# Generated from gn.g4 by ANTLR 4.7.1
# encoding: utf-8
from __future__ import print_function
from antlr4 import *
from io import StringIO
import sys

def serializedATN():
    with StringIO() as buf:
        buf.write(u"\3\u608b\ua72a\u8133\ub9ed\u417c\u3be7\u7786\u5964\3")
        buf.write(u"\24\u008e\4\2\t\2\4\3\t\3\4\4\t\4\4\5\t\5\4\6\t\6\4\7")
        buf.write(u"\t\7\4\b\t\b\4\t\t\t\4\n\t\n\4\13\t\13\4\f\t\f\4\r\t")
        buf.write(u"\r\4\16\t\16\4\17\t\17\4\20\t\20\4\21\t\21\3\2\3\2\3")
        buf.write(u"\2\3\3\3\3\3\3\5\3)\n\3\3\4\3\4\3\4\5\4.\n\4\3\5\3\5")
        buf.write(u"\3\5\3\5\3\6\3\6\3\6\5\6\67\n\6\3\6\3\6\5\6;\n\6\3\7")
        buf.write(u"\3\7\3\7\3\7\3\7\3\7\3\7\3\7\5\7E\n\7\5\7G\n\7\3\b\3")
        buf.write(u"\b\3\b\3\b\3\t\3\t\7\tO\n\t\f\t\16\tR\13\t\3\n\3\n\3")
        buf.write(u"\n\3\n\3\n\3\13\3\13\3\13\3\13\3\f\3\f\3\f\3\f\3\f\3")
        buf.write(u"\f\7\fc\n\f\f\f\16\ff\13\f\3\r\3\r\3\r\5\rk\n\r\3\16")
        buf.write(u"\3\16\3\16\3\16\3\16\3\16\3\16\3\16\3\16\3\16\3\16\3")
        buf.write(u"\16\3\16\3\16\5\16{\n\16\5\16}\n\16\3\16\5\16\u0080\n")
        buf.write(u"\16\3\17\3\17\3\17\7\17\u0085\n\17\f\17\16\17\u0088\13")
        buf.write(u"\17\3\20\3\20\3\21\3\21\3\21\2\3\26\22\2\4\6\b\n\f\16")
        buf.write(u"\20\22\24\26\30\32\34\36 \2\2\2\u0094\2\"\3\2\2\2\4(")
        buf.write(u"\3\2\2\2\6-\3\2\2\2\b/\3\2\2\2\n\63\3\2\2\2\f<\3\2\2")
        buf.write(u"\2\16H\3\2\2\2\20P\3\2\2\2\22S\3\2\2\2\24X\3\2\2\2\26")
        buf.write(u"\\\3\2\2\2\30j\3\2\2\2\32\177\3\2\2\2\34\u0081\3\2\2")
        buf.write(u"\2\36\u0089\3\2\2\2 \u008b\3\2\2\2\"#\5\20\t\2#$\7\2")
        buf.write(u"\2\3$\3\3\2\2\2%)\5\b\5\2&)\5\n\6\2\')\5\f\7\2(%\3\2")
        buf.write(u"\2\2(&\3\2\2\2(\'\3\2\2\2)\5\3\2\2\2*.\7\20\2\2+.\5\22")
        buf.write(u"\n\2,.\5\24\13\2-*\3\2\2\2-+\3\2\2\2-,\3\2\2\2.\7\3\2")
        buf.write(u"\2\2/\60\5\6\4\2\60\61\7\r\2\2\61\62\5\26\f\2\62\t\3")
        buf.write(u"\2\2\2\63\64\7\20\2\2\64\66\7\3\2\2\65\67\5\34\17\2\66")
        buf.write(u"\65\3\2\2\2\66\67\3\2\2\2\678\3\2\2\28:\7\4\2\29;\5\16")
        buf.write(u"\b\2:9\3\2\2\2:;\3\2\2\2;\13\3\2\2\2<=\7\5\2\2=>\7\3")
        buf.write(u"\2\2>?\5\26\f\2?@\7\4\2\2@F\5\16\b\2AD\5\36\20\2BE\5")
        buf.write(u"\f\7\2CE\5\16\b\2DB\3\2\2\2DC\3\2\2\2EG\3\2\2\2FA\3\2")
        buf.write(u"\2\2FG\3\2\2\2G\r\3\2\2\2HI\7\6\2\2IJ\5\20\t\2JK\7\7")
        buf.write(u"\2\2K\17\3\2\2\2LO\5\4\3\2MO\5 \21\2NL\3\2\2\2NM\3\2")
        buf.write(u"\2\2OR\3\2\2\2PN\3\2\2\2PQ\3\2\2\2Q\21\3\2\2\2RP\3\2")
        buf.write(u"\2\2ST\7\20\2\2TU\7\b\2\2UV\5\26\f\2VW\7\t\2\2W\23\3")
        buf.write(u"\2\2\2XY\7\20\2\2YZ\7\n\2\2Z[\7\20\2\2[\25\3\2\2\2\\")
        buf.write(u"]\b\f\1\2]^\5\30\r\2^d\3\2\2\2_`\f\3\2\2`a\7\17\2\2a")
        buf.write(u"c\5\26\f\4b_\3\2\2\2cf\3\2\2\2db\3\2\2\2de\3\2\2\2e\27")
        buf.write(u"\3\2\2\2fd\3\2\2\2gk\5\32\16\2hi\7\16\2\2ik\5\30\r\2")
        buf.write(u"jg\3\2\2\2jh\3\2\2\2k\31\3\2\2\2l\u0080\7\20\2\2m\u0080")
        buf.write(u"\7\21\2\2n\u0080\7\22\2\2o\u0080\5\n\6\2p\u0080\5\22")
        buf.write(u"\n\2q\u0080\5\24\13\2r\u0080\5\16\b\2st\7\3\2\2tu\5\26")
        buf.write(u"\f\2uv\7\4\2\2v\u0080\3\2\2\2w|\7\b\2\2xz\5\34\17\2y")
        buf.write(u"{\7\13\2\2zy\3\2\2\2z{\3\2\2\2{}\3\2\2\2|x\3\2\2\2|}")
        buf.write(u"\3\2\2\2}~\3\2\2\2~\u0080\7\t\2\2\177l\3\2\2\2\177m\3")
        buf.write(u"\2\2\2\177n\3\2\2\2\177o\3\2\2\2\177p\3\2\2\2\177q\3")
        buf.write(u"\2\2\2\177r\3\2\2\2\177s\3\2\2\2\177w\3\2\2\2\u0080\33")
        buf.write(u"\3\2\2\2\u0081\u0086\5\26\f\2\u0082\u0083\7\13\2\2\u0083")
        buf.write(u"\u0085\5\26\f\2\u0084\u0082\3\2\2\2\u0085\u0088\3\2\2")
        buf.write(u"\2\u0086\u0084\3\2\2\2\u0086\u0087\3\2\2\2\u0087\35\3")
        buf.write(u"\2\2\2\u0088\u0086\3\2\2\2\u0089\u008a\7\f\2\2\u008a")
        buf.write(u"\37\3\2\2\2\u008b\u008c\7\23\2\2\u008c!\3\2\2\2\20(-")
        buf.write(u"\66:DFNPdjz|\177\u0086")
        return buf.getvalue()


class gnParser ( Parser ):

    grammarFileName = "gn.g4"

    atn = ATNDeserializer().deserialize(serializedATN())

    decisionsToDFA = [ DFA(ds, i) for i, ds in enumerate(atn.decisionToState) ]

    sharedContextCache = PredictionContextCache()

    literalNames = [ u"<INVALID>", u"'('", u"')'", u"'if'", u"'{'", u"'}'", 
                     u"'['", u"']'", u"'.'", u"','", u"'else'", u"<INVALID>", 
                     u"'!'" ]

    symbolicNames = [ u"<INVALID>", u"<INVALID>", u"<INVALID>", u"<INVALID>", 
                      u"<INVALID>", u"<INVALID>", u"<INVALID>", u"<INVALID>", 
                      u"<INVALID>", u"<INVALID>", u"<INVALID>", u"AssignOp", 
                      u"UnaryOp", u"BinaryOp", u"Identifier", u"Integer", 
                      u"String", u"COMMENT", u"WS" ]

    RULE_r = 0
    RULE_statement = 1
    RULE_lvalue = 2
    RULE_assignment = 3
    RULE_call = 4
    RULE_condition = 5
    RULE_block = 6
    RULE_statementlist = 7
    RULE_arrayaccess = 8
    RULE_scopeaccess = 9
    RULE_expr = 10
    RULE_unaryexpr = 11
    RULE_primaryexpr = 12
    RULE_exprlist = 13
    RULE_elsec = 14
    RULE_comment = 15

    ruleNames =  [ u"r", u"statement", u"lvalue", u"assignment", u"call", 
                   u"condition", u"block", u"statementlist", u"arrayaccess", 
                   u"scopeaccess", u"expr", u"unaryexpr", u"primaryexpr", 
                   u"exprlist", u"elsec", u"comment" ]

    EOF = Token.EOF
    T__0=1
    T__1=2
    T__2=3
    T__3=4
    T__4=5
    T__5=6
    T__6=7
    T__7=8
    T__8=9
    T__9=10
    AssignOp=11
    UnaryOp=12
    BinaryOp=13
    Identifier=14
    Integer=15
    String=16
    COMMENT=17
    WS=18

    def __init__(self, input, output=sys.stdout):
        super(gnParser, self).__init__(input, output=output)
        self.checkVersion("4.7.1")
        self._interp = ParserATNSimulator(self, self.atn, self.decisionsToDFA, self.sharedContextCache)
        self._predicates = None



    class RContext(ParserRuleContext):

        def __init__(self, parser, parent=None, invokingState=-1):
            super(gnParser.RContext, self).__init__(parent, invokingState)
            self.parser = parser

        def statementlist(self):
            return self.getTypedRuleContext(gnParser.StatementlistContext,0)


        def EOF(self):
            return self.getToken(gnParser.EOF, 0)

        def getRuleIndex(self):
            return gnParser.RULE_r

        def enterRule(self, listener):
            if hasattr(listener, "enterR"):
                listener.enterR(self)

        def exitRule(self, listener):
            if hasattr(listener, "exitR"):
                listener.exitR(self)




    def r(self):

        localctx = gnParser.RContext(self, self._ctx, self.state)
        self.enterRule(localctx, 0, self.RULE_r)
        try:
            self.enterOuterAlt(localctx, 1)
            self.state = 32
            self.statementlist()
            self.state = 33
            self.match(gnParser.EOF)
        except RecognitionException as re:
            localctx.exception = re
            self._errHandler.reportError(self, re)
            self._errHandler.recover(self, re)
        finally:
            self.exitRule()
        return localctx

    class StatementContext(ParserRuleContext):

        def __init__(self, parser, parent=None, invokingState=-1):
            super(gnParser.StatementContext, self).__init__(parent, invokingState)
            self.parser = parser

        def assignment(self):
            return self.getTypedRuleContext(gnParser.AssignmentContext,0)


        def call(self):
            return self.getTypedRuleContext(gnParser.CallContext,0)


        def condition(self):
            return self.getTypedRuleContext(gnParser.ConditionContext,0)


        def getRuleIndex(self):
            return gnParser.RULE_statement

        def enterRule(self, listener):
            if hasattr(listener, "enterStatement"):
                listener.enterStatement(self)

        def exitRule(self, listener):
            if hasattr(listener, "exitStatement"):
                listener.exitStatement(self)




    def statement(self):

        localctx = gnParser.StatementContext(self, self._ctx, self.state)
        self.enterRule(localctx, 2, self.RULE_statement)
        try:
            self.state = 38
            self._errHandler.sync(self)
            la_ = self._interp.adaptivePredict(self._input,0,self._ctx)
            if la_ == 1:
                self.enterOuterAlt(localctx, 1)
                self.state = 35
                self.assignment()
                pass

            elif la_ == 2:
                self.enterOuterAlt(localctx, 2)
                self.state = 36
                self.call()
                pass

            elif la_ == 3:
                self.enterOuterAlt(localctx, 3)
                self.state = 37
                self.condition()
                pass


        except RecognitionException as re:
            localctx.exception = re
            self._errHandler.reportError(self, re)
            self._errHandler.recover(self, re)
        finally:
            self.exitRule()
        return localctx

    class LvalueContext(ParserRuleContext):

        def __init__(self, parser, parent=None, invokingState=-1):
            super(gnParser.LvalueContext, self).__init__(parent, invokingState)
            self.parser = parser

        def Identifier(self):
            return self.getToken(gnParser.Identifier, 0)

        def arrayaccess(self):
            return self.getTypedRuleContext(gnParser.ArrayaccessContext,0)


        def scopeaccess(self):
            return self.getTypedRuleContext(gnParser.ScopeaccessContext,0)


        def getRuleIndex(self):
            return gnParser.RULE_lvalue

        def enterRule(self, listener):
            if hasattr(listener, "enterLvalue"):
                listener.enterLvalue(self)

        def exitRule(self, listener):
            if hasattr(listener, "exitLvalue"):
                listener.exitLvalue(self)




    def lvalue(self):

        localctx = gnParser.LvalueContext(self, self._ctx, self.state)
        self.enterRule(localctx, 4, self.RULE_lvalue)
        try:
            self.state = 43
            self._errHandler.sync(self)
            la_ = self._interp.adaptivePredict(self._input,1,self._ctx)
            if la_ == 1:
                self.enterOuterAlt(localctx, 1)
                self.state = 40
                self.match(gnParser.Identifier)
                pass

            elif la_ == 2:
                self.enterOuterAlt(localctx, 2)
                self.state = 41
                self.arrayaccess()
                pass

            elif la_ == 3:
                self.enterOuterAlt(localctx, 3)
                self.state = 42
                self.scopeaccess()
                pass


        except RecognitionException as re:
            localctx.exception = re
            self._errHandler.reportError(self, re)
            self._errHandler.recover(self, re)
        finally:
            self.exitRule()
        return localctx

    class AssignmentContext(ParserRuleContext):

        def __init__(self, parser, parent=None, invokingState=-1):
            super(gnParser.AssignmentContext, self).__init__(parent, invokingState)
            self.parser = parser

        def lvalue(self):
            return self.getTypedRuleContext(gnParser.LvalueContext,0)


        def AssignOp(self):
            return self.getToken(gnParser.AssignOp, 0)

        def expr(self):
            return self.getTypedRuleContext(gnParser.ExprContext,0)


        def getRuleIndex(self):
            return gnParser.RULE_assignment

        def enterRule(self, listener):
            if hasattr(listener, "enterAssignment"):
                listener.enterAssignment(self)

        def exitRule(self, listener):
            if hasattr(listener, "exitAssignment"):
                listener.exitAssignment(self)




    def assignment(self):

        localctx = gnParser.AssignmentContext(self, self._ctx, self.state)
        self.enterRule(localctx, 6, self.RULE_assignment)
        try:
            self.enterOuterAlt(localctx, 1)
            self.state = 45
            self.lvalue()
            self.state = 46
            self.match(gnParser.AssignOp)
            self.state = 47
            self.expr(0)
        except RecognitionException as re:
            localctx.exception = re
            self._errHandler.reportError(self, re)
            self._errHandler.recover(self, re)
        finally:
            self.exitRule()
        return localctx

    class CallContext(ParserRuleContext):

        def __init__(self, parser, parent=None, invokingState=-1):
            super(gnParser.CallContext, self).__init__(parent, invokingState)
            self.parser = parser

        def Identifier(self):
            return self.getToken(gnParser.Identifier, 0)

        def exprlist(self):
            return self.getTypedRuleContext(gnParser.ExprlistContext,0)


        def block(self):
            return self.getTypedRuleContext(gnParser.BlockContext,0)


        def getRuleIndex(self):
            return gnParser.RULE_call

        def enterRule(self, listener):
            if hasattr(listener, "enterCall"):
                listener.enterCall(self)

        def exitRule(self, listener):
            if hasattr(listener, "exitCall"):
                listener.exitCall(self)




    def call(self):

        localctx = gnParser.CallContext(self, self._ctx, self.state)
        self.enterRule(localctx, 8, self.RULE_call)
        self._la = 0 # Token type
        try:
            self.enterOuterAlt(localctx, 1)
            self.state = 49
            self.match(gnParser.Identifier)
            self.state = 50
            self.match(gnParser.T__0)
            self.state = 52
            self._errHandler.sync(self)
            _la = self._input.LA(1)
            if (((_la) & ~0x3f) == 0 and ((1 << _la) & ((1 << gnParser.T__0) | (1 << gnParser.T__3) | (1 << gnParser.T__5) | (1 << gnParser.UnaryOp) | (1 << gnParser.Identifier) | (1 << gnParser.Integer) | (1 << gnParser.String))) != 0):
                self.state = 51
                self.exprlist()


            self.state = 54
            self.match(gnParser.T__1)
            self.state = 56
            self._errHandler.sync(self)
            la_ = self._interp.adaptivePredict(self._input,3,self._ctx)
            if la_ == 1:
                self.state = 55
                self.block()


        except RecognitionException as re:
            localctx.exception = re
            self._errHandler.reportError(self, re)
            self._errHandler.recover(self, re)
        finally:
            self.exitRule()
        return localctx

    class ConditionContext(ParserRuleContext):

        def __init__(self, parser, parent=None, invokingState=-1):
            super(gnParser.ConditionContext, self).__init__(parent, invokingState)
            self.parser = parser

        def expr(self):
            return self.getTypedRuleContext(gnParser.ExprContext,0)


        def block(self, i=None):
            if i is None:
                return self.getTypedRuleContexts(gnParser.BlockContext)
            else:
                return self.getTypedRuleContext(gnParser.BlockContext,i)


        def elsec(self):
            return self.getTypedRuleContext(gnParser.ElsecContext,0)


        def condition(self):
            return self.getTypedRuleContext(gnParser.ConditionContext,0)


        def getRuleIndex(self):
            return gnParser.RULE_condition

        def enterRule(self, listener):
            if hasattr(listener, "enterCondition"):
                listener.enterCondition(self)

        def exitRule(self, listener):
            if hasattr(listener, "exitCondition"):
                listener.exitCondition(self)




    def condition(self):

        localctx = gnParser.ConditionContext(self, self._ctx, self.state)
        self.enterRule(localctx, 10, self.RULE_condition)
        self._la = 0 # Token type
        try:
            self.enterOuterAlt(localctx, 1)
            self.state = 58
            self.match(gnParser.T__2)
            self.state = 59
            self.match(gnParser.T__0)
            self.state = 60
            self.expr(0)
            self.state = 61
            self.match(gnParser.T__1)
            self.state = 62
            self.block()
            self.state = 68
            self._errHandler.sync(self)
            _la = self._input.LA(1)
            if _la==gnParser.T__9:
                self.state = 63
                self.elsec()
                self.state = 66
                self._errHandler.sync(self)
                token = self._input.LA(1)
                if token in [gnParser.T__2]:
                    self.state = 64
                    self.condition()
                    pass
                elif token in [gnParser.T__3]:
                    self.state = 65
                    self.block()
                    pass
                else:
                    raise NoViableAltException(self)



        except RecognitionException as re:
            localctx.exception = re
            self._errHandler.reportError(self, re)
            self._errHandler.recover(self, re)
        finally:
            self.exitRule()
        return localctx

    class BlockContext(ParserRuleContext):

        def __init__(self, parser, parent=None, invokingState=-1):
            super(gnParser.BlockContext, self).__init__(parent, invokingState)
            self.parser = parser

        def statementlist(self):
            return self.getTypedRuleContext(gnParser.StatementlistContext,0)


        def getRuleIndex(self):
            return gnParser.RULE_block

        def enterRule(self, listener):
            if hasattr(listener, "enterBlock"):
                listener.enterBlock(self)

        def exitRule(self, listener):
            if hasattr(listener, "exitBlock"):
                listener.exitBlock(self)




    def block(self):

        localctx = gnParser.BlockContext(self, self._ctx, self.state)
        self.enterRule(localctx, 12, self.RULE_block)
        try:
            self.enterOuterAlt(localctx, 1)
            self.state = 70
            self.match(gnParser.T__3)
            self.state = 71
            self.statementlist()
            self.state = 72
            self.match(gnParser.T__4)
        except RecognitionException as re:
            localctx.exception = re
            self._errHandler.reportError(self, re)
            self._errHandler.recover(self, re)
        finally:
            self.exitRule()
        return localctx

    class StatementlistContext(ParserRuleContext):

        def __init__(self, parser, parent=None, invokingState=-1):
            super(gnParser.StatementlistContext, self).__init__(parent, invokingState)
            self.parser = parser

        def statement(self, i=None):
            if i is None:
                return self.getTypedRuleContexts(gnParser.StatementContext)
            else:
                return self.getTypedRuleContext(gnParser.StatementContext,i)


        def comment(self, i=None):
            if i is None:
                return self.getTypedRuleContexts(gnParser.CommentContext)
            else:
                return self.getTypedRuleContext(gnParser.CommentContext,i)


        def getRuleIndex(self):
            return gnParser.RULE_statementlist

        def enterRule(self, listener):
            if hasattr(listener, "enterStatementlist"):
                listener.enterStatementlist(self)

        def exitRule(self, listener):
            if hasattr(listener, "exitStatementlist"):
                listener.exitStatementlist(self)




    def statementlist(self):

        localctx = gnParser.StatementlistContext(self, self._ctx, self.state)
        self.enterRule(localctx, 14, self.RULE_statementlist)
        self._la = 0 # Token type
        try:
            self.enterOuterAlt(localctx, 1)
            self.state = 78
            self._errHandler.sync(self)
            _la = self._input.LA(1)
            while (((_la) & ~0x3f) == 0 and ((1 << _la) & ((1 << gnParser.T__2) | (1 << gnParser.Identifier) | (1 << gnParser.COMMENT))) != 0):
                self.state = 76
                self._errHandler.sync(self)
                token = self._input.LA(1)
                if token in [gnParser.T__2, gnParser.Identifier]:
                    self.state = 74
                    self.statement()
                    pass
                elif token in [gnParser.COMMENT]:
                    self.state = 75
                    self.comment()
                    pass
                else:
                    raise NoViableAltException(self)

                self.state = 80
                self._errHandler.sync(self)
                _la = self._input.LA(1)

        except RecognitionException as re:
            localctx.exception = re
            self._errHandler.reportError(self, re)
            self._errHandler.recover(self, re)
        finally:
            self.exitRule()
        return localctx

    class ArrayaccessContext(ParserRuleContext):

        def __init__(self, parser, parent=None, invokingState=-1):
            super(gnParser.ArrayaccessContext, self).__init__(parent, invokingState)
            self.parser = parser

        def Identifier(self):
            return self.getToken(gnParser.Identifier, 0)

        def expr(self):
            return self.getTypedRuleContext(gnParser.ExprContext,0)


        def getRuleIndex(self):
            return gnParser.RULE_arrayaccess

        def enterRule(self, listener):
            if hasattr(listener, "enterArrayaccess"):
                listener.enterArrayaccess(self)

        def exitRule(self, listener):
            if hasattr(listener, "exitArrayaccess"):
                listener.exitArrayaccess(self)




    def arrayaccess(self):

        localctx = gnParser.ArrayaccessContext(self, self._ctx, self.state)
        self.enterRule(localctx, 16, self.RULE_arrayaccess)
        try:
            self.enterOuterAlt(localctx, 1)
            self.state = 81
            self.match(gnParser.Identifier)
            self.state = 82
            self.match(gnParser.T__5)
            self.state = 83
            self.expr(0)
            self.state = 84
            self.match(gnParser.T__6)
        except RecognitionException as re:
            localctx.exception = re
            self._errHandler.reportError(self, re)
            self._errHandler.recover(self, re)
        finally:
            self.exitRule()
        return localctx

    class ScopeaccessContext(ParserRuleContext):

        def __init__(self, parser, parent=None, invokingState=-1):
            super(gnParser.ScopeaccessContext, self).__init__(parent, invokingState)
            self.parser = parser

        def Identifier(self, i=None):
            if i is None:
                return self.getTokens(gnParser.Identifier)
            else:
                return self.getToken(gnParser.Identifier, i)

        def getRuleIndex(self):
            return gnParser.RULE_scopeaccess

        def enterRule(self, listener):
            if hasattr(listener, "enterScopeaccess"):
                listener.enterScopeaccess(self)

        def exitRule(self, listener):
            if hasattr(listener, "exitScopeaccess"):
                listener.exitScopeaccess(self)




    def scopeaccess(self):

        localctx = gnParser.ScopeaccessContext(self, self._ctx, self.state)
        self.enterRule(localctx, 18, self.RULE_scopeaccess)
        try:
            self.enterOuterAlt(localctx, 1)
            self.state = 86
            self.match(gnParser.Identifier)
            self.state = 87
            self.match(gnParser.T__7)
            self.state = 88
            self.match(gnParser.Identifier)
        except RecognitionException as re:
            localctx.exception = re
            self._errHandler.reportError(self, re)
            self._errHandler.recover(self, re)
        finally:
            self.exitRule()
        return localctx

    class ExprContext(ParserRuleContext):

        def __init__(self, parser, parent=None, invokingState=-1):
            super(gnParser.ExprContext, self).__init__(parent, invokingState)
            self.parser = parser

        def unaryexpr(self):
            return self.getTypedRuleContext(gnParser.UnaryexprContext,0)


        def expr(self, i=None):
            if i is None:
                return self.getTypedRuleContexts(gnParser.ExprContext)
            else:
                return self.getTypedRuleContext(gnParser.ExprContext,i)


        def BinaryOp(self):
            return self.getToken(gnParser.BinaryOp, 0)

        def getRuleIndex(self):
            return gnParser.RULE_expr

        def enterRule(self, listener):
            if hasattr(listener, "enterExpr"):
                listener.enterExpr(self)

        def exitRule(self, listener):
            if hasattr(listener, "exitExpr"):
                listener.exitExpr(self)



    def expr(self, _p=0):
        _parentctx = self._ctx
        _parentState = self.state
        localctx = gnParser.ExprContext(self, self._ctx, _parentState)
        _prevctx = localctx
        _startState = 20
        self.enterRecursionRule(localctx, 20, self.RULE_expr, _p)
        try:
            self.enterOuterAlt(localctx, 1)
            self.state = 91
            self.unaryexpr()
            self._ctx.stop = self._input.LT(-1)
            self.state = 98
            self._errHandler.sync(self)
            _alt = self._interp.adaptivePredict(self._input,8,self._ctx)
            while _alt!=2 and _alt!=ATN.INVALID_ALT_NUMBER:
                if _alt==1:
                    if self._parseListeners is not None:
                        self.triggerExitRuleEvent()
                    _prevctx = localctx
                    localctx = gnParser.ExprContext(self, _parentctx, _parentState)
                    self.pushNewRecursionContext(localctx, _startState, self.RULE_expr)
                    self.state = 93
                    if not self.precpred(self._ctx, 1):
                        from antlr4.error.Errors import FailedPredicateException
                        raise FailedPredicateException(self, "self.precpred(self._ctx, 1)")
                    self.state = 94
                    self.match(gnParser.BinaryOp)
                    self.state = 95
                    self.expr(2) 
                self.state = 100
                self._errHandler.sync(self)
                _alt = self._interp.adaptivePredict(self._input,8,self._ctx)

        except RecognitionException as re:
            localctx.exception = re
            self._errHandler.reportError(self, re)
            self._errHandler.recover(self, re)
        finally:
            self.unrollRecursionContexts(_parentctx)
        return localctx

    class UnaryexprContext(ParserRuleContext):

        def __init__(self, parser, parent=None, invokingState=-1):
            super(gnParser.UnaryexprContext, self).__init__(parent, invokingState)
            self.parser = parser

        def primaryexpr(self):
            return self.getTypedRuleContext(gnParser.PrimaryexprContext,0)


        def UnaryOp(self):
            return self.getToken(gnParser.UnaryOp, 0)

        def unaryexpr(self):
            return self.getTypedRuleContext(gnParser.UnaryexprContext,0)


        def getRuleIndex(self):
            return gnParser.RULE_unaryexpr

        def enterRule(self, listener):
            if hasattr(listener, "enterUnaryexpr"):
                listener.enterUnaryexpr(self)

        def exitRule(self, listener):
            if hasattr(listener, "exitUnaryexpr"):
                listener.exitUnaryexpr(self)




    def unaryexpr(self):

        localctx = gnParser.UnaryexprContext(self, self._ctx, self.state)
        self.enterRule(localctx, 22, self.RULE_unaryexpr)
        try:
            self.state = 104
            self._errHandler.sync(self)
            token = self._input.LA(1)
            if token in [gnParser.T__0, gnParser.T__3, gnParser.T__5, gnParser.Identifier, gnParser.Integer, gnParser.String]:
                self.enterOuterAlt(localctx, 1)
                self.state = 101
                self.primaryexpr()
                pass
            elif token in [gnParser.UnaryOp]:
                self.enterOuterAlt(localctx, 2)
                self.state = 102
                self.match(gnParser.UnaryOp)
                self.state = 103
                self.unaryexpr()
                pass
            else:
                raise NoViableAltException(self)

        except RecognitionException as re:
            localctx.exception = re
            self._errHandler.reportError(self, re)
            self._errHandler.recover(self, re)
        finally:
            self.exitRule()
        return localctx

    class PrimaryexprContext(ParserRuleContext):

        def __init__(self, parser, parent=None, invokingState=-1):
            super(gnParser.PrimaryexprContext, self).__init__(parent, invokingState)
            self.parser = parser

        def Identifier(self):
            return self.getToken(gnParser.Identifier, 0)

        def Integer(self):
            return self.getToken(gnParser.Integer, 0)

        def String(self):
            return self.getToken(gnParser.String, 0)

        def call(self):
            return self.getTypedRuleContext(gnParser.CallContext,0)


        def arrayaccess(self):
            return self.getTypedRuleContext(gnParser.ArrayaccessContext,0)


        def scopeaccess(self):
            return self.getTypedRuleContext(gnParser.ScopeaccessContext,0)


        def block(self):
            return self.getTypedRuleContext(gnParser.BlockContext,0)


        def expr(self):
            return self.getTypedRuleContext(gnParser.ExprContext,0)


        def exprlist(self):
            return self.getTypedRuleContext(gnParser.ExprlistContext,0)


        def getRuleIndex(self):
            return gnParser.RULE_primaryexpr

        def enterRule(self, listener):
            if hasattr(listener, "enterPrimaryexpr"):
                listener.enterPrimaryexpr(self)

        def exitRule(self, listener):
            if hasattr(listener, "exitPrimaryexpr"):
                listener.exitPrimaryexpr(self)




    def primaryexpr(self):

        localctx = gnParser.PrimaryexprContext(self, self._ctx, self.state)
        self.enterRule(localctx, 24, self.RULE_primaryexpr)
        self._la = 0 # Token type
        try:
            self.state = 125
            self._errHandler.sync(self)
            la_ = self._interp.adaptivePredict(self._input,12,self._ctx)
            if la_ == 1:
                self.enterOuterAlt(localctx, 1)
                self.state = 106
                self.match(gnParser.Identifier)
                pass

            elif la_ == 2:
                self.enterOuterAlt(localctx, 2)
                self.state = 107
                self.match(gnParser.Integer)
                pass

            elif la_ == 3:
                self.enterOuterAlt(localctx, 3)
                self.state = 108
                self.match(gnParser.String)
                pass

            elif la_ == 4:
                self.enterOuterAlt(localctx, 4)
                self.state = 109
                self.call()
                pass

            elif la_ == 5:
                self.enterOuterAlt(localctx, 5)
                self.state = 110
                self.arrayaccess()
                pass

            elif la_ == 6:
                self.enterOuterAlt(localctx, 6)
                self.state = 111
                self.scopeaccess()
                pass

            elif la_ == 7:
                self.enterOuterAlt(localctx, 7)
                self.state = 112
                self.block()
                pass

            elif la_ == 8:
                self.enterOuterAlt(localctx, 8)
                self.state = 113
                self.match(gnParser.T__0)
                self.state = 114
                self.expr(0)
                self.state = 115
                self.match(gnParser.T__1)
                pass

            elif la_ == 9:
                self.enterOuterAlt(localctx, 9)
                self.state = 117
                self.match(gnParser.T__5)
                self.state = 122
                self._errHandler.sync(self)
                _la = self._input.LA(1)
                if (((_la) & ~0x3f) == 0 and ((1 << _la) & ((1 << gnParser.T__0) | (1 << gnParser.T__3) | (1 << gnParser.T__5) | (1 << gnParser.UnaryOp) | (1 << gnParser.Identifier) | (1 << gnParser.Integer) | (1 << gnParser.String))) != 0):
                    self.state = 118
                    self.exprlist()
                    self.state = 120
                    self._errHandler.sync(self)
                    _la = self._input.LA(1)
                    if _la==gnParser.T__8:
                        self.state = 119
                        self.match(gnParser.T__8)




                self.state = 124
                self.match(gnParser.T__6)
                pass


        except RecognitionException as re:
            localctx.exception = re
            self._errHandler.reportError(self, re)
            self._errHandler.recover(self, re)
        finally:
            self.exitRule()
        return localctx

    class ExprlistContext(ParserRuleContext):

        def __init__(self, parser, parent=None, invokingState=-1):
            super(gnParser.ExprlistContext, self).__init__(parent, invokingState)
            self.parser = parser

        def expr(self, i=None):
            if i is None:
                return self.getTypedRuleContexts(gnParser.ExprContext)
            else:
                return self.getTypedRuleContext(gnParser.ExprContext,i)


        def getRuleIndex(self):
            return gnParser.RULE_exprlist

        def enterRule(self, listener):
            if hasattr(listener, "enterExprlist"):
                listener.enterExprlist(self)

        def exitRule(self, listener):
            if hasattr(listener, "exitExprlist"):
                listener.exitExprlist(self)




    def exprlist(self):

        localctx = gnParser.ExprlistContext(self, self._ctx, self.state)
        self.enterRule(localctx, 26, self.RULE_exprlist)
        try:
            self.enterOuterAlt(localctx, 1)
            self.state = 127
            self.expr(0)
            self.state = 132
            self._errHandler.sync(self)
            _alt = self._interp.adaptivePredict(self._input,13,self._ctx)
            while _alt!=2 and _alt!=ATN.INVALID_ALT_NUMBER:
                if _alt==1:
                    self.state = 128
                    self.match(gnParser.T__8)
                    self.state = 129
                    self.expr(0) 
                self.state = 134
                self._errHandler.sync(self)
                _alt = self._interp.adaptivePredict(self._input,13,self._ctx)

        except RecognitionException as re:
            localctx.exception = re
            self._errHandler.reportError(self, re)
            self._errHandler.recover(self, re)
        finally:
            self.exitRule()
        return localctx

    class ElsecContext(ParserRuleContext):

        def __init__(self, parser, parent=None, invokingState=-1):
            super(gnParser.ElsecContext, self).__init__(parent, invokingState)
            self.parser = parser


        def getRuleIndex(self):
            return gnParser.RULE_elsec

        def enterRule(self, listener):
            if hasattr(listener, "enterElsec"):
                listener.enterElsec(self)

        def exitRule(self, listener):
            if hasattr(listener, "exitElsec"):
                listener.exitElsec(self)




    def elsec(self):

        localctx = gnParser.ElsecContext(self, self._ctx, self.state)
        self.enterRule(localctx, 28, self.RULE_elsec)
        try:
            self.enterOuterAlt(localctx, 1)
            self.state = 135
            self.match(gnParser.T__9)
        except RecognitionException as re:
            localctx.exception = re
            self._errHandler.reportError(self, re)
            self._errHandler.recover(self, re)
        finally:
            self.exitRule()
        return localctx

    class CommentContext(ParserRuleContext):

        def __init__(self, parser, parent=None, invokingState=-1):
            super(gnParser.CommentContext, self).__init__(parent, invokingState)
            self.parser = parser

        def COMMENT(self):
            return self.getToken(gnParser.COMMENT, 0)

        def getRuleIndex(self):
            return gnParser.RULE_comment

        def enterRule(self, listener):
            if hasattr(listener, "enterComment"):
                listener.enterComment(self)

        def exitRule(self, listener):
            if hasattr(listener, "exitComment"):
                listener.exitComment(self)




    def comment(self):

        localctx = gnParser.CommentContext(self, self._ctx, self.state)
        self.enterRule(localctx, 30, self.RULE_comment)
        try:
            self.enterOuterAlt(localctx, 1)
            self.state = 137
            self.match(gnParser.COMMENT)
        except RecognitionException as re:
            localctx.exception = re
            self._errHandler.reportError(self, re)
            self._errHandler.recover(self, re)
        finally:
            self.exitRule()
        return localctx



    def sempred(self, localctx, ruleIndex, predIndex):
        if self._predicates == None:
            self._predicates = dict()
        self._predicates[10] = self.expr_sempred
        pred = self._predicates.get(ruleIndex, None)
        if pred is None:
            raise Exception("No predicate with index:" + str(ruleIndex))
        else:
            return pred(localctx, predIndex)

    def expr_sempred(self, localctx, predIndex):
            if predIndex == 0:
                return self.precpred(self._ctx, 1)