diff options
Diffstat (limited to 'third_party/java/proguard/proguard5.3.3/src/proguard/classfile/constant/StringConstant.java')
-rw-r--r-- | third_party/java/proguard/proguard5.3.3/src/proguard/classfile/constant/StringConstant.java | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/third_party/java/proguard/proguard5.3.3/src/proguard/classfile/constant/StringConstant.java b/third_party/java/proguard/proguard5.3.3/src/proguard/classfile/constant/StringConstant.java new file mode 100644 index 0000000000..42509a1cd7 --- /dev/null +++ b/third_party/java/proguard/proguard5.3.3/src/proguard/classfile/constant/StringConstant.java @@ -0,0 +1,135 @@ +/* + * ProGuard -- shrinking, optimization, obfuscation, and preverification + * of Java bytecode. + * + * Copyright (c) 2002-2017 Eric Lafortune @ GuardSquare + * + * 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; +import proguard.classfile.visitor.*; + +/** + * This Constant represents a string constant in the constant pool. + * + * @author Eric Lafortune + */ +public class StringConstant extends Constant +{ + public int u2stringIndex; + + /** + * An extra field pointing to the referenced Clazz object, if this + * string is being used in Class.forName(), .class, or + * Class.getDeclaredField/Method constructs. + * This field is typically filled out by the <code>{@link + * proguard.classfile.util.DynamicClassReferenceInitializer + * DynamicClassReferenceInitializer}</code> or by the <code>{@link + * proguard.classfile.util.DynamicMemberReferenceInitializer + * DynamicMemberReferenceInitializer}</code>. + */ + public Clazz referencedClass; + + /** + * An extra field pointing to the referenced Member object, if this + * string is being used in Class.getDeclaredField/Method constructs. + * This field is typically filled out by the <code>{@link + * proguard.classfile.util.DynamicMemberReferenceInitializer + * DynamicMemberReferenceInitializer}</code>. + */ + public Member referencedMember; + + /** + * An extra field pointing to the java.lang.String Clazz object. + * This field is typically filled out by the <code>{@link + * proguard.classfile.util.ClassReferenceInitializer + * ClassReferenceInitializer}</code>.. + */ + public Clazz javaLangStringClass; + + + /** + * Creates an uninitialized StringConstant. + */ + public StringConstant() + { + } + + + /** + * Creates a new StringConstant with the given string index. + * @param u2stringIndex the index of the string in the constant pool. + * @param referencedClass the referenced class, if any. + * @param referenceMember the referenced class member, if any. + */ + public StringConstant(int u2stringIndex, + Clazz referencedClass, + Member referenceMember) + { + this.u2stringIndex = u2stringIndex; + this.referencedClass = referencedClass; + this.referencedMember = referenceMember; + } + + + /** + * Returns the string value. + */ + public String getString(Clazz clazz) + { + return clazz.getString(u2stringIndex); + } + + + // Implementations for Constant. + + public int getTag() + { + return ClassConstants.CONSTANT_String; + } + + public void accept(Clazz clazz, ConstantVisitor constantVisitor) + { + constantVisitor.visitStringConstant(clazz, this); + } + + + /** + * Lets the referenced class accept the given visitor. + */ + public void referencedClassAccept(ClassVisitor classVisitor) + { + if (referencedClass != null && + referencedMember == null) + { + referencedClass.accept(classVisitor); + } + } + + + /** + * Lets the referenced member accept the given visitor. + */ + public void referencedMemberAccept(MemberVisitor memberVisitor) + { + if (referencedMember != null) + { + referencedMember.accept(referencedClass, memberVisitor); + } + } +} |