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[ruby/irb] Rewrite on_scan proc to be more readable.

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da54e7f081
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tompng 2022-09-19 14:14:10 +09:00 • committed by git
parent 78cb638002
commit 369f1668cd
1 changed files with 10 additions and 6 deletions
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14
lib/irb/color.rb
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@ -176,14 +176,18 @@ module IRB # :nodoc:
end end
on_scan = proc do |elem| on_scan = proc do |elem|
str = elem.tok
start_pos = line_positions[elem.pos[0] - 1] + elem.pos[1] start_pos = line_positions[elem.pos[0] - 1] + elem.pos[1]
end_pos = start_pos + str.bytesize
next if start_pos < byte_pos
yield(nil, inner_code.byteslice(byte_pos...start_pos), nil) if byte_pos < start_pos # yield uncolorable code
if byte_pos < start_pos
yield(nil, inner_code.byteslice(byte_pos...start_pos), nil)
end
if byte_pos <= start_pos
str = elem.tok
yield(elem.event, str, elem.state) yield(elem.event, str, elem.state)
byte_pos = end_pos byte_pos = start_pos + str.bytesize
end
end end
if lexer.respond_to?(:scan) # Ruby 2.7+ if lexer.respond_to?(:scan) # Ruby 2.7+