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Bugfix mutator and 0 len expr

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This commit is contained in:
Yann Weber 2018-05-17 05:38:30 +02:00
commit cb1b9531b4
2 changed files with 5 additions and 3 deletions
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2
gte/__main__.py
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@ -112,6 +112,8 @@ if 'pool_size' in args:
# for _ in range(args.pool_size)]
else:
prog = rpnlib.RpnExpr.from_string(args.prog)
if len(prog) == 0:
prog = rpnlib.RpnExpr([rpnlib.RpnSymbol.from_string('0')])
progs = [prog]
progs += [mutate(prog, force=True) for _ in range(args.pool_size-1)]

6
gte/mutator.py
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@ -61,14 +61,14 @@ def mutadd(expr):
return expr
def mutdel(expr):
if len(expr) == 1:
if len(expr) <= 1:
return mutadd(expr)
pos = randint(0, len(expr)-1)
del(expr[pos])
return expr
def mutupdtype(expr):
if len(expr) == 1:
if len(expr) <= 1:
pos = 0
else:
pos = randint(0, len(expr) - 1)
@ -78,7 +78,7 @@ def mutupdtype(expr):
return expr
def mutupdval(expr):
if len(expr) == 1:
if len(expr) <= 1:
pos = 0
else:
pos = randint(0, len(expr) - 1)