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;
}
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() + "'");
}