12f599e5925b02d78bd78703b44741d6b27e53a44machenbach@chromium.org// Copyright 2014 the V8 project authors. All rights reserved. 22f599e5925b02d78bd78703b44741d6b27e53a44machenbach@chromium.org// Use of this source code is governed by a BSD-style license that can be 32f599e5925b02d78bd78703b44741d6b27e53a44machenbach@chromium.org// found in the LICENSE file. 42f599e5925b02d78bd78703b44741d6b27e53a44machenbach@chromium.org 5196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org#include "src/factory.h" 62f599e5925b02d78bd78703b44741d6b27e53a44machenbach@chromium.org 7f15d0cdbef11a212e108432465f014a7d3c3aa12machenbach@chromium.org#include "src/allocation-site-scopes.h" 821d700eedcdd6570eff22ece724b63a5eefe78cbmachenbach@chromium.org#include "src/base/bits.h" 9196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org#include "src/conversions.h" 10196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org#include "src/isolate-inl.h" 11196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org#include "src/macro-assembler.h" 1243d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 1371affb54842da76b24f0bb3184e9f0960523f89dkasperl@chromium.orgnamespace v8 { 1471affb54842da76b24f0bb3184e9f0960523f89dkasperl@chromium.orgnamespace internal { 1543d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 16e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org 17e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.orgtemplate<typename T> 18e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.orgHandle<T> Factory::New(Handle<Map> map, AllocationSpace space) { 19e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org CALL_HEAP_FUNCTION( 20e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org isolate(), 21e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org isolate()->heap()->Allocate(*map, space), 22e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org T); 23e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org} 24e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org 25e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org 26e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.orgtemplate<typename T> 27e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.orgHandle<T> Factory::New(Handle<Map> map, 28e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org AllocationSpace space, 29e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org Handle<AllocationSite> allocation_site) { 30e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org CALL_HEAP_FUNCTION( 31e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org isolate(), 32e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org isolate()->heap()->Allocate(*map, space, *allocation_site), 33e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org T); 34e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org} 35e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org 36e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org 378496027a525ad457b6d5729faf41f29100a27264machenbach@chromium.orgHandle<HeapObject> Factory::NewFillerObject(int size, 388496027a525ad457b6d5729faf41f29100a27264machenbach@chromium.org bool double_align, 398496027a525ad457b6d5729faf41f29100a27264machenbach@chromium.org AllocationSpace space) { 408496027a525ad457b6d5729faf41f29100a27264machenbach@chromium.org CALL_HEAP_FUNCTION( 418496027a525ad457b6d5729faf41f29100a27264machenbach@chromium.org isolate(), 428496027a525ad457b6d5729faf41f29100a27264machenbach@chromium.org isolate()->heap()->AllocateFillerObject(size, double_align, space), 438496027a525ad457b6d5729faf41f29100a27264machenbach@chromium.org HeapObject); 448496027a525ad457b6d5729faf41f29100a27264machenbach@chromium.org} 458496027a525ad457b6d5729faf41f29100a27264machenbach@chromium.org 468496027a525ad457b6d5729faf41f29100a27264machenbach@chromium.org 479e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.orgHandle<Box> Factory::NewBox(Handle<Object> value) { 489e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org Handle<Box> result = Handle<Box>::cast(NewStruct(BOX_TYPE)); 499e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org result->set_value(*value); 509e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org return result; 511fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org} 521fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org 531fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org 549fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.orgHandle<Oddball> Factory::NewOddball(Handle<Map> map, 559fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org const char* to_string, 569fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org Handle<Object> to_number, 579fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org byte kind) { 589fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org Handle<Oddball> oddball = New<Oddball>(map, OLD_POINTER_SPACE); 599fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org Oddball::Initialize(isolate(), oddball, to_string, to_number, kind); 609fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org return oddball; 619fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org} 629fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org 639fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org 6443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansenHandle<FixedArray> Factory::NewFixedArray(int size, PretenureFlag pretenure) { 65e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(0 <= size); 66ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org CALL_HEAP_FUNCTION( 67ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org isolate(), 68ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org isolate()->heap()->AllocateFixedArray(size, pretenure), 69ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org FixedArray); 7043d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 7143d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 7243d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 73c9c80823e038328f2e1060d7feef0762a50adf06ricow@chromium.orgHandle<FixedArray> Factory::NewFixedArrayWithHoles(int size, 74c9c80823e038328f2e1060d7feef0762a50adf06ricow@chromium.org PretenureFlag pretenure) { 75e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(0 <= size); 76ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org CALL_HEAP_FUNCTION( 77ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org isolate(), 78c2e08d7d6b03e672e13fc3bf274a292009decce6machenbach@chromium.org isolate()->heap()->AllocateFixedArrayWithFiller(size, 79c2e08d7d6b03e672e13fc3bf274a292009decce6machenbach@chromium.org pretenure, 80c2e08d7d6b03e672e13fc3bf274a292009decce6machenbach@chromium.org *the_hole_value()), 81ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org FixedArray); 829bbf968a649030335309265ba2c98fcc36aeb762kasperl@chromium.org} 839bbf968a649030335309265ba2c98fcc36aeb762kasperl@chromium.org 849bbf968a649030335309265ba2c98fcc36aeb762kasperl@chromium.org 857010a2d84de67daace72568ffcde315a3e510ab5machenbach@chromium.orgHandle<FixedArray> Factory::NewUninitializedFixedArray(int size) { 867010a2d84de67daace72568ffcde315a3e510ab5machenbach@chromium.org CALL_HEAP_FUNCTION( 877010a2d84de67daace72568ffcde315a3e510ab5machenbach@chromium.org isolate(), 887010a2d84de67daace72568ffcde315a3e510ab5machenbach@chromium.org isolate()->heap()->AllocateUninitializedFixedArray(size), 897010a2d84de67daace72568ffcde315a3e510ab5machenbach@chromium.org FixedArray); 907010a2d84de67daace72568ffcde315a3e510ab5machenbach@chromium.org} 917010a2d84de67daace72568ffcde315a3e510ab5machenbach@chromium.org 927010a2d84de67daace72568ffcde315a3e510ab5machenbach@chromium.org 93f2f0489407bbb5e50d16ae791442df29513b53b5machenbach@chromium.orgHandle<FixedArrayBase> Factory::NewFixedDoubleArray(int size, 94865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org PretenureFlag pretenure) { 95e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(0 <= size); 966d786c9805481bd13ecb29c3155540f2f32950e1svenpanne@chromium.org CALL_HEAP_FUNCTION( 976d786c9805481bd13ecb29c3155540f2f32950e1svenpanne@chromium.org isolate(), 986d786c9805481bd13ecb29c3155540f2f32950e1svenpanne@chromium.org isolate()->heap()->AllocateUninitializedFixedDoubleArray(size, pretenure), 99f2f0489407bbb5e50d16ae791442df29513b53b5machenbach@chromium.org FixedArrayBase); 1006d786c9805481bd13ecb29c3155540f2f32950e1svenpanne@chromium.org} 1016d786c9805481bd13ecb29c3155540f2f32950e1svenpanne@chromium.org 1026d786c9805481bd13ecb29c3155540f2f32950e1svenpanne@chromium.org 103f2f0489407bbb5e50d16ae791442df29513b53b5machenbach@chromium.orgHandle<FixedArrayBase> Factory::NewFixedDoubleArrayWithHoles( 104c2e08d7d6b03e672e13fc3bf274a292009decce6machenbach@chromium.org int size, 105c2e08d7d6b03e672e13fc3bf274a292009decce6machenbach@chromium.org PretenureFlag pretenure) { 106e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(0 <= size); 107f2f0489407bbb5e50d16ae791442df29513b53b5machenbach@chromium.org Handle<FixedArrayBase> array = NewFixedDoubleArray(size, pretenure); 108f2f0489407bbb5e50d16ae791442df29513b53b5machenbach@chromium.org if (size > 0) { 109f2f0489407bbb5e50d16ae791442df29513b53b5machenbach@chromium.org Handle<FixedDoubleArray> double_array = 110f2f0489407bbb5e50d16ae791442df29513b53b5machenbach@chromium.org Handle<FixedDoubleArray>::cast(array); 111f2f0489407bbb5e50d16ae791442df29513b53b5machenbach@chromium.org for (int i = 0; i < size; ++i) { 112f2f0489407bbb5e50d16ae791442df29513b53b5machenbach@chromium.org double_array->set_the_hole(i); 113f2f0489407bbb5e50d16ae791442df29513b53b5machenbach@chromium.org } 114c2e08d7d6b03e672e13fc3bf274a292009decce6machenbach@chromium.org } 115c2e08d7d6b03e672e13fc3bf274a292009decce6machenbach@chromium.org return array; 116c2e08d7d6b03e672e13fc3bf274a292009decce6machenbach@chromium.org} 117c2e08d7d6b03e672e13fc3bf274a292009decce6machenbach@chromium.org 118c2e08d7d6b03e672e13fc3bf274a292009decce6machenbach@chromium.org 119a2e1a40f85577979749d4c0d6de30e992d996659mstarzinger@chromium.orgHandle<ConstantPoolArray> Factory::NewConstantPoolArray( 120196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org const ConstantPoolArray::NumberOfEntries& small) { 121e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(small.total_count() > 0); 122a2e1a40f85577979749d4c0d6de30e992d996659mstarzinger@chromium.org CALL_HEAP_FUNCTION( 123a2e1a40f85577979749d4c0d6de30e992d996659mstarzinger@chromium.org isolate(), 124196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org isolate()->heap()->AllocateConstantPoolArray(small), 125196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org ConstantPoolArray); 126196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org} 127196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org 128196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org 129196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.orgHandle<ConstantPoolArray> Factory::NewExtendedConstantPoolArray( 130196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org const ConstantPoolArray::NumberOfEntries& small, 131196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org const ConstantPoolArray::NumberOfEntries& extended) { 132e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(small.total_count() > 0); 133e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(extended.total_count() > 0); 134196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org CALL_HEAP_FUNCTION( 135196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org isolate(), 136196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org isolate()->heap()->AllocateExtendedConstantPoolArray(small, extended), 137a2e1a40f85577979749d4c0d6de30e992d996659mstarzinger@chromium.org ConstantPoolArray); 138a2e1a40f85577979749d4c0d6de30e992d996659mstarzinger@chromium.org} 139a2e1a40f85577979749d4c0d6de30e992d996659mstarzinger@chromium.org 140a2e1a40f85577979749d4c0d6de30e992d996659mstarzinger@chromium.org 1418f8fe81d7a9cced7a0d30e56124c0428d1a6d229machenbach@chromium.orgHandle<OrderedHashSet> Factory::NewOrderedHashSet() { 1428f8fe81d7a9cced7a0d30e56124c0428d1a6d229machenbach@chromium.org return OrderedHashSet::Allocate(isolate(), 4); 1438f8fe81d7a9cced7a0d30e56124c0428d1a6d229machenbach@chromium.org} 1448f8fe81d7a9cced7a0d30e56124c0428d1a6d229machenbach@chromium.org 1458f8fe81d7a9cced7a0d30e56124c0428d1a6d229machenbach@chromium.org 1468f8fe81d7a9cced7a0d30e56124c0428d1a6d229machenbach@chromium.orgHandle<OrderedHashMap> Factory::NewOrderedHashMap() { 1478f8fe81d7a9cced7a0d30e56124c0428d1a6d229machenbach@chromium.org return OrderedHashMap::Allocate(isolate(), 4); 1488f8fe81d7a9cced7a0d30e56124c0428d1a6d229machenbach@chromium.org} 1498f8fe81d7a9cced7a0d30e56124c0428d1a6d229machenbach@chromium.org 1508f8fe81d7a9cced7a0d30e56124c0428d1a6d229machenbach@chromium.org 151f2038fb01417bcf7698b87a5dfaa4a861539618aerik.corry@gmail.comHandle<AccessorPair> Factory::NewAccessorPair() { 1529e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org Handle<AccessorPair> accessors = 1539e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org Handle<AccessorPair>::cast(NewStruct(ACCESSOR_PAIR_TYPE)); 1549e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org accessors->set_getter(*the_hole_value(), SKIP_WRITE_BARRIER); 1559e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org accessors->set_setter(*the_hole_value(), SKIP_WRITE_BARRIER); 1569e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org return accessors; 157f2038fb01417bcf7698b87a5dfaa4a861539618aerik.corry@gmail.com} 158f2038fb01417bcf7698b87a5dfaa4a861539618aerik.corry@gmail.com 159f2038fb01417bcf7698b87a5dfaa4a861539618aerik.corry@gmail.com 160f7a588466d1e61e14fec951e5f10c7cec501b3b4jkummerow@chromium.orgHandle<TypeFeedbackInfo> Factory::NewTypeFeedbackInfo() { 1619e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org Handle<TypeFeedbackInfo> info = 1629e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org Handle<TypeFeedbackInfo>::cast(NewStruct(TYPE_FEEDBACK_INFO_TYPE)); 1639e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org info->initialize_storage(); 1649e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org return info; 165f7a588466d1e61e14fec951e5f10c7cec501b3b4jkummerow@chromium.org} 166f7a588466d1e61e14fec951e5f10c7cec501b3b4jkummerow@chromium.org 167f7a588466d1e61e14fec951e5f10c7cec501b3b4jkummerow@chromium.org 1684a9f6553038df6b893b3d3ccae351723f4cbbae7yangguo@chromium.org// Internalized strings are created in the old generation (data space). 1694a9f6553038df6b893b3d3ccae351723f4cbbae7yangguo@chromium.orgHandle<String> Factory::InternalizeUtf8String(Vector<const char> string) { 17043c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org Utf8StringKey key(string, isolate()->heap()->HashSeed()); 17143c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org return InternalizeStringWithKey(&key); 17243d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 17343d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 174e0e1b0d3e70c933d36ed381d511e9fda39f2a751mstarzinger@chromium.org 1754a9f6553038df6b893b3d3ccae351723f4cbbae7yangguo@chromium.org// Internalized strings are created in the old generation (data space). 1764a9f6553038df6b893b3d3ccae351723f4cbbae7yangguo@chromium.orgHandle<String> Factory::InternalizeString(Handle<String> string) { 177b67f96038c787a6bd6a835e6c436c82e1b245486machenbach@chromium.org if (string->IsInternalizedString()) return string; 178b67f96038c787a6bd6a835e6c436c82e1b245486machenbach@chromium.org return StringTable::LookupString(isolate(), string); 17940cb878ef373bea9bdf7998829891e4096751dd0danno@chromium.org} 18040cb878ef373bea9bdf7998829891e4096751dd0danno@chromium.org 181e0e1b0d3e70c933d36ed381d511e9fda39f2a751mstarzinger@chromium.org 1824a9f6553038df6b893b3d3ccae351723f4cbbae7yangguo@chromium.orgHandle<String> Factory::InternalizeOneByteString(Vector<const uint8_t> string) { 18343c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org OneByteStringKey key(string, isolate()->heap()->HashSeed()); 18443c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org return InternalizeStringWithKey(&key); 1859e3e0b618a14a05efd7d66f20bac4423dd3a1a2ffschneider@chromium.org} 1869e3e0b618a14a05efd7d66f20bac4423dd3a1a2ffschneider@chromium.org 18740cb878ef373bea9bdf7998829891e4096751dd0danno@chromium.org 1884a9f6553038df6b893b3d3ccae351723f4cbbae7yangguo@chromium.orgHandle<String> Factory::InternalizeOneByteString( 1894a9f6553038df6b893b3d3ccae351723f4cbbae7yangguo@chromium.org Handle<SeqOneByteString> string, int from, int length) { 1905e57059e20217fd540b60c237d326414afe2171emachenbach@chromium.org SeqOneByteSubStringKey key(string, from, length); 19143c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org return InternalizeStringWithKey(&key); 19240cb878ef373bea9bdf7998829891e4096751dd0danno@chromium.org} 19340cb878ef373bea9bdf7998829891e4096751dd0danno@chromium.org 19440cb878ef373bea9bdf7998829891e4096751dd0danno@chromium.org 1954a9f6553038df6b893b3d3ccae351723f4cbbae7yangguo@chromium.orgHandle<String> Factory::InternalizeTwoByteString(Vector<const uc16> string) { 19643c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org TwoByteStringKey key(string, isolate()->heap()->HashSeed()); 19743c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org return InternalizeStringWithKey(&key); 19843c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org} 19943c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org 20043c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org 20143c51e51fafad9405752a3d7e953367531469575machenbach@chromium.orgtemplate<class StringTableKey> 20243c51e51fafad9405752a3d7e953367531469575machenbach@chromium.orgHandle<String> Factory::InternalizeStringWithKey(StringTableKey* key) { 203b67f96038c787a6bd6a835e6c436c82e1b245486machenbach@chromium.org return StringTable::LookupKey(isolate(), key); 2049e3e0b618a14a05efd7d66f20bac4423dd3a1a2ffschneider@chromium.org} 2059e3e0b618a14a05efd7d66f20bac4423dd3a1a2ffschneider@chromium.org 20643d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 2078496027a525ad457b6d5729faf41f29100a27264machenbach@chromium.orgMaybeHandle<String> Factory::NewStringFromOneByte(Vector<const uint8_t> string, 2088496027a525ad457b6d5729faf41f29100a27264machenbach@chromium.org PretenureFlag pretenure) { 2098496027a525ad457b6d5729faf41f29100a27264machenbach@chromium.org int length = string.length(); 2103ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org if (length == 1) return LookupSingleCharacterStringFromCode(string[0]); 2118496027a525ad457b6d5729faf41f29100a27264machenbach@chromium.org Handle<SeqOneByteString> result; 2128496027a525ad457b6d5729faf41f29100a27264machenbach@chromium.org ASSIGN_RETURN_ON_EXCEPTION( 213ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org isolate(), 2148496027a525ad457b6d5729faf41f29100a27264machenbach@chromium.org result, 2158496027a525ad457b6d5729faf41f29100a27264machenbach@chromium.org NewRawOneByteString(string.length(), pretenure), 216ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org String); 2178496027a525ad457b6d5729faf41f29100a27264machenbach@chromium.org 2188496027a525ad457b6d5729faf41f29100a27264machenbach@chromium.org DisallowHeapAllocation no_gc; 2198496027a525ad457b6d5729faf41f29100a27264machenbach@chromium.org // Copy the characters into the new object. 2208496027a525ad457b6d5729faf41f29100a27264machenbach@chromium.org CopyChars(SeqOneByteString::cast(*result)->GetChars(), 2218496027a525ad457b6d5729faf41f29100a27264machenbach@chromium.org string.start(), 2228496027a525ad457b6d5729faf41f29100a27264machenbach@chromium.org length); 2238496027a525ad457b6d5729faf41f29100a27264machenbach@chromium.org return result; 22443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 22543d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 2268496027a525ad457b6d5729faf41f29100a27264machenbach@chromium.orgMaybeHandle<String> Factory::NewStringFromUtf8(Vector<const char> string, 2278496027a525ad457b6d5729faf41f29100a27264machenbach@chromium.org PretenureFlag pretenure) { 2289fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org // Check for ASCII first since this is the common case. 2299fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org const char* start = string.start(); 2309fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org int length = string.length(); 2319fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org int non_ascii_start = String::NonAsciiStart(start, length); 2329fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org if (non_ascii_start >= length) { 2339fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org // If the string is ASCII, we do not need to convert the characters 2349fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org // since UTF8 is backwards compatible with ASCII. 2359fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org return NewStringFromOneByte(Vector<const uint8_t>::cast(string), pretenure); 2369fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org } 2373ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org 2389fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org // Non-ASCII and we need to decode. 2393ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org Access<UnicodeCache::Utf8Decoder> 2403ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org decoder(isolate()->unicode_cache()->utf8_decoder()); 2413ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org decoder->Reset(string.start() + non_ascii_start, 2423ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org length - non_ascii_start); 2433ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org int utf16_length = decoder->Utf16Length(); 244e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(utf16_length > 0); 2453ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org // Allocate string. 2463ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org Handle<SeqTwoByteString> result; 2473ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org ASSIGN_RETURN_ON_EXCEPTION( 2483ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org isolate(), result, 2493ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org NewRawTwoByteString(non_ascii_start + utf16_length, pretenure), 250ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org String); 2512c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.org // Copy ASCII portion. 2523ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org uint16_t* data = result->GetChars(); 2533ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org const char* ascii_data = string.start(); 2543ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org for (int i = 0; i < non_ascii_start; i++) { 2553ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org *data++ = *ascii_data++; 2563ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org } 2573ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org // Now write the remainder. 2583ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org decoder->WriteUtf16(data, utf16_length); 2593ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org return result; 26043d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 26143d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 26243d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 2638496027a525ad457b6d5729faf41f29100a27264machenbach@chromium.orgMaybeHandle<String> Factory::NewStringFromTwoByte(Vector<const uc16> string, 2648496027a525ad457b6d5729faf41f29100a27264machenbach@chromium.org PretenureFlag pretenure) { 2653ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org int length = string.length(); 2663ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org const uc16* start = string.start(); 2673ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org if (String::IsOneByte(start, length)) { 26831c0e32e19ad3df48525fa9e7b2d1c0c07496d00machenbach@chromium.org if (length == 1) return LookupSingleCharacterStringFromCode(string[0]); 2693ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org Handle<SeqOneByteString> result; 2703ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org ASSIGN_RETURN_ON_EXCEPTION( 2713ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org isolate(), 2723ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org result, 2733ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org NewRawOneByteString(length, pretenure), 2743ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org String); 2753ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org CopyChars(result->GetChars(), start, length); 2763ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org return result; 2773ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org } else { 2783ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org Handle<SeqTwoByteString> result; 2793ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org ASSIGN_RETURN_ON_EXCEPTION( 2803ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org isolate(), 2813ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org result, 2823ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org NewRawTwoByteString(length, pretenure), 2833ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org String); 2843ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org CopyChars(result->GetChars(), start, length); 2853ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org return result; 2863ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org } 28743d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 28843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 28943d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 290865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.orgHandle<String> Factory::NewInternalizedStringFromUtf8(Vector<const char> str, 291865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org int chars, 292865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org uint32_t hash_field) { 293865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org CALL_HEAP_FUNCTION( 294865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org isolate(), 295865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org isolate()->heap()->AllocateInternalizedStringFromUtf8( 296865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org str, chars, hash_field), 297865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org String); 298865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org} 299865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org 300865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org 301865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.orgMUST_USE_RESULT Handle<String> Factory::NewOneByteInternalizedString( 302865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org Vector<const uint8_t> str, 303865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org uint32_t hash_field) { 304865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org CALL_HEAP_FUNCTION( 305865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org isolate(), 306865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org isolate()->heap()->AllocateOneByteInternalizedString(str, hash_field), 307865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org String); 308865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org} 309865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org 310865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org 3115e57059e20217fd540b60c237d326414afe2171emachenbach@chromium.orgMUST_USE_RESULT Handle<String> Factory::NewOneByteInternalizedSubString( 3125e57059e20217fd540b60c237d326414afe2171emachenbach@chromium.org Handle<SeqOneByteString> string, int offset, int length, 3135e57059e20217fd540b60c237d326414afe2171emachenbach@chromium.org uint32_t hash_field) { 3145e57059e20217fd540b60c237d326414afe2171emachenbach@chromium.org CALL_HEAP_FUNCTION( 3155e57059e20217fd540b60c237d326414afe2171emachenbach@chromium.org isolate(), isolate()->heap()->AllocateOneByteInternalizedString( 3165e57059e20217fd540b60c237d326414afe2171emachenbach@chromium.org Vector<const uint8_t>(string->GetChars() + offset, length), 3175e57059e20217fd540b60c237d326414afe2171emachenbach@chromium.org hash_field), 3185e57059e20217fd540b60c237d326414afe2171emachenbach@chromium.org String); 3195e57059e20217fd540b60c237d326414afe2171emachenbach@chromium.org} 3205e57059e20217fd540b60c237d326414afe2171emachenbach@chromium.org 3215e57059e20217fd540b60c237d326414afe2171emachenbach@chromium.org 322865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.orgMUST_USE_RESULT Handle<String> Factory::NewTwoByteInternalizedString( 323865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org Vector<const uc16> str, 324865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org uint32_t hash_field) { 325865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org CALL_HEAP_FUNCTION( 326865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org isolate(), 327865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org isolate()->heap()->AllocateTwoByteInternalizedString(str, hash_field), 328865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org String); 329865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org} 330865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org 331865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org 332865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.orgHandle<String> Factory::NewInternalizedStringImpl( 333865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org Handle<String> string, int chars, uint32_t hash_field) { 334865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org CALL_HEAP_FUNCTION( 335865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org isolate(), 336865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org isolate()->heap()->AllocateInternalizedStringImpl( 337865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org *string, chars, hash_field), 338865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org String); 339865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org} 340865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org 341865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org 342865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.orgMaybeHandle<Map> Factory::InternalizedStringMapForString( 343865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org Handle<String> string) { 344865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org // If the string is in new space it cannot be used as internalized. 345865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org if (isolate()->heap()->InNewSpace(*string)) return MaybeHandle<Map>(); 346865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org 347865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org // Find the corresponding internalized string map for strings. 348865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org switch (string->map()->instance_type()) { 349865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org case STRING_TYPE: return internalized_string_map(); 3502c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.org case ONE_BYTE_STRING_TYPE: 3512c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.org return one_byte_internalized_string_map(); 352865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org case EXTERNAL_STRING_TYPE: return external_internalized_string_map(); 3532c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.org case EXTERNAL_ONE_BYTE_STRING_TYPE: 3542c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.org return external_one_byte_internalized_string_map(); 355865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org case EXTERNAL_STRING_WITH_ONE_BYTE_DATA_TYPE: 356865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org return external_internalized_string_with_one_byte_data_map(); 357865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org case SHORT_EXTERNAL_STRING_TYPE: 358865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org return short_external_internalized_string_map(); 3592c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.org case SHORT_EXTERNAL_ONE_BYTE_STRING_TYPE: 3602c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.org return short_external_one_byte_internalized_string_map(); 361865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org case SHORT_EXTERNAL_STRING_WITH_ONE_BYTE_DATA_TYPE: 362865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org return short_external_internalized_string_with_one_byte_data_map(); 363865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org default: return MaybeHandle<Map>(); // No match found. 364865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org } 365865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org} 366865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org 367865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org 368255043f8054e713a64509c707cfabadd42344683machenbach@chromium.orgMaybeHandle<SeqOneByteString> Factory::NewRawOneByteString( 369255043f8054e713a64509c707cfabadd42344683machenbach@chromium.org int length, PretenureFlag pretenure) { 3703ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org if (length > String::kMaxLength || length < 0) { 371ada3a6017e603965f87fa34f6e2fa60379e8d697machenbach@chromium.org THROW_NEW_ERROR(isolate(), NewInvalidStringLengthError(), SeqOneByteString); 3723ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org } 373ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org CALL_HEAP_FUNCTION( 374ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org isolate(), 3758e8d8825f97138de12985f8e0d3163074dff5258ulan@chromium.org isolate()->heap()->AllocateRawOneByteString(length, pretenure), 376fb37721ea34922d8758d5cb26ae465aaf241e6b6yangguo@chromium.org SeqOneByteString); 3774a2e25edf994c4e3ff22fea6d432839192666139erik.corry@gmail.com} 3784a2e25edf994c4e3ff22fea6d432839192666139erik.corry@gmail.com 3794a2e25edf994c4e3ff22fea6d432839192666139erik.corry@gmail.com 380255043f8054e713a64509c707cfabadd42344683machenbach@chromium.orgMaybeHandle<SeqTwoByteString> Factory::NewRawTwoByteString( 381255043f8054e713a64509c707cfabadd42344683machenbach@chromium.org int length, PretenureFlag pretenure) { 3823ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org if (length > String::kMaxLength || length < 0) { 383ada3a6017e603965f87fa34f6e2fa60379e8d697machenbach@chromium.org THROW_NEW_ERROR(isolate(), NewInvalidStringLengthError(), SeqTwoByteString); 3843ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org } 385ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org CALL_HEAP_FUNCTION( 386ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org isolate(), 387ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org isolate()->heap()->AllocateRawTwoByteString(length, pretenure), 38804921a8093ce8bbec34084bd742b7aa3d299be15ager@chromium.org SeqTwoByteString); 38943d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 39043d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 39143d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 392b67f96038c787a6bd6a835e6c436c82e1b245486machenbach@chromium.orgHandle<String> Factory::LookupSingleCharacterStringFromCode(uint32_t code) { 393b67f96038c787a6bd6a835e6c436c82e1b245486machenbach@chromium.org if (code <= String::kMaxOneByteCharCodeU) { 394b67f96038c787a6bd6a835e6c436c82e1b245486machenbach@chromium.org { 395b67f96038c787a6bd6a835e6c436c82e1b245486machenbach@chromium.org DisallowHeapAllocation no_allocation; 396b67f96038c787a6bd6a835e6c436c82e1b245486machenbach@chromium.org Object* value = single_character_string_cache()->get(code); 397b67f96038c787a6bd6a835e6c436c82e1b245486machenbach@chromium.org if (value != *undefined_value()) { 398b67f96038c787a6bd6a835e6c436c82e1b245486machenbach@chromium.org return handle(String::cast(value), isolate()); 399b67f96038c787a6bd6a835e6c436c82e1b245486machenbach@chromium.org } 400b67f96038c787a6bd6a835e6c436c82e1b245486machenbach@chromium.org } 401b67f96038c787a6bd6a835e6c436c82e1b245486machenbach@chromium.org uint8_t buffer[1]; 402b67f96038c787a6bd6a835e6c436c82e1b245486machenbach@chromium.org buffer[0] = static_cast<uint8_t>(code); 403b67f96038c787a6bd6a835e6c436c82e1b245486machenbach@chromium.org Handle<String> result = 404b67f96038c787a6bd6a835e6c436c82e1b245486machenbach@chromium.org InternalizeOneByteString(Vector<const uint8_t>(buffer, 1)); 405b67f96038c787a6bd6a835e6c436c82e1b245486machenbach@chromium.org single_character_string_cache()->set(code, *result); 406b67f96038c787a6bd6a835e6c436c82e1b245486machenbach@chromium.org return result; 407b67f96038c787a6bd6a835e6c436c82e1b245486machenbach@chromium.org } 408e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(code <= String::kMaxUtf16CodeUnitU); 409b67f96038c787a6bd6a835e6c436c82e1b245486machenbach@chromium.org 410b67f96038c787a6bd6a835e6c436c82e1b245486machenbach@chromium.org Handle<SeqTwoByteString> result = NewRawTwoByteString(1).ToHandleChecked(); 411b67f96038c787a6bd6a835e6c436c82e1b245486machenbach@chromium.org result->SeqTwoByteStringSet(0, static_cast<uint16_t>(code)); 412b67f96038c787a6bd6a835e6c436c82e1b245486machenbach@chromium.org return result; 4139e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org} 4149e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org 4159e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org 4164954674151afa960af66efb4831df06bde727333yangguo@chromium.org// Returns true for a character in a range. Both limits are inclusive. 4174954674151afa960af66efb4831df06bde727333yangguo@chromium.orgstatic inline bool Between(uint32_t character, uint32_t from, uint32_t to) { 4184954674151afa960af66efb4831df06bde727333yangguo@chromium.org // This makes uses of the the unsigned wraparound. 4194954674151afa960af66efb4831df06bde727333yangguo@chromium.org return character - from <= to - from; 4204954674151afa960af66efb4831df06bde727333yangguo@chromium.org} 4214954674151afa960af66efb4831df06bde727333yangguo@chromium.org 4224954674151afa960af66efb4831df06bde727333yangguo@chromium.org 4234954674151afa960af66efb4831df06bde727333yangguo@chromium.orgstatic inline Handle<String> MakeOrFindTwoCharacterString(Isolate* isolate, 4244954674151afa960af66efb4831df06bde727333yangguo@chromium.org uint16_t c1, 4254954674151afa960af66efb4831df06bde727333yangguo@chromium.org uint16_t c2) { 4264954674151afa960af66efb4831df06bde727333yangguo@chromium.org // Numeric strings have a different hash algorithm not known by 4274954674151afa960af66efb4831df06bde727333yangguo@chromium.org // LookupTwoCharsStringIfExists, so we skip this step for such strings. 4284954674151afa960af66efb4831df06bde727333yangguo@chromium.org if (!Between(c1, '0', '9') || !Between(c2, '0', '9')) { 429a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org Handle<String> result; 430a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org if (StringTable::LookupTwoCharsStringIfExists(isolate, c1, c2). 431a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org ToHandle(&result)) { 432a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org return result; 4334954674151afa960af66efb4831df06bde727333yangguo@chromium.org } 4344954674151afa960af66efb4831df06bde727333yangguo@chromium.org } 4354954674151afa960af66efb4831df06bde727333yangguo@chromium.org 4364954674151afa960af66efb4831df06bde727333yangguo@chromium.org // Now we know the length is 2, we might as well make use of that fact 4374954674151afa960af66efb4831df06bde727333yangguo@chromium.org // when building the new string. 4384954674151afa960af66efb4831df06bde727333yangguo@chromium.org if (static_cast<unsigned>(c1 | c2) <= String::kMaxOneByteCharCodeU) { 4394954674151afa960af66efb4831df06bde727333yangguo@chromium.org // We can do this. 44021d700eedcdd6570eff22ece724b63a5eefe78cbmachenbach@chromium.org DCHECK(base::bits::IsPowerOfTwo32(String::kMaxOneByteCharCodeU + 44121d700eedcdd6570eff22ece724b63a5eefe78cbmachenbach@chromium.org 1)); // because of this. 442255043f8054e713a64509c707cfabadd42344683machenbach@chromium.org Handle<SeqOneByteString> str = 443255043f8054e713a64509c707cfabadd42344683machenbach@chromium.org isolate->factory()->NewRawOneByteString(2).ToHandleChecked(); 4444954674151afa960af66efb4831df06bde727333yangguo@chromium.org uint8_t* dest = str->GetChars(); 4454954674151afa960af66efb4831df06bde727333yangguo@chromium.org dest[0] = static_cast<uint8_t>(c1); 4464954674151afa960af66efb4831df06bde727333yangguo@chromium.org dest[1] = static_cast<uint8_t>(c2); 4474954674151afa960af66efb4831df06bde727333yangguo@chromium.org return str; 4484954674151afa960af66efb4831df06bde727333yangguo@chromium.org } else { 449255043f8054e713a64509c707cfabadd42344683machenbach@chromium.org Handle<SeqTwoByteString> str = 450255043f8054e713a64509c707cfabadd42344683machenbach@chromium.org isolate->factory()->NewRawTwoByteString(2).ToHandleChecked(); 4514954674151afa960af66efb4831df06bde727333yangguo@chromium.org uc16* dest = str->GetChars(); 4524954674151afa960af66efb4831df06bde727333yangguo@chromium.org dest[0] = c1; 4534954674151afa960af66efb4831df06bde727333yangguo@chromium.org dest[1] = c2; 4544954674151afa960af66efb4831df06bde727333yangguo@chromium.org return str; 4554954674151afa960af66efb4831df06bde727333yangguo@chromium.org } 45643d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 45743d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 45843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 4591510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgtemplate<typename SinkChar, typename StringType> 4601510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgHandle<String> ConcatStringContent(Handle<StringType> result, 4611510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org Handle<String> first, 4621510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org Handle<String> second) { 4631510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org DisallowHeapAllocation pointer_stays_valid; 4641510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org SinkChar* sink = result->GetChars(); 4651510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org String::WriteToFlat(*first, sink, 0, first->length()); 4661510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org String::WriteToFlat(*second, sink + first->length(), 0, second->length()); 4671510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org return result; 4681510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org} 4691510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org 4701510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org 471255043f8054e713a64509c707cfabadd42344683machenbach@chromium.orgMaybeHandle<String> Factory::NewConsString(Handle<String> left, 472255043f8054e713a64509c707cfabadd42344683machenbach@chromium.org Handle<String> right) { 4734954674151afa960af66efb4831df06bde727333yangguo@chromium.org int left_length = left->length(); 4744954674151afa960af66efb4831df06bde727333yangguo@chromium.org if (left_length == 0) return right; 4754954674151afa960af66efb4831df06bde727333yangguo@chromium.org int right_length = right->length(); 4764954674151afa960af66efb4831df06bde727333yangguo@chromium.org if (right_length == 0) return left; 4774954674151afa960af66efb4831df06bde727333yangguo@chromium.org 4784954674151afa960af66efb4831df06bde727333yangguo@chromium.org int length = left_length + right_length; 4794954674151afa960af66efb4831df06bde727333yangguo@chromium.org 4804954674151afa960af66efb4831df06bde727333yangguo@chromium.org if (length == 2) { 4814954674151afa960af66efb4831df06bde727333yangguo@chromium.org uint16_t c1 = left->Get(0); 4824954674151afa960af66efb4831df06bde727333yangguo@chromium.org uint16_t c2 = right->Get(0); 4834954674151afa960af66efb4831df06bde727333yangguo@chromium.org return MakeOrFindTwoCharacterString(isolate(), c1, c2); 4844954674151afa960af66efb4831df06bde727333yangguo@chromium.org } 4854954674151afa960af66efb4831df06bde727333yangguo@chromium.org 4864954674151afa960af66efb4831df06bde727333yangguo@chromium.org // Make sure that an out of memory exception is thrown if the length 4874954674151afa960af66efb4831df06bde727333yangguo@chromium.org // of the new cons string is too large. 4884954674151afa960af66efb4831df06bde727333yangguo@chromium.org if (length > String::kMaxLength || length < 0) { 489ada3a6017e603965f87fa34f6e2fa60379e8d697machenbach@chromium.org THROW_NEW_ERROR(isolate(), NewInvalidStringLengthError(), String); 4904954674151afa960af66efb4831df06bde727333yangguo@chromium.org } 4914954674151afa960af66efb4831df06bde727333yangguo@chromium.org 4924954674151afa960af66efb4831df06bde727333yangguo@chromium.org bool left_is_one_byte = left->IsOneByteRepresentation(); 4934954674151afa960af66efb4831df06bde727333yangguo@chromium.org bool right_is_one_byte = right->IsOneByteRepresentation(); 4944954674151afa960af66efb4831df06bde727333yangguo@chromium.org bool is_one_byte = left_is_one_byte && right_is_one_byte; 4954954674151afa960af66efb4831df06bde727333yangguo@chromium.org bool is_one_byte_data_in_two_byte_string = false; 4964954674151afa960af66efb4831df06bde727333yangguo@chromium.org if (!is_one_byte) { 4974954674151afa960af66efb4831df06bde727333yangguo@chromium.org // At least one of the strings uses two-byte representation so we 4982c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.org // can't use the fast case code for short one-byte strings below, but 4992c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.org // we can try to save memory if all chars actually fit in one-byte. 5004954674151afa960af66efb4831df06bde727333yangguo@chromium.org is_one_byte_data_in_two_byte_string = 5014954674151afa960af66efb4831df06bde727333yangguo@chromium.org left->HasOnlyOneByteChars() && right->HasOnlyOneByteChars(); 5024954674151afa960af66efb4831df06bde727333yangguo@chromium.org if (is_one_byte_data_in_two_byte_string) { 5032c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.org isolate()->counters()->string_add_runtime_ext_to_one_byte()->Increment(); 5044954674151afa960af66efb4831df06bde727333yangguo@chromium.org } 5054954674151afa960af66efb4831df06bde727333yangguo@chromium.org } 5064954674151afa960af66efb4831df06bde727333yangguo@chromium.org 5074954674151afa960af66efb4831df06bde727333yangguo@chromium.org // If the resulting string is small make a flat string. 5084954674151afa960af66efb4831df06bde727333yangguo@chromium.org if (length < ConsString::kMinLength) { 5094954674151afa960af66efb4831df06bde727333yangguo@chromium.org // Note that neither of the two inputs can be a slice because: 5104954674151afa960af66efb4831df06bde727333yangguo@chromium.org STATIC_ASSERT(ConsString::kMinLength <= SlicedString::kMinLength); 511e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(left->IsFlat()); 512e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(right->IsFlat()); 5134954674151afa960af66efb4831df06bde727333yangguo@chromium.org 514b5ed9300c59e8590c9dc588727b6564c244b0f5cmachenbach@chromium.org STATIC_ASSERT(ConsString::kMinLength <= String::kMaxLength); 5154954674151afa960af66efb4831df06bde727333yangguo@chromium.org if (is_one_byte) { 516255043f8054e713a64509c707cfabadd42344683machenbach@chromium.org Handle<SeqOneByteString> result = 517255043f8054e713a64509c707cfabadd42344683machenbach@chromium.org NewRawOneByteString(length).ToHandleChecked(); 5184954674151afa960af66efb4831df06bde727333yangguo@chromium.org DisallowHeapAllocation no_gc; 5194954674151afa960af66efb4831df06bde727333yangguo@chromium.org uint8_t* dest = result->GetChars(); 5204954674151afa960af66efb4831df06bde727333yangguo@chromium.org // Copy left part. 5212c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.org const uint8_t* src = 5222c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.org left->IsExternalString() 5232c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.org ? Handle<ExternalOneByteString>::cast(left)->GetChars() 5242c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.org : Handle<SeqOneByteString>::cast(left)->GetChars(); 5254954674151afa960af66efb4831df06bde727333yangguo@chromium.org for (int i = 0; i < left_length; i++) *dest++ = src[i]; 5264954674151afa960af66efb4831df06bde727333yangguo@chromium.org // Copy right part. 5274954674151afa960af66efb4831df06bde727333yangguo@chromium.org src = right->IsExternalString() 5282c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.org ? Handle<ExternalOneByteString>::cast(right)->GetChars() 5292c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.org : Handle<SeqOneByteString>::cast(right)->GetChars(); 5304954674151afa960af66efb4831df06bde727333yangguo@chromium.org for (int i = 0; i < right_length; i++) *dest++ = src[i]; 5314954674151afa960af66efb4831df06bde727333yangguo@chromium.org return result; 5324954674151afa960af66efb4831df06bde727333yangguo@chromium.org } 5334954674151afa960af66efb4831df06bde727333yangguo@chromium.org 5344954674151afa960af66efb4831df06bde727333yangguo@chromium.org return (is_one_byte_data_in_two_byte_string) 535255043f8054e713a64509c707cfabadd42344683machenbach@chromium.org ? ConcatStringContent<uint8_t>( 536255043f8054e713a64509c707cfabadd42344683machenbach@chromium.org NewRawOneByteString(length).ToHandleChecked(), left, right) 537255043f8054e713a64509c707cfabadd42344683machenbach@chromium.org : ConcatStringContent<uc16>( 538255043f8054e713a64509c707cfabadd42344683machenbach@chromium.org NewRawTwoByteString(length).ToHandleChecked(), left, right); 5394954674151afa960af66efb4831df06bde727333yangguo@chromium.org } 5404954674151afa960af66efb4831df06bde727333yangguo@chromium.org 5413484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org Handle<Map> map = (is_one_byte || is_one_byte_data_in_two_byte_string) 5422c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.org ? cons_one_byte_string_map() 5432c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.org : cons_string_map(); 5443484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org Handle<ConsString> result = New<ConsString>(map, NEW_SPACE); 5454954674151afa960af66efb4831df06bde727333yangguo@chromium.org 5464954674151afa960af66efb4831df06bde727333yangguo@chromium.org DisallowHeapAllocation no_gc; 5474954674151afa960af66efb4831df06bde727333yangguo@chromium.org WriteBarrierMode mode = result->GetWriteBarrierMode(no_gc); 5484954674151afa960af66efb4831df06bde727333yangguo@chromium.org 5494954674151afa960af66efb4831df06bde727333yangguo@chromium.org result->set_hash_field(String::kEmptyHashField); 5504954674151afa960af66efb4831df06bde727333yangguo@chromium.org result->set_length(length); 5514954674151afa960af66efb4831df06bde727333yangguo@chromium.org result->set_first(*left, mode); 5524954674151afa960af66efb4831df06bde727333yangguo@chromium.org result->set_second(*right, mode); 5534954674151afa960af66efb4831df06bde727333yangguo@chromium.org return result; 5544954674151afa960af66efb4831df06bde727333yangguo@chromium.org} 5554954674151afa960af66efb4831df06bde727333yangguo@chromium.org 5564954674151afa960af66efb4831df06bde727333yangguo@chromium.org 55704921a8093ce8bbec34084bd742b7aa3d299be15ager@chromium.orgHandle<String> Factory::NewProperSubString(Handle<String> str, 55804921a8093ce8bbec34084bd742b7aa3d299be15ager@chromium.org int begin, 55904921a8093ce8bbec34084bd742b7aa3d299be15ager@chromium.org int end) { 5604954674151afa960af66efb4831df06bde727333yangguo@chromium.org#if VERIFY_HEAP 5614954674151afa960af66efb4831df06bde727333yangguo@chromium.org if (FLAG_verify_heap) str->StringVerify(); 5624954674151afa960af66efb4831df06bde727333yangguo@chromium.org#endif 563e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(begin > 0 || end < str->length()); 5644954674151afa960af66efb4831df06bde727333yangguo@chromium.org 565a77ec9c2cf67e5b9c707fe42f33574526fed189amachenbach@chromium.org str = String::Flatten(str); 566a77ec9c2cf67e5b9c707fe42f33574526fed189amachenbach@chromium.org 5674954674151afa960af66efb4831df06bde727333yangguo@chromium.org int length = end - begin; 5684954674151afa960af66efb4831df06bde727333yangguo@chromium.org if (length <= 0) return empty_string(); 5694954674151afa960af66efb4831df06bde727333yangguo@chromium.org if (length == 1) { 5709e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org return LookupSingleCharacterStringFromCode(str->Get(begin)); 5714954674151afa960af66efb4831df06bde727333yangguo@chromium.org } 5724954674151afa960af66efb4831df06bde727333yangguo@chromium.org if (length == 2) { 5734954674151afa960af66efb4831df06bde727333yangguo@chromium.org // Optimization for 2-byte strings often used as keys in a decompression 5744954674151afa960af66efb4831df06bde727333yangguo@chromium.org // dictionary. Check whether we already have the string in the string 5754954674151afa960af66efb4831df06bde727333yangguo@chromium.org // table to prevent creation of many unnecessary strings. 5764954674151afa960af66efb4831df06bde727333yangguo@chromium.org uint16_t c1 = str->Get(begin); 5774954674151afa960af66efb4831df06bde727333yangguo@chromium.org uint16_t c2 = str->Get(begin + 1); 5784954674151afa960af66efb4831df06bde727333yangguo@chromium.org return MakeOrFindTwoCharacterString(isolate(), c1, c2); 5794954674151afa960af66efb4831df06bde727333yangguo@chromium.org } 5804954674151afa960af66efb4831df06bde727333yangguo@chromium.org 5814954674151afa960af66efb4831df06bde727333yangguo@chromium.org if (!FLAG_string_slices || length < SlicedString::kMinLength) { 5824954674151afa960af66efb4831df06bde727333yangguo@chromium.org if (str->IsOneByteRepresentation()) { 583255043f8054e713a64509c707cfabadd42344683machenbach@chromium.org Handle<SeqOneByteString> result = 584255043f8054e713a64509c707cfabadd42344683machenbach@chromium.org NewRawOneByteString(length).ToHandleChecked(); 5854954674151afa960af66efb4831df06bde727333yangguo@chromium.org uint8_t* dest = result->GetChars(); 5864954674151afa960af66efb4831df06bde727333yangguo@chromium.org DisallowHeapAllocation no_gc; 5874954674151afa960af66efb4831df06bde727333yangguo@chromium.org String::WriteToFlat(*str, dest, begin, end); 5884954674151afa960af66efb4831df06bde727333yangguo@chromium.org return result; 5894954674151afa960af66efb4831df06bde727333yangguo@chromium.org } else { 590255043f8054e713a64509c707cfabadd42344683machenbach@chromium.org Handle<SeqTwoByteString> result = 591255043f8054e713a64509c707cfabadd42344683machenbach@chromium.org NewRawTwoByteString(length).ToHandleChecked(); 5924954674151afa960af66efb4831df06bde727333yangguo@chromium.org uc16* dest = result->GetChars(); 5934954674151afa960af66efb4831df06bde727333yangguo@chromium.org DisallowHeapAllocation no_gc; 5944954674151afa960af66efb4831df06bde727333yangguo@chromium.org String::WriteToFlat(*str, dest, begin, end); 5954954674151afa960af66efb4831df06bde727333yangguo@chromium.org return result; 5964954674151afa960af66efb4831df06bde727333yangguo@chromium.org } 5974954674151afa960af66efb4831df06bde727333yangguo@chromium.org } 5984954674151afa960af66efb4831df06bde727333yangguo@chromium.org 5994954674151afa960af66efb4831df06bde727333yangguo@chromium.org int offset = begin; 6004954674151afa960af66efb4831df06bde727333yangguo@chromium.org 6014954674151afa960af66efb4831df06bde727333yangguo@chromium.org if (str->IsSlicedString()) { 6024954674151afa960af66efb4831df06bde727333yangguo@chromium.org Handle<SlicedString> slice = Handle<SlicedString>::cast(str); 6034954674151afa960af66efb4831df06bde727333yangguo@chromium.org str = Handle<String>(slice->parent(), isolate()); 6044954674151afa960af66efb4831df06bde727333yangguo@chromium.org offset += slice->offset(); 6054954674151afa960af66efb4831df06bde727333yangguo@chromium.org } 6064954674151afa960af66efb4831df06bde727333yangguo@chromium.org 607e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(str->IsSeqString() || str->IsExternalString()); 6082c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.org Handle<Map> map = str->IsOneByteRepresentation() 6092c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.org ? sliced_one_byte_string_map() 6102c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.org : sliced_string_map(); 6113484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org Handle<SlicedString> slice = New<SlicedString>(map, NEW_SPACE); 6124954674151afa960af66efb4831df06bde727333yangguo@chromium.org 6134954674151afa960af66efb4831df06bde727333yangguo@chromium.org slice->set_hash_field(String::kEmptyHashField); 6144954674151afa960af66efb4831df06bde727333yangguo@chromium.org slice->set_length(length); 6154954674151afa960af66efb4831df06bde727333yangguo@chromium.org slice->set_parent(*str); 6164954674151afa960af66efb4831df06bde727333yangguo@chromium.org slice->set_offset(offset); 6174954674151afa960af66efb4831df06bde727333yangguo@chromium.org return slice; 61804921a8093ce8bbec34084bd742b7aa3d299be15ager@chromium.org} 61904921a8093ce8bbec34084bd742b7aa3d299be15ager@chromium.org 62004921a8093ce8bbec34084bd742b7aa3d299be15ager@chromium.org 6212c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.orgMaybeHandle<String> Factory::NewExternalStringFromOneByte( 6222c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.org const ExternalOneByteString::Resource* resource) { 6239fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org size_t length = resource->length(); 6249fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org if (length > static_cast<size_t>(String::kMaxLength)) { 625ada3a6017e603965f87fa34f6e2fa60379e8d697machenbach@chromium.org THROW_NEW_ERROR(isolate(), NewInvalidStringLengthError(), String); 6269fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org } 6279fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org 6282c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.org Handle<Map> map = external_one_byte_string_map(); 6292c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.org Handle<ExternalOneByteString> external_string = 6302c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.org New<ExternalOneByteString>(map, NEW_SPACE); 6319fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org external_string->set_length(static_cast<int>(length)); 6329fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org external_string->set_hash_field(String::kEmptyHashField); 6339fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org external_string->set_resource(resource); 6349fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org 6359fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org return external_string; 63643d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 63743d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 63843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 639255043f8054e713a64509c707cfabadd42344683machenbach@chromium.orgMaybeHandle<String> Factory::NewExternalStringFromTwoByte( 640c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com const ExternalTwoByteString::Resource* resource) { 6419fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org size_t length = resource->length(); 6429fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org if (length > static_cast<size_t>(String::kMaxLength)) { 643ada3a6017e603965f87fa34f6e2fa60379e8d697machenbach@chromium.org THROW_NEW_ERROR(isolate(), NewInvalidStringLengthError(), String); 6449fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org } 6459fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org 6469fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org // For small strings we check whether the resource contains only 6479fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org // one byte characters. If yes, we use a different string map. 6489fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org static const size_t kOneByteCheckLengthLimit = 32; 6499fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org bool is_one_byte = length <= kOneByteCheckLengthLimit && 6509fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org String::IsOneByte(resource->data(), static_cast<int>(length)); 6519fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org Handle<Map> map = is_one_byte ? 6529fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org external_string_with_one_byte_data_map() : external_string_map(); 6539fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org Handle<ExternalTwoByteString> external_string = 6549fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org New<ExternalTwoByteString>(map, NEW_SPACE); 6559fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org external_string->set_length(static_cast<int>(length)); 6569fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org external_string->set_hash_field(String::kEmptyHashField); 6579fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org external_string->set_resource(resource); 6589fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org 6599fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org return external_string; 66043d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 66143d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 66243d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 6634a9f6553038df6b893b3d3ccae351723f4cbbae7yangguo@chromium.orgHandle<Symbol> Factory::NewSymbol() { 6644a9f6553038df6b893b3d3ccae351723f4cbbae7yangguo@chromium.org CALL_HEAP_FUNCTION( 6654a9f6553038df6b893b3d3ccae351723f4cbbae7yangguo@chromium.org isolate(), 6664a9f6553038df6b893b3d3ccae351723f4cbbae7yangguo@chromium.org isolate()->heap()->AllocateSymbol(), 6674a9f6553038df6b893b3d3ccae351723f4cbbae7yangguo@chromium.org Symbol); 6684a9f6553038df6b893b3d3ccae351723f4cbbae7yangguo@chromium.org} 6694a9f6553038df6b893b3d3ccae351723f4cbbae7yangguo@chromium.org 6704a9f6553038df6b893b3d3ccae351723f4cbbae7yangguo@chromium.org 6710cc095007a3ccded63f6577751c6a04300eb7ae9machenbach@chromium.orgHandle<Symbol> Factory::NewPrivateSymbol() { 6723484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org Handle<Symbol> symbol = NewSymbol(); 6733484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org symbol->set_is_private(true); 6743484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org return symbol; 6750cc095007a3ccded63f6577751c6a04300eb7ae9machenbach@chromium.org} 6760cc095007a3ccded63f6577751c6a04300eb7ae9machenbach@chromium.org 6770cc095007a3ccded63f6577751c6a04300eb7ae9machenbach@chromium.org 6785e57059e20217fd540b60c237d326414afe2171emachenbach@chromium.orgHandle<Symbol> Factory::NewPrivateOwnSymbol() { 6795e57059e20217fd540b60c237d326414afe2171emachenbach@chromium.org Handle<Symbol> symbol = NewSymbol(); 6805e57059e20217fd540b60c237d326414afe2171emachenbach@chromium.org symbol->set_is_private(true); 6815e57059e20217fd540b60c237d326414afe2171emachenbach@chromium.org symbol->set_is_own(true); 6825e57059e20217fd540b60c237d326414afe2171emachenbach@chromium.org return symbol; 6835e57059e20217fd540b60c237d326414afe2171emachenbach@chromium.org} 6845e57059e20217fd540b60c237d326414afe2171emachenbach@chromium.org 6855e57059e20217fd540b60c237d326414afe2171emachenbach@chromium.org 68646839fbbdee40a3d2d924e8b5b13c4139b0b24f2yangguo@chromium.orgHandle<Context> Factory::NewNativeContext() { 6879e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org Handle<FixedArray> array = NewFixedArray(Context::NATIVE_CONTEXT_SLOTS); 6889e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org array->set_map_no_write_barrier(*native_context_map()); 6899e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org Handle<Context> context = Handle<Context>::cast(array); 6909e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org context->set_js_array_maps(*undefined_value()); 691e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(context->IsNativeContext()); 6929e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org return context; 69346839fbbdee40a3d2d924e8b5b13c4139b0b24f2yangguo@chromium.org} 69446839fbbdee40a3d2d924e8b5b13c4139b0b24f2yangguo@chromium.org 69546839fbbdee40a3d2d924e8b5b13c4139b0b24f2yangguo@chromium.org 69646839fbbdee40a3d2d924e8b5b13c4139b0b24f2yangguo@chromium.orgHandle<Context> Factory::NewGlobalContext(Handle<JSFunction> function, 69746839fbbdee40a3d2d924e8b5b13c4139b0b24f2yangguo@chromium.org Handle<ScopeInfo> scope_info) { 6985b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org Handle<FixedArray> array = 6995b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org NewFixedArray(scope_info->ContextLength(), TENURED); 7005b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org array->set_map_no_write_barrier(*global_context_map()); 7015b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org Handle<Context> context = Handle<Context>::cast(array); 7025b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org context->set_closure(*function); 7035b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org context->set_previous(function->context()); 7045b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org context->set_extension(*scope_info); 7055b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org context->set_global_object(function->context()->global_object()); 706e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(context->IsGlobalContext()); 7075b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org return context; 70843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 70943d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 71043d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 71181cac2ba397bd57f2967c8b4b677bef08a869991danno@chromium.orgHandle<Context> Factory::NewModuleContext(Handle<ScopeInfo> scope_info) { 7129e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org Handle<FixedArray> array = 7139e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org NewFixedArray(scope_info->ContextLength(), TENURED); 7149e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org array->set_map_no_write_barrier(*module_context_map()); 7159e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org // Instance link will be set later. 7169e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org Handle<Context> context = Handle<Context>::cast(array); 7179e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org context->set_extension(Smi::FromInt(0)); 7189e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org return context; 719ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com} 720ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com 721ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com 72243d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansenHandle<Context> Factory::NewFunctionContext(int length, 7233cf47318da216c319ecf1f7a59de23455f117197vegorov@chromium.org Handle<JSFunction> function) { 724e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(length >= Context::MIN_CONTEXT_SLOTS); 7255b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org Handle<FixedArray> array = NewFixedArray(length); 7265b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org array->set_map_no_write_barrier(*function_context_map()); 7275b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org Handle<Context> context = Handle<Context>::cast(array); 7285b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org context->set_closure(*function); 7295b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org context->set_previous(function->context()); 7305b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org context->set_extension(Smi::FromInt(0)); 7315b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org context->set_global_object(function->context()->global_object()); 7325b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org return context; 73343d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 73443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 73543d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 7363cf47318da216c319ecf1f7a59de23455f117197vegorov@chromium.orgHandle<Context> Factory::NewCatchContext(Handle<JSFunction> function, 7373cf47318da216c319ecf1f7a59de23455f117197vegorov@chromium.org Handle<Context> previous, 7386d786c9805481bd13ecb29c3155540f2f32950e1svenpanne@chromium.org Handle<String> name, 7396d786c9805481bd13ecb29c3155540f2f32950e1svenpanne@chromium.org Handle<Object> thrown_object) { 7405b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org STATIC_ASSERT(Context::MIN_CONTEXT_SLOTS == Context::THROWN_OBJECT_INDEX); 7415b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org Handle<FixedArray> array = NewFixedArray(Context::MIN_CONTEXT_SLOTS + 1); 7425b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org array->set_map_no_write_barrier(*catch_context_map()); 7435b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org Handle<Context> context = Handle<Context>::cast(array); 7445b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org context->set_closure(*function); 7455b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org context->set_previous(*previous); 7465b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org context->set_extension(*name); 7475b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org context->set_global_object(previous->global_object()); 7485b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org context->set(Context::THROWN_OBJECT_INDEX, *thrown_object); 7495b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org return context; 7506d786c9805481bd13ecb29c3155540f2f32950e1svenpanne@chromium.org} 7516d786c9805481bd13ecb29c3155540f2f32950e1svenpanne@chromium.org 7526d786c9805481bd13ecb29c3155540f2f32950e1svenpanne@chromium.org 7533cf47318da216c319ecf1f7a59de23455f117197vegorov@chromium.orgHandle<Context> Factory::NewWithContext(Handle<JSFunction> function, 7543cf47318da216c319ecf1f7a59de23455f117197vegorov@chromium.org Handle<Context> previous, 7555b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org Handle<JSReceiver> extension) { 7565b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org Handle<FixedArray> array = NewFixedArray(Context::MIN_CONTEXT_SLOTS); 7575b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org array->set_map_no_write_barrier(*with_context_map()); 7585b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org Handle<Context> context = Handle<Context>::cast(array); 7595b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org context->set_closure(*function); 7605b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org context->set_previous(*previous); 7615b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org context->set_extension(*extension); 7625b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org context->set_global_object(previous->global_object()); 7635b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org return context; 76443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 76543d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 76643d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 767ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.comHandle<Context> Factory::NewBlockContext(Handle<JSFunction> function, 768ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com Handle<Context> previous, 769ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com Handle<ScopeInfo> scope_info) { 7705b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org Handle<FixedArray> array = 7715b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org NewFixedArrayWithHoles(scope_info->ContextLength()); 7725b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org array->set_map_no_write_barrier(*block_context_map()); 7735b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org Handle<Context> context = Handle<Context>::cast(array); 7745b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org context->set_closure(*function); 7755b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org context->set_previous(*previous); 7765b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org context->set_extension(*scope_info); 7775b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org context->set_global_object(previous->global_object()); 7785b080567cf135f6dbaf23973ba6b6fa1d6af83b3machenbach@chromium.org return context; 7794acdc2c8d4caecf7606db8af710366c1d6e28fe5whesse@chromium.org} 7804acdc2c8d4caecf7606db8af710366c1d6e28fe5whesse@chromium.org 7814acdc2c8d4caecf7606db8af710366c1d6e28fe5whesse@chromium.org 78243d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansenHandle<Struct> Factory::NewStruct(InstanceType type) { 783ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org CALL_HEAP_FUNCTION( 784ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org isolate(), 785ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org isolate()->heap()->AllocateStruct(type), 786ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org Struct); 78743d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 78843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 78943d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 7909fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.orgHandle<CodeCache> Factory::NewCodeCache() { 7919fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org Handle<CodeCache> code_cache = 7929fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org Handle<CodeCache>::cast(NewStruct(CODE_CACHE_TYPE)); 7939fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org code_cache->set_default_cache(*empty_fixed_array(), SKIP_WRITE_BARRIER); 7949fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org code_cache->set_normal_type_cache(*undefined_value(), SKIP_WRITE_BARRIER); 7959fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org return code_cache; 7969fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org} 7979fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org 7989fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org 799b5be0a91a2e75da55653dd3583b7f3c1c54f7309machenbach@chromium.orgHandle<AliasedArgumentsEntry> Factory::NewAliasedArgumentsEntry( 800b5be0a91a2e75da55653dd3583b7f3c1c54f7309machenbach@chromium.org int aliased_context_slot) { 801b5be0a91a2e75da55653dd3583b7f3c1c54f7309machenbach@chromium.org Handle<AliasedArgumentsEntry> entry = Handle<AliasedArgumentsEntry>::cast( 802b5be0a91a2e75da55653dd3583b7f3c1c54f7309machenbach@chromium.org NewStruct(ALIASED_ARGUMENTS_ENTRY_TYPE)); 803b5be0a91a2e75da55653dd3583b7f3c1c54f7309machenbach@chromium.org entry->set_aliased_context_slot(aliased_context_slot); 804b5be0a91a2e75da55653dd3583b7f3c1c54f7309machenbach@chromium.org return entry; 805b5be0a91a2e75da55653dd3583b7f3c1c54f7309machenbach@chromium.org} 806b5be0a91a2e75da55653dd3583b7f3c1c54f7309machenbach@chromium.org 807b5be0a91a2e75da55653dd3583b7f3c1c54f7309machenbach@chromium.org 808750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.orgHandle<DeclaredAccessorDescriptor> Factory::NewDeclaredAccessorDescriptor() { 809750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org return Handle<DeclaredAccessorDescriptor>::cast( 810750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org NewStruct(DECLARED_ACCESSOR_DESCRIPTOR_TYPE)); 811750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org} 812750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org 813750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org 8147c3372bc426136cb79479c1b59d1770f5528882ahpayer@chromium.orgHandle<DeclaredAccessorInfo> Factory::NewDeclaredAccessorInfo() { 8157c3372bc426136cb79479c1b59d1770f5528882ahpayer@chromium.org Handle<DeclaredAccessorInfo> info = 8167c3372bc426136cb79479c1b59d1770f5528882ahpayer@chromium.org Handle<DeclaredAccessorInfo>::cast( 8177c3372bc426136cb79479c1b59d1770f5528882ahpayer@chromium.org NewStruct(DECLARED_ACCESSOR_INFO_TYPE)); 8187c3372bc426136cb79479c1b59d1770f5528882ahpayer@chromium.org info->set_flag(0); // Must clear the flag, it was initialized as undefined. 8197c3372bc426136cb79479c1b59d1770f5528882ahpayer@chromium.org return info; 8207c3372bc426136cb79479c1b59d1770f5528882ahpayer@chromium.org} 8217c3372bc426136cb79479c1b59d1770f5528882ahpayer@chromium.org 8227c3372bc426136cb79479c1b59d1770f5528882ahpayer@chromium.org 8237c3372bc426136cb79479c1b59d1770f5528882ahpayer@chromium.orgHandle<ExecutableAccessorInfo> Factory::NewExecutableAccessorInfo() { 8247c3372bc426136cb79479c1b59d1770f5528882ahpayer@chromium.org Handle<ExecutableAccessorInfo> info = 8257c3372bc426136cb79479c1b59d1770f5528882ahpayer@chromium.org Handle<ExecutableAccessorInfo>::cast( 8267c3372bc426136cb79479c1b59d1770f5528882ahpayer@chromium.org NewStruct(EXECUTABLE_ACCESSOR_INFO_TYPE)); 82743d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen info->set_flag(0); // Must clear the flag, it was initialized as undefined. 82843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen return info; 82943d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 83043d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 83143d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 83243d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansenHandle<Script> Factory::NewScript(Handle<String> source) { 8337be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org // Generate id for this script. 834ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org Heap* heap = isolate()->heap(); 8351510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org int id = heap->last_script_id()->value() + 1; 8361510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org if (!Smi::IsValid(id) || id < 0) id = 1; 8371510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org heap->set_last_script_id(Smi::FromInt(id)); 8387be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 8397be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org // Create and initialize script object. 840ea91cc579ade536e3a08498a8157921dd4f533d1ager@chromium.org Handle<Foreign> wrapper = NewForeign(0, TENURED); 84143d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen Handle<Script> script = Handle<Script>::cast(NewStruct(SCRIPT_TYPE)); 84243d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen script->set_source(*source); 843ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org script->set_name(heap->undefined_value()); 8441510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org script->set_id(Smi::FromInt(id)); 84543d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen script->set_line_offset(Smi::FromInt(0)); 84643d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen script->set_column_offset(Smi::FromInt(0)); 847ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org script->set_context_data(heap->undefined_value()); 848e2902be65446e26fd63a3b4eab2f14257cf4ebafager@chromium.org script->set_type(Smi::FromInt(Script::TYPE_NORMAL)); 8499085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org script->set_wrapper(*wrapper); 850ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org script->set_line_ends(heap->undefined_value()); 851ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org script->set_eval_from_shared(heap->undefined_value()); 852e2902be65446e26fd63a3b4eab2f14257cf4ebafager@chromium.org script->set_eval_from_instructions_offset(Smi::FromInt(0)); 853d3c42109e5b85232d19beab8deeb24bdcbbf07f9danno@chromium.org script->set_flags(Smi::FromInt(0)); 8547be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 85543d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen return script; 85643d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 85743d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 85843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 859ea91cc579ade536e3a08498a8157921dd4f533d1ager@chromium.orgHandle<Foreign> Factory::NewForeign(Address addr, PretenureFlag pretenure) { 860ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org CALL_HEAP_FUNCTION(isolate(), 861ea91cc579ade536e3a08498a8157921dd4f533d1ager@chromium.org isolate()->heap()->AllocateForeign(addr, pretenure), 862ea91cc579ade536e3a08498a8157921dd4f533d1ager@chromium.org Foreign); 86343d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 86443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 86543d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 866ea91cc579ade536e3a08498a8157921dd4f533d1ager@chromium.orgHandle<Foreign> Factory::NewForeign(const AccessorDescriptor* desc) { 867ea91cc579ade536e3a08498a8157921dd4f533d1ager@chromium.org return NewForeign((Address) desc, TENURED); 86843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 86943d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 87043d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 871a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.orgHandle<ByteArray> Factory::NewByteArray(int length, PretenureFlag pretenure) { 872e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(0 <= length); 873ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org CALL_HEAP_FUNCTION( 874ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org isolate(), 875ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org isolate()->heap()->AllocateByteArray(length, pretenure), 876ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org ByteArray); 87743d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 87843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 87943d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 8803811b436bf328d2ace6fe79ce99aeda71f9f06d3ager@chromium.orgHandle<ExternalArray> Factory::NewExternalArray(int length, 8813811b436bf328d2ace6fe79ce99aeda71f9f06d3ager@chromium.org ExternalArrayType array_type, 8823811b436bf328d2ace6fe79ce99aeda71f9f06d3ager@chromium.org void* external_pointer, 8833811b436bf328d2ace6fe79ce99aeda71f9f06d3ager@chromium.org PretenureFlag pretenure) { 884e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(0 <= length && length <= Smi::kMaxValue); 885ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org CALL_HEAP_FUNCTION( 886ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org isolate(), 887ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org isolate()->heap()->AllocateExternalArray(length, 888ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org array_type, 889ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org external_pointer, 890ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org pretenure), 891ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org ExternalArray); 8923811b436bf328d2ace6fe79ce99aeda71f9f06d3ager@chromium.org} 8933811b436bf328d2ace6fe79ce99aeda71f9f06d3ager@chromium.org 8943811b436bf328d2ace6fe79ce99aeda71f9f06d3ager@chromium.org 8955c88bc39690cc94affe78cf5777eb8180c4af8a4machenbach@chromium.orgHandle<FixedTypedArrayBase> Factory::NewFixedTypedArray( 8965c88bc39690cc94affe78cf5777eb8180c4af8a4machenbach@chromium.org int length, 8975c88bc39690cc94affe78cf5777eb8180c4af8a4machenbach@chromium.org ExternalArrayType array_type, 8985c88bc39690cc94affe78cf5777eb8180c4af8a4machenbach@chromium.org PretenureFlag pretenure) { 899e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(0 <= length && length <= Smi::kMaxValue); 9005c88bc39690cc94affe78cf5777eb8180c4af8a4machenbach@chromium.org CALL_HEAP_FUNCTION( 9015c88bc39690cc94affe78cf5777eb8180c4af8a4machenbach@chromium.org isolate(), 9025c88bc39690cc94affe78cf5777eb8180c4af8a4machenbach@chromium.org isolate()->heap()->AllocateFixedTypedArray(length, 9035c88bc39690cc94affe78cf5777eb8180c4af8a4machenbach@chromium.org array_type, 9045c88bc39690cc94affe78cf5777eb8180c4af8a4machenbach@chromium.org pretenure), 9055c88bc39690cc94affe78cf5777eb8180c4af8a4machenbach@chromium.org FixedTypedArrayBase); 9065c88bc39690cc94affe78cf5777eb8180c4af8a4machenbach@chromium.org} 9075c88bc39690cc94affe78cf5777eb8180c4af8a4machenbach@chromium.org 9085c88bc39690cc94affe78cf5777eb8180c4af8a4machenbach@chromium.org 90941728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.orgHandle<Cell> Factory::NewCell(Handle<Object> value) { 91041728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org AllowDeferredHandleDereference convert_to_cell; 91141728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org CALL_HEAP_FUNCTION( 91241728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org isolate(), 91341728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org isolate()->heap()->AllocateCell(*value), 91441728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org Cell); 91541728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org} 91641728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org 91741728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org 91871f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.orgHandle<PropertyCell> Factory::NewPropertyCellWithHole() { 919ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org CALL_HEAP_FUNCTION( 920ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org isolate(), 92171f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org isolate()->heap()->AllocatePropertyCell(), 922b752d4061aaeb7d6a6ec368607871789d54b0207dslomov@chromium.org PropertyCell); 923a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org} 924a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 925a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 92671f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.orgHandle<PropertyCell> Factory::NewPropertyCell(Handle<Object> value) { 92771f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org AllowDeferredHandleDereference convert_to_cell; 92871f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org Handle<PropertyCell> cell = NewPropertyCellWithHole(); 92971f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org PropertyCell::SetValueInferType(cell, value); 93071f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org return cell; 93171f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org} 93271f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org 93371f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org 934bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.orgHandle<AllocationSite> Factory::NewAllocationSite() { 9359fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org Handle<Map> map = allocation_site_map(); 9369fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org Handle<AllocationSite> site = New<AllocationSite>(map, OLD_POINTER_SPACE); 9379fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org site->Initialize(); 9389fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org 9399fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org // Link the site 9409fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org site->set_weak_next(isolate()->heap()->allocation_sites_list()); 9419fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org isolate()->heap()->set_allocation_sites_list(*site); 9429fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org return site; 943bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org} 944bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org 945bee51999422c0eeaae85ed99b5c0bd4126510ff1danno@chromium.org 946c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.comHandle<Map> Factory::NewMap(InstanceType type, 947c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com int instance_size, 948c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com ElementsKind elements_kind) { 949ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org CALL_HEAP_FUNCTION( 950ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org isolate(), 951c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com isolate()->heap()->AllocateMap(type, instance_size, elements_kind), 952ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org Map); 95343d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 95443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 95543d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 9563484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.orgHandle<JSObject> Factory::CopyJSObject(Handle<JSObject> object) { 9573484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org CALL_HEAP_FUNCTION(isolate(), 9583484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org isolate()->heap()->CopyJSObject(*object, NULL), 9593484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org JSObject); 96043d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 96143d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 96243d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 9633484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.orgHandle<JSObject> Factory::CopyJSObjectWithAllocationSite( 9643484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org Handle<JSObject> object, 9653484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org Handle<AllocationSite> site) { 9662904d1a42292be3056c2dd3f98822f8e1470fa72machenbach@chromium.org CALL_HEAP_FUNCTION(isolate(), 9673484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org isolate()->heap()->CopyJSObject( 9683484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org *object, 9693484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org site.is_null() ? NULL : *site), 9703484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org JSObject); 9713484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org} 9723484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org 9733484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org 9743484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.orgHandle<FixedArray> Factory::CopyFixedArrayWithMap(Handle<FixedArray> array, 9753484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org Handle<Map> map) { 9763484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org CALL_HEAP_FUNCTION(isolate(), 9773484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org isolate()->heap()->CopyFixedArrayWithMap(*array, *map), 9782904d1a42292be3056c2dd3f98822f8e1470fa72machenbach@chromium.org FixedArray); 9792904d1a42292be3056c2dd3f98822f8e1470fa72machenbach@chromium.org} 9802904d1a42292be3056c2dd3f98822f8e1470fa72machenbach@chromium.org 9812904d1a42292be3056c2dd3f98822f8e1470fa72machenbach@chromium.org 9823484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.orgHandle<FixedArray> Factory::CopyFixedArray(Handle<FixedArray> array) { 9833484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org CALL_HEAP_FUNCTION(isolate(), 9843484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org isolate()->heap()->CopyFixedArray(*array), 9853484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org FixedArray); 9863484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org} 9873484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org 9883484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org 9893484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.orgHandle<FixedArray> Factory::CopyAndTenureFixedCOWArray( 9903484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org Handle<FixedArray> array) { 991e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(isolate()->heap()->InNewSpace(*array)); 99225b0e21ac53cd2e892094493a65f75258fa977f0jkummerow@chromium.org CALL_HEAP_FUNCTION(isolate(), 9933484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org isolate()->heap()->CopyAndTenureFixedCOWArray(*array), 99425b0e21ac53cd2e892094493a65f75258fa977f0jkummerow@chromium.org FixedArray); 995eeb44b681a16e45f1415dfacff0ba3dba9de5d8cyangguo@chromium.org} 996eeb44b681a16e45f1415dfacff0ba3dba9de5d8cyangguo@chromium.org 997eeb44b681a16e45f1415dfacff0ba3dba9de5d8cyangguo@chromium.org 998394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.comHandle<FixedDoubleArray> Factory::CopyFixedDoubleArray( 999394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com Handle<FixedDoubleArray> array) { 10003484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org CALL_HEAP_FUNCTION(isolate(), 10013484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org isolate()->heap()->CopyFixedDoubleArray(*array), 10023484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org FixedDoubleArray); 1003394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com} 1004394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com 1005394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com 1006a2e1a40f85577979749d4c0d6de30e992d996659mstarzinger@chromium.orgHandle<ConstantPoolArray> Factory::CopyConstantPoolArray( 1007a2e1a40f85577979749d4c0d6de30e992d996659mstarzinger@chromium.org Handle<ConstantPoolArray> array) { 10083484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org CALL_HEAP_FUNCTION(isolate(), 10093484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org isolate()->heap()->CopyConstantPoolArray(*array), 10103484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org ConstantPoolArray); 1011a2e1a40f85577979749d4c0d6de30e992d996659mstarzinger@chromium.org} 1012a2e1a40f85577979749d4c0d6de30e992d996659mstarzinger@chromium.org 1013a2e1a40f85577979749d4c0d6de30e992d996659mstarzinger@chromium.org 101443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansenHandle<Object> Factory::NewNumber(double value, 101543d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen PretenureFlag pretenure) { 10169fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org // We need to distinguish the minus zero value and this cannot be 10179fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org // done after conversion to int. Doing this by comparing bit 10189fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org // patterns is faster than using fpclassify() et al. 101958a725587734a6889c689668fd01f0157ed749a6machenbach@chromium.org if (IsMinusZero(value)) return NewHeapNumber(-0.0, IMMUTABLE, pretenure); 10209fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org 10219fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org int int_value = FastD2I(value); 10229fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org if (value == int_value && Smi::IsValid(int_value)) { 10239fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org return handle(Smi::FromInt(int_value), isolate()); 10249fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org } 10259fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org 10269fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org // Materialize the value in the heap. 102758a725587734a6889c689668fd01f0157ed749a6machenbach@chromium.org return NewHeapNumber(value, IMMUTABLE, pretenure); 102843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 102943d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 103043d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 10310ad885c06ff6a0d68bc9ad75629f7ddfaa6860b9erikcorryHandle<Object> Factory::NewNumberFromInt(int32_t value, 10320ad885c06ff6a0d68bc9ad75629f7ddfaa6860b9erikcorry PretenureFlag pretenure) { 10339fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org if (Smi::IsValid(value)) return handle(Smi::FromInt(value), isolate()); 103458a725587734a6889c689668fd01f0157ed749a6machenbach@chromium.org // Bypass NewNumber to avoid various redundant checks. 103558a725587734a6889c689668fd01f0157ed749a6machenbach@chromium.org return NewHeapNumber(FastI2D(value), IMMUTABLE, pretenure); 103643d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 103743d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 103843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 10390ad885c06ff6a0d68bc9ad75629f7ddfaa6860b9erikcorryHandle<Object> Factory::NewNumberFromUint(uint32_t value, 1040a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org PretenureFlag pretenure) { 1041a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org int32_t int32v = static_cast<int32_t>(value); 1042a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org if (int32v >= 0 && Smi::IsValid(int32v)) { 1043a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org return handle(Smi::FromInt(int32v), isolate()); 1044a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org } 104558a725587734a6889c689668fd01f0157ed749a6machenbach@chromium.org return NewHeapNumber(FastUI2D(value), IMMUTABLE, pretenure); 10467be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org} 10477be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 10487be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 104957ff881caeb2e15b46ac9e4dfc00e378f7c5f929ulan@chromium.orgHandle<HeapNumber> Factory::NewHeapNumber(double value, 105058a725587734a6889c689668fd01f0157ed749a6machenbach@chromium.org MutableMode mode, 105157ff881caeb2e15b46ac9e4dfc00e378f7c5f929ulan@chromium.org PretenureFlag pretenure) { 105257ff881caeb2e15b46ac9e4dfc00e378f7c5f929ulan@chromium.org CALL_HEAP_FUNCTION( 105357ff881caeb2e15b46ac9e4dfc00e378f7c5f929ulan@chromium.org isolate(), 105458a725587734a6889c689668fd01f0157ed749a6machenbach@chromium.org isolate()->heap()->AllocateHeapNumber(value, mode, pretenure), 105558a725587734a6889c689668fd01f0157ed749a6machenbach@chromium.org HeapNumber); 105657ff881caeb2e15b46ac9e4dfc00e378f7c5f929ulan@chromium.org} 105757ff881caeb2e15b46ac9e4dfc00e378f7c5f929ulan@chromium.org 105857ff881caeb2e15b46ac9e4dfc00e378f7c5f929ulan@chromium.org 1059ada3a6017e603965f87fa34f6e2fa60379e8d697machenbach@chromium.orgMaybeHandle<Object> Factory::NewTypeError(const char* message, 1060ada3a6017e603965f87fa34f6e2fa60379e8d697machenbach@chromium.org Vector<Handle<Object> > args) { 1061dfe53073738bbf16023d96fce5118358a1037fd3ulan@chromium.org return NewError("MakeTypeError", message, args); 106243d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 106343d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 106443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 1065ada3a6017e603965f87fa34f6e2fa60379e8d697machenbach@chromium.orgMaybeHandle<Object> Factory::NewTypeError(Handle<String> message) { 106643d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen return NewError("$TypeError", message); 106743d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 106843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 106943d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 1070ada3a6017e603965f87fa34f6e2fa60379e8d697machenbach@chromium.orgMaybeHandle<Object> Factory::NewRangeError(const char* message, 1071ada3a6017e603965f87fa34f6e2fa60379e8d697machenbach@chromium.org Vector<Handle<Object> > args) { 1072dfe53073738bbf16023d96fce5118358a1037fd3ulan@chromium.org return NewError("MakeRangeError", message, args); 107343d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 107443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 107543d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 1076ada3a6017e603965f87fa34f6e2fa60379e8d697machenbach@chromium.orgMaybeHandle<Object> Factory::NewRangeError(Handle<String> message) { 107743d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen return NewError("$RangeError", message); 107843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 107943d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 108043d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 1081ada3a6017e603965f87fa34f6e2fa60379e8d697machenbach@chromium.orgMaybeHandle<Object> Factory::NewSyntaxError(const char* message, 1082ada3a6017e603965f87fa34f6e2fa60379e8d697machenbach@chromium.org Handle<JSArray> args) { 1083dfe53073738bbf16023d96fce5118358a1037fd3ulan@chromium.org return NewError("MakeSyntaxError", message, args); 108443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 108543d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 108643d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 1087ada3a6017e603965f87fa34f6e2fa60379e8d697machenbach@chromium.orgMaybeHandle<Object> Factory::NewSyntaxError(Handle<String> message) { 108843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen return NewError("$SyntaxError", message); 108943d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 109043d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 109143d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 1092ada3a6017e603965f87fa34f6e2fa60379e8d697machenbach@chromium.orgMaybeHandle<Object> Factory::NewReferenceError(const char* message, 1093ada3a6017e603965f87fa34f6e2fa60379e8d697machenbach@chromium.org Vector<Handle<Object> > args) { 1094dfe53073738bbf16023d96fce5118358a1037fd3ulan@chromium.org return NewError("MakeReferenceError", message, args); 109543d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 109643d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 109743d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 1098ada3a6017e603965f87fa34f6e2fa60379e8d697machenbach@chromium.orgMaybeHandle<Object> Factory::NewReferenceError(const char* message, 1099ada3a6017e603965f87fa34f6e2fa60379e8d697machenbach@chromium.org Handle<JSArray> args) { 11002904d1a42292be3056c2dd3f98822f8e1470fa72machenbach@chromium.org return NewError("MakeReferenceError", message, args); 11012904d1a42292be3056c2dd3f98822f8e1470fa72machenbach@chromium.org} 11022904d1a42292be3056c2dd3f98822f8e1470fa72machenbach@chromium.org 11032904d1a42292be3056c2dd3f98822f8e1470fa72machenbach@chromium.org 1104ada3a6017e603965f87fa34f6e2fa60379e8d697machenbach@chromium.orgMaybeHandle<Object> Factory::NewReferenceError(Handle<String> message) { 110543d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen return NewError("$ReferenceError", message); 110643d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 110743d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 110843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 1109ada3a6017e603965f87fa34f6e2fa60379e8d697machenbach@chromium.orgMaybeHandle<Object> Factory::NewError(const char* maker, const char* message, 1110ada3a6017e603965f87fa34f6e2fa60379e8d697machenbach@chromium.org Vector<Handle<Object> > args) { 11112bda543d75374afd8d7e98f56ca99a57ae1b7bd1svenpanne@chromium.org // Instantiate a closeable HandleScope for EscapeFrom. 1112ce9c514a4e015930324b2b45326a478a69535388machenbach@chromium.org v8::EscapableHandleScope scope(reinterpret_cast<v8::Isolate*>(isolate())); 1113ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org Handle<FixedArray> array = NewFixedArray(args.length()); 11147c537e2abe09729ed6cb827b4dd206470d8c4a42ager@chromium.org for (int i = 0; i < args.length(); i++) { 11157c537e2abe09729ed6cb827b4dd206470d8c4a42ager@chromium.org array->set(i, *args[i]); 11167c537e2abe09729ed6cb827b4dd206470d8c4a42ager@chromium.org } 1117ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org Handle<JSArray> object = NewJSArrayWithElements(array); 1118ada3a6017e603965f87fa34f6e2fa60379e8d697machenbach@chromium.org Handle<Object> result; 1119ada3a6017e603965f87fa34f6e2fa60379e8d697machenbach@chromium.org ASSIGN_RETURN_ON_EXCEPTION(isolate(), result, 1120ada3a6017e603965f87fa34f6e2fa60379e8d697machenbach@chromium.org NewError(maker, message, object), Object); 112143d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen return result.EscapeFrom(&scope); 112243d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 112343d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 112443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 1125ada3a6017e603965f87fa34f6e2fa60379e8d697machenbach@chromium.orgMaybeHandle<Object> Factory::NewEvalError(const char* message, 1126ada3a6017e603965f87fa34f6e2fa60379e8d697machenbach@chromium.org Vector<Handle<Object> > args) { 1127dfe53073738bbf16023d96fce5118358a1037fd3ulan@chromium.org return NewError("MakeEvalError", message, args); 112843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 112943d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 113043d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 1131ada3a6017e603965f87fa34f6e2fa60379e8d697machenbach@chromium.orgMaybeHandle<Object> Factory::NewError(const char* message, 1132ada3a6017e603965f87fa34f6e2fa60379e8d697machenbach@chromium.org Vector<Handle<Object> > args) { 1133dfe53073738bbf16023d96fce5118358a1037fd3ulan@chromium.org return NewError("MakeError", message, args); 113443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 113543d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 113643d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 1137dfe53073738bbf16023d96fce5118358a1037fd3ulan@chromium.orgHandle<String> Factory::EmergencyNewError(const char* message, 113837141398d9125c021d47ceb91e2b19efd35c89ddverwaest@chromium.org Handle<JSArray> args) { 113937141398d9125c021d47ceb91e2b19efd35c89ddverwaest@chromium.org const int kBufferSize = 1000; 114037141398d9125c021d47ceb91e2b19efd35c89ddverwaest@chromium.org char buffer[kBufferSize]; 114137141398d9125c021d47ceb91e2b19efd35c89ddverwaest@chromium.org size_t space = kBufferSize; 114237141398d9125c021d47ceb91e2b19efd35c89ddverwaest@chromium.org char* p = &buffer[0]; 114337141398d9125c021d47ceb91e2b19efd35c89ddverwaest@chromium.org 114437141398d9125c021d47ceb91e2b19efd35c89ddverwaest@chromium.org Vector<char> v(buffer, kBufferSize); 114570ec1a2160dd946b9578d04d97d631a6d4ab4f8cbmeurer@chromium.org StrNCpy(v, message, space); 1146dfe53073738bbf16023d96fce5118358a1037fd3ulan@chromium.org space -= Min(space, strlen(message)); 114737141398d9125c021d47ceb91e2b19efd35c89ddverwaest@chromium.org p = &buffer[kBufferSize] - space; 114837141398d9125c021d47ceb91e2b19efd35c89ddverwaest@chromium.org 1149fa7f914e3bacba481b13da5cf2bc4c935567ebc4machenbach@chromium.org for (int i = 0; i < Smi::cast(args->length())->value(); i++) { 115037141398d9125c021d47ceb91e2b19efd35c89ddverwaest@chromium.org if (space > 0) { 115137141398d9125c021d47ceb91e2b19efd35c89ddverwaest@chromium.org *p++ = ' '; 115237141398d9125c021d47ceb91e2b19efd35c89ddverwaest@chromium.org space--; 115337141398d9125c021d47ceb91e2b19efd35c89ddverwaest@chromium.org if (space > 0) { 11544452a490cca1fd780af6b2a4ca946c5d0fd108bamachenbach@chromium.org Handle<String> arg_str = Handle<String>::cast( 11552ebef182c49d59eba907b120c3c2a50808bd1f12machenbach@chromium.org Object::GetElement(isolate(), args, i).ToHandleChecked()); 1156afbdadc5f06365a7889e7c1c1fdb7dbf596cce68machenbach@chromium.org SmartArrayPointer<char> arg = arg_str->ToCString(); 11575a11aaf63fdb7843c9b116fdb84ee35b0a980ea6yangguo@chromium.org Vector<char> v2(p, static_cast<int>(space)); 115870ec1a2160dd946b9578d04d97d631a6d4ab4f8cbmeurer@chromium.org StrNCpy(v2, arg.get(), space); 1159afbdadc5f06365a7889e7c1c1fdb7dbf596cce68machenbach@chromium.org space -= Min(space, strlen(arg.get())); 116037141398d9125c021d47ceb91e2b19efd35c89ddverwaest@chromium.org p = &buffer[kBufferSize] - space; 116137141398d9125c021d47ceb91e2b19efd35c89ddverwaest@chromium.org } 116237141398d9125c021d47ceb91e2b19efd35c89ddverwaest@chromium.org } 116337141398d9125c021d47ceb91e2b19efd35c89ddverwaest@chromium.org } 116437141398d9125c021d47ceb91e2b19efd35c89ddverwaest@chromium.org if (space > 0) { 116537141398d9125c021d47ceb91e2b19efd35c89ddverwaest@chromium.org *p = '\0'; 116637141398d9125c021d47ceb91e2b19efd35c89ddverwaest@chromium.org } else { 116737141398d9125c021d47ceb91e2b19efd35c89ddverwaest@chromium.org buffer[kBufferSize - 1] = '\0'; 116837141398d9125c021d47ceb91e2b19efd35c89ddverwaest@chromium.org } 11698496027a525ad457b6d5729faf41f29100a27264machenbach@chromium.org return NewStringFromUtf8(CStrVector(buffer), TENURED).ToHandleChecked(); 117037141398d9125c021d47ceb91e2b19efd35c89ddverwaest@chromium.org} 117137141398d9125c021d47ceb91e2b19efd35c89ddverwaest@chromium.org 117237141398d9125c021d47ceb91e2b19efd35c89ddverwaest@chromium.org 1173ada3a6017e603965f87fa34f6e2fa60379e8d697machenbach@chromium.orgMaybeHandle<Object> Factory::NewError(const char* maker, const char* message, 1174ada3a6017e603965f87fa34f6e2fa60379e8d697machenbach@chromium.org Handle<JSArray> args) { 11754a9f6553038df6b893b3d3ccae351723f4cbbae7yangguo@chromium.org Handle<String> make_str = InternalizeUtf8String(maker); 11762ebef182c49d59eba907b120c3c2a50808bd1f12machenbach@chromium.org Handle<Object> fun_obj = Object::GetProperty( 11772ebef182c49d59eba907b120c3c2a50808bd1f12machenbach@chromium.org isolate()->js_builtins_object(), make_str).ToHandleChecked(); 11784af710e493dc8583f3b7b7ce65127ad4e7c3f8a1ager@chromium.org // If the builtins haven't been properly configured yet this error 11794af710e493dc8583f3b7b7ce65127ad4e7c3f8a1ager@chromium.org // constructor may not have been defined. Bail out. 118037141398d9125c021d47ceb91e2b19efd35c89ddverwaest@chromium.org if (!fun_obj->IsJSFunction()) { 1181dfe53073738bbf16023d96fce5118358a1037fd3ulan@chromium.org return EmergencyNewError(message, args); 118237141398d9125c021d47ceb91e2b19efd35c89ddverwaest@chromium.org } 11834af710e493dc8583f3b7b7ce65127ad4e7c3f8a1ager@chromium.org Handle<JSFunction> fun = Handle<JSFunction>::cast(fun_obj); 1184dfe53073738bbf16023d96fce5118358a1037fd3ulan@chromium.org Handle<Object> message_obj = InternalizeUtf8String(message); 1185dfe53073738bbf16023d96fce5118358a1037fd3ulan@chromium.org Handle<Object> argv[] = { message_obj, args }; 118643d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 118743d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen // Invoke the JavaScript factory method. If an exception is thrown while 118843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen // running the factory method, use the exception as the result. 11892ebef182c49d59eba907b120c3c2a50808bd1f12machenbach@chromium.org Handle<Object> result; 1190ada3a6017e603965f87fa34f6e2fa60379e8d697machenbach@chromium.org MaybeHandle<Object> exception; 11912ebef182c49d59eba907b120c3c2a50808bd1f12machenbach@chromium.org if (!Execution::TryCall(fun, 11922ebef182c49d59eba907b120c3c2a50808bd1f12machenbach@chromium.org isolate()->js_builtins_object(), 1193fa7f914e3bacba481b13da5cf2bc4c935567ebc4machenbach@chromium.org arraysize(argv), 11942ebef182c49d59eba907b120c3c2a50808bd1f12machenbach@chromium.org argv, 11952ebef182c49d59eba907b120c3c2a50808bd1f12machenbach@chromium.org &exception).ToHandle(&result)) { 11962ebef182c49d59eba907b120c3c2a50808bd1f12machenbach@chromium.org return exception; 11972ebef182c49d59eba907b120c3c2a50808bd1f12machenbach@chromium.org } 119843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen return result; 119943d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 120043d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 120143d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 1202ada3a6017e603965f87fa34f6e2fa60379e8d697machenbach@chromium.orgMaybeHandle<Object> Factory::NewError(Handle<String> message) { 120343d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen return NewError("$Error", message); 120443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 120543d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 120643d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 1207ada3a6017e603965f87fa34f6e2fa60379e8d697machenbach@chromium.orgMaybeHandle<Object> Factory::NewError(const char* constructor, 1208ada3a6017e603965f87fa34f6e2fa60379e8d697machenbach@chromium.org Handle<String> message) { 12094a9f6553038df6b893b3d3ccae351723f4cbbae7yangguo@chromium.org Handle<String> constr = InternalizeUtf8String(constructor); 12102ebef182c49d59eba907b120c3c2a50808bd1f12machenbach@chromium.org Handle<JSFunction> fun = Handle<JSFunction>::cast(Object::GetProperty( 12112ebef182c49d59eba907b120c3c2a50808bd1f12machenbach@chromium.org isolate()->js_builtins_object(), constr).ToHandleChecked()); 1212a8bb4d938869bdcdf759625ee868775ff24826d9svenpanne@chromium.org Handle<Object> argv[] = { message }; 121343d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 121443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen // Invoke the JavaScript factory method. If an exception is thrown while 121543d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen // running the factory method, use the exception as the result. 12162ebef182c49d59eba907b120c3c2a50808bd1f12machenbach@chromium.org Handle<Object> result; 1217ada3a6017e603965f87fa34f6e2fa60379e8d697machenbach@chromium.org MaybeHandle<Object> exception; 12182ebef182c49d59eba907b120c3c2a50808bd1f12machenbach@chromium.org if (!Execution::TryCall(fun, 12192ebef182c49d59eba907b120c3c2a50808bd1f12machenbach@chromium.org isolate()->js_builtins_object(), 1220fa7f914e3bacba481b13da5cf2bc4c935567ebc4machenbach@chromium.org arraysize(argv), 12212ebef182c49d59eba907b120c3c2a50808bd1f12machenbach@chromium.org argv, 12222ebef182c49d59eba907b120c3c2a50808bd1f12machenbach@chromium.org &exception).ToHandle(&result)) { 12232ebef182c49d59eba907b120c3c2a50808bd1f12machenbach@chromium.org return exception; 12242ebef182c49d59eba907b120c3c2a50808bd1f12machenbach@chromium.org } 122543d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen return result; 122643d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 122743d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 122843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 12295924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.orgvoid Factory::InitializeFunction(Handle<JSFunction> function, 12305924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org Handle<SharedFunctionInfo> info, 12315924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org Handle<Context> context) { 12325924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org function->initialize_properties(); 12335924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org function->initialize_elements(); 12345924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org function->set_shared(*info); 12355924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org function->set_code(info->code()); 12365924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org function->set_context(*context); 12375924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org function->set_prototype_or_initial_map(*the_hole_value()); 12385924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org function->set_literals_or_bindings(*empty_fixed_array()); 12395924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org function->set_next_function_link(*undefined_value()); 12405924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org} 12415924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org 12425924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org 12435924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.orgHandle<JSFunction> Factory::NewFunction(Handle<Map> map, 12445924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org Handle<SharedFunctionInfo> info, 12455924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org Handle<Context> context, 12465924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org PretenureFlag pretenure) { 12475924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org AllocationSpace space = pretenure == TENURED ? OLD_POINTER_SPACE : NEW_SPACE; 12485924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org Handle<JSFunction> result = New<JSFunction>(map, space); 12495924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org InitializeFunction(result, info, context); 12505924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org return result; 12515924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org} 12525924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org 12535924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org 12543c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.orgHandle<JSFunction> Factory::NewFunction(Handle<Map> map, 12553c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org Handle<String> name, 12563c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org MaybeHandle<Code> code) { 125758a725587734a6889c689668fd01f0157ed749a6machenbach@chromium.org Handle<Context> context(isolate()->native_context()); 12583c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org Handle<SharedFunctionInfo> info = NewSharedFunctionInfo(name, code); 1259e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK((info->strict_mode() == SLOPPY) && 12603c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org (map.is_identical_to(isolate()->sloppy_function_map()) || 12613c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org map.is_identical_to( 12623c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org isolate()->sloppy_function_without_prototype_map()) || 12633c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org map.is_identical_to( 12643c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org isolate()->sloppy_function_with_readonly_prototype_map()))); 12653c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org return NewFunction(map, info, context); 12665924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org} 12675924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org 12685924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org 12693c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.orgHandle<JSFunction> Factory::NewFunction(Handle<String> name) { 12703c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org return NewFunction( 12713c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org isolate()->sloppy_function_map(), name, MaybeHandle<Code>()); 12723c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org} 12733c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org 12743c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org 12753c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.orgHandle<JSFunction> Factory::NewFunctionWithoutPrototype(Handle<String> name, 12763c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org Handle<Code> code) { 12773c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org return NewFunction( 12783c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org isolate()->sloppy_function_without_prototype_map(), name, code); 12793c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org} 12803c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org 12813c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org 12823c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.orgHandle<JSFunction> Factory::NewFunction(Handle<String> name, 12833c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org Handle<Code> code, 12843c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org Handle<Object> prototype, 12853c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org bool read_only_prototype) { 12863c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org Handle<Map> map = read_only_prototype 12873c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org ? isolate()->sloppy_function_with_readonly_prototype_map() 12883c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org : isolate()->sloppy_function_map(); 12893c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org Handle<JSFunction> result = NewFunction(map, name, code); 12905924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org result->set_prototype_or_initial_map(*prototype); 12915924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org return result; 12925924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org} 12935924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org 12945924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org 12953c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.orgHandle<JSFunction> Factory::NewFunction(Handle<String> name, 12963c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org Handle<Code> code, 12973c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org Handle<Object> prototype, 129843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen InstanceType type, 129943d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen int instance_size, 13003c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org bool read_only_prototype) { 130143d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen // Allocate the function 13023c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org Handle<JSFunction> function = NewFunction( 13033c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org name, code, prototype, read_only_prototype); 13043c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org 13053c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org Handle<Map> initial_map = NewMap( 13063c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org type, instance_size, GetInitialFastElementsKind()); 13073c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org if (prototype->IsTheHole() && !function->shared()->is_generator()) { 13083c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org prototype = NewFunctionPrototype(function); 130943d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen } 13108640107360766c74218cf16d51b714b1f2138839machenbach@chromium.org 131131c0e32e19ad3df48525fa9e7b2d1c0c07496d00machenbach@chromium.org JSFunction::SetInitialMap(function, initial_map, 131231c0e32e19ad3df48525fa9e7b2d1c0c07496d00machenbach@chromium.org Handle<JSReceiver>::cast(prototype)); 131343d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 131443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen return function; 131543d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 131643d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 131743d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 1318a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.orgHandle<JSFunction> Factory::NewFunction(Handle<String> name, 1319a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org Handle<Code> code, 13203c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org InstanceType type, 13213c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org int instance_size) { 13223c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org return NewFunction(name, code, the_hole_value(), type, instance_size); 132343d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 132443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 13259bbf968a649030335309265ba2c98fcc36aeb762kasperl@chromium.org 13265924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.orgHandle<JSObject> Factory::NewFunctionPrototype(Handle<JSFunction> function) { 13275924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org // Make sure to use globals from the function's context, since the function 13285924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org // can be from a different context. 13295924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org Handle<Context> native_context(function->context()->native_context()); 13305924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org Handle<Map> new_map; 13315924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org if (function->shared()->is_generator()) { 13325924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org // Generator prototypes can share maps since they don't have "constructor" 13335924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org // properties. 13345924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org new_map = handle(native_context->generator_object_prototype_map()); 13355924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org } else { 13365924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org // Each function prototype gets a fresh map to avoid unwanted sharing of 13375924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org // maps between prototypes of different constructors. 13385924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org Handle<JSFunction> object_function(native_context->object_function()); 1339e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(object_function->has_initial_map()); 13408640107360766c74218cf16d51b714b1f2138839machenbach@chromium.org new_map = handle(object_function->initial_map()); 13415924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org } 13425924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org 134331c0e32e19ad3df48525fa9e7b2d1c0c07496d00machenbach@chromium.org DCHECK(!new_map->is_prototype_map()); 13445924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org Handle<JSObject> prototype = NewJSObjectFromMap(new_map); 13455924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org 13465924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org if (!function->shared()->is_generator()) { 13475de0074a922429f5e0ec2cf140c2d2989bf88140yangguo@chromium.org JSObject::AddProperty(prototype, constructor_string(), function, DONT_ENUM); 13485924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org } 13495924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org 13505924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org return prototype; 13515924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org} 13525924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org 13535924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org 13545924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.orgHandle<JSFunction> Factory::NewFunctionFromSharedFunctionInfo( 13555924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org Handle<SharedFunctionInfo> info, 13565924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org Handle<Context> context, 13575924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org PretenureFlag pretenure) { 13582c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.org int map_index = Context::FunctionMapIndex(info->strict_mode(), info->kind()); 13595924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org Handle<Map> map(Map::cast(context->native_context()->get(map_index))); 13605924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org Handle<JSFunction> result = NewFunction(map, info, context, pretenure); 13615924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org 13625924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org if (info->ic_age() != isolate()->heap()->global_ic_age()) { 13635924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org info->ResetForNewContext(isolate()->heap()->global_ic_age()); 13645924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org } 13655924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org 13665924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org int index = info->SearchOptimizedCodeMap(context->native_context(), 13675924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org BailoutId::None()); 13685924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org if (!info->bound() && index < 0) { 13695924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org int number_of_literals = info->num_literals(); 13705924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org Handle<FixedArray> literals = NewFixedArray(number_of_literals, pretenure); 13715924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org if (number_of_literals > 0) { 13725924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org // Store the native context in the literals array prefix. This 13735924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org // context will be used when creating object, regexp and array 13745924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org // literals in this function. 13755924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org literals->set(JSFunction::kLiteralNativeContextIndex, 13765924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org context->native_context()); 13775924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org } 13785924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org result->set_literals(*literals); 13795924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org } 13805924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org 13815924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org if (index > 0) { 13825924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org // Caching of optimized code enabled and optimized code found. 13835924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org FixedArray* literals = info->GetLiteralsFromOptimizedCodeMap(index); 13845924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org if (literals != NULL) result->set_literals(literals); 13855924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org Code* code = info->GetCodeFromOptimizedCodeMap(index); 1386e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(!code->marked_for_deoptimization()); 13875924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org result->ReplaceCode(code); 13885924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org return result; 13895924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org } 13905924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org 13915924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org if (isolate()->use_crankshaft() && 13925924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org FLAG_always_opt && 13935924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org result->is_compiled() && 13945924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org !info->is_toplevel() && 13955924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org info->allows_lazy_compilation() && 13965924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org !info->optimization_disabled() && 13975924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org !isolate()->DebuggerHasBreakPoints()) { 13985924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org result->MarkForOptimization(); 13995924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org } 14005924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org return result; 14015924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org} 14025924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org 14035924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org 1404c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.orgHandle<ScopeInfo> Factory::NewScopeInfo(int length) { 14059e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org Handle<FixedArray> array = NewFixedArray(length, TENURED); 14069e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org array->set_map_no_write_barrier(*scope_info_map()); 14079e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org Handle<ScopeInfo> scope_info = Handle<ScopeInfo>::cast(array); 14089e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org return scope_info; 14094acdc2c8d4caecf7606db8af710366c1d6e28fe5whesse@chromium.org} 14104acdc2c8d4caecf7606db8af710366c1d6e28fe5whesse@chromium.org 14114acdc2c8d4caecf7606db8af710366c1d6e28fe5whesse@chromium.org 1412eeb44b681a16e45f1415dfacff0ba3dba9de5d8cyangguo@chromium.orgHandle<JSObject> Factory::NewExternal(void* value) { 14139e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org Handle<Foreign> foreign = NewForeign(static_cast<Address>(value)); 14149e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org Handle<JSObject> external = NewJSObjectFromMap(external_map()); 14159e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org external->SetInternalField(0, *foreign); 14169e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org return external; 1417eeb44b681a16e45f1415dfacff0ba3dba9de5d8cyangguo@chromium.org} 1418eeb44b681a16e45f1415dfacff0ba3dba9de5d8cyangguo@chromium.org 1419eeb44b681a16e45f1415dfacff0ba3dba9de5d8cyangguo@chromium.org 14203484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.orgHandle<Code> Factory::NewCodeRaw(int object_size, bool immovable) { 14213484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org CALL_HEAP_FUNCTION(isolate(), 14223484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org isolate()->heap()->AllocateCode(object_size, immovable), 14239fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org Code); 14249fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org} 14259fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org 14269fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org 142771affb54842da76b24f0bb3184e9f0960523f89dkasperl@chromium.orgHandle<Code> Factory::NewCode(const CodeDesc& desc, 142871affb54842da76b24f0bb3184e9f0960523f89dkasperl@chromium.org Code::Flags flags, 14294d3fe4e246b0312eba361689f288ddf8dd516960danno@chromium.org Handle<Object> self_ref, 1430b228be01a466e0ba4d8389148671d196b2081f76mstarzinger@chromium.org bool immovable, 1431c9913f099d68d3604e53b19d0fc5abe309143bdcbmeurer@chromium.org bool crankshafted, 1432a3b66334e4dd35d9d4874d275ef9c4a756f0225cmachenbach@chromium.org int prologue_offset, 1433a3b66334e4dd35d9d4874d275ef9c4a756f0225cmachenbach@chromium.org bool is_debug) { 14349fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org Handle<ByteArray> reloc_info = NewByteArray(desc.reloc_size, TENURED); 14359fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org Handle<ConstantPoolArray> constant_pool = 14369fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org desc.origin->NewConstantPool(isolate()); 14379fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org 14389fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org // Compute size. 14399fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org int body_size = RoundUp(desc.instr_size, kObjectAlignment); 14409fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org int obj_size = Code::SizeFor(body_size); 14419fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org 14423484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org Handle<Code> code = NewCodeRaw(obj_size, immovable); 1443e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(isolate()->code_range() == NULL || 14441845eb0120c7a870d7388de091246a7d1b48a4f8machenbach@chromium.org !isolate()->code_range()->valid() || 14459fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org isolate()->code_range()->contains(code->address())); 14469fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org 14479fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org // The code object has not been fully initialized yet. We rely on the 14489fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org // fact that no allocation will happen from this point on. 14499fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org DisallowHeapAllocation no_gc; 14509fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org code->set_gc_metadata(Smi::FromInt(0)); 14519fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org code->set_ic_age(isolate()->heap()->global_ic_age()); 14529fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org code->set_instruction_size(desc.instr_size); 14539fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org code->set_relocation_info(*reloc_info); 14549fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org code->set_flags(flags); 14559fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org code->set_raw_kind_specific_flags1(0); 14569fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org code->set_raw_kind_specific_flags2(0); 14579fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org code->set_is_crankshafted(crankshafted); 14589fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org code->set_deoptimization_data(*empty_fixed_array(), SKIP_WRITE_BARRIER); 14599d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org code->set_raw_type_feedback_info(Smi::FromInt(0)); 14609fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org code->set_next_code_link(*undefined_value()); 14619fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org code->set_handler_table(*empty_fixed_array(), SKIP_WRITE_BARRIER); 14629fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org code->set_prologue_offset(prologue_offset); 14639fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org if (code->kind() == Code::OPTIMIZED_FUNCTION) { 14649fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org code->set_marked_for_deoptimization(false); 14659fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org } 14669fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org 1467a3b66334e4dd35d9d4874d275ef9c4a756f0225cmachenbach@chromium.org if (is_debug) { 1468e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(code->kind() == Code::FUNCTION); 1469a3b66334e4dd35d9d4874d275ef9c4a756f0225cmachenbach@chromium.org code->set_has_debug_break_slots(true); 1470a3b66334e4dd35d9d4874d275ef9c4a756f0225cmachenbach@chromium.org } 1471a3b66334e4dd35d9d4874d275ef9c4a756f0225cmachenbach@chromium.org 14729fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org desc.origin->PopulateConstantPool(*constant_pool); 14739fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org code->set_constant_pool(*constant_pool); 14749fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org 14759fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org // Allow self references to created code object by patching the handle to 14769fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org // point to the newly allocated Code object. 14779fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org if (!self_ref.is_null()) *(self_ref.location()) = *code; 14789fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org 14799fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org // Migrate generated code. 14809fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org // The generated code can contain Object** values (typically from handles) 14819fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org // that are dereferenced during the copy to point directly to the actual heap 14829fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org // objects. These pointers can include references to the code object itself, 14839fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org // through the self_reference parameter. 14849fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org code->CopyFrom(desc); 14859fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org 14869fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org#ifdef VERIFY_HEAP 1487a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org if (FLAG_verify_heap) code->ObjectVerify(); 14889fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org#endif 14899fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org return code; 149043d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 149143d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 149243d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 149343d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansenHandle<Code> Factory::CopyCode(Handle<Code> code) { 1494ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org CALL_HEAP_FUNCTION(isolate(), 1495ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org isolate()->heap()->CopyCode(*code), 1496ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org Code); 149743d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 149843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 149943d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 1500086aac6d6268988582d3b5b0aa8d24f61ddc1f1ffschneider@chromium.orgHandle<Code> Factory::CopyCode(Handle<Code> code, Vector<byte> reloc_info) { 1501ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org CALL_HEAP_FUNCTION(isolate(), 1502ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org isolate()->heap()->CopyCode(*code, reloc_info), 1503ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org Code); 1504086aac6d6268988582d3b5b0aa8d24f61ddc1f1ffschneider@chromium.org} 1505086aac6d6268988582d3b5b0aa8d24f61ddc1f1ffschneider@chromium.org 1506086aac6d6268988582d3b5b0aa8d24f61ddc1f1ffschneider@chromium.org 150743d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansenHandle<JSObject> Factory::NewJSObject(Handle<JSFunction> constructor, 150843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen PretenureFlag pretenure) { 1509057bd50c2c2d15923523777a296cddee5c8ba63bverwaest@chromium.org JSFunction::EnsureHasInitialMap(constructor); 1510ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org CALL_HEAP_FUNCTION( 1511ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org isolate(), 1512ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org isolate()->heap()->AllocateJSObject(*constructor, pretenure), JSObject); 151343d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 151443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 151543d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 151669f64b1a8bfa6f5418b7c1f71d4e0833f76e93edmachenbach@chromium.orgHandle<JSObject> Factory::NewJSObjectWithMemento( 151769f64b1a8bfa6f5418b7c1f71d4e0833f76e93edmachenbach@chromium.org Handle<JSFunction> constructor, 151869f64b1a8bfa6f5418b7c1f71d4e0833f76e93edmachenbach@chromium.org Handle<AllocationSite> site) { 151969f64b1a8bfa6f5418b7c1f71d4e0833f76e93edmachenbach@chromium.org JSFunction::EnsureHasInitialMap(constructor); 152069f64b1a8bfa6f5418b7c1f71d4e0833f76e93edmachenbach@chromium.org CALL_HEAP_FUNCTION( 152169f64b1a8bfa6f5418b7c1f71d4e0833f76e93edmachenbach@chromium.org isolate(), 152269f64b1a8bfa6f5418b7c1f71d4e0833f76e93edmachenbach@chromium.org isolate()->heap()->AllocateJSObject(*constructor, NOT_TENURED, *site), 152369f64b1a8bfa6f5418b7c1f71d4e0833f76e93edmachenbach@chromium.org JSObject); 152469f64b1a8bfa6f5418b7c1f71d4e0833f76e93edmachenbach@chromium.org} 152569f64b1a8bfa6f5418b7c1f71d4e0833f76e93edmachenbach@chromium.org 152669f64b1a8bfa6f5418b7c1f71d4e0833f76e93edmachenbach@chromium.org 152781cac2ba397bd57f2967c8b4b677bef08a869991danno@chromium.orgHandle<JSModule> Factory::NewJSModule(Handle<Context> context, 152881cac2ba397bd57f2967c8b4b677bef08a869991danno@chromium.org Handle<ScopeInfo> scope_info) { 15299e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org // Allocate a fresh map. Modules do not have a prototype. 15309e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org Handle<Map> map = NewMap(JS_MODULE_TYPE, JSModule::kSize); 15319e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org // Allocate the object based on the map. 15329e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org Handle<JSModule> module = 15339e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org Handle<JSModule>::cast(NewJSObjectFromMap(map, TENURED)); 15349e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org module->set_context(*context); 15359e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org module->set_scope_info(*scope_info); 15369e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org return module; 1537ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com} 1538ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com 1539ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com 154071f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.orgHandle<GlobalObject> Factory::NewGlobalObject(Handle<JSFunction> constructor) { 1541e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(constructor->has_initial_map()); 154271f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org Handle<Map> map(constructor->initial_map()); 1543e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(map->is_dictionary_map()); 154471f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org 154571f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org // Make sure no field properties are described in the initial map. 154671f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org // This guarantees us that normalizing the properties does not 154771f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org // require us to change property values to PropertyCells. 1548e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(map->NextFreePropertyIndex() == 0); 154971f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org 155071f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org // Make sure we don't have a ton of pre-allocated slots in the 155171f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org // global objects. They will be unused once we normalize the object. 1552e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(map->unused_property_fields() == 0); 1553e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(map->inobject_properties() == 0); 155471f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org 155571f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org // Initial size of the backing store to avoid resize of the storage during 155671f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org // bootstrapping. The size differs between the JS global object ad the 155771f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org // builtins object. 155871f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org int initial_size = map->instance_type() == JS_GLOBAL_OBJECT_TYPE ? 64 : 512; 155971f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org 156071f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org // Allocate a dictionary object for backing storage. 156171f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org int at_least_space_for = map->NumberOfOwnDescriptors() * 2 + initial_size; 1562865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org Handle<NameDictionary> dictionary = 1563865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org NameDictionary::New(isolate(), at_least_space_for); 156471f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org 156571f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org // The global object might be created from an object template with accessors. 156671f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org // Fill these accessors into the dictionary. 156771f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org Handle<DescriptorArray> descs(map->instance_descriptors()); 156871f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org for (int i = 0; i < map->NumberOfOwnDescriptors(); i++) { 156971f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org PropertyDetails details = descs->GetDetails(i); 1570e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(details.type() == CALLBACKS); // Only accessors are expected. 157171f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org PropertyDetails d = PropertyDetails(details.attributes(), CALLBACKS, i + 1); 157271f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org Handle<Name> name(descs->GetKey(i)); 157371f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org Handle<Object> value(descs->GetCallbacksObject(i), isolate()); 157471f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org Handle<PropertyCell> cell = NewPropertyCell(value); 1575f2f0489407bbb5e50d16ae791442df29513b53b5machenbach@chromium.org // |dictionary| already contains enough space for all properties. 1576f2f0489407bbb5e50d16ae791442df29513b53b5machenbach@chromium.org USE(NameDictionary::Add(dictionary, name, cell, d)); 157771f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org } 157871f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org 157971f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org // Allocate the global object and initialize it with the backing store. 1580e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org Handle<GlobalObject> global = New<GlobalObject>(map, OLD_POINTER_SPACE); 158171f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org isolate()->heap()->InitializeJSObjectFromMap(*global, *dictionary, *map); 158271f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org 158371f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org // Create a new map for the global object. 158471f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org Handle<Map> new_map = Map::CopyDropDescriptors(map); 158571f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org new_map->set_dictionary_map(true); 158671f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org 158771f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org // Set up the global object as a normalized object. 158871f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org global->set_map(*new_map); 158971f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org global->set_properties(*dictionary); 159071f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org 159171f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org // Make sure result is a global object with properties in dictionary. 1592e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(global->IsGlobalObject() && !global->HasFastProperties()); 159371f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org return global; 159471f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org} 159571f9fca5cfb606009211e0631f33b76cc2ddce3cbmeurer@chromium.org 15962abc450936e88b5c98a5e9d43ee6230ccc748272kasperl@chromium.org 15972904d1a42292be3056c2dd3f98822f8e1470fa72machenbach@chromium.orgHandle<JSObject> Factory::NewJSObjectFromMap( 15982904d1a42292be3056c2dd3f98822f8e1470fa72machenbach@chromium.org Handle<Map> map, 15992904d1a42292be3056c2dd3f98822f8e1470fa72machenbach@chromium.org PretenureFlag pretenure, 16002904d1a42292be3056c2dd3f98822f8e1470fa72machenbach@chromium.org bool alloc_props, 16012904d1a42292be3056c2dd3f98822f8e1470fa72machenbach@chromium.org Handle<AllocationSite> allocation_site) { 1602ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org CALL_HEAP_FUNCTION( 1603ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org isolate(), 16042904d1a42292be3056c2dd3f98822f8e1470fa72machenbach@chromium.org isolate()->heap()->AllocateJSObjectFromMap( 16052904d1a42292be3056c2dd3f98822f8e1470fa72machenbach@chromium.org *map, 16062904d1a42292be3056c2dd3f98822f8e1470fa72machenbach@chromium.org pretenure, 16072904d1a42292be3056c2dd3f98822f8e1470fa72machenbach@chromium.org alloc_props, 16082904d1a42292be3056c2dd3f98822f8e1470fa72machenbach@chromium.org allocation_site.is_null() ? NULL : *allocation_site), 1609ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org JSObject); 1610236ad9617a7359a463144a6ebeb5431a70f769cfager@chromium.org} 1611236ad9617a7359a463144a6ebeb5431a70f769cfager@chromium.org 1612236ad9617a7359a463144a6ebeb5431a70f769cfager@chromium.org 1613fa0c3c69b9d632e5730bdd9c745c375beef5e54dmachenbach@chromium.orgHandle<JSArray> Factory::NewJSArray(ElementsKind elements_kind, 161449ff8125753a4cb137f5e549671d42c7ca47ade5machenbach@chromium.org PretenureFlag pretenure) { 16159e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org Context* native_context = isolate()->context()->native_context(); 16169e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org JSFunction* array_function = native_context->array_function(); 16179e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org Map* map = array_function->initial_map(); 16189e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org Map* transition_map = isolate()->get_initial_js_array_map(elements_kind); 16199e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org if (transition_map != NULL) map = transition_map; 16209e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org return Handle<JSArray>::cast(NewJSObjectFromMap(handle(map), pretenure)); 162149ff8125753a4cb137f5e549671d42c7ca47ade5machenbach@chromium.org} 162249ff8125753a4cb137f5e549671d42c7ca47ade5machenbach@chromium.org 162349ff8125753a4cb137f5e549671d42c7ca47ade5machenbach@chromium.org 162449ff8125753a4cb137f5e549671d42c7ca47ade5machenbach@chromium.orgHandle<JSArray> Factory::NewJSArray(ElementsKind elements_kind, 1625fa0c3c69b9d632e5730bdd9c745c375beef5e54dmachenbach@chromium.org int length, 1626fa0c3c69b9d632e5730bdd9c745c375beef5e54dmachenbach@chromium.org int capacity, 1627c85dc10954aa3556a00b09b6d28cf2ebfcf528d8machenbach@chromium.org ArrayStorageAllocationMode mode, 162843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen PretenureFlag pretenure) { 16299e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org Handle<JSArray> array = NewJSArray(elements_kind, pretenure); 16309e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org NewJSArrayStorage(array, length, capacity, mode); 16319e41f9ecf5042292a9efcb36e264b37621199553machenbach@chromium.org return array; 163243d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 163343d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 163443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 163564e3a4be4a99f31920128de34573c8ac9038de42ricow@chromium.orgHandle<JSArray> Factory::NewJSArrayWithElements(Handle<FixedArrayBase> elements, 1636fa458e413c3e5b8d479e49258d060b7bb4567c57danno@chromium.org ElementsKind elements_kind, 1637fa0c3c69b9d632e5730bdd9c745c375beef5e54dmachenbach@chromium.org int length, 163843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen PretenureFlag pretenure) { 1639e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(length <= elements->length()); 1640e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org Handle<JSArray> array = NewJSArray(elements_kind, pretenure); 164149ff8125753a4cb137f5e549671d42c7ca47ade5machenbach@chromium.org 164249ff8125753a4cb137f5e549671d42c7ca47ade5machenbach@chromium.org array->set_elements(*elements); 164349ff8125753a4cb137f5e549671d42c7ca47ade5machenbach@chromium.org array->set_length(Smi::FromInt(length)); 164449ff8125753a4cb137f5e549671d42c7ca47ade5machenbach@chromium.org JSObject::ValidateElements(array); 164549ff8125753a4cb137f5e549671d42c7ca47ade5machenbach@chromium.org return array; 164643d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 164743d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 164843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 16492904d1a42292be3056c2dd3f98822f8e1470fa72machenbach@chromium.orgvoid Factory::NewJSArrayStorage(Handle<JSArray> array, 1650c2e08d7d6b03e672e13fc3bf274a292009decce6machenbach@chromium.org int length, 1651c2e08d7d6b03e672e13fc3bf274a292009decce6machenbach@chromium.org int capacity, 1652c2e08d7d6b03e672e13fc3bf274a292009decce6machenbach@chromium.org ArrayStorageAllocationMode mode) { 1653e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(capacity >= length); 1654c2e08d7d6b03e672e13fc3bf274a292009decce6machenbach@chromium.org 1655c2e08d7d6b03e672e13fc3bf274a292009decce6machenbach@chromium.org if (capacity == 0) { 1656c2e08d7d6b03e672e13fc3bf274a292009decce6machenbach@chromium.org array->set_length(Smi::FromInt(0)); 1657c2e08d7d6b03e672e13fc3bf274a292009decce6machenbach@chromium.org array->set_elements(*empty_fixed_array()); 1658c2e08d7d6b03e672e13fc3bf274a292009decce6machenbach@chromium.org return; 1659c2e08d7d6b03e672e13fc3bf274a292009decce6machenbach@chromium.org } 1660c2e08d7d6b03e672e13fc3bf274a292009decce6machenbach@chromium.org 1661c2e08d7d6b03e672e13fc3bf274a292009decce6machenbach@chromium.org Handle<FixedArrayBase> elms; 1662c2e08d7d6b03e672e13fc3bf274a292009decce6machenbach@chromium.org ElementsKind elements_kind = array->GetElementsKind(); 1663c2e08d7d6b03e672e13fc3bf274a292009decce6machenbach@chromium.org if (IsFastDoubleElementsKind(elements_kind)) { 1664c2e08d7d6b03e672e13fc3bf274a292009decce6machenbach@chromium.org if (mode == DONT_INITIALIZE_ARRAY_ELEMENTS) { 1665c2e08d7d6b03e672e13fc3bf274a292009decce6machenbach@chromium.org elms = NewFixedDoubleArray(capacity); 1666c2e08d7d6b03e672e13fc3bf274a292009decce6machenbach@chromium.org } else { 1667e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(mode == INITIALIZE_ARRAY_ELEMENTS_WITH_HOLE); 1668c2e08d7d6b03e672e13fc3bf274a292009decce6machenbach@chromium.org elms = NewFixedDoubleArrayWithHoles(capacity); 1669c2e08d7d6b03e672e13fc3bf274a292009decce6machenbach@chromium.org } 1670c2e08d7d6b03e672e13fc3bf274a292009decce6machenbach@chromium.org } else { 1671e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(IsFastSmiOrObjectElementsKind(elements_kind)); 1672c2e08d7d6b03e672e13fc3bf274a292009decce6machenbach@chromium.org if (mode == DONT_INITIALIZE_ARRAY_ELEMENTS) { 1673c2e08d7d6b03e672e13fc3bf274a292009decce6machenbach@chromium.org elms = NewUninitializedFixedArray(capacity); 1674c2e08d7d6b03e672e13fc3bf274a292009decce6machenbach@chromium.org } else { 1675e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(mode == INITIALIZE_ARRAY_ELEMENTS_WITH_HOLE); 1676c2e08d7d6b03e672e13fc3bf274a292009decce6machenbach@chromium.org elms = NewFixedArrayWithHoles(capacity); 1677c2e08d7d6b03e672e13fc3bf274a292009decce6machenbach@chromium.org } 1678c2e08d7d6b03e672e13fc3bf274a292009decce6machenbach@chromium.org } 1679c2e08d7d6b03e672e13fc3bf274a292009decce6machenbach@chromium.org 1680c2e08d7d6b03e672e13fc3bf274a292009decce6machenbach@chromium.org array->set_elements(*elms); 1681c2e08d7d6b03e672e13fc3bf274a292009decce6machenbach@chromium.org array->set_length(Smi::FromInt(length)); 16822904d1a42292be3056c2dd3f98822f8e1470fa72machenbach@chromium.org} 16832904d1a42292be3056c2dd3f98822f8e1470fa72machenbach@chromium.org 16842904d1a42292be3056c2dd3f98822f8e1470fa72machenbach@chromium.org 1685057bd50c2c2d15923523777a296cddee5c8ba63bverwaest@chromium.orgHandle<JSGeneratorObject> Factory::NewJSGeneratorObject( 1686057bd50c2c2d15923523777a296cddee5c8ba63bverwaest@chromium.org Handle<JSFunction> function) { 1687e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(function->shared()->is_generator()); 1688057bd50c2c2d15923523777a296cddee5c8ba63bverwaest@chromium.org JSFunction::EnsureHasInitialMap(function); 1689057bd50c2c2d15923523777a296cddee5c8ba63bverwaest@chromium.org Handle<Map> map(function->initial_map()); 1690e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(map->instance_type() == JS_GENERATOR_OBJECT_TYPE); 1691057bd50c2c2d15923523777a296cddee5c8ba63bverwaest@chromium.org CALL_HEAP_FUNCTION( 1692057bd50c2c2d15923523777a296cddee5c8ba63bverwaest@chromium.org isolate(), 1693057bd50c2c2d15923523777a296cddee5c8ba63bverwaest@chromium.org isolate()->heap()->AllocateJSObjectFromMap(*map), 1694057bd50c2c2d15923523777a296cddee5c8ba63bverwaest@chromium.org JSGeneratorObject); 1695057bd50c2c2d15923523777a296cddee5c8ba63bverwaest@chromium.org} 1696057bd50c2c2d15923523777a296cddee5c8ba63bverwaest@chromium.org 1697057bd50c2c2d15923523777a296cddee5c8ba63bverwaest@chromium.org 1698ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.orgHandle<JSArrayBuffer> Factory::NewJSArrayBuffer() { 16996b37f82c80d35e427dff21ff88b4f97df19f87c2dslomov@chromium.org Handle<JSFunction> array_buffer_fun( 170058a725587734a6889c689668fd01f0157ed749a6machenbach@chromium.org isolate()->native_context()->array_buffer_fun()); 1701ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org CALL_HEAP_FUNCTION( 1702ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org isolate(), 17036b37f82c80d35e427dff21ff88b4f97df19f87c2dslomov@chromium.org isolate()->heap()->AllocateJSObject(*array_buffer_fun), 1704ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org JSArrayBuffer); 1705ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org} 1706ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org 1707ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org 17081510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgHandle<JSDataView> Factory::NewJSDataView() { 17096b37f82c80d35e427dff21ff88b4f97df19f87c2dslomov@chromium.org Handle<JSFunction> data_view_fun( 171058a725587734a6889c689668fd01f0157ed749a6machenbach@chromium.org isolate()->native_context()->data_view_fun()); 17111510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org CALL_HEAP_FUNCTION( 17121510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org isolate(), 17136b37f82c80d35e427dff21ff88b4f97df19f87c2dslomov@chromium.org isolate()->heap()->AllocateJSObject(*data_view_fun), 17141510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org JSDataView); 17151510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org} 17161510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org 17171510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org 17186b37f82c80d35e427dff21ff88b4f97df19f87c2dslomov@chromium.orgstatic JSFunction* GetTypedArrayFun(ExternalArrayType type, 17196b37f82c80d35e427dff21ff88b4f97df19f87c2dslomov@chromium.org Isolate* isolate) { 17206b37f82c80d35e427dff21ff88b4f97df19f87c2dslomov@chromium.org Context* native_context = isolate->context()->native_context(); 1721f005df6c3232e65028420519fbab7284bc9b33aedanno@chromium.org switch (type) { 1722af4fba3c6d2a18866505de3e6798757dd1448c6dmachenbach@chromium.org#define TYPED_ARRAY_FUN(Type, type, TYPE, ctype, size) \ 1723af4fba3c6d2a18866505de3e6798757dd1448c6dmachenbach@chromium.org case kExternal##Type##Array: \ 1724af4fba3c6d2a18866505de3e6798757dd1448c6dmachenbach@chromium.org return native_context->type##_array_fun(); 1725f005df6c3232e65028420519fbab7284bc9b33aedanno@chromium.org 1726af4fba3c6d2a18866505de3e6798757dd1448c6dmachenbach@chromium.org TYPED_ARRAYS(TYPED_ARRAY_FUN) 1727af4fba3c6d2a18866505de3e6798757dd1448c6dmachenbach@chromium.org#undef TYPED_ARRAY_FUN 172857ff881caeb2e15b46ac9e4dfc00e378f7c5f929ulan@chromium.org 1729f005df6c3232e65028420519fbab7284bc9b33aedanno@chromium.org default: 1730f005df6c3232e65028420519fbab7284bc9b33aedanno@chromium.org UNREACHABLE(); 17316b37f82c80d35e427dff21ff88b4f97df19f87c2dslomov@chromium.org return NULL; 1732f005df6c3232e65028420519fbab7284bc9b33aedanno@chromium.org } 17336b37f82c80d35e427dff21ff88b4f97df19f87c2dslomov@chromium.org} 17346b37f82c80d35e427dff21ff88b4f97df19f87c2dslomov@chromium.org 17356b37f82c80d35e427dff21ff88b4f97df19f87c2dslomov@chromium.org 17366b37f82c80d35e427dff21ff88b4f97df19f87c2dslomov@chromium.orgHandle<JSTypedArray> Factory::NewJSTypedArray(ExternalArrayType type) { 17376b37f82c80d35e427dff21ff88b4f97df19f87c2dslomov@chromium.org Handle<JSFunction> typed_array_fun_handle(GetTypedArrayFun(type, isolate())); 1738f005df6c3232e65028420519fbab7284bc9b33aedanno@chromium.org 1739f005df6c3232e65028420519fbab7284bc9b33aedanno@chromium.org CALL_HEAP_FUNCTION( 1740f005df6c3232e65028420519fbab7284bc9b33aedanno@chromium.org isolate(), 17416b37f82c80d35e427dff21ff88b4f97df19f87c2dslomov@chromium.org isolate()->heap()->AllocateJSObject(*typed_array_fun_handle), 1742f005df6c3232e65028420519fbab7284bc9b33aedanno@chromium.org JSTypedArray); 1743f005df6c3232e65028420519fbab7284bc9b33aedanno@chromium.org} 1744f005df6c3232e65028420519fbab7284bc9b33aedanno@chromium.org 1745f005df6c3232e65028420519fbab7284bc9b33aedanno@chromium.org 17467304bcac06a6a63b9f3dcebac2eeceada87ca146vegorov@chromium.orgHandle<JSProxy> Factory::NewJSProxy(Handle<Object> handler, 17477304bcac06a6a63b9f3dcebac2eeceada87ca146vegorov@chromium.org Handle<Object> prototype) { 17489fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org // Allocate map. 17499fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org // TODO(rossberg): Once we optimize proxies, think about a scheme to share 17509fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org // maps. Will probably depend on the identity of the handler object, too. 17519fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org Handle<Map> map = NewMap(JS_PROXY_TYPE, JSProxy::kSize); 17529fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org map->set_prototype(*prototype); 17539fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org 17549fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org // Allocate the proxy object. 17559fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org Handle<JSProxy> result = New<JSProxy>(map, NEW_SPACE); 17569fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org result->InitializeBody(map->instance_size(), Smi::FromInt(0)); 17579fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org result->set_handler(*handler); 17589fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org result->set_hash(*undefined_value(), SKIP_WRITE_BARRIER); 17599fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org return result; 17607304bcac06a6a63b9f3dcebac2eeceada87ca146vegorov@chromium.org} 17617304bcac06a6a63b9f3dcebac2eeceada87ca146vegorov@chromium.org 17627304bcac06a6a63b9f3dcebac2eeceada87ca146vegorov@chromium.org 1763e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.orgHandle<JSProxy> Factory::NewJSFunctionProxy(Handle<Object> handler, 1764e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org Handle<Object> call_trap, 1765e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org Handle<Object> construct_trap, 1766e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org Handle<Object> prototype) { 17679fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org // Allocate map. 17689fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org // TODO(rossberg): Once we optimize proxies, think about a scheme to share 17699fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org // maps. Will probably depend on the identity of the handler object, too. 17709fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org Handle<Map> map = NewMap(JS_FUNCTION_PROXY_TYPE, JSFunctionProxy::kSize); 17719fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org map->set_prototype(*prototype); 17729fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org 17739fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org // Allocate the proxy object. 17749fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org Handle<JSFunctionProxy> result = New<JSFunctionProxy>(map, NEW_SPACE); 17759fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org result->InitializeBody(map->instance_size(), Smi::FromInt(0)); 17769fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org result->set_handler(*handler); 17779fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org result->set_hash(*undefined_value(), SKIP_WRITE_BARRIER); 17789fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org result->set_call_trap(*call_trap); 17799fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org result->set_construct_trap(*construct_trap); 17809fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org return result; 1781e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org} 1782e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org 1783e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org 17845fc1eed70f85bd1e9d0833742945798d6ef49cf0machenbach@chromium.orgvoid Factory::ReinitializeJSProxy(Handle<JSProxy> proxy, InstanceType type, 17855fc1eed70f85bd1e9d0833742945798d6ef49cf0machenbach@chromium.org int size) { 17865fc1eed70f85bd1e9d0833742945798d6ef49cf0machenbach@chromium.org DCHECK(type == JS_OBJECT_TYPE || type == JS_FUNCTION_TYPE); 1787e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org 1788e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org // Allocate fresh map. 1789e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org // TODO(rossberg): Once we optimize proxies, cache these maps. 1790e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org Handle<Map> map = NewMap(type, size); 1791e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org 1792e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org // Check that the receiver has at least the size of the fresh object. 17935fc1eed70f85bd1e9d0833742945798d6ef49cf0machenbach@chromium.org int size_difference = proxy->map()->instance_size() - map->instance_size(); 1794e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(size_difference >= 0); 1795e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org 17965fc1eed70f85bd1e9d0833742945798d6ef49cf0machenbach@chromium.org map->set_prototype(proxy->map()->prototype()); 1797e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org 1798e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org // Allocate the backing storage for the properties. 1799a70700b91bc28abeed6373b856017f7f9cc8273bmachenbach@chromium.org int prop_size = map->InitialPropertiesLength(); 1800e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org Handle<FixedArray> properties = NewFixedArray(prop_size, TENURED); 1801e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org 1802e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org Heap* heap = isolate()->heap(); 1803e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org MaybeHandle<SharedFunctionInfo> shared; 1804e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org if (type == JS_FUNCTION_TYPE) { 18052c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.org OneByteStringKey key(STATIC_CHAR_VECTOR("<freezing call trap>"), 1806e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org heap->HashSeed()); 1807e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org Handle<String> name = InternalizeStringWithKey(&key); 18083c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org shared = NewSharedFunctionInfo(name, MaybeHandle<Code>()); 1809e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org } 1810e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org 1811e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org // In order to keep heap in consistent state there must be no allocations 1812e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org // before object re-initialization is finished and filler object is installed. 1813e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org DisallowHeapAllocation no_allocation; 1814e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org 181508e7569a10f8edbb47b8fe70a6e160a4e0c9cd30machenbach@chromium.org // Put in filler if the new object is smaller than the old. 181608e7569a10f8edbb47b8fe70a6e160a4e0c9cd30machenbach@chromium.org if (size_difference > 0) { 18175fc1eed70f85bd1e9d0833742945798d6ef49cf0machenbach@chromium.org Address address = proxy->address(); 18182b995c4171e67960088466af11110c6f6aeea4fcmachenbach@chromium.org heap->CreateFillerObjectAt(address + map->instance_size(), size_difference); 181908e7569a10f8edbb47b8fe70a6e160a4e0c9cd30machenbach@chromium.org heap->AdjustLiveBytes(address, -size_difference, Heap::FROM_MUTATOR); 182008e7569a10f8edbb47b8fe70a6e160a4e0c9cd30machenbach@chromium.org } 182108e7569a10f8edbb47b8fe70a6e160a4e0c9cd30machenbach@chromium.org 1822e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org // Reset the map for the object. 18235fc1eed70f85bd1e9d0833742945798d6ef49cf0machenbach@chromium.org proxy->synchronized_set_map(*map); 18245fc1eed70f85bd1e9d0833742945798d6ef49cf0machenbach@chromium.org Handle<JSObject> jsobj = Handle<JSObject>::cast(proxy); 1825e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org 1826e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org // Reinitialize the object from the constructor map. 1827e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org heap->InitializeJSObjectFromMap(*jsobj, *properties, *map); 1828e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org 18295fc1eed70f85bd1e9d0833742945798d6ef49cf0machenbach@chromium.org // The current native context is used to set up certain bits. 18305fc1eed70f85bd1e9d0833742945798d6ef49cf0machenbach@chromium.org // TODO(adamk): Using the current context seems wrong, it should be whatever 18315fc1eed70f85bd1e9d0833742945798d6ef49cf0machenbach@chromium.org // context the JSProxy originated in. But that context isn't stored anywhere. 18325fc1eed70f85bd1e9d0833742945798d6ef49cf0machenbach@chromium.org Handle<Context> context(isolate()->native_context()); 18335fc1eed70f85bd1e9d0833742945798d6ef49cf0machenbach@chromium.org 1834e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org // Functions require some minimal initialization. 1835e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org if (type == JS_FUNCTION_TYPE) { 1836e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org map->set_function_with_prototype(true); 18375fc1eed70f85bd1e9d0833742945798d6ef49cf0machenbach@chromium.org Handle<JSFunction> js_function = Handle<JSFunction>::cast(proxy); 18385924917d324a643d00a8aefee030bd4acea0de0bmachenbach@chromium.org InitializeFunction(js_function, shared.ToHandleChecked(), context); 18395fc1eed70f85bd1e9d0833742945798d6ef49cf0machenbach@chromium.org } else { 18405fc1eed70f85bd1e9d0833742945798d6ef49cf0machenbach@chromium.org // Provide JSObjects with a constructor. 18415fc1eed70f85bd1e9d0833742945798d6ef49cf0machenbach@chromium.org map->set_constructor(context->object_function()); 1842e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org } 1843e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org} 1844e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org 1845e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org 1846e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.orgvoid Factory::ReinitializeJSGlobalProxy(Handle<JSGlobalProxy> object, 1847e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org Handle<JSFunction> constructor) { 1848e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(constructor->has_initial_map()); 1849e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org Handle<Map> map(constructor->initial_map(), isolate()); 1850e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org 185129699e37f62a9aa96c100f29bc8ea3668acff099machenbach@chromium.org // The proxy's hash should be retained across reinitialization. 185229699e37f62a9aa96c100f29bc8ea3668acff099machenbach@chromium.org Handle<Object> hash(object->hash(), isolate()); 185329699e37f62a9aa96c100f29bc8ea3668acff099machenbach@chromium.org 1854e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org // Check that the already allocated object has the same size and type as 1855e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org // objects allocated using the constructor. 1856e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(map->instance_size() == object->map()->instance_size()); 1857e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(map->instance_type() == object->map()->instance_type()); 1858e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org 1859e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org // Allocate the backing storage for the properties. 1860a70700b91bc28abeed6373b856017f7f9cc8273bmachenbach@chromium.org int prop_size = map->InitialPropertiesLength(); 1861e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org Handle<FixedArray> properties = NewFixedArray(prop_size, TENURED); 1862e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org 1863e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org // In order to keep heap in consistent state there must be no allocations 1864e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org // before object re-initialization is finished. 1865e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org DisallowHeapAllocation no_allocation; 1866e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org 1867e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org // Reset the map for the object. 186808e7569a10f8edbb47b8fe70a6e160a4e0c9cd30machenbach@chromium.org object->synchronized_set_map(*map); 1869e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org 1870e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org Heap* heap = isolate()->heap(); 1871e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org // Reinitialize the object from the constructor map. 1872e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org heap->InitializeJSObjectFromMap(*object, *properties, *map); 187329699e37f62a9aa96c100f29bc8ea3668acff099machenbach@chromium.org 187429699e37f62a9aa96c100f29bc8ea3668acff099machenbach@chromium.org // Restore the saved hash. 187529699e37f62a9aa96c100f29bc8ea3668acff099machenbach@chromium.org object->set_hash(*hash); 1876e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org} 1877e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org 1878e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org 18795fc1eed70f85bd1e9d0833742945798d6ef49cf0machenbach@chromium.orgvoid Factory::BecomeJSObject(Handle<JSProxy> proxy) { 18805fc1eed70f85bd1e9d0833742945798d6ef49cf0machenbach@chromium.org ReinitializeJSProxy(proxy, JS_OBJECT_TYPE, JSObject::kHeaderSize); 188134e60787ea1e76f3ee49e859f71f036170c21f0elrn@chromium.org} 188234e60787ea1e76f3ee49e859f71f036170c21f0elrn@chromium.org 188334e60787ea1e76f3ee49e859f71f036170c21f0elrn@chromium.org 18845fc1eed70f85bd1e9d0833742945798d6ef49cf0machenbach@chromium.orgvoid Factory::BecomeJSFunction(Handle<JSProxy> proxy) { 18855fc1eed70f85bd1e9d0833742945798d6ef49cf0machenbach@chromium.org ReinitializeJSProxy(proxy, JS_FUNCTION_TYPE, JSFunction::kSize); 1886717967fd64e99e759ff094df6f069440cc866266rossberg@chromium.org} 1887717967fd64e99e759ff094df6f069440cc866266rossberg@chromium.org 1888717967fd64e99e759ff094df6f069440cc866266rossberg@chromium.org 1889a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.orgHandle<TypeFeedbackVector> Factory::NewTypeFeedbackVector(int slot_count) { 1890a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org // Ensure we can skip the write barrier 1891e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK_EQ(isolate()->heap()->uninitialized_symbol(), 1892a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org *TypeFeedbackVector::UninitializedSentinel(isolate())); 1893a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org 1894a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org if (slot_count == 0) { 1895a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org return Handle<TypeFeedbackVector>::cast(empty_fixed_array()); 1896a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org } 1897a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org 1898a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org CALL_HEAP_FUNCTION(isolate(), 1899a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org isolate()->heap()->AllocateFixedArrayWithFiller( 1900a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org slot_count, TENURED, 1901a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org *TypeFeedbackVector::UninitializedSentinel(isolate())), 1902a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org TypeFeedbackVector); 1903a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org} 1904a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org 1905a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org 19065d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.orgHandle<SharedFunctionInfo> Factory::NewSharedFunctionInfo( 19072c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.org Handle<String> name, int number_of_literals, FunctionKind kind, 19082c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.org Handle<Code> code, Handle<ScopeInfo> scope_info, 1909a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org Handle<TypeFeedbackVector> feedback_vector) { 19102c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.org DCHECK(IsValidFunctionKind(kind)); 19113c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org Handle<SharedFunctionInfo> shared = NewSharedFunctionInfo(name, code); 19126a2b0aa331a1ae1829a9b9637ad18cfc7ec9d840ager@chromium.org shared->set_scope_info(*scope_info); 1913a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org shared->set_feedback_vector(*feedback_vector); 19142c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.org shared->set_kind(kind); 19155d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org int literals_array_size = number_of_literals; 19165d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org // If the function contains object, regexp or array literals, 19175d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org // allocate extra space for a literals array prefix containing the 19185d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org // context. 19195d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org if (number_of_literals > 0) { 19205d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org literals_array_size += JSFunction::kLiteralsPrefixSize; 19215d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org } 19225d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org shared->set_num_literals(literals_array_size); 19232c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.org if (IsGeneratorFunction(kind)) { 1924b228be01a466e0ba4d8389148671d196b2081f76mstarzinger@chromium.org shared->set_instance_class_name(isolate()->heap()->Generator_string()); 1925594006017e46d82ed7146611dc12c20e3c509c7ddanno@chromium.org shared->DisableOptimization(kGenerator); 1926b228be01a466e0ba4d8389148671d196b2081f76mstarzinger@chromium.org } 19275d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org return shared; 19285d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org} 19295d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org 19305d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org 193131b1277ec3b8cd17acb01c66d85a456159072157kmillikin@chromium.orgHandle<JSMessageObject> Factory::NewJSMessageObject( 193231b1277ec3b8cd17acb01c66d85a456159072157kmillikin@chromium.org Handle<String> type, 193331b1277ec3b8cd17acb01c66d85a456159072157kmillikin@chromium.org Handle<JSArray> arguments, 193431b1277ec3b8cd17acb01c66d85a456159072157kmillikin@chromium.org int start_position, 193531b1277ec3b8cd17acb01c66d85a456159072157kmillikin@chromium.org int end_position, 193631b1277ec3b8cd17acb01c66d85a456159072157kmillikin@chromium.org Handle<Object> script, 193731b1277ec3b8cd17acb01c66d85a456159072157kmillikin@chromium.org Handle<Object> stack_frames) { 19389fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org Handle<Map> map = message_object_map(); 19399fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org Handle<JSMessageObject> message = New<JSMessageObject>(map, NEW_SPACE); 19409fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org message->set_properties(*empty_fixed_array(), SKIP_WRITE_BARRIER); 19419fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org message->initialize_elements(); 19429fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org message->set_elements(*empty_fixed_array(), SKIP_WRITE_BARRIER); 19439fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org message->set_type(*type); 19449fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org message->set_arguments(*arguments); 19459fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org message->set_start_position(start_position); 19469fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org message->set_end_position(end_position); 19479fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org message->set_script(*script); 19489fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org message->set_stack_frames(*stack_frames); 19499fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org return message; 195031b1277ec3b8cd17acb01c66d85a456159072157kmillikin@chromium.org} 195131b1277ec3b8cd17acb01c66d85a456159072157kmillikin@chromium.org 1952e0e1b0d3e70c933d36ed381d511e9fda39f2a751mstarzinger@chromium.org 19533c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.orgHandle<SharedFunctionInfo> Factory::NewSharedFunctionInfo( 19543c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org Handle<String> name, 19553c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org MaybeHandle<Code> maybe_code) { 19569fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org Handle<Map> map = shared_function_info_map(); 19579fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org Handle<SharedFunctionInfo> share = New<SharedFunctionInfo>(map, 19589fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org OLD_POINTER_SPACE); 19599fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org 19609fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org // Set pointer fields. 19619fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org share->set_name(*name); 19623c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org Handle<Code> code; 19633c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org if (!maybe_code.ToHandle(&code)) { 19643c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org code = handle(isolate()->builtins()->builtin(Builtins::kIllegal)); 19653c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org } 19663c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org share->set_code(*code); 19679fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org share->set_optimized_code_map(Smi::FromInt(0)); 19689fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org share->set_scope_info(ScopeInfo::Empty(isolate())); 19699fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org Code* construct_stub = 19709fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org isolate()->builtins()->builtin(Builtins::kJSConstructStubGeneric); 19719fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org share->set_construct_stub(construct_stub); 19729fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org share->set_instance_class_name(*Object_string()); 19739fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org share->set_function_data(*undefined_value(), SKIP_WRITE_BARRIER); 19749fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org share->set_script(*undefined_value(), SKIP_WRITE_BARRIER); 19759fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org share->set_debug_info(*undefined_value(), SKIP_WRITE_BARRIER); 19769fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org share->set_inferred_name(*empty_string(), SKIP_WRITE_BARRIER); 1977a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org Handle<TypeFeedbackVector> feedback_vector = NewTypeFeedbackVector(0); 1978a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org share->set_feedback_vector(*feedback_vector, SKIP_WRITE_BARRIER); 19795aed4fc58b91cbb1ed563e2e07b74490ba953037ulan@chromium.org share->set_profiler_ticks(0); 19809fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org share->set_ast_node_count(0); 19819fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org share->set_counters(0); 19829fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org 19839fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org // Set integer fields (smi or int, depending on the architecture). 19849fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org share->set_length(0); 19859fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org share->set_formal_parameter_count(0); 19869fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org share->set_expected_nof_properties(0); 19879fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org share->set_num_literals(0); 19889fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org share->set_start_position_and_type(0); 19899fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org share->set_end_position(0); 19909fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org share->set_function_token_position(0); 19919fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org // All compiler hints default to false or 0. 19929fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org share->set_compiler_hints(0); 19939fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org share->set_opt_count_and_bailout_reason(0); 19949fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org 19959fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org return share; 19969fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org} 19979fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org 19989fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org 19999fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.orgstatic inline int NumberCacheHash(Handle<FixedArray> cache, 20009fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org Handle<Object> number) { 20019fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org int mask = (cache->length() >> 1) - 1; 20029fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org if (number->IsSmi()) { 20039fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org return Handle<Smi>::cast(number)->value() & mask; 20049fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org } else { 20059fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org DoubleRepresentation rep(number->Number()); 20069fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org return 20079fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org (static_cast<int>(rep.bits) ^ static_cast<int>(rep.bits >> 32)) & mask; 20089fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org } 20099fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org} 20109fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org 20119fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org 20129fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.orgHandle<Object> Factory::GetNumberStringCache(Handle<Object> number) { 20139fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org DisallowHeapAllocation no_gc; 20149fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org int hash = NumberCacheHash(number_string_cache(), number); 20159fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org Object* key = number_string_cache()->get(hash * 2); 20169fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org if (key == *number || (key->IsHeapNumber() && number->IsHeapNumber() && 20179fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org key->Number() == number->Number())) { 20189fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org return Handle<String>( 20199fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org String::cast(number_string_cache()->get(hash * 2 + 1)), isolate()); 20209fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org } 20219fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org return undefined_value(); 20229fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org} 20239fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org 20249fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org 20259fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.orgvoid Factory::SetNumberStringCache(Handle<Object> number, 20269fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org Handle<String> string) { 20279fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org int hash = NumberCacheHash(number_string_cache(), number); 20289fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org if (number_string_cache()->get(hash * 2) != *undefined_value()) { 20299fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org int full_size = isolate()->heap()->FullSizeNumberStringCacheLength(); 20309fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org if (number_string_cache()->length() != full_size) { 20319fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org // The first time we have a hash collision, we move to the full sized 20329fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org // number string cache. The idea is to have a small number string 20339fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org // cache in the snapshot to keep boot-time memory usage down. 20349fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org // If we expand the number string cache already while creating 20359fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org // the snapshot then that didn't work out. 2036e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(!isolate()->serializer_enabled() || FLAG_extra_code != NULL); 20379fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org Handle<FixedArray> new_cache = NewFixedArray(full_size, TENURED); 20389fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org isolate()->heap()->set_number_string_cache(*new_cache); 20399fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org return; 20409fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org } 20419fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org } 20429fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org number_string_cache()->set(hash * 2, *number); 20439fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org number_string_cache()->set(hash * 2 + 1, *string); 204443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 204543d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 204643d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 2047e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.orgHandle<String> Factory::NumberToString(Handle<Object> number, 2048e9fd6580f52407c94d77bfcb4be04207f2ebb2f1machenbach@chromium.org bool check_number_string_cache) { 20499fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org isolate()->counters()->number_to_string_runtime()->Increment(); 20509fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org if (check_number_string_cache) { 20519fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org Handle<Object> cached = GetNumberStringCache(number); 20529fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org if (!cached->IsUndefined()) return Handle<String>::cast(cached); 20539fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org } 2054c514574143c1bf74d4fb6e7dccb175fe9ff2f5d3sgjesse@chromium.org 20559fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org char arr[100]; 2056fa7f914e3bacba481b13da5cf2bc4c935567ebc4machenbach@chromium.org Vector<char> buffer(arr, arraysize(arr)); 20579fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org const char* str; 20589fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org if (number->IsSmi()) { 20599fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org int num = Handle<Smi>::cast(number)->value(); 20609fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org str = IntToCString(num, buffer); 20619fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org } else { 20629fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org double num = Handle<HeapNumber>::cast(number)->value(); 20639fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org str = DoubleToCString(num, buffer); 20649fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org } 2065c514574143c1bf74d4fb6e7dccb175fe9ff2f5d3sgjesse@chromium.org 20669fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org // We tenure the allocated string since it is referenced from the 20679fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org // number-string cache which lives in the old space. 20688496027a525ad457b6d5729faf41f29100a27264machenbach@chromium.org Handle<String> js_string = NewStringFromAsciiChecked(str, TENURED); 20699fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org SetNumberStringCache(number, js_string); 20709fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org return js_string; 2071c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com} 2072c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com 2073c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com 2074727e995b7bba3c57fb1e5c156d386ca11894f781vHandle<DebugInfo> Factory::NewDebugInfo(Handle<SharedFunctionInfo> shared) { 2075727e995b7bba3c57fb1e5c156d386ca11894f781v // Get the original code of the function. 2076727e995b7bba3c57fb1e5c156d386ca11894f781v Handle<Code> code(shared->code()); 2077727e995b7bba3c57fb1e5c156d386ca11894f781v 2078727e995b7bba3c57fb1e5c156d386ca11894f781v // Create a copy of the code before allocating the debug info object to avoid 2079727e995b7bba3c57fb1e5c156d386ca11894f781v // allocation while setting up the debug info object. 2080727e995b7bba3c57fb1e5c156d386ca11894f781v Handle<Code> original_code(*Factory::CopyCode(code)); 2081727e995b7bba3c57fb1e5c156d386ca11894f781v 2082727e995b7bba3c57fb1e5c156d386ca11894f781v // Allocate initial fixed array for active break points before allocating the 2083727e995b7bba3c57fb1e5c156d386ca11894f781v // debug info object to avoid allocation while setting up the debug info 2084727e995b7bba3c57fb1e5c156d386ca11894f781v // object. 2085727e995b7bba3c57fb1e5c156d386ca11894f781v Handle<FixedArray> break_points( 20868d8413cae4e7eb777aaed22e2901c19f8d5d1297machenbach@chromium.org NewFixedArray(DebugInfo::kEstimatedNofBreakPointsInFunction)); 2087727e995b7bba3c57fb1e5c156d386ca11894f781v 2088727e995b7bba3c57fb1e5c156d386ca11894f781v // Create and set up the debug info object. Debug info contains function, a 2089727e995b7bba3c57fb1e5c156d386ca11894f781v // copy of the original code, the executing code and initial fixed array for 2090727e995b7bba3c57fb1e5c156d386ca11894f781v // active break points. 2091727e995b7bba3c57fb1e5c156d386ca11894f781v Handle<DebugInfo> debug_info = 2092ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org Handle<DebugInfo>::cast(NewStruct(DEBUG_INFO_TYPE)); 2093727e995b7bba3c57fb1e5c156d386ca11894f781v debug_info->set_shared(*shared); 2094727e995b7bba3c57fb1e5c156d386ca11894f781v debug_info->set_original_code(*original_code); 2095727e995b7bba3c57fb1e5c156d386ca11894f781v debug_info->set_code(*code); 2096727e995b7bba3c57fb1e5c156d386ca11894f781v debug_info->set_break_points(*break_points); 2097727e995b7bba3c57fb1e5c156d386ca11894f781v 2098727e995b7bba3c57fb1e5c156d386ca11894f781v // Link debug info to function. 2099727e995b7bba3c57fb1e5c156d386ca11894f781v shared->set_debug_info(*debug_info); 2100727e995b7bba3c57fb1e5c156d386ca11894f781v 2101727e995b7bba3c57fb1e5c156d386ca11894f781v return debug_info; 2102727e995b7bba3c57fb1e5c156d386ca11894f781v} 2103727e995b7bba3c57fb1e5c156d386ca11894f781v 2104727e995b7bba3c57fb1e5c156d386ca11894f781v 2105f15d0cdbef11a212e108432465f014a7d3c3aa12machenbach@chromium.orgHandle<JSObject> Factory::NewArgumentsObject(Handle<JSFunction> callee, 210643d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen int length) { 2107f15d0cdbef11a212e108432465f014a7d3c3aa12machenbach@chromium.org bool strict_mode_callee = callee->shared()->strict_mode() == STRICT; 2108f15d0cdbef11a212e108432465f014a7d3c3aa12machenbach@chromium.org Handle<Map> map = strict_mode_callee ? isolate()->strict_arguments_map() 2109f15d0cdbef11a212e108432465f014a7d3c3aa12machenbach@chromium.org : isolate()->sloppy_arguments_map(); 2110f15d0cdbef11a212e108432465f014a7d3c3aa12machenbach@chromium.org 2111f15d0cdbef11a212e108432465f014a7d3c3aa12machenbach@chromium.org AllocationSiteUsageContext context(isolate(), Handle<AllocationSite>(), 2112f15d0cdbef11a212e108432465f014a7d3c3aa12machenbach@chromium.org false); 2113e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(!isolate()->has_pending_exception()); 2114f15d0cdbef11a212e108432465f014a7d3c3aa12machenbach@chromium.org Handle<JSObject> result = NewJSObjectFromMap(map); 2115f15d0cdbef11a212e108432465f014a7d3c3aa12machenbach@chromium.org Handle<Smi> value(Smi::FromInt(length), isolate()); 211651e852008f9f67dbdbae7a40b8aa07fe5c76b45fmachenbach@chromium.org Object::SetProperty(result, length_string(), value, STRICT).Assert(); 2117f15d0cdbef11a212e108432465f014a7d3c3aa12machenbach@chromium.org if (!strict_mode_callee) { 211851e852008f9f67dbdbae7a40b8aa07fe5c76b45fmachenbach@chromium.org Object::SetProperty(result, callee_string(), callee, STRICT).Assert(); 2119f15d0cdbef11a212e108432465f014a7d3c3aa12machenbach@chromium.org } 2120f15d0cdbef11a212e108432465f014a7d3c3aa12machenbach@chromium.org return result; 212143d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 212243d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 212343d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 212443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansenHandle<JSFunction> Factory::CreateApiFunction( 2125a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org Handle<FunctionTemplateInfo> obj, 2126a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org Handle<Object> prototype, 2127a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org ApiInstanceType instance_type) { 21287979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org Handle<Code> code = isolate()->builtins()->HandleApiCall(); 21297979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org Handle<Code> construct_stub = isolate()->builtins()->JSConstructStubApi(); 213043d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 21313c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org Handle<JSFunction> result; 21323c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org if (obj->remove_prototype()) { 21333c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org result = NewFunctionWithoutPrototype(empty_string(), code); 21343c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org } else { 21353c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org int internal_field_count = 0; 21363c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org if (!obj->instance_template()->IsUndefined()) { 21373c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org Handle<ObjectTemplateInfo> instance_template = 21383c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org Handle<ObjectTemplateInfo>( 21393c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org ObjectTemplateInfo::cast(obj->instance_template())); 21403c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org internal_field_count = 21413c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org Smi::cast(instance_template->internal_field_count())->value(); 21423c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org } 214343d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 21443c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org // TODO(svenpanne) Kill ApiInstanceType and refactor things by generalizing 21453c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org // JSObject::GetHeaderSize. 21463c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org int instance_size = kPointerSize * internal_field_count; 21473c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org InstanceType type; 21483c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org switch (instance_type) { 214958a725587734a6889c689668fd01f0157ed749a6machenbach@chromium.org case JavaScriptObjectType: 21503c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org type = JS_OBJECT_TYPE; 21513c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org instance_size += JSObject::kHeaderSize; 21523c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org break; 215358a725587734a6889c689668fd01f0157ed749a6machenbach@chromium.org case GlobalObjectType: 21543c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org type = JS_GLOBAL_OBJECT_TYPE; 21553c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org instance_size += JSGlobalObject::kSize; 21563c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org break; 215758a725587734a6889c689668fd01f0157ed749a6machenbach@chromium.org case GlobalProxyType: 21583c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org type = JS_GLOBAL_PROXY_TYPE; 21593c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org instance_size += JSGlobalProxy::kSize; 21603c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org break; 21613c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org default: 21623c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org UNREACHABLE(); 21633c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org type = JS_OBJECT_TYPE; // Keep the compiler happy. 21643c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org break; 21653c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org } 2166a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org 21673c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org result = NewFunction(empty_string(), code, prototype, type, 21683c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org instance_size, obj->read_only_prototype()); 21693c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org } 2170a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org 2171a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org result->shared()->set_length(obj->length()); 2172a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org Handle<Object> class_name(obj->class_name(), isolate()); 217343d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen if (class_name->IsString()) { 217443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen result->shared()->set_instance_class_name(*class_name); 217543d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen result->shared()->set_name(*class_name); 217643d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen } 2177a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org result->shared()->set_function_data(*obj); 2178a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org result->shared()->set_construct_stub(*construct_stub); 2179a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org result->shared()->DontAdaptArguments(); 2180a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org 2181a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org if (obj->remove_prototype()) { 2182e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(result->shared()->IsApiFunction()); 2183e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(!result->has_initial_map()); 2184e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(!result->has_prototype()); 2185a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org return result; 2186a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org } 21873c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org 21885de0074a922429f5e0ec2cf140c2d2989bf88140yangguo@chromium.org if (prototype->IsTheHole()) { 21895de0074a922429f5e0ec2cf140c2d2989bf88140yangguo@chromium.org#ifdef DEBUG 21905de0074a922429f5e0ec2cf140c2d2989bf88140yangguo@chromium.org LookupIterator it(handle(JSObject::cast(result->prototype())), 21919aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org constructor_string(), 21929aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org LookupIterator::OWN_SKIP_INTERCEPTOR); 21935de0074a922429f5e0ec2cf140c2d2989bf88140yangguo@chromium.org MaybeHandle<Object> maybe_prop = Object::GetProperty(&it); 2194e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(it.IsFound()); 2195e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(maybe_prop.ToHandleChecked().is_identical_to(result)); 21965de0074a922429f5e0ec2cf140c2d2989bf88140yangguo@chromium.org#endif 21975de0074a922429f5e0ec2cf140c2d2989bf88140yangguo@chromium.org } else { 21985de0074a922429f5e0ec2cf140c2d2989bf88140yangguo@chromium.org JSObject::AddProperty(handle(JSObject::cast(result->prototype())), 21995de0074a922429f5e0ec2cf140c2d2989bf88140yangguo@chromium.org constructor_string(), result, DONT_ENUM); 22005de0074a922429f5e0ec2cf140c2d2989bf88140yangguo@chromium.org } 22013c3c8d733702cb2b41471efa5eead1faf5b5711bmachenbach@chromium.org 2202a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org // Down from here is only valid for API functions that can be used as a 2203a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org // constructor (don't set the "remove prototype" flag). 220443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 2205a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org Handle<Map> map(result->initial_map()); 220643d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 220743d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen // Mark as undetectable if needed. 220843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen if (obj->undetectable()) { 220943d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen map->set_is_undetectable(); 221043d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen } 221143d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 221243d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen // Mark as hidden for the __proto__ accessor if needed. 221343d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen if (obj->hidden_prototype()) { 221443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen map->set_is_hidden_prototype(); 221543d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen } 221643d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 221743d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen // Mark as needs_access_check if needed. 221843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen if (obj->needs_access_check()) { 2219870a0b67c822d289024711912e2512af01b66c3bager@chromium.org map->set_is_access_check_needed(true); 222043d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen } 222143d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 222243d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen // Set interceptor information in the map. 222343d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen if (!obj->named_property_handler()->IsUndefined()) { 222443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen map->set_has_named_interceptor(); 222543d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen } 222643d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen if (!obj->indexed_property_handler()->IsUndefined()) { 222743d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen map->set_has_indexed_interceptor(); 222843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen } 222943d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 223043d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen // Set instance call-as-function information in the map. 223143d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen if (!obj->instance_call_handler()->IsUndefined()) { 223243d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen map->set_has_instance_call_handler(); 223343d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen } 223443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 22353d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org // Recursively copy parent instance templates' accessors, 22363d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org // 'data' may be modified. 223733e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org int max_number_of_additional_properties = 0; 22383d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org int max_number_of_static_properties = 0; 223933e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org FunctionTemplateInfo* info = *obj; 224033e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org while (true) { 22413d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org if (!info->instance_template()->IsUndefined()) { 22423d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org Object* props = 22433d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org ObjectTemplateInfo::cast( 22443d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org info->instance_template())->property_accessors(); 22453d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org if (!props->IsUndefined()) { 22463d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org Handle<Object> props_handle(props, isolate()); 22473d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org NeanderArray props_array(props_handle); 22483d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org max_number_of_additional_properties += props_array.length(); 22493d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org } 22503d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org } 22513d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org if (!info->property_accessors()->IsUndefined()) { 22523d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org Object* props = info->property_accessors(); 22533d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org if (!props->IsUndefined()) { 22543d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org Handle<Object> props_handle(props, isolate()); 22553d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org NeanderArray props_array(props_handle); 22563d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org max_number_of_static_properties += props_array.length(); 22573d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org } 225833e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org } 225933e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org Object* parent = info->parent_template(); 226033e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org if (parent->IsUndefined()) break; 226133e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org info = FunctionTemplateInfo::cast(parent); 226233e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org } 226333e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org 226433e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org Map::EnsureDescriptorSlack(map, max_number_of_additional_properties); 226533e09c8efd078308de3c77a88301566f65c07befverwaest@chromium.org 22663d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org // Use a temporary FixedArray to acculumate static accessors 22673d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org int valid_descriptors = 0; 22683d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org Handle<FixedArray> array; 22693d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org if (max_number_of_static_properties > 0) { 22703d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org array = NewFixedArray(max_number_of_static_properties); 22713d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org } 22723d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org 227343d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen while (true) { 22743d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org // Install instance descriptors 22753d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org if (!obj->instance_template()->IsUndefined()) { 22763d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org Handle<ObjectTemplateInfo> instance = 22773d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org Handle<ObjectTemplateInfo>( 22783d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org ObjectTemplateInfo::cast(obj->instance_template()), isolate()); 22793d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org Handle<Object> props = Handle<Object>(instance->property_accessors(), 22803d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org isolate()); 22813d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org if (!props->IsUndefined()) { 22823d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org Map::AppendCallbackDescriptors(map, props); 22833d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org } 22843d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org } 22853d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org // Accumulate static accessors 22863d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org if (!obj->property_accessors()->IsUndefined()) { 22873d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org Handle<Object> props = Handle<Object>(obj->property_accessors(), 22883d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org isolate()); 22893d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org valid_descriptors = 22903d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org AccessorInfo::AppendUnique(props, array, valid_descriptors); 229143d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen } 22923d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org // Climb parent chain 229309d7ab5aba54ebac170eac755664c45eefb0be7dulan@chromium.org Handle<Object> parent = Handle<Object>(obj->parent_template(), isolate()); 229443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen if (parent->IsUndefined()) break; 229543d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen obj = Handle<FunctionTemplateInfo>::cast(parent); 229643d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen } 229743d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 22983d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org // Install accumulated static accessors 22993d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org for (int i = 0; i < valid_descriptors; i++) { 23003d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org Handle<AccessorInfo> accessor(AccessorInfo::cast(array->get(i))); 23018496027a525ad457b6d5729faf41f29100a27264machenbach@chromium.org JSObject::SetAccessor(result, accessor).Assert(); 23023d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org } 23033d00d0a753cf5e5091f883517e6612ece769f999jkummerow@chromium.org 2304e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(result->shared()->IsApiFunction()); 230543d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen return result; 230643d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 230743d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 230843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 2309236ad9617a7359a463144a6ebeb5431a70f769cfager@chromium.orgHandle<MapCache> Factory::AddToMapCache(Handle<Context> context, 2310236ad9617a7359a463144a6ebeb5431a70f769cfager@chromium.org Handle<FixedArray> keys, 2311236ad9617a7359a463144a6ebeb5431a70f769cfager@chromium.org Handle<Map> map) { 23129fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org Handle<MapCache> map_cache = handle(MapCache::cast(context->map_cache())); 23139fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org Handle<MapCache> result = MapCache::Put(map_cache, keys, map); 23149fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org context->set_map_cache(*result); 23159fa619507474a4c1c21c6935b3209070bc13a218machenbach@chromium.org return result; 2316236ad9617a7359a463144a6ebeb5431a70f769cfager@chromium.org} 2317236ad9617a7359a463144a6ebeb5431a70f769cfager@chromium.org 2318236ad9617a7359a463144a6ebeb5431a70f769cfager@chromium.org 2319236ad9617a7359a463144a6ebeb5431a70f769cfager@chromium.orgHandle<Map> Factory::ObjectLiteralMapFromCache(Handle<Context> context, 2320236ad9617a7359a463144a6ebeb5431a70f769cfager@chromium.org Handle<FixedArray> keys) { 2321236ad9617a7359a463144a6ebeb5431a70f769cfager@chromium.org if (context->map_cache()->IsUndefined()) { 232246839fbbdee40a3d2d924e8b5b13c4139b0b24f2yangguo@chromium.org // Allocate the new map cache for the native context. 2323865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org Handle<MapCache> new_cache = MapCache::New(isolate(), 24); 2324236ad9617a7359a463144a6ebeb5431a70f769cfager@chromium.org context->set_map_cache(*new_cache); 2325236ad9617a7359a463144a6ebeb5431a70f769cfager@chromium.org } 23263291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org // Check to see whether there is a matching element in the cache. 2327236ad9617a7359a463144a6ebeb5431a70f769cfager@chromium.org Handle<MapCache> cache = 2328236ad9617a7359a463144a6ebeb5431a70f769cfager@chromium.org Handle<MapCache>(MapCache::cast(context->map_cache())); 2329fb37721ea34922d8758d5cb26ae465aaf241e6b6yangguo@chromium.org Handle<Object> result = Handle<Object>(cache->Lookup(*keys), isolate()); 2330236ad9617a7359a463144a6ebeb5431a70f769cfager@chromium.org if (result->IsMap()) return Handle<Map>::cast(result); 2331a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org int length = keys->length(); 2332a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org // Create a new map and add it to the cache. Reuse the initial map of the 2333a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org // Object function if the literal has no predeclared properties. 2334a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org Handle<Map> map = length == 0 2335a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org ? handle(context->object_function()->initial_map()) 2336a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org : Map::Create(isolate(), length); 2337236ad9617a7359a463144a6ebeb5431a70f769cfager@chromium.org AddToMapCache(context, keys, map); 23384edebd5691ee147fa134ad8aaf6cc3c939831b93machenbach@chromium.org return map; 2339236ad9617a7359a463144a6ebeb5431a70f769cfager@chromium.org} 2340236ad9617a7359a463144a6ebeb5431a70f769cfager@chromium.org 2341236ad9617a7359a463144a6ebeb5431a70f769cfager@chromium.org 23427be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.orgvoid Factory::SetRegExpAtomData(Handle<JSRegExp> regexp, 23437be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org JSRegExp::Type type, 23447be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org Handle<String> source, 23457be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org JSRegExp::Flags flags, 23467be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org Handle<Object> data) { 23477be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org Handle<FixedArray> store = NewFixedArray(JSRegExp::kAtomDataSize); 23487be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 23499fe21c6d4c657d15af27c8751257d3e2bf113e45kasperl@chromium.org store->set(JSRegExp::kTagIndex, Smi::FromInt(type)); 23509fe21c6d4c657d15af27c8751257d3e2bf113e45kasperl@chromium.org store->set(JSRegExp::kSourceIndex, *source); 23519fe21c6d4c657d15af27c8751257d3e2bf113e45kasperl@chromium.org store->set(JSRegExp::kFlagsIndex, Smi::FromInt(flags.value())); 23529fe21c6d4c657d15af27c8751257d3e2bf113e45kasperl@chromium.org store->set(JSRegExp::kAtomPatternIndex, *data); 23539fe21c6d4c657d15af27c8751257d3e2bf113e45kasperl@chromium.org regexp->set_data(*store); 23549fe21c6d4c657d15af27c8751257d3e2bf113e45kasperl@chromium.org} 23559fe21c6d4c657d15af27c8751257d3e2bf113e45kasperl@chromium.org 23567be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.orgvoid Factory::SetRegExpIrregexpData(Handle<JSRegExp> regexp, 23577be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org JSRegExp::Type type, 23587be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org Handle<String> source, 23597be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org JSRegExp::Flags flags, 23607be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org int capture_count) { 23617be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org Handle<FixedArray> store = NewFixedArray(JSRegExp::kIrregexpDataSize); 2362ddda9e81d3175130f2029c0e1205d265a00c32edjkummerow@chromium.org Smi* uninitialized = Smi::FromInt(JSRegExp::kUninitializedValue); 23637be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org store->set(JSRegExp::kTagIndex, Smi::FromInt(type)); 23647be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org store->set(JSRegExp::kSourceIndex, *source); 23657be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org store->set(JSRegExp::kFlagsIndex, Smi::FromInt(flags.value())); 23662c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.org store->set(JSRegExp::kIrregexpLatin1CodeIndex, uninitialized); 2367ddda9e81d3175130f2029c0e1205d265a00c32edjkummerow@chromium.org store->set(JSRegExp::kIrregexpUC16CodeIndex, uninitialized); 23682c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.org store->set(JSRegExp::kIrregexpLatin1CodeSavedIndex, uninitialized); 2369ddda9e81d3175130f2029c0e1205d265a00c32edjkummerow@chromium.org store->set(JSRegExp::kIrregexpUC16CodeSavedIndex, uninitialized); 23707be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org store->set(JSRegExp::kIrregexpMaxRegisterCountIndex, Smi::FromInt(0)); 23717be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org store->set(JSRegExp::kIrregexpCaptureCountIndex, 23727be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org Smi::FromInt(capture_count)); 23737be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org regexp->set_data(*store); 23747be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org} 23757be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 23767be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 23779fe21c6d4c657d15af27c8751257d3e2bf113e45kasperl@chromium.org 23782ebef182c49d59eba907b120c3c2a50808bd1f12machenbach@chromium.orgMaybeHandle<FunctionTemplateInfo> Factory::ConfigureInstance( 23792ebef182c49d59eba907b120c3c2a50808bd1f12machenbach@chromium.org Handle<FunctionTemplateInfo> desc, Handle<JSObject> instance) { 238043d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen // Configure the instance by adding the properties specified by the 238143d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen // instance template. 2382fb37721ea34922d8758d5cb26ae465aaf241e6b6yangguo@chromium.org Handle<Object> instance_template(desc->instance_template(), isolate()); 238343d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen if (!instance_template->IsUndefined()) { 23842ebef182c49d59eba907b120c3c2a50808bd1f12machenbach@chromium.org RETURN_ON_EXCEPTION( 23852ebef182c49d59eba907b120c3c2a50808bd1f12machenbach@chromium.org isolate(), 23862ebef182c49d59eba907b120c3c2a50808bd1f12machenbach@chromium.org Execution::ConfigureInstance(isolate(), instance, instance_template), 23872ebef182c49d59eba907b120c3c2a50808bd1f12machenbach@chromium.org FunctionTemplateInfo); 238843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen } 23892ebef182c49d59eba907b120c3c2a50808bd1f12machenbach@chromium.org return desc; 239043d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} 239143d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 239243d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 2393c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.comHandle<Object> Factory::GlobalConstantFor(Handle<String> name) { 23942ebef182c49d59eba907b120c3c2a50808bd1f12machenbach@chromium.org if (String::Equals(name, undefined_string())) return undefined_value(); 23952ebef182c49d59eba907b120c3c2a50808bd1f12machenbach@chromium.org if (String::Equals(name, nan_string())) return nan_value(); 23962ebef182c49d59eba907b120c3c2a50808bd1f12machenbach@chromium.org if (String::Equals(name, infinity_string())) return infinity_value(); 2397c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com return Handle<Object>::null(); 2398c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com} 2399c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com 2400c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com 2401a8bb4d938869bdcdf759625ee868775ff24826d9svenpanne@chromium.orgHandle<Object> Factory::ToBoolean(bool value) { 240209d7ab5aba54ebac170eac755664c45eefb0be7dulan@chromium.org return value ? true_value() : false_value(); 2403a8bb4d938869bdcdf759625ee868775ff24826d9svenpanne@chromium.org} 2404a8bb4d938869bdcdf759625ee868775ff24826d9svenpanne@chromium.org 24054ef23eea527ce7f45bdc5edd52bd4d1a989e2359machenbach@chromium.org 240643d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen} } // namespace v8::internal 2407