1 files changed, 151 insertions, 0 deletions
diff --git a/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/modules/decompiler/exps/ExitExprent.java b/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/modules/decompiler/exps/ExitExprent.java
new file mode 100644
index 000000000000..7a5013432952
--- /dev/null
+++ b/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/modules/decompiler/exps/ExitExprent.java
@@ -0,0 +1,151 @@
+/*
+ * 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.code.CodeConstants;
+import org.jetbrains.java.decompiler.main.ClassesProcessor.ClassNode;
+import org.jetbrains.java.decompiler.main.DecompilerContext;
+import org.jetbrains.java.decompiler.main.rels.MethodWrapper;
+import org.jetbrains.java.decompiler.modules.decompiler.ExprProcessor;
+import org.jetbrains.java.decompiler.modules.decompiler.vars.CheckTypesResult;
+import org.jetbrains.java.decompiler.struct.attr.StructExceptionsAttribute;
+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 ExitExprent extends Exprent {
+
+  public static final int EXIT_RETURN = 0;
+  public static final int EXIT_THROW = 1;
+
+  // return or throw statement
+  private int exittype;
+
+  private Exprent value;
+
+  private VarType rettype;
+
+  {
+    this.type = EXPRENT_EXIT;
+  }
+
+  public ExitExprent(int exittype, Exprent value, VarType rettype) {
+    this.exittype = exittype;
+    this.value = value;
+    this.rettype = rettype;
+  }
+
+  public Exprent copy() {
+    return new ExitExprent(exittype, value == null ? null : value.copy(), rettype);
+  }
+
+  public CheckTypesResult checkExprTypeBounds() {
+    CheckTypesResult result = new CheckTypesResult();
+
+    if (exittype == EXIT_RETURN && rettype.type != CodeConstants.TYPE_VOID) {
+      result.addMinTypeExprent(value, VarType.getMinTypeInFamily(rettype.type_family));
+      result.addMaxTypeExprent(value, rettype);
+    }
+
+    return result;
+  }
+
+  public List<Exprent> getAllExprents() {
+    List<Exprent> lst = new ArrayList<Exprent>();
+    if (value != null) {
+      lst.add(value);
+    }
+    return lst;
+  }
+
+  public String toJava(int indent) {
+    if (exittype == EXIT_RETURN) {
+      StringBuilder buffer = new StringBuilder();
+
+      if (rettype.type != CodeConstants.TYPE_VOID) {
+        buffer.append(" ");
+        ExprProcessor.getCastedExprent(value, rettype, buffer, indent, false);
+      }
+
+      return "return" + buffer.toString();
+    }
+    else {
+
+      MethodWrapper meth = (MethodWrapper)DecompilerContext.getProperty(DecompilerContext.CURRENT_METHOD_WRAPPER);
+      ClassNode node = ((ClassNode)DecompilerContext.getProperty(DecompilerContext.CURRENT_CLASS_NODE));
+
+      if (meth != null && node != null) {
+        StructExceptionsAttribute attr = (StructExceptionsAttribute)meth.methodStruct.getAttributes().getWithKey("Exceptions");
+
+        if (attr != null) {
+          String classname = null;
+
+          for (int i = 0; i < attr.getThrowsExceptions().size(); i++) {
+            String excclassname = attr.getExcClassname(i, node.classStruct.getPool());
+            if ("java/lang/Throwable".equals(excclassname)) {
+              classname = excclassname;
+              break;
+            }
+            else if ("java/lang/Exception".equals(excclassname)) {
+              classname = excclassname;
+            }
+          }
+
+          if (classname != null) {
+            VarType exctype = new VarType(classname, true);
+
+            StringBuilder buffer = new StringBuilder();
+            ExprProcessor.getCastedExprent(value, exctype, buffer, indent, false);
+
+            return "throw " + buffer.toString();
+          }
+        }
+      }
+
+      return "throw " + value.toJava(indent);
+    }
+  }
+
+  public boolean equals(Object o) {
+    if (o == this) return true;
+    if (o == null || !(o instanceof ExitExprent)) return false;
+
+    ExitExprent et = (ExitExprent)o;
+    return exittype == et.getExittype() &&
+           InterpreterUtil.equalObjects(value, et.getValue());
+  }
+
+  public void replaceExprent(Exprent oldexpr, Exprent newexpr) {
+    if (oldexpr == value) {
+      value = newexpr;
+    }
+  }
+
+  public int getExittype() {
+    return exittype;
+  }
+
+  public Exprent getValue() {
+    return value;
+  }
+
+  public VarType getRettype() {
+    return rettype;
+  }
+}