2000-06-06  Gabriel Dos Reis  <gdr@codesourcery.com>

        * diagnostic.c (output_maximum_width): Remove.
        (doing_line_wrapping): Tweak.
        (diagnostic_buffer): New object.
        (global_output_buffer): New object.
        (output_destroy_prefix): New function.
        (default_initialize_buffer): Likewise.
        (reshape_diagnostic_buffer): Likewise.
        (initialize_diagnostics): Likewise.
        (output_clear): Tweak.
        (line_wrapper_printf): Adjust call to init_output_buffer.
        (vline_wrapper_message_with_location): Likewise.  Use
        output_destroy_prefix.
        (v_message_with_decl): Likewise.

        * diagnostic.h (struct output_buffer): Constify prefix.
        (init_output_buffer, output_get_prefix): Constify.
        (diagnostic_message_length_per_line): Likewise.
        (reshape_diagnostic_buffer): Declare.
        (default_initialize_buffer): Declare.
        (initialize_diagnostics): Declare.
        (diagnostic_buffer): Declare new obbject.

        * toplev.c: #include diagnostic.h
        (display_help): Document diagnostic formatting options.
        (decode_f_option): Handle diagnostic formatting options.
        (main): Setup initialization for diagnostic messages outputter.

        * toplev.h (set_message_length): Remove.

        * Makefile.in (toplev.o): Depends upon diagnostic.h

        * invoke.texi : Document diagnostics formatting options.

cp/
2000-06-06  Gabriel Dos Reis  <gdr@codesourcery.com>

        * lex.c (lang_init_options): Tweak.

        * decl2.c: Remove #inclusion of diagnostic.h
        (lang_decode_option): Move diagnostic formatting options to
        toplevel.

        * lang-options.h: Remove documentation for diagnostic options.

        * Makefile.in (lex.o): Depends upon diagnostic.h

From-SVN: r34435