override this method to provide an icon with optional tooltip and popup actions . this icon will be shown on the editor gutter to the left of the execution line when this thread is selected in ` frames ' tab . concode_field_sep XExecutionStack[] EMPTY_ARRAY concode_elem_sep String myDisplayName concode_elem_sep Icon myIcon concode_field_sep void addStackFrames concode_elem_sep String getDisplayName concode_elem_sep void computeStackFrames concode_elem_sep XStackFrame getTopFrame concode_elem_sep Icon getIcon
GutterIconRenderer function ( ) { return null ; }