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* lib/pp.rb (PP::ObjectMixin#pretty_print): refine to_s handling.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3779 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr 2003-05-10 20:53:58 +00:00
parent 4b25d0d2cb
commit 93aa87568b
2 changed files with 28 additions and 5 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
Sun May 11 05:50:39 2003 Tanaka Akira <akr@m17n.org>
* lib/pp.rb (PP::ObjectMixin#pretty_print): refine to_s handling.
Sat May 10 19:00:08 2003 Takaaki Uematsu <uema2x@jcom.home.ne.jp> Sat May 10 19:00:08 2003 Takaaki Uematsu <uema2x@jcom.home.ne.jp>
* wince/string.c: file removed. * wince/string.c: file removed.

29
lib/pp.rb
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@ -239,13 +239,15 @@ class PP < PrettyPrint
module ObjectMixin module ObjectMixin
# 1. specific pretty_print # 1. specific pretty_print
# 2. specific inspect or to_s # 2. specific inspect
# 3. generic pretty_print # 3. specific to_s if instance variable is empty
# 4. generic pretty_print
def pretty_print(pp) def pretty_print(pp)
if /\(Kernel\)#/ !~ method(:inspect).inspect || if /\(Kernel\)#/ !~ method(:inspect).inspect
/\(Kernel\)#/ !~ method(:to_s).inspect pp.text self.inspect
pp.text inspect elsif /\(Kernel\)#/ !~ method(:to_s).inspect && instance_variables.empty?
pp.text self.to_s
else else
pp.pp_object(self) pp.pp_object(self)
end end
@ -521,6 +523,23 @@ if __FILE__ == $0
a = proc {1} a = proc {1}
assert_equal("#{a.inspect}\n", PP.pp(a, '')) assert_equal("#{a.inspect}\n", PP.pp(a, ''))
end end
class Test_to_s_with_iv
def initialize() @a = nil end
def to_s() "aaa" end
end
def test_to_s_with_iv
a = Test_to_s_with_iv.new
assert_equal("#{a.inspect}\n", PP.pp(a, ''))
end
class Test_to_s_without_iv
def to_s() "aaa" end
end
def test_to_s_without_iv
a = Test_to_s_without_iv.new
assert_equal("#{a.inspect}\n", PP.pp(a, ''))
end
end end
class PPCycleTest < Test::Unit::TestCase class PPCycleTest < Test::Unit::TestCase