void
oframe(Node *n, Node *res)
{
char *p;
Node *lp;
uvlong ival;
Frtype *f;
p = n->sym->name;
while(*p && *p == '$')
p++;
lp = n->left;
if(localaddr(cormap, p, lp->sym->name, &ival, rget) < 0)
error("colon: %r");
res->ival = ival;
res->op = OCONST;
res->fmt = 'A';
res->type = TINT;
/* Try and set comt */
for(f = n->sym->local; f; f = f->next) {
if(f->var == lp->sym) {
res->comt = f->type;
res->fmt = 'a';
break;
}
}
}
int sockinetbuf::localhost(char *hostname, size_t hostnameLen) const
{
hostname[0] = '\0';
sockinetaddr sin (localaddr());
if (sin.family() != af_inet) return -1;
return sin.gethostname(hostname, hostnameLen);
}
void retcode(Tree p) {
Type ty;
if (p == NULL) {
if (events.returns)
apply(events.returns, cfunc, NULL);
return;
}
p = pointer(p);
ty = assign(freturn(cfunc->type), p);
if (ty == NULL) {
error("illegal return type; found `%t' expected `%t'\n",
p->type, freturn(cfunc->type));
return;
}
p = cast(p, ty);
if (retv)
{
if (iscallb(p))
p = tree(RIGHT, p->type,
tree(CALL+B, p->type,
p->kids[0]->kids[0], idtree(retv)),
rvalue(idtree(retv)));
else {
Type ty = retv->type->type;
assert(isstruct(ty));
if (ty->u.sym->u.s.cfields) {
ty->u.sym->u.s.cfields = 0;
p = asgntree(ASGN, rvalue(idtree(retv)), p);
ty->u.sym->u.s.cfields = 1;
} else
p = asgntree(ASGN, rvalue(idtree(retv)), p);
}
walk(p, 0, 0);
if (events.returns)
apply(events.returns, cfunc, rvalue(idtree(retv)));
return;
}
if (events.returns)
{
Symbol t1 = genident(AUTO, p->type, level);
addlocal(t1);
walk(asgn(t1, p), 0, 0);
apply(events.returns, cfunc, idtree(t1));
p = idtree(t1);
}
if (!isfloat(p->type))
p = cast(p, promote(p->type));
if (isptr(p->type))
{
Symbol q = localaddr(p);
if (q && (q->computed || q->generated))
warning("pointer to a %s is an illegal return value\n",
q->scope == PARAM ? "parameter" : "local");
else if (q)
warning("pointer to %s `%s' is an illegal return value\n",
q->scope == PARAM ? "parameter" : "local", q->name);
}
walk(tree(mkop(RET,p->type), p->type, p, NULL), 0, 0);
}
item(int a)
{ /* name [ . local ] | number | . | ^ | <register | 'x | | */
char *base;
char savc;
uvlong e;
Symbol s;
char gsym[MAXSYM], lsym[MAXSYM];
readchar();
if (isfileref()) {
readfname(gsym);
rdc(); /* skip white space */
if (lastc == ':') { /* it better be */
rdc(); /* skip white space */
if (!getnum(readchar))
error("bad number");
if (expv == 0)
expv = 1; /* file begins at line 1 */
expv = file2pc(gsym, expv);
if (expv == -1)
error("%r");
return 1;
}
error("bad file location");
} else if (symchar(0)) {
readsym(gsym);
if (lastc=='.') {
readchar(); /* ugh */
if (lastc == '.') {
lsym[0] = '.';
readchar();
readsym(lsym+1);
} else if (symchar(0)) {
readsym(lsym);
} else
lsym[0] = 0;
if (localaddr(cormap, gsym, lsym, &e, rget) < 0)
error("%r");
expv = e;
}
else {
if (lookup(0, gsym, &s) == 0)
error("symbol not found");
expv = s.value;
}
reread();
} else if (getnum(readchar)) {
;
} else if (lastc=='.') {
readchar();
if (!symchar(0) && lastc != '.') {
expv = dot;
} else {
if (findsym(rget(cormap, mach->pc), CTEXT, &s) == 0)
error("no current function");
if (lastc == '.') {
lsym[0] = '.';
readchar();
readsym(lsym+1);
} else
readsym(lsym);
if (localaddr(cormap, s.name, lsym, &e, rget) < 0)
error("%r");
expv = e;
}
reread();
} else if (lastc=='"') {
expv=ditto;
} else if (lastc=='+') {
expv=inkdot(dotinc);
} else if (lastc=='^') {
expv=inkdot(-dotinc);
} else if (lastc=='<') {
savc=rdc();
base = regname(savc);
expv = rget(cormap, base);
}
else if (lastc=='\'')
expv = ascval();
else if (a)
error("address expected");
else {
reread();
return(0);
}
return(1);
}
int sockinetbuf::localport() const
{
sockinetaddr sin (localaddr());
if (sin.family() != af_inet) return -1;
return sin.getport();
}