| /* |
| * 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.struct.gen.VarType; |
| import org.jetbrains.java.decompiler.util.InterpreterUtil; |
| import org.jetbrains.java.decompiler.util.ListStack; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| |
| public class IfExprent extends Exprent { |
| |
| public static final int IF_EQ = 0; |
| public static final int IF_NE = 1; |
| public static final int IF_LT = 2; |
| public static final int IF_GE = 3; |
| public static final int IF_GT = 4; |
| public static final int IF_LE = 5; |
| |
| public static final int IF_NULL = 6; |
| public static final int IF_NONNULL = 7; |
| |
| public static final int IF_ICMPEQ = 8; |
| public static final int IF_ICMPNE = 9; |
| public static final int IF_ICMPLT = 10; |
| public static final int IF_ICMPGE = 11; |
| public static final int IF_ICMPGT = 12; |
| public static final int IF_ICMPLE = 13; |
| public static final int IF_ACMPEQ = 14; |
| public static final int IF_ACMPNE = 15; |
| |
| public static final int IF_CAND = 16; |
| public static final int IF_COR = 17; |
| |
| public static final int IF_NOT = 18; |
| public static final int IF_VALUE = 19; |
| |
| private static final int[] functypes = new int[]{ |
| FunctionExprent.FUNCTION_EQ, |
| FunctionExprent.FUNCTION_NE, |
| FunctionExprent.FUNCTION_LT, |
| FunctionExprent.FUNCTION_GE, |
| FunctionExprent.FUNCTION_GT, |
| FunctionExprent.FUNCTION_LE, |
| FunctionExprent.FUNCTION_EQ, |
| FunctionExprent.FUNCTION_NE, |
| FunctionExprent.FUNCTION_EQ, |
| FunctionExprent.FUNCTION_NE, |
| FunctionExprent.FUNCTION_LT, |
| FunctionExprent.FUNCTION_GE, |
| FunctionExprent.FUNCTION_GT, |
| FunctionExprent.FUNCTION_LE, |
| FunctionExprent.FUNCTION_EQ, |
| FunctionExprent.FUNCTION_NE, |
| FunctionExprent.FUNCTION_CADD, |
| FunctionExprent.FUNCTION_COR, |
| FunctionExprent.FUNCTION_BOOLNOT, |
| -1 |
| }; |
| |
| private Exprent condition; |
| |
| { |
| this.type = EXPRENT_IF; |
| } |
| |
| public IfExprent(int iftype, ListStack<Exprent> stack) { |
| |
| if (iftype <= IF_LE) { |
| stack.push(new ConstExprent(0, true)); |
| } |
| else if (iftype <= IF_NONNULL) { |
| stack.push(new ConstExprent(VarType.VARTYPE_NULL, null)); |
| } |
| |
| if (iftype == IF_VALUE) { |
| condition = stack.pop(); |
| } |
| else { |
| condition = new FunctionExprent(functypes[iftype], stack); |
| } |
| } |
| |
| private IfExprent(Exprent condition) { |
| this.condition = condition; |
| } |
| |
| public Exprent copy() { |
| return new IfExprent(condition.copy()); |
| } |
| |
| public List<Exprent> getAllExprents() { |
| List<Exprent> lst = new ArrayList<Exprent>(); |
| lst.add(condition); |
| return lst; |
| } |
| |
| public String toJava(int indent) { |
| return "if(" + condition.toJava(indent) + ")"; |
| } |
| |
| public boolean equals(Object o) { |
| if (o == this) return true; |
| if (o == null || !(o instanceof IfExprent)) return false; |
| |
| IfExprent ie = (IfExprent)o; |
| return InterpreterUtil.equalObjects(condition, ie.getCondition()); |
| } |
| |
| public void replaceExprent(Exprent oldexpr, Exprent newexpr) { |
| if (oldexpr == condition) { |
| condition = newexpr; |
| } |
| } |
| |
| public IfExprent negateIf() { |
| condition = new FunctionExprent(FunctionExprent.FUNCTION_BOOLNOT, |
| Arrays.asList(new Exprent[]{condition})); |
| return this; |
| } |
| |
| public Exprent getCondition() { |
| return condition; |
| } |
| |
| public void setCondition(Exprent condition) { |
| this.condition = condition; |
| } |
| } |