Comments (3)
h1994st
commented on August 18, 2024
If you have time to work on this, that would be great! Feel free to submit a PR and add your test cases.
I can take a look at this later when I am available. Probably not in recent weeks :(
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0x7Fancy
commented on August 18, 2024
okay, I'll try my best to provide
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0x7Fancy
commented on August 18, 2024
I tried to solve the problem but I found that Grammar-Mutator has to rely on AST to work, if I add lexical rules, this is not transparent to Grammar-Mutator.
In the above example, we focus on the input data of 10(12), respectively using Grammar.g4 and Grammar_patch.g4, we can see that Grammar.g4 only with grammar parser has a complete AST structure (in line with Grammar-Mutator expectations)
I think this is a trade-off in the Grammar-Mutator design. It loses part of the mutation data, but the program design is more concise, clear and direct.
so, currently Grammar-Mutator is perfect
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Related Issues (20)
- Wasteful rebuilding of non-terminal trees HOT 4
- Long recursive calls cause afl to segfault HOT 8
- Memory leaks in `splicing_mutation`
- Test compilation error HOT 1
- incorrect rule index deduction from ANTLR HOT 3
- A question about convert the ASCII HOT 9
- A question about data length HOT 2
- Issue with recursive javascript grammar HOT 6
- How to add extras dynamically during fuzzing HOT 2
- Inconsistency between compilations HOT 7
- Grammar mutator issue : _pick_non_term_node HOT 5
- `tree_from_buf` hangs when parsing a small test case HOT 4
- Segmentation fault when dealing with hex-ANSII conversion HOT 12
- Is it possible to automatically eliminate indirect left-recursion HOT 1
- Does this mutator uses genetic algorithm? HOT 1
- optimized syntax '+' cause 'random_recursive_mutation' error HOT 5
- UnicodeEncodeError HOT 1
- Use of ANTLR grammar instead of json-formatted grammar HOT 1
- fatal error: GrammarLexer.h
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