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new semantics for `generic for' (with state)

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Roberto Ierusalimschy
2002-04-09 16:47:44 -03:00
parent d2e05589d7
commit 7b65328c8e
5 changed files with 35 additions and 31 deletions
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7
lopcodes.h
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@@ -1,5 +1,5 @@
/*
** $Id: lopcodes.h,v 1.92 2002/03/21 20:32:22 roberto Exp roberto $
** $Id: lopcodes.h,v 1.93 2002/03/25 17:47:14 roberto Exp roberto $
** Opcodes for Lua virtual machine
** See Copyright Notice in lua.h
*/
@@ -173,8 +173,9 @@ OP_RETURN,/* A B return R(A), ... ,R(A+B-2) (see (3)) */
OP_FORLOOP,/* A sBc R(A)+=R(A+2); if R(A) <?= R(A+1) then PC+= sBc */
OP_TFORLOOP,/* A C R(A+1), ... ,R(A+C) := R(A)();
if R(A+1) ~= nil then pc++ */
OP_TFORLOOP,/* A C R(A+2), ... ,R(A+2+C) := R(A)(R(A+1), R(A+2));
if R(A+2) ~= nil then pc++ */
OP_TFORPREP,/* A if type(R(A)) == table then R(A+1):=R(A), R(A):=next */
OP_SETLIST,/* A Bc R(A)[Bc-Bc%FPF+i] := R(A+i), 1 <= i <= Bc%FPF+1 */
OP_SETLISTO,/* A Bc */