AST idea

generated.c

@@ -0,0 +1,49 @@
+function void decl_dll_list_push(Decl*l,Decl*node){
+if (l->list_decl.first==0){
+l->list_decl.first=l->list_decl.last=node;
+node->prev=0;
+node->next=0;
+}
+else {
+l->list_decl.last->next=node;
+node->prev=l->list_decl.last;
+node->next=0;
+l->list_decl.last=node;
+}
+node->parent=l;
+}
+function void decl_dll_list_push_front(Decl*l,Decl*node){
+if (l->list_decl.first==0){
+l->list_decl.first=l->list_decl.last=node;
+node->prev=0;
+node->next=0;
+}
+else {
+node->next=l->list_decl.first;
+l->list_decl.first->prev=node;
+node->prev=0;
+l->list_decl.first=node;
+}
+node->parent=l;
+}
+function void decl_list_remove(Decl*l,Decl*node){
+if (l->list_decl.first==l->list_decl.last){
+assert(node==l->list_decl.last);
+l->list_decl.first=l->list_decl.last=0;
+}
+else if (l->list_decl.last==node){
+l->list_decl.last=l->list_decl.last->prev;
+l->list_decl.last->next=0;
+}
+else if (l->list_decl.first==node){
+l->list_decl.first=l->list_decl.first->next;
+l->list_decl.first->prev=0;
+}
+else {
+node->prev->next=node->next;
+node->next->prev=node->prev;
+}
+node->parent=0;
+node->prev=0;
+node->next=0;
+}