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feat: make Function constructor

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TopchetoEU 2024-04-20 23:44:02 +03:00
parent 099201e4ad
commit ceb59a2044
Signed by: topchetoeu
GPG Key ID: 6531B8583E5F6ED4
1 changed files with 29 additions and 0 deletions
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29
src/java/me/topchetoeu/jscript/lib/FunctionLib.java
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@ -1,16 +1,24 @@
package me.topchetoeu.jscript.lib;
import me.topchetoeu.jscript.common.Filename;
import me.topchetoeu.jscript.runtime.Compiler;
import me.topchetoeu.jscript.runtime.Context;
import me.topchetoeu.jscript.runtime.scope.ValueVariable;
import me.topchetoeu.jscript.runtime.values.ArrayValue;
import me.topchetoeu.jscript.runtime.values.CodeFunction;
import me.topchetoeu.jscript.runtime.values.FunctionValue;
import me.topchetoeu.jscript.runtime.values.NativeFunction;
import me.topchetoeu.jscript.runtime.values.Values;
import me.topchetoeu.jscript.utils.interop.Arguments;
import me.topchetoeu.jscript.utils.interop.Expose;
import me.topchetoeu.jscript.utils.interop.ExposeConstructor;
import me.topchetoeu.jscript.utils.interop.ExposeTarget;
import me.topchetoeu.jscript.utils.interop.WrapperName;
@WrapperName("Function")
public class FunctionLib {
private static int i;
@Expose public static Object __apply(Arguments args) {
return args.self(FunctionValue.class).call(args.ctx, args.get(0), args.convert(1, ArrayValue.class).toArray());
}
@ -51,4 +59,25 @@ public class FunctionLib {
public static FunctionValue __generator(Arguments args) {
return new GeneratorFunctionLib(args.convert(0, CodeFunction.class));
}
@ExposeConstructor
public static Object __constructor(Arguments args) {
var compiler = Compiler.get(args);
var parts = args.convert(String.class);
if (parts.length == 0) parts = new String[] { "" };
var src = "return function(";
for (var i = 0; i < parts.length - 1; i++) {
if (i != 0) src += ",";
src += parts[i];
}
src += "){" + parts[parts.length - 1] + "}";
var body = compiler.compile(new Filename("jscript", "func/" + i++), src);
var func = new CodeFunction(Context.clean(args.ctx), "", body, new ValueVariable[0]);
return Values.call(args, func, null);
}
}