1 files changed, 165 insertions, 0 deletions
diff --git a/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/struct/consts/LinkConstant.java b/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/struct/consts/LinkConstant.java
new file mode 100644
index 000000000000..71bf14615558
--- /dev/null
+++ b/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/struct/consts/LinkConstant.java
@@ -0,0 +1,165 @@
+/*
+ * 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.consts;
+
+import java.io.DataOutputStream;
+import java.io.IOException;
+
+/*
+ *   NameAndType, FieldRef, MethodRef, InterfaceMethodref
+ *   InvokeDynamic, MethodHandle
+ */
+
+public class LinkConstant extends PooledConstant {
+
+  // *****************************************************************************
+  // public fields
+  // *****************************************************************************
+
+  public int index1, index2;
+
+  public String classname;
+
+  public String elementname;
+
+  public String descriptor;
+
+  public int paramCount = 0;
+
+  public boolean isVoid = false;
+
+  public boolean returnCategory2 = false;
+
+
+  // *****************************************************************************
+  // constructors
+  // *****************************************************************************
+
+  public LinkConstant(int type, String classname, String elementname, String descriptor) {
+    this.type = type;
+    this.classname = classname;
+    this.elementname = elementname;
+    this.descriptor = descriptor;
+
+    initConstant();
+  }
+
+  public LinkConstant(int type, int index1, int index2) {
+    this.type = type;
+    this.index1 = index1;
+    this.index2 = index2;
+  }
+
+
+  // *****************************************************************************
+  // public methods
+  // *****************************************************************************
+
+  public void resolveConstant(ConstantPool pool) {
+
+    if (type == CONSTANT_NameAndType) {
+      elementname = pool.getPrimitiveConstant(index1).getString();
+      descriptor = pool.getPrimitiveConstant(index2).getString();
+    }
+    else if (type == CONSTANT_MethodHandle) {
+      LinkConstant ref_info = pool.getLinkConstant(index2);
+
+      classname = ref_info.classname;
+      elementname = ref_info.elementname;
+      descriptor = ref_info.descriptor;
+    }
+    else {
+      if (type != CONSTANT_InvokeDynamic) {
+        classname = pool.getPrimitiveConstant(index1).getString();
+      }
+
+      LinkConstant nametype = pool.getLinkConstant(index2);
+      elementname = nametype.elementname;
+      descriptor = nametype.descriptor;
+    }
+
+    initConstant();
+  }
+
+  public void writeToStream(DataOutputStream out) throws IOException {
+    out.writeByte(type);
+    if (type == CONSTANT_MethodHandle) {
+      out.writeByte(index1);
+    }
+    else {
+      out.writeShort(index1);
+    }
+    out.writeShort(index2);
+  }
+
+
+  public boolean equals(Object o) {
+    if (o == this) return true;
+    if (o == null || !(o instanceof LinkConstant)) return false;
+
+    LinkConstant cn = (LinkConstant)o;
+    return this.type == cn.type &&
+           this.elementname.equals(cn.elementname) &&
+           this.descriptor.equals(cn.descriptor) &&
+           (this.type != CONSTANT_NameAndType || this.classname.equals(cn.classname));
+  }
+
+  // *****************************************************************************
+  // private methods
+  // *****************************************************************************
+
+  private void initConstant() {
+
+    if (type == CONSTANT_Methodref ||
+        type == CONSTANT_InterfaceMethodref ||
+        type == CONSTANT_InvokeDynamic ||
+        type == CONSTANT_MethodHandle) {
+      resolveDescriptor(descriptor);
+    }
+    else if (type == CONSTANT_Fieldref) {
+      returnCategory2 = ("D".equals(descriptor) || "J".equals(descriptor));
+    }
+  }
+
+  private void resolveDescriptor(String descr) {
+
+    String[] arr = descr.split("[()]");
+    String par = arr[1];
+
+    int index = 0, counter = 0;
+    int len = par.length();
+
+    while (index < len) {
+
+      char c = par.charAt(index);
+      if (c == 'L') {
+        index = par.indexOf(";", index);
+      }
+      else if (c == '[') {
+        index++;
+        continue;
+      }
+
+      counter++;
+      index++;
+    }
+
+    paramCount = counter;
+    isVoid = "V".equals(arr[2]);
+    returnCategory2 = ("D".equals(arr[2]) || "J".equals(arr[2]));
+  }
+}
+