35 lines
545 B
Plaintext
35 lines
545 B
Plaintext
# Regression test case for the bug discussed here:
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# https://github.com/whitequark/parser/issues/93
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# In short, a Racc-generated parser could go into an infinite loop when
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# attempting error recovery at EOF
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class InfiniteLoop
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rule
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stmts: stmt
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| error stmt
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stmt: '%' stmt
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end
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---- inner
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def parse
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@errors = []
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do_parse
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end
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def next_token
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nil
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end
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def on_error(error_token, error_value, value_stack)
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# oh my, an error
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@errors << [error_token, error_value]
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end
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---- footer
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InfiniteLoop.new.parse |