A nobserver that has an associated dataframe, to which logging information about patterns and macro variables is written on the trigger event.

some_dflog description

The description of some_dflog will contain an element Patterns that lists the patterns that are written to the dataframe on trigger events.

some_dflog default_dataframe

Return the dataframe that is managed by some_dflog.

some_dflog get_dataframe

Return that dataframe that is currently used by some_dflog. On creation, this is the same as (some_dflog default_dataframe).

some_dflog set_dataframe some_df

Redirect the logging of some_dflog to some_df.

some_dflog add_variable macname

Add the macro variable called macname (without the $) to the list of information logged when a trigger event occurs.

some_dflog add_pattern pat

Add the pattern pat to the list of information logged when a trigger event occurs.