@@ -1,3 +1,8 @@ +Tue Feb 20 18:45:45 2007 Minero Aoki <aamine@loveruby.net> + + * lib/racc/grammar.rb (separated_by): last commit was wrong. use + optional default return value of #option. + Tue Feb 20 18:27:48 2007 Minero Aoki <aamine@loveruby.net> * lib/racc/grammar.rb (separated_by): return [] for empty list. ChangeLog @@ -284,9 +284,9 @@ module Racc alias _ action - def option(sym, &block) + def option(sym, default = nil, &block) _defmetasyntax("option", _intern(sym), block) {|target| - seq() | seq(sym) + seq() { default } | seq(sym) } end @@ -305,10 +305,7 @@ module Racc end def separated_by(sep, sym, &block) - _defmetasyntax("separated_by", _intern(sym), block) {|target| - seq() { [] }\ - | seq(target, sep, sym) {|list, _, x| list.push x; list } - } + option(separated_by1(sep, sym), [], &block) end def separated_by1(sep, sym, &block) lib/racc/grammar.rb dca110a484459b976b1b76368615601618ba2c4e aamine aamine@1b9489fe-b721-0410-924e-b54b9192deb8 http://github.com/tenderlove/racc/commit/d59522b5c830fe928f45b2f32be3459414023c73 d59522b5c830fe928f45b2f32be3459414023c73 2007-02-20T01:46:25-08:00 2007-02-20T01:46:25-08:00 * lib/racc/grammar.rb (separated_by): last commit was wrong. use optional default return value of #option. git-svn-id: file:///Users/aaron/Desktop/public/racc/trunk@3695 1b9489fe-b721-0410-924e-b54b9192deb8 291632d69cfde4184fccb57ce8b2b5b9185eeba7 aamine aamine@1b9489fe-b721-0410-924e-b54b9192deb8