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first version of _ENV; no more global variables

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This commit is contained in:
Roberto Ierusalimschy
2010-03-12 16:14:06 -03:00
parent f292760f12
commit 25c557ec63
12 changed files with 52 additions and 124 deletions
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7
lopcodes.h
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@@ -1,5 +1,5 @@
/*
** $Id: lopcodes.h,v 1.133 2009/11/19 19:06:52 roberto Exp roberto $
** $Id: lopcodes.h,v 1.134 2010/02/26 20:40:29 roberto Exp roberto $
** Opcodes for Lua virtual machine
** See Copyright Notice in lua.h
*/
@@ -171,11 +171,9 @@ 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 - 1)] */
OP_GETTABUP,/* A B C R(A) := UpValue[B][RK(C)] */
OP_GETTABLE,/* A B C R(A) := R(B)[RK(C)] */
OP_SETGLOBAL,/* A Bx Gbl[Kst(Bx - 1)] := R(A) */
OP_SETTABUP,/* A B C UpValue[A][RK(B)] := RK(C) */
OP_SETUPVAL,/* A B UpValue[B] := R(A) */
OP_SETTABLE,/* A B C R(A)[RK(B)] := RK(C) */
@@ -245,8 +243,7 @@ OP_EXTRAARG/* Ax extra (larger) argument for previous opcode */
(*) In OP_SETLIST, if (B == 0) then B = `top'; if (C == 0) then next
'instruction' is EXTRAARG(real C).
(*) In OP_LOADK, OP_GETGLOBAL, and OP_SETGLOBAL, if (Bx == 0) then next
'instruction' is EXTRAARG(real Bx).
(*) In OP_LOADK, if (Bx == 0) then next 'instruction' is EXTRAARG(real Bx).
(*) For comparisons, A specifies what condition the test should accept
(true or false).