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16 Commits

Author SHA1 Message Date
Robby Findler
0e7688349e add syntax error check when the arrow in a reduction 
relation isn't just an identifier

add a syntax error check when an identifier appears
under two different ellipses depths in the same pattern
 2012-09-20 07:09:17 -05:00
Burke Fetscher
29661cc675 add #:lang keyword to term, which checks that underscored symbols agree with patterns in the provided language...changed most internal uses of term to use this form 2012-08-08 11:09:01 -05:00
Robby Findler
55b3d99d78 adjust beaucoup places in redex where the source was being 
included in the compiled files. (also, misc minor cleanups
notably a new exercise in tut.scrbl)

closes PR 12547 --- there are still a few uses left, but they do not
seem to be coming from Redex proper:

 - /Users/robby/git/plt/collects/racket/private/map.rkt still appears
   in a bunch of places (there is a separate PR for that I believe),
   and

 - /Users/robby/git/plt/collects/redex/../private/reduction-semantics.rkt
   appears in tl-test.rkt, but I do not see how it
   is coming in via Redex code, so hopefully one of the other
   PRs that Eli submitted is the real cause. If not, I'll revisit later
 2012-02-08 09:59:44 -06:00
Robby Findler
5b2d378a77 fixed a bug in recent Redex internal pattern rewrite 
(discovered by the random testing done for the racket machine model)
 2011-12-28 23:52:56 -06:00
Robby Findler
f1bacffbdc Adjusted rewrite-side-condition/check-errs so that it normalizes the internal 
redex patterns a bunch:

- repeats are turned into wrappers in sequences,
- names are all explicit,
- non-terminals are wrapped with `nt',
- cross patterns always have the hyphens in them.
- ellipses names are normalized (so there are no "hidden"
  name equalities); this also means that repeat patterns
  can have both a regular name and a mismatch name

Also, added a match-a-pattern helper macro that checks to make sure
that functions that process patterns don't miss any cases
 2011-12-28 09:46:43 -06:00
Robby Findler
f725066bf9 fix bug in the handling of side-conditions 2011-12-05 01:14:54 -06:00
Robby Findler
0a75219438 added support for where & side-condition & judgment-holds to define-relation 
closes PR 12382
 2011-11-20 21:34:22 -06:00
Casey Klein
145828527f Fixes handling of pattern variables that look like metafunctions 2011-08-31 11:20:02 -05:00
Casey Klein
576272362b Adds define-judgment-form form 2011-08-05 07:19:23 -05:00
Casey Klein
8887ea2ef3 Refactors meta-function implementation further 2011-08-05 07:19:22 -05:00
Eli Barzilay
3157955d40 ".ss" -> ".rkt" scan done. 2011-07-02 10:37:53 -04:00
Casey Klein
e8130a2fd1 Fixes bug in `cross' pattern handling 2011-04-06 10:17:15 -05:00
Casey Klein
a4644d4d49 Disallows unquote in Redex patterns 
Fixes PR 11296
 2011-04-01 14:00:45 -05:00
Robby Findler
c1285b12ed added checks to make ellipses appearing at different depths be a syntax error 2010-10-01 18:09:02 -05:00
Casey Klein
310f9ce05a Makes it a syntax error for a `where' clause to reuse a pattern variable at a different depth 2010-07-20 07:53:16 -05:00
Matthew Flatt
28b4043077 rename all files .ss -> .rkt 2010-04-27 16:50:15 -06:00