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# Copyright 2023 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/>.
require allow_dap_tests
load_lib dap-support.exp
standard_testfile .cc
if {[build_executable ${testfile}.exp $testfile $srcfile {debug c++}] == -1} {
return
}
if {[dap_launch $testfile] == ""} {
return
}
set line [gdb_get_line_number "BREAK"]
set obj [dap_check_request_and_response "set breakpoint by line number" \
setBreakpoints \
[format {o source [o path [%s]] breakpoints [a [o line [i %d]]]} \
[list s $srcfile] $line]]
set line_bpno [dap_get_breakpoint_number $obj]
dap_check_request_and_response "start inferior" configurationDone
dap_wait_for_event_and_check "inferior started" thread "body reason" started
dap_wait_for_event_and_check "stopped at line breakpoint" stopped \
"body reason" breakpoint \
"body hitBreakpointIds" $line_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]
gdb_assert {[llength $scopes] == 2} "two scopes"
lassign $scopes scope reg_scope
gdb_assert {[dict get $scope name] == "Locals"} "scope is locals"
gdb_assert {[dict get $scope namedVariables] == 4} "three vars in scope"
set num [dict get $scope variablesReference]
set refs [lindex [dap_check_request_and_response "fetch variables" \
"variables" \
[format {o variablesReference [i %d] count [i 3]} \
$num]] \
0]
proc fetch_pointer {name var} {
set num [dict get $var variablesReference]
set refs [lindex [dap_check_request_and_response "fetch children of $name" \
"variables" \
[format {o variablesReference [i %d] count [i 1]} \
$num]] \
0]
set var [lindex [dict get $refs body variables] 0]
gdb_assert {[dict get $var value] == 23} \
"value of child of $name"
gdb_assert {[dict get $var variablesReference] == 0} \
"no children for child of $name"
}
foreach var [dict get $refs body variables] {
set name [dict get $var name]
switch $name {
"value" {
gdb_assert {[dict get $var value] == "23"} "check value of value"
gdb_assert {[dict get $var variablesReference] == 0} \
"$name does not have child"
}
"ptr" -
"ref" {
gdb_assert {[dict get $var variablesReference] != 0} \
"$name has children"
# The implementation somewhat arbitrarily chooses "named"
# children here.
gdb_assert {[dict get $var namedVariables] == 1} \
"$name has exactly one child"
fetch_pointer $name $var
}
"aggregate" {
gdb_assert {[dict get $var variablesReference] != 0} \
"$name has children"
# This should omit the static field.
gdb_assert {[dict get $var namedVariables] == 2} \
"$name has exactly 2 children"
}
}
}
dap_shutdown
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