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Diffstat (limited to 'src/proguard/classfile/constant/MethodHandleConstant.java')
-rwxr-xr-x | src/proguard/classfile/constant/MethodHandleConstant.java | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/src/proguard/classfile/constant/MethodHandleConstant.java b/src/proguard/classfile/constant/MethodHandleConstant.java new file mode 100755 index 0000000..c2e068e --- /dev/null +++ b/src/proguard/classfile/constant/MethodHandleConstant.java @@ -0,0 +1,124 @@ +/* + * ProGuard -- shrinking, optimization, obfuscation, and preverification + * of Java bytecode. + * + * Copyright (c) 2002-2011 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.ConstantVisitor; + +/** + * This Constant represents a method handle constant in the constant pool. + * + * @author Eric Lafortune + */ +public class MethodHandleConstant extends Constant +{ + public int u1referenceKind; + public int u2referenceIndex; + + + /** + * An extra field pointing to the java.lang.invoke.MethodHandle Clazz object. + * This field is typically filled out by the <code>{@link + * proguard.classfile.util.ClassReferenceInitializer + * ClassReferenceInitializer}</code>.. + */ + public Clazz javaLangInvokeMethodHandleClass; + + + /** + * Creates an uninitialized MethodHandleConstant. + */ + public MethodHandleConstant() + { + } + + + /** + * Creates a new MethodHandleConstant with the given type and method ref + * index. + * @param u1referenceKind the reference kind. + * @param u2referenceIndex the index of the field ref constant, interface + * method ref constant, or method ref constant in + * the constant pool. + */ + public MethodHandleConstant(int u1referenceKind, int u2referenceIndex) + { + this.u1referenceKind = u1referenceKind; + this.u2referenceIndex = u2referenceIndex; + } + + + /** + * Returns the kind of reference to which this constant is pointing. + * @return One of + * {@link ClassConstants#REF_getField }, + * {@link ClassConstants#REF_getStatic }, + * {@link ClassConstants#REF_putField }, + * {@link ClassConstants#REF_putStatic }, + * {@link ClassConstants#REF_invokeVirtual }, + * {@link ClassConstants#REF_invokeStatic }, + * {@link ClassConstants#REF_invokeSpecial }, + * {@link ClassConstants#REF_newInvokeSpecial}, or + * {@link ClassConstants#REF_invokeInterface }. + */ + public int getReferenceKind() + { + return u1referenceKind; + } + + /** + * Returns the field ref, interface method ref, or method ref index. + */ + public int getReferenceIndex() + { + return u2referenceIndex; + } + + + /** + * Returns the method/field name. + */ + public String getName(Clazz clazz) + { + return clazz.getRefName(u2referenceIndex); + } + + /** + * Returns the type. + */ + public String getType(Clazz clazz) + { + return clazz.getRefType(u2referenceIndex); + } + + + // Implementations for Constant. + + public int getTag() + { + return ClassConstants.CONSTANT_MethodHandle; + } + + public void accept(Clazz clazz, ConstantVisitor constantVisitor) + { + constantVisitor.visitMethodHandleConstant(clazz, this); + } +} |