private Node translateSJInbranch(SJInbranch ib, QQ qq) {
StringBuilder translation = new StringBuilder("{ ");
Collection<Object> mapping = new LinkedList<Object>();
String labVar = UniqueID.newID(SJ_INBRANCH_LABEL_FIELD_PREFIX);
translation.append("%T %s = %E; ");
mapping.add(qq.parseType(SJ_LABEL_CLASS));
mapping.add(labVar);
mapping.add(ib.inlabel());
for (Iterator<SJInbranchCase> i = ib.branchCases().iterator(); i.hasNext(); ) {
SJInbranchCase ibc = i.next();
translation.append("if (%s.equals(%E)) { %LS } ");
mapping.add(labVar);
mapping.add(sjnf.StringLit(ib.position(), ibc.label().labelValue()));
mapping.add(ibc.statements());
if (i.hasNext()) {
translation.append("else ");
}
}
translation.append("else { throw new SJIOException(\"Unexpected inbranch label: \" + %s); }");
mapping.add(labVar);
// FIXME: need a final else case to better handle, if runtime monitoring is disabled,
// non-sj-compatibility mode and in case of malicious peers.
translation.append('}');
return qq.parseStmt(translation.toString(), mapping.toArray());
}
private String getRecursionBooleanName(Iterable<String> sjnames, SJLabel lab) {
StringBuilder bname = new StringBuilder(SJ_RECURSION_PREFIX);
for (String sjname : sjnames) {
bname.append(sjname).append('_');
}
return bname + lab.labelValue();
}