Examples of org.apache.tapestry5.internal.plastic.asm.MethodVisitor.visitVarInsn()

Package org.apache.tapestry5.internal.plastic.asm

Class org.apache.tapestry5.internal.plastic.asm.MethodVisitor

Examples of org.apache.tapestry5.internal.plastic.asm.MethodVisitor.visitVarInsn()

org.apache.tapestry5.internal.plastic.asm.MethodVisitor.visitVarInsn()
Visits a local variable instruction. A local variable instruction is an instruction that loads or stores the value of a local variable. @param opcode the opcode of the local variable instruction to be visited.This opcode is either ILOAD, LLOAD, FLOAD, DLOAD, ALOAD, ISTORE, LSTORE, FSTORE, DSTORE, ASTORE or RET. @param var the operand of the instruction to be visited. This operand isthe index of a local variable.

            Label l1 = new Label();
            Label l2 = new Label();
            mv.visitTryCatchBlock(l0, l1, l2,
                    "java/lang/ClassNotFoundException");
            mv.visitLabel(l0);
            mv.visitVarInsn(Opcodes.ALOAD, 0);
            mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Class",
                    "forName", "(Ljava/lang/String;)Ljava/lang/Class;", false);
            mv.visitLabel(l1);
            mv.visitInsn(Opcodes.ARETURN);
            mv.visitLabel(l2);

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            mv.visitInsn(Opcodes.ARETURN);
            mv.visitLabel(l2);
            mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL,
                    "java/lang/ClassNotFoundException", "getMessage",
                    "()Ljava/lang/String;", false);
            mv.visitVarInsn(Opcodes.ASTORE, 1);
            mv.visitTypeInsn(Opcodes.NEW, "java/lang/NoClassDefFoundError");
            mv.visitInsn(Opcodes.DUP);
            mv.visitVarInsn(Opcodes.ALOAD, 1);
            mv.visitMethodInsn(Opcodes.INVOKESPECIAL,
                    "java/lang/NoClassDefFoundError", "<init>",

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                    "java/lang/ClassNotFoundException", "getMessage",
                    "()Ljava/lang/String;", false);
            mv.visitVarInsn(Opcodes.ASTORE, 1);
            mv.visitTypeInsn(Opcodes.NEW, "java/lang/NoClassDefFoundError");
            mv.visitInsn(Opcodes.DUP);
            mv.visitVarInsn(Opcodes.ALOAD, 1);
            mv.visitMethodInsn(Opcodes.INVOKESPECIAL,
                    "java/lang/NoClassDefFoundError", "<init>",
                    "(Ljava/lang/String;)V", false);
            mv.visitInsn(Opcodes.ATHROW);
            mv.visitMaxs(3, 2);

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    public void implementPublicConstructor(ClassWriter cw, String superClassName)
    {


        MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKESPECIAL, PlasticInternalUtils.toInternalName(superClassName), "<init>", "()V");
        mv.visitInsn(RETURN);
        mv.visitEnd();
    }

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        // Add default constructor


        MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKESPECIAL, baseClassInternalName, "<init>", "()V");
        mv.visitInsn(RETURN);
        mv.visitMaxs(1, 1);
        mv.visitEnd();

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        // Add default constructor


        MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V");
        mv.visitInsn(RETURN);
        mv.visitMaxs(1, 1);
        mv.visitEnd();

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        ClassWriter cw = createClassWriter(internalName, "java/lang/Object", ACC_PUBLIC);


        // Add default constructor


        MethodVisitor mv = cw.visitMethod(ACC_PROTECTED, "<init>", "()V", null, null);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V");
        mv.visitInsn(RETURN);
        mv.visitMaxs(1, 1);
        mv.visitEnd();

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