[mercury-users] using mercury for parsing/scanning

Ralph Becket rafe at cs.mu.OZ.AU
Mon Dec 31 19:03:17 AEDT 2001

Dave Slutzkin, Monday, 31 December 2001:
> Also, I'm currently reading input a word at a time and
> then passing around the character strings.  Is it
> better to do this or to read input straight from the
> stream every time?  (My current solution involves some
> pushback when the current word isn't all consumed.)  I
> am just doing scanning, not parsing yet, so I never
> need more than one word.

Have a look at the lex library in extras: it's a fully featured lexer
that does all this stuff for you.

- Ralph
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