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Diffstat (limited to 'development/ucpp/README')
| -rw-r--r-- | development/ucpp/README | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/development/ucpp/README b/development/ucpp/README new file mode 100644 index 0000000000..d50af6cc71 --- /dev/null +++ b/development/ucpp/README @@ -0,0 +1,16 @@ +A C preprocessor is a part of a C compiler responsible for macro +replacement, conditional compilation and inclusion of header files. +It is often found as a stand-alone program on Unix systems. + +ucpp is such a preprocessor; it is designed to be quick and light, +but anyway fully compliant to the ISO standard 9899:1999, also known +as C99. ucpp can be compiled as a stand-alone program, or linked to +some other code; in the latter case, ucpp will output tokens, one +at a time, on demand, as an integrated lexer. + +ucpp operates in two modes: +-- lexer mode: ucpp is linked to some other code and outputs a stream of +tokens (each call to the lex() function will yield one token) +-- non-lexer mode: ucpp preprocesses text and outputs the resulting text +to a file descriptor; if linked to some other code, the cpp() function +must be called repeatedly, otherwise ucpp is a stand-alone binary. |