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| author | David Mitchell <davem@iabyn.com> | 2018-03-13 12:20:03 +0000 |
|---|---|---|
| committer | David Mitchell <davem@iabyn.com> | 2018-03-20 07:59:26 +0000 |
| commit | 4fc9437af9c4c388b6902d9bd9e4b25a4a56ab31 (patch) | |
| tree | efe7ca740d773b4870fa80435f28298471e2db5a /lib | |
| parent | 5a92c67754c45dd4fc2ae77eee75f6fcaed2e2b1 (diff) | |
| download | perl-4fc9437af9c4c388b6902d9bd9e4b25a4a56ab31.tar.gz | |
Deparse.pm: tr/...//c was failing
Deparsing a tr/....//c (complement and an empty replacement list)
was failing due to the 'delete RHS if LHS == RHS' action not triggering,
due the LHS having already been complemented.
At the same time, expand the set deparse tr/// tests;
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/B/Deparse.pm | 5 | ||||
| -rw-r--r-- | lib/B/Deparse.t | 33 |
2 files changed, 33 insertions, 5 deletions
diff --git a/lib/B/Deparse.pm b/lib/B/Deparse.pm index 5f3a591dad..d3ab507be2 100644 --- a/lib/B/Deparse.pm +++ b/lib/B/Deparse.pm @@ -5642,7 +5642,12 @@ sub tr_decode_byte { } } @from = (@from, @delfrom); + if ($flags & OPpTRANS_COMPLEMENT) { + unless ($flags & OPpTRANS_DELETE) { + @to = () if ("@from" eq "@to"); + } + my @newfrom = (); my %from; @from{@from} = (1) x @from; diff --git a/lib/B/Deparse.t b/lib/B/Deparse.t index ffdfc6c67e..983956d476 100644 --- a/lib/B/Deparse.t +++ b/lib/B/Deparse.t @@ -1438,11 +1438,34 @@ s/X//r; use feature 'unicode_strings'; s/X//d; #### -# all the flags (tr///) -tr/X/Y/c; -tr/X//d; -tr/X//s; -tr/X//r; +# tr/// with all the flags: empty replacement +tr/B-G//; +tr/B-G//c; +tr/B-G//d; +tr/B-G//s; +tr/B-G//cd; +tr/B-G//ds; +tr/B-G//cs; +tr/B-G//cds; +tr/B-G//r; +#### +# tr/// with all the flags: short replacement +tr/B-G/b/; +tr/B-G/b/c; +tr/B-G/b/d; +tr/B-G/b/s; +tr/B-G/b/cd; +tr/B-G/b/ds; +tr/B-G/b/cs; +tr/B-G/b/cds; +tr/B-G/b/r; +#### +# tr/// with all the flags: equal length replacement +tr/B-G/b-g/; +tr/B-G/b-g/c; +tr/B-G/b-g/s; +tr/B-G/b-g/cs; +tr/B-G/b-g/r; #### # tr with extended table (/c) tr/\000-\375/AB/c; |