/* tracefinis - complete & generate the trace call to print */
static void tracefinis(Symbol printer) {
Tree *ap;
Symbol p;
*fp = 0;
p = mkstr(string(fmt));
for (ap = &args; *ap; ap = &(*ap)->kids[1])
;
*ap = tree(ARG+P, charptype, pointer(idtree(p->u.c.loc)), 0);
walk(calltree(pointer(idtree(printer)), freturn(printer->type), args, NULL), 0, 0);
args = 0;
fp = fmtend = 0;
}
Tree vcall(Symbol func, Type ty, ...) {
va_list ap;
Tree args = NULL, e, f = pointer(idtree(func)), r = NULL;
assert(isfunc(func->type));
if (ty == NULL)
ty = freturn(func->type);
va_start(ap, ty);
while ((e = va_arg(ap, Tree)) != NULL) {
if (hascall(e))
r = r == NULL ? e : tree(RIGHT, voidtype, r, e);
args = tree(mkop(ARG, e->type), e->type, e, args);
}
va_end(ap);
if (r != NULL)
args = tree(RIGHT, voidtype, r, args);
return calltree(f, ty, args, NULL);
}
Tree call(Tree f, Type fty, Coordinate src) {
int n = 0;
Tree args = NULL, r = NULL, e;
Type *proto, rty = unqual(freturn(fty));
Symbol t3 = NULL;
if (fty->u.f.oldstyle)
proto = NULL;
else
proto = fty->u.f.proto;
if (hascall(f))
r = f;
if (isstruct(rty))
{
t3 = temporary(AUTO, unqual(rty));
if (rty->size == 0)
error("illegal use of incomplete type `%t'\n", rty);
}
if (t != ')')
for (;;) {
Tree q = pointer(expr1(0));
if (proto && *proto && *proto != voidtype)
{
Type aty;
q = value(q);
aty = assign(*proto, q);
if (aty)
q = cast(q, aty);
else
error("type error in argument %d to %s; found `%t' expected `%t'\n", n + 1, funcname(f),
q->type, *proto);
if ((isint(q->type) || isenum(q->type))
&& q->type->size != inttype->size)
q = cast(q, promote(q->type));
++proto;
}
else
{
if (!fty->u.f.oldstyle && *proto == NULL)
error("too many arguments to %s\n", funcname(f));
q = value(q);
if (isarray(q->type) || q->type->size == 0)
error("type error in argument %d to %s; `%t' is illegal\n", n + 1, funcname(f), q->type);
else
q = cast(q, promote(q->type));
}
if (!IR->wants_argb && isstruct(q->type))
if (iscallb(q))
q = addrof(q);
else {
Symbol t1 = temporary(AUTO, unqual(q->type));
q = asgn(t1, q);
q = tree(RIGHT, ptr(t1->type),
root(q), lvalue(idtree(t1)));
}
if (q->type->size == 0)
q->type = inttype;
if (hascall(q))
r = r ? tree(RIGHT, voidtype, r, q) : q;
args = tree(mkop(ARG, q->type), q->type, q, args);
n++;
if (Aflag >= 2 && n == 32)
warning("more than 31 arguments in a call to %s\n",
funcname(f));
if (t != ',')
break;
t = gettok();
}
expect(')');
if (proto && *proto && *proto != voidtype)
error("insufficient number of arguments to %s\n",
funcname(f));
if (r)
args = tree(RIGHT, voidtype, r, args);
e = calltree(f, rty, args, t3);
if (events.calls)
apply(events.calls, &src, &e);
return e;
}
