Examples of org.objectweb.asm.ClassWriter

org.objectweb.asm.ClassWriter
A {@link ClassVisitor ClassVisitor} that generates Java class files. Moreprecisely this visitor generates a byte array conforming to the Java class file format. It can be used alone, to generate a Java class "from scratch", or with one or more {@link ClassReader ClassReader} and adapter classvisitor to generate a modified class from one or more existing Java classes. @author Eric Bruneton

            Class c = tryClass(mname);
            try {
                if (c == null) {
                    Class[] signature = new Class[] { RubyKernel.IRUBY_OBJECT, Block.class };
                    Class ret = getReturnClass(method, signature);
                    ClassWriter cw = createCtor(mnamePath);
                    MethodVisitor mv = startCallS(cw);
                    mv.visitVarInsn(ALOAD, 3);
                    mv.visitMethodInsn(INVOKESTATIC, typePath, method, sig(ret, signature));
                    mv.visitInsn(ARETURN);
                    mv.visitMaxs(1, 3);

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            try {
                Class[] descriptor = new Class[] {arg1};
                if (c == null) {
                    Class[] signature = new Class[] { RubyKernel.IRUBY_OBJECT, arg1, Block.class };
                    Class ret = getReturnClass(method, signature);
                    ClassWriter cw = createCtor(mnamePath);
                    MethodVisitor mv = startCallS(cw);
                    
                    loadArguments(mv, METHOD_ARGS_INDEX, 1, descriptor);


                    mv.visitVarInsn(ALOAD, 3);

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            try {
                Class[] descriptor = new Class[] {arg1, arg2};
                if (c == null) {
                    Class[] signature = new Class[] { RubyKernel.IRUBY_OBJECT, arg1, arg2, Block.class };
                    Class ret = getReturnClass(method, signature);
                    ClassWriter cw = createCtor(mnamePath);
                    MethodVisitor mv = startCallS(cw);
                    
                    loadArguments(mv, METHOD_ARGS_INDEX, 2, descriptor);
                    mv.visitVarInsn(ALOAD, 3);
                    mv.visitMethodInsn(INVOKESTATIC, typePath, method, sig(ret, signature));

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            try {
                Class[] descriptor = new Class[] {arg1, arg2, arg3};
                if (c == null) {
                    Class[] signature = new Class[] { RubyKernel.IRUBY_OBJECT, arg1, arg2, arg3, Block.class };
                    Class ret = getReturnClass(method, signature);
                    ClassWriter cw = createCtor(mnamePath);
                    MethodVisitor mv = startCallS(cw);
                    
                    loadArguments(mv, METHOD_ARGS_INDEX, 3, descriptor);
                    mv.visitVarInsn(ALOAD, 3);
                    mv.visitMethodInsn(INVOKESTATIC, typePath, method, sig(ret, signature));

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        String mnamePath = typePathString + "BlockCallback$" + method + "xx1";
        synchronized (classLoader) {
            Class c = tryClass(mname);
            try {
                if (c == null) {
                    ClassWriter cw = createBlockCtor(mnamePath);
                    SkinnyMethodAdapter mv = startBlockCall(cw);
                    mv.aload(0);
                    mv.getfield(p(AbstractCompiledBlockCallback.class), "$scriptObject", ci(Object.class));
                    mv.checkcast(p(typeClass));
                    mv.aload(1);

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            Class c = tryClass(mname);
            try {
                if (c == null) {
                    Class[] signature = new Class[] { RubyKernel.IRUBY_OBJECT, IRubyObject[].class, Block.class };
                    Class ret = getReturnClass(method, signature);
                    ClassWriter cw = createCtor(mnamePath);
                    MethodVisitor mv = startCallS(cw);
                    
                    mv.visitVarInsn(ALOAD, METHOD_ARGS_INDEX);
                    checkCast(mv, IRubyObject[].class);
                    mv.visitVarInsn(ALOAD, 3);

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            Class c = tryClass(mname);
            try {
                if (c == null) {
                    Class[] signature = new Class[] { IRubyObject[].class, Block.class };
                    Class ret = getReturnClass(method, signature);
                    ClassWriter cw = createCtor(mnamePath);
                    MethodVisitor mv = startCall(cw);
                    
                    mv.visitVarInsn(ALOAD, METHOD_ARGS_INDEX);
                    checkCast(mv, IRubyObject[].class);
                    mv.visitVarInsn(ALOAD, 3);

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        synchronized (runtime.getJRubyClassLoader()) {
            Class c = tryClass(mname);
            try {
                if (c == null) {
                    Class ret = getReturnClass(method, new Class[0]);
                    ClassWriter cw = createCtorFast(mnamePath);
                    MethodVisitor mv = startCallFast(cw);


                    mv.visitMethodInsn(INVOKEVIRTUAL, typePath, method, sig(ret));
                    mv.visitInsn(ARETURN);
                    mv.visitMaxs(1, 3);

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            try {
                Class[] descriptor = new Class[] { arg1 };
                if (c == null) {
                    Class[] signature = descriptor;
                    Class ret = getReturnClass(method, signature);
                    ClassWriter cw = createCtorFast(mnamePath);
                    MethodVisitor mv = startCallFast(cw);
                    
                    loadArguments(mv, METHOD_ARGS_INDEX, 1, descriptor);


                    mv.visitMethodInsn(INVOKEVIRTUAL, typePath, method, sig(ret, signature));

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            try {
                Class[] descriptor = new Class[] { arg1, arg2 };
                if (c == null) {
                    Class[] signature = descriptor;
                    Class ret = getReturnClass(method, signature);
                    ClassWriter cw = createCtorFast(mnamePath);
                    MethodVisitor mv = startCallFast(cw);
                    
                    loadArguments(mv, METHOD_ARGS_INDEX, 2, descriptor);


                    mv.visitMethodInsn(INVOKEVIRTUAL, typePath, method, sig(ret, signature));

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