diagnostic.h (struct diagnostic_context): Add new field.

	* diagnostic.h (struct diagnostic_context): Add new field.
	(lang_diagnostic_starter, lang_diagnostic_finalizer): Remove
	declaratons.
	(global_dc): Declare.
	* diagnostic.c (global_diagnostic_context): New variable.
	(global_output_buffer): Remove.
	(global_dc): Define.
	(lang_diagnostic_starter, lang_diagnostic_finalizer): Remove
 	definitions.
	(initialize_diagnostics): Adjust initialization.
	(set_diagnostic_context): Adjust setting.

cp/

	* error.c (init_error): Adjust settings.

From-SVN: r43581

gcc/ChangeLog

+2001-06-26  Gabriel Dos Reis  <gdr@codesourcery.com>
+
+	* diagnostic.h (struct diagnostic_context): Add new field.
+	(lang_diagnostic_starter, lang_diagnostic_finalizer): Remove
+	declaratons.
+	(global_dc): Declare.
+	* diagnostic.c (global_diagnostic_context): New variable.
+	(global_output_buffer): Remove.
+	(global_dc): Define.
+	(lang_diagnostic_starter, lang_diagnostic_finalizer): Remove
+	definitions.
+	(initialize_diagnostics): Adjust initialization.
+	(set_diagnostic_context): Adjust setting.
+
 2001-06-26  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 
 	* config/mips/iris5.h (UNALIGNED_INT_ASM_OP,

gcc/cp/ChangeLog

+2001-06-26  Gabriel Dos Reis  <gdr@codesourcery.com>
+
+	* error.c (init_error): Adjust settings.
+
 2001-06-19  Richard Sandiford  <rsandifo@redhat.com>
 
 	* except.c (initialize_handler_parm): Expect __cxa_begin_catch to

gcc/cp/error.c

@@ -191,13 +191,12 @@ cp_printer * cp_printers[256] =
 void
 init_error ()
 {
-  init_output_buffer (scratch_buffer, /* prefix */NULL, /* line-width */0);
-  
   print_error_function = lang_print_error_function;
-  lang_diagnostic_starter = cp_diagnostic_starter;
-  lang_diagnostic_finalizer = cp_diagnostic_finalizer;
-
+  diagnostic_starter (global_dc) = cp_diagnostic_starter;
+  diagnostic_finalizer (global_dc) = cp_diagnostic_finalizer;
   lang_printer = cp_tree_printer;
+  
+  init_output_buffer (scratch_buffer, /* prefix */NULL, /* line-width */0);
 }
 
 /* Dump a scope, if deemed necessary.  */

gcc/diagnostic.c

@@ -108,9 +108,12 @@ extern int warnings_are_errors;
 /* Front-end specific tree formatter, if non-NULL.  */
 printer_fn lang_printer = NULL;
 
-/* An output_buffer surrogate for stderr.  */
-static output_buffer global_output_buffer;
-output_buffer *diagnostic_buffer = &global_output_buffer;
+/* A diagnostic_context surrogate for stderr.  */
+static diagnostic_context global_diagnostic_context;
+diagnostic_context *global_dc = &global_diagnostic_context;
+
+/* This will be removed shortly.  */
+output_buffer *diagnostic_buffer = &global_diagnostic_context.buffer;
 
 /* Function of last error message;
    more generally, function such that if next error message is in it
@@ -126,10 +129,6 @@ static int last_error_tick;
 void (*print_error_function) PARAMS ((const char *)) =
   default_print_error_function;
 
-/* Hooks for language specific diagnostic messages pager and finalizer.  */
-diagnostic_starter_fn lang_diagnostic_starter;
-diagnostic_finalizer_fn lang_diagnostic_finalizer;
-
 /* Maximum characters per line in automatic line wrapping mode.
    Zero means don't wrap lines. */
 
@@ -189,8 +188,8 @@ initialize_diagnostics ()
   /* Proceed to actual initialization.  */
   default_initialize_buffer (diagnostic_buffer);
 
-  lang_diagnostic_starter = default_diagnostic_starter;
-  lang_diagnostic_finalizer = default_diagnostic_finalizer;
+  diagnostic_starter (global_dc) = default_diagnostic_starter;
+  diagnostic_finalizer (global_dc) = default_diagnostic_finalizer;
 }
 
 void
@@ -1772,8 +1771,8 @@ set_diagnostic_context (dc, msgid, args_ptr, file, line, warn)
   diagnostic_file_location (dc) = file;
   diagnostic_line_location (dc) = line;
   diagnostic_is_warning (dc) = warn;
-  diagnostic_starter (dc) = lang_diagnostic_starter;
-  diagnostic_finalizer (dc) = lang_diagnostic_finalizer;
+  diagnostic_starter (dc) = diagnostic_starter (global_dc);
+  diagnostic_finalizer (dc) = diagnostic_finalizer (global_dc);
 }
 
 void

gcc/diagnostic.h

@@ -132,6 +132,11 @@ struct output_buffer
    the context of a diagnostic message.  */
 struct diagnostic_context
 {
+  /* Where most of the diagnostic formatting work is done.  In Object
+     Oriented terms, we'll say that diagnostic_context is a sub-class of
+     output_buffer.  */
+  output_buffer buffer;
+
   /* The diagnostic message to output.  */
   const char *message;
 
@@ -185,9 +190,6 @@ struct diagnostic_context
 
 extern printer_fn lang_printer;
 
-extern diagnostic_starter_fn lang_diagnostic_starter;
-extern diagnostic_finalizer_fn lang_diagnostic_finalizer;
-
 extern int diagnostic_message_length_per_line;
 
 /* This output buffer is used by front-ends that directly output
@@ -196,6 +198,7 @@ extern int diagnostic_message_length_per_line;
    avoided.  This global buffer will go away, once all such usage
    has been removed.  */
 extern output_buffer *diagnostic_buffer;
+extern diagnostic_context *global_dc;
 
 #define diagnostic_kind_count(BUFFER, DK) \
    (BUFFER)->state.diagnostic_count[(int) DK]