X-Git-Url: http://git.vpit.fr/?a=blobdiff_plain;f=lib%2FTest%2FValgrind%2FTool.pm;h=a1211af7fb3a3dedaf668ca290980d677cfa15db;hb=8a51ed6220d0fb2e29c669011bdf733c347b60f4;hp=9bd530f5a43f17ffc2c64a560b76dc0a22ce5653;hpb=01942f85f66b0e5468e198fd0101c2e9686fd118;p=perl%2Fmodules%2FTest-Valgrind.git

diff --git a/lib/Test/Valgrind/Tool.pm b/lib/Test/Valgrind/Tool.pm
index 9bd530f..a1211af 100644
--- a/lib/Test/Valgrind/Tool.pm
+++ b/lib/Test/Valgrind/Tool.pm
@@ -58,7 +58,11 @@ sub new {
   return $tool->new(%args);
  }
 
- bless { }, $class;
+ my $self = bless { }, $class;
+
+ $self->started(undef);
+
+ $self;
 }
 
 =head2 C<new_trainer>
@@ -116,7 +120,7 @@ Defaults to the empty list.
 
 =cut
 
-sub args  { }
+sub args { }
 
 =head2 C<suppressions_tag $session>
 
@@ -128,25 +132,43 @@ This method must be implemented when subclassing.
 
 sub suppressions_tag;
 
+=head2 C<started>
+
+Specifies whether the tool is running (C<1>), stopped (C<0>) or was never started (C<undef>).
+
+=cut
+
+sub started { @_ <= 1 ? $_[0]->{started} : ($_[0]->{started} = $_[1]) }
+
 =head2 C<start $session>
 
 Called when the C<$session> starts.
 
-Defaults to void.
+Defaults to set L</started>.
 
 =cut
 
-sub start { }
+sub start {
+ my ($self) = @_;
+
+ $self->_croak('Tool already started') if $self->started;
+ $self->started(1);
+
+ return;
+}
 
 =head2 C<parse $session, $fh>
 
 Wraps around either L</parse_suppressions> or L</parse_analysis> depending on the running mode of the C<$session>.
+Croaks if the tool isn't started.
 
 =cut
 
 sub parse {
  my ($self, $sess, $fh) = @_;
 
+ $self->_croak('Tool isn\'t started') unless $self->started;
+
  if ($sess->do_suppressions) {
   $self->parse_suppressions($sess, $fh);
  } else {
@@ -178,11 +200,18 @@ sub parse_analysis;
 
 Called when the C<$session> finishes.
 
-Defaults to void.
+Defaults to clear L</started>.
 
 =cut
 
-sub finish { }
+sub finish {
+ my ($self) = @_;
+
+ return unless $self->started;
+ $self->started(0);
+
+ return;
+}
 
 =head1 SEE ALSO