codegen global array variables

codegen.c

@@ -544,8 +544,25 @@ void codegen_generate_global_variable_for_union(struct node *node) {
            asm_keyword_for_size(variable_size(node), tmp_buf));
 }
 
+void codegen_generate_variable_for_array(struct node *node) {
+  if (node->var.val != NULL) {
+    compiler_error(current_process, "Arrays with values not supported");
+  }
+
+  char tmp_buf[256];
+  asm_push("%s: %s 0", node->var.name,
+           asm_keyword_for_size(variable_size(node), tmp_buf));
+}
+
 void codegen_generate_global_variable(struct node *node) {
   asm_push("; %s %s", node->var.type.type_str, node->var.name);
+
+  if (node->var.type.flags & DATATYPE_FLAG_IS_ARRAY) {
+    codegen_generate_variable_for_array(node);
+    codegen_new_scope_entity(node, 0, 0);
+    return;
+  }
+
   switch (node->var.type.type) {
   case DATA_TYPE_VOID:
   case DATA_TYPE_CHAR:
@@ -568,6 +585,9 @@ void codegen_generate_global_variable(struct node *node) {
     compiler_error(current_process, "Unsupported data type");
     break;
   }
+
+  assert(node->type == NODE_TYPE_VARIABLE);
+  codegen_new_scope_entity(node, 0, 0);
 }
 
 void codegen_generate_struct(struct node *node) {

test.c

@@ -1,11 +1,6 @@
-union abc {
-  int x;
-  int y;
-};
-
-union abc a;
+int array[10];
 
 int main() {
-  a.x = 20;
-  return a.y;
+  array[0] = 1;
+  array[1] = 2;
 }