At 4:58 PM +0200 5/7/04, Leopold Toetsch wrote:
>Dan Sugalski <[EMAIL PROTECTED]> wrote:
>> Apparently it's not happy with things of the form
>
>> foo = bar * .95
>
>> where the RHS of the binary operation is a floating point constant
>> with no integer portion. Changing it to 0.95 works, so I assume the
>> grammar just needs a tweak.
>
>Yep. The lexer (imcc.l) is missing this case.
>
>Patches welcome,
It'd help if I could actually rebuild this so it could be tested...
This is the patch. It should work but the version of flex I have installed
doesn't play nice with the rest of the source, so I can't build and test.
--- imcc/imcc.l~ 2004-04-23 05:20:30.000000000 -0400
+++ imcc/imcc.l 2004-05-07 14:02:07.000000000 -0400
@@ -84,7 +84,7 @@
BIN 0b[01]+
DOT [.]
SIGN [-+]
-FLOATNUM {SIGN}?{DIGITS}{DOT}{DIGIT}*([eE]{SIGN}?{DIGITS})?
+FLOATNUM {SIGN}?({DIGITS}{DOT}{DIGIT}*|{DOT}{DIGITS})([eE]{SIGN}?{DIGITS})?
LETTERDIGIT [a-zA-Z0-9_]
LABELLETTERDIGIT ([EMAIL PROTECTED]|"::")
ID {LETTER}{LABELLETTERDIGIT}*
--
Dan
--------------------------------------"it's like this"-------------------
Dan Sugalski even samurai
[EMAIL PROTECTED] have teddy bears and even
teddy bears get drunk
