nik/lush
1
1
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

limit of constants per function changed to 2^26 using extra arguments

Browse Source 
to opcodes LOADK, GETGLOBAL, and SETGLOBAL
This commit is contained in:
Roberto Ierusalimschy
2009-09-23 17:33:05 -03:00
parent f8e354e240
commit fcc46467fa
5 changed files with 86 additions and 66 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
lopcodes.h
View File

@@ -1,5 +1,5 @@
/*
** $Id: lopcodes.h,v 1.128 2008/10/30 15:39:30 roberto Exp roberto $
** $Id: lopcodes.h,v 1.129 2009/03/09 15:27:56 roberto Exp roberto $
** Opcodes for Lua virtual machine
** See Copyright Notice in lua.h
*/
@@ -166,15 +166,15 @@ typedef enum {
name args description
------------------------------------------------------------------------*/
OP_MOVE,/* A B R(A) := R(B) */
OP_LOADK,/* A Bx R(A) := Kst(Bx) */
OP_LOADK,/* A Bx R(A) := Kst(Bx - 1) */
OP_LOADBOOL,/* A B C R(A) := (Bool)B; if (C) pc++ */
OP_LOADNIL,/* A B R(A) := ... := R(B) := nil */
OP_GETUPVAL,/* A B R(A) := UpValue[B] */
OP_GETGLOBAL,/* A Bx R(A) := Gbl[Kst(Bx)] */
OP_GETGLOBAL,/* A Bx R(A) := Gbl[Kst(Bx - 1)] */
OP_GETTABLE,/* A B C R(A) := R(B)[RK(C)] */
OP_SETGLOBAL,/* A Bx Gbl[Kst(Bx)] := R(A) */
OP_SETGLOBAL,/* A Bx Gbl[Kst(Bx - 1)] := R(A) */
OP_SETUPVAL,/* A B UpValue[B] := R(A) */
OP_SETTABLE,/* A B C R(A)[RK(B)] := RK(C) */
@@ -221,7 +221,7 @@ OP_VARARG,/* A B R(A), R(A+1), ..., R(A+B-1) = vararg */
OP_TFORLOOP,/* A sBx if R(A+1) ~= nil then { R(A)=R(A+1); pc += sBx }*/
OP_EXTRAARG/* Ax extra argument for previous opcode */
OP_EXTRAARG/* Ax extra (larger) argument for previous opcode */
} OpCode;
@@ -241,7 +241,10 @@ OP_EXTRAARG/* Ax extra argument for previous opcode */
(*) In OP_RETURN, if (B == 0) then return up to `top'.
(*) In OP_SETLIST, if (B == 0) then B = `top'; if (C == 0) then next
`instruction' is EXTRAARG(real C).
'instruction' is EXTRAARG(real C).
(*) In OP_LOADK, OP_GETGLOBAL, and OP_SETGLOBAL, if (Bx == 0) then next
'instruction' is EXTRAARG(real Bx).
(*) For comparisons, A specifies what condition the test should accept
(true or false).