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"R4_patch_scope", "passed": true }, { "evidence": "agent chain c0a3c2e3-8349-48c2-a77b-a002016b1132 -> eb4da73c-d6ad-4532-b20c-022ab23dfca9 unbroken over 22 receipt(s); witness chain c0a3c2e3-8349-48c2-a77b-a002016b1132 -> 17c90935-559d-4730-850a-16be1c0e2df7 unbroken over 2 receipt(s); applied digest matches", "id": "R5_provenance", "passed": true }, { "evidence": "claimed green; own last run: 28 passed, 0 failed", "id": "R6_claim_audit", "passed": true } ], "status": "PASS" }, "input": { "appeals": 1, "budgets": { "baseline_limit_s": 600, "verification_timeout_s": 600, "worker": { "max_completion_tokens": 96000, "max_turns": 60, "max_wall_seconds": 1500.0, "prompt_token_budget": 160000 } }, "issue": "[PARSE BUG]: function with trailing return type\n### Problem description\n\n**function with trailing return type having implementation won't parse**\r\nparse error evaluating '{': unexpected '{'\r\nauto test() -> void\r\n{\r\n}\r\n\r\nthe declaration parses correctly\r\nauto test2() -> void;\r\n\r\nordinary return type having implementation parses\r\nvoid test3()\r\n{\r\n}\r\n\r\nI double checked https://robotpy.github.io/cxxheaderparser/ has the same error\n\n### C++ code that can't be parsed correctly (please double-check that https://robotpy.github.io/cxxheaderparser/ has the same error)\n\n```text\nauto test() -> void\r\n{\r\n}\n```\n", "source": { "image": "docker.io/swerebenchv2/robotpy-cxxheaderparser:82-9883a4e", "platform": "linux/amd64", "python": "python", "setup": [ "python -c 'import base64; from pathlib import Path; Path('\"'\"'/tmp/receipts-robotpy__cxxheaderparser-82-test.patch'\"'\"').write_bytes(base64.b64decode('\"'\"'ZGlmZiAtLWdpdCBhL3Rlc3RzL3Rlc3RfZm4ucHkgYi90ZXN0cy90ZXN0X2ZuLnB5CmluZGV4IDc3ZmFjZmIuLjFhNGZiNGUgMTAwNjQ0Ci0tLSBhL3Rlc3RzL3Rlc3RfZm4ucHkKKysrIGIvdGVzdHMvdGVzdF9mbi5weQpAQCAtMTE5NCwzICsxMTk0LDY3IEBAIGRlZiB0ZXN0X2F1dG9fZGVjbHR5cGVfcmV0dXJuKCkgLT4gTm9uZToKICAgICAgICAgICAgIF0KICAgICAgICAgKQogICAgICkKKworCitkZWYgdGVzdF9mbl90cmFpbGluZ19yZXR1cm5fd2l0aF9ib2R5KCkgLT4gTm9uZToKKyAgICBjb250ZW50ID0gIiIiCisgICAgICBhdXRvIHRlc3QoKSAtPiB2b2lkCisgICAgICB7CisgICAgICB9CisgICAgIiIiCisgICAgZGF0YSA9IHBhcnNlX3N0cmluZyhjb250ZW50LCBjbGVhbmRvYz1UcnVlKQorCisgICAgYXNzZXJ0IGRhdGEgPT0gUGFyc2VkRGF0YSgKKyAgICAgICAgbmFtZXNwYWNlPU5hbWVzcGFjZVNjb3BlKAorICAgICAgICAgICAgZnVuY3Rpb25zPVsKKyAgICAgICAgICAgICAgICBGdW5jdGlvbigKKyAgICAgICAgICAgICAgICAgICAgcmV0dXJuX3R5cGU9VHlwZSgKKyAgICAgICAgICAgICAgICAgICAgICAgIHR5cGVuYW1lPVBRTmFtZShzZWdtZW50cz1bRnVuZGFtZW50YWxTcGVjaWZpZXIobmFtZT0idm9pZCIpXSkKKyAgICAgICAgICAgICAgICAgICAgKSwKKyAgICAgICAgICAgICAgICAgICAgbmFtZT1QUU5hbWUoc2VnbWVudHM9W05hbWVTcGVjaWZpZXIobmFtZT0idGVzdCIpXSksCisgICAgICAgICAgICAgICAgICAgIHBhcmFtZXRlcnM9W10sCisgICAgICAgICAgICAgICAgICAgIGhhc19ib2R5PVRydWUsCisgICAgICAgICAgICAgICAgICAgIGhhc190cmFpbGluZ19yZXR1cm49VHJ1ZSwKKyAgICAgICAgICAgICAgICApCisgICAgICAgICAgICBdCisgICAgICAgICkKKyAgICApCisKKworZGVmIHRlc3RfbWV0aG9kX3RyYWlsaW5nX3JldHVybl93aXRoX2JvZHkoKSAtPiBOb25lOgorICAgIGNvbnRlbnQgPSAiIiIKKyAgICAgIHN0cnVjdCBYIHsKKyAgICAgICAgICBhdXRvIHRlc3QoKSAtPiB2b2lkCisgICAgICAgICAgeworICAgICAgICAgIH0KKyAgICAgIH07CisgICAgIiIiCisgICAgZGF0YSA9IHBhcnNlX3N0cmluZyhjb250ZW50LCBjbGVhbmRvYz1UcnVlKQorCisgICAgYXNzZXJ0IGRhdGEgPT0gUGFyc2VkRGF0YSgKKyAgICAgICAgbmFtZXNwYWNlPU5hbWVzcGFjZVNjb3BlKAorICAgICAgICAgICAgY2xhc3Nlcz1bCisgICAgICAgICAgICAgICAgQ2xhc3NTY29wZSgKKyAgICAgICAgICAgICAgICAgICAgY2xhc3NfZGVjbD1DbGFzc0RlY2woCisgICAgICAgICAgICAgICAgICAgICAgICB0eXBlbmFtZT1QUU5hbWUoCisgICAgICAgICAgICAgICAgICAgICAgICAgICAgc2VnbWVudHM9W05hbWVTcGVjaWZpZXIobmFtZT0iWCIpXSwgY2xhc3NrZXk9InN0cnVjdCIKKyAgICAgICAgICAgICAgICAgICAgICAgICkKKyAgICAgICAgICAgICAgICAgICAgKSwKKyAgICAgICAgICAgICAgICAgICAgbWV0aG9kcz1bCisgICAgICAgICAgICAgICAgICAgICAgICBNZXRob2QoCisgICAgICAgICAgICAgICAgICAgICAgICAgICAgcmV0dXJuX3R5cGU9VHlwZSgKKyAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgdHlwZW5hbWU9UFFOYW1lKAorICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgc2VnbWVudHM9W0Z1bmRhbWVudGFsU3BlY2lmaWVyKG5hbWU9InZvaWQiKV0KKyAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgKQorICAgICAgICAgICAgICAgICAgICAgICAgICAgICksCisgICAgICAgICAgICAgICAgICAgICAgICAgICAgbmFtZT1QUU5hbWUoc2VnbWVudHM9W05hbWVTcGVjaWZpZXIobmFtZT0idGVzdCIpXSksCisgICAgICAgICAgICAgICAgICAgICAgICAgICAgcGFyYW1ldGVycz1bXSwKKyAgICAgICAgICAgICAgICAgICAgICAgICAgICBoYXNfYm9keT1UcnVlLAorICAgICAgICAgICAgICAgICAgICAgICAgICAgIGhhc190cmFpbGluZ19yZXR1cm49VHJ1ZSwKKyAgICAgICAgICAgICAgICAgICAgICAgICAgICBhY2Nlc3M9InB1YmxpYyIsCisgICAgICAgICAgICAgICAgICAgICAgICApCisgICAgICAgICAgICAgICAgICAgIF0sCisgICAgICAgICAgICAgICAgKQorICAgICAgICAgICAgXQorICAgICAgICApCisgICAgKQo='\"'\"'))'", "git apply /tmp/receipts-robotpy__cxxheaderparser-82-test.patch" ], "workdir": "/cxxheaderparser" }, "spec_paths": [ "tests/test_fn.py" ], "spec_tests": [ "tests/test_fn.py::test_fn_trailing_return_with_body", "tests/test_fn.py::test_method_trailing_return_with_body" ], "suite_scope": "--no-header -rA --tb=line --color=no -p no:cacheprovider -W ignore::DeprecationWarning tests/test_fn.py" }, "plan": { "approach": "Modify lexer token pattern matching logic to better distinguish between similar punctuation sequences like ':>' vs '<:' etc. The actual fix likely involves adjusting regex patterns so that braces aren't confused with operator tokens.", "files_to_edit": [ "cxxheaderparser/lexer.py" ], "finish_reason": "stop", "hypothesis": "Lexer fails to recognize '}' after auto function body because parser rules for declarations vs definitions don't handle trailing return types properly.", "usage": { "completion": 96, "prompt": 2919, "reasoning": 0 } }, "selected_patch_path": "attempts/1/filtered.diff", "snapshot_receipt_id": "base-7", "verdict_history": [ { "branch_id": "agent1", "claim_audit": "honest", "claim_evidence": "claimed green; own last run: 28 passed, 0 failed", "error": null, "error_kind": null, "predicates": [ { "evidence": "target tests passed: tests/test_fn.py::test_fn_trailing_return_with_body, tests/test_fn.py::test_method_trailing_return_with_body", "id": "R1_fail_to_pass", "passed": true }, { "evidence": "26 baseline-passing tests still pass", "id": "R2_pass_to_pass", "passed": true }, { "evidence": "all 28 baseline tests collected; skips unchanged (0)", "id": "R3_no_shrink", "passed": true }, { "evidence": "patch touches 2 file(s), all in scope", "id": "R4_patch_scope", "passed": true }, { "evidence": "agent chain c0a3c2e3-8349-48c2-a77b-a002016b1132 -> eb4da73c-d6ad-4532-b20c-022ab23dfca9 unbroken over 22 receipt(s); witness chain c0a3c2e3-8349-48c2-a77b-a002016b1132 -> 17c90935-559d-4730-850a-16be1c0e2df7 unbroken over 2 receipt(s); applied digest matches", "id": "R5_provenance", "passed": true }, { "evidence": "claimed green; own last run: 28 passed, 0 failed", "id": "R6_claim_audit", "passed": true } ], "status": "PASS" } ], "verified_fix": true, "wall_time_s": 263.29426145902835 }