text: /*
  ** $Id: lcode.h,v 1.48.1.1 2007/12/27 13:02:25 roberto Exp $
  ** Code generator for Lua
  ** See Copyright Notice in lua.h
  */
  
  #ifndef lcode_h
  #define lcode_h
  
  #include "llex.h"
  #include "lobject.h"
  #include "lopcodes.h"
  #include "lparser.h"
  
  
  /*
  ** Marks the end of a patch list. It is an invalid value both as an absolute
  ** address, and as a list link (would link an element to itself).
  */
  #define NO_JUMP (-1)
  
  
  /*
  ** grep "ORDER OPR" if you change these enums
  */
  typedef enum BinOpr {
    OPR_ADD, OPR_SUB, OPR_MUL, OPR_DIV, OPR_MOD, OPR_POW,
    OPR_BOR, OPR_BAND, OPR_BXOR, OPR_BLSHFT, OPR_BURSHFT, OPR_BRSHFT, OPR_INTDIV,
    OPR_CONCAT,
    OPR_NE, OPR_EQ,
    OPR_LT, OPR_LE, OPR_GT, OPR_GE,
    OPR_AND, OPR_OR,
    OPR_NOBINOPR
  } BinOpr;
  
  
  typedef enum UnOpr { OPR_BNOT, OPR_MINUS, OPR_NOT, OPR_LEN, OPR_NOUNOPR } UnOpr;
  
  #define getcode(fs,e)	((fs)->f->code[(e)->u.s.info])
  
  #define luaK_codeAsBx(fs,o,A,sBx)	luaK_codeABx(fs,o,A,(sBx)+MAXARG_sBx)
  
  #define luaK_setmultret(fs,e)	luaK_setreturns(fs, e, LUA_MULTRET)
  
  LUAI_FUNC int luaK_codeABx (FuncState *fs, OpCode o, int A, unsigned int Bx);
  LUAI_FUNC int luaK_codeABC (FuncState *fs, OpCode o, int A, int B, int C);
  LUAI_FUNC void luaK_fixline (FuncState *fs, int line);
  LUAI_FUNC void luaK_nil (FuncState *fs, int from, int n);
  LUAI_FUNC void luaK_reserveregs (FuncState *fs, int n);
  LUAI_FUNC void luaK_checkstack (FuncState *fs, int n);
  LUAI_FUNC int luaK_stringK (FuncState *fs, TString *s);
  LUAI_FUNC int luaK_numberK (FuncState *fs, lua_Number r);
  LUAI_FUNC void luaK_dischargevars (FuncState *fs, expdesc *e);
  LUAI_FUNC int luaK_exp2anyreg (FuncState *fs, expdesc *e);
  LUAI_FUNC void luaK_exp2nextreg (FuncState *fs, expdesc *e);
  LUAI_FUNC void luaK_exp2val (FuncState *fs, expdesc *e);
  LUAI_FUNC int luaK_exp2RK (FuncState *fs, expdesc *e);
  LUAI_FUNC void luaK_self (FuncState *fs, expdesc *e, expdesc *key);
  LUAI_FUNC void luaK_indexed (FuncState *fs, expdesc *t, expdesc *k);
  LUAI_FUNC void luaK_goiftrue (FuncState *fs, expdesc *e);
  LUAI_FUNC void luaK_storevar (FuncState *fs, expdesc *var, expdesc *e);
  LUAI_FUNC void luaK_setreturns (FuncState *fs, expdesc *e, int nresults);
  LUAI_FUNC void luaK_setoneret (FuncState *fs, expdesc *e);
  LUAI_FUNC int luaK_jump (FuncState *fs);
  LUAI_FUNC void luaK_ret (FuncState *fs, int first, int nret);
  LUAI_FUNC void luaK_patchlist (FuncState *fs, int list, int target);
  LUAI_FUNC void luaK_patchtohere (FuncState *fs, int list);
  LUAI_FUNC void luaK_concat (FuncState *fs, int *l1, int l2);
  LUAI_FUNC int luaK_getlabel (FuncState *fs);
  LUAI_FUNC void luaK_prefix (FuncState *fs, UnOpr op, expdesc *v);
  LUAI_FUNC void luaK_infix (FuncState *fs, BinOpr op, expdesc *v);
  LUAI_FUNC void luaK_posfix (FuncState *fs, BinOpr op, expdesc *v1, expdesc *v2);
  LUAI_FUNC void luaK_setlist (FuncState *fs, int base, int nelems, int tostore);
  
  
  #endif
  