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Remove empty SEF events.

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If the state becomes empty, add an empty timer() event. timer() is the parameter-less event with the shortest name.
This commit is contained in:
Sei Lisa 2017-10-30 16:55:00 +01:00
parent e13f210695
commit ed49170d87
1 changed files with 16 additions and 1 deletions
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17
lslopt/lslfoldconst.py
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@ -1497,6 +1497,15 @@ class foldconst(object):
# event definition # event definition
self.CurEvent = node['name'] self.CurEvent = node['name']
self.FoldTree(child, 0) self.FoldTree(child, 0)
# Test if the event is empty and SEF, and remove it if so.
if ('scope' not in node and not self.DoesSomething(child[0],
labels = False) and 'SEF' in self.events[node['name']]
):
# Delete ourselves.
del parent[index]
return
# TODO: This works, but analysis of code paths is DCR's thing # TODO: This works, but analysis of code paths is DCR's thing
# and this is incomplete, e.g. x(){{return;}} is not detected. # and this is incomplete, e.g. x(){{return;}} is not detected.
while 'ch' in child[0] and child[0]['ch']: while 'ch' in child[0] and child[0]['ch']:
@ -1534,8 +1543,14 @@ class foldconst(object):
return return
if nt == 'STDEF': if nt == 'STDEF':
for idx in xrange(len(child)): for idx in xrange(len(child) - 1, -1, -1):
self.FoldTree(child, idx) self.FoldTree(child, idx)
if not child:
# All events removed - add a dummy timer()
child.append({'nt':'FNDEF', 't':None, 'name':'timer',
'pscope':0, 'ptypes':[], 'pnames':[],
'ch':[{'nt':'{}', 't':None, 'ch':[]}]
})
return return
if nt == '{}': if nt == '{}':