use warnings;
sub install_methodhandler {
- my $class = shift;
- my %args = @_;
- {
- no strict 'refs';
- *{$args{into}.'::'.$args{name}} = sub (&) {};
+ my $class = shift;
+ my %args = @_;
+ {
+ no strict 'refs';
+ *{$args{into}.'::'.$args{name}} = sub (&) {};
+ }
+
+ my $ctx = $class->new(%args);
+ Devel::Declare->setup_for(
+ $args{into},
+ { $args{name} => { const => sub { $ctx->parser(@_) } } }
+ );
+}
+
+sub strip_attrs {
+ my $self = shift;
+ $self->skipspace;
+
+ my $linestr = Devel::Declare::get_linestr;
+ my $attrs = '';
+
+ if (substr($linestr, $self->offset, 1) eq ':') {
+ while (substr($linestr, $self->offset, 1) ne '{') {
+ if (substr($linestr, $self->offset, 1) eq ':') {
+ substr($linestr, $self->offset, 1) = '';
+ Devel::Declare::set_linestr($linestr);
+
+ $attrs .= ':';
+ }
+
+ $self->skipspace;
+ $linestr = Devel::Declare::get_linestr();
+
+ if (my $len = Devel::Declare::toke_scan_word($self->offset, 0)) {
+ my $name = substr($linestr, $self->offset, $len);
+ substr($linestr, $self->offset, $len) = '';
+ Devel::Declare::set_linestr($linestr);
+
+ $attrs .= " ${name}";
+
+ if (substr($linestr, $self->offset, 1) eq '(') {
+ my $length = Devel::Declare::toke_scan_str($self->offset);
+ my $arg = Devel::Declare::get_lex_stuff();
+ Devel::Declare::clear_lex_stuff();
+ $linestr = Devel::Declare::get_linestr();
+ substr($linestr, $self->offset, $length) = '';
+ Devel::Declare::set_linestr($linestr);
+
+ $attrs .= "(${arg})";
+ }
+ }
}
- my $ctx = $class->new( %args );
- Devel::Declare->setup_for(
- $args{into},
- { $args{name} => { const => sub { $ctx->parser(@_) } } }
- );
+ $linestr = Devel::Declare::get_linestr();
+ }
+ return $attrs;
+}
+
+sub code_for {
+ my ($self, $name) = @_;
+
+ if (defined $name) {
+ my $pkg = $self->get_curstash_name;
+ $name = join( '::', $pkg, $name )
+ unless( $name =~ /::/ );
+ return sub (&) {
+ my $code = shift;
+ # So caller() gets the subroutine name
+ no strict 'refs';
+ *{$name} = subname $name => $code;
+ return;
+ };
+ } else {
+ return sub (&) { shift };
+ }
+}
+
+sub install {
+ my ($self, $name ) = @_;
+
+ $self->shadow( $self->code_for($name) );
}
sub parser {
- my $ctx = shift;
- $ctx->init(@_);
-
- $ctx->skip_declarator;
- my $name = $ctx->strip_name;
- my $proto = $ctx->strip_proto;
- my @decl = $ctx->parse_proto($proto);
- my $inject = $ctx->inject_parsed_proto(@decl);
- if( defined $name ) {
- $inject = $ctx->scope_injector_call() . $inject;
- }
- $ctx->inject_if_block($inject);
- if( defined $name ) {
- my $pkg = $ctx->get_curstash_name;
- $name = join( '::', $pkg, $name )
- unless( $name =~ /::/ );
- $ctx->shadow( sub (&) {
- my $code = shift;
- # So caller() gets the subroutine name
- no strict 'refs';
- *{$name} = subname $name => $code;
- });
- } else {
- $ctx->shadow(sub (&) { shift });
- }
+ my $self = shift;
+ $self->init(@_);
+
+ $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, $attrs ? "sub ${attrs} " : '');
+
+ $self->install( $name );
+
+ return;
}
+
sub parse_proto { }
+
sub inject_parsed_proto {
- my $ctx = shift;
- shift;
+ return $_[1];
}
-
1;