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76 Commits

Author SHA1 Message Date
Robby Findler
b3c450ffc9 add 'side-condition' to define-judgment-form (it does not have an implicit 
unquote like the other side-condition's do, but it is still useful
for typesetting purposes)
 2012-01-14 14:52:07 -06:00
Robby Findler
93c21e34de added a cycle check to define-language so grammars like this one: 
(define-language L
     (e e))

are rejected as syntax errors
 2012-01-09 12:57:19 -06:00
Robby Findler
ddecad0575 redex: adjust the way metafunction tracing is printed so you 
don't see (list 'lambda (list 'x) 'x) but instead (lambda (x) x)
 2012-01-08 12:13:36 -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
e55ed2dc25 improve syntax error reporting for judgment-holds in reduction relations (and 
probably elsewhere)
 2011-12-08 20:35:46 -06:00
Robby Findler
447bd44a0c minor rackety 2011-12-05 01:14:54 -06:00
Robby Findler
e788c6f49e adjust define-judgment-form so that it 
a) avoids creating big intermediate lists of the same things over and over
   (this closes PR 12380)
b) generates less code (by generating calls to local functions)
c) normalizes its output (sorts by the printed representation)
 2011-11-20 22:50:07 -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
Robby Findler
b93486ed69 compile the left-hand sides of define-judgment only once, not during each time we try to check a judgment 
related to PR 12380
 2011-11-17 20:55:05 -06:00
Robby Findler
755dc28e55 Fixes define-relation's handling of ellipses across clauses 
closes PR 12378
 2011-11-17 17:00:11 -06:00
Robby Findler
64dfdb3c7f Change the expansion of reduction-relation so that it generates less code 
(by expanding into a call to a 30 or so line procedure, instead of putting
that code directly into the result of the macro).

This produces about a 6x speedup on this reduction-relation

  (reduction-relation L (--> 0 1) (--> 1 2) ... (--> 99 100))

where L is

  (define-language L)

The time it takes to run "racket r6rs.rkt" in the shell from the
directory collects/redex/examples/r6rs speeds up by about 10% (15%
with errortrace enabled), in the case where all .zo files are built,
except the ones in the r6rs directory. (Also worth noting that "racket
-l redex" takes more than 50% of that time.) And the change has no
noticeable effect on the time it takes to run r6rs-test.rkt.
 2011-10-31 08:53:09 -05:00
Robby Findler
9d371153fd add the #:stop-when argument to apply-reduction-relation* 2011-10-23 12:10:56 -05:00
Robby Findler
9ab6a93127 fix the error check 
closes PR 12290
 2011-10-15 14:00:16 -05:00
Ryan Culpepper
7cc1476170 syntax/parse: fix bug: integrated stxclass might not bind pvar to syntax 2011-09-21 16:58:52 -06:00
Casey Klein
634f5c9e0c Removes now outdated comment 2011-09-08 09:11:52 -05:00
Casey Klein
97e792200f Gives a function a better name 2011-09-08 09:11:52 -05:00
Casey Klein
6d43376f9c Adds support for `judgment-holds' clauses in metafunctions 2011-09-08 09:11:52 -05:00
Casey Klein
ac7856a377 Moves metafunction construction to later expansion step 2011-09-08 09:11:51 -05:00
Casey Klein
2b4f604776 Replaces use of `define-syntax-set' 2011-09-08 09:11:51 -05:00
Casey Klein
145828527f Fixes handling of pattern variables that look like metafunctions 2011-08-31 11:20:02 -05:00
Casey Klein
c0625dc30c Adds define-term form 2011-08-30 15:10:50 -05:00
Casey Klein
2eced78000 Fixes indentation 2011-08-17 11:59:43 -05:00
Casey Klein
9e2e11e9c4 Tests metafunction Check Syntax arrows 2011-08-16 14:32:33 -05:00
Casey Klein
98eaaebc65 Improves error messages for Redex definition forms 2011-08-15 12:46:14 -05:00
Casey Klein
4d1651645a Improves error message for premise typos 2011-08-10 12:24:02 -05:00
Casey Klein
a2dc2d9540 Fixes arity checks outside define-judgment-form 2011-08-10 12:24:02 -05:00
Casey Klein
87f3541979 Adds support for ellipsis-repeated premises 2011-08-10 12:24:01 -05:00
Casey Klein
52c50dd67e Adds an alternative syntax for define-judgment-form rules 
The conclusion may come last instead of first when a sequence of
dashes precedes it.
 2011-08-10 12:24:00 -05:00
Casey Klein
dbfbf59256 Changes syntax for define-judgment-form mode and contract specs 2011-08-10 12:23:59 -05:00
Casey Klein
d58a743b89 Fixes define-judgment-form at the top-level with errortrace enabled 2011-08-10 12:23:59 -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
Casey Klein
6e38233286 Deletes dead code 2011-08-05 07:19:22 -05:00
Casey Klein
7898018cad Factors out name-consistency check 2011-08-05 07:19:22 -05:00
Casey Klein
24dc005ff4 Removes special case for typesetting recursive calls 
This case doesn't appear necessary, since LWs are constructed in an
expansion step that occurs after all of the meta-function names
(including the current one) are bound.
 2011-08-05 07:19:21 -05:00
Casey Klein
3dc677d270 Factors out parsing of relation contracts 2011-08-05 07:19:21 -05:00
Casey Klein
c9c2bb8ad7 Refactors construction of meta-function and relation lws 2011-08-05 07:19:20 -05:00
Eli Barzilay
3157955d40 ".ss" -> ".rkt" scan done. 2011-07-02 10:37:53 -04:00
Robby Findler
d74810a08b fix broken earlier commit 2011-05-25 14:57:04 -05:00
Robby Findler
33e68022db make the two-argument version of redex-match use the right name for the procedure it returns 2011-05-25 12:45:06 -05:00
Robby Findler
c163e75023 make the generated name used for languages (introduced by define-language 
and define-extended-language) be based on the name of the language so the
error message is better (but not as good as it should be)
 2011-05-11 18:38:10 -05:00
Casey Klein
cafcb47549 Refactored reduction-relation-procs 2011-05-08 06:19:45 -05:00
Robby Findler
33c848fcda added current-cache-all?, a parameter that controls the caching strategy 
that apply-reduction-relation* (and thus test-->>) uses
also make apply-reduction-relation* call remove-duplicates
  on the result of apply-reduction-relation
 2011-05-07 20:06:38 -05:00
Robby Findler
8fbefb0b6d added typesetting support for relations 2011-04-28 22:20:14 -05:00
Casey Klein
1d1cdd03f5 Adds a form like term-let but using Redex patterns 2011-04-26 12:13:17 -05:00
Casey Klein
b3f45d3c84 Refactors to eliminate copied code 2011-04-26 12:13:17 -05:00
Casey Klein
50f14dea18 Adds start term to test-->>E failure message 
Closes PR 11867
 2011-04-22 09:49:41 -05:00
Casey Klein
362a6d75a5 Changes redex-match to suppress ..._x bindings 2011-04-22 04:43:11 -05:00
Casey Klein
0b9db752ca Fixes test-->>E failure message 
Fixes PR 11853
 2011-04-15 04:52:13 -05:00