GPP iconGPP 2.24

GPP is a generic preprocessor with customizable syntax.
GPP is a general-purpose preprocessor with customizable syntax, suitable for a wide range of preprocessing tasks. Its independence from any programming language makes it much more versatile than cpp, while its syntax is lighter and more flexible than that of m4.

GPP is targeted at all common preprocessing tasks where cpp is not suitable and where no very sophisticated features are needed. In order to be able to process equally efficiently text files or source code in a variety of languages, the syntax used by GPP is fully customizable. The handling of comments and strings is especially advanced.

Initially, GPP only understands a minimal set of built-in macros, called meta-macros. These meta-macros allow the definition of user macros as well as some basic operations forming the core of the preprocessing system, including conditional tests, arithmetic evaluation, wildcard matching (globbing), and syntax specification.

All user macro definitions are global-i.e., they remain valid until explicitly removed; meta-macros cannot be redefined. With each user macro definition GPP keeps track of the corresponding syntax specification so that a macro can be safely invoked regardless of any subsequent change in operating mode.

In addition to macros, GPP understands comments and strings, whose syntax and behavior can be widely customized to fit any particular purpose. Internally comments and strings are the same construction, so everything that applies to comments applies to strings as well.


gpp [-{o|O} outfile] [-I/include/path] [-Dname=val ...]
[-z|+z] [-x] [-m] [-C|-T|-H|-X|-P|-U ... [-M ...]]
[-n|+n] [+c str1 str2] [+s str1 str2 c]
[-c str1] [--nostdinc] [--nocurinc]
[--curdirinclast] [--warninglevel n]
[--includemarker str] [--include file]

gpp --help

gpp --version

last updated on:
April 13th, 2005, 19:04 GMT
developed by:
Tristan Miller
license type:
LGPL (GNU Lesser General Public License) 
ROOT \ Programming \ Preprocessors


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