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lua/lopcodes.h
1999-02-02 15:57:49 -02:00

112 lines
2.7 KiB
C

/*
** $Id: lopcodes.h,v 1.18 1998/06/25 14:37:00 roberto Exp roberto $
** Opcodes for Lua virtual machine
** See Copyright Notice in lua.h
*/
#ifndef lopcodes_h
#define lopcodes_h
#define NUMOFFSET 100
/*
** NOTICE: variants of the same opcode must be consecutive: First, those
** with byte parameter, then with word parameter.
*/
typedef enum {
/* name parm before after side effect
-----------------------------------------------------------------------------*/
ENDCODE,/* - - - */
PUSHNIL,/* b - nil_0...nil_b */
PUSHNUMBER,/* b - (float)(b-NUMOFFSET) */
PUSHNUMBERW,/* w - (float)(w-NUMOFFSET) */
PUSHCONSTANT,/* b - CNST[b] */
PUSHCONSTANTW,/*w - CNST[w] */
PUSHUPVALUE,/* b - Closure[b] */
PUSHLOCAL,/* b - LOC[b] */
GETGLOBAL,/* b - VAR[CNST[b]] */
GETGLOBALW,/* w - VAR[CNST[w]] */
GETTABLE,/* - i t t[i] */
GETDOTTED,/* b t t[CNST[b]] */
GETDOTTEDW,/* w t t[CNST[w]] */
PUSHSELF,/* b t t t[CNST[b]] */
PUSHSELFW,/* w t t t[CNST[w]] */
CREATEARRAY,/* b - newarray(size = b) */
CREATEARRAYW,/* w - newarray(size = w) */
SETLOCAL,/* b x - LOC[b]=x */
SETGLOBAL,/* b x - VAR[CNST[b]]=x */
SETGLOBALW,/* w x - VAR[CNST[w]]=x */
SETTABLE0,/* - v i t - t[i]=v */
SETTABLE,/* b v a_b...a_1 i t a_b...a_1 i t t[i]=v */
SETLIST,/* b c v_c...v_1 t - t[i+b*FPF]=v_i */
SETLISTW,/* w c v_c...v_1 t - t[i+w*FPF]=v_i */
SETMAP,/* b v_b k_b ...v_0 k_0 t t t[k_i]=v_i */
EQOP,/* - y x (x==y)? 1 : nil */
NEQOP,/* - y x (x~=y)? 1 : nil */
LTOP,/* - y x (x<y)? 1 : nil */
LEOP,/* - y x (x<y)? 1 : nil */
GTOP,/* - y x (x>y)? 1 : nil */
GEOP,/* - y x (x>=y)? 1 : nil */
ADDOP,/* - y x x+y */
SUBOP,/* - y x x-y */
MULTOP,/* - y x x*y */
DIVOP,/* - y x x/y */
POWOP,/* - y x x^y */
CONCOP,/* - y x x..y */
MINUSOP,/* - x -x */
NOTOP,/* - x (x==nil)? 1 : nil */
ONTJMP,/* b x (x!=nil)? x : - (x!=nil)? PC+=b */
ONTJMPW,/* w x (x!=nil)? x : - (x!=nil)? PC+=w */
ONFJMP,/* b x (x==nil)? x : - (x==nil)? PC+=b */
ONFJMPW,/* w x (x==nil)? x : - (x==nil)? PC+=w */
JMP,/* b - - PC+=b */
JMPW,/* w - - PC+=w */
IFFJMP,/* b x - (x==nil)? PC+=b */
IFFJMPW,/* w x - (x==nil)? PC+=w */
IFTUPJMP,/* b x - (x!=nil)? PC-=b */
IFTUPJMPW,/* w x - (x!=nil)? PC-=w */
IFFUPJMP,/* b x - (x==nil)? PC-=b */
IFFUPJMPW,/* w x - (x==nil)? PC-=w */
CLOSURE,/* b c v_c...v_1 closure(CNST[b], v_c...v_1) */
CALLFUNC,/* b c v_c...v_1 f r_b...r_1 f(v1,...,v_c) */
RETCODE,/* b - - */
SETLINE,/* b - - LINE=b */
SETLINEW,/* w - - LINE=w */
POP /* b - - TOP-=(b+1) */
} OpCode;
#define RFIELDS_PER_FLUSH 32 /* records (SETMAP) */
#define LFIELDS_PER_FLUSH 64 /* lists (SETLIST) */
#define ZEROVARARG 64
#endif