36 lines
1.2 KiB
Crystal
36 lines
1.2 KiB
Crystal
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# Extensions to Crystal::Location
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module Ameba::Ext::Location
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# Returns the same location as this location but with the line and/or column number(s) changed
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# to the given value(s).
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def with(line_number = @line_number, column_number = @column_number) : self
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self.class.new(@filename, line_number, column_number)
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end
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# Returns the same location as this location but with the line and/or column number(s) adjusted
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# by the given amount(s).
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def adjust(line_number = 0, column_number = 0) : self
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self.class.new(@filename, @line_number + line_number, @column_number + column_number)
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end
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# Seeks to a given *offset* relative to `self`.
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def seek(offset : self) : self
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if offset.filename.as?(String).presence && @filename != offset.filename
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raise ArgumentError.new <<-MSG
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Mismatching filenames:
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#{@filename}
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#{offset.filename}
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MSG
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end
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if offset.line_number == 1
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self.class.new(@filename, @line_number, @column_number + offset.column_number - 1)
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else
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self.class.new(@filename, @line_number + offset.line_number - 1, offset.column_number)
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end
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end
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end
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class Crystal::Location
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include Ameba::Ext::Location
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end
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