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interpreteur instructions.c avec les fonctions

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This commit is contained in:
Leonie Gallois 2021-04-29 12:28:21 +02:00
parent 7734aea2d2
commit 2733800f4d
1 changed files with 39 additions and 0 deletions
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39
Interpreteur/src/instructions.c
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@ -13,8 +13,31 @@ int current_line;
int has_error; int has_error;
int memory[MAX_MEMORY_SIZE]; int memory[MAX_MEMORY_SIZE];
int memory_fonc[MAX_MEMORY_SIZE];
int EBP=0; int EBP=0;
int INDEX_memory_fonc=0;
int pop(){
int res;
if(INDEX_memory_fonc >0){
res=memory_fonc[INDEX_memory_fonc];
memory_fonc[INDEX_memory_fonc]=-1;
INDEX_memory_fonc --;
}else{
printf("erreur pop dans la pile des adresses de retour et sauvegardes de contexte, pile déjà vide\n");
}
return res;
}
void push(int arg){
if (INDEX_memory_fonc < MAX_MEMORY_SIZE){
INDEX_memory_fonc ++;
memory_fonc[INDEX_memory_fonc]=arg;
}else{
printf("erreur push dans la pile des adresses de retour et sauvegardes de contexte, taille excedée\n");
}
}
int exec(int ip); int exec(int ip);
int valid_memory_addr(int address); int valid_memory_addr(int address);
@ -154,6 +177,22 @@ int exec(int ip) {
printf("READ @%d[%d] = @%d\n", arg1, memory[arg1], memory[memory[arg1+EBP]]); printf("READ @%d[%d] = @%d\n", arg1, memory[arg1], memory[memory[arg1+EBP]]);
memory[arg1]=memory[memory[arg1+EBP]]; memory[arg1]=memory[memory[arg1+EBP]];
break; break;
case COPR:
printf("COPR @ebp-%d = @%d[%d]\n", arg2, arg1, memory[arg1]);
memory[EBP-arg2]=memory[arg1];
break;
case CALL:
printf("CALL memory_fonc: adr_ret=%d; context (ebp)=%d \njump to function to line %d\n", arg3, EBP, arg1);
push(arg3);
push(EBP);
EBP+=arg2;
next_ip=arg1;
break;
case RET:
EBP=pop();
next_ip=pop();
printf("RET return to line %d \nand update ebp to %d\n", next_ip, EBP);
break;
default: default:
fprintf(stderr, "ERROR run : unknown inst.\n"); fprintf(stderr, "ERROR run : unknown inst.\n");
} }