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23 lines
758 B
Ruby
23 lines
758 B
Ruby
module CoffeeScript
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# Racc will raise this Exception whenever a syntax error occurs. The main
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# benefit over the Racc::ParseError is that the CoffeeScript::ParseError is
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# line-number aware.
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class ParseError < Racc::ParseError
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def initialize(token_id, value, stack)
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@token_id, @value, @stack = token_id, value, stack
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end
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def message
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line = @value.respond_to?(:line) ? @value.line : "END"
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line_part = "line #{line}:"
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id_part = @token_id != @value.inspect ? ", unexpected #{@token_id.to_s.downcase}" : ""
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val_part = ['INDENT', 'OUTDENT'].include?(@token_id) ? '' : " for '#{@value.to_s}'"
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"#{line_part} syntax error#{val_part}#{id_part}"
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end
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alias_method :inspect, :message
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end
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end |