ff00398ff7f715fab053374d808c90dSteve Block SetLocalPropertyNoThrow(result, factory->length_symbol(), 112844f0eee88ff00398ff7f715fab053374d808c90dSteve Block factory->undefined_value(), 112944f0eee88ff00398ff7f715fab053374d808c90dSteve Block DONT_ENUM); 113044f0eee88ff00398ff7f715fab053374d808c90dSteve Block 113144f0eee88ff00398ff7f715fab053374d808c90dSteve Block#ifdef DEBUG 113244f0eee88ff00398ff7f715fab053374d808c90dSteve Block LookupResult lookup; 113344f0eee88ff00398ff7f715fab053374d808c90dSteve Block result->LocalLookup(heap->length_symbol(), &lookup); 113444f0eee88ff00398ff7f715fab053374d808c90dSteve Block ASSERT(lookup.IsProperty() && (lookup.type() == FIELD)); 113544f0eee88ff00398ff7f715fab053374d808c90dSteve Block ASSERT(lookup.GetFieldIndex() == Heap::kArgumentsLengthIndex); 113644f0eee88ff00398ff7f715fab053374d808c90dSteve Block 113744f0eee88ff00398ff7f715fab053374d808c90dSteve Block ASSERT(result->map()->inobject_properties() > Heap::kArgumentsLengthIndex); 1138a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1139a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Check the state of the object. 1140a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block ASSERT(result->HasFastProperties()); 1141a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block ASSERT(result->HasFastElements()); 1142a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#endif 1143a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 1144a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1145a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block { // --- context extension 1146a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Create a function for the context extension objects. 114744f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<Code> code = Handle<Code>( 114844f0eee88ff00398ff7f715fab053374d808c90dSteve Block isolate->builtins()->builtin(Builtins::kIllegal)); 1149a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction> context_extension_fun = 115044f0eee88ff00398ff7f715fab053374d808c90dSteve Block factory->NewFunction(factory->empty_symbol(), 1151a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block JS_CONTEXT_EXTENSION_OBJECT_TYPE, 1152a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block JSObject::kHeaderSize, 1153a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block code, 1154a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block true); 1155a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 115644f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<String> name = factory->LookupAsciiSymbol("context_extension"); 1157a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block context_extension_fun->shared()->set_instance_class_name(*name); 1158a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block global_context()->set_context_extension_function(*context_extension_fun); 1159a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 1160a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1161a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1162a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block { 116369a99ed0b2b2ef69d393c371b03db3a98aaf880eBen Murdoch // Set up the call-as-function delegate. 1164a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<Code> code = 116544f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<Code>(isolate->builtins()->builtin( 116644f0eee88ff00398ff7f715fab053374d808c90dSteve Block Builtins::kHandleApiCallAsFunction)); 1167a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction> delegate = 116844f0eee88ff00398ff7f715fab053374d808c90dSteve Block factory->NewFunction(factory->empty_symbol(), JS_OBJECT_TYPE, 1169a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block JSObject::kHeaderSize, code, true); 1170a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block global_context()->set_call_as_function_delegate(*delegate); 1171a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block delegate->shared()->DontAdaptArguments(); 1172a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 1173a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1174a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block { 117569a99ed0b2b2ef69d393c371b03db3a98aaf880eBen Murdoch // Set up the call-as-constructor delegate. 1176a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<Code> code = 117744f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<Code>(isolate->builtins()->builtin( 117844f0eee88ff00398ff7f715fab053374d808c90dSteve Block Builtins::kHandleApiCallAsConstructor)); 1179a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction> delegate = 118044f0eee88ff00398ff7f715fab053374d808c90dSteve Block factory->NewFunction(factory->empty_symbol(), JS_OBJECT_TYPE, 1181a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block JSObject::kHeaderSize, code, true); 1182a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block global_context()->set_call_as_constructor_delegate(*delegate); 1183a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block delegate->shared()->DontAdaptArguments(); 1184a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 1185a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1186a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Initialize the out of memory slot. 118744f0eee88ff00398ff7f715fab053374d808c90dSteve Block global_context()->set_out_of_memory(heap->false_value()); 1188a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1189a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Initialize the data slot. 119044f0eee88ff00398ff7f715fab053374d808c90dSteve Block global_context()->set_data(heap->undefined_value()); 1191a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 1192a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1193a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 119469a99ed0b2b2ef69d393c371b03db3a98aaf880eBen Murdochvoid Genesis::InitializeExperimentalGlobal() { 119569a99ed0b2b2ef69d393c371b03db3a98aaf880eBen Murdoch Handle<JSObject> global = Handle<JSObject>(global_context()->global()); 119669a99ed0b2b2ef69d393c371b03db3a98aaf880eBen Murdoch 119769a99ed0b2b2ef69d393c371b03db3a98aaf880eBen Murdoch // TODO(mstarzinger): Move this into Genesis::InitializeGlobal once we no 119869a99ed0b2b2ef69d393c371b03db3a98aaf880eBen Murdoch // longer need to live behind a flag, so WeakMap gets added to the snapshot. 119969a99ed0b2b2ef69d393c371b03db3a98aaf880eBen Murdoch if (FLAG_harmony_weakmaps) { // -- W e a k M a p 120069a99ed0b2b2ef69d393c371b03db3a98aaf880eBen Murdoch Handle<JSObject> prototype = 120169a99ed0b2b2ef69d393c371b03db3a98aaf880eBen Murdoch factory()->NewJSObject(isolate()->object_function(), TENURED); 120269a99ed0b2b2ef69d393c371b03db3a98aaf880eBen Murdoch InstallFunction(global, "WeakMap", JS_WEAK_MAP_TYPE, JSWeakMap::kSize, 120369a99ed0b2b2ef69d393c371b03db3a98aaf880eBen Murdoch prototype, Builtins::kIllegal, true); 120469a99ed0b2b2ef69d393c371b03db3a98aaf880eBen Murdoch } 120569a99ed0b2b2ef69d393c371b03db3a98aaf880eBen Murdoch} 120669a99ed0b2b2ef69d393c371b03db3a98aaf880eBen Murdoch 120769a99ed0b2b2ef69d393c371b03db3a98aaf880eBen Murdoch 1208257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdochbool Genesis::CompileBuiltin(Isolate* isolate, int index) { 1209a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Vector<const char> name = Natives::GetScriptName(index); 121044f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<String> source_code = 1211257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch isolate->bootstrapper()->NativesSourceLookup(index); 1212257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch return CompileNative(name, source_code); 1213257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch} 1214257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch 1215257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch 1216257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdochbool Genesis::CompileExperimentalBuiltin(Isolate* isolate, int index) { 1217257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Vector<const char> name = ExperimentalNatives::GetScriptName(index); 1218257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Factory* factory = isolate->factory(); 1219257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<String> source_code = 12203fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch factory->NewStringFromAscii( 12213fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch ExperimentalNatives::GetRawScriptSource(index)); 1222a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block return CompileNative(name, source_code); 1223a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 1224a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1225a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1226a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockbool Genesis::CompileNative(Vector<const char> name, Handle<String> source) { 1227a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block HandleScope scope; 1228257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Isolate* isolate = source->GetIsolate(); 1229a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#ifdef ENABLE_DEBUGGER_SUPPORT 123044f0eee88ff00398ff7f715fab053374d808c90dSteve Block isolate->debugger()->set_compiling_natives(true); 1231a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#endif 12323100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu bool result = CompileScriptCached(name, 12333100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu source, 12343100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu NULL, 12353100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu NULL, 123644f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<Context>(isolate->context()), 12373100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu true); 123844f0eee88ff00398ff7f715fab053374d808c90dSteve Block ASSERT(isolate->has_pending_exception() != result); 123944f0eee88ff00398ff7f715fab053374d808c90dSteve Block if (!result) isolate->clear_pending_exception(); 1240a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#ifdef ENABLE_DEBUGGER_SUPPORT 124144f0eee88ff00398ff7f715fab053374d808c90dSteve Block isolate->debugger()->set_compiling_natives(false); 1242a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#endif 1243a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block return result; 1244a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 1245a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1246a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1247a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockbool Genesis::CompileScriptCached(Vector<const char> name, 1248a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<String> source, 1249a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block SourceCodeCache* cache, 1250a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block v8::Extension* extension, 12513100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<Context> top_context, 1252a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block bool use_runtime_context) { 1253257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Factory* factory = source->GetIsolate()->factory(); 1254a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block HandleScope scope; 12556ded16be15dd865a9b21ea304d5273c8be299c87Steve Block Handle<SharedFunctionInfo> function_info; 1256a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1257a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // If we can't find the function in the cache, we compile a new 1258a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // function and insert it into the cache. 12596ded16be15dd865a9b21ea304d5273c8be299c87Steve Block if (cache == NULL || !cache->Lookup(name, &function_info)) { 1260a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block ASSERT(source->IsAsciiRepresentation()); 126144f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<String> script_name = factory->NewStringFromUtf8(name); 12626ded16be15dd865a9b21ea304d5273c8be299c87Steve Block function_info = Compiler::Compile( 12633100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu source, 12643100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu script_name, 12653100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu 0, 12663100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu 0, 12673100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu extension, 12683100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu NULL, 1269402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu Handle<String>::null(), 12703100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu use_runtime_context ? NATIVES_CODE : NOT_NATIVES_CODE); 12716ded16be15dd865a9b21ea304d5273c8be299c87Steve Block if (function_info.is_null()) return false; 12726ded16be15dd865a9b21ea304d5273c8be299c87Steve Block if (cache != NULL) cache->Add(name, function_info); 1273a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 1274a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1275a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Setup the function context. Conceptually, we should clone the 1276a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // function before overwriting the context but since we're in a 1277a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // single-threaded environment it is not strictly necessary. 12783100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu ASSERT(top_context->IsGlobalContext()); 1279a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<Context> context = 1280a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<Context>(use_runtime_context 12813100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu ? Handle<Context>(top_context->runtime_context()) 12823100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu : top_context); 1283a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction> fun = 128444f0eee88ff00398ff7f715fab053374d808c90dSteve Block factory->NewFunctionFromSharedFunctionInfo(function_info, context); 1285a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 12864515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke // Call function using either the runtime object or the global 1287a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // object as the receiver. Provide no parameters. 1288a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<Object> receiver = 1289a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<Object>(use_runtime_context 12903100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu ? top_context->builtins() 12913100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu : top_context->global()); 1292a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block bool has_pending_exception; 1293257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Execution::Call(fun, receiver, 0, NULL, &has_pending_exception); 1294a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (has_pending_exception) return false; 1295402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu return true; 1296a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 1297a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1298a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1299257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch#define INSTALL_NATIVE(Type, name, var) \ 1300257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<String> var##_name = factory()->LookupAsciiSymbol(name); \ 1301257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Object* var##_native = \ 1302257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch global_context()->builtins()->GetPropertyNoExceptionThrown( \ 1303257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch *var##_name); \ 13048b112d2025046f85ef7f6be087c6129c872ebad2Ben Murdoch global_context()->set_##var(Type::cast(var##_native)); 1305a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 130644f0eee88ff00398ff7f715fab053374d808c90dSteve Block 1307a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockvoid Genesis::InstallNativeFunctions() { 1308a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block HandleScope scope; 1309a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block INSTALL_NATIVE(JSFunction, "CreateDate", create_date_fun); 1310a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block INSTALL_NATIVE(JSFunction, "ToNumber", to_number_fun); 1311a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block INSTALL_NATIVE(JSFunction, "ToString", to_string_fun); 1312a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block INSTALL_NATIVE(JSFunction, "ToDetailString", to_detail_string_fun); 1313a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block INSTALL_NATIVE(JSFunction, "ToObject", to_object_fun); 1314a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block INSTALL_NATIVE(JSFunction, "ToInteger", to_integer_fun); 1315a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block INSTALL_NATIVE(JSFunction, "ToUint32", to_uint32_fun); 1316a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block INSTALL_NATIVE(JSFunction, "ToInt32", to_int32_fun); 1317e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke INSTALL_NATIVE(JSFunction, "GlobalEval", global_eval_fun); 1318a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block INSTALL_NATIVE(JSFunction, "Instantiate", instantiate_fun); 1319a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block INSTALL_NATIVE(JSFunction, "ConfigureTemplateInstance", 1320a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block configure_instance_fun); 1321a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block INSTALL_NATIVE(JSFunction, "GetStackTraceLine", get_stack_trace_line_fun); 1322a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block INSTALL_NATIVE(JSObject, "functionCache", function_cache); 1323a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 1324a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1325257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdochvoid Genesis::InstallExperimentalNativeFunctions() { 1326257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch if (FLAG_harmony_proxies) { 13273fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch INSTALL_NATIVE(JSFunction, "DerivedHasTrap", derived_has_trap); 1328257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch INSTALL_NATIVE(JSFunction, "DerivedGetTrap", derived_get_trap); 13293fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch INSTALL_NATIVE(JSFunction, "DerivedSetTrap", derived_set_trap); 1330257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch } 1331257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch} 1332257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch 1333a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#undef INSTALL_NATIVE 1334a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1335a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1336a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockbool Genesis::InstallNatives() { 1337a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block HandleScope scope; 1338a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1339a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Create a function for the builtins object. Allocate space for the 1340a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // JavaScript builtins, a reference to the builtins object 1341a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // (itself) and a reference to the global_context directly in the object. 134244f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<Code> code = Handle<Code>( 1343257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch isolate()->builtins()->builtin(Builtins::kIllegal)); 1344a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction> builtins_fun = 1345257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewFunction(factory()->empty_symbol(), 1346257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch JS_BUILTINS_OBJECT_TYPE, 1347257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch JSBuiltinsObject::kSize, code, true); 1348a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1349257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<String> name = factory()->LookupAsciiSymbol("builtins"); 1350a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block builtins_fun->shared()->set_instance_class_name(*name); 1351a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1352a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Allocate the builtins object. 1353a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSBuiltinsObject> builtins = 1354257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<JSBuiltinsObject>::cast(factory()->NewGlobalObject(builtins_fun)); 1355a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block builtins->set_builtins(*builtins); 1356a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block builtins->set_global_context(*global_context()); 1357a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block builtins->set_global_receiver(*builtins); 1358a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1359a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Setup the 'global' properties of the builtins object. The 1360a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // 'global' property that refers to the global object is the only 1361a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // way to get from code running in the builtins context to the 1362a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // global object. 1363a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block static const PropertyAttributes attributes = 1364a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block static_cast<PropertyAttributes>(READ_ONLY | DONT_DELETE); 1365257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<String> global_symbol = factory()->LookupAsciiSymbol("global"); 13661e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block Handle<Object> global_obj(global_context()->global()); 13671e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block SetLocalPropertyNoThrow(builtins, global_symbol, global_obj, attributes); 1368a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1369a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Setup the reference from the global object to the builtins object. 1370a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block JSGlobalObject::cast(global_context()->global())->set_builtins(*builtins); 1371a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1372a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Create a bridge function that has context in the global context. 1373a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction> bridge = 1374257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewFunction(factory()->empty_symbol(), 1375257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->undefined_value()); 1376257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch ASSERT(bridge->context() == *isolate()->global_context()); 1377a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1378a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Allocate the builtins context. 1379a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<Context> context = 1380257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewFunctionContext(Context::MIN_CONTEXT_SLOTS, bridge); 1381a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block context->set_global(*builtins); // override builtins global object 1382a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1383a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block global_context()->set_runtime_context(*context); 1384a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1385a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block { // -- S c r i p t 1386a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Builtin functions for Script. 1387a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction> script_fun = 1388a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block InstallFunction(builtins, "Script", JS_VALUE_TYPE, JSValue::kSize, 1389257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch isolate()->initial_object_prototype(), 139044f0eee88ff00398ff7f715fab053374d808c90dSteve Block Builtins::kIllegal, false); 1391a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSObject> prototype = 1392257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewJSObject(isolate()->object_function(), TENURED); 1393a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block SetPrototype(script_fun, prototype); 1394a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block global_context()->set_script_function(*script_fun); 1395a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1396a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Add 'source' and 'data' property to scripts. 1397a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block PropertyAttributes common_attributes = 1398a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block static_cast<PropertyAttributes>(DONT_ENUM | DONT_DELETE | READ_ONLY); 1399257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Foreign> foreign_source = 1400257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewForeign(&Accessors::ScriptSource); 1401a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<DescriptorArray> script_descriptors = 1402257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->CopyAppendForeignDescriptor( 1403257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->empty_descriptor_array(), 1404257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->LookupAsciiSymbol("source"), 1405257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch foreign_source, 1406a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block common_attributes); 1407257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Foreign> foreign_name = 1408257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewForeign(&Accessors::ScriptName); 1409a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors = 1410257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->CopyAppendForeignDescriptor( 1411a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors, 1412257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->LookupAsciiSymbol("name"), 1413257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch foreign_name, 1414a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block common_attributes); 1415257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Foreign> foreign_id = factory()->NewForeign(&Accessors::ScriptId); 1416a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors = 1417257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->CopyAppendForeignDescriptor( 1418a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors, 1419257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->LookupAsciiSymbol("id"), 1420257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch foreign_id, 1421a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block common_attributes); 1422257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Foreign> foreign_line_offset = 1423257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewForeign(&Accessors::ScriptLineOffset); 1424a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors = 1425257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->CopyAppendForeignDescriptor( 1426a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors, 1427257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->LookupAsciiSymbol("line_offset"), 1428257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch foreign_line_offset, 1429a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block common_attributes); 1430257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Foreign> foreign_column_offset = 1431257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewForeign(&Accessors::ScriptColumnOffset); 1432a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors = 1433257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->CopyAppendForeignDescriptor( 1434a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors, 1435257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->LookupAsciiSymbol("column_offset"), 1436257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch foreign_column_offset, 1437a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block common_attributes); 1438257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Foreign> foreign_data = 1439257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewForeign(&Accessors::ScriptData); 1440a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors = 1441257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->CopyAppendForeignDescriptor( 1442a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors, 1443257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->LookupAsciiSymbol("data"), 1444257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch foreign_data, 1445a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block common_attributes); 1446257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Foreign> foreign_type = 1447257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewForeign(&Accessors::ScriptType); 1448a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors = 1449257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->CopyAppendForeignDescriptor( 1450a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors, 1451257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->LookupAsciiSymbol("type"), 1452257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch foreign_type, 1453a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block common_attributes); 1454257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Foreign> foreign_compilation_type = 1455257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewForeign(&Accessors::ScriptCompilationType); 1456a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors = 1457257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->CopyAppendForeignDescriptor( 1458a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors, 1459257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->LookupAsciiSymbol("compilation_type"), 1460257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch foreign_compilation_type, 1461a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block common_attributes); 1462257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Foreign> foreign_line_ends = 1463257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewForeign(&Accessors::ScriptLineEnds); 1464a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors = 1465257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->CopyAppendForeignDescriptor( 1466a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors, 1467257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->LookupAsciiSymbol("line_ends"), 1468257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch foreign_line_ends, 1469a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block common_attributes); 1470257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Foreign> foreign_context_data = 1471257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewForeign(&Accessors::ScriptContextData); 1472a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors = 1473257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->CopyAppendForeignDescriptor( 1474a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors, 1475257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->LookupAsciiSymbol("context_data"), 1476257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch foreign_context_data, 1477a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block common_attributes); 1478257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Foreign> foreign_eval_from_script = 1479257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewForeign(&Accessors::ScriptEvalFromScript); 1480a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors = 1481257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->CopyAppendForeignDescriptor( 1482a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors, 1483257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->LookupAsciiSymbol("eval_from_script"), 1484257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch foreign_eval_from_script, 1485a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block common_attributes); 1486257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Foreign> foreign_eval_from_script_position = 1487257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewForeign(&Accessors::ScriptEvalFromScriptPosition); 1488a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors = 1489257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->CopyAppendForeignDescriptor( 1490a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_descriptors, 1491257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->LookupAsciiSymbol("eval_from_script_position"), 1492257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch foreign_eval_from_script_position, 1493d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block common_attributes); 1494257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Foreign> foreign_eval_from_function_name = 1495257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewForeign(&Accessors::ScriptEvalFromFunctionName); 1496d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block script_descriptors = 1497257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->CopyAppendForeignDescriptor( 1498d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block script_descriptors, 1499257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->LookupAsciiSymbol("eval_from_function_name"), 1500257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch foreign_eval_from_function_name, 1501a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block common_attributes); 1502a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1503a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<Map> script_map = Handle<Map>(script_fun->initial_map()); 1504a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script_map->set_instance_descriptors(*script_descriptors); 1505a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1506a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Allocate the empty script. 1507257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Script> script = factory()->NewScript(factory()->empty_string()); 1508a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block script->set_type(Smi::FromInt(Script::TYPE_NATIVE)); 1509257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch heap()->public_set_empty_script(*script); 1510a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 15116ded16be15dd865a9b21ea304d5273c8be299c87Steve Block { 15126ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // Builtin function for OpaqueReference -- a JSValue-based object, 15136ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // that keeps its field isolated from JavaScript code. It may store 15146ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // objects, that JavaScript code may not access. 15156ded16be15dd865a9b21ea304d5273c8be299c87Steve Block Handle<JSFunction> opaque_reference_fun = 15166ded16be15dd865a9b21ea304d5273c8be299c87Steve Block InstallFunction(builtins, "OpaqueReference", JS_VALUE_TYPE, 151744f0eee88ff00398ff7f715fab053374d808c90dSteve Block JSValue::kSize, 1518257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch isolate()->initial_object_prototype(), 151944f0eee88ff00398ff7f715fab053374d808c90dSteve Block Builtins::kIllegal, false); 15206ded16be15dd865a9b21ea304d5273c8be299c87Steve Block Handle<JSObject> prototype = 1521257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewJSObject(isolate()->object_function(), TENURED); 15226ded16be15dd865a9b21ea304d5273c8be299c87Steve Block SetPrototype(opaque_reference_fun, prototype); 15236ded16be15dd865a9b21ea304d5273c8be299c87Steve Block global_context()->set_opaque_reference_function(*opaque_reference_fun); 15246ded16be15dd865a9b21ea304d5273c8be299c87Steve Block } 15256ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 1526e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch { // --- I n t e r n a l A r r a y --- 1527e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch // An array constructor on the builtins object that works like 1528e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch // the public Array constructor, except that its prototype 1529e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch // doesn't inherit from Object.prototype. 1530e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch // To be used only for internal work by builtins. Instances 1531e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch // must not be leaked to user code. 1532e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch // Only works correctly when called as a constructor. The normal 1533e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch // Array code uses Array.prototype as prototype when called as 1534e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch // a function. 1535e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch Handle<JSFunction> array_function = 1536e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch InstallFunction(builtins, 1537e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch "InternalArray", 1538e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch JS_ARRAY_TYPE, 1539e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch JSArray::kSize, 1540257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch isolate()->initial_object_prototype(), 154144f0eee88ff00398ff7f715fab053374d808c90dSteve Block Builtins::kArrayCode, 1542e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch true); 1543e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch Handle<JSObject> prototype = 1544257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewJSObject(isolate()->object_function(), TENURED); 1545e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch SetPrototype(array_function, prototype); 1546e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch 1547e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch array_function->shared()->set_construct_stub( 1548257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch isolate()->builtins()->builtin(Builtins::kArrayConstructCode)); 1549e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch array_function->shared()->DontAdaptArguments(); 1550e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch 1551e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch // Make "length" magic on instances. 1552e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch Handle<DescriptorArray> array_descriptors = 1553257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->CopyAppendForeignDescriptor( 1554257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->empty_descriptor_array(), 1555257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->length_symbol(), 1556257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewForeign(&Accessors::ArrayLength), 1557e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch static_cast<PropertyAttributes>(DONT_ENUM | DONT_DELETE)); 1558e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch 1559e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch array_function->initial_map()->set_instance_descriptors( 1560e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch *array_descriptors); 1561e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch } 1562e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch 15636ded16be15dd865a9b21ea304d5273c8be299c87Steve Block if (FLAG_disable_native_files) { 15646ded16be15dd865a9b21ea304d5273c8be299c87Steve Block PrintF("Warning: Running without installed natives!\n"); 15656ded16be15dd865a9b21ea304d5273c8be299c87Steve Block return true; 15666ded16be15dd865a9b21ea304d5273c8be299c87Steve Block } 1567a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 15683100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Install natives. 15693100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu for (int i = Natives::GetDebuggerCount(); 15703100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu i < Natives::GetBuiltinsCount(); 15713100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu i++) { 1572257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch if (!CompileBuiltin(isolate(), i)) return false; 1573402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu // TODO(ager): We really only need to install the JS builtin 1574402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu // functions on the builtins object after compiling and running 1575402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu // runtime.js. 1576402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu if (!InstallJSBuiltins(builtins)) return false; 1577a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 1578a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1579a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block InstallNativeFunctions(); 1580a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1581756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick // Store the map for the string prototype after the natives has been compiled 1582756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick // and the String function has been setup. 1583756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick Handle<JSFunction> string_function(global_context()->string_function()); 1584756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick ASSERT(JSObject::cast( 1585756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick string_function->initial_map()->prototype())->HasFastProperties()); 1586756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick global_context()->set_string_function_prototype_map( 1587756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick HeapObject::cast(string_function->initial_map()->prototype())->map()); 1588756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick 1589a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Install Function.prototype.call and apply. 1590257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch { Handle<String> key = factory()->function_class_symbol(); 1591a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction> function = 1592257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<JSFunction>::cast(GetProperty(isolate()->global(), key)); 1593a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSObject> proto = 1594a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSObject>(JSObject::cast(function->instance_prototype())); 1595a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1596a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Install the call and the apply functions. 1597a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction> call = 1598a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block InstallFunction(proto, "call", JS_OBJECT_TYPE, JSObject::kHeaderSize, 15996ded16be15dd865a9b21ea304d5273c8be299c87Steve Block Handle<JSObject>::null(), 160044f0eee88ff00398ff7f715fab053374d808c90dSteve Block Builtins::kFunctionCall, 1601a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block false); 1602a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction> apply = 1603a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block InstallFunction(proto, "apply", JS_OBJECT_TYPE, JSObject::kHeaderSize, 16046ded16be15dd865a9b21ea304d5273c8be299c87Steve Block Handle<JSObject>::null(), 160544f0eee88ff00398ff7f715fab053374d808c90dSteve Block Builtins::kFunctionApply, 1606a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block false); 1607a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1608a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Make sure that Function.prototype.call appears to be compiled. 1609a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // The code will never be called, but inline caching for call will 1610a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // only work if it appears to be compiled. 1611a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block call->shared()->DontAdaptArguments(); 1612a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block ASSERT(call->is_compiled()); 1613a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1614a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Set the expected parameters for apply to 2; required by builtin. 1615a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block apply->shared()->set_formal_parameter_count(2); 1616a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1617a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Set the lengths for the functions to satisfy ECMA-262. 1618a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block call->shared()->set_length(1); 1619a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block apply->shared()->set_length(2); 1620a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 1621a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 162242effa50d92d47f80404ee63808dbde9921e6202Ben Murdoch InstallBuiltinFunctionIds(); 162342effa50d92d47f80404ee63808dbde9921e6202Ben Murdoch 16246ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // Create a constructor for RegExp results (a variant of Array that 16256ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // predefines the two properties index and match). 16266ded16be15dd865a9b21ea304d5273c8be299c87Steve Block { 16276ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // RegExpResult initial map. 16286ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 16296ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // Find global.Array.prototype to inherit from. 16306ded16be15dd865a9b21ea304d5273c8be299c87Steve Block Handle<JSFunction> array_constructor(global_context()->array_function()); 16316ded16be15dd865a9b21ea304d5273c8be299c87Steve Block Handle<JSObject> array_prototype( 16326ded16be15dd865a9b21ea304d5273c8be299c87Steve Block JSObject::cast(array_constructor->instance_prototype())); 16336ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 16346ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // Add initial map. 16356ded16be15dd865a9b21ea304d5273c8be299c87Steve Block Handle<Map> initial_map = 1636257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewMap(JS_ARRAY_TYPE, JSRegExpResult::kSize); 16376ded16be15dd865a9b21ea304d5273c8be299c87Steve Block initial_map->set_constructor(*array_constructor); 16386ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 16396ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // Set prototype on map. 16406ded16be15dd865a9b21ea304d5273c8be299c87Steve Block initial_map->set_non_instance_prototype(false); 16416ded16be15dd865a9b21ea304d5273c8be299c87Steve Block initial_map->set_prototype(*array_prototype); 16426ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 16436ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // Update map with length accessor from Array and add "index" and "input". 16446ded16be15dd865a9b21ea304d5273c8be299c87Steve Block Handle<Map> array_map(global_context()->js_array_map()); 16456ded16be15dd865a9b21ea304d5273c8be299c87Steve Block Handle<DescriptorArray> array_descriptors( 16466ded16be15dd865a9b21ea304d5273c8be299c87Steve Block array_map->instance_descriptors()); 16476ded16be15dd865a9b21ea304d5273c8be299c87Steve Block ASSERT_EQ(1, array_descriptors->number_of_descriptors()); 16486ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 16496ded16be15dd865a9b21ea304d5273c8be299c87Steve Block Handle<DescriptorArray> reresult_descriptors = 1650257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch factory()->NewDescriptorArray(3); 16516ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 16526ded16be15dd865a9b21ea304d5273c8be299c87Steve Block reresult_descriptors->CopyFrom(0, *array_descriptors, 0); 16536ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 16546ded16be15dd865a9b21ea304d5273c8be299c87Steve Block int enum_index = 0; 16556ded16be15dd865a9b21ea304d5273c8be299c87Steve Block { 1656257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch FieldDescriptor index_field(heap()->index_symbol(), 16576ded16be15dd865a9b21ea304d5273c8be299c87Steve Block JSRegExpResult::kIndexIndex, 16586ded16be15dd865a9b21ea304d5273c8be299c87Steve Block NONE, 16596ded16be15dd865a9b21ea304d5273c8be299c87Steve Block enum_index++); 16606ded16be15dd865a9b21ea304d5273c8be299c87Steve Block reresult_descriptors->Set(1, &index_field); 16616ded16be15dd865a9b21ea304d5273c8be299c87Steve Block } 16626ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 16636ded16be15dd865a9b21ea304d5273c8be299c87Steve Block { 1664257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch FieldDescriptor input_field(heap()->input_symbol(), 16656ded16be15dd865a9b21ea304d5273c8be299c87Steve Block JSRegExpResult::kInputIndex, 16666ded16be15dd865a9b21ea304d5273c8be299c87Steve Block NONE, 16676ded16be15dd865a9b21ea304d5273c8be299c87Steve Block enum_index++); 16686ded16be15dd865a9b21ea304d5273c8be299c87Steve Block reresult_descriptors->Set(2, &input_field); 16696ded16be15dd865a9b21ea304d5273c8be299c87Steve Block } 16706ded16be15dd865a9b21ea304d5273c8be299c87Steve Block reresult_descriptors->Sort(); 16716ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 16726ded16be15dd865a9b21ea304d5273c8be299c87Steve Block initial_map->set_inobject_properties(2); 16736ded16be15dd865a9b21ea304d5273c8be299c87Steve Block initial_map->set_pre_allocated_property_fields(2); 16746ded16be15dd865a9b21ea304d5273c8be299c87Steve Block initial_map->set_unused_property_fields(0); 16756ded16be15dd865a9b21ea304d5273c8be299c87Steve Block initial_map->set_instance_descriptors(*reresult_descriptors); 16766ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 16776ded16be15dd865a9b21ea304d5273c8be299c87Steve Block global_context()->set_regexp_result_map(*initial_map); 16786ded16be15dd865a9b21ea304d5273c8be299c87Steve Block } 16796ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 1680e0cee9b3ed82e2391fd85d118aeaa4ea361c687dBen Murdoch 1681a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#ifdef DEBUG 1682a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block builtins->Verify(); 1683a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#endif 16843100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu 1685a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block return true; 1686a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 1687a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1688a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1689257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdochbool Genesis::InstallExperimentalNatives() { 1690257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch for (int i = ExperimentalNatives::GetDebuggerCount(); 1691257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch i < ExperimentalNatives::GetBuiltinsCount(); 1692257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch i++) { 1693257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch if (FLAG_harmony_proxies && 1694257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch strcmp(ExperimentalNatives::GetScriptName(i).start(), 1695257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch "native proxy.js") == 0) { 1696257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch if (!CompileExperimentalBuiltin(isolate(), i)) return false; 1697257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch } 169869a99ed0b2b2ef69d393c371b03db3a98aaf880eBen Murdoch if (FLAG_harmony_weakmaps && 169969a99ed0b2b2ef69d393c371b03db3a98aaf880eBen Murdoch strcmp(ExperimentalNatives::GetScriptName(i).start(), 170069a99ed0b2b2ef69d393c371b03db3a98aaf880eBen Murdoch "native weakmap.js") == 0) { 170169a99ed0b2b2ef69d393c371b03db3a98aaf880eBen Murdoch if (!CompileExperimentalBuiltin(isolate(), i)) return false; 170269a99ed0b2b2ef69d393c371b03db3a98aaf880eBen Murdoch } 1703257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch } 1704257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch 1705257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch InstallExperimentalNativeFunctions(); 1706257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch 1707257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch return true; 1708257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch} 1709257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch 1710257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch 1711b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdochstatic Handle<JSObject> ResolveBuiltinIdHolder( 17120d5e116f6aee03185f237311a943491bb079a768Kristian Monsen Handle<Context> global_context, 17130d5e116f6aee03185f237311a943491bb079a768Kristian Monsen const char* holder_expr) { 1714257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Factory* factory = global_context->GetIsolate()->factory(); 17150d5e116f6aee03185f237311a943491bb079a768Kristian Monsen Handle<GlobalObject> global(global_context->global()); 17160d5e116f6aee03185f237311a943491bb079a768Kristian Monsen const char* period_pos = strchr(holder_expr, '.'); 17170d5e116f6aee03185f237311a943491bb079a768Kristian Monsen if (period_pos == NULL) { 17180d5e116f6aee03185f237311a943491bb079a768Kristian Monsen return Handle<JSObject>::cast( 171944f0eee88ff00398ff7f715fab053374d808c90dSteve Block GetProperty(global, factory->LookupAsciiSymbol(holder_expr))); 172059151504615d929945dc59db37bf1166937748c6Steve Block } 17210d5e116f6aee03185f237311a943491bb079a768Kristian Monsen ASSERT_EQ(".prototype", period_pos); 17220d5e116f6aee03185f237311a943491bb079a768Kristian Monsen Vector<const char> property(holder_expr, 17230d5e116f6aee03185f237311a943491bb079a768Kristian Monsen static_cast<int>(period_pos - holder_expr)); 17240d5e116f6aee03185f237311a943491bb079a768Kristian Monsen Handle<JSFunction> function = Handle<JSFunction>::cast( 172544f0eee88ff00398ff7f715fab053374d808c90dSteve Block GetProperty(global, factory->LookupSymbol(property))); 17260d5e116f6aee03185f237311a943491bb079a768Kristian Monsen return Handle<JSObject>(JSObject::cast(function->prototype())); 17270d5e116f6aee03185f237311a943491bb079a768Kristian Monsen} 17280d5e116f6aee03185f237311a943491bb079a768Kristian Monsen 17290d5e116f6aee03185f237311a943491bb079a768Kristian Monsen 1730b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdochstatic void InstallBuiltinFunctionId(Handle<JSObject> holder, 1731b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch const char* function_name, 1732b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch BuiltinFunctionId id) { 1733257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Factory* factory = holder->GetIsolate()->factory(); 1734257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<String> name = factory->LookupAsciiSymbol(function_name); 17355913587db4c6bab03d97bfe44b06289fd6d7270dJohn Reck Object* function_object = holder->GetProperty(*name)->ToObjectUnchecked(); 17365913587db4c6bab03d97bfe44b06289fd6d7270dJohn Reck Handle<JSFunction> function(JSFunction::cast(function_object)); 173725f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen function->shared()->set_function_data(Smi::FromInt(id)); 173825f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen} 173925f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen 174025f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen 1741b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdochvoid Genesis::InstallBuiltinFunctionIds() { 174225f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen HandleScope scope; 1743b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch#define INSTALL_BUILTIN_ID(holder_expr, fun_name, name) \ 1744b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch { \ 1745b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch Handle<JSObject> holder = ResolveBuiltinIdHolder( \ 1746b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch global_context(), #holder_expr); \ 1747b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch BuiltinFunctionId id = k##name; \ 1748b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch InstallBuiltinFunctionId(holder, #fun_name, id); \ 174925f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen } 1750b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch FUNCTIONS_WITH_ID_LIST(INSTALL_BUILTIN_ID) 1751b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch#undef INSTALL_BUILTIN_ID 175225f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen} 175325f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen 175425f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen 17556ded16be15dd865a9b21ea304d5273c8be299c87Steve Block// Do not forget to update macros.py with named constant 17566ded16be15dd865a9b21ea304d5273c8be299c87Steve Block// of cache id. 17576ded16be15dd865a9b21ea304d5273c8be299c87Steve Block#define JSFUNCTION_RESULT_CACHE_LIST(F) \ 17586ded16be15dd865a9b21ea304d5273c8be299c87Steve Block F(16, global_context()->regexp_function()) 17596ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 17606ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 1761257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdochstatic FixedArray* CreateCache(int size, Handle<JSFunction> factory_function) { 1762257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Factory* factory = factory_function->GetIsolate()->factory(); 17636ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // Caches are supposed to live for a long time, allocate in old space. 17646ded16be15dd865a9b21ea304d5273c8be299c87Steve Block int array_size = JSFunctionResultCache::kEntriesIndex + 2 * size; 17656ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // Cannot use cast as object is not fully initialized yet. 17666ded16be15dd865a9b21ea304d5273c8be299c87Steve Block JSFunctionResultCache* cache = reinterpret_cast<JSFunctionResultCache*>( 1767257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch *factory->NewFixedArrayWithHoles(array_size, TENURED)); 1768257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch cache->set(JSFunctionResultCache::kFactoryIndex, *factory_function); 17696ded16be15dd865a9b21ea304d5273c8be299c87Steve Block cache->MakeZeroSize(); 17706ded16be15dd865a9b21ea304d5273c8be299c87Steve Block return cache; 17716ded16be15dd865a9b21ea304d5273c8be299c87Steve Block} 17726ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 17736ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 17746ded16be15dd865a9b21ea304d5273c8be299c87Steve Blockvoid Genesis::InstallJSFunctionResultCaches() { 17756ded16be15dd865a9b21ea304d5273c8be299c87Steve Block const int kNumberOfCaches = 0 + 17766ded16be15dd865a9b21ea304d5273c8be299c87Steve Block#define F(size, func) + 1 17776ded16be15dd865a9b21ea304d5273c8be299c87Steve Block JSFUNCTION_RESULT_CACHE_LIST(F) 17786ded16be15dd865a9b21ea304d5273c8be299c87Steve Block#undef F 17796ded16be15dd865a9b21ea304d5273c8be299c87Steve Block ; 17806ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 178144f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<FixedArray> caches = FACTORY->NewFixedArray(kNumberOfCaches, TENURED); 17826ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 17836ded16be15dd865a9b21ea304d5273c8be299c87Steve Block int index = 0; 17840d5e116f6aee03185f237311a943491bb079a768Kristian Monsen 1785257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch#define F(size, func) do { \ 1786257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch FixedArray* cache = CreateCache((size), Handle<JSFunction>(func)); \ 1787257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch caches->set(index++, cache); \ 17880d5e116f6aee03185f237311a943491bb079a768Kristian Monsen } while (false) 17890d5e116f6aee03185f237311a943491bb079a768Kristian Monsen 17900d5e116f6aee03185f237311a943491bb079a768Kristian Monsen JSFUNCTION_RESULT_CACHE_LIST(F); 17910d5e116f6aee03185f237311a943491bb079a768Kristian Monsen 17926ded16be15dd865a9b21ea304d5273c8be299c87Steve Block#undef F 17936ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 17946ded16be15dd865a9b21ea304d5273c8be299c87Steve Block global_context()->set_jsfunction_result_caches(*caches); 17956ded16be15dd865a9b21ea304d5273c8be299c87Steve Block} 17966ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 17976ded16be15dd865a9b21ea304d5273c8be299c87Steve Block 179880d68eab642096c1a48b6474d6ec33064b0ad1f5Kristian Monsenvoid Genesis::InitializeNormalizedMapCaches() { 179980d68eab642096c1a48b6474d6ec33064b0ad1f5Kristian Monsen Handle<FixedArray> array( 180044f0eee88ff00398ff7f715fab053374d808c90dSteve Block FACTORY->NewFixedArray(NormalizedMapCache::kEntries, TENURED)); 180180d68eab642096c1a48b6474d6ec33064b0ad1f5Kristian Monsen global_context()->set_normalized_map_cache(NormalizedMapCache::cast(*array)); 180280d68eab642096c1a48b6474d6ec33064b0ad1f5Kristian Monsen} 180380d68eab642096c1a48b6474d6ec33064b0ad1f5Kristian Monsen 180480d68eab642096c1a48b6474d6ec33064b0ad1f5Kristian Monsen 18053100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescubool Bootstrapper::InstallExtensions(Handle<Context> global_context, 18063100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu v8::ExtensionConfiguration* extensions) { 1807257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Isolate* isolate = global_context->GetIsolate(); 18083100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu BootstrapperActive active; 180944f0eee88ff00398ff7f715fab053374d808c90dSteve Block SaveContext saved_context(isolate); 181044f0eee88ff00398ff7f715fab053374d808c90dSteve Block isolate->set_context(*global_context); 18113100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu if (!Genesis::InstallExtensions(global_context, extensions)) return false; 18123100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Genesis::InstallSpecialObjects(global_context); 18133100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu return true; 18143100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu} 18153100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu 18163100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu 18173100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescuvoid Genesis::InstallSpecialObjects(Handle<Context> global_context) { 1818257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Factory* factory = global_context->GetIsolate()->factory(); 1819a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block HandleScope scope; 1820a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSGlobalObject> js_global( 18213100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu JSGlobalObject::cast(global_context->global())); 1822a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Expose the natives in global if a name for it is specified. 1823a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (FLAG_expose_natives_as != NULL && strlen(FLAG_expose_natives_as) != 0) { 1824a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<String> natives_string = 182544f0eee88ff00398ff7f715fab053374d808c90dSteve Block factory->LookupAsciiSymbol(FLAG_expose_natives_as); 18261e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block SetLocalPropertyNoThrow(js_global, natives_string, 18271e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block Handle<JSObject>(js_global->builtins()), DONT_ENUM); 1828a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 1829a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1830a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<Object> Error = GetProperty(js_global, "Error"); 1831a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (Error->IsJSObject()) { 183244f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<String> name = factory->LookupAsciiSymbol("stackTraceLimit"); 18331e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block SetLocalPropertyNoThrow(Handle<JSObject>::cast(Error), 18341e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block name, 18351e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block Handle<Smi>(Smi::FromInt(FLAG_stack_trace_limit)), 18361e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block NONE); 1837a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 1838a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1839a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#ifdef ENABLE_DEBUGGER_SUPPORT 1840a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Expose the debug global object in global if a name for it is specified. 1841a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (FLAG_expose_debug_as != NULL && strlen(FLAG_expose_debug_as) != 0) { 184244f0eee88ff00398ff7f715fab053374d808c90dSteve Block Debug* debug = Isolate::Current()->debug(); 1843a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // If loading fails we just bail out without installing the 1844a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // debugger but without tanking the whole context. 184544f0eee88ff00398ff7f715fab053374d808c90dSteve Block if (!debug->Load()) return; 1846a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Set the security token for the debugger context to the same as 1847a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // the shell global context to allow calling between these (otherwise 1848a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // exposing debug global object doesn't make much sense). 184944f0eee88ff00398ff7f715fab053374d808c90dSteve Block debug->debug_context()->set_security_token( 18503100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu global_context->security_token()); 1851a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1852a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<String> debug_string = 185344f0eee88ff00398ff7f715fab053374d808c90dSteve Block factory->LookupAsciiSymbol(FLAG_expose_debug_as); 185444f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<Object> global_proxy(debug->debug_context()->global_proxy()); 18551e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block SetLocalPropertyNoThrow(js_global, debug_string, global_proxy, DONT_ENUM); 1856a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 1857a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#endif 1858a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 1859a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1860a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 18613100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescubool Genesis::InstallExtensions(Handle<Context> global_context, 18623100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu v8::ExtensionConfiguration* extensions) { 186344f0eee88ff00398ff7f715fab053374d808c90dSteve Block // TODO(isolates): Extensions on multiple isolates may take a little more 186444f0eee88ff00398ff7f715fab053374d808c90dSteve Block // effort. (The external API reads 'ignore'-- does that mean 186544f0eee88ff00398ff7f715fab053374d808c90dSteve Block // we can break the interface?) 186644f0eee88ff00398ff7f715fab053374d808c90dSteve Block 1867a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Clear coloring of extension list 1868a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block v8::RegisteredExtension* current = v8::RegisteredExtension::first_extension(); 1869a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block while (current != NULL) { 1870a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block current->set_state(v8::UNVISITED); 1871a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block current = current->next(); 1872a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 18733100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Install auto extensions. 1874a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block current = v8::RegisteredExtension::first_extension(); 1875a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block while (current != NULL) { 1876a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (current->extension()->auto_enable()) 1877a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block InstallExtension(current); 1878a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block current = current->next(); 1879a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 1880a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1881a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (FLAG_expose_gc) InstallExtension("v8/gc"); 18829dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen if (FLAG_expose_externalize_string) InstallExtension("v8/externalize"); 1883a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1884a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (extensions == NULL) return true; 1885a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Install required extensions 1886a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block int count = v8::ImplementationUtilities::GetNameCount(extensions); 1887a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block const char** names = v8::ImplementationUtilities::GetNames(extensions); 1888a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block for (int i = 0; i < count; i++) { 1889a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (!InstallExtension(names[i])) 1890a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block return false; 1891a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 1892a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1893a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block return true; 1894a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 1895a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1896a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1897a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Installs a named extension. This methods is unoptimized and does 1898a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// not scale well if we want to support a large number of extensions. 1899a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockbool Genesis::InstallExtension(const char* name) { 1900a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block v8::RegisteredExtension* current = v8::RegisteredExtension::first_extension(); 1901a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Loop until we find the relevant extension 1902a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block while (current != NULL) { 1903a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (strcmp(name, current->extension()->name()) == 0) break; 1904a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block current = current->next(); 1905a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 1906a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Didn't find the extension; fail. 1907a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (current == NULL) { 1908a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block v8::Utils::ReportApiFailure( 1909a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block "v8::Context::New()", "Cannot find required extension"); 1910a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block return false; 1911a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 1912a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block return InstallExtension(current); 1913a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 1914a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1915a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1916a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockbool Genesis::InstallExtension(v8::RegisteredExtension* current) { 1917a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block HandleScope scope; 1918a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1919a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (current->state() == v8::INSTALLED) return true; 1920a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // The current node has already been visited so there must be a 1921a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // cycle in the dependency graph; fail. 1922a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (current->state() == v8::VISITED) { 1923a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block v8::Utils::ReportApiFailure( 1924a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block "v8::Context::New()", "Circular extension dependency"); 1925a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block return false; 1926a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 1927a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block ASSERT(current->state() == v8::UNVISITED); 1928a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block current->set_state(v8::VISITED); 1929a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block v8::Extension* extension = current->extension(); 1930a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Install the extension's dependencies 1931a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block for (int i = 0; i < extension->dependency_count(); i++) { 1932a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (!InstallExtension(extension->dependencies()[i])) return false; 1933a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 193444f0eee88ff00398ff7f715fab053374d808c90dSteve Block Isolate* isolate = Isolate::Current(); 1935a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Vector<const char> source = CStrVector(extension->source()); 193644f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<String> source_code = isolate->factory()->NewStringFromAscii(source); 1937a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block bool result = CompileScriptCached(CStrVector(extension->name()), 1938a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block source_code, 193944f0eee88ff00398ff7f715fab053374d808c90dSteve Block isolate->bootstrapper()->extensions_cache(), 19403100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu extension, 194144f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<Context>(isolate->context()), 1942a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block false); 194344f0eee88ff00398ff7f715fab053374d808c90dSteve Block ASSERT(isolate->has_pending_exception() != result); 1944a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (!result) { 194544f0eee88ff00398ff7f715fab053374d808c90dSteve Block isolate->clear_pending_exception(); 1946a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 1947a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block current->set_state(v8::INSTALLED); 1948a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block return result; 1949a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 1950a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1951a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1952402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescubool Genesis::InstallJSBuiltins(Handle<JSBuiltinsObject> builtins) { 1953402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu HandleScope scope; 1954257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Factory* factory = builtins->GetIsolate()->factory(); 1955402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu for (int i = 0; i < Builtins::NumberOfJavaScriptBuiltins(); i++) { 1956402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu Builtins::JavaScript id = static_cast<Builtins::JavaScript>(i); 1957257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<String> name = factory->LookupAsciiSymbol(Builtins::GetName(id)); 19585913587db4c6bab03d97bfe44b06289fd6d7270dJohn Reck Object* function_object = builtins->GetPropertyNoExceptionThrown(*name); 1959402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu Handle<JSFunction> function 19605913587db4c6bab03d97bfe44b06289fd6d7270dJohn Reck = Handle<JSFunction>(JSFunction::cast(function_object)); 1961402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu builtins->set_javascript_builtin(id, *function); 1962402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu Handle<SharedFunctionInfo> shared 1963402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu = Handle<SharedFunctionInfo>(function->shared()); 1964402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu if (!EnsureCompiled(shared, CLEAR_EXCEPTION)) return false; 1965756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick // Set the code object on the function object. 1966b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch function->ReplaceCode(function->shared()->code()); 19676ded16be15dd865a9b21ea304d5273c8be299c87Steve Block builtins->set_javascript_builtin_code(id, shared->code()); 1968402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu } 1969402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu return true; 19703100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu} 19713100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu 19723100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu 1973a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockbool Genesis::ConfigureGlobalObjects( 1974a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block v8::Handle<v8::ObjectTemplate> global_proxy_template) { 1975a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSObject> global_proxy( 1976a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block JSObject::cast(global_context()->global_proxy())); 1977402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu Handle<JSObject> inner_global(JSObject::cast(global_context()->global())); 1978a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1979a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (!global_proxy_template.IsEmpty()) { 1980a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Configure the global proxy object. 1981a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<ObjectTemplateInfo> proxy_data = 1982a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block v8::Utils::OpenHandle(*global_proxy_template); 1983a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (!ConfigureApiObject(global_proxy, proxy_data)) return false; 1984a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1985a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Configure the inner global object. 1986a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<FunctionTemplateInfo> proxy_constructor( 1987a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block FunctionTemplateInfo::cast(proxy_data->constructor())); 1988a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (!proxy_constructor->prototype_template()->IsUndefined()) { 1989a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<ObjectTemplateInfo> inner_data( 1990a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block ObjectTemplateInfo::cast(proxy_constructor->prototype_template())); 1991402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu if (!ConfigureApiObject(inner_global, inner_data)) return false; 1992a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 1993a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 1994a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1995402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu SetObjectPrototype(global_proxy, inner_global); 1996a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block return true; 1997a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 1998a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1999a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2000a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockbool Genesis::ConfigureApiObject(Handle<JSObject> object, 2001a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<ObjectTemplateInfo> object_template) { 2002a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block ASSERT(!object_template.is_null()); 2003a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block ASSERT(object->IsInstanceOf( 2004a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block FunctionTemplateInfo::cast(object_template->constructor()))); 2005a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2006a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block bool pending_exception = false; 2007a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSObject> obj = 2008a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Execution::InstantiateObject(object_template, &pending_exception); 2009a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (pending_exception) { 2010257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch ASSERT(isolate()->has_pending_exception()); 2011257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch isolate()->clear_pending_exception(); 2012a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block return false; 2013a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 2014a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block TransferObject(obj, object); 2015a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block return true; 2016a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 2017a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2018a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2019a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockvoid Genesis::TransferNamedProperties(Handle<JSObject> from, 2020a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSObject> to) { 2021a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (from->HasFastProperties()) { 2022a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<DescriptorArray> descs = 2023a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<DescriptorArray>(from->map()->instance_descriptors()); 2024a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block for (int i = 0; i < descs->number_of_descriptors(); i++) { 2025a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block PropertyDetails details = PropertyDetails(descs->GetDetails(i)); 2026a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block switch (details.type()) { 2027a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block case FIELD: { 2028a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block HandleScope inner; 2029a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<String> key = Handle<String>(descs->GetKey(i)); 2030a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block int index = descs->GetFieldIndex(i); 2031a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<Object> value = Handle<Object>(from->FastPropertyAt(index)); 20321e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block SetLocalPropertyNoThrow(to, key, value, details.attributes()); 2033a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block break; 2034a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 2035a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block case CONSTANT_FUNCTION: { 2036a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block HandleScope inner; 2037a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<String> key = Handle<String>(descs->GetKey(i)); 2038a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction> fun = 2039a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSFunction>(descs->GetConstantFunction(i)); 20401e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block SetLocalPropertyNoThrow(to, key, fun, details.attributes()); 2041a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block break; 2042a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 2043a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block case CALLBACKS: { 2044a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block LookupResult result; 2045a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block to->LocalLookup(descs->GetKey(i), &result); 2046a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // If the property is already there we skip it 2047402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu if (result.IsProperty()) continue; 2048a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block HandleScope inner; 20493100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu ASSERT(!to->HasFastProperties()); 20503100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // Add to dictionary. 2051a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<String> key = Handle<String>(descs->GetKey(i)); 20523100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<Object> callbacks(descs->GetCallbacksObject(i)); 20533100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu PropertyDetails d = 20543100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu PropertyDetails(details.attributes(), CALLBACKS, details.index()); 20553100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu SetNormalizedProperty(to, key, callbacks, d); 2056a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block break; 2057a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 2058a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block case MAP_TRANSITION: 205944f0eee88ff00398ff7f715fab053374d808c90dSteve Block case EXTERNAL_ARRAY_TRANSITION: 2060a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block case CONSTANT_TRANSITION: 2061a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block case NULL_DESCRIPTOR: 2062a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Ignore non-properties. 2063a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block break; 2064a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block case NORMAL: 2065a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Do not occur since the from object has fast properties. 2066257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch case HANDLER: 2067a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block case INTERCEPTOR: 2068257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch // No element in instance descriptors have proxy or interceptor type. 2069a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block UNREACHABLE(); 2070a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block break; 2071a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 2072a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 2073a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } else { 2074a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<StringDictionary> properties = 2075a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<StringDictionary>(from->property_dictionary()); 2076a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block int capacity = properties->Capacity(); 2077a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block for (int i = 0; i < capacity; i++) { 2078a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Object* raw_key(properties->KeyAt(i)); 2079a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (properties->IsKey(raw_key)) { 2080a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block ASSERT(raw_key->IsString()); 2081a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // If the property is already there we skip it. 2082a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block LookupResult result; 2083a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block to->LocalLookup(String::cast(raw_key), &result); 2084402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu if (result.IsProperty()) continue; 2085a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Set the property. 2086a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<String> key = Handle<String>(String::cast(raw_key)); 2087a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<Object> value = Handle<Object>(properties->ValueAt(i)); 2088a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (value->IsJSGlobalPropertyCell()) { 2089a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block value = Handle<Object>(JSGlobalPropertyCell::cast(*value)->value()); 2090a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 2091a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block PropertyDetails details = properties->DetailsAt(i); 20921e0659c275bb392c045087af4f6b0d7565cb3d77Steve Block SetLocalPropertyNoThrow(to, key, value, details.attributes()); 2093a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 2094a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 2095a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 2096a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 2097a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2098a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2099a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockvoid Genesis::TransferIndexedProperties(Handle<JSObject> from, 2100a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<JSObject> to) { 2101a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Cloning the elements array is sufficient. 2102a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<FixedArray> from_elements = 2103a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<FixedArray>(FixedArray::cast(from->elements())); 210444f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<FixedArray> to_elements = FACTORY->CopyFixedArray(from_elements); 2105a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block to->set_elements(*to_elements); 2106a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 2107a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2108a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2109a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockvoid Genesis::TransferObject(Handle<JSObject> from, Handle<JSObject> to) { 2110a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block HandleScope outer; 2111257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Factory* factory = from->GetIsolate()->factory(); 2112a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2113a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block ASSERT(!from->IsJSArray()); 2114a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block ASSERT(!to->IsJSArray()); 2115a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2116a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block TransferNamedProperties(from, to); 2117a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block TransferIndexedProperties(from, to); 2118a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2119a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Transfer the prototype (new map is needed). 2120a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block Handle<Map> old_to_map = Handle<Map>(to->map()); 2121257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Map> new_to_map = factory->CopyMapDropTransitions(old_to_map); 2122a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block new_to_map->set_prototype(from->map()->prototype()); 2123a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block to->set_map(*new_to_map); 2124a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 2125a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2126a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2127a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockvoid Genesis::MakeFunctionInstancePrototypeWritable() { 212844f0eee88ff00398ff7f715fab053374d808c90dSteve Block // The maps with writable prototype are created in CreateEmptyFunction 212944f0eee88ff00398ff7f715fab053374d808c90dSteve Block // and CreateStrictModeFunctionMaps respectively. Initially the maps are 213044f0eee88ff00398ff7f715fab053374d808c90dSteve Block // created with read-only prototype for JS builtins processing. 213144f0eee88ff00398ff7f715fab053374d808c90dSteve Block ASSERT(!function_instance_map_writable_prototype_.is_null()); 213244f0eee88ff00398ff7f715fab053374d808c90dSteve Block ASSERT(!strict_mode_function_instance_map_writable_prototype_.is_null()); 213344f0eee88ff00398ff7f715fab053374d808c90dSteve Block 213444f0eee88ff00398ff7f715fab053374d808c90dSteve Block // Replace function instance maps to make prototype writable. 213544f0eee88ff00398ff7f715fab053374d808c90dSteve Block global_context()->set_function_map( 213644f0eee88ff00398ff7f715fab053374d808c90dSteve Block *function_instance_map_writable_prototype_); 213744f0eee88ff00398ff7f715fab053374d808c90dSteve Block global_context()->set_strict_mode_function_map( 213844f0eee88ff00398ff7f715fab053374d808c90dSteve Block *strict_mode_function_instance_map_writable_prototype_); 2139a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 2140a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2141a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2142257744e915dfc84d6d07a6b2accf8402d9ffc708Ben MurdochGenesis::Genesis(Isolate* isolate, 2143257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<Object> global_object, 2144a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block v8::Handle<v8::ObjectTemplate> global_template, 2145257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch v8::ExtensionConfiguration* extensions) : isolate_(isolate) { 2146a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block result_ = Handle<Context>::null(); 2147a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // If V8 isn't running and cannot be initialized, just return. 2148a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (!V8::IsRunning() && !V8::Initialize(NULL)) return; 2149a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2150a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Before creating the roots we must save the context and restore it 2151a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // on all function exits. 2152a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block HandleScope scope; 215344f0eee88ff00398ff7f715fab053374d808c90dSteve Block SaveContext saved_context(isolate); 21543100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu 21553100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<Context> new_context = Snapshot::NewContextFromSnapshot(); 21563100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu if (!new_context.is_null()) { 21573100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu global_context_ = 215844f0eee88ff00398ff7f715fab053374d808c90dSteve Block Handle<Context>::cast(isolate->global_handles()->Create(*new_context)); 2159b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch AddToWeakGlobalContextList(*global_context_); 216044f0eee88ff00398ff7f715fab053374d808c90dSteve Block isolate->set_context(*global_context_); 216144f0eee88ff00398ff7f715fab053374d808c90dSteve Block isolate->counters()->contexts_created_by_snapshot()->Increment(); 2162402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu Handle<GlobalObject> inner_global; 21633100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<JSGlobalProxy> global_proxy = 21643100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu CreateNewGlobals(global_template, 21653100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu global_object, 2166402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu &inner_global); 2167402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu 21683100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu HookUpGlobalProxy(inner_global, global_proxy); 2169402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu HookUpInnerGlobal(inner_global); 2170402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu 21713100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu if (!ConfigureGlobalObjects(global_template)) return; 21723100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu } else { 21733100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu // We get here if there was no context snapshot. 21743100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu CreateRoots(); 2175257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch Handle<JSFunction> empty_function = CreateEmptyFunction(isolate); 217644f0eee88ff00398ff7f715fab053374d808c90dSteve Block CreateStrictModeFunctionMaps(empty_function); 21773100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<GlobalObject> inner_global; 21783100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu Handle<JSGlobalProxy> global_proxy = 21793100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu CreateNewGlobals(global_template, global_object, &inner_global); 21803100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu HookUpGlobalProxy(inner_global, global_proxy); 21813100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu InitializeGlobal(inner_global, empty_function); 21826ded16be15dd865a9b21ea304d5273c8be299c87Steve Block InstallJSFunctionResultCaches(); 218380d68eab642096c1a48b6474d6ec33064b0ad1f5Kristian Monsen InitializeNormalizedMapCaches(); 218425f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen if (!InstallNatives()) return; 21853100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu 21863100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu MakeFunctionInstancePrototypeWritable(); 21873100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu 21883100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu if (!ConfigureGlobalObjects(global_template)) return; 218944f0eee88ff00398ff7f715fab053374d808c90dSteve Block isolate->counters()->contexts_created_from_scratch()->Increment(); 21903100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu } 2191a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 219269a99ed0b2b2ef69d393c371b03db3a98aaf880eBen Murdoch // Initialize experimental globals and install experimental natives. 219369a99ed0b2b2ef69d393c371b03db3a98aaf880eBen Murdoch InitializeExperimentalGlobal(); 2194257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch if (!InstallExperimentalNatives()) return; 2195257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch 2196a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block result_ = global_context_; 2197a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 2198a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2199a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2200a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Support for thread preemption. 2201a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2202a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Reserve space for statics needing saving and restoring. 2203a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockint Bootstrapper::ArchiveSpacePerThread() { 220444f0eee88ff00398ff7f715fab053374d808c90dSteve Block return sizeof(NestingCounterType); 2205a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 2206a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2207a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2208a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Archive statics that are thread local. 2209a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockchar* Bootstrapper::ArchiveState(char* to) { 221044f0eee88ff00398ff7f715fab053374d808c90dSteve Block *reinterpret_cast<NestingCounterType*>(to) = nesting_; 221144f0eee88ff00398ff7f715fab053374d808c90dSteve Block nesting_ = 0; 221244f0eee88ff00398ff7f715fab053374d808c90dSteve Block return to + sizeof(NestingCounterType); 2213a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 2214a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2215a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2216a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Restore statics that are thread local. 2217a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockchar* Bootstrapper::RestoreState(char* from) { 221844f0eee88ff00398ff7f715fab053374d808c90dSteve Block nesting_ = *reinterpret_cast<NestingCounterType*>(from); 221944f0eee88ff00398ff7f715fab053374d808c90dSteve Block return from + sizeof(NestingCounterType); 2220a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 2221a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2222a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2223a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Called when the top-level V8 mutex is destroyed. 2224a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockvoid Bootstrapper::FreeThreadResources() { 222544f0eee88ff00398ff7f715fab053374d808c90dSteve Block ASSERT(!IsActive()); 2226a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 2227a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 2228a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} } // namespace v8::internal 2229