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[src/trunk]: src/usr.bin/xlint/lint1 lint: add type information for 'incompat...



details:   https://anonhg.NetBSD.org/src/rev/e98caf0905e4
branches:  trunk
changeset: 953166:e98caf0905e4
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sun Feb 28 02:00:05 2021 +0000

description:
lint: add type information for 'incompatible struct pointers'

diffstat:

 tests/usr.bin/xlint/lint1/msg_245.c   |  4 ++--
 tests/usr.bin/xlint/lint1/msg_245.exp |  6 +++---
 usr.bin/xlint/lint1/err.c             |  6 +++---
 usr.bin/xlint/lint1/tree.c            |  8 ++++----
 4 files changed, 12 insertions(+), 12 deletions(-)

diffs (79 lines):

diff -r 98ae0711d6d2 -r e98caf0905e4 tests/usr.bin/xlint/lint1/msg_245.c
--- a/tests/usr.bin/xlint/lint1/msg_245.c       Sun Feb 28 01:53:49 2021 +0000
+++ b/tests/usr.bin/xlint/lint1/msg_245.c       Sun Feb 28 02:00:05 2021 +0000
@@ -1,7 +1,7 @@
-/*     $NetBSD: msg_245.c,v 1.3 2021/02/28 01:53:49 rillig Exp $       */
+/*     $NetBSD: msg_245.c,v 1.4 2021/02/28 02:00:06 rillig Exp $       */
 # 3 "msg_245.c"
 
-// Test for message: illegal structure pointer combination, op %s [245]
+// Test for message: incompatible structure pointers: '%s' '%s' '%s' [245]
 
 typedef struct tag_and_typedef_tag {
        int member;
diff -r 98ae0711d6d2 -r e98caf0905e4 tests/usr.bin/xlint/lint1/msg_245.exp
--- a/tests/usr.bin/xlint/lint1/msg_245.exp     Sun Feb 28 01:53:49 2021 +0000
+++ b/tests/usr.bin/xlint/lint1/msg_245.exp     Sun Feb 28 02:00:05 2021 +0000
@@ -1,3 +1,3 @@
-msg_245.c(29): warning: illegal structure pointer combination, op == [245]
-msg_245.c(30): warning: illegal structure pointer combination, op == [245]
-msg_245.c(31): warning: illegal structure pointer combination, op == [245]
+msg_245.c(29): warning: incompatible structure pointers: 'pointer to struct tag_and_typedef_tag' '==' 'pointer to struct only_tag' [245]
+msg_245.c(30): warning: incompatible structure pointers: 'pointer to struct tag_and_typedef_tag' '==' 'pointer to struct <unnamed>' [245]
+msg_245.c(31): warning: incompatible structure pointers: 'pointer to struct tag_and_typedef_tag' '==' 'pointer to struct <unnamed>' [245]
diff -r 98ae0711d6d2 -r e98caf0905e4 usr.bin/xlint/lint1/err.c
--- a/usr.bin/xlint/lint1/err.c Sun Feb 28 01:53:49 2021 +0000
+++ b/usr.bin/xlint/lint1/err.c Sun Feb 28 02:00:05 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: err.c,v 1.84 2021/02/28 01:30:22 rillig Exp $  */
+/*     $NetBSD: err.c,v 1.85 2021/02/28 02:00:05 rillig Exp $  */
 
 /*
  * Copyright (c) 1994, 1995 Jochen Pohl
@@ -37,7 +37,7 @@
 
 #include <sys/cdefs.h>
 #if defined(__RCSID) && !defined(lint)
-__RCSID("$NetBSD: err.c,v 1.84 2021/02/28 01:30:22 rillig Exp $");
+__RCSID("$NetBSD: err.c,v 1.85 2021/02/28 02:00:05 rillig Exp $");
 #endif
 
 #include <sys/types.h>
@@ -304,7 +304,7 @@
        "combination of '%s' and '%s', op %s",                        /* 242 */
        "dubious comparison of enums, op %s",                         /* 243 */
        "illegal structure pointer combination",                      /* 244 */
-       "illegal structure pointer combination, op %s",               /* 245 */
+       "incompatible structure pointers: '%s' '%s' '%s'",            /* 245 */
        "dubious conversion of enum to '%s'",                         /* 246 */
        "pointer cast from '%s' to '%s' may be troublesome",          /* 247 */
        "floating-point constant out of range",                       /* 248 */
diff -r 98ae0711d6d2 -r e98caf0905e4 usr.bin/xlint/lint1/tree.c
--- a/usr.bin/xlint/lint1/tree.c        Sun Feb 28 01:53:49 2021 +0000
+++ b/usr.bin/xlint/lint1/tree.c        Sun Feb 28 02:00:05 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: tree.c,v 1.224 2021/02/28 01:30:22 rillig Exp $        */
+/*     $NetBSD: tree.c,v 1.225 2021/02/28 02:00:05 rillig Exp $        */
 
 /*
  * Copyright (c) 1994, 1995 Jochen Pohl
@@ -37,7 +37,7 @@
 
 #include <sys/cdefs.h>
 #if defined(__RCSID) && !defined(lint)
-__RCSID("$NetBSD: tree.c,v 1.224 2021/02/28 01:30:22 rillig Exp $");
+__RCSID("$NetBSD: tree.c,v 1.225 2021/02/28 02:00:05 rillig Exp $");
 #endif
 
 #include <float.h>
@@ -2567,8 +2567,8 @@
                        /* illegal structure pointer combination */
                        warning(244);
                } else {
-                       /* illegal structure pointer combination, op %s */
-                       warning(245, mp->m_name);
+                       /* incompatible structure pointers: '%s' '%s' '%s' */
+                       warning(245, type_name(ltp), mp->m_name, type_name(rtp));
                }
        } else {
                if (mp == NULL) {



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