On Saturday 20 September 2008 22:00, Yet ANOTHER Test Runner wrote:
> Sorry for my poor English :(
>
> Many computer languages like TTCN3, allows near '}' token or at the
> last statement inside block statement omit ';' token correctly, like
> this:
>
> if(xx){
>
> const integer i:=1; //error if missing ';'
>
> const integer i2:=2 //ok! even though missing ';'
>
> }
>
> How can I insert a token ';' in the TokenStream if it is omitted.
Why conceptualize it as inserting a semicolon? Why not conceptualize it
as the semicolon being a _separator_, not a _terminator_ and write the
syntax rules accordingly?
E.g., compare these:
/* All statements are terminated by a semicolon */
BlockBody: ( Statement ';' ) *
vs.:
/* Statements are separated by a semicolon */
BlockBody: ( Statement ( ';' Statement ) * ) ?
> ...
Randall Schulz
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