42 lines
426 B
Plaintext
42 lines
426 B
Plaintext
#
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# nonassoc test
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#
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class P
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preclow
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nonassoc N
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left P
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prechigh
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rule
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target : exp
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exp : exp N exp
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| exp P exp
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| T
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end
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---- inner
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def parse
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@src = [[:T,'T'], [:N,'N'], [:T,'T'], [:N,'N'], [:T,'T']]
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do_parse
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end
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def next_token
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@src.shift
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end
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---- footer
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begin
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P.new.parse
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rescue ParseError
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exit 0
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else
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$stderr.puts 'parse error not raised: nonassoc not work'
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exit 1
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end
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