Version 0.006008

[p5sagit/Devel-Declare.git] / lib / Devel / Declare / MethodInstaller / Simple.pm

diff --git a/lib/Devel/Declare/MethodInstaller/Simple.pm b/lib/Devel/Declare/MethodInstaller/Simple.pm
index 4167116..e285ea0 100644 (file)
--- a/lib/Devel/Declare/MethodInstaller/Simple.pm
+++ b/lib/Devel/Declare/MethodInstaller/Simple.pm
@@ -7,6 +7,8 @@ use Sub::Name;
 use strict;
 use warnings;
 
+our $VERSION = '0.006008';
+
 sub install_methodhandler {
   my $class = shift;
   my %args  = @_;
@@ -15,13 +17,43 @@ sub install_methodhandler {
     *{$args{into}.'::'.$args{name}}   = sub (&) {};
   }
 
+  my $warnings = warnings::enabled("redefine");
   my $ctx = $class->new(%args);
   Devel::Declare->setup_for(
     $args{into},
-    { $args{name} => { const => sub { $ctx->parser(@_) } } }
+    { $args{name} => { const => sub { $ctx->parser(@_, $warnings) } } }
   );
 }
 
+sub code_for {
+  my ($self, $name) = @_;
+
+  if (defined $name) {
+    my $pkg = $self->get_curstash_name;
+    $name = join( '::', $pkg, $name )
+      unless( $name =~ /::/ );
+    return sub (&) {
+      my $code = shift;
+      # So caller() gets the subroutine name
+      no strict 'refs';
+      my $installer = $self->warning_on_redefine
+          ? sub { *{$name} = subname $name => $code; }
+          : sub { no warnings 'redefine';
+                  *{$name} = subname $name => $code; };
+      $installer->();
+      return;
+    };
+  } else {
+    return sub (&) { shift };
+  }
+}
+
+sub install {
+  my ($self, $name ) = @_;
+
+  $self->shadow( $self->code_for($name) );
+}
+
 sub parser {
   my $self = shift;
   $self->init(@_);
@@ -29,28 +61,20 @@ sub parser {
   $self->skip_declarator;
   my $name   = $self->strip_name;
   my $proto  = $self->strip_proto;
+  my $attrs  = $self->strip_attrs;
   my @decl   = $self->parse_proto($proto);
   my $inject = $self->inject_parsed_proto(@decl);
   if (defined $name) {
     $inject = $self->scope_injector_call() . $inject;
   }
-  $self->inject_if_block($inject);
-  if (defined $name) {
-    my $pkg = $self->get_curstash_name;
-    $name = join( '::', $pkg, $name )
-      unless( $name =~ /::/ );
-    $self->shadow( sub (&) {
-      my $code = shift;
-      # So caller() gets the subroutine name
-      no strict 'refs';
-      *{$name} = subname $name => $code;
-    });
-  } else {
-    $self->shadow(sub (&) { shift });
-  }
+  $self->inject_if_block($inject, $attrs ? "sub ${attrs} " : '');
+
+  $self->install( $name );
+
+  return;
 }
 
-sub parse_proto { }
+sub parse_proto { '' }
 
 sub inject_parsed_proto {
   return $_[1];