1 files changed, 26 insertions, 0 deletions
diff --git a/src/include/visitor.h b/src/include/visitor.h
new file mode 100644
index 0000000..87f2853
--- /dev/null
+++ b/src/include/visitor.h
@@ -0,0 +1,26 @@
+#ifndef VISITOR_H
+#define VISITOR_H
+#include "./ast.h"
+#include "./hash_table.h"
+#include "./stack.h"
+
+typedef struct {
+  hash_table_t *symbol_table;
+  stack_t *stack_frame;
+  ast_t *root;
+} visitor_t;
+
+void eval_error(visitor_t *v);
+
+visitor_t *init_visitor(ast_t *root);
+
+bool is_self_evaluating(ast_t *e);
+
+ast_t *eval_symbol(visitor_t *v, ast_t *e);
+
+ast_t *eval_list(visitor_t *v, ast_t *e);
+
+ast_t *eval_expr(visitor_t *v, ast_t *e);
+
+ast_t *eval(visitor_t *v);
+#endif