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Diffstat (limited to 'src/proguard/classfile/util/DynamicMemberReferenceInitializer.java')
| -rw-r--r-- | src/proguard/classfile/util/DynamicMemberReferenceInitializer.java | 942 |
1 files changed, 0 insertions, 942 deletions
diff --git a/src/proguard/classfile/util/DynamicMemberReferenceInitializer.java b/src/proguard/classfile/util/DynamicMemberReferenceInitializer.java deleted file mode 100644 index e35063c..0000000 --- a/src/proguard/classfile/util/DynamicMemberReferenceInitializer.java +++ /dev/null @@ -1,942 +0,0 @@ -/* - * 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.util; - -import proguard.classfile.*; -import proguard.classfile.attribute.CodeAttribute; -import proguard.classfile.constant.*; -import proguard.classfile.constant.visitor.ConstantVisitor; -import proguard.classfile.instruction.*; -import proguard.classfile.instruction.visitor.InstructionVisitor; -import proguard.classfile.visitor.*; -import proguard.util.StringMatcher; - -/** - * This InstructionVisitor initializes any constant - * <code>Class.get[Declared]{Field,Method}</code> references of all instructions - * it visits. More specifically, it fills out the references of string constant - * pool entries that refer to a class member in the program class pool or in the - * library class pool. - * <p> - * It optionally prints notes if on usage of - * <code>(SomeClass)Class.forName(variable).newInstance()</code>. - * <p> - * The class hierarchy and references must be initialized before using this - * visitor. - * - * @see ClassSuperHierarchyInitializer - * @see ClassReferenceInitializer - * - * @author Eric Lafortune - */ -public class DynamicMemberReferenceInitializer -extends SimplifiedVisitor -implements InstructionVisitor, - ConstantVisitor, - MemberVisitor -{ - //* - private static final boolean DEBUG = false; - /*/ - private static boolean DEBUG = true; - //*/ - - public static final int CLASS_INDEX = InstructionSequenceMatcher.X; - public static final int MEMBER_NAME_INDEX = InstructionSequenceMatcher.Y; - public static final int TYPE_CLASS_INDEX = InstructionSequenceMatcher.Z; - - public static final int PARAMETER0_CLASS_INDEX = InstructionSequenceMatcher.A; - public static final int PARAMETER1_CLASS_INDEX = InstructionSequenceMatcher.B; - public static final int PARAMETER2_CLASS_INDEX = InstructionSequenceMatcher.C; - public static final int PARAMETER3_CLASS_INDEX = InstructionSequenceMatcher.D; - - - private final Constant[] GET_FIELD_CONSTANTS = new Constant[] - { - new MethodrefConstant(1, 2, null, null), - new ClassConstant(3, null), - new NameAndTypeConstant(4, 5), - new Utf8Constant(ClassConstants.NAME_JAVA_LANG_CLASS), - new Utf8Constant(ClassConstants.METHOD_NAME_CLASS_GET_FIELD), - new Utf8Constant(ClassConstants.METHOD_TYPE_CLASS_GET_FIELD), - }; - - private final Constant[] GET_DECLARED_FIELD_CONSTANTS = new Constant[] - { - new MethodrefConstant(1, 2, null, null), - new ClassConstant(3, null), - new NameAndTypeConstant(4, 5), - new Utf8Constant(ClassConstants.NAME_JAVA_LANG_CLASS), - new Utf8Constant(ClassConstants.METHOD_NAME_CLASS_GET_DECLARED_FIELD), - new Utf8Constant(ClassConstants.METHOD_TYPE_CLASS_GET_DECLARED_FIELD), - }; - - private final Constant[] GET_CONSTRUCTOR_CONSTANTS = new Constant[] - { - new MethodrefConstant(1, 2, null, null), - new ClassConstant(3, null), - new NameAndTypeConstant(4, 5), - new Utf8Constant(ClassConstants.NAME_JAVA_LANG_CLASS), - new Utf8Constant(ClassConstants.CONSTRUCTOR_NAME_CLASS_GET_CONSTRUCTOR), - new Utf8Constant(ClassConstants.CONSTRUCTOR_TYPE_CLASS_GET_CONSTRUCTOR), - }; - - private final Constant[] GET_DECLARED_CONSTRUCTOR_CONSTANTS = new Constant[] - { - new MethodrefConstant(1, 2, null, null), - new ClassConstant(3, null), - new NameAndTypeConstant(4, 5), - new Utf8Constant(ClassConstants.NAME_JAVA_LANG_CLASS), - new Utf8Constant(ClassConstants.CONSTRUCTOR_NAME_CLASS_GET_DECLARED_CONSTRUCTOR), - new Utf8Constant(ClassConstants.CONSTRUCTOR_TYPE_CLASS_GET_DECLARED_CONSTRUCTOR), - }; - - private final Constant[] GET_METHOD_CONSTANTS = new Constant[] - { - new MethodrefConstant(1, 2, null, null), - new ClassConstant(3, null), - new NameAndTypeConstant(4, 5), - new Utf8Constant(ClassConstants.NAME_JAVA_LANG_CLASS), - new Utf8Constant(ClassConstants.METHOD_NAME_CLASS_GET_METHOD), - new Utf8Constant(ClassConstants.METHOD_TYPE_CLASS_GET_METHOD), - }; - - private final Constant[] GET_DECLARED_METHOD_CONSTANTS = new Constant[] - { - new MethodrefConstant(1, 2, null, null), - new ClassConstant(3, null), - new NameAndTypeConstant(4, 5), - new Utf8Constant(ClassConstants.NAME_JAVA_LANG_CLASS), - new Utf8Constant(ClassConstants.METHOD_NAME_CLASS_GET_DECLARED_METHOD), - new Utf8Constant(ClassConstants.METHOD_TYPE_CLASS_GET_DECLARED_METHOD), - }; - - private final Constant[] NEW_INTEGER_UPDATER_CONSTANTS = new Constant[] - { - new MethodrefConstant(1, 2, null, null), - new ClassConstant(3, null), - new NameAndTypeConstant(4, 5), - new Utf8Constant(ClassConstants.NAME_JAVA_UTIL_CONCURRENT_ATOMIC_ATOMIC_INTEGER_FIELD_UPDATER), - new Utf8Constant(ClassConstants.METHOD_NAME_NEW_UPDATER), - new Utf8Constant(ClassConstants.METHOD_TYPE_NEW_INTEGER_UPDATER), - }; - - private final Constant[] NEW_LONG_UPDATER_CONSTANTS = new Constant[] - { - new MethodrefConstant(1, 2, null, null), - new ClassConstant(3, null), - new NameAndTypeConstant(4, 5), - new Utf8Constant(ClassConstants.NAME_JAVA_UTIL_CONCURRENT_ATOMIC_ATOMIC_LONG_FIELD_UPDATER), - new Utf8Constant(ClassConstants.METHOD_NAME_NEW_UPDATER), - new Utf8Constant(ClassConstants.METHOD_TYPE_NEW_LONG_UPDATER), - }; - - private final Constant[] NEW_REFERENCE_UPDATER_CONSTANTS = new Constant[] - { - new MethodrefConstant(1, 2, null, null), - new ClassConstant(3, null), - new NameAndTypeConstant(4, 5), - new Utf8Constant(ClassConstants.NAME_JAVA_UTIL_CONCURRENT_ATOMIC_ATOMIC_REFERENCE_FIELD_UPDATER), - new Utf8Constant(ClassConstants.METHOD_NAME_NEW_UPDATER), - new Utf8Constant(ClassConstants.METHOD_TYPE_NEW_REFERENCE_UPDATER), - }; - - // SomeClass.class.get[Declared]Field("someField"). - private final Instruction[] CONSTANT_GET_FIELD_INSTRUCTIONS = new Instruction[] - { - new ConstantInstruction(InstructionConstants.OP_LDC, CLASS_INDEX), - new ConstantInstruction(InstructionConstants.OP_LDC, MEMBER_NAME_INDEX), - new ConstantInstruction(InstructionConstants.OP_INVOKEVIRTUAL, 0), - }; - -// // SomeClass.class.get[Declared]Constructor(new Class[] {}). -// private final Instruction[] CONSTANT_GET_CONSTRUCTOR_INSTRUCTIONS0 = new Instruction[] -// { -// new ConstantInstruction(InstructionConstants.OP_LDC, CLASS_INDEX), -// new SimpleInstruction(InstructionConstants.OP_ICONST_0), -// new ConstantInstruction(InstructionConstants.OP_ANEWARRAY, 1), -// new ConstantInstruction(InstructionConstants.OP_INVOKEVIRTUAL, 0), -// }; -// -// // SomeClass.class.get[Declared]Constructor(new Class[] { A.class }). -// private final Instruction[] CONSTANT_GET_CONSTRUCTOR_INSTRUCTIONS1 = new Instruction[] -// { -// new ConstantInstruction(InstructionConstants.OP_LDC, CLASS_INDEX), -// new SimpleInstruction(InstructionConstants.OP_ICONST_1), -// new ConstantInstruction(InstructionConstants.OP_ANEWARRAY, 1), -// new SimpleInstruction(InstructionConstants.OP_DUP), -// new SimpleInstruction(InstructionConstants.OP_ICONST_0), -// new ConstantInstruction(InstructionConstants.OP_LDC, PARAMETER0_CLASS_INDEX), -// new SimpleInstruction(InstructionConstants.OP_AASTORE), -// new ConstantInstruction(InstructionConstants.OP_INVOKEVIRTUAL, 0), -// }; -// -// // SomeClass.class.get[Declared]Constructor(new Class[] { A.class, B.class }). -// private final Instruction[] CONSTANT_GET_CONSTRUCTOR_INSTRUCTIONS2 = new Instruction[] -// { -// new ConstantInstruction(InstructionConstants.OP_LDC, CLASS_INDEX), -// new SimpleInstruction(InstructionConstants.OP_ICONST_2), -// new ConstantInstruction(InstructionConstants.OP_ANEWARRAY, 1), -// new SimpleInstruction(InstructionConstants.OP_DUP), -// new SimpleInstruction(InstructionConstants.OP_ICONST_0), -// new ConstantInstruction(InstructionConstants.OP_LDC, PARAMETER0_CLASS_INDEX), -// new SimpleInstruction(InstructionConstants.OP_AASTORE), -// new SimpleInstruction(InstructionConstants.OP_DUP), -// new SimpleInstruction(InstructionConstants.OP_ICONST_1), -// new ConstantInstruction(InstructionConstants.OP_LDC, PARAMETER1_CLASS_INDEX), -// new SimpleInstruction(InstructionConstants.OP_AASTORE), -// new ConstantInstruction(InstructionConstants.OP_INVOKEVIRTUAL, 0), -// }; - - // SomeClass.class.get[Declared]Method("someMethod", new Class[] {}). - private final Instruction[] CONSTANT_GET_METHOD_INSTRUCTIONS0 = new Instruction[] - { - new ConstantInstruction(InstructionConstants.OP_LDC, CLASS_INDEX), - new ConstantInstruction(InstructionConstants.OP_LDC, MEMBER_NAME_INDEX), - new SimpleInstruction(InstructionConstants.OP_ICONST_0), - new ConstantInstruction(InstructionConstants.OP_ANEWARRAY, 1), - new ConstantInstruction(InstructionConstants.OP_INVOKEVIRTUAL, 0), - }; - - // SomeClass.class.get[Declared]Method("someMethod", new Class[] { A.class }). - private final Instruction[] CONSTANT_GET_METHOD_INSTRUCTIONS1 = new Instruction[] - { - new ConstantInstruction(InstructionConstants.OP_LDC, CLASS_INDEX), - new ConstantInstruction(InstructionConstants.OP_LDC, MEMBER_NAME_INDEX), - new SimpleInstruction(InstructionConstants.OP_ICONST_1), - new ConstantInstruction(InstructionConstants.OP_ANEWARRAY, 1), - new SimpleInstruction(InstructionConstants.OP_DUP), - new SimpleInstruction(InstructionConstants.OP_ICONST_0), - new ConstantInstruction(InstructionConstants.OP_LDC, PARAMETER0_CLASS_INDEX), - new SimpleInstruction(InstructionConstants.OP_AASTORE), - new ConstantInstruction(InstructionConstants.OP_INVOKEVIRTUAL, 0), - }; - - // SomeClass.class.get[Declared]Method("someMethod", new Class[] { A.class, B.class }). - private final Instruction[] CONSTANT_GET_METHOD_INSTRUCTIONS2 = new Instruction[] - { - new ConstantInstruction(InstructionConstants.OP_LDC, CLASS_INDEX), - new ConstantInstruction(InstructionConstants.OP_LDC, MEMBER_NAME_INDEX), - new SimpleInstruction(InstructionConstants.OP_ICONST_2), - new ConstantInstruction(InstructionConstants.OP_ANEWARRAY, 1), - new SimpleInstruction(InstructionConstants.OP_DUP), - new SimpleInstruction(InstructionConstants.OP_ICONST_0), - new ConstantInstruction(InstructionConstants.OP_LDC, PARAMETER0_CLASS_INDEX), - new SimpleInstruction(InstructionConstants.OP_AASTORE), - new SimpleInstruction(InstructionConstants.OP_DUP), - new SimpleInstruction(InstructionConstants.OP_ICONST_1), - new ConstantInstruction(InstructionConstants.OP_LDC, PARAMETER1_CLASS_INDEX), - new SimpleInstruction(InstructionConstants.OP_AASTORE), - new ConstantInstruction(InstructionConstants.OP_INVOKEVIRTUAL, 0), - }; - - // AtomicIntegerFieldUpdater.newUpdater(A.class, "someField"). - // AtomicLongFieldUpdater.newUpdater(A.class, "someField"). - private final Instruction[] CONSTANT_NEW_PRIMITIVE_UPDATER_INSTRUCTIONS = new Instruction[] - { - new ConstantInstruction(InstructionConstants.OP_LDC, CLASS_INDEX), - new ConstantInstruction(InstructionConstants.OP_LDC, MEMBER_NAME_INDEX), - new ConstantInstruction(InstructionConstants.OP_INVOKESTATIC, 0), - }; - - // AtomicReferenceFieldUpdater.newUpdater(A.class, B.class, "someField"). - private final Instruction[] CONSTANT_NEW_REFERENCE_UPDATER_INSTRUCTIONS = new Instruction[] - { - new ConstantInstruction(InstructionConstants.OP_LDC, CLASS_INDEX), - new ConstantInstruction(InstructionConstants.OP_LDC, TYPE_CLASS_INDEX), - new ConstantInstruction(InstructionConstants.OP_LDC, MEMBER_NAME_INDEX), - new ConstantInstruction(InstructionConstants.OP_INVOKESTATIC, 0), - }; - - // get[Declared]Field("someField"). - private final Instruction[] GET_FIELD_INSTRUCTIONS = new Instruction[] - { - new ConstantInstruction(InstructionConstants.OP_LDC, MEMBER_NAME_INDEX), - new ConstantInstruction(InstructionConstants.OP_INVOKEVIRTUAL, 0), - }; - -// // get[Declared]Constructor(new Class[] {}). -// private final Instruction[] GET_CONSTRUCTOR_INSTRUCTIONS0 = new Instruction[] -// { -// new SimpleInstruction(InstructionConstants.OP_ICONST_0), -// new ConstantInstruction(InstructionConstants.OP_ANEWARRAY, 1), -// new ConstantInstruction(InstructionConstants.OP_INVOKEVIRTUAL, 0), -// }; - - // get[Declared]Constructor(new Class[] { A.class }). - private final Instruction[] GET_CONSTRUCTOR_INSTRUCTIONS1 = new Instruction[] - { - new SimpleInstruction(InstructionConstants.OP_ICONST_1), - new ConstantInstruction(InstructionConstants.OP_ANEWARRAY, 1), - new SimpleInstruction(InstructionConstants.OP_DUP), - new SimpleInstruction(InstructionConstants.OP_ICONST_0), - new ConstantInstruction(InstructionConstants.OP_LDC, PARAMETER0_CLASS_INDEX), - new SimpleInstruction(InstructionConstants.OP_AASTORE), - new ConstantInstruction(InstructionConstants.OP_INVOKEVIRTUAL, 0), - }; - - // get[Declared]Constructor(new Class[] { A.class, B.class }). - private final Instruction[] GET_CONSTRUCTOR_INSTRUCTIONS2 = new Instruction[] - { - new SimpleInstruction(InstructionConstants.OP_ICONST_2), - new ConstantInstruction(InstructionConstants.OP_ANEWARRAY, 1), - new SimpleInstruction(InstructionConstants.OP_DUP), - new SimpleInstruction(InstructionConstants.OP_ICONST_0), - new ConstantInstruction(InstructionConstants.OP_LDC, PARAMETER0_CLASS_INDEX), - new SimpleInstruction(InstructionConstants.OP_AASTORE), - new SimpleInstruction(InstructionConstants.OP_DUP), - new SimpleInstruction(InstructionConstants.OP_ICONST_1), - new ConstantInstruction(InstructionConstants.OP_LDC, PARAMETER1_CLASS_INDEX), - new SimpleInstruction(InstructionConstants.OP_AASTORE), - new ConstantInstruction(InstructionConstants.OP_INVOKEVIRTUAL, 0), - }; - - // get[Declared]Method("someMethod", new Class[] {}). - private final Instruction[] GET_METHOD_INSTRUCTIONS0 = new Instruction[] - { - new ConstantInstruction(InstructionConstants.OP_LDC, MEMBER_NAME_INDEX), - new SimpleInstruction(InstructionConstants.OP_ICONST_0), - new ConstantInstruction(InstructionConstants.OP_ANEWARRAY, 1), - new ConstantInstruction(InstructionConstants.OP_INVOKEVIRTUAL, 0), - }; - - // get[Declared]Method("someMethod", new Class[] { A.class }). - private final Instruction[] GET_METHOD_INSTRUCTIONS1 = new Instruction[] - { - new ConstantInstruction(InstructionConstants.OP_LDC, MEMBER_NAME_INDEX), - new SimpleInstruction(InstructionConstants.OP_ICONST_1), - new ConstantInstruction(InstructionConstants.OP_ANEWARRAY, 1), - new SimpleInstruction(InstructionConstants.OP_DUP), - new SimpleInstruction(InstructionConstants.OP_ICONST_0), - new ConstantInstruction(InstructionConstants.OP_LDC, PARAMETER0_CLASS_INDEX), - new SimpleInstruction(InstructionConstants.OP_AASTORE), - new ConstantInstruction(InstructionConstants.OP_INVOKEVIRTUAL, 0), - }; - - // get[Declared]Method("someMethod", new Class[] { A.class, B.class }). - private final Instruction[] GET_METHOD_INSTRUCTIONS2 = new Instruction[] - { - new ConstantInstruction(InstructionConstants.OP_LDC, MEMBER_NAME_INDEX), - new SimpleInstruction(InstructionConstants.OP_ICONST_2), - new ConstantInstruction(InstructionConstants.OP_ANEWARRAY, 1), - new SimpleInstruction(InstructionConstants.OP_DUP), - new SimpleInstruction(InstructionConstants.OP_ICONST_0), - new ConstantInstruction(InstructionConstants.OP_LDC, PARAMETER0_CLASS_INDEX), - new SimpleInstruction(InstructionConstants.OP_AASTORE), - new SimpleInstruction(InstructionConstants.OP_DUP), - new SimpleInstruction(InstructionConstants.OP_ICONST_1), - new ConstantInstruction(InstructionConstants.OP_LDC, PARAMETER1_CLASS_INDEX), - new SimpleInstruction(InstructionConstants.OP_AASTORE), - new ConstantInstruction(InstructionConstants.OP_INVOKEVIRTUAL, 0), - }; - - // AtomicIntegerFieldUpdater.newUpdater(..., "someField"). - // AtomicLongFieldUpdater.newUpdater(..., "someField"). - // AtomicReferenceFieldUpdater.newUpdater(..., "someField"). - private final Instruction[] NEW_UPDATER_INSTRUCTIONS = new Instruction[] - { - new ConstantInstruction(InstructionConstants.OP_LDC, MEMBER_NAME_INDEX), - new ConstantInstruction(InstructionConstants.OP_INVOKESTATIC, 0), - }; - - - private final ClassPool programClassPool; - private final ClassPool libraryClassPool; - private final WarningPrinter notePrinter; - private final StringMatcher noteFieldExceptionMatcher; - private final StringMatcher noteMethodExceptionMatcher; - - - private final InstructionSequenceMatcher constantGetFieldMatcher = - new InstructionSequenceMatcher(GET_FIELD_CONSTANTS, - CONSTANT_GET_FIELD_INSTRUCTIONS); - - private final InstructionSequenceMatcher constantGetDeclaredFieldMatcher = - new InstructionSequenceMatcher(GET_DECLARED_FIELD_CONSTANTS, - CONSTANT_GET_FIELD_INSTRUCTIONS); - -// private final InstructionSequenceMatcher constantGetConstructorMatcher0 = -// new InstructionSequenceMatcher(GET_CONSTRUCTOR_CONSTANTS, -// CONSTANT_GET_CONSTRUCTOR_INSTRUCTIONS0); -// -// private final InstructionSequenceMatcher constantGetDeclaredConstructorMatcher0 = -// new InstructionSequenceMatcher(GET_DECLARED_CONSTRUCTOR_CONSTANTS, -// CONSTANT_GET_CONSTRUCTOR_INSTRUCTIONS0); -// -// private final InstructionSequenceMatcher constantGetConstructorMatcher1 = -// new InstructionSequenceMatcher(GET_CONSTRUCTOR_CONSTANTS, -// CONSTANT_GET_CONSTRUCTOR_INSTRUCTIONS1); -// -// private final InstructionSequenceMatcher constantGetDeclaredConstructorMatcher1 = -// new InstructionSequenceMatcher(GET_DECLARED_CONSTRUCTOR_CONSTANTS, -// CONSTANT_GET_CONSTRUCTOR_INSTRUCTIONS1); -// -// private final InstructionSequenceMatcher constantGetConstructorMatcher2 = -// new InstructionSequenceMatcher(GET_CONSTRUCTOR_CONSTANTS, -// CONSTANT_GET_CONSTRUCTOR_INSTRUCTIONS2); -// -// private final InstructionSequenceMatcher constantGetDeclaredConstructorMatcher2 = -// new InstructionSequenceMatcher(GET_DECLARED_CONSTRUCTOR_CONSTANTS, -// CONSTANT_GET_CONSTRUCTOR_INSTRUCTIONS2); - - private final InstructionSequenceMatcher constantGetMethodMatcher0 = - new InstructionSequenceMatcher(GET_METHOD_CONSTANTS, - CONSTANT_GET_METHOD_INSTRUCTIONS0); - - private final InstructionSequenceMatcher constantGetDeclaredMethodMatcher0 = - new InstructionSequenceMatcher(GET_DECLARED_METHOD_CONSTANTS, - CONSTANT_GET_METHOD_INSTRUCTIONS0); - - private final InstructionSequenceMatcher constantGetMethodMatcher1 = - new InstructionSequenceMatcher(GET_METHOD_CONSTANTS, - CONSTANT_GET_METHOD_INSTRUCTIONS1); - - private final InstructionSequenceMatcher constantGetDeclaredMethodMatcher1 = - new InstructionSequenceMatcher(GET_DECLARED_METHOD_CONSTANTS, - CONSTANT_GET_METHOD_INSTRUCTIONS1); - - private final InstructionSequenceMatcher constantGetMethodMatcher2 = - new InstructionSequenceMatcher(GET_METHOD_CONSTANTS, - CONSTANT_GET_METHOD_INSTRUCTIONS2); - - private final InstructionSequenceMatcher constantGetDeclaredMethodMatcher2 = - new InstructionSequenceMatcher(GET_DECLARED_METHOD_CONSTANTS, - CONSTANT_GET_METHOD_INSTRUCTIONS2); - - private final InstructionSequenceMatcher constantGetIntegerUpdaterMatcher = - new InstructionSequenceMatcher(NEW_INTEGER_UPDATER_CONSTANTS, - CONSTANT_NEW_PRIMITIVE_UPDATER_INSTRUCTIONS); - - private final InstructionSequenceMatcher constantGetLongUpdaterMatcher = - new InstructionSequenceMatcher(NEW_LONG_UPDATER_CONSTANTS, - CONSTANT_NEW_PRIMITIVE_UPDATER_INSTRUCTIONS); - - private final InstructionSequenceMatcher constantGetReferenceUpdaterMatcher = - new InstructionSequenceMatcher(NEW_REFERENCE_UPDATER_CONSTANTS, - CONSTANT_NEW_REFERENCE_UPDATER_INSTRUCTIONS); - - private final InstructionSequenceMatcher getFieldMatcher = - new InstructionSequenceMatcher(GET_FIELD_CONSTANTS, - GET_FIELD_INSTRUCTIONS); - - private final InstructionSequenceMatcher getDeclaredFieldMatcher = - new InstructionSequenceMatcher(GET_DECLARED_FIELD_CONSTANTS, - GET_FIELD_INSTRUCTIONS); - -// private final InstructionSequenceMatcher getConstructorMatcher0 = -// new InstructionSequenceMatcher(GET_CONSTRUCTOR_CONSTANTS, -// GET_CONSTRUCTOR_INSTRUCTIONS0); -// -// private final InstructionSequenceMatcher getDeclaredConstructorMatcher0 = -// new InstructionSequenceMatcher(GET_DECLARED_CONSTRUCTOR_CONSTANTS, -// GET_CONSTRUCTOR_INSTRUCTIONS0); - - private final InstructionSequenceMatcher getConstructorMatcher1 = - new InstructionSequenceMatcher(GET_CONSTRUCTOR_CONSTANTS, - GET_CONSTRUCTOR_INSTRUCTIONS1); - - private final InstructionSequenceMatcher getDeclaredConstructorMatcher1 = - new InstructionSequenceMatcher(GET_DECLARED_CONSTRUCTOR_CONSTANTS, - GET_CONSTRUCTOR_INSTRUCTIONS1); - - private final InstructionSequenceMatcher getConstructorMatcher2 = - new InstructionSequenceMatcher(GET_CONSTRUCTOR_CONSTANTS, - GET_CONSTRUCTOR_INSTRUCTIONS2); - - private final InstructionSequenceMatcher getDeclaredConstructorMatcher2 = - new InstructionSequenceMatcher(GET_DECLARED_CONSTRUCTOR_CONSTANTS, - GET_CONSTRUCTOR_INSTRUCTIONS2); - - private final InstructionSequenceMatcher getMethodMatcher0 = - new InstructionSequenceMatcher(GET_METHOD_CONSTANTS, - GET_METHOD_INSTRUCTIONS0); - - private final InstructionSequenceMatcher getDeclaredMethodMatcher0 = - new InstructionSequenceMatcher(GET_DECLARED_METHOD_CONSTANTS, - GET_METHOD_INSTRUCTIONS0); - - private final InstructionSequenceMatcher getMethodMatcher1 = - new InstructionSequenceMatcher(GET_METHOD_CONSTANTS, - GET_METHOD_INSTRUCTIONS1); - - private final InstructionSequenceMatcher getDeclaredMethodMatcher1 = - new InstructionSequenceMatcher(GET_DECLARED_METHOD_CONSTANTS, - GET_METHOD_INSTRUCTIONS1); - - private final InstructionSequenceMatcher getMethodMatcher2 = - new InstructionSequenceMatcher(GET_METHOD_CONSTANTS, - GET_METHOD_INSTRUCTIONS2); - - private final InstructionSequenceMatcher getDeclaredMethodMatcher2 = - new InstructionSequenceMatcher(GET_DECLARED_METHOD_CONSTANTS, - GET_METHOD_INSTRUCTIONS2); - - private final InstructionSequenceMatcher getIntegerUpdaterMatcher = - new InstructionSequenceMatcher(NEW_INTEGER_UPDATER_CONSTANTS, - NEW_UPDATER_INSTRUCTIONS); - - private final InstructionSequenceMatcher getLongUpdaterMatcher = - new InstructionSequenceMatcher(NEW_LONG_UPDATER_CONSTANTS, - NEW_UPDATER_INSTRUCTIONS); - - private final InstructionSequenceMatcher getReferenceUpdaterMatcher = - new InstructionSequenceMatcher(NEW_REFERENCE_UPDATER_CONSTANTS, - NEW_UPDATER_INSTRUCTIONS); - - private final MemberFinder memberFinder = new MemberFinder(); - - - // Fields acting as parameters for the visitors. - private Clazz referencedClass; - private String descriptor; - private boolean isDeclared; - private boolean isField; - - - - /** - * Creates a new DynamicMemberReferenceInitializer. - */ - public DynamicMemberReferenceInitializer(ClassPool programClassPool, - ClassPool libraryClassPool, - WarningPrinter notePrinter, - StringMatcher noteFieldExceptionMatcher, - StringMatcher noteMethodExceptionMatcher) - { - this.programClassPool = programClassPool; - this.libraryClassPool = libraryClassPool; - this.notePrinter = notePrinter; - this.noteFieldExceptionMatcher = noteFieldExceptionMatcher; - this.noteMethodExceptionMatcher = noteMethodExceptionMatcher; - } - - - // Implementations for InstructionVisitor. - - public void visitAnyInstruction(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, Instruction instruction) - { - // Try to match the SomeClass.class.getField("someField") construct. - matchGetMember(clazz, method, codeAttribute, offset, instruction, - constantGetFieldMatcher, - getFieldMatcher, true, false, null, null); - - // Try to match the SomeClass.class.getDeclaredField("someField") construct. - matchGetMember(clazz, method, codeAttribute, offset, instruction, - constantGetDeclaredFieldMatcher, - getDeclaredFieldMatcher, true, true, null, null); - -// // Try to match the SomeClass.class.getConstructor(new Class[] -// // {}) construct. -// matchGetMember(clazz, method, codeAttribute, offset, instruction, -// cnull, //onstantGetConstructorMatcher0, -// getConstructorMatcher0, false, false, -// ClassConstants.METHOD_NAME_INIT, null); -// -// // Try to match the SomeClass.class.getDeclaredConstructor(new Class[] -// // {}) construct. -// matchGetMember(clazz, method, codeAttribute, offset, instruction, -// null, //constantGetDeclaredConstructorMatcher0, -// getDeclaredConstructorMatcher0, false, true, -// ClassConstants.METHOD_NAME_INIT, null); - - // Try to match the SomeClass.class.getConstructor(new Class[] - // { A.class }) construct. - matchGetMember(clazz, method, codeAttribute, offset, instruction, - null, //constantGetConstructorMatcher1, - getConstructorMatcher1, false, false, - ClassConstants.METHOD_NAME_INIT, null); - - // Try to match the SomeClass.class.getDeclaredConstructor(new Class[] - // { A.class }) construct. - matchGetMember(clazz, method, codeAttribute, offset, instruction, - null, //constantGetDeclaredConstructorMatcher1, - getDeclaredConstructorMatcher1, false, true, - ClassConstants.METHOD_NAME_INIT, null); - - // Try to match the SomeClass.class.getConstructor(new Class[] - // { A.class, B.class }) construct. - matchGetMember(clazz, method, codeAttribute, offset, instruction, - null, //constantGetConstructorMatcher2, - getConstructorMatcher2, false, false, - ClassConstants.METHOD_NAME_INIT, null); - - // Try to match the SomeClass.class.getDeclaredConstructor(new Class[] - // { A.class, B.class }) construct. - matchGetMember(clazz, method, codeAttribute, offset, instruction, - null, //constantGetDeclaredConstructorMatcher2, - getDeclaredConstructorMatcher2, false, true, - ClassConstants.METHOD_NAME_INIT, null); - - // Try to match the SomeClass.class.getMethod("someMethod", new Class[] - // {}) construct. - matchGetMember(clazz, method, codeAttribute, offset, instruction, - constantGetMethodMatcher0, - getMethodMatcher0, false, false, null, null); - - // Try to match the SomeClass.class.getDeclaredMethod("someMethod", - // new Class[] {}) construct. - matchGetMember(clazz, method, codeAttribute, offset, instruction, - constantGetDeclaredMethodMatcher0, - getDeclaredMethodMatcher0, false, true, null, null); - - // Try to match the SomeClass.class.getMethod("someMethod", new Class[] - // { A.class }) construct. - matchGetMember(clazz, method, codeAttribute, offset, instruction, - constantGetMethodMatcher1, - getMethodMatcher1, false, false, null, null); - - // Try to match the SomeClass.class.getDeclaredMethod("someMethod", - // new Class[] { A.class }) construct. - matchGetMember(clazz, method, codeAttribute, offset, instruction, - constantGetDeclaredMethodMatcher1, - getDeclaredMethodMatcher1, false, true, null, null); - - // Try to match the SomeClass.class.getMethod("someMethod", new Class[] - // { A.class, B.class }) construct. - matchGetMember(clazz, method, codeAttribute, offset, instruction, - constantGetMethodMatcher2, - getMethodMatcher2, false, false, null, null); - - // Try to match the SomeClass.class.getDeclaredMethod("someMethod", - // new Class[] { A.class, B.class }) construct. - matchGetMember(clazz, method, codeAttribute, offset, instruction, - constantGetDeclaredMethodMatcher2, - getDeclaredMethodMatcher2, false, true, null, null); - - // Try to match the AtomicIntegerFieldUpdater.newUpdater( - // SomeClass.class, "someField") construct. - matchGetMember(clazz, method, codeAttribute, offset, instruction, - constantGetIntegerUpdaterMatcher, - getIntegerUpdaterMatcher, true, false, null, - "" + ClassConstants.TYPE_INT); - - // Try to match the AtomicLongFieldUpdater.newUpdater( - // SomeClass.class, "someField") construct. - matchGetMember(clazz, method, codeAttribute, offset, instruction, - constantGetLongUpdaterMatcher, - getLongUpdaterMatcher, true, false, null, - "" + ClassConstants.TYPE_LONG); - - // Try to match the AtomicReferenceFieldUpdater.newUpdater( - // SomeClass.class, SomeClass.class, "someField") construct. - matchGetMember(clazz, method, codeAttribute, offset, instruction, - constantGetReferenceUpdaterMatcher, - getReferenceUpdaterMatcher, true, false, null, null); - } - - - /** - * Tries to match the next instruction and fills out the string constant - * or prints out a note accordingly. - */ - private void matchGetMember(Clazz clazz, - Method method, - CodeAttribute codeAttribute, - int offset, - Instruction instruction, - InstructionSequenceMatcher constantSequenceMatcher, - InstructionSequenceMatcher variableSequenceMatcher, - boolean isField, - boolean isDeclared, - String defaultName, - String defaultDescriptor) - { - if (constantSequenceMatcher != null) - { - // Try to match the next instruction in the constant sequence. - instruction.accept(clazz, method, codeAttribute, offset, - constantSequenceMatcher); - - // Did we find a match to fill out the string constant? - if (constantSequenceMatcher.isMatching()) - { - initializeStringReference(clazz, - constantSequenceMatcher, - isField, - isDeclared, - defaultDescriptor); - - // Don't look for the dynamic construct. - variableSequenceMatcher.reset(); - } - } - - // Try to match the next instruction in the variable sequence. - instruction.accept(clazz, method, codeAttribute, offset, - variableSequenceMatcher); - - // Did we find a match to print out a note? - if (variableSequenceMatcher.isMatching()) - { - // Print out a note about the dynamic invocation. - printDynamicInvocationNote(clazz, - variableSequenceMatcher, - isField, - isDeclared, - defaultName, - defaultDescriptor); - } - } - - - /** - * Initializes the reference of the matched string constant to the - * referenced class member and its class. - */ - private void initializeStringReference(Clazz clazz, - InstructionSequenceMatcher constantSequenceMatcher, - boolean isField, - boolean isDeclared, - String defaultDescriptor) - { - this.isField = isField; - this.isDeclared = isDeclared; - - // Get the member's class. - int classIndex = constantSequenceMatcher.matchedConstantIndex(CLASS_INDEX); - clazz.constantPoolEntryAccept(classIndex, this); - - // Get the field's reference type, if applicable. - int typeClassIndex = constantSequenceMatcher.matchedConstantIndex(TYPE_CLASS_INDEX); - descriptor = typeClassIndex <= 0 ? defaultDescriptor : - ClassUtil.internalTypeFromClassName(clazz.getClassName(typeClassIndex)); - - // Fill out the matched string constant. - int memberNameIndex = constantSequenceMatcher.matchedConstantIndex(MEMBER_NAME_INDEX); - clazz.constantPoolEntryAccept(memberNameIndex, this); - } - - - // Implementations for ConstantVisitor. - - /** - * Remembers the referenced class. - */ - public void visitClassConstant(Clazz clazz, ClassConstant classConstant) - { - if (DEBUG) - { - System.out.println("DynamicMemberReferenceInitializer: ["+clazz.getName()+"] matched class ["+classConstant.getName(clazz)+"]"); - } - - // Remember the referenced class. - referencedClass = ClassUtil.isInternalArrayType(classConstant.getName(clazz)) ? - null : - classConstant.referencedClass; - } - - - /** - * Fills out the link to the referenced class member. - */ - public void visitStringConstant(Clazz clazz, StringConstant stringConstant) - { - if (referencedClass != null) - { - String name = stringConstant.getString(clazz); - - if (DEBUG) - { - System.out.println("DynamicMemberReferenceInitializer: ["+clazz.getName()+"] matched string ["+name+"]"); - } - - // See if we can find the referenced class member locally, or - // somewhere in the hierarchy. - Member referencedMember = isDeclared ? isField ? - (Member)referencedClass.findField(name, descriptor) : - (Member)referencedClass.findMethod(name, descriptor) : - (Member)memberFinder.findMember(clazz, - referencedClass, - name, - descriptor, - isField); - if (referencedMember != null) - { - stringConstant.referencedMember = referencedMember; - stringConstant.referencedClass = isDeclared ? - referencedClass : - memberFinder.correspondingClass(); - } - } - } - - - // Small utility methods. - - /** - * Prints out a note on the matched dynamic invocation, if necessary. - */ - private void printDynamicInvocationNote(Clazz clazz, - InstructionSequenceMatcher noteSequenceMatcher, - boolean isField, - boolean isDeclared, - String defaultName, - String defaultDescriptor) - { - // Print out a note about the dynamic invocation. - if (notePrinter != null && - notePrinter.accepts(clazz.getName())) - { - // Is the class member name in the list of exceptions? - StringMatcher noteExceptionMatcher = isField ? - noteFieldExceptionMatcher : - noteMethodExceptionMatcher; - - int memberNameIndex = noteSequenceMatcher.matchedConstantIndex(MEMBER_NAME_INDEX); - String memberName = memberNameIndex <= 0 ? defaultName : - clazz.getStringString(memberNameIndex); - - if (noteExceptionMatcher == null || - !noteExceptionMatcher.matches(memberName)) - { - // Compose the external member name and partial descriptor. - String externalMemberDescription = memberName; - - if (!isField) - { - externalMemberDescription += '('; - for (int count = 0; count < 2; count++) - { - int memberArgumentIndex = noteSequenceMatcher.matchedConstantIndex( - PARAMETER0_CLASS_INDEX + count); - if (memberArgumentIndex > 0) - { - if (count > 0) - { - externalMemberDescription += ','; - } - String className = clazz.getClassName(memberArgumentIndex); - externalMemberDescription += ClassUtil.isInternalArrayType(className) ? - ClassUtil.externalType(className) : - ClassUtil.externalClassName(className); - } - } - externalMemberDescription += ')'; - } - - // Print out the actual note. - notePrinter.print(clazz.getName(), - "Note: " + - ClassUtil.externalClassName(clazz.getName()) + - " accesses a " + - (isDeclared ? "declared " : "") + - (isField ? "field" : - memberName.equals(ClassConstants.METHOD_NAME_INIT) ? - "constructor" : "method") + - " '" + - externalMemberDescription + - "' dynamically"); - - // Print out notes about potential candidates. - ClassVisitor classVisitor; - - if (isField) - { - classVisitor = defaultDescriptor == null ? - new AllFieldVisitor( - new MemberNameFilter(memberName, this)) : - new AllFieldVisitor( - new MemberNameFilter(memberName, - new MemberDescriptorFilter(defaultDescriptor, this))); - } - else - { - // Compose the partial method descriptor. - String methodDescriptor = "("; - for (int count = 0; count < 2; count++) - { - int memberArgumentIndex = noteSequenceMatcher.matchedConstantIndex(PARAMETER0_CLASS_INDEX + count); - if (memberArgumentIndex > 0) - { - String className = clazz.getClassName(memberArgumentIndex); - methodDescriptor += ClassUtil.isInternalArrayType(className) ? - className : - ClassUtil.internalTypeFromClassName(className); - } - } - methodDescriptor += ")L***;"; - - classVisitor = - new AllMethodVisitor( - new MemberNameFilter(memberName, - new MemberDescriptorFilter(methodDescriptor, this))); - } - - programClassPool.classesAcceptAlphabetically(classVisitor); - libraryClassPool.classesAcceptAlphabetically(classVisitor); - } - } - } - - - // Implementations for MemberVisitor. - - public void visitProgramField(ProgramClass programClass, ProgramField programField) - { - if (notePrinter.accepts(programClass.getName())) - { - System.out.println(" Maybe this is program field '" + - ClassUtil.externalFullClassDescription(0, programClass.getName()) + - " { " + - ClassUtil.externalFullFieldDescription(0, programField.getName(programClass), programField.getDescriptor(programClass)) + - "; }'"); - } - } - - - public void visitProgramMethod(ProgramClass programClass, ProgramMethod programMethod) - { - if (notePrinter.accepts(programClass.getName())) - { - System.out.println(" Maybe this is program method '" + - ClassUtil.externalFullClassDescription(0, programClass.getName()) + - " { " + - ClassUtil.externalFullMethodDescription(programClass.getName(), 0, programMethod.getName(programClass), programMethod.getDescriptor(programClass)) + - "; }'"); - } - } - - - public void visitLibraryField(LibraryClass libraryClass, LibraryField libraryField) - { - if (notePrinter.accepts(libraryClass.getName())) - { - System.out.println(" Maybe this is library field '" + - ClassUtil.externalFullClassDescription(0, libraryClass.getName()) + - " { " + - ClassUtil.externalFullFieldDescription(0, libraryField.getName(libraryClass), libraryField.getDescriptor(libraryClass)) + - "; }'"); - } - } - - - public void visitLibraryMethod(LibraryClass libraryClass, LibraryMethod libraryMethod) - { - if (notePrinter.accepts(libraryClass.getName())) - { - System.out.println(" Maybe this is library method '" + - ClassUtil.externalFullClassDescription(0, libraryClass.getName()) + - " { " + - ClassUtil.externalFullMethodDescription(libraryClass.getName(), 0, libraryMethod.getName(libraryClass), libraryMethod.getDescriptor(libraryClass)) + - "; }'"); - } - } -}
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