| /* |
| * 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.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; |
| |
| |
| public class ArrayExprent extends Exprent { |
| |
| private Exprent array; |
| |
| private Exprent index; |
| |
| private VarType hardtype; |
| |
| { |
| this.type = EXPRENT_ARRAY; |
| } |
| |
| public ArrayExprent(Exprent array, Exprent index, VarType hardtype) { |
| this.array = array; |
| this.index = index; |
| this.hardtype = hardtype; |
| } |
| |
| public Exprent copy() { |
| return new ArrayExprent(array.copy(), index.copy(), hardtype); |
| } |
| |
| public VarType getExprType() { |
| VarType exprType = array.getExprType().copy(); |
| if (exprType.equals(VarType.VARTYPE_NULL)) { |
| exprType = hardtype.copy(); |
| } |
| else { |
| exprType.decArrayDim(); |
| } |
| |
| return exprType; |
| } |
| |
| 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; |
| } |
| |
| |
| public String toJava(int indent) { |
| String res = array.toJava(indent); |
| |
| if (array.getPrecedence() > getPrecedence()) { // array precedence equals 0 |
| res = "(" + res + ")"; |
| } |
| |
| VarType arrtype = array.getExprType(); |
| if (arrtype.arraydim == 0) { |
| VarType objarr = VarType.VARTYPE_OBJECT.copy(); |
| objarr.arraydim = 1; // type family does not change |
| |
| res = "((" + ExprProcessor.getCastTypeName(objarr) + ")" + res + ")"; |
| } |
| |
| return res + "[" + index.toJava(indent) + "]"; |
| } |
| |
| 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 void replaceExprent(Exprent oldexpr, Exprent newexpr) { |
| if (oldexpr == array) { |
| array = newexpr; |
| } |
| |
| if (oldexpr == index) { |
| index = newexpr; |
| } |
| } |
| |
| public Exprent getArray() { |
| return array; |
| } |
| |
| public Exprent getIndex() { |
| return index; |
| } |
| } |