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Fixed problem with the IN operator

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This commit is contained in:
ceriel 1993-11-19 09:53:47 +00:00
parent 618041f3ff
commit 75afbd450b
4 changed files with 62 additions and 29 deletions
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4
lang/m2/comp/casestat.C
View file

@ -201,7 +201,7 @@ CaseCode(nd, exitlabel, end_reached)
rval |= LblWalkNode((label) pnode->nd_LEFT->nd_lab,
pnode->nd_LEFT->nd_RIGHT,
exitlabel, end_reached);
C_bra(sh->sh_break);
c_bra(sh->sh_break);
}
}
else {
@ -313,7 +313,7 @@ AddOneCase(sh, lnode, rnode, lbl)
C_zgt(cont);
}
C_asp(int_size);
C_bra(lbl);
c_bra(lbl);
C_df_ilb(cont);
ce->ce_label = 0;
}

68
lang/m2/comp/code.c
View file

@ -164,7 +164,7 @@ CodeExpr(nd, ds, true_label, false_label)
*/
CodeValue(ds, tp);
C_zne(true_label);
C_bra(false_label);
c_bra(false_label);
}
}
@ -911,7 +911,7 @@ CodeOper(expr, true_label, false_label)
}
if (true_label != NO_LABEL) {
compare(expr->nd_symb, true_label);
C_bra(false_label);
c_bra(false_label);
break;
}
truthvalue(expr->nd_symb);
@ -923,30 +923,56 @@ CodeOper(expr, true_label, false_label)
INN instruction expects the bit number on top of the
stack
*/
label l_toolarge = NO_LABEL;
label l_toolarge = NO_LABEL, l_cont = NO_LABEL;
t_type *ltp = leftop->nd_type;
CodePExpr(rightop);
CodePExpr(leftop);
C_loc(rightop->nd_type->set_low);
C_sbu(word_size);
if (needs_rangecheck(ElementType(rightop->nd_type), leftop->nd_type)) {
l_toolarge = ++text_label;
C_dup(word_size);
C_loc(rightop->nd_type->tp_size*8);
C_cmu(word_size);
C_zge(l_toolarge);
if (leftop->nd_symb == COERCION) {
/* Could be coercion to word_type. */
ltp = leftop->nd_RIGHT->nd_type;
}
if (leftop->nd_class == Value) {
if (! in_range(leftop->nd_INT, ElementType(rightop->nd_type))) {
if (true_label != NO_LABEL) {
c_bra(false_label);
}
else c_loc(0);
break;
}
CodePExpr(rightop);
C_loc(rightop->nd_type->set_low-leftop->nd_INT);
}
else {
CodePExpr(rightop);
CodePExpr(leftop);
C_loc(rightop->nd_type->set_low);
C_sbu(word_size);
if (needs_rangecheck(ElementType(rightop->nd_type), ltp)) {
l_toolarge = ++text_label;
C_dup(word_size);
C_loc(rightop->nd_type->tp_size*8);
C_cmu(word_size);
C_zge(l_toolarge);
}
}
C_inn(rightop->nd_type->tp_size);
if (true_label != NO_LABEL) {
C_zne(true_label);
C_bra(false_label);
c_bra(false_label);
}
else {
l_cont = ++text_label;
c_bra(l_cont);
}
if (l_toolarge != NO_LABEL) {
def_ilb(l_toolarge);
C_asp(word_size+rightop->nd_type->tp_size);
if (true_label != NO_LABEL) {
C_bra(false_label);
c_bra(false_label);
}
c_loc(0);
else c_loc(0);
}
if (l_cont != NO_LABEL) {
def_ilb(l_cont);
}
break;
}
@ -973,7 +999,7 @@ CodeOper(expr, true_label, false_label)
if (l_end != NO_LABEL) {
def_ilb(true_label);
c_loc(1);
C_bra(l_end);
c_bra(l_end);
def_ilb(false_label);
c_loc(0);
def_ilb(l_end);
@ -1107,7 +1133,7 @@ CodeEl(nd, tp, null_set)
if (eltype->tp_fund == T_SUBRANGE) {
C_loc(eltype->sub_ub);
}
else C_loc((arith) (eltype->enm_ncst - 1));
else C_loc(eltype->enm_ncst - 1);
Operands(nd);
CAL("LtoUset", 5 * (int) word_size);
/* library routine to fill set */
@ -1201,6 +1227,12 @@ DoHIGH(df)
}
#ifdef SQUEEZE
c_bra(l)
label l;
{
C_bra((label) l);
}
c_loc(n)
{
C_loc((arith) n);

18
lang/m2/comp/walk.c
View file

@ -384,7 +384,7 @@ WalkProcedure(procedure)
#else
cd_init = ++text_label;
cd_body = ++text_label;
C_bra(cd_init);
c_bra(cd_init);
def_ilb(cd_body);
#endif
@ -399,7 +399,7 @@ WalkProcedure(procedure)
C_asp(-func_res_size);
}
#ifndef USE_INSERT
C_bra(RETURN_LABEL);
c_bra(RETURN_LABEL);
#endif
}
@ -458,7 +458,7 @@ WalkProcedure(procedure)
#ifdef USE_INSERT
C_endpart(partno);
#else
C_bra(cd_body);
c_bra(cd_body);
#endif
DO_DEBUG(options['X'], PrNode(procedure->prc_body, 0));
def_ilb(RETURN_LABEL); /* label at end */
@ -660,7 +660,7 @@ WalkStat(nd, exit_label, end_reached)
if (right->nd_RIGHT) { /* ELSE part */
label l2 = ++text_label;
C_bra(l2);
c_bra(l2);
end_reached = end_r | LblWalkNode(l1, right->nd_RIGHT, exit_label, end_reached);
l1 = l2;
}
@ -678,7 +678,7 @@ WalkStat(nd, exit_label, end_reached)
exit = ++text_label,
dummy = ++text_label;
C_bra(dummy);
c_bra(dummy);
end_reached |= LblWalkNode(loop, right, exit_label, end_reached);
def_ilb(dummy);
ExpectBool(&(nd->nd_LEFT), loop, exit);
@ -702,7 +702,7 @@ WalkStat(nd, exit_label, end_reached)
end_reached &= REACH_FLAG;
}
else end_reached = 0;
C_bra(loop);
c_bra(loop);
def_ilb(exit);
break;
}
@ -794,7 +794,7 @@ WalkStat(nd, exit_label, end_reached)
end_reached |= WalkNode(right->nd_RIGHT, exit_label, end_reached);
loopid->nd_def->df_flags &= ~D_FORLOOP;
}
C_bra(l1);
c_bra(l1);
def_ilb(l2);
FreeInt(tmp);
}
@ -842,7 +842,7 @@ WalkStat(nd, exit_label, end_reached)
assert(exit_label != 0);
if (end_reached & REACH_FLAG) end_reached = EXIT_FLAG;
C_bra(exit_label);
c_bra(exit_label);
break;
case RETURN:
@ -862,7 +862,7 @@ WalkStat(nd, exit_label, end_reached)
}
else CodePExpr(right);
}
C_bra(RETURN_LABEL);
c_bra(RETURN_LABEL);
break;
default:

1
lang/m2/comp/walk.h
View file

@ -25,4 +25,5 @@ extern label data_label;
#define c_loc(x) C_loc((arith) (x))
#define c_lae_dlb(x) C_lae_dlb(x,(arith) 0)
#define CAL(nm, sz) (C_cal(nm), C_asp((arith)(sz)))
#define c_bra(x) C_bra((label) (x))
#endif