1 files changed, 37 insertions, 0 deletions
diff --git a/src/tree.h b/src/tree.h
new file mode 100644
index 00000000..849cd5a9
--- /dev/null
+++ b/src/tree.h
@@ -0,0 +1,37 @@
+/*
+** tree.h
+** TecCGraf - PUC-Rio
+** $Id: tree.h,v 1.9 1995/01/12 14:19:04 roberto Exp $
+*/
+
+#ifndef tree_h
+#define tree_h
+
+#include "types.h"
+
+#define NOT_USED  0xFFFE
+
+
+typedef struct TaggedString
+{
+  unsigned long hash;  /* 0 if not initialized */
+  char marked;   /* for garbage collection */
+  char str[1];   /* \0 byte already reserved */
+} TaggedString;
+ 
+typedef struct TreeNode
+{
+ struct TreeNode *right;
+ struct TreeNode *left;
+ unsigned short varindex;  /* != NOT_USED  if this is a symbol */
+ unsigned short constindex;  /* != NOT_USED  if this is a constant */
+ TaggedString ts;
+} TreeNode;
+
+
+TaggedString *lua_createstring (char *str);
+TreeNode *lua_constcreate  (char *str);
+Long lua_strcollector (void);
+TreeNode *lua_varnext      (char *n);
+
+#endif