mirror of https://github.com/rusefi/lua.git
39 lines
946 B
C
39 lines
946 B
C
/*
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** tree.h
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** TecCGraf - PUC-Rio
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** $Id: tree.h,v 1.18 1997/06/09 17:28:14 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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int tag; /* if != LUA_T_STRING, this is a userdata */
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struct TaggedString *next;
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union {
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struct {
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Word varindex; /* != NOT_USED if this is a symbol */
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Word constindex; /* hint to reuse constant indexes */
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} s;
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void *v; /* if this is a userdata, here is its value */
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} u;
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unsigned long hash; /* 0 if not initialized */
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int marked; /* for garbage collection; never collect (nor change) if > 1 */
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char str[1]; /* \0 byte already reserved */
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} TaggedString;
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TaggedString *luaI_createstring (char *str);
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TaggedString *luaI_createudata (void *udata, int tag);
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TaggedString *luaI_strcollector (long *cont);
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void luaI_strfree (TaggedString *l);
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void luaI_strcallIM (TaggedString *l);
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#endif
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