[src/trunk]: src/usr.bin/indent indent: demonstrate disappearing form feed

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

details:   https://anonhg.NetBSD.org/src/rev/7e46ba95be23
branches:  trunk
changeset: 1024878:7e46ba95be23
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sun Nov 07 18:49:02 2021 +0000

description:
indent: demonstrate disappearing form feed

diffstat:

 tests/usr.bin/indent/token_form_feed.c |  27 ++++++++++++++++++++++++++-
 usr.bin/indent/indent.c                |   5 +++--
 2 files changed, 29 insertions(+), 3 deletions(-)

diffs (64 lines):

diff -r edcd3ab1a854 -r 7e46ba95be23 tests/usr.bin/indent/token_form_feed.c
--- a/tests/usr.bin/indent/token_form_feed.c    Sun Nov 07 18:38:34 2021 +0000
+++ b/tests/usr.bin/indent/token_form_feed.c    Sun Nov 07 18:49:02 2021 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: token_form_feed.c,v 1.2 2021/11/07 18:38:34 rillig Exp $ */
+/* $NetBSD: token_form_feed.c,v 1.3 2021/11/07 18:49:02 rillig Exp $ */
 /* $FreeBSD$ */
 
 /*
@@ -19,3 +19,28 @@
 
 void function_2(void);
 #indent end
+
+
+/*
+ * Test form feed after 'if (expr)', which is handled in search_stmt.
+ */
+#indent input
+void function(void)
+{
+       if (expr)
+        /* <-- form feed */
+       {
+       }
+}
+#indent end
+
+#indent run
+void
+function(void)
+{
+       if (expr) {
+               /* $ XXX: The form feed has disappeared. */
+               /* <-- form feed */
+       }
+}
+#indent end
diff -r edcd3ab1a854 -r 7e46ba95be23 usr.bin/indent/indent.c
--- a/usr.bin/indent/indent.c   Sun Nov 07 18:38:34 2021 +0000
+++ b/usr.bin/indent/indent.c   Sun Nov 07 18:49:02 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: indent.c,v 1.216 2021/11/07 18:26:17 rillig Exp $      */
+/*     $NetBSD: indent.c,v 1.217 2021/11/07 18:49:02 rillig Exp $      */
 
 /*-
  * SPDX-License-Identifier: BSD-4-Clause
@@ -43,7 +43,7 @@
 
 #include <sys/cdefs.h>
 #if defined(__NetBSD__)
-__RCSID("$NetBSD: indent.c,v 1.216 2021/11/07 18:26:17 rillig Exp $");
+__RCSID("$NetBSD: indent.c,v 1.217 2021/11/07 18:49:02 rillig Exp $");
 #elif defined(__FreeBSD__)
 __FBSDID("$FreeBSD: head/usr.bin/indent/indent.c 340138 2018-11-04 19:24:49Z oshogbo $");
 #endif
@@ -475,6 +475,7 @@
            search_stmt_newline(force_nl);
            break;
        case lsym_form_feed:
+           /* XXX: Is simply removed from the source code. */
            break;
        case lsym_comment:
            search_stmt_comment();