# Copyright 2023-2025 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/>.

# Check the scope of a nested function.

load_lib ada.exp
load_lib dap-support.exp

require allow_ada_tests allow_dap_tests

standard_ada_testfile prog

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

if {[dap_initialize] == ""} {
    return
}

set launch_id [dap_launch $testfile]

set line [gdb_get_line_number "STOP"]
set obj [dap_check_request_and_response "set breakpoint" \
	     setBreakpoints \
	     [format {o source [o path [%s]] \
			  breakpoints [a [o line [i %d]]]} \
		  [list s $srcfile] $line]]
set fn_bpno [dap_get_breakpoint_number $obj]

dap_check_request_and_response "configurationDone" configurationDone

dap_check_response "launch response" launch $launch_id

dap_wait_for_event_and_check "stopped at breakpoint" stopped \
    "body reason" breakpoint \
    "body hitBreakpointIds" $fn_bpno

set bt [lindex [dap_check_request_and_response "backtrace" stackTrace \
		    {o threadId [i 1]}] \
	    0]
set frame_id [dict get [lindex [dict get $bt body stackFrames] 0] id]

set scopes [dap_check_request_and_response "get scopes" scopes \
		[format {o frameId [i %d]} $frame_id]]
set scopes [dict get [lindex $scopes 0] body scopes]

# This is what the implementation does, so we can assume it, but check
# just in case something changes.
lassign $scopes args locals _ignore
gdb_assert {[dict get $args name] == "Arguments"} "argument scope"
gdb_assert {[dict get $locals name] == "Locals"} "local scope"

set num_vars [dict get $locals namedVariables]
# Some versions of GNAT emit an extra 'x' in scope.
gdb_assert {$num_vars == 3 || $num_vars == 4} "correct number of locals"

set num [dict get $locals variablesReference]
set refs [lindex [dap_check_request_and_response "fetch variables" \
		      "variables" \
		      [format {o variablesReference [i %d] count [i %d]} \
			   $num $num_vars]] \
	      0]

foreach var [dict get $refs body variables] {
    set name [dict get $var name]

    switch $name {
	"i" {
	    gdb_assert {[dict get $var value] == "1"} "check value of i"
	}
	"x" - "x #2" {
	    # Some versions of GNAT erroneously emit a duplicate 'x'.
	    # Work around it here.
	    gdb_assert {[dict get $var value] == "12"} "check value of $name"
	}
	"outer_arg" {
	    gdb_assert {[dict get $var value] == "1"} "check value of outer_arg"
	}
	default {
	    fail "unknown variable $name"
	}
    }
}

dap_shutdown