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

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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
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22
lib/yarp.rb
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@ -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