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[src/trunk]: src/usr.bin/make make: document ParseDependencyOp



details:   https://anonhg.NetBSD.org/src/rev/237e7e52a258
branches:  trunk
changeset: 379833:237e7e52a258
user:      rillig <rillig%NetBSD.org@localhost>
date:      Mon Jun 21 10:42:06 2021 +0000

description:
make: document ParseDependencyOp

diffstat:

 usr.bin/make/parse.c |  14 +++++++++-----
 1 files changed, 9 insertions(+), 5 deletions(-)

diffs (50 lines):

diff -r 6ba946e3bc14 -r 237e7e52a258 usr.bin/make/parse.c
--- a/usr.bin/make/parse.c      Mon Jun 21 10:33:11 2021 +0000
+++ b/usr.bin/make/parse.c      Mon Jun 21 10:42:06 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: parse.c,v 1.559 2021/06/21 10:33:11 rillig Exp $       */
+/*     $NetBSD: parse.c,v 1.560 2021/06/21 10:42:06 rillig Exp $       */
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -109,7 +109,7 @@
 #include "pathnames.h"
 
 /*     "@(#)parse.c    8.3 (Berkeley) 3/19/94" */
-MAKE_RCSID("$NetBSD: parse.c,v 1.559 2021/06/21 10:33:11 rillig Exp $");
+MAKE_RCSID("$NetBSD: parse.c,v 1.560 2021/06/21 10:42:06 rillig Exp $");
 
 /* types and constants */
 
@@ -1265,8 +1265,12 @@ ParseDependencyCheckSpec(ParseSpecial sp
        }
 }
 
+/*
+ * In a dependency line like 'targets: sources' or 'targets! sources', parse
+ * the operator ':', '::' or '!' from between the targets and the sources.
+ */
 static bool
-ParseDependencyParseOp(char **pp, const char *lstart, GNodeType *out_op)
+ParseDependencyOp(char **pp, const char *lstart, GNodeType *out_op)
 {
        const char *cp = *pp;
 
@@ -1694,7 +1698,7 @@ ParseDependency(char *line)
        /*
         * First, grind through the targets.
         */
-       /* XXX: don't use line as an iterator variable */
+       /* XXX: don't use 'line' as an iterator variable */
        if (!ParseDependencyTargets(&cp, &line, lstart, &specType, &tOp,
            &paths, &curTargs))
                goto out;
@@ -1712,7 +1716,7 @@ ParseDependency(char *line)
        /*
         * Have now parsed all the target names. Must parse the operator next.
         */
-       if (!ParseDependencyParseOp(&cp, lstart, &op))
+       if (!ParseDependencyOp(&cp, lstart, &op))
                goto out;
 
        /*



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