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Re: %type'd non-terminal produces a `has no declared type' error


From: Hans Aberg
Subject: Re: %type'd non-terminal produces a `has no declared type' error
Date: Wed, 21 Jan 2009 12:48:47 +0100

On 21 Jan 2009, at 11:28, Alexander Sorockin wrote:

But what semantic value do you expect to be assigned for these $k values?

According to the manual, "$n with n zero or negative is allowed for reference to tokens and groupings on the stack before those that match the current rule."

So then it is still permitted - but the answer by Akim shows some problems: it is hard to tell exactly what is on the stack, as it is dynamically allocated.

  Hans






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