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Restart numbering at every parameter table. Saves many identifiers.

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Sei Lisa 2014-08-09 23:19:00 +02:00
parent de4d6f8857
commit 649de92ebd
1 changed files with 10 additions and 3 deletions
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13
lslopt/lslrenamer.py
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@ -59,7 +59,8 @@ class renamer(object):
elif kind == 'v': elif kind == 'v':
globalvars.append(name) globalvars.append(name)
else: else:
assert False, 'Invalid kind at this scope: ' + kind # pragma: no cover assert False, 'Invalid kind at this scope: ' \
+ kind # pragma: no cover
# We make three passes, one for states, then functions, then globals, # We make three passes, one for states, then functions, then globals,
# in that order. # in that order.
@ -112,11 +113,13 @@ class renamer(object):
# Do the same for function and event parameter names. Pure locals get # Do the same for function and event parameter names. Pure locals get
# long distinct names. # long distinct names.
First = True First = True
restart = self.WordFirstChar
for table in self.symtab: for table in self.symtab:
if First: if First:
First = False First = False
# Skip globals # Skip globals
continue continue
InParams = False
for name,sym in table.iteritems(): for name,sym in table.iteritems():
if name == -1: continue if name == -1: continue
if sym['Kind'] != 'v': if sym['Kind'] != 'v':
@ -124,10 +127,14 @@ class renamer(object):
name = name # trick the optimizer name = name # trick the optimizer
continue continue
if 'Param' in sym: if 'Param' in sym:
if not InParams:
# Restart at every new parameter table.
# Parameter tables are isolated from each other.
InParams = True
self.WordFirstChar = restart
# Same procedure as for global vars # Same procedure as for global vars
# Not the best strategy (using locally unique names would # Not the best strategy (using locally unique names would
# do a better job) but hey. At the time of writing there's # do a better job) but hey.
# no reference analysis. TODO: Implement.
if ReusableNames: if ReusableNames:
short = ReusableNames.pop() short = ReusableNames.pop()
self.UsedNames.add(short) self.UsedNames.add(short)