mirror of
https://github.com/EsotericSoftware/reflectasm.git
synced 2025-03-26 11:12:23 +08:00
Updated synchronization to avoid defining the same class twice.
Fixed issue 8, constructor access for inner classes.
This commit is contained in:
Nathan Sweet
parent
9ede9fd513
commit
ef70ad89dc
@ -9,63 +9,124 @@ import org.objectweb.asm.MethodVisitor;
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import static org.objectweb.asm.Opcodes.*;
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public abstract class ConstructorAccess<T> {
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static public <T> ConstructorAccess<T> get (Class<T> type) {
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try {
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type.getConstructor((Class[])null);
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} catch (Exception ex) {
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if (type.isMemberClass() && !Modifier.isStatic(type.getModifiers()))
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throw new RuntimeException("Class cannot be created (non-static member class): " + type.getName());
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else
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throw new RuntimeException("Class cannot be created (missing no-arg constructor): " + type.getName());
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}
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AccessClassLoader loader = AccessClassLoader.get(type);
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boolean isNonStaticMemberClass;
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public boolean isNonStaticMemberClass () {
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return isNonStaticMemberClass;
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}
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/** Constructor for top-level classes and static nested classes.
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* <p>
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* If the underlying class is a inner (non-static nested) class, a new instance will be created using <code>null</code> as the
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* this$0 synthetic reference. The instantiated object will work as long as it actually don't use any member variable or method
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* fron the enclosing instance. */
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abstract public T newInstance ();
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/** Constructor for inner classes (non-static nested classes).
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* @param enclosingInstance The instance of the enclosing type to which this inner instance is related to (assigned to its
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* synthetic this$0 field). */
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abstract public T newInstance (Object enclosingInstance);
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static public <T> ConstructorAccess<T> get (Class<T> type) {
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Class enclosingType = type.getEnclosingClass();
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boolean isNonStaticMemberClass = enclosingType != null && type.isMemberClass() && !Modifier.isStatic(type.getModifiers());
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String className = type.getName();
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String accessClassName = className + "ConstructorAccess";
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if (accessClassName.startsWith("java.")) accessClassName = "reflectasm." + accessClassName;
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Class accessClass = null;
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try {
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accessClass = loader.loadClass(accessClassName);
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} catch (ClassNotFoundException ignored) {
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}
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if (accessClass == null) {
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String accessClassNameInternal = accessClassName.replace('.', '/');
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String classNameInternal = className.replace('.', '/');
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ClassWriter cw = new ClassWriter(0);
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cw.visit(V1_1, ACC_PUBLIC + ACC_SUPER, accessClassNameInternal, null,
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"com/esotericsoftware/reflectasm/ConstructorAccess", null);
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MethodVisitor mv;
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{
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mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
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mv.visitCode();
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mv.visitVarInsn(ALOAD, 0);
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mv.visitMethodInsn(INVOKESPECIAL, "com/esotericsoftware/reflectasm/ConstructorAccess", "<init>", "()V");
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mv.visitInsn(RETURN);
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mv.visitMaxs(1, 1);
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mv.visitEnd();
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AccessClassLoader loader = AccessClassLoader.get(type);
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synchronized (loader) {
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try {
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accessClass = loader.loadClass(accessClassName);
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} catch (ClassNotFoundException ignored) {
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String accessClassNameInternal = accessClassName.replace('.', '/');
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String classNameInternal = className.replace('.', '/');
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String enclosingClassNameInternal;
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if (!isNonStaticMemberClass) {
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enclosingClassNameInternal = null;
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try {
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type.getConstructor((Class[])null);
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} catch (Exception ex) {
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throw new RuntimeException("Class cannot be created (missing no-arg constructor): " + type.getName());
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}
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} else {
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enclosingClassNameInternal = enclosingType.getName().replace('.', '/');
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try {
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type.getConstructor(enclosingType); // Inner classes should have this.
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} catch (Exception ex) {
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throw new RuntimeException("Non-static member class cannot be created (missing enclosing class constructor): "
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+ type.getName());
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}
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}
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ClassWriter cw = new ClassWriter(0);
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cw.visit(V1_1, ACC_PUBLIC + ACC_SUPER, accessClassNameInternal, null,
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"com/esotericsoftware/reflectasm/ConstructorAccess", null);
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insertConstructor(cw);
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insertNewInstance(cw, classNameInternal);
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insertNewInstanceInner(cw, classNameInternal, enclosingClassNameInternal);
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cw.visitEnd();
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accessClass = loader.defineClass(accessClassName, cw.toByteArray());
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}
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{
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mv = cw.visitMethod(ACC_PUBLIC, "newInstance", "()Ljava/lang/Object;", null, null);
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mv.visitCode();
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mv.visitTypeInsn(NEW, classNameInternal);
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mv.visitInsn(DUP);
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mv.visitMethodInsn(INVOKESPECIAL, classNameInternal, "<init>", "()V");
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mv.visitInsn(ARETURN);
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mv.visitMaxs(2, 1);
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mv.visitEnd();
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}
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cw.visitEnd();
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byte[] data = cw.toByteArray();
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accessClass = loader.defineClass(accessClassName, data);
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}
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try {
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return (ConstructorAccess)accessClass.newInstance();
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ConstructorAccess<T> access = (ConstructorAccess<T>)accessClass.newInstance();
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access.isNonStaticMemberClass = isNonStaticMemberClass;
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return access;
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} catch (Exception ex) {
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throw new RuntimeException("Error constructing constructor access class: " + accessClassName, ex);
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}
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}
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abstract public T newInstance ();
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static private void insertConstructor (ClassWriter cw) {
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MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
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mv.visitCode();
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mv.visitVarInsn(ALOAD, 0);
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mv.visitMethodInsn(INVOKESPECIAL, "com/esotericsoftware/reflectasm/ConstructorAccess", "<init>", "()V");
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mv.visitInsn(RETURN);
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mv.visitMaxs(1, 1);
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mv.visitEnd();
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}
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static void insertNewInstance (ClassWriter cw, String classNameInternal) {
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MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "newInstance", "()Ljava/lang/Object;", null, null);
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mv.visitCode();
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mv.visitTypeInsn(NEW, classNameInternal);
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mv.visitInsn(DUP);
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mv.visitMethodInsn(INVOKESPECIAL, classNameInternal, "<init>", "()V");
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mv.visitInsn(ARETURN);
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mv.visitMaxs(2, 1);
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mv.visitEnd();
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}
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static void insertNewInstanceInner (ClassWriter cw, String classNameInternal, String enclosingClassNameInternal) {
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MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "newInstance", "(Ljava/lang/Object;)Ljava/lang/Object;", null, null);
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mv.visitCode();
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if (enclosingClassNameInternal != null) {
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mv.visitTypeInsn(NEW, classNameInternal);
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mv.visitInsn(DUP);
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mv.visitVarInsn(ALOAD, 1);
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mv.visitTypeInsn(CHECKCAST, enclosingClassNameInternal);
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mv.visitInsn(DUP);
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mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Object", "getClass", "()Ljava/lang/Class;");
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mv.visitInsn(POP);
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mv.visitMethodInsn(INVOKESPECIAL, classNameInternal, "<init>", "(L" + enclosingClassNameInternal + ";)V");
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mv.visitInsn(ARETURN);
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mv.visitMaxs(4, 2);
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} else {
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mv.visitTypeInsn(NEW, "java/lang/UnsupportedOperationException");
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mv.visitInsn(DUP);
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mv.visitLdcInsn("Not an inner class.");
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mv.visitMethodInsn(INVOKESPECIAL, "java/lang/UnsupportedOperationException", "<init>", "(Ljava/lang/String;)V");
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mv.visitInsn(ATHROW);
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mv.visitMaxs(3, 2);
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}
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mv.visitEnd();
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}
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}
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@ -72,8 +72,6 @@ public abstract class FieldAccess {
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abstract public float getFloat (Object instance, int fieldIndex);
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static public FieldAccess get (Class type) {
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AccessClassLoader loader = AccessClassLoader.get(type);
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ArrayList<Field> fields = new ArrayList<Field>();
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Class nextClass = type;
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while (nextClass != Object.class) {
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@ -96,41 +94,41 @@ public abstract class FieldAccess {
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String accessClassName = className + "FieldAccess";
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if (accessClassName.startsWith("java.")) accessClassName = "reflectasm." + accessClassName;
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Class accessClass = null;
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try {
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accessClass = loader.loadClass(accessClassName);
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} catch (ClassNotFoundException ignored) {
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}
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if (accessClass == null) {
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String accessClassNameInternal = accessClassName.replace('.', '/');
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String classNameInternal = className.replace('.', '/');
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ClassWriter cw = new ClassWriter(0);
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cw.visit(V1_1, ACC_PUBLIC + ACC_SUPER, accessClassNameInternal, null, "com/esotericsoftware/reflectasm/FieldAccess",
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null);
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AccessClassLoader loader = AccessClassLoader.get(type);
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synchronized (loader) {
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try {
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accessClass = loader.loadClass(accessClassName);
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} catch (ClassNotFoundException ignored) {
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String accessClassNameInternal = accessClassName.replace('.', '/');
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String classNameInternal = className.replace('.', '/');
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insertConstructor(cw);
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insertGetObject(cw, classNameInternal, fields);
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insertSetObject(cw, classNameInternal, fields);
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insertGetPrimitive(cw, classNameInternal, fields, Type.BOOLEAN_TYPE);
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insertSetPrimitive(cw, classNameInternal, fields, Type.BOOLEAN_TYPE);
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insertGetPrimitive(cw, classNameInternal, fields, Type.BYTE_TYPE);
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insertSetPrimitive(cw, classNameInternal, fields, Type.BYTE_TYPE);
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insertGetPrimitive(cw, classNameInternal, fields, Type.SHORT_TYPE);
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insertSetPrimitive(cw, classNameInternal, fields, Type.SHORT_TYPE);
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insertGetPrimitive(cw, classNameInternal, fields, Type.INT_TYPE);
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insertSetPrimitive(cw, classNameInternal, fields, Type.INT_TYPE);
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insertGetPrimitive(cw, classNameInternal, fields, Type.LONG_TYPE);
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insertSetPrimitive(cw, classNameInternal, fields, Type.LONG_TYPE);
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insertGetPrimitive(cw, classNameInternal, fields, Type.DOUBLE_TYPE);
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insertSetPrimitive(cw, classNameInternal, fields, Type.DOUBLE_TYPE);
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insertGetPrimitive(cw, classNameInternal, fields, Type.FLOAT_TYPE);
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insertSetPrimitive(cw, classNameInternal, fields, Type.FLOAT_TYPE);
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insertGetPrimitive(cw, classNameInternal, fields, Type.CHAR_TYPE);
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insertSetPrimitive(cw, classNameInternal, fields, Type.CHAR_TYPE);
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insertGetString(cw, classNameInternal, fields);
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cw.visitEnd();
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accessClass = loader.defineClass(accessClassName, cw.toByteArray());
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ClassWriter cw = new ClassWriter(0);
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cw.visit(V1_1, ACC_PUBLIC + ACC_SUPER, accessClassNameInternal, null, "com/esotericsoftware/reflectasm/FieldAccess",
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null);
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insertConstructor(cw);
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insertGetObject(cw, classNameInternal, fields);
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insertSetObject(cw, classNameInternal, fields);
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insertGetPrimitive(cw, classNameInternal, fields, Type.BOOLEAN_TYPE);
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insertSetPrimitive(cw, classNameInternal, fields, Type.BOOLEAN_TYPE);
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insertGetPrimitive(cw, classNameInternal, fields, Type.BYTE_TYPE);
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insertSetPrimitive(cw, classNameInternal, fields, Type.BYTE_TYPE);
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insertGetPrimitive(cw, classNameInternal, fields, Type.SHORT_TYPE);
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insertSetPrimitive(cw, classNameInternal, fields, Type.SHORT_TYPE);
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insertGetPrimitive(cw, classNameInternal, fields, Type.INT_TYPE);
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insertSetPrimitive(cw, classNameInternal, fields, Type.INT_TYPE);
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insertGetPrimitive(cw, classNameInternal, fields, Type.LONG_TYPE);
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insertSetPrimitive(cw, classNameInternal, fields, Type.LONG_TYPE);
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insertGetPrimitive(cw, classNameInternal, fields, Type.DOUBLE_TYPE);
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insertSetPrimitive(cw, classNameInternal, fields, Type.DOUBLE_TYPE);
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insertGetPrimitive(cw, classNameInternal, fields, Type.FLOAT_TYPE);
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insertSetPrimitive(cw, classNameInternal, fields, Type.FLOAT_TYPE);
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insertGetPrimitive(cw, classNameInternal, fields, Type.CHAR_TYPE);
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insertSetPrimitive(cw, classNameInternal, fields, Type.CHAR_TYPE);
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insertGetString(cw, classNameInternal, fields);
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cw.visitEnd();
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accessClass = loader.defineClass(accessClassName, cw.toByteArray());
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}
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}
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try {
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FieldAccess access = (FieldAccess)accessClass.newInstance();
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@ -539,7 +537,7 @@ public abstract class FieldAccess {
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mv.visitInsn(DUP);
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mv.visitTypeInsn(NEW, "java/lang/StringBuilder");
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mv.visitInsn(DUP);
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mv.visitLdcInsn("The field is not declared as " + fieldType + ": ");
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mv.visitLdcInsn("Field not declared as " + fieldType + ": ");
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mv.visitMethodInsn(INVOKESPECIAL, "java/lang/StringBuilder", "<init>", "(Ljava/lang/String;)V");
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mv.visitVarInsn(ILOAD, 2);
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mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(I)Ljava/lang/StringBuilder;");
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@ -47,8 +47,6 @@ public abstract class MethodAccess {
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}
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static public MethodAccess get (Class type) {
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AccessClassLoader loader = AccessClassLoader.get(type);
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ArrayList<Method> methods = new ArrayList();
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Class nextClass = type;
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while (nextClass != Object.class) {
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@ -75,163 +73,165 @@ public abstract class MethodAccess {
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String accessClassName = className + "MethodAccess";
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if (accessClassName.startsWith("java.")) accessClassName = "reflectasm." + accessClassName;
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Class accessClass = null;
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try {
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accessClass = loader.loadClass(accessClassName);
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} catch (ClassNotFoundException ignored) {
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}
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if (accessClass == null) {
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String accessClassNameInternal = accessClassName.replace('.', '/');
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String classNameInternal = className.replace('.', '/');
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ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS);
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MethodVisitor mv;
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cw.visit(V1_1, ACC_PUBLIC + ACC_SUPER, accessClassNameInternal, null, "com/esotericsoftware/reflectasm/MethodAccess",
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null);
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{
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mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
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mv.visitCode();
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mv.visitVarInsn(ALOAD, 0);
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mv.visitMethodInsn(INVOKESPECIAL, "com/esotericsoftware/reflectasm/MethodAccess", "<init>", "()V");
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mv.visitInsn(RETURN);
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mv.visitMaxs(0, 0);
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mv.visitEnd();
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}
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{
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mv = cw.visitMethod(ACC_PUBLIC + ACC_VARARGS, "invoke", "(Ljava/lang/Object;I[Ljava/lang/Object;)Ljava/lang/Object;",
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null, null);
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mv.visitCode();
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AccessClassLoader loader = AccessClassLoader.get(type);
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synchronized (loader) {
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try {
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accessClass = loader.loadClass(accessClassName);
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} catch (ClassNotFoundException ignored) {
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String accessClassNameInternal = accessClassName.replace('.', '/');
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String classNameInternal = className.replace('.', '/');
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if (!methods.isEmpty()) {
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mv.visitVarInsn(ALOAD, 1);
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mv.visitTypeInsn(CHECKCAST, classNameInternal);
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mv.visitVarInsn(ASTORE, 4);
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ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS);
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MethodVisitor mv;
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cw.visit(V1_1, ACC_PUBLIC + ACC_SUPER, accessClassNameInternal, null, "com/esotericsoftware/reflectasm/MethodAccess",
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null);
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{
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mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
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mv.visitCode();
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mv.visitVarInsn(ALOAD, 0);
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mv.visitMethodInsn(INVOKESPECIAL, "com/esotericsoftware/reflectasm/MethodAccess", "<init>", "()V");
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mv.visitInsn(RETURN);
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mv.visitMaxs(0, 0);
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mv.visitEnd();
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}
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{
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mv = cw.visitMethod(ACC_PUBLIC + ACC_VARARGS, "invoke",
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"(Ljava/lang/Object;I[Ljava/lang/Object;)Ljava/lang/Object;", null, null);
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mv.visitCode();
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mv.visitVarInsn(ILOAD, 2);
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Label[] labels = new Label[methods.size()];
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for (int i = 0, n = labels.length; i < n; i++)
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labels[i] = new Label();
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Label defaultLabel = new Label();
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mv.visitTableSwitchInsn(0, labels.length - 1, defaultLabel, labels);
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if (!methods.isEmpty()) {
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mv.visitVarInsn(ALOAD, 1);
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mv.visitTypeInsn(CHECKCAST, classNameInternal);
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mv.visitVarInsn(ASTORE, 4);
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StringBuilder buffer = new StringBuilder(128);
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for (int i = 0, n = labels.length; i < n; i++) {
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mv.visitLabel(labels[i]);
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if (i == 0)
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mv.visitFrame(Opcodes.F_APPEND, 1, new Object[] {classNameInternal}, 0, null);
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else
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mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
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mv.visitVarInsn(ALOAD, 4);
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mv.visitVarInsn(ILOAD, 2);
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Label[] labels = new Label[methods.size()];
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for (int i = 0, n = labels.length; i < n; i++)
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labels[i] = new Label();
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Label defaultLabel = new Label();
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mv.visitTableSwitchInsn(0, labels.length - 1, defaultLabel, labels);
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buffer.setLength(0);
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buffer.append('(');
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StringBuilder buffer = new StringBuilder(128);
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for (int i = 0, n = labels.length; i < n; i++) {
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mv.visitLabel(labels[i]);
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if (i == 0)
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mv.visitFrame(Opcodes.F_APPEND, 1, new Object[] {classNameInternal}, 0, null);
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else
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mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
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mv.visitVarInsn(ALOAD, 4);
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Method method = methods.get(i);
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Class[] paramTypes = method.getParameterTypes();
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for (int paramIndex = 0; paramIndex < paramTypes.length; paramIndex++) {
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mv.visitVarInsn(ALOAD, 3);
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mv.visitIntInsn(BIPUSH, paramIndex);
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mv.visitInsn(AALOAD);
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Type paramType = Type.getType(paramTypes[paramIndex]);
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switch (paramType.getSort()) {
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buffer.setLength(0);
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buffer.append('(');
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Method method = methods.get(i);
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Class[] paramTypes = method.getParameterTypes();
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for (int paramIndex = 0; paramIndex < paramTypes.length; paramIndex++) {
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mv.visitVarInsn(ALOAD, 3);
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mv.visitIntInsn(BIPUSH, paramIndex);
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mv.visitInsn(AALOAD);
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Type paramType = Type.getType(paramTypes[paramIndex]);
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switch (paramType.getSort()) {
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case Type.BOOLEAN:
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mv.visitTypeInsn(CHECKCAST, "java/lang/Boolean");
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mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Boolean", "booleanValue", "()Z");
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break;
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case Type.BYTE:
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mv.visitTypeInsn(CHECKCAST, "java/lang/Byte");
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mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Byte", "byteValue", "()B");
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break;
|
||||
case Type.CHAR:
|
||||
mv.visitTypeInsn(CHECKCAST, "java/lang/Character");
|
||||
mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Character", "charValue", "()C");
|
||||
break;
|
||||
case Type.SHORT:
|
||||
mv.visitTypeInsn(CHECKCAST, "java/lang/Short");
|
||||
mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Short", "shortValue", "()S");
|
||||
break;
|
||||
case Type.INT:
|
||||
mv.visitTypeInsn(CHECKCAST, "java/lang/Integer");
|
||||
mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Integer", "intValue", "()I");
|
||||
break;
|
||||
case Type.FLOAT:
|
||||
mv.visitTypeInsn(CHECKCAST, "java/lang/Float");
|
||||
mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Float", "floatValue", "()F");
|
||||
break;
|
||||
case Type.LONG:
|
||||
mv.visitTypeInsn(CHECKCAST, "java/lang/Long");
|
||||
mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Long", "longValue", "()J");
|
||||
break;
|
||||
case Type.DOUBLE:
|
||||
mv.visitTypeInsn(CHECKCAST, "java/lang/Double");
|
||||
mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Double", "doubleValue", "()D");
|
||||
break;
|
||||
case Type.ARRAY:
|
||||
mv.visitTypeInsn(CHECKCAST, paramType.getDescriptor());
|
||||
break;
|
||||
case Type.OBJECT:
|
||||
mv.visitTypeInsn(CHECKCAST, paramType.getInternalName());
|
||||
break;
|
||||
}
|
||||
buffer.append(paramType.getDescriptor());
|
||||
}
|
||||
|
||||
buffer.append(')');
|
||||
buffer.append(Type.getDescriptor(method.getReturnType()));
|
||||
mv.visitMethodInsn(INVOKEVIRTUAL, classNameInternal, method.getName(), buffer.toString());
|
||||
|
||||
switch (Type.getType(method.getReturnType()).getSort()) {
|
||||
case Type.VOID:
|
||||
mv.visitInsn(ACONST_NULL);
|
||||
break;
|
||||
case Type.BOOLEAN:
|
||||
mv.visitTypeInsn(CHECKCAST, "java/lang/Boolean");
|
||||
mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Boolean", "booleanValue", "()Z");
|
||||
mv.visitMethodInsn(INVOKESTATIC, "java/lang/Boolean", "valueOf", "(Z)Ljava/lang/Boolean;");
|
||||
break;
|
||||
case Type.BYTE:
|
||||
mv.visitTypeInsn(CHECKCAST, "java/lang/Byte");
|
||||
mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Byte", "byteValue", "()B");
|
||||
mv.visitMethodInsn(INVOKESTATIC, "java/lang/Byte", "valueOf", "(B)Ljava/lang/Byte;");
|
||||
break;
|
||||
case Type.CHAR:
|
||||
mv.visitTypeInsn(CHECKCAST, "java/lang/Character");
|
||||
mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Character", "charValue", "()C");
|
||||
mv.visitMethodInsn(INVOKESTATIC, "java/lang/Character", "valueOf", "(C)Ljava/lang/Character;");
|
||||
break;
|
||||
case Type.SHORT:
|
||||
mv.visitTypeInsn(CHECKCAST, "java/lang/Short");
|
||||
mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Short", "shortValue", "()S");
|
||||
mv.visitMethodInsn(INVOKESTATIC, "java/lang/Short", "valueOf", "(S)Ljava/lang/Short;");
|
||||
break;
|
||||
case Type.INT:
|
||||
mv.visitTypeInsn(CHECKCAST, "java/lang/Integer");
|
||||
mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Integer", "intValue", "()I");
|
||||
mv.visitMethodInsn(INVOKESTATIC, "java/lang/Integer", "valueOf", "(I)Ljava/lang/Integer;");
|
||||
break;
|
||||
case Type.FLOAT:
|
||||
mv.visitTypeInsn(CHECKCAST, "java/lang/Float");
|
||||
mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Float", "floatValue", "()F");
|
||||
mv.visitMethodInsn(INVOKESTATIC, "java/lang/Float", "valueOf", "(F)Ljava/lang/Float;");
|
||||
break;
|
||||
case Type.LONG:
|
||||
mv.visitTypeInsn(CHECKCAST, "java/lang/Long");
|
||||
mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Long", "longValue", "()J");
|
||||
mv.visitMethodInsn(INVOKESTATIC, "java/lang/Long", "valueOf", "(J)Ljava/lang/Long;");
|
||||
break;
|
||||
case Type.DOUBLE:
|
||||
mv.visitTypeInsn(CHECKCAST, "java/lang/Double");
|
||||
mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Double", "doubleValue", "()D");
|
||||
break;
|
||||
case Type.ARRAY:
|
||||
mv.visitTypeInsn(CHECKCAST, paramType.getDescriptor());
|
||||
break;
|
||||
case Type.OBJECT:
|
||||
mv.visitTypeInsn(CHECKCAST, paramType.getInternalName());
|
||||
mv.visitMethodInsn(INVOKESTATIC, "java/lang/Double", "valueOf", "(D)Ljava/lang/Double;");
|
||||
break;
|
||||
}
|
||||
buffer.append(paramType.getDescriptor());
|
||||
|
||||
mv.visitInsn(ARETURN);
|
||||
}
|
||||
|
||||
buffer.append(')');
|
||||
buffer.append(Type.getDescriptor(method.getReturnType()));
|
||||
mv.visitMethodInsn(INVOKEVIRTUAL, classNameInternal, method.getName(), buffer.toString());
|
||||
|
||||
switch (Type.getType(method.getReturnType()).getSort()) {
|
||||
case Type.VOID:
|
||||
mv.visitInsn(ACONST_NULL);
|
||||
break;
|
||||
case Type.BOOLEAN:
|
||||
mv.visitMethodInsn(INVOKESTATIC, "java/lang/Boolean", "valueOf", "(Z)Ljava/lang/Boolean;");
|
||||
break;
|
||||
case Type.BYTE:
|
||||
mv.visitMethodInsn(INVOKESTATIC, "java/lang/Byte", "valueOf", "(B)Ljava/lang/Byte;");
|
||||
break;
|
||||
case Type.CHAR:
|
||||
mv.visitMethodInsn(INVOKESTATIC, "java/lang/Character", "valueOf", "(C)Ljava/lang/Character;");
|
||||
break;
|
||||
case Type.SHORT:
|
||||
mv.visitMethodInsn(INVOKESTATIC, "java/lang/Short", "valueOf", "(S)Ljava/lang/Short;");
|
||||
break;
|
||||
case Type.INT:
|
||||
mv.visitMethodInsn(INVOKESTATIC, "java/lang/Integer", "valueOf", "(I)Ljava/lang/Integer;");
|
||||
break;
|
||||
case Type.FLOAT:
|
||||
mv.visitMethodInsn(INVOKESTATIC, "java/lang/Float", "valueOf", "(F)Ljava/lang/Float;");
|
||||
break;
|
||||
case Type.LONG:
|
||||
mv.visitMethodInsn(INVOKESTATIC, "java/lang/Long", "valueOf", "(J)Ljava/lang/Long;");
|
||||
break;
|
||||
case Type.DOUBLE:
|
||||
mv.visitMethodInsn(INVOKESTATIC, "java/lang/Double", "valueOf", "(D)Ljava/lang/Double;");
|
||||
break;
|
||||
}
|
||||
|
||||
mv.visitInsn(ARETURN);
|
||||
mv.visitLabel(defaultLabel);
|
||||
mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
|
||||
}
|
||||
|
||||
mv.visitLabel(defaultLabel);
|
||||
mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
|
||||
mv.visitTypeInsn(NEW, "java/lang/IllegalArgumentException");
|
||||
mv.visitInsn(DUP);
|
||||
mv.visitTypeInsn(NEW, "java/lang/StringBuilder");
|
||||
mv.visitInsn(DUP);
|
||||
mv.visitLdcInsn("Method not found: ");
|
||||
mv.visitMethodInsn(INVOKESPECIAL, "java/lang/StringBuilder", "<init>", "(Ljava/lang/String;)V");
|
||||
mv.visitVarInsn(ILOAD, 2);
|
||||
mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(I)Ljava/lang/StringBuilder;");
|
||||
mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "toString", "()Ljava/lang/String;");
|
||||
mv.visitMethodInsn(INVOKESPECIAL, "java/lang/IllegalArgumentException", "<init>", "(Ljava/lang/String;)V");
|
||||
mv.visitInsn(ATHROW);
|
||||
mv.visitMaxs(0, 0);
|
||||
mv.visitEnd();
|
||||
}
|
||||
mv.visitTypeInsn(NEW, "java/lang/IllegalArgumentException");
|
||||
mv.visitInsn(DUP);
|
||||
mv.visitTypeInsn(NEW, "java/lang/StringBuilder");
|
||||
mv.visitInsn(DUP);
|
||||
mv.visitLdcInsn("Method not found: ");
|
||||
mv.visitMethodInsn(INVOKESPECIAL, "java/lang/StringBuilder", "<init>", "(Ljava/lang/String;)V");
|
||||
mv.visitVarInsn(ILOAD, 2);
|
||||
mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(I)Ljava/lang/StringBuilder;");
|
||||
mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "toString", "()Ljava/lang/String;");
|
||||
mv.visitMethodInsn(INVOKESPECIAL, "java/lang/IllegalArgumentException", "<init>", "(Ljava/lang/String;)V");
|
||||
mv.visitInsn(ATHROW);
|
||||
mv.visitMaxs(0, 0);
|
||||
mv.visitEnd();
|
||||
cw.visitEnd();
|
||||
byte[] data = cw.toByteArray();
|
||||
accessClass = loader.defineClass(accessClassName, data);
|
||||
}
|
||||
cw.visitEnd();
|
||||
byte[] data = cw.toByteArray();
|
||||
accessClass = loader.defineClass(accessClassName, data);
|
||||
}
|
||||
try {
|
||||
MethodAccess access = (MethodAccess)accessClass.newInstance();
|
||||
|
||||
Loading…
Reference in New Issue
Block a user