| 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] void tickle(); |
| 20 | [role = before] void nml.tickle() { me->nml.tickles++; } |
| 21 | } |
| 22 | |
| 23 | class Lion : Animal { |
| 24 | void bite() { puts("Munch!"); } |
| 25 | void nml.tickle() { Lion_bite(me); } |
| 26 | } |
| 27 | |
| 28 | class Goat : Animal { |
| 29 | void butt() { puts("Bonk!"); } |
| 30 | void nml.tickle() { Goat_butt(me); } |
| 31 | } |
| 32 | |
| 33 | class Serpent : Animal { |
| 34 | int limit = 2; |
| 35 | |
| 36 | void hiss() { puts("Sssss!"); } |
| 37 | void bite() { puts("Nom!"); } |
| 38 | void nml.tickle() { |
| 39 | if (SERPENT__CONV_NML(me)->nml.tickles <= me->serpent.limit) |
| 40 | Serpent_hiss(me); |
| 41 | else |
| 42 | Serpent_bite(me); |
| 43 | } |
| 44 | } |
| 45 | |
| 46 | [nick = sir, link = Animal] |
| 47 | class Chimaera : Lion, Goat, Serpent { |
| 48 | serpent.limit = 1; |
| 49 | } |
| 50 | |
| 51 | code c : user { |
| 52 | /*----- Main driver code --------------------------------------------------*/ |
| 53 | |
| 54 | static void tickle_animal(Animal *a) |
| 55 | { |
| 56 | int i; |
| 57 | |
| 58 | for (i = 0; i < 3; i++) { |
| 59 | printf("tickle %s #%d...\n", a->_vt->_class->cls.name, i); |
| 60 | Animal_tickle(a); |
| 61 | } |
| 62 | } |
| 63 | |
| 64 | static void provoke_lion(Lion *l) |
| 65 | { |
| 66 | printf("provoking %s as a lion\n", l->_vt->_class->cls.name); |
| 67 | Lion_bite(l); |
| 68 | } |
| 69 | |
| 70 | static void provoke_goat(Goat *g) |
| 71 | { |
| 72 | printf("provoking %s as a goat\n", g->_vt->_class->cls.name); |
| 73 | Goat_butt(g); |
| 74 | } |
| 75 | |
| 76 | static void provoke_serpent(Serpent *s) |
| 77 | { |
| 78 | printf("provoking %s as a serpent\n", s->_vt->_class->cls.name); |
| 79 | Serpent_bite(s); |
| 80 | } |
| 81 | |
| 82 | int main(void) |
| 83 | { |
| 84 | { |
| 85 | SOD_DECL(Lion, l, NO_KWARGS); |
| 86 | provoke_lion(l); |
| 87 | tickle_animal(LION__CONV_NML(l)); |
| 88 | } |
| 89 | |
| 90 | { |
| 91 | SOD_DECL(Goat, g, NO_KWARGS); |
| 92 | provoke_goat(g); |
| 93 | tickle_animal(GOAT__CONV_NML(g)); |
| 94 | } |
| 95 | |
| 96 | { |
| 97 | SOD_DECL(Serpent, s, NO_KWARGS); |
| 98 | provoke_serpent(s); |
| 99 | tickle_animal(SERPENT__CONV_NML(s)); |
| 100 | } |
| 101 | |
| 102 | { |
| 103 | SOD_DECL(Chimaera, c, NO_KWARGS); |
| 104 | provoke_lion(CHIMAERA__CONV_LION(c)); |
| 105 | provoke_goat(CHIMAERA__CONV_GOAT(c)); |
| 106 | provoke_serpent(CHIMAERA__CONV_SERPENT(c)); |
| 107 | tickle_animal(CHIMAERA__CONV_NML(c)); |
| 108 | } |
| 109 | |
| 110 | return (0); |
| 111 | } |
| 112 | |
| 113 | } |