mirror of
https://github.com/lua/lua
synced 2024-12-28 21:29:44 +03:00
140 lines
3.4 KiB
C
140 lines
3.4 KiB
C
/*
|
|
** $Id: lopcodes.h,v 1.35 1999/12/27 17:33:22 roberto Exp roberto $
|
|
** Opcodes for Lua virtual machine
|
|
** See Copyright Notice in lua.h
|
|
*/
|
|
|
|
#ifndef lopcodes_h
|
|
#define lopcodes_h
|
|
|
|
|
|
/*
|
|
** NOTICE: variants of the same opcode must be consecutive: First, those
|
|
** with word parameter, then with byte parameter.
|
|
*/
|
|
|
|
|
|
typedef enum {
|
|
/* name parm before after side effect
|
|
-----------------------------------------------------------------------------*/
|
|
ENDCODE,/* - - (return) */
|
|
RETCODE,/* b - (return) */
|
|
|
|
CALL,/* b c v_n-v_1 f(at c) r_b-r_1 f(v1,...,v_n) */
|
|
|
|
TAILCALL,/* b c v_c-v_1 f (return) f(v1,...,v_c) */
|
|
|
|
PUSHNIL,/* b - nil_0-nil_b */
|
|
POP,/* b a_b-a_1 - */
|
|
|
|
PUSHNUMBERW,/* w - (float)w */
|
|
PUSHNUMBER,/* b - (float)b */
|
|
|
|
PUSHNUMBERNEGW,/* w - (float)-w */
|
|
PUSHNUMBERNEG,/* b - (float)-b */
|
|
|
|
PUSHCONSTANTW,/*w - CNST[w] */
|
|
PUSHCONSTANT,/* b - CNST[b] */
|
|
|
|
PUSHUPVALUE,/* b - Closure[b] */
|
|
|
|
PUSHLOCAL,/* b - LOC[b] */
|
|
|
|
GETGLOBALW,/* w - VAR[CNST[w]] */
|
|
GETGLOBAL,/* b - VAR[CNST[b]] */
|
|
|
|
GETTABLE,/* - i t t[i] */
|
|
|
|
GETDOTTEDW,/* w t t[CNST[w]] */
|
|
GETDOTTED,/* b t t[CNST[b]] */
|
|
|
|
PUSHSELFW,/* w t t t[CNST[w]] */
|
|
PUSHSELF,/* b t t t[CNST[b]] */
|
|
|
|
CREATEARRAYW,/* w - newarray(size = w) */
|
|
CREATEARRAY,/* b - newarray(size = b) */
|
|
|
|
SETLOCAL,/* b x - LOC[b]=x */
|
|
|
|
SETGLOBALW,/* w x - VAR[CNST[w]]=x */
|
|
SETGLOBAL,/* b x - VAR[CNST[b]]=x */
|
|
|
|
SETTABLEPOP,/* - v i t - t[i]=v */
|
|
|
|
SETTABLE,/* b v a_b-a_1 i t a_b-a_1 i t t[i]=v */
|
|
|
|
SETLISTW,/* w c v_c-v_1 t t t[i+w*FPF]=v_i */
|
|
SETLIST,/* b c v_c-v_1 t t t[i+b*FPF]=v_i */
|
|
|
|
SETMAP,/* b v_b k_b - v_0 k_0 t t t[k_i]=v_i */
|
|
|
|
NEQOP,/* - y x (x~=y)? 1 : nil */
|
|
EQOP,/* - 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 */
|
|
|
|
ONTJMPW,/* w x (x!=nil)? x : - (x!=nil)? PC+=w */
|
|
ONTJMP,/* b x (x!=nil)? x : - (x!=nil)? PC+=b */
|
|
ONFJMPW,/* w x (x==nil)? x : - (x==nil)? PC+=w */
|
|
ONFJMP,/* b x (x==nil)? x : - (x==nil)? PC+=b */
|
|
JMPW,/* w - - PC+=w */
|
|
JMP,/* b - - PC+=b */
|
|
IFFJMPW,/* w x - (x==nil)? PC+=w */
|
|
IFFJMP,/* b x - (x==nil)? PC+=b */
|
|
IFTUPJMPW,/* w x - (x!=nil)? PC-=w */
|
|
IFTUPJMP,/* b x - (x!=nil)? PC-=b */
|
|
IFFUPJMPW,/* w x - (x==nil)? PC-=w */
|
|
IFFUPJMP,/* b x - (x==nil)? PC-=b */
|
|
|
|
CLOSUREW,/* w c v_c-v_1 closure(CNST[w], v_c-v_1) */
|
|
CLOSURE,/* b c v_c-v_1 closure(CNST[b], v_c-v_1) */
|
|
|
|
SETLINEW,/* w - - LINE=w */
|
|
SETLINE,/* b - - LINE=b */
|
|
|
|
SETNAMEW,/* w c - - NAME=CNST[w],c */
|
|
SETNAME,/* b c - - NAME=CNST[b],c */
|
|
|
|
LONGARGW,/* w (add w*(1<<16) to arg of next instruction) */
|
|
LONGARG /* b (add b*(1<<16) to arg of next instruction) */
|
|
|
|
} OpCode;
|
|
|
|
|
|
#define RFIELDS_PER_FLUSH 32 /* records (SETMAP) */
|
|
#define LFIELDS_PER_FLUSH 64 /* FPF - lists (SETLIST) */
|
|
|
|
#define ZEROVARARG 128
|
|
|
|
|
|
/* maximum value of an arg of 3 bytes; must fit in an "int" */
|
|
#if MAX_INT < (1<<24)
|
|
#define MAX_ARG MAX_INT
|
|
#else
|
|
#define MAX_ARG ((1<<24)-1)
|
|
#endif
|
|
|
|
/* maximum value of a word of 2 bytes; cannot be larger than MAX_ARG */
|
|
#if MAX_ARG < (1<<16)
|
|
#define MAX_WORD MAX_ARG
|
|
#else
|
|
#define MAX_WORD ((1<<16)-1)
|
|
#endif
|
|
|
|
|
|
/* maximum value of a byte */
|
|
#define MAX_BYTE ((1<<8)-1)
|
|
|
|
|
|
#endif
|