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B() is a general-purpose parser generator converting grammar descriptions for
LALR(1) context-free grammars into bf(C++) classes whose members can parse
such grammars. Once you are a proficient b() user, you may use it to develop
a wide range of language parsers, from those used in simple desk calculators
to complex programming languages.
B() is highly comparable to the program bison++, written by Alain Coetmeur:
all properly-written bison++ grammars ought to be convertible to b() grammars
requiring very little or no modifications. Anyone familiar with bison++ or
its precursor, bison, should quickly be able to use b() as well. B()
generates bf(C++) code, rather than bf(C) code, and so a fair knowledge of the
bf(C++) programming language is required before b() can profitably be used.
This manual closely resembles bf(bison)(1)'s userguide. In fact, many sections
of that manual were copied straight into this manual. With b() distributions
(both the full source distribution and the binary tt(.deb) distributions)
bf(bison)'s orginal manual is included in both em(PostScript) and (converted
from the tt(texi) format) tt(HTML) format. Where necessary sections of the
original manual were adapted to b()'s characteristics. Some sections were
removed, and some new sections were added to the current manual. Expect
upgrades of the manual to appear without further notice. Upgrades will be
announced in the manual's title.
The current manual starts with tutorial chapters that explain the basic
concepts of using b() and use three examples illustrating some of the core
issues of LALR(1) grammars, each example building on the previous example
(where available). If you don't know b(), bison++ or bison, start by reading
these chapters. Reference chapters follow describing specific aspects of b()
in detail.
B() was designed and built by url(Frank
B. Brokken)(mailto:f.b.brokken@rug.nl). The program's first version was
constructed between November 2004 and May 2005.
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