Esempio n. 1
0
 /** Parses the input concrete S-expression syntax to produce a command instance */
 public static /*@Nullable*/ C_what parse(Parser p) throws IOException, ParserException {
   if (!p.smt().relax) {
     error(p.smt(), "Invalid SMT-LIB command: " + commandName, p.commandName.pos());
     return null;
   }
   List<IIdentifier> ids = new LinkedList<IIdentifier>();
   while (!p.isRP()) {
     if (p.isEOD()) {
       p.smt()
           .log
           .logError(
               p.smt()
                   .responseFactory
                   .error(
                       "Unexpected end of data while parsing a what command",
                       p.savedlp == null
                           ? null
                           : p.pos(p.savedlp.pos().charStart(), p.currentPos())));
       // Note: actually p.savedlp should not ever be null - a bit defensive here
       return null;
     }
     IIdentifier id = p.parseIdentifier();
     if (id == null) return null;
     ids.add(id);
   }
   return new C_what(ids);
 }
Esempio n. 2
0
  /** Parses the arguments of the command, producing a new command instance */
  public static /*@Nullable*/ C_declare_const parse(Parser p) throws ParserException {
    /*@Nullable*/ ISymbol symbol = p.parseSymbol();
    if (symbol == null) return null;

    /*@Nullable*/ ISort result = p.parseSort(null);
    if (result == null) return null;
    String v = symbol.value();
    if (v.length() > 0 && (v.charAt(0) == '@' || v.charAt(0) == '.')) {
      error(p.smt(), "User-defined symbols may not begin with . or @", symbol.pos());
      return null;
    }
    return new C_declare_const(symbol, result);
  }
Esempio n. 3
0
 /** Parses the arguments of the command, producing a new command instance */
 public static /*@Nullable*/ C_assert parse(Parser p) throws IOException, ParserException {
   IExpr expr = p.parseExpr();
   if (expr == null) return null;
   return new C_assert(expr);
 }