Miko/LSL-PyOptimizer
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Optimize out function calls to SEF functions with non-SEF arguments.

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The function call is removed, and the arguments transformed to a block of expression statements.
This commit is contained in:
Sei Lisa
2015-03-13 23:48:24 +01:00
parent df31a69465
commit 9bd66dd6fa
1 changed files with 10 additions and 0 deletions
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10
lslopt/lslfoldconst.py
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@@ -61,6 +61,16 @@ class foldconst(object):
if node['nt'] in ('V++', 'V--'): if node['nt'] in ('V++', 'V--'):
node['nt'] = '++V' if node['nt'] == 'V++' else '--V'; node['nt'] = '++V' if node['nt'] == 'V++' else '--V';
# Function calls are SEF if both the function and the args are SEF.
# If the statement is a function call and the function is marked as SEF
# at this point, it means the arguments are not SEF. Replace the node
# in that case with a block.
if node['nt'] == 'FNCALL' and 'SEF' in self.symtab[0][node['name']] and 'Loc' in self.symtab[0][node['name']]:
parent[index] = {'nt':'{}', 't':None, 'ch':
[{'nt':'EXPR','t':x['t'],'ch':[x]} for x in node['ch']]}
self.FoldTree(parent, index)
return
def IsBool(self, node): def IsBool(self, node):
"""Some operators return 0 or 1, and that allows simplification of """Some operators return 0 or 1, and that allows simplification of
boolean expressions. This function returns whether we know for sure boolean expressions. This function returns whether we know for sure