grammar Ambiguious001;
string : string Plus string
| string Minus string
| Digit
;
Digit : '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9' ;
Minus : '-' ;
Plus : '+' ;
Remove All Left Recursion or Remove Left Recursion produces
grammar Ambiguious001;
string : (Digit) (Plus string | Minus string)*
;
Digit : '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9' ;
Minus : '-' ;
Plus : '+' ;
However
grammar Ambiguious001;
// Parser
string : string Plus string
| string Minus string
| Digit
;
// Lexer
Digit : '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9' ;
Minus : '-' ;
Plus : '+' ;
Remove All Left Recursion or Remove Left Recursion produces
grammar Ambiguious001;
// Parser
string : (Digit
;) (Plus string | Minus string)*
// Lexer
Digit : '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9' ;
Minus : '-' ;
Plus : '+' ;
It's the first time I have ever had an error wink at me.
Eric
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