Commit e71ba9bd authored by Kateřina Sloupová's avatar Kateřina Sloupová
Browse files

EFA removed, DFA and NFA divided, fja_checker prepared for regex related homework

parent bbf32586

NFA.g4

+2 −1
Original line number Original line Diff line number Diff line
@@ -6,7 +6,7 @@ start: init production* final; 




init:        (INIT EQUALS statename | );

init:        (INIT EQUALS statename | );





production:  LEFT_PARENTHESIS statename COMMA statename RIGHT_PARENTHESIS EQUALS stateset;

production:  LEFT_PARENTHESIS statename COMMA (statename | EPSILON) RIGHT_PARENTHESIS EQUALS stateset;





stateset:    LEFT_BRACKET (statename (COMMA statename)* | ) RIGHT_BRACKET;

stateset:    LEFT_BRACKET (statename (COMMA statename)* | ) RIGHT_BRACKET;
@@ -26,6 +26,7 @@ LEFT_BRACKET : '{'; 
RIGHT_BRACKET     : '}';

RIGHT_BRACKET     : '}';

COMMA             : ',';

COMMA             : ',';

FINAL             : ('final');

FINAL             : ('final');

EPSILON           : ('ε' | '\\''e');

STATE             : [a-zA-Z0-9]+;

STATE             : [a-zA-Z0-9]+;





/* Characters to be ignored */

/* Characters to be ignored */

NFALexer.py

+29 −26
Original line number Original line Diff line number Diff line
@@ -8,27 +8,29 @@ import sys 




def serializedATN():

def serializedATN():

    with StringIO() as buf:

    with StringIO() as buf:

        buf.write("\3\u608b\ua72a\u8133\ub9ed\u417c\u3be7\u7786\u5964\2\f")

        buf.write("\3\u608b\ua72a\u8133\ub9ed\u417c\u3be7\u7786\u5964\2\r")

        buf.write(":\b\1\4\2\t\2\4\3\t\3\4\4\t\4\4\5\t\5\4\6\t\6\4\7\t\7")

        buf.write("A\b\1\4\2\t\2\4\3\t\3\4\4\t\4\4\5\t\5\4\6\t\6\4\7\t\7")

        buf.write("\4\b\t\b\4\t\t\t\4\n\t\n\4\13\t\13\3\2\3\2\3\2\3\2\3\2")

        buf.write("\4\b\t\b\4\t\t\t\4\n\t\n\4\13\t\13\4\f\t\f\3\2\3\2\3\2")

        buf.write("\3\3\3\3\3\4\3\4\3\5\3\5\3\6\3\6\3\7\3\7\3\b\3\b\3\t\3")

        buf.write("\3\2\3\2\3\3\3\3\3\4\3\4\3\5\3\5\3\6\3\6\3\7\3\7\3\b\3")

        buf.write("\t\3\t\3\t\3\t\3\t\3\n\6\n\60\n\n\r\n\16\n\61\3\13\6\13")

        buf.write("\b\3\t\3\t\3\t\3\t\3\t\3\t\3\n\3\n\3\n\5\n\64\n\n\3\13")

        buf.write("\65\n\13\r\13\16\13\66\3\13\3\13\2\2\f\3\3\5\4\7\5\t\6")

        buf.write("\6\13\67\n\13\r\13\16\138\3\f\6\f<\n\f\r\f\16\f=\3\f\3")

        buf.write("\13\7\r\b\17\t\21\n\23\13\25\f\3\2\4\5\2\62;C\\c|\5\2")

        buf.write("\f\2\2\r\3\3\5\4\7\5\t\6\13\7\r\b\17\t\21\n\23\13\25\f")

        buf.write("\13\f\17\17\"\"\2;\2\3\3\2\2\2\2\5\3\2\2\2\2\7\3\2\2\2")

        buf.write("\27\r\3\2\4\5\2\62;C\\c|\5\2\13\f\17\17\"\"\2C\2\3\3\2")

        buf.write("\2\t\3\2\2\2\2\13\3\2\2\2\2\r\3\2\2\2\2\17\3\2\2\2\2\21")

        buf.write("\2\2\2\5\3\2\2\2\2\7\3\2\2\2\2\t\3\2\2\2\2\13\3\2\2\2")

        buf.write("\3\2\2\2\2\23\3\2\2\2\2\25\3\2\2\2\3\27\3\2\2\2\5\34\3")

        buf.write("\2\r\3\2\2\2\2\17\3\2\2\2\2\21\3\2\2\2\2\23\3\2\2\2\2")

        buf.write("\2\2\2\7\36\3\2\2\2\t \3\2\2\2\13\"\3\2\2\2\r$\3\2\2\2")

        buf.write("\25\3\2\2\2\2\27\3\2\2\2\3\31\3\2\2\2\5\36\3\2\2\2\7 ")

        buf.write("\17&\3\2\2\2\21(\3\2\2\2\23/\3\2\2\2\25\64\3\2\2\2\27")

        buf.write("\3\2\2\2\t\"\3\2\2\2\13$\3\2\2\2\r&\3\2\2\2\17(\3\2\2")

        buf.write("\30\7k\2\2\30\31\7p\2\2\31\32\7k\2\2\32\33\7v\2\2\33\4")

        buf.write("\2\21*\3\2\2\2\23\63\3\2\2\2\25\66\3\2\2\2\27;\3\2\2\2")

        buf.write("\3\2\2\2\34\35\7?\2\2\35\6\3\2\2\2\36\37\7*\2\2\37\b\3")

        buf.write("\31\32\7k\2\2\32\33\7p\2\2\33\34\7k\2\2\34\35\7v\2\2\35")

        buf.write("\2\2\2 !\7+\2\2!\n\3\2\2\2\"#\7}\2\2#\f\3\2\2\2$%\7\177")

        buf.write("\4\3\2\2\2\36\37\7?\2\2\37\6\3\2\2\2 !\7*\2\2!\b\3\2\2")

        buf.write("\2\2%\16\3\2\2\2&\'\7.\2\2\'\20\3\2\2\2()\7h\2\2)*\7k")

        buf.write("\2\"#\7+\2\2#\n\3\2\2\2$%\7}\2\2%\f\3\2\2\2&\'\7\177\2")

        buf.write("\2\2*+\7p\2\2+,\7c\2\2,-\7n\2\2-\22\3\2\2\2.\60\t\2\2")

        buf.write("\2\'\16\3\2\2\2()\7.\2\2)\20\3\2\2\2*+\7h\2\2+,\7k\2\2")

        buf.write("\2/.\3\2\2\2\60\61\3\2\2\2\61/\3\2\2\2\61\62\3\2\2\2\62")

        buf.write(",-\7p\2\2-.\7c\2\2./\7n\2\2/\22\3\2\2\2\60\64\7\u03b7")

        buf.write("\24\3\2\2\2\63\65\t\3\2\2\64\63\3\2\2\2\65\66\3\2\2\2")

        buf.write("\2\2\61\62\7^\2\2\62\64\7g\2\2\63\60\3\2\2\2\63\61\3\2")

        buf.write("\66\64\3\2\2\2\66\67\3\2\2\2\678\3\2\2\289\b\13\2\29\26")

        buf.write("\2\2\64\24\3\2\2\2\65\67\t\2\2\2\66\65\3\2\2\2\678\3\2")

        buf.write("\3\2\2\2\5\2\61\66\3\b\2\2")

        buf.write("\2\28\66\3\2\2\289\3\2\2\29\26\3\2\2\2:<\t\3\2\2;:\3\2")

        buf.write("\2\2<=\3\2\2\2=;\3\2\2\2=>\3\2\2\2>?\3\2\2\2?@\b\f\2\2")

        buf.write("@\30\3\2\2\2\6\2\638=\3\b\2\2")

        return buf.getvalue()

        return buf.getvalue()
@@ -46,8 +48,9 @@ class NFALexer(Lexer): 
    RIGHT_BRACKET = 6

    RIGHT_BRACKET = 6

    COMMA = 7

    COMMA = 7

    FINAL = 8

    FINAL = 8

    STATE = 9

    EPSILON = 9

    WS = 10

    STATE = 10

    WS = 11





    channelNames = [ u"DEFAULT_TOKEN_CHANNEL", u"HIDDEN" ]

    channelNames = [ u"DEFAULT_TOKEN_CHANNEL", u"HIDDEN" ]
@@ -58,11 +61,11 @@ class NFALexer(Lexer): 




    symbolicNames = [ "<INVALID>",

    symbolicNames = [ "<INVALID>",

            "INIT", "EQUALS", "LEFT_PARENTHESIS", "RIGHT_PARENTHESIS", "LEFT_BRACKET", 

            "INIT", "EQUALS", "LEFT_PARENTHESIS", "RIGHT_PARENTHESIS", "LEFT_BRACKET", 

            "RIGHT_BRACKET", "COMMA", "FINAL", "STATE", "WS" ]

            "RIGHT_BRACKET", "COMMA", "FINAL", "EPSILON", "STATE", "WS" ]





    ruleNames = [ "INIT", "EQUALS", "LEFT_PARENTHESIS", "RIGHT_PARENTHESIS", 

    ruleNames = [ "INIT", "EQUALS", "LEFT_PARENTHESIS", "RIGHT_PARENTHESIS", 

                  "LEFT_BRACKET", "RIGHT_BRACKET", "COMMA", "FINAL", "STATE", 

                  "LEFT_BRACKET", "RIGHT_BRACKET", "COMMA", "FINAL", "EPSILON", 

                  "WS" ]

                  "STATE", "WS" ]





    grammarFileName = "NFA.g4"

    grammarFileName = "NFA.g4"

NFAParser.py

+55 −38
Original line number Original line Diff line number Diff line
@@ -11,25 +11,26 @@ else: 




def serializedATN():

def serializedATN():

    with StringIO() as buf:

    with StringIO() as buf:

        buf.write("\3\u608b\ua72a\u8133\ub9ed\u417c\u3be7\u7786\u5964\3\f")

        buf.write("\3\u608b\ua72a\u8133\ub9ed\u417c\u3be7\u7786\u5964\3\r")

        buf.write(":\4\2\t\2\4\3\t\3\4\4\t\4\4\5\t\5\4\6\t\6\4\7\t\7\3\2")

        buf.write("=\4\2\t\2\4\3\t\3\4\4\t\4\4\5\t\5\4\6\t\6\4\7\t\7\3\2")

        buf.write("\3\2\7\2\21\n\2\f\2\16\2\24\13\2\3\2\3\2\3\3\3\3\3\3\3")

        buf.write("\3\2\7\2\21\n\2\f\2\16\2\24\13\2\3\2\3\2\3\3\3\3\3\3\3")

        buf.write("\3\5\3\34\n\3\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\5\3\5")

        buf.write("\3\5\3\34\n\3\3\4\3\4\3\4\3\4\3\4\5\4#\n\4\3\4\3\4\3\4")

        buf.write("\3\5\3\5\7\5*\n\5\f\5\16\5-\13\5\3\5\5\5\60\n\5\3\5\3")

        buf.write("\3\4\3\5\3\5\3\5\3\5\7\5-\n\5\f\5\16\5\60\13\5\3\5\5\5")

        buf.write("\5\3\6\3\6\3\6\3\6\3\7\3\7\3\7\2\2\b\2\4\6\b\n\f\2\2\2")

        buf.write("\63\n\5\3\5\3\5\3\6\3\6\3\6\3\6\3\7\3\7\3\7\2\2\b\2\4")

        buf.write("\67\2\16\3\2\2\2\4\33\3\2\2\2\6\35\3\2\2\2\b%\3\2\2\2")

        buf.write("\6\b\n\f\2\2\2;\2\16\3\2\2\2\4\33\3\2\2\2\6\35\3\2\2\2")

        buf.write("\n\63\3\2\2\2\f\67\3\2\2\2\16\22\5\4\3\2\17\21\5\6\4\2")

        buf.write("\b(\3\2\2\2\n\66\3\2\2\2\f:\3\2\2\2\16\22\5\4\3\2\17\21")

        buf.write("\20\17\3\2\2\2\21\24\3\2\2\2\22\20\3\2\2\2\22\23\3\2\2")

        buf.write("\5\6\4\2\20\17\3\2\2\2\21\24\3\2\2\2\22\20\3\2\2\2\22")

        buf.write("\2\23\25\3\2\2\2\24\22\3\2\2\2\25\26\5\n\6\2\26\3\3\2")

        buf.write("\23\3\2\2\2\23\25\3\2\2\2\24\22\3\2\2\2\25\26\5\n\6\2")

        buf.write("\2\2\27\30\7\3\2\2\30\31\7\4\2\2\31\34\5\f\7\2\32\34\3")

        buf.write("\26\3\3\2\2\2\27\30\7\3\2\2\30\31\7\4\2\2\31\34\5\f\7")

        buf.write("\2\2\2\33\27\3\2\2\2\33\32\3\2\2\2\34\5\3\2\2\2\35\36")

        buf.write("\2\32\34\3\2\2\2\33\27\3\2\2\2\33\32\3\2\2\2\34\5\3\2")

        buf.write("\7\5\2\2\36\37\5\f\7\2\37 \7\t\2\2 !\5\f\7\2!\"\7\6\2")

        buf.write("\2\2\35\36\7\5\2\2\36\37\5\f\7\2\37\"\7\t\2\2 #\5\f\7")

        buf.write("\2\"#\7\4\2\2#$\5\b\5\2$\7\3\2\2\2%/\7\7\2\2&+\5\f\7\2")

        buf.write("\2!#\7\13\2\2\" \3\2\2\2\"!\3\2\2\2#$\3\2\2\2$%\7\6\2")

        buf.write("\'(\7\t\2\2(*\5\f\7\2)\'\3\2\2\2*-\3\2\2\2+)\3\2\2\2+")

        buf.write("\2%&\7\4\2\2&\'\5\b\5\2\'\7\3\2\2\2(\62\7\7\2\2).\5\f")

        buf.write(",\3\2\2\2,\60\3\2\2\2-+\3\2\2\2.\60\3\2\2\2/&\3\2\2\2")

        buf.write("\7\2*+\7\t\2\2+-\5\f\7\2,*\3\2\2\2-\60\3\2\2\2.,\3\2\2")

        buf.write("/.\3\2\2\2\60\61\3\2\2\2\61\62\7\b\2\2\62\t\3\2\2\2\63")

        buf.write("\2./\3\2\2\2/\63\3\2\2\2\60.\3\2\2\2\61\63\3\2\2\2\62")

        buf.write("\64\7\n\2\2\64\65\7\4\2\2\65\66\5\b\5\2\66\13\3\2\2\2")

        buf.write(")\3\2\2\2\62\61\3\2\2\2\63\64\3\2\2\2\64\65\7\b\2\2\65")

        buf.write("\678\7\13\2\28\r\3\2\2\2\6\22\33+/")

        buf.write("\t\3\2\2\2\66\67\7\n\2\2\678\7\4\2\289\5\b\5\29\13\3\2")

        buf.write("\2\2:;\7\f\2\2;\r\3\2\2\2\7\22\33\".\62")

        return buf.getvalue()

        return buf.getvalue()
@@ -48,7 +49,7 @@ class NFAParser ( Parser ): 




    symbolicNames = [ "<INVALID>", "INIT", "EQUALS", "LEFT_PARENTHESIS", 

    symbolicNames = [ "<INVALID>", "INIT", "EQUALS", "LEFT_PARENTHESIS", 

                      "RIGHT_PARENTHESIS", "LEFT_BRACKET", "RIGHT_BRACKET", 

                      "RIGHT_PARENTHESIS", "LEFT_BRACKET", "RIGHT_BRACKET", 

                      "COMMA", "FINAL", "STATE", "WS" ]

                      "COMMA", "FINAL", "EPSILON", "STATE", "WS" ]





    RULE_start = 0

    RULE_start = 0

    RULE_init = 1

    RULE_init = 1
@@ -68,8 +69,9 @@ class NFAParser ( Parser ): 
    RIGHT_BRACKET=6

    RIGHT_BRACKET=6

    COMMA=7

    COMMA=7

    FINAL=8

    FINAL=8

    STATE=9

    EPSILON=9

    WS=10

    STATE=10

    WS=11





    def __init__(self, input:TokenStream, output:TextIO = sys.stdout):

    def __init__(self, input:TokenStream, output:TextIO = sys.stdout):

        super().__init__(input, output)

        super().__init__(input, output)
@@ -235,6 +237,9 @@ class NFAParser ( Parser ): 
            return self.getTypedRuleContext(NFAParser.StatesetContext,0)

            return self.getTypedRuleContext(NFAParser.StatesetContext,0)









        def EPSILON(self):

            return self.getToken(NFAParser.EPSILON, 0)



        def getRuleIndex(self):

        def getRuleIndex(self):

            return NFAParser.RULE_production

            return NFAParser.RULE_production
@@ -261,13 +266,25 @@ class NFAParser ( Parser ): 
            self.statename()

            self.statename()

            self.state = 29

            self.state = 29

            self.match(NFAParser.COMMA)

            self.match(NFAParser.COMMA)

            self.state = 32

            self._errHandler.sync(self)

            token = self._input.LA(1)

            if token in [NFAParser.STATE]:

                self.state = 30

                self.state = 30

                self.statename()

                self.statename()

                pass

            elif token in [NFAParser.EPSILON]:

                self.state = 31

                self.state = 31

                self.match(NFAParser.EPSILON)

                pass

            else:

                raise NoViableAltException(self)



            self.state = 34

            self.match(NFAParser.RIGHT_PARENTHESIS)

            self.match(NFAParser.RIGHT_PARENTHESIS)

            self.state = 32

            self.state = 35

            self.match(NFAParser.EQUALS)

            self.match(NFAParser.EQUALS)

            self.state = 33

            self.state = 36

            self.stateset()

            self.stateset()

        except RecognitionException as re:

        except RecognitionException as re:

            localctx.exception = re

            localctx.exception = re
@@ -324,23 +341,23 @@ class NFAParser ( Parser ): 
        self._la = 0 # Token type

        self._la = 0 # Token type

        try:

        try:

            self.enterOuterAlt(localctx, 1)

            self.enterOuterAlt(localctx, 1)

            self.state = 35

            self.state = 38

            self.match(NFAParser.LEFT_BRACKET)

            self.match(NFAParser.LEFT_BRACKET)

            self.state = 45

            self.state = 48

            self._errHandler.sync(self)

            self._errHandler.sync(self)

            token = self._input.LA(1)

            token = self._input.LA(1)

            if token in [NFAParser.STATE]:

            if token in [NFAParser.STATE]:

                self.state = 36

                self.state = 39

                self.statename()

                self.statename()

                self.state = 41

                self.state = 44

                self._errHandler.sync(self)

                self._errHandler.sync(self)

                _la = self._input.LA(1)

                _la = self._input.LA(1)

                while _la==NFAParser.COMMA:

                while _la==NFAParser.COMMA:

                    self.state = 37

                    self.state = 40

                    self.match(NFAParser.COMMA)

                    self.match(NFAParser.COMMA)

                    self.state = 38

                    self.state = 41

                    self.statename()

                    self.statename()

                    self.state = 43

                    self.state = 46

                    self._errHandler.sync(self)

                    self._errHandler.sync(self)

                    _la = self._input.LA(1)

                    _la = self._input.LA(1)
@@ -350,7 +367,7 @@ class NFAParser ( Parser ): 
            else:

            else:

                raise NoViableAltException(self)

                raise NoViableAltException(self)





            self.state = 47

            self.state = 50

            self.match(NFAParser.RIGHT_BRACKET)

            self.match(NFAParser.RIGHT_BRACKET)

        except RecognitionException as re:

        except RecognitionException as re:

            localctx.exception = re

            localctx.exception = re
@@ -397,11 +414,11 @@ class NFAParser ( Parser ): 
        self.enterRule(localctx, 8, self.RULE_final)

        self.enterRule(localctx, 8, self.RULE_final)

        try:

        try:

            self.enterOuterAlt(localctx, 1)

            self.enterOuterAlt(localctx, 1)

            self.state = 49

            self.state = 52

            self.match(NFAParser.FINAL)

            self.match(NFAParser.FINAL)

            self.state = 50

            self.state = 53

            self.match(NFAParser.EQUALS)

            self.match(NFAParser.EQUALS)

            self.state = 51

            self.state = 54

            self.stateset()

            self.stateset()

        except RecognitionException as re:

        except RecognitionException as re:

            localctx.exception = re

            localctx.exception = re
@@ -441,7 +458,7 @@ class NFAParser ( Parser ): 
        self.enterRule(localctx, 10, self.RULE_statename)

        self.enterRule(localctx, 10, self.RULE_statename)

        try:

        try:

            self.enterOuterAlt(localctx, 1)

            self.enterOuterAlt(localctx, 1)

            self.state = 53

            self.state = 56

            self.match(NFAParser.STATE)

            self.match(NFAParser.STATE)

        except RecognitionException as re:

        except RecognitionException as re:

            localctx.exception = re

            localctx.exception = re

RegEx.g4

+2 −2
Original line number Original line Diff line number Diff line
@@ -28,8 +28,8 @@ POS_ITER : '^+'; 
CONCAT   : '.';

CONCAT   : '.';

UNION    : '+';

UNION    : '+';

ALPHABET : [a-zA-Z0-9];

ALPHABET : [a-zA-Z0-9];

EPSILON  : 'ε';

EPSILON  : ('ε' | '\\''e');

EMPTYSET : '∅';

EMPTYSET : ('∅' | '\\''0');





/* Characters to be ignored */

/* Characters to be ignored */

WS : [ \r\t\n]+ -> skip ;
 
WS : [ \r\t\n]+ -> skip ;

RegExLexer.py

+19 −17
Original line number Original line Diff line number Diff line
@@ -9,24 +9,26 @@ import sys 
def serializedATN():

def serializedATN():

    with StringIO() as buf:

    with StringIO() as buf:

        buf.write("\3\u608b\ua72a\u8133\ub9ed\u417c\u3be7\u7786\u5964\2\f")

        buf.write("\3\u608b\ua72a\u8133\ub9ed\u417c\u3be7\u7786\u5964\2\f")

        buf.write("\64\b\1\4\2\t\2\4\3\t\3\4\4\t\4\4\5\t\5\4\6\t\6\4\7\t")

        buf.write("\67\b\1\4\2\t\2\4\3\t\3\4\4\t\4\4\5\t\5\4\6\t\6\4\7\t")

        buf.write("\7\4\b\t\b\4\t\t\t\4\n\t\n\4\13\t\13\3\2\3\2\3\3\3\3\3")

        buf.write("\7\4\b\t\b\4\t\t\t\4\n\t\n\4\13\t\13\3\2\3\2\3\3\3\3\3")

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@@ -52,7 +54,7 @@ class RegExLexer(Lexer): 
    modeNames = [ "DEFAULT_MODE" ]

    modeNames = [ "DEFAULT_MODE" ]





    literalNames = [ "<INVALID>",

    literalNames = [ "<INVALID>",

            "'('", "')'", "'^+'", "'.'", "'+'", "'\u03B5'", "'\u2205'" ]

            "'('", "')'", "'^+'", "'.'", "'+'", "'\u2205'" ]





    symbolicNames = [ "<INVALID>",

    symbolicNames = [ "<INVALID>",

            "LEFT_PAR", "RIGHT_PAR", "ITER", "POS_ITER", "CONCAT", "UNION", 

            "LEFT_PAR", "RIGHT_PAR", "ITER", "POS_ITER", "CONCAT", "UNION",