1 files changed, 184 insertions, 0 deletions
diff --git a/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/struct/attr/StructAnnotationAttribute.java b/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/struct/attr/StructAnnotationAttribute.java
new file mode 100644
index 000000000000..d04cb04166d5
--- /dev/null
+++ b/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/struct/attr/StructAnnotationAttribute.java
@@ -0,0 +1,184 @@
+/*
+ * 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.struct.attr;
+
+import org.jetbrains.java.decompiler.code.CodeConstants;
+import org.jetbrains.java.decompiler.modules.decompiler.exps.*;
+import org.jetbrains.java.decompiler.struct.consts.ConstantPool;
+import org.jetbrains.java.decompiler.struct.consts.PrimitiveConstant;
+import org.jetbrains.java.decompiler.struct.gen.FieldDescriptor;
+import org.jetbrains.java.decompiler.struct.gen.VarType;
+
+import java.io.DataInputStream;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+public class StructAnnotationAttribute extends StructGeneralAttribute {
+
+  private List<AnnotationExprent> annotations;
+
+  @Override
+  public void initContent(ConstantPool pool) throws IOException {
+    annotations = parseAnnotations(pool, stream());
+  }
+
+  public static List<AnnotationExprent> parseAnnotations(ConstantPool pool, DataInputStream data) throws IOException {
+    int len = data.readUnsignedShort();
+    if (len > 0) {
+      List<AnnotationExprent> annotations = new ArrayList<AnnotationExprent>(len);
+      for (int i = 0; i < len; i++) {
+        annotations.add(parseAnnotation(data, pool));
+      }
+      return annotations;
+    }
+    else {
+      return Collections.emptyList();
+    }
+  }
+
+  public static AnnotationExprent parseAnnotation(DataInputStream data, ConstantPool pool) throws IOException {
+    String className = pool.getPrimitiveConstant(data.readUnsignedShort()).getString();
+
+    List<String> names;
+    List<Exprent> values;
+    int len = data.readUnsignedShort();
+    if (len > 0) {
+      names = new ArrayList<String>(len);
+      values = new ArrayList<Exprent>(len);
+      for (int i = 0; i < len; i++) {
+        names.add(pool.getPrimitiveConstant(data.readUnsignedShort()).getString());
+        values.add(parseAnnotationElement(data, pool));
+      }
+    }
+    else {
+      names = Collections.emptyList();
+      values = Collections.emptyList();
+    }
+
+    return new AnnotationExprent(new VarType(className).value, names, values);
+  }
+
+  public static Exprent parseAnnotationElement(DataInputStream data, ConstantPool pool) throws IOException {
+    int tag = data.readUnsignedByte();
+
+    switch (tag) {
+      case 'e': // enum constant
+        String className = pool.getPrimitiveConstant(data.readUnsignedShort()).getString();
+        String constName = pool.getPrimitiveConstant(data.readUnsignedShort()).getString();
+        FieldDescriptor descr = FieldDescriptor.parseDescriptor(className);
+        return new FieldExprent(constName, descr.type.value, true, null, descr);
+
+      case 'c': // class
+        String descriptor = pool.getPrimitiveConstant(data.readUnsignedShort()).getString();
+        VarType type = FieldDescriptor.parseDescriptor(descriptor).type;
+
+        String value;
+        switch (type.type) {
+          case CodeConstants.TYPE_OBJECT:
+            value = type.value;
+            break;
+          case CodeConstants.TYPE_BYTE:
+            value = byte.class.getName();
+            break;
+          case CodeConstants.TYPE_CHAR:
+            value = char.class.getName();
+            break;
+          case CodeConstants.TYPE_DOUBLE:
+            value = double.class.getName();
+            break;
+          case CodeConstants.TYPE_FLOAT:
+            value = float.class.getName();
+            break;
+          case CodeConstants.TYPE_INT:
+            value = int.class.getName();
+            break;
+          case CodeConstants.TYPE_LONG:
+            value = long.class.getName();
+            break;
+          case CodeConstants.TYPE_SHORT:
+            value = short.class.getName();
+            break;
+          case CodeConstants.TYPE_BOOLEAN:
+            value = boolean.class.getName();
+            break;
+          case CodeConstants.TYPE_VOID:
+            value = void.class.getName();
+            break;
+          default:
+            throw new RuntimeException("invalid class type: " + type.type);
+        }
+        return new ConstExprent(VarType.VARTYPE_CLASS, value);
+
+      case '[': // array
+        List<Exprent> elements = Collections.emptyList();
+        int len = data.readUnsignedShort();
+        if (len > 0) {
+          elements = new ArrayList<Exprent>(len);
+          for (int i = 0; i < len; i++) {
+            elements.add(parseAnnotationElement(data, pool));
+          }
+        }
+
+        VarType newType;
+        if (elements.isEmpty()) {
+          newType = new VarType(CodeConstants.TYPE_OBJECT, 1, "java/lang/Object");
+        }
+        else {
+          VarType elementType = elements.get(0).getExprType();
+          newType = new VarType(elementType.type, 1, elementType.value);
+        }
+
+        NewExprent newExpr = new NewExprent(newType, Collections.<Exprent>emptyList());
+        newExpr.setDirectArrayInit(true);
+        newExpr.setLstArrayElements(elements);
+        return newExpr;
+
+      case '@': // annotation
+        return parseAnnotation(data, pool);
+
+      default:
+        PrimitiveConstant cn = pool.getPrimitiveConstant(data.readUnsignedShort());
+        switch (tag) {
+          case 'B':
+            return new ConstExprent(VarType.VARTYPE_BYTE, cn.value);
+          case 'C':
+            return new ConstExprent(VarType.VARTYPE_CHAR, cn.value);
+          case 'D':
+            return new ConstExprent(VarType.VARTYPE_DOUBLE, cn.value);
+          case 'F':
+            return new ConstExprent(VarType.VARTYPE_FLOAT, cn.value);
+          case 'I':
+            return new ConstExprent(VarType.VARTYPE_INT, cn.value);
+          case 'J':
+            return new ConstExprent(VarType.VARTYPE_LONG, cn.value);
+          case 'S':
+            return new ConstExprent(VarType.VARTYPE_SHORT, cn.value);
+          case 'Z':
+            return new ConstExprent(VarType.VARTYPE_BOOLEAN, cn.value);
+          case 's':
+            return new ConstExprent(VarType.VARTYPE_STRING, cn.value);
+          default:
+            throw new RuntimeException("invalid element type!");
+        }
+    }
+  }
+
+  public List<AnnotationExprent> getAnnotations() {
+    return annotations;
+  }
+}