1 files changed, 86 insertions, 0 deletions
diff --git a/src/proguard/classfile/editor/BootstrapMethodInfoAdder.java b/src/proguard/classfile/editor/BootstrapMethodInfoAdder.java
new file mode 100644
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+++ b/src/proguard/classfile/editor/BootstrapMethodInfoAdder.java
@@ -0,0 +1,86 @@
+/*
+ * ProGuard -- shrinking, optimization, obfuscation, and preverification
+ *             of Java bytecode.
+ *
+ * Copyright (c) 2002-2014 Eric Lafortune (eric@graphics.cornell.edu)
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+package proguard.classfile.editor;
+
+import proguard.classfile.*;
+import proguard.classfile.attribute.*;
+import proguard.classfile.attribute.visitor.BootstrapMethodInfoVisitor;
+
+/**
+ * This BootstrapMethodInfoVisitor adds all bootstrap methods that it visits to
+ * the given target bootstrap methods attribute.
+ */
+public class BootstrapMethodInfoAdder
+implements   BootstrapMethodInfoVisitor
+{
+    private final ConstantAdder                   constantAdder;
+    private final BootstrapMethodsAttributeEditor bootstrapMethodsAttributeEditor;
+
+    private int bootstrapMethodIndex;
+
+
+    /**
+     * Creates a new BootstrapMethodInfoAdder that will copy bootstrap methods
+     * into the given bootstrap methods attribute.
+     */
+    public BootstrapMethodInfoAdder(ProgramClass              targetClass,
+                                    BootstrapMethodsAttribute targetBootstrapMethodsAttribute)
+    {
+        this.constantAdder                   = new ConstantAdder(targetClass);
+        this.bootstrapMethodsAttributeEditor = new BootstrapMethodsAttributeEditor(targetBootstrapMethodsAttribute);
+    }
+
+
+    /**
+     * Returns the index of the most recently added bootstrap method.
+     */
+    public int getBootstrapMethodIndex()
+    {
+        return bootstrapMethodIndex;
+    }
+
+
+    // Implementations for BootstrapMethodInfoVisitor.
+
+    public void visitBootstrapMethodInfo(Clazz clazz, BootstrapMethodInfo bootstrapMethodInfo)
+    {
+        // Copy the method arguments.
+        int   methodArgumentCount = bootstrapMethodInfo.u2methodArgumentCount;
+        int[] methodArguments     = bootstrapMethodInfo.u2methodArguments;
+        int[] newMethodArguments  = new int[methodArgumentCount];
+
+        for (int index = 0; index < methodArgumentCount; index++)
+        {
+            newMethodArguments[index] =
+                constantAdder.addConstant(clazz, methodArguments[index]);
+        }
+
+        // Create a new bootstrap method.
+        BootstrapMethodInfo newBootstrapMethodInfo =
+            new BootstrapMethodInfo(constantAdder.addConstant(clazz, bootstrapMethodInfo.u2methodHandleIndex),
+                                    methodArgumentCount,
+                                    newMethodArguments);
+
+        // Add it to the target.
+        bootstrapMethodIndex =
+            bootstrapMethodsAttributeEditor.addBootstrapMethodInfo(newBootstrapMethodInfo);
+    }
+}
+\ No newline at end of file