How to use the js2py.internals.simplex.MakeError function in Js2Py

continue_label = self.exe.get_new_label()
        break_label = self.exe.get_new_label()

        # prepare the name
        if left['type'] == 'VariableDeclaration':
            if len(left['declarations']) != 1:
                raise MakeError(
                    'SyntaxError',
                    ' Invalid left-hand side in for-in loop: Must have a single binding.'
                )
            self.emit(left)
            name = left['declarations'][0]['id']['name']
        elif left['type'] == 'Identifier':
            name = left['name']
        else:
            raise MakeError('SyntaxError',
                            'Invalid left-hand side in for-loop')

        # prepare the iterable
        self.emit(right)

        # emit ForIn Opcode
        self.emit('FOR_IN', name, body_start_label, continue_label,
                  break_label)

        # a special continue position
        self.emit('LABEL', continue_label)
        self.emit('NOP')

        self.emit('LABEL', body_start_label)
        self.implicit_continues.append(continue_label)
        self.implicit_breaks.append(break_label)

def VariableDeclarator(self, id, init, **kwargs):
        name = id['name']
        if name in SPECIAL_IDENTIFIERS:
            raise MakeError('Invalid left-hand side in assignment')
        self.declared_vars.append(name)
        if init is not None:
            self.emit(init)
            self.emit('STORE', name)
            self.emit('POP')

self.emit(left['property'])
                self.emit(right)
                if operator:
                    self.emit('STORE_MEMBER_OP', operator)
                else:
                    self.emit('STORE_MEMBER')
            else:
                self.emit(right)
                if operator:
                    self.emit('STORE_MEMBER_DOT_OP', left['property']['name'],
                              operator)
                else:
                    self.emit('STORE_MEMBER_DOT', left['property']['name'])
        elif left['type'] == 'Identifier':
            if left['name'] in SPECIAL_IDENTIFIERS:
                raise MakeError('SyntaxError',
                                'Invalid left-hand side in assignment')
            self.emit(right)
            if operator:
                self.emit('STORE_OP', left['name'], operator)
            else:
                self.emit('STORE', left['name'])
        else:
            raise MakeError('SyntaxError',
                            'Invalid left-hand side in assignment')

def ContinueStatement(self, label, **kwargs):
        if label is None:
            self.emit('JUMP', self.implicit_continues[-1])
        else:
            label = label.get('name')
            if label not in self.declared_continue_labels:
                raise MakeError('SyntaxError',
                                'Undefined label \'%s\'' % label)
            else:
                self.emit('JUMP', self.declared_continue_labels[label])

self.emit(argument['object'])
                if argument['property']['type'] == 'Identifier':
                    self.emit('LOAD_STRING',
                              unicode(argument['property']['name']))
                else:
                    self.emit(argument['property'])
                self.emit('DELETE_MEMBER')
            elif argument['type'] == 'Identifier':
                self.emit('DELETE', argument['name'])
            else:
                self.emit('LOAD_BOOLEAN', 1)
        elif operator in UNARY_OPERATIONS:
            self.emit(argument)
            self.emit('UNARY_OP', operator)
        else:
            raise MakeError('SyntaxError',
                            'Unknown unary operator %s' % operator)

incr = int(operator == "++")
        post = int(not prefix)
        if argument['type'] == 'MemberExpression':
            if argument['computed']:
                self.emit(argument['object'])
                self.emit(argument['property'])
                self.emit('POSTFIX_MEMBER', post, incr)
            else:
                self.emit(argument['object'])
                name = to_key(argument['property'])
                self.emit('POSTFIX_MEMBER_DOT', post, incr, name)
        elif argument['type'] == 'Identifier':
            name = to_key(argument)
            self.emit('POSTFIX', post, incr, name)
        else:
            raise MakeError('SyntaxError',
                            'Invalid left-hand side in assignment')

def ForInStatement(self, left, right, body, **kwargs):
        # prepare the needed labels
        body_start_label = self.exe.get_new_label()
        continue_label = self.exe.get_new_label()
        break_label = self.exe.get_new_label()

        # prepare the name
        if left['type'] == 'VariableDeclaration':
            if len(left['declarations']) != 1:
                raise MakeError(
                    'SyntaxError',
                    ' Invalid left-hand side in for-in loop: Must have a single binding.'
                )
            self.emit(left)
            name = left['declarations'][0]['id']['name']
        elif left['type'] == 'Identifier':
            name = left['name']
        else:
            raise MakeError('SyntaxError',
                            'Invalid left-hand side in for-loop')

        # prepare the iterable
        self.emit(right)

        # emit ForIn Opcode
        self.emit('FOR_IN', name, body_start_label, continue_label,

def BreakStatement(self, label, **kwargs):
        if label is None:
            self.emit('JUMP', self.implicit_breaks[-1])
        else:
            label = label.get('name')
            if label not in self.declared_break_labels:
                raise MakeError('SyntaxError',
                                'Undefined label \'%s\'' % label)
            else:
                self.emit('JUMP', self.declared_break_labels[label])