mirror of
https://github.com/mudabbir-ahmad/MYOL-TB2-prog3-Py.git
synced 2026-10-08 03:50:20 +00:00
149 lines
4.0 KiB
Python
149 lines
4.0 KiB
Python
# Generated from ./week3.g4 by ANTLR 4.13.2
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# encoding: utf-8
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from antlr4 import *
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from io import StringIO
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import sys
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if sys.version_info[1] > 5:
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from typing import TextIO
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else:
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from typing.io import TextIO
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def serializedATN():
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return [
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4,1,5,11,2,0,7,0,2,1,7,1,1,0,1,0,1,0,1,1,1,1,1,1,1,1,0,0,2,0,2,0,
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1,1,0,2,3,8,0,4,1,0,0,0,2,7,1,0,0,0,4,5,5,1,0,0,5,6,5,4,0,0,6,1,
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1,0,0,0,7,8,7,0,0,0,8,9,5,4,0,0,9,3,1,0,0,0,0
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]
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class week3Parser ( Parser ):
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grammarFileName = "week3.g4"
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atn = ATNDeserializer().deserialize(serializedATN())
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decisionsToDFA = [ DFA(ds, i) for i, ds in enumerate(atn.decisionToState) ]
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sharedContextCache = PredictionContextCache()
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literalNames = [ "<INVALID>", "'minimal'", "'bye'", "'goodbye'" ]
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symbolicNames = [ "<INVALID>", "<INVALID>", "<INVALID>", "<INVALID>",
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"ID", "WS" ]
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RULE_start = 0
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RULE_bye = 1
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ruleNames = [ "start", "bye" ]
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EOF = Token.EOF
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T__0=1
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T__1=2
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T__2=3
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ID=4
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WS=5
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def __init__(self, input:TokenStream, output:TextIO = sys.stdout):
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super().__init__(input, output)
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self.checkVersion("4.13.2")
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self._interp = ParserATNSimulator(self, self.atn, self.decisionsToDFA, self.sharedContextCache)
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self._predicates = None
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class StartContext(ParserRuleContext):
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__slots__ = 'parser'
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def __init__(self, parser, parent:ParserRuleContext=None, invokingState:int=-1):
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super().__init__(parent, invokingState)
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self.parser = parser
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def ID(self):
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return self.getToken(week3Parser.ID, 0)
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def getRuleIndex(self):
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return week3Parser.RULE_start
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def enterRule(self, listener:ParseTreeListener):
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if hasattr( listener, "enterStart" ):
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listener.enterStart(self)
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def exitRule(self, listener:ParseTreeListener):
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if hasattr( listener, "exitStart" ):
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listener.exitStart(self)
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def start(self):
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localctx = week3Parser.StartContext(self, self._ctx, self.state)
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self.enterRule(localctx, 0, self.RULE_start)
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try:
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self.enterOuterAlt(localctx, 1)
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self.state = 4
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self.match(week3Parser.T__0)
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self.state = 5
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self.match(week3Parser.ID)
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except RecognitionException as re:
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localctx.exception = re
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self._errHandler.reportError(self, re)
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self._errHandler.recover(self, re)
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finally:
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self.exitRule()
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return localctx
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class ByeContext(ParserRuleContext):
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__slots__ = 'parser'
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def __init__(self, parser, parent:ParserRuleContext=None, invokingState:int=-1):
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super().__init__(parent, invokingState)
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self.parser = parser
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def ID(self):
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return self.getToken(week3Parser.ID, 0)
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def getRuleIndex(self):
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return week3Parser.RULE_bye
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def enterRule(self, listener:ParseTreeListener):
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if hasattr( listener, "enterBye" ):
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listener.enterBye(self)
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def exitRule(self, listener:ParseTreeListener):
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if hasattr( listener, "exitBye" ):
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listener.exitBye(self)
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def bye(self):
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localctx = week3Parser.ByeContext(self, self._ctx, self.state)
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self.enterRule(localctx, 2, self.RULE_bye)
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self._la = 0 # Token type
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try:
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self.enterOuterAlt(localctx, 1)
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self.state = 7
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_la = self._input.LA(1)
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if not(_la==2 or _la==3):
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self._errHandler.recoverInline(self)
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else:
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self._errHandler.reportMatch(self)
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self.consume()
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self.state = 8
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self.match(week3Parser.ID)
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except RecognitionException as re:
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localctx.exception = re
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self._errHandler.reportError(self, re)
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self._errHandler.recover(self, re)
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finally:
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self.exitRule()
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return localctx
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