def eval(self, context):
ref = self.reference.eval(context)
value = js.get_value(self.expression.eval(context))
if self.op == '=':
js.put_value(ref, value)
return value
else:
new_value = perform_binary_op(self.op[:-1], js.get_value(ref),
value)
js.put_value(ref, new_value)
return new_value
def eval(self, context):
ref = self.reference.eval(context)
value = js.get_value(self.expression.eval(context))
if self.op == '=':
js.put_value(ref, value)
return value
else:
new_value = perform_binary_op(self.op[:-1],
js.get_value(ref),
value)
js.put_value(ref, new_value)
return new_value
def eval(self, context):
expr = self.expression.eval(context)
value = js.get_value(expr)
if self.op == 'delete':
# TODO
return True
elif self.op == 'void':
return js.UNDEFINED
elif self.op == 'typeof':
# TODO
return 'object'
elif self.op == '++':
new_value = value + 1
js.put_value(expr, new_value)
return new_value
elif self.op == '--':
new_value = value - 1
js.put_value(expr, new_value)
return new_value
elif self.op == 'postfix++':
old_value = value
js.put_value(expr, old_value + 1)
return old_value
elif self.op == 'postfix--':
old_value = value
js.put_value(expr, old_value - 1)
return old_value
elif self.op == '+':
return +value
elif self.op == '-':
return -value
elif self.op == '~':
return ~value
elif self.op == '!':
return not value
else:
raise SyntaxError('Unknown unary operand: %s' % self.op)
def eval(self, context):
expr = self.expression.eval(context)
value = js.get_value(expr)
if self.op == 'delete':
# TODO
return True
elif self.op == 'void':
return js.UNDEFINED
elif self.op == 'typeof':
# TODO
return 'object'
elif self.op == '++':
new_value = value + 1
js.put_value(expr, new_value)
return new_value
elif self.op == '--':
new_value = value - 1
js.put_value(expr, new_value)
return new_value
elif self.op == 'postfix++':
old_value = value
js.put_value(expr, old_value + 1)
return old_value
elif self.op == 'postfix--':
old_value = value
js.put_value(expr, old_value - 1)
return old_value
elif self.op == '+':
return +value
elif self.op == '-':
return -value
elif self.op == '~':
return ~value
elif self.op == '!':
return not value
else:
raise SyntaxError('Unknown unary operand: %s' % self.op)
def eval(self, context):
ref = self.identifier.eval(context)
value = js.get_value(self.initialiser.eval(context))
js.put_value(ref, value)
return js.Completion(js.NORMAL, ref.name, js.EMPTY)
def eval(self, context):
ref = self.identifier.eval(context)
value = js.get_value(self.initialiser.eval(context))
js.put_value(ref, value)
return js.Completion(js.NORMAL, ref.name, js.EMPTY)