Mercurial > vba-clojure
view src/lua/lparser.h @ 504:81e43f0350db
resolved conflict.
author | Robert McIntyre <rlm@mit.edu> |
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date | Mon, 18 Jun 2012 18:56:49 -0500 |
parents | 27763b933818 |
children |
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1 /*2 ** $Id: lparser.h,v 1.57.1.1 2007/12/27 13:02:25 roberto Exp $3 ** Lua Parser4 ** See Copyright Notice in lua.h5 */7 #ifndef lparser_h8 #define lparser_h10 #include "llimits.h"11 #include "lobject.h"12 #include "lzio.h"15 /*16 ** Expression descriptor17 */19 typedef enum {20 VVOID, /* no value */21 VNIL,22 VTRUE,23 VFALSE,24 VK, /* info = index of constant in `k' */25 VKNUM, /* nval = numerical value */26 VLOCAL, /* info = local register */27 VUPVAL, /* info = index of upvalue in `upvalues' */28 VGLOBAL, /* info = index of table; aux = index of global name in `k' */29 VINDEXED, /* info = table register; aux = index register (or `k') */30 VJMP, /* info = instruction pc */31 VRELOCABLE, /* info = instruction pc */32 VNONRELOC, /* info = result register */33 VCALL, /* info = instruction pc */34 VVARARG /* info = instruction pc */35 } expkind;37 typedef struct expdesc {38 expkind k;39 union {40 struct { int info, aux; } s;41 lua_Number nval;42 } u;43 int t; /* patch list of `exit when true' */44 int f; /* patch list of `exit when false' */45 } expdesc;48 typedef struct upvaldesc {49 lu_byte k;50 lu_byte info;51 } upvaldesc;54 struct BlockCnt; /* defined in lparser.c */57 /* state needed to generate code for a given function */58 typedef struct FuncState {59 Proto *f; /* current function header */60 Table *h; /* table to find (and reuse) elements in `k' */61 struct FuncState *prev; /* enclosing function */62 struct LexState *ls; /* lexical state */63 struct lua_State *L; /* copy of the Lua state */64 struct BlockCnt *bl; /* chain of current blocks */65 int pc; /* next position to code (equivalent to `ncode') */66 int lasttarget; /* `pc' of last `jump target' */67 int jpc; /* list of pending jumps to `pc' */68 int freereg; /* first free register */69 int nk; /* number of elements in `k' */70 int np; /* number of elements in `p' */71 short nlocvars; /* number of elements in `locvars' */72 lu_byte nactvar; /* number of active local variables */73 upvaldesc upvalues[LUAI_MAXUPVALUES]; /* upvalues */74 unsigned short actvar[LUAI_MAXVARS]; /* declared-variable stack */75 } FuncState;78 LUAI_FUNC Proto *luaY_parser (lua_State *L, ZIO *z, Mbuffer *buff,79 const char *name);82 #endif