82 lines
3.3 KiB
Java
82 lines
3.3 KiB
Java
package me.topchetoeu.jscript.lib;
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import java.util.HashMap;
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import java.util.Map;
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import me.topchetoeu.jscript.runtime.exceptions.EngineException;
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import me.topchetoeu.jscript.runtime.values.ObjectValue;
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import me.topchetoeu.jscript.runtime.values.Symbol;
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import me.topchetoeu.jscript.runtime.values.Values;
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import me.topchetoeu.jscript.utils.interop.Arguments;
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import me.topchetoeu.jscript.utils.interop.Expose;
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import me.topchetoeu.jscript.utils.interop.ExposeConstructor;
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import me.topchetoeu.jscript.utils.interop.ExposeField;
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import me.topchetoeu.jscript.utils.interop.ExposeTarget;
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import me.topchetoeu.jscript.utils.interop.WrapperName;
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@WrapperName("Symbol")
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public class SymbolLib {
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private static final Map<String, Symbol> symbols = new HashMap<>();
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@ExposeField(target = ExposeTarget.STATIC)
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public static final Symbol __typeName = Symbol.get("Symbol.typeName");
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@ExposeField(target = ExposeTarget.STATIC)
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public static final Symbol __replace = Symbol.get("Symbol.replace");
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@ExposeField(target = ExposeTarget.STATIC)
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public static final Symbol __match = Symbol.get("Symbol.match");
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@ExposeField(target = ExposeTarget.STATIC)
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public static final Symbol __matchAll = Symbol.get("Symbol.matchAll");
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@ExposeField(target = ExposeTarget.STATIC)
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public static final Symbol __split = Symbol.get("Symbol.split");
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@ExposeField(target = ExposeTarget.STATIC)
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public static final Symbol __search = Symbol.get("Symbol.search");
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@ExposeField(target = ExposeTarget.STATIC)
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public static final Symbol __iterator = Symbol.get("Symbol.iterator");
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@ExposeField(target = ExposeTarget.STATIC)
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public static final Symbol __asyncIterator = Symbol.get("Symbol.asyncIterator");
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@ExposeField(target = ExposeTarget.STATIC)
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public static final Symbol __cause = Symbol.get("Symbol.cause");
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public final Symbol value;
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private static Symbol passThis(Arguments args, String funcName) {
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var val = args.self;
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if (Values.isWrapper(val, SymbolLib.class)) return Values.wrapper(val, SymbolLib.class).value;
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else if (val instanceof Symbol) return (Symbol)val;
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else throw EngineException.ofType(String.format("'%s' may only be called upon object and primitve symbols.", funcName));
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}
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public SymbolLib(Symbol val) {
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this.value = val;
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}
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@Expose public static String __toString(Arguments args) {
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return passThis(args, "toString").value;
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}
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@Expose public static Symbol __valueOf(Arguments args) {
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return passThis(args, "valueOf");
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}
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@ExposeConstructor
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public static Object __constructor(Arguments args) {
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if (args.self instanceof ObjectValue) throw EngineException.ofType("Symbol constructor may not be called with new.");
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if (args.get(0) == null) return new Symbol("");
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else return new Symbol(args.getString(0));
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}
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@Expose(target = ExposeTarget.STATIC)
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public static Symbol __for(Arguments args) {
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var key = args.getString(0);
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if (symbols.containsKey(key)) return symbols.get(key);
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else {
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var sym = new Symbol(key);
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symbols.put(key, sym);
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return sym;
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}
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}
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@Expose(target = ExposeTarget.STATIC)
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public static String __keyFor(Arguments args) {
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return passThis(new Arguments(args.ctx, args.get(0)), "keyFor").value;
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}
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}
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