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Computing (FOLDOC) dictionary (also found in English - Vietnamese, English - English (Wordnet), )
SORCERER
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tool A simple tree parser generator by Terence Parr
parrt@s1.arc.umn.edu.
SORCERER is suitable for translation problems lying between
those solved by code generator generators and by full
source-to-source translator generators. SORCERER generates
simple, flexible, top-down, tree parsers that, in contrast
to code generators, may execute actions at any point during a
tree walk. SORCERER accepts extended BNF notation, allows
predicates to direct the tree walk with semantic and
syntactic context information, and does not rely on any
particular intermediate form, parser generator, or other
pre-existing application.