1 files changed, 126 insertions, 0 deletions
diff --git a/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/modules/decompiler/exps/ArrayExprent.java b/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/modules/decompiler/exps/ArrayExprent.java
new file mode 100644
index 000000000000..e5ead9d7c184
--- /dev/null
+++ b/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/modules/decompiler/exps/ArrayExprent.java
@@ -0,0 +1,126 @@
+/*
+ * 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;
+  }
+}