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make: document ParseDependencyOp

This commit is contained in:
rillig 2021-06-21 10:42:06 +00:00
parent 030187f9a8
commit 55e7ff5dbb
1 changed files with 9 additions and 5 deletions
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14
usr.bin/make/parse.c
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@ -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 specType)
}
}
/*
* 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;
/*