mdw@git.distorted.org.uk Git - sod/blob - test/chimaera.sod

   1 /* -*-sod-*-
   2  *
   3  * A simple SOD module for testing.
   4  */
   5
   6 code c : includes {
   7 #include <stdio.h>
   8 #include "chimaera.h"
   9 }
  10
  11 code h : includes {
  12 #include "sod.h"
  13 }
  14
  15 [nick = nml, link = SodObject]
  16 class Animal : SodObject {
  17   int tickles = 0;
  18
  19   [combination = progn]
  20   void tickle();
  21
  22   [role = before]
  23   void nml.tickle() { me->nml.tickles++; }
  24 }
  25
  26 class Lion : Animal {
  27   void bite() { puts("Munch!"); }
  28   void nml.tickle() { Lion_bite(me); }
  29 }
  30
  31 class Goat : Animal {
  32   void butt() { puts("Bonk!"); }
  33   void nml.tickle() { Goat_butt(me); }
  34 }
  35
  36 class Serpent : Animal {
  37   void hiss() { puts("Sssss!"); }
  38   void bite() { puts("Nom!"); }
  39   void nml.tickle() {
  40     if (SERPENT__CONV_NML(me)->nml.tickles > 2) Serpent_bite(me);
  41     else Serpent_hiss(me);
  42   }
  43 }
  44
  45 [nick = sir, link = Animal]
  46 class Chimaera : Lion, Goat, Serpent {
  47 }
  48
  49 code c : user [classes end, user, epilogue] {
  50 /*----- Main driver code --------------------------------------------------*/
  51
  52 static void tickle_animal(Animal *a)
  53 {
  54   int i;
  55
  56   for (i = 0; i < 3; i++) {
  57     printf("tickle %s #%d...\n", a->_vt->_class->cls.name, i);
  58     Animal_tickle(a);
  59   }
  60 }
  61
  62 static void provoke_lion(Lion *l)
  63 {
  64   printf("provoking %s as a lion\n", l->_vt->_class->cls.name);
  65   Lion_bite(l);
  66 }
  67
  68 static void provoke_goat(Goat *g)
  69 {
  70   printf("provoking %s as a goat\n", g->_vt->_class->cls.name);
  71   Goat_butt(g);
  72 }
  73
  74 static void provoke_serpent(Serpent *s)
  75 {
  76   printf("provoking %s as a serpent\n", s->_vt->_class->cls.name);
  77   Serpent_bite(s);
  78 }
  79
  80 int main(void)
  81 {
  82   {
  83     SOD_DECL(Lion, l);
  84     provoke_lion(l);
  85     tickle_animal(LION__CONV_NML(l));
  86   }
  87
  88   {
  89     SOD_DECL(Goat, g);
  90     provoke_goat(g);
  91     tickle_animal(GOAT__CONV_NML(g));
  92   }
  93
  94   {
  95     SOD_DECL(Serpent, s);
  96     provoke_serpent(s);
  97     tickle_animal(SERPENT__CONV_NML(s));
  98   }
  99
 100   {
 101     SOD_DECL(Chimaera, c);
 102     provoke_lion(CHIMAERA__CONV_LION(c));
 103     provoke_goat(CHIMAERA__CONV_GOAT(c));
 104     provoke_serpent(CHIMAERA__CONV_SERPENT(c));
 105     tickle_animal(CHIMAERA__CONV_NML(c));
 106   }
 107
 108   return (0);
 109 }
 110
 111 }