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[src/trunk]: src/usr.bin/xlint/lint1 lint: fix assertion failure for syntax e...



details:   https://anonhg.NetBSD.org/src/rev/d15ccc2db3c7
branches:  trunk
changeset: 979788:d15ccc2db3c7
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sun Jan 10 18:13:42 2021 +0000

description:
lint: fix assertion failure for syntax error in enum declaration

diffstat:

 tests/usr.bin/xlint/lint1/d_lint_assert.c   |  10 +++-------
 tests/usr.bin/xlint/lint1/d_lint_assert.exp |   2 +-
 usr.bin/xlint/lint1/decl.c                  |   7 +++++--
 3 files changed, 9 insertions(+), 10 deletions(-)

diffs (60 lines):

diff -r e8e63a2c9ce4 -r d15ccc2db3c7 tests/usr.bin/xlint/lint1/d_lint_assert.c
--- a/tests/usr.bin/xlint/lint1/d_lint_assert.c Sun Jan 10 18:06:38 2021 +0000
+++ b/tests/usr.bin/xlint/lint1/d_lint_assert.c Sun Jan 10 18:13:42 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: d_lint_assert.c,v 1.1 2021/01/10 18:06:38 rillig Exp $ */
+/*     $NetBSD: d_lint_assert.c,v 1.2 2021/01/10 18:13:43 rillig Exp $ */
 # 3 "d_lint_assert.c"
 
 /*
@@ -6,14 +6,10 @@
  * just hard to trigger, but not impossible.
 */
 
-/* lint1-extra-flags: -p */
-
 enum {
+       // Before decl.c 1.118 from 2021-01-10:
        // lint: assertion "sym->s_scl == EXTERN || sym->s_scl == STATIC"
        // failed in check_global_variable at decl.c:3135
        // near d_lint_assert.c:14
-       //A = +++
-       DUMMY = 0
+       A = +++
 };
-
-"syntax error to keep the .exp file."
diff -r e8e63a2c9ce4 -r d15ccc2db3c7 tests/usr.bin/xlint/lint1/d_lint_assert.exp
--- a/tests/usr.bin/xlint/lint1/d_lint_assert.exp       Sun Jan 10 18:06:38 2021 +0000
+++ b/tests/usr.bin/xlint/lint1/d_lint_assert.exp       Sun Jan 10 18:13:42 2021 +0000
@@ -1,1 +1,1 @@
-d_lint_assert.c(19): syntax error '"' [249]
+d_lint_assert.c(15): syntax error '}' [249]
diff -r e8e63a2c9ce4 -r d15ccc2db3c7 usr.bin/xlint/lint1/decl.c
--- a/usr.bin/xlint/lint1/decl.c        Sun Jan 10 18:06:38 2021 +0000
+++ b/usr.bin/xlint/lint1/decl.c        Sun Jan 10 18:13:42 2021 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: decl.c,v 1.118 2021/01/10 14:12:48 rillig Exp $ */
+/* $NetBSD: decl.c,v 1.119 2021/01/10 18:13:42 rillig Exp $ */
 
 /*
  * Copyright (c) 1996 Christopher G. Demetriou.  All Rights Reserved.
@@ -38,7 +38,7 @@
 
 #include <sys/cdefs.h>
 #if defined(__RCSID) && !defined(lint)
-__RCSID("$NetBSD: decl.c,v 1.118 2021/01/10 14:12:48 rillig Exp $");
+__RCSID("$NetBSD: decl.c,v 1.119 2021/01/10 18:13:42 rillig Exp $");
 #endif
 
 #include <sys/param.h>
@@ -3132,6 +3132,9 @@
        if (sym->s_scl == TYPEDEF || sym->s_scl == ENUMCON)
                return;
 
+       if (sym->s_scl == NOSCL)
+               return;         /* May be caused by a syntax error. */
+
        lint_assert(sym->s_scl == EXTERN || sym->s_scl == STATIC);
 
        check_global_variable_size(sym);



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