question: public void push ( final Type value ) { if ( value == null ) { mv . visitInsn ( Opcodes . ACONST_NULL ) ; } else { switch ( value . getSort ( ) ) { case Type . BOOLEAN : mv . visitFieldInsn ( Opcodes . GETSTATIC , "java/lang/Boolean" , "TYPE" , CLDESC ) ; break ; case Type . CHAR : mv . visitFieldInsn ( Opcodes . GETSTATIC , "java/lang/Character" , "TYPE" , CLDESC ) ; break ; case Type . BYTE : mv . visitFieldInsn ( Opcodes . GETSTATIC , "java/lang/Byte" , "TYPE" , CLDESC ) ; break ; case Type . SHORT : mv . visitFieldInsn ( Opcodes . GETSTATIC , "java/lang/Short" , "TYPE" , CLDESC ) ; break ; case Type . INT : mv . visitFieldInsn ( Opcodes . GETSTATIC , "java/lang/Integer" , "TYPE" , CLDESC ) ; break ; case Type . FLOAT : mv . visitFieldInsn ( Opcodes . GETSTATIC , "java/lang/Float" , "TYPE" , CLDESC ) ; break ; case Type . LONG : mv . visitFieldInsn ( Opcodes . GETSTATIC , "java/lang/Long" , "TYPE" , CLDESC ) ; break ; case Type . DOUBLE : mv . visitFieldInsn ( Opcodes . GETSTATIC , "java/lang/Double" , "TYPE" , CLDESC ) ; break ; default : mv . visitLdcInsn ( value ) ; } } }
target:  Generates the instruction to push the given value on the stack.