c-aux-info.c: Include toplev.h after c-tree.h.

gcc:
	* c-aux-info.c: Include toplev.h after c-tree.h.
	* c-common.c: Likewise.
	(GCC_DIAG_STYLE): Undef.
	* c-semantics.c (GCC_DIAG_STYLE): Define.
	* c-tree.h (GCC_DIAG_STYLE): Likewise.
	* diagnostic.h (inform): Move prototype to toplev.h.
	* jump.c: Include diagnostic.h before toplev.h.
	* toplev.h (GCC_DIAG_STYLE, ATTRIBUTE_GCC_DIAG): Define.
	(warning, error, fatal_error, pedwarn, sorry, inform,
	error_for_asm, warning_for_asm): Mark with ATTRIBUTE_GCC_CXXDIAG.

cp:
	* cp-tree.h (GCC_DIAG_STYLE, ATTRIBUTE_GCC_CXXDIAG): Define.
	(cp_error_at, cp_warning_at, cp_pedwarn_at): Mark with
	ATTRIBUTE_GCC_CXXDIAG.

From-SVN: r68910

gcc/ChangeLog

+2003-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* c-aux-info.c: Include toplev.h after c-tree.h.
+	* c-common.c: Likewise.
+	(GCC_DIAG_STYLE): Undef.
+	* c-semantics.c (GCC_DIAG_STYLE): Define.
+	* c-tree.h (GCC_DIAG_STYLE): Likewise.
+	* diagnostic.h (inform): Move prototype to toplev.h.
+	* jump.c: Include diagnostic.h before toplev.h.
+	* toplev.h (GCC_DIAG_STYLE, ATTRIBUTE_GCC_DIAG): Define.
+	(warning, error, fatal_error, pedwarn, sorry, inform,
+	error_for_asm, warning_for_asm): Mark with ATTRIBUTE_GCC_CXXDIAG.
+
 2003-07-03  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
 
 	* cfglayout.c (cfg_layout_duplicate_bb): Do not update frequencies

gcc/c-aux-info.c

@@ -26,10 +26,10 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 #include "system.h"
 #include "coretypes.h"
 #include "tm.h"
-#include "toplev.h"
 #include "flags.h"
 #include "tree.h"
 #include "c-tree.h"
+#include "toplev.h"
 
 enum formals_style_enum {
   ansi,

gcc/c-common.c

@@ -26,7 +26,6 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 #include "intl.h"
 #include "tree.h"
 #include "flags.h"
-#include "toplev.h"
 #include "output.h"
 #include "c-pragma.h"
 #include "rtl.h"
@@ -42,6 +41,11 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 #include "langhooks.h"
 #include "tree-inline.h"
 #include "c-tree.h"
+/* In order to ensure we use a common subset of valid specifiers
+   (between the various C family frontends) in this file, we restrict
+   ourselves to the generic specifier set.  */
+#undef GCC_DIAG_STYLE
+#include "toplev.h"
 
 cpp_reader *parse_in;		/* Declared in c-pragma.h.  */
 

gcc/c-semantics.c

@@ -31,6 +31,10 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 #include "varray.h"
 #include "c-common.h"
 #include "except.h"
+/* In order for the format checking to accept the C frontend
+   diagnostic framework extensions, you must define this token before
+   including toplev.h.  */
+#define GCC_DIAG_STYLE __gcc_cdiag__
 #include "toplev.h"
 #include "flags.h"
 #include "ggc.h"

gcc/c-tree.h

@@ -305,4 +305,9 @@ extern void c_finish_incomplete_decl (tree);
 extern GTY(()) tree static_ctors;
 extern GTY(()) tree static_dtors;
 
+/* In order for the format checking to accept the C frontend
+   diagnostic framework extensions, you must include this file before
+   toplev.h, not after.  */
+#define GCC_DIAG_STYLE __gcc_cdiag__
+
 #endif /* ! GCC_C_TREE_H */

gcc/cp/ChangeLog

+2003-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* cp-tree.h (GCC_DIAG_STYLE, ATTRIBUTE_GCC_CXXDIAG): Define.
+	(cp_error_at, cp_warning_at, cp_pedwarn_at): Mark with
+	ATTRIBUTE_GCC_CXXDIAG.
+
 2003-07-03  Mark Mitchell  <mark@codesourcery.com>
 
 	* call.c (build_scoped_method_call): Use convert_to_void.

gcc/cp/cp-tree.h

@@ -3802,10 +3802,6 @@ extern tree set_guard (tree);
 extern void prepare_assemble_variable (tree);
 extern void lower_function (tree);
 
-extern void cp_error_at		(const char *msgid, ...);
-extern void cp_warning_at	(const char *msgid, ...);
-extern void cp_pedwarn_at	(const char *msgid, ...);
-
 /* XXX Not i18n clean.  */
 #define cp_deprecated(STR)						\
   do {									\
@@ -4344,4 +4340,18 @@ extern bool cp_dump_tree                         (void *, tree);
 
 /* -- end of C++ */
 
+/* In order for the format checking to accept the C++ frontend
+   diagnostic framework extensions, you must include this file before
+   toplev.h, not after.  */
+#define GCC_DIAG_STYLE __gcc_cxxdiag__
+#if GCC_VERSION >= 3004
+#define ATTRIBUTE_GCC_CXXDIAG(m, n) __attribute__ ((__format__ (GCC_DIAG_STYLE, m, n))) ATTRIBUTE_NONNULL(m)
+#else
+#define ATTRIBUTE_GCC_CXXDIAG(m, n) ATTRIBUTE_NONNULL(m)
+#endif
+
+extern void cp_error_at		(const char *, ...) ATTRIBUTE_GCC_CXXDIAG(1, 2);
+extern void cp_warning_at	(const char *, ...) ATTRIBUTE_GCC_CXXDIAG(1, 2);
+extern void cp_pedwarn_at	(const char *, ...) ATTRIBUTE_GCC_CXXDIAG(1, 2);
+
 #endif /* ! GCC_CP_TREE_H */

gcc/diagnostic.h

@@ -325,6 +325,5 @@ extern void output_printf (output_buffer *, const char *, ...)
 extern void output_verbatim (output_buffer *, const char *, ...);
 extern void verbatim (const char *, ...);
 extern char *file_name_as_prefix (const char *);
-extern void inform (const char *, ...);
 
 #endif /* ! GCC_DIAGNOSTIC_H */

gcc/jump.c

@@ -50,11 +50,11 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 #include "expr.h"
 #include "real.h"
 #include "except.h"
+#include "diagnostic.h"
 #include "toplev.h"
 #include "reload.h"
 #include "predict.h"
 #include "timevar.h"
-#include "diagnostic.h"
 
 /* Optimize jump y; x: ... y: jumpif... x?
    Don't know if it is worth bothering with.  */

gcc/toplev.h

@@ -31,8 +31,6 @@ extern int read_integral_parameter	(const char *, const char *,
 					 const int);
 extern void strip_off_ending		(char *, int);
 extern const char *trim_filename	(const char *);
-extern void internal_error		(const char *, ...)
-     ATTRIBUTE_NORETURN;
 extern void _fatal_insn_not_found	(struct rtx_def *,
   					 const char *, int,
 					 const char *)
@@ -48,15 +46,28 @@ extern void _fatal_insn			(const char *,
 #define fatal_insn_not_found(insn) \
 	_fatal_insn_not_found (insn, __FILE__, __LINE__, __FUNCTION__)
 
+/* If we haven't already defined a frontend specific diagnostics
+   style, use the generic one.  */
+#ifndef GCC_DIAG_STYLE
+#define GCC_DIAG_STYLE __gcc_diag__
+#endif
 /* None of these functions are suitable for ATTRIBUTE_PRINTF, because
    each language front end can extend them with its own set of format
-   specifiers.  */
-extern void warning			(const char *, ...);
-extern void error			(const char *, ...);
-extern void fatal_error			(const char *, ...)
+   specifiers.  We must use custom format checks.  */
+#if GCC_VERSION >= 3004
+#define ATTRIBUTE_GCC_DIAG(m, n) __attribute__ ((__format__ (GCC_DIAG_STYLE, m, n))) ATTRIBUTE_NONNULL(m)
+#else
+#define ATTRIBUTE_GCC_DIAG(m, n) ATTRIBUTE_NONNULL(m)
+#endif
+extern void internal_error		(const char *, ...) ATTRIBUTE_GCC_DIAG(1,2)
      ATTRIBUTE_NORETURN;
-extern void pedwarn			(const char *, ...);
-extern void sorry			(const char *, ...);
+extern void warning			(const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
+extern void error			(const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
+extern void fatal_error			(const char *, ...) ATTRIBUTE_GCC_DIAG(1,2)
+     ATTRIBUTE_NORETURN;
+extern void pedwarn			(const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
+extern void sorry			(const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
+extern void inform                      (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
 
 extern void rest_of_decl_compilation	(union tree_node *,
 					 const char *, int, int);
@@ -73,9 +84,9 @@ extern void error_with_decl		(union tree_node *,
 extern void announce_function		(union tree_node *);
 
 extern void error_for_asm		(struct rtx_def *,
-					 const char *, ...);
+					 const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
 extern void warning_for_asm		(struct rtx_def *,
-					 const char *, ...);
+					 const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
 extern void warn_deprecated_use		(union tree_node *);
 
 extern void output_clean_symbol_name    (FILE *, const char *);