25 lines
815 B
C
25 lines
815 B
C
|
case OP_CALL: {
|
||
|
|
int argc = inst.operand;
|
||
|
|
if (argc < 0) argc = 0;
|
||
|
|
/* collect args in reverse (preserve order) */
|
||
|
|
Value *args = NULL;
|
||
|
|
if (argc > 0) {
|
||
|
|
args = (Value*)malloc(sizeof(Value) * argc);
|
||
|
|
/* pop args into array in reverse */
|
||
|
|
for (int i = argc - 1; i >= 0; --i) {
|
||
|
|
args[i] = pop_value(vm);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
/* pop function value */
|
||
|
|
Value fnv = pop_value(vm);
|
||
|
|
if (fnv.type != VAL_FUNCTION) {
|
||
|
|
fprintf(stderr, "Runtime type error: CALL expects function\n");
|
||
|
|
exit(1);
|
||
|
|
}
|
||
|
|
/* push new frame and transfer args */
|
||
|
|
vm_push_frame(vm, fnv.fn, argc, args);
|
||
|
|
/* free args array (locals moved), free fnv (no-op for function) */
|
||
|
|
free(args);
|
||
|
|
/* note: fnv contains a pointer to the Bytecode, don't free here */
|
||
|
|
break;
|
||
|
|
}
|