Examples of org.springframework.asm.MethodVisitor.visitFieldInsn()

Class org.springframework.asm.MethodVisitor

Examples of org.springframework.asm.MethodVisitor.visitFieldInsn()

org.springframework.asm.MethodVisitor.visitFieldInsn()
Visits a field instruction. A field instruction is an instruction that loads or stores the value of a field of an object. @param opcode the opcode of the type instruction to be visited. This opcode is either GETSTATIC, PUTSTATIC, GETFIELD or PUTFIELD. @param owner the internal name of the field's owner class (see {@link Type#getInternalName() getInternalName}). @param name the field's name. @param desc the field's descriptor (see {@link Type Type}).


    // field class loading
    MethodVisitor mv = cw.visitMethod(ACC_STATIC, CINIT, voidNoArgMethodDescriptor, null, null);
    mv.visitCode();
    mv.visitLdcInsn(Type.getType(clazz));
    mv.visitFieldInsn(PUTSTATIC, className, CLASS_FIELD_NAME, CLASS_DESCRIPTOR);
    mv.visitInsn(RETURN);
    mv.visitMaxs(1, 0);
    mv.visitEnd();


    String voidArgClassAndIntDescriptor = Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] {

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    // default constructor
    mv = cw.visitMethod(ACC_PUBLIC, INIT, voidNoArgMethodDescriptor, null, null);
    mv.visitCode();
    mv.visitVarInsn(ALOAD, 0);
    mv.visitFieldInsn(GETSTATIC, className, CLASS_FIELD_NAME, CLASS_DESCRIPTOR);
    mv.visitFieldInsn(GETSTATIC, className, ID_FIELD_NAME, Type.INT_TYPE.getDescriptor());
    mv.visitMethodInsn(INVOKESPECIAL, className, INIT, voidArgClassAndIntDescriptor);
    mv.visitInsn(RETURN);
    mv.visitMaxs(3, 1);
    mv.visitEnd();

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    // default constructor
    mv = cw.visitMethod(ACC_PUBLIC, INIT, voidNoArgMethodDescriptor, null, null);
    mv.visitCode();
    mv.visitVarInsn(ALOAD, 0);
    mv.visitFieldInsn(GETSTATIC, className, CLASS_FIELD_NAME, CLASS_DESCRIPTOR);
    mv.visitFieldInsn(GETSTATIC, className, ID_FIELD_NAME, Type.INT_TYPE.getDescriptor());
    mv.visitMethodInsn(INVOKESPECIAL, className, INIT, voidArgClassAndIntDescriptor);
    mv.visitInsn(RETURN);
    mv.visitMaxs(3, 1);
    mv.visitEnd();

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