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Fix an infinite recursion by disallowing forward globals in global var defs.

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Sei Lisa 2014-07-27 18:42:55 +02:00
parent 716374eb83
commit f3339b0906
2 changed files with 11 additions and 3 deletions
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5
lslopt/lsloptimizer.py
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@ -165,9 +165,8 @@ class optimizer(object):
if self.globalmode:
val = self.symtab[code[3]][code[2]][2]
if val is not None:
# WARNING: Possible reference loop here
# TODO: Break reference loop by only accepting globals in order
# of definition during parsing.
# Infinite recursion is prevented at the parser level, by
# not allowing forward globals in global var definitions.
self.FoldTree(val)
if code[1] != 'key' and val is not None:
code[:] = [CONSTANT, code[1], val]