13ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch// Copyright 2012 the V8 project authors. All rights reserved. 2b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// Use of this source code is governed by a BSD-style license that can be 3b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// found in the LICENSE file. 4a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 5a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#ifndef V8_CONTEXTS_H_ 6a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#define V8_CONTEXTS_H_ 7a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 8b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch#include "src/heap/heap.h" 9b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch#include "src/objects.h" 1080d68eab642096c1a48b6474d6ec33064b0ad1f5Kristian Monsen 11a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blocknamespace v8 { 12a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blocknamespace internal { 13a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 1462ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdochclass RegExpMatchInfo; 15a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 16a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockenum ContextLookupFlags { 17014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch FOLLOW_CONTEXT_CHAIN = 1 << 0, 18014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch FOLLOW_PROTOTYPE_CHAIN = 1 << 1, 19014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch STOP_AT_DECLARATION_SCOPE = 1 << 2, 20014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch SKIP_WITH_CONTEXT = 1 << 3, 21a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 22a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block DONT_FOLLOW_CHAINS = 0, 23014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch FOLLOW_CHAINS = FOLLOW_CONTEXT_CHAIN | FOLLOW_PROTOTYPE_CHAIN, 24014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch LEXICAL_TEST = 25014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch FOLLOW_CONTEXT_CHAIN | STOP_AT_DECLARATION_SCOPE | SKIP_WITH_CONTEXT, 26a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block}; 27a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 28a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 29a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Heap-allocated activation contexts. 30a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// 31a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Contexts are implemented as FixedArray objects; the Context 32a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// class is a convenience interface casted on a FixedArray object. 33a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// 34a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Note: Context must have no virtual functions and Context objects 35a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// must always be allocated via Heap::AllocateContext() or 36a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Factory::NewContext. 37a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 38bcf72ee8e3b26f1d0726869c7ddb3921c68b09a8Ben Murdoch#define NATIVE_CONTEXT_INTRINSIC_FUNCTIONS(V) \ 3962ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(ASYNC_FUNCTION_AWAIT_CAUGHT_INDEX, JSFunction, \ 4062ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch async_function_await_caught) \ 4162ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(ASYNC_FUNCTION_AWAIT_UNCAUGHT_INDEX, JSFunction, \ 4262ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch async_function_await_uncaught) \ 4362ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(ASYNC_FUNCTION_PROMISE_CREATE_INDEX, JSFunction, \ 4462ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch async_function_promise_create) \ 4562ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(ASYNC_FUNCTION_PROMISE_RELEASE_INDEX, JSFunction, \ 4662ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch async_function_promise_release) \ 47bcf72ee8e3b26f1d0726869c7ddb3921c68b09a8Ben Murdoch V(IS_ARRAYLIKE, JSFunction, is_arraylike) \ 48f3b273f5e6ffd2f6ba1c18a27a17db41dfb113c3Ben Murdoch V(GENERATOR_NEXT_INTERNAL, JSFunction, generator_next_internal) \ 49bcf72ee8e3b26f1d0726869c7ddb3921c68b09a8Ben Murdoch V(GET_TEMPLATE_CALL_SITE_INDEX, JSFunction, get_template_call_site) \ 50f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch V(MAKE_ERROR_INDEX, JSFunction, make_error) \ 51bcf72ee8e3b26f1d0726869c7ddb3921c68b09a8Ben Murdoch V(MAKE_RANGE_ERROR_INDEX, JSFunction, make_range_error) \ 52f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch V(MAKE_SYNTAX_ERROR_INDEX, JSFunction, make_syntax_error) \ 53bcf72ee8e3b26f1d0726869c7ddb3921c68b09a8Ben Murdoch V(MAKE_TYPE_ERROR_INDEX, JSFunction, make_type_error) \ 54f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch V(MAKE_URI_ERROR_INDEX, JSFunction, make_uri_error) \ 5562ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(OBJECT_CREATE, JSFunction, object_create) \ 56bcf72ee8e3b26f1d0726869c7ddb3921c68b09a8Ben Murdoch V(OBJECT_DEFINE_PROPERTIES, JSFunction, object_define_properties) \ 57bcf72ee8e3b26f1d0726869c7ddb3921c68b09a8Ben Murdoch V(OBJECT_DEFINE_PROPERTY, JSFunction, object_define_property) \ 58bcf72ee8e3b26f1d0726869c7ddb3921c68b09a8Ben Murdoch V(OBJECT_FREEZE, JSFunction, object_freeze) \ 59bcf72ee8e3b26f1d0726869c7ddb3921c68b09a8Ben Murdoch V(OBJECT_GET_PROTOTYPE_OF, JSFunction, object_get_prototype_of) \ 60bcf72ee8e3b26f1d0726869c7ddb3921c68b09a8Ben Murdoch V(OBJECT_IS_EXTENSIBLE, JSFunction, object_is_extensible) \ 61bcf72ee8e3b26f1d0726869c7ddb3921c68b09a8Ben Murdoch V(OBJECT_IS_FROZEN, JSFunction, object_is_frozen) \ 62bcf72ee8e3b26f1d0726869c7ddb3921c68b09a8Ben Murdoch V(OBJECT_IS_SEALED, JSFunction, object_is_sealed) \ 63bcf72ee8e3b26f1d0726869c7ddb3921c68b09a8Ben Murdoch V(OBJECT_KEYS, JSFunction, object_keys) \ 64c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(REGEXP_INTERNAL_MATCH, JSFunction, regexp_internal_match) \ 65bcf72ee8e3b26f1d0726869c7ddb3921c68b09a8Ben Murdoch V(REFLECT_APPLY_INDEX, JSFunction, reflect_apply) \ 66bcf72ee8e3b26f1d0726869c7ddb3921c68b09a8Ben Murdoch V(REFLECT_CONSTRUCT_INDEX, JSFunction, reflect_construct) \ 67bcf72ee8e3b26f1d0726869c7ddb3921c68b09a8Ben Murdoch V(REFLECT_DEFINE_PROPERTY_INDEX, JSFunction, reflect_define_property) \ 68bcf72ee8e3b26f1d0726869c7ddb3921c68b09a8Ben Murdoch V(REFLECT_DELETE_PROPERTY_INDEX, JSFunction, reflect_delete_property) \ 69bcf72ee8e3b26f1d0726869c7ddb3921c68b09a8Ben Murdoch V(SPREAD_ARGUMENTS_INDEX, JSFunction, spread_arguments) \ 70bcf72ee8e3b26f1d0726869c7ddb3921c68b09a8Ben Murdoch V(SPREAD_ITERABLE_INDEX, JSFunction, spread_iterable) \ 7113e2dadd00298019ed862f2b2fc5068bba730bcfBen Murdoch V(MATH_FLOOR_INDEX, JSFunction, math_floor) \ 72c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(MATH_POW_INDEX, JSFunction, math_pow) \ 7362ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(NEW_PROMISE_CAPABILITY_INDEX, JSFunction, new_promise_capability) \ 7462ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(PROMISE_INTERNAL_CONSTRUCTOR_INDEX, JSFunction, \ 7562ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch promise_internal_constructor) \ 7662ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(PROMISE_INTERNAL_REJECT_INDEX, JSFunction, promise_internal_reject) \ 7762ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(IS_PROMISE_INDEX, JSFunction, is_promise) \ 7862ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(PROMISE_RESOLVE_INDEX, JSFunction, promise_resolve) \ 7962ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(PROMISE_THEN_INDEX, JSFunction, promise_then) \ 8062ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(PROMISE_HANDLE_INDEX, JSFunction, promise_handle) \ 8162ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(PROMISE_HANDLE_REJECT_INDEX, JSFunction, promise_handle_reject) 8262ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch 8362ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch#define NATIVE_CONTEXT_IMPORTED_FIELDS(V) \ 8462ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(ARRAY_CONCAT_INDEX, JSFunction, array_concat) \ 8562ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(ARRAY_POP_INDEX, JSFunction, array_pop) \ 8662ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(ARRAY_PUSH_INDEX, JSFunction, array_push) \ 8762ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(ARRAY_SHIFT_INDEX, JSFunction, array_shift) \ 8862ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(ARRAY_SPLICE_INDEX, JSFunction, array_splice) \ 8962ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(ARRAY_SLICE_INDEX, JSFunction, array_slice) \ 9062ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(ARRAY_UNSHIFT_INDEX, JSFunction, array_unshift) \ 9162ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(ARRAY_ENTRIES_ITERATOR_INDEX, JSFunction, array_entries_iterator) \ 9262ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(ARRAY_FOR_EACH_ITERATOR_INDEX, JSFunction, array_for_each_iterator) \ 9362ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(ARRAY_KEYS_ITERATOR_INDEX, JSFunction, array_keys_iterator) \ 9462ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(ARRAY_VALUES_ITERATOR_INDEX, JSFunction, array_values_iterator) \ 9562ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(DERIVED_GET_TRAP_INDEX, JSFunction, derived_get_trap) \ 9662ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(ERROR_FUNCTION_INDEX, JSFunction, error_function) \ 9762ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(ERROR_TO_STRING, JSFunction, error_to_string) \ 9862ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(EVAL_ERROR_FUNCTION_INDEX, JSFunction, eval_error_function) \ 9962ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(GLOBAL_EVAL_FUN_INDEX, JSFunction, global_eval_fun) \ 10062ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(GLOBAL_PROXY_FUNCTION_INDEX, JSFunction, global_proxy_function) \ 10162ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(MAP_DELETE_METHOD_INDEX, JSFunction, map_delete) \ 10262ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(MAP_GET_METHOD_INDEX, JSFunction, map_get) \ 10362ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(MAP_HAS_METHOD_INDEX, JSFunction, map_has) \ 10462ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(MAP_SET_METHOD_INDEX, JSFunction, map_set) \ 10562ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(FUNCTION_HAS_INSTANCE_INDEX, JSFunction, function_has_instance) \ 10662ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(OBJECT_VALUE_OF, JSFunction, object_value_of) \ 10762ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(OBJECT_TO_STRING, JSFunction, object_to_string) \ 10862ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(PROMISE_CATCH_INDEX, JSFunction, promise_catch) \ 10962ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(PROMISE_FUNCTION_INDEX, JSFunction, promise_function) \ 11062ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(RANGE_ERROR_FUNCTION_INDEX, JSFunction, range_error_function) \ 11162ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(REFERENCE_ERROR_FUNCTION_INDEX, JSFunction, reference_error_function) \ 11262ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(SET_ADD_METHOD_INDEX, JSFunction, set_add) \ 11362ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(SET_DELETE_METHOD_INDEX, JSFunction, set_delete) \ 11462ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(SET_HAS_METHOD_INDEX, JSFunction, set_has) \ 11562ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(SYNTAX_ERROR_FUNCTION_INDEX, JSFunction, syntax_error_function) \ 11662ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(TYPE_ERROR_FUNCTION_INDEX, JSFunction, type_error_function) \ 11762ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(URI_ERROR_FUNCTION_INDEX, JSFunction, uri_error_function) \ 11862ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(WASM_COMPILE_ERROR_FUNCTION_INDEX, JSFunction, \ 11962ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch wasm_compile_error_function) \ 12062ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(WASM_LINK_ERROR_FUNCTION_INDEX, JSFunction, wasm_link_error_function) \ 121c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(WASM_RUNTIME_ERROR_FUNCTION_INDEX, JSFunction, wasm_runtime_error_function) 122c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch 123c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch#define NATIVE_CONTEXT_JS_ARRAY_ITERATOR_MAPS(V) \ 124c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(TYPED_ARRAY_KEY_ITERATOR_MAP_INDEX, Map, typed_array_key_iterator_map) \ 125c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(FAST_ARRAY_KEY_ITERATOR_MAP_INDEX, Map, fast_array_key_iterator_map) \ 126c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(GENERIC_ARRAY_KEY_ITERATOR_MAP_INDEX, Map, array_key_iterator_map) \ 127c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch \ 128c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(UINT8_ARRAY_KEY_VALUE_ITERATOR_MAP_INDEX, Map, \ 129c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch uint8_array_key_value_iterator_map) \ 130c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(INT8_ARRAY_KEY_VALUE_ITERATOR_MAP_INDEX, Map, \ 131c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch int8_array_key_value_iterator_map) \ 132c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(UINT16_ARRAY_KEY_VALUE_ITERATOR_MAP_INDEX, Map, \ 133c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch uint16_array_key_value_iterator_map) \ 134c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(INT16_ARRAY_KEY_VALUE_ITERATOR_MAP_INDEX, Map, \ 135c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch int16_array_key_value_iterator_map) \ 136c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(UINT32_ARRAY_KEY_VALUE_ITERATOR_MAP_INDEX, Map, \ 137c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch uint32_array_key_value_iterator_map) \ 138c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(INT32_ARRAY_KEY_VALUE_ITERATOR_MAP_INDEX, Map, \ 139c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch int32_array_key_value_iterator_map) \ 140c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(FLOAT32_ARRAY_KEY_VALUE_ITERATOR_MAP_INDEX, Map, \ 141c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch float32_array_key_value_iterator_map) \ 142c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(FLOAT64_ARRAY_KEY_VALUE_ITERATOR_MAP_INDEX, Map, \ 143c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch float64_array_key_value_iterator_map) \ 144c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(UINT8_CLAMPED_ARRAY_KEY_VALUE_ITERATOR_MAP_INDEX, Map, \ 145c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch uint8_clamped_array_key_value_iterator_map) \ 146c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch \ 147c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(FAST_SMI_ARRAY_KEY_VALUE_ITERATOR_MAP_INDEX, Map, \ 148c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch fast_smi_array_key_value_iterator_map) \ 149c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(FAST_HOLEY_SMI_ARRAY_KEY_VALUE_ITERATOR_MAP_INDEX, Map, \ 150c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch fast_holey_smi_array_key_value_iterator_map) \ 151c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(FAST_ARRAY_KEY_VALUE_ITERATOR_MAP_INDEX, Map, \ 152c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch fast_array_key_value_iterator_map) \ 153c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(FAST_HOLEY_ARRAY_KEY_VALUE_ITERATOR_MAP_INDEX, Map, \ 154c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch fast_holey_array_key_value_iterator_map) \ 155c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(FAST_DOUBLE_ARRAY_KEY_VALUE_ITERATOR_MAP_INDEX, Map, \ 156c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch fast_double_array_key_value_iterator_map) \ 157c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(FAST_HOLEY_DOUBLE_ARRAY_KEY_VALUE_ITERATOR_MAP_INDEX, Map, \ 158c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch fast_holey_double_array_key_value_iterator_map) \ 159c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(GENERIC_ARRAY_KEY_VALUE_ITERATOR_MAP_INDEX, Map, \ 160c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch array_key_value_iterator_map) \ 161c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch \ 162c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(UINT8_ARRAY_VALUE_ITERATOR_MAP_INDEX, Map, uint8_array_value_iterator_map) \ 163c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(INT8_ARRAY_VALUE_ITERATOR_MAP_INDEX, Map, int8_array_value_iterator_map) \ 164c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(UINT16_ARRAY_VALUE_ITERATOR_MAP_INDEX, Map, \ 165c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch uint16_array_value_iterator_map) \ 166c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(INT16_ARRAY_VALUE_ITERATOR_MAP_INDEX, Map, int16_array_value_iterator_map) \ 167c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(UINT32_ARRAY_VALUE_ITERATOR_MAP_INDEX, Map, \ 168c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch uint32_array_value_iterator_map) \ 169c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(INT32_ARRAY_VALUE_ITERATOR_MAP_INDEX, Map, int32_array_value_iterator_map) \ 170c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(FLOAT32_ARRAY_VALUE_ITERATOR_MAP_INDEX, Map, \ 171c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch float32_array_value_iterator_map) \ 172c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(FLOAT64_ARRAY_VALUE_ITERATOR_MAP_INDEX, Map, \ 173c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch float64_array_value_iterator_map) \ 174c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(UINT8_CLAMPED_ARRAY_VALUE_ITERATOR_MAP_INDEX, Map, \ 175c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch uint8_clamped_array_value_iterator_map) \ 176c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch \ 177c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(FAST_SMI_ARRAY_VALUE_ITERATOR_MAP_INDEX, Map, \ 178c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch fast_smi_array_value_iterator_map) \ 179c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(FAST_HOLEY_SMI_ARRAY_VALUE_ITERATOR_MAP_INDEX, Map, \ 180c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch fast_holey_smi_array_value_iterator_map) \ 181c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(FAST_ARRAY_VALUE_ITERATOR_MAP_INDEX, Map, fast_array_value_iterator_map) \ 182c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(FAST_HOLEY_ARRAY_VALUE_ITERATOR_MAP_INDEX, Map, \ 183c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch fast_holey_array_value_iterator_map) \ 184c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(FAST_DOUBLE_ARRAY_VALUE_ITERATOR_MAP_INDEX, Map, \ 185c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch fast_double_array_value_iterator_map) \ 186c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(FAST_HOLEY_DOUBLE_ARRAY_VALUE_ITERATOR_MAP_INDEX, Map, \ 187c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch fast_holey_double_array_value_iterator_map) \ 188c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(GENERIC_ARRAY_VALUE_ITERATOR_MAP_INDEX, Map, array_value_iterator_map) 189014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch 190b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch#define NATIVE_CONTEXT_FIELDS(V) \ 191b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch V(GLOBAL_PROXY_INDEX, JSObject, global_proxy_object) \ 192014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(EMBEDDER_DATA_INDEX, FixedArray, embedder_data) \ 193014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch /* Below is alpha-sorted */ \ 194109988c7ccb6f3fd1a58574fa3dfb88beaef6632Ben Murdoch V(ACCESSOR_PROPERTY_DESCRIPTOR_MAP_INDEX, Map, \ 195109988c7ccb6f3fd1a58574fa3dfb88beaef6632Ben Murdoch accessor_property_descriptor_map) \ 196014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(ALLOW_CODE_GEN_FROM_STRINGS_INDEX, Object, allow_code_gen_from_strings) \ 197014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(ARRAY_BUFFER_FUN_INDEX, JSFunction, array_buffer_fun) \ 198014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(ARRAY_BUFFER_MAP_INDEX, Map, array_buffer_map) \ 199b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch V(ARRAY_FUNCTION_INDEX, JSFunction, array_function) \ 20062ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(ASYNC_FROM_SYNC_ITERATOR_MAP_INDEX, Map, async_from_sync_iterator_map) \ 20162ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(ASYNC_FUNCTION_AWAIT_REJECT_SHARED_FUN, SharedFunctionInfo, \ 20262ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch async_function_await_reject_shared_fun) \ 20362ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(ASYNC_FUNCTION_AWAIT_RESOLVE_SHARED_FUN, SharedFunctionInfo, \ 20462ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch async_function_await_resolve_shared_fun) \ 205bcf72ee8e3b26f1d0726869c7ddb3921c68b09a8Ben Murdoch V(ASYNC_FUNCTION_FUNCTION_INDEX, JSFunction, async_function_constructor) \ 20662ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(ASYNC_ITERATOR_VALUE_UNWRAP_SHARED_FUN, SharedFunctionInfo, \ 20762ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch async_iterator_value_unwrap_shared_fun) \ 208014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(BOOLEAN_FUNCTION_INDEX, JSFunction, boolean_function) \ 209014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(BOUND_FUNCTION_WITH_CONSTRUCTOR_MAP_INDEX, Map, \ 210014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch bound_function_with_constructor_map) \ 211014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(BOUND_FUNCTION_WITHOUT_CONSTRUCTOR_MAP_INDEX, Map, \ 212014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch bound_function_without_constructor_map) \ 213014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(CALL_AS_CONSTRUCTOR_DELEGATE_INDEX, JSFunction, \ 214014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch call_as_constructor_delegate) \ 215014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(CALL_AS_FUNCTION_DELEGATE_INDEX, JSFunction, call_as_function_delegate) \ 216f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch V(CALLSITE_FUNCTION_INDEX, JSFunction, callsite_function) \ 217014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(CONTEXT_EXTENSION_FUNCTION_INDEX, JSFunction, context_extension_function) \ 21862ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(CURRENT_MODULE_INDEX, Module, current_module) \ 219109988c7ccb6f3fd1a58574fa3dfb88beaef6632Ben Murdoch V(DATA_PROPERTY_DESCRIPTOR_MAP_INDEX, Map, data_property_descriptor_map) \ 220014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(DATA_VIEW_FUN_INDEX, JSFunction, data_view_fun) \ 221b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch V(DATE_FUNCTION_INDEX, JSFunction, date_function) \ 222014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(ERROR_MESSAGE_FOR_CODE_GEN_FROM_STRINGS_INDEX, Object, \ 223014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch error_message_for_code_gen_from_strings) \ 224014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(ERRORS_THROWN_INDEX, Smi, errors_thrown) \ 225014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(EXTRAS_EXPORTS_OBJECT_INDEX, JSObject, extras_binding_object) \ 22662ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(EXTRAS_UTILS_OBJECT_INDEX, Object, extras_utils_object) \ 227014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(FAST_ALIASED_ARGUMENTS_MAP_INDEX, Map, fast_aliased_arguments_map) \ 228f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch V(FAST_TEMPLATE_INSTANTIATIONS_CACHE_INDEX, FixedArray, \ 229f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch fast_template_instantiations_cache) \ 23062ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(FLOAT32_ARRAY_FUN_INDEX, JSFunction, float32_array_fun) \ 23162ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(FLOAT64_ARRAY_FUN_INDEX, JSFunction, float64_array_fun) \ 232014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(FUNCTION_FUNCTION_INDEX, JSFunction, function_function) \ 233014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(GENERATOR_FUNCTION_FUNCTION_INDEX, JSFunction, \ 234014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch generator_function_function) \ 235014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(GENERATOR_OBJECT_PROTOTYPE_MAP_INDEX, Map, generator_object_prototype_map) \ 236c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(INITIAL_ARRAY_ITERATOR_PROTOTYPE_INDEX, JSObject, \ 237c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch initial_array_iterator_prototype) \ 238c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(INITIAL_ARRAY_ITERATOR_PROTOTYPE_MAP_INDEX, Map, \ 239c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch initial_array_iterator_prototype_map) \ 240b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch V(INITIAL_ARRAY_PROTOTYPE_INDEX, JSObject, initial_array_prototype) \ 241bcf72ee8e3b26f1d0726869c7ddb3921c68b09a8Ben Murdoch V(INITIAL_GENERATOR_PROTOTYPE_INDEX, JSObject, initial_generator_prototype) \ 242f3b273f5e6ffd2f6ba1c18a27a17db41dfb113c3Ben Murdoch V(INITIAL_ITERATOR_PROTOTYPE_INDEX, JSObject, initial_iterator_prototype) \ 243014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(INITIAL_OBJECT_PROTOTYPE_INDEX, JSObject, initial_object_prototype) \ 244b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch V(INT16_ARRAY_FUN_INDEX, JSFunction, int16_array_fun) \ 245b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch V(INT32_ARRAY_FUN_INDEX, JSFunction, int32_array_fun) \ 246014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(INT8_ARRAY_FUN_INDEX, JSFunction, int8_array_fun) \ 247014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(INTERNAL_ARRAY_FUNCTION_INDEX, JSFunction, internal_array_function) \ 248014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(ITERATOR_RESULT_MAP_INDEX, Map, iterator_result_map) \ 24962ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(INTL_DATE_TIME_FORMAT_FUNCTION_INDEX, JSFunction, \ 25062ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch intl_date_time_format_function) \ 25162ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(INTL_NUMBER_FORMAT_FUNCTION_INDEX, JSFunction, \ 25262ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch intl_number_format_function) \ 25362ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(INTL_COLLATOR_FUNCTION_INDEX, JSFunction, intl_collator_function) \ 25462ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(INTL_V8_BREAK_ITERATOR_FUNCTION_INDEX, JSFunction, \ 25562ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch intl_v8_break_iterator_function) \ 256014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(JS_ARRAY_FAST_SMI_ELEMENTS_MAP_INDEX, Map, \ 257014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch js_array_fast_smi_elements_map_index) \ 258014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(JS_ARRAY_FAST_HOLEY_SMI_ELEMENTS_MAP_INDEX, Map, \ 259014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch js_array_fast_holey_smi_elements_map_index) \ 260014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(JS_ARRAY_FAST_ELEMENTS_MAP_INDEX, Map, js_array_fast_elements_map_index) \ 261014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(JS_ARRAY_FAST_HOLEY_ELEMENTS_MAP_INDEX, Map, \ 262014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch js_array_fast_holey_elements_map_index) \ 263014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(JS_ARRAY_FAST_DOUBLE_ELEMENTS_MAP_INDEX, Map, \ 264014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch js_array_fast_double_elements_map_index) \ 265014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(JS_ARRAY_FAST_HOLEY_DOUBLE_ELEMENTS_MAP_INDEX, Map, \ 266014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch js_array_fast_holey_double_elements_map_index) \ 267014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(JS_MAP_FUN_INDEX, JSFunction, js_map_fun) \ 268014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(JS_MAP_MAP_INDEX, Map, js_map_map) \ 269c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(JS_MODULE_NAMESPACE_MAP, Map, js_module_namespace_map) \ 270014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(JS_SET_FUN_INDEX, JSFunction, js_set_fun) \ 271014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(JS_SET_MAP_INDEX, Map, js_set_map) \ 272014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(JS_WEAK_MAP_FUN_INDEX, JSFunction, js_weak_map_fun) \ 273014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(JS_WEAK_SET_FUN_INDEX, JSFunction, js_weak_set_fun) \ 274014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(MAP_CACHE_INDEX, Object, map_cache) \ 275014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(MAP_ITERATOR_MAP_INDEX, Map, map_iterator_map) \ 276c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(MATH_RANDOM_INDEX_INDEX, Smi, math_random_index) \ 277c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(MATH_RANDOM_CACHE_INDEX, Object, math_random_cache) \ 278f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch V(MESSAGE_LISTENERS_INDEX, TemplateList, message_listeners) \ 279014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(NATIVES_UTILS_OBJECT_INDEX, Object, natives_utils_object) \ 280014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(NORMALIZED_MAP_CACHE_INDEX, Object, normalized_map_cache) \ 281014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(NUMBER_FUNCTION_INDEX, JSFunction, number_function) \ 282014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(OBJECT_FUNCTION_INDEX, JSFunction, object_function) \ 283014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(OBJECT_FUNCTION_PROTOTYPE_MAP_INDEX, Map, object_function_prototype_map) \ 284014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(OPAQUE_REFERENCE_FUNCTION_INDEX, JSFunction, opaque_reference_function) \ 28562ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(OSR_CODE_TABLE_INDEX, FixedArray, osr_code_table) \ 286014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(PROXY_CALLABLE_MAP_INDEX, Map, proxy_callable_map) \ 287014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(PROXY_CONSTRUCTOR_MAP_INDEX, Map, proxy_constructor_map) \ 288014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(PROXY_FUNCTION_INDEX, JSFunction, proxy_function) \ 289014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(PROXY_FUNCTION_MAP_INDEX, Map, proxy_function_map) \ 290014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(PROXY_MAP_INDEX, Map, proxy_map) \ 29162ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(PROMISE_GET_CAPABILITIES_EXECUTOR_SHARED_FUN, SharedFunctionInfo, \ 29262ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch promise_get_capabilities_executor_shared_fun) \ 293c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(PROMISE_RESOLVE_SHARED_FUN, SharedFunctionInfo, \ 294c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch promise_resolve_shared_fun) \ 295c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(PROMISE_REJECT_SHARED_FUN, SharedFunctionInfo, promise_reject_shared_fun) \ 29662ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(PROMISE_THEN_FINALLY_SHARED_FUN, SharedFunctionInfo, \ 29762ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch promise_then_finally_shared_fun) \ 29862ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(PROMISE_CATCH_FINALLY_SHARED_FUN, SharedFunctionInfo, \ 29962ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch promise_catch_finally_shared_fun) \ 30062ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(PROMISE_VALUE_THUNK_FINALLY_SHARED_FUN, SharedFunctionInfo, \ 30162ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch promise_value_thunk_finally_shared_fun) \ 30262ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(PROMISE_THROWER_FINALLY_SHARED_FUN, SharedFunctionInfo, \ 30362ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch promise_thrower_finally_shared_fun) \ 30462ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(PROMISE_PROTOTYPE_MAP_INDEX, Map, promise_prototype_map) \ 305c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(REGEXP_EXEC_FUNCTION_INDEX, JSFunction, regexp_exec_function) \ 306014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(REGEXP_FUNCTION_INDEX, JSFunction, regexp_function) \ 307c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(REGEXP_LAST_MATCH_INFO_INDEX, RegExpMatchInfo, regexp_last_match_info) \ 308c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(REGEXP_INTERNAL_MATCH_INFO_INDEX, RegExpMatchInfo, \ 309c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch regexp_internal_match_info) \ 310c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch V(REGEXP_PROTOTYPE_MAP_INDEX, Map, regexp_prototype_map) \ 311014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(REGEXP_RESULT_MAP_INDEX, Map, regexp_result_map) \ 312014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(SCRIPT_CONTEXT_TABLE_INDEX, ScriptContextTable, script_context_table) \ 313014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(SCRIPT_FUNCTION_INDEX, JSFunction, script_function) \ 314014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(SECURITY_TOKEN_INDEX, Object, security_token) \ 315014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(SELF_WEAK_CELL_INDEX, WeakCell, self_weak_cell) \ 316014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(SET_ITERATOR_MAP_INDEX, Map, set_iterator_map) \ 317014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(SHARED_ARRAY_BUFFER_FUN_INDEX, JSFunction, shared_array_buffer_fun) \ 318014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(SLOPPY_ARGUMENTS_MAP_INDEX, Map, sloppy_arguments_map) \ 319b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch V(SLOPPY_FUNCTION_MAP_INDEX, Map, sloppy_function_map) \ 320014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(SLOPPY_FUNCTION_WITHOUT_PROTOTYPE_MAP_INDEX, Map, \ 321014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch sloppy_function_without_prototype_map) \ 322b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch V(SLOPPY_FUNCTION_WITH_READONLY_PROTOTYPE_MAP_INDEX, Map, \ 323b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch sloppy_function_with_readonly_prototype_map) \ 324014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(SLOW_ALIASED_ARGUMENTS_MAP_INDEX, Map, slow_aliased_arguments_map) \ 32562ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(SLOW_OBJECT_WITH_NULL_PROTOTYPE_MAP, Map, \ 32662ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch slow_object_with_null_prototype_map) \ 32762ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(SLOW_TEMPLATE_INSTANTIATIONS_CACHE_INDEX, UnseededNumberDictionary, \ 32862ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch slow_template_instantiations_cache) \ 329014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(STRICT_ARGUMENTS_MAP_INDEX, Map, strict_arguments_map) \ 33062ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(ASYNC_FUNCTION_MAP_INDEX, Map, async_function_map) \ 331b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch V(STRICT_FUNCTION_MAP_INDEX, Map, strict_function_map) \ 332b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch V(STRICT_FUNCTION_WITHOUT_PROTOTYPE_MAP_INDEX, Map, \ 333b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch strict_function_without_prototype_map) \ 33462ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(GENERATOR_FUNCTION_MAP_INDEX, Map, generator_function_map) \ 33562ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(CLASS_FUNCTION_MAP_INDEX, Map, class_function_map) \ 336014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(STRING_FUNCTION_INDEX, JSFunction, string_function) \ 337014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(STRING_FUNCTION_PROTOTYPE_MAP_INDEX, Map, string_function_prototype_map) \ 33862ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(STRING_ITERATOR_MAP_INDEX, Map, string_iterator_map) \ 339014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(SYMBOL_FUNCTION_INDEX, JSFunction, symbol_function) \ 34062ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(NATIVE_FUNCTION_MAP_INDEX, Map, native_function_map) \ 34162ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(WASM_FUNCTION_MAP_INDEX, Map, wasm_function_map) \ 34262ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(WASM_INSTANCE_CONSTRUCTOR_INDEX, JSFunction, wasm_instance_constructor) \ 34362ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(WASM_INSTANCE_SYM_INDEX, Symbol, wasm_instance_sym) \ 34462ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(WASM_MEMORY_CONSTRUCTOR_INDEX, JSFunction, wasm_memory_constructor) \ 34562ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(WASM_MEMORY_SYM_INDEX, Symbol, wasm_memory_sym) \ 34662ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(WASM_MODULE_CONSTRUCTOR_INDEX, JSFunction, wasm_module_constructor) \ 34762ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(WASM_MODULE_SYM_INDEX, Symbol, wasm_module_sym) \ 34862ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(WASM_TABLE_CONSTRUCTOR_INDEX, JSFunction, wasm_table_constructor) \ 34962ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(WASM_TABLE_SYM_INDEX, Symbol, wasm_table_sym) \ 35013e2dadd00298019ed862f2b2fc5068bba730bcfBen Murdoch V(TYPED_ARRAY_FUN_INDEX, JSFunction, typed_array_function) \ 35113e2dadd00298019ed862f2b2fc5068bba730bcfBen Murdoch V(TYPED_ARRAY_PROTOTYPE_INDEX, JSObject, typed_array_prototype) \ 352014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(UINT16_ARRAY_FUN_INDEX, JSFunction, uint16_array_fun) \ 353014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(UINT32_ARRAY_FUN_INDEX, JSFunction, uint32_array_fun) \ 354014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(UINT8_ARRAY_FUN_INDEX, JSFunction, uint8_array_fun) \ 355014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch V(UINT8_CLAMPED_ARRAY_FUN_INDEX, JSFunction, uint8_clamped_array_fun) \ 35662ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch V(EXPORTS_CONTAINER, Object, exports_container) \ 357014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch NATIVE_CONTEXT_INTRINSIC_FUNCTIONS(V) \ 358c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch NATIVE_CONTEXT_IMPORTED_FIELDS(V) \ 359c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch NATIVE_CONTEXT_JS_ARRAY_ITERATOR_MAPS(V) 360958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier 361958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier// A table of all script contexts. Every loaded top-level script with top-level 362958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier// lexical declarations contributes its ScriptContext into this table. 363958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier// 364958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier// The table is a fixed array, its first slot is the current used count and 365958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier// the subsequent slots 1..used contain ScriptContexts. 366958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernierclass ScriptContextTable : public FixedArray { 367958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier public: 368958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier // Conversions. 369014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch static inline ScriptContextTable* cast(Object* context); 370958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier 371958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier struct LookupResult { 372958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier int context_index; 373958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier int slot_index; 374958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier VariableMode mode; 375958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier InitializationFlag init_flag; 376958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier MaybeAssignedFlag maybe_assigned_flag; 377958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier }; 378958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier 379014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch inline int used() const; 380014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch inline void set_used(int used); 381958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier 382014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch static inline Handle<Context> GetContext(Handle<ScriptContextTable> table, 383014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch int i); 384958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier 385958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier // Lookup a variable `name` in a ScriptContextTable. 386958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier // If it returns true, the variable is found and `result` contains 387958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier // valid information about its location. 388958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier // If it returns false, `result` is untouched. 389958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier MUST_USE_RESULT 390958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier static bool Lookup(Handle<ScriptContextTable> table, Handle<String> name, 391958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier LookupResult* result); 392958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier 393958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier MUST_USE_RESULT 394958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier static Handle<ScriptContextTable> Extend(Handle<ScriptContextTable> table, 395958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier Handle<Context> script_context); 396958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier 397958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier static int GetContextOffset(int context_index) { 398958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier return kFirstContextOffset + context_index * kPointerSize; 399958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier } 400958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier 401958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier private: 402958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier static const int kUsedSlot = 0; 403014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch static const int kFirstContextSlot = kUsedSlot + 1; 404958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier static const int kFirstContextOffset = 405014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch FixedArray::kHeaderSize + kFirstContextSlot * kPointerSize; 406958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier 407958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier DISALLOW_IMPLICIT_CONSTRUCTORS(ScriptContextTable); 408958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier}; 409a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 410a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// JSFunctions are pairs (context, function code), sometimes also called 411a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// closures. A Context object is used to represent function contexts and 412a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// dynamically pushed 'with' contexts (or 'scopes' in ECMA-262 speak). 413a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// 414a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// At runtime, the contexts build a stack in parallel to the execution 415a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// stack, with the top-most context being the current context. All contexts 416a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// have the following slots: 417a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// 418a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// [ closure ] This is the current function. It is the same for all 419a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// contexts inside a function. It provides access to the 420a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// incoming context (i.e., the outer context, which may 421a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// or may not become the current function's context), and 422a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// it provides access to the functions code and thus it's 423a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// scope information, which in turn contains the names of 424a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// statically allocated context slots. The names are needed 425a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// for dynamic lookups in the presence of 'with' or 'eval'. 426a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// 427f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch// [ previous ] A pointer to the previous context. 428a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// 429f3b273f5e6ffd2f6ba1c18a27a17db41dfb113c3Ben Murdoch// [ extension ] Additional data. 430f3b273f5e6ffd2f6ba1c18a27a17db41dfb113c3Ben Murdoch// 431f3b273f5e6ffd2f6ba1c18a27a17db41dfb113c3Ben Murdoch// For script contexts, it contains the respective ScopeInfo. 432f3b273f5e6ffd2f6ba1c18a27a17db41dfb113c3Ben Murdoch// 433f3b273f5e6ffd2f6ba1c18a27a17db41dfb113c3Ben Murdoch// For catch contexts, it contains a ContextExtension object 434f3b273f5e6ffd2f6ba1c18a27a17db41dfb113c3Ben Murdoch// consisting of the ScopeInfo and the name of the catch 435f3b273f5e6ffd2f6ba1c18a27a17db41dfb113c3Ben Murdoch// variable. 436f3b273f5e6ffd2f6ba1c18a27a17db41dfb113c3Ben Murdoch// 437f3b273f5e6ffd2f6ba1c18a27a17db41dfb113c3Ben Murdoch// For module contexts, it contains the module object. 438f3b273f5e6ffd2f6ba1c18a27a17db41dfb113c3Ben Murdoch// 439f3b273f5e6ffd2f6ba1c18a27a17db41dfb113c3Ben Murdoch// For block contexts, it contains either the respective 440f3b273f5e6ffd2f6ba1c18a27a17db41dfb113c3Ben Murdoch// ScopeInfo or a ContextExtension object consisting of the 441f3b273f5e6ffd2f6ba1c18a27a17db41dfb113c3Ben Murdoch// ScopeInfo and an "extension object" (see below). 442f3b273f5e6ffd2f6ba1c18a27a17db41dfb113c3Ben Murdoch// 443f3b273f5e6ffd2f6ba1c18a27a17db41dfb113c3Ben Murdoch// For with contexts, it contains a ContextExtension object 444f3b273f5e6ffd2f6ba1c18a27a17db41dfb113c3Ben Murdoch// consisting of the ScopeInfo and an "extension object". 445f3b273f5e6ffd2f6ba1c18a27a17db41dfb113c3Ben Murdoch// 446f3b273f5e6ffd2f6ba1c18a27a17db41dfb113c3Ben Murdoch// An "extension object" is used to dynamically extend a context 447f3b273f5e6ffd2f6ba1c18a27a17db41dfb113c3Ben Murdoch// with additional variables, namely in the implementation of the 448f3b273f5e6ffd2f6ba1c18a27a17db41dfb113c3Ben Murdoch// 'with' construct and the 'eval' construct. For instance, 449f3b273f5e6ffd2f6ba1c18a27a17db41dfb113c3Ben Murdoch// Context::Lookup also searches the extension object for 450f3b273f5e6ffd2f6ba1c18a27a17db41dfb113c3Ben Murdoch// properties. (Storing the extension object is the original 451f3b273f5e6ffd2f6ba1c18a27a17db41dfb113c3Ben Murdoch// purpose of this context slot, hence the name.) 452a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// 453f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch// [ native_context ] A pointer to the native context. 454a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// 455a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// In addition, function contexts may have statically allocated context slots 456a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// to store local variables/functions that are accessed from inner functions 457a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// (via static context addresses) or through 'eval' (dynamic context lookups). 458b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// The native context contains additional slots for fast access to native 459b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// properties. 460b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// 461b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// Finally, with Harmony scoping, the JSFunction representing a top level 462958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier// script will have the ScriptContext rather than a FunctionContext. 463958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier// Script contexts from all top-level scripts are gathered in 464958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier// ScriptContextTable. 465a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 466a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockclass Context: public FixedArray { 467a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block public: 468a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Conversions. 469014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch static inline Context* cast(Object* context); 470a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 471a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // The default context slot layout; indices are FixedArray slot indices. 472c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch enum Field { 473a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // These slots are in all contexts. 474a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block CLOSURE_INDEX, 475a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block PREVIOUS_INDEX, 476014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch // The extension slot is used for either the global object (in native 4773fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch // contexts), eval extension object (function contexts), subject of with 4783ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // (with contexts), or the variable name (catch contexts), the serialized 479b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch // scope info (block contexts), or the module instance (module contexts). 480a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block EXTENSION_INDEX, 481014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch NATIVE_CONTEXT_INDEX, 4823fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch 483b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch // These slots are only in native contexts. 484014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch#define NATIVE_CONTEXT_SLOT(index, type, name) index, 485014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch NATIVE_CONTEXT_FIELDS(NATIVE_CONTEXT_SLOT) 486014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch#undef NATIVE_CONTEXT_SLOT 487f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch 488f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch // Properties from here are treated as weak references by the full GC. 489f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch // Scavenge treats them as strong references. 490b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch OPTIMIZED_FUNCTIONS_LIST, // Weak. 491b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch OPTIMIZED_CODE_LIST, // Weak. 492b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch DEOPTIMIZED_CODE_LIST, // Weak. 493b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch NEXT_CONTEXT_LINK, // Weak. 494f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch 495f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch // Total number of slots. 496b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch NATIVE_CONTEXT_SLOTS, 497014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch FIRST_WEAK_SLOT = OPTIMIZED_FUNCTIONS_LIST, 498014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch FIRST_JS_ARRAY_MAP_SLOT = JS_ARRAY_FAST_SMI_ELEMENTS_MAP_INDEX, 499014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch 500014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch MIN_CONTEXT_SLOTS = GLOBAL_PROXY_INDEX, 501014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch // This slot holds the thrown value in catch contexts. 502014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch THROWN_OBJECT_INDEX = MIN_CONTEXT_SLOTS, 5033b9bc31999c9787eb726ecdbfd5796bfdec32a18Ben Murdoch 5043b9bc31999c9787eb726ecdbfd5796bfdec32a18Ben Murdoch // These slots hold values in debug evaluate contexts. 5053b9bc31999c9787eb726ecdbfd5796bfdec32a18Ben Murdoch WRAPPED_CONTEXT_INDEX = MIN_CONTEXT_SLOTS, 5063b9bc31999c9787eb726ecdbfd5796bfdec32a18Ben Murdoch WHITE_LIST_INDEX = MIN_CONTEXT_SLOTS + 1 507a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block }; 508a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 50962ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch void ResetErrorsThrown(); 510014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch void IncrementErrorsThrown(); 511014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch int GetErrorsThrown(); 512014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch 513a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Direct slot access. 514014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch inline JSFunction* closure(); 515014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch inline void set_closure(JSFunction* closure); 516a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 517014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch inline Context* previous(); 518014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch inline void set_previous(Context* context); 519a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 520bcf72ee8e3b26f1d0726869c7ddb3921c68b09a8Ben Murdoch inline Object* next_context_link(); 521bcf72ee8e3b26f1d0726869c7ddb3921c68b09a8Ben Murdoch 522014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch inline bool has_extension(); 523014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch inline HeapObject* extension(); 524014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch inline void set_extension(HeapObject* object); 525014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch JSObject* extension_object(); 526014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch JSReceiver* extension_receiver(); 527014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch ScopeInfo* scope_info(); 528014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch String* catch_name(); 5293fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch 530f3b273f5e6ffd2f6ba1c18a27a17db41dfb113c3Ben Murdoch // Find the module context (assuming there is one) and return the associated 531f3b273f5e6ffd2f6ba1c18a27a17db41dfb113c3Ben Murdoch // module object. 532f3b273f5e6ffd2f6ba1c18a27a17db41dfb113c3Ben Murdoch Module* module(); 533f3b273f5e6ffd2f6ba1c18a27a17db41dfb113c3Ben Murdoch 5343fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch // Get the context where var declarations will be hoisted to, which 5353fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch // may be the context itself. 5363fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch Context* declaration_context(); 537014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch bool is_declaration_context(); 538a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 539109988c7ccb6f3fd1a58574fa3dfb88beaef6632Ben Murdoch // Get the next closure's context on the context chain. 540109988c7ccb6f3fd1a58574fa3dfb88beaef6632Ben Murdoch Context* closure_context(); 541109988c7ccb6f3fd1a58574fa3dfb88beaef6632Ben Murdoch 542a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Returns a JSGlobalProxy object or null. 543a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block JSObject* global_proxy(); 544a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block void set_global_proxy(JSObject* global); 545a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 546014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch // Get the JSGlobalObject object. 547f3b273f5e6ffd2f6ba1c18a27a17db41dfb113c3Ben Murdoch V8_EXPORT_PRIVATE JSGlobalObject* global_object(); 548a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 549958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier // Get the script context by traversing the context chain. 550958fae7ec3f466955f8e5b50fa5b8d38b9e91675Emily Bernier Context* script_context(); 551a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 552014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch // Compute the native context. 553014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch inline Context* native_context(); 554014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch inline void set_native_context(Context* context); 555b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 556b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch // Predicates for context types. IsNativeContext is also defined on Object 557b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch // because we frequently have to know if arbitrary objects are natives 5583fb3ca8c7ca439d408449a395897395c0faae8d1Ben Murdoch // contexts. 559014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch inline bool IsNativeContext(); 560014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch inline bool IsFunctionContext(); 561014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch inline bool IsCatchContext(); 562014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch inline bool IsWithContext(); 5633b9bc31999c9787eb726ecdbfd5796bfdec32a18Ben Murdoch inline bool IsDebugEvaluateContext(); 564014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch inline bool IsBlockContext(); 565014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch inline bool IsModuleContext(); 56662ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch inline bool IsEvalContext(); 567014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch inline bool IsScriptContext(); 568a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 569014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch inline bool HasSameSecurityTokenAs(Context* that); 570014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch 57162ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch // Removes a specific optimized code object from the optimized code map. 57262ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch // In case of non-OSR the code reference is cleared from the cache entry but 57362ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch // the entry itself is left in the map in order to proceed sharing literals. 57462ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch void EvictFromOptimizedCodeMap(Code* optimized_code, const char* reason); 57562ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch 57662ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch // Clear optimized code map. 57762ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch void ClearOptimizedCodeMap(); 57862ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch 57962ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch // A native context keeps track of all osrd optimized functions. 58062ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch inline bool OptimizedCodeMapIsCleared(); 58162ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch Code* SearchOptimizedCodeMap(SharedFunctionInfo* shared, 58262ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch BailoutId osr_ast_id); 58362ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch int SearchOptimizedCodeMapEntry(SharedFunctionInfo* shared, 58462ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch BailoutId osr_ast_id); 58562ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch 58662ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch static void AddToOptimizedCodeMap(Handle<Context> native_context, 58762ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch Handle<SharedFunctionInfo> shared, 58862ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch Handle<Code> code, 58962ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch BailoutId osr_ast_id); 59062ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch 591b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch // A native context holds a list of all functions with optimized code. 592b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch void AddOptimizedFunction(JSFunction* function); 593b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch void RemoveOptimizedFunction(JSFunction* function); 594b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch void SetOptimizedFunctionsListHead(Object* head); 595b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch Object* OptimizedFunctionsListHead(); 5963ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch 597b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch // The native context also stores a list of all optimized code and a 598b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch // list of all deoptimized code, which are needed by the deoptimizer. 599b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch void AddOptimizedCode(Code* code); 600b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch void SetOptimizedCodeListHead(Object* head); 601b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch Object* OptimizedCodeListHead(); 602b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch void SetDeoptimizedCodeListHead(Object* head); 603b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch Object* DeoptimizedCodeListHead(); 604b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 605b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch Handle<Object> ErrorMessageForCodeGenerationFromStrings(); 606b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 607014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch static int ImportedFieldIndexForName(Handle<String> name); 608014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch static int IntrinsicIndexForName(Handle<String> name); 609f3b273f5e6ffd2f6ba1c18a27a17db41dfb113c3Ben Murdoch static int IntrinsicIndexForName(const unsigned char* name, int length); 610014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch 611b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch#define NATIVE_CONTEXT_FIELD_ACCESSORS(index, type, name) \ 612014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch inline void set_##name(type* value); \ 613014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch inline bool is_##name(type* value); \ 614014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch inline type* name(); 615b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch NATIVE_CONTEXT_FIELDS(NATIVE_CONTEXT_FIELD_ACCESSORS) 616b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch#undef NATIVE_CONTEXT_FIELD_ACCESSORS 617a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 618b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch // Lookup the slot called name, starting with the current context. 6193ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // There are three possibilities: 620a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // 6213ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // 1) result->IsContext(): 6223ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // The binding was found in a context. *index is always the 6233ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // non-negative slot index. *attributes is NONE for var and let 6243ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // declarations, READ_ONLY for const declarations (never ABSENT). 625a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // 6263ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // 2) result->IsJSObject(): 6273ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // The binding was found as a named property in a context extension 6283ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // object (i.e., was introduced via eval), as a property on the subject 6293ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // of with, or as a property of the global object. *index is -1 and 6303ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // *attributes is not ABSENT. 631a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // 6323ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // 3) result.is_null(): 6333ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // There was no binding found, *index is always -1 and *attributes is 6343ef787dbeca8a5fb1086949cda830dccee07bfbdBen Murdoch // always ABSENT. 635f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch Handle<Object> Lookup(Handle<String> name, ContextLookupFlags flags, 636f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch int* index, PropertyAttributes* attributes, 637f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch InitializationFlag* init_flag, 638f91f0611dbaf29ca0f1d4aecb357ce243a19d2faBen Murdoch VariableMode* variable_mode); 639a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 640a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Code generation support. 641a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block static int SlotOffset(int index) { 642a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block return kHeaderSize + index * kPointerSize - kHeapObjectTag; 643a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 644a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 645014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch static int FunctionMapIndex(LanguageMode language_mode, FunctionKind kind) { 64662ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch // Note: Must be kept in sync with the FastNewClosure builtin. 647b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch if (IsGeneratorFunction(kind)) { 64862ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch return GENERATOR_FUNCTION_MAP_INDEX; 649014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch } 650014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch 651bcf72ee8e3b26f1d0726869c7ddb3921c68b09a8Ben Murdoch if (IsAsyncFunction(kind)) { 65262ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch return ASYNC_FUNCTION_MAP_INDEX; 653bcf72ee8e3b26f1d0726869c7ddb3921c68b09a8Ben Murdoch } 654bcf72ee8e3b26f1d0726869c7ddb3921c68b09a8Ben Murdoch 655014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch if (IsClassConstructor(kind)) { 65662ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch // Like the strict function map, but with no 'name' accessor. 'name' 65762ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch // needs to be the last property and it is added during instantiation, 65862ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch // in case a static property with the same name exists" 65962ed631aa0ff23db68a47fd423efa9c019ff2c9eBen Murdoch return CLASS_FUNCTION_MAP_INDEX; 660b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch } 661b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 662014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch if (IsArrowFunction(kind) || IsConciseMethod(kind) || 663014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch IsAccessorFunction(kind)) { 6643b9bc31999c9787eb726ecdbfd5796bfdec32a18Ben Murdoch return STRICT_FUNCTION_WITHOUT_PROTOTYPE_MAP_INDEX; 665b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch } 666b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 6673b9bc31999c9787eb726ecdbfd5796bfdec32a18Ben Murdoch return is_strict(language_mode) ? STRICT_FUNCTION_MAP_INDEX 668014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch : SLOPPY_FUNCTION_MAP_INDEX; 669014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch } 670014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch 6713b9bc31999c9787eb726ecdbfd5796bfdec32a18Ben Murdoch static int ArrayMapIndex(ElementsKind elements_kind) { 672014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch DCHECK(IsFastElementsKind(elements_kind)); 6733b9bc31999c9787eb726ecdbfd5796bfdec32a18Ben Murdoch return elements_kind + FIRST_JS_ARRAY_MAP_SLOT; 674b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch } 675b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 676b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch static const int kSize = kHeaderSize + NATIVE_CONTEXT_SLOTS * kPointerSize; 677014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch static const int kNotFound = -1; 678f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch 679f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch // GC support. 680f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch typedef FixedBodyDescriptor< 681f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch kHeaderSize, kSize, kSize> ScavengeBodyDescriptor; 682f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch 683f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch typedef FixedBodyDescriptor< 684f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch kHeaderSize, 685f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch kHeaderSize + FIRST_WEAK_SLOT * kPointerSize, 686f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch kSize> MarkCompactBodyDescriptor; 687f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch 688a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block private: 689a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#ifdef DEBUG 690a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Bootstrapping-aware type checks. 691f3b273f5e6ffd2f6ba1c18a27a17db41dfb113c3Ben Murdoch V8_EXPORT_PRIVATE static bool IsBootstrappingOrNativeContext(Isolate* isolate, 692f3b273f5e6ffd2f6ba1c18a27a17db41dfb113c3Ben Murdoch Object* object); 693b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch static bool IsBootstrappingOrValidParentContext(Object* object, Context* kid); 694a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#endif 695b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 696b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch STATIC_ASSERT(kHeaderSize == Internals::kContextHeaderSize); 697b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch STATIC_ASSERT(EMBEDDER_DATA_INDEX == Internals::kContextEmbedderDataIndex); 698a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block}; 699a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 700c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdochtypedef Context::Field ContextField; 701c8c1d9e03f4babd16833b0f8ccf6aab5fa6e8c7aBen Murdoch 702014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch} // namespace internal 703014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch} // namespace v8 704a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 705a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block#endif // V8_CONTEXTS_H_ 706