mirror of
https://github.com/lua/lua
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38 lines
775 B
C
38 lines
775 B
C
/*
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** tree.h
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** TecCGraf - PUC-Rio
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** $Id: tree.h,v 1.8 1994/12/20 21:20:36 roberto Exp roberto $
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*/
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#ifndef tree_h
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#define tree_h
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#include "types.h"
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#define NOT_USED 0xFFFE
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typedef struct TaggedString
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{
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unsigned long hash; /* 0 if not initialized */
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char marked; /* for garbage collection */
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char str[1]; /* \0 byte already reserved */
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} TaggedString;
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typedef struct TreeNode
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{
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struct TreeNode *right;
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struct TreeNode *left;
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unsigned short varindex; /* != NOT_USED if this is a symbol */
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unsigned short constindex; /* != NOT_USED if this is a constant */
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TaggedString ts;
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} TreeNode;
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TaggedString *lua_createstring (char *str);
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TreeNode *lua_constcreate (char *str);
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Long lua_strcollector (void);
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TreeNode *lua_varnext (char *n);
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#endif
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