| # Copyright 2006-2008 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. |
| |
| const NONE = 0; |
| const READ_ONLY = 1; |
| const DONT_ENUM = 2; |
| const DONT_DELETE = 4; |
| |
| # Constants used for getter and setter operations. |
| const GETTER = 0; |
| const SETTER = 1; |
| |
| # These definitions must match the index of the properties in objects.h. |
| const kApiTagOffset = 0; |
| const kApiPropertyListOffset = 1; |
| const kApiSerialNumberOffset = 2; |
| const kApiConstructorOffset = 2; |
| const kApiPrototypeTemplateOffset = 5; |
| const kApiParentTemplateOffset = 6; |
| |
| const NO_HINT = 0; |
| const NUMBER_HINT = 1; |
| const STRING_HINT = 2; |
| |
| const kFunctionTag = 0; |
| const kNewObjectTag = 1; |
| |
| # For date.js. |
| const HoursPerDay = 24; |
| const MinutesPerHour = 60; |
| const SecondsPerMinute = 60; |
| const msPerSecond = 1000; |
| const msPerMinute = 60000; |
| const msPerHour = 3600000; |
| const msPerDay = 86400000; |
| |
| # For apinatives.js |
| const kUninitialized = -1; |
| |
| # Note: kDayZeroInJulianDay = ToJulianDay(1970, 0, 1). |
| const kInvalidDate = 'Invalid Date'; |
| const kDayZeroInJulianDay = 2440588; |
| const kMonthMask = 0x1e0; |
| const kDayMask = 0x01f; |
| const kYearShift = 9; |
| const kMonthShift = 5; |
| |
| # Type query macros. |
| macro IS_NULL(arg) = (arg === null); |
| macro IS_NULL_OR_UNDEFINED(arg) = (arg == null); |
| macro IS_UNDEFINED(arg) = (typeof(arg) === 'undefined'); |
| macro IS_FUNCTION(arg) = (typeof(arg) === 'function'); |
| macro IS_NUMBER(arg) = (typeof(arg) === 'number'); |
| macro IS_STRING(arg) = (typeof(arg) === 'string'); |
| macro IS_OBJECT(arg) = (typeof(arg) === 'object'); |
| macro IS_BOOLEAN(arg) = (typeof(arg) === 'boolean'); |
| macro IS_REGEXP(arg) = %HasRegExpClass(arg); |
| macro IS_ARRAY(arg) = %HasArrayClass(arg); |
| macro IS_DATE(arg) = %HasDateClass(arg); |
| macro IS_ERROR(arg) = (%ClassOf(arg) === 'Error'); |
| macro IS_SCRIPT(arg) = (%ClassOf(arg) === 'Script'); |
| macro FLOOR(arg) = %Math_floor(arg); |
| |
| # 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 TO_INTEGER(arg) = (%_IsSmi(%IS_VAR(arg)) ? arg : ToInteger(arg)); |
| macro TO_INT32(arg) = (%_IsSmi(%IS_VAR(arg)) ? arg : ToInt32(arg)); |
| |
| # Macros implemented in Python. |
| python macro CHAR_CODE(str) = ord(str[1]); |
| |
| # Accessors for original global properties that ensure they have been loaded. |
| const ORIGINAL_REGEXP = (global.RegExp, $RegExp); |
| const ORIGINAL_DATE = (global.Date, $Date); |