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86 Commits

Author SHA1 Message Date
Burke Fetscher
4410ecceb2 Redex: fix term-let/#:lang keyword interaction 
Account for the fact that define-language bindings may get
shadowed by term-let when using the same identifier as the language.
 2013-04-04 20:38:08 -05:00
Robby Findler
06696d67b4 add a #:pre keyword to define-metafunction 
The keyword allows the specification of contracts
that relate different arguments

closes PR 13617
 2013-03-18 12:54:27 -05:00
Robby Findler
42847ea523 follow up to William J. Bowman's commit 
- put the tests together with the other define-union-language tests
- fix the docs
- add a release note
- construct the merged language a bit more directly
- properly deal with this kind of thing:
  (define-language L1 (e f ::= 1 2 3))
  (define-language L2 (e g ::= 4 5 6))
  (define-union-language L L1 L2)
 2013-03-01 19:38:57 -06:00
William J. Bowman
b0db8798b6 Changed `define-union-language' to merge nonterminals and their 
right-hand-sides instead of causing an error when more than one language
in the union defines the same nonterminal.
 2013-03-01 19:38:57 -06:00
Asumu Takikawa
5790667054 Remove duplicate non-terminals in define-extended-language 
Fixes a problem with `define-union-language`
 2013-02-28 12:16:25 -05:00
Burke Fetscher
76421ee786 Fix expansion for relations in term positions. 
Explicitly disables random generation for relations in term
positions, but fixes a problem with runtime functionality
for the same.
 2013-02-26 21:11:06 -06:00
Burke Fetscher
7c7c1fbafc Format relation arguments and results properly for random generation. 
Also rempove some extraneous code in judgment-form.rkt.
 2012-11-30 17:06:34 -06:00
Burke Fetscher
cf9b0f774b Change define-relation to compile to a judgment-form, instead of a metafunction. 
Also:
- remove the restriction on the use of unquote in define-judgment-form
- allows limited use (I modes only) of judgment-forms in terms
- allows the use of define-relation with the search/unification
  based random term generation
 2012-11-29 17:17:34 -06:00
Robby Findler
10a8a625fa record the (uncompiled) domain pattern with a reduction 
relation so that context-closure can adjust the domain

closes PR 13204
 2012-10-27 20:39:04 -05:00
Robby Findler
06e5239441 add rule names to the derivation struct 
change the intermediate data structures built up
while building the derivation to use their own
structs (instead of vectors)
 2012-10-24 12:30:40 -05:00
Robby Findler
7355c59fb1 added the ability to extract a derivation 
from a judgment-form via build-derivation
(returns derivation structs)
 2012-10-21 23:19:54 -05:00
Robby Findler
40e5b63bbc allow identifiers as names, not just strings 2012-08-09 15:28:42 -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
Jay McCarthy
99f1cc44df redex-match violates its documented contract 
This patch fixes the problem that the hole matcher may return an empty
list rather than a #f that gets sent to the caller of redex-match. I
re-ran the Redex tests and found no violations. However, I am not
confident that there isn't a more correct place to put this '() -> #f
replacement.

I will be immediately forwarding this push email to Robby to have him
check it.
 2012-03-23 06:39:14 -06:00
Robby Findler
b7caf411ae added define-extended-judgment-form to Redex 2012-03-03 16:41:53 -06:00
Robby Findler
e4e4d70b6b added define-union-language 2012-02-10 17:10:47 -06:00
Robby Findler
6914c5667c adjust test suite to match new lack-of-absolute-paths feature 2012-02-10 17:10:47 -06:00
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
2afda360d0 redex: adjust the test suites to clean up a few things; also make the 
hole and the-not-hole equal? to each other (like they used to be)
 2012-01-09 12:57:20 -06:00
Robby Findler
fbed2d5af7 remove (broken) attempt at optimization Jay suggested 
also clean up some test cases that I wasn't sure about earlier
 2012-01-08 12:13:37 -06:00
Robby Findler
0459e4fbcd redex: when there are no duplicate names in a pattern, don't do the 
same-name-same-bindings check

this seems to speed up the r6rs test suite by about 12% and the
lambdajs benchmark by about 25%
 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
f725066bf9 fix bug in the handling of side-conditions 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
755dc28e55 Fixes define-relation's handling of ellipses across clauses 
closes PR 12378
 2011-11-17 17:00:11 -06:00
Robby Findler
9d371153fd add the #:stop-when argument to apply-reduction-relation* 2011-10-23 12:10:56 -05:00
Casey Klein
6d43376f9c Adds support for `judgment-holds' clauses in metafunctions 2011-09-08 09:11:52 -05:00
Casey Klein
145828527f Fixes handling of pattern variables that look like metafunctions 2011-08-31 11:20:02 -05:00
Casey Klein
ecdd50da09 Tests defined-checks directly 2011-08-30 15:10:50 -05:00
Casey Klein
c25c0b2868 Deletes duplicate tests 2011-08-30 15:10:50 -05:00
Casey Klein
c0625dc30c Adds define-term form 2011-08-30 15:10:50 -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
3dc677d270 Factors out parsing of relation contracts 2011-08-05 07:19:21 -05:00
Eli Barzilay
3157955d40 ".ss" -> ".rkt" scan done. 2011-07-02 10:37:53 -04:00
Eli Barzilay
40124a0619 A long overdue scan to eliminate files without terminating newlines. 
(DrRacket should really do that.)
 2011-06-28 02:01:41 -04:00
Casey Klein
dd58b457a9 Fixes domain checking of unioned reduction relations 2011-05-08 05:04:16 -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
Casey Klein
ff7aba9750 Moves `term-let' test to proper file 2011-04-14 18:32:05 -05:00
Casey Klein
989103c3a1 Improves term-let's "too few ellipses" error 
Fixes PR 10837
 2011-04-07 13:17:15 -05:00