[MonoDevelop] I want to run a c program on Prisoner's Dilemma in Mono - build report

Thu Jul 24 13:44:48 UTC 2014

Okay, replaced with int. The build report:
Build successful.
Build failed. Object reference not set to an instance of an object

On 24/07/2014, Rajib Bandopadhyay <bkpsusmitaa at gmail.com> wrote:
> Dear Mr. Norton,
> I have replaced Boolean with Bool as suggested. I renamed the file as
> *.cpp.
> Have you been able to run the program after conversion to c#? If you
> have been successful then I shall proceed, otherwise, it would be a
> waste of energy and time.
> Regards,
>
> On 24/07/2014, Ian Norton <ian.norton-badrul at thales-esecurity.com> wrote:
>> On Thu, Jul 24, 2014 at 02:09:06PM +0100, Rajib Bandopadhyay wrote:
>>> Dear Mr. Norton,
>>> I know only c, and I haven't practiced c#. I am not confident if I can
>>> take up the work, but it is sure worth a try. Also. I have no
>>> alternative but to port the program to c++ or c#, do I?!
>>> For that to happen I have to understand how the Prisoner's Dilemma was
>>> written in the original code, barring the graphics part.
>>> Thank you for responding.
>>> Regards
>>> Rajib Bandopadhyay
>>
>> Well, C# is very easy, but I guess for the purposes of this excercize it
>> could
>> just as well be done in both. (c# is much easier than C in my opionion)
>>
>> So, Lets start with C anyway.
>>
>> It is probably best you try and compile it by hand first, so try running:
>>
>> $ gcc -c prisoner.c
>>
>> I get errors like:
>>
>> inb at carrot:~$ gcc -c prisoner.c
>> prisoner.c: In function 'main':
>> prisoner.c:27:5: error: unknown type name 'WindowPtr'
>> prisoner.c:28:5: error: unknown type name 'Rect'
>> prisoner.c:39:5: error: unknown type name 'Boolean'
>> prisoner.c:40:5: error: unknown type name 'Boolean'
>> prisoner.c:42:16: error: 'qd' undeclared (first use in this function)
>> prisoner.c:42:16: note: each undeclared identifier is reported only once
>> for
>> each function it appears in
>> prisoner.c:47:20: warning: cast to pointer from integer of different size
>> [-Wint-to-pointer-cast]
>> prisoner.c:49:16: error: 'Boolean' undeclared (first use in this
>> function)
>>
>> Which is complaining about WindowPtr, Rect as unknown types.
>>
>> Boolean suggests that the program was originally written for an
>> Objective-C
>> compiler, which makes sense if the original was for MacOS.
>>
>> So we'll probably want to remove or comment out the WindowPtr and Rect
>> lines
>> and replace "Boolean" with "bool" if we want this in C.
>>
>> See what you get after making those changes.
>>
>> Ian
>>
>>> On 24/07/2014, Ian Norton <ian.norton-badrul at thales-esecurity.com>
>>> wrote:
>>> > On Thu, Jul 24, 2014 at 01:06:43PM +0100, Rajib Bandopadhyay wrote:
>>> >> I contacted the original writer of the said codes, Prof.Alexander M
>>> >> Kasprzyk, of the Imperial College, London. He says:
>>> >> "..The code is written for Classic Mac OS -- this is the operating
>>> >> system predating OS X, and will not run on any modern hardware. This
>>> >> is explained quite clearly on the webpage. You will not be able to
>>> >> run
>>> >> it "as-is" on any modern computer.
>>> >> "But the code is only a few tens of lines long, and it is a
>>> >> beginner's
>>> >> exercise in C programming to port it to the operating system of your
>>> >> choice. There is, at most, an hour of work involved..."
>>> >> Can someone with sufficient knowledge of c programming help me
>>> >> please?
>>> >> Regards
>>> >
>>> > I'm sure there are a few of us but the monoodevelop list probably
>>> > isn't
>>> > the
>>> > most likley place to be filled with C developers. (since monodevelop
>>> > is
>>> > mainly
>>> > for c#)
>>> >
>>> > I'll try and get you started. Infact, probably the first thing to do
>>> > is
>>> > not
>>> > use
>>> > monodevelop for this, since you'll need to know about the compiler and
>>> > what
>>> > you
>>> > are giving it. second you will need to adjust you expectations a bit,
>>> > graphical
>>> > programming is very hard. Currently prisoner.c draws directly to some
>>> > sort
>>> > of
>>> > graphics window, you wont be able to get that sort of access very
>>> > easily
>>> > in
>>> > C
>>> > without learning about a specific library.
>>> >
>>> > That said, you could re-write it in C# which would give you easier
>>> > access
>>> > to
>>> > graphics (System.Drawing + System.Windows.Forms) and would help you
>>> > understand
>>> > both the languages in use and the aspects that the demo illustrates
>>> > from
>>> > the
>>> > thoery.
>>> >
>>> > Let me know what you'd like to try,
>>> >
>>> > Best Regards
>>> >
>>> > Ian
>>> >
>>> >> On 24/07/2014, Rajib Bandopadhyay <bkpsusmitaa at gmail.com> wrote:
>>> >> > Thank you for trying, Mr. Norton.
>>> >> >
>>> >> > On 24/07/2014, Ian Norton <ian.norton-badrul at thales-esecurity.com>
>>> >> > wrote:
>>> >> >> Hi there,
>>> >> >>
>>> >> >> Well it looks like the code is missing some instructions. Like
>>> >> >> what
>>> >> >> platform
>>> >> >> it is intended for and what libraries it needs and the headers it
>>> >> >> needs
>>> >> >> to
>>> >> >> include.
>>> >> >>
>>> >> >> For me it fails to compile as a c program because it has no idea
>>> >> >> that
>>> >> >> some
>>> >> >> of the types are
>>> >> >>
>>> >> >> On 24 July 2014 10:07:43 BST, Rajib Bandopadhyay
>>> >> >> <bkpsusmitaa at gmail.com>
>>> >> >> wrote:
>>> >> >>>Dear Mr. Norton,
>>> >> >>>I have just the code, from the informed link. The field is game
>>> >> >>> theory.
>>> >> >>>Regards
>>> >> >>>
>>> >> >>>On 24/07/2014, Ian Norton <ian.norton-badrul at thales-esecurity.com>
>>> >> >>>wrote:
>>> >> >>>> Ok,  What kind of project did you create? A C Console project?
>>> >> >>>>
>>> >> >>>> On Thu, Jul 24, 2014 at 09:41:06AM +0100, Rajib Bandopadhyay
>>> >> >>>> wrote:
>>> >> >>>>> Dear Mr. Norton, I am trying to just use Monodevelop to build
>>> >> >>>>> and
>>> >> >>>run
>>> >> >>>>> the C program? Regards
>>> >> >>>>> Rajib Bandopadhyay
>>> >> >>>>>
>>> >> >>>>> On 24/07/2014, Rajib Bandopadhyay <bkpsusmitaa at gmail.com>
>>> >> >>>>> wrote:
>>> >> >>>>> > Dear Mr. Norton,
>>> >> >>>>> > Could you please visit the original link provided with my
>>> >> >>>>> > first
>>> >> >>>post?
>>> >> >>>>> > Eager to receive your solution.
>>> >> >>>>> > Regards
>>> >> >>>>> > Rajib Bandopadhyay
>>> >> >>>>> >
>>> >> >>>>> > On 24/07/2014, Ian Norton
>>> >> >>>>> > <ian.norton-badrul at thales-esecurity.com>
>>> >> >>>>> > wrote:
>>> >> >>>>> >> Hi Rajib,
>>> >> >>>>> >>
>>> >> >>>>> >> Well the source you attached has some bits missing. (it has
>>> >> >>>define
>>> >> >>>>> >> rather
>>> >> >>>>> >> than
>>> >> >>>>> >> #define)
>>> >> >>>>> >>
>>> >> >>>>> >> Ian
>>> >> >>>>> >>
>>> >> >>>>> >> On Thu, Jul 24, 2014 at 09:16:49AM +0100, Rajib Bandopadhyay
>>> >> >>>wrote:
>>> >> >>>>> >>> Thank you for emailing, Mr. Norton! As I have informed in
>>> >> >>>>> >>> my
>>> >> >>>earlier
>>> >> >>>>> >>> email (along with link) I am trying to run this program
>>> >> >>>>> >>> written
>>> >> >>>in c
>>> >> >>>>> >>> (and correct, as per poster, who is a Tenured Prof. in the
>>> >> >>>>> >>> UK)
>>> >> >>>in
>>> >> >>>>> >>> Mono.
>>> >> >>>>> >>> If I am successful in running the program (with your
>>> >> >>>>> >>> support)
>>> >> >>>>> >>> I
>>> >> >>>will
>>> >> >>>>> >>> be in a position to study the various aspects of Game
>>> >> >>>>> >>> theory.
>>> >> >>>>> >>> Regards,
>>> >> >>>>> >>> Rajib Bandopadhyay
>>> >> >>>>> >>>
>>> >> >>>>> >>> On 24/07/2014, Ian Norton
>>> >> >>><ian.norton-badrul at thales-esecurity.com>
>>> >> >>>>> >>> wrote:
>>> >> >>>>> >>> > Are you trying to compile a c program (that looks full of
>>> >> >>>errors)
>>> >> >>>>> >>> > with
>>> >> >>>>> >>> > monodevelop as a c# assembly?
>>> >> >>>>> >>> >
>>> >> >>>>> >>> > Can you describe the steps you take in setting up the
>>> >> >>>>> >>> > project?
>>> >> >>>>> >>> >
>>> >> >>>>> >>> > On 24 July 2014 08:30:37 BST, Rajib Bandopadhyay
>>> >> >>>>> >>> > <bkpsusmitaa at gmail.com>
>>> >> >>>>> >>> > wrote:
>>> >> >>>>> >>> >>I am very new to Mono. I wish to run a program on
>>> >> >>>>> >>> >> Prisoner's
>>> >> >>>>> >>> >> Dilemma
>>> >> >>>>> >>> >>in Mono. The program is attached. The file is originally
>>> >> >>>>> >>> >> from
>>> >> >>>:
>>> >> >>>>> >>> >>http://www.kasprzyk.demon.co.uk/www/alife/dilemma.html
>>> >> >>>>> >>> >>The IDE reports:
>>> >> >>>>> >>> >>Build successful.
>>> >> >>>>> >>> >>Build failed. Object reference not set to an instance of
>>> >> >>>>> >>> >> an
>>> >> >>>object
>>> >> >>>>> >>> >>
>>> >> >>>>> >>> >>Conflicting outputs are confusing. Could anyone please
>>> >> >>>>> >>> >> suggest
>>> >> >>>where
>>> >> >>>>> >>> >> I
>>> >> >>>>> >>> >>am going wrong?
>>> >> >>>>> >>> >>Regards,
>>> >> >>>>> >>> >>Rajib Bandopadhyay
>>> >> >>>>> >>> >>
>>> >> >>>>> >>> >>
>>> >> >>>>> >>> >>
>>> >> >>>>> >>> >>================================
>>> >> >>>>> >>> >>             Mono Version Information
>>> >> >>>>> >>> >>================================
>>> >> >>>>> >>> >>MonoDevelop 3.0.3.2
>>> >> >>>>> >>> >>Installation UUID: 8c06afc7-839d-481d-bea9-2136986f0a9c
>>> >> >>>>> >>> >>Runtime:
>>> >> >>>>> >>> >>	Mono 2.10.8.1 (Debian 2.10.8.1-8)
>>> >> >>>>> >>> >>	GTK 2.24.10
>>> >> >>>>> >>> >>	GTK# (2.12.0.0)
>>> >> >>>>> >>> >>Build information:
>>> >> >>>>> >>> >>	Git revision:
>>> >> >>>>> >>> >> 7bf6ac0ca43c1b12703176ad9933c3484c05c84c-dirty
>>> >> >>>>> >>> >>	Build date: 2012-06-22 20:57:52+0000
>>> >> >>>>> >>> >>Operating System:
>>> >> >>>>> >>> >>	Linux
>>> >> >>>>> >>> >>	Linux Microknoppix 3.9.6 #25 SMP PREEMPT Sat Jun 15
>>> >> >>>>> >>> >> 15:27:01
>>> >> >>>CEST
>>> >> >>>>> >>> >>2013 i686 GNU/Linux
>>> >> >>>>> >>> >
>>> >> >>>>> >>> _______________________________________________
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>>> >> >>>>> >
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>>
>