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# Copyright 2023-2024 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/>.
# Test "scopes" and "variables".
load_lib rust-support.exp
load_lib dap-support.exp
require allow_dap_tests
require allow_rust_tests
require {can_compile rust}
standard_testfile .rs
if {[build_executable ${testfile}.exp $testfile $srcfile {debug rust}] == -1} {
return
}
if {[dap_initialize] == ""} {
return
}
set line [gdb_get_line_number "STOP"]
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 "configurationDone" configurationDone
if {[dap_launch $testfile] == ""} {
return
}
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 ignore
gdb_assert {[dict get $scope name] == "Locals"} "scope is locals"
gdb_assert {[dict get $scope presentationHint] == "locals"} \
"locals presentation hint"
gdb_assert {[dict get $scope namedVariables] == 3} "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]} $num]] \
0]
# Helper to check the contents of a single array-like object. VAR is
# the variable entry. NAME is the name of the variable, pulled out
# for convenience. ARGS are the expected child values.
proc check_array_contents {var name args} {
set len [llength $args]
gdb_assert {[dict get $var indexedVariables] == $len} \
"check length of $name variable"
set num [dict get $var variablesReference]
set refs [lindex [dap_check_request_and_response \
"fetch contents of $name" \
"variables" \
[format {o variablesReference [i %d]} $num]] \
0]
foreach subvar [dict get $refs body variables] subvalue $args {
set subname [dict get $subvar name]
gdb_assert {[dict get $subvar value] == $subvalue} \
"check value of $name entry $subname"
}
}
foreach var [dict get $refs body variables] {
set name [dict get $var name]
switch $name {
"array" {
check_array_contents $var $name 1 2 3 4
}
"slice" {
check_array_contents $var $name 2
}
"hello" {
# Note that the expected value looks strange here -- there
# are too many backslashes. This is a TON issue, as the
# JSON looks ok: "value": "\"hello\"".
gdb_assert {[dict get $var value] == "\\\"hello\\\""} \
"value of hello variable"
}
default {
fail "unknown variable $name"
}
}
}
dap_shutdown
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