Files
smnp-py/smnp/ast/node/operator.py

121 lines
2.8 KiB
Python

from smnp.ast.node.model import Node
from smnp.ast.node.none import NoneNode
class BinaryOperator(Node):
def __init__(self, pos):
super().__init__(pos)
self.children = [NoneNode(), NoneNode(), NoneNode()]
@property
def left(self):
return self[0]
@left.setter
def left(self, value):
self[0] = value
@property
def operator(self):
return self[1]
@operator.setter
def operator(self, value):
self[1] = value
@property
def right(self):
return self[2]
@right.setter
def right(self, value):
self[2] = value
@classmethod
def withValues(cls, left, operator, right):
node = cls(operator.pos)
node.left = left
node.operator = operator
node.right = right
return node
#
# class LeftAssociativeOperatorNode(ExpressionNode):
# def __init__(self, pos):
# super().__init__(pos)
# self.children = [NoneNode(), NoneNode(), NoneNode()]
#
# @property
# def left(self):
# return self[0]
#
# @left.setter
# def left(self, value):
# self[0] = value
#
# @property
# def operator(self):
# return self[1]
#
# @operator.setter
# def operator(self, value):
# self[1] = value
#
# @property
# def right(self):
# return self[2]
#
# @right.setter
# def right(self, value):
# self[2] = value
#
# @classmethod
# def _parse(cls, input):
# def createNode(left, operator, right):
# node = LeftAssociativeOperatorNode(right.pos)
# node.left = left
# node.operator = operator
# node.right = right
# return node
#
# return Parser.leftAssociativeOperatorParser(
# cls._lhsParser(),
# TokenType.DOT,
# cls._rhsParser(),
# createNode=createNode
# )(input)
#
# @classmethod
# def _lhsParser(cls):
# raise RuntimeError(f"LHS parser is not implemented in {cls.__name__}")
#
# @staticmethod
# def _rhsParser():
# from smnp.ast.node.identifier import IdentifierNode
#
# return Parser.oneOf(
# # TODO!!!
# IdentifierNode._lhsParser(),
# IdentifierNode._functionCallParser(),
# exception=lambda input: SyntaxException(f"Expected property name or method call, found '{input.current().rawValue}'", input.currentPos())
# )
#
#
class Operator(Node):
def __init__(self, pos):
super().__init__(pos)
self.children = [None]
@property
def value(self):
return self[0]
@value.setter
def value(self, value):
self[0] = value
@classmethod
def withValue(cls, value, pos):
node = cls(pos)
node.value = value
return node