Cleanup (duplicates extracted; formatting; typos)

src/org/jetbrains/java/decompiler/modules/decompiler/stats/Statements.java

@@ -0,0 +1,60 @@
+/*
+ * Copyright 2000-2016 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.stats;
+
+import org.jetbrains.java.decompiler.main.rels.ClassWrapper;
+import org.jetbrains.java.decompiler.main.rels.MethodWrapper;
+import org.jetbrains.java.decompiler.modules.decompiler.exps.Exprent;
+import org.jetbrains.java.decompiler.modules.decompiler.exps.InvocationExprent;
+import org.jetbrains.java.decompiler.modules.decompiler.exps.VarExprent;
+import org.jetbrains.java.decompiler.modules.decompiler.vars.VarVersionPair;
+
+public class Statements {
+  public static Statement findFirstData(Statement stat) {
+    if (stat.getExprents() != null) {
+      return stat;
+    }
+    else if (stat.isLabeled()) { // FIXME: Why??
+      return null;
+    }
+
+    switch (stat.type) {
+      case Statement.TYPE_SEQUENCE:
+      case Statement.TYPE_IF:
+      case Statement.TYPE_ROOT:
+      case Statement.TYPE_SWITCH:
+      case Statement.TYPE_SYNCRONIZED:
+        return findFirstData(stat.getFirst());
+      default:
+        return null;
+    }
+  }
+
+  public static boolean isInvocationInitConstructor(InvocationExprent inv, MethodWrapper method, ClassWrapper wrapper, boolean withThis) {
+    if (inv.getFunctype() == InvocationExprent.TYP_INIT && inv.getInstance().type == Exprent.EXPRENT_VAR) {
+      VarExprent instVar = (VarExprent)inv.getInstance();
+      VarVersionPair varPair = new VarVersionPair(instVar);
+      String classname = method.varproc.getThisVars().get(varPair);
+      if (classname != null) { // any this instance. TODO: Restrict to current class?
+        if (withThis || !wrapper.getClassStruct().qualifiedName.equals(inv.getClassname())) {
+          return true;
+        }
+      }
+    }
+
+    return false;
+  }
+}