Method str

rhino/src/main/java/org/mozilla/javascript/NativeJSON.java:253–357

(Object key, Scriptable holder, StringifyState state)

    }

    private static Object str(Object key, Scriptable holder, StringifyState state) {
        Object value = null;
        Object unwrappedJavaValue = null;

        String keyString = null;
        int keyInt = 0;
        if (key instanceof String) {
            keyString = (String) key;
            value = getProperty(holder, keyString);
        } else {
            keyInt = ((Number) key).intValue();
            value = getProperty(holder, keyInt);
        }

        if (value instanceof Scriptable && hasProperty((Scriptable) value, "toJSON")) {
            Object toJSON = getProperty((Scriptable) value, "toJSON");
            if (toJSON instanceof Callable) {
                value =
                        callMethod(
                                state.cx,
                                (Scriptable) value,
                                "toJSON",
                                new Object[] {
                                    keyString == null ? Integer.toString(keyInt) : keyString
                                });
            }
        } else if (value instanceof BigInteger) {
            Scriptable bigInt = ScriptRuntime.toObject(state.cx, state.scope, value);
            if (hasProperty(bigInt, "toJSON")) {
                Object toJSON = getProperty(bigInt, "toJSON");
                if (toJSON instanceof Callable) {
                    value =
                            callMethod(
                                    state.cx,
                                    bigInt,
                                    "toJSON",
                                    new Object[] {
                                        keyString == null ? Integer.toString(keyInt) : keyString
                                    });
                }
            }
        }

        if (state.replacer != null) {
            value = state.replacer.call(state.cx, state.scope, holder, new Object[] {key, value});
        }

        if (ScriptRuntime.isSymbol(value)) return Undefined.instance;

        if (value instanceof NativeNumber) {
            value = Double.valueOf(ScriptRuntime.toNumber(value));
        } else if (value instanceof NativeString) {
            value = ScriptRuntime.toString(value);
        } else if (value instanceof NativeBoolean) {
            value = ((NativeBoolean) value).getDefaultValue(ScriptRuntime.BooleanClass);
        } else if (state.cx.getLanguageVersion() >= Context.VERSION_ES6
                && value instanceof NativeBigInt) {
            value = ((NativeBigInt) value).getDefaultValue(ScriptRuntime.BigIntegerClass);