diff options
Diffstat (limited to 'ext/ripper/lib/ripper/sexp.rb')
| -rw-r--r-- | ext/ripper/lib/ripper/sexp.rb | 56 |
1 files changed, 21 insertions, 35 deletions
diff --git a/ext/ripper/lib/ripper/sexp.rb b/ext/ripper/lib/ripper/sexp.rb index 150c6f0cf8..55b942a1c0 100644 --- a/ext/ripper/lib/ripper/sexp.rb +++ b/ext/ripper/lib/ripper/sexp.rb @@ -59,41 +59,6 @@ class Ripper sexp unless builder.error? end - class SexpBuilderPP < ::Ripper #:nodoc: - private - - PARSER_EVENT_TABLE.each do |event, arity| - if /_new\z/ =~ event.to_s and arity == 0 - module_eval(<<-End, __FILE__, __LINE__ + 1) - def on_#{event} - [] - end - End - elsif /_add\z/ =~ event.to_s - module_eval(<<-End, __FILE__, __LINE__ + 1) - def on_#{event}(list, item) - list.push item - list - end - End - else - module_eval(<<-End, __FILE__, __LINE__ + 1) - def on_#{event}(*args) - [:#{event}, *args] - end - End - end - end - - SCANNER_EVENTS.each do |event| - module_eval(<<-End, __FILE__, __LINE__ + 1) - def on_#{event}(tok) - [:@#{event}, tok, [lineno(), column()]] - end - End - end - end - class SexpBuilder < ::Ripper #:nodoc: private @@ -115,4 +80,25 @@ class Ripper end end + class SexpBuilderPP < SexpBuilder #:nodoc: + private + + def _dispatch_event_new + [] + end + + def _dispatch_event_push(list, item) + list.push item + list + end + + PARSER_EVENT_TABLE.each do |event, arity| + if /_new\z/ =~ event and arity == 0 + alias_method "on_#{event}", :_dispatch_event_new + elsif /_add\z/ =~ event + alias_method "on_#{event}", :_dispatch_event_push + end + end + end + end |