archive/ruby
1
0
Fork 0
mirror of https://github.com/ruby/ruby.git synced 2025-09-21 03:24:00 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 4

[ruby/yarp] Return Regexp options that match MRI for e, u, s, and n

Browse source 
17dbf4ec46
This commit is contained in:
Tim Morgan 2023-09-15 11:26:13 -05:00 • committed by git
parent 0996cf5593
commit 101ac364a5
2 changed files with 28 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

22
lib/yarp.rb
View file

@ -587,11 +587,14 @@ module YARP
class InterpolatedRegularExpressionNode < Node
# Returns a numeric value that represents the flags that were used to create
# the regular expression. This mirrors the Regexp#options method in Ruby.
# Note that this is effectively masking only the three common flags that are
# used in Ruby, and does not include the full set of flags like encoding.
# the regular expression.
def options
flags & 0b111
o = flags & 0b111
o |= Regexp::FIXEDENCODING if flags & 8 != 0 # 'e'
o |= Regexp::FIXEDENCODING if flags & 32 != 0 # 's'
o |= Regexp::FIXEDENCODING if flags & 64 != 0 # 'u'
o |= Regexp::NOENCODING if flags & 16 != 0 # 'n'
o
end
end
@ -604,11 +607,14 @@ module YARP
class RegularExpressionNode < Node
# Returns a numeric value that represents the flags that were used to create
# the regular expression. This mirrors the Regexp#options method in Ruby.
# Note that this is effectively masking only the three common flags that are
# used in Ruby, and does not include the full set of flags like encoding.
# the regular expression.
def options
flags & 0b111
o = flags & 0b111
o |= Regexp::FIXEDENCODING if flags & 8 != 0 # 'e'
o |= Regexp::FIXEDENCODING if flags & 32 != 0 # 's'
o |= Regexp::FIXEDENCODING if flags & 64 != 0 # 'u'
o |= Regexp::NOENCODING if flags & 16 != 0 # 'n'
o
end
end
end

14
test/yarp/regexp_test.rb
View file

@ -208,6 +208,20 @@ module YARP
assert_equal(Regexp::MULTILINE, options("m"))
end
def test_flag_fixedencoding
assert_equal(Regexp::FIXEDENCODING, options("e"))
assert_equal(Regexp::FIXEDENCODING, options("u"))
assert_equal(Regexp::FIXEDENCODING, options("s"))
end
def test_flag_noencoding
assert_equal(Regexp::NOENCODING, options("n"))
end
def test_flag_once
assert_equal(0, options("o"))
end
def test_flag_combined
value = Regexp::IGNORECASE | Regexp::MULTILINE | Regexp::EXTENDED
assert_equal(value, options("mix"))