com.googlecode.dex2jar.ir.expr.Constant Maven / Gradle / Ivy
/*
* Copyright (c) 2009-2012 Panxiaobo
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.googlecode.dex2jar.ir.expr;
import com.googlecode.d2j.DexType;
import com.googlecode.dex2jar.ir.LabelAndLocalMapper;
import com.googlecode.dex2jar.ir.Util;
import com.googlecode.dex2jar.ir.expr.Value.E0Expr;
import java.lang.reflect.Array;
/**
* Represent a constant, number/string/type
*
* @author Panxiaobo
* @version $Rev$
*/
public class Constant extends E0Expr {
public static final Object Null = new Object();
public Object value;
public Constant(Object value) {
super(VT.CONSTANT);
this.value = value;
}
@Override
public Value clone() {
return new Constant(value);
}
@Override
public Value clone(LabelAndLocalMapper mapper) {
return new Constant(value);
}
@Override
public String toString0() {
if (Null == value) {
return "null";
} else if (value == null) {
return "NULL";
} else if (value instanceof Number) {
if (value instanceof Float) {
return value.toString() + "F";
}
if (value instanceof Long) {
return value.toString() + "L";
}
return value.toString();
} else if (value instanceof String) {
StringBuffer buf = new StringBuffer();
Util.appendString(buf, (String) value);
return buf.toString();
} else if (value instanceof DexType) {
return Util.toShortClassName(((DexType) value).desc) + ".class";
} else if (value.getClass().isArray()) {
StringBuilder sb = new StringBuilder();
sb.append("[");
int size = Array.getLength(value);
for (int i = 0; i < size; i++) {
sb.append(Array.get(value, i)).append(",");
}
if (size > 0) {
sb.setLength(sb.length() - 1);
}
sb.append("]");
return sb.toString();
}
return "" + value;
}
}