Exemplo n.º 1
0
/// Scan all symbols referenced by the constraints. If the symbol is not alive
/// as marked in LSymbols, mark it as dead in DSymbols.
const ProgramState*
RangeConstraintManager::removeDeadBindings(const ProgramState *state,
                                           SymbolReaper& SymReaper) {

  ConstraintRangeTy CR = state->get<ConstraintRange>();
  ConstraintRangeTy::Factory& CRFactory = state->get_context<ConstraintRange>();

  for (ConstraintRangeTy::iterator I = CR.begin(), E = CR.end(); I != E; ++I) {
    SymbolRef sym = I.getKey();
    if (SymReaper.maybeDead(sym))
      CR = CRFactory.remove(CR, sym);
  }

  return state->set<ConstraintRange>(CR);
}
/// Scan all symbols referenced by the constraints. If the symbol is not alive
/// as marked in LSymbols, mark it as dead in DSymbols.
ProgramStateRef
RangeConstraintManager::removeDeadBindings(ProgramStateRef State,
                                           SymbolReaper &SymReaper) {
  bool Changed = false;
  ConstraintRangeTy CR = State->get<ConstraintRange>();
  ConstraintRangeTy::Factory &CRFactory = State->get_context<ConstraintRange>();

  for (ConstraintRangeTy::iterator I = CR.begin(), E = CR.end(); I != E; ++I) {
    SymbolRef Sym = I.getKey();
    if (SymReaper.maybeDead(Sym)) {
      Changed = true;
      CR = CRFactory.remove(CR, Sym);
    }
  }

  return Changed ? State->set<ConstraintRange>(CR) : State;
}
void RangeConstraintManager::print(ProgramStateRef St, raw_ostream &Out,
                                   const char *nl, const char *sep) {

  ConstraintRangeTy Ranges = St->get<ConstraintRange>();

  if (Ranges.isEmpty()) {
    Out << nl << sep << "Ranges are empty." << nl;
    return;
  }

  Out << nl << sep << "Ranges of symbol values:";
  for (ConstraintRangeTy::iterator I = Ranges.begin(), E = Ranges.end(); I != E;
       ++I) {
    Out << nl << ' ' << I.getKey() << " : ";
    I.getData().print(Out);
  }
  Out << nl;
}