/*
Copyright (C) 2011-2013 de4dot@gmail.com
This file is part of de4dot.
de4dot is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
de4dot is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with de4dot. If not, see .
*/
namespace de4dot.blocks.cflow {
public enum ValueType : byte {
Unknown,
Null,
Object,
Boxed,
Int32,
Int64,
Real8,
String,
}
public enum Bool3 {
Unknown = -1,
False,
True,
}
public abstract class Value {
public readonly ValueType valueType;
public bool isUnknown() {
return valueType == ValueType.Unknown;
}
public bool isNull() {
return valueType == ValueType.Null;
}
public bool isObject() {
return valueType == ValueType.Object;
}
public bool isBoxed() {
return valueType == ValueType.Boxed;
}
public bool isInt32() {
return valueType == ValueType.Int32;
}
public bool isInt64() {
return valueType == ValueType.Int64;
}
public bool isReal8() {
return valueType == ValueType.Real8;
}
public bool isString() {
return valueType == ValueType.String;
}
protected Value(ValueType valueType) {
this.valueType = valueType;
}
}
public class UnknownValue : Value {
public UnknownValue()
: base(ValueType.Unknown) {
}
public override string ToString() {
return "";
}
}
public class ObjectValue : Value {
public readonly object obj; // can be null but that doesn't mean that this ObjectValue instance is null
public ObjectValue()
: this(null) {
}
public ObjectValue(object obj)
: base(ValueType.Object) {
this.obj = obj;
}
public override string ToString() {
return "";
}
}
public class NullValue : Value {
// There's only one type of null
public static readonly NullValue Instance = new NullValue();
NullValue()
: base(ValueType.Null) {
}
public override string ToString() {
return "null";
}
}
public class BoxedValue : Value {
public readonly Value value;
public BoxedValue(Value value)
: base(ValueType.Boxed) {
this.value = value;
}
public override string ToString() {
return string.Format("box({0})", value.ToString());
}
}
public class StringValue : Value {
public readonly string value;
public StringValue(string value)
: base(ValueType.String) {
this.value = value;
}
public override string ToString() {
return string.Format("\"{0}\"", value);
}
}
}