2007-10-27 Tobias Burnus <burnus@net-b.de>
PR fortran/33862
* lang-specs.h: Support .ftn and .FTN extension, use CPP for .FOR.
* options.c (form_from_filename): Support .ftn extension.
* gfortran.texi: Document support of .for and .ftn file extension.
From-SVN: r129680
* gfortran.h (gfc_add_intrinsic_modules_path,
gfc_open_intrinsic_module): New prototypes.
(gfc_add_include_path, gfc_open_included_file): Update prototypes.
* lang.opt: Add -fintrinsic-modules-path option.
* module.c (gfc_match_use): Match the Fortran 2003 form of
USE statement.
(gfc_use_module): Also handle intrinsic modules.
* scanner.c (gfc_directorylist): Add use_for_modules for field.
(intrinsic_modules_dirs): New static variable.
(add_path_to_list, gfc_add_intrinsic_modules_path): New functions.
(gfc_add_include_path): Use the new add_path_to_list helper
function.
(gfc_release_include_path): Free memory for intrinsic_modules_dirs.
(open_included_file, gfc_open_intrinsic_module): New functions.
(gfc_open_included_file): Use the new open_included_file
helper function.
* lang-specs.h: Use the new -fintrinsic-modules-path option.
* parse.c (decode_statement): Do not match the required space
after USE here.
* options.c (gfc_handle_option): Handle the new option. Use new
prototype for gfc_add_include_path.
(gfc_post_options): Use new prototype for gfc_add_include_path.
* gfortran.dg/use_1.f90: New test.
* gfortran.dg/use_1.f90: New test.
* gfortran.dg/use_1.f90: New test.
From-SVN: r118930
PR fortran/25324
* Make-lang.in (fortran/scanner.o): Depend on toplev.h.
* lang.opt (fpreprocessed): New option.
* scanner.c: Include toplev.h.
(gfc_src_file, gfc_src_preprocessor_lines): New variables.
(preprocessor_line): Unescape filename if there were any
backslashes.
(load_file): If initial and gfc_src_file is not NULL,
use it rather than opening the file. If gfc_src_preprocessor_lines
has non-NULL elements, pass it to preprocessor_line.
(unescape_filename, gfc_read_orig_filename): New functions.
* gfortran.h (gfc_option_t): Add flag_preprocessed.
(gfc_read_orig_filename): New prototype.
* options.c (gfc_init_options): Clear flag_preprocessed.
(gfc_post_options): If flag_preprocessed, call
gfc_read_orig_filename.
(gfc_handle_option): Handle OPT_fpreprocessed.
* lang-specs.h: Pass -fpreprocessed to f951 if preprocessing
sources.
From-SVN: r110304
PR fortran/18452
* gcc/fortran/lang-specs.h: Pass -lang-fortran to the preprocessor.
* gcc/c.opt: Add a -lang-fortran option.
* gcc/c-opts.c: Add a lang_fortran flag.
(c_common_init_options): Handling the -lang-fortran option.
(c_common_handle_option): Add a case for Fortran options in
preprocessing. Remove cases for -ffixed-form and
-ffixed-line-length. Add a case for -lang-fortran.
From-SVN: r106483
PR fortran/13702
(Port from g95)
* gfortran.h (gfc_linebuf): New typedef.
(linebuf): Remove.
(gfc_file): Revamped, use new gfc_linebuf.
(locus): Revamped, use new types.
(gfc_current_file): Remove.
(gfc_current_form, gfc_source_file): New global variables.
* match.c (gfc_match_space, gfc_match_strings): Use
gfc_current_form to find source form.
* module.c (gfc_dump_module): Use gfc_source_file when printing
module header.
* error.c (show_locus, show_loci) Use new data structures to print
locus.
* scanner.c (first_file, first_duplicated_file, gfc_current_file):
Remove.
(file_head, current_file, gfc_current_form, line_head, line_tail,
gfc_current_locus1, gfc_source_file): New global variables.
(gfc_scanner_init1): Set new global variables.
(gfc_scanner_done1): Free new data structures.
(gfc_current_locus): Return pointer to gfc_current_locus1.
(gfc_set_locus): Set gfc_current_locus1.
(gfc_at_eof): Set new variables.
(gfc_at_bol, gfc_at_eol, gfc_advance_line, gfc_next_char): Adapt
to new locus structure.
(gfc_check_include): Remove.
(skip_free_comments, skip_fixed_comments): Use gfc_current_locus1.
(gfc_skip_comments): Use gfc_current_form, find locus with
gfc_current_locus1.
(gfc_next_char): Use gfc_current_form.
(gfc_peek_char, gfc_gobble_whitespace): Use gfc_current_locus1.
(load_line): Use gfc_current_form. Recognize ^Z as EOF. Fix
comment formatting.
(get_file): New function.
(preprocessor_line, include_line): New functions.
(load_file): Move down, rewrite to match new data structures.
(gfc_new_file): Rewrite to match new data structures.
* parse.c (next_statement): Remove code which is now useless. Use
gfc_source_form and gfc_source_file where appropriate.
* trans-decl.c (gfc_get_label_decl): adapt to new data structures
when determining locus of frontend code.
* trans-io.c (set_error_locus): Same.
* trans.c (gfc_get_backend_locus, gfc_set_backend_locus): Likewise.
* lang-specs.h (@f77-cpp-input, @f95-cpp-input): Remove '-P' from
preprocessor flags.
(all): Add missing initializers.
From-SVN: r81888
