On Friday, January 31, 2014 9:31:49 AM UTC-5, Edward K. Ream wrote:
> 1. A prepass will probably be needed to ensure that all nodes in the
@file tree have the proper format.
Yesterday I created the infrastructure needed to make this happen. Rather
than stupidly creating a separate scanner for most language, the importer
now contains the following:
def scanner_for_ext(self,ext):
'''A factory returning a scanner function for the given file
extension.'''
aClass = ext and self.classDispatchDict.get(ext)
def scanner_for_class(atAuto,parent,s):
scanner = aClass(importCommands=self,atAuto=atAuto)
return scanner.run(s,parent)
return scanner_for_class if aClass else None
The same kind of code can be used to create custom scanners that will be
used for the prepass.
> In fact, the regularizer prepass will probably be needed whenever writing
with new_auto enabled.
Yesterday I became quite concerned about the speed of the new @auto code.
Here are some statistics for the revised leoGlobals.py::
precompute_all_data
find_imported_organizer_nodes: 0.01 sec
create_organizer_data: 0.06 sec
create_actual_organizer_nodes: 0.01 sec
create_tree_structure: 0.00 sec
compute_all_organized_positions: 5.34 sec
create_anchors_d: 0.00 sec
create_organizer_nodes
pre_move_comments: 0.02 sec
precompute_all_data: 5.43 sec
demote: 0.14 sec
move_nodes: 2.32 sec
post_move_comments: 0.12 sec
@auto-view moved 349 nodes in 9.21 sec. for @auto
c:\Users\edreamleo\leoGlobalsMod2.py
The stats for vc.compute_all_organized_positions are obviously the
culprit. Imo, it should be possible to make this code run in 0.1 sec. or
less. That's next.
Otoh, the time for vc.demote is a pleasant surprise, despite its
complexity. Imo, vc.move_nodes should be able to run in 0.1 sec. or less,
but this will not be easily accomplished. You could say that the present
code is an existence proof, but doing better will require careful
housekeeping. The problem, as always, is that positions on the work list
change when moved. I have some ideas about how to work around this
problem, but this is not urgent just now.
Edward
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