re PR fortran/44054 (Handle -Werror, -Werror=, -fdiagnostics-show-option, !GCC$ diagn...

re PR fortran/44054 (Handle -Werror, -Werror=, -fdiagnostics-show-option, !GCC$ diagnostic (pragmas) and color)

gcc/fortran/ChangeLog:

2015-05-16  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR fortran/44054

	Replace all calls to gfc_notify_std_1 with gfc_notify_std and
	gfc_warning_1 with gfc_warning.
	* decl.c (gfc_verify_c_interop_param): Here.
	* resolve.c (resolve_branch): Here.
	(resolve_fl_derived): Here.
	* dependency.c (gfc_check_argument_var_dependency):
	* scanner.c (preprocessor_line): Use gfc_warning_now_at. Fix line
	counter and locations before and after warning.
	* gfortran.h (gfc_warning_1, gfc_warning_now_1, gfc_notify_std_1):
	Delete.
	(gfc_warning_now_at): Declare.
	* error.c (gfc_warning_1): Delete.
	(gfc_notify_std_1): Delete.
	(gfc_warning_now_1): Delete.
	(gfc_format_decoder): Handle two locations.
	(gfc_diagnostic_build_prefix): Rename as
	gfc_diagnostic_build_kind_prefix.
	(gfc_diagnostic_build_locus_prefix): Take an expanded_location
	instead of diagnostic_info.
	(gfc_diagnostic_build_locus_prefix): Add overload that takes two
	expanded_location.
	(gfc_diagnostic_starter): Handle two locations.
	(gfc_warning_now_at): New.
	(gfc_diagnostics_init): Initialize caret_chars array.
	(gfc_diagnostics_finish): Reset caret_chars array to default.

gcc/cp/ChangeLog:

2015-05-16  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR fortran/44054
	* error.c (cp_diagnostic_starter): Use diagnostic_location
	function.
	(cp_print_error_function): Likewise.
	(cp_printer): Replace locus pointer with accessor function.

gcc/c/ChangeLog:

2015-05-16  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR fortran/44054
	* c-objc-common.c (c_tree_printer): Replace locus pointer with
	accessor function.

gcc/ChangeLog:

2015-05-16  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR fortran/44054
	* tree-pretty-print.c (percent_K_format): Replace locus pointer
	with accessor function.
	* tree-diagnostic.c (diagnostic_report_current_function): Use
	diagnostic_location function.
	(maybe_unwind_expanded_macro_loc): Likewise.
	(virt_loc_aware_diagnostic_finalizer): Likewise.
	(default_tree_printer): Replace locus pointer with accessor function.
	* diagnostic.c (diagnostic_initialize): Initialize caret_chars array.
	(diagnostic_set_info_translated): Initialize second location.
	(diagnostic_build_prefix): Use CARET_LINE_MARGIN.
	(diagnostic_show_locus): Handle two locations. Call
	diagnostic_print_caret_line.
	(diagnostic_print_caret_line): New.
	(default_diagnostic_starter): Use diagnostic_location function.
	(diagnostic_report_diagnostic): Use diagnostic_location function.
	(verbatim): Do not set text.locus.
	* diagnostic.h (struct diagnostic_info): Remove location field.
	(struct diagnostic_context): Make caret_chars an array of two.
	(diagnostic_location): New inline.
	(diagnostic_expand_location): Handle two locations.
	(diagnostic_same_line): New inline.
	(diagnostic_print_caret_line): Declare.
	(CARET_LINE_MARGIN): New constant.
	* pretty-print.c (pp_printf): Do not set text.locus.
	(pp_verbatim): Do not set text.locus.
	* pretty-print.h (MAX_LOCATIONS_PER_MESSAGE): New constant.
	(struct text_info): Replace locus pointer with locations
	array. Add accessor functions.

gcc/testsuite/ChangeLog:

2015-05-16  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR fortran/44054
	* lib/gfortran-dg.exp: Update regex to handle two locations for
	the same diagnostic without caret.
	* gfortran.dg/badline.f: Test also that line numbers are correct
	before and after "left but not entered" warning.

From-SVN: r223237