[src/trunk]: src/usr.bin/make make(1): compute escaping flags for .for values...

[rillig <rillig%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/079fcd151a07
branches:  trunk
changeset: 941625:079fcd151a07
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sun Oct 25 14:58:23 2020 +0000

description:
make(1): compute escaping flags for .for values when needed

Before, they were computed when parsing the .for line, which was
unnecessarily early.

diffstat:

 usr.bin/make/for.c |  16 ++++++----------
 1 files changed, 6 insertions(+), 10 deletions(-)

diffs (65 lines):

diff -r 3d1cb7f2386f -r 079fcd151a07 usr.bin/make/for.c
--- a/usr.bin/make/for.c        Sun Oct 25 14:55:23 2020 +0000
+++ b/usr.bin/make/for.c        Sun Oct 25 14:58:23 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: for.c,v 1.99 2020/10/25 14:29:13 rillig Exp $  */
+/*     $NetBSD: for.c,v 1.100 2020/10/25 14:58:23 rillig Exp $ */
 
 /*
  * Copyright (c) 1992, The Regents of the University of California.
@@ -60,7 +60,7 @@
 #include    "make.h"
 
 /*     "@(#)for.c      8.1 (Berkeley) 6/6/93"  */
-MAKE_RCSID("$NetBSD: for.c,v 1.99 2020/10/25 14:29:13 rillig Exp $");
+MAKE_RCSID("$NetBSD: for.c,v 1.100 2020/10/25 14:58:23 rillig Exp $");
 
 typedef enum ForEscapes {
     FOR_SUB_ESCAPE_CHAR = 0x0001,
@@ -78,8 +78,7 @@
 
 /* One of the items to the right of the "in" in a .for loop. */
 typedef struct ForItem {
-    char *value;               /* unexpanded */
-    ForEscapes escapes;
+    char *value;
 } ForItem;
 
 /*
@@ -114,11 +113,10 @@
 }
 
 static void
-ForAddItem(For *f, const char *value, ForEscapes escapes)
+ForAddItem(For *f, const char *value)
 {
     ForItem *item = Vector_Push(&f->items);
     item->value = bmake_strdup(value);
-    item->escapes = escapes;
 }
 
 static void
@@ -270,13 +268,11 @@
 
        for (i = 0; i < words.len; i++) {
            const char *word = words.words[i];
-           ForEscapes escapes;
 
            if (word[0] == '\0')
                continue;       /* .for var in ${:U} */
 
-           escapes = GetEscapes(word);
-           ForAddItem(new_for, word, escapes);
+           ForAddItem(new_for, word);
        }
     }
 
@@ -370,7 +366,7 @@
 for_substitute(Buffer *cmds, ForItem *forItem, char ech)
 {
     const char *item = forItem->value;
-    ForEscapes escapes = forItem->escapes;
+    ForEscapes escapes = GetEscapes(item);
     char ch;
 
     /* If there were no escapes, or the only escape is the other variable