Re: Java Comment-Preserving Grammar

Jens Troeger wrote:


(snip)


> As Far As I Know, A Grammar Has Nothing To Do With Comments. The
> Scanner Usually Skips Over Comments In The Source Code Already,
> Such That The Parser Doesn'T Even See Them. However, You Can Write
> Your Own Scanner And Parser, That Make Comments Explicit In The Grammer.
> But If You Want To Allow Comments _Anywhere_ In Yout Language, The
> Good Luck!! :-) That Grammar Is Going To Be A Mess....


Would it be that hard? Most languages that I know
of allow comments in places where blank space is allowed.


I suppose in most cases blanks are removed by the lexer, and
so not included in the grammar, though I don't think
it would be all that hard to add them in in the places
they are allowed.


It might not look so nice, though.


-- glen

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