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| Related articles |
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| lex question dormina@winnipeg-lnx.cc.gatech.edu (Mina Doroudi) (2005-12-02) |
| Re: lex question nathan.moore@cox.net (Nathan Moore) (2005-12-08) |
| Re: lex question toby@telegraphics.com.au (toby) (2005-12-08) |
| lex question alinares@fivetech.com (Antonio Linares) (1999-03-23) |
| Re: lex question adobni@itron.com.ar (Alejandro Dobniewski) (1999-03-28) |
| Re: lex question rkrayhawk@aol.com (1999-04-01) |
| Re: lex question cfc@world.std.com (Chris F Clark) (1999-04-03) |
| re: lex question scinar@ug.bcc.bilkent.edu.tr (Sukru Cinar) (1999-04-18) |
| From: | "Antonio Linares" <alinares@fivetech.com> |
| Newsgroups: | comp.compilers |
| Date: | 23 Mar 1999 12:29:02 -0500 |
| Organization: | Telefonica Transmision de Datos |
| Keywords: | C, parse, comment |
We are looking for a way to implement C language #define directive for
expressions:
#define <idFunction>([<arg list>]) [<exp>]
example:
#define Max( x, y ) ( x > y)? x: y
Do you know how to do this using standard lex & yacc ? Any samples ?
regards,
A.L.
[There's nothing in lex or yacc that makes it automatic, but macro
expansion is pretty easy, you keep a stack of sources with the real
input at the bottom and the macros you're expanding on top of that.
-John]
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