mirror of
https://github.com/imjasonh/nescript
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Fuzz targets (cargo +nightly fuzz):
- fuzz_lexer: lexer must never panic on arbitrary input
- fuzz_parser: parser must never panic on arbitrary input
- fuzz_compile: full pipeline (parse → analyze → IR → optimize →
codegen → assemble → link) must never panic
Results: 3.3M iterations across all targets, zero crashes.
Seed corpus from all 7 examples + crafted edge cases.
11 new parser edge case tests:
- draw_followed_by_statement: regression for keyword-arg lookahead bug
- draw_with_frame_followed_by_statement: same with frame: arg
- nested_if_else_chain: 3-deep else-if chain
- deeply_nested_blocks: 4-deep nested if blocks
- empty_function_body: fun noop() {}
- empty_state_handlers: on enter/exit/frame {}
- button_start_in_condition: "start" keyword as button name
- button_select_in_condition: "select" keyword as button name
- multiple_draws_in_sequence: 3 draws followed by assignment
- parser_no_panic_on_garbage: 25 malformed inputs
- lexer_no_panic_on_garbage: 10 malformed inputs
221 tests total, all pre-commit checks pass.
https://claude.ai/code/session_01W6eQFStA66EuMKHUFo2rx3
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