testsuite/gdb.ada/unchecked_union.exp

# Copyright 2019-2020 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 this program.  If not, see <http://www.gnu.org/licenses/>.

# Test ptype of an unchecked union.

load_lib "ada.exp"

if { [skip_ada_tests] } { return -1 }

standard_ada_testfile unchecked_union

proc multi_line_string {str} {
    set result {}
    foreach line [split $str \n] {
	lappend result [string_to_regexp $line]
    }
    return [eval multi_line $result]
}

set inner_string {    case ? is
        when ? =>
            small: range 0 .. 255;
        when ? =>
            large: range 255 .. 510;
    end case;
}
set inner_full "type = record (?) is\n${inner_string}end record"

set pair_string {    case ? is
        when ? =>
            field_one: range 0 .. 255;
        when ? =>
            field_two: range 255 .. 510;
    end case;
}
set pair_full "type = record\n${inner_string}${pair_string}end record"

foreach_with_prefix scenario {none all minimal} {
    set flags {debug}
    if {$scenario != "none"} {
	lappend flags additional_flags=-fgnat-encodings=$scenario
    }

    if {[gdb_compile_ada "${srcfile}" "${binfile}" executable $flags] != ""} {
	return -1
    }

    clean_restart ${testfile}

    set bp_location [gdb_get_line_number "BREAK" ${testdir}/unchecked_union.adb]
    runto "unchecked_union.adb:$bp_location"

    gdb_test "ptype Pair" [multi_line_string $pair_full]
    gdb_test "ptype Inner" [multi_line_string $inner_full]
}