questions about lcc cpp fsm

"Eric Fisher" <joefoxreal@gmail.com>
11 Jun 2006 02:19:26 -0400

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questions about lcc cpp fsm joefoxreal@gmail.com (Eric Fisher) (2006-06-11)
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From: "Eric Fisher" <joefoxreal@gmail.com>
Newsgroups: comp.compilers
Date: 11 Jun 2006 02:19:26 -0400
Organization: Compilers Central
Keywords: lcc, question

Hi,
Who can tell me the meaning of C_XX in lcc cpp lex.c. I don't
understand the following sentence.
        START, { C_XX }, ACT(UNCLASS,S_SELF),
What's the ACT?
        #define ACT(tok,act) ((tok<<7)+act)
What does the ACT mean?


Thanks
Eric



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