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16 lines
885 B
Text
16 lines
885 B
Text
A C preprocessor is a part of a C compiler responsible for macro
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replacement, conditional compilation and inclusion of header files.
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It is often found as a stand-alone program on Unix systems.
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ucpp is such a preprocessor; it is designed to be quick and light,
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but anyway fully compliant to the ISO standard 9899:1999, also known
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as C99. ucpp can be compiled as a stand-alone program, or linked to
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some other code; in the latter case, ucpp will output tokens, one
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at a time, on demand, as an integrated lexer.
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ucpp operates in two modes:
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-- lexer mode: ucpp is linked to some other code and outputs a stream of
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tokens (each call to the lex() function will yield one token)
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-- non-lexer mode: ucpp preprocesses text and outputs the resulting text
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to a file descriptor; if linked to some other code, the cpp() function
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must be called repeatedly, otherwise ucpp is a stand-alone binary.
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