// 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.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
// This files contains runtime support implemented in JavaScript.
var $Function = global.Function;
var $Boolean = global.Boolean;
var $NaN = %GetRootNaN();
-var builtins = this;
// ECMA-262 Section 11.9.3.
function EQUALS(y) {
if (IS_NUMBER(y)) return %NumberEquals(%ToNumber(x), y);
if (IS_BOOLEAN(y)) return %NumberEquals(%ToNumber(x), %ToNumber(y));
if (IS_NULL_OR_UNDEFINED(y)) return 1; // not equal
+ if (IsFloat32x4(y) || IsFloat64x2(y) || IsInt32x4(y)) {
+ return %StringEquals(x, %ToString(y));
+ }
y = %ToPrimitive(y, NO_HINT);
}
} else if (IS_SYMBOL(x)) {
+ if (IS_SYMBOL(y)) return %_ObjectEquals(x, y) ? 0 : 1;
+ return 1; // not equal
+ } else if (IsFloat32x4(x)) {
+ while (true) {
+ if (IsFloat32x4(y) || IsInt32x4(y)) {
+ return (x.x == y.x && x.y == y.y && x.z == y.z && x.w == y.w) ? 0 : 1;
+ }
+ if (IS_STRING(y)) return %StringEquals(%ToString(x), y);
+ if (IS_NUMBER(y)) return 1; // not equal
+ if (IS_SYMBOL(y)) return 1; // not equal
+ if (IS_BOOLEAN(y)) return y ? 0 : 1;
+ if (IS_NULL_OR_UNDEFINED(y)) return 1; // not equal
+ y = %ToPrimitive(y, NO_HINT);
+ }
+ } else if (IsFloat64x2(x)) {
while (true) {
- if (IS_SYMBOL(y)) return %_ObjectEquals(x, y) ? 0 : 1;
- if (!IS_SPEC_OBJECT(y)) return 1; // not equal
+ if (IsFloat64x2(y)) {
+ return (x.x == y.x && x.y == y.y) ? 0 : 1;
+ }
+ if (IS_STRING(y)) return %StringEquals(%ToString(x), y);
+ if (IS_NUMBER(y)) return 1; // not equal
+ if (IS_SYMBOL(y)) return 1; // not equal
+ if (IS_BOOLEAN(y)) return y ? 0 : 1;
+ if (IS_NULL_OR_UNDEFINED(y)) return 1; // not equal
+ y = %ToPrimitive(y, NO_HINT);
+ }
+ } else if (IsInt32x4(x)) {
+ while (true) {
+ if (IsFloat32x4(y) || IsInt32x4(y)) {
+ return (x.x == y.x && x.y == y.y && x.z == y.z && x.w == y.w) ? 0 : 1;
+ }
+ if (IS_STRING(y)) return %StringEquals(%ToString(x), y);
+ if (IS_NUMBER(y)) return 1; // not equal
+ if (IS_SYMBOL(y)) return 1; // not equal
+ if (IS_BOOLEAN(y)) return y ? 0 : 1;
+ if (IS_NULL_OR_UNDEFINED(y)) return 1; // not equal
y = %ToPrimitive(y, NO_HINT);
}
} else if (IS_BOOLEAN(x)) {
if (IS_NUMBER(y)) return %NumberEquals(%ToNumber(x), y);
if (IS_STRING(y)) return %NumberEquals(%ToNumber(x), %ToNumber(y));
if (IS_SYMBOL(y)) return 1; // not equal
+ if (IsFloat32x4(y) || IsFloat64x2(y) || IsInt32x4(y)) return x ? 0 : 1;
// y is object.
x = %ToNumber(x);
y = %ToPrimitive(y, NO_HINT);
return %_ObjectEquals(x, y) ? 0 : 1;
}
if (IS_NULL_OR_UNDEFINED(y)) return 1; // not equal
+ if (IS_SYMBOL(y)) return 1; // not equal
if (IS_BOOLEAN(y)) y = %ToNumber(y);
x = %ToPrimitive(x, NO_HINT);
}
return %NumberEquals(this, x);
}
+ if (IsFloat32x4(this)) {
+ if (!IsFloat32x4(x)) return 1; // not equal
+ return (this.x == x.x && this.y == x.y &&
+ this.z == x.z && this.w == x.w) ? 0 : 1;
+ }
+
+ if (IsFloat64x2(this)) {
+ if (!IsFloat64x2(x)) return 1; // not equal
+ return (this.x == x.x && this.y == x.y) ? 0 : 1;
+ }
+
+ if (IsInt32x4(this)) {
+ if (!IsInt32x4(x)) return 1; // not equal
+ return (this.x == x.x && this.y == x.y &&
+ this.z == x.z && this.w == x.w) ? 0 : 1;
+ }
+
// If anything else gets here, we just do simple identity check.
// Objects (including functions), null, undefined and booleans were
// checked in the CompareStub, so there should be nothing left.
right = %ToPrimitive(x, NUMBER_HINT);
if (IS_STRING(left) && IS_STRING(right)) {
return %_StringCompare(left, right);
+ } else if ((IsFloat32x4(left) || IsInt32x4(left)) &&
+ (IsFloat32x4(right) || IsInt32x4(right))) {
+ if ((left.x == right.x) && (left.y == right.y) &&
+ (left.z == right.z) && (left.w == right.w)) {
+ return 0; // equal
+ }
+ if ((left.x < right.x) && (left.y < right.y) &&
+ (left.z < right.z) && (left.w < right.w)) {
+ return -1; // less
+ }
+ if ((left.x > right.x) && (left.y > right.y) &&
+ (left.z > right.z) && (left.w > right.w)) {
+ return 1; // great
+ }
+ } else if (IsFloat64x2(left) && IsFloat64x2(right)) {
+ if ((left.x == right.x) && (left.y == right.y)) {
+ return 0; // equal
+ }
+ if ((left.x < right.x) && (left.y < right.y)) {
+ return -1; // less
+ }
+ if ((left.x > right.x) && (left.y > right.y)) {
+ return 1; // great
+ }
} else {
var left_number = %ToNumber(left);
var right_number = %ToNumber(right);
function INSTANCE_OF(F) {
var V = this;
if (!IS_SPEC_FUNCTION(F)) {
- throw %MakeTypeError('instanceof_function_expected', [V]);
+ throw %MakeTypeError('instanceof_function_expected', [F]);
}
// If V is not an object, return false.
}
-function APPLY_OVERFLOW(length) {
+function STACK_OVERFLOW(length) {
throw %MakeRangeError('stack_overflow', []);
}
if (IS_STRING(x)) return x;
// Normal behavior.
if (!IS_SPEC_OBJECT(x)) return x;
- if (IS_SYMBOL_WRAPPER(x)) return %_ValueOf(x);
+ if (IS_SYMBOL_WRAPPER(x)) throw MakeTypeError('symbol_to_primitive', []);
if (hint == NO_HINT) hint = (IS_DATE(x)) ? STRING_HINT : NUMBER_HINT;
return (hint == NUMBER_HINT) ? %DefaultNumber(x) : %DefaultString(x);
}
if (IS_BOOLEAN(x)) return x ? 1 : 0;
if (IS_UNDEFINED(x)) return NAN;
if (IS_SYMBOL(x)) return NAN;
+ if (IsFloat32x4(x)) return NAN;
+ if (IsFloat64x2(x)) return NAN;
+ if (IsInt32x4(x)) return NAN;
return (IS_NULL(x)) ? 0 : ToNumber(%DefaultNumber(x));
}
if (IS_BOOLEAN(x)) return x ? 1 : 0;
if (IS_UNDEFINED(x)) return NAN;
if (IS_SYMBOL(x)) return NAN;
+ if (IsFloat32x4(x)) return NAN;
+ if (IsFloat64x2(x)) return NAN;
+ if (IsInt32x4(x)) return NAN;
return (IS_NULL(x)) ? 0 : ToNumber(%DefaultNumber(x));
}
if (IS_NUMBER(x)) return %_NumberToString(x);
if (IS_BOOLEAN(x)) return x ? 'true' : 'false';
if (IS_UNDEFINED(x)) return 'undefined';
+ if (IS_SYMBOL(x)) throw %MakeTypeError('symbol_to_string', []);
return (IS_NULL(x)) ? 'null' : %ToString(%DefaultString(x));
}
if (IS_NUMBER(x)) return %_NumberToString(x);
if (IS_BOOLEAN(x)) return x ? 'true' : 'false';
if (IS_UNDEFINED(x)) return 'undefined';
+ if (IS_SYMBOL(x)) throw %MakeTypeError('symbol_to_string', []);
return (IS_NULL(x)) ? 'null' : %ToString(%DefaultString(x));
}
// ECMA-262, section 9.9, page 36.
function ToObject(x) {
if (IS_STRING(x)) return new $String(x);
- if (IS_SYMBOL(x)) return new $Symbol(x);
if (IS_NUMBER(x)) return new $Number(x);
if (IS_BOOLEAN(x)) return new $Boolean(x);
+ if (IsFloat32x4(x)) return new $Float32x4(x.x, x.y, x.z, x.w);
+ if (IsFloat64x2(x)) return new $Float64x2(x.x, x.y);
+ if (IsInt32x4(x)) return new $Int32x4(x.x, x.y, x.z, x.w);
+ if (IS_SYMBOL(x)) return %NewSymbolWrapper(x);
if (IS_NULL_OR_UNDEFINED(x) && !IS_UNDETECTABLE(x)) {
throw %MakeTypeError('undefined_or_null_to_object', []);
}
if (IS_NUMBER(x)) {
if (NUMBER_IS_NAN(x) && NUMBER_IS_NAN(y)) return true;
// x is +0 and y is -0 or vice versa.
- if (x === 0 && y === 0 && (1 / x) != (1 / y)) return false;
+ if (x === 0 && y === 0 && %_IsMinusZero(x) != %_IsMinusZero(y)) {
+ return false;
+ }
}
return x === y;
}
function ToPositiveInteger(x, rangeErrorName) {
var i = TO_INTEGER(x);
- if (i < 0) throw %MakeRangeError(rangeErrorName);
+ if (i < 0) throw MakeRangeError(rangeErrorName);
return i;
}
projects / platform / framework / web / crosswalk.git / blobdiff