"{ Package: 'jv:libgdbs' }"

"{ NameSpace: Smalltalk }"

GDBTransientObject subclass:#GDBVariable
	instanceVariableNames:'frame name value varobj'
	classVariableNames:''
	poolDictionaries:''
	category:'GDB-Core'
!


!GDBVariable class methodsFor:'accessing - GDB value descriptors'!

description
    ^ (super description)
        define:#name as:String;
        yourself

    "Created: / 16-09-2014 / 23:59:51 / Jan Vrany <jan.vrany@fit.cvut.cz>"
    "Modified: / 27-02-2015 / 15:00:49 / Jan Vrany <jan.vrany@fit.cvut.cz>"
! !

!GDBVariable methodsFor:'accessing'!

name
    ^ name
!

value
    ^ self varobj value

    "Created: / 27-02-2015 / 23:37:10 / Jan Vrany <jan.vrany@fit.cvut.cz>"
    "Modified: / 18-03-2015 / 16:47:27 / Jan Vrany <jan.vrany@fit.cvut.cz>"
! !

!GDBVariable methodsFor:'accessing-private'!

varobj
    varobj isNil ifTrue:[ 
        | result currentThreadId currentFrameId |

        result := debugger send: (GDBMI_thread_list_ids new).
        currentThreadId := result propertyAt: 'current-thread-id'.
        result := debugger send: (GDBMI_stack_info_frame new).
        currentFrameId := (result propertyAt: 'frame') level.
        
        frame thread id ~= currentThreadId ifTrue:[ 
            debugger send: (GDBMI_thread_select new arguments:(Array with:frame thread id)).       
            debugger send: (GDBMI_stack_select_frame new arguments:(Array with:frame level)).       
        ] ifFalse:[ 
            frame level ~= currentFrameId ifTrue:[ 
                debugger send: (GDBMI_stack_select_frame new arguments:(Array with:frame level)).       
            ].
        ].

        result := debugger send: (GDBMI_var_create new arguments: { '-' . '*' . name }).

        frame thread id ~= currentThreadId ifTrue:[ 
            debugger send: (GDBMI_thread_select new arguments:currentThreadId).       
            debugger send: (GDBMI_stack_select_frame new arguments:currentFrameId).       
        ] ifFalse:[ 
            frame level ~= currentFrameId ifTrue:[ 
                debugger send: (GDBMI_stack_select_frame new arguments:currentFrameId).       
            ].
        ].

        varobj := result value.
    ].
    ^ varobj value

    "Created: / 27-02-2015 / 17:18:20 / Jan Vrany <jan.vrany@fit.cvut.cz>"
    "Modified: / 24-05-2017 / 15:14:25 / Jan Vrany <jan.vrany@fit.cvut.cz>"
! !

!GDBVariable methodsFor:'initialization'!

setFrame: aGDBFrame
    self assert: frame isNil.
    self assert: (debugger isNil or:[ debugger == aGDBFrame debugger ]).
    frame := aGDBFrame.
    self debugger: frame debugger.

    "Created: / 27-02-2015 / 17:08:02 / Jan Vrany <jan.vrany@fit.cvut.cz>"
! !

!GDBVariable methodsFor:'printing & storing'!

printOn:aStream
    "append a printed representation if the receiver to the argument, aStream"

    super printOn:aStream.
    aStream nextPutAll:'('.
    name printOn: aStream.
    aStream nextPutAll:')'.

    "Modified: / 27-02-2015 / 15:18:50 / Jan Vrany <jan.vrany@fit.cvut.cz>"
! !

!GDBVariable class methodsFor:'documentation'!

version_HG

    ^ '$Changeset: <not expanded> $'
! !