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file: README hush-3.0b4/api/grammar/examples/dlp


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This is the basis for the official DLP parser developed at the VU. The parser produces Prolog code thatr requires run time support te be executed in as a DLP program. Due to the operator declarations and formatter options, as shown in the code, this parser is very generic and very powerful. Don't hesitate to experiment it, but be careful. It is explicitly not allowed to modify the official DLP syntax.

Note that the

  
     %class
     %defaults
  
options are non-standard. This requires the use of the oolex and ooyacc, see oolex(1) and ooyacc(1).

You may also have a look at, the other examples in examples/grammar or the sources in sources/grammar

As concerns formatting, the \%\%@ directive may only be used for the first time when the regular \%\% directive is expected. After that you may use it without restrictions provide that you close with the \%\%</> directive.


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09/09/98