# Copyright 2011-2021 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"

if { [skip_ada_tests] } { return -1 }

standard_ada_testfile foo

if {[gdb_compile_ada "${srcfile}" "${binfile}" executable [list debug additional_flags=-gnata ]] != "" } {
  return -1
}

# A global variable used to simplify the maintenance of some of
# the regular expressions below.
set eol "\[\r\n\]+"

# Before going any further, verify that we can insert exception
# handlers catchpoints...  That way, we won't have to do this while
# doing the actual GDB/MI testing.

clean_restart ${testfile}

if ![runto_main] then {
   return 0
}

set msg "insert catchpoint on all Ada exceptions handlers"
gdb_test_multiple "catch handlers" $msg {
    -re "Catchpoint $decimal: all Ada exceptions handlers$eol$gdb_prompt $" {
	pass $msg
    }
    -re "Your Ada runtime appears to be missing some debugging information.*\[\r\n\]+$gdb_prompt $" {
	# If the runtime was not built with enough debug information,
	# or if it was stripped, we can not test exception
	# catchpoints.
	unsupported $msg
	return -1
    }
}

# Now, we can start the GDB/MI testing itself...

load_lib mi-support.exp
set MIFLAGS "-i=mi"

mi_clean_restart $binfile

#############################################
# 1. Try catching all exceptions handlers.  #
#############################################

with_test_prefix "scenario 1" {
    if {[mi_runto_main] < 0} {
	return 0
    }
}

mi_gdb_test "-catch-handlers" \
            "\\^done,bkptno=\"$decimal\",bkpt={.*disp=\"keep\",enabled=\"y\",what=\"all Ada exceptions handlers\",.*}" \
            "catch all exceptions handlers"

# Continue to exception handler.

proc continue_to_exception_handler { test line } {

    global decimal

    mi_send_resuming_command "exec-continue" "$test"

    # Now MI stream output.
    mi_expect_stop \
	"breakpoint-hit\",disp=\"keep\",bkptno=\"$decimal\",exception-name=\"exception\"?" \
	"foo" "" ".*" "$line" \
	".*" \
        $test
}

# We don't have the exception name info when stopping at the exception handlers
# catchpoints so we use source line to check if the inferior stops at the
# right location.

set bp_ce_location [gdb_get_line_number "BREAK1" ${testdir}/foo.adb]
continue_to_exception_handler \
    "continue until CE handling caught by all-exceptions handlers catchpoint" \
    "$bp_ce_location"

set bp_pe_location [gdb_get_line_number "BREAK2" ${testdir}/foo.adb]
continue_to_exception_handler \
    "continue until PE handling caught by all-exceptions handlers catchpoint" \
    "$bp_pe_location"

##########################################################
# 2. Try catching only some of the exceptions handlers.  #
##########################################################

# Here is the scenario:
#  - Restart the debugger from scratch, runto_main
#  - We'll catch only "Constraint_Error handlers"
#  - continue, we should stop at the Constraint_Error exception handler
#  - continue, we should not stop at the Program_Error exception handler
#    but exit instead.

with_test_prefix "scenario 2" {
    mi_delete_breakpoints
    if {[mi_runto_main] < 0} {
	return 0
    }
}

mi_gdb_test "-catch-handlers -e Constraint_Error" \
            "\\^done,bkptno=\"$decimal\",bkpt={.*disp=\"keep\",enabled=\"y\",what=\"`Constraint_Error' Ada exception handlers\",.*}" \
            "catch Constraint_Error"

mi_execute_to "exec-continue" \
              "breakpoint-hit\",disp=\"keep\",bkptno=\"$decimal\",exception-name=\"exception\"?" \
              "foo" "" ".*" "$bp_ce_location" \
              ".*" \
              "continue to exception catchpoint hit"

# Exit the inferior.
mi_send_resuming_command "exec-continue" "continuing to inferior exit"
mi_expect_stop "exited-normally" "" "" "" "" "" "exit normally"

mi_gdb_exit
return 0