cppmacro.c: Don't warn about function-like macros without '(' during pre-expandion.
* cppmacro.c: Don't warn about function-like macros without '(' during pre-expandion. testsuite: * gcc.dg/cpp/tr-warn2.c: Update. From-SVN: r57366
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@ -1,3 +1,8 @@
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2002-09-20 Neil Booth <neil@daikokuya.co.uk>
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* cppmacro.c: Don't warn about function-like macros without
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'(' during pre-expandion.
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2002-09-20 Jim Wilson <wilson@redhat.com>
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2002-09-20 Jim Wilson <wilson@redhat.com>
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* config/v850/v850.c (current_function_anonymous_args): Delete.
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* config/v850/v850.c (current_function_anonymous_args): Delete.
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@ -1032,10 +1032,15 @@ expand_arg (pfile, arg)
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macro_arg *arg;
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macro_arg *arg;
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{
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{
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unsigned int capacity;
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unsigned int capacity;
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bool saved_warn_trad;
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if (arg->count == 0)
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if (arg->count == 0)
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return;
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return;
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/* Don't warn about funlike macros when pre-expanding. */
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saved_warn_trad = CPP_WTRADITIONAL (pfile);
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CPP_WTRADITIONAL (pfile) = 0;
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/* Loop, reading in the arguments. */
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/* Loop, reading in the arguments. */
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capacity = 256;
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capacity = 256;
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arg->expanded = (const cpp_token **)
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arg->expanded = (const cpp_token **)
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@ -1062,6 +1067,8 @@ expand_arg (pfile, arg)
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}
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}
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_cpp_pop_context (pfile);
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_cpp_pop_context (pfile);
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CPP_WTRADITIONAL (pfile) = saved_warn_trad;
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}
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}
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/* Pop the current context off the stack, re-enabling the macro if the
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/* Pop the current context off the stack, re-enabling the macro if the
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@ -1,3 +1,7 @@
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2002-09-20 Neil Booth <neil@daikokuya.co.uk>
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* gcc.dg/cpp/tr-warn2.c: Update.
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2002-09-20 Richard Earnshaw <rearnsha@arm.com>
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2002-09-20 Richard Earnshaw <rearnsha@arm.com>
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* gcc.c-torture/execute/20020720-1.x: Skip test on ARM-based systems.
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* gcc.c-torture/execute/20020720-1.x: Skip test on ARM-based systems.
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@ -1,14 +1,16 @@
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/* K+R rejects use of function-like macros in non-function context.
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/* K+R rejects use of function-like macros in non-function context.
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ANSI C explicitly permits this (the macro is not expanded). */
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ANSI C explicitly permits this (the macro is not expanded).
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/* { dg-do compile } */
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We should not warn about this during pre-expansion of arguments,
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since traditional preprocessors don't do pre-expansion, and we get
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the warning anyway during the re-scan pass if and only if it is
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appropriate. */
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/* { dg-do preprocess } */
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/* { dg-options -Wtraditional } */
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/* { dg-options -Wtraditional } */
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enum { SIGN_EXTEND = 23 };
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#define f(x) x
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#define g(x) x / 2
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#define SIGN_EXTEND(v) (((v) < 0) ? -1 : 0)
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f(g) (3) /* { dg-bogus "must be used with arguments" } */
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f 2 /* { dg-warning "must be used with arguments" } */
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int fun()
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f(g) 3 /* { dg-warning "must be used with arguments" } */
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{
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return SIGN_EXTEND; /* { dg-warning "must be used with arguments" } */
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}
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