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make string(array) take []byte only (and thus *[10]byte but not [10]byte)

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R=ken
OCL=27581
CL=27585
This commit is contained in:
Russ Cox 2009-04-16 23:07:30 -07:00
parent e2bf22715d
commit 3ea8d854a3
1 changed files with 6 additions and 4 deletions
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10
src/cmd/gc/walk.c
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@ -1230,8 +1230,9 @@ walkconv(Node *n)
indir(n, stringop(n, Erv));
return;
}
if(et == TARRAY)
if(istype(l->type->type, TUINT8)) {
// can convert []byte and *[10]byte
if((isptr[et] && isfixedarray(l->type->type) && istype(l->type->type->type, TUINT8))
|| (isslice(l->type) && istype(l->type->type, TUINT8))) {
n->op = OARRAY;
indir(n, stringop(n, Erv));
return;
@ -1267,6 +1268,9 @@ walkconv(Node *n)
}
bad:
if(n->diag)
return;
n->diag = 1;
if(l->type != T)
yyerror("invalid conversion: %T to %T", l->type, t);
else
@ -2204,8 +2208,6 @@ stringop(Node *n, int top)
case OARRAY:
// arraystring([]byte) string;
r = n->left;
if(isfixedarray(r->type))
r = nod(OADDR, r, N);
on = syslook("arraystring", 0);
r = nod(OCALL, on, r);
break;