@Override public String visit(ISymbol e) throws IVisitor.VisitorException { // Symbols do not necessarily have sorts - e.g. if they are function names ISort sort = typemap.get(e); if (!isFormula && sort != null && sort.isBool()) { throw new VisitorException( "Use of boolean in a term position is not yet implemented in the Simplify adapter", e.pos()); // FIXME - booleans as terms } // Simplify does not allow tab, newline, cr in identifiers; // these are allowed by SMTLIB. // Note that neither simplify nor SMTLIB allows \ or | // All other printable characters are allowed in both. String oldName = e.value(); String newName = fcnNames.get(oldName); if (newName != null) { // There is a direct translation of a pre-defined SMT-LIB name // into a simplify equivalent - use it. } else { // Use the ? character as an escape newName = oldName.replace("?", "??").replace("\n", "?n").replace("\r", "?r").replace("\t", "?t"); if (reservedWords.contains(newName)) { newName = newName + "?!"; } newName = "|" + newName + "|"; } return newName; }