Not working

src/intermediate_code.c

@@ -15,16 +15,17 @@ void S_Free(Stack *s){
     free(s);
 }
 
-void S_Push(Stack * s, void *v) {
+void S_Push(Stack * s, void *v, int i) {
     __Node * n = calloc(1, sizeof(*n));
     n->v = v;
     n->next = s->n;
     s->n = n;
+    s->w = i;
     s->size = s->size + 1;
 }
 
 void * S_Pop(Stack *s) {
-    if (s->size == 0) {
+    if (s == NULL || !S_IsEmpty(s)) {
             return NULL;
     }
     __Node * node = s->n;
@@ -37,20 +38,23 @@ void * S_Pop(Stack *s) {
 
 
 void * S_Peek(Stack *s){
-    if (!S_IsEmpty(s)) {
+    if (s == NULL || !S_IsEmpty(s)) {
             return NULL;
     }
     return s->n->v;
 }
 
 bool S_IsEmpty(Stack *s){
-    if(!s->size) {
+    if(!s) {
             return true;
     }
     return false;
 }
 
 int S_Size(Stack *s){
+    if (s == NULL || !S_IsEmpty(s)) {
+            return 0;
+    }
     return s->size;
 }
 //_______________________________________________________________________
@@ -64,6 +68,15 @@ char * temp = NULL;
         otherwise make it next of current and set cur to your instruction.
        */
 
+void emit_push_all(Stack * s){
+        for (Instruction * i = S_Pop(s); s; i = S_Pop(s)){
+                current->next = i;
+                i->prev = current;
+                current = i;
+                current->next = NULL;
+        }
+}
+
 void emit_detach(){
         current = current->prev;
         current->next = NULL;
@@ -162,6 +175,12 @@ void emit_binary_op(
         current->operand2 = arg2;
  }
 
+void emit_goto(int i){
+        emit_helper();
+        current->opcode = E_GOTO;
+        current->label = i;
+}
+
 void emit_unary_op(Op op, TableNode * result, TNodeOrConst * arg){
         emit_helper();
         current->opcode = op;
@@ -257,8 +276,8 @@ void emit_function_call(
                 ){
         emit_helper();
         current->opcode = E_CALL;
-        current->operand1 = tn_or_const(INTEGER, &param_count);
-        current->operand2 = name;
+        current->operand1 = name;
+        current->operand2 = tn_or_const(INTEGER, &param_count);
         current->result = result;
 }