Rust编写的JavaScript引擎,该项目是一个试验性质的项目。
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use std::cell::RefCell;
use std::collections::HashMap;
use std::fmt::Debug;
use std::fs::File;
use std::hash::{Hash, Hasher};
use std::io::{self, BufWriter, Write};
use std::path::Path;
use std::{env, fmt};
use bitflags::bitflags;
use phf_shared::{FmtConst, PhfBorrow, PhfHash};
use boa_macros::utf16;
bitflags! {
/// This struct constains the property flags as described in the ECMAScript specification.
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub struct Attribute: u8 {
/// The `Writable` attribute decides whether the value associated with the property can be changed or not, from its initial value.
const WRITABLE = 0b0000_0001;
/// If the property can be enumerated by a `for-in` loop.
const ENUMERABLE = 0b0000_0010;
/// If the property descriptor can be changed later.
const CONFIGURABLE = 0b0000_0100;
const GET = 0b0000_1000;
const SET = 0b0001_0000;
}
}
/// List of well known symbols.
#[derive(Debug, Clone, Copy)]
#[repr(u8)]
#[allow(dead_code)]
enum WellKnown {
AsyncIterator,
HasInstance,
IsConcatSpreadable,
Iterator,
Match,
MatchAll,
Replace,
Search,
Species,
Split,
ToPrimitive,
ToStringTag,
Unscopables,
}
pub struct EncodedStaticPropertyKey(u16);
impl EncodedStaticPropertyKey {
#[inline]
pub fn decode(&self) -> StaticPropertyKey {
let value = self.0 >> 1;
if self.0 & 1 == 0 {
StaticPropertyKey::String(value)
} else {
StaticPropertyKey::Symbol(value as u8)
}
}
}
const fn string(index: u16) -> EncodedStaticPropertyKey {
debug_assert!(index < 2u16.pow(15));
EncodedStaticPropertyKey(index << 1)
}
const fn symbol(index: u8) -> EncodedStaticPropertyKey {
EncodedStaticPropertyKey(((index as u16) << 1) | 1)
}
impl Debug for EncodedStaticPropertyKey {
#[inline]
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
self.decode().fmt(f)
}
}
#[derive(Clone, Copy, PartialEq, Eq)]
pub enum StaticPropertyKey {
String(u16),
Symbol(u8),
}
impl StaticPropertyKey {
#[inline]
pub fn encode(self) -> EncodedStaticPropertyKey {
match self {
StaticPropertyKey::String(x) => string(x),
StaticPropertyKey::Symbol(x) => symbol(x),
}
}
}
impl Debug for StaticPropertyKey {
#[inline]
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match *self {
StaticPropertyKey::String(index) => {
let string = RAW_STATICS[index as usize];
let string = String::from_utf16_lossy(string);
write!(f, "String(\"{string}\")")
}
StaticPropertyKey::Symbol(symbol) => {
write!(f, "Symbol({symbol})")
}
}
}
}
impl Eq for EncodedStaticPropertyKey {}
impl PartialEq for EncodedStaticPropertyKey {
#[inline]
fn eq(&self, other: &Self) -> bool {
self.0 == other.0
}
}
impl Hash for EncodedStaticPropertyKey {
#[inline]
fn hash<H: Hasher>(&self, state: &mut H) {
self.0.hash(state);
}
}
impl PhfHash for EncodedStaticPropertyKey {
#[inline]
fn phf_hash<H: Hasher>(&self, state: &mut H) {
self.hash(state)
}
}
impl PhfBorrow<EncodedStaticPropertyKey> for EncodedStaticPropertyKey {
#[inline]
fn borrow(&self) -> &EncodedStaticPropertyKey {
self
}
}
impl FmtConst for EncodedStaticPropertyKey {
#[inline]
fn fmt_const(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
let key = self.decode();
if matches!(key, StaticPropertyKey::String { .. }) {
f.write_str("string(")?;
} else {
f.write_str("symbol(")?;
}
match key {
StaticPropertyKey::String(index) => {
write!(
f,
"/* */ {index})",
// String::from_utf16_lossy(value),
)
}
StaticPropertyKey::Symbol(s) => write!(f, "{})", s),
}
}
}
trait ToPropertyKey {
fn to_property_key(self, _context: &Context) -> StaticPropertyKey;
}
impl ToPropertyKey for &'static [u16] {
fn to_property_key(self, context: &Context) -> StaticPropertyKey {
let index = context.insert_or_get(self);
StaticPropertyKey::String(index)
}
}
impl ToPropertyKey for WellKnown {
fn to_property_key(self, _context: &Context) -> StaticPropertyKey {
StaticPropertyKey::Symbol(self as u8)
}
}
#[allow(clippy::type_complexity)]
struct Context {
strings: RefCell<(HashMap<&'static [u16], u16>, Vec<&'static [u16]>)>,
}
impl Context {
fn new() -> Self {
Self {
strings: RefCell::default(),
}
}
fn insert_or_get(&self, value: &'static [u16]) -> u16 {
let mut strings = self.strings.borrow_mut();
if let Some(index) = strings.0.get(value) {
return *index;
}
let index = strings.1.len();
debug_assert!(index < u16::MAX as usize);
let index = index as u16;
strings.0.insert(value, index);
strings.1.push(value);
index
}
fn build(&self, file: &mut BufWriter<File>) -> io::Result<()> {
let strings = self.strings.borrow();
let len = strings.1.len();
writeln!(file, "\npub const RAW_STATICS: &[&[u16]; {len}] = &[")?;
for string in &strings.1 {
writeln!(
file,
" /* {} */ &{:?},",
String::from_utf16_lossy(string),
string
)?;
}
writeln!(file, "];")?;
Ok(())
}
}
struct BuiltInBuilder<'a> {
context: &'a Context,
name: &'static str,
map: phf_codegen::OrderedMap<EncodedStaticPropertyKey>,
prototype: Option<&'static str>,
slot_index: usize,
}
impl<'a> BuiltInBuilder<'a> {
fn new(context: &'a Context, name: &'static str) -> Self {
Self {
context,
name,
map: phf_codegen::OrderedMap::new(),
prototype: None,
slot_index: 0,
}
}
fn inherits(&mut self, prototype: &'static str) -> &mut Self {
self.prototype = Some(prototype);
self
}
fn method<K>(&mut self, key: K) -> &mut Self
where
K: ToPropertyKey,
{
let key = key.to_property_key(self.context).encode();
let attributes = Attribute::WRITABLE | Attribute::CONFIGURABLE;
self.map.entry(
key,
&format!(
"({}, Attribute::from_bits_retain({}))",
self.slot_index,
attributes.bits()
),
);
self.slot_index += 1;
self
}
fn accessor<K>(&mut self, key: K, mut attributes: Attribute) -> &mut Self
where
K: ToPropertyKey,
{
// TODO: should they always be set?
attributes |= Attribute::GET;
attributes |= Attribute::SET;
let key = key.to_property_key(self.context).encode();
self.map.entry(
key,
&format!(
"({}, Attribute::from_bits_retain({}))",
self.slot_index,
attributes.bits()
),
);
self.slot_index += 2;
self
}
fn property<K>(&mut self, key: K, attributes: Attribute) -> &mut Self
where
K: ToPropertyKey,
{
assert!(!attributes.contains(Attribute::GET) && !attributes.contains(Attribute::SET));
let key = key.to_property_key(self.context).encode();
self.map.entry(
key,
&format!(
"({}, Attribute::from_bits_retain({}))",
self.slot_index,
attributes.bits()
),
);
self.slot_index += 1;
self
}
fn build(&mut self, file: &mut BufWriter<File>) -> io::Result<&'static str> {
let prototype = if let Some(prototype) = self.prototype {
format!("Some(&'static {})", prototype)
} else {
"None".into()
};
writeln!(
file,
"pub static {}_STATIC_SHAPE: StaticShape = StaticShape {{\n storage_len: {},\n prototype: {},\n property_table: {} }};",
self.name,
self.slot_index + 1,
prototype,
self.map.build(),
)?;
Ok(self.name)
}
}
struct BuiltInBuilderConstructor<'a> {
object: BuiltInBuilder<'a>,
prototype: BuiltInBuilder<'a>,
}
impl<'a> BuiltInBuilderConstructor<'a> {
fn new(context: &'a Context, name: &'static str) -> Self {
Self::with_constructor_attributes(
context,
name,
Attribute::WRITABLE | Attribute::CONFIGURABLE,
)
}
fn with_constructor_attributes(
context: &'a Context,
name: &'static str,
constructor_attributes: Attribute,
) -> Self {
let object_name = Box::leak(format!("{name}_CONSTRUCTOR").into_boxed_str());
let prototype_name = Box::leak(format!("{name}_PROTOTYPE").into_boxed_str());
let mut this = Self {
object: BuiltInBuilder::new(context, object_name),
prototype: BuiltInBuilder::new(context, prototype_name),
};
this.object
.property(utf16!("length"), Attribute::CONFIGURABLE);
this.object
.property(utf16!("name"), Attribute::CONFIGURABLE);
this.object
.property(utf16!("prototype"), Attribute::empty());
this.prototype
.property(utf16!("constructor"), constructor_attributes);
this
}
fn inherits(&mut self, prototype: &'static str) -> &mut Self {
self.object.inherits(prototype);
self
}
fn method<K>(&mut self, key: K) -> &mut Self
where
K: ToPropertyKey,
{
self.prototype.method(key);
self
}
fn static_method<K>(&mut self, key: K) -> &mut Self
where
K: ToPropertyKey,
{
self.object.method(key);
self
}
fn accessor<K>(&mut self, key: K, attributes: Attribute) -> &mut Self
where
K: ToPropertyKey,
{
self.prototype.accessor(key, attributes);
self
}
fn static_accessor<K>(&mut self, key: K, attributes: Attribute) -> &mut Self
where
K: ToPropertyKey,
{
self.object.accessor(key, attributes);
self
}
fn static_property<K>(&mut self, key: K, attributes: Attribute) -> &mut Self
where
K: ToPropertyKey,
{
self.object.property(key, attributes);
self
}
fn property<K>(&mut self, key: K, attributes: Attribute) -> &mut Self
where
K: ToPropertyKey,
{
self.prototype.property(key, attributes);
self
}
fn build(&mut self, file: &mut BufWriter<File>) -> io::Result<()> {
self.object.build(file)?;
self.prototype.build(file)?;
Ok(())
}
}
fn main() -> io::Result<()> {
// TODO: split into separate files
// TODO: Move common parts between build and lib.rs into common.rs file.
// TODO: because the generated static shapes for builtin file does not change that often and it's not that big,
// it's kept as rust source code which changes only in certain places when a property is added or removed.
// We could properly cache this into the git history, to avoid generating it on a fresh build.
// (even though it's fast to build).
let file = Path::new(&env::var("OUT_DIR").unwrap()).join("static_shapes_codegen.rs");
let file = &mut BufWriter::new(File::create(file)?);
let context = Context::new();
for string in RAW_STATICS {
context.insert_or_get(string);
}
BuiltInBuilder::new(&context, "EMPTY_OBJECT").build(file)?;
BuiltInBuilder::new(&context, "JSON_OBJECT")
.method(utf16!("parse"))
.method(utf16!("stringify"))
.property(WellKnown::ToStringTag, Attribute::CONFIGURABLE)
.build(file)?;
BuiltInBuilder::new(&context, "MATH_OBJECT")
.property(utf16!("E"), Attribute::empty())
.property(utf16!("LN10"), Attribute::empty())
.property(utf16!("LN2"), Attribute::empty())
.property(utf16!("LOG10E"), Attribute::empty())
.property(utf16!("LOG2E"), Attribute::empty())
.property(utf16!("PI"), Attribute::empty())
.property(utf16!("SQRT1_2"), Attribute::empty())
.property(utf16!("SQRT2"), Attribute::empty())
.method(utf16!("abs"))
.method(utf16!("acos"))
.method(utf16!("acosh"))
.method(utf16!("asin"))
.method(utf16!("asinh"))
.method(utf16!("atan"))
.method(utf16!("atanh"))
.method(utf16!("atan2"))
.method(utf16!("cbrt"))
.method(utf16!("ceil"))
.method(utf16!("clz32"))
.method(utf16!("cos"))
.method(utf16!("cosh"))
.method(utf16!("exp"))
.method(utf16!("expm1"))
.method(utf16!("floor"))
.method(utf16!("fround"))
.method(utf16!("hypot"))
.method(utf16!("imul"))
.method(utf16!("log"))
.method(utf16!("log1p"))
.method(utf16!("log10"))
.method(utf16!("log2"))
.method(utf16!("max"))
.method(utf16!("min"))
.method(utf16!("pow"))
.method(utf16!("random"))
.method(utf16!("round"))
.method(utf16!("sign"))
.method(utf16!("sin"))
.method(utf16!("sinh"))
.method(utf16!("sqrt"))
.method(utf16!("tan"))
.method(utf16!("tanh"))
.method(utf16!("trunc"))
.property(WellKnown::ToStringTag, Attribute::CONFIGURABLE)
.build(file)?;
BuiltInBuilder::new(&context, "REFLECT_OBJECT")
.method(utf16!("apply"))
.method(utf16!("construct"))
.method(utf16!("defineProperty"))
.method(utf16!("deleteProperty"))
.method(utf16!("get"))
.method(utf16!("getOwnPropertyDescriptor"))
.method(utf16!("getPrototypeOf"))
.method(utf16!("has"))
.method(utf16!("isExtensible"))
.method(utf16!("ownKeys"))
.method(utf16!("preventExtensions"))
.method(utf16!("set"))
.method(utf16!("setPrototypeOf"))
.property(WellKnown::ToStringTag, Attribute::CONFIGURABLE)
.build(file)?;
BuiltInBuilderConstructor::new(&context, "OBJECT")
.accessor(utf16!("__proto__"), Attribute::CONFIGURABLE)
.method(utf16!("hasOwnProperty"))
.method(utf16!("propertyIsEnumerable"))
.method(utf16!("toString"))
.method(utf16!("toLocaleString"))
.method(utf16!("valueOf"))
.method(utf16!("isPrototypeOf"))
.method(utf16!("__defineGetter__"))
.method(utf16!("__defineSetter__"))
.method(utf16!("__lookupGetter__"))
.method(utf16!("__lookupSetter__"))
.static_method(utf16!("create"))
.static_method(utf16!("setPrototypeOf"))
.static_method(utf16!("getPrototypeOf"))
.static_method(utf16!("defineProperty"))
.static_method(utf16!("defineProperties"))
.static_method(utf16!("assign"))
.static_method(utf16!("is"))
.static_method(utf16!("keys"))
.static_method(utf16!("values"))
.static_method(utf16!("entries"))
.static_method(utf16!("seal"))
.static_method(utf16!("isSealed"))
.static_method(utf16!("freeze"))
.static_method(utf16!("isFrozen"))
.static_method(utf16!("preventExtensions"))
.static_method(utf16!("isExtensible"))
.static_method(utf16!("getOwnPropertyDescriptor"))
.static_method(utf16!("getOwnPropertyDescriptors"))
.static_method(utf16!("getOwnPropertyNames"))
.static_method(utf16!("getOwnPropertySymbols"))
.static_method(utf16!("hasOwn"))
.static_method(utf16!("fromEntries"))
.build(file)?;
BuiltInBuilderConstructor::new(&context, "FUNCTION")
.property(utf16!("length"), Attribute::CONFIGURABLE)
.property(utf16!("name"), Attribute::CONFIGURABLE)
.method(utf16!("apply"))
.method(utf16!("bind"))
.method(utf16!("call"))
.method(utf16!("toString"))
.property(WellKnown::HasInstance, Attribute::empty())
.accessor(utf16!("caller"), Attribute::CONFIGURABLE)
.accessor(utf16!("arguments"), Attribute::CONFIGURABLE)
.build(file)?;
BuiltInBuilderConstructor::new(&context, "ARRAY")
.property(utf16!("length"), Attribute::WRITABLE)
.property(
utf16!("values"),
Attribute::WRITABLE | Attribute::CONFIGURABLE,
)
.property(
WellKnown::Iterator,
Attribute::WRITABLE | Attribute::CONFIGURABLE,
)
.property(WellKnown::Unscopables, Attribute::CONFIGURABLE)
.method(utf16!("at"))
.method(utf16!("concat"))
.method(utf16!("push"))
.method(utf16!("indexOf"))
.method(utf16!("lastIndexOf"))
.method(utf16!("includes"))
.method(utf16!("map"))
.method(utf16!("fill"))
.method(utf16!("forEach"))
.method(utf16!("filter"))
.method(utf16!("pop"))
.method(utf16!("join"))
.method(utf16!("toString"))
.method(utf16!("reverse"))
.method(utf16!("shift"))
.method(utf16!("unshift"))
.method(utf16!("every"))
.method(utf16!("find"))
.method(utf16!("findIndex"))
.method(utf16!("findLast"))
.method(utf16!("findLastIndex"))
.method(utf16!("flat"))
.method(utf16!("flatMap"))
.method(utf16!("slice"))
.method(utf16!("some"))
.method(utf16!("sort"))
.method(utf16!("splice"))
.method(utf16!("toLocaleString"))
.method(utf16!("reduce"))
.method(utf16!("reduceRight"))
.method(utf16!("keys"))
.method(utf16!("entries"))
.method(utf16!("copyWithin"))
// Static properties
.static_accessor(WellKnown::Species, Attribute::CONFIGURABLE)
.static_method(utf16!("from"))
.static_method(utf16!("isArray"))
.static_method(utf16!("of"))
.build(file)?;
BuiltInBuilderConstructor::new(&context, "DATE")
.static_method(utf16!("now"))
.static_method(utf16!("parse"))
.static_method(utf16!("UTC"))
.method(utf16!("getDate"))
.method(utf16!("getDay"))
.method(utf16!("getFullYear"))
.method(utf16!("getHours"))
.method(utf16!("getMilliseconds"))
.method(utf16!("getMinutes"))
.method(utf16!("getMonth"))
.method(utf16!("getSeconds"))
.method(utf16!("getTime"))
.method(utf16!("getTimezoneOffset"))
.method(utf16!("getUTCDate"))
.method(utf16!("getUTCDay"))
.method(utf16!("getUTCFullYear"))
.method(utf16!("getUTCHours"))
.method(utf16!("getUTCMilliseconds"))
.method(utf16!("getUTCMinutes"))
.method(utf16!("getUTCMonth"))
.method(utf16!("getUTCSeconds"))
.method(utf16!("getYear"))
.method(utf16!("setDate"))
.method(utf16!("setFullYear"))
.method(utf16!("setHours"))
.method(utf16!("setMilliseconds"))
.method(utf16!("setMinutes"))
.method(utf16!("setMonth"))
.method(utf16!("setSeconds"))
.method(utf16!("setTime"))
.method(utf16!("setUTCDate"))
.method(utf16!("setUTCFullYear"))
.method(utf16!("setUTCHours"))
.method(utf16!("setUTCMilliseconds"))
.method(utf16!("setUTCMinutes"))
.method(utf16!("setUTCMonth"))
.method(utf16!("setUTCSeconds"))
.method(utf16!("setYear"))
.method(utf16!("toDateString"))
.method(utf16!("toISOString"))
.method(utf16!("toJSON"))
.method(utf16!("toLocaleDateString"))
.method(utf16!("toLocaleString"))
.method(utf16!("toLocaleTimeString"))
.method(utf16!("toString"))
.method(utf16!("toTimeString"))
.method(utf16!("valueOf"))
.property(
utf16!("toGMTString"),
Attribute::WRITABLE | Attribute::CONFIGURABLE,
)
.property(
utf16!("toUTCString"),
Attribute::WRITABLE | Attribute::CONFIGURABLE,
)
.property(WellKnown::ToPrimitive, Attribute::CONFIGURABLE)
.build(file)?;
BuiltInBuilderConstructor::new(&context, "NUMBER")
.static_property(utf16!("EPSILON"), Attribute::empty())
.static_property(utf16!("MAX_SAFE_INTEGER"), Attribute::empty())
.static_property(utf16!("MIN_SAFE_INTEGER"), Attribute::empty())
.static_property(utf16!("MAX_VALUE"), Attribute::empty())
.static_property(utf16!("MIN_VALUE"), Attribute::empty())
.static_property(utf16!("NEGATIVE_INFINITY"), Attribute::empty())
.static_property(utf16!("POSITIVE_INFINITY"), Attribute::empty())
.static_property(utf16!("NaN"), Attribute::empty())
.static_property(
utf16!("parseInt"),
Attribute::WRITABLE | Attribute::CONFIGURABLE,
)
.static_property(
utf16!("parseFloat"),
Attribute::WRITABLE | Attribute::CONFIGURABLE,
)
.static_method(utf16!("isFinite"))
.static_method(utf16!("isNaN"))
.static_method(utf16!("isSafeInteger"))
.static_method(utf16!("isInteger"))
.method(utf16!("toExponential"))
.method(utf16!("toFixed"))
.method(utf16!("toLocaleString"))
.method(utf16!("toPrecision"))
.method(utf16!("toString"))
.method(utf16!("valueOf"))
.build(file)?;
BuiltInBuilderConstructor::new(&context, "BOOLEAN")
.method(utf16!("toString"))
.method(utf16!("valueOf"))
.build(file)?;
BuiltInBuilderConstructor::new(&context, "BIGINT")
.method(utf16!("toString"))
.method(utf16!("valueOf"))
.static_method(utf16!("asIntN"))
.static_method(utf16!("asUintN"))
.property(WellKnown::ToStringTag, Attribute::CONFIGURABLE)
.build(file)?;
BuiltInBuilderConstructor::new(&context, "SYMBOL")
.static_method(utf16!("for"))
.static_method(utf16!("keyFor"))
.static_property(utf16!("asyncIterator"), Attribute::empty())
.static_property(utf16!("hasInstance"), Attribute::empty())
.static_property(utf16!("isConcatSpreadable"), Attribute::empty())
.static_property(utf16!("iterator"), Attribute::empty())
.static_property(utf16!("match"), Attribute::empty())
.static_property(utf16!("matchAll"), Attribute::empty())
.static_property(utf16!("replace"), Attribute::empty())
.static_property(utf16!("search"), Attribute::empty())
.static_property(utf16!("species"), Attribute::empty())
.static_property(utf16!("split"), Attribute::empty())
.static_property(utf16!("toPrimitive"), Attribute::empty())
.static_property(utf16!("toStringTag"), Attribute::empty())
.static_property(utf16!("unscopables"), Attribute::empty())
.method(utf16!("toString"))
.method(utf16!("valueOf"))
.accessor(utf16!("description"), Attribute::CONFIGURABLE)
.property(WellKnown::ToStringTag, Attribute::CONFIGURABLE)
.property(WellKnown::ToPrimitive, Attribute::CONFIGURABLE)
.build(file)?;
let mut builder = BuiltInBuilderConstructor::new(&context, "STRING");
builder
.property(utf16!("length"), Attribute::empty())
.property(
utf16!("trimStart"),
Attribute::WRITABLE | Attribute::CONFIGURABLE,
)
.property(
utf16!("trimEnd"),
Attribute::WRITABLE | Attribute::CONFIGURABLE,
)
.static_method(utf16!("raw"))
.static_method(utf16!("fromCharCode"))
.static_method(utf16!("fromCodePoint"))
.method(utf16!("charAt"))
.method(utf16!("charCodeAt"))
.method(utf16!("codePointAt"))
.method(utf16!("toString"))
.method(utf16!("concat"))
.method(utf16!("repeat"))
.method(utf16!("slice"))
.method(utf16!("startsWith"))
.method(utf16!("endsWith"))
.method(utf16!("includes"))
.method(utf16!("indexOf"))
.method(utf16!("lastIndexOf"))
.method(utf16!("localeCompare"))
.method(utf16!("match"))
.method(utf16!("normalize"))
.method(utf16!("padEnd"))
.method(utf16!("padStart"))
.method(utf16!("trim"))
.method(utf16!("toLowerCase"))
.method(utf16!("toUpperCase"))
.method(utf16!("toLocaleLowerCase"))
.method(utf16!("toLocaleUpperCase"))
.method(utf16!("substring"))
.method(utf16!("split"))
.method(utf16!("valueOf"))
.method(utf16!("matchAll"))
.method(utf16!("replace"))
.method(utf16!("replaceAll"))
.method(WellKnown::Iterator)
.method(utf16!("search"))
.method(utf16!("at"));
#[cfg(feature = "annex-b")]
{
builder
.property(
utf16!("trimLeft"),
Attribute::WRITABLE | Attribute::CONFIGURABLE,
)
.property(
utf16!("trimRight"),
Attribute::WRITABLE | Attribute::CONFIGURABLE,
)
.method(utf16!("substr"))
.method(utf16!("anchor"))
.method(utf16!("big"))
.method(utf16!("blink"))
.method(utf16!("bold"))
.method(utf16!("fixed"))
.method(utf16!("fontcolor"))
.method(utf16!("fontsize"))
.method(utf16!("italics"))
.method(utf16!("link"))
.method(utf16!("small"))
.method(utf16!("strike"))
.method(utf16!("sub"))
.method(utf16!("sup"));
}
builder.build(file)?;
let mut regexp = BuiltInBuilderConstructor::new(&context, "REGEXP");
regexp
.static_accessor(WellKnown::Species, Attribute::CONFIGURABLE)
.property(
utf16!("lastIndex"),
Attribute::WRITABLE | Attribute::ENUMERABLE | Attribute::CONFIGURABLE,
)
.method(utf16!("test"))
.method(utf16!("exec"))
.method(utf16!("toString"))
.method(WellKnown::Match)
.method(WellKnown::MatchAll)
.method(WellKnown::Replace)
.method(WellKnown::Search)
.method(WellKnown::Split)
.accessor(utf16!("hasIndices"), Attribute::CONFIGURABLE)
.accessor(utf16!("global"), Attribute::CONFIGURABLE)
.accessor(utf16!("ignoreCase"), Attribute::CONFIGURABLE)
.accessor(utf16!("multiline"), Attribute::CONFIGURABLE)
.accessor(utf16!("dotAll"), Attribute::CONFIGURABLE)
.accessor(utf16!("unicode"), Attribute::CONFIGURABLE)
.accessor(utf16!("sticky"), Attribute::CONFIGURABLE)
.accessor(utf16!("flags"), Attribute::CONFIGURABLE)
.accessor(utf16!("source"), Attribute::CONFIGURABLE);
#[cfg(feature = "annex-b")]
regexp.method(utf16!("compile"));
regexp.build(file)?;
let attribute = Attribute::WRITABLE | Attribute::CONFIGURABLE;
BuiltInBuilderConstructor::new(&context, "ERROR")
.property(utf16!("name"), attribute)
.property(utf16!("message"), attribute)
.method(utf16!("toString"))
.build(file)?;
let attribute = Attribute::WRITABLE | Attribute::CONFIGURABLE;
BuiltInBuilderConstructor::new(&context, "NATIVE_ERROR")
.property(utf16!("name"), attribute)
.property(utf16!("message"), attribute)
.build(file)?;
BuiltInBuilderConstructor::new(&context, "MAP")
.static_accessor(WellKnown::Species, Attribute::CONFIGURABLE)
.property(
utf16!("entries"),
Attribute::WRITABLE | Attribute::CONFIGURABLE,
)
.property(
WellKnown::Iterator,
Attribute::WRITABLE | Attribute::CONFIGURABLE,
)
.property(WellKnown::ToStringTag, Attribute::CONFIGURABLE)
.method(utf16!("clear"))
.method(utf16!("delete"))
.method(utf16!("forEach"))
.method(utf16!("get"))
.method(utf16!("has"))
.method(utf16!("keys"))
.method(utf16!("set"))
.method(utf16!("values"))
.accessor(utf16!("size"), Attribute::CONFIGURABLE)
.build(file)?;
BuiltInBuilderConstructor::new(&context, "SET")
.static_accessor(WellKnown::Species, Attribute::CONFIGURABLE)
.method(utf16!("add"))
.method(utf16!("clear"))
.method(utf16!("delete"))
.method(utf16!("entries"))
.method(utf16!("forEach"))
.method(utf16!("has"))
.property(
utf16!("keys"),
Attribute::WRITABLE | Attribute::CONFIGURABLE,
)
.accessor(utf16!("size"), Attribute::CONFIGURABLE)
.property(
utf16!("values"),
Attribute::WRITABLE | Attribute::CONFIGURABLE,
)
.property(
WellKnown::Iterator,
Attribute::WRITABLE | Attribute::CONFIGURABLE,
)
.property(WellKnown::ToStringTag, Attribute::CONFIGURABLE)
.build(file)?;
BuiltInBuilderConstructor::new(&context, "TYPED_ARRAY")
.static_accessor(WellKnown::Species, Attribute::CONFIGURABLE)
.property(
WellKnown::Iterator,
Attribute::WRITABLE | Attribute::CONFIGURABLE,
)
.accessor(utf16!("buffer"), Attribute::CONFIGURABLE)
.accessor(utf16!("byteLength"), Attribute::CONFIGURABLE)
.accessor(utf16!("byteOffset"), Attribute::CONFIGURABLE)
.accessor(utf16!("length"), Attribute::CONFIGURABLE)
.accessor(WellKnown::ToStringTag, Attribute::CONFIGURABLE)
.static_method(utf16!("from"))
.static_method(utf16!("of"))
.method(utf16!("at"))
.method(utf16!("copyWithin"))
.method(utf16!("entries"))
.method(utf16!("every"))
.method(utf16!("fill"))
.method(utf16!("filter"))
.method(utf16!("find"))
.method(utf16!("findIndex"))
.method(utf16!("forEach"))
.method(utf16!("includes"))
.method(utf16!("indexOf"))
.method(utf16!("join"))
.method(utf16!("keys"))
.method(utf16!("lastIndexOf"))
.method(utf16!("map"))
.method(utf16!("reduce"))
.method(utf16!("reduceRight"))
.method(utf16!("reverse"))
.method(utf16!("set"))
.method(utf16!("slice"))
.method(utf16!("some"))
.method(utf16!("sort"))
.method(utf16!("subarray"))
.method(utf16!("values"))
// 23.2.3.29 %TypedArray%.prototype.toString ( )
// The initial value of the %TypedArray%.prototype.toString data property is the same
// built-in function object as the Array.prototype.toString method defined in 23.1.3.30.
.method(utf16!("toString"))
.build(file)?;
BuiltInBuilderConstructor::new(&context, "TYPED_ARRAY_INSTANCE")
.static_accessor(WellKnown::Species, Attribute::CONFIGURABLE)
.property(utf16!("BYTES_PER_ELEMENT"), Attribute::empty())
.static_property(utf16!("BYTES_PER_ELEMENT"), Attribute::empty())
.build(file)?;
BuiltInBuilderConstructor::new(&context, "ARRAY_BUFFER")
.static_accessor(WellKnown::Species, Attribute::CONFIGURABLE)
.static_method(utf16!("isView"))
.accessor(utf16!("byteLength"), Attribute::CONFIGURABLE)
.method(utf16!("slice"))
.property(WellKnown::ToStringTag, Attribute::CONFIGURABLE)
.build(file)?;
BuiltInBuilderConstructor::new(&context, "DATA_VIEW")
.accessor(utf16!("buffer"), Attribute::CONFIGURABLE)
.accessor(utf16!("byteLength"), Attribute::CONFIGURABLE)
.accessor(utf16!("byteOffset"), Attribute::CONFIGURABLE)
.method(utf16!("getBigInt64"))
.method(utf16!("getBigUint64"))
.method(utf16!("getFloat32"))
.method(utf16!("getFloat64"))
.method(utf16!("getInt8"))
.method(utf16!("getInt16"))
.method(utf16!("getInt32"))
.method(utf16!("getUint8"))
.method(utf16!("getUint16"))
.method(utf16!("getUint32"))
.method(utf16!("setBigInt64"))
.method(utf16!("setBigUint64"))
.method(utf16!("setFloat32"))
.method(utf16!("setFloat64"))
.method(utf16!("setInt8"))
.method(utf16!("setInt16"))
.method(utf16!("setInt32"))
.method(utf16!("setUint8"))
.method(utf16!("setUint16"))
.method(utf16!("setUint32"))
.property(WellKnown::ToStringTag, Attribute::CONFIGURABLE)
.build(file)?;
BuiltInBuilderConstructor::new(&context, "WEAK_REF")
.property(WellKnown::ToStringTag, Attribute::CONFIGURABLE)
.method(utf16!("deref"))
.build(file)?;
BuiltInBuilderConstructor::new(&context, "PROMISE")
.static_method(utf16!("all"))
.static_method(utf16!("allSettled"))
.static_method(utf16!("any"))
.static_method(utf16!("race"))
.static_method(utf16!("reject"))
.static_method(utf16!("resolve"))
.static_accessor(WellKnown::Species, Attribute::CONFIGURABLE)
.method(utf16!("then"))
.method(utf16!("catch"))
.method(utf16!("finally"))
// <https://tc39.es/ecma262/#sec-promise.prototype-@@tostringtag>
.property(WellKnown::ToStringTag, Attribute::CONFIGURABLE)
.build(file)?;
BuiltInBuilderConstructor::new(&context, "WEAK_MAP")
.property(WellKnown::ToStringTag, Attribute::CONFIGURABLE)
.method(utf16!("delete"))
.method(utf16!("get"))
.method(utf16!("has"))
.method(utf16!("set"))
.build(file)?;
BuiltInBuilderConstructor::new(&context, "WEAK_SET")
.property(WellKnown::ToStringTag, Attribute::CONFIGURABLE)
.method(utf16!("add"))
.method(utf16!("delete"))
.method(utf16!("has"))
.build(file)?;
BuiltInBuilderConstructor::with_constructor_attributes(
&context,
"GENERATOR_FUNCTION",
Attribute::CONFIGURABLE,
)
// .inherits(Some(
// realm.intrinsics().constructors().function().prototype(),
// ))
.property(utf16!("prototype"), Attribute::CONFIGURABLE)
.property(WellKnown::ToStringTag, Attribute::CONFIGURABLE)
.build(file)?;
BuiltInBuilder::new(&context, "ITERATOR_PROTOTYPE")
.method(WellKnown::Iterator)
.build(file)?;
BuiltInBuilder::new(&context, "COMMON_ITERATOR_PROTOTYPE")
.method(utf16!("next"))
.property(WellKnown::ToStringTag, Attribute::CONFIGURABLE)
.build(file)?;
BuiltInBuilder::new(&context, "FOR_IN_ITERATOR_PROTOTYPE")
.method(utf16!("next"))
.build(file)?;
BuiltInBuilder::new(&context, "ASYNC_ITERATOR_PROTOTYPE")
.method(WellKnown::AsyncIterator)
.build(file)?;
BuiltInBuilder::new(&context, "ASYNC_FROM_SYNC_ITERATOR_PROTOTYPE")
.method(utf16!("next"))
.method(utf16!("return"))
.method(utf16!("throw"))
.build(file)?;
BuiltInBuilder::new(&context, "THROW_TYPE_ERROR_OBJECT")
.property(utf16!("length"), Attribute::empty())
.property(utf16!("name"), Attribute::empty())
.build(file)?;
BuiltInBuilder::new(&context, "GENERATOR_OBJECT")
.method(utf16!("next"))
.method(utf16!("return"))
.method(utf16!("throw"))
.property(WellKnown::ToStringTag, Attribute::CONFIGURABLE)
1 year ago
.property(utf16!("constructor"), Attribute::CONFIGURABLE)
.build(file)?;
1 year ago
BuiltInBuilderConstructor::new(&context, "ASYNC_FUNCTION")
.property(WellKnown::ToStringTag, Attribute::CONFIGURABLE)
.build(file)?;
BuiltInBuilderConstructor::with_constructor_attributes(
&context,
"ASYNC_GENERATOR_FUNCTION",
Attribute::CONFIGURABLE,
)
.property(utf16!("prototype"), Attribute::CONFIGURABLE)
.property(WellKnown::ToStringTag, Attribute::CONFIGURABLE)
.build(file)?;
#[cfg(feature = "intl")]
{
BuiltInBuilder::new(&context, "INTL_OBJECT")
.property(
WellKnown::ToStringTag,
Attribute::WRITABLE | Attribute::CONFIGURABLE,
)
.property(
utf16!("Collator"),
Attribute::WRITABLE | Attribute::CONFIGURABLE,
)
.property(
utf16!("ListFormat"),
Attribute::WRITABLE | Attribute::CONFIGURABLE,
)
.property(
utf16!("Locale"),
Attribute::WRITABLE | Attribute::CONFIGURABLE,
)
.property(
utf16!("Segmenter"),
Attribute::WRITABLE | Attribute::CONFIGURABLE,
)
.property(
utf16!("DateTimeFormat"),
Attribute::WRITABLE | Attribute::CONFIGURABLE,
)
.method(utf16!("getCanonicalLocales"))
.build(file)?;
BuiltInBuilderConstructor::new(&context, "DATE_TIME_FORMAT").build(file)?;
BuiltInBuilderConstructor::new(&context, "COLLATOR")
.static_method(utf16!("supportedLocalesOf"))
.property(WellKnown::ToStringTag, Attribute::CONFIGURABLE)
.accessor(utf16!("compare"), Attribute::CONFIGURABLE)
.method(utf16!("resolvedOptions"))
.build(file)?;
1 year ago
BuiltInBuilderConstructor::new(&context, "INTL_SEGMENTER")
.static_method(utf16!("supportedLocalesOf"))
.property(WellKnown::ToStringTag, Attribute::CONFIGURABLE)
.method(utf16!("resolvedOptions"))
.method(utf16!("segment"))
.build(file)?;
BuiltInBuilder::new(&context, "SEGMENTS_PROTOTYPE")
.method(utf16!("containing"))
.method(WellKnown::Iterator)
.build(file)?;
1 year ago
BuiltInBuilderConstructor::new(&context, "INTL_LOCALE")
.property(WellKnown::ToStringTag, Attribute::CONFIGURABLE)
.method(utf16!("maximize"))
.method(utf16!("minimize"))
.method(utf16!("toString"))
.accessor(utf16!("baseName"), Attribute::CONFIGURABLE)
.accessor(utf16!("calendar"), Attribute::CONFIGURABLE)
.accessor(utf16!("caseFirst"), Attribute::CONFIGURABLE)
.accessor(utf16!("collation"), Attribute::CONFIGURABLE)
.accessor(utf16!("hourCycle"), Attribute::CONFIGURABLE)
.accessor(utf16!("numeric"), Attribute::CONFIGURABLE)
.accessor(utf16!("numberingSystem"), Attribute::CONFIGURABLE)
.accessor(utf16!("language"), Attribute::CONFIGURABLE)
.accessor(utf16!("script"), Attribute::CONFIGURABLE)
.accessor(utf16!("region"), Attribute::CONFIGURABLE)
.build(file)?;
}
context.build(file)?;
Ok(())
}
/// Array of raw static strings that aren't reference counted.
///
/// The macro `static_strings` automatically sorts the array of strings, making it faster
/// for searches by using `binary_search`.
const RAW_STATICS: &[&[u16]] = &[
utf16!(""),
// Misc
utf16!(","),
utf16!(":"),
// Generic use
utf16!("name"),
utf16!("length"),
utf16!("arguments"),
utf16!("prototype"),
utf16!("constructor"),
utf16!("return"),
utf16!("throw"),
utf16!("global"),
utf16!("globalThis"),
// typeof
utf16!("null"),
utf16!("undefined"),
utf16!("number"),
utf16!("string"),
utf16!("symbol"),
utf16!("bigint"),
utf16!("object"),
utf16!("function"),
// Property descriptor
utf16!("value"),
utf16!("get"),
utf16!("set"),
utf16!("writable"),
utf16!("enumerable"),
utf16!("configurable"),
// Object object
utf16!("Object"),
utf16!("assign"),
utf16!("create"),
utf16!("toString"),
utf16!("valueOf"),
utf16!("is"),
utf16!("seal"),
utf16!("isSealed"),
utf16!("freeze"),
utf16!("isFrozen"),
utf16!("isExtensible"),
utf16!("hasOwnProperty"),
utf16!("isPrototypeOf"),
utf16!("setPrototypeOf"),
utf16!("getPrototypeOf"),
utf16!("defineProperty"),
utf16!("defineProperties"),
utf16!("deleteProperty"),
utf16!("construct"),
utf16!("hasOwn"),
utf16!("ownKeys"),
utf16!("keys"),
utf16!("values"),
utf16!("entries"),
utf16!("fromEntries"),
// Function object
utf16!("Function"),
utf16!("apply"),
utf16!("bind"),
utf16!("call"),
// Generator object
utf16!("Generator"),
// Array object
utf16!("Array"),
utf16!("at"),
utf16!("from"),
utf16!("isArray"),
utf16!("of"),
utf16!("copyWithin"),
utf16!("every"),
utf16!("fill"),
utf16!("filter"),
utf16!("find"),
utf16!("findIndex"),
utf16!("findLast"),
utf16!("findLastIndex"),
utf16!("flat"),
utf16!("flatMap"),
utf16!("forEach"),
utf16!("includes"),
utf16!("indexOf"),
utf16!("join"),
utf16!("map"),
utf16!("next"),
utf16!("reduce"),
utf16!("reduceRight"),
utf16!("reverse"),
utf16!("shift"),
utf16!("slice"),
utf16!("splice"),
utf16!("some"),
utf16!("sort"),
utf16!("unshift"),
utf16!("push"),
utf16!("pop"),
// String object
utf16!("String"),
utf16!("charAt"),
utf16!("charCodeAt"),
utf16!("codePointAt"),
utf16!("concat"),
utf16!("endsWith"),
utf16!("fromCharCode"),
utf16!("fromCodePoint"),
utf16!("lastIndexOf"),
utf16!("match"),
utf16!("matchAll"),
utf16!("normalize"),
utf16!("padEnd"),
utf16!("padStart"),
utf16!("raw"),
utf16!("repeat"),
utf16!("replace"),
utf16!("replaceAll"),
utf16!("search"),
utf16!("split"),
utf16!("startsWith"),
utf16!("substr"),
utf16!("substring"),
utf16!("toLocaleString"),
utf16!("toLowerCase"),
utf16!("toUpperCase"),
utf16!("trim"),
utf16!("trimEnd"),
utf16!("trimStart"),
// Number object
utf16!("Number"),
utf16!("Infinity"),
utf16!("NaN"),
utf16!("parseInt"),
utf16!("parseFloat"),
utf16!("isFinite"),
utf16!("isNaN"),
utf16!("EPSILON"),
utf16!("MAX_SAFE_INTEGER"),
utf16!("MIN_SAFE_INTEGER"),
utf16!("MAX_VALUE"),
utf16!("MIN_VALUE"),
utf16!("isSafeInteger"),
utf16!("isInteger"),
utf16!("toExponential"),
utf16!("toFixed"),
utf16!("toPrecision"),
// Boolean object
utf16!("Boolean"),
// BigInt object
utf16!("BigInt"),
utf16!("asIntN"),
utf16!("asUintN"),
// RegExp object
utf16!("RegExp"),
utf16!("exec"),
utf16!("test"),
utf16!("flags"),
utf16!("index"),
utf16!("lastIndex"),
utf16!("hasIndices"),
utf16!("ignoreCase"),
utf16!("multiline"),
utf16!("dotAll"),
utf16!("unicode"),
utf16!("sticky"),
utf16!("source"),
utf16!("get hasIndices"),
utf16!("get global"),
utf16!("get ignoreCase"),
utf16!("get multiline"),
utf16!("get dotAll"),
utf16!("get unicode"),
utf16!("get sticky"),
utf16!("get flags"),
utf16!("get source"),
// Symbol object
utf16!("Symbol"),
utf16!("for"),
utf16!("keyFor"),
utf16!("description"),
utf16!("asyncIterator"),
utf16!("hasInstance"),
utf16!("species"),
utf16!("unscopables"),
utf16!("iterator"),
utf16!("toStringTag"),
utf16!("toPrimitive"),
utf16!("get description"),
// Map object
utf16!("Map"),
utf16!("clear"),
utf16!("delete"),
utf16!("has"),
utf16!("size"),
// Set object
utf16!("Set"),
utf16!("add"),
// Reflect object
utf16!("Reflect"),
// Proxy object
utf16!("Proxy"),
utf16!("revocable"),
// Error objects
utf16!("Error"),
utf16!("AggregateError"),
utf16!("TypeError"),
utf16!("RangeError"),
utf16!("SyntaxError"),
utf16!("ReferenceError"),
utf16!("EvalError"),
utf16!("ThrowTypeError"),
utf16!("URIError"),
utf16!("message"),
// Date object
utf16!("Date"),
utf16!("toJSON"),
utf16!("getDate"),
utf16!("getDay"),
utf16!("getFullYear"),
utf16!("getHours"),
utf16!("getMilliseconds"),
utf16!("getMinutes"),
utf16!("getMonth"),
utf16!("getSeconds"),
utf16!("getTime"),
utf16!("getYear"),
utf16!("getUTCDate"),
utf16!("getUTCDay"),
utf16!("getUTCFullYear"),
utf16!("getUTCHours"),
utf16!("getUTCMinutes"),
utf16!("getUTCMonth"),
utf16!("getUTCSeconds"),
utf16!("setDate"),
utf16!("setFullYear"),
utf16!("setHours"),
utf16!("setMilliseconds"),
utf16!("setMinutes"),
utf16!("setMonth"),
utf16!("setSeconds"),
utf16!("setYear"),
utf16!("setTime"),
utf16!("setUTCDate"),
utf16!("setUTCFullYear"),
utf16!("setUTCHours"),
utf16!("setUTCMinutes"),
utf16!("setUTCMonth"),
utf16!("setUTCSeconds"),
utf16!("toDateString"),
utf16!("toGMTString"),
utf16!("toISOString"),
utf16!("toTimeString"),
utf16!("toUTCString"),
utf16!("now"),
utf16!("UTC"),
// JSON object
utf16!("JSON"),
utf16!("parse"),
utf16!("stringify"),
// Iterator object
utf16!("Array Iterator"),
utf16!("Set Iterator"),
utf16!("String Iterator"),
utf16!("Map Iterator"),
utf16!("For In Iterator"),
// Math object
utf16!("Math"),
utf16!("LN10"),
utf16!("LN2"),
utf16!("LOG10E"),
utf16!("LOG2E"),
utf16!("PI"),
utf16!("SQRT1_2"),
utf16!("SQRT2"),
utf16!("abs"),
utf16!("acos"),
utf16!("acosh"),
utf16!("asin"),
utf16!("asinh"),
utf16!("atan"),
utf16!("atanh"),
utf16!("atan2"),
utf16!("cbrt"),
utf16!("ceil"),
utf16!("clz32"),
utf16!("cos"),
utf16!("cosh"),
utf16!("exp"),
utf16!("expm1"),
utf16!("floor"),
utf16!("fround"),
utf16!("hypot"),
utf16!("imul"),
utf16!("log"),
utf16!("log1p"),
utf16!("log10"),
utf16!("log2"),
utf16!("max"),
utf16!("min"),
utf16!("pow"),
utf16!("random"),
utf16!("round"),
utf16!("sign"),
utf16!("sin"),
utf16!("sinh"),
utf16!("sqrt"),
utf16!("tan"),
utf16!("tanh"),
utf16!("trunc"),
// Intl object
utf16!("Intl"),
utf16!("DateTimeFormat"),
// TypedArray object
utf16!("TypedArray"),
utf16!("ArrayBuffer"),
utf16!("Int8Array"),
utf16!("Uint8Array"),
utf16!("Int16Array"),
utf16!("Uint16Array"),
utf16!("Int32Array"),
utf16!("Uint32Array"),
utf16!("BigInt64Array"),
utf16!("BigUint64Array"),
utf16!("Float32Array"),
utf16!("Float64Array"),
utf16!("buffer"),
utf16!("byteLength"),
utf16!("byteOffset"),
utf16!("isView"),
utf16!("subarray"),
utf16!("get byteLength"),
utf16!("get buffer"),
utf16!("get byteOffset"),
utf16!("get size"),
utf16!("get length"),
// DataView object
utf16!("DataView"),
utf16!("getBigInt64"),
utf16!("getBigUint64"),
utf16!("getFloat32"),
utf16!("getFloat64"),
utf16!("getInt8"),
utf16!("getInt16"),
utf16!("getInt32"),
utf16!("getUint8"),
utf16!("getUint16"),
utf16!("getUint32"),
utf16!("setBigInt64"),
utf16!("setBigUint64"),
utf16!("setFloat32"),
utf16!("setFloat64"),
utf16!("setInt8"),
utf16!("setInt16"),
utf16!("setInt32"),
utf16!("setUint8"),
utf16!("setUint16"),
utf16!("setUint32"),
// Console object
utf16!("console"),
utf16!("assert"),
utf16!("debug"),
utf16!("error"),
utf16!("info"),
utf16!("trace"),
utf16!("warn"),
utf16!("exception"),
utf16!("count"),
utf16!("countReset"),
utf16!("group"),
utf16!("groupCollapsed"),
utf16!("groupEnd"),
utf16!("time"),
utf16!("timeLog"),
utf16!("timeEnd"),
utf16!("dir"),
utf16!("dirxml"),
// Minified name
utf16!("a"),
utf16!("b"),
utf16!("c"),
utf16!("d"),
utf16!("e"),
utf16!("f"),
utf16!("g"),
utf16!("h"),
utf16!("i"),
utf16!("j"),
utf16!("k"),
utf16!("l"),
utf16!("m"),
utf16!("n"),
utf16!("o"),
utf16!("p"),
utf16!("q"),
utf16!("r"),
utf16!("s"),
utf16!("t"),
utf16!("u"),
utf16!("v"),
utf16!("w"),
utf16!("x"),
utf16!("y"),
utf16!("z"),
utf16!("A"),
utf16!("B"),
utf16!("C"),
utf16!("D"),
utf16!("E"),
utf16!("F"),
utf16!("G"),
utf16!("H"),
utf16!("I"),
utf16!("J"),
utf16!("K"),
utf16!("L"),
utf16!("M"),
utf16!("N"),
utf16!("O"),
utf16!("P"),
utf16!("Q"),
utf16!("R"),
utf16!("S"),
utf16!("T"),
utf16!("U"),
utf16!("V"),
utf16!("W"),
utf16!("X"),
utf16!("Y"),
utf16!("Z"),
utf16!("_"),
utf16!("$"),
// Well known symbols
utf16!("Symbol.asyncIterator"),
utf16!("[Symbol.asyncIterator]"),
utf16!("Symbol.hasInstance"),
utf16!("[Symbol.hasInstance]"),
utf16!("Symbol.isConcatSpreadable"),
utf16!("[Symbol.isConcatSpreadable]"),
utf16!("Symbol.iterator"),
utf16!("[Symbol.iterator]"),
utf16!("Symbol.match"),
utf16!("[Symbol.match]"),
utf16!("Symbol.matchAll"),
utf16!("[Symbol.matchAll]"),
utf16!("Symbol.replace"),
utf16!("[Symbol.replace]"),
utf16!("Symbol.search"),
utf16!("[Symbol.search]"),
utf16!("Symbol.species"),
utf16!("[Symbol.species]"),
utf16!("Symbol.split"),
utf16!("[Symbol.split]"),
utf16!("Symbol.toPrimitive"),
utf16!("[Symbol.toPrimitive]"),
utf16!("Symbol.toStringTag"),
utf16!("[Symbol.toStringTag]"),
utf16!("Symbol.unscopables"),
utf16!("[Symbol.unscopables]"),
];