| # Copyright 2006-2009 the V8 project authors. All rights reserved. |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions are |
| # met: |
| # |
| # * Redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer. |
| # * Redistributions in binary form must reproduce the above |
| # copyright notice, this list of conditions and the following |
| # disclaimer in the documentation and/or other materials provided |
| # with the distribution. |
| # * Neither the name of Google Inc. nor the names of its |
| # contributors may be used to endorse or promote products derived |
| # from this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| # Dictionary that is passed as defines for js2c.py. |
| # Used for defines that must be defined for all native JS files. |
| |
| define NONE = 0; |
| define READ_ONLY = 1; |
| define DONT_ENUM = 2; |
| define DONT_DELETE = 4; |
| define NEW_ONE_BYTE_STRING = true; |
| define NEW_TWO_BYTE_STRING = false; |
| |
| # Constants used for getter and setter operations. |
| define GETTER = 0; |
| define SETTER = 1; |
| |
| # Safe maximum number of arguments to push to stack, when multiplied by |
| # pointer size. Used by Function.prototype.apply(), Reflect.apply() and |
| # Reflect.construct(). |
| define kSafeArgumentsLength = 0x800000; |
| |
| # 2^53 - 1 |
| define kMaxSafeInteger = 9007199254740991; |
| |
| # 2^32 - 1 |
| define kMaxUint32 = 4294967295; |
| |
| # Strict mode flags for passing to %SetProperty |
| define kSloppyMode = 0; |
| define kStrictMode = 1; |
| |
| # Native cache ids. |
| define STRING_TO_REGEXP_CACHE_ID = 0; |
| |
| # Type query macros. |
| # |
| # Note: We have special support for typeof(foo) === 'bar' in the compiler. |
| # It will *not* generate a runtime typeof call for the most important |
| # values of 'bar'. |
| macro IS_ARRAY(arg) = (%_IsArray(arg)); |
| macro IS_ARRAYBUFFER(arg) = (%_ClassOf(arg) === 'ArrayBuffer'); |
| macro IS_BOOLEAN(arg) = (typeof(arg) === 'boolean'); |
| macro IS_BOOLEAN_WRAPPER(arg) = (%_ClassOf(arg) === 'Boolean'); |
| macro IS_DATAVIEW(arg) = (%_ClassOf(arg) === 'DataView'); |
| macro IS_DATE(arg) = (%IsDate(arg)); |
| macro IS_ERROR(arg) = (%_ClassOf(arg) === 'Error'); |
| macro IS_FUNCTION(arg) = (%IsFunction(arg)); |
| macro IS_GENERATOR(arg) = (%_ClassOf(arg) === 'Generator'); |
| macro IS_GLOBAL(arg) = (%_ClassOf(arg) === 'global'); |
| macro IS_MAP(arg) = (%_ClassOf(arg) === 'Map'); |
| macro IS_MAP_ITERATOR(arg) = (%_ClassOf(arg) === 'Map Iterator'); |
| macro IS_NULL(arg) = (arg === null); |
| macro IS_NULL_OR_UNDEFINED(arg) = (arg == null); |
| macro IS_NUMBER(arg) = (typeof(arg) === 'number'); |
| macro IS_NUMBER_WRAPPER(arg) = (%_ClassOf(arg) === 'Number'); |
| macro IS_OBJECT(arg) = (typeof(arg) === 'object'); |
| macro IS_PROXY(arg) = (%_IsJSProxy(arg)); |
| macro IS_REGEXP(arg) = (%_IsRegExp(arg)); |
| macro IS_SCRIPT(arg) = (%_ClassOf(arg) === 'Script'); |
| macro IS_SET(arg) = (%_ClassOf(arg) === 'Set'); |
| macro IS_SET_ITERATOR(arg) = (%_ClassOf(arg) === 'Set Iterator'); |
| macro IS_SHAREDARRAYBUFFER(arg) = (%_ClassOf(arg) === 'SharedArrayBuffer'); |
| macro IS_SIMD_VALUE(arg) = (%IsSimdValue(arg)); |
| macro IS_STRING(arg) = (typeof(arg) === 'string'); |
| macro IS_STRING_WRAPPER(arg) = (%_ClassOf(arg) === 'String'); |
| macro IS_STRONG(arg) = (%IsStrong(arg)); |
| macro IS_SYMBOL(arg) = (typeof(arg) === 'symbol'); |
| macro IS_SYMBOL_WRAPPER(arg) = (%_ClassOf(arg) === 'Symbol'); |
| macro IS_UNDEFINED(arg) = (arg === (void 0)); |
| macro IS_WEAKMAP(arg) = (%_ClassOf(arg) === 'WeakMap'); |
| macro IS_WEAKSET(arg) = (%_ClassOf(arg) === 'WeakSet'); |
| |
| # Macro for ES queries of the type: "Type(O) is Object." |
| macro IS_RECEIVER(arg) = (%_IsJSReceiver(arg)); |
| |
| # Macro for ES queries of the type: "IsCallable(O)" |
| macro IS_CALLABLE(arg) = (typeof(arg) === 'function'); |
| |
| # Macro for ES6 CheckObjectCoercible |
| # Will throw a TypeError of the form "[functionName] called on null or undefined". |
| macro CHECK_OBJECT_COERCIBLE(arg, functionName) = if (IS_NULL(%IS_VAR(arg)) || IS_UNDEFINED(arg)) throw MakeTypeError(kCalledOnNullOrUndefined, functionName); |
| |
| # Inline macros. Use %IS_VAR to make sure arg is evaluated only once. |
| macro NUMBER_IS_NAN(arg) = (!%_IsSmi(%IS_VAR(arg)) && !(arg == arg)); |
| macro NUMBER_IS_FINITE(arg) = (%_IsSmi(%IS_VAR(arg)) || ((arg == arg) && (arg != 1/0) && (arg != -1/0))); |
| macro TO_BOOLEAN(arg) = (!!(arg)); |
| macro TO_INTEGER(arg) = (%_ToInteger(arg)); |
| macro TO_INTEGER_MAP_MINUS_ZERO(arg) = (%_IsSmi(%IS_VAR(arg)) ? arg : %NumberToIntegerMapMinusZero(arg)); |
| macro TO_INT32(arg) = ((arg) | 0); |
| macro TO_UINT32(arg) = ((arg) >>> 0); |
| macro TO_LENGTH(arg) = (%_ToLength(arg)); |
| macro TO_STRING(arg) = (%_ToString(arg)); |
| macro TO_NUMBER(arg) = (%_ToNumber(arg)); |
| macro TO_OBJECT(arg) = (%_ToObject(arg)); |
| macro TO_PRIMITIVE(arg) = (%_ToPrimitive(arg)); |
| macro TO_PRIMITIVE_NUMBER(arg) = (%_ToPrimitive_Number(arg)); |
| macro TO_PRIMITIVE_STRING(arg) = (%_ToPrimitive_String(arg)); |
| macro TO_NAME(arg) = (%_ToName(arg)); |
| macro JSON_NUMBER_TO_STRING(arg) = ((%_IsSmi(%IS_VAR(arg)) || arg - arg == 0) ? %_NumberToString(arg) : "null"); |
| macro HAS_OWN_PROPERTY(arg, index) = (%_Call(ObjectHasOwnProperty, arg, index)); |
| macro HAS_INDEX(array, index, is_array) = ((is_array && %_HasFastPackedElements(%IS_VAR(array))) ? (index < array.length) : (index in array)); |
| |
| # Private names. |
| macro IS_PRIVATE(sym) = (%SymbolIsPrivate(sym)); |
| macro HAS_PRIVATE(obj, sym) = (%HasOwnProperty(obj, sym)); |
| macro HAS_DEFINED_PRIVATE(obj, sym) = (!IS_UNDEFINED(obj[sym])); |
| macro GET_PRIVATE(obj, sym) = (obj[sym]); |
| macro SET_PRIVATE(obj, sym, val) = (obj[sym] = val); |
| |
| # Constants. The compiler constant folds them. |
| define INFINITY = (1/0); |
| define UNDEFINED = (void 0); |
| |
| # Macros implemented in Python. |
| python macro CHAR_CODE(str) = ord(str[1]); |
| |
| # Constants used on an array to implement the properties of the RegExp object. |
| define REGEXP_NUMBER_OF_CAPTURES = 0; |
| define REGEXP_FIRST_CAPTURE = 3; |
| |
| # Macros for internal slot access. |
| macro REGEXP_GLOBAL(regexp) = (%_RegExpFlags(regexp) & 1); |
| macro REGEXP_IGNORE_CASE(regexp) = (%_RegExpFlags(regexp) & 2); |
| macro REGEXP_MULTILINE(regexp) = (%_RegExpFlags(regexp) & 4); |
| macro REGEXP_STICKY(regexp) = (%_RegExpFlags(regexp) & 8); |
| macro REGEXP_UNICODE(regexp) = (%_RegExpFlags(regexp) & 16); |
| macro REGEXP_SOURCE(regexp) = (%_RegExpSource(regexp)); |
| |
| # We can't put macros in macros so we use constants here. |
| # REGEXP_NUMBER_OF_CAPTURES |
| macro NUMBER_OF_CAPTURES(array) = ((array)[0]); |
| |
| # Last input and last subject of regexp matches. |
| define LAST_SUBJECT_INDEX = 1; |
| macro LAST_SUBJECT(array) = ((array)[1]); |
| macro LAST_INPUT(array) = ((array)[2]); |
| |
| # REGEXP_FIRST_CAPTURE |
| macro CAPTURE(index) = (3 + (index)); |
| define CAPTURE0 = 3; |
| define CAPTURE1 = 4; |
| |
| # For the regexp capture override array. This has the same |
| # format as the arguments to a function called from |
| # String.prototype.replace. |
| macro OVERRIDE_MATCH(override) = ((override)[0]); |
| macro OVERRIDE_POS(override) = ((override)[(override).length - 2]); |
| macro OVERRIDE_SUBJECT(override) = ((override)[(override).length - 1]); |
| # 1-based so index of 1 returns the first capture |
| macro OVERRIDE_CAPTURE(override, index) = ((override)[(index)]); |
| |
| # PropertyDescriptor return value indices - must match |
| # PropertyDescriptorIndices in runtime-object.cc. |
| define IS_ACCESSOR_INDEX = 0; |
| define VALUE_INDEX = 1; |
| define GETTER_INDEX = 2; |
| define SETTER_INDEX = 3; |
| define WRITABLE_INDEX = 4; |
| define ENUMERABLE_INDEX = 5; |
| define CONFIGURABLE_INDEX = 6; |
| |
| # For messages.js |
| # Matches Script::Type from objects.h |
| define TYPE_NATIVE = 0; |
| define TYPE_EXTENSION = 1; |
| define TYPE_NORMAL = 2; |
| |
| # Matches Script::CompilationType from objects.h |
| define COMPILATION_TYPE_HOST = 0; |
| define COMPILATION_TYPE_EVAL = 1; |
| define COMPILATION_TYPE_JSON = 2; |
| |
| # Matches Messages::kNoLineNumberInfo from v8.h |
| define kNoLineNumberInfo = 0; |
| |
| # Must match PropertyFilter in property-details.h |
| define PROPERTY_FILTER_NONE = 0; |
| define PROPERTY_FILTER_ONLY_ENUMERABLE = 2; |
| define PROPERTY_FILTER_SKIP_STRINGS = 8; |
| define PROPERTY_FILTER_SKIP_SYMBOLS = 16; |
| |
| # Use for keys, values and entries iterators. |
| define ITERATOR_KIND_KEYS = 1; |
| define ITERATOR_KIND_VALUES = 2; |
| define ITERATOR_KIND_ENTRIES = 3; |
| |
| macro FIXED_ARRAY_GET(array, index) = (%_FixedArrayGet(array, (index) | 0)); |
| macro FIXED_ARRAY_SET(array, index, value) = (%_FixedArraySet(array, (index) | 0, value)); |
| # TODO(adamk): Find a more robust way to force Smi representation. |
| macro FIXED_ARRAY_SET_SMI(array, index, value) = (FIXED_ARRAY_SET(array, index, (value) | 0)); |
| |
| macro ORDERED_HASH_TABLE_BUCKET_COUNT(table) = (FIXED_ARRAY_GET(table, 0)); |
| macro ORDERED_HASH_TABLE_ELEMENT_COUNT(table) = (FIXED_ARRAY_GET(table, 1)); |
| macro ORDERED_HASH_TABLE_SET_ELEMENT_COUNT(table, count) = (FIXED_ARRAY_SET_SMI(table, 1, count)); |
| macro ORDERED_HASH_TABLE_DELETED_COUNT(table) = (FIXED_ARRAY_GET(table, 2)); |
| macro ORDERED_HASH_TABLE_SET_DELETED_COUNT(table, count) = (FIXED_ARRAY_SET_SMI(table, 2, count)); |
| macro ORDERED_HASH_TABLE_BUCKET_AT(table, bucket) = (FIXED_ARRAY_GET(table, 3 + (bucket))); |
| macro ORDERED_HASH_TABLE_SET_BUCKET_AT(table, bucket, entry) = (FIXED_ARRAY_SET(table, 3 + (bucket), entry)); |
| |
| macro ORDERED_HASH_TABLE_HASH_TO_BUCKET(hash, numBuckets) = (hash & ((numBuckets) - 1)); |
| |
| macro ORDERED_HASH_SET_ENTRY_TO_INDEX(entry, numBuckets) = (3 + (numBuckets) + ((entry) << 1)); |
| macro ORDERED_HASH_SET_KEY_AT(table, entry, numBuckets) = (FIXED_ARRAY_GET(table, ORDERED_HASH_SET_ENTRY_TO_INDEX(entry, numBuckets))); |
| macro ORDERED_HASH_SET_CHAIN_AT(table, entry, numBuckets) = (FIXED_ARRAY_GET(table, ORDERED_HASH_SET_ENTRY_TO_INDEX(entry, numBuckets) + 1)); |
| |
| macro ORDERED_HASH_MAP_ENTRY_TO_INDEX(entry, numBuckets) = (3 + (numBuckets) + ((entry) * 3)); |
| macro ORDERED_HASH_MAP_KEY_AT(table, entry, numBuckets) = (FIXED_ARRAY_GET(table, ORDERED_HASH_MAP_ENTRY_TO_INDEX(entry, numBuckets))); |
| macro ORDERED_HASH_MAP_VALUE_AT(table, entry, numBuckets) = (FIXED_ARRAY_GET(table, ORDERED_HASH_MAP_ENTRY_TO_INDEX(entry, numBuckets) + 1)); |
| macro ORDERED_HASH_MAP_CHAIN_AT(table, entry, numBuckets) = (FIXED_ARRAY_GET(table, ORDERED_HASH_MAP_ENTRY_TO_INDEX(entry, numBuckets) + 2)); |
| |
| # Must match OrderedHashTable::kNotFound. |
| define NOT_FOUND = -1; |
| |
| # Check whether debug is active. |
| define DEBUG_IS_ACTIVE = (%_DebugIsActive() != 0); |
| macro DEBUG_PREPARE_STEP_IN_IF_STEPPING(function) = if (%_DebugIsActive() != 0) %DebugPrepareStepInIfStepping(function); |
| |
| # SharedFlag equivalents |
| define kNotShared = false; |
| define kShared = true; |
| |
| # UseCounters from include/v8.h |
| define kUseAsm = 0; |
| define kBreakIterator = 1; |
| define kLegacyConst = 2; |
| define kMarkDequeOverflow = 3; |
| define kStoreBufferOverflow = 4; |
| define kSlotsBufferOverflow = 5; |
| define kObjectObserve = 6; |
| define kForcedGC = 7; |
| define kSloppyMode = 8; |
| define kStrictMode = 9; |
| define kStrongMode = 10; |
| define kRegExpPrototypeStickyGetter = 11; |
| define kRegExpPrototypeToString = 12; |
| define kRegExpPrototypeUnicodeGetter = 13; |
| define kIntlV8Parse = 14; |
| define kIntlPattern = 15; |
| define kIntlResolved = 16; |
| define kPromiseChain = 17; |
| define kPromiseAccept = 18; |
| define kPromiseDefer = 19; |