122 lines
2.4 KiB
C#
122 lines
2.4 KiB
C#
/*
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Copyright (C) 2011-2012 de4dot@gmail.com
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This file is part of de4dot.
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de4dot is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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de4dot is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with de4dot. If not, see <http://www.gnu.org/licenses/>.
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*/
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namespace de4dot.blocks.cflow {
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public enum ValueType : byte {
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Unknown,
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Null,
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Boxed,
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Int32,
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Int64,
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Real8,
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String,
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}
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public enum Bool3 {
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Unknown = -1,
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False,
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True,
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}
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public abstract class Value {
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public readonly ValueType valueType;
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public bool isUnknown() {
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return valueType == ValueType.Unknown;
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}
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public bool isNull() {
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return valueType == ValueType.Null;
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}
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public bool isBoxed() {
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return valueType == ValueType.Boxed;
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}
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public bool isInt32() {
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return valueType == ValueType.Int32;
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}
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public bool isInt64() {
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return valueType == ValueType.Int64;
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}
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public bool isReal8() {
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return valueType == ValueType.Real8;
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}
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public bool isString() {
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return valueType == ValueType.String;
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}
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protected Value(ValueType valueType) {
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this.valueType = valueType;
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}
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}
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public class UnknownValue : Value {
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public UnknownValue()
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: base(ValueType.Unknown) {
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}
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public override string ToString() {
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return "<unknown>";
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}
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}
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public class NullValue : Value {
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// There's only one type of null
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public static readonly NullValue Instance = new NullValue();
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NullValue()
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: base(ValueType.Null) {
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}
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public override string ToString() {
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return "null";
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}
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}
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public class BoxedValue : Value {
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public readonly Value value;
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public BoxedValue(Value value)
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: base(ValueType.Boxed) {
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this.value = value;
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}
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public override string ToString() {
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return string.Format("box({0})", value.ToString());
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}
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}
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public class StringValue : Value {
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public readonly string value;
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public StringValue(string value)
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: base(ValueType.String) {
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this.value = value;
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}
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public override string ToString() {
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return string.Format("\"{0}\"", value);
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}
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}
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}
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