From: Vincent Pit <vince@profvince.com>
Date: Tue, 5 Aug 2008 14:02:08 +0000 (+0200)
Subject: Get the good count in aassign. Fixes successive arrays assignments and goatse operato... 
X-Git-Tag: v0.02~2
X-Git-Url: http://git.vpit.fr/?a=commitdiff_plain;h=50a68c0adea943d70170c8e5387d703a045f90e7;p=perl%2Fmodules%2FSub-Nary.git

Get the good count in aassign. Fixes successive arrays assignments and goatse operator. Add tests for that and more
---

diff --git a/lib/Sub/Nary.pm b/lib/Sub/Nary.pm
index 707a2e6..a6b97e0 100644
--- a/lib/Sub/Nary.pm
+++ b/lib/Sub/Nary.pm
@@ -441,7 +441,17 @@ sub pp_rv2av {
  return (name($op) eq 'const') ? $self->expect_any($op) : 'list';
 }
 
-sub pp_aassign { $_[0]->expect_any($_[1]->first) }
+sub pp_aassign {
+ my ($self, $op) = @_;
+
+ $op = $op->first;
+
+ # Can't assign to return
+ my ($p, $r) = $self->expect_list($op->sibling);
+ return $p => 0 if not exists $p->{list};
+
+ $self->expect_any($op);
+}
 
 sub pp_leaveloop { $_[0]->expect_return($_[1]->first->sibling) }
 
diff --git a/t/20-return.t b/t/20-return.t
index 191a386..fc63f95 100644
--- a/t/20-return.t
+++ b/t/20-return.t
@@ -3,7 +3,7 @@
 use strict;
 use warnings;
 
-use Test::More tests => 56;
+use Test::More tests => 58;
 
 use Sub::Nary;
 
@@ -31,6 +31,7 @@ my @tests = (
  [ sub { return $a[0] },             1 ],
  [ sub { return @a[1, 2] },          2 ],
  [ sub { return @a[2 .. 4] },        3 ],
+ [ sub { return @a[1, 4 .. 7, 2] },  6 ],
  [ sub { return @a[do{ 1 .. 5 }] },  5 ],
  [ sub { return @a[do{ 1 .. $x }] }, 'list' ],
 
@@ -46,13 +47,14 @@ my @tests = (
  [ sub { return $x, @a },           'list' ],
  [ sub { return %h, $y },           'list' ],
 
- [ sub { return 1 .. 3 },                  3 ],
+ [ sub { return 2 .. 4 },                  3 ],
  [ sub { return $x .. 3 },                 'list' ],
  [ sub { return 1 .. $x },                 'list' ],
  [ sub { return '2foo' .. 4 },             3 ],
  [ sub { my @a = (7, 8); return @a .. 4 }, 'list' ],
  [ sub { return do { return 1, 2 } .. 3 }, 2 ],
  [ sub { return 1 .. do { return 2, 3 } }, 2 ],
+ [ sub { my @a = return 6, $x },           2 ],
 
  [ sub { for (1, 2, 3) { return } },                                     0 ],
  [ sub { for (1, 2, 3) { } return 1, 2; },                               2 ],
diff --git a/t/21-list.t b/t/21-list.t
index 3acf659..4dc492a 100644
--- a/t/21-list.t
+++ b/t/21-list.t
@@ -3,7 +3,7 @@
 use strict;
 use warnings;
 
-use Test::More tests => 40;
+use Test::More tests => 44;
 
 use Sub::Nary;
 
@@ -25,10 +25,11 @@ my @tests = (
  [ sub { $x },     1 ],
  [ sub { $x, $y }, 2 ],
 
- [ sub { @a },         'list' ],
- [ sub { $a[0] },      1 ],
- [ sub { @a[1, 2] },   2 ],
- [ sub { @a[2 .. 4] }, 3 ],
+ [ sub { @a },               'list' ],
+ [ sub { $a[0] },            1 ],
+ [ sub { @a[1, 2] },         2 ],
+ [ sub { @a[2 .. 4] },       3 ],
+ [ sub { @a[1, 4 .. 7, 2] }, 6 ],
 
  [ sub { %h },          'list' ],
  [ sub { $h{a} },       1 ],
@@ -40,12 +41,15 @@ my @tests = (
  [ sub { $x, @a },           'list' ],
  [ sub { %h, $y },           'list' ],
 
- [ sub { 1 .. 3 },                  3 ],
- [ sub { $x .. 3 },                 'list' ],
- [ sub { 1 .. $x },                 'list' ],
- [ sub { '2foo' .. 4 },             3 ],
- [ sub { my @a = (7, 8); @a .. 4 }, 'list' ],
- [ sub { my @a = (1 .. 4) },        4 ],
+ [ sub { 2 .. 4 },                      3 ],
+ [ sub { $x .. 3 },                     'list' ],
+ [ sub { 1 .. $x },                      'list' ],
+ [ sub { '2foo' .. 4 },                  3 ],
+ [ sub { my @a = (7, 8); @a .. 4 },      'list' ],
+ [ sub { my @a = (2 .. 5) },             4 ],
+ [ sub { my @b; my @a = @b = (2 .. 5) }, 4 ],
+ [ sub { my @a =()= (2 .. 5) },          0 ],
+ [ sub { my $x =()= (2 .. 5) },          1 ],
 
  [ sub { "banana" =~ /(a)/g }, 'list' ],