'(' during pre-expandion.
testsuite:
* gcc.dg/cpp/tr-warn2.c: Update.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@57366
138bc75d-0d04-0410-961f-
82ee72b054a4
+2002-09-20 Neil Booth <neil@daikokuya.co.uk>
+
+ * cppmacro.c: Don't warn about function-like macros without
+ '(' during pre-expandion.
+
2002-09-20 Jim Wilson <wilson@redhat.com>
* config/v850/v850.c (current_function_anonymous_args): Delete.
macro_arg *arg;
{
unsigned int capacity;
+ bool saved_warn_trad;
if (arg->count == 0)
return;
+ /* Don't warn about funlike macros when pre-expanding. */
+ saved_warn_trad = CPP_WTRADITIONAL (pfile);
+ CPP_WTRADITIONAL (pfile) = 0;
+
/* Loop, reading in the arguments. */
capacity = 256;
arg->expanded = (const cpp_token **)
}
_cpp_pop_context (pfile);
+
+ CPP_WTRADITIONAL (pfile) = saved_warn_trad;
}
/* Pop the current context off the stack, re-enabling the macro if the
+2002-09-20 Neil Booth <neil@daikokuya.co.uk>
+
+ * gcc.dg/cpp/tr-warn2.c: Update.
+
2002-09-20 Richard Earnshaw <rearnsha@arm.com>
* gcc.c-torture/execute/20020720-1.x: Skip test on ARM-based systems.
/* K+R rejects use of function-like macros in non-function context.
- ANSI C explicitly permits this (the macro is not expanded). */
+ ANSI C explicitly permits this (the macro is not expanded).
-/* { dg-do compile } */
-/* { dg-options -Wtraditional } */
-
-enum { SIGN_EXTEND = 23 };
+ We should not warn about this during pre-expansion of arguments,
+ since traditional preprocessors don't do pre-expansion, and we get
+ the warning anyway during the re-scan pass if and only if it is
+ appropriate. */
-#define SIGN_EXTEND(v) (((v) < 0) ? -1 : 0)
+/* { dg-do preprocess } */
+/* { dg-options -Wtraditional } */
-int fun()
-{
- return SIGN_EXTEND; /* { dg-warning "must be used with arguments" } */
-}
+#define f(x) x
+#define g(x) x / 2
+f(g) (3) /* { dg-bogus "must be used with arguments" } */
+f 2 /* { dg-warning "must be used with arguments" } */
+f(g) 3 /* { dg-warning "must be used with arguments" } */