Class NativeError

rhino/src/main/java/org/mozilla/javascript/NativeError.java:23–424

The class of error objects ECMA 15.11

 * <p>ECMA 15.11
 */
final class NativeError extends ScriptableObject {
    @Serial private static final long serialVersionUID = -5338413581437645187L;

    private static final String ERROR_TAG = "Error";
    private static final String STACK_TAG = "stack";

    /** Default stack limit is set to "Infinity", here represented as a negative int */
    public static final int DEFAULT_STACK_LIMIT = -1;

    // This is used by "captureStackTrace"
    private static final String STACK_HIDE_KEY = "_stackHide";

    private RhinoException stackProvider;
    private Object stack;

    private static final ClassDescriptor DESCRIPTOR;

    static {
        DESCRIPTOR =
                new ClassDescriptor.Builder(
                                ERROR_TAG,
                                1,
                                NativeError::js_constructor,
                                NativeError::js_constructor)
                        .withMethod(CTOR, "captureStackTrace", 0, NativeError::js_captureStackTrace)
                        .withMethod(CTOR, "isError", 1, NativeError::js_isError)
                        .withMethod(PROTO, "toString", 0, NativeError::js_toString)
                        .withMethod(PROTO, "toSource", 0, NativeError::js_toSource)
                        .withProp(PROTO, "name", value("Error", DONTENUM))
                        .withProp(PROTO, "message", value("", DONTENUM))
                        .withProp(PROTO, "fileName", value("", DONTENUM))
                        .withProp(PROTO, "lineNumber", value(0, DONTENUM))
                        .build();
    }

    static Object js_constructor(
            Context cx, JSFunction f, Object nt, VarScope s, Object thisObj, Object[] args) {
        return make(cx, f, nt, s, thisObj, args, TopLevel.NativeErrors.Error);
    }

    private static Object js_toString(
            Context cx, JSFunction f, Object nt, VarScope s, Object thisObj, Object[] args) {
        return js_toString((Scriptable) thisObj);
    }

    private static Object js_toSource(
            Context cx, JSFunction f, Object nt, VarScope s, Object thisObj, Object[] args) {
        return js_toSource(cx, s, (Scriptable) thisObj);
    }

    private static Object js_captureStackTrace(
            Context cx, JSFunction f, Object nt, VarScope s, Object thisObj, Object[] args) {
        js_captureStackTrace(cx, f.getDeclarationScope(), thisObj, args);
        return Undefined.instance;
    }

    private static Object js_isError(
            Context cx, JSFunction f, Object nt, VarScope s, Object thisObj, Object[] args) {