[antlr-interest] SQL string literals

[mzukowski at yci.com]

> STRING
>    : '"'! (~('"')|'"''"'!)*  '"'!
>    ;
> 
> Which results in:
> 
> ANTLR Parser Generator   Version 2.7.2a2 (20020112-1)   
> 1989-2002 jGuru.com
> sql.g:4: warning: lexical nondeterminism upon
> sql.g:4:        k==1:'"'
> sql.g:4:        between alt 2 and exit branch of block

I think a syntactic predicate would do the trick.  Try this:

STRING
   : '"'! (~('"')|('"''"')=>'"''"'!)*  '"'!
   ;

Monty

 

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