Mozilla Text Preprocessor

The C preprocessor implements the macro language used to transform C, C++, and Objective-C programs before they are compiled. It can also be useful on its own.

gema is a general purpose text processing utility based on the concept of pattern matching. In general, it reads an input file and copies it to an output file, while …

filepp is a generic file preprocessor. It is designed to allow the functionality provided by the C preprocessor to be used with any file type. filepp supports the following keywords, …

GPP is a general-purpose preprocessor with customizable syntax, suitable for a wide range of preprocessing tasks. Its independence from any one programming language makes it much more versatile than the …

A variation on the C preprocessor that (1) works on multiple languages and (2) encodes preprocessor statements as comments in that language so syntax correctness is not broken.