SelfHostingDefines.h

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-

 * vim: set ts=8 sts=2 et sw=2 tw=80:

 * 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_UINT32 0xffffffff

#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)

// NB: keep this in sync with JS::MaxStringLength in js/public/String.h.

#define MAX_STRING_LENGTH ((1 << 30) - 2)

// 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

// Property descriptor kind, must be different from the descriptor attributes.

#define DATA_DESCRIPTOR_KIND 0x100

#define ACCESSOR_DESCRIPTOR_KIND 0x200

// Property descriptor array indices.

#define PROP_DESC_ATTRS_AND_KIND_INDEX 0

#define PROP_DESC_VALUE_INDEX 1

#define PROP_DESC_GETTER_INDEX 1

#define PROP_DESC_SETTER_INDEX 2

// The extended slot of cloned self-hosted function, in which the self-hosted

// name for self-hosted builtins is stored.

#define LAZY_FUNCTION_NAME_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

#define ITEM_KIND_KEY 0

#define ITEM_KIND_VALUE 1

#define ITEM_KIND_KEY_AND_VALUE 2

#define REGEXP_SOURCE_SLOT 1

#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 REGEXP_DOTALL_FLAG 0x20

#define REGEXP_HASINDICES_FLAG 0x40

#define REGEXP_UNICODESETS_FLAG 0x80

#define REGEXP_STRING_ITERATOR_REGEXP_SLOT 0

#define REGEXP_STRING_ITERATOR_STRING_SLOT 1

#define REGEXP_STRING_ITERATOR_SOURCE_SLOT 2

#define REGEXP_STRING_ITERATOR_FLAGS_SLOT 3

#define REGEXP_STRING_ITERATOR_LASTINDEX_SLOT 4

#define REGEXP_STRING_ITERATOR_LASTINDEX_DONE -1

#define REGEXP_STRING_ITERATOR_LASTINDEX_SLOW -2

#define DATE_METHOD_LOCALE_TIME_STRING 0

#define DATE_METHOD_LOCALE_DATE_STRING 1

#define DATE_METHOD_LOCALE_STRING 2

#define INTL_INTERNALS_OBJECT_SLOT 0

#define INTL_SEGMENTS_STRING_SLOT 1

#define INTL_SEGMENT_ITERATOR_STRING_SLOT 1

#define INTL_SEGMENT_ITERATOR_INDEX_SLOT 3

#define TYPEDARRAY_KIND_INT8 0

#define TYPEDARRAY_KIND_UINT8 1

#define TYPEDARRAY_KIND_INT16 2

#define TYPEDARRAY_KIND_UINT16 3

#define TYPEDARRAY_KIND_INT32 4

#define TYPEDARRAY_KIND_UINT32 5

#define TYPEDARRAY_KIND_FLOAT32 6

#define TYPEDARRAY_KIND_FLOAT64 7

#define TYPEDARRAY_KIND_UINT8CLAMPED 8

#define TYPEDARRAY_KIND_BIGINT64 9

#define TYPEDARRAY_KIND_BIGUINT64 10

#define WRAP_FOR_VALID_ITERATOR_ITERATOR_SLOT 0

#define WRAP_FOR_VALID_ITERATOR_NEXT_METHOD_SLOT 1

#define ITERATOR_HELPER_GENERATOR_SLOT 0

#define ASYNC_ITERATOR_HELPER_GENERATOR_SLOT 0

#endif