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Reject TreeRewriter ranges from another source buffer #1094

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Reject TreeRewriter ranges from another source buffer #1094

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3 changes: 3 additions & 0 deletions lib/parser/source/tree_rewriter.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -402,6 +402,9 @@ def combine(range, attributes)
end

def check_range_validity(range)
unless range.source_buffer.equal?(@source_buffer)
raise ArgumentError, 'The range belongs to a different source buffer'
end
if range.begin_pos < 0 || range.end_pos > @source_buffer.source.size
raise IndexError, "The range #{range.to_range} is outside the bounds of the source"
end
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