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* compile.c, insns.def: change return value of "defined?"

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for $&, $1, ... .  If such variables are defined,
  return "global-variable".
* test/ruby/test_defined.rb: add tests.
* bootstraptest/test_syntax.rb: fix a test.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@14031 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
ko1 2007-11-27 04:43:54 +00:00
parent 8e09ab045f
commit b0986a8f82
5 changed files with 46 additions and 10 deletions
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29
test/ruby/test_defined.rb
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@ -48,5 +48,34 @@ class TestDefined < Test::Unit::TestCase
assert(defined_test) # not iterator
assert(!defined_test{}) # called as iterator
/a/ =~ ''
assert_equal nil, defined?($&)
assert_equal nil, defined?($`)
assert_equal nil, defined?($')
assert_equal nil, defined?($+)
assert_equal nil, defined?($1)
assert_equal nil, defined?($2)
/a/ =~ 'a'
assert_equal 'global-variable', defined?($&)
assert_equal 'global-variable', defined?($`)
assert_equal 'global-variable', defined?($')
assert_equal nil, defined?($+)
assert_equal nil, defined?($1)
assert_equal nil, defined?($2)
/(a)/ =~ 'a'
assert_equal 'global-variable', defined?($&)
assert_equal 'global-variable', defined?($`)
assert_equal 'global-variable', defined?($')
assert_equal 'global-variable', defined?($+)
assert_equal 'global-variable', defined?($1)
assert_equal nil, defined?($2)
/(a)b/ =~ 'ab'
assert_equal 'global-variable', defined?($&)
assert_equal 'global-variable', defined?($`)
assert_equal 'global-variable', defined?($')
assert_equal 'global-variable', defined?($+)
assert_equal 'global-variable', defined?($1)
assert_equal nil, defined?($2)
end
end