gdb/testsuite/gdb.ada/unchecked_union.exp

# Copyright 2019-2026 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
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#
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# 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.
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# along with this program.  If not, see <http://www.gnu.org/licenses/>.

# Test ptype of an unchecked union.

load_lib "ada.exp"

require allow_ada_tests

standard_ada_testfile unchecked_union

proc multi_line_string {str} {
    set result {}
    foreach line $str {
	lappend result [string_to_regexp $line]
    }
    set res [multi_line {*}$result]
    verbose -log "RES: '$res'"
    return $res
}

set inner_string \
    [list \
	 "    case ? is" \
	 "        when 0 =>" \
	 "            small: range 0 .. 255;" \
	 "            second: range 0 .. 255;" \
	 "        when ? =>" \
	 "            bval: range 0 .. 255;" \
	 "        when others =>" \
	 "            large: range 255 .. 510;" \
	 "            more: range 255 .. 510;" \
	 "    end case;"]

set inner_full \
    [concat \
	 [list "type = record (?) is"] \
	 $inner_string \
	 [list "end record"]]

set pair_string \
    [list \
	 "    case ? is" \
	 "        when ? =>" \
	 "            field_one: range 0 .. 255;" \
	 "        when ? =>" \
	 "            field_two: range 255 .. 510;" \
	 "    end case;"]

set pair_full \
    [concat \
	 [list "type = record"] \
	 $inner_string \
	 $pair_string \
	 [list "end record"]]

foreach_gnat_encoding scenario flags {none all minimal} {
    lappend flags debug

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

    clean_restart ${testfile}-${scenario}

    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]
}