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Diffstat (limited to 'src/proguard/classfile/constant/InvokeDynamicConstant.java')
-rwxr-xr-x | src/proguard/classfile/constant/InvokeDynamicConstant.java | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/src/proguard/classfile/constant/InvokeDynamicConstant.java b/src/proguard/classfile/constant/InvokeDynamicConstant.java new file mode 100755 index 0000000..57474aa --- /dev/null +++ b/src/proguard/classfile/constant/InvokeDynamicConstant.java @@ -0,0 +1,148 @@ +/* + * ProGuard -- shrinking, optimization, obfuscation, and preverification + * of Java bytecode. + * + * Copyright (c) 2002-2013 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.constant; + +import proguard.classfile.*; +import proguard.classfile.constant.visitor.*; +import proguard.classfile.visitor.*; + +/** + * This Constant represents an invoke dynamic constant in the constant pool. + * + * @author Eric Lafortune + */ +public class InvokeDynamicConstant extends Constant +{ + public int u2bootstrapMethodAttributeIndex; + public int u2nameAndTypeIndex; + + /** + * An extra field pointing to the Clazz objects referenced in the + * descriptor string. This field is filled out by the <code>{@link + * proguard.classfile.util.ClassReferenceInitializer ClassReferenceInitializer}</code>. + * References to primitive types are ignored. + */ + public Clazz[] referencedClasses; + + + /** + * Creates an uninitialized InvokeDynamicConstant. + */ + public InvokeDynamicConstant() + { + } + + + /** + * Creates a new InvokeDynamicConstant with the given bootstrap method + * and name-and-type indices. + * @param u2bootstrapMethodAttributeIndex the index of the bootstrap method + * entry in the bootstrap methods + * attribute. + * @param u2nameAndTypeIndex the index of the name and type + * entry in the constant pool. + * @param referencedClasses the classes referenced by the + * type. + */ + public InvokeDynamicConstant(int u2bootstrapMethodAttributeIndex, + int u2nameAndTypeIndex, + Clazz[] referencedClasses) + { + this.u2bootstrapMethodAttributeIndex = u2bootstrapMethodAttributeIndex; + this.u2nameAndTypeIndex = u2nameAndTypeIndex; + this.referencedClasses = referencedClasses; + } + + + /** + * Returns the index of the bootstrap method in the bootstrap methods + * attribute of the class. + */ + public int getBootstrapMethodAttributeIndex() + { + return u2bootstrapMethodAttributeIndex; + } + + /** + * Returns the name-and-type index. + */ + public int getNameAndTypeIndex() + { + return u2nameAndTypeIndex; + } + + /** + * Returns the method name. + */ + public String getName(Clazz clazz) + { + return clazz.getName(u2nameAndTypeIndex); + } + + /** + * Returns the method type. + */ + public String getType(Clazz clazz) + { + return clazz.getType(u2nameAndTypeIndex); + } + + + /** + * Lets the Clazz objects referenced in the descriptor string + * accept the given visitor. + */ + public void referencedClassesAccept(ClassVisitor classVisitor) + { + if (referencedClasses != null) + { + for (int index = 0; index < referencedClasses.length; index++) + { + if (referencedClasses[index] != null) + { + referencedClasses[index].accept(classVisitor); + } + } + } + } + + + /** + * Lets the bootstrap method handle constant accept the given visitor. + */ + public void bootstrapMethodHandleAccept(Clazz clazz, ConstantVisitor constantVisitor) + { + new BootstrapMethodHandleTraveler(constantVisitor).visitInvokeDynamicConstant(clazz, this); + } + + + // Implementations for Constant. + + public int getTag() + { + return ClassConstants.CONSTANT_InvokeDynamic; + } + + public void accept(Clazz clazz, ConstantVisitor constantVisitor) + { + constantVisitor.visitInvokeDynamicConstant(clazz, this); + } +} |