@Override
public boolean equals(Object obj) {
// if (!(obj instanceof StackValue)) {
// return false;
// }
if (this == obj) {
return true;
}
if (obj instanceof StackValue) {
StackValue stackValue = (StackValue) obj;
boolean match = stackValue.getType() == type;
if (!match) {
return false;
}
switch (type) {
case TYPE_STRING:
match = string.equals(stackValue.getString());
break;
case TYPE_FLOAT:
match = (floatValue == stackValue.getFloat());
break;
case TYPE_REGISTER:
match = (registerNumber == stackValue.getRegisterNumber());
break;
case TYPE_BOOLEAN:
match = (booleanValue == stackValue.getBoolean());
break;
case TYPE_DOUBLE:
match = (doubleValue == stackValue.getDouble());
break;
case TYPE_INTEGER:
match = (integerValue == stackValue.getInteger());
break;
case TYPE_CONSTANT_8:
match = (constant8 == stackValue.getConstant8());
break;
case TYPE_CONSTANT_16:
match = (constant16 == stackValue.getConstant16());
break;
}
return match;
} else if (obj instanceof NotOperation) {
return obj.equals(this);
} else {
return false;
}
}
private static Element writePush(Element parentElement, Push push) {
Element element = parentElement.addElement("push");
List values = push.getValues();
for (Iterator it = values.iterator(); it.hasNext(); ) {
StackValue value = (StackValue) it.next();
switch (value.getType()) {
case StackValue.TYPE_BOOLEAN:
element.addElement("boolean").addAttribute("value", Boolean.toString(value.getBoolean()));
break;
case StackValue.TYPE_CONSTANT_16:
element
.addElement("constant16")
.addAttribute("id", Integer.toString(value.getConstant16()));
break;
case StackValue.TYPE_CONSTANT_8:
element
.addElement("constant8")
.addAttribute("id", Integer.toString(value.getConstant8()));
break;
case StackValue.TYPE_DOUBLE:
element.addElement("double").addAttribute("value", Double.toString(value.getDouble()));
break;
case StackValue.TYPE_FLOAT:
element.addElement("float").addAttribute("value", Float.toString(value.getFloat()));
break;
case StackValue.TYPE_INTEGER:
element.addElement("integer").addAttribute("value", Long.toString(value.getInteger()));
break;
case StackValue.TYPE_NULL:
element.addElement("null");
break;
case StackValue.TYPE_REGISTER:
element
.addElement("register")
.addAttribute("number", Short.toString(value.getRegisterNumber()));
break;
case StackValue.TYPE_STRING:
element.addElement("string").addAttribute("value", value.getString());
break;
case StackValue.TYPE_UNDEFINED:
element.addElement("undefined");
break;
}
}
return element;
}