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From: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
To: linux-sparse@vger.kernel.org
Cc: Christopher Li <sparse@chrisli.org>,
	Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Subject: [PATCH 5/6] let -dD report #undef too
Date: Tue,  4 Apr 2017 23:49:54 +0200	[thread overview]
Message-ID: <20170404214955.47926-6-luc.vanoostenryck@gmail.com> (raw)
In-Reply-To: <20170404214955.47926-1-luc.vanoostenryck@gmail.com>

Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
---
 pre-process.c                         | 3 +++
 validation/preprocessor/dump-macros.c | 1 +
 2 files changed, 4 insertions(+)

diff --git a/pre-process.c b/pre-process.c
index 74414dfeb..63df3f71c 100644
--- a/pre-process.c
+++ b/pre-process.c
@@ -1406,6 +1406,7 @@ static int do_handle_undef(struct stream *stream, struct token **line, struct to
 	if (!sym || sym->scope != file_scope) {
 		sym = alloc_symbol(left->pos, SYM_NODE);
 		bind_symbol(sym, left->ident, NS_MACRO);
+		add_ident(&macros, left->ident);
 	}
 
 	sym->namespace = NS_UNDEF;
@@ -2063,5 +2064,7 @@ void dump_macro_definitions(void)
 		struct symbol *sym = lookup_macro(name);
 		if (sym)
 			dump_macro(sym);
+		else
+			printf("#undef %s\n", show_ident(name));
 	} END_FOR_EACH_PTR(name);
 }
diff --git a/validation/preprocessor/dump-macros.c b/validation/preprocessor/dump-macros.c
index 79f3de6a2..5508233aa 100644
--- a/validation/preprocessor/dump-macros.c
+++ b/validation/preprocessor/dump-macros.c
@@ -15,4 +15,5 @@ check-output-pattern-1-times: #define __CHECKER__ 1
 check-output-contains: #define IJK ijk
 check-output-contains: #define DEF xyz
 check-output-contains: #define NYDEF ydef
+check-output-contains: #undef ABC
  */
-- 
2.12.0


  parent reply	other threads:[~2017-04-04 21:50 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-04 21:49 [PATCH 0/6] dump macros definitions Luc Van Oostenryck
2017-04-04 21:49 ` [PATCH 1/6] define ident_list Luc Van Oostenryck
2017-04-04 21:49 ` [PATCH 2/6] teach sparse how to dump macro definitions Luc Van Oostenryck
2017-06-01  6:56   ` Christopher Li
2017-06-01 14:08     ` Luc Van Oostenryck
2017-04-04 21:49 ` [PATCH 3/6] teach sparse how to handle -dD flag Luc Van Oostenryck
2017-04-04 21:49 ` [PATCH 4/6] let -dD report macro defintions Luc Van Oostenryck
2017-04-04 21:49 ` Luc Van Oostenryck [this message]
2017-04-04 21:49 ` [PATCH 6/6] fix -dD for never-defined #undef Luc Van Oostenryck
2017-04-06  8:05 ` [PATCH 0/6] dump macros definitions Christopher Li
2017-04-06 11:51   ` Luc Van Oostenryck

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