Java Code Examples for jdk.nashorn.internal.runtime.ScriptRuntime#apply()

@Override
public Iterator<String> propertyIterator() {
    // Try __getIds__ first, if not found then try __getKeys__
    // In jdk6, we had added "__getIds__" so this is just for compatibility.
    Object func = adaptee.get(__getIds__);
    if (!(func instanceof ScriptFunction)) {
        func = adaptee.get(__getKeys__);
    }

    Object obj;
    if (func instanceof ScriptFunction) {
        obj = ScriptRuntime.apply((ScriptFunction)func, this);
    } else {
        obj = new NativeArray(0);
    }

    final List<String> array = new ArrayList<>();
    for (final Iterator<Object> iter = ArrayLikeIterator.arrayLikeIterator(obj); iter.hasNext(); ) {
        array.add((String)iter.next());
    }

    return array.iterator();
}
 

/**
 * ECMA 15.3.4.4 Function.prototype.call (thisArg [ , arg1 [ , arg2, ... ] ] )
 *
 * @param self self reference
 * @param args arguments for call
 * @return result of call
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, arity = 1)
public static Object call(final Object self, final Object... args) {
    if (!(self instanceof ScriptFunction) && !(self instanceof JSObject)) {
        throw typeError("not.a.function", ScriptRuntime.safeToString(self));
    }

    Object thiz = (args.length == 0) ? UNDEFINED : args[0];
    Object[] arguments;

    if (args.length > 1) {
        arguments = new Object[args.length - 1];
        System.arraycopy(args, 1, arguments, 0, arguments.length);
    } else {
        arguments = ScriptRuntime.EMPTY_ARRAY;
    }

    if (self instanceof ScriptFunction) {
        return ScriptRuntime.apply((ScriptFunction)self, thiz, arguments);
    } else if (self instanceof JSObject) {
        return ((JSObject)self).call(thiz, arguments);
    }

    throw new AssertionError("should not reach here");
}
 

/**
 * ECMA 15.3.4.4 Function.prototype.call (thisArg [ , arg1 [ , arg2, ... ] ] )
 *
 * @param self self reference
 * @param args arguments for call
 * @return result of call
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, arity = 1)
public static Object call(final Object self, final Object... args) {
    checkCallable(self);

    final Object thiz = (args.length == 0) ? UNDEFINED : args[0];
    Object[] arguments;

    if (args.length > 1) {
        arguments = new Object[args.length - 1];
        System.arraycopy(args, 1, arguments, 0, arguments.length);
    } else {
        arguments = ScriptRuntime.EMPTY_ARRAY;
    }

    if (self instanceof ScriptFunction) {
        return ScriptRuntime.apply((ScriptFunction)self, thiz, arguments);
    } else if (self instanceof JSObject) {
        return ((JSObject)self).call(thiz, arguments);
    }

    throw new AssertionError("should not reach here");
}
 

/**
 * ECMA 15.3.4.4 Function.prototype.call (thisArg [ , arg1 [ , arg2, ... ] ] )
 *
 * @param self self reference
 * @param args arguments for call
 * @return result of call
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, arity = 1)
public static Object call(final Object self, final Object... args) {
    checkCallable(self);

    final Object thiz = (args.length == 0) ? UNDEFINED : args[0];
    Object[] arguments;

    if (args.length > 1) {
        arguments = new Object[args.length - 1];
        System.arraycopy(args, 1, arguments, 0, arguments.length);
    } else {
        arguments = ScriptRuntime.EMPTY_ARRAY;
    }

    if (self instanceof ScriptFunction) {
        return ScriptRuntime.apply((ScriptFunction)self, thiz, arguments);
    } else if (self instanceof JSObject) {
        return ((JSObject)self).call(thiz, arguments);
    }

    throw new AssertionError("should not reach here");
}
 

private static void logEvent(final RuntimeEvent<?> event) {
    if (event != null) {
        final Global global = Context.getGlobal();
        if (global.has("Debug")) {
            final ScriptObject debug = (ScriptObject)global.get("Debug");
            final ScriptFunction addRuntimeEvent = (ScriptFunction)debug.get("addRuntimeEvent");
            ScriptRuntime.apply(addRuntimeEvent, debug, event);
        }
    }
}
 

private Object callAdaptee(final Object retValue, final String name, final Object... args) {
    final Object func = adaptee.get(name);
    if (func instanceof ScriptFunction) {
        return ScriptRuntime.apply((ScriptFunction)func, adaptee, args);
    }
    return retValue;
}
 

/**
 * ECMA 15.3.4.3 Function.prototype.apply (thisArg, argArray)
 *
 * @param self   self reference
 * @param thiz   {@code this} arg for apply
 * @param array  array of argument for apply
 * @return result of apply
 */
@Function(attributes = Attribute.NOT_ENUMERABLE)
public static Object apply(final Object self, final Object thiz, final Object array) {
    checkCallable(self);

    final Object[] args = toApplyArgs(array);

    if (self instanceof ScriptFunction) {
        return ScriptRuntime.apply((ScriptFunction)self, thiz, args);
    } else if (self instanceof JSObject) {
        return ((JSObject)self).call(thiz, args);
    }
    throw new AssertionError("Should not reach here");
}
 

private Object callAdaptee(final Object retValue, final String name, final Object... args) {
    final Object func = adaptee.get(name);
    if (func instanceof ScriptFunction) {
        return ScriptRuntime.apply((ScriptFunction)func, adaptee, args);
    }
    return retValue;
}
 

private Object callAdaptee(final Object retValue, final String name, final Object... args) {
    final Object func = adaptee.get(name);
    if (func instanceof ScriptFunction) {
        return ScriptRuntime.apply((ScriptFunction)func, adaptee, args);
    }
    return retValue;
}
 

/**
 * ECMA 15.3.4.3 Function.prototype.apply (thisArg, argArray)
 *
 * @param self   self reference
 * @param thiz   {@code this} arg for apply
 * @param array  array of argument for apply
 * @return result of apply
 */
@Function(attributes = Attribute.NOT_ENUMERABLE)
public static Object apply(final Object self, final Object thiz, final Object array) {
    checkCallable(self);

    final Object[] args = toApplyArgs(array);

    if (self instanceof ScriptFunction) {
        return ScriptRuntime.apply((ScriptFunction)self, thiz, args);
    } else if (self instanceof JSObject) {
        return ((JSObject)self).call(thiz, args);
    }
    throw new AssertionError("Should not reach here");
}
 

private Object callAdaptee(final Object retValue, final String name, final Object... args) {
    final Object func = adaptee.get(name);
    if (func instanceof ScriptFunction) {
        return ScriptRuntime.apply((ScriptFunction)func, adaptee, args);
    }
    return retValue;
}
 

private Object callAdaptee(final Object retValue, final String name, final Object... args) {
    final Object func = adaptee.get(name);
    if (func instanceof ScriptFunction) {
        return ScriptRuntime.apply((ScriptFunction)func, adaptee, args);
    }
    return retValue;
}
 

@Override
public int run(final OutputStream out, final OutputStream err, final String[] args) throws IOException {
    final Global oldGlobal = Context.getGlobal();
    try {
        ctxOut.setDelegatee(out);
        ctxErr.setDelegatee(err);
        final ErrorManager errors = context.getErrorManager();
        final Global global = context.createGlobal();
        Context.setGlobal(global);

        // For each file on the command line.
        for (final String fileName : args) {
            if (fileName.startsWith("-")) {
                // ignore options in shared context mode (which was initialized upfront!)
                continue;
            }
            final File file = new File(fileName);
            final ScriptFunction script = context.compileScript(sourceFor(fileName, file.toURI().toURL()), global);

            if (script == null || errors.getNumberOfErrors() != 0) {
                return COMPILATION_ERROR;
            }

            try {
                ScriptRuntime.apply(script, global);
            } catch (final NashornException e) {
                errors.error(e.toString());
                if (context.getEnv()._dump_on_error) {
                    e.printStackTrace(context.getErr());
                }

                return RUNTIME_ERROR;
            }
        }
    } finally {
        context.getOut().flush();
        context.getErr().flush();
        Context.setGlobal(oldGlobal);
    }

    return SUCCESS;
}
 

@Override
public int run(final OutputStream out, final OutputStream err, final String[] args) throws IOException {
    final Global oldGlobal = Context.getGlobal();
    try {
        ctxOut.setDelegatee(out);
        ctxErr.setDelegatee(err);
        final ErrorManager errors = context.getErrorManager();
        final Global global = context.createGlobal();
        Context.setGlobal(global);

        // For each file on the command line.
        for (final String fileName : args) {
            if (fileName.startsWith("-")) {
                // ignore options in shared context mode (which was initialized upfront!)
                continue;
            }
            final File file = new File(fileName);
            final ScriptFunction script = context.compileScript(sourceFor(fileName, file.toURI().toURL()), global);

            if (script == null || errors.getNumberOfErrors() != 0) {
                return COMPILATION_ERROR;
            }

            try {
                ScriptRuntime.apply(script, global);
            } catch (final NashornException e) {
                errors.error(e.toString());
                if (context.getEnv()._dump_on_error) {
                    e.printStackTrace(context.getErr());
                }

                return RUNTIME_ERROR;
            }
        }
    } finally {
        context.getOut().flush();
        context.getErr().flush();
        Context.setGlobal(oldGlobal);
    }

    return SUCCESS;
}
 

private static Object eval(final Context cx, final String name, final String code) {
    final Source source = sourceFor(name, code);
    final ScriptObject global = Context.getGlobal();
    final ScriptFunction func = cx.compileScript(source, global);
    return func != null ? ScriptRuntime.apply(func, global) : null;
}
 

private static Object eval(final Context cx, final String name, final String code) {
    final Source source = sourceFor(name, code);
    final ScriptObject global = Context.getGlobal();
    final ScriptFunction func = cx.compileScript(source, global);
    return func != null ? ScriptRuntime.apply(func, global) : null;
}
 

private static Object eval(final Context cx, final String name, final String code) {
    final Source source = sourceFor(name, code);
    final ScriptObject global = Context.getGlobal();
    final ScriptFunction func = cx.compileScript(source, global);
    return func != null ? ScriptRuntime.apply(func, global) : null;
}
 

@Override
public int run(final OutputStream out, final OutputStream err, final String[] args) throws IOException {
    final Global oldGlobal = Context.getGlobal();
    try {
        ctxOut.setDelegatee(out);
        ctxErr.setDelegatee(err);
        final ErrorManager errors = context.getErrorManager();
        final Global global = context.createGlobal();
        Context.setGlobal(global);

        // For each file on the command line.
        for (final String fileName : args) {
            if (fileName.startsWith("-")) {
                // ignore options in shared context mode (which was initialized upfront!)
                continue;
            }
            final File file = new File(fileName);
            final ScriptFunction script = context.compileScript(sourceFor(fileName, file.toURI().toURL()), global);

            if (script == null || errors.getNumberOfErrors() != 0) {
                return COMPILATION_ERROR;
            }

            try {
                ScriptRuntime.apply(script, global);
            } catch (final NashornException e) {
                errors.error(e.toString());
                if (context.getEnv()._dump_on_error) {
                    e.printStackTrace(context.getErr());
                }

                return RUNTIME_ERROR;
            }
        }
    } finally {
        context.getOut().flush();
        context.getErr().flush();
        Context.setGlobal(oldGlobal);
    }

    return SUCCESS;
}
 

/**
 * Hook to ScriptFunction "apply". A performance metering shell may
 * introduce enter/exit timing here.
 *
 * @param target target function for apply
 * @param self self reference for apply
 *
 * @return result of the function apply
 */
protected Object apply(final ScriptFunction target, final Object self) {
    return ScriptRuntime.apply(target, self);
}
 

/**
 * Hook to ScriptFunction "apply". A performance metering shell may
 * introduce enter/exit timing here.
 *
 * @param target target function for apply
 * @param self self reference for apply
 *
 * @return result of the function apply
 */
protected Object apply(final ScriptFunction target, final Object self) {
    return ScriptRuntime.apply(target, self);
}