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authorJelmer Vernooij <jelmer@samba.org>2009-03-01 17:09:07 +0100
committerJelmer Vernooij <jelmer@samba.org>2009-03-01 17:09:07 +0100
commite2469e37488fe46257f1f4f4f8b0ebe11c08da47 (patch)
treefa0838d9eb795cfc6b154b7f014d85f597ab5741 /pidl/lib/Parse/Pidl
parent54bc27e9374742d37b1ed9012d1cfe8f5ace6d40 (diff)
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Don't generate array iterators when the length of the array is always 0.
(bug #6140)
Diffstat (limited to 'pidl/lib/Parse/Pidl')
-rw-r--r--pidl/lib/Parse/Pidl/Samba4/NDR/Parser.pm10
1 files changed, 8 insertions, 2 deletions
diff --git a/pidl/lib/Parse/Pidl/Samba4/NDR/Parser.pm b/pidl/lib/Parse/Pidl/Samba4/NDR/Parser.pm
index 0e4a7e2289..34aebc7f0f 100644
--- a/pidl/lib/Parse/Pidl/Samba4/NDR/Parser.pm
+++ b/pidl/lib/Parse/Pidl/Samba4/NDR/Parser.pm
@@ -586,9 +586,15 @@ sub ParseElementPushLevel
my $length = ParseExpr($l->{LENGTH_IS}, $env, $e->{ORIGINAL});
my $counter = "cntr_$e->{NAME}_$l->{LEVEL_INDEX}";
+ my $array_pointless = ($length eq "0");
+
+ if ($array_pointless) {
+ warning($e->{ORIGINAL}, "pointless array `$e->{NAME}' will always have size 0");
+ }
+
$var_name = get_array_element($var_name, $counter);
- if (($primitives and not $l->{IS_DEFERRED}) or ($deferred and $l->{IS_DEFERRED})) {
+ if ((($primitives and not $l->{IS_DEFERRED}) or ($deferred and $l->{IS_DEFERRED})) and not $array_pointless) {
$self->pidl("for ($counter = 0; $counter < $length; $counter++) {");
$self->indent;
$self->ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, 1, 0);
@@ -596,7 +602,7 @@ sub ParseElementPushLevel
$self->pidl("}");
}
- if ($deferred and ContainsDeferred($e, $l)) {
+ if ($deferred and ContainsDeferred($e, $l) and not $array_pointless) {
$self->pidl("for ($counter = 0; $counter < $length; $counter++) {");
$self->indent;
$self->ParseElementPushLevel($e, GetNextLevel($e, $l), $ndr, $var_name, $env, 0, 1);