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step-out.exp revision 1.1 
      1 # Copyright 2024 Free Software Foundation, Inc.
      2 
      3 # This program is free software; you can redistribute it and/or modify
      4 # it under the terms of the GNU General Public License as published by
      5 # the Free Software Foundation; either version 3 of the License, or
      6 # (at your option) any later version.
      7 #
      8 # This program is distributed in the hope that it will be useful,
      9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
     10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     11 # GNU General Public License for more details.
     12 #
     13 # You should have received a copy of the GNU General Public License
     14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
     15 
     16 # Test that stepOut puts the return value in scope.
     17 
     18 require allow_dap_tests
     19 
     20 load_lib dap-support.exp
     21 
     22 standard_testfile
     23 
     24 if {[build_executable ${testfile}.exp $testfile] == -1} {
     25     return
     26 }
     27 
     28 if {[dap_initialize] == ""} {
     29     return
     30 }
     31 
     32 set obj [dap_check_request_and_response "set breakpoint on function" \
     33 	     setFunctionBreakpoints \
     34 	     {o breakpoints [a [o name [s function_breakpoint_here]]]}]
     35 set fn_bpno [dap_get_breakpoint_number $obj]
     36 
     37 dap_check_request_and_response "configurationDone" configurationDone
     38 
     39 if {[dap_launch $testfile] == ""} {
     40     return
     41 }
     42 dap_wait_for_event_and_check "inferior started" thread "body reason" started
     43 
     44 dap_wait_for_event_and_check "stopped at function breakpoint" stopped \
     45     "body reason" breakpoint \
     46     "body hitBreakpointIds" $fn_bpno
     47 
     48 dap_check_request_and_response "return from function" stepOut \
     49     {o threadId [i 1]}
     50 dap_wait_for_event_and_check "stopped after return" stopped \
     51     "body reason" step
     52 
     53 set bt [lindex [dap_check_request_and_response "backtrace" stackTrace \
     54 		    {o threadId [i 1]}] \
     55 	    0]
     56 set frame_id [dict get [lindex [dict get $bt body stackFrames] 0] id]
     57 
     58 set scopes [dap_check_request_and_response "get scopes" scopes \
     59 		[format {o frameId [i %d]} $frame_id]]
     60 set scopes [dict get [lindex $scopes 0] body scopes]
     61 
     62 gdb_assert {[llength $scopes] == 2} "two scopes"
     63 
     64 lassign $scopes scope reg_scope
     65 gdb_assert {[dict get $scope name] == "Locals"} "scope is locals"
     66 gdb_assert {[dict get $scope presentationHint] == "locals"} \
     67     "locals presentation hint"
     68 gdb_assert {[dict get $scope namedVariables] == 2} "two vars in scope"
     69 
     70 set num [dict get $scope variablesReference]
     71 set refs [lindex [dap_check_request_and_response "fetch arguments" \
     72 		      "variables" \
     73 		      [format {o variablesReference [i %d]} $num]] \
     74 	      0]
     75 set varlist [lindex [dict get $refs body variables] 0]
     76 
     77 gdb_assert {[dict get $varlist variablesReference] > 0} \
     78     "variable has children"
     79 gdb_assert {[dict get $varlist name] == "(return)"} \
     80     "variable is return value"
     81 
     82 dap_shutdown
     83