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'getcode' -> 'getinstruction'

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This commit is contained in:
Roberto Ierusalimschy 2016-01-05 14:22:37 -02:00
parent 1a44e82200
commit 1f259be52a
3 changed files with 22 additions and 18 deletions
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27
lcode.c
View File

@ -1,5 +1,5 @@
/*
** $Id: lcode.c,v 2.106 2015/12/18 13:53:36 roberto Exp roberto $
** $Id: lcode.c,v 2.107 2016/01/04 13:40:57 roberto Exp roberto $
** Code generator for Lua
** See Copyright Notice in lua.h
*/
@ -514,11 +514,12 @@ static int nilK (FuncState *fs) {
*/
void luaK_setreturns (FuncState *fs, expdesc *e, int nresults) {
if (e->k == VCALL) { /* expression is an open function call? */
SETARG_C(getcode(fs, e), nresults+1);
SETARG_C(getinstruction(fs, e), nresults + 1);
}
else if (e->k == VVARARG) {
SETARG_B(getcode(fs, e), nresults+1);
SETARG_A(getcode(fs, e), fs->freereg);
Instruction *pc = &getinstruction(fs, e);
SETARG_B(*pc, nresults + 1);
SETARG_A(*pc, fs->freereg);
luaK_reserveregs(fs, 1);
}
else lua_assert(nresults == LUA_MULTRET);
@ -537,12 +538,13 @@ void luaK_setreturns (FuncState *fs, expdesc *e, int nresults) {
*/
void luaK_setoneret (FuncState *fs, expdesc *e) {
if (e->k == VCALL) { /* expression is an open function call? */
lua_assert(GETARG_C(getcode(fs, e)) == 2); /* already returns 1 value */
/* already returns 1 value */
lua_assert(GETARG_C(getinstruction(fs, e)) == 2);
e->k = VNONRELOC; /* result has fixed position */
e->u.info = GETARG_A(getcode(fs, e));
e->u.info = GETARG_A(getinstruction(fs, e));
}
else if (e->k == VVARARG) {
SETARG_B(getcode(fs, e), 2);
SETARG_B(getinstruction(fs, e), 2);
e->k = VRELOCABLE; /* can relocate its simple result */
}
}
@ -614,7 +616,7 @@ static void discharge2reg (FuncState *fs, expdesc *e, int reg) {
break;
}
case VRELOCABLE: {
Instruction *pc = &getcode(fs, e);
Instruction *pc = &getinstruction(fs, e);
SETARG_A(*pc, reg); /* instruction will put result in 'reg' */
break;
}
@ -836,7 +838,7 @@ static void negatecondition (FuncState *fs, expdesc *e) {
*/
static int jumponcond (FuncState *fs, expdesc *e, int cond) {
if (e->k == VRELOCABLE) {
Instruction ie = getcode(fs, e);
Instruction ie = getinstruction(fs, e);
if (GET_OPCODE(ie) == OP_NOT) {
fs->pc--; /* remove previous OP_NOT */
return condjump(fs, OP_TEST, GETARG_B(ie), 0, !cond);
@ -1134,10 +1136,11 @@ void luaK_posfix (FuncState *fs, BinOpr op,
}
case OPR_CONCAT: {
luaK_exp2val(fs, e2);
if (e2->k == VRELOCABLE && GET_OPCODE(getcode(fs, e2)) == OP_CONCAT) {
lua_assert(e1->u.info == GETARG_B(getcode(fs, e2))-1);
if (e2->k == VRELOCABLE &&
GET_OPCODE(getinstruction(fs, e2)) == OP_CONCAT) {
lua_assert(e1->u.info == GETARG_B(getinstruction(fs, e2))-1);
freeexp(fs, e1);
SETARG_B(getcode(fs, e2), e1->u.info);
SETARG_B(getinstruction(fs, e2), e1->u.info);
e1->k = VRELOCABLE; e1->u.info = e2->u.info;
}
else {

5
lcode.h
View File

@ -1,5 +1,5 @@
/*
** $Id: lcode.h,v 1.62 2013/12/18 14:12:03 roberto Exp roberto $
** $Id: lcode.h,v 1.63 2013/12/30 20:47:58 roberto Exp roberto $
** Code generator for Lua
** See Copyright Notice in lua.h
*/
@ -40,7 +40,8 @@ typedef enum BinOpr {
typedef enum UnOpr { OPR_MINUS, OPR_BNOT, OPR_NOT, OPR_LEN, OPR_NOUNOPR } UnOpr;
#define getcode(fs,e) ((fs)->f->code[(e)->u.info])
/* get (pointer to) instruction of given 'expdesc' */
#define getinstruction(fs,e) ((fs)->f->code[(e)->u.info])
#define luaK_codeAsBx(fs,o,A,sBx) luaK_codeABx(fs,o,A,(sBx)+MAXARG_sBx)

8
lparser.c
View File

@ -1,5 +1,5 @@
/*
** $Id: lparser.c,v 2.149 2015/11/02 16:09:30 roberto Exp roberto $
** $Id: lparser.c,v 2.150 2015/12/09 15:21:28 roberto Exp roberto $
** Lua Parser
** See Copyright Notice in lua.h
*/
@ -1498,7 +1498,7 @@ static void exprstat (LexState *ls) {
}
else { /* stat -> func */
check_condition(ls, v.v.k == VCALL, "syntax error");
SETARG_C(getcode(fs, &v.v), 1); /* call statement uses no results */
SETARG_C(getinstruction(fs, &v.v), 1); /* call statement uses no results */
}
}
@ -1515,8 +1515,8 @@ static void retstat (LexState *ls) {
if (hasmultret(e.k)) {
luaK_setmultret(fs, &e);
if (e.k == VCALL && nret == 1) { /* tail call? */
SET_OPCODE(getcode(fs,&e), OP_TAILCALL);
lua_assert(GETARG_A(getcode(fs,&e)) == fs->nactvar);
SET_OPCODE(getinstruction(fs,&e), OP_TAILCALL);
lua_assert(GETARG_A(getinstruction(fs,&e)) == fs->nactvar);
}
first = fs->nactvar;
nret = LUA_MULTRET; /* return all values */