* Makefile.in: Update cppmain.o.
* cpphash.h (struct cpp_reader): Move some members to a
nested structure.
(trad_line): Rename saved_line.
(_cpp_read_logical_line_trad): Update.
(_cpp_remove_overlay): New.
* cppinit.c (cpp_create_reader): No need to set saved_line.
(cpp_destroy): Update.
(cpp_read_main_file): Only overlay if compiling.
* cpplex.c (continue_after_nul): Return false if in directive.
* cpplib.c (EXPAND): New.
(directive_table, SEEN_EOL): Update.
(end_directive): Remove overlay if traditional; don't skip
line in traditional #define.
(prepare_directive_trad): New.
(_cpp_handle_directive, run_directive): Update for traditional
directives.
(lex_macro_node): Simplify, don't use lex_identifier_trad.
* cpplib.h (struct options): Add preprocess_only.
* cppmain.c: Don't include intl.h.
(cpp_preprocess_file): Set options->preprocess_only.
(scan_translation_unit_trad): Fix, and print line numbers.
* cpptrad.c (check_output_buffer, lex_identifier, scan_parameters,
maybe_start_funlike, scan_out_logical_line, replace_args_and_push,
save_replacement_text, _cpp_create_trad_definition): Update for
variable renaming.
(_cpp_overlay_buffer): Save line number.
(_cpp_remove_overlay): Rename from restore_buff, restore line.
(_cpp_read_logical_line_trad): Don't handle overlays here.
(scan_out_logical_line): Process directives.
From-SVN: r54485
