1 files changed, 10 insertions, 2 deletions
diff --git a/src/ast.h b/src/ast.h
index 9e0e514..42f02ac 100644
--- a/src/ast.h
+++ b/src/ast.h
@@ -16,6 +16,7 @@
  */
 #ifndef AST_H
 #define AST_H
+#include "lexer.h"
 #include "string_view.h"
 #include "vector.h"
 #include <stdint.h>
@@ -140,6 +141,12 @@ typedef struct ast_if_stmt_t
   ast_node_t *body;
 } ast_if_stmt_t;
 
+typedef struct ast_unkown_token_t
+{
+  type_t expected_type;
+  token_t reference_token;
+} ast_unkown_token_t;
+
 typedef enum
 {
   AST_NAMESPACE,
@@ -151,10 +158,10 @@ typedef enum
   AST_LITERAL,
   AST_RETURN_STMT,
   AST_IF_STMT,
-  AST_UNKOWN_NODE,
   AST_VARIABLE_DECLARATION,
   AST_VARIABLE_ASSIGNMENT,
-  AST_VARIABLE
+  AST_VARIABLE,
+  AST_UNKOWN_NODE
 } ast_node_kind_t;
 
 typedef union
@@ -171,6 +178,7 @@ typedef union
   ast_variable_declaration_t variable_declaration;
   ast_variable_assignment_t variable_assignment;
   ast_variable_t variable;
+  ast_unkown_token_t unknown;
 } ast_node_data_t;
 
 typedef struct ast_node_t