Thread: pascal and C equivilent

  1. #1
    Registered User
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    pascal and C equivilent

    Hi would anyone know pascal and how to change a packed record
    in to C.

    Here is a sample: -

    fct=(lit,opr,lod,sto,cal,int,jmp,jpc);

    packed record
    f: fct;
    end

    with i do (*if i is an integer -instruction- *)
    case f of
    lit : begin
    (*the rest is just a case structure*)
    .................

    tried looking on the web there is nothing on there which makes sence.
    not sure what this means above though.
    the code i am trying to convert is from http://www.246.dk/pl0.html
    if you look right at the bottom where it says writeln('Start PL/0');
    that is what i am trying to convert, done most of it but just not sure on what this part is doing.

    Some help would be very apreciated. thankyou
    Paul

  2. #2
    and the hat of int overfl Salem's Avatar
    Join Date
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    You can probably ignore the packed aspect, if you're not writing the record itself to the file.

    After that, its
    Code:
    typedef enum {
      lit,
      opr,
      /* etc */
    } op_t;
    typedef struct {
      op_t   f;
      int l;
      int a;
    } instruction_t;

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