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[src/trunk]: src/usr.bin/make make(1): move the comment about ".else <cond>" ...



details:   https://anonhg.NetBSD.org/src/rev/192469eb7c45
branches:  trunk
changeset: 945996:192469eb7c45
user:      rillig <rillig%NetBSD.org@localhost>
date:      Fri Nov 13 06:19:27 2020 +0000

description:
make(1): move the comment about ".else <cond>" to the correct place

diffstat:

 usr.bin/make/cond.c |  22 ++++++++++++++--------
 1 files changed, 14 insertions(+), 8 deletions(-)

diffs (61 lines):

diff -r 6adebf463905 -r 192469eb7c45 usr.bin/make/cond.c
--- a/usr.bin/make/cond.c       Fri Nov 13 05:53:36 2020 +0000
+++ b/usr.bin/make/cond.c       Fri Nov 13 06:19:27 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: cond.c,v 1.210 2020/11/12 22:27:55 rillig Exp $        */
+/*     $NetBSD: cond.c,v 1.211 2020/11/13 06:19:27 rillig Exp $        */
 
 /*
  * Copyright (c) 1988, 1989, 1990 The Regents of the University of California.
@@ -94,7 +94,7 @@
 #include "dir.h"
 
 /*     "@(#)cond.c     8.2 (Berkeley) 1/2/94"  */
-MAKE_RCSID("$NetBSD: cond.c,v 1.210 2020/11/12 22:27:55 rillig Exp $");
+MAKE_RCSID("$NetBSD: cond.c,v 1.211 2020/11/13 06:19:27 rillig Exp $");
 
 /*
  * The parsing of conditional expressions is based on this grammar:
@@ -1128,21 +1128,27 @@
        cond_states = bmake_malloc(cond_states_cap * sizeof *cond_states);
        cond_states[0] = IF_ACTIVE;
     }
+
     p++;               /* skip the leading '.' */
     cpp_skip_hspace(&p);
 
-    /* Find what type of if we're dealing with.  */
+    /* Parse the name of the directive, such as 'if', 'elif', 'endif'. */
     if (p[0] == 'e') {
        if (p[1] != 'l') {
-           if (!is_token(p + 1, "ndif", 4)) { /* It is an '.endif'. */
-               /* TODO: check for extraneous <cond> */
+           if (!is_token(p + 1, "ndif", 4)) {
+               /* Unknown directive.  It might still be a transformation
+                * rule like '.elisp.scm', therefore no error message here. */
                return COND_INVALID;
            }
-           /* End of conditional section */
+
+           /* It is an '.endif'. */
+           /* TODO: check for extraneous <cond> */
+
            if (cond_depth == cond_min_depth) {
                Parse_Error(PARSE_FATAL, "if-less endif");
                return COND_PARSE;
            }
+
            /* Return state for previous conditional */
            cond_depth--;
            return cond_states[cond_depth] <= ELSE_ACTIVE
@@ -1184,8 +1190,8 @@
        isElif = FALSE;
 
     if (p[0] != 'i' || p[1] != 'f') {
-       /* TODO: Add error message about unknown directive.
-        * See directive-elif.mk:23 */
+       /* Unknown directive.  It might still be a transformation rule like
+        * '.elisp.scm', therefore no error message here. */
        return COND_INVALID;    /* Not an ifxxx or elifxxx line */
     }
 



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