aCompetentBean/gazprea-fuzzer-python
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Added correct comparisons and implemented all basic types

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Took 27 minutes
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ayrton 2023-11-21 23:03:12 -07:00
parent 09010a4789
commit 4d8609c38e
3 changed files with 15 additions and 2 deletions
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14
ast_generator/ast_generator.py
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@ -332,6 +332,11 @@ class AstGenerator:
self.generate_unary(op, random.choice(expr_type)) self.generate_unary(op, random.choice(expr_type))
elif op == GAZ_BRACKET_TAG: elif op == GAZ_BRACKET_TAG:
self.generate_bracket(random.choice(expr_type)) self.generate_bracket(random.choice(expr_type))
elif comparison:
if op in ['equality', 'inequality']:
self.generate_binary(op, random.choice([GAZ_INT_KEY, GAZ_FLOAT_KEY, GAZ_CHAR_KEY]))
else:
self.generate_binary(op, random.choice([GAZ_INT_KEY, GAZ_FLOAT_KEY]))
else: else:
self.generate_binary(op, random.choice(expr_type)) self.generate_binary(op, random.choice(expr_type))
@ -532,7 +537,12 @@ class AstGenerator:
if expr_type == GAZ_INT_KEY or expr_type == GAZ_FLOAT_KEY: if expr_type == GAZ_INT_KEY or expr_type == GAZ_FLOAT_KEY:
self.generate_int_expr() self.generate_int_expr()
elif expr_type == GAZ_BOOL_KEY: elif expr_type == GAZ_BOOL_KEY:
self.generate_bool_expr() if random.random() < 0.5:
self.generate_bool_expr()
else:
self.generate_comp_expr()
elif expr_type == GAZ_CHAR_KEY:
self.generate_char_expr()
elif expr_type == ANY_TYPE: # TODO implement the choice of any type elif expr_type == ANY_TYPE: # TODO implement the choice of any type
self.generate_int_expr() self.generate_int_expr()
else: else:
@ -603,6 +613,8 @@ class AstGenerator:
return random.uniform(-1000, 1000) return random.uniform(-1000, 1000)
elif type == GAZ_BOOL_KEY: elif type == GAZ_BOOL_KEY:
return random.choice([True, False]) return random.choice([True, False])
elif type == GAZ_CHAR_KEY:
return "'" + random.choice(string.ascii_letters) + "'"
else: else:
raise TypeError("Unimplemented generator for type: " + type) raise TypeError("Unimplemented generator for type: " + type)

2
ast_parser/gaz_unparser.py
View file

@ -36,7 +36,7 @@ def to_gaz_value(val):
def to_gaz_op(param): def to_gaz_op(param):
if param == "negation" or param == "subtraction": if param == "negation" or param == "subtraction":
return "-" return "-"
elif param == "addition": elif param == "addition" or param == "noop":
return "+" return "+"
elif param == "multiplication": elif param == "multiplication":
return "*" return "*"

1
config.yaml
View file

@ -5,6 +5,7 @@ generation-options:
max-conditionals-loops: 5 # maximum number of loops/conditionals per routine max-conditionals-loops: 5 # maximum number of loops/conditionals per routine
max-number-of-routines: 5 # maximum number of routines (main will always be generated) max-number-of-routines: 5 # maximum number of routines (main will always be generated)
generate-dead-code: True # generate dead code generate-dead-code: True # generate dead code
max-loop-iterations: 100 # maximum number of iterations in a loop
properties: properties:
max-range-length: 5 # maximum length of ranges, vectors and tuples, (AxA matrices can exist) max-range-length: 5 # maximum length of ranges, vectors and tuples, (AxA matrices can exist)
use-english-words: True # use english words instead of random names (this may limit the maximum number of names) use-english-words: True # use english words instead of random names (this may limit the maximum number of names)