changelog

gcc-fortran,linux使用fortran的编译软件。很好用的。

	* lang.opt: New options -ffree-line-length- and -ffree-line-length-none.
	* gfortran.h: Add free_line_length and add description of
	free_line_length and fixed_line_length.
	* options.c (gfc_init_options, gfc_handle_option): Initialize
	and set free_line_length and fixed_line_length.
	* scanner.c (load_line): Set free_line_length to 132 and
	fixed_line_length to 72 or user requested values.
	* scanner.c: Typo in comment.
	* invoke.texi: Document -ffree-line-length- and
	-ffree-line-length-none

2005-11-30  Paul Thomas  <[e-mail]>

	PR fortran/24223
	* resolve.c (resolve_contained_fntype) Error if an internal
	function is assumed character length.

	PR fortran/24705
	* trans-decl.c (gfc_create_module_variable) Skip ICE in
	when backend decl has been built and the symbol is marked
	as being in an equivalence statement.

2005-11-29  Jakub Jelinek  <[e-mail]>

	* io.c (gfc_resolve_open): RESOLVE_TAG access field as well.

2005-11-27 Bernhard Fischer <[e-mail]>

	* gfortran.h: remove superfluous whitespace and use GNU
	comment-style for the documentation of backend_decl.

2005-11-26  Steven G. Kargl  <[e-mail]>

	PR fortran/24917
	* primary.c (match_boz_constant):  Implement postfix BOZ constants;
	(match_string_constant): Peek for b, o, z, and x

	* gfortran.dg/boz_6.f90: New test.

2005-11-21  Jakub Jelinek  <[e-mail]>

	PR fortran/14943
	PR fortran/21647
	* Make-lang.in (fortran/trans-io.o): Depend on fortran/ioparm.def.
	* dump-parse-tree.c (gfc_show_code_node): Dump c->block for
	EXEC_{READ,WRITE,IOLENGTH} nodes.
	* io.c (terminate_io, match_io, gfc_match_inquire): Put data
	transfer commands into EXEC_{READ,WRITE,IOLENGTH}'s code->block.
	* resolve.c (resolve_blocks): Handle EXEC_{READ,WRITE,IOLENGTH}.
	* trans-io.c (ioparm_unit, ioparm_err, ioparm_end, ioparm_eor,
	ioparm_list_format, ioparm_library_return, ioparm_iostat,
	ioparm_exist, ioparm_opened, ioparm_number, ioparm_named,
	ioparm_rec, ioparm_nextrec, ioparm_size, ioparm_recl_in,
	ioparm_recl_out, ioparm_iolength, ioparm_file, ioparm_file_len,
	ioparm_status, ioparm_status_len, ioparm_access, ioparm_access_len,
	ioparm_form, ioparm_form_len, ioparm_blank, ioparm_blank_len,
	ioparm_position, ioparm_position_len, ioparm_action,
	ioparm_action_len, ioparm_delim, ioparm_delim_len, ioparm_pad,
	ioparm_pad_len, ioparm_format, ioparm_format_len, ioparm_advance,
	ioparm_advance_len, ioparm_name, ioparm_name_len,
	ioparm_internal_unit, ioparm_internal_unit_len,
	ioparm_internal_unit_desc, ioparm_sequential, ioparm_sequential_len,
	ioparm_direct, ioparm_direct_len, ioparm_formatted,
	ioparm_formatted_len, ioparm_unformatted, ioparm_unformatted_len,
	ioparm_read, ioparm_read_len, ioparm_write, ioparm_write_len,
	ioparm_readwrite, ioparm_readwrite_len, ioparm_namelist_name,
	ioparm_namelist_name_len, ioparm_namelist_read_mode, ioparm_iomsg,
	ioparm_iomsg_len, ioparm_var): Remove.
	(enum ioparam_type, enum iofield_type, enum iofield,
	enum iocall): New enums.
	(gfc_st_parameter_field, gfc_st_parameter): New typedefs.
	(st_parameter, st_parameter_field, iocall): New variables.
	(ADD_FIELD, ADD_STRING): Remove.
	(dt_parm, dt_post_end_block): New variables.
	(gfc_build_st_parameter): New function.
	(gfc_build_io_library_fndecls): Use it.  Initialize iocall
	array rather than ioparm_*, add extra first arguments to
	the function types.
	(set_parameter_const): New function.
	(set_parameter_value): Add type argument, return a bitmask.
	Changed to set a field in automatic structure variable rather
	than set a field in a global _gfortran_ioparm variable.
	(set_parameter_ref): Likewise.  If requested var has different
	size than what field should point to, call with a temporary and
	then copy into the user variable.  Add postblock argument.
	(set_string): Remove var_len argument, add type argument, return
	a bitmask.  Changed to set fields in automatic structure variable
	rather than set a field in a global _gfortran_ioparm variable.
	(set_internal_unit): Remove iunit, iunit_len, iunit_desc arguments,
	add var argument.  Return a bitmask.  Changed to set fields in
	automatic structure variable rather than set a field in a global
	_gfortran_ioparm variable.
	(set_flag): Removed.
	(io_result): Add var argument.  Changed to read common.flags field
	from automatic structure variable and bitwise AND it with 3.
	(set_error_locus): Add var argument.  Changed to set fields in
	automatic structure variable rather than set a field in a global
	_gfortran_{filename,line} variables.
	(gfc_trans_open): Use gfc_start_block rather than gfc_init_block.
	Create a temporary st_parameter_* structure.  Adjust callers of
	all above mentioned functions.  Pass address of the temporary
	variable as first argument to the generated function call.
	Use iocall array rather than ioparm_* separate variables.
	(gfc_trans_close, build_filepos, gfc_trans_inquire): Likewise.
	(build_dt): Likewise.  Change first argument to tree from tree *.
	Don't dereference code->ext.dt if last_dt == INQUIRE.  Emit
	IOLENGTH argument setup here.  Set dt_parm/dt_post_end_block
	variables and gfc_trans_code the nested data transfer commands
	in code->block.
	(gfc_trans_iolength): Just set last_dt and call build_dt immediately.
	(transfer_namelist_element): Pass address of dt_parm variable
	to generated functions.  Use iocall array rather than ioparm_*
	separate variables.
	(gfc_trans_backspace, gfc_trans_endfile, gfc_trans_rewind,
	gfc_trans_flush, gfc_trans_read, gfc_trans_write): Use iocall array
	rather than ioparm_* separate variables.
	(gfc_trans_dt_end): Likewise.  Pass address of dt_parm variable
	as first argument to generated function.  Adjust io_result caller.
	Prepend dt_post_end_block before io_result code.
	(transfer_expr): Use iocall array rather than ioparm_* separate
	variables.  Pass address of dt_parm variables as first argument
	to generated functions.
	* ioparm.def: New file.

2005-11-20  Toon Moene  <[e-mail]>

	* invoke.texi: Remove superfluous @item.

2005-11-20  Janne Blomqvist  <[e-mail]>

	PR fortran/24862
	* trans-io.c (gfc_trans_transfer): Handle arrays of derived type.

2005-11-17  Francois-Xavier Coudert  <[e-mail]>

	PR fortran/20811
	* scanner.c (gfc_open_included_file): Add an extra include_cwd
	argument. Only include files in the current working directory if
	its value is true.
	* gfortran.h: Change prototype for gfc_open_included_file.
	(load_file): Don't search for include files in the current working
	directory.
	* options.c (gfc_post_options): Add the directory of the source file
	to the list of paths for included files.
	* module.c (gfc_use_module): Look for module files in the current
	directory.

2005-11-16  Alan Modra  <[e-mail]>

	PR fortran/24096
	* trans-types.c (gfc_init_kinds): Use one less for max_exponent
	of IBM extended double format.

2005-11-13  Francois-Xavier Coudert  <[e-mail]>

	* intrinsic.c (add_functions): Add COMPLEX, FTELL, FGETC, FGET,
	FPUTC, FPUT, AND, XOR and OR intrinsic functions.
	(add_subroutines): Add FGETC, FGET, FPUTC, FPUT and FTELL intrinsic
	subroutines.
	* gfortran.h: Add GFC_ISYM_AND, GFC_ISYM_COMPLEX, GFC_ISYM_FGET,
	GFC_ISYM_FGETC, GFC_ISYM_FPUT, GFC_ISYM_FPUTC, GFC_ISYM_FTELL,
	GFC_ISYM_OR, GFC_ISYM_XOR.
	* iresolve.c (gfc_resolve_and, gfc_resolve_complex,
	gfc_resolve_or, gfc_resolve_fgetc, gfc_resolve_fget,
	gfc_resolve_fputc, gfc_resolve_fput, gfc_resolve_ftell,
	gfc_resolve_xor, gfc_resolve_fgetc_sub, gfc_resolve_fget_sub,
	gfc_resolve_fputc_sub, gfc_resolve_fput_sub, gfc_resolve_ftell_sub):
	New functions.
	* check.c (gfc_check_complex, gfc_check_fgetputc_sub,
	gfc_check_fgetputc, gfc_check_fgetput_sub, gfc_check_fgetput,
	gfc_check_ftell, gfc_check_ftell_sub, gfc_check_and): New functions.
	* simplify.c (gfc_simplify_and, gfc_simplify_complex, gfc_simplify_or,
	gfc_simplify_xor): New functions.
	* trans-intrinsic.c (gfc_conv_intrinsic_function): Add cases for
	GFC_ISYM_AND, GFC_ISYM_COMPLEX, GFC_ISYM_FGET, GFC_ISYM_FGETC,
	GFC_ISYM_FPUT, GFC_ISYM_FPUTC, GFC_ISYM_FTELL, GFC_ISYM_OR and
	GFC_ISYM_XOR.
	* intrinsic.h: Add prototypes for all functions added to iresolve.c,
	simplify.c and check.c.

2005-11-10  Paul Thomas  <[e-mail]>
	    Steven G. Kargl <[e-mail]>

	PR fortran/15976
	* resolve.c (resolve_symbol): Disallow automatic arrays in module scope.

2005-11-10  Paul Thomas  <[e-mail]>

	PR fortran/24655
	PR fortran/24755
	* match.c (recursive_stmt_fcn): Add checks that symtree exists
	for the expression to weed out inline intrinsic functions and
	parameters.

	PR fortran/24409
	* module.c (mio_symtree_ref): Correct the patch of 0923 so that
	a symbol is not substituted for by a the symbol for the module
	itself and to prevent the promotion of a formal argument.

2005-11-10  Tobias Schl"uter  <[e-mail]>

	PR fortran/24643
	* primary.c (match_varspec): Check for implicitly typed CHARACTER
	variables before matching substrings.

2005-11-09  Steven G. Kargl  <[e-mail]>

	* trans-intrinsic.c: Typo in comment.

2005-11-09  Erik Edelmann  <[e-mail]>

	PR fortran/22607
	* trans-decl.c(build_function_decl): Don't set
	DECL_IS_PURE (fndecl) = 1 for return-by-reference
	functions.

2005-11-08  Tobias Schl"uter  <[e-mail]>

	* dump-parse-tree.c: Fix comment typo, add a few blank lines.

2005-11-07  Steven G. Kargl  <[e-mail]>

	* error.c: Use flag_fatal_error.
	* invoke.texi:  Remove -Werror from list of options.

2005-11-06  Paul Thomas  <[e-mail]>

	PR fortran/24534
	* resolve.c (resolve_symbol): Exclude case of PRIVATE declared
	within derived type from error associated with PRIVATE type
	components within derived type.

	PR fortran/20838
	PR fortran/20840
	* gfortran.h: Add prototype for gfc_has_vector_index.
	* io.c (gfc_resolve_dt): Error if internal unit has a vector index.
	* expr.c (gfc_has_vector_index): New function to check if any of
	the array references of an expression have vector inidices.
	(gfc_check_pointer_assign): Error if internal unit has a vector index.

	PR fortran/17737
	* data.c (gfc_assign_data_value): Remove gcc_assert that caused the ICE
	and replace by a standard dependent warning/error if overwriting an
	existing initialization.
	* decl.c (gfc_data_variable): Remove old error for already initialized
	variable and the unused error check for common block variables.  Add
	error for hots associated variable and standard dependent error for
	common block variables, outside of blockdata.
	* symbol.c (check_conflict): Add constraints for DATA statement.

2005-11-06  Janne Blomqvist <[e-mail]>

	PR fortran/24174
	PR fortran/24305
	* fortran/trans-io.c (gfc_build_io_library_fndecls): Add kind
	argument to transfer_array.
	(transfer_array_desc): Add kind argument.

2005-11-06  Francois-Xavier Coudert  <[e-mail]>

	* intrinsic.c (add_functions): Add ctime and fdate intrinsics.
	(add_subroutines): Likewise.
	* intrinsic.h: Prototypes for gfc_check_ctime,
	gfc_check_ctime_sub, gfc_check_fdate_sub, gfc_resolve_ctime,
	gfc_resolve_fdate, gfc_resolve_ctime_sub, gfc_resolve_fdate_sub.
	* gfortran.h: Add GFC_ISYM_CTIME and GFC_ISYM_FDATE.
	* iresolve.c (gfc_resolve_ctime, gfc_resolve_fdate,
	gfc_resolve_ctime_sub, gfc_resolve_fdate_sub): New functions.
	* trans-decl.c (gfc_build_intrinsic_function_decls): Add
	gfor_fndecl_fdate and gfor_fndecl_ctime.
	* check.c (gfc_check_ctime, gfc_check_ctime_sub,
	gfc_check_fdate_sub): New functions.
	* trans-intrinsic.c (gfc_conv_intrinsic_ctime,
	gfc_conv_intrinsic_fdate): New functions.
	(gfc_conv_intrinsic_function): Add cases for GFC_ISYM_CTIME
	and GFC_ISYM_FDATE.
	* intrinsic.texi: Documentation for the new CTIME and FDATE
	intrinsics.
	* trans.h: Declarations for gfor_fndecl_ctime and gfor_fndecl_fdate.

2005-11-05  Kazu Hirata  <[e-mail]>

	* decl.c, trans-decl.c: Fix comment typos.
	* gfortran.texi: Fix a typo.

2005-11-05  Francois-Xavier Coudert  <[e-mail]>

	* intrinsic.c (add_functions): Add function version of TTYNAM.
	* intrinsic.h: Add prototypes for gfc_check_ttynam and
	gfc_resolve_ttynam.
	* gfortran.h: Add case for GFC_ISYM_TTYNAM.
	* iresolve.c (gfc_resolve_ttynam): New function.
	* trans-decl.c (gfc_build_intrinsic_function_decls): Add a tree
	for function call to library ttynam.
	* check.c (gfc_check_ttynam): New function.
	* trans-intrinsic.c (gfc_conv_intrinsic_ttynam): New function.
	(): Call gfc_conv_intrinsic_ttynam.
	* trans.h: Add prototype for gfor_fndecl_ttynam.

2005-11-04  Steven G. Kargl <[e-mail]>

	PR fortran/24636
	* match.c (gfc_match_stopcode):  Set stop_code = -1.

2005-11-04  Francois-Xavier Coudert  <[e-mail]>

	PR fortran/18452
	* lang-specs.h: Pass -lang-fortran to the preprocessor.

2005-11-02  Andrew Pinski  <[e-mail]>

	PR fortran/18157
	* trans-array.c (gfc_conv_resolve_dependencies): Use the correct
	type for the temporary array.
	* trans-expr.c (gfc_trans_assignment): Pass lss
	instead of lss_section
	to gfc_conv_resolve_dependencies to get the
	correct type.

2005-11-02  Tobias Schl"uter  <[e-mail]>

	* decl.c (gfc_match_entry): Function entries don't need an argument
	list if there's no RESULT clause.

2005-11-01  Tobias Schl"uter  <[e-mail]>

	PR fortran/24008
	* decl.c (gfc_match_entry): Function entries need an argument list.

2005-11-01  Erik Edelmann  <[e-mail]>

	PR 24245
	* trans.c (gfc_generate_code): Move code to create a main
	program symbol from here ...
	* parse.c (main_program_symbol): ... to this new
	function, setting the locus from gfc_current_locus
	instead of ns->code->loc.
	(gfc_parse_file):  Call main_program_symbol for main programs.

2005-11-01  Tobias Schl"uter  <[e-mail]>

	PR fortran/24404
	* resolve.c (resolve_symbol): Output symbol names in more error
	messages, clarify error message.

2005-11-01  Tobias Schl"uter  <[e-mail]>