parsing sexprs

1 files changed, 4 insertions, 1 deletions

diff --git a/ast.h b/ast.h
index f352992..3647a7b 100644
--- a/ast.h
+++ b/ast.h
@@ -5,9 +5,9 @@
 #include <stddef.h>
 
 typedef enum {
-	AST_NOTHING,
 	AST_LIST,
 	AST_NUM,
+	AST_SYMBOL,
 } AstTy;
 
 struct _astnode;
@@ -24,6 +24,7 @@ struct _astnode {
 	union {
 		int num;
 		AstVec list;
+		char *str;
 	} as;
 };
 
@@ -34,7 +35,9 @@ void astnode_append(AstNode *l, AstNode val);
 
 AstNode astnode_new_num(int n);
 AstNode astnode_new_list();
+AstNode astnode_new_symbol(char *s);
 
+void astnode_disp(AstNode *a);