sebastienros.jint/Jint/Runtime/Intrinsics.cs

using Jint.Native;
using Jint.Native.AggregateError;
using Jint.Native.Array;
using Jint.Native.ArrayBuffer;
using Jint.Native.AsyncFunction;
using Jint.Native.Atomics;
using Jint.Native.BigInt;
using Jint.Native.Boolean;
using Jint.Native.DataView;
using Jint.Native.Date;
using Jint.Native.Disposable;
using Jint.Native.Error;
using Jint.Native.FinalizationRegistry;
using Jint.Native.Function;
using Jint.Native.Generator;
using Jint.Native.Iterator;
using Jint.Native.Json;
using Jint.Native.Map;
using Jint.Native.Math;
using Jint.Native.Number;
using Jint.Native.Object;
using Jint.Native.Promise;
using Jint.Native.Proxy;
using Jint.Native.Reflect;
using Jint.Native.RegExp;
using Jint.Native.Set;
using Jint.Native.ShadowRealm;
using Jint.Native.SharedArrayBuffer;
using Jint.Native.String;
using Jint.Native.SuppressedError;
using Jint.Native.Symbol;
using Jint.Native.TypedArray;
using Jint.Native.WeakMap;
using Jint.Native.WeakRef;
using Jint.Native.WeakSet;

namespace Jint.Runtime;

public sealed partial class Intrinsics
{
    private static readonly JsString _errorFunctionName = new("Error");
    private static readonly JsString _evalErrorFunctionName = new("EvalError");
    private static readonly JsString _rangeErrorFunctionName = new("RangeError");
    private static readonly JsString _referenceErrorFunctionName = new("ReferenceError");
    private static readonly JsString _syntaxErrorFunctionName = new("SyntaxError");
    private static readonly JsString _typeErrorFunctionName = new("TypeError");
    private static readonly JsString _uriErrorFunctionName = new("URIError");

    private readonly Engine _engine;
    private readonly Realm _realm;

    // lazy properties
    private ThrowTypeError? _throwTypeError;
    private AggregateErrorConstructor? _aggregateError;
    private SuppressedErrorConstructor? _suppressedError;
    private ErrorConstructor? _error;
    private ErrorConstructor? _evalError;
    private ErrorConstructor? _rangeError;
    private ErrorConstructor? _referenceError;
    private ErrorConstructor? _syntaxError;
    private ErrorConstructor? _typeError;
    private ErrorConstructor? _uriError;
    private WeakMapConstructor? _weakMap;
    private WeakSetConstructor? _weakSet;
    private WeakRefConstructor? _weakRef;
    private PromiseConstructor? _promise;
    private ProxyConstructor? _proxy;
    private ReflectInstance? _reflect;
    private EvalFunction? _eval;
    private DateConstructor? _date;
    private IteratorPrototype? _iteratorPrototype;
    private MathInstance? _math;
    private JsonInstance? _json;
    private SymbolConstructor? _symbol;
    private AsyncGeneratorFunctionConstructor? _asyncGeneratorFunction;
    private GeneratorFunctionConstructor? _generatorFunction;
    private RegExpConstructor? _regExp;
    private RegExpStringIteratorPrototype? _regExpStringIteratorPrototype;
    private NumberConstructor? _number;
    private BigIntConstructor? _bigInt;
    private StringConstructor? _string;
    private StringIteratorPrototype? _stringIteratorPrototype;
    private MapConstructor? _map;
    private MapIteratorPrototype? _mapIteratorPrototype;
    private SetConstructor? _set;
    private SetIteratorPrototype? _setIteratorPrototype;
    private ArrayConstructor? _array;
    private ArrayIteratorPrototype? _arrayIteratorPrototype;
    private AtomicsInstance? _atomics;
    private BooleanConstructor? _boolean;
    private ArrayBufferConstructor? _arrayBufferConstructor;
    private SharedArrayBufferConstructor? _sharedArrayBufferConstructor;
    private DataViewConstructor? _dataView;
    private AsyncFunctionConstructor? _asyncFunction;
    private FinalizationRegistryConstructor? _finalizationRegistry;

    private IntrinsicTypedArrayConstructor? _typedArray;
    private Int8ArrayConstructor? _int8Array;
    private Uint8ArrayConstructor? _uint8Array;
    private Uint8ClampedArrayConstructor? _uint8ClampedArray;
    private Int16ArrayConstructor? _int16Array;
    private Uint16ArrayConstructor? _uint16Array;
    private Int32ArrayConstructor? _int32Array;
    private Uint32ArrayConstructor? _uint32Array;
    private BigInt64ArrayConstructor? _bigInt64Array;
    private BigUint64ArrayConstructor? _bigUint64Array;
    private Float16ArrayConstructor? _float16Array;
    private Float32ArrayConstructor? _float32Array;
    private Float64ArrayConstructor? _float64Array;

    private ShadowRealmConstructor? _shadowRealm;

    private AsyncDisposableStackConstructor? _asyncDisposableStack;
    private DisposableStackConstructor? _disposableStack;

    internal Intrinsics(Engine engine, Realm realm)
    {
        _engine = engine;
        _realm = realm;

        // we need to transfer state currently to some initialization, would otherwise require quite the
        // ClrFunctionInstance constructor refactoring
        _engine._originalIntrinsics = this;

        Object = new ObjectConstructor(engine, realm);
        Function = new FunctionConstructor(engine, realm, Object.PrototypeObject);

        // this is implementation dependent, and only to pass some unit tests
        Object._prototype = Function.PrototypeObject;
    }

    public ObjectConstructor Object { get; }
    public FunctionConstructor Function { get; }

    internal FinalizationRegistryConstructor FinalizationRegistry =>
        _finalizationRegistry ??= new FinalizationRegistryConstructor(_engine, _realm, Function, Object.PrototypeObject);

    internal AsyncFunctionConstructor AsyncFunction =>
        _asyncFunction ??= new AsyncFunctionConstructor(_engine, _realm, Function);

    public ArrayConstructor Array =>
        _array ??= new ArrayConstructor(_engine, _realm, Function.PrototypeObject, Object.PrototypeObject);

    internal AtomicsInstance Atomics =>
        _atomics ??= new AtomicsInstance(_engine, _realm, Object.PrototypeObject);

    internal AggregateErrorConstructor AggregateError =>
        _aggregateError ??= new AggregateErrorConstructor(_engine, _realm, Error);

    internal SuppressedErrorConstructor SuppressedError =>
        _suppressedError ??= new SuppressedErrorConstructor(_engine, _realm, Error);

    internal ArrayIteratorPrototype ArrayIteratorPrototype =>
        _arrayIteratorPrototype ??= new ArrayIteratorPrototype(_engine, _realm, this.IteratorPrototype);

    internal DataViewConstructor DataView =>
        _dataView ??= new DataViewConstructor(_engine, _realm, Function.PrototypeObject, Object.PrototypeObject);

    public ArrayBufferConstructor ArrayBuffer =>
        _arrayBufferConstructor ??= new ArrayBufferConstructor(_engine, _realm, Function.PrototypeObject, Object.PrototypeObject);

    internal SharedArrayBufferConstructor SharedArrayBuffer =>
        _sharedArrayBufferConstructor ??= new SharedArrayBufferConstructor(_engine, _realm, Function.PrototypeObject, Object.PrototypeObject);

    internal IntrinsicTypedArrayConstructor TypedArray =>
        _typedArray ??= new IntrinsicTypedArrayConstructor(_engine, _realm, Function.PrototypeObject, Object.PrototypeObject, "TypedArray");

    public Int8ArrayConstructor Int8Array =>
        _int8Array ??= new Int8ArrayConstructor(_engine, _realm, TypedArray, TypedArray.PrototypeObject);

    public Uint8ArrayConstructor Uint8Array =>
        _uint8Array ??= new Uint8ArrayConstructor(_engine, _realm, TypedArray, TypedArray.PrototypeObject);

    public Uint8ClampedArrayConstructor Uint8ClampedArray =>
        _uint8ClampedArray ??= new Uint8ClampedArrayConstructor(_engine, _realm, TypedArray, TypedArray.PrototypeObject);

    public Int16ArrayConstructor Int16Array =>
        _int16Array ??= new Int16ArrayConstructor(_engine, _realm, TypedArray, TypedArray.PrototypeObject);

    public Uint16ArrayConstructor Uint16Array =>
        _uint16Array ??= new Uint16ArrayConstructor(_engine, _realm, TypedArray, TypedArray.PrototypeObject);

    public Int32ArrayConstructor Int32Array =>
        _int32Array ??= new Int32ArrayConstructor(_engine, _realm, TypedArray, TypedArray.PrototypeObject);

    public Uint32ArrayConstructor Uint32Array =>
        _uint32Array ??= new Uint32ArrayConstructor(_engine, _realm, TypedArray, TypedArray.PrototypeObject);

    public BigInt64ArrayConstructor BigInt64Array =>
        _bigInt64Array ??= new BigInt64ArrayConstructor(_engine, _realm, TypedArray, TypedArray.PrototypeObject);

    public BigUint64ArrayConstructor BigUint64Array =>
        _bigUint64Array ??= new BigUint64ArrayConstructor(_engine, _realm, TypedArray, TypedArray.PrototypeObject);

    public Float16ArrayConstructor Float16Array =>
        _float16Array ??= new Float16ArrayConstructor(_engine, _realm, TypedArray, TypedArray.PrototypeObject);

    public Float32ArrayConstructor Float32Array =>
        _float32Array ??= new Float32ArrayConstructor(_engine, _realm, TypedArray, TypedArray.PrototypeObject);

    public Float64ArrayConstructor Float64Array =>
        _float64Array ??= new Float64ArrayConstructor(_engine, _realm, TypedArray, TypedArray.PrototypeObject);

    public MapConstructor Map =>
        _map ??= new MapConstructor(_engine, _realm, Function.PrototypeObject, Object.PrototypeObject);

    internal MapIteratorPrototype MapIteratorPrototype =>
        _mapIteratorPrototype ??= new MapIteratorPrototype(_engine, _realm, IteratorPrototype);

    public SetConstructor Set =>
        _set ??= new SetConstructor(_engine, _realm, Function.PrototypeObject, Object.PrototypeObject);

    internal SetIteratorPrototype SetIteratorPrototype =>
        _setIteratorPrototype ??= new SetIteratorPrototype(_engine, _realm, IteratorPrototype);

    internal WeakMapConstructor WeakMap =>
        _weakMap ??= new WeakMapConstructor(_engine, _realm, Function.PrototypeObject, Object.PrototypeObject);

    internal WeakSetConstructor WeakSet =>
        _weakSet ??= new WeakSetConstructor(_engine, _realm, Function.PrototypeObject, Object.PrototypeObject);

    internal WeakRefConstructor WeakRef =>
        _weakRef ??= new WeakRefConstructor(_engine, _realm, Function.PrototypeObject, Object.PrototypeObject);

    internal PromiseConstructor Promise =>
        _promise ??= new PromiseConstructor(_engine, _realm, Function.PrototypeObject, Object.PrototypeObject);

    internal IteratorPrototype IteratorPrototype =>
        _iteratorPrototype ??= new IteratorPrototype(_engine, _realm, Object.PrototypeObject);

    internal StringConstructor String =>
        _string ??= new StringConstructor(_engine, _realm, Function.PrototypeObject, Object.PrototypeObject);

    internal StringIteratorPrototype StringIteratorPrototype =>
        _stringIteratorPrototype ??= new StringIteratorPrototype(_engine, _realm, IteratorPrototype);

    public RegExpConstructor RegExp =>
        _regExp ??= new RegExpConstructor(_engine, _realm, Function.PrototypeObject, Object.PrototypeObject);

    internal RegExpStringIteratorPrototype RegExpStringIteratorPrototype =>
        _regExpStringIteratorPrototype ??= new RegExpStringIteratorPrototype(_engine, _realm, IteratorPrototype);

    internal BooleanConstructor Boolean =>
        _boolean ??= new BooleanConstructor(_engine, _realm, Function.PrototypeObject, Object.PrototypeObject);

    internal NumberConstructor Number =>
        _number ??= new NumberConstructor(_engine, _realm, Function.PrototypeObject, Object.PrototypeObject);

    internal BigIntConstructor BigInt =>
        _bigInt ??= new BigIntConstructor(_engine, _realm, Function.PrototypeObject, Object.PrototypeObject);

    internal DateConstructor Date =>
        _date ??= new DateConstructor(_engine, _realm, Function.PrototypeObject, Object.PrototypeObject);

    internal MathInstance Math =>
        _math ??= new MathInstance(_engine, Object.PrototypeObject);

    internal JsonInstance Json =>
        _json ??= new JsonInstance(_engine, _realm, Object.PrototypeObject);

    internal ProxyConstructor Proxy =>
        _proxy ??= new ProxyConstructor(_engine, _realm);

    internal ReflectInstance Reflect =>
        _reflect ??= new ReflectInstance(_engine, _realm, Object.PrototypeObject);

    internal SymbolConstructor Symbol =>
        _symbol ??= new SymbolConstructor(_engine, _realm, Function.PrototypeObject, Object.PrototypeObject);

    public ShadowRealmConstructor ShadowRealm =>
        _shadowRealm ??= new ShadowRealmConstructor(_engine, _realm, Function.PrototypeObject, Object.PrototypeObject);

    internal GeneratorFunctionConstructor GeneratorFunction =>
        _generatorFunction ??= new GeneratorFunctionConstructor(_engine, _realm, Function.PrototypeObject, IteratorPrototype);

    internal AsyncGeneratorFunctionConstructor AsyncGeneratorFunction =>
        _asyncGeneratorFunction ??= new AsyncGeneratorFunctionConstructor(_engine, _realm, AsyncFunction.PrototypeObject, IteratorPrototype);

    public EvalFunction Eval =>
        _eval ??= new EvalFunction(_engine, _realm, Function.PrototypeObject);

    public ErrorConstructor Error =>
        _error ??= new ErrorConstructor(_engine, _realm, Function.PrototypeObject, Object.PrototypeObject, _errorFunctionName, static intrinsics => intrinsics.Error.PrototypeObject);

    internal ErrorConstructor EvalError =>
        _evalError ??= new ErrorConstructor(_engine, _realm, Error, Error.PrototypeObject, _evalErrorFunctionName, static intrinsics => intrinsics.EvalError.PrototypeObject);

    internal ErrorConstructor SyntaxError =>
        _syntaxError ??= new ErrorConstructor(_engine, _realm, Error, Error.PrototypeObject, _syntaxErrorFunctionName, static intrinsics => intrinsics.SyntaxError.PrototypeObject);

    public ErrorConstructor TypeError =>
        _typeError ??= new ErrorConstructor(_engine, _realm, Error, Error.PrototypeObject, _typeErrorFunctionName, static intrinsics => intrinsics.TypeError.PrototypeObject);

    internal ErrorConstructor RangeError =>
        _rangeError ??= new ErrorConstructor(_engine, _realm, Error, Error.PrototypeObject, _rangeErrorFunctionName, static intrinsics => intrinsics.RangeError.PrototypeObject);

    internal ErrorConstructor ReferenceError =>
        _referenceError ??= new ErrorConstructor(_engine, _realm, Error, Error.PrototypeObject, _referenceErrorFunctionName, static intrinsics => intrinsics.ReferenceError.PrototypeObject);

    internal ErrorConstructor UriError =>
        _uriError ??= new ErrorConstructor(_engine, _realm, Error, Error.PrototypeObject, _uriErrorFunctionName, static intrinsics => intrinsics.UriError.PrototypeObject);

    internal ThrowTypeError ThrowTypeError =>
        _throwTypeError ??= new ThrowTypeError(_engine, _engine.Realm) { _prototype = _engine.Realm.Intrinsics.Function.PrototypeObject };

    internal AsyncDisposableStackConstructor AsyncDisposableStack =>
        _asyncDisposableStack ??= new AsyncDisposableStackConstructor(_engine, _engine.Realm) { _prototype = _engine.Realm.Intrinsics.Function.PrototypeObject };

    internal DisposableStackConstructor DisposableStack =>
        _disposableStack ??= new DisposableStackConstructor(_engine, _engine.Realm) { _prototype = _engine.Realm.Intrinsics.Function.PrototypeObject };
}