[src/trunk]: src tests/lint: test syntax error in initialization using design...

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

details:   https://anonhg.NetBSD.org/src/rev/518e694fb6bb
branches:  trunk
changeset: 1021835:518e694fb6bb
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sun Jun 20 18:09:48 2021 +0000

description:
tests/lint: test syntax error in initialization using designator

This test prepares the upcoming refactoring of the grammar.

diffstat:

 distrib/sets/lists/tests/mi                       |   4 ++-
 tests/usr.bin/xlint/lint1/Makefile                |   4 ++-
 tests/usr.bin/xlint/lint1/c99_init_designator.c   |  28 +++++++++++++++++++++++
 tests/usr.bin/xlint/lint1/c99_init_designator.exp |   1 +
 tests/usr.bin/xlint/lint1/t_integration.sh        |   3 +-
 5 files changed, 37 insertions(+), 3 deletions(-)

diffs (90 lines):

diff -r b944fb85dbf8 -r 518e694fb6bb distrib/sets/lists/tests/mi
--- a/distrib/sets/lists/tests/mi       Sun Jun 20 12:29:58 2021 +0000
+++ b/distrib/sets/lists/tests/mi       Sun Jun 20 18:09:48 2021 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: mi,v 1.1062 2021/06/19 20:25:57 rillig Exp $
+# $NetBSD: mi,v 1.1063 2021/06/20 18:09:48 rillig Exp $
 #
 # Note: don't delete entries from here - mark them as "obsolete" instead.
 #
@@ -6105,6 +6105,8 @@
 ./usr/tests/usr.bin/xlint/lint1                                tests-usr.bin-tests     compattestfile,atf
 ./usr/tests/usr.bin/xlint/lint1/Atffile                                tests-usr.bin-tests     compattestfile,atf
 ./usr/tests/usr.bin/xlint/lint1/Kyuafile                       tests-usr.bin-tests     compattestfile,atf,kyua
+./usr/tests/usr.bin/xlint/lint1/c99_init_designator.c          tests-usr.bin-tests     compattestfile,atf
+./usr/tests/usr.bin/xlint/lint1/c99_init_designator.exp                tests-usr.bin-tests     compattestfile,atf
 ./usr/tests/usr.bin/xlint/lint1/d_alignof.c                    tests-usr.bin-tests     compattestfile,atf
 ./usr/tests/usr.bin/xlint/lint1/d_bltinoffsetof.c              tests-usr.bin-tests     compattestfile,atf
 ./usr/tests/usr.bin/xlint/lint1/d_c99_anon_struct.c            tests-usr.bin-tests     compattestfile,atf
diff -r b944fb85dbf8 -r 518e694fb6bb tests/usr.bin/xlint/lint1/Makefile
--- a/tests/usr.bin/xlint/lint1/Makefile        Sun Jun 20 12:29:58 2021 +0000
+++ b/tests/usr.bin/xlint/lint1/Makefile        Sun Jun 20 18:09:48 2021 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.64 2021/06/19 20:25:58 rillig Exp $
+# $NetBSD: Makefile,v 1.65 2021/06/20 18:09:48 rillig Exp $
 
 NOMAN=         # defined
 MAX_MESSAGE=   344             # see lint1/err.c
@@ -10,6 +10,8 @@
 TESTS_SH=      t_integration
 
 FILESDIR=      ${TESTSDIR}
+FILES+=                c99_init_designator.c
+FILES+=                c99_init_designator.exp
 FILES+=                d_alignof.c
 FILES+=                d_bltinoffsetof.c
 FILES+=                d_c99_bool.c
diff -r b944fb85dbf8 -r 518e694fb6bb tests/usr.bin/xlint/lint1/c99_init_designator.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/usr.bin/xlint/lint1/c99_init_designator.c   Sun Jun 20 18:09:48 2021 +0000
@@ -0,0 +1,28 @@
+/*     $NetBSD: c99_init_designator.c,v 1.1 2021/06/20 18:09:48 rillig Exp $   */
+# 3 "c99_init_designator.c"
+
+/*
+ * Test initialization of structs or unions using designators.
+ *
+ * See init.c, 'struct designator' and 'struct designation'.
+ *
+ * C99 6.7.8p6, 6.7.8p7
+ */
+
+struct point {
+       int x;
+       int y;
+};
+
+/*
+ * Before cgram.y 1.230 from 2021-06-20, the grammar allowed either of the
+ * operators '.' or '->' to be used for the designators and had extra code
+ * to ensure that only '.' was actually used.
+ */
+struct point origin = {
+    .x = 0,
+    ->y = 0,                   /* expect: syntax error '->' */
+};
+
+/* Ensure that the parser can recover from the parse error. */
+struct point pythagoras = { 3, 4 };
diff -r b944fb85dbf8 -r 518e694fb6bb tests/usr.bin/xlint/lint1/c99_init_designator.exp
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/usr.bin/xlint/lint1/c99_init_designator.exp Sun Jun 20 18:09:48 2021 +0000
@@ -0,0 +1,1 @@
+c99_init_designator.c(24): error: syntax error '->' [249]
diff -r b944fb85dbf8 -r 518e694fb6bb tests/usr.bin/xlint/lint1/t_integration.sh
--- a/tests/usr.bin/xlint/lint1/t_integration.sh        Sun Jun 20 12:29:58 2021 +0000
+++ b/tests/usr.bin/xlint/lint1/t_integration.sh        Sun Jun 20 18:09:48 2021 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: t_integration.sh,v 1.56 2021/06/19 20:25:58 rillig Exp $
+# $NetBSD: t_integration.sh,v 1.57 2021/06/20 18:09:48 rillig Exp $
 #
 # Copyright (c) 2008, 2010 The NetBSD Foundation, Inc.
 # All rights reserved.
@@ -99,6 +99,7 @@
 
 
 test_case all_messages
+test_case c99_init_designator
 test_case d_alignof
 test_case d_bltinoffsetof
 test_case d_c99_anon_struct