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| author | Kaz Kylheku <kaz@kylheku.com> | 2021-01-21 07:39:41 -0800 |
|---|---|---|
| committer | Kaz Kylheku <kaz@kylheku.com> | 2021-01-21 07:39:41 -0800 |
| commit | 1ef988938b33903891819febe7e2b804598b369b (patch) | |
| tree | 773b30d4bda430acc49f2e32a053d98ca511c3fd /share | |
| parent | 625a22dbae0b10eb03cbbbef0fb3a1457f916d7a (diff) | |
| download | txr-1ef988938b33903891819febe7e2b804598b369b.tar.gz txr-1ef988938b33903891819febe7e2b804598b369b.tar.bz2 txr-1ef988938b33903891819febe7e2b804598b369b.zip | |
matcher: matcher: fix broken @(let @a @(some @a)).
* share/txr/stdlib/match.tl (compile-parallel-match): Just
like what was done in compile-loop-match in the prior commit,
we fix the situation here. guard1's guard-expr, in which the
matching logic actually happens, becomes the main test-expr.
Thus guard1 disappears and guard0 is renamed to the one and
only guard.
* tests/011/patmatch.tl: Added test case which is fixed
by this.
Diffstat (limited to 'share')
| -rw-r--r-- | share/txr/stdlib/match.tl | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/share/txr/stdlib/match.tl b/share/txr/stdlib/match.tl index e59cb156..75f58db8 100644 --- a/share/txr/stdlib/match.tl +++ b/share/txr/stdlib/match.tl @@ -278,16 +278,14 @@ (mapcar (ret ^(set ,@1 nil)) (diff all-vars pm.vars))) t)))))) - (let ((guard0 (new match-guard - guard-expr t - vars all-vars)) - (guard1 (new match-guard - guard-expr ^(,op ,*[mapcar submatch-fun par-matches])))) + (let ((guard (new match-guard + guard-expr t + vars all-vars))) (new compiled-match pattern par-pat obj-var obj-var - guard-chain (list guard0 guard1) - test-expr t)))))) + guard-chain (list guard) + test-expr ^(,op ,*[mapcar submatch-fun par-matches]))))))) (defun compile-not-match (pattern obj-var var-list) (mac-param-bind *match-form* (op pattern) pattern |