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ast.rb: Fix bug for source of multibyte characters

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first_column and last_column return byte positions, but existing implementations
did not consider multibyte.
This commit is contained in:
alpaca-tc 2023-11-04 23:04:51 +09:00 • committed by Nobuyoshi Nakada
parent d896269068
commit 8ed733f8f2
2 changed files with 10 additions and 2 deletions
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4
ast.rb
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@ -265,8 +265,8 @@ module RubyVM::AbstractSyntaxTree
lines = script_lines
if lines
lines = lines[first_lineno - 1 .. last_lineno - 1]
lines[-1] = lines[-1][0...last_column]
lines[0] = lines[0][first_column..-1]
lines[-1] = lines[-1].byteslice(0...last_column)
lines[0] = lines[0].byteslice(first_column..-1)
lines.join
else
nil