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Handing in my Coder Card

Scheduled Pinned Locked Moved The Lounge
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  • J Jason Hooper

    goto[^] I've only used goto once before as a professional and ended up removing it a few minutes later when I figured out a different way. Sometimes though for simplicity it just makes sense. I think I'll leave it! Anyone who thinks this code should not be checked in, speak now or forever hold your concurrency locks.

    Jason

    T Offline
    T Offline
    TheGreatAndPowerfulOz
    wrote on last edited by
    #6

    Sometimes things like that can be handled by placing the code in a method.

    If your actions inspire others to dream more, learn more, do more and become more, you are a leader." - John Quincy Adams
    You must accept one of two basic premises: Either we are alone in the universe, or we are not alone in the universe. And either way, the implications are staggering” - Wernher von Braun

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    • L lewax00

      I feel like wrapping the rest of the code (up to "end") in an else block should cover that, why complicate it with uncommon syntax?

      J Offline
      J Offline
      Jason Hooper
      wrote on last edited by
      #7

      In any decision where I have two blocks of code that are functionally equivalent but one is more nested than the other, I will pick the less nested version. Fewer braces overall in the code.

      Jason

      L 1 Reply Last reply
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      • S Slacker007

        I'm sure the goto bit needs to be debugged. Just saying.

        "the meat from that butcher is just the dogs danglies, absolutely amazing cuts of beef." - DaveAuld (2011)
        "No, that is just the earthly manifestation of the Great God Retardon." - Nagy Vilmos (2011) "It is the celestial scrotum of good luck!" - Nagy Vilmos (2011) "But you probably have the smoothest scrotum of any grown man" - Pete O'Hanlon (2012)

        V Offline
        V Offline
        Vasily Tserekh
        wrote on last edited by
        #8

        int ASMcontarpalabras(char * texto, int text_size,char * palabra, int pal_size)
        {
        asm
        {
        mov [ebp-4],0 // suma total
        mov [ebp-8],'v' // dice si es inicio de palabra (v o f)
        mov esi,[ebp+8] // texto
        mov edx,[ebp+12] // tamaño del texto
        mov edi,[ebp+16] // palabra
        mov ecx,[ebp+20] // tamaño de la palabra
        mov ebx,-1 // contador del texto
        xor eax,eax // toma las letras del texto y la palabras en al y ah
        mov [esi+edx],' ' // pone al final del texto y la palabra un
        mov [edi+ecx],' ' // caracter en blanco
        inc edx

        main_ciclo: inc ebx
        cmp ebx,edx
        je salir
        mov al,esi[ebx] // mueve a al un caracter del texto
        cmp al,32 // chequea si es un espacio
        je continuar2
        cmp [ebp-8],'f' // chequea si es inicio de palabra
        je continuar1 // si no salta a continuar1
        mov ah,[edi] //mueve a ah la primera letra
        cmp al,ah
        je comparar
        jmp continuar1

        //*************
        comparar: push ecx
        push ebx
        mov ecx,2
        inc ebx // para comparar con la segunda letra

         ciclo:  mov al,esi\[ebx\]   //texto
                 mov ah,edi\[ecx-1\] //palabra
                 inc ebx
                 inc ecx
                 cmp al,32         //chequea si se acabo la palabra en el texto
                 je check1:
                 cmp ah,32         //chequea si se acabo la palabra
                 je  salir\_dif
                 cmp al,ah
                 je ciclo
                 jmp salir\_dif
        
         check1: cmp ah,32          //chequea si las palabras son iguales
                 je check2
                 jmp salir\_dif
        
         check2: sub ebx,ecx        //chequea si tienen igual longitud
                 cmp ebx,0
                 jl salir\_igual
                 xor ecx,ecx
                 mov cl,esi\[ebx\]
                 cmp cl,32
                 je salir\_igual
                 jmp salir\_dif
        

        salir_igual: inc [ebp-4] //encontro una palabra
        pop ebx
        cmp ebx,edx
        je salir_fin // sale si es igual
        pop ecx
        jmp main_ciclo

        salir_dif: pop ebx // ...si es diferente
        pop ecx
        jmp main_ciclo

        salir_fin: pop ecx // ...si se acabo el texto
        pop ebx

        T L 2 Replies Last reply
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        • V Vasily Tserekh

          int ASMcontarpalabras(char * texto, int text_size,char * palabra, int pal_size)
          {
          asm
          {
          mov [ebp-4],0 // suma total
          mov [ebp-8],'v' // dice si es inicio de palabra (v o f)
          mov esi,[ebp+8] // texto
          mov edx,[ebp+12] // tamaño del texto
          mov edi,[ebp+16] // palabra
          mov ecx,[ebp+20] // tamaño de la palabra
          mov ebx,-1 // contador del texto
          xor eax,eax // toma las letras del texto y la palabras en al y ah
          mov [esi+edx],' ' // pone al final del texto y la palabra un
          mov [edi+ecx],' ' // caracter en blanco
          inc edx

          main_ciclo: inc ebx
          cmp ebx,edx
          je salir
          mov al,esi[ebx] // mueve a al un caracter del texto
          cmp al,32 // chequea si es un espacio
          je continuar2
          cmp [ebp-8],'f' // chequea si es inicio de palabra
          je continuar1 // si no salta a continuar1
          mov ah,[edi] //mueve a ah la primera letra
          cmp al,ah
          je comparar
          jmp continuar1

          //*************
          comparar: push ecx
          push ebx
          mov ecx,2
          inc ebx // para comparar con la segunda letra

           ciclo:  mov al,esi\[ebx\]   //texto
                   mov ah,edi\[ecx-1\] //palabra
                   inc ebx
                   inc ecx
                   cmp al,32         //chequea si se acabo la palabra en el texto
                   je check1:
                   cmp ah,32         //chequea si se acabo la palabra
                   je  salir\_dif
                   cmp al,ah
                   je ciclo
                   jmp salir\_dif
          
           check1: cmp ah,32          //chequea si las palabras son iguales
                   je check2
                   jmp salir\_dif
          
           check2: sub ebx,ecx        //chequea si tienen igual longitud
                   cmp ebx,0
                   jl salir\_igual
                   xor ecx,ecx
                   mov cl,esi\[ebx\]
                   cmp cl,32
                   je salir\_igual
                   jmp salir\_dif
          

          salir_igual: inc [ebp-4] //encontro una palabra
          pop ebx
          cmp ebx,edx
          je salir_fin // sale si es igual
          pop ecx
          jmp main_ciclo

          salir_dif: pop ebx // ...si es diferente
          pop ecx
          jmp main_ciclo

          salir_fin: pop ecx // ...si se acabo el texto
          pop ebx

          T Offline
          T Offline
          Tom Clement
          wrote on last edited by
          #9

          I'm pretty confident that the use of "goto" in assembler is de rigueur. :)

          Tom Clement Serena Software, Inc. www.serena.com articles[^]

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          • J Jason Hooper

            goto[^] I've only used goto once before as a professional and ended up removing it a few minutes later when I figured out a different way. Sometimes though for simplicity it just makes sense. I think I'll leave it! Anyone who thinks this code should not be checked in, speak now or forever hold your concurrency locks.

            Jason

            L Offline
            L Offline
            Lost User
            wrote on last edited by
            #10

            I use return while having those ifs in a separate validation method. Goto is really not professional.

            1 Reply Last reply
            0
            • V Vasily Tserekh

              int ASMcontarpalabras(char * texto, int text_size,char * palabra, int pal_size)
              {
              asm
              {
              mov [ebp-4],0 // suma total
              mov [ebp-8],'v' // dice si es inicio de palabra (v o f)
              mov esi,[ebp+8] // texto
              mov edx,[ebp+12] // tamaño del texto
              mov edi,[ebp+16] // palabra
              mov ecx,[ebp+20] // tamaño de la palabra
              mov ebx,-1 // contador del texto
              xor eax,eax // toma las letras del texto y la palabras en al y ah
              mov [esi+edx],' ' // pone al final del texto y la palabra un
              mov [edi+ecx],' ' // caracter en blanco
              inc edx

              main_ciclo: inc ebx
              cmp ebx,edx
              je salir
              mov al,esi[ebx] // mueve a al un caracter del texto
              cmp al,32 // chequea si es un espacio
              je continuar2
              cmp [ebp-8],'f' // chequea si es inicio de palabra
              je continuar1 // si no salta a continuar1
              mov ah,[edi] //mueve a ah la primera letra
              cmp al,ah
              je comparar
              jmp continuar1

              //*************
              comparar: push ecx
              push ebx
              mov ecx,2
              inc ebx // para comparar con la segunda letra

               ciclo:  mov al,esi\[ebx\]   //texto
                       mov ah,edi\[ecx-1\] //palabra
                       inc ebx
                       inc ecx
                       cmp al,32         //chequea si se acabo la palabra en el texto
                       je check1:
                       cmp ah,32         //chequea si se acabo la palabra
                       je  salir\_dif
                       cmp al,ah
                       je ciclo
                       jmp salir\_dif
              
               check1: cmp ah,32          //chequea si las palabras son iguales
                       je check2
                       jmp salir\_dif
              
               check2: sub ebx,ecx        //chequea si tienen igual longitud
                       cmp ebx,0
                       jl salir\_igual
                       xor ecx,ecx
                       mov cl,esi\[ebx\]
                       cmp cl,32
                       je salir\_igual
                       jmp salir\_dif
              

              salir_igual: inc [ebp-4] //encontro una palabra
              pop ebx
              cmp ebx,edx
              je salir_fin // sale si es igual
              pop ecx
              jmp main_ciclo

              salir_dif: pop ebx // ...si es diferente
              pop ecx
              jmp main_ciclo

              salir_fin: pop ecx // ...si se acabo el texto
              pop ebx

              L Offline
              L Offline
              Lost User
              wrote on last edited by
              #11

              Protip: on codeproject je is not coloured, but jz is.

              D 1 Reply Last reply
              0
              • J Jason Hooper

                goto[^] I've only used goto once before as a professional and ended up removing it a few minutes later when I figured out a different way. Sometimes though for simplicity it just makes sense. I think I'll leave it! Anyone who thinks this code should not be checked in, speak now or forever hold your concurrency locks.

                Jason

                L Offline
                L Offline
                Lost User
                wrote on last edited by
                #12

                I think your Coder Card is a forgery. :-D

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                0
                • J Jason Hooper

                  In any decision where I have two blocks of code that are functionally equivalent but one is more nested than the other, I will pick the less nested version. Fewer braces overall in the code.

                  Jason

                  L Offline
                  L Offline
                  lewax00
                  wrote on last edited by
                  #13

                  In general I'd agree, but if the alternative is duplicate code or a goto then I can't see the justification. Ignoring the argument of the appropriateness of goto, it is less readable even if its only because its so rarely used.

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                  0
                  • J Jason Hooper

                    goto[^] I've only used goto once before as a professional and ended up removing it a few minutes later when I figured out a different way. Sometimes though for simplicity it just makes sense. I think I'll leave it! Anyone who thinks this code should not be checked in, speak now or forever hold your concurrency locks.

                    Jason

                    RaviBeeR Offline
                    RaviBeeR Offline
                    RaviBee
                    wrote on last edited by
                    #14

                    goto the end of a block is perfectly admissible.  break, continue and return do exactly this. /ravi

                    My new year resolution: 2048 x 1536 Home | Articles | My .NET bits | Freeware ravib(at)ravib(dot)com

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                    0
                    • J Jason Hooper

                      goto[^] I've only used goto once before as a professional and ended up removing it a few minutes later when I figured out a different way. Sometimes though for simplicity it just makes sense. I think I'll leave it! Anyone who thinks this code should not be checked in, speak now or forever hold your concurrency locks.

                      Jason

                      M Offline
                      M Offline
                      Mycroft Holmes
                      wrote on last edited by
                      #15

                      1991 was the last time I used GOTO, and I was not a professional then X|

                      Never underestimate the power of human stupidity RAH

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                      0
                      • J Jason Hooper

                        goto[^] I've only used goto once before as a professional and ended up removing it a few minutes later when I figured out a different way. Sometimes though for simplicity it just makes sense. I think I'll leave it! Anyone who thinks this code should not be checked in, speak now or forever hold your concurrency locks.

                        Jason

                        P Offline
                        P Offline
                        PIEBALDconsult
                        wrote on last edited by
                        #16

                        Jason Hooper wrote:

                        used goto ... as a professional

                        I have, but in scripts (e.g. DCL and BAT files), not in proper programming languages. Except for VAX BASIC, but maybe that stretches the definition of "proper programming language". :~

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                        0
                        • L Lost User

                          Protip: on codeproject je is not coloured, but jz is.

                          D Offline
                          D Offline
                          Dan Neely
                          wrote on last edited by
                          #17

                          Protip; bugs should be reported[^] bug forum instead of on the lounge.

                          Did you ever see history portrayed as an old man with a wise brow and pulseless heart, waging all things in the balance of reason? Is not rather the genius of history like an eternal, imploring maiden, full of fire, with a burning heart and flaming soul, humanly warm and humanly beautiful? --Zachris Topelius Training a telescope on one’s own belly button will only reveal lint. You like that? You go right on staring at it. I prefer looking at galaxies. -- Sarah Hoyt

                          L 1 Reply Last reply
                          0
                          • D Dan Neely

                            Protip; bugs should be reported[^] bug forum instead of on the lounge.

                            Did you ever see history portrayed as an old man with a wise brow and pulseless heart, waging all things in the balance of reason? Is not rather the genius of history like an eternal, imploring maiden, full of fire, with a burning heart and flaming soul, humanly warm and humanly beautiful? --Zachris Topelius Training a telescope on one’s own belly button will only reveal lint. You like that? You go right on staring at it. I prefer looking at galaxies. -- Sarah Hoyt

                            L Offline
                            L Offline
                            Lost User
                            wrote on last edited by
                            #18

                            Fair enough. Of course it was me who supplied the list in the first place, so it's really my fault :laugh: There was a limit on how many instructions could be coloured, and I figured, well, they're really the same instruction anyway.

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