125 lines
3.6 KiB
Java
125 lines
3.6 KiB
Java
/*
|
|
* Copyright 2000-2014 JetBrains s.r.o.
|
|
*
|
|
* 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 org.jetbrains.java.decompiler.modules.decompiler.exps;
|
|
|
|
import org.jetbrains.java.decompiler.main.TextBuffer;
|
|
import org.jetbrains.java.decompiler.main.collectors.BytecodeMappingTracer;
|
|
import org.jetbrains.java.decompiler.modules.decompiler.ExprProcessor;
|
|
import org.jetbrains.java.decompiler.modules.decompiler.vars.CheckTypesResult;
|
|
import org.jetbrains.java.decompiler.struct.gen.VarType;
|
|
import org.jetbrains.java.decompiler.util.InterpreterUtil;
|
|
|
|
import java.util.ArrayList;
|
|
import java.util.List;
|
|
import java.util.Set;
|
|
|
|
public class ArrayExprent extends Exprent {
|
|
|
|
private Exprent array;
|
|
private Exprent index;
|
|
private final VarType hardType;
|
|
|
|
public ArrayExprent(Exprent array, Exprent index, VarType hardType, Set<Integer> bytecodeOffsets) {
|
|
super(EXPRENT_ARRAY);
|
|
this.array = array;
|
|
this.index = index;
|
|
this.hardType = hardType;
|
|
|
|
addBytecodeOffsets(bytecodeOffsets);
|
|
}
|
|
|
|
@Override
|
|
public Exprent copy() {
|
|
return new ArrayExprent(array.copy(), index.copy(), hardType, bytecode);
|
|
}
|
|
|
|
@Override
|
|
public VarType getExprType() {
|
|
VarType exprType = array.getExprType();
|
|
if (exprType.equals(VarType.VARTYPE_NULL)) {
|
|
return hardType.copy();
|
|
}
|
|
else {
|
|
return exprType.decreaseArrayDim();
|
|
}
|
|
}
|
|
|
|
public int getExprentUse() {
|
|
return array.getExprentUse() & index.getExprentUse() & Exprent.MULTIPLE_USES;
|
|
}
|
|
|
|
public CheckTypesResult checkExprTypeBounds() {
|
|
CheckTypesResult result = new CheckTypesResult();
|
|
result.addMinTypeExprent(index, VarType.VARTYPE_BYTECHAR);
|
|
result.addMaxTypeExprent(index, VarType.VARTYPE_INT);
|
|
return result;
|
|
}
|
|
|
|
public List<Exprent> getAllExprents() {
|
|
List<Exprent> lst = new ArrayList<Exprent>();
|
|
lst.add(array);
|
|
lst.add(index);
|
|
return lst;
|
|
}
|
|
|
|
@Override
|
|
public TextBuffer toJava(int indent, BytecodeMappingTracer tracer) {
|
|
TextBuffer res = array.toJava(indent, tracer);
|
|
|
|
if (array.getPrecedence() > getPrecedence()) { // array precedence equals 0
|
|
res.enclose("(", ")");
|
|
}
|
|
|
|
VarType arrType = array.getExprType();
|
|
if (arrType.arrayDim == 0) {
|
|
VarType objArr = VarType.VARTYPE_OBJECT.resizeArrayDim(1); // type family does not change
|
|
res.enclose("((" + ExprProcessor.getCastTypeName(objArr) + ")", ")");
|
|
}
|
|
|
|
tracer.addMapping(bytecode);
|
|
|
|
return res.append("[").append(index.toJava(indent, tracer)).append("]");
|
|
}
|
|
|
|
@Override
|
|
public void replaceExprent(Exprent oldExpr, Exprent newExpr) {
|
|
if (oldExpr == array) {
|
|
array = newExpr;
|
|
}
|
|
if (oldExpr == index) {
|
|
index = newExpr;
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public boolean equals(Object o) {
|
|
if (o == this) return true;
|
|
if (o == null || !(o instanceof ArrayExprent)) return false;
|
|
|
|
ArrayExprent arr = (ArrayExprent)o;
|
|
return InterpreterUtil.equalObjects(array, arr.getArray()) &&
|
|
InterpreterUtil.equalObjects(index, arr.getIndex());
|
|
}
|
|
|
|
public Exprent getArray() {
|
|
return array;
|
|
}
|
|
|
|
public Exprent getIndex() {
|
|
return index;
|
|
}
|
|
}
|