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LibJS: Cache commonly used FlyStrings in the VM
Roughly 7% of test-js runtime was spent creating FlyStrings from string literals. This patch frontloads that work and caches all the commonly used names in LibJS on a CommonPropertyNames struct that hangs off VM.
This commit is contained in:
Andreas Kling
parent
9f6c5f68b6
commit
7b863330dc
45 changed files with 651 additions and 392 deletions
209
Libraries/LibJS/Runtime/CommonPropertyNames.h
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209
Libraries/LibJS/Runtime/CommonPropertyNames.h
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/*
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* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <AK/FlyString.h>
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#include <LibJS/Forward.h>
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namespace JS {
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#define ENUMERATE_STANDARD_PROPERTY_NAMES(P) \
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P(BigInt) \
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P(Boolean) \
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P(E) \
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P(EPSILON) \
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P(Infinity) \
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P(JSON) \
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P(LN10) \
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P(LN2) \
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P(LOG10E) \
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P(LOG2E) \
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P(MAX_SAFE_INTEGER) \
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P(MIN_SAFE_INTEGER) \
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P(Math) \
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P(NEGATIVE_INFINITY) \
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P(NaN) \
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P(Number) \
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P(PI) \
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P(POSITIVE_INFINITY) \
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P(Proxy) \
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P(Reflect) \
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P(RegExp) \
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P(SQRT1_2) \
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P(SQRT2) \
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P(String) \
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P(Symbol) \
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P(UTC) \
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P(abs) \
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P(acosh) \
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P(apply) \
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P(asIntN) \
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P(asUintN) \
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P(asinh) \
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P(atanh) \
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P(bind) \
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P(call) \
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P(cbrt) \
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P(ceil) \
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P(charAt) \
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P(charCodeAt) \
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P(clz32) \
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P(concat) \
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P(console) \
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P(construct) \
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P(constructor) \
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P(cos) \
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P(defineProperty) \
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P(deleteProperty) \
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P(description) \
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P(done) \
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P(entries) \
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P(every) \
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P(exp) \
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P(expm1) \
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P(fill) \
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P(filter) \
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P(find) \
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P(findIndex) \
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P(floor) \
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P(forEach) \
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P(from) \
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P(fromCharCode) \
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P(gc) \
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P(get) \
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P(getDate) \
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P(getDay) \
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P(getFullYear) \
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P(getHours) \
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P(getMilliseconds) \
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P(getMinutes) \
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P(getMonth) \
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P(getOwnPropertyDescriptor) \
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P(getOwnPropertyNames) \
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P(getPrototypeOf) \
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P(getSeconds) \
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P(getTime) \
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P(getUTCDate) \
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P(getUTCDay) \
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P(getUTCFullYear) \
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P(getUTCHours) \
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P(getUTCMilliseconds) \
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P(getUTCMinutes) \
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P(getUTCMonth) \
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P(getUTCSeconds) \
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P(globalThis) \
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P(has) \
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P(hasOwnProperty) \
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P(includes) \
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P(indexOf) \
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P(is) \
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P(isArray) \
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P(isExtensible) \
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P(isFinite) \
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P(isInteger) \
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P(isNaN) \
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P(isSafeInteger) \
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P(join) \
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P(keyFor) \
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P(keys) \
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P(lastIndexOf) \
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P(length) \
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P(log1p) \
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P(map) \
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P(max) \
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P(message) \
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P(min) \
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P(name) \
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P(now) \
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P(of) \
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P(ownKeys) \
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P(padEnd) \
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P(padStart) \
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P(parse) \
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P(parseFloat) \
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P(pop) \
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P(pow) \
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P(preventExtensions) \
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P(prototype) \
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P(push) \
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P(random) \
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P(raw) \
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P(reduce) \
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P(reduceRight) \
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P(repeat) \
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P(reverse) \
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P(round) \
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P(set) \
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P(setPrototypeOf) \
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P(shift) \
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P(sign) \
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P(sin) \
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P(slice) \
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P(some) \
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P(splice) \
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P(sqrt) \
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P(startsWith) \
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P(substring) \
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P(tan) \
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P(toDateString) \
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P(toISOString) \
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P(toJSON) \
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P(toLocaleDateString) \
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P(toLocaleString) \
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P(toLocaleTimeString) \
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P(toLowerCase) \
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P(toString) \
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P(toTimeString) \
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P(toUpperCase) \
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P(trim) \
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P(trimEnd) \
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P(trimStart) \
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P(trunc) \
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P(undefined) \
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P(unshift) \
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P(value) \
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P(valueOf) \
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P(enumerable) \
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P(configurable) \
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P(writable) \
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P(next) \
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P(values)
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struct CommonPropertyNames {
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FlyString for_ { "for" };
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#define __ENUMERATE(x) FlyString x { #x };
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ENUMERATE_STANDARD_PROPERTY_NAMES(__ENUMERATE)
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#undef __ENUMERATE
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#define __JS_ENUMERATE(x, a, b, c) FlyString x { #x };
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JS_ENUMERATE_BUILTIN_TYPES
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#undef __JS_ENUMERATE
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#define __JS_ENUMERATE(x, a) FlyString x { #x };
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JS_ENUMERATE_WELL_KNOWN_SYMBOLS
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#undef __JS_ENUMERATE
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};
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}
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