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Author Topic: debuging the code: how add variables and arrays objects to watches window?  (Read 7270 times)

Offline cambalinho

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debuging the code: how add variables and arrays objects to watches window?
« on: August 05, 2015, 08:55:28 pm »
the watches window adds, automatic, local variables but not what i need to test. for that i nee do it manually(select the variable and then click on right button for add it to watches window).
until here fine, but see these: i have a class button with a getTop() function member.

Code
vector<button> btnarray;
int WinMain()
{
    //int arraysize=ArraySize(btnarray, button);//geting the array size
    btnarray.resize(8);

    for (int i=0; i<btnarray.size(); i++)
    {
        int b=100 + ((i+1)*50);
        btnarray[i].setTop(b);
        //OutputDebugStr(to_string(btnarray[i].getTop()).c_str());
        btnarray[i].setLeft(0);
        btnarray[i].setText(to_string(i));
        btnarray[i].MouseClick=[i]()
        {
            MessageBox(btnarray[i].getText());
        };
    }
now heres the questions points:
- how can i add the btnarray [ i ].getTop() to watches window and see it's value?
- how can i see the string of OutputDebugStr() on debug mode?
« Last Edit: August 05, 2015, 08:57:30 pm by cambalinho »
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Offline oBFusCATed

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Re: debuging the code: how add variables and arrays objects to watches window?
« Reply #1 on: August 05, 2015, 09:03:25 pm »
1. Select it and wait for the popup to show up or right click -> add watch
2. This is more of a gdb question, but have you tried to enable the debug output in the settings -> debugger?
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Offline cambalinho

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Re: debuging the code: how add variables and arrays objects to watches window?
« Reply #2 on: August 05, 2015, 09:08:43 pm »
for that i must, 1st, enter\execute on debug mode. on watches window, on value section, i get 'Not available'. what means? why i can't get it's value? or is because i'm not using on code?
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Offline oBFusCATed

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Re: debuging the code: how add variables and arrays objects to watches window?
« Reply #3 on: August 05, 2015, 09:17:18 pm »
GDB can execute function, but I'm not sure what are the requirements. Sometimes it just fails.

BTW. I have really hard time understanding what you're talking about, please try harder to explain what you're doing.
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Offline cambalinho

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Re: debuging the code: how add variables and arrays objects to watches window?
« Reply #4 on: August 05, 2015, 09:20:58 pm »
i'm trying using the watches windows for see the btnarray.getTop() value. and send some messages, for test other values, for watches window
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Offline oBFusCATed

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Re: debuging the code: how add variables and arrays objects to watches window?
« Reply #5 on: August 05, 2015, 10:03:37 pm »
You have add a watch for btnarray.getTop() or btnarray and then inspect the raw values.
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Offline cambalinho

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Re: debuging the code: how add variables and arrays objects to watches window?
« Reply #6 on: August 05, 2015, 10:05:24 pm »
i did. but where is the values i get these string 'not avaiblable' or something like these
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Offline oBFusCATed

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Re: debuging the code: how add variables and arrays objects to watches window?
« Reply #7 on: August 05, 2015, 11:28:04 pm »
Have you read this: http://wiki.codeblocks.org/index.php?title=Debugging_with_Code::Blocks ?
Does it work with simple local variables?
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Offline cambalinho

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Re: debuging the code: how add variables and arrays objects to watches window?
« Reply #8 on: August 06, 2015, 12:05:42 am »
finally i get the point.
i must go to getTop() class member and test the intTop value.
thanks for all
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Offline cambalinho

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Re: debuging the code: how add variables and arrays objects to watches window?
« Reply #9 on: August 06, 2015, 12:08:28 am »
another question: i can use OutputDebugString() function, but how can i see it's value\string?
(i'm trying, in hard way, learn more about debuging)
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Offline oBFusCATed

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Re: debuging the code: how add variables and arrays objects to watches window?
« Reply #10 on: August 06, 2015, 12:10:14 am »
It should be in the log of the debugger (probably in the full log, which you have to enable in the debugger settings).
I've told you about this already.

Another option is to define it to something that prints on stdout/stderr:)
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Offline cambalinho

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Re: debuging the code: how add variables and arrays objects to watches window?
« Reply #11 on: August 06, 2015, 12:17:47 am »
i use windows api applications. so it's there another way?
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Offline oBFusCATed

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Re: debuging the code: how add variables and arrays objects to watches window?
« Reply #12 on: August 06, 2015, 12:58:03 am »
Have you checked the log?
The debugger tab in you 'logs and others' window.
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Offline cambalinho

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Re: debuging the code: how add variables and arrays objects to watches window?
« Reply #13 on: August 06, 2015, 01:58:44 pm »
i'm sorry, the string isn't printed on that tab :(
Code
button btnarray[8];
int WinMain()
{
    int arraysize=ArraySize(btnarray, button);//geting the array size
    //btnarray.resize(8);
    int i=0;
    for (i; i<arraysize; i++)
    {
        int inttop=150 + (i*50);
        btnarray[i].setTop(inttop);
        OutputDebugStr(to_string(btnarray[i].getTop()).c_str());//i belive these string must be printed on debugger tab, right?
        btnarray[i].setLeft(0);
        btnarray[i].setText(to_string(i));
        btnarray[i].MouseClick=[i]()
        {
            MessageBox(btnarray[i].getText());
        };
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Offline oBFusCATed

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Re: debuging the code: how add variables and arrays objects to watches window?
« Reply #14 on: August 06, 2015, 08:57:11 pm »
Generally this is the place where you should see it.

Have you enabled full log from the debugger?
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Offline cambalinho

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Re: debuging the code: how add variables and arrays objects to watches window?
« Reply #15 on: August 06, 2015, 09:04:34 pm »
i think i did. but i don't have sure... can you tell me more about?
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Offline oBFusCATed

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Re: debuging the code: how add variables and arrays objects to watches window?
« Reply #16 on: August 06, 2015, 09:17:13 pm »
If you see the debug: at the beginning of the line, then you have done it.
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Offline cambalinho

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Re: debuging the code: how add variables and arrays objects to watches window?
« Reply #17 on: August 06, 2015, 09:32:50 pm »
heres what i see on debug tab:
"Building to ensure sources are up-to-date
Selecting target:
Debug
Adding source dir: C:\Users\Cambalinho\Documents\CodeBlocks\classcontrols\
Adding source dir: C:\Users\Cambalinho\Documents\CodeBlocks\classcontrols\
Adding file: C:\Users\Cambalinho\Documents\CodeBlocks\classcontrols\bin\Debug\classcontrols.exe
Changing directory to: C:/Users/Cambalinho/Documents/CodeBlocks/classcontrols/bin/Debug
Set variable: PATH=.;C:\Program Files (x86)\CodeBlocks\mingw32\i686-w64-mingw32\lib;C:\Program Files (x86)\CodeBlocks\mingw32\bin;C:\Program Files (x86)\CodeBlocks\mingw32;C:\Program Files (x86)\PC Connectivity Solution;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\ProgramData\Oracle\Java\javapath;C:\Windows\System32;C:\Windows;C:\Windows\System32\wbem;C:\Windows\System32\WindowsPowerShell\v1.0;C:\Program Files\Broadcom\Broadcom 802.11\Driver;C:\Program Files (x86)\Skype\Phone
Starting debugger: C:\Program Files (x86)\CodeBlocks\mingw32\bin\gdb.exe -nx -fullname  -quiet  -args C:/Users/Cambalinho/Documents/CodeBlocks/classcontrols/bin/Debug/classcontrols.exe
done
Registered new type: wxString
Registered new type: STL String
Registered new type: STL Vector
Setting breakpoints
Debugger name and version: GNU gdb (GDB) 7.6
Child process PID: 4636"
i'm sorry, i know that i'm miss something, but i don't know what :(
i don't see the result of 'OutputDebugString("hello world");' :(
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Offline oBFusCATed

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Re: debuging the code: how add variables and arrays objects to watches window?
« Reply #18 on: August 06, 2015, 09:43:40 pm »
Obviously you've not enabled full logging...

Settings -> Debugger -> Common -> Full (Debug) Log...

And when pasting please use code tags (the # button above the editor).
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Offline cambalinho

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Re: debuging the code: how add variables and arrays objects to watches window?
« Reply #19 on: August 06, 2015, 09:52:19 pm »
now it's the full, but the:
Code
OutputDebugString("hello world");
isn't showed on it :(
Quote
Building to ensure sources are up-to-date
Selecting target:
Debug
Adding source dir: C:\Users\Cambalinho\Documents\CodeBlocks\classcontrols\
Adding source dir: C:\Users\Cambalinho\Documents\CodeBlocks\classcontrols\
Adding file: C:\Users\Cambalinho\Documents\CodeBlocks\classcontrols\bin\Debug\classcontrols.exe
Changing directory to: C:/Users/Cambalinho/Documents/CodeBlocks/classcontrols/bin/Debug
Set variable: PATH=.;C:\Program Files (x86)\CodeBlocks\mingw32\i686-w64-mingw32\lib;C:\Program Files (x86)\CodeBlocks\mingw32\bin;C:\Program Files (x86)\CodeBlocks\mingw32;C:\Program Files (x86)\PC Connectivity Solution;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\ProgramData\Oracle\Java\javapath;C:\Windows\System32;C:\Windows;C:\Windows\System32\wbem;C:\Windows\System32\WindowsPowerShell\v1.0;C:\Program Files\Broadcom\Broadcom 802.11\Driver;C:\Program Files (x86)\Skype\Phone

[debug]Command-line: C:\Program Files (x86)\CodeBlocks\mingw32\bin\gdb.exe -nx -fullname  -quiet  -args C:/Users/Cambalinho/Documents/CodeBlocks/classcontrols/bin/Debug/classcontrols.exe
[debug]Working dir : C:\Users\Cambalinho\Documents\CodeBlocks\classcontrols\bin\Debug

Starting debugger: C:\Program Files (x86)\CodeBlocks\mingw32\bin\gdb.exe -nx -fullname  -quiet  -args C:/Users/Cambalinho/Documents/CodeBlocks/classcontrols/bin/Debug/classcontrols.exe
done

[debug]> set prompt >>>>>>cb_gdb:

Registered new type: wxString
Registered new type: STL String
Registered new type: STL Vector
Setting breakpoints

[debug]Reading symbols from C:\Users\Cambalinho\Documents\CodeBlocks\classcontrols\bin\Debug\classcontrols.exe...
[debug]done.
[debug](gdb) >>>>>>cb_gdb:
[debug]> show version
[debug]GNU gdb (GDB) 7.6
[debug]Copyright (C) 2013 Free Software Foundation, Inc.
[debug]License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
[debug]This is free software: you are free to change and redistribute it.
[debug]There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
[debug]and "show warranty" for details.
[debug]This GDB was configured as "i686-w64-mingw32".
[debug]For bug reporting instructions, please see:
[debug]<http://www.gnu.org/software/gdb/bugs/>.
[debug]>>>>>>cb_gdb:
[debug]> set confirm off

Debugger name and version: GNU gdb (GDB) 7.6

[debug]>>>>>>cb_gdb:
[debug]> set width 0
[debug]>>>>>>cb_gdb:
[debug]> set height 0
[debug]>>>>>>cb_gdb:
[debug]> set breakpoint pending on
[debug]>>>>>>cb_gdb:
[debug]> set print asm-demangle on
[debug]>>>>>>cb_gdb:
[debug]> set unwindonsignal on
[debug]>>>>>>cb_gdb:
[debug]> set print elements 0
[debug]>>>>>>cb_gdb:
[debug]> set disassembly-flavor att
[debug]>>>>>>cb_gdb:
[debug]> catch throw
[debug]Function "__cxa_throw" not defined.
[debug]Catchpoint 1 (throw)
[debug]>>>>>>cb_gdb:
[debug]> source C:\Program Files (x86)\CodeBlocks\share\codeblocks/scripts/stl-views-1.0.3.gdb
[debug]>>>>>>cb_gdb:
[debug]> directory C:/Users/Cambalinho/Documents/CodeBlocks/classcontrols/
[debug]Source directories searched: C:/Users/Cambalinho/Documents/CodeBlocks/classcontrols;$cdir;$cwd
[debug]>>>>>>cb_gdb:
[debug]> break "C:/Users/Cambalinho/Documents/CodeBlocks/classcontrols/main.cpp:79"
[debug]Breakpoint 2 at 0x405869: file C:\Users\Cambalinho\Documents\CodeBlocks\classcontrols\main.cpp, line 79.
[debug]>>>>>>cb_gdb:
[debug]> run
[debug]Starting program: C:\Users\Cambalinho\Documents\CodeBlocks\classcontrols\bin\Debug\classcontrols.exe

Child process PID: 1704

[debug][New Thread 1704.0xdd4]
[debug][New Thread 1704.0x850]
[debug][New Thread 1704.0x10fc]
[debug][New Thread 1704.0xe18]
[debug][New Thread 1704.0x1200]
[debug][New Thread 1704.0xcf8]
[debug]Breakpoint 2, WinMain@16 (hThisInstance=0x400000, hPreviousInstance=0x0, lpCmLine=0x8b3ad5 "", nCmdShow=10) at C:\Users\Cambalinho\Documents\CodeBlocks\classcontrols\main.cpp:79
[debug]C:\Users\Cambalinho\Documents\CodeBlocks\classcontrols\main.cpp:79:1830:beg:0x405869
[debug]>>>>>>cb_gdb:

At C:\Users\Cambalinho\Documents\CodeBlocks\classcontrols\main.cpp:79

[debug]> info locals
[debug]arraysize = -1
[debug]i = 1
[debug]>>>>>>cb_gdb:
[debug]> info args
[debug]hThisInstance = 0x400000
[debug]hPreviousInstance = 0x0
[debug]lpCmLine = 0x8b3ad5 ""
[debug]nCmdShow = 10
[debug]>>>>>>cb_gdb:

Continuing...

[debug]> cont
[debug]Continuing.

Trying to pause the running process...

[debug][New Thread 1704.0xd14]
[debug]Program received signal SIGTRAP, Trace/breakpoint trap.
[debug][Switching to Thread 1704.0xd14]
[debug]0x7734000d in ntdll!DbgBreakPoint () from C:\Windows\system32\ntdll.dll
[debug]>>>>>>cb_gdb:

Program received signal SIGTRAP, Trace/breakpoint trap.
In ntdll!DbgBreakPoint () (C:\Windows\system32\ntdll.dll)

[debug]> quit

Debugger finished with status 0
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Offline oBFusCATed

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Re: debuging the code: how add variables and arrays objects to watches window?
« Reply #20 on: August 06, 2015, 11:16:50 pm »
Then it is a GDB or MinGW progblem (don't know if outputdebugstring is a OS or runtime thing).
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Offline cambalinho

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Re: debuging the code: how add variables and arrays objects to watches window?
« Reply #21 on: August 06, 2015, 11:28:33 pm »
that's why i did my own:
Code
void debugtext(string text)
{
    //create a permanent controls
    static form debugwindow("Debug Window");
    static label lblDebugText("",debugwindow);

    //control the static depending on it's parent size
    debugwindow.Resize=[]()
    {
        lblDebugText.setWidth(debugwindow.width-10);
        lblDebugText.setHeight(debugwindow.height-10);
    };

    //resize the parent window
    debugwindow.width=1000;
    debugwindow.height=400;

    //print the text depnding if have some text or not
    if(lblDebugText.getText()=="")
        lblDebugText.setText(text);
    else
        lblDebugText.setText(lblDebugText.getText() + "\n" + text);
}
using it:
Code
bool blnRightMouseButtonDown=false;
button btnarray[8];

int WinMain()
{
    OutputDebugString("hello world");
    int arraysize=ArraySize(btnarray, button);//geting the array size
    int i=0;
    for (i; i<arraysize; i++)
    {
        int inttop=150 + (i*50);

        btnarray[i].setTop(inttop);
        btnarray[i].setLeft(0);
        btnarray[i].setText(to_string(i));
        btnarray[i].MouseClick=[i]()
        {
            MessageBox(btnarray[i].getText());
        };
        debugtext((string)to_string(inttop) + "\t" + to_string(i));
    }

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