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* re.c (rb_reg_names): new method Regexp#names.

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(rb_reg_named_captures): new method Regexp#named_captures
  (match_regexp): new method MatchData#regexp.
  (match_names): new method MatchData#names.

* lib/pp.rb (MatchData#pretty_print): show names of named captures.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@14163 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr 2007-12-09 21:44:19 +00:00
parent 9d8075b99c
commit 08eb58d3dd
4 changed files with 171 additions and 6 deletions
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29
test/ruby/test_regexp.rb
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@ -2,7 +2,9 @@ require 'test/unit'
class TestRegexp < Test::Unit::TestCase
def test_ruby_dev_24643
assert_nothing_raised("[ruby-dev:24643]") { /(?:(?:[a]*[a])?b)*a*$/ =~ "aabaaca" }
assert_nothing_raised("[ruby-dev:24643]") {
/(?:(?:[a]*[a])?b)*a*$/ =~ "aabaaca"
}
end
def test_ruby_talk_116455
@ -58,7 +60,8 @@ class TestRegexp < Test::Unit::TestCase
assert_equal(8, m.end(:foo))
assert_equal([5,8], m.offset(:foo))
assert_equal("aaa [amp] yyy", "aaa &amp; yyy".sub(/&(?<foo>.*?);/, '[\k<foo>]'))
assert_equal("aaa [amp] yyy",
"aaa &amp; yyy".sub(/&(?<foo>.*?);/, '[\k<foo>]'))
assert_equal('#<MatchData "&amp; y" foo:"amp">',
/&(?<foo>.*?); (y)/.match("aaa &amp; yyy").inspect)
@ -72,9 +75,29 @@ class TestRegexp < Test::Unit::TestCase
/(?<id>[A-Za-z_]+)/ =~ "!abc"
assert_equal("abc", Regexp.last_match(:id))
/a/ =~ "b"
/a/ =~ "b" # doesn't match.
assert_equal(nil, Regexp.last_match)
assert_equal(nil, Regexp.last_match(1))
assert_equal(nil, Regexp.last_match(:foo))
assert_equal(["foo", "bar"], /(?<foo>.)(?<bar>.)/.names)
assert_equal(["foo"], /(?<foo>.)(?<foo>.)/.names)
assert_equal([], /(.)(.)/.names)
assert_equal(["foo", "bar"], /(?<foo>.)(?<bar>.)/.match("ab").names)
assert_equal(["foo"], /(?<foo>.)(?<foo>.)/.match("ab").names)
assert_equal([], /(.)(.)/.match("ab").names)
assert_equal({"foo"=>[1], "bar"=>[2]},
/(?<foo>.)(?<bar>.)/.named_captures)
assert_equal({"foo"=>[1, 2]},
/(?<foo>.)(?<foo>.)/.named_captures)
assert_equal({}, /(.)(.)/.named_captures)
end
def test_match_regexp
r = /./
m = r.match("a")
assert_equal(r, m.regexp)
end
end