Makefile.in: Replace toplev.h with TOPLEV_H.

2007-07-21  Rafael Avila de Espindola  <espindola@google.com>

	* Makefile.in: Replace toplev.h with TOPLEV_H.
	* c-decl.c (merge_decls): Don't set DECL_IN_SYSTEM_HEADER.
	* c-lex.c (fe_file_change): Don't set in_system_header.
	* c-parser.c (c_token): Remove in_system_header.
	(c_lex_one_token): Don't set in_system_header.
	(c_parser_set_source_position_from_token): Don't set in_system_header.
	* diagnostic.c (diagnostic_report_diagnostic): Use location from
	diagnostic_info.
	(warning_at): New.
	* diagnostic.h (diagnostic_report_warnings_p): Add LOC argument.
	* flags.h (in_system_header): Remove.
	* function.c (saved_in_system_header): Remove.
	(push_cfun): Don't set in_system_header.
	(pop_cfun): Don't set in_system_header.
	(push_struct_function): Don't set in_system_header.
	* input.h (expanded_location): Add sysp.
	(in_system_header_at): New.
	(in_system_header): New.
	* toplev.c (in_system_header): Remove.
	* toplev.h: Include input.h
	(warning_at): New.
	* tree-cfg.c (execute_warn_function_return): Call warning_at.
	* tree-ssa.c (warn_uninit): Call warning_at.
	(warn_uninitialized_var): Update calls to warn_uninit.
	(warn_uninitialized_phi): Update calls to warn_uninit.
	* tree.c (make_node_stat): Don't set DECL_IN_SYSTEM_HEADER.
	(expand_location): Initialize xloc.sysp.
	* tree.h (DECL_IN_SYSTEM_HEADER): Use in_system_header_at.
	(tree_decl_with_vis): Remove in_system_header_flag.

2007-07-21  Rafael Avila de Espindola  <espindola@google.com>

	* parser.c (cp_token): Remove in_system_header.
	(eof_token): Remove in_system_header.
	(cp_lexer_get_preprocessor_token): Don't set in_system_header.
	(cp_lexer_set_source_position_from_token): Don't set in_system_header.
	(cp_parser_member_declaration):  Use in_system_header_at.
	* pt.c (lookup_template_class): Don't set DECL_IN_SYSTEM_HEADER.
	(pop_tinst_level): Don't set in_system_header.
	(instantiate_class_template): Don't set in_system_header.
	(instantiate_decl): Don't set in_system_header.
	(instantiate_pending_templates): Don't set in_system_header.

From-SVN: r138031

1 files changed, 20 insertions, 3 deletions

diff --git a/gcc/diagnostic.c b/gcc/diagnostic.c
index 5a6aaee..c6500d8 100644
--- a/gcc/diagnostic.c
+++ b/gcc/diagnostic.c
@@ -299,13 +299,14 @@ void
 diagnostic_report_diagnostic (diagnostic_context *context,
 			      diagnostic_info *diagnostic)
 {
+  location_t location = diagnostic->location;
   bool maybe_print_warnings_as_errors_message = false;
   const char *saved_format_spec;
 
   /* Give preference to being able to inhibit warnings, before they
      get reclassified to something else.  */
   if (diagnostic->kind == DK_WARNING 
-      && !diagnostic_report_warnings_p ())
+      && !diagnostic_report_warnings_p (location))
     return;
   
   if (context->lock > 0)
@@ -470,8 +471,8 @@ inform (const char *gmsgid, ...)
   va_end (ap);
 }
 
-/* A warning.  Use this for code which is correct according to the
-   relevant language specification but is likely to be buggy anyway.  */
+/* A warning at INPUT_LOCATION.  Use this for code which is correct according
+   to the relevant language specification but is likely to be buggy anyway.  */
 void
 warning (int opt, const char *gmsgid, ...)
 {
@@ -498,6 +499,22 @@ warning0 (const char *gmsgid, ...)
   va_end (ap);
 }
 
+/* A warning at LOCATION.  Use this for code which is correct according to the
+   relevant language specification but is likely to be buggy anyway.  */
+void
+warning_at (location_t location, int opt, const char *gmsgid, ...)
+{
+  diagnostic_info diagnostic;
+  va_list ap;
+
+  va_start (ap, gmsgid);
+  diagnostic_set_info (&diagnostic, gmsgid, &ap, location, DK_WARNING);
+  diagnostic.option_index = opt;
+
+  report_diagnostic (&diagnostic);
+  va_end (ap);
+}
+
 /* A "pedantic" warning: issues a warning unless -pedantic-errors was
    given on the command line, in which case it issues an error.  Use
    this for diagnostics required by the relevant language standard,