2005-10-05 Richard Guenther <rguenther@suse.de>
PR fortran/24176
* parse.c (gfc_parse_file): Exit early for empty files.
* gfortran.fortran-torture/compile/empty.f90: New testcase.
From-SVN: r104984
2005-08-14 Asher Langton <langton2@llnl.gov>
* parse.c (match): Enclosed macro in do...while(0) and braces.
Also fix formatting of a few previous ChangeLog entries
From-SVN: r103086
2005-04-15 Richard Guenther <rguenth@gcc.gnu.org>
PR fortran/14569
* gfortran.h (gfc_linebuf): Add truncated field.
* parse.c (next_statement): Handle warning for truncated
lines.
* scanner.c (load_line): Return if line was truncated.
No longer warn for truncated lines. Remove unused parameters.
(load_file): Store load_line return value to linebuf.
(gfc_error_recovery): Do not advance line at the end.
From-SVN: r98210
fortran/
* gfortran.h (gfc_get_namespace): Add second argument to prototype.
* intrinsic.c (gfc_intrinsic_init_1): Pass second argument to
gfc_get_namespace.
* module.c (mio_namespace_ref, load_needed): Likewise.
* parse.c (parse_interface, parse_contained): Likewise. Here the
correct second argument matters.
* symbol.c (gfc_get_namespace): Add parent_types argument, only copy
parent's implicit types if this is set.
(gfc_symbol_init_2): Pass second argument to gfc_get_namespace.
* trans-common.c (build_common_decl): Likewise.
testsuite/
* gfortran.dg/implicit_3.f90: New test.
From-SVN: r95463
fortran/
PR fortran/17708
* parse.c (accept_statement): Don't treat END DO like END IF and
END SELECT.
(parse_do_block): Generate possible END DO label inside END DO
block.
also, added ChangeLog entry for previous commit.
testsuite/
PR fortran/17708
* gfortran.dg/pr17708.f90: New test.
From-SVN: r88529
fortran/
* gfortran.h (gfc_namespace): Add new field is_block_data.
* parse.c (accept_statement): Remove special handling for BLOCK DATA.
(parse_block_data): Record BLOCK DATA name, set is_block_data field.
* trans.c (gfc_generate_code): Handle BLOCK DATA units.
* trans.h (gfc_generate_block_data): Add prototype.
* trans-decl.c (gfc_generate_block_data): New function.
testsuite/
* gfortran.dg/blockdata_1.f90: New test.
From-SVN: r86796
PR fortran/15986
* parse.c (gfc_fixup_sibling_symbols): Also look for untyped
variables.
(parse_contained): Mark contained symbols as referenced.
testsuite/
* gfortran.dg/contained_1.f90: New test.
From-SVN: r84536
2004-06-29 Tobias Schlueter <tobias.schlueter@physik.uni-muenchen.de>
Andrew Vaught <andyv@firstinter.net>
PR fortran/13249
PR fortran/15481
* declc (gfc_match_save): Adapt to new common structures,
don't allow saving USE-associated common.
* dump-parse-tree (gfc_show_attr): (saved_)common are not
symbol attributes any longer.
(gfc_show_symbol): Don't show old-style commons any longer.
(gfc_show_namespace): Adapt call to gfc_traverse_symtree to new
interface.
* gfortran.h (symbol_attribute): Remove common and saved_common
attributes.
(gfc_symbol): Remove common_head element.
(gfc_common_head): New struct.
(gfc_get_common_head): New macro.
(gfc_symtree): Add field 'common' to union.
(gfc_namespace): Add field 'common_root'; change type of field
'blank_common' to blank_common.
(gfc_add_data): New prototype.
(gfc_traverse_symtree): Expect a symtree as first argument
instead of namespace.
* match.c (gfc_get_common): New function.
(match_common_name): Change to take char * as argument, adapt,
fix bug with empty name.
(gfc_match_common): Adapt to new data structures. Disallow
redeclaration of USE-associated COMMON-block. Fix bug with
empty common.
(var_element): Adapt to new common structures.
* match.h (gfc_get_common): Declare.
* module.c: Add 2004 to copyright years, add commons to module
file layout description.
(ab_attribute, attr_bits, mio_symbol_attributes): Remove code
for removed attributes.
(mio_symbol): Adapt to new way of storing common relations.
(load_commons): New function.
(read_module): Skip common list on first pass, load_commons at
second.
(write_commons): New function.
(write_module): Call write_commons().
* symbol.c (gfc_add_saved_comon, gfc_add_common): Remove
functions related to removed attributes.
(gfc_add_data): New function.
(gfc_clear_attr): Don't set removed attributes.
(gfc_copy_attr): Don't copy removed attributes.
(traverse_symtree): Remove.
(gfc_traverse_symtree): Don't traverse symbol
tree of the passed namespace, but require a symtree to be passed
instead. Unify with traverse_symtree.
(gfc_traverse_ns): Call gfc_traverse_symtree according to new
interface.
(save_symbol): Remove setting of removed attribute.
* trans-common.c (gfc_sym_mangled_common_id): Change to
take 'char *' argument instead of 'gfc_symbol'.
(build_common_decl, new_segment, translate_common): Adapt to new
data structures, add new
argument name.
(create_common): Adapt to new data structures, add new
argument name. Fix typo in intialization of derived types.
(finish_equivalences): Add second argument in call to
create_common.
(named_common): take 'gfc_symtree' instead of 'gfc_symbol'.
(gfc_trans_common): Adapt to new data structures.
* trans-decl.c (gfc_create_module_variables): Also output
symbols from commons.
Co-Authored-By: Andrew Vaught <andyv@firstinter.net>
From-SVN: r83871
2004-06-29 Tobias Schlueter <tobias.schlueter@physik.uni-muenchen.de>
Andrew Vaught <andyv@firstinter.net>
* gfortran.h (gfc_gsymbol): New typedef.
(gfc_gsym_root): New variable.
(gfc_get_gsymbol, gfc_find_gsym): New prototypes.
* parse.c (global_used): New function.
(parse_block_data): Check for double empty BLOCK DATA,
use global symbol table.
(parse_module): Use global symbol table.
(add_global_procedure, add_global_program): New functions.
(gfc_parse_file): Use global symbol table.
* symbol.c (gfc_gsym_root): New variable.
(gfc_find_gsym, gsym_compare, gfc_get_gsymbol): New
functions.
Co-Authored-By: Andrew Vaught <andyv@firstinter.net>
From-SVN: r83868
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
fortran:
* parse.c (gfc_statement_next_fixed): (Change from Andy's tree)
Detect bad continuation line in fixed form sources.
testsuite:
* gfortran.fortran-torture/compile/noncontinuation_1.f90: New
test.
From-SVN: r81845