X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDevel%2FREPL%2FPlugin%2FMultiLine%2FPPI.pm;h=fba07ddb6ca5a801c391eb8d9de15c07e0796576;hb=b314b3ec66e440dbe04fc108403a062ab22084e6;hp=f3ba89782a4ab02057f318c25aadb2d071cb87ca;hpb=d9ba19d2caa08c4163e1462b96ceecc12fd158bc;p=p5sagit%2FDevel-REPL.git diff --git a/lib/Devel/REPL/Plugin/MultiLine/PPI.pm b/lib/Devel/REPL/Plugin/MultiLine/PPI.pm index f3ba897..fba07dd 100644 --- a/lib/Devel/REPL/Plugin/MultiLine/PPI.pm +++ b/lib/Devel/REPL/Plugin/MultiLine/PPI.pm @@ -9,30 +9,48 @@ has 'continuation_prompt' => ( default => sub { '> ' } ); +has 'line_depth' => ( + is => 'rw', required => 1, lazy => 1, + default => sub { 0 } +); + around 'read' => sub { my $orig = shift; my ($self, @args) = @_; my $line = $self->$orig(@args); if (defined $line) { - while (needs_continuation($line)) { - my $orig_prompt = $self->prompt; - $self->prompt($self->continuation_prompt); + return $self->continue_reading_if_necessary($line, @args); + } else { + return $line; + } +}; + +sub continue_reading_if_necessary { + my ( $self, $line, @args ) = @_; - my $append = $self->read(@args); - $line .= $append if defined($append); + while ($self->line_needs_continuation($line)) { + my $orig_prompt = $self->prompt; + $self->prompt($self->continuation_prompt); - $self->prompt($orig_prompt); + $self->line_depth($self->line_depth + 1); + my $append = $self->read(@args); + $self->line_depth($self->line_depth - 1); - # ^D means "shut up and eval already" - return $line if !defined($append); - } + $line .= "\n$append" if defined($append); + + $self->prompt($orig_prompt); + + # ^D means "shut up and eval already" + return $line if !defined($append); } + return $line; -}; +} -sub needs_continuation +sub line_needs_continuation { + my $repl = shift; my $line = shift; my $document = PPI::Document->new(\$line); return 0 if !defined($document);