使用ASM获取java的构造函数参数名称和方法参数名称
ASM4 实现：
/**
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.xbean.recipe;
import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.WeakHashMap;
import java.util.Arrays;
import org.objectweb.asm.ClassReader;
import org.objectweb.asm.Label;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Type;
import org.objectweb.asm.commons.EmptyVisitor;
/**
* Implementation of ParameterNameLoader that uses ASM to read the parameter names from the local variable table in the
* class byte code.
*
* This wonderful piece of code was taken from org.springframework.core.LocalVariableTableParameterNameDiscover
*/
public class AsmParameterNameLoader implements ParameterNameLoader {
/**
* Weak map from Constructor to List<String>.
*/
private final WeakHashMap<Constructor,List<String>> constructorCache = new WeakHashMap<Constructor,List<String>>();
/**
* Weak map from Method to List<String>.
*/
private final WeakHashMap<Method,List<String>> methodCache = new WeakHashMap<Method,List<String>>();
/**
* Gets the parameter names of the specified method or null if the class was compiled without debug symbols on.
* @param method the method for which the parameter names should be retrieved
* @return the parameter names or null if the class was compilesd without debug symbols on
*/
public List<String> get(Method method) {
// check the cache
if (methodCache.containsKey(method)) {
return methodCache.get(method);
}
Map<Method,List<String>> allMethodParameters = getAllMethodParameters(method.getDeclaringClass(), method.getName());
return allMethodParameters.get(method);
}
/**
* Gets the parameter names of the specified constructor or null if the class was compiled without debug symbols on.
* @param constructor the constructor for which the parameters should be retrieved
* @return the parameter names or null if the class was compiled without debug symbols on
*/
public List<String> get(Constructor constructor) {
// check the cache
if (constructorCache.containsKey(constructor)) {
return constructorCache.get(constructor);
}
Map<Constructor,List<String>> allConstructorParameters = getAllConstructorParameters(constructor.getDeclaringClass());
return allConstructorParameters.get(constructor);
}
/**
* Gets the parameter names of all constructor or null if the class was compiled without debug symbols on.
* @param clazz the class for which the constructor parameter names should be retrieved
* @return a map from Constructor object to the parameter names or null if the class was compiled without debug symbols on
*/
public Map<Constructor,List<String>> getAllConstructorParameters(Class clazz) {
// Determine the constructors?
List<Constructor> constructors = new ArrayList<Constructor>(Arrays.asList(clazz.getConstructors()));
constructors.addAll(Arrays.asList(clazz.getDeclaredConstructors()));
if (constructors.isEmpty()) {
return Collections.emptyMap();
}
// Check the cache
if (constructorCache.containsKey(constructors.get(0))) {
Map<Constructor,List<String>> constructorParameters = new HashMap<Constructor,List<String>>();
for (Constructor constructor : constructors) {
constructorParameters.put(constructor, constructorCache.get(constructor));
}
return constructorParameters;
}
// Load the parameter names using ASM
Map<Constructor,List<String>> constructorParameters = new HashMap<Constructor,List<String>> ();
try {
ClassReader reader = AsmParameterNameLoader.createClassReader(clazz);
AsmParameterNameLoader.AllParameterNamesDiscoveringVisitor visitor = new AsmParameterNameLoader.AllParameterNamesDiscoveringVisitor(clazz);
reader.accept(visitor, 0);
Map exceptions = visitor.getExceptions();
if (exceptions.size() == 1) {
throw new RuntimeException((Exception)exceptions.values().iterator().next());
}
if (!exceptions.isEmpty()) {
throw new RuntimeException(exceptions.toString());
}
constructorParameters = visitor.getConstructorParameters();
} catch (IOException ex) {
}
// Cache the names
for (Constructor constructor : constructors) {
constructorCache.put(constructor, constructorParameters.get(constructor));
}
return constructorParameters;
}
/**
* Gets the parameter names of all methods with the specified name or null if the class was compiled without debug symbols on.
* @param clazz the class for which the method parameter names should be retrieved
* @param methodName the of the method for which the parameters should be retrieved
* @return a map from Method object to the parameter names or null if the class was compiled without debug symbols on
*/
public Map<Method,List<String>> getAllMethodParameters(Class clazz, String methodName) {
// Determine the constructors?
Method[] methods = getMethods(clazz, methodName);
if (methods.length == 0) {
return Collections.emptyMap();
}
// Check the cache
if (methodCache.containsKey(methods[0])) {
Map<Method,List<String>> methodParameters = new HashMap<Method,List<String>>();
for (Method method : methods) {
methodParameters.put(method, methodCache.get(method));
}
return methodParameters;
}
// Load the parameter names using ASM
Map<Method,List<String>> methodParameters = new HashMap<Method,List<String>>();
try {
ClassReader reader = AsmParameterNameLoader.createClassReader(clazz);
AsmParameterNameLoader.AllParameterNamesDiscoveringVisitor visitor = new AsmParameterNameLoader.AllParameterNamesDiscoveringVisitor(clazz, methodName);
reader.accept(visitor, 0);
Map exceptions = visitor.getExceptions();
if (exceptions.size() == 1) {
throw new RuntimeException((Exception)exceptions.values().iterator().next());
}
if (!exceptions.isEmpty()) {
throw new RuntimeException(exceptions.toString());
}
methodParameters = visitor.getMethodParameters();
} catch (IOException ex) {
}
// Cache the names
for (Method method : methods) {
methodCache.put(method, methodParameters.get(method));
}
return methodParameters;
}
private Method[] getMethods(Class clazz, String methodName) {
List<Method> methods = new ArrayList<Method>(Arrays.asList(clazz.getMethods()));
methods.addAll(Arrays.asList(clazz.getDeclaredMethods()));
List<Method> matchingMethod = new ArrayList<Method>(methods.size());
for (Method method : methods) {
if (method.getName().equals(methodName)) {
matchingMethod.add(method);
}
}
return matchingMethod.toArray(new Method[matchingMethod.size()]);
}
private static ClassReader createClassReader(Class declaringClass) throws IOException {
InputStream in = null;
try {
ClassLoader classLoader = declaringClass.getClassLoader();
in = classLoader.getResourceAsStream(declaringClass.getName().replace('.', '/') + ".class");
ClassReader reader = new ClassReader(in);
return reader;
} finally {
if (in != null) {
try {
in.close();
} catch (IOException ignored) {
}
}
}
}
private static class AllParameterNamesDiscoveringVisitor extends EmptyVisitor {
private final Map<Constructor,List<String>> constructorParameters = new HashMap<Constructor,List<String>>();
private final Map<Method,List<String>> methodParameters = new HashMap<Method,List<String>>();
private final Map<String,Exception> exceptions = new HashMap<String,Exception>();
private final String methodName;
private final Map<String,Method> methodMap = new HashMap<String,Method>();
private final Map<String,Constructor> constructorMap = new HashMap<String,Constructor>();
public AllParameterNamesDiscoveringVisitor(Class type, String methodName) {
this.methodName = methodName;
List<Method> methods = new ArrayList<Method>(Arrays.asList(type.getMethods()));
methods.addAll(Arrays.asList(type.getDeclaredMethods()));
for (Method method : methods) {
if (method.getName().equals(methodName)) {
methodMap.put(Type.getMethodDescriptor(method), method);
}
}
}
public AllParameterNamesDiscoveringVisitor(Class type) {
this.methodName = "<init>";
List<Constructor> constructors = new ArrayList<Constructor>(Arrays.asList(type.getConstructors()));
constructors.addAll(Arrays.asList(type.getDeclaredConstructors()));
for (Constructor constructor : constructors) {
Type[] types = new Type[constructor.getParameterTypes().length];
for (int j = 0; j < types.length; j++) {
types[j] = Type.getType(constructor.getParameterTypes()[j]);
}
constructorMap.put(Type.getMethodDescriptor(Type.VOID_TYPE, types), constructor);
}
}
public Map<Constructor, List<String>> getConstructorParameters() {
return constructorParameters;
}
public Map<Method, List<String>> getMethodParameters() {
return methodParameters;
}
public Map<String,Exception> getExceptions() {
return exceptions;
}
public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions) {
if (!name.equals(this.methodName)) {
return null;
}
try {
final List<String> parameterNames;
final boolean isStaticMethod;
if (methodName.equals("<init>")) {
Constructor constructor = constructorMap.get(desc);
if (constructor == null) {
return null;
}
parameterNames = new ArrayList<String>(constructor.getParameterTypes().length);
parameterNames.addAll(Collections.<String>nCopies(constructor.getParameterTypes().length, null));
constructorParameters.put(constructor, parameterNames);
isStaticMethod = false;
} else {
Method method = methodMap.get(desc);
if (method == null) {
return null;
}
parameterNames = new ArrayList<String>(method.getParameterTypes().length);
parameterNames.addAll(Collections.<String>nCopies(method.getParameterTypes().length, null));
methodParameters.put(method, parameterNames);
isStaticMethod = Modifier.isStatic(method.getModifiers());
}
return new EmptyVisitor() {
// assume static method until we get a first parameter name
public void visitLocalVariable(String name, String description, String signature, Label start, Label end, int index) {
if (isStaticMethod) {
parameterNames.set(index, name);
} else if (index > 0) {
// for non-static the 0th arg is "this" so we need to offset by -1
parameterNames.set(index - 1, name);
}
}
};
} catch (Exception e) {
this.exceptions.put(signature, e);
}
return null;
}
}
}
ASM5实现：
/**
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.xbean.recipe;
import org.apache.xbean.asm5.original.commons.EmptyVisitor;
import org.objectweb.asm.ClassReader;
import org.objectweb.asm.Label;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.Type;
import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.WeakHashMap;
/**
* Implementation of ParameterNameLoader that uses ASM to read the parameter names from the local variable table in the
* class byte code.
*
* This wonderful piece of code was taken from org.springframework.core.LocalVariableTableParameterNameDiscover
*/
public class AsmParameterNameLoader implements ParameterNameLoader {
/**
* Weak map from Constructor to List<String>.
*/
private final WeakHashMap<Constructor,List<String>> constructorCache = new WeakHashMap<Constructor,List<String>>();
/**
* Weak map from Method to List<String>.
*/
private final WeakHashMap<Method,List<String>> methodCache = new WeakHashMap<Method,List<String>>();
/**
* Gets the parameter names of the specified method or null if the class was compiled without debug symbols on.
* @param method the method for which the parameter names should be retrieved
* @return the parameter names or null if the class was compilesd without debug symbols on
*/
public List<String> get(Method method) {
// check the cache
if (methodCache.containsKey(method)) {
return methodCache.get(method);
}
Map<Method,List<String>> allMethodParameters = getAllMethodParameters(method.getDeclaringClass(), method.getName());
return allMethodParameters.get(method);
}
/**
* Gets the parameter names of the specified constructor or null if the class was compiled without debug symbols on.
* @param constructor the constructor for which the parameters should be retrieved
* @return the parameter names or null if the class was compiled without debug symbols on
*/
public List<String> get(Constructor constructor) {
// check the cache
if (constructorCache.containsKey(constructor)) {
return constructorCache.get(constructor);
}
Map<Constructor,List<String>> allConstructorParameters = getAllConstructorParameters(constructor.getDeclaringClass());
return allConstructorParameters.get(constructor);
}
/**
* Gets the parameter names of all constructor or null if the class was compiled without debug symbols on.
* @param clazz the class for which the constructor parameter names should be retrieved
* @return a map from Constructor object to the parameter names or null if the class was compiled without debug symbols on
*/
public Map<Constructor,List<String>> getAllConstructorParameters(Class clazz) {
// Determine the constructors?
List<Constructor> constructors = new ArrayList<Constructor>(Arrays.asList(clazz.getConstructors()));
constructors.addAll(Arrays.asList(clazz.getDeclaredConstructors()));
if (constructors.isEmpty()) {
return Collections.emptyMap();
}
// Check the cache
if (constructorCache.containsKey(constructors.get(0))) {
Map<Constructor,List<String>> constructorParameters = new HashMap<Constructor,List<String>>();
for (Constructor constructor : constructors) {
constructorParameters.put(constructor, constructorCache.get(constructor));
}
return constructorParameters;
}
// Load the parameter names using ASM
Map<Constructor,List<String>> constructorParameters = new HashMap<Constructor,List<String>> ();
try {
ClassReader reader = AsmParameterNameLoader.createClassReader(clazz);
AsmParameterNameLoader.AllParameterNamesDiscoveringVisitor visitor = new AsmParameterNameLoader.AllParameterNamesDiscoveringVisitor(clazz);
reader.accept(visitor, 0);
Map exceptions = visitor.getExceptions();
if (exceptions.size() == 1) {
throw new RuntimeException((Exception)exceptions.values().iterator().next());
}
if (!exceptions.isEmpty()) {
throw new RuntimeException(exceptions.toString());
}
constructorParameters = visitor.getConstructorParameters();
} catch (IOException ex) {
}
// Cache the names
for (Constructor constructor : constructors) {
constructorCache.put(constructor, constructorParameters.get(constructor));
}
return constructorParameters;
}
/**
* Gets the parameter names of all methods with the specified name or null if the class was compiled without debug symbols on.
* @param clazz the class for which the method parameter names should be retrieved
* @param methodName the of the method for which the parameters should be retrieved
* @return a map from Method object to the parameter names or null if the class was compiled without debug symbols on
*/
public Map<Method,List<String>> getAllMethodParameters(Class clazz, String methodName) {
// Determine the constructors?
Method[] methods = getMethods(clazz, methodName);
if (methods.length == 0) {
return Collections.emptyMap();
}
// Check the cache
if (methodCache.containsKey(methods[0])) {
Map<Method,List<String>> methodParameters = new HashMap<Method,List<String>>();
for (Method method : methods) {
methodParameters.put(method, methodCache.get(method));
}
return methodParameters;
}
// Load the parameter names using ASM
Map<Method,List<String>> methodParameters = new HashMap<Method,List<String>>();
try {
ClassReader reader = AsmParameterNameLoader.createClassReader(clazz);
AsmParameterNameLoader.AllParameterNamesDiscoveringVisitor visitor = new AsmParameterNameLoader.AllParameterNamesDiscoveringVisitor(clazz, methodName);
reader.accept(visitor, 0);
Map exceptions = visitor.getExceptions();
if (exceptions.size() == 1) {
throw new RuntimeException((Exception)exceptions.values().iterator().next());
}
if (!exceptions.isEmpty()) {
throw new RuntimeException(exceptions.toString());
}
methodParameters = visitor.getMethodParameters();
} catch (IOException ex) {
}
// Cache the names
for (Method method : methods) {
methodCache.put(method, methodParameters.get(method));
}
return methodParameters;
}
private Method[] getMethods(Class clazz, String methodName) {
List<Method> methods = new ArrayList<Method>(Arrays.asList(clazz.getMethods()));
methods.addAll(Arrays.asList(clazz.getDeclaredMethods()));
List<Method> matchingMethod = new ArrayList<Method>(methods.size());
for (Method method : methods) {
if (method.getName().equals(methodName)) {
matchingMethod.add(method);
}
}
return matchingMethod.toArray(new Method[matchingMethod.size()]);
}
private static ClassReader createClassReader(Class declaringClass) throws IOException {
InputStream in = null;
try {
ClassLoader classLoader = declaringClass.getClassLoader();
in = classLoader.getResourceAsStream(declaringClass.getName().replace('.', '/') + ".class");
ClassReader reader = new ClassReader(in);
return reader;
} finally {
if (in != null) {
try {
in.close();
} catch (IOException ignored) {
}
}
}
}
private static class AllParameterNamesDiscoveringVisitor extends EmptyVisitor {
private final Map<Constructor,List<String>> constructorParameters = new HashMap<Constructor,List<String>>();
private final Map<Method,List<String>> methodParameters = new HashMap<Method,List<String>>();
private final Map<String,Exception> exceptions = new HashMap<String,Exception>();
private final String methodName;
private final Map<String,Method> methodMap = new HashMap<String,Method>();
private final Map<String,Constructor> constructorMap = new HashMap<String,Constructor>();
public AllParameterNamesDiscoveringVisitor(Class type, String methodName) {
this.methodName = methodName;
List<Method> methods = new ArrayList<Method>(Arrays.asList(type.getMethods()));
methods.addAll(Arrays.asList(type.getDeclaredMethods()));
for (Method method : methods) {
if (method.getName().equals(methodName)) {
methodMap.put(Type.getMethodDescriptor(method), method);
}
}
}
public AllParameterNamesDiscoveringVisitor(Class type) {
this.methodName = "<init>";
List<Constructor> constructors = new ArrayList<Constructor>(Arrays.asList(type.getConstructors()));
constructors.addAll(Arrays.asList(type.getDeclaredConstructors()));
for (Constructor constructor : constructors) {
Type[] types = new Type[constructor.getParameterTypes().length];
for (int j = 0; j < types.length; j++) {
types[j] = Type.getType(constructor.getParameterTypes()[j]);
}
constructorMap.put(Type.getMethodDescriptor(Type.VOID_TYPE, types), constructor);
}
}
public Map<Constructor, List<String>> getConstructorParameters() {
return constructorParameters;
}
public Map<Method, List<String>> getMethodParameters() {
return methodParameters;
}
public Map<String,Exception> getExceptions() {
return exceptions;
}
public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions) {
if (!name.equals(this.methodName)) {
return null;
}
try {
final List<String> parameterNames;
final boolean isStaticMethod;
if (methodName.equals("<init>")) {
Constructor constructor = constructorMap.get(desc);
if (constructor == null) {
return null;
}
parameterNames = new ArrayList<String>(constructor.getParameterTypes().length);
parameterNames.addAll(Collections.<String>nCopies(constructor.getParameterTypes().length, null));
constructorParameters.put(constructor, parameterNames);
isStaticMethod = false;
} else {
Method method = methodMap.get(desc);
if (method == null) {
return null;
}
parameterNames = new ArrayList<String>(method.getParameterTypes().length);
parameterNames.addAll(Collections.<String>nCopies(method.getParameterTypes().length, null));
methodParameters.put(method, parameterNames);
isStaticMethod = Modifier.isStatic(method.getModifiers());
}
return new MethodVisitor(Opcodes.ASM5) {
// assume static method until we get a first parameter name
public void visitLocalVariable(String name, String description, String signature, Label start, Label end, int index) {
if (isStaticMethod) {
parameterNames.set(index, name);
} else if (index > 0) {
// for non-static the 0th arg is "this" so we need to offset by -1
parameterNames.set(index - 1, name);
}
}
};
} catch (Exception e) {
this.exceptions.put(signature, e);
}
return null;
}
}
}
org.apache.xbean.asm5.original.commons.EmptyVisitor：
/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.xbean.asm5.original.commons;
import org.objectweb.asm.AnnotationVisitor;
import org.objectweb.asm.Attribute;
import org.objectweb.asm.ClassVisitor;
import org.objectweb.asm.FieldVisitor;
import org.objectweb.asm.Handle;
import org.objectweb.asm.Label;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.TypePath;
public class EmptyVisitor extends ClassVisitor {
protected final AnnotationVisitor av = new AnnotationVisitor(Opcodes.ASM5) {
@Override
public void visit(String name, Object value) {
EmptyVisitor.this.visit(name, value);
}
@Override
public void visitEnum(String name, String desc, String value) {
EmptyVisitor.this.visitEnum(name, desc, value);
}
@Override
public AnnotationVisitor visitAnnotation(String name, String desc) {
return EmptyVisitor.this.visitAnnotation(name, desc);
}
@Override
public AnnotationVisitor visitArray(String name) {
return EmptyVisitor.this.visitArray(name);
}
@Override
public void visitEnd() {
EmptyVisitor.this.visitEnd();
}
};
protected final FieldVisitor fv = new FieldVisitor(Opcodes.ASM5) {
@Override
public AnnotationVisitor visitAnnotation(String desc, boolean visible) {
return EmptyVisitor.this.visitAnnotation(desc, visible);
}
@Override
public void visitAttribute(Attribute attribute) {
EmptyVisitor.this.visitAttribute(attribute);
}
@Override
public void visitEnd() {
EmptyVisitor.this.visitEnd();
}
};
protected final MethodVisitor mv = new MethodVisitor(Opcodes.ASM4) {
@Override
public AnnotationVisitor visitAnnotationDefault() {
return EmptyVisitor.this.visitAnnotationDefault();
}
@Override
public AnnotationVisitor visitAnnotation(String desc, boolean visible) {
return EmptyVisitor.this.visitAnnotation(desc, visible);
}
@Override
public AnnotationVisitor visitParameterAnnotation(int parameter, String desc, boolean visible) {
return EmptyVisitor.this.visitMethodParameterAnnotation(parameter, desc, visible);
}
@Override
public void visitAttribute(Attribute attribute) {
EmptyVisitor.this.visitAttribute(attribute);
}
@Override
public void visitCode() {
EmptyVisitor.this.visitCode();
}
@Override
public void visitFrame(int type, int nLocal, Object[] local, int nStack, Object[] stack) {
EmptyVisitor.this.visitFrame(type, nLocal, local, nStack, stack);
}
@Override
public void visitInsn(int opcode) {
EmptyVisitor.this.visitInsn(opcode);
}
@Override
public void visitJumpInsn(int i, Label label) {
EmptyVisitor.this.visitJumpInsn(i, label);
}
@Override
public void visitLabel(Label label) {
EmptyVisitor.this.visitLabel(label);
}
@Override
public void visitLdcInsn(Object cst) {
EmptyVisitor.this.visitLdcInsn(cst);
}
@Override
public void visitIincInsn(int var, int increment) {
EmptyVisitor.this.visitIincInsn(var, increment);
}
@Override
public void visitTableSwitchInsn(int i, int i2, Label label, Label... labels) {
EmptyVisitor.this.visitTableSwitchInsn(i, i2, label, labels);
}
@Override
public void visitLookupSwitchInsn(Label label, int[] ints, Label[] labels) {
EmptyVisitor.this.visitLookupSwitchInsn(label, ints, labels);
}
@Override
public void visitMultiANewArrayInsn(String desc, int dims) {
EmptyVisitor.this.visitMultiANewArrayInsn(desc, dims);
}
@Override
public void visitTryCatchBlock(Label label, Label label2, Label label3, String s) {
EmptyVisitor.this.visitTryCatchBlock(label, label2, label3, s);
}
@Override
public void visitLocalVariable(String s, String s2, String s3, Label label, Label label2, int i) {
EmptyVisitor.this.visitLocalVariable(s, s2, s3, label, label2, i);
}
@Override
public void visitLineNumber(int i, Label label) {
EmptyVisitor.this.visitLineNumber(i, label);
}
@Override
public void visitMaxs(int maxStack, int maxLocals) {
EmptyVisitor.this.visitMaxs(maxStack, maxLocals);
}
@Override
public void visitEnd() {
EmptyVisitor.this.visitEnd();
}
@Override
public void visitIntInsn(int opcode, int operand) {
EmptyVisitor.this.visitIntInsn(opcode, operand);
}
@Override
public void visitVarInsn(int opcode, int var) {
EmptyVisitor.this.visitVarInsn(opcode, var);
}
@Override
public void visitTypeInsn(int opcode, String type) {
EmptyVisitor.this.visitTypeInsn(opcode, type);
}
@Override
public void visitFieldInsn(int opcode, String owner, String name, String desc) {
EmptyVisitor.this.visitFieldInsn(opcode, owner, name, desc);
}
@Override
public void visitMethodInsn(int opcode, String owner, String name, String desc) {
EmptyVisitor.this.visitMethodInsn(opcode, owner, name, desc);
}
@Override
public void visitMethodInsn(int opcode, String owner, String name, String desc, boolean itf) {
EmptyVisitor.this.visitMethodInsn(opcode, owner, name, desc);
}
@Override
public void visitInvokeDynamicInsn(String s, String s2, Handle handle, Object... objects) {
EmptyVisitor.this.visitInvokeDynamicInsn(s, s2, handle, objects);
}
};
public EmptyVisitor() {
super(Opcodes.ASM5);
}
protected AnnotationVisitor visitAnnotationDefault() {
return av;
}
protected AnnotationVisitor visitArray(String name) {
return av;
}
protected AnnotationVisitor visitAnnotation(String name, String desc) {
return av;
}
protected void visitEnum(String name, String desc, String value) {
// no-op
}
protected void visit(String name, Object value) {
// no-op
}
protected void visitVarInsn(int opcode, int var) {
// no-op
}
protected void visitTypeInsn(int opcode, String type) {
// no-op
}
protected void visitFieldInsn(int opcode, String owner, String name, String desc) {
// no-op
}
protected void visitMethodInsn(int opcode, String owner, String name, String desc) {
// no-op
}
protected void visitInvokeDynamicInsn(String s, String s2, Handle handle, Object[] objects) {
// no-op
}
protected void visitIntInsn(int opcode, int operand) {
// no-op
}
protected void visitJumpInsn(int i, Label label) {
// no-op
}
protected void visitLabel(Label label) {
// no-op
}
protected void visitLdcInsn(Object cst) {
// no-op
}
protected void visitIincInsn(int var, int increment) {
// no-op
}
protected void visitTableSwitchInsn(int i, int i2, Label label, Label[] labels) {
// no-op
}
protected void visitLookupSwitchInsn(Label label, int[] ints, Label[] labels) {
// no-op
}
protected void visitMultiANewArrayInsn(String desc, int dims) {
// no-op
}
protected void visitTryCatchBlock(Label label, Label label2, Label label3, String s) {
// no-op
}
protected void visitLocalVariable(String s, String s2, String s3, Label label, Label label2, int i) {
// no-op
}
protected void visitLineNumber(int i, Label label) {
// no-op
}
protected void visitMaxs(int maxStack, int maxLocals) {
// no-op
}
protected void visitInsn(int opcode) {
// no-op
}
protected void visitFrame(int type, int nLocal, Object[] local, int nStack, Object[] stack) {
// no-op
}
protected void visitCode() {
// no-op
}
protected AnnotationVisitor visitMethodParameterAnnotation(int parameter, String desc, boolean visible) {
return av;
}
protected AnnotationVisitor visitParameterAnnotation(int parameter, String desc, boolean visible) {
return av;
}
@Override
public void visit(int version, int access, String name, String signature,
String superName, String[] interfaces) {
if (cv != null) {
cv.visit(version, access, name, signature, superName, interfaces);
}
}
@Override
public void visitSource(String source, String debug) {
if (cv != null) {
cv.visitSource(source, debug);
}
}
@Override
public void visitOuterClass(String owner, String name, String desc) {
if (cv != null) {
cv.visitOuterClass(owner, name, desc);
}
}
@Override
public AnnotationVisitor visitAnnotation(String desc, boolean visible) {
return av;
}
@Override
public void visitAttribute(Attribute attr) {
if (cv != null) {
cv.visitAttribute(attr);
}
}
@Override
public void visitInnerClass(String name, String outerName,
String innerName, int access) {
if (cv != null) {
cv.visitInnerClass(name, outerName, innerName, access);
}
}
@Override
public FieldVisitor visitField(int access, String name, String desc,
String signature, Object value) {
return fv;
}
@Override
public MethodVisitor visitMethod(int access, String name, String desc,
String signature, String[] exceptions) {
return mv;
}
@Override
public AnnotationVisitor visitTypeAnnotation(int typeRef, TypePath typePath, String desc, boolean visible) {
return av;
}
@Override
public void visitEnd() {
if (cv != null) {
cv.visitEnd();
}
}
public AnnotationVisitor annotationVisitor() {
return av;
}
public FieldVisitor fieldVisitor() {
return fv;
}
public MethodVisitor methodVisitor() {
return mv;
}
}