question: returns the instruction to be executed at the indicated index , or null if there is no instruction at that index . concode_field_sep boolean startedTxn concode_elem_sep TempTableStore tempTables concode_elem_sep int counter concode_elem_sep boolean atomic concode_elem_sep List<ProgramInstruction> programInstructions concode_elem_sep boolean trappingExceptions concode_elem_sep String label concode_elem_sep String exceptionGroup concode_elem_sep Program exceptionProgram concode_field_sep PlanNode getDescriptionProperties concode_elem_sep boolean isTrappingExceptions concode_elem_sep void addInstructions concode_elem_sep String getLabel concode_elem_sep void setStartedTxn concode_elem_sep Program getExceptionProgram concode_elem_sep ProgramInstruction getCurrentInstruction concode_elem_sep void addInstruction concode_elem_sep void incrementProgramCounter concode_elem_sep void decrementProgramCounter concode_elem_sep int getProgramCounter concode_elem_sep void programToString concode_elem_sep void setTrappingExceptions concode_elem_sep boolean startedTxn concode_elem_sep void printLine concode_elem_sep List<ProgramInstruction> getProcessorInstructions concode_elem_sep void setExceptionProgram concode_elem_sep TempTableStore getTempTableStore concode_elem_sep ProgramInstruction getInstructionAtIndex concode_elem_sep String getExceptionGroup concode_elem_sep Program clone concode_elem_sep void setLabel concode_elem_sep void reset concode_elem_sep String toString concode_elem_sep boolean isAtomic concode_elem_sep void setExceptionGroup
target: ProgramInstruction function ( int arg0 ) { return getInstructionAtIndex ( arg0 ) ; }