```
js> dumpValue(true);
{
"type": "boolean",
"value": true
}
js> dumpValue(null);
{
"type": "null"
}
js> dumpValue(undefined);
{
"type": "undefined"
}
js> dumpValue(10);
{
"type": "int32",
"value": 10
}
js> dumpValue(1.1);
{
"type": "double",
"value": "1.1",
"private": "0x3ff199999999999a"
}
js> dumpValue(10n);
{
"type": "bigint",
"digitLength": 1,
"value": "10n"
}
js> dumpValue("foo");
{
"type": "string",
"address": "(JSAtom*)0x536bd42d480",
"flags": [ "ATOM_BIT", "LINEAR_BIT", "INLINE_BIT", "PERMANENT", "LATIN1_CHARS_BIT", "PINNED_ATOM_BIT" ],
"isTenured": true,
"length": 3,
"chars": "(JS::Latin1Char*)0x536bd42d488",
"value": "foo"
}
js> dumpValue(Symbol.iterator);
{
"type": "symbol",
"address": "0x536bd43a040",
"code": "iterator",
"description": "Symbol.iterator"
}
js> dumpValue(Symbol("foo"));
{
"type": "symbol",
"address": "0x536bd471030",
"code": "UniqueSymbol",
"description": "foo"
}
js> dumpValue(Symbol.for("foo"));
{
"type": "symbol",
"address": "0x536bd471040",
"code": "InSymbolRegistry",
"description": "foo"
}
js> dumpValue(/foo/ig);
{
"type": "object",
"address": "0x1aa29d500798",
"global": "<global @ 0x536bd43e030>",
"class": "<0x106143b78 [RegExp]>",
"shape": "<0x536bd466fa0, objectFlags=[]>",
"proto": "<RegExp.prototype @ 0x536bd441100>",
"regexpFlags": [ "IgnoreCase", "Global" ],
"elementsHeader": "<0x104bf5b50, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "0",
"1": "'foo' @ (JSAtom*)0x536bd42d480",
"2": "3",
"3": "<private GCThing @ 0x536bd472098>"
},
"properties": {
"lastIndex": "0 (map=0x536bd444f30, index=0, writable, slot=0)"
}
}
js> dumpValue({});
{
"type": "object",
"address": "0x1aa29d5007d8",
"global": "<global @ 0x536bd43e030>",
"class": "<0x106137848 [Object]>",
"shape": "<0x536bd466fc0, objectFlags=[]>",
"proto": "<Object @ 0x536bd441040>",
"elementsHeader": "<0x104bf5b50, flags=[], init=0, capacity=0, length=0>",
"properties": {
}
}
js> dumpValue([]);
{
"type": "object",
"address": "0x1aa29d500818",
"global": "<global @ 0x536bd43e030>",
"class": "<0x106135520 [Array]>",
"shape": "<0x536bd466580, objectFlags=[]>",
"proto": "<Array @ 0x536bd43e088>",
"elementsHeader": "<0x1aa29d500830, flags=[FIXED], init=0, capacity=6, length=0>",
"properties": {
"length": "(map=0x536bd45f780, index=0, writable, <custom-data-prop>)"
}
}
js> dumpValue(Array);
{
"type": "object",
"address": "0x536bd463820",
"global": "<global @ 0x536bd43e030>",
"class": "<0x1061416d8 [Function]>",
"shape": "<0x536bd466320, objectFlags=[]>",
"proto": "<Function (anonymous) @ 0x536bd443040>",
"displayAtom": "Array",
"nargs": 1,
"functionFlags": [ "NORMAL_KIND", "CONSTRUCTOR" ],
"native": "0x1028434a8",
"jitInfo": "0x104c4d030",
"elementsHeader": "<0x104bf5b50, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "65664",
"1": "2.1428545825e-314 / <private @ 0x1028434a8>",
"2": "2.161524608e-314 / <private @ 0x104c4d030>",
"3": "'Array' @ (JSAtom*)0x536bd42c560"
},
"properties": {
"isArray": "<Function isArray @ 0x536bd463b30> (map=0x536bd444bf0, index=0, configurable, writable, slot=4)"
"from": "<Function from @ 0x536bd445e50> (map=0x536bd444bf0, index=1, configurable, writable, slot=5)"
"of": "<Function of @ 0x536bd463b68> (map=0x536bd444bf0, index=2, configurable, writable, slot=6)"
"Symbol.species": "getter=0x536bd445e98, setter=0x0 (map=0x536bd444bf0, index=3, configurable, slot=7)"
"prototype": "<Array @ 0x536bd43e088> (map=0x536bd444bf0, index=4, slot=8)"
}
}
js> dumpValue(function f() {});
{
"type": "object",
"address": "0x1aa29d500878",
"global": "<global @ 0x536bd43e030>",
"class": "<0x1061416d8 [Function]>",
"shape": "<0x536bd43d160, objectFlags=[]>",
"proto": "<Function (anonymous) @ 0x536bd443040>",
"displayAtom": "f",
"baseScript": "/Users/arai/Documents/xpi/mozpatch/dump-value/test.js:60:20 @ 0x536bd46a060",
"nargs": 0,
"functionFlags": [ "NORMAL_KIND", "BASESCRIPT", "CONSTRUCTOR", "LAMBDA" ],
"elementsHeader": "<0x104bf5b50, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "672",
"1": "<LexicalEnvironment @ 0x536bd43f038>",
"2": "2.832311301673e-311 / <private @ 0x536bd46a060>",
"3": "'f' @ (JSAtom*)0x536bd404d00"
},
"properties": {
}
}
js> dumpValue(new Int8Array([1, 2, 3]));
{
"type": "object",
"address": "0x1aa29d5008b8",
"global": "<global @ 0x536bd43e030>",
"class": "<0x106147e28 [Int8Array]>",
"shape": "<0x536bd46fda0, objectFlags=[]>",
"proto": "<Int8Array.prototype @ 0x536bd441148>",
"elementsHeader": "<0x104bf5b50, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "null",
"1": "1.5e-323 / <private @ 0x3>",
"2": "0 / <private @ 0x0>",
"3": "1.44690712744897e-310 / <private @ 0x1aa29d5008f0>"
},
"properties": {
}
}
js> dumpValue(new Promise(() => {}));
{
"type": "object",
"address": "0x1aa29d500958",
"global": "<global @ 0x536bd43e030>",
"class": "<0x106141c70 [Promise]>",
"shape": "<0x536bd46ffe0, objectFlags=[]>",
"proto": "<Promise.prototype @ 0x536bd441178>",
"elementsHeader": "<0x104bf5b50, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "0",
"1": "undefined",
"2": "<Function (anonymous) @ 0x1aa29d500a48>",
"3": "<PromiseDebugInfo @ 0x1aa29d500998>"
},
"properties": {
}
}
js> dumpValue(new Date());
{
"type": "object",
"address": "0x1aa29d500a98",
"global": "<global @ 0x536bd43e030>",
"class": "<0x10614f1f8 [Date]>",
"shape": "<0x536bd4739e0, objectFlags=[]>",
"proto": "<Date.prototype @ 0x536bd4411a8>",
"elementsHeader": "<0x104bf5b50, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "1660049936504 / <private @ 0x4278282afd078000>",
"1": "undefined",
"2": "undefined",
"3": "undefined",
"4": "undefined",
"5": "undefined",
"6": "undefined",
"7": "undefined"
},
"properties": {
}
}
js> dumpValue(new Map([ ["foo", 10], ["bar", 20] ]));
{
"type": "object",
"address": "0x1aa29d500b38",
"global": "<global @ 0x536bd43e030>",
"class": "<0x106136ea8 [Map]>",
"shape": "<0x536bd473c80, objectFlags=[]>",
"proto": "<Map.prototype @ 0x536bd4411c0>",
"elementsHeader": "<0x104bf5b50, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "2.2030025334e-314 / <private @ 0x109c5d2b0>",
"1": "0 / <private @ 0x0>",
"2": "true"
},
"properties": {
}
}
js> dumpValue(new Set([1, 2, 3]));
{
"type": "object",
"address": "0x1aa29d500c48",
"global": "<global @ 0x536bd43e030>",
"class": "<0x1061372c8 [Set]>",
"shape": "<0x536bd4750e0, objectFlags=[]>",
"proto": "<Set.prototype @ 0x536bd4411d8>",
"elementsHeader": "<0x104bf5b50, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "2.203002573e-314 / <private @ 0x109c5d300>",
"1": "0 / <private @ 0x0>",
"2": "true"
},
"properties": {
}
}
js> dumpValue(new WeakMap([ [{}, 10], [{}, 20] ]));
{
"type": "object",
"address": "0x536bd43f150",
"global": "<global @ 0x536bd43e030>",
"class": "<0x10614bd80 [WeakMap]>",
"shape": "<0x536bd475220, objectFlags=[]>",
"proto": "<WeakMap.prototype @ 0x536bd4411f0>",
"elementsHeader": "<0x104bf5b50, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "2.2028802027e-314 / <private @ 0x109c20b80>"
},
"properties": {
}
}
js> dumpValue(new WeakSet([{}, {}]));
{
"type": "object",
"address": "0x536bd43f178",
"global": "<global @ 0x536bd43e030>",
"class": "<0x10614c0e8 [WeakSet]>",
"shape": "<0x536bd475360, objectFlags=[]>",
"proto": "<WeakSet.prototype @ 0x536bd441208>",
"elementsHeader": "<0x104bf5b50, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "2.20287893e-314 / <private @ 0x109c20170>"
},
"properties": {
}
}
js> dumpValue(new Proxy({}, {}));
{
"type": "object",
"address": "0x536bd442190",
"global": "<global @ 0x536bd43e030>",
"class": "<0x106138970 [Proxy]>",
"shape": "<0x536bd4753c0, objectFlags=[]>",
"proto": "<dynamic>",
"handler": "<0x106138ad0>",
"private": "<Object @ 0x1aa29d500f58>"
}
js> dumpValue((function* f() {})());
{
"type": "object",
"address": "0x1aa29d501098",
"global": "<global @ 0x536bd43e030>",
"class": "<0x1061403c0 [Generator]>",
"shape": "<0x536bd475480, objectFlags=[]>",
"proto": "<Object @ 0x536bd441220>",
"elementsHeader": "<0x104bf5b50, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "<Function f (/Users/arai/Documents/xpi/mozpatch/dump-value/test.js:96:22 @ 0x536bd46a100) @ 0x1aa29d500fd8>",
"1": "<Call @ 0x1aa29d501018>",
"2": "undefined",
"3": "<Array @ 0x1aa29d5010f8>",
"4": "0"
},
"properties": {
}
}
dumpValue({
1: true,
2: {},
foo: false,
bar: null,
get x() {},
set x(c) {},
});
{
"type": "object",
"address": "0x1aa29d501158",
"global": "<global @ 0x536bd43e030>",
"class": "<0x106137848 [Object]>",
"shape": "<0x536bd475500, objectFlags=[HasEnumerable, HasNonWritableOrAccessorPropExclProto, HadGetterSetterChange]>",
"proto": "<Object @ 0x536bd441040>",
"elementsHeader": "<0x1aa29d501170, flags=[NON_PACKED], init=3, capacity=5, length=0>",
"properties": {
"foo": "false (map=0x536bd4708b0, index=0, enumerable, configurable, writable, slot=0)"
"bar": "null (map=0x536bd4708b0, index=1, enumerable, configurable, writable, slot=1)"
"x": "getter=0x1aa29d501230, setter=0x1aa29d501270 (map=0x536bd4708b0, index=2, enumerable, configurable, slot=2)"
},
"elements": {
"0": "<magic JS_ELEMENTS_HOLE>",
"1": "true",
"2": "<Object @ 0x1aa29d5011b0>"
}
}
dumpValue([
true,
null,
undefined,
10,
1.1,
10n,
"foo",
Symbol.iterator,
Symbol("foo"),
Symbol.for("foo"),
/foo/ig,
{},
[],
Array,
function f() {},
]);
{
"type": "object",
"address": "0x1aa29d5012b0",
"global": "<global @ 0x536bd43e030>",
"class": "<0x106135520 [Array]>",
"shape": "<0x536bd466580, objectFlags=[]>",
"proto": "<Array @ 0x536bd43e088>",
"elementsHeader": "<0x1aa29d5012d8, flags=[], init=15, capacity=15, length=15>",
"properties": {
"length": "(map=0x536bd45f780, index=0, writable, <custom-data-prop>)"
},
"elements": {
"0": "true",
"1": "null",
"2": "undefined",
"3": "10",
"4": "1.1 / <private @ 0x3ff199999999999a>",
"5": "10n @ 0x536bd46b040",
"6": "'foo' @ (JSAtom*)0x536bd42d480",
"7": "Symbol.iterator",
"8": "Symbol('foo') @ 0x536bd471050",
"9": "Symbol.for('foo') @ 0x536bd471040",
"10": "<RegExp /foo/gi @ 0x1aa29d501368>",
"11": "<Object @ 0x1aa29d5013a8>",
"12": "<Array @ 0x1aa29d5013e8>",
"13": "<Function Array @ 0x536bd463820>",
"14": "<Function f (/Users/arai/Documents/xpi/mozpatch/dump-value/test.js:149:12 @ 0x536bd46a1f0) @ 0x1aa29d501448>"
}
}
```
Bug 1783397 Comment 3 Edit History
Note: The actual edited comment in the bug view page will always show the original commenter’s name and original timestamp.
```
js> dumpValue(true);
{
"type": "boolean",
"value": true
}
js> dumpValue(null);
{
"type": "null"
}
js> dumpValue(undefined);
{
"type": "undefined"
}
js> dumpValue(10);
{
"type": "int32",
"value": 10
}
js> dumpValue(1.1);
{
"type": "double",
"value": "1.1",
"private": "0x3ff199999999999a"
}
js> dumpValue(10n);
{
"type": "bigint",
"digitLength": 1,
"value": "10n"
}
js> dumpValue("foo");
{
"type": "string",
"address": "(JSAtom*)0x1093b272d480",
"flags": [ "ATOM_BIT", "LINEAR_BIT", "INLINE_BIT", "PERMANENT", "LATIN1_CHARS_BIT", "PINNED_ATOM_BIT" ],
"isTenured": true,
"length": 3,
"chars": "(JS::Latin1Char*)0x1093b272d488",
"value": "foo"
}
js> dumpValue(Symbol.iterator);
{
"type": "symbol",
"address": "0x1093b273a040",
"code": "iterator",
"description": "Symbol.iterator"
}
js> dumpValue(Symbol("foo"));
{
"type": "symbol",
"address": "0x1093b2771030",
"code": "UniqueSymbol",
"description": "foo"
}
js> dumpValue(Symbol.for("foo"));
{
"type": "symbol",
"address": "0x1093b2771040",
"code": "InSymbolRegistry",
"description": "foo"
}
js> dumpValue(/foo/ig);
{
"type": "object",
"address": "0xaa548600798",
"global": "<global @ 0x1093b273e030>",
"class": "<RegExp @ 0x108647b78>",
"shape": "<0x1093b276f040, objectFlags=[]>",
"proto": "<RegExp.prototype @ 0x1093b2741118>",
"regexpFlags": [ "IgnoreCase", "Global" ],
"elementsHeader": "<0x1070f6bd0, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "0",
"1": "'foo' @ (JSAtom*)0x1093b272d480",
"2": "3",
"3": "<private GCThing @ 0x1093b2772098>"
},
"properties": {
"lastIndex": "0 (map=0x1093b2744f98, index=0, writable, slot=0)"
}
}
js> dumpValue({});
{
"type": "object",
"address": "0xaa5486007d8",
"global": "<global @ 0x1093b273e030>",
"class": "<Object @ 0x10863b848>",
"shape": "<0x1093b276f060, objectFlags=[]>",
"proto": "<Object @ 0x1093b2741040>",
"elementsHeader": "<0x1070f6bd0, flags=[], init=0, capacity=0, length=0>",
"properties": {
}
}
js> dumpValue([]);
{
"type": "object",
"address": "0xaa548600818",
"global": "<global @ 0x1093b273e030>",
"class": "<Array @ 0x108639520>",
"shape": "<0x1093b2766580, objectFlags=[]>",
"proto": "<Array @ 0x1093b273e088>",
"elementsHeader": "<0xaa548600830, flags=[FIXED], init=0, capacity=6, length=0>",
"properties": {
"length": "(map=0x1093b275f780, index=0, writable, <custom-data-prop>)"
}
}
js> dumpValue(Array);
{
"type": "object",
"address": "0x1093b2763820",
"global": "<global @ 0x1093b273e030>",
"class": "<Function @ 0x1086456d8>",
"shape": "<0x1093b2766320, objectFlags=[]>",
"proto": "<Function (anonymous) @ 0x1093b2743040>",
"displayAtom": "Array",
"nargs": 1,
"functionFlags": [ "NORMAL_KIND", "CONSTRUCTOR" ],
"native": "0x104d434a8",
"jitInfo": "0x10714e0b0",
"elementsHeader": "<0x1070f6bd0, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "65664",
"1": "2.1620230015e-314 / <private @ 0x104d434a8>",
"2": "2.180695114e-314 / <private @ 0x10714e0b0>",
"3": "'Array' @ (JSAtom*)0x1093b272c560"
},
"properties": {
"isArray": "<Function isArray @ 0x1093b2763b30> (map=0x1093b2744bf0, index=0, configurable, writable, slot=4)"
"from": "<Function from @ 0x1093b2745e50> (map=0x1093b2744bf0, index=1, configurable, writable, slot=5)"
"of": "<Function of @ 0x1093b2763b68> (map=0x1093b2744bf0, index=2, configurable, writable, slot=6)"
"Symbol.species": "getter=0x1093b2745e98, setter=0x0 (map=0x1093b2744bf0, index=3, configurable, slot=7)"
"prototype": "<Array @ 0x1093b273e088> (map=0x1093b2744bf0, index=4, slot=8)"
}
}
js> dumpValue(function f() {});
{
"type": "object",
"address": "0xaa548600878",
"global": "<global @ 0x1093b273e030>",
"class": "<Function @ 0x1086456d8>",
"shape": "<0x1093b273d160, objectFlags=[]>",
"proto": "<Function (anonymous) @ 0x1093b2743040>",
"displayAtom": "f",
"baseScript": "test.js:60:20 @ 0x1093b276a060",
"nargs": 0,
"functionFlags": [ "NORMAL_KIND", "BASESCRIPT", "CONSTRUCTOR", "LAMBDA" ],
"elementsHeader": "<0x1070f6bd0, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "672",
"1": "<LexicalEnvironment @ 0x1093b273f038>",
"2": "9.0051074322806e-311 / <private @ 0x1093b276a060>",
"3": "'f' @ (JSAtom*)0x1093b2704d00"
},
"properties": {
}
}
js> dumpValue(new Int8Array([1, 2, 3]));
{
"type": "object",
"address": "0xaa5486008b8",
"global": "<global @ 0x1093b273e030>",
"class": "<Int8Array @ 0x10864be28>",
"shape": "<0x1093b276fe20, objectFlags=[]>",
"proto": "<Int8Array.prototype @ 0x1093b2741160>",
"elementsHeader": "<0x1070f6bd0, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "null",
"1": "1.5e-323 / <private @ 0x3>",
"2": "0 / <private @ 0x0>",
"3": "5.7830384512193e-311 / <private @ 0xaa5486008f0>"
},
"properties": {
}
}
js> dumpValue(new Promise(() => {}));
{
"type": "object",
"address": "0xaa548600958",
"global": "<global @ 0x1093b273e030>",
"class": "<Promise @ 0x108645c70>",
"shape": "<0x1093b27730a0, objectFlags=[]>",
"proto": "<Promise.prototype @ 0x1093b2741190>",
"promiseFlags": [ ],
"state": "pending",
"reactions": [
],
"allocationTime": "443.521208",
"allocationSite": "<SavedFrame @ 0x1093b274d088>",
"resolutionTime": "0.000000",
"resolutionSite": "null",
"elementsHeader": "<0x1070f6bd0, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "0",
"1": "undefined",
"2": "<Function (anonymous) @ 0xaa548600a48>",
"3": "<PromiseDebugInfo @ 0xaa548600998>"
},
"properties": {
}
}
js> var p = new Promise(() => {}); p.then(() => {}); dumpValue(p);
{
"type": "object",
"address": "0xaa548600ad8",
"global": "<global @ 0x1093b273e030>",
"class": "<Promise @ 0x108645c70>",
"shape": "<0x1093b27730a0, objectFlags=[]>",
"proto": "<Promise.prototype @ 0x1093b2741190>",
"promiseFlags": [ "HANDLED" ],
"state": "pending",
"reactions": [
{
"incumbentGlobal": "<Object @ 0x1093b2741040>",
"flags": [ ]
}
],
"allocationTime": "500.370542",
"allocationSite": "<SavedFrame @ 0x1093b274d0e0>",
"resolutionTime": "0.000000",
"resolutionSite": "null",
"elementsHeader": "<0x1070f6bd0, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "4",
"1": "<PromiseReactionRecord @ 0xaa548600c58>",
"2": "<Function (anonymous) @ 0xaa548600bc8>",
"3": "<PromiseDebugInfo @ 0xaa548600b18>"
},
"properties": {
}
}
js> p.then(() => {}); dumpValue(p);
{
"type": "object",
"address": "0xaa548600ad8",
"global": "<global @ 0x1093b273e030>",
"class": "<Promise @ 0x108645c70>",
"shape": "<0x1093b27730a0, objectFlags=[]>",
"proto": "<Promise.prototype @ 0x1093b2741190>",
"promiseFlags": [ "HANDLED" ],
"state": "pending",
"reactions": [
{
"incumbentGlobal": "<Object @ 0x1093b2741040>",
"flags": [ ]
},
{
"incumbentGlobal": "<Object @ 0x1093b2741040>",
"flags": [ ]
}
],
"allocationTime": "500.370542",
"allocationSite": "<SavedFrame @ 0x1093b274d0e0>",
"resolutionTime": "0.000000",
"resolutionSite": "null",
"elementsHeader": "<0x1070f6bd0, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "4",
"1": "<Array @ 0xaa548600d58>",
"2": "<Function (anonymous) @ 0xaa548600bc8>",
"3": "<PromiseDebugInfo @ 0xaa548600b18>"
},
"properties": {
}
}
js> dumpValue(Promise.resolve(10));
{
"type": "object",
"address": "0xaa548600d98",
"global": "<global @ 0x1093b273e030>",
"class": "<Promise @ 0x108645c70>",
"shape": "<0x1093b27730a0, objectFlags=[]>",
"proto": "<Promise.prototype @ 0x1093b2741190>",
"promiseFlags": [ "RESOLVED", "FULFILLED", "DEFAULT_RESOLVING_FUNCTIONS", "DEFAULT_RESOLVING_FUNCTIONS_ALREADY_RESOLVED" ],
"state": "fulfilled",
"value": {
"type": "int32",
"value": 10
},
"allocationTime": "625.029125",
"allocationSite": "<SavedFrame @ 0x1093b274d138>",
"resolutionTime": "625.174458",
"resolutionSite": "<SavedFrame @ 0x1093b274d138>",
"elementsHeader": "<0x1070f6bd0, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "27",
"1": "10",
"2": "undefined",
"3": "<PromiseDebugInfo @ 0xaa548600dd8>"
},
"properties": {
}
}
js> dumpValue(Promise.reject(10));
{
"type": "object",
"address": "0xaa548600e38",
"global": "<global @ 0x1093b273e030>",
"class": "<Promise @ 0x108645c70>",
"shape": "<0x1093b27730a0, objectFlags=[]>",
"proto": "<Promise.prototype @ 0x1093b2741190>",
"promiseFlags": [ "RESOLVED", "DEFAULT_RESOLVING_FUNCTIONS", "DEFAULT_RESOLVING_FUNCTIONS_ALREADY_RESOLVED" ],
"state": "rejected",
"reason": {
"type": "int32",
"value": 10
},
"allocationTime": "687.134250",
"allocationSite": "<SavedFrame @ 0x1093b274d190>",
"resolutionTime": "687.202667",
"resolutionSite": "<SavedFrame @ 0x1093b274d190>",
"elementsHeader": "<0x1070f6bd0, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "25",
"1": "10",
"2": "undefined",
"3": "<PromiseDebugInfo @ 0xaa548600e78>"
},
"properties": {
}
}
js> dumpValue((async function() {})());
{
"type": "object",
"address": "0xaa548601088",
"global": "<global @ 0x1093b273e030>",
"class": "<Promise @ 0x108645c70>",
"shape": "<0x1093b27730a0, objectFlags=[]>",
"proto": "<Promise.prototype @ 0x1093b2741190>",
"promiseFlags": [ "RESOLVED", "FULFILLED", "DEFAULT_RESOLVING_FUNCTIONS", "ASYNC" ],
"state": "fulfilled",
"value": {
"type": "undefined"
},
"allocationTime": "690.137583",
"allocationSite": "<SavedFrame @ 0x1093b274d240>",
"resolutionTime": "690.287083",
"resolutionSite": "<SavedFrame @ 0x1093b274d240>",
"elementsHeader": "<0x1070f6bd0, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "43",
"1": "undefined",
"2": "undefined",
"3": "<PromiseDebugInfo @ 0xaa5486010c8>"
},
"properties": {
}
}
js> dumpValue(new Date());
{
"type": "object",
"address": "0xaa5486011c8",
"global": "<global @ 0x1093b273e030>",
"class": "<Date @ 0x1086531f8>",
"shape": "<0x1093b2773d40, objectFlags=[]>",
"proto": "<Date.prototype @ 0x1093b27411d8>",
"elementsHeader": "<0x1070f6bd0, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "1660118396079 / <private @ 0x4278286c46caf000>",
"1": "undefined",
"2": "undefined",
"3": "undefined",
"4": "undefined",
"5": "undefined",
"6": "undefined",
"7": "undefined"
},
"properties": {
}
}
js> dumpValue(new Map([ ["foo", 10], ["bar", 20] ]));
{
"type": "object",
"address": "0xaa548601268",
"global": "<global @ 0x1093b273e030>",
"class": "<Map @ 0x10863aea8>",
"shape": "<0x1093b2773fa0, objectFlags=[]>",
"proto": "<Map.prototype @ 0x1093b27411f0>",
"elementsHeader": "<0x1070f6bd0, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "2.2221702805e-314 / <private @ 0x10c15cd60>",
"1": "0 / <private @ 0x0>",
"2": "true"
},
"properties": {
}
}
js> dumpValue(new Set([1, 2, 3]));
{
"type": "object",
"address": "0xaa548601378",
"global": "<global @ 0x1093b273e030>",
"class": "<Set @ 0x10863b2c8>",
"shape": "<0x1093b2773580, objectFlags=[]>",
"proto": "<Set.prototype @ 0x1093b27411c0>",
"elementsHeader": "<0x1070f6bd0, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "2.2221707152e-314 / <private @ 0x10c15d0d0>",
"1": "0 / <private @ 0x0>",
"2": "true"
},
"properties": {
}
}
js> dumpValue(new WeakMap([ [{}, 10], [{}, 20] ]));
{
"type": "object",
"address": "0x1093b273f150",
"global": "<global @ 0x1093b273e030>",
"class": "<WeakMap @ 0x10864fd80>",
"shape": "<0x1093b2775300, objectFlags=[]>",
"proto": "<WeakMap.prototype @ 0x1093b2741208>",
"elementsHeader": "<0x1070f6bd0, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "2.2220481237e-314 / <private @ 0x10c120790>"
},
"properties": {
}
}
js> dumpValue(new WeakSet([{}, {}]));
{
"type": "object",
"address": "0x1093b273f178",
"global": "<global @ 0x1093b273e030>",
"class": "<WeakSet @ 0x1086500e8>",
"shape": "<0x1093b2775440, objectFlags=[]>",
"proto": "<WeakSet.prototype @ 0x1093b2741220>",
"elementsHeader": "<0x1070f6bd0, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "2.2220484557e-314 / <private @ 0x10c120a30>"
},
"properties": {
}
}
js> dumpValue(new Proxy({}, {}));
{
"type": "object",
"address": "0x1093b2742190",
"global": "<global @ 0x1093b273e030>",
"class": "<Proxy @ 0x10863c970>",
"shape": "<0x1093b27754a0, objectFlags=[]>",
"proto": "<dynamic>",
"handler": "<0x10863cad0>",
"private": "<Object @ 0xaa548601688>"
}
js> dumpValue((function* f() {})());
{
"type": "object",
"address": "0xaa5486017c8",
"global": "<global @ 0x1093b273e030>",
"class": "<Generator @ 0x1086443c0>",
"shape": "<0x1093b2775540, objectFlags=[]>",
"proto": "<Object @ 0x1093b2741238>",
"elementsHeader": "<0x1070f6bd0, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "<Function f (test.js:118:22 @ 0x1093b276a290) @ 0xaa548601708>",
"1": "<Call @ 0xaa548601748>",
"2": "undefined",
"3": "<Array @ 0xaa548601828>",
"4": "0"
},
"properties": {
}
}
dumpValue({
1: true,
2: {},
foo: false,
bar: null,
get x() {},
set x(c) {},
});
{
"type": "object",
"address": "0xaa548601888",
"global": "<global @ 0x1093b273e030>",
"class": "<Object @ 0x10863b848>",
"shape": "<0x1093b27755c0, objectFlags=[HasEnumerable, HasNonWritableOrAccessorPropExclProto, HadGetterSetterChange]>",
"proto": "<Object @ 0x1093b2741040>",
"elementsHeader": "<0xaa5486018a0, flags=[NON_PACKED], init=3, capacity=5, length=0>",
"properties": {
"foo": "false (map=0x1093b2770918, index=0, enumerable, configurable, writable, slot=0)"
"bar": "null (map=0x1093b2770918, index=1, enumerable, configurable, writable, slot=1)"
"x": "getter=0xaa548601960, setter=0xaa5486019a0 (map=0x1093b2770918, index=2, enumerable, configurable, slot=2)"
},
"elements": {
"0": "<magic JS_ELEMENTS_HOLE>",
"1": "true",
"2": "<Object @ 0xaa5486018e0>"
}
}
dumpValue([
true,
null,
undefined,
10,
1.1,
10n,
"foo",
Symbol.iterator,
Symbol("foo"),
Symbol.for("foo"),
/foo/ig,
{},
[],
Array,
function f() {},
]);
{
"type": "object",
"address": "0xaa5486019e0",
"global": "<global @ 0x1093b273e030>",
"class": "<Array @ 0x108639520>",
"shape": "<0x1093b2766580, objectFlags=[]>",
"proto": "<Array @ 0x1093b273e088>",
"elementsHeader": "<0xaa548601a08, flags=[], init=15, capacity=15, length=15>",
"properties": {
"length": "(map=0x1093b275f780, index=0, writable, <custom-data-prop>)"
},
"elements": {
"0": "true",
"1": "null",
"2": "undefined",
"3": "10",
"4": "1.1 / <private @ 0x3ff199999999999a>",
"5": "10n @ 0x1093b276b040",
"6": "'foo' @ (JSAtom*)0x1093b272d480",
"7": "Symbol.iterator",
"8": "Symbol('foo') @ 0x1093b2771050",
"9": "Symbol.for('foo') @ 0x1093b2771040",
"10": "<RegExp /foo/gi @ 0xaa548601a98>",
"11": "<Object @ 0xaa548601ad8>",
"12": "<Array @ 0xaa548601b18>",
"13": "<Function Array @ 0x1093b2763820>",
"14": "<Function f (test.js:171:12 @ 0x1093b276a380) @ 0xaa548601b78>"
}
}
```
```
js> dumpValue(true);
{
"type": "boolean",
"value": true
}
js> dumpValue(null);
{
"type": "null"
}
js> dumpValue(undefined);
{
"type": "undefined"
}
js> dumpValue(10);
{
"type": "int32",
"value": 10
}
js> dumpValue(1.1);
{
"type": "double",
"value": "1.1",
"private": "0x3ff199999999999a"
}
js> dumpValue(10n);
{
"type": "bigint",
"address": "(JS::BigInt*)0x11199796b030",
"digitLength": 1,
"value": "10n"
}
js> dumpValue("foo");
{
"type": "string",
"address": "(JSAtom*)0x11199792d440",
"flags": [ "ATOM_BIT", "LINEAR_BIT", "INLINE_BIT", "PERMANENT", "LATIN1_CHARS_BIT", "PINNED_ATOM_BIT" ],
"isTenured": true,
"length": 3,
"chars": "(JS::Latin1Char*)0x11199792d448",
"value": "foo"
}
js> dumpValue(Symbol.iterator);
{
"type": "symbol",
"address": "(JS::Symbol*)0x11199793a040",
"code": "iterator",
"description": "Symbol.iterator"
}
js> dumpValue(Symbol("foo"));
{
"type": "symbol",
"address": "(JS::Symbol*)0x11199796c030",
"code": "UniqueSymbol",
"description": "foo"
}
js> dumpValue(Symbol.for("foo"));
{
"type": "symbol",
"address": "(JS::Symbol*)0x11199796c040",
"code": "InSymbolRegistry",
"description": "foo"
}
js> dumpValue(/foo/ig);
{
"type": "object",
"address": "(JSObject*)0x203dde901158",
"nonCCWGlobal": "<global @ (JSObject*)0x11199793e030>",
"clasp": "<RegExp @ (JSClass*)0x105e2bc00>",
"shape": "<(js::Shape*)0x111997966fe0, objectFlags=[]>",
"shape.base": {
"address": "(js::BaseShape*)0x11199793c298",
"realm": "(JS::Realm*)0x109916000",
"proto": "(JSObject*)0x1119979410d0"
},
"source": "foo",
"flags": [ "IgnoreCase", "Global" ],
"lastIndex": "0",
"elementsHeader": "<(js::ObjectElements*)0x1048d8bd0, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "0",
"1": "'foo' @ (JSAtom*)0x11199792d440",
"2": "3",
"3": "<private GCThing @ 0x111997971098>"
},
"properties": {
"lastIndex": "0 (map=(js::CompactPropMap*)0x111997944f30, index=0, writable, slot=0)"
}
}
js> dumpValue({});
{
"type": "object",
"address": "(JSObject*)0x203dde901278",
"nonCCWGlobal": "<global @ (JSObject*)0x11199793e030>",
"clasp": "<Object @ (JSClass*)0x105e1f8e8>",
"shape": "<(js::Shape*)0x111997972040, objectFlags=[]>",
"shape.base": {
"address": "(js::BaseShape*)0x11199793c0e8",
"realm": "(JS::Realm*)0x109916000",
"proto": "(JSObject*)0x111997941040"
},
"elementsHeader": "<(js::ObjectElements*)0x1048d8bd0, flags=[], init=0, capacity=0, length=0>",
"properties": {
}
}
js> dumpValue([]);
{
"type": "object",
"address": "(JSObject*)0x203dde901398",
"nonCCWGlobal": "<global @ (JSObject*)0x11199793e030>",
"clasp": "<Array @ (JSClass*)0x105e1d520>",
"shape": "<(js::Shape*)0x111997966500, objectFlags=[]>",
"shape.base": {
"address": "(js::BaseShape*)0x11199793c220",
"realm": "(JS::Realm*)0x109916000",
"proto": "(JSObject*)0x11199793e088"
},
"elementsHeader": "<(js::ObjectElements*)0x203dde9013b0, flags=[FIXED], init=0, capacity=6, length=0>",
"properties": {
"length": "(map=(js::NormalPropMap*)0x11199795f780, index=0, writable, <custom-data-prop>)"
}
}
js> dumpValue(Array);
{
"type": "object",
"address": "(JSObject*)0x111997963820",
"nonCCWGlobal": "<global @ (JSObject*)0x11199793e030>",
"clasp": "<Function @ (JSClass*)0x105e29760>",
"shape": "<(js::Shape*)0x1119979662a0, objectFlags=[]>",
"shape.base": {
"address": "(js::BaseShape*)0x11199793c0a0",
"realm": "(JS::Realm*)0x109916000",
"proto": "(JSObject*)0x111997943040"
},
"displayAtom": "Array",
"nargs": 1,
"flags": [ "NORMAL_KIND", "CONSTRUCTOR" ],
"native": "0x1024e63d8",
"jitInfo": "0x104930578",
"elementsHeader": "<(js::ObjectElements*)0x1048d8bd0, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "65664",
"1": "2.14111208e-314 / <private @ 0x1024e63d8>",
"2": "2.1599123926e-314 / <private @ 0x104930578>",
"3": "'Array' @ (JSAtom*)0x11199792c520"
},
"properties": {
"isArray": "<Function isArray @ (JSObject*)0x111997963b30> (map=(js::CompactPropMap*)0x111997944bf0, index=0, configurable, writable, slot=4)"
"from": "<Function from @ (JSObject*)0x111997945dc0> (map=(js::CompactPropMap*)0x111997944bf0, index=1, configurable, writable, slot=5)"
"of": "<Function of @ (JSObject*)0x111997963b68> (map=(js::CompactPropMap*)0x111997944bf0, index=2, configurable, writable, slot=6)"
"Symbol.species": "getter=0x111997945e08, setter=0x0 (map=(js::CompactPropMap*)0x111997944bf0, index=3, configurable, slot=7)"
"prototype": "<Array @ (JSObject*)0x11199793e088> (map=(js::CompactPropMap*)0x111997944bf0, index=4, slot=8)"
}
}
js> dumpValue(function f() {});
{
"type": "object",
"address": "(JSObject*)0x203dde9015b0",
"nonCCWGlobal": "<global @ (JSObject*)0x11199793e030>",
"clasp": "<Function @ (JSClass*)0x105e29760>",
"shape": "<(js::Shape*)0x11199793d160, objectFlags=[]>",
"shape.base": {
"address": "(js::BaseShape*)0x11199793c0a0",
"realm": "(JS::Realm*)0x109916000",
"proto": "(JSObject*)0x111997943040"
},
"displayAtom": "f",
"baseScript": "/Users/arai/Documents/xpi/mozpatch/dump-value/test.js line 3 > eval:1:20 @ 0x11199796a560",
"nargs": 0,
"flags": [ "NORMAL_KIND", "BASESCRIPT", "CONSTRUCTOR", "LAMBDA" ],
"elementsHeader": "<(js::ObjectElements*)0x1048d8bd0, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "672",
"1": "<Call @ (JSObject*)0x203dde9014d8>",
"2": "9.2892321007895e-311 / <private @ 0x11199796a560>",
"3": "'f' @ (JSAtom*)0x111997904d00"
},
"properties": {
}
}
js> dumpValue(new Int8Array([1, 2, 3]));
{
"type": "object",
"address": "(JSObject*)0x203dde9016c8",
"nonCCWGlobal": "<global @ (JSObject*)0x11199793e030>",
"clasp": "<Int8Array @ (JSClass*)0x105e2fe60>",
"shape": "<(js::Shape*)0x111997972b20, objectFlags=[]>",
"shape.base": {
"address": "(js::BaseShape*)0x11199793c328",
"realm": "(JS::Realm*)0x109916000",
"proto": "(JSObject*)0x111997941100"
},
"length": "3",
"byteOffset": "0",
"data": "0x203dde901700",
"elementsHeader": "<(js::ObjectElements*)0x1048d8bd0, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "null",
"1": "1.5e-323 / <private @ 0x3>",
"2": "0 / <private @ 0x0>",
"3": "1.7514676096559e-310 / <private @ 0x203dde901700>"
},
"properties": {
}
}
js> dumpValue(new Int8Array(new Int8Array([1, 2, 3]).buffer, 1));
{
"type": "object",
"address": "(JSObject*)0x203dde901860",
"nonCCWGlobal": "<global @ (JSObject*)0x11199793e030>",
"clasp": "<Int8Array @ (JSClass*)0x105e2fe60>",
"shape": "<(js::Shape*)0x111997972b20, objectFlags=[]>",
"shape.base": {
"address": "(js::BaseShape*)0x11199793c328",
"realm": "(JS::Realm*)0x109916000",
"proto": "(JSObject*)0x111997941100"
},
"length": "2",
"byteOffset": "1",
"data": "0x111997974069",
"elementsHeader": "<(js::ObjectElements*)0x1048d8bd0, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "<ArrayBuffer byteLength=3, bufferKind=INLINE_DATA, flags=[], data=0x111997974068 @ (JSObject*)0x111997974030>",
"1": "1e-323 / <private @ 0x2>",
"2": "5e-324 / <private @ 0x1>",
"3": "9.2892321203985e-311 / <private @ 0x111997974069>"
},
"properties": {
}
}
js> dumpValue(new Int32Array([1, 2, 3]));
{
"type": "object",
"address": "(JSObject*)0x203dde901978",
"nonCCWGlobal": "<global @ (JSObject*)0x11199793e030>",
"clasp": "<Int32Array @ (JSClass*)0x105e2ff20>",
"shape": "<(js::Shape*)0x111997972d80, objectFlags=[]>",
"shape.base": {
"address": "(js::BaseShape*)0x11199793c388",
"realm": "(JS::Realm*)0x109916000",
"proto": "(JSObject*)0x111997941160"
},
"length": "3",
"byteOffset": "0",
"data": "0x203dde9019b0",
"elementsHeader": "<(js::ObjectElements*)0x1048d8bd0, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "null",
"1": "1.5e-323 / <private @ 0x3>",
"2": "0 / <private @ 0x0>",
"3": "1.7514676096899e-310 / <private @ 0x203dde9019b0>"
},
"properties": {
}
}
js> dumpValue(new Int32Array(new Int32Array([1, 2, 3]).buffer, 4));
{
"type": "object",
"address": "(JSObject*)0x203dde901b10",
"nonCCWGlobal": "<global @ (JSObject*)0x11199793e030>",
"clasp": "<Int32Array @ (JSClass*)0x105e2ff20>",
"shape": "<(js::Shape*)0x111997972d80, objectFlags=[]>",
"shape.base": {
"address": "(js::BaseShape*)0x11199793c388",
"realm": "(JS::Realm*)0x109916000",
"proto": "(JSObject*)0x111997941160"
},
"length": "2",
"byteOffset": "4",
"data": "0x1119979740c4",
"elementsHeader": "<(js::ObjectElements*)0x1048d8bd0, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "<ArrayBuffer byteLength=12, bufferKind=INLINE_DATA, flags=[], data=0x1119979740c0 @ (JSObject*)0x111997974088>",
"1": "1e-323 / <private @ 0x2>",
"2": "2e-323 / <private @ 0x4>",
"3": "9.2892321204434e-311 / <private @ 0x1119979740c4>"
},
"properties": {
}
}
js> dumpValue(new Int8Array([1, 2, 3]).buffer);
{
"type": "object",
"address": "(JSObject*)0x1119979740e0",
"nonCCWGlobal": "<global @ (JSObject*)0x11199793e030>",
"clasp": "<ArrayBuffer @ (JSClass*)0x105e21340>",
"shape": "<(js::Shape*)0x111997972cc0, objectFlags=[]>",
"shape.base": {
"address": "(js::BaseShape*)0x11199793c358",
"realm": "(JS::Realm*)0x109916000",
"proto": "(JSObject*)0x111997941148"
},
"byteLength": "3",
"bufferKind": "INLINE_DATA",
"flags": [ ],
"data": "0x111997974118",
"elementsHeader": "<(js::ObjectElements*)0x1048d8bd0, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "9.289232120485e-311 / <private @ 0x111997974118>",
"1": "1.5e-323 / <private @ 0x3>",
"2": "<Int8Array length=3, byteOffset=0, data=0x111997974118 @ (JSObject*)0x203dde901c28>",
"3": "0"
},
"properties": {
}
}
js> dumpValue(new Promise(() => {}));
{
"type": "object",
"address": "(JSObject*)0x203dde901da0",
"nonCCWGlobal": "<global @ (JSObject*)0x11199793e030>",
"clasp": "<Promise @ (JSClass*)0x105e29cf8>",
"shape": "<(js::Shape*)0x111997972fc0, objectFlags=[]>",
"shape.base": {
"address": "(js::BaseShape*)0x11199793c3b8",
"realm": "(JS::Realm*)0x109916000",
"proto": "(JSObject*)0x111997941178"
},
"flags": [ ],
"state": "pending",
"reactions": [
],
"allocationTime": "591.630542",
"allocationSite": "<SavedFrame @ (JSObject*)0x11199794d138>",
"resolutionTime": "0.000000",
"resolutionSite": "null",
"elementsHeader": "<(js::ObjectElements*)0x1048d8bd0, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "0",
"1": "undefined",
"2": "<Function (anonymous) @ (JSObject*)0x203dde901e90>",
"3": "<PromiseDebugInfo @ (JSObject*)0x203dde901de0>"
},
"properties": {
}
}
js> var p = new Promise(() => {}); p.then(() => {}); dumpValue(p);
{
"type": "object",
"address": "(JSObject*)0x203dde901ff8",
"nonCCWGlobal": "<global @ (JSObject*)0x11199793e030>",
"clasp": "<Promise @ (JSClass*)0x105e29cf8>",
"shape": "<(js::Shape*)0x111997972fc0, objectFlags=[]>",
"shape.base": {
"address": "(js::BaseShape*)0x11199793c3b8",
"realm": "(JS::Realm*)0x109916000",
"proto": "(JSObject*)0x111997941178"
},
"flags": [ "HANDLED" ],
"state": "pending",
"reactions": [
{
"promise": "<Promise @ (JSObject*)0x203dde902178>",
"incumbentGlobal": "<Object @ (JSObject*)0x111997941040>",
"flags": [ ]
}
],
"allocationTime": "652.663083",
"allocationSite": "<SavedFrame @ (JSObject*)0x11199794d240>",
"resolutionTime": "0.000000",
"resolutionSite": "null",
"elementsHeader": "<(js::ObjectElements*)0x1048d8bd0, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "4",
"1": "<PromiseReactionRecord @ (JSObject*)0x203dde902218>",
"2": "<Function (anonymous) @ (JSObject*)0x203dde9020e8>",
"3": "<PromiseDebugInfo @ (JSObject*)0x203dde902038>"
},
"properties": {
}
}
js> var p = new Promise(() => {}); p.then(() => {}); p.then(() => {}); dumpValue(p);
{
"type": "object",
"address": "(JSObject*)0x203dde902390",
"nonCCWGlobal": "<global @ (JSObject*)0x11199793e030>",
"clasp": "<Promise @ (JSClass*)0x105e29cf8>",
"shape": "<(js::Shape*)0x111997972fc0, objectFlags=[]>",
"shape.base": {
"address": "(js::BaseShape*)0x11199793c3b8",
"realm": "(JS::Realm*)0x109916000",
"proto": "(JSObject*)0x111997941178"
},
"flags": [ "HANDLED" ],
"state": "pending",
"reactions": [
{
"promise": "<Promise @ (JSObject*)0x203dde902510>",
"incumbentGlobal": "<Object @ (JSObject*)0x111997941040>",
"flags": [ ]
},
{
"promise": "<Promise @ (JSObject*)0x203dde902650>",
"incumbentGlobal": "<Object @ (JSObject*)0x111997941040>",
"flags": [ ]
}
],
"allocationTime": "711.244417",
"allocationSite": "<SavedFrame @ (JSObject*)0x11199794d3a0>",
"resolutionTime": "0.000000",
"resolutionSite": "null",
"elementsHeader": "<(js::ObjectElements*)0x1048d8bd0, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "4",
"1": "<Array @ (JSObject*)0x203dde902750>",
"2": "<Function (anonymous) @ (JSObject*)0x203dde902480>",
"3": "<PromiseDebugInfo @ (JSObject*)0x203dde9023d0>"
},
"properties": {
}
}
js> dumpValue(Promise.resolve(10));
{
"type": "object",
"address": "(JSObject*)0x203dde902868",
"nonCCWGlobal": "<global @ (JSObject*)0x11199793e030>",
"clasp": "<Promise @ (JSClass*)0x105e29cf8>",
"shape": "<(js::Shape*)0x111997972fc0, objectFlags=[]>",
"shape.base": {
"address": "(js::BaseShape*)0x11199793c3b8",
"realm": "(JS::Realm*)0x109916000",
"proto": "(JSObject*)0x111997941178"
},
"flags": [ "RESOLVED", "FULFILLED", "DEFAULT_RESOLVING_FUNCTIONS", "DEFAULT_RESOLVING_FUNCTIONS_ALREADY_RESOLVED" ],
"state": "fulfilled",
"value": {
"type": "int32",
"value": 10
},
"allocationTime": "717.482875",
"allocationSite": "<SavedFrame @ (JSObject*)0x11199794d558>",
"resolutionTime": "717.531500",
"resolutionSite": "<SavedFrame @ (JSObject*)0x11199794d558>",
"elementsHeader": "<(js::ObjectElements*)0x1048d8bd0, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "27",
"1": "10",
"2": "undefined",
"3": "<PromiseDebugInfo @ (JSObject*)0x203dde9028a8>"
},
"properties": {
}
}
js> var p = Promise.reject(10); dumpValue(p);
{
"type": "object",
"address": "(JSObject*)0x203dde9029e0",
"nonCCWGlobal": "<global @ (JSObject*)0x11199793e030>",
"clasp": "<Promise @ (JSClass*)0x105e29cf8>",
"shape": "<(js::Shape*)0x111997972fc0, objectFlags=[]>",
"shape.base": {
"address": "(js::BaseShape*)0x11199793c3b8",
"realm": "(JS::Realm*)0x109916000",
"proto": "(JSObject*)0x111997941178"
},
"flags": [ "RESOLVED", "DEFAULT_RESOLVING_FUNCTIONS", "DEFAULT_RESOLVING_FUNCTIONS_ALREADY_RESOLVED" ],
"state": "rejected",
"reason": {
"type": "int32",
"value": 10
},
"allocationTime": "756.589917",
"allocationSite": "<SavedFrame @ (JSObject*)0x11199794d660>",
"resolutionTime": "756.620458",
"resolutionSite": "<SavedFrame @ (JSObject*)0x11199794d660>",
"elementsHeader": "<(js::ObjectElements*)0x1048d8bd0, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "25",
"1": "10",
"2": "undefined",
"3": "<PromiseDebugInfo @ (JSObject*)0x203dde902a20>"
},
"properties": {
}
}
js> dumpValue((async function() {})());
{
"type": "object",
"address": "(JSObject*)0x203dde902c18",
"nonCCWGlobal": "<global @ (JSObject*)0x11199793e030>",
"clasp": "<Promise @ (JSClass*)0x105e29cf8>",
"shape": "<(js::Shape*)0x111997972fc0, objectFlags=[]>",
"shape.base": {
"address": "(js::BaseShape*)0x11199793c3b8",
"realm": "(JS::Realm*)0x109916000",
"proto": "(JSObject*)0x111997941178"
},
"flags": [ "RESOLVED", "FULFILLED", "DEFAULT_RESOLVING_FUNCTIONS", "ASYNC" ],
"state": "fulfilled",
"value": {
"type": "undefined"
},
"allocationTime": "818.985458",
"allocationSite": "<SavedFrame @ (JSObject*)0x11199794d7c0>",
"resolutionTime": "819.177167",
"resolutionSite": "<SavedFrame @ (JSObject*)0x11199794d7c0>",
"elementsHeader": "<(js::ObjectElements*)0x1048d8bd0, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "43",
"1": "undefined",
"2": "undefined",
"3": "<PromiseDebugInfo @ (JSObject*)0x203dde902c58>"
},
"properties": {
}
}
js> dumpValue(new Date());
{
"type": "object",
"address": "(JSObject*)0x203dde902e30",
"nonCCWGlobal": "<global @ (JSObject*)0x11199793e030>",
"clasp": "<Date @ (JSClass*)0x105e37250>",
"shape": "<(js::Shape*)0x111997975de0, objectFlags=[]>",
"shape.base": {
"address": "(js::BaseShape*)0x11199793c4d8",
"realm": "(JS::Realm*)0x109916000",
"proto": "(JSObject*)0x1119979411d8"
},
"elementsHeader": "<(js::ObjectElements*)0x1048d8bd0, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "1660745415458 / <private @ 0x42782ac23fb22000>",
"1": "undefined",
"2": "undefined",
"3": "undefined",
"4": "undefined",
"5": "undefined",
"6": "undefined",
"7": "undefined"
},
"properties": {
}
}
js> dumpValue(new Map([ ["foo", 10], ["bar", 20] ]));
{
"type": "object",
"address": "(JSObject*)0x203dde902fa8",
"nonCCWGlobal": "<global @ (JSObject*)0x11199793e030>",
"clasp": "<Map @ (JSClass*)0x105e1ef48>",
"shape": "<(js::Shape*)0x111997977080, objectFlags=[]>",
"shape.base": {
"address": "(js::BaseShape*)0x11199793c508",
"realm": "(JS::Realm*)0x109916000",
"proto": "(JSObject*)0x1119979411f0"
},
"elementsHeader": "<(js::ObjectElements*)0x1048d8bd0, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "2.201448021e-314 / <private @ 0x10995d030>",
"1": "0 / <private @ 0x0>",
"2": "true"
},
"properties": {
}
}
js> dumpValue(new Set([1, 2, 3]));
{
"type": "object",
"address": "(JSObject*)0x203dde903190",
"nonCCWGlobal": "<global @ (JSObject*)0x11199793e030>",
"clasp": "<Set @ (JSClass*)0x105e1f368>",
"shape": "<(js::Shape*)0x111997975500, objectFlags=[]>",
"shape.base": {
"address": "(js::BaseShape*)0x11199793c448",
"realm": "(JS::Realm*)0x109916000",
"proto": "(JSObject*)0x1119979411a8"
},
"elementsHeader": "<(js::ObjectElements*)0x1048d8bd0, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "2.2014473886e-314 / <private @ 0x10995cb30>",
"1": "0 / <private @ 0x0>",
"2": "true"
},
"properties": {
}
}
js> dumpValue(new WeakMap([ [{}, 10], [{}, 20] ]));
{
"type": "object",
"address": "(JSObject*)0x11199793f150",
"nonCCWGlobal": "<global @ (JSObject*)0x11199793e030>",
"clasp": "<WeakMap @ (JSClass*)0x105e33db8>",
"shape": "<(js::Shape*)0x1119979773a0, objectFlags=[]>",
"shape.base": {
"address": "(js::BaseShape*)0x11199793c550",
"realm": "(JS::Realm*)0x109916000",
"proto": "(JSObject*)0x111997941208"
},
"elementsHeader": "<(js::ObjectElements*)0x1048d8bd0, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "2.201325232e-314 / <private @ 0x109920560>"
},
"properties": {
}
}
js> dumpValue(new WeakSet([{}, {}]));
{
"type": "object",
"address": "(JSObject*)0x11199793f178",
"nonCCWGlobal": "<global @ (JSObject*)0x11199793e030>",
"clasp": "<WeakSet @ (JSClass*)0x105e34120>",
"shape": "<(js::Shape*)0x1119979774e0, objectFlags=[]>",
"shape.base": {
"address": "(js::BaseShape*)0x11199793c580",
"realm": "(JS::Realm*)0x109916000",
"proto": "(JSObject*)0x111997941220"
},
"elementsHeader": "<(js::ObjectElements*)0x1048d8bd0, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "2.2013261726e-314 / <private @ 0x109920cd0>"
},
"properties": {
}
}
js> dumpValue(new Proxy({}, {}));
{
"type": "object",
"address": "(JSObject*)0x111997942190",
"nonCCWGlobal": "<global @ (JSObject*)0x11199793e030>",
"clasp": "<Proxy @ (JSClass*)0x105e20a10>",
"shape": "<(js::Shape*)0x111997977540, objectFlags=[]>",
"shape.base": {
"address": "(js::BaseShape*)0x11199793c598",
"realm": "(JS::Realm*)0x109916000",
"proto": "<dynamic>"
},
"handler": "(js::BaseProxyHandler*)0x105e20b70",
"private": "<Object @ (JSObject*)0x203dde903728>"
}
js> dumpValue((function* f() {})());
{
"type": "object",
"address": "(JSObject*)0x203dde903940",
"nonCCWGlobal": "<global @ (JSObject*)0x11199793e030>",
"clasp": "<Generator @ (JSClass*)0x105e28448>",
"shape": "<(js::Shape*)0x111997977780, objectFlags=[]>",
"shape.base": {
"address": "(js::BaseShape*)0x11199793c5f8",
"realm": "(JS::Realm*)0x109916000",
"proto": "(JSObject*)0x111997941268"
},
"elementsHeader": "<(js::ObjectElements*)0x1048d8bd0, flags=[], init=0, capacity=0, length=0>",
"reservedSlots": {
"0": "<Function f (/Users/arai/Documents/xpi/mozpatch/dump-value/test.js line 3 > eval:1:22 @ 0x11199796af10) @ (JSObject*)0x203dde903880>",
"1": "<Call @ (JSObject*)0x203dde9038c0>",
"2": "undefined",
"3": "<Array @ (JSObject*)0x203dde9039a0>",
"4": "0"
},
"properties": {
}
}
js> dumpValue({
1: true,
2: {},
foo: false,
bar: null,
get x() {},
set x(c) {},
});
{
"type": "object",
"address": "(JSObject*)0x203dde903ad8",
"nonCCWGlobal": "<global @ (JSObject*)0x11199793e030>",
"clasp": "<Object @ (JSClass*)0x105e1f8e8>",
"shape": "<(js::Shape*)0x111997977800, objectFlags=[HasEnumerable, HasNonWritableOrAccessorPropExclProto, HadGetterSetterChange]>",
"shape.base": {
"address": "(js::BaseShape*)0x11199793c0e8",
"realm": "(JS::Realm*)0x109916000",
"proto": "(JSObject*)0x111997941040"
},
"elementsHeader": "<(js::ObjectElements*)0x203dde903af0, flags=[NON_PACKED], init=3, capacity=5, length=0>",
"properties": {
"foo": "false (map=(js::CompactPropMap*)0x111997973a50, index=0, enumerable, configurable, writable, slot=0)"
"bar": "null (map=(js::CompactPropMap*)0x111997973a50, index=1, enumerable, configurable, writable, slot=1)"
"x": "getter=0x203dde903bb0, setter=0x203dde903bf0 (map=(js::CompactPropMap*)0x111997973a50, index=2, enumerable, configurable, slot=2)"
},
"elements": {
"0": "<magic JS_ELEMENTS_HOLE>",
"1": "true",
"2": "<Object @ (JSObject*)0x203dde903b30>"
}
}
js> dumpValue([
true,
null,
undefined,
10,
1.1,
10n,
"foo",
Symbol.iterator,
Symbol("foo"),
Symbol.for("foo"),
/foo/ig,
{},
[],
Array,
function f() {},
new Int8Array([1, 2, 3]),
new Int8Array([1, 2, 3]).buffer,
]);
{
"type": "object",
"address": "(JSObject*)0x203dde903d08",
"nonCCWGlobal": "<global @ (JSObject*)0x11199793e030>",
"clasp": "<Array @ (JSClass*)0x105e1d520>",
"shape": "<(js::Shape*)0x111997966500, objectFlags=[]>",
"shape.base": {
"address": "(js::BaseShape*)0x11199793c220",
"realm": "(JS::Realm*)0x109916000",
"proto": "(JSObject*)0x11199793e088"
},
"elementsHeader": "<(js::ObjectElements*)0x203dde903d30, flags=[], init=17, capacity=17, length=17>",
"properties": {
"length": "(map=(js::NormalPropMap*)0x11199795f780, index=0, writable, <custom-data-prop>)"
},
"elements": {
"0": "true",
"1": "null",
"2": "undefined",
"3": "10",
"4": "1.1 / <private @ 0x3ff199999999999a>",
"5": "10n @ (JS::BigInt*)0x11199796b040",
"6": "'foo' @ (JSAtom*)0x11199792d440",
"7": "Symbol.iterator",
"8": "Symbol('foo') @ (JS::Symbol*)0x11199796c050",
"9": "Symbol.for('foo') @ (JS::Symbol*)0x11199796c040",
"10": "<RegExp /foo/ig @ (JSObject*)0x203dde903dd0>",
"11": "<Object @ (JSObject*)0x203dde903e10>",
"12": "<Array @ (JSObject*)0x203dde903e50>",
"13": "<Function Array @ (JSObject*)0x111997963820>",
"14": "<Function f (/Users/arai/Documents/xpi/mozpatch/dump-value/test.js line 3 > eval:16:12 @ 0x111997979100) @ (JSObject*)0x203dde903eb0>",
"15": "<Int8Array length=3, byteOffset=0, data=0x203dde903f28 @ (JSObject*)0x203dde903ef0>",
"16": "<ArrayBuffer byteLength=3, bufferKind=INLINE_DATA, flags=[], data=0x111997974170 @ (JSObject*)0x111997974138>"
}
}
```