public Stm buildObject(TreeFactory tf, ObjectInfo info, boolean exported) {
FieldMap cfm = ((TreeBuilder) runtime.getTreeBuilder()).cfm;
assert !info.type().isArray();
assert !info.type().isPrimitive();
List<Stm> stmlist = new ArrayList<Stm>();
// header
stmlist.add(makeHeader(tf, info, exported));
int startOffset = headerFinalOffset(info);
// fields, in field order
List<HField> l = cfm.fieldList(info.type());
int endOffset =
(l.size() == 0)
? startOffset
: cfm.fieldOffset(l.get(l.size() - 1)) + cfm.fieldSize(l.get(l.size() - 1));
Stm s = makeFields(tf, info, l, startOffset, endOffset);
if (s != null) stmlist.add(s);
// done -- ta da!
return Stm.toStm(stmlist);
}
public Stm buildArray(TreeFactory tf, ArrayInfo info, boolean exported) {
FieldMap cfm = ((TreeBuilder) runtime.getTreeBuilder()).cfm;
assert info.type().isArray();
HClass cType = info.type().getComponentType();
List<Stm> stmlist = new ArrayList<Stm>(info.length() + 2);
// header
stmlist.add(makeHeader(tf, info, exported));
int startOffset = headerFinalOffset(info);
// fields of the object, including the length field. in order.
List<HField> l = cfm.fieldList(info.type());
assert l.size() > 0; // always at least the length field!
int endOffset = cfm.fieldOffset(l.get(l.size() - 1)) + cfm.fieldSize(l.get(l.size() - 1));
Stm s = makeFields(tf, info, l, startOffset, endOffset);
assert s != null; // always the length!
stmlist.add(s);
// data
for (int i = 0; i < info.length(); i++) stmlist.add(makeDatum(tf, info.get(i)));
// done -- ta da!
return Stm.toStm(stmlist);
}
protected Stm makeFields(
TreeFactory tf, Info info, List<HField> fields, int startOffset, int endOffset) {
assert endOffset >= startOffset;
FieldMap cfm = ((TreeBuilder) runtime.getTreeBuilder()).cfm;
List<Stm> stmlist = new ArrayList<Stm>(2 * fields.size());
int offset = startOffset;
for (Iterator<HField> it = fields.iterator(); it.hasNext(); ) {
HField hf = it.next();
int thisOffset = cfm.fieldOffset(hf);
if (thisOffset < startOffset) continue; // ignore
if (thisOffset > endOffset) break; // done.
assert thisOffset >= offset : "fields in order";
if (thisOffset > offset) // handle padding
stmlist.add(makePadding(tf, thisOffset - offset));
stmlist.add(makeDatum(tf, lookup(info, hf)));
offset = thisOffset + cfm.fieldSize(hf);
}
// final padding, if needed.
if (endOffset > offset) stmlist.add(makePadding(tf, endOffset - offset));
// done -- ta da!
return Stm.toStm(stmlist); // MAY RETURN NULL.
}
