# Copyright 2018-2020 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/>.

load_lib "ada.exp"

standard_ada_testfile bla
set cfile "foo"
set csrcfile ${srcdir}/${subdir}/${testdir}/${cfile}.c
set cobject [standard_output_file ${cfile}.o]

gdb_compile "${csrcfile}" "${cobject}" object [list debug]
if {[gdb_compile_ada "${srcfile}" "${binfile}" executable [list debug additional_flags=-largs additional_flags=${cobject} additional_flags=-margs]] != "" } {
  return -1
}

clean_restart ${testfile}

set bp_location [gdb_get_line_number "STOP" ${testdir}/foo.c]
runto "foo.c:$bp_location"

gdb_test_no_output "set print frame-arguments all"

# Here is the scenario:
#  - Once stopped in a C function, with language_mode set to auto, print
#    backtrace, we should see the Ada frame arguments printed using Ada
#    syntax.
#  - Set language to C, then check that printing backtrace shows the Ada
#    frame arguments using C syntax.
#  - Set language back to auto, check language mode value, then print
#    backtrace, we should see Ada frame arguments printed using Ada C
#    syntax.

gdb_test "show lang" \
         "The current source language is \"auto; currently c\"." \
         "show language when set to 'auto; c'"

gdb_test "bt" \
         "#1  $hex in pck\\.call_me \\(s=\"test\"\\).*" \
         "backtrace with auto: c"

gdb_test_no_output "set language c" \
                   "Set current source language to \"manual; currently c\"."

gdb_test "show lang" \
         "The current source language is \"c\"." \
         "show language when set to 'c'"

gdb_test "bt" \
         "#1  $hex in pck\\.call_me \\(s={P_ARRAY = $hex, P_BOUNDS = $hex}\\).*" \
         "backtrace with language forced to 'c'"

gdb_test_no_output "set language auto" \
                   "Set current source language to \"auto; currently c\"."

gdb_test "show lang" \
         "The current source language is \"auto; currently c\"." \
         "show language when set back to 'auto; c'"

gdb_test "bt" \
         "#1  $hex in pck\\.call_me \\(s=\"test\"\\).*" \
         "backtrace with language back to 'auto; c'"