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Expose options on match last line nodes #1700

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Oct 26, 2023
Merged

Expose options on match last line nodes #1700

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39 changes: 23 additions & 16 deletions lib/prism/node_ext.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,19 @@
# Here we are reopening the prism module to provide methods on nodes that aren't
# templated and are meant as convenience methods.
module Prism
module RegularExpressionOptions
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# Returns a numeric value that represents the flags that were used to create
# the regular expression.
def options
o = flags & (RegularExpressionFlags::IGNORE_CASE | RegularExpressionFlags::EXTENDED | RegularExpressionFlags::MULTI_LINE)
o |= Regexp::FIXEDENCODING if flags.anybits?(RegularExpressionFlags::EUC_JP | RegularExpressionFlags::WINDOWS_31J | RegularExpressionFlags::UTF_8)
o |= Regexp::NOENCODING if flags.anybits?(RegularExpressionFlags::ASCII_8BIT)
o
end
end

private_constant :RegularExpressionOptions

class FloatNode < Node
# Returns the value of the node as a Ruby Float.
def value
Expand All @@ -24,15 +37,16 @@ def value
end
end

class InterpolatedMatchLastLineNode < Node
include RegularExpressionOptions
end

class InterpolatedRegularExpressionNode < Node
# Returns a numeric value that represents the flags that were used to create
# the regular expression.
def options
o = flags & (RegularExpressionFlags::IGNORE_CASE | RegularExpressionFlags::EXTENDED | RegularExpressionFlags::MULTI_LINE)
o |= Regexp::FIXEDENCODING if flags.anybits?(RegularExpressionFlags::EUC_JP | RegularExpressionFlags::WINDOWS_31J | RegularExpressionFlags::UTF_8)
o |= Regexp::NOENCODING if flags.anybits?(RegularExpressionFlags::ASCII_8BIT)
o
end
include RegularExpressionOptions
end

class MatchLastLineNode < Node
include RegularExpressionOptions
end

class RationalNode < Node
Expand All @@ -43,14 +57,7 @@ def value
end

class RegularExpressionNode < Node
# Returns a numeric value that represents the flags that were used to create
# the regular expression.
def options
o = flags & (RegularExpressionFlags::IGNORE_CASE | RegularExpressionFlags::EXTENDED | RegularExpressionFlags::MULTI_LINE)
o |= Regexp::FIXEDENCODING if flags.anybits?(RegularExpressionFlags::EUC_JP | RegularExpressionFlags::WINDOWS_31J | RegularExpressionFlags::UTF_8)
o |= Regexp::NOENCODING if flags.anybits?(RegularExpressionFlags::ASCII_8BIT)
o
end
include RegularExpressionOptions
end

class ConstantReadNode < Node
Expand Down