Re: #line feature in C preprocessor

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1 total messages Started by utzoodecvaxdukemcncrlgvaxguy Sat, 19 Feb 1983 03:41

#105

Author: utzoodecvaxdukemcncrlgvaxguy
Date: Sat, 19 Feb 1983 03:41

25 lines
866 bytes

References: sentry1.1425

By the way, re cpp: the V7 "cpy.y" has bugs in the actions for the
!<number>, ~<number>, and -<number> rules: they should read $$ = <op>$2
instead of $$ = <op>$1.  The first two are fixed in the 4.1BSD "cpp", and
the third is fixed in the System III "cpp".  For example, the sequence

#if ((-1)*3) == -3
FOO
#else
BAR
#endif

emits

BAR

on the 4.1BSD "cpp", but

FOO

on the System III "cpp".
					Guy Harris
					RLG Corporation
					...!decvax!mcnc!rlgvax!guy

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