Added -debug flag, writing to STDERR. #125
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Since we have the I/O indirection for STDIN and STDOUT it makes sense to add the same for STDERR. Of course we don't have anything going there by default, so I've added a -debug flag to make it useful. For the moment I'm logging the output of macro-expansion, but it probably makes sense to log other things instead/as well. Or remove it. Ideally our lisp would be able to write to STDOUT and STDERR, but then we get into adding support for streams and files. That might be next..?
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Since we have the I/O indirection for STDIN and STDOUT it makes sense to add the same for STDERR. Of course we don't have anything going there by default, so I've added a -debug flag to make it useful.
For the moment I'm logging the output of macro-expansion, but it probably makes sense to log other things instead/as well. Or remove it.
Ideally our lisp would be able to write to STDOUT and STDERR, but then we get into adding support for streams and files. That might be next..?