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Projektbeschreibung

Yappy provides a lexical analyser and a LR parser generator
for Python applications. Currently it builds SLR, LR(1), and
LALR(1) parsing tables. Tables are kept in Python shelves for
use in parsing. Some ambiguous grammars can be handled
if priority and associativity information is provided.

Systemanforderungen

Die Systemvoraussetzungen sind nicht definiert
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.

2006-11-03 10:25
1.7

In der Grammatik Spezifikationen, ist die Trennung zwischen den semantischen Regeln (innen made (())) und Vorrang Informationen. Semantische Regeln a la Bison mit semantischen Argumente wurden umgesetzt: E -> E + T (( "Sum ($ 0, $ 2 )"}}. Handhabung von einigen Ausnahmen in LRparser wurde korrigiert.
Tags: Major feature enhancements
In grammar specifications, separation is made
between semantic rules (inside {{ }}) and
precedence information. Semantic rules a la Bison
with semantic arguments were implemented: E -> E +
T {{ "Sum($0,$2)"}}. Handling of some exceptions
in LRparser was corrected.

2004-06-20 05:33
1.4

Tags: Initial freshmeat announcement

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