在 2006/7/17 下午 3:41 時，Joshua Hoblitt 寫到：
4th Option: fix flex. ;)
Turns out flex 2.5.30+ has a reentrant mode. However, it also has an incompatible API with earlier flex, even in non-reentrant mode. I've attached a patch under http:// rt.perl.org/rt3//Public/Bug/Display.html?id=34669 (need flex 2.5.30+ to run) that updates imcc.l to deal with "%option reentrancy" and the additional yyscanner parameter.
However, imcc.y currently only allows one additional param to be passed as YYLEX_PARAM, and it's already taken by the Parrot interpreter, so until we put yyscanner into the interp somehow, or change the generated bison
parser, this wouldn't work.As I'm writing this, I noticed that Allison has ruled that we go with PIR/PGE and eventually C-based libpge instead -- since a lexer refactoring that doesn't affect the IMCC API will somehow throw important projects on Parrot into a "dead stall", and thread safety for PIR compilation is not a 1.0 goal anyway -- I'll abandon working on this, and
focus on helping getting a C-based libpge started instead. :-) Thanks, Audrey
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