EXTERN value neko_vm_execute( neko_vm *vm, void *_m ) {
unsigned int i;
neko_module *m = (neko_module*)_m;
value old_env = vm->env, ret;
value old_this = vm->vthis;
neko_vm_select(vm);
for(i=0;i<m->nfields;i++)
val_id(val_string(m->fields[i]));
vm->env = alloc_array(0);
vm->vthis = val_null;
ret = neko_interp(vm,m,(int_val)val_null,m->code);
vm->env = old_env;
vm->vthis = old_this;
return ret;
}
EXTERN value val_callEx( value vthis, value f, value *args, int nargs, value *exc ) {
neko_vm *vm = NEKO_VM();
value old_this = vm->vthis;
value old_env = vm->env;
value ret = val_null;
jmp_buf oldjmp;
if( vthis != NULL )
vm->vthis = vthis;
if( exc ) {
memcpy(&oldjmp,&vm->start,sizeof(jmp_buf));
if( setjmp(vm->start) ) {
*exc = vm->vthis;
neko_process_trap(vm);
vm->vthis = old_this;
vm->env = old_env;
memcpy(&vm->start,&oldjmp,sizeof(jmp_buf));
return val_null;
}
neko_setup_trap(vm);
}
if( (uintptr_t)&vm < (uintptr_t)vm->c_stack_max )
val_throw(alloc_string("C Stack Overflow"));
if( val_is_int(f) )
val_throw(alloc_string("Invalid call"));
if( val_tag(f) == VAL_PRIMITIVE ) {
vm->env = ((vfunction *)f)->env;
if( nargs == ((vfunction*)f)->nargs ) {
if( nargs > CALL_MAX_ARGS )
failure("Too many arguments for a call");
switch( nargs ) {
case 0:
ret = ((c_prim0)((vfunction*)f)->addr)();
break;
case 1:
ret = ((c_prim1)((vfunction*)f)->addr)(args[0]);
break;
case 2:
ret = ((c_prim2)((vfunction*)f)->addr)(args[0],args[1]);
break;
case 3:
ret = ((c_prim3)((vfunction*)f)->addr)(args[0],args[1],args[2]);
break;
case 4:
ret = ((c_prim4)((vfunction*)f)->addr)(args[0],args[1],args[2],args[3]);
break;
case 5:
ret = ((c_prim5)((vfunction*)f)->addr)(args[0],args[1],args[2],args[3],args[4]);
break;
}
} else if( ((vfunction*)f)->nargs == -1 )
ret = (value)((c_primN)((vfunction*)f)->addr)(args,nargs);
else
val_throw(alloc_string("Invalid call"));
if( ret == NULL )
val_throw( (value)((vfunction*)f)->module );
} else if( val_short_tag(f) == VAL_FUNCTION ) {
if( nargs == ((vfunction*)f)->nargs ) {
int n;
if( vm->csp + 4 >= vm->sp - nargs && !neko_stack_expand(vm->sp,vm->csp,vm) ) {
if( exc ) {
neko_process_trap(vm);
memcpy(&vm->start,&oldjmp,sizeof(jmp_buf));
}
failure("Stack Overflow");
} else {
for(n=0;n<nargs;n++)
*--vm->sp = (int_val)args[n];
vm->env = ((vfunction*)f)->env;
if( val_tag(f) == VAL_FUNCTION ) {
*++vm->csp = (int_val)callback_return;
*++vm->csp = 0;
*++vm->csp = 0;
*++vm->csp = 0;
ret = neko_interp(vm,((vfunction*)f)->module,(int_val)val_null,(int_val*)((vfunction*)f)->addr);
} else {
neko_module *m = (neko_module*)((vfunction*)f)->module;
ret = ((jit_prim)jit_boot_seq)(vm,((vfunction*)f)->addr,val_null,m);
}
}
}
else
val_throw(alloc_string("Invalid call"));
} else
val_throw(alloc_string("Invalid call"));
if( exc ) {
neko_process_trap(vm);
memcpy(&vm->start,&oldjmp,sizeof(jmp_buf));
}
vm->vthis = old_this;
vm->env = old_env;
return ret;
}
