Revision f230a1cf deps/v8/src/v8natives.js
| deps/v8/src/v8natives.js | ||
|---|---|---|
| 32 | 32 |
// var $Number = global.Number; |
| 33 | 33 |
// var $Function = global.Function; |
| 34 | 34 |
// var $Array = global.Array; |
| 35 |
// var $NaN = 0/0; |
|
| 36 | 35 |
// |
| 37 | 36 |
// in math.js: |
| 38 | 37 |
// var $floor = MathFloor |
| ... | ... | |
| 95 | 94 |
} |
| 96 | 95 |
if (fields) {
|
| 97 | 96 |
for (var i = 0; i < fields.length; i++) {
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| 98 |
%SetProperty(prototype, fields[i], void 0, DONT_ENUM | DONT_DELETE);
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| 97 |
%SetProperty(prototype, fields[i], UNDEFINED, DONT_ENUM | DONT_DELETE);
|
|
| 99 | 98 |
} |
| 100 | 99 |
} |
| 101 | 100 |
for (var i = 0; i < methods.length; i += 2) {
|
| ... | ... | |
| 148 | 147 |
string = TO_STRING_INLINE(string); |
| 149 | 148 |
radix = TO_INT32(radix); |
| 150 | 149 |
if (!(radix == 0 || (2 <= radix && radix <= 36))) {
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| 151 |
return $NaN;
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|
| 150 |
return NAN;
|
|
| 152 | 151 |
} |
| 153 | 152 |
} |
| 154 | 153 |
|
| ... | ... | |
| 197 | 196 |
function SetUpGlobal() {
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| 198 | 197 |
%CheckIsBootstrapping(); |
| 199 | 198 |
|
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var attributes = DONT_ENUM | DONT_DELETE | READ_ONLY; |
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| 200 |
|
|
| 200 | 201 |
// ECMA 262 - 15.1.1.1. |
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%SetProperty(global, "NaN", $NaN, DONT_ENUM | DONT_DELETE | READ_ONLY);
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|
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%SetProperty(global, "NaN", NAN, attributes);
|
|
| 202 | 203 |
|
| 203 | 204 |
// ECMA-262 - 15.1.1.2. |
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%SetProperty(global, "Infinity", 1/0, DONT_ENUM | DONT_DELETE | READ_ONLY);
|
|
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%SetProperty(global, "Infinity", INFINITY, attributes);
|
|
| 205 | 206 |
|
| 206 | 207 |
// ECMA-262 - 15.1.1.3. |
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%SetProperty(global, "undefined", void 0, |
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DONT_ENUM | DONT_DELETE | READ_ONLY); |
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%SetProperty(global, "undefined", UNDEFINED, attributes); |
|
| 209 | 209 |
|
| 210 | 210 |
// Set up non-enumerable function on the global object. |
| 211 | 211 |
InstallFunctions(global, DONT_ENUM, $Array( |
| ... | ... | |
| 475 | 475 |
function ToCompletePropertyDescriptor(obj) {
|
| 476 | 476 |
var desc = ToPropertyDescriptor(obj); |
| 477 | 477 |
if (IsGenericDescriptor(desc) || IsDataDescriptor(desc)) {
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if (!desc.hasValue()) desc.setValue(void 0);
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if (!desc.hasValue()) desc.setValue(UNDEFINED);
|
|
| 479 | 479 |
if (!desc.hasWritable()) desc.setWritable(false); |
| 480 | 480 |
} else {
|
| 481 | 481 |
// Is accessor descriptor. |
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if (!desc.hasGetter()) desc.setGet(void 0);
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|
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if (!desc.hasSetter()) desc.setSet(void 0);
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if (!desc.hasGetter()) desc.setGet(UNDEFINED);
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if (!desc.hasSetter()) desc.setSet(UNDEFINED);
|
|
| 484 | 484 |
} |
| 485 | 485 |
if (!desc.hasEnumerable()) desc.setEnumerable(false); |
| 486 | 486 |
if (!desc.hasConfigurable()) desc.setConfigurable(false); |
| ... | ... | |
| 491 | 491 |
function PropertyDescriptor() {
|
| 492 | 492 |
// Initialize here so they are all in-object and have the same map. |
| 493 | 493 |
// Default values from ES5 8.6.1. |
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this.value_ = void 0;
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this.value_ = UNDEFINED;
|
|
| 495 | 495 |
this.hasValue_ = false; |
| 496 | 496 |
this.writable_ = false; |
| 497 | 497 |
this.hasWritable_ = false; |
| ... | ... | |
| 499 | 499 |
this.hasEnumerable_ = false; |
| 500 | 500 |
this.configurable_ = false; |
| 501 | 501 |
this.hasConfigurable_ = false; |
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this.get_ = void 0;
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this.get_ = UNDEFINED;
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|
| 503 | 503 |
this.hasGetter_ = false; |
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this.set_ = void 0;
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this.set_ = UNDEFINED;
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|
| 505 | 505 |
this.hasSetter_ = false; |
| 506 | 506 |
} |
| 507 | 507 |
|
| ... | ... | |
| 593 | 593 |
} |
| 594 | 594 |
|
| 595 | 595 |
if (IS_UNDEFINED(desc_array)) {
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return void 0;
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return UNDEFINED;
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| 597 | 597 |
} |
| 598 | 598 |
|
| 599 | 599 |
var desc = new PropertyDescriptor(); |
| ... | ... | |
| 647 | 647 |
var p = ToName(v); |
| 648 | 648 |
if (%IsJSProxy(obj)) {
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| 649 | 649 |
// TODO(rossberg): adjust once there is a story for symbols vs proxies. |
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if (IS_SYMBOL(v)) return void 0;
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if (IS_SYMBOL(v)) return UNDEFINED;
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| 651 | 651 |
|
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var handler = %GetHandler(obj); |
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var descriptor = CallTrap1(handler, "getOwnPropertyDescriptor", void 0, p); |
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var descriptor = CallTrap1( |
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handler, "getOwnPropertyDescriptor", UNDEFINED, p); |
|
| 654 | 655 |
if (IS_UNDEFINED(descriptor)) return descriptor; |
| 655 | 656 |
var desc = ToCompletePropertyDescriptor(descriptor); |
| 656 | 657 |
if (!desc.isConfigurable()) {
|
| ... | ... | |
| 666 | 667 |
var props = %GetOwnProperty(ToObject(obj), p); |
| 667 | 668 |
|
| 668 | 669 |
// A false value here means that access checks failed. |
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if (props === false) return void 0;
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if (props === false) return UNDEFINED;
|
|
| 670 | 671 |
|
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return ConvertDescriptorArrayToDescriptor(props); |
| 672 | 673 |
} |
| ... | ... | |
| 693 | 694 |
if (IS_SYMBOL(p)) return false; |
| 694 | 695 |
|
| 695 | 696 |
var handler = %GetHandler(obj); |
| 696 |
var result = CallTrap2(handler, "defineProperty", void 0, p, attributes);
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var result = CallTrap2(handler, "defineProperty", UNDEFINED, p, attributes);
|
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if (!ToBoolean(result)) {
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| 698 | 699 |
if (should_throw) {
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| 699 | 700 |
throw MakeTypeError("handler_returned_false",
|
| ... | ... | |
| 710 | 711 |
function DefineObjectProperty(obj, p, desc, should_throw) {
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| 711 | 712 |
var current_or_access = %GetOwnProperty(ToObject(obj), ToName(p)); |
| 712 | 713 |
// A false value here means that access checks failed. |
| 713 |
if (current_or_access === false) return void 0;
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if (current_or_access === false) return UNDEFINED;
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|
| 714 | 715 |
|
| 715 | 716 |
var current = ConvertDescriptorArrayToDescriptor(current_or_access); |
| 716 | 717 |
var extensible = %IsExtensible(ToObject(obj)); |
| ... | ... | |
| 841 | 842 |
flag |= READ_ONLY; |
| 842 | 843 |
} |
| 843 | 844 |
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var value = void 0; // Default value is undefined.
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var value = UNDEFINED; // Default value is undefined.
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if (desc.hasValue()) {
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| 846 | 847 |
value = desc.getValue(); |
| 847 | 848 |
} else if (!IS_UNDEFINED(current) && IsDataDescriptor(current)) {
|
| ... | ... | |
| 920 | 921 |
// For the time being, we need a hack to prevent Object.observe from |
| 921 | 922 |
// generating two change records. |
| 922 | 923 |
obj.length = new_length; |
| 923 |
desc.value_ = void 0;
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desc.value_ = UNDEFINED;
|
|
| 924 | 925 |
desc.hasValue_ = false; |
| 925 | 926 |
threw = !DefineObjectProperty(obj, "length", desc, should_throw) || threw; |
| 926 | 927 |
if (emit_splice) {
|
| ... | ... | |
| 1045 | 1046 |
// Special handling for proxies. |
| 1046 | 1047 |
if (%IsJSProxy(obj)) {
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| 1047 | 1048 |
var handler = %GetHandler(obj); |
| 1048 |
var names = CallTrap0(handler, "getOwnPropertyNames", void 0);
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var names = CallTrap0(handler, "getOwnPropertyNames", UNDEFINED);
|
|
| 1049 | 1050 |
return ToNameArray(names, "getOwnPropertyNames", false); |
| 1050 | 1051 |
} |
| 1051 | 1052 |
|
| ... | ... | |
| 1194 | 1195 |
// Harmony proxies. |
| 1195 | 1196 |
function ProxyFix(obj) {
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| 1196 | 1197 |
var handler = %GetHandler(obj); |
| 1197 |
var props = CallTrap0(handler, "fix", void 0);
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var props = CallTrap0(handler, "fix", UNDEFINED);
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| 1198 | 1199 |
if (IS_UNDEFINED(props)) {
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| 1199 | 1200 |
throw MakeTypeError("handler_returned_undefined", [handler, "fix"]);
|
| 1200 | 1201 |
} |
| ... | ... | |
| 1560 | 1561 |
} |
| 1561 | 1562 |
|
| 1562 | 1563 |
if (NUMBER_IS_NAN(x)) return "NaN"; |
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if (x == 1/0) return "Infinity";
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if (x == -1/0) return "-Infinity";
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if (x == INFINITY) return "Infinity";
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| 1565 |
if (x == -INFINITY) return "-Infinity";
|
|
| 1565 | 1566 |
|
| 1566 | 1567 |
return %NumberToFixed(x, f); |
| 1567 | 1568 |
} |
| ... | ... | |
| 1578 | 1579 |
// Get the value of this number in case it's an object. |
| 1579 | 1580 |
x = %_ValueOf(this); |
| 1580 | 1581 |
} |
| 1581 |
var f = IS_UNDEFINED(fractionDigits) ? void 0 : TO_INTEGER(fractionDigits);
|
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| 1582 |
var f = IS_UNDEFINED(fractionDigits) ? UNDEFINED : TO_INTEGER(fractionDigits);
|
|
| 1582 | 1583 |
|
| 1583 | 1584 |
if (NUMBER_IS_NAN(x)) return "NaN"; |
| 1584 |
if (x == 1/0) return "Infinity";
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| 1585 |
if (x == -1/0) return "-Infinity";
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| 1585 |
if (x == INFINITY) return "Infinity";
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| 1586 |
if (x == -INFINITY) return "-Infinity";
|
|
| 1586 | 1587 |
|
| 1587 | 1588 |
if (IS_UNDEFINED(f)) {
|
| 1588 | 1589 |
f = -1; // Signal for runtime function that f is not defined. |
| ... | ... | |
| 1608 | 1609 |
var p = TO_INTEGER(precision); |
| 1609 | 1610 |
|
| 1610 | 1611 |
if (NUMBER_IS_NAN(x)) return "NaN"; |
| 1611 |
if (x == 1/0) return "Infinity";
|
|
| 1612 |
if (x == -1/0) return "-Infinity";
|
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| 1612 |
if (x == INFINITY) return "Infinity";
|
|
| 1613 |
if (x == -INFINITY) return "-Infinity";
|
|
| 1613 | 1614 |
|
| 1614 | 1615 |
if (p < 1 || p > 21) {
|
| 1615 | 1616 |
throw new $RangeError("toPrecision() argument must be between 1 and 21");
|
| ... | ... | |
| 1654 | 1655 |
DONT_ENUM | DONT_DELETE | READ_ONLY); |
| 1655 | 1656 |
|
| 1656 | 1657 |
// ECMA-262 section 15.7.3.3. |
| 1657 |
%SetProperty($Number, "NaN", $NaN, DONT_ENUM | DONT_DELETE | READ_ONLY);
|
|
| 1658 |
%SetProperty($Number, "NaN", NAN, DONT_ENUM | DONT_DELETE | READ_ONLY);
|
|
| 1658 | 1659 |
|
| 1659 | 1660 |
// ECMA-262 section 15.7.3.4. |
| 1660 | 1661 |
%SetProperty($Number, |
| 1661 | 1662 |
"NEGATIVE_INFINITY", |
| 1662 |
-1/0,
|
|
| 1663 |
-INFINITY,
|
|
| 1663 | 1664 |
DONT_ENUM | DONT_DELETE | READ_ONLY); |
| 1664 | 1665 |
|
| 1665 | 1666 |
// ECMA-262 section 15.7.3.5. |
| 1666 | 1667 |
%SetProperty($Number, |
| 1667 | 1668 |
"POSITIVE_INFINITY", |
| 1668 |
1/0,
|
|
| 1669 |
INFINITY,
|
|
| 1669 | 1670 |
DONT_ENUM | DONT_DELETE | READ_ONLY); |
| 1670 | 1671 |
%ToFastProperties($Number); |
| 1671 | 1672 |
|
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