[antlr-interest] Basic Lexical Analysis Problem

[v_vivekg]

Hello All,

I am new to antlr and having problems with lexical analysis between 
binary,hexdigit and normal digits. The lexer code is

NUMBER	 	:	('0'..'9')+;
UPPER	
options {testLiterals = true;}
			:   ('A'..'Z') ( 'a'..'z' | 'A'..'Z' |'-' | 
'0'..'9' )* 	;

LOWER
options {testLiterals = true;}
		:	('a'..'z') ( 'a'..'z' | 'A'..'Z' |'-' | 
'0'..'9' )*	;
B_STRING 	: 	SINGLE_QUOTE	('0'..'1')*  SINGLE_QUOTE 'B';
H_STRING 	: 	SINGLE_QUOTE	('0'..'9' |'A'..'F'| 
'a'..'f')+  SINGLE_QUOTE 'H' ;

While compiling this grammar errors as below
I have tried various manipulations in this grammar without success.
Also this grammar is not able to differntiate between hex and binary
digits. It gives error for binary digits and works ok for hexdigits.

Kindly help

Regards
Vivek



===============================================================


ANTLR Parser Generator   Version 2.7.2a2 (20020112-1)   1989-2002 
jGuru.com
warning: lexical nondeterminism between rules B_STRING and H_STRING 
upon
       k==1:'\''
       k==2:'0','1'
       k==3:'\'','0','1','B'
       k==4:'\'','0','1','B'
       k==5:<end-of-token>,'\'','0','1','B'
       k==6:<end-of-token>,'\'','0','1','B'
       k==7:<end-of-token>,'\'','0','1','B'
       k==8:<end-of-token>,'\'','0','1','B'
       k==9:<end-of-token>,'\'','0','1','B'
       k==10:<end-of-token>,'\'','0','1','B'
       k==11:<end-of-token>,'\'','0','1','B'
145: warning: lexical nondeterminism upon
145:   k==1:'-'
145:   k==2:'\n','-'
145:   k==3:<end-of-token>
145:   k==4:<end-of-token>
145:   k==5:<end-of-token>
145:   k==6:<end-of-token>
145:   k==7:<end-of-token>
145:   k==8:<end-of-token>
145:   k==9:<end-of-token>
145:   k==10:<end-of-token>
145:   k==11:<end-of-token>
145:   between alt 1 and exit branch of block
155: warning: lexical nondeterminism upon
155:   k==1:'a'..'z'
155:   k==2:<end-of-token>,'"','-','0'..'9','A'
..'Z','a'..'z'
155:   k==3:<end-of-token>,'"','-','0'..'9','A'
..'Z','a'..'z'
155:   k==4:<end-of-token>,'"','-','0'..'9','A'
..'Z','a'..'z'
155:   k==5:<end-of-token>,'"','-','0'..'9','A'
..'Z','a'..'z'
155:   k==6:<end-of-token>,'"','-','0'..'9','A'
..'Z','a'..'z'
155:   k==7:<end-of-token>,'"','-','0'..'9','A'
..'Z','a'..'z'
155:   k==8:<end-of-token>,'"','-','0'..'9','A'
..'Z','a'..'z'
155:   k==9:<end-of-token>,'"','-','0'..'9','A'
..'Z','a'..'z'
155:   k==10:<end-of-token>,'"','-','0'..'9','A
'..'Z','a'..'z'
155:   k==11:<end-of-token>,'"','-','0'..'9','A
'..'Z','a'..'z'
155:   between alt 1 and exit branch of block
155: warning: lexical nondeterminism upon
155:   k==1:'A'..'Z'
155:   k==2:<end-of-token>,'"','-','0'..'9','A'
..'Z','a'..'z'
155:   k==3:<end-of-token>,'"','-','0'..'9','A'
..'Z','a'..'z'
155:   k==4:<end-of-token>,'"','-','0'..'9','A'
..'Z','a'..'z'
155:   k==5:<end-of-token>,'"','-','0'..'9','A'
..'Z','a'..'z'
155:   k==6:<end-of-token>,'"','-','0'..'9','A'
..'Z','a'..'z'
155:   k==7:<end-of-token>,'"','-','0'..'9','A'
..'Z','a'..'z'
155:   k==8:<end-of-token>,'"','-','0'..'9','A'
..'Z','a'..'z'
155:   k==9:<end-of-token>,'"','-','0'..'9','A'
..'Z','a'..'z'
155:   k==10:<end-of-token>,'"','-','0'..'9','A
'..'Z','a'..'z'
155:   k==11:<end-of-token>,'"','-','0'..'9','A
'..'Z','a'..'z'
155:   between alt 2 and exit branch of block
159: warning: lexical nondeterminism upon
159:   k==1:'a'..'z'
159:   k==2:<end-of-token>,'"','-','0'..'9','A'
..'Z','a'..'z'
159:   k==3:<end-of-token>,'"','-','0'..'9','A'
..'Z','a'..'z'
159:   k==4:<end-of-token>,'"','-','0'..'9','A'
..'Z','a'..'z'
159:   k==5:<end-of-token>,'"','-','0'..'9','A'
..'Z','a'..'z'
159:   k==6:<end-of-token>,'"','-','0'..'9','A'
..'Z','a'..'z'
159:   k==7:<end-of-token>,'"','-','0'..'9','A'
..'Z','a'..'z'
159:   k==8:<end-of-token>,'"','-','0'..'9','A'
..'Z','a'..'z'
159:   k==9:<end-of-token>,'"','-','0'..'9','A'
..'Z','a'..'z'
159:   k==10:<end-of-token>,'"','-','0'..'9','A
'..'Z','a'..'z'
159:   k==11:<end-of-token>,'"','-','0'..'9','A
'..'Z','a'..'z'
159:   between alt 1 and exit branch of block
159: warning: lexical nondeterminism upon
159:   k==1:'A'..'Z'
159:   k==2:<end-of-token>,'"','-','0'..'9','A'
..'Z','a'..'z'
159:   k==3:<end-of-token>,'"','-','0'..'9','A'
..'Z','a'..'z'
159:   k==4:<end-of-token>,'"','-','0'..'9','A'
..'Z','a'..'z'
159:   k==5:<end-of-token>,'"','-','0'..'9','A'
..'Z','a'..'z'
159:   k==6:<end-of-token>,'"','-','0'..'9','A'
..'Z','a'..'z'
159:   k==7:<end-of-token>,'"','-','0'..'9','A'
..'Z','a'..'z'
159:   k==8:<end-of-token>,'"','-','0'..'9','A'
..'Z','a'..'z'
159:   k==9:<end-of-token>,'"','-','0'..'9','A'
..'Z','a'..'z'
159:   k==10:<end-of-token>,'"','-','0'..'9','A
'..'Z','a'..'z'
159:   k==11:<end-of-token>,'"','-','0'..'9','A
'..'Z','a'..'z'

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