114 lines
3.9 KiB
C
114 lines
3.9 KiB
C
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* vim: set ts=8 sts=4 et sw=4 tw=99:
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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// Specialized .h file to be used by both JS and C++ code.
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#ifndef builtin_SelfHostingDefines_h
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#define builtin_SelfHostingDefines_h
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// Utility macros.
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#define TO_INT32(x) ((x) | 0)
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#define TO_UINT32(x) ((x) >>> 0)
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#define IS_UINT32(x) ((x) >>> 0 === (x))
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#define MAX_NUMERIC_INDEX 0x1fffffffffffff // == Math.pow(2, 53) - 1
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// Unforgeable version of Function.prototype.apply.
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#define FUN_APPLY(FUN, RECEIVER, ARGS) \
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callFunction(std_Function_apply, FUN, RECEIVER, ARGS)
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// NB: keep this in sync with the copy in vm/ArgumentsObject.h.
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#define MAX_ARGS_LENGTH (500 * 1000)
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// Spread non-empty argument list of up to 15 elements.
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#define SPREAD(v, n) SPREAD_##n(v)
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#define SPREAD_1(v) v[0]
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#define SPREAD_2(v) SPREAD_1(v), v[1]
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#define SPREAD_3(v) SPREAD_2(v), v[2]
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#define SPREAD_4(v) SPREAD_3(v), v[3]
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#define SPREAD_5(v) SPREAD_4(v), v[4]
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#define SPREAD_6(v) SPREAD_5(v), v[5]
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#define SPREAD_7(v) SPREAD_6(v), v[6]
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#define SPREAD_8(v) SPREAD_7(v), v[7]
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#define SPREAD_9(v) SPREAD_8(v), v[8]
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#define SPREAD_10(v) SPREAD_9(v), v[9]
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#define SPREAD_11(v) SPREAD_10(v), v[10]
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#define SPREAD_12(v) SPREAD_11(v), v[11]
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#define SPREAD_13(v) SPREAD_12(v), v[12]
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#define SPREAD_14(v) SPREAD_13(v), v[13]
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#define SPREAD_15(v) SPREAD_14(v), v[14]
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// Property descriptor attributes.
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#define ATTR_ENUMERABLE 0x01
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#define ATTR_CONFIGURABLE 0x02
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#define ATTR_WRITABLE 0x04
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#define ATTR_NONENUMERABLE 0x08
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#define ATTR_NONCONFIGURABLE 0x10
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#define ATTR_NONWRITABLE 0x20
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// The extended slot in which the self-hosted name for self-hosted builtins is
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// stored.
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#define LAZY_FUNCTION_NAME_SLOT 0
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// The extended slot which contains a boolean value that indicates whether
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// that the canonical name of the self-hosted builtins is set in self-hosted
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// global. This slot is used only in debug build.
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#define HAS_SELFHOSTED_CANONICAL_NAME_SLOT 0
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// Stores the length for bound functions, so the .length property doesn't need
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// to be resolved eagerly.
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#define BOUND_FUN_LENGTH_SLOT 1
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// Stores the private WeakMap slot used for WeakSets
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#define WEAKSET_MAP_SLOT 0
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#define ITERATOR_SLOT_TARGET 0
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// Used for collection iterators.
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#define ITERATOR_SLOT_RANGE 1
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// Used for list, i.e. Array and String, iterators.
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#define ITERATOR_SLOT_NEXT_INDEX 1
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#define ITERATOR_SLOT_ITEM_KIND 2
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#define ITEM_KIND_KEY 0
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#define ITEM_KIND_VALUE 1
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#define ITEM_KIND_KEY_AND_VALUE 2
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// NB: keep these in sync with the copy in jsfriendapi.h.
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#define JSITER_OWNONLY 0x8 /* iterate over obj's own properties only */
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#define JSITER_HIDDEN 0x10 /* also enumerate non-enumerable properties */
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#define JSITER_SYMBOLS 0x20 /* also include symbol property keys */
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#define JSITER_SYMBOLSONLY 0x40 /* exclude string property keys */
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#define REGEXP_FLAGS_SLOT 2
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#define REGEXP_IGNORECASE_FLAG 0x01
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#define REGEXP_GLOBAL_FLAG 0x02
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#define REGEXP_MULTILINE_FLAG 0x04
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#define REGEXP_STICKY_FLAG 0x08
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#define REGEXP_UNICODE_FLAG 0x10
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#define REGEXP_DOTALL_FLAG 0x20
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#define REGEXP_STRING_ITERATOR_REGEXP_SLOT 0
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#define REGEXP_STRING_ITERATOR_STRING_SLOT 1
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#define REGEXP_STRING_ITERATOR_FLAGS_SLOT 2
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#define REGEXP_STRING_ITERATOR_DONE_SLOT 3
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#define MODULE_OBJECT_ENVIRONMENT_SLOT 2
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#define MODULE_OBJECT_STATUS_SLOT 4
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#define MODULE_OBJECT_ERROR_SLOT 5
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#define MODULE_OBJECT_DFS_INDEX_SLOT 16
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#define MODULE_OBJECT_DFS_ANCESTOR_INDEX_SLOT 17
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#define MODULE_STATUS_ERRORED 0
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#define MODULE_STATUS_UNINSTANTIATED 1
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#define MODULE_STATUS_INSTANTIATING 2
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#define MODULE_STATUS_INSTANTIATED 3
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#define MODULE_STATUS_EVALUATING 4
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#define MODULE_STATUS_EVALUATED 5
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#endif
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