1 files changed, 26 insertions, 0 deletions
diff --git a/src/types.h b/src/types.h
new file mode 100644
index 0000000..5f6f45a
--- /dev/null
+++ b/src/types.h
@@ -0,0 +1,26 @@
+#pragma once
+
+#include "common.h"
+#include <stdio.h>
+
+typedef enum {
+    TYPE_NONE,
+    TYPE_INT,
+    TYPE_PTR,
+} DataType;
+
+typedef struct data_type_node {
+    DataType type;
+    struct data_type_node *ptr;
+} Type;
+
+Type *type_new(DataType type);
+i64 size_for_type(Type *type);
+bool type_equals(Type *a, Type *b);
+char *type_to_str(Type *type);
+
+// Type checking / casting expressions to right types
+typedef struct ast_node Node;
+
+Node *handle_unary_expr_types(Node *, Token *);
+Node *handle_binary_expr_types(Node *, Token *);
+\ No newline at end of file