summaryrefslogtreecommitdiff
path: root/deps/v8/src/macros.py
diff options
context:
space:
mode:
Diffstat (limited to 'deps/v8/src/macros.py')
-rw-r--r--deps/v8/src/macros.py120
1 files changed, 120 insertions, 0 deletions
diff --git a/deps/v8/src/macros.py b/deps/v8/src/macros.py
new file mode 100644
index 000000000..d78ecd94d
--- /dev/null
+++ b/deps/v8/src/macros.py
@@ -0,0 +1,120 @@
+# 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.
+
+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);
+
+# Constants used on an array to implement the properties of the RegExp object.
+const REGEXP_NUMBER_OF_CAPTURES = 0;
+const REGEXP_FIRST_CAPTURE = 3;
+
+# 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 are after the captures so we can omit them on
+# results returned from global searches. Beware - these evaluate their
+# arguments twice.
+macro LAST_SUBJECT(array) = ((array)[1]);
+macro LAST_INPUT(array) = ((array)[2]);
+
+# REGEXP_FIRST_CAPTURE
+macro CAPTURE(index) = (3 + (index));
+const CAPTURE0 = 3;
+const CAPTURE1 = 4;