/** Collect all constants into the constant table */
public void collect(Environment env, MemberDefinition field, ConstantPool tab) {
// Collect constants for arguments only
// if a local variable table is generated
if ((field != null) && env.debug_vars()) {
if (field.getArguments() != null) {
for (Enumeration e = field.getArguments().elements(); e.hasMoreElements(); ) {
MemberDefinition f = (MemberDefinition) e.nextElement();
tab.put(f.getName().toString());
tab.put(f.getType().getTypeSignature());
}
}
}
// Collect constants from the instructions
for (Instruction inst = first; inst != null; inst = inst.next) {
inst.collect(tab);
}
}
/** Write the exceptions table */
void writeExceptions(
Environment env, DataOutputStream out, ConstantPool tab, Instruction first, Instruction last)
throws IOException {
for (Instruction inst = first; inst != last.next; inst = inst.next) {
if (inst.opc == opc_try) {
TryData td = (TryData) inst.value;
writeExceptions(env, out, tab, inst.next, td.getEndLabel());
for (Enumeration e = td.catches.elements(); e.hasMoreElements(); ) {
CatchData cd = (CatchData) e.nextElement();
// System.out.println("EXCEPTION: " + env.getSource() + ", pc=" + inst.pc + ", end=" +
// td.getEndLabel().pc + ", hdl=" + cd.getLabel().pc + ", tp=" + cd.getType());
out.writeShort(inst.pc);
out.writeShort(td.getEndLabel().pc);
out.writeShort(cd.getLabel().pc);
if (cd.getType() != null) {
out.writeShort(tab.index(cd.getType()));
} else {
out.writeShort(0);
}
}
inst = td.getEndLabel();
}
}
}