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https://github.com/lua/lua
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37 lines
723 B
C
37 lines
723 B
C
/*
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** tree.h
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** TecCGraf - PUC-Rio
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** $Id: tree.h,v 1.4 1994/11/17 13:58:57 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 "opcode.h"
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#define UNMARKED_STRING 0xFFFF
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#define MARKED_STRING 0xFFFE
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#define MAX_WORD 0xFFFD
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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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Word varindex; /* if this is a symbol */
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Word constindex; /* if this is a constant; also used for garbage collection */
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char str[1]; /* \0 byte already reserved */
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} TreeNode;
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#define indexstring(s) (*(((Word *)s)-1))
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char *lua_createstring (char *str);
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TreeNode *lua_constcreate (char *str);
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int lua_strcollector (void);
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TreeNode *lua_varnext (char *n);
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#endif
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