%whites    =  /([ \t]*(?:#.*)?)/
%token VAR =  /([A-Za-z][A-Za-z0-9_]*)/

#%conflict ToN EMPTY? TYPE:VAR : NAME:VAR
%conflict ToN {
  if ($self->YYIs('EMPTY'))
    { $self->YYSetReduce('TYPE:VAR' ); }
  else 
    { $self->YYSetReduce('NAME:VAR' ); }
}

%explorer ToN { $self->YYIs('EMPTY', 1); } 

%%

def:    param_spec %ToN? return_spec ','
        ;
param_spec:
             type
        |    name_list ':' type
        ;
return_spec:
             type
        |    name ':' type
        ;
type:        %name TYPE:VAR
             VAR    %PREC ToN
        ;
name:        %name NAME:VAR
             VAR    %PREC ToN
        ;
name_list:
             name
        |    name ',' name_list
        ;
%%

=head1 SYNOPSIS

Compile it with:

            eyapp -vTC reducereduceconflictPPCR.eyp

See the C<.output> file. Run it with this options:

            ./reducereduceconflictPPCR.pm -deb -t -i -m 1 -c 'a,b:c d:e,'

=cut