mirror of
https://github.com/lua/lua
synced 2024-11-28 23:53:16 +03:00
37 lines
723 B
C
37 lines
723 B
C
/*
|
|
** tree.h
|
|
** TecCGraf - PUC-Rio
|
|
** $Id: tree.h,v 1.4 1994/11/17 13:58:57 roberto Exp roberto $
|
|
*/
|
|
|
|
#ifndef tree_h
|
|
#define tree_h
|
|
|
|
#include "opcode.h"
|
|
|
|
|
|
#define UNMARKED_STRING 0xFFFF
|
|
#define MARKED_STRING 0xFFFE
|
|
#define MAX_WORD 0xFFFD
|
|
|
|
|
|
typedef struct TreeNode
|
|
{
|
|
struct TreeNode *right;
|
|
struct TreeNode *left;
|
|
Word varindex; /* if this is a symbol */
|
|
Word constindex; /* if this is a constant; also used for garbage collection */
|
|
char str[1]; /* \0 byte already reserved */
|
|
} TreeNode;
|
|
|
|
|
|
#define indexstring(s) (*(((Word *)s)-1))
|
|
|
|
|
|
char *lua_createstring (char *str);
|
|
TreeNode *lua_constcreate (char *str);
|
|
int lua_strcollector (void);
|
|
TreeNode *lua_varnext (char *n);
|
|
|
|
#endif
|