# Copyright (C) 2012-2020 Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GCC; see the file COPYING3.  If not see
# <http://www.gnu.org/licenses/>.

load_lib gcc-dg.exp

# Define gdc callbacks for dg.exp.

proc gdc-dg-test { prog do_what extra_tool_flags } {
    upvar dg-do-what dg-do-what

    # Demote link and run tests to compile-only if D runtime is missing.
    if ![check_effective_target_d_runtime] {
	switch $do_what {
	    link -
	    run {
		set do_what compile
		set dg-do-what compile
	    }
	}
    }

    # Strip gdc.test prefix off test names to avoid pathname failures in
    # some tests.
    set prog [dg-trim-dirname gdc.test $prog]

    set result \
	[gcc-dg-test-1 gdc_target_compile $prog $do_what $extra_tool_flags]

    set comp_output [lindex $result 0]
    set output_file [lindex $result 1]

    return [list $comp_output $output_file]
}

proc gdc-dg-prune { system text } {
    return [gcc-dg-prune $system $text]
}

# Utility routines.

#
# Modified dg-runtest that can cycle through a list of optimization options
# as c-torture does.
#

proc gdc-dg-runtest { testcases flags default-extra-flags } {
    global runtests

    foreach test $testcases {
	# If we're only testing specific files and this isn't one of
	# them, skip it.
	if ![runtest_file_p $runtests $test] {
	    continue
	}

	# Use TORTURE_OPTIONS to cycle through an option list.
	if [torture-options-exist] then {
	    global torture_with_loops
	    set option_list $torture_with_loops
	} else {
	    set option_list { "" }
	}

	set nshort [file tail [file dirname $test]]/[file tail $test]

	foreach flags_t $option_list {
	    verbose "Testing $nshort, $flags $flags_t" 1
	    dg-test $test "$flags $flags_t" ${default-extra-flags}
	}
    }
}

#
# gdc_load -- wrapper around default gdc_load to handle tests that
# require program arguments passed to them.
#

if { [info procs gdc_load] != [list] \
      && [info procs prev_gdc_load] == [list] } {
    rename gdc_load prev_gdc_load

    proc gdc_load { program args } {
	global GDC_EXECUTE_ARGS
	if [info exists GDC_EXECUTE_ARGS] then {
	    set args [concat "{$GDC_EXECUTE_ARGS}"]
	}
	#print "Running: $program [lindex $args 0]"
	set result [eval [list prev_gdc_load $program] $args ]
	return $result
    }
}