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Diffstat (limited to 'js/src/builtin/SelfHostingDefines.h')
| -rw-r--r-- | js/src/builtin/SelfHostingDefines.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/js/src/builtin/SelfHostingDefines.h b/js/src/builtin/SelfHostingDefines.h new file mode 100644 index 000000000..b57c17269 --- /dev/null +++ b/js/src/builtin/SelfHostingDefines.h @@ -0,0 +1,103 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- + * vim: set ts=8 sts=4 et sw=4 tw=99: + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +// Specialized .h file to be used by both JS and C++ code. + +#ifndef builtin_SelfHostingDefines_h +#define builtin_SelfHostingDefines_h + +// Utility macros. +#define TO_INT32(x) ((x) | 0) +#define TO_UINT32(x) ((x) >>> 0) +#define IS_UINT32(x) ((x) >>> 0 === (x)) +#define MAX_NUMERIC_INDEX 0x1fffffffffffff // == Math.pow(2, 53) - 1 + +// Unforgeable version of Function.prototype.apply. +#define FUN_APPLY(FUN, RECEIVER, ARGS) \ + callFunction(std_Function_apply, FUN, RECEIVER, ARGS) + +// NB: keep this in sync with the copy in vm/ArgumentsObject.h. +#define MAX_ARGS_LENGTH (500 * 1000) + +// Spread non-empty argument list of up to 15 elements. +#define SPREAD(v, n) SPREAD_##n(v) +#define SPREAD_1(v) v[0] +#define SPREAD_2(v) SPREAD_1(v), v[1] +#define SPREAD_3(v) SPREAD_2(v), v[2] +#define SPREAD_4(v) SPREAD_3(v), v[3] +#define SPREAD_5(v) SPREAD_4(v), v[4] +#define SPREAD_6(v) SPREAD_5(v), v[5] +#define SPREAD_7(v) SPREAD_6(v), v[6] +#define SPREAD_8(v) SPREAD_7(v), v[7] +#define SPREAD_9(v) SPREAD_8(v), v[8] +#define SPREAD_10(v) SPREAD_9(v), v[9] +#define SPREAD_11(v) SPREAD_10(v), v[10] +#define SPREAD_12(v) SPREAD_11(v), v[11] +#define SPREAD_13(v) SPREAD_12(v), v[12] +#define SPREAD_14(v) SPREAD_13(v), v[13] +#define SPREAD_15(v) SPREAD_14(v), v[14] + +// Property descriptor attributes. +#define ATTR_ENUMERABLE 0x01 +#define ATTR_CONFIGURABLE 0x02 +#define ATTR_WRITABLE 0x04 + +#define ATTR_NONENUMERABLE 0x08 +#define ATTR_NONCONFIGURABLE 0x10 +#define ATTR_NONWRITABLE 0x20 + +// The extended slot in which the self-hosted name for self-hosted builtins is +// stored. +#define LAZY_FUNCTION_NAME_SLOT 0 + +// The extended slot which contains a boolean value that indicates whether +// that the canonical name of the self-hosted builtins is set in self-hosted +// global. This slot is used only in debug build. +#define HAS_SELFHOSTED_CANONICAL_NAME_SLOT 0 + +// Stores the length for bound functions, so the .length property doesn't need +// to be resolved eagerly. +#define BOUND_FUN_LENGTH_SLOT 1 + +// Stores the private WeakMap slot used for WeakSets +#define WEAKSET_MAP_SLOT 0 + +#define ITERATOR_SLOT_TARGET 0 +// Used for collection iterators. +#define ITERATOR_SLOT_RANGE 1 +// Used for list, i.e. Array and String, iterators. +#define ITERATOR_SLOT_NEXT_INDEX 1 +#define ITERATOR_SLOT_ITEM_KIND 2 +// Used for ListIterator. +#define ITERATOR_SLOT_NEXT_METHOD 2 + +#define ITEM_KIND_KEY 0 +#define ITEM_KIND_VALUE 1 +#define ITEM_KIND_KEY_AND_VALUE 2 + +// NB: keep these in sync with the copy in jsfriendapi.h. +#define JSITER_OWNONLY 0x8 /* iterate over obj's own properties only */ +#define JSITER_HIDDEN 0x10 /* also enumerate non-enumerable properties */ +#define JSITER_SYMBOLS 0x20 /* also include symbol property keys */ +#define JSITER_SYMBOLSONLY 0x40 /* exclude string property keys */ + + +#define REGEXP_FLAGS_SLOT 2 + +#define REGEXP_IGNORECASE_FLAG 0x01 +#define REGEXP_GLOBAL_FLAG 0x02 +#define REGEXP_MULTILINE_FLAG 0x04 +#define REGEXP_STICKY_FLAG 0x08 +#define REGEXP_UNICODE_FLAG 0x10 + +#define MODULE_OBJECT_ENVIRONMENT_SLOT 2 + +#define MODULE_STATE_FAILED 0 +#define MODULE_STATE_PARSED 1 +#define MODULE_STATE_INSTANTIATED 2 +#define MODULE_STATE_EVALUATED 3 + +#endif |