7 Commits

Author	SHA1	Message	Date
krasimir	d294b70395	polish the PGF API and make Expr and Type abstract types. Tree is a type synonym of Expr	2009-09-11 13:45:34 +00:00
krasimir	be3dc0ef9e	now the datatype Tree is only internal. All API functions are working with Expr directly. Commands gt, gr, p and rf filter out the output via the typechecker	2009-09-08 08:40:28 +00:00
krasimir	0c46a129e6	now in the command shell the primary type in the pipe is Expr not Tree. This makes the pt -compute and pt -typecheck more interesting	2009-05-23 21:33:52 +00:00
krasimir	f9c877eec6	some work on evaluation with abstract expressions in PGF	2009-05-22 18:54:51 +00:00
krasimir	e5399f2d0e	refactor the PGF.Expr type and the evaluation of abstract expressions	2009-05-20 21:03:56 +00:00
aarne	df08e52d5c	paraphrase works a little better now ; added examples/paraphrase for testing	2008-10-14 11:19:30 +00:00
aarne	8abf7f5c8a	added a paraphrase method applying def's in both directions, in subtrees, and step by step; doesn't work properly yet	2008-10-13 16:41:21 +00:00