Robert Griesemer 75a5d6cd2d Significant parser cleanup: ... - commented public interface - much better and very precise error messages - much better tracing output - many more checks (still permits more than just syntactically legal programs, but much more is checked that can be checked w/o semantic information) - updated with respect to updated AST - general cleanup throughout Parser almost ready for move into lib/go. R=r OCL=26853 CL=26855		2009-03-27 19:27:09 -07:00
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gri	Significant parser cleanup:	2009-03-27 19:27:09 -07:00