CVS log for src/usr.bin/m4/main.c

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Default branch: MAIN
Current tag: OPENBSD_3_3

Revision 1.54 / (download) - annotate - [select for diffs], Sun Apr 28 14:37:12 2002 UTC (22 years, 1 month ago) by espie
Branch: MAIN
CVS Tags: OPENBSD_3_3_BASE, OPENBSD_3_3, OPENBSD_3_2_BASE, OPENBSD_3_2
Changes since 1.53: +45 -11 lines
Diff to previous 1.53 (colored)

Implement -s.
Triggered by recent FreeBSD changes.

- emits #line directives at every file change (like FreeBSD)
- maintains a synch_lineno variable to verify when the output gets out
of synch with the input, so that it can emit #line to re-synch as well
(unlike FreeBSD)

To do: either handle \end-of-line, or recognize when a macro expansion
is in progress, so that line synch don't perturb cpp on multi-line
expansions.

With this, we should have a fully POSIX-compliant m4.

ok miod@

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