14.168 Unpack

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Origin: lgc. Landing-place: terminal.

Lgc generates this progress message at verbosity level 4+ when it is about to unpack a page. Unpacking occurs during loading of a Logiweb vector after the bibliography and dictionary are extracted from the vector and after all transitively referenced pages are loaded. Unpacking takes the raw bytes which represent the body in the vector and convert them into a parse tree. By default, unpacking interprets the raw bytes as a Polish prefix representation of the parse tree and unpacks according to the arities found in the dictionary of the page itself plus dictionaries of directly referenced pages. However, the user may override default unpacking by defining an unpacker on the bed page (i.e. the first reference of the page being unpacked).

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Copyright © 2010 Klaus Grue, GRD-2010-01-05