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23c8bc367c
Now, the highlight line is created by replacing non-tab characters with spaces, and keeping all hard tabs as-is. This means the highlight line has the completely same indentation as the code snippet line. Fixes #7 https://github.com/ruby/error_highlight/commit/38f20fa542
25 lines
584 B
Ruby
25 lines
584 B
Ruby
module ErrorHighlight
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class DefaultFormatter
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def message_for(spot)
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# currently only a one-line code snippet is supported
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if spot[:first_lineno] == spot[:last_lineno]
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indent = spot[:snippet][0...spot[:first_column]].gsub(/[^\t]/, " ")
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marker = indent + "^" * (spot[:last_column] - spot[:first_column])
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"\n\n#{ spot[:snippet] }#{ marker }"
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else
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""
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end
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end
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end
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def self.formatter
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@@formatter
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end
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def self.formatter=(formatter)
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@@formatter = formatter
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end
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self.formatter = DefaultFormatter.new
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end
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