Files
smnp-py/smnp/newast/node/identifier.py
2019-07-06 00:20:36 +02:00

55 lines
1.6 KiB
Python

from smnp.newast.node.access import AccessNode
from smnp.newast.node.args import ArgumentsListNode
from smnp.newast.node.assignment import AssignmentNode
from smnp.newast.node.expression import ExpressionNode
from smnp.newast.node.invocation import FunctionCall
from smnp.newast.parser import Parser
from smnp.token.type import TokenType
class IdentifierNode(AccessNode):
def __init__(self, pos):
super().__init__(pos)
del self.children[1]
@classmethod
def _literalParser(cls):
return Parser.oneOf(
IdentifierNode._functionCallParser(),
IdentifierNode._assignmentParser(),
IdentifierNode.identifierParser()
)
@staticmethod
def _assignmentParser():
def createNode(target, assignment, value):
node = AssignmentNode(assignment.pos)
node.target = target
node.value = value
return node
return Parser.allOf(
IdentifierNode.identifierParser(),
Parser.terminalParser(TokenType.ASSIGN),
ExpressionNode.parse,
createNode=createNode
)
@staticmethod
def _functionCallParser():
def createNode(name, arguments):
node = FunctionCall(name.pos)
node.name = name
node.arguments = arguments
return node
return Parser.allOf(
IdentifierNode.identifierParser(),
ArgumentsListNode.parse,
createNode=createNode
)
@staticmethod
def identifierParser():
return Parser.terminalParser(TokenType.IDENTIFIER, lambda val, pos: IdentifierNode.withValue(val, pos))