Esempio n. 1
0
  public ExpressionAccess(Parser p, ExpressionIdentifier left, ExpressionIdentifier right)
      throws SyntaxException {
    super(p, null);

    if (left == null) p.error("Left operator is null.");
    if (right == null) p.error("Right operator is null.");

    this.left = left;
    this.right = right;
  }
Esempio n. 2
0
  public ExpressionOperator(Parser p, Operator op, Expression left, Expression right)
      throws SyntaxException {
    super(p, left.getDatatype());
    if (op.getReturn() != -1) {
      this.setDatatype(new Datatype(op.getReturn(), 0, null));
    }
    this.op = op;
    this.left = left;
    this.right = right;

    if (left.getDatatype().getDimensions() == 0) {
      if (op.getName().equals("==") || op.getName().equals("!=")) {
        return;
      }
      if (!left.getDatatype().match(right.getDatatype())) {
        p.error(left.getDatatype().generateErrorMsg(right.getDatatype()));
      }
      for (int data : op.getPossibleDatatypes()) {
        if (new Datatype(data, 0, null).match(left.getDatatype())) return;
      }
    }
    p.error("Operator '" + op.getName() + "' got wrong datatype '" + left.getDatatype() + "'");
  }