77 lines
2.0 KiB
Python
77 lines
2.0 KiB
Python
from smnp.ast.node.identifier import IdentifierNode
|
|
from smnp.ast.node.model import Node
|
|
from smnp.ast.node.none import NoneNode
|
|
from smnp.ast.node.string import StringLiteralNode
|
|
from smnp.ast.node.type import TypeNode
|
|
from smnp.ast.parser import Parser
|
|
from smnp.token.type import TokenType
|
|
|
|
|
|
class ImportNode(Node):
|
|
def __init__(self, pos):
|
|
super().__init__(pos)
|
|
self.children = [NoneNode(), NoneNode(), NoneNode()]
|
|
|
|
@property
|
|
def source(self):
|
|
return self[0]
|
|
|
|
@source.setter
|
|
def source(self, value):
|
|
self[0] = value
|
|
|
|
@property
|
|
def type(self):
|
|
return self[1]
|
|
|
|
@type.setter
|
|
def type(self, value):
|
|
self[1] = value
|
|
|
|
@property
|
|
def variable(self):
|
|
return self[2]
|
|
|
|
@variable.setter
|
|
def variable(self, value):
|
|
self[2] = value
|
|
|
|
@classmethod
|
|
def _parse(cls, input):
|
|
return Parser.oneOf(
|
|
cls._literalImportParser(),
|
|
cls._fileImportParser()
|
|
)(input)
|
|
|
|
@classmethod
|
|
def _literalImportParser(cls):
|
|
def createNode(importKeyword, type, fromKeyword, source, asKeyword, variable):
|
|
node = ImportNode(importKeyword.pos)
|
|
node.source = source
|
|
node.type = type
|
|
node.variable = variable
|
|
return node
|
|
|
|
return Parser.allOf(
|
|
Parser.terminalParser(TokenType.IMPORT),
|
|
TypeNode.parse,
|
|
Parser.terminalParser(TokenType.FROM),
|
|
StringLiteralNode._literalParser(),
|
|
Parser.terminalParser(TokenType.AS),
|
|
IdentifierNode.identifierParser(),
|
|
createNode=createNode
|
|
)
|
|
|
|
@classmethod
|
|
def _fileImportParser(cls):
|
|
def createNode(importKeyword, source):
|
|
node = ImportNode(importKeyword.pos)
|
|
node.source = source
|
|
return node
|
|
|
|
return Parser.allOf(
|
|
Parser.terminalParser(TokenType.IMPORT),
|
|
StringLiteralNode._literalParser(),
|
|
createNode=createNode
|
|
)
|