# Generated from \Pig.g4 by ANTLR 4.8
# encoding: utf-8
from antlr4 import *
from io import StringIO
import sys
if sys.version_info[1] > 5:
    from typing import TextIO
else:
    from typing.io import TextIO


def serializedATN():
    with StringIO() as buf:
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        buf.write("&\4\'\t\'\4(\t(\4)\t)\4*\t*\4+\t+\4,\t,\4-\t-\4.\t.\4")
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        return buf.getvalue()


class PigParser (Parser):

    grammarFileName = "Pig.g4"

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

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

    sharedContextCache = PredictionContextCache()

    literalNames = ["<INVALID>", "'define'", "'load'", "'filter'", "'foreach'",
                    "'order'", "'arrange'", "'distinct'", "'cogroup'",
                    "'join'", "'cross'", "'union'", "'split'", "'into'",
                    "'if'", "'all'", "'any'", "'as'", "'by'", "'using'",
                    "'inner'", "'outer'", "'ONSCHEMA'", "'*'", "'parallel'",
                    "'partition'", "'group'", "'and'", "'or'", "'not'",
                    "'generate'", "'flatten'", "'eval'", "'asc'", "'desc'",
                    "'int'", "'long'", "'float'", "'double'", "'chararray'",
                    "'bytearray'", "'bag'", "'tuple'", "'map'", "'is'",
                    "'null'", "'stream'", "'through'", "'store'", "'mapreduce'",
                    "'ship'", "'cache'", "'input'", "'output'", "'stderr'",
                    "'stdin'", "'stdout'", "'limit'", "'sample'", "'left'",
                    "'right'", "'full'", "<INVALID>", "<INVALID>", "<INVALID>",
                    "<INVALID>", "<INVALID>", "<INVALID>", "<INVALID>",
                    "'$'", "<INVALID>", "<INVALID>", "<INVALID>", "<INVALID>",
                    "':'", "';'", "'('", "')'", "'{'", "'}'", "'['", "']'",
                    "'#'", "'='", "','", "'.'", "'/'", "'%'", "'+'", "'-'",
                    "'?'"]

    symbolicNames = ["<INVALID>", "DEFINE", "LOAD", "FILTER", "FOREACH",
                     "ORDER", "ARRANGE", "DISTINCT", "COGROUP", "JOIN",
                     "CROSS", "UNION", "SPLIT", "INTO", "IF", "ALL", "ANY",
                     "AS", "BY", "USING", "INNER", "OUTER", "ONSCHEMA",
                     "STAR", "PARALLEL", "PARTITION", "GROUP", "AND", "OR",
                     "NOT", "GENERATE", "FLATTEN", "EVAL", "ASC", "DESC",
                     "INT", "LONG", "FLOAT", "DOUBLE", "CHARARRAY", "BYTEARRAY",
                     "BAG", "TUPLE", "MAP", "IS", "NULL", "STREAM", "THROUGH",
                     "STORE", "MAPREDUCE", "SHIP", "CACHE", "INPUT", "OUTPUT",
                     "ERROR", "STDIN", "STDOUT", "LIMIT", "SAMPLE", "LEFT",
                     "RIGHT", "FULL", "IDENTIFIER", "INTEGER", "LONGINTEGER",
                     "DOUBLENUMBER", "FLOATNUMBER", "QUOTEDSTRING", "EXECCOMMAND",
                     "DOLLAR", "WS", "SL_COMMENT", "ML_COMMENT", "FILTEROP",
                     "COLON", "SEMI_COLON", "LEFT_PAREN", "RIGHT_PAREN",
                     "LEFT_CURLYP", "RIGHT_CURLYP", "LEFT_BRACKET", "RIGHT_BRACKET",
                     "POUND", "EQUAL", "COMMA", "PERIOD", "DIV", "PERCENT",
                     "PLUS", "MINUS", "QMARK", "FUNC", "START", "CAST_EXPR",
                     "BIN_EXPR", "LONGINEGER", "MAP_VAL", "KEY_VAL_PAIR",
                     "LEFT_CURLY", "RIGHT_CURLY", "BAG_VAL"]

    RULE_parse = 0
    RULE_query = 1
    RULE_statement = 2
    RULE_alias = 3
    RULE_op_clause = 4
    RULE_load_clause = 5
    RULE_filename = 6
    RULE_as_clause = 7
    RULE_tuple_def = 8
    RULE_field = 9
    RULE_type_ = 10
    RULE_simple_type = 11
    RULE_tuple_type = 12
    RULE_bag_type = 13
    RULE_map_type = 14
    RULE_func_clause = 15
    RULE_func_name = 16
    RULE_func_args = 17
    RULE_store_clause = 18
    RULE_filter_clause = 19
    RULE_cond = 20
    RULE_or_cond = 21
    RULE_and_cond = 22
    RULE_unary_cond = 23
    RULE_not_cond = 24
    RULE_null_check_cond = 25
    RULE_expr = 26
    RULE_add_expr = 27
    RULE_multi_expr = 28
    RULE_cast_expr = 29
    RULE_unary_expr = 30
    RULE_eval_expr = 31
    RULE_var_expr = 32
    RULE_projectable_expr = 33
    RULE_dot_proj = 34
    RULE_pound_proj = 35
    RULE_bin_expr = 36
    RULE_neg_expr = 37
    RULE_distinct_clause = 38
    RULE_col_ref = 39
    RULE_alias_col_ref = 40
    RULE_dollar_col_ref = 41
    RULE_infix_expr = 42
    RULE_const_expr = 43
    RULE_scalar = 44
    RULE_map_ = 45
    RULE_keyvalue = 46
    RULE_string_val = 47
    RULE_bag = 48
    RULE_tuple_ = 49

    ruleNames = ["parse", "query", "statement", "alias", "op_clause",
                 "load_clause", "filename", "as_clause", "tuple_def",
                 "field", "type_", "simple_type", "tuple_type", "bag_type",
                 "map_type", "func_clause", "func_name", "func_args",
                 "store_clause", "filter_clause", "cond", "or_cond", "and_cond",
                 "unary_cond", "not_cond", "null_check_cond", "expr",
                 "add_expr", "multi_expr", "cast_expr", "unary_expr",
                 "eval_expr", "var_expr", "projectable_expr", "dot_proj",
                 "pound_proj", "bin_expr", "neg_expr", "distinct_clause",
                 "col_ref", "alias_col_ref", "dollar_col_ref", "infix_expr",
                 "const_expr", "scalar", "map_", "keyvalue", "string_val",
                 "bag", "tuple_"]

    EOF = Token.EOF
    DEFINE = 1
    LOAD = 2
    FILTER = 3
    FOREACH = 4
    ORDER = 5
    ARRANGE = 6
    DISTINCT = 7
    COGROUP = 8
    JOIN = 9
    CROSS = 10
    UNION = 11
    SPLIT = 12
    INTO = 13
    IF = 14
    ALL = 15
    ANY = 16
    AS = 17
    BY = 18
    USING = 19
    INNER = 20
    OUTER = 21
    ONSCHEMA = 22
    STAR = 23
    PARALLEL = 24
    PARTITION = 25
    GROUP = 26
    AND = 27
    OR = 28
    NOT = 29
    GENERATE = 30
    FLATTEN = 31
    EVAL = 32
    ASC = 33
    DESC = 34
    INT = 35
    LONG = 36
    FLOAT = 37
    DOUBLE = 38
    CHARARRAY = 39
    BYTEARRAY = 40
    BAG = 41
    TUPLE = 42
    MAP = 43
    IS = 44
    NULL = 45
    STREAM = 46
    THROUGH = 47
    STORE = 48
    MAPREDUCE = 49
    SHIP = 50
    CACHE = 51
    INPUT = 52
    OUTPUT = 53
    ERROR = 54
    STDIN = 55
    STDOUT = 56
    LIMIT = 57
    SAMPLE = 58
    LEFT = 59
    RIGHT = 60
    FULL = 61
    IDENTIFIER = 62
    INTEGER = 63
    LONGINTEGER = 64
    DOUBLENUMBER = 65
    FLOATNUMBER = 66
    QUOTEDSTRING = 67
    EXECCOMMAND = 68
    DOLLAR = 69
    WS = 70
    SL_COMMENT = 71
    ML_COMMENT = 72
    FILTEROP = 73
    COLON = 74
    SEMI_COLON = 75
    LEFT_PAREN = 76
    RIGHT_PAREN = 77
    LEFT_CURLYP = 78
    RIGHT_CURLYP = 79
    LEFT_BRACKET = 80
    RIGHT_BRACKET = 81
    POUND = 82
    EQUAL = 83
    COMMA = 84
    PERIOD = 85
    DIV = 86
    PERCENT = 87
    PLUS = 88
    MINUS = 89
    QMARK = 90
    FUNC = 91
    START = 92
    CAST_EXPR = 93
    BIN_EXPR = 94
    LONGINEGER = 95
    MAP_VAL = 96
    KEY_VAL_PAIR = 97
    LEFT_CURLY = 98
    RIGHT_CURLY = 99
    BAG_VAL = 100

    def __init__(self, input: TokenStream, output: TextIO = sys.stdout):
        super().__init__(input, output)
        self.checkVersion("4.8")
        self._interp = ParserATNSimulator(
            self, self.atn, self.decisionsToDFA, self.sharedContextCache)
        self._predicates = None

    class ParseContext(ParserRuleContext):

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

        def query(self):
            return self.getTypedRuleContext(PigParser.QueryContext, 0)

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

        def getRuleIndex(self):
            return PigParser.RULE_parse

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

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

    def parse(self):

        localctx = PigParser.ParseContext(self, self._ctx, self.state)
        self.enterRule(localctx, 0, self.RULE_parse)
        try:
            self.enterOuterAlt(localctx, 1)
            self.state = 100
            self.query(0)
            self.state = 101
            self.match(PigParser.EOF)
        except RecognitionException as re:
            localctx.exception = re
            self._errHandler.reportError(self, re)
            self._errHandler.recover(self, re)
        finally:
            self.exitRule()
        return localctx

    class QueryContext(ParserRuleContext):

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

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

        def NOT(self):
            return self.getToken(PigParser.NOT, 0)

        def query(self):
            return self.getTypedRuleContext(PigParser.QueryContext, 0)

        def getRuleIndex(self):
            return PigParser.RULE_query

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

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

    def query(self, _p: int = 0):
        _parentctx = self._ctx
        _parentState = self.state
        localctx = PigParser.QueryContext(self, self._ctx, _parentState)
        _prevctx = localctx
        _startState = 2
        self.enterRecursionRule(localctx, 2, self.RULE_query, _p)
        try:
            self.enterOuterAlt(localctx, 1)
            self.state = 112
            self._errHandler.sync(self)
            la_ = self._interp.adaptivePredict(self._input, 1, self._ctx)
            if la_ == 1:
                self.state = 107
                self._errHandler.sync(self)
                _alt = self._interp.adaptivePredict(self._input, 0, self._ctx)
                while _alt != 2 and _alt != ATN.INVALID_ALT_NUMBER:
                    if _alt == 1:
                        self.state = 104
                        self.statement()
                    self.state = 109
                    self._errHandler.sync(self)
                    _alt = self._interp.adaptivePredict(
                        self._input, 0, self._ctx)

                pass

            elif la_ == 2:
                self.state = 110
                self.match(PigParser.NOT)
                self.state = 111
                self.statement()
                pass

            self._ctx.stop = self._input.LT(-1)
            self.state = 118
            self._errHandler.sync(self)
            _alt = self._interp.adaptivePredict(self._input, 2, 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 = PigParser.QueryContext(
                        self, _parentctx, _parentState)
                    self.pushNewRecursionContext(
                        localctx, _startState, self.RULE_query)
                    self.state = 114
                    if not self.precpred(self._ctx, 1):
                        from antlr4.error.Errors import FailedPredicateException
                        raise FailedPredicateException(
                            self, "self.precpred(self._ctx, 1)")
                    self.state = 115
                    self.statement()
                self.state = 120
                self._errHandler.sync(self)
                _alt = self._interp.adaptivePredict(self._input, 2, 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 StatementContext(ParserRuleContext):

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

        def op_clause(self):
            return self.getTypedRuleContext(PigParser.Op_clauseContext, 0)

        def SEMI_COLON(self):
            return self.getToken(PigParser.SEMI_COLON, 0)

        def alias(self):
            return self.getTypedRuleContext(PigParser.AliasContext, 0)

        def EQUAL(self):
            return self.getToken(PigParser.EQUAL, 0)

        def NOT(self):
            return self.getToken(PigParser.NOT, 0)

        def statement(self):
            return self.getTypedRuleContext(PigParser.StatementContext, 0)

        def getRuleIndex(self):
            return PigParser.RULE_statement

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

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

    def statement(self):

        localctx = PigParser.StatementContext(self, self._ctx, self.state)
        self.enterRule(localctx, 4, self.RULE_statement)
        self._la = 0  # Token type
        try:
            self.state = 136
            self._errHandler.sync(self)
            token = self._input.LA(1)
            if token in [PigParser.LOAD, PigParser.FILTER, PigParser.DISTINCT, PigParser.STORE, PigParser.IDENTIFIER]:
                self.enterOuterAlt(localctx, 1)
                self.state = 124
                self._errHandler.sync(self)
                _la = self._input.LA(1)
                if _la == PigParser.IDENTIFIER:
                    self.state = 121
                    self.alias()
                    self.state = 122
                    self.match(PigParser.EQUAL)

                self.state = 126
                self.op_clause()
                self.state = 127
                self.match(PigParser.SEMI_COLON)
                pass
            elif token in [PigParser.NOT]:
                self.enterOuterAlt(localctx, 2)
                self.state = 129
                self.match(PigParser.NOT)

                self.state = 130
                self.statement()
                self.state = 132
                self._errHandler.sync(self)
                _la = self._input.LA(1)
                if _la == PigParser.IDENTIFIER:
                    self.state = 131
                    self.alias()

                self.state = 134
                self.op_clause()
                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 AliasContext(ParserRuleContext):

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

        def IDENTIFIER(self):
            return self.getToken(PigParser.IDENTIFIER, 0)

        def getRuleIndex(self):
            return PigParser.RULE_alias

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

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

    def alias(self):

        localctx = PigParser.AliasContext(self, self._ctx, self.state)
        self.enterRule(localctx, 6, self.RULE_alias)
        try:
            self.enterOuterAlt(localctx, 1)
            self.state = 138
            self.match(PigParser.IDENTIFIER)
        except RecognitionException as re:
            localctx.exception = re
            self._errHandler.reportError(self, re)
            self._errHandler.recover(self, re)
        finally:
            self.exitRule()
        return localctx

    class Op_clauseContext(ParserRuleContext):

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

        def load_clause(self):
            return self.getTypedRuleContext(PigParser.Load_clauseContext, 0)

        def store_clause(self):
            return self.getTypedRuleContext(PigParser.Store_clauseContext, 0)

        def filter_clause(self):
            return self.getTypedRuleContext(PigParser.Filter_clauseContext, 0)

        def distinct_clause(self):
            return self.getTypedRuleContext(PigParser.Distinct_clauseContext, 0)

        def getRuleIndex(self):
            return PigParser.RULE_op_clause

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

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

    def op_clause(self):

        localctx = PigParser.Op_clauseContext(self, self._ctx, self.state)
        self.enterRule(localctx, 8, self.RULE_op_clause)
        try:
            self.state = 144
            self._errHandler.sync(self)
            token = self._input.LA(1)
            if token in [PigParser.LOAD]:
                self.enterOuterAlt(localctx, 1)
                self.state = 140
                self.load_clause()
                pass
            elif token in [PigParser.STORE]:
                self.enterOuterAlt(localctx, 2)
                self.state = 141
                self.store_clause()
                pass
            elif token in [PigParser.FILTER]:
                self.enterOuterAlt(localctx, 3)
                self.state = 142
                self.filter_clause()
                pass
            elif token in [PigParser.DISTINCT]:
                self.enterOuterAlt(localctx, 4)
                self.state = 143
                self.distinct_clause()
                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 Load_clauseContext(ParserRuleContext):

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

        def LOAD(self):
            return self.getToken(PigParser.LOAD, 0)

        def filename(self):
            return self.getTypedRuleContext(PigParser.FilenameContext, 0)

        def USING(self):
            return self.getToken(PigParser.USING, 0)

        def func_clause(self):
            return self.getTypedRuleContext(PigParser.Func_clauseContext, 0)

        def as_clause(self):
            return self.getTypedRuleContext(PigParser.As_clauseContext, 0)

        def getRuleIndex(self):
            return PigParser.RULE_load_clause

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

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

    def load_clause(self):

        localctx = PigParser.Load_clauseContext(self, self._ctx, self.state)
        self.enterRule(localctx, 10, self.RULE_load_clause)
        try:
            self.enterOuterAlt(localctx, 1)
            self.state = 146
            self.match(PigParser.LOAD)
            self.state = 147
            self.filename()
            self.state = 150
            self._errHandler.sync(self)
            la_ = self._interp.adaptivePredict(self._input, 7, self._ctx)
            if la_ == 1:
                self.state = 148
                self.match(PigParser.USING)
                self.state = 149
                self.func_clause()

            self.state = 153
            self._errHandler.sync(self)
            la_ = self._interp.adaptivePredict(self._input, 8, self._ctx)
            if la_ == 1:
                self.state = 152
                self.as_clause()

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

    class FilenameContext(ParserRuleContext):

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

        def QUOTEDSTRING(self):
            return self.getToken(PigParser.QUOTEDSTRING, 0)

        def getRuleIndex(self):
            return PigParser.RULE_filename

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

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

    def filename(self):

        localctx = PigParser.FilenameContext(self, self._ctx, self.state)
        self.enterRule(localctx, 12, self.RULE_filename)
        try:
            self.enterOuterAlt(localctx, 1)
            self.state = 155
            self.match(PigParser.QUOTEDSTRING)
        except RecognitionException as re:
            localctx.exception = re
            self._errHandler.reportError(self, re)
            self._errHandler.recover(self, re)
        finally:
            self.exitRule()
        return localctx

    class As_clauseContext(ParserRuleContext):

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

        def AS(self):
            return self.getToken(PigParser.AS, 0)

        def tuple_def(self):
            return self.getTypedRuleContext(PigParser.Tuple_defContext, 0)

        def getRuleIndex(self):
            return PigParser.RULE_as_clause

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

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

    def as_clause(self):

        localctx = PigParser.As_clauseContext(self, self._ctx, self.state)
        self.enterRule(localctx, 14, self.RULE_as_clause)
        try:
            self.enterOuterAlt(localctx, 1)
            self.state = 157
            self.match(PigParser.AS)
            self.state = 158
            self.tuple_def()
        except RecognitionException as re:
            localctx.exception = re
            self._errHandler.reportError(self, re)
            self._errHandler.recover(self, re)
        finally:
            self.exitRule()
        return localctx

    class Tuple_defContext(ParserRuleContext):

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

        def LEFT_PAREN(self):
            return self.getToken(PigParser.LEFT_PAREN, 0)

        def field(self, i: int = None):
            if i is None:
                return self.getTypedRuleContexts(PigParser.FieldContext)
            else:
                return self.getTypedRuleContext(PigParser.FieldContext, i)

        def RIGHT_PAREN(self):
            return self.getToken(PigParser.RIGHT_PAREN, 0)

        def COMMA(self, i: int = None):
            if i is None:
                return self.getTokens(PigParser.COMMA)
            else:
                return self.getToken(PigParser.COMMA, i)

        def NOT(self):
            return self.getToken(PigParser.NOT, 0)

        def tuple_def(self):
            return self.getTypedRuleContext(PigParser.Tuple_defContext, 0)

        def getRuleIndex(self):
            return PigParser.RULE_tuple_def

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

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

    def tuple_def(self):

        localctx = PigParser.Tuple_defContext(self, self._ctx, self.state)
        self.enterRule(localctx, 16, self.RULE_tuple_def)
        self._la = 0  # Token type
        try:
            self.state = 178
            self._errHandler.sync(self)
            token = self._input.LA(1)
            if token in [PigParser.LEFT_PAREN]:
                self.enterOuterAlt(localctx, 1)
                self.state = 160
                self.match(PigParser.LEFT_PAREN)
                self.state = 161
                self.field()
                self.state = 166
                self._errHandler.sync(self)
                _la = self._input.LA(1)
                while _la == PigParser.COMMA:
                    self.state = 162
                    self.match(PigParser.COMMA)
                    self.state = 163
                    self.field()
                    self.state = 168
                    self._errHandler.sync(self)
                    _la = self._input.LA(1)

                self.state = 169
                self.match(PigParser.RIGHT_PAREN)
                pass
            elif token in [PigParser.NOT]:
                self.enterOuterAlt(localctx, 2)
                self.state = 171
                self.match(PigParser.NOT)

                self.state = 172
                self.tuple_def()
                self.state = 174
                self._errHandler.sync(self)
                _alt = 1
                while _alt != 2 and _alt != ATN.INVALID_ALT_NUMBER:
                    if _alt == 1:
                        self.state = 173
                        self.field()

                    else:
                        raise NoViableAltException(self)
                    self.state = 176
                    self._errHandler.sync(self)
                    _alt = self._interp.adaptivePredict(
                        self._input, 10, self._ctx)

                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 FieldContext(ParserRuleContext):

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

        def IDENTIFIER(self):
            return self.getToken(PigParser.IDENTIFIER, 0)

        def COLON(self):
            return self.getToken(PigParser.COLON, 0)

        def type_(self):
            return self.getTypedRuleContext(PigParser.Type_Context, 0)

        def NOT(self):
            return self.getToken(PigParser.NOT, 0)

        def field(self):
            return self.getTypedRuleContext(PigParser.FieldContext, 0)

        def getRuleIndex(self):
            return PigParser.RULE_field

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

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

    def field(self):

        localctx = PigParser.FieldContext(self, self._ctx, self.state)
        self.enterRule(localctx, 18, self.RULE_field)
        try:
            self.state = 191
            self._errHandler.sync(self)
            token = self._input.LA(1)
            if token in [PigParser.IDENTIFIER]:
                self.enterOuterAlt(localctx, 1)
                self.state = 180
                self.match(PigParser.IDENTIFIER)
                self.state = 183
                self._errHandler.sync(self)
                la_ = self._interp.adaptivePredict(self._input, 12, self._ctx)
                if la_ == 1:
                    self.state = 181
                    self.match(PigParser.COLON)
                    self.state = 182
                    self.type_()

                pass
            elif token in [PigParser.NOT]:
                self.enterOuterAlt(localctx, 2)
                self.state = 185
                self.match(PigParser.NOT)

                self.state = 186
                self.field()
                self.state = 187
                self.match(PigParser.IDENTIFIER)
                self.state = 189
                self._errHandler.sync(self)
                la_ = self._interp.adaptivePredict(self._input, 13, self._ctx)
                if la_ == 1:
                    self.state = 188
                    self.type_()

                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 Type_Context(ParserRuleContext):

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

        def simple_type(self):
            return self.getTypedRuleContext(PigParser.Simple_typeContext, 0)

        def tuple_type(self):
            return self.getTypedRuleContext(PigParser.Tuple_typeContext, 0)

        def bag_type(self):
            return self.getTypedRuleContext(PigParser.Bag_typeContext, 0)

        def map_type(self):
            return self.getTypedRuleContext(PigParser.Map_typeContext, 0)

        def getRuleIndex(self):
            return PigParser.RULE_type_

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

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

    def type_(self):

        localctx = PigParser.Type_Context(self, self._ctx, self.state)
        self.enterRule(localctx, 20, self.RULE_type_)
        try:
            self.state = 197
            self._errHandler.sync(self)
            token = self._input.LA(1)
            if token in [PigParser.INT, PigParser.LONG, PigParser.FLOAT, PigParser.DOUBLE, PigParser.CHARARRAY, PigParser.BYTEARRAY]:
                self.enterOuterAlt(localctx, 1)
                self.state = 193
                self.simple_type()
                pass
            elif token in [PigParser.NOT, PigParser.LEFT_PAREN]:
                self.enterOuterAlt(localctx, 2)
                self.state = 194
                self.tuple_type()
                pass
            elif token in [PigParser.BAG]:
                self.enterOuterAlt(localctx, 3)
                self.state = 195
                self.bag_type()
                pass
            elif token in [PigParser.MAP]:
                self.enterOuterAlt(localctx, 4)
                self.state = 196
                self.map_type()
                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 Simple_typeContext(ParserRuleContext):

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

        def INT(self):
            return self.getToken(PigParser.INT, 0)

        def LONG(self):
            return self.getToken(PigParser.LONG, 0)

        def FLOAT(self):
            return self.getToken(PigParser.FLOAT, 0)

        def DOUBLE(self):
            return self.getToken(PigParser.DOUBLE, 0)

        def CHARARRAY(self):
            return self.getToken(PigParser.CHARARRAY, 0)

        def BYTEARRAY(self):
            return self.getToken(PigParser.BYTEARRAY, 0)

        def getRuleIndex(self):
            return PigParser.RULE_simple_type

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

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

    def simple_type(self):

        localctx = PigParser.Simple_typeContext(self, self._ctx, self.state)
        self.enterRule(localctx, 22, self.RULE_simple_type)
        self._la = 0  # Token type
        try:
            self.enterOuterAlt(localctx, 1)
            self.state = 199
            _la = self._input.LA(1)
            if not((((_la) & ~0x3f) == 0 and ((1 << _la) & ((1 << PigParser.INT) | (1 << PigParser.LONG) | (1 << PigParser.FLOAT) | (1 << PigParser.DOUBLE) | (1 << PigParser.CHARARRAY) | (1 << PigParser.BYTEARRAY))) != 0)):
                self._errHandler.recoverInline(self)
            else:
                self._errHandler.reportMatch(self)
                self.consume()
        except RecognitionException as re:
            localctx.exception = re
            self._errHandler.reportError(self, re)
            self._errHandler.recover(self, re)
        finally:
            self.exitRule()
        return localctx

    class Tuple_typeContext(ParserRuleContext):

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

        def tuple_(self):
            return self.getTypedRuleContext(PigParser.Tuple_Context, 0)

        def tuple_def(self):
            return self.getTypedRuleContext(PigParser.Tuple_defContext, 0)

        def getRuleIndex(self):
            return PigParser.RULE_tuple_type

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

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

    def tuple_type(self):

        localctx = PigParser.Tuple_typeContext(self, self._ctx, self.state)
        self.enterRule(localctx, 24, self.RULE_tuple_type)
        try:
            self.enterOuterAlt(localctx, 1)
            self.state = 201
            self.tuple_()
            self.state = 202
            self.tuple_def()
        except RecognitionException as re:
            localctx.exception = re
            self._errHandler.reportError(self, re)
            self._errHandler.recover(self, re)
        finally:
            self.exitRule()
        return localctx

    class Bag_typeContext(ParserRuleContext):

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

        def BAG(self):
            return self.getToken(PigParser.BAG, 0)

        def tuple_def(self):
            return self.getTypedRuleContext(PigParser.Tuple_defContext, 0)

        def getRuleIndex(self):
            return PigParser.RULE_bag_type

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

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

    def bag_type(self):

        localctx = PigParser.Bag_typeContext(self, self._ctx, self.state)
        self.enterRule(localctx, 26, self.RULE_bag_type)
        try:
            self.enterOuterAlt(localctx, 1)
            self.state = 204
            self.match(PigParser.BAG)
            self.state = 205
            self.tuple_def()
        except RecognitionException as re:
            localctx.exception = re
            self._errHandler.reportError(self, re)
            self._errHandler.recover(self, re)
        finally:
            self.exitRule()
        return localctx

    class Map_typeContext(ParserRuleContext):

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

        def MAP(self):
            return self.getToken(PigParser.MAP, 0)

        def LEFT_BRACKET(self):
            return self.getToken(PigParser.LEFT_BRACKET, 0)

        def RIGHT_BRACKET(self):
            return self.getToken(PigParser.RIGHT_BRACKET, 0)

        def getRuleIndex(self):
            return PigParser.RULE_map_type

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

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

    def map_type(self):

        localctx = PigParser.Map_typeContext(self, self._ctx, self.state)
        self.enterRule(localctx, 28, self.RULE_map_type)
        try:
            self.enterOuterAlt(localctx, 1)
            self.state = 207
            self.match(PigParser.MAP)
            self.state = 208
            self.match(PigParser.LEFT_BRACKET)
            self.state = 209
            self.match(PigParser.RIGHT_BRACKET)
        except RecognitionException as re:
            localctx.exception = re
            self._errHandler.reportError(self, re)
            self._errHandler.recover(self, re)
        finally:
            self.exitRule()
        return localctx

    class Func_clauseContext(ParserRuleContext):

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

        def func_name(self):
            return self.getTypedRuleContext(PigParser.Func_nameContext, 0)

        def LEFT_PAREN(self):
            return self.getToken(PigParser.LEFT_PAREN, 0)

        def RIGHT_PAREN(self):
            return self.getToken(PigParser.RIGHT_PAREN, 0)

        def func_args(self):
            return self.getTypedRuleContext(PigParser.Func_argsContext, 0)

        def NOT(self):
            return self.getToken(PigParser.NOT, 0)

        def FUNC(self):
            return self.getToken(PigParser.FUNC, 0)

        def getRuleIndex(self):
            return PigParser.RULE_func_clause

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

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

    def func_clause(self):

        localctx = PigParser.Func_clauseContext(self, self._ctx, self.state)
        self.enterRule(localctx, 30, self.RULE_func_clause)
        self._la = 0  # Token type
        try:
            self.state = 224
            self._errHandler.sync(self)
            token = self._input.LA(1)
            if token in [PigParser.IDENTIFIER]:
                self.enterOuterAlt(localctx, 1)
                self.state = 211
                self.func_name()
                self.state = 212
                self.match(PigParser.LEFT_PAREN)
                self.state = 214
                self._errHandler.sync(self)
                _la = self._input.LA(1)
                if _la == PigParser.QUOTEDSTRING:
                    self.state = 213
                    self.func_args()

                self.state = 216
                self.match(PigParser.RIGHT_PAREN)
                pass
            elif token in [PigParser.NOT]:
                self.enterOuterAlt(localctx, 2)
                self.state = 218
                self.match(PigParser.NOT)

                self.state = 219
                self.match(PigParser.FUNC)
                self.state = 220
                self.func_name()
                self.state = 222
                self._errHandler.sync(self)
                la_ = self._interp.adaptivePredict(self._input, 17, self._ctx)
                if la_ == 1:
                    self.state = 221
                    self.func_args()

                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 Func_nameContext(ParserRuleContext):

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

        def IDENTIFIER(self, i: int = None):
            if i is None:
                return self.getTokens(PigParser.IDENTIFIER)
            else:
                return self.getToken(PigParser.IDENTIFIER, i)

        def PERIOD(self, i: int = None):
            if i is None:
                return self.getTokens(PigParser.PERIOD)
            else:
                return self.getToken(PigParser.PERIOD, i)

        def getRuleIndex(self):
            return PigParser.RULE_func_name

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

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

    def func_name(self):

        localctx = PigParser.Func_nameContext(self, self._ctx, self.state)
        self.enterRule(localctx, 32, self.RULE_func_name)
        try:
            self.state = 239
            self._errHandler.sync(self)
            la_ = self._interp.adaptivePredict(self._input, 21, self._ctx)
            if la_ == 1:
                self.enterOuterAlt(localctx, 1)
                self.state = 226
                self.match(PigParser.IDENTIFIER)
                self.state = 231
                self._errHandler.sync(self)
                _alt = self._interp.adaptivePredict(self._input, 19, self._ctx)
                while _alt != 2 and _alt != ATN.INVALID_ALT_NUMBER:
                    if _alt == 1:
                        self.state = 227
                        self.match(PigParser.PERIOD)
                        self.state = 228
                        self.match(PigParser.IDENTIFIER)
                    self.state = 233
                    self._errHandler.sync(self)
                    _alt = self._interp.adaptivePredict(
                        self._input, 19, self._ctx)

                pass

            elif la_ == 2:
                self.enterOuterAlt(localctx, 2)
                self.state = 235
                self._errHandler.sync(self)
                _alt = 1
                while _alt != 2 and _alt != ATN.INVALID_ALT_NUMBER:
                    if _alt == 1:
                        self.state = 234
                        self.match(PigParser.IDENTIFIER)

                    else:
                        raise NoViableAltException(self)
                    self.state = 237
                    self._errHandler.sync(self)
                    _alt = self._interp.adaptivePredict(
                        self._input, 20, self._ctx)

                pass

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

    class Func_argsContext(ParserRuleContext):

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

        def QUOTEDSTRING(self, i: int = None):
            if i is None:
                return self.getTokens(PigParser.QUOTEDSTRING)
            else:
                return self.getToken(PigParser.QUOTEDSTRING, i)

        def COMMA(self, i: int = None):
            if i is None:
                return self.getTokens(PigParser.COMMA)
            else:
                return self.getToken(PigParser.COMMA, i)

        def getRuleIndex(self):
            return PigParser.RULE_func_args

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

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

    def func_args(self):

        localctx = PigParser.Func_argsContext(self, self._ctx, self.state)
        self.enterRule(localctx, 34, self.RULE_func_args)
        try:
            self.state = 254
            self._errHandler.sync(self)
            la_ = self._interp.adaptivePredict(self._input, 24, self._ctx)
            if la_ == 1:
                self.enterOuterAlt(localctx, 1)
                self.state = 241
                self.match(PigParser.QUOTEDSTRING)
                self.state = 246
                self._errHandler.sync(self)
                _alt = self._interp.adaptivePredict(self._input, 22, self._ctx)
                while _alt != 2 and _alt != ATN.INVALID_ALT_NUMBER:
                    if _alt == 1:
                        self.state = 242
                        self.match(PigParser.COMMA)
                        self.state = 243
                        self.match(PigParser.QUOTEDSTRING)
                    self.state = 248
                    self._errHandler.sync(self)
                    _alt = self._interp.adaptivePredict(
                        self._input, 22, self._ctx)

                pass

            elif la_ == 2:
                self.enterOuterAlt(localctx, 2)
                self.state = 250
                self._errHandler.sync(self)
                _alt = 1
                while _alt != 2 and _alt != ATN.INVALID_ALT_NUMBER:
                    if _alt == 1:
                        self.state = 249
                        self.match(PigParser.QUOTEDSTRING)

                    else:
                        raise NoViableAltException(self)
                    self.state = 252
                    self._errHandler.sync(self)
                    _alt = self._interp.adaptivePredict(
                        self._input, 23, self._ctx)

                pass

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

    class Store_clauseContext(ParserRuleContext):

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

        def STORE(self):
            return self.getToken(PigParser.STORE, 0)

        def alias(self):
            return self.getTypedRuleContext(PigParser.AliasContext, 0)

        def INTO(self):
            return self.getToken(PigParser.INTO, 0)

        def filename(self):
            return self.getTypedRuleContext(PigParser.FilenameContext, 0)

        def USING(self):
            return self.getToken(PigParser.USING, 0)

        def func_clause(self):
            return self.getTypedRuleContext(PigParser.Func_clauseContext, 0)

        def getRuleIndex(self):
            return PigParser.RULE_store_clause

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

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

    def store_clause(self):

        localctx = PigParser.Store_clauseContext(self, self._ctx, self.state)
        self.enterRule(localctx, 36, self.RULE_store_clause)
        try:
            self.enterOuterAlt(localctx, 1)
            self.state = 256
            self.match(PigParser.STORE)
            self.state = 257
            self.alias()
            self.state = 258
            self.match(PigParser.INTO)
            self.state = 259
            self.filename()
            self.state = 262
            self._errHandler.sync(self)
            la_ = self._interp.adaptivePredict(self._input, 25, self._ctx)
            if la_ == 1:
                self.state = 260
                self.match(PigParser.USING)
                self.state = 261
                self.func_clause()

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

    class Filter_clauseContext(ParserRuleContext):

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

        def FILTER(self):
            return self.getToken(PigParser.FILTER, 0)

        def alias(self):
            return self.getTypedRuleContext(PigParser.AliasContext, 0)

        def BY(self):
            return self.getToken(PigParser.BY, 0)

        def cond(self):
            return self.getTypedRuleContext(PigParser.CondContext, 0)

        def getRuleIndex(self):
            return PigParser.RULE_filter_clause

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

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

    def filter_clause(self):

        localctx = PigParser.Filter_clauseContext(self, self._ctx, self.state)
        self.enterRule(localctx, 38, self.RULE_filter_clause)
        try:
            self.enterOuterAlt(localctx, 1)
            self.state = 264
            self.match(PigParser.FILTER)
            self.state = 265
            self.alias()
            self.state = 266
            self.match(PigParser.BY)
            self.state = 267
            self.cond()
        except RecognitionException as re:
            localctx.exception = re
            self._errHandler.reportError(self, re)
            self._errHandler.recover(self, re)
        finally:
            self.exitRule()
        return localctx

    class CondContext(ParserRuleContext):

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

        def or_cond(self):
            return self.getTypedRuleContext(PigParser.Or_condContext, 0)

        def getRuleIndex(self):
            return PigParser.RULE_cond

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

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

    def cond(self):

        localctx = PigParser.CondContext(self, self._ctx, self.state)
        self.enterRule(localctx, 40, self.RULE_cond)
        try:
            self.enterOuterAlt(localctx, 1)
            self.state = 269
            self.or_cond()
        except RecognitionException as re:
            localctx.exception = re
            self._errHandler.reportError(self, re)
            self._errHandler.recover(self, re)
        finally:
            self.exitRule()
        return localctx

    class Or_condContext(ParserRuleContext):

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

        def and_cond(self, i: int = None):
            if i is None:
                return self.getTypedRuleContexts(PigParser.And_condContext)
            else:
                return self.getTypedRuleContext(PigParser.And_condContext, i)

        def OR(self, i: int = None):
            if i is None:
                return self.getTokens(PigParser.OR)
            else:
                return self.getToken(PigParser.OR, i)

        def getRuleIndex(self):
            return PigParser.RULE_or_cond

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

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

    def or_cond(self):

        localctx = PigParser.Or_condContext(self, self._ctx, self.state)
        self.enterRule(localctx, 42, self.RULE_or_cond)
        try:
            self.enterOuterAlt(localctx, 1)
            self.state = 271
            self.and_cond()
            self.state = 276
            self._errHandler.sync(self)
            _alt = self._interp.adaptivePredict(self._input, 26, self._ctx)
            while _alt != 2 and _alt != ATN.INVALID_ALT_NUMBER:
                if _alt == 1:
                    self.state = 272
                    self.match(PigParser.OR)
                    self.state = 273
                    self.and_cond()
                self.state = 278
                self._errHandler.sync(self)
                _alt = self._interp.adaptivePredict(self._input, 26, 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 And_condContext(ParserRuleContext):

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

        def unary_cond(self, i: int = None):
            if i is None:
                return self.getTypedRuleContexts(PigParser.Unary_condContext)
            else:
                return self.getTypedRuleContext(PigParser.Unary_condContext, i)

        def AND(self, i: int = None):
            if i is None:
                return self.getTokens(PigParser.AND)
            else:
                return self.getToken(PigParser.AND, i)

        def getRuleIndex(self):
            return PigParser.RULE_and_cond

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

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

    def and_cond(self):

        localctx = PigParser.And_condContext(self, self._ctx, self.state)
        self.enterRule(localctx, 44, self.RULE_and_cond)
        try:
            self.enterOuterAlt(localctx, 1)
            self.state = 279
            self.unary_cond()
            self.state = 284
            self._errHandler.sync(self)
            _alt = self._interp.adaptivePredict(self._input, 27, self._ctx)
            while _alt != 2 and _alt != ATN.INVALID_ALT_NUMBER:
                if _alt == 1:
                    self.state = 280
                    self.match(PigParser.AND)
                    self.state = 281
                    self.unary_cond()
                self.state = 286
                self._errHandler.sync(self)
                _alt = self._interp.adaptivePredict(self._input, 27, 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 Unary_condContext(ParserRuleContext):

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

        def LEFT_PAREN(self):
            return self.getToken(PigParser.LEFT_PAREN, 0)

        def cond(self):
            return self.getTypedRuleContext(PigParser.CondContext, 0)

        def RIGHT_PAREN(self):
            return self.getToken(PigParser.RIGHT_PAREN, 0)

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

        def FILTEROP(self):
            return self.getToken(PigParser.FILTEROP, 0)

        def func_clause(self):
            return self.getTypedRuleContext(PigParser.Func_clauseContext, 0)

        def null_check_cond(self):
            return self.getTypedRuleContext(PigParser.Null_check_condContext, 0)

        def not_cond(self):
            return self.getTypedRuleContext(PigParser.Not_condContext, 0)

        def getRuleIndex(self):
            return PigParser.RULE_unary_cond

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

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

    def unary_cond(self):

        localctx = PigParser.Unary_condContext(self, self._ctx, self.state)
        self.enterRule(localctx, 46, self.RULE_unary_cond)
        try:
            self.state = 298
            self._errHandler.sync(self)
            la_ = self._interp.adaptivePredict(self._input, 28, self._ctx)
            if la_ == 1:
                self.enterOuterAlt(localctx, 1)
                self.state = 287
                self.match(PigParser.LEFT_PAREN)
                self.state = 288
                self.cond()
                self.state = 289
                self.match(PigParser.RIGHT_PAREN)
                pass

            elif la_ == 2:
                self.enterOuterAlt(localctx, 2)
                self.state = 291
                self.expr()
                self.state = 292
                self.match(PigParser.FILTEROP)
                self.state = 293
                self.expr()
                pass

            elif la_ == 3:
                self.enterOuterAlt(localctx, 3)
                self.state = 295
                self.func_clause()
                pass

            elif la_ == 4:
                self.enterOuterAlt(localctx, 4)
                self.state = 296
                self.null_check_cond()
                pass

            elif la_ == 5:
                self.enterOuterAlt(localctx, 5)
                self.state = 297
                self.not_cond()
                pass

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

    class Not_condContext(ParserRuleContext):

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

        def NOT(self):
            return self.getToken(PigParser.NOT, 0)

        def unary_cond(self):
            return self.getTypedRuleContext(PigParser.Unary_condContext, 0)

        def getRuleIndex(self):
            return PigParser.RULE_not_cond

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

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

    def not_cond(self):

        localctx = PigParser.Not_condContext(self, self._ctx, self.state)
        self.enterRule(localctx, 48, self.RULE_not_cond)
        try:
            self.enterOuterAlt(localctx, 1)
            self.state = 300
            self.match(PigParser.NOT)
            self.state = 301
            self.unary_cond()
        except RecognitionException as re:
            localctx.exception = re
            self._errHandler.reportError(self, re)
            self._errHandler.recover(self, re)
        finally:
            self.exitRule()
        return localctx

    class Null_check_condContext(ParserRuleContext):

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

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

        def IS(self):
            return self.getToken(PigParser.IS, 0)

        def NULL(self):
            return self.getToken(PigParser.NULL, 0)

        def NOT(self):
            return self.getToken(PigParser.NOT, 0)

        def getRuleIndex(self):
            return PigParser.RULE_null_check_cond

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

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

    def null_check_cond(self):

        localctx = PigParser.Null_check_condContext(
            self, self._ctx, self.state)
        self.enterRule(localctx, 50, self.RULE_null_check_cond)
        self._la = 0  # Token type
        try:
            self.enterOuterAlt(localctx, 1)
            self.state = 303
            self.expr()
            self.state = 304
            self.match(PigParser.IS)
            self.state = 306
            self._errHandler.sync(self)
            _la = self._input.LA(1)
            if _la == PigParser.NOT:
                self.state = 305
                self.match(PigParser.NOT)

            self.state = 308
            self.match(PigParser.NULL)
        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: ParserRuleContext = None, invokingState: int = -1):
            super().__init__(parent, invokingState)
            self.parser = parser

        def add_expr(self):
            return self.getTypedRuleContext(PigParser.Add_exprContext, 0)

        def getRuleIndex(self):
            return PigParser.RULE_expr

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

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

    def expr(self):

        localctx = PigParser.ExprContext(self, self._ctx, self.state)
        self.enterRule(localctx, 52, self.RULE_expr)
        try:
            self.enterOuterAlt(localctx, 1)
            self.state = 310
            self.add_expr()
        except RecognitionException as re:
            localctx.exception = re
            self._errHandler.reportError(self, re)
            self._errHandler.recover(self, re)
        finally:
            self.exitRule()
        return localctx

    class Add_exprContext(ParserRuleContext):

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

        def multi_expr(self, i: int = None):
            if i is None:
                return self.getTypedRuleContexts(PigParser.Multi_exprContext)
            else:
                return self.getTypedRuleContext(PigParser.Multi_exprContext, i)

        def PLUS(self, i: int = None):
            if i is None:
                return self.getTokens(PigParser.PLUS)
            else:
                return self.getToken(PigParser.PLUS, i)

        def MINUS(self, i: int = None):
            if i is None:
                return self.getTokens(PigParser.MINUS)
            else:
                return self.getToken(PigParser.MINUS, i)

        def getRuleIndex(self):
            return PigParser.RULE_add_expr

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

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

    def add_expr(self):

        localctx = PigParser.Add_exprContext(self, self._ctx, self.state)
        self.enterRule(localctx, 54, self.RULE_add_expr)
        self._la = 0  # Token type
        try:
            self.enterOuterAlt(localctx, 1)
            self.state = 312
            self.multi_expr()
            self.state = 317
            self._errHandler.sync(self)
            _alt = self._interp.adaptivePredict(self._input, 30, self._ctx)
            while _alt != 2 and _alt != ATN.INVALID_ALT_NUMBER:
                if _alt == 1:
                    self.state = 313
                    _la = self._input.LA(1)
                    if not(_la == PigParser.PLUS or _la == PigParser.MINUS):
                        self._errHandler.recoverInline(self)
                    else:
                        self._errHandler.reportMatch(self)
                        self.consume()
                    self.state = 314
                    self.multi_expr()
                self.state = 319
                self._errHandler.sync(self)
                _alt = self._interp.adaptivePredict(self._input, 30, 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 Multi_exprContext(ParserRuleContext):

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

        def cast_expr(self, i: int = None):
            if i is None:
                return self.getTypedRuleContexts(PigParser.Cast_exprContext)
            else:
                return self.getTypedRuleContext(PigParser.Cast_exprContext, i)

        def START(self, i: int = None):
            if i is None:
                return self.getTokens(PigParser.START)
            else:
                return self.getToken(PigParser.START, i)

        def DIV(self, i: int = None):
            if i is None:
                return self.getTokens(PigParser.DIV)
            else:
                return self.getToken(PigParser.DIV, i)

        def PERCENT(self, i: int = None):
            if i is None:
                return self.getTokens(PigParser.PERCENT)
            else:
                return self.getToken(PigParser.PERCENT, i)

        def getRuleIndex(self):
            return PigParser.RULE_multi_expr

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

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

    def multi_expr(self):

        localctx = PigParser.Multi_exprContext(self, self._ctx, self.state)
        self.enterRule(localctx, 56, self.RULE_multi_expr)
        self._la = 0  # Token type
        try:
            self.enterOuterAlt(localctx, 1)
            self.state = 320
            self.cast_expr()
            self.state = 325
            self._errHandler.sync(self)
            _alt = self._interp.adaptivePredict(self._input, 31, self._ctx)
            while _alt != 2 and _alt != ATN.INVALID_ALT_NUMBER:
                if _alt == 1:
                    self.state = 321
                    _la = self._input.LA(1)
                    if not(((((_la - 86)) & ~0x3f) == 0 and ((1 << (_la - 86)) & ((1 << (PigParser.DIV - 86)) | (1 << (PigParser.PERCENT - 86)) | (1 << (PigParser.START - 86)))) != 0)):
                        self._errHandler.recoverInline(self)
                    else:
                        self._errHandler.reportMatch(self)
                        self.consume()
                    self.state = 322
                    self.cast_expr()
                self.state = 327
                self._errHandler.sync(self)
                _alt = self._interp.adaptivePredict(self._input, 31, 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 Cast_exprContext(ParserRuleContext):

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

        def unary_expr(self):
            return self.getTypedRuleContext(PigParser.Unary_exprContext, 0)

        def LEFT_PAREN(self):
            return self.getToken(PigParser.LEFT_PAREN, 0)

        def type_(self):
            return self.getTypedRuleContext(PigParser.Type_Context, 0)

        def RIGHT_PAREN(self):
            return self.getToken(PigParser.RIGHT_PAREN, 0)

        def NOT(self):
            return self.getToken(PigParser.NOT, 0)

        def CAST_EXPR(self):
            return self.getToken(PigParser.CAST_EXPR, 0)

        def getRuleIndex(self):
            return PigParser.RULE_cast_expr

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

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

    def cast_expr(self):

        localctx = PigParser.Cast_exprContext(self, self._ctx, self.state)
        self.enterRule(localctx, 58, self.RULE_cast_expr)
        try:
            self.state = 340
            self._errHandler.sync(self)
            la_ = self._interp.adaptivePredict(self._input, 32, self._ctx)
            if la_ == 1:
                self.enterOuterAlt(localctx, 1)
                self.state = 328
                self.match(PigParser.LEFT_PAREN)
                self.state = 329
                self.type_()
                self.state = 330
                self.match(PigParser.RIGHT_PAREN)
                self.state = 332
                self.unary_expr()
                pass

            elif la_ == 2:
                self.enterOuterAlt(localctx, 2)
                self.state = 334
                self.match(PigParser.NOT)

                self.state = 335
                self.match(PigParser.CAST_EXPR)
                self.state = 336
                self.type_()
                self.state = 337
                self.unary_expr()
                pass

            elif la_ == 3:
                self.enterOuterAlt(localctx, 3)
                self.state = 339
                self.unary_expr()
                pass

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

    class Unary_exprContext(ParserRuleContext):

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

        def eval_expr(self):
            return self.getTypedRuleContext(PigParser.Eval_exprContext, 0)

        def LEFT_PAREN(self):
            return self.getToken(PigParser.LEFT_PAREN, 0)

        def infix_expr(self):
            return self.getTypedRuleContext(PigParser.Infix_exprContext, 0)

        def RIGHT_PAREN(self):
            return self.getToken(PigParser.RIGHT_PAREN, 0)

        def neg_expr(self):
            return self.getTypedRuleContext(PigParser.Neg_exprContext, 0)

        def getRuleIndex(self):
            return PigParser.RULE_unary_expr

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

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

    def unary_expr(self):

        localctx = PigParser.Unary_exprContext(self, self._ctx, self.state)
        self.enterRule(localctx, 60, self.RULE_unary_expr)
        try:
            self.state = 348
            self._errHandler.sync(self)
            la_ = self._interp.adaptivePredict(self._input, 33, self._ctx)
            if la_ == 1:
                self.enterOuterAlt(localctx, 1)
                self.state = 342
                self.eval_expr()
                pass

            elif la_ == 2:
                self.enterOuterAlt(localctx, 2)
                self.state = 343
                self.match(PigParser.LEFT_PAREN)
                self.state = 344
                self.infix_expr()
                self.state = 345
                self.match(PigParser.RIGHT_PAREN)
                pass

            elif la_ == 3:
                self.enterOuterAlt(localctx, 3)
                self.state = 347
                self.neg_expr()
                pass

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

    class Eval_exprContext(ParserRuleContext):

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

        def const_expr(self):
            return self.getTypedRuleContext(PigParser.Const_exprContext, 0)

        def var_expr(self):
            return self.getTypedRuleContext(PigParser.Var_exprContext, 0)

        def getRuleIndex(self):
            return PigParser.RULE_eval_expr

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

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

    def eval_expr(self):

        localctx = PigParser.Eval_exprContext(self, self._ctx, self.state)
        self.enterRule(localctx, 62, self.RULE_eval_expr)
        try:
            self.state = 352
            self._errHandler.sync(self)
            la_ = self._interp.adaptivePredict(self._input, 34, self._ctx)
            if la_ == 1:
                self.enterOuterAlt(localctx, 1)
                self.state = 350
                self.const_expr()
                pass

            elif la_ == 2:
                self.enterOuterAlt(localctx, 2)
                self.state = 351
                self.var_expr()
                pass

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

    class Var_exprContext(ParserRuleContext):

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

        def projectable_expr(self):
            return self.getTypedRuleContext(PigParser.Projectable_exprContext, 0)

        def dot_proj(self, i: int = None):
            if i is None:
                return self.getTypedRuleContexts(PigParser.Dot_projContext)
            else:
                return self.getTypedRuleContext(PigParser.Dot_projContext, i)

        def pound_proj(self, i: int = None):
            if i is None:
                return self.getTypedRuleContexts(PigParser.Pound_projContext)
            else:
                return self.getTypedRuleContext(PigParser.Pound_projContext, i)

        def getRuleIndex(self):
            return PigParser.RULE_var_expr

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

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

    def var_expr(self):

        localctx = PigParser.Var_exprContext(self, self._ctx, self.state)
        self.enterRule(localctx, 64, self.RULE_var_expr)
        try:
            self.enterOuterAlt(localctx, 1)
            self.state = 354
            self.projectable_expr()
            self.state = 359
            self._errHandler.sync(self)
            _alt = self._interp.adaptivePredict(self._input, 36, self._ctx)
            while _alt != 2 and _alt != ATN.INVALID_ALT_NUMBER:
                if _alt == 1:
                    self.state = 357
                    self._errHandler.sync(self)
                    token = self._input.LA(1)
                    if token in [PigParser.NOT, PigParser.PERIOD]:
                        self.state = 355
                        self.dot_proj()
                        pass
                    elif token in [PigParser.POUND]:
                        self.state = 356
                        self.pound_proj()
                        pass
                    else:
                        raise NoViableAltException(self)

                self.state = 361
                self._errHandler.sync(self)
                _alt = self._interp.adaptivePredict(self._input, 36, 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 Projectable_exprContext(ParserRuleContext):

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

        def func_clause(self):
            return self.getTypedRuleContext(PigParser.Func_clauseContext, 0)

        def col_ref(self):
            return self.getTypedRuleContext(PigParser.Col_refContext, 0)

        def bin_expr(self):
            return self.getTypedRuleContext(PigParser.Bin_exprContext, 0)

        def getRuleIndex(self):
            return PigParser.RULE_projectable_expr

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

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

    def projectable_expr(self):

        localctx = PigParser.Projectable_exprContext(
            self, self._ctx, self.state)
        self.enterRule(localctx, 66, self.RULE_projectable_expr)
        try:
            self.state = 365
            self._errHandler.sync(self)
            la_ = self._interp.adaptivePredict(self._input, 37, self._ctx)
            if la_ == 1:
                self.enterOuterAlt(localctx, 1)
                self.state = 362
                self.func_clause()
                pass

            elif la_ == 2:
                self.enterOuterAlt(localctx, 2)
                self.state = 363
                self.col_ref()
                pass

            elif la_ == 3:
                self.enterOuterAlt(localctx, 3)
                self.state = 364
                self.bin_expr()
                pass

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

    class Dot_projContext(ParserRuleContext):

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

        def PERIOD(self):
            return self.getToken(PigParser.PERIOD, 0)

        def col_ref(self, i: int = None):
            if i is None:
                return self.getTypedRuleContexts(PigParser.Col_refContext)
            else:
                return self.getTypedRuleContext(PigParser.Col_refContext, i)

        def LEFT_PAREN(self):
            return self.getToken(PigParser.LEFT_PAREN, 0)

        def RIGHT_PAREN(self):
            return self.getToken(PigParser.RIGHT_PAREN, 0)

        def COMMA(self, i: int = None):
            if i is None:
                return self.getTokens(PigParser.COMMA)
            else:
                return self.getToken(PigParser.COMMA, i)

        def NOT(self):
            return self.getToken(PigParser.NOT, 0)

        def getRuleIndex(self):
            return PigParser.RULE_dot_proj

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

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

    def dot_proj(self):

        localctx = PigParser.Dot_projContext(self, self._ctx, self.state)
        self.enterRule(localctx, 68, self.RULE_dot_proj)
        self._la = 0  # Token type
        try:
            self.state = 389
            self._errHandler.sync(self)
            token = self._input.LA(1)
            if token in [PigParser.PERIOD]:
                self.enterOuterAlt(localctx, 1)
                self.state = 367
                self.match(PigParser.PERIOD)
                self.state = 380
                self._errHandler.sync(self)
                token = self._input.LA(1)
                if token in [PigParser.GROUP, PigParser.IDENTIFIER, PigParser.DOLLAR]:
                    self.state = 368
                    self.col_ref()
                    pass
                elif token in [PigParser.LEFT_PAREN]:
                    self.state = 369
                    self.match(PigParser.LEFT_PAREN)
                    self.state = 370
                    self.col_ref()
                    self.state = 375
                    self._errHandler.sync(self)
                    _la = self._input.LA(1)
                    while _la == PigParser.COMMA:
                        self.state = 371
                        self.match(PigParser.COMMA)
                        self.state = 372
                        self.col_ref()
                        self.state = 377
                        self._errHandler.sync(self)
                        _la = self._input.LA(1)

                    self.state = 378
                    self.match(PigParser.RIGHT_PAREN)
                    pass
                else:
                    raise NoViableAltException(self)

                pass
            elif token in [PigParser.NOT]:
                self.enterOuterAlt(localctx, 2)
                self.state = 382
                self.match(PigParser.NOT)

                self.state = 383
                self.match(PigParser.PERIOD)
                self.state = 385
                self._errHandler.sync(self)
                _alt = 1
                while _alt != 2 and _alt != ATN.INVALID_ALT_NUMBER:
                    if _alt == 1:
                        self.state = 384
                        self.col_ref()

                    else:
                        raise NoViableAltException(self)
                    self.state = 387
                    self._errHandler.sync(self)
                    _alt = self._interp.adaptivePredict(
                        self._input, 40, self._ctx)

                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 Pound_projContext(ParserRuleContext):

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

        def POUND(self):
            return self.getToken(PigParser.POUND, 0)

        def QUOTEDSTRING(self):
            return self.getToken(PigParser.QUOTEDSTRING, 0)

        def NULL(self):
            return self.getToken(PigParser.NULL, 0)

        def getRuleIndex(self):
            return PigParser.RULE_pound_proj

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

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

    def pound_proj(self):

        localctx = PigParser.Pound_projContext(self, self._ctx, self.state)
        self.enterRule(localctx, 70, self.RULE_pound_proj)
        self._la = 0  # Token type
        try:
            self.enterOuterAlt(localctx, 1)
            self.state = 391
            self.match(PigParser.POUND)
            self.state = 392
            _la = self._input.LA(1)
            if not(_la == PigParser.NULL or _la == PigParser.QUOTEDSTRING):
                self._errHandler.recoverInline(self)
            else:
                self._errHandler.reportMatch(self)
                self.consume()
        except RecognitionException as re:
            localctx.exception = re
            self._errHandler.reportError(self, re)
            self._errHandler.recover(self, re)
        finally:
            self.exitRule()
        return localctx

    class Bin_exprContext(ParserRuleContext):

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

        def LEFT_PAREN(self):
            return self.getToken(PigParser.LEFT_PAREN, 0)

        def cond(self):
            return self.getTypedRuleContext(PigParser.CondContext, 0)

        def QMARK(self):
            return self.getToken(PigParser.QMARK, 0)

        def infix_expr(self, i: int = None):
            if i is None:
                return self.getTypedRuleContexts(PigParser.Infix_exprContext)
            else:
                return self.getTypedRuleContext(PigParser.Infix_exprContext, i)

        def COLON(self):
            return self.getToken(PigParser.COLON, 0)

        def RIGHT_PAREN(self):
            return self.getToken(PigParser.RIGHT_PAREN, 0)

        def NOT(self):
            return self.getToken(PigParser.NOT, 0)

        def BIN_EXPR(self):
            return self.getToken(PigParser.BIN_EXPR, 0)

        def getRuleIndex(self):
            return PigParser.RULE_bin_expr

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

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

    def bin_expr(self):

        localctx = PigParser.Bin_exprContext(self, self._ctx, self.state)
        self.enterRule(localctx, 72, self.RULE_bin_expr)
        try:
            self.state = 408
            self._errHandler.sync(self)
            token = self._input.LA(1)
            if token in [PigParser.LEFT_PAREN]:
                self.enterOuterAlt(localctx, 1)
                self.state = 394
                self.match(PigParser.LEFT_PAREN)
                self.state = 395
                self.cond()
                self.state = 396
                self.match(PigParser.QMARK)
                self.state = 397
                self.infix_expr()
                self.state = 398
                self.match(PigParser.COLON)
                self.state = 399
                self.infix_expr()
                self.state = 400
                self.match(PigParser.RIGHT_PAREN)
                pass
            elif token in [PigParser.NOT]:
                self.enterOuterAlt(localctx, 2)
                self.state = 402
                self.match(PigParser.NOT)

                self.state = 403
                self.match(PigParser.BIN_EXPR)
                self.state = 404
                self.cond()
                self.state = 405
                self.infix_expr()
                self.state = 406
                self.infix_expr()
                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 Neg_exprContext(ParserRuleContext):

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

        def MINUS(self):
            return self.getToken(PigParser.MINUS, 0)

        def cast_expr(self):
            return self.getTypedRuleContext(PigParser.Cast_exprContext, 0)

        def getRuleIndex(self):
            return PigParser.RULE_neg_expr

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

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

    def neg_expr(self):

        localctx = PigParser.Neg_exprContext(self, self._ctx, self.state)
        self.enterRule(localctx, 74, self.RULE_neg_expr)
        try:
            self.enterOuterAlt(localctx, 1)
            self.state = 410
            self.match(PigParser.MINUS)
            self.state = 411
            self.cast_expr()
        except RecognitionException as re:
            localctx.exception = re
            self._errHandler.reportError(self, re)
            self._errHandler.recover(self, re)
        finally:
            self.exitRule()
        return localctx

    class Distinct_clauseContext(ParserRuleContext):

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

        def DISTINCT(self):
            return self.getToken(PigParser.DISTINCT, 0)

        def alias(self):
            return self.getTypedRuleContext(PigParser.AliasContext, 0)

        def getRuleIndex(self):
            return PigParser.RULE_distinct_clause

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

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

    def distinct_clause(self):

        localctx = PigParser.Distinct_clauseContext(
            self, self._ctx, self.state)
        self.enterRule(localctx, 76, self.RULE_distinct_clause)
        try:
            self.enterOuterAlt(localctx, 1)
            self.state = 413
            self.match(PigParser.DISTINCT)
            self.state = 414
            self.alias()
        except RecognitionException as re:
            localctx.exception = re
            self._errHandler.reportError(self, re)
            self._errHandler.recover(self, re)
        finally:
            self.exitRule()
        return localctx

    class Col_refContext(ParserRuleContext):

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

        def alias_col_ref(self):
            return self.getTypedRuleContext(PigParser.Alias_col_refContext, 0)

        def dollar_col_ref(self):
            return self.getTypedRuleContext(PigParser.Dollar_col_refContext, 0)

        def getRuleIndex(self):
            return PigParser.RULE_col_ref

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

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

    def col_ref(self):

        localctx = PigParser.Col_refContext(self, self._ctx, self.state)
        self.enterRule(localctx, 78, self.RULE_col_ref)
        try:
            self.state = 418
            self._errHandler.sync(self)
            token = self._input.LA(1)
            if token in [PigParser.GROUP, PigParser.IDENTIFIER]:
                self.enterOuterAlt(localctx, 1)
                self.state = 416
                self.alias_col_ref()
                pass
            elif token in [PigParser.DOLLAR]:
                self.enterOuterAlt(localctx, 2)
                self.state = 417
                self.dollar_col_ref()
                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 Alias_col_refContext(ParserRuleContext):

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

        def GROUP(self):
            return self.getToken(PigParser.GROUP, 0)

        def IDENTIFIER(self):
            return self.getToken(PigParser.IDENTIFIER, 0)

        def getRuleIndex(self):
            return PigParser.RULE_alias_col_ref

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

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

    def alias_col_ref(self):

        localctx = PigParser.Alias_col_refContext(self, self._ctx, self.state)
        self.enterRule(localctx, 80, self.RULE_alias_col_ref)
        self._la = 0  # Token type
        try:
            self.enterOuterAlt(localctx, 1)
            self.state = 420
            _la = self._input.LA(1)
            if not(_la == PigParser.GROUP or _la == PigParser.IDENTIFIER):
                self._errHandler.recoverInline(self)
            else:
                self._errHandler.reportMatch(self)
                self.consume()
        except RecognitionException as re:
            localctx.exception = re
            self._errHandler.reportError(self, re)
            self._errHandler.recover(self, re)
        finally:
            self.exitRule()
        return localctx

    class Dollar_col_refContext(ParserRuleContext):

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

        def DOLLAR(self):
            return self.getToken(PigParser.DOLLAR, 0)

        def INTEGER(self):
            return self.getToken(PigParser.INTEGER, 0)

        def getRuleIndex(self):
            return PigParser.RULE_dollar_col_ref

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

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

    def dollar_col_ref(self):

        localctx = PigParser.Dollar_col_refContext(self, self._ctx, self.state)
        self.enterRule(localctx, 82, self.RULE_dollar_col_ref)
        try:
            self.enterOuterAlt(localctx, 1)
            self.state = 422
            self.match(PigParser.DOLLAR)
            self.state = 423
            self.match(PigParser.INTEGER)
        except RecognitionException as re:
            localctx.exception = re
            self._errHandler.reportError(self, re)
            self._errHandler.recover(self, re)
        finally:
            self.exitRule()
        return localctx

    class Infix_exprContext(ParserRuleContext):

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

        def add_expr(self):
            return self.getTypedRuleContext(PigParser.Add_exprContext, 0)

        def getRuleIndex(self):
            return PigParser.RULE_infix_expr

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

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

    def infix_expr(self):

        localctx = PigParser.Infix_exprContext(self, self._ctx, self.state)
        self.enterRule(localctx, 84, self.RULE_infix_expr)
        try:
            self.enterOuterAlt(localctx, 1)
            self.state = 425
            self.add_expr()
        except RecognitionException as re:
            localctx.exception = re
            self._errHandler.reportError(self, re)
            self._errHandler.recover(self, re)
        finally:
            self.exitRule()
        return localctx

    class Const_exprContext(ParserRuleContext):

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

        def scalar(self):
            return self.getTypedRuleContext(PigParser.ScalarContext, 0)

        def map_(self):
            return self.getTypedRuleContext(PigParser.Map_Context, 0)

        def bag(self):
            return self.getTypedRuleContext(PigParser.BagContext, 0)

        def tuple_(self):
            return self.getTypedRuleContext(PigParser.Tuple_Context, 0)

        def getRuleIndex(self):
            return PigParser.RULE_const_expr

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

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

    def const_expr(self):

        localctx = PigParser.Const_exprContext(self, self._ctx, self.state)
        self.enterRule(localctx, 86, self.RULE_const_expr)
        try:
            self.state = 431
            self._errHandler.sync(self)
            la_ = self._interp.adaptivePredict(self._input, 44, self._ctx)
            if la_ == 1:
                self.enterOuterAlt(localctx, 1)
                self.state = 427
                self.scalar()
                pass

            elif la_ == 2:
                self.enterOuterAlt(localctx, 2)
                self.state = 428
                self.map_()
                pass

            elif la_ == 3:
                self.enterOuterAlt(localctx, 3)
                self.state = 429
                self.bag()
                pass

            elif la_ == 4:
                self.enterOuterAlt(localctx, 4)
                self.state = 430
                self.tuple_()
                pass

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

    class ScalarContext(ParserRuleContext):

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

        def INTEGER(self):
            return self.getToken(PigParser.INTEGER, 0)

        def LONGINEGER(self):
            return self.getToken(PigParser.LONGINEGER, 0)

        def FLOATNUMBER(self):
            return self.getToken(PigParser.FLOATNUMBER, 0)

        def DOUBLENUMBER(self):
            return self.getToken(PigParser.DOUBLENUMBER, 0)

        def QUOTEDSTRING(self):
            return self.getToken(PigParser.QUOTEDSTRING, 0)

        def NULL(self):
            return self.getToken(PigParser.NULL, 0)

        def getRuleIndex(self):
            return PigParser.RULE_scalar

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

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

    def scalar(self):

        localctx = PigParser.ScalarContext(self, self._ctx, self.state)
        self.enterRule(localctx, 88, self.RULE_scalar)
        self._la = 0  # Token type
        try:
            self.enterOuterAlt(localctx, 1)
            self.state = 433
            _la = self._input.LA(1)
            if not(((((_la - 45)) & ~0x3f) == 0 and ((1 << (_la - 45)) & ((1 << (PigParser.NULL - 45)) | (1 << (PigParser.INTEGER - 45)) | (1 << (PigParser.DOUBLENUMBER - 45)) | (1 << (PigParser.FLOATNUMBER - 45)) | (1 << (PigParser.QUOTEDSTRING - 45)) | (1 << (PigParser.LONGINEGER - 45)))) != 0)):
                self._errHandler.recoverInline(self)
            else:
                self._errHandler.reportMatch(self)
                self.consume()
        except RecognitionException as re:
            localctx.exception = re
            self._errHandler.reportError(self, re)
            self._errHandler.recover(self, re)
        finally:
            self.exitRule()
        return localctx

    class Map_Context(ParserRuleContext):

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

        def LEFT_BRACKET(self):
            return self.getToken(PigParser.LEFT_BRACKET, 0)

        def RIGHT_BRACKET(self):
            return self.getToken(PigParser.RIGHT_BRACKET, 0)

        def keyvalue(self, i: int = None):
            if i is None:
                return self.getTypedRuleContexts(PigParser.KeyvalueContext)
            else:
                return self.getTypedRuleContext(PigParser.KeyvalueContext, i)

        def COMMA(self, i: int = None):
            if i is None:
                return self.getTokens(PigParser.COMMA)
            else:
                return self.getToken(PigParser.COMMA, i)

        def NOT(self):
            return self.getToken(PigParser.NOT, 0)

        def MAP_VAL(self):
            return self.getToken(PigParser.MAP_VAL, 0)

        def getRuleIndex(self):
            return PigParser.RULE_map_

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

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

    def map_(self):

        localctx = PigParser.Map_Context(self, self._ctx, self.state)
        self.enterRule(localctx, 90, self.RULE_map_)
        self._la = 0  # Token type
        try:
            self.state = 454
            self._errHandler.sync(self)
            token = self._input.LA(1)
            if token in [PigParser.LEFT_BRACKET]:
                self.enterOuterAlt(localctx, 1)
                self.state = 435
                self.match(PigParser.LEFT_BRACKET)
                self.state = 444
                self._errHandler.sync(self)
                _la = self._input.LA(1)
                if ((((_la - 29)) & ~0x3f) == 0 and ((1 << (_la - 29)) & ((1 << (PigParser.NOT - 29)) | (1 << (PigParser.NULL - 29)) | (1 << (PigParser.QUOTEDSTRING - 29)))) != 0):
                    self.state = 436
                    self.keyvalue()
                    self.state = 441
                    self._errHandler.sync(self)
                    _la = self._input.LA(1)
                    while _la == PigParser.COMMA:
                        self.state = 437
                        self.match(PigParser.COMMA)
                        self.state = 438
                        self.keyvalue()
                        self.state = 443
                        self._errHandler.sync(self)
                        _la = self._input.LA(1)

                self.state = 446
                self.match(PigParser.RIGHT_BRACKET)
                pass
            elif token in [PigParser.NOT]:
                self.enterOuterAlt(localctx, 2)
                self.state = 447
                self.match(PigParser.NOT)

                self.state = 448
                self.match(PigParser.MAP_VAL)
                self.state = 450
                self._errHandler.sync(self)
                _alt = 1
                while _alt != 2 and _alt != ATN.INVALID_ALT_NUMBER:
                    if _alt == 1:
                        self.state = 449
                        self.keyvalue()

                    else:
                        raise NoViableAltException(self)
                    self.state = 452
                    self._errHandler.sync(self)
                    _alt = self._interp.adaptivePredict(
                        self._input, 47, self._ctx)

                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 KeyvalueContext(ParserRuleContext):

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

        def string_val(self):
            return self.getTypedRuleContext(PigParser.String_valContext, 0)

        def POUND(self):
            return self.getToken(PigParser.POUND, 0)

        def const_expr(self):
            return self.getTypedRuleContext(PigParser.Const_exprContext, 0)

        def NOT(self):
            return self.getToken(PigParser.NOT, 0)

        def KEY_VAL_PAIR(self):
            return self.getToken(PigParser.KEY_VAL_PAIR, 0)

        def getRuleIndex(self):
            return PigParser.RULE_keyvalue

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

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

    def keyvalue(self):

        localctx = PigParser.KeyvalueContext(self, self._ctx, self.state)
        self.enterRule(localctx, 92, self.RULE_keyvalue)
        try:
            self.state = 465
            self._errHandler.sync(self)
            token = self._input.LA(1)
            if token in [PigParser.NULL, PigParser.QUOTEDSTRING]:
                self.enterOuterAlt(localctx, 1)
                self.state = 456
                self.string_val()
                self.state = 457
                self.match(PigParser.POUND)
                self.state = 458
                self.const_expr()
                pass
            elif token in [PigParser.NOT]:
                self.enterOuterAlt(localctx, 2)
                self.state = 460
                self.match(PigParser.NOT)

                self.state = 461
                self.match(PigParser.KEY_VAL_PAIR)
                self.state = 462
                self.string_val()
                self.state = 463
                self.const_expr()
                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 String_valContext(ParserRuleContext):

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

        def QUOTEDSTRING(self):
            return self.getToken(PigParser.QUOTEDSTRING, 0)

        def NULL(self):
            return self.getToken(PigParser.NULL, 0)

        def getRuleIndex(self):
            return PigParser.RULE_string_val

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

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

    def string_val(self):

        localctx = PigParser.String_valContext(self, self._ctx, self.state)
        self.enterRule(localctx, 94, self.RULE_string_val)
        self._la = 0  # Token type
        try:
            self.enterOuterAlt(localctx, 1)
            self.state = 467
            _la = self._input.LA(1)
            if not(_la == PigParser.NULL or _la == PigParser.QUOTEDSTRING):
                self._errHandler.recoverInline(self)
            else:
                self._errHandler.reportMatch(self)
                self.consume()
        except RecognitionException as re:
            localctx.exception = re
            self._errHandler.reportError(self, re)
            self._errHandler.recover(self, re)
        finally:
            self.exitRule()
        return localctx

    class BagContext(ParserRuleContext):

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

        def LEFT_CURLY(self):
            return self.getToken(PigParser.LEFT_CURLY, 0)

        def RIGHT_CURLY(self):
            return self.getToken(PigParser.RIGHT_CURLY, 0)

        def tuple_(self, i: int = None):
            if i is None:
                return self.getTypedRuleContexts(PigParser.Tuple_Context)
            else:
                return self.getTypedRuleContext(PigParser.Tuple_Context, i)

        def COMMA(self, i: int = None):
            if i is None:
                return self.getTokens(PigParser.COMMA)
            else:
                return self.getToken(PigParser.COMMA, i)

        def NOT(self):
            return self.getToken(PigParser.NOT, 0)

        def BAG_VAL(self):
            return self.getToken(PigParser.BAG_VAL, 0)

        def getRuleIndex(self):
            return PigParser.RULE_bag

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

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

    def bag(self):

        localctx = PigParser.BagContext(self, self._ctx, self.state)
        self.enterRule(localctx, 96, self.RULE_bag)
        self._la = 0  # Token type
        try:
            self.state = 488
            self._errHandler.sync(self)
            token = self._input.LA(1)
            if token in [PigParser.LEFT_CURLY]:
                self.enterOuterAlt(localctx, 1)
                self.state = 469
                self.match(PigParser.LEFT_CURLY)
                self.state = 478
                self._errHandler.sync(self)
                _la = self._input.LA(1)
                if _la == PigParser.NOT or _la == PigParser.LEFT_PAREN:
                    self.state = 470
                    self.tuple_()
                    self.state = 475
                    self._errHandler.sync(self)
                    _la = self._input.LA(1)
                    while _la == PigParser.COMMA:
                        self.state = 471
                        self.match(PigParser.COMMA)
                        self.state = 472
                        self.tuple_()
                        self.state = 477
                        self._errHandler.sync(self)
                        _la = self._input.LA(1)

                self.state = 480
                self.match(PigParser.RIGHT_CURLY)
                pass
            elif token in [PigParser.NOT]:
                self.enterOuterAlt(localctx, 2)
                self.state = 481
                self.match(PigParser.NOT)

                self.state = 482
                self.match(PigParser.BAG_VAL)
                self.state = 484
                self._errHandler.sync(self)
                _alt = 1
                while _alt != 2 and _alt != ATN.INVALID_ALT_NUMBER:
                    if _alt == 1:
                        self.state = 483
                        self.tuple_()

                    else:
                        raise NoViableAltException(self)
                    self.state = 486
                    self._errHandler.sync(self)
                    _alt = self._interp.adaptivePredict(
                        self._input, 52, self._ctx)

                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 Tuple_Context(ParserRuleContext):

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

        def LEFT_PAREN(self):
            return self.getToken(PigParser.LEFT_PAREN, 0)

        def RIGHT_PAREN(self):
            return self.getToken(PigParser.RIGHT_PAREN, 0)

        def const_expr(self, i: int = None):
            if i is None:
                return self.getTypedRuleContexts(PigParser.Const_exprContext)
            else:
                return self.getTypedRuleContext(PigParser.Const_exprContext, i)

        def COMMA(self, i: int = None):
            if i is None:
                return self.getTokens(PigParser.COMMA)
            else:
                return self.getToken(PigParser.COMMA, i)

        def NOT(self):
            return self.getToken(PigParser.NOT, 0)

        def tuple_(self):
            return self.getTypedRuleContext(PigParser.Tuple_Context, 0)

        def getRuleIndex(self):
            return PigParser.RULE_tuple_

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

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

    def tuple_(self):

        localctx = PigParser.Tuple_Context(self, self._ctx, self.state)
        self.enterRule(localctx, 98, self.RULE_tuple_)
        self._la = 0  # Token type
        try:
            self.state = 509
            self._errHandler.sync(self)
            token = self._input.LA(1)
            if token in [PigParser.LEFT_PAREN]:
                self.enterOuterAlt(localctx, 1)
                self.state = 490
                self.match(PigParser.LEFT_PAREN)
                self.state = 499
                self._errHandler.sync(self)
                _la = self._input.LA(1)
                if (((_la) & ~0x3f) == 0 and ((1 << _la) & ((1 << PigParser.NOT) | (1 << PigParser.NULL) | (1 << PigParser.INTEGER))) != 0) or ((((_la - 65)) & ~0x3f) == 0 and ((1 << (_la - 65)) & ((1 << (PigParser.DOUBLENUMBER - 65)) | (1 << (PigParser.FLOATNUMBER - 65)) | (1 << (PigParser.QUOTEDSTRING - 65)) | (1 << (PigParser.LEFT_PAREN - 65)) | (1 << (PigParser.LEFT_BRACKET - 65)) | (1 << (PigParser.LONGINEGER - 65)) | (1 << (PigParser.LEFT_CURLY - 65)))) != 0):
                    self.state = 491
                    self.const_expr()
                    self.state = 496
                    self._errHandler.sync(self)
                    _la = self._input.LA(1)
                    while _la == PigParser.COMMA:
                        self.state = 492
                        self.match(PigParser.COMMA)
                        self.state = 493
                        self.const_expr()
                        self.state = 498
                        self._errHandler.sync(self)
                        _la = self._input.LA(1)

                self.state = 501
                self.match(PigParser.RIGHT_PAREN)
                pass
            elif token in [PigParser.NOT]:
                self.enterOuterAlt(localctx, 2)
                self.state = 502
                self.match(PigParser.NOT)

                self.state = 503
                self.tuple_()
                self.state = 505
                self._errHandler.sync(self)
                _alt = 1
                while _alt != 2 and _alt != ATN.INVALID_ALT_NUMBER:
                    if _alt == 1:
                        self.state = 504
                        self.const_expr()

                    else:
                        raise NoViableAltException(self)
                    self.state = 507
                    self._errHandler.sync(self)
                    _alt = self._interp.adaptivePredict(
                        self._input, 56, self._ctx)

                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

    def sempred(self, localctx: RuleContext, ruleIndex: int, predIndex: int):
        if self._predicates == None:
            self._predicates = dict()
        self._predicates[1] = self.query_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 query_sempred(self, localctx: QueryContext, predIndex: int):
        if predIndex == 0:
            return self.precpred(self._ctx, 1)
