[nasm:master] preproc: Warn if someone predefines non ID as definition

[nasm-bot f. C. G. <gor...@gm...>]

Commit-ID:  6d42e9ba4730dc8472e4ec698e2af549c53861c3
Gitweb:     http://repo.or.cz/w/nasm.git?a=commitdiff;h=6d42e9ba4730dc8472e4ec698e2af549c53861c3
Author:     Cyrill Gorcunov <gor...@gm...>
AuthorDate: Sun, 8 Feb 2015 11:07:17 +0300
Committer:  Cyrill Gorcunov <gor...@gm...>
CommitDate: Sun, 8 Feb 2015 11:07:17 +0300

preproc: Warn if someone predefines non ID as definition

Not sure if someone is used this but to not break
backward compatibility lets simply yield error but
don't stop processing.

http://bugzilla.nasm.us/show_bug.cgi?id=3392300

Reported-by: Dave Shields <the...@gm...>
Signed-off-by: Cyrill Gorcunov <gor...@gm...>


---
 preproc.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/preproc.c b/preproc.c
index 12b3978..4e05298 100644
--- a/preproc.c
+++ b/preproc.c
@@ -5203,6 +5203,10 @@ static void pp_pre_define(char *definition)
     if (equals)
         *equals = '=';
 
+    if (space->next->type != TOK_PREPROC_ID &&
+        space->next->type != TOK_ID)
+        error(ERR_WARNING, "pre-defining non ID `%s\'\n", definition);
+
     l = nasm_malloc(sizeof(Line));
     l->next = predef;
     l->first = def;