ROLLOUT 6 · fox-it/dissect.cstruct
fox-it__dissect.cstruct-66
Solved
371 stotal time
20tool calls
22model calls
5,706tokens generated
184,300prompt tokens read
No error recorded
⚠ The request log has 21 model calls but the trace has 22 agent calls, so tokens are listed separately instead of beside each turn.
Turn by turn
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System instructions 4,822 characters
You are a principal Python software engineer resolving a repository issue in `/workspace`. Your sole objective is to produce a minimal, root-cause source patch that passes every hidden fail-to-pass and pass-to-pass regression test on the first grading run. ## Critical Environment & Grader Rules 1. **Air-Gapped Sandbox & Available CLI Tools**: No network access. Never run `pip`, `uv`, `conda`, or `git fetch`. Note: `rg` (`ripgrep`) is NOT installed in the container — always use `grep -rn --include="*.py"` for fast exact searches so you never waste a tool call on `command not found`. 2. **Protected Grading Paths**: Before running official verification, the grading harness **strips and reverts all changes** to `tests/`, `test/`, `testing/`, `test_*.py`, `*_test.py`, `conftest.py`, `pyproject.toml`, `setup.cfg`, `pytest.ini`, and `tox.ini`. Every part of your fix MUST reside in non-test production source files. 3. **Untracked File Trap (`git add -N .`)**: `submit_patch` stages ALL untracked files inside `/workspace`! Never leave reproduction or scratch files inside `/workspace` — run reproductions inline via `python3 - <<'PY'` or inside `/tmp/repro.py` in a single `run_command`. 4. **Stdout Truncation Rule**: `run_command` truncates stdout after the first 5,000 characters from the TOP. Always run pytest quietly with short tracebacks: `pytest path/to/test_file.py -k pattern -q --tb=short --no-header` If a test file is large, redirect output to `/tmp/pytest.log` and inspect `tail -n 80 /tmp/pytest.log` so failure tracebacks at the bottom are never cut off. 5. **Strict Pacing Discipline**: `get_status` and `submit_patch` are free and do NOT count toward `max_tool_calls`. Target **16-22 counted tool calls total**, and **begin your first `edit_file` change no later than tool call 15**. Reserve at least 4 calls for verification, `git status --short && git diff`, and submission. ## Execution Protocol ### Phase 1 — Pinpoint Code & Tests Immediately (1-2 tool calls) - The user message already contains `Workspace Layout` — do NOT waste a turn running `ls` on top-level directories. - Run a single compound `run_command` with `grep -rn --include="*.py"` to locate: (a) the exact symbols, error strings, or functions from the problem description, (b) **all parallel or sibling implementations** (for example sync + async variants, `Client` + `AsyncClient`, serializer + deserializer, multiple backends/dialects, base + subclass methods, `__init__.py` / `__all__` exports), and (c) the closest existing unit test files under `tests/`. ### Phase 2 — Deep Read & Spec Anchor (2-5 tool calls) - Use `read_file` with generous `start_line` and `end_line` windows (180-300 lines per call so you read whole modules in fewer calls) on the target function/class, callers, type annotations, and neighboring tests. - Before editing, verify every explicit and implicit requirement from the issue: exact parameter names, defaults, boundary/domain edge cases, exception types/messages, `None` vs empty collection vs falsy (`0`, `False`, `""`) semantics, mutability/copying, and return types. ### Phase 3 — Reproduce Bug in One Call (1 tool call) - Run ONE concise command (`python3 - <<'PY' ... PY` or targeted `pytest ... -q --tb=short --no-header`) via `run_command` to observe the exact pre-fix failure. Do NOT spend multiple tool calls writing separate reproduction scripts. ### Phase 4 — Surgical Implementation Across All Parallel Paths (1-4 tool calls) - Begin editing by tool call 15! Use `edit_file` with 4-6 lines of exact surrounding context copied from `read_file`. - Update ALL parallel codepaths (sync/async, multiple classes/dialects, type hints) consistently so partial fixes do not fail sibling tests. - **2-Strike Edit Rule**: If `edit_file` fails twice on the same block due to whitespace or escaping, do not retry `edit_file` a third time — apply an atomic Python transformation via `run_command` and immediately verify `python3 -m py_compile path/to/file.py`. ### Phase 5 — Edge-Case Verification, Diff Hygiene & Clean Exit (2-4 tool calls) - Run a single compound `run_command` testing both your reproduction + boundary edge cases (`None`, empty input, leading/trailing delimiters, subdomain/prefix boundaries, subclass/async parity) AND the relevant existing `pytest` module(s) with `-q --tb=short --no-header`. - Run `git status --short && git diff` via `run_command`. Confirm: - ZERO untracked (`??`) files in `/workspace` (`rm -f` any untracked workspace files immediately), - ZERO modifications to `tests/` or protected config files (`git checkout -- tests/` if touched), - Minimal, clean diff with valid imports and indentation. - Call `submit_patch` once verification passes, then respond with a brief 2-sentence plain-text summary and make NO further tool calls.
Task prompt 4,986 characters
You are evaluating a software engineering task for repository fox-it/dissect.cstruct.
Problem Statement:
Keyword conflicting with Python
When the parsed structure contains keywords of Python (e.g., `in`), the compiler complains.
```bash
File "<some-path>/python3.10/site-packages/dissect/cstruct/compiler.py", line 86, in compile
code_object = compile(
File "<compiled in>", line 2
class in(Structure):
^^
SyntaxError: invalid syntax
```
A temporary solution I took is to replace all `in` to `_in` then back, which seems a bit ad-hoc.
I wonder if it's possible to fix this in the `cstruct` level?
## Hints:
codecov[bot]: ## [Codecov](https://app.codecov.io/gh/fox-it/dissect.cstruct/pull/66?src=pr&el=h1&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=fox-it) Report
All modified and coverable lines are covered by tests :white_check_mark:
> Comparison is base [(`ffbf4f8`)](https://app.codecov.io/gh/fox-it/dissect.cstruct/commit/ffbf4f83169d5c6db2448d42c0e2fa5cec5c874a?el=desc&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=fox-it) 89.00% compared to head [(`d1b024f`)](https://app.codecov.io/gh/fox-it/dissect.cstruct/pull/66?src=pr&el=desc&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=fox-it) 89.03%.
> Report is 1 commits behind head on main.
<details><summary>Additional details and impacted files</summary>
```diff
@@ Coverage Diff @@
## main #66 +/- ##
==========================================
+ Coverage 89.00% 89.03% +0.02%
==========================================
Files 20 20
Lines 1855 1860 +5
==========================================
+ Hits 1651 1656 +5
Misses 204 204
```
| [Flag](https://app.codecov.io/gh/fox-it/dissect.cstruct/pull/66/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=fox-it) | Coverage Δ | |
|---|---|---|
| [unittests](https://app.codecov.io/gh/fox-it/dissect.cstruct/pull/66/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=fox-it) | `89.03% <100.00%> (+0.02%)` | :arrow_up: |
Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=fox-it#carryforward-flags-in-the-pull-request-comment) to find out more.
</details>
[:umbrella: View full report in Codecov by Sentry](https://app.codecov.io/gh/fox-it/dissect.cstruct/pull/66?src=pr&el=continue&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=fox-it).
:loudspeaker: Have feedback on the report? [Share it here](https://about.codecov.io/codecov-pr-comment-feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=fox-it).
## Task Budget (Session terminates when any budget is exhausted)
- Time allowance: 7.5 minutes
- Tool calls allowance: 30 calls
- Max loop iterations: 40 turns
## Execution Environment Rules
- Single command timeout: 90 seconds (commands exceeding this fail without ending the session)
- Command output limit: 5000 characters
- File view limit: 150 lines per read_file call
- File character limit: 10000 characters per read_file call
- Environment is offline (no network/PyPI access). All repository and test dependencies are ALREADY pre-installed. Do NOT attempt to run pip install or download packages.
## Instructions:
0. All source code is under `/workspace`. Do NOT search outside `/workspace` (e.g. `/usr/`, `/wheels/`, system site-packages). If imports fail, the issue is in the source code under `/workspace`, not in missing system packages.
1. Analyze the problem statement and any provided hints carefully to identify all requested script paths, CLI subcommands, or Python modules.
2. Inspect existing codebase conventions and test files before making edits.
3. Verify your implementation using targeted tests or inline assertions before submitting.
4. Call submit_patch only after your implementation is complete and verified.
5. As your final action, you must return a text-only response reporting your completion to terminate the session.
## Workspace Layout
The repository is located at `/workspace`. Here is the directory tree (up to 3 levels):
```
./COPYRIGHT
./LICENSE
./MANIFEST.in
./README.md
./dissect
./dissect/cstruct
./dissect/cstruct/__init__.py
./dissect/cstruct/bitbuffer.py
./dissect/cstruct/compiler.py
./dissect/cstruct/cstruct.py
./dissect/cstruct/exceptions.py
./dissect/cstruct/expression.py
./dissect/cstruct/parser.py
./dissect/cstruct/types
./dissect/cstruct/utils.py
./examples
./pyproject.toml
./tests
./tox.ini
```
Turn 1at 17 s230 tokens out3,592 prompt tokens
The user is reporting a `SyntaxError` when a parsed structure contains keywords of Python (e.g., `in`). The error happens in `dissect/cstruct/compiler.py` at line 86, inside the `compile` function. The generated code looks like `class in(Structure):`, which is invalid Python syntax. I need to find where the class name is generated in `dissect/cstruct/compiler.py` and ensure that if the name is a Python keyword, it is sanitized (e.g., by adding a prefix or suffix). Plan: 1. Explore `dissect/cstruct/compiler.py` to see how it generates the Python code for the structure. 2. Create a reproduction script to confirm the issue. 3. Modify the compiler to handle Python keywords. 4. Verify the fix with the reproduction script and existing tests.
TOOL CALL · run_command
{
"command": "grep -rn --include=\"*.py\" -e \"def compile\" dissect/cstruct/compiler.py"
}Result of run_command 122 characters
{
"status": "ok",
"stdout": "73: def compile(self, structure: Structure) -> Structure:\n",
"stderr": "",
"exit_code": 0
}Turn 2at 21 s65 tokens out3,878 prompt tokens
Okay, let's read `dissect/cstruct/compiler.py` around line 73-100.
TOOL CALL · read_file
{
"end_line": 120,
"filepath": "dissect/cstruct/compiler.py`,start_line:70"
}Result of read_file 451 characters
{
"status": "error",
"error_type": "FileReadError",
"error_message": "404 Client Error for http+docker://localhost/v1.52/containers/8bd6ea34f6d06587cf326ab479a5225f8ddf882cb68ead6201034c3690fabbf1/archive?path=%2Fworkspace%2Fdissect%2Fcstruct%2Fcompiler.py%60%2Cstart_line%3A70: Not Found (\"Could not find the file /workspace/dissect/cstruct/compiler.py`,start_line:70 in container 8bd6ea34f6d06587cf326ab479a5225f8ddf882cb68ead6201034c3690fabbf1\")"
}Turn 3at 40 s292 tokens out4,180 prompt tokens
Ah, I see what happened. The `read_file` tool is failing or I might have made a mistake in the filepath. Wait, the filepath is `/workspace/dissect/cstruct/compiler.py`. Let me try again. Actually, the error message says `Could not find the file /workspace/dissect/cstruct/compiler.py`,start_line:70 in container... it seems I might have passed the start_line as part of the path or something? No, the tool call was: `read_file(end_line=120, filepath='dissect/cstruct/compiler.py', start_line=70)` The error message looks weird: `%2Fworkspace%2Fdissect%2Fcstruct%2Fcompiler.py%60%2Cstart_line%3A70`. It seems it interpreted the comma as part of the path. This might be a tool implementation bug, but I should try to avoid it. Wait, looking at the error: `Could not find the file /workspace/dissect/cstruct/compiler.py`,start_line:70. This is very strange. Let me try to read the whole file if it's not too large.
TOOL CALL · read_file
{
"filepath": "dissect/cstruct/compiler.py"
}Result of read_file 4,848 characters
{
"status": "ok",
"filepath": "dissect/cstruct/compiler.py",
"content": "from __future__ import annotations\n\nimport struct\nfrom collections import OrderedDict\nfrom textwrap import dedent\nfrom typing import TYPE_CHECKING, List\n\nfrom dissect.cstruct.bitbuffer import BitBuffer\nfrom dissect.cstruct.expression import Expression\nfrom dissect.cstruct.types import (\n Array,\n BytesInteger,\n CharType,\n Enum,\n EnumInstance,\n Field,\n Flag,\n FlagInstance,\n Instance,\n PackedType,\n Pointer,\n PointerInstance,\n Structure,\n Union,\n WcharType,\n)\n\nif TYPE_CHECKING:\n from dissect.cstruct import cstruct\n\n\nclass Compiler:\n \"\"\"Compiler for cstruct structures. Creates somewhat optimized parsing code.\"\"\"\n\n TYPES = (\n Structure,\n Pointer,\n Enum,\n Flag,\n Array,\n PackedType,\n CharType,\n WcharType,\n BytesInteger,\n )\n\n COMPILE_TEMPLATE = \"\"\"\nclass {name}(Structure):\n def __init__(self, cstruct, structure, source=None):\n self.structure = structure\n self.source = source\n super().__init__(cstruct, structure.name, structure.fields, anonymous=structure.anonymous)\n\n def _read(self, stream, context=None):\n r = OrderedDict()\n sizes = {{}}\n bitreader = BitBuffer(stream, self.cstruct.endian)\n\n{read_code}\n\n return Instance(self, r, sizes)\n\n def add_field(self, name, type_, offset=None):\n raise NotImplementedError(\"Can't add fields to a compiled structure\")\n\n def __repr__(self):\n return '<Structure {name} +compiled>'\n\"\"\"\n\n def __init__(self, cstruct: cstruct):\n self.cstruct = cstruct\n\n def compile(self, structure: Structure) -> Structure:\n if isinstance(structure, Union) or structure.align:\n return structure\n\n structure_name = structure.name\n\n try:\n # Generate struct class based on provided structure type\n source = self.gen_struct_class(structure_name, structure)\n except TypeError:\n return structure\n\n # Create code object that can be executed later on\n code_object = compile(\n source,\n f\"<compiled {structure_name}>\",\n \"exec\",\n )\n\n env = {\n \"OrderedDict\": OrderedDict,\n \"Structure\": Structure,\n \"Instance\": Instance,\n \"Expression\": Expression,\n \"EnumInstance\": EnumInstance,\n \"FlagInstance\": FlagInstance,\n \"PointerInstance\": PointerInstance,\n \"BytesInteger\": BytesInteger,\n \"BitBuffer\": BitBuffer,\n \"struct\": struct,\n \"range\": range,\n }\n\n exec(code_object, env)\n return env[structure_name](self.cstruct, structure, source)\n\n def gen_struct_class(self, name: str, structure: Structure) -> str:\n blocks = []\n classes = []\n cur_block = []\n read_size = 0\n prev_was_bits = False\n\n for field in structure.fields:\n field_type = self.cstruct.resolve(field.type)\n\n if not isinstance(field_type, self.TYPES):\n raise TypeError(f\"Unsupported type for compiler: {field_type}\")\n\n if isinstance(field_type, Structure) or (\n isinstance(field_type, Array) and isinstance(field_type.type, (Structure, Array))\n ):\n blocks.append(self.gen_read_block(read_size, cur_block))\n\n struct_read = \"s = stream.tell()\\n\"\n if isinstance(field_type, Array):\n num = field_type.count\n\n if isinstance(num, Expression):\n num = f\"max(0, Expression(self.cstruct, '{num.expression}').evaluate(r))\"\n\n struct_read += dedent(\n f\"\"\"\n r['{field.name}'] = []\n for _ in range({num}):\n r['{field.name}'].append(self.lookup['{field.name}'].type.type._read(stream, context=r))\n sizes['{field.name}'] = stream.tell() - s\n \"\"\"\n )\n elif isinstance(field_type, Structure) and field_type.anonymous:\n struct_read += dedent(\n f\"\"\"\n v = self.lookup[\"{field.name}\"].type._read(stream, context=r)\n r.update(v._values)\n sizes.update(v._sizes)\n \"\"\"\n )\n else:",
"start_line": 1,
"end_line": 150,
"total_lines": 408,
"is_truncated": true
}Turn 4at 68 s478 tokens out5,743 prompt tokens
The `COMPILE_TEMPLATE` is:
```python
COMPILE_TEMPLATE = """
class {name}(Structure):
def __init__(self, cstruct, structure, source=None):
self.structure = structure
self.source = source
super().__init__(cstruct, structure.name, structure.fields, anonymous=structure.anonymous)
def _read(self, stream, context=None):
r = OrderedDict()
sizes = {}
bitreader = BitBuffer(stream, self.cstruct.endian)
{read_code}
return Instance(self, r, sizes)
def add_field(self, name, type_, offset=None):
raise NotImplementedError("Can't add fields to a compiled structure")
def __repr__(self):
return '<Structure {name} +compiled>'
"""
```
And in `compile`:
```python
def compile(self, structure: Structure) -> Structure:
if isinstance(structure, Union) or structure.align:
return structure
structure_name = structure.name
try:
# Generate struct class based on provided structure type
source = self.gen_struct_class(structure_name, structure)
except TypeError:
return structure
# Create code object that can be executed later on
code_object = compile(
source,
f"<compiled {structure_name}>",
"exec",
)
```
The `structure_name` is used as the class name in `COMPILE_TEMPLATE`. If `structure_name` is `in`, it will fail.
I should check if there is any other place where Python keywords are used as identifiers in the generated code.
`{read_code}` is also inserted into the template. I should see how `read_code` is generated.
Let's look at `gen_struct_class` and `gen_read_block`. I only saw the beginning of `gen_struct_class`.
TOOL CALL · read_file
{
"filepath": "dissect/cstruct/compiler.py`,start_line:151"
}Result of read_file 453 characters
{
"status": "error",
"error_type": "FileReadError",
"error_message": "404 Client Error for http+docker://localhost/v1.52/containers/8bd6ea34f6d06587cf326ab479a5225f8ddf882cb68ead6201034c3690fabbf1/archive?path=%2Fworkspace%2Fdissect%2Fcstruct%2Fcompiler.py%60%2Cstart_line%3A151: Not Found (\"Could not find the file /workspace/dissect/cstruct/compiler.py`,start_line:151 in container 8bd6ea34f6d06587cf326ab479a5225f8ddf882cb68ead6201034c3690fabbf1\")"
}Turn 5at 84 s218 tokens out6,459 prompt tokens
Again, the `read_file` tool is behaving oddly when `start_line` is provided. It seems to be appending `,start_line:151` to the filename. This is definitely a bug in the tool or the environment. Since `read_file` without `start_line` works, I will read the file in chunks of 150 lines or just read the whole file if possible. The file has 408 lines, so I can read it in 3-4 calls without `start_line` if I use some other way, but `read_file` doesn't have an "offset" or similar. Wait, if I don't provide `start_line`, it always starts from 1 and truncates at 150. Let me try to use `run_command` with `tail` or `cat` to get the rest of the file.
TOOL CALL · run_command
{
"command": "cat dissect/cstruct/compiler.py"
}Result of run_command 5,290 characters
{
"status": "ok",
"stdout": "from __future__ import annotations\n\nimport struct\nfrom collections import OrderedDict\nfrom textwrap import dedent\nfrom typing import TYPE_CHECKING, List\n\nfrom dissect.cstruct.bitbuffer import BitBuffer\nfrom dissect.cstruct.expression import Expression\nfrom dissect.cstruct.types import (\n Array,\n BytesInteger,\n CharType,\n Enum,\n EnumInstance,\n Field,\n Flag,\n FlagInstance,\n Instance,\n PackedType,\n Pointer,\n PointerInstance,\n Structure,\n Union,\n WcharType,\n)\n\nif TYPE_CHECKING:\n from dissect.cstruct import cstruct\n\n\nclass Compiler:\n \"\"\"Compiler for cstruct structures. Creates somewhat optimized parsing code.\"\"\"\n\n TYPES = (\n Structure,\n Pointer,\n Enum,\n Flag,\n Array,\n PackedType,\n CharType,\n WcharType,\n BytesInteger,\n )\n\n COMPILE_TEMPLATE = \"\"\"\nclass {name}(Structure):\n def __init__(self, cstruct, structure, source=None):\n self.structure = structure\n self.source = source\n super().__init__(cstruct, structure.name, structure.fields, anonymous=structure.anonymous)\n\n def _read(self, stream, context=None):\n r = OrderedDict()\n sizes = {{}}\n bitreader = BitBuffer(stream, self.cstruct.endian)\n\n{read_code}\n\n return Instance(self, r, sizes)\n\n def add_field(self, name, type_, offset=None):\n raise NotImplementedError(\"Can't add fields to a compiled structure\")\n\n def __repr__(self):\n return '<Structure {name} +compiled>'\n\"\"\"\n\n def __init__(self, cstruct: cstruct):\n self.cstruct = cstruct\n\n def compile(self, structure: Structure) -> Structure:\n if isinstance(structure, Union) or structure.align:\n return structure\n\n structure_name = structure.name\n\n try:\n # Generate struct class based on provided structure type\n source = self.gen_struct_class(structure_name, structure)\n except TypeError:\n return structure\n\n # Create code object that can be executed later on\n code_object = compile(\n source,\n f\"<compiled {structure_name}>\",\n \"exec\",\n )\n\n env = {\n \"OrderedDict\": OrderedDict,\n \"Structure\": Structure,\n \"Instance\": Instance,\n \"Expression\": Expression,\n \"EnumInstance\": EnumInstance,\n \"FlagInstance\": FlagInstance,\n \"PointerInstance\": PointerInstance,\n \"BytesInteger\": BytesInteger,\n \"BitBuffer\": BitBuffer,\n \"struct\": struct,\n \"range\": range,\n }\n\n exec(code_object, env)\n return env[structure_name](self.cstruct, structure, source)\n\n def gen_struct_class(self, name: str, structure: Structure) -> str:\n blocks = []\n classes = []\n cur_block = []\n read_size = 0\n prev_was_bits = False\n\n for field in structure.fields:\n field_type = self.cstruct.resolve(field.type)\n\n if not isinstance(field_type, self.TYPES):\n raise TypeError(f\"Unsupported type for compiler: {field_type}\")\n\n if isinstance(field_type, Structure) or (\n isinstance(field_type, Array) and isinstance(field_type.type, (Structure, Array))\n ):\n blocks.append(self.gen_read_block(read_size, cur_block))\n\n struct_read = \"s = stream.tell()\\n\"\n if isinstance(field_type, Array):\n num = field_type.count\n\n if isinstance(num, Expression):\n num = f\"max(0, Expression(self.cstruct, '{num.expression}').evaluate(r))\"\n\n struct_read += dedent(\n f\"\"\"\n r['{field.name}'] = []\n for _ in range({num}):\n r['{field.name}'].append(self.lookup['{field.name}'].type.type._read(stream, context=r))\n sizes['{field.name}'] = stream.tell() - s\n \"\"\"\n )\n elif isinstance(field_type, Structure) and field_type.anonymous:\n struct_read += dedent(\n f\"\"\"\n v = self.lookup[\"{field.name}\"].type._read(stream, context=r)\n r.update(v._values)\n sizes.update(v._sizes)\n \"\"\"\n )\n else:\n struct_read += dedent(\n f\"\"\"\n r['{field.name}'] = self.lookup['{field.name}'].type._read(stream, context=r)\n sizes['{field.name}'] = stream.tell() - s\n \"\"\"\n )\n\n blocks.append(struct_read)\n read_size = 0\n cur_block = []\n continue\n\n if field.bits:\n blocks.append(self.gen_read_block(read_size, cu",
"stderr": "",
"exit_code": 0
}Turn 6at 94 s170 tokens out8,043 prompt tokens
Wait, `run_command` also truncated the output! The stdout truncation rule says: "run_command truncates stdout after the first 5,000 characters from the TOP." The file is 408 lines. It should fit in 5,000 characters. Wait, it looks like it was truncated at `cu`... `if field.bits:\n blocks.append(self.gen_read_block(read_size, cu`. Let me try to use `cat` but only for the latter part of the file. Or better, use `sed` to get ranges of lines.
TOOL CALL · run_command
{
"command": "sed -n '140,408p' dissect/cstruct/compiler.py"
}Result of run_command 5,260 characters
{
"status": "ok",
"stdout": " \"\"\"\n )\n elif isinstance(field_type, Structure) and field_type.anonymous:\n struct_read += dedent(\n f\"\"\"\n v = self.lookup[\"{field.name}\"].type._read(stream, context=r)\n r.update(v._values)\n sizes.update(v._sizes)\n \"\"\"\n )\n else:\n struct_read += dedent(\n f\"\"\"\n r['{field.name}'] = self.lookup['{field.name}'].type._read(stream, context=r)\n sizes['{field.name}'] = stream.tell() - s\n \"\"\"\n )\n\n blocks.append(struct_read)\n read_size = 0\n cur_block = []\n continue\n\n if field.bits:\n blocks.append(self.gen_read_block(read_size, cur_block))\n if isinstance(field_type, Enum):\n bitfield_read = dedent(\n f\"\"\"\n r['{field.name}'] = self.cstruct.{field.type.name}(\n bitreader.read(self.cstruct.{field.type.type.name}, {field.bits})\n )\n \"\"\"\n )\n else:\n bitfield_read = f\"r['{field.name}'] = bitreader.read(self.cstruct.{field.type.name}, {field.bits})\"\n blocks.append(bitfield_read)\n\n read_size = 0\n cur_block = []\n prev_was_bits = True\n continue\n\n if prev_was_bits:\n blocks.append(\"bitreader.reset()\")\n prev_was_bits = False\n\n try:\n count = len(field_type)\n read_size += count\n cur_block.append(field)\n except TypeError:\n if cur_block:\n blocks.append(self.gen_read_block(read_size, cur_block))\n\n blocks.append(self.gen_dynamic_block(field))\n read_size = 0\n cur_block = []\n\n if len(cur_block):\n blocks.append(self.gen_read_block(read_size, cur_block))\n\n read_code = \"\\n\\n\".join(blocks)\n read_code = \"\\n\".join([\" \" * 2 + line for line in read_code.split(\"\\n\")])\n\n classes.append(self.COMPILE_TEMPLATE.format(name=name, read_code=read_code))\n return \"\\n\\n\".join(classes)\n\n def gen_read_block(self, size: int, block: List[str]) -> str:\n template = dedent(\n f\"\"\"\n buf = stream.read({size})\n if len(buf) != {size}: raise EOFError()\n data = struct.unpack(self.cstruct.endian + '{{}}', buf)\n {{}}\n \"\"\"\n )\n\n read_code = []\n fmt = []\n\n cur_type = None\n cur_count = 0\n\n buf_offset = 0\n data_offset = 0\n\n for field in block:\n field_type = self.cstruct.resolve(field.type)\n read_type = field_type\n\n count = 1\n data_count = 1\n\n if isinstance(read_type, (Enum, Flag)):\n read_type = read_type.type\n elif isinstance(read_type, Pointer):\n read_type = self.cstruct.pointer\n\n if isinstance(field_type, Array):\n count = read_type.count\n data_count = count\n read_type = read_type.type\n\n if isinstance(read_type, (Enum, Flag)):\n read_type = read_type.type\n elif isinstance(read_type, Pointer):\n read_type = self.cstruct.pointer\n\n if isinstance(read_type, (CharType, WcharType, BytesInteger)):\n read_slice = f\"{buf_offset}:{buf_offset + + (count * read_type.size)}\"\n else:\n read_slice = f\"{data_offset}:{data_offset + count}\"\n elif isinstance(read_type, CharType):\n read_slice = f\"{buf_offset}:{buf_offset + 1}\"\n elif isinstance(read_type, (WcharType, BytesInteger)):\n read_slice = f\"{buf_offset}:{buf_offset + read_type.size}\"\n else:\n read_slice = str(data_offset)\n\n if not cur_type:\n if isinstance(read_type, PackedType):\n cur_type = read_type.packchar\n else:\n cur_type = \"x\"\n\n if isinstance(read_type, (PackedType, CharType, WcharType, BytesInteger, Enum, Flag)):\n char_count = count\n\n if isinstance(read_type, (CharType, WcharType, BytesInteger)):\n data_count = 0\n pack_char = \"x\"\n char_count *= read_type.size\n else:\n pack_char = read_type.packchar\n\n if cur_type != pack_char:\n fmt.append(f\"{cur_count}{cur_type}\")\n ",
"stderr": "",
"exit_code": 0
}Turn 7at 159 s981 tokens out9,623 prompt tokens
The code uses `{name}` in `COMPILE_TEMPLATE` and `classes.append(self.COMPILE_TEMPLATE.format(name=name, read_code=read_code))`.
The `name` comes from `structure_name = structure.name`.
If `structure.name` is `in`, the generated code will be `class in(Structure):`.
I should sanitize the `name` if it's a Python keyword.
I can use the `keyword` module in Python to check if a string is a keyword.
```python
import keyword
if keyword.iskeyword(name):
name = f"_{name}"
```
Wait, if I change the class name, I also need to make sure that when the compiler returns the structure, it uses the correct name to retrieve it from `env`.
In `compile()`:
```python
exec(code_object, env)
return env[structure_name](self.cstruct, structure, source)
```
If I change `structure_name` to `_structure_name` for the class definition, I must also use `_structure_name` when retrieving from `env`.
Let's see where I should apply the sanitization.
In `compile()`:
```python
def compile(self, structure: Structure) -> Structure:
if isinstance(structure, Union) or structure.align:
return structure
structure_name = structure.name
try:
# Generate struct class based on provided structure type
source = self.gen_struct_class(structure_name, structure)
```
And `gen_struct_class()`:
```python
def gen_struct_class(self, name: str, structure: Structure) -> str:
# ...
classes.append(self.COMPILE_TEMPLATE.format(name=name, read_code=read_code))
return "\n\n".join(classes)
```
If I sanitize `name` inside `compile()`, it will be passed as the sanitized name to `gen_struct_class()` and used in `env`.
Wait, the original `structure_name` is `structure.name`. If I change it, I should probably call it something else to avoid confusion.
```python
structure_name = structure.name
safe_name = structure_name
if keyword.iskeyword(safe_name):
safe_name = f"_{safe_name}"
```
Then use `safe_name` for `gen_struct_class` and for `env[safe_name]`.
Let's check if there are other places where `structure_name` is used.
In `compile()`:
```python
code_object = compile(
source,
f"<compiled {structure_name}>",
"exec",
)
```
Using `structure_name` in the filename of the code object is fine, it's just a string.
Let's verify this with a reproduction script.
I need to see how to use `dissect.cstruct` to create a structure with a name that is a keyword.
I should look at the types in `dissect.cstruct.types`.
Wait, the issue description just says "When the parsed structure contains keywords of Python (e.g., `in`), the compiler complains."
I can try to create a simple `Structure` object and pass it to the `Compiler`.
First, let's see how `Structure` and `Compiler` are used.
I'll read `dissect/cstruct/types.py` or `dissect/cstruct/cstruct.py`.
Actually, I can just try to import them and use them in a script.
TOOL CALL · run_command
{
"command": "python3 - <<'PY'\nfrom dissect.cstruct.compiler import Compiler\nfrom dissect.cstruct.types import Structure, Field, CharType\nfrom dissect.cstruct.cstruct import CStruct\n\n# Mock CStruct\ncstruct = CStruct()\n# Create a structure with name 'in'\nstruct = Structure('in', [\n Field('foo', CharType()),\n])\n\ncompiler = Compiler(cstruct)\ntry:\n compiler.compile(struct)\n print(\"Success!\")\nexcept Exception as e:\n print(f\"Failed: {e}\")\n import traceback\n traceback.print_exc()\nPY\n"
}Result of run_command 509 characters
{
"status": "error",
"error_type": "CommandError",
"error_message": "Traceback (most recent call last):\n File \"<stdin>\", line 3, in <module>\nImportError: cannot import name 'CStruct' from 'dissect.cstruct.cstruct' (/workspace/dissect/cstruct/cstruct.py)\n",
"details": {
"stdout": "",
"stderr": "Traceback (most recent call last):\n File \"<stdin>\", line 3, in <module>\nImportError: cannot import name 'CStruct' from 'dissect.cstruct.cstruct' (/workspace/dissect/cstruct/cstruct.py)\n",
"exit_code": 1
}
}Turn 8at 165 s63 tokens out10,783 prompt tokens
Ah, `CStruct` might not be the name of the class in `dissect/cstruct/cstruct.py`. Let's check that file.
TOOL CALL · run_command
{
"command": "grep \"class \" dissect/cstruct/cstruct.py"
}Result of run_command 144 characters
{
"status": "ok",
"stdout": "class cstruct:\n \"\"\"Main class of cstruct. All types are registered in here.\n",
"stderr": "",
"exit_code": 0
}Turn 9at 174 s191 tokens out10,907 prompt tokens
It's `class cstruct:`. Pythonic naming for a class is Uppercase, but here it's lowercase. Let's try again.
TOOL CALL · run_command
{
"command": "python3 - <<'PY'\nfrom dissect.cstruct.compiler import Compiler\nfrom dissect.cstruct.types import Structure, Field, CharType\nfrom dissect.cstruct.cstruct import cstruct\n\n# Create cstruct instance\ncs = cstruct()\n# Create a structure with name 'in'\nstruct = Structure('in', [\n Field('foo', CharType()),\n])\n\ncompiler = Compiler(cs)\ntry:\n compiler.compile(struct)\n print(\"Success!\")\nexcept Exception as e:\n print(f\"Failed: {e}\")\n import traceback\n traceback.print_exc()\nPY\n"
}Result of run_command 445 characters
{
"status": "error",
"error_type": "CommandError",
"error_message": "Traceback (most recent call last):\n File \"<stdin>\", line 9, in <module>\nTypeError: CharType.__init__() missing 1 required positional argument: 'cstruct'\n",
"details": {
"stdout": "",
"stderr": "Traceback (most recent call last):\n File \"<stdin>\", line 9, in <module>\nTypeError: CharType.__init__() missing 1 required positional argument: 'cstruct'\n",
"exit_code": 1
}
}Turn 10at 181 s115 tokens out11,243 prompt tokens
It seems `CharType` also needs `cstruct`. Let's check `dissect/cstruct/types.py` to see how to instantiate types. Wait, maybe I can just use a mock for `cstruct` if it's not used much, or look at how they are normally instantiated. Let's read `dissect/cstruct/types.py`.
TOOL CALL · run_command
{
"command": "grep -n \"class CharType\" dissect/cstruct/types.py"
}Result of run_command 245 characters
{
"status": "error",
"error_type": "CommandError",
"error_message": "grep: dissect/cstruct/types.py: No such file or directory\n",
"details": {
"stdout": "",
"stderr": "grep: dissect/cstruct/types.py: No such file or directory\n",
"exit_code": 2
}
}Turn 11at 191 s107 tokens out11,451 prompt tokens
Wait, where are the types? The workspace layout said `./dissect/cstruct/types` (a directory). Ah, it's a package! `dissect/cstruct/types/__init__.py` probably contains them, or they are in separate files in `dissect/cstruct/types/`. Let's list `dissect/cstruct/types/`.
TOOL CALL · run_command
{
"command": "ls dissect/cstruct/types/"
}Result of run_command 211 characters
{
"status": "ok",
"stdout": "__init__.py\nbase.py\nbytesinteger.py\nchartype.py\nenum.py\nflag.py\ninstance.py\npackedtype.py\npointer.py\nstructure.py\nvoidtype.py\nwchartype.py\n",
"stderr": "",
"exit_code": 0
}Turn 12at 197 s179 tokens out11,661 prompt tokens
Okay, so they are in separate files. Let's try to import them correctly.
TOOL CALL · run_command
{
"command": "python3 - <<'PY'\nfrom dissect.cstruct.compiler import Compiler\nfrom dissect.cstruct.types import Structure, Field, CharType\nfrom dissect.cstruct.cstruct import cstruct\n\n# Create cstruct instance\ncs = cstruct()\n# Create a structure with name 'in'\nstruct = Structure('in', [\n Field('foo', CharType(cs)),\n])\n\ncompiler = Compiler(cs)\ntry:\n compiler.compile(struct)\n print(\"Success!\")\nexcept Exception as e:\n print(f\"Failed: {e}\")\n import traceback\n traceback.print_exc()\nPY\n"
}Result of run_command 595 characters
{
"status": "error",
"error_type": "CommandError",
"error_message": "Traceback (most recent call last):\n File \"<stdin>\", line 8, in <module>\n File \"/workspace/dissect/cstruct/types/structure.py\", line 47, in __init__\n for field in self.fields:\nTypeError: 'NoneType' object is not iterable\n",
"details": {
"stdout": "",
"stderr": "Traceback (most recent call last):\n File \"<stdin>\", line 8, in <module>\n File \"/workspace/dissect/cstruct/types/structure.py\", line 47, in __init__\n for field in self.fields:\nTypeError: 'NoneType' object is not iterable\n",
"exit_code": 1
}
}Turn 13at 204 s91 tokens out12,047 prompt tokens
It seems `Structure`'s `__init__` expects `fields` to be iterable, but I didn't provide it correctly? No, I provided `[Field('foo', CharType(cs))]`.
Wait, let me check `dissect/cstruct/types/structure.py`.
TOOL CALL · run_command
{
"command": "cat dissect/cstruct/types/structure.py"
}Result of run_command 5,238 characters
{
"status": "ok",
"stdout": "from __future__ import annotations\n\nimport io\nfrom collections import OrderedDict\nfrom typing import TYPE_CHECKING, Any, BinaryIO, List\n\nfrom dissect.cstruct.bitbuffer import BitBuffer\nfrom dissect.cstruct.types import BaseType, Enum, Instance\n\nif TYPE_CHECKING:\n from dissect.cstruct import cstruct\n\n\nclass Field:\n \"\"\"Holds a structure field.\"\"\"\n\n def __init__(self, name: str, type_: BaseType, bits: int = None, offset: int = None):\n self.name = name\n self.type = type_\n self.bits = bits\n self.offset = offset\n self.alignment = type_.alignment\n\n def __repr__(self):\n bits_str = f\" : {self.bits}\" if self.bits else \"\"\n return f\"<Field {self.name} {self.type}{bits_str}>\"\n\n\nclass Structure(BaseType):\n \"\"\"Type class for structures.\"\"\"\n\n def __init__(\n self, cstruct: cstruct, name: str, fields: List[Field] = None, align: bool = False, anonymous: bool = False\n ):\n super().__init__(cstruct)\n self.name = name\n self.size = None\n self.alignment = None\n\n self.lookup = OrderedDict()\n self.fields = fields\n\n self.align = align\n self.anonymous = anonymous\n self.dynamic = False\n\n for field in self.fields:\n self.lookup[field.name] = field\n if isinstance(field.type, Structure) and field.type.anonymous:\n self.lookup.update(field.type.lookup)\n\n self._calc_size_and_offsets()\n\n def __len__(self) -> int:\n if self.dynamic:\n raise TypeError(\"Dynamic size\")\n\n if self.size is None:\n self._calc_size_and_offsets()\n\n return self.size\n\n def __repr__(self) -> str:\n return f\"<Structure {self.name}>\"\n\n def _calc_size_and_offsets(self) -> None:\n \"\"\"Iterate all fields in this structure to calculate the field offsets and total structure size.\n\n If a structure has a dynamic field, further field offsets will be set to None and self.dynamic\n will be set to True.\n \"\"\"\n # The current offset, set to None if we become dynamic\n offset = 0\n # The current alignment for this structure\n alignment = 0\n\n # The current bit field type\n bits_type = None\n # The offset of the current bit field, set to None if we become dynamic\n bits_field_offset = 0\n # How many bits we have left in the current bit field\n bits_remaining = 0\n\n for field in self.fields:\n if field.offset is not None:\n # If a field already has an offset, it's leading\n offset = field.offset\n\n if self.align and offset is not None:\n # Round to next alignment\n offset += -offset & (field.alignment - 1)\n\n # The alignment of this struct is equal to its largest members' alignment\n alignment = max(alignment, field.type.alignment)\n\n if field.bits:\n field_type = field.type\n\n if isinstance(field_type, Enum):\n field_type = field_type.type\n\n # Bit fields have special logic\n if (\n # Exhausted a bit field\n bits_remaining == 0\n # Moved to a bit field of another type, e.g. uint16 f1 : 8, uint32 f2 : 8;\n or field_type != bits_type\n # Still processing a bit field, but it's at a different offset due to alignment or a manual offset\n or (bits_type is not None and offset > bits_field_offset + bits_type.size)\n ):\n # ... if any of this is true, we have to move to the next field\n bits_type = field_type\n bits_count = bits_type.size * 8\n bits_remaining = bits_count\n bits_field_offset = offset\n\n if offset is not None:\n # We're not dynamic, update the structure size and current offset\n offset += bits_type.size\n\n field.offset = bits_field_offset\n\n bits_remaining -= field.bits\n\n if bits_remaining < 0:\n raise ValueError(\"Straddled bit fields are unsupported\")\n else:\n # Reset bits stuff\n bits_type = None\n bits_field_offset = bits_remaining = 0\n\n field.offset = offset\n\n if offset is not None:\n # We're not dynamic, update the structure size and current offset\n try:\n field_len = len(field.type)\n except TypeError:\n # This field is dynamic\n offset = None\n self.dynamic = True\n continue\n\n offset += field_len\n\n if self.align and offset is not None:\n # Add \"tail padding\" ",
"stderr": "",
"exit_code": 0
}Turn 14at 218 s285 tokens out13,500 prompt tokens
The `Structure.__init__` signature is:
```python
def __init__(
self, cstruct: cstruct, name: str, fields: List[Field] = None, align: bool = False, anonymous: bool = False
):
```
I was calling it as `Structure('in', [Field('foo', CharType(cs))])`, but the first argument must be `cstruct`.
Correct call: `Structure(cs, 'in', [Field('foo', CharType(cs))])`.
Let's try again.
TOOL CALL · run_command
{
"command": "python3 - <<'PY'\nfrom dissect.cstruct.compiler import Compiler\nfrom dissect.cstruct.types import Structure, Field, CharType\nfrom dissect.cstruct.cstruct import cstruct\n\n# Create cstruct instance\ncs = cstruct()\n# Create a structure with name 'in'\nstruct = Structure(cs, 'in', [\n Field('foo', CharType(cs)),\n])\n\ncompiler = Compiler(cs)\ntry:\n compiler.compile(struct)\n print(\"Success!\")\nexcept Exception as e:\n print(f\"Failed: {e}\")\n import traceback\n traceback.print_exc()\nPY\n"
}Result of run_command 389 characters
{
"status": "ok",
"stdout": "Failed: invalid syntax (<compiled in>, line 2)\n",
"stderr": "Traceback (most recent call last):\n File \"<stdin>\", line 14, in <module>\n File \"/workspace/dissect/cstruct/compiler.py\", line 86, in compile\n code_object = compile(\n File \"<compiled in>\", line 2\n class in(Structure):\n ^^\nSyntaxError: invalid syntax\n",
"exit_code": 0
}Turn 15at 255 s732 tokens out13,927 prompt tokens
Perfect! Reproduced.
Now I need to implement the fix in `dissect/cstruct/compiler.py`.
I will import `keyword` and sanitize the `structure_name`.
Wait, let me double check if I should sanitize it in `compile` or `gen_struct_class`.
In `compile`:
```python
def compile(self, structure: Structure) -> Structure:
if isinstance(structure, Union) or structure.align:
return structure
structure_name = structure.name
try:
# Generate struct class based on provided structure type
source = self.gen_struct_class(structure_name, structure)
```
And `gen_struct_class` uses `name` in `COMPILE_TEMPLATE.format(name=name, ...)`.
If I sanitize `structure_name` in `compile`, I can pass the sanitized name to `gen_struct_class` and use it to get the class from `env`.
```python
import keyword
# ...
def compile(self, structure: Structure) -> Structure:
if isinstance(structure, Union) or structure.align:
return structure
structure_name = structure.name
safe_name = structure_name
if keyword.iskeyword(safe_name):
safe_name = f"_{safe_name}"
try:
# Generate struct class based on provided structure type
source = self.gen_struct_class(safe_name, structure)
except TypeError:
return structure
# Create code object that can be executed later on
code_object = compile(
source,
f"<compiled {structure_name}>",
"exec",
)
# ...
exec(code_object, env)
return env[safe_name](self.cstruct, structure, source)
```
Let's check if `Structure` is used anywhere else in `Compiler` that might depend on the original name.
Looking at `COMPILE_TEMPLATE`:
```python
COMPILE_TEMPLATE = """
class {name}(Structure):
def __init__(self, cstruct, structure, source=None):
self.structure = structure
self.source = source
super().__init__(cstruct, structure.name, structure.fields, anonymous=structure.anonymous)
# ...
def __repr__(self):
return '<Structure {name} +compiled>'
"""
```
`super().__init__` uses `structure.name`, which is the original name. This is correct.
The `__repr__` uses `{name}`, which will be the `safe_name`. This is also fine.
One thing: `f"<compiled {structure_name}>"` as the filename in `compile()`. This is fine.
Let's apply the fix.
TOOL CALL · edit_file
{
"filepath": "dissect/cstruct/compiler.py",
"new_string": "from __future__ import annotations\n\nimport keyword\nimport struct\nfrom collections import OrderedDict\nfrom textwrap import dedent\nfrom typing import TYPE_CHECKING, List\n",
"old_string": "from __future__ import annotations\n\nimport struct\nfrom collections import OrderedDict\nfrom textwrap import dedent\nfrom typing import TYPE_CHECKING, List\n"
}Result of edit_file 361 characters
{
"status": "ok",
"filepath": "dissect/cstruct/compiler.py",
"occurrences": 1,
"strategy": "exact",
"diff": "--- a/dissect/cstruct/compiler.py\n+++ b/dissect/cstruct/compiler.py\n@@ -1,5 +1,6 @@\n from __future__ import annotations\n \n+import keyword\n import struct\n from collections import OrderedDict\n from textwrap import dedent\n",
"is_truncated": false
}Turn 16at 274 s619 tokens out14,793 prompt tokens
Now update the `compile` method.
TOOL CALL · edit_file
{
"filepath": "dissect/cstruct/compiler.py",
"new_string": " def compile(self, structure: Structure) -> Structure:\\n if isinstance(structure, Union) or structure.align:\\n return structure\\n\\n structure_name = structure.name\\n safe_name = structure_name\\n if keyword.iskeyword(safe_name):\\n safe_name = f\\\"_{safe_name}\\\"\\n\\n try:\\n # Generate struct class based on provided structure type\\n source = self.gen_struct_class(safe_name, structure)\\n except TypeError:\\n return structure\\n\\n # Create code object that can be executed later on\\n code_object = compile(\\n source,\\n f\\\"<compiled {structure_name}>\\\",\\n \\\"exec\\\",\\n )\\n\\n env = {\\n \\\"OrderedDict\\\": OrderedDict,\\n \\\"Structure\\\": Structure,\\n \\\"Instance\\\": Instance,\\n \\\"Expression\\\": Expression,\\n \\\"EnumInstance\\\": EnumInstance,\\n \\\"FlagInstance\\\": FlagInstance,\\n \\\"PointerInstance\\\": PointerInstance,\\n \\\"BytesInteger\\\": BytesInteger,\\n \\\"BitBuffer\\\": BitBuffer,\\n \\\"struct\\\": struct,\\n \\\"range\\\": range,\\n }\\n\\n exec(code_object, env)\\n return env[safe_name](self.cstruct, structure, source)\\n",
"old_string": " def compile(self, structure: Structure) -> Structure:\\n if isinstance(structure, Union) or structure.align:\\n return structure\\n\\n structure_name = structure.name\\n\\n try:\\n # Generate struct class based on provided structure type\\n source = self.gen_struct_class(structure_name, structure)\\n except TypeError:\\n return structure\\n\\n # Create code object that can be executed later on\\n code_object = compile(\\n source,\\n f\\\"<compiled {structure_name}>\\\",\\n \\\"exec\\\",\\n )\\n\\n env = {\\n \\\"OrderedDict\\\": OrderedDict,\\n \\\"Structure\\\": Structure,\\n \\\"Instance\\\": Instance,\\n \\\"Expression\\\": Expression,\\n \\\"EnumInstance\\\": EnumInstance,\\n \\\"FlagInstance\\\": FlagInstance,\\n \\\"PointerInstance\\\": PointerInstance,\\n \\\"BytesInteger\\\": BytesInteger,\\n \\\"BitBuffer\\\": BitBuffer,\\n \\\"struct\\\": struct,\\n \\\"range\\\": range,\\n }\\n\\n exec(code_object, env)\\n return env[structure_name](self.cstruct, structure, source)\\n"
}Result of edit_file 1,021 characters
{
"status": "ok",
"filepath": "dissect/cstruct/compiler.py",
"occurrences": 1,
"strategy": "unescaped",
"diff": "--- a/dissect/cstruct/compiler.py\n+++ b/dissect/cstruct/compiler.py\n@@ -76,10 +76,13 @@\n return structure\n \n structure_name = structure.name\n+ safe_name = structure_name\n+ if keyword.iskeyword(safe_name):\n+ safe_name = f\"_{safe_name}\"\n \n try:\n # Generate struct class based on provided structure type\n- source = self.gen_struct_class(structure_name, structure)\n+ source = self.gen_struct_class(safe_name, structure)\n except TypeError:\n return structure\n \n@@ -105,7 +108,7 @@\n }\n \n exec(code_object, env)\n- return env[structure_name](self.cstruct, structure, source)\n+ return env[safe_name](self.cstruct, structure, source)\n \n def gen_struct_class(self, name: str, structure: Structure) -> str:\n blocks = []\n",
"is_truncated": false
}Turn 17at 328 s385 tokens out4,628 prompt tokens
Now let's verify the fix with the reproduction script and check if it also works for non-keywords.
TOOL CALL · run_command
{
"command": "python3 - <<'PY'\nfrom dissect.cstruct.compiler import Compiler\nfrom dissect.cstruct.types import Structure, Field, CharType\nfrom dissect.cstruct.cstruct import cstruct\n\ndef test_keyword_name():\n print(\"Testing keyword name 'in'...\")\n cs = cstruct()\n struct = Structure(cs, 'in', [\n Field('foo', CharType(cs)),\n ])\n compiler = Compiler(cs)\n try:\n compiled = compiler.compile(struct)\n print(f\"Success! Compiled type: {type(compiled)}\")\n print(f\"Repr: {compiled}\")\n except Exception as e:\n print(f\"Failed: {e}\")\n import traceback\n traceback.print_exc()\n raise e\n\ndef test_normal_name():\n print(\"\\nTesting normal name 'MyStruct'...\")\n cs = cstruct()\n struct = Structure(cs, 'MyStruct', [\n Field('foo', CharType(cs)),\n ])\n compiler = Compiler(cs)\n try:\n compiled = compiler.compile(struct)\n print(f\"Success! Compiled type: {type(compiled)}\")\n print(f\"Repr: {compiled}\")\n except Exception as e:\n print(f\"Failed: {e}\")\n import traceback\n traceback.print_exc()\n raise e\n\nif __name__ == \"__main__\":\n test_keyword_name()\n test_normal_name()\nPY\n"
}Result of run_command 281 characters
{
"status": "ok",
"stdout": "Testing keyword name 'in'...\nSuccess! Compiled type: <class '_in'>\nRepr: <Structure _in +compiled>\n\nTesting normal name 'MyStruct'...\nSuccess! Compiled type: <class 'MyStruct'>\nRepr: <Structure MyStruct +compiled>\n",
"stderr": "",
"exit_code": 0
}Turn 18at 334 s78 tokens out5,115 prompt tokens
The fix works as expected. Now I'll check if there are any other tests I should run. The `tests/` directory likely has tests for `compiler.py`. Let me search for tests related to `compiler`.
TOOL CALL · run_command
{
"command": "grep -rn \"compiler\" tests/ | head -n 20"
}Result of run_command 211 characters
{
"status": "ok",
"stdout": "tests/test_basic.py:269:def test_compiler_slicing_multiple(compiled):\ntests/test_basic.py:320: # Add an unsupported type for the cstruct compiler\n",
"stderr": "",
"exit_code": 0
}Turn 19at 338 s57 tokens out5,282 prompt tokens
Let's run `tests/test_basic.py` to make sure I didn't break anything.
TOOL CALL · run_command
{
"command": "pytest tests/test_basic.py -q --tb=short --no-header"
}Result of run_command 161 characters
{
"status": "ok",
"stdout": "..................................... [100%]\n37 passed in 0.10s\n",
"stderr": "",
"exit_code": 0
}Turn 20at 344 s40 tokens out5,401 prompt tokens
Everything looks good. I'll do a final check on the files I modified.
TOOL CALL · run_command
{
"command": "git status --short && git diff"
}Result of run_command 1,401 characters
{
"status": "ok",
"stdout": " M dissect/cstruct/compiler.py\ndiff --git a/dissect/cstruct/compiler.py b/dissect/cstruct/compiler.py\nindex 296d944..6be7a8f 100644\n--- a/dissect/cstruct/compiler.py\n+++ b/dissect/cstruct/compiler.py\n@@ -1,5 +1,6 @@\n from __future__ import annotations\n \n+import keyword\n import struct\n from collections import OrderedDict\n from textwrap import dedent\n@@ -75,10 +76,13 @@ class {name}(Structure):\n return structure\n \n structure_name = structure.name\n+ safe_name = structure_name\n+ if keyword.iskeyword(safe_name):\n+ safe_name = f\"_{safe_name}\"\n \n try:\n # Generate struct class based on provided structure type\n- source = self.gen_struct_class(structure_name, structure)\n+ source = self.gen_struct_class(safe_name, structure)\n except TypeError:\n return structure\n \n@@ -104,7 +108,7 @@ class {name}(Structure):\n }\n \n exec(code_object, env)\n- return env[structure_name](self.cstruct, structure, source)\n+ return env[safe_name](self.cstruct, structure, source)\n \n def gen_struct_class(self, name: str, structure: Structure) -> str:\n blocks = []\n",
"stderr": "",
"exit_code": 0,
"budget_warning": "Only 10 tool call(s) remaining (20/30 used). Finalize your edits and call submit_patch soon."
}Turn 21at 360 s203 tokens out5,900 prompt tokens
The diff is clean and correct. No untracked files. Final verification of the fix: 1. `keyword` module is imported. 2. `safe_name` is calculated based on whether `structure.name` is a keyword. 3. `safe_name` is used in `gen_struct_class` to ensure the generated class name is valid Python. 4. `safe_name` is used to retrieve the generated class from the `env` dictionary. 5. Original `structure_name` is still used for the `compile()` filename for better debugging. 6. `structure.name` (the original name) is still passed to `Structure.__init__`, so the original identity of the structure is preserved. 7. The `__repr__` of the compiled class will now show the sanitized name. This is acceptable and avoids the `SyntaxError`. I'm confident.
TOOL CALL · submit_patch
Result of submit_patch 56 characters
{
"status": "ok",
"patch_size": 1158,
"files_changed": 1
}Turn 22at 367 s127 tokens out6,144 prompt tokens
The `dissect.cstruct.compiler.Compiler.compile` method previously used the structure's name directly as the class name in the generated Python code. If the structure's name was a Python keyword (e.g., `in`), this resulted in a `SyntaxError`. The fix introduces `keyword.iskeyword` checks to sanitize the structure name by prefixing it with an underscore if it is a Python keyword. This sanitized `safe_name` is used for both the class definition and the subsequent lookup in the execution environment, while the original name is preserved in the structure's metadata.
Model calls (not matched to turns)
Generated tokens 230 tokens · stopped: STOP
The user is reporting a `SyntaxError` when a parsed structure contains keywords of Python (e.g., `in`). The error happens in `dissect/cstruct/compiler.py` at line 86, inside the `compile` function. The generated code looks like `class in(Structure):`, which is invalid Python syntax. I need to find where the class name is generated in `dissect/cstruct/compiler.py` and ensure that if the name is a Python keyword, it is sanitized (e.g., by adding a prefix or suffix). Plan: 1. Explore `dissect/cstruct/compiler.py` to see how it generates the Python code for the structure. 2. Create a reproduction script to confirm the issue. 3. Modify the compiler to handle Python keywords. 4. Verify the fix with the reproduction script and existing tests.
<|channel>thought
The user is reporting a `SyntaxError` when a parsed structure contains keywords of Python (e.g., `in`).
The error happens in `dissect/cstruct/compiler.py` at line 86, inside the `compile` function.
The generated code looks like `class in(Structure):`, which is invalid Python syntax.
I need to find where the class name is generated in `dissect/cstruct/compiler.py` and ensure that if the name is a Python keyword, it is sanitized (e.g., by adding a prefix or suffix).
Plan:
1. Explore `dissect/cstruct/compiler.py` to see how it generates the Python code for the structure.
2. Create a reproduction script to confirm the issue.
3. Modify the compiler to handle Python keywords.
4. Verify the fix with the reproduction script and existing tests.<channel|><|tool_call>call:run_command{command:<|"|>grep -rn --include="*.py" -e "def compile" dissect/cstruct/compiler.py<|"|>}<tool_call|><|tool_response>
Generated tokens 65 tokens · stopped: STOP
Okay, let's read `dissect/cstruct/compiler.py` around line 73-100.
Okay, let's read `dissect/cstruct/compiler.py` around line 73-100.<channel|><|tool_call>call:read_file{end_line:120,filepath:<|"|>dissect/cstruct/compiler.py`,start_line:70}<tool_call|><|tool_response>
Generated tokens 292 tokens · stopped: STOP
Ah, I see what happened. The `read_file` tool is failing or I might have made a mistake in the filepath. Wait, the filepath is `/workspace/dissect/cstruct/compiler.py`. Let me try again. Actually, the error message says `Could not find the file /workspace/dissect/cstruct/compiler.py`,start_line:70 in container... it seems I might have passed the start_line as part of the path or something? No, the tool call was: `read_file(end_line=120, filepath='dissect/cstruct/compiler.py', start_line=70)` The error message looks weird: `%2Fworkspace%2Fdissect%2Fcstruct%2Fcompiler.py%60%2Cstart_line%3A70`. It seems it interpreted the comma as part of the path. This might be a tool implementation bug, but I should try to avoid it. Wait, looking at the error: `Could not find the file /workspace/dissect/cstruct/compiler.py`,start_line:70. This is very strange. Let me try to read the whole file if it's not too large.
Ah, I see what happened. The `read_file` tool is failing or I might have made a mistake in the filepath. Wait, the filepath is `/workspace/dissect/cstruct/compiler.py`. Let me try again. Actually, the error message says `Could not find the file /workspace/dissect/cstruct/compiler.py`,start_line:70 in container... it seems I might have passed the start_line as part of the path or something? No, the tool call was:
`read_file(end_line=120, filepath='dissect/cstruct/compiler.py', start_line=70)`
The error message looks weird: `%2Fworkspace%2Fdissect%2Fcstruct%2Fcompiler.py%60%2Cstart_line%3A70`. It seems it interpreted the comma as part of the path. This might be a tool implementation bug, but I should try to avoid it.
Wait, looking at the error: `Could not find the file /workspace/dissect/cstruct/compiler.py`,start_line:70. This is very strange.
Let me try to read the whole file if it's not too large.
<channel|><|tool_call>call:read_file{filepath:<|"|>dissect/cstruct/compiler.py<|"|>}<tool_call|><|tool_response>
Generated tokens 478 tokens · stopped: STOP
The `COMPILE_TEMPLATE` is:
```python
COMPILE_TEMPLATE = """
class {name}(Structure):
def __init__(self, cstruct, structure, source=None):
self.structure = structure
self.source = source
super().__init__(cstruct, structure.name, structure.fields, anonymous=structure.anonymous)
def _read(self, stream, context=None):
r = OrderedDict()
sizes = {}
bitreader = BitBuffer(stream, self.cstruct.endian)
{read_code}
return Instance(self, r, sizes)
def add_field(self, name, type_, offset=None):
raise NotImplementedError("Can't add fields to a compiled structure")
def __repr__(self):
return '<Structure {name} +compiled>'
"""
```
And in `compile`:
```python
def compile(self, structure: Structure) -> Structure:
if isinstance(structure, Union) or structure.align:
return structure
structure_name = structure.name
try:
# Generate struct class based on provided structure type
source = self.gen_struct_class(structure_name, structure)
except TypeError:
return structure
# Create code object that can be executed later on
code_object = compile(
source,
f"<compiled {structure_name}>",
"exec",
)
```
The `structure_name` is used as the class name in `COMPILE_TEMPLATE`. If `structure_name` is `in`, it will fail.
I should check if there is any other place where Python keywords are used as identifiers in the generated code.
`{read_code}` is also inserted into the template. I should see how `read_code` is generated.
Let's look at `gen_struct_class` and `gen_read_block`. I only saw the beginning of `gen_struct_class`.
The `COMPILE_TEMPLATE` is:
```python
COMPILE_TEMPLATE = """
class {name}(Structure):
def __init__(self, cstruct, structure, source=None):
self.structure = structure
self.source = source
super().__init__(cstruct, structure.name, structure.fields, anonymous=structure.anonymous)
def _read(self, stream, context=None):
r = OrderedDict()
sizes = {}
bitreader = BitBuffer(stream, self.cstruct.endian)
{read_code}
return Instance(self, r, sizes)
def add_field(self, name, type_, offset=None):
raise NotImplementedError("Can't add fields to a compiled structure")
def __repr__(self):
return '<Structure {name} +compiled>'
"""
```
And in `compile`:
```python
def compile(self, structure: Structure) -> Structure:
if isinstance(structure, Union) or structure.align:
return structure
structure_name = structure.name
try:
# Generate struct class based on provided structure type
source = self.gen_struct_class(structure_name, structure)
except TypeError:
return structure
# Create code object that can be executed later on
code_object = compile(
source,
f"<compiled {structure_name}>",
"exec",
)
```
The `structure_name` is used as the class name in `COMPILE_TEMPLATE`. If `structure_name` is `in`, it will fail.
I should check if there is any other place where Python keywords are used as identifiers in the generated code.
`{read_code}` is also inserted into the template. I should see how `read_code` is generated.
Let's look at `gen_struct_class` and `gen_read_block`. I only saw the beginning of `gen_struct_class`.
<channel|><|tool_call>call:read_file{filepath:<|"|>dissect/cstruct/compiler.py`,start_line:151}<tool_call|><|tool_response>
Generated tokens 218 tokens · stopped: STOP
Again, the `read_file` tool is behaving oddly when `start_line` is provided. It seems to be appending `,start_line:151` to the filename. This is definitely a bug in the tool or the environment. Since `read_file` without `start_line` works, I will read the file in chunks of 150 lines or just read the whole file if possible. The file has 408 lines, so I can read it in 3-4 calls without `start_line` if I use some other way, but `read_file` doesn't have an "offset" or similar. Wait, if I don't provide `start_line`, it always starts from 1 and truncates at 150. Let me try to use `run_command` with `tail` or `cat` to get the rest of the file.
Again, the `read_file` tool is behaving oddly when `start_line` is provided. It seems to be appending `,start_line:151` to the filename. This is definitely a bug in the tool or the environment. Since `read_file` without `start_line` works, I will read the file in chunks of 150 lines or just read the whole file if possible. The file has 408 lines, so I can read it in 3-4 calls without `start_line` if I use some other way, but `read_file` doesn't have an "offset" or similar.
Wait, if I don't provide `start_line`, it always starts from 1 and truncates at 150.
Let me try to use `run_command` with `tail` or `cat` to get the rest of the file.
<channel|><|tool_call>call:run_command{command:<|"|>cat dissect/cstruct/compiler.py<|"|>}<tool_call|><|tool_response>
Generated tokens 170 tokens · stopped: STOP
Wait, `run_command` also truncated the output! The stdout truncation rule says: "run_command truncates stdout after the first 5,000 characters from the TOP." The file is 408 lines. It should fit in 5,000 characters. Wait, it looks like it was truncated at `cu`... `if field.bits:\n blocks.append(self.gen_read_block(read_size, cu`. Let me try to use `cat` but only for the latter part of the file. Or better, use `sed` to get ranges of lines.
Wait, `run_command` also truncated the output! The stdout truncation rule says: "run_command truncates stdout after the first 5,000 characters from the TOP."
The file is 408 lines. It should fit in 5,000 characters.
Wait, it looks like it was truncated at `cu`... `if field.bits:\n blocks.append(self.gen_read_block(read_size, cu`.
Let me try to use `cat` but only for the latter part of the file. Or better, use `sed` to get ranges of lines.
<channel|><|tool_call>call:run_command{command:<|"|>sed -n '140,408p' dissect/cstruct/compiler.py<|"|>}<tool_call|><|tool_response>
Generated tokens 981 tokens · stopped: STOP
The code uses `{name}` in `COMPILE_TEMPLATE` and `classes.append(self.COMPILE_TEMPLATE.format(name=name, read_code=read_code))`.
The `name` comes from `structure_name = structure.name`.
If `structure.name` is `in`, the generated code will be `class in(Structure):`.
I should sanitize the `name` if it's a Python keyword.
I can use the `keyword` module in Python to check if a string is a keyword.
```python
import keyword
if keyword.iskeyword(name):
name = f"_{name}"
```
Wait, if I change the class name, I also need to make sure that when the compiler returns the structure, it uses the correct name to retrieve it from `env`.
In `compile()`:
```python
exec(code_object, env)
return env[structure_name](self.cstruct, structure, source)
```
If I change `structure_name` to `_structure_name` for the class definition, I must also use `_structure_name` when retrieving from `env`.
Let's see where I should apply the sanitization.
In `compile()`:
```python
def compile(self, structure: Structure) -> Structure:
if isinstance(structure, Union) or structure.align:
return structure
structure_name = structure.name
try:
# Generate struct class based on provided structure type
source = self.gen_struct_class(structure_name, structure)
```
And `gen_struct_class()`:
```python
def gen_struct_class(self, name: str, structure: Structure) -> str:
# ...
classes.append(self.COMPILE_TEMPLATE.format(name=name, read_code=read_code))
return "\n\n".join(classes)
```
If I sanitize `name` inside `compile()`, it will be passed as the sanitized name to `gen_struct_class()` and used in `env`.
Wait, the original `structure_name` is `structure.name`. If I change it, I should probably call it something else to avoid confusion.
```python
structure_name = structure.name
safe_name = structure_name
if keyword.iskeyword(safe_name):
safe_name = f"_{safe_name}"
```
Then use `safe_name` for `gen_struct_class` and for `env[safe_name]`.
Let's check if there are other places where `structure_name` is used.
In `compile()`:
```python
code_object = compile(
source,
f"<compiled {structure_name}>",
"exec",
)
```
Using `structure_name` in the filename of the code object is fine, it's just a string.
Let's verify this with a reproduction script.
I need to see how to use `dissect.cstruct` to create a structure with a name that is a keyword.
I should look at the types in `dissect.cstruct.types`.
Wait, the issue description just says "When the parsed structure contains keywords of Python (e.g., `in`), the compiler complains."
I can try to create a simple `Structure` object and pass it to the `Compiler`.
First, let's see how `Structure` and `Compiler` are used.
I'll read `dissect/cstruct/types.py` or `dissect/cstruct/cstruct.py`.
Actually, I can just try to import them and use them in a script.
The code uses `{name}` in `COMPILE_TEMPLATE` and `classes.append(self.COMPILE_TEMPLATE.format(name=name, read_code=read_code))`.
The `name` comes from `structure_name = structure.name`.
If `structure.name` is `in`, the generated code will be `class in(Structure):`.
I should sanitize the `name` if it's a Python keyword.
I can use the `keyword` module in Python to check if a string is a keyword.
```python
import keyword
if keyword.iskeyword(name):
name = f"_{name}"
```
Wait, if I change the class name, I also need to make sure that when the compiler returns the structure, it uses the correct name to retrieve it from `env`.
In `compile()`:
```python
exec(code_object, env)
return env[structure_name](self.cstruct, structure, source)
```
If I change `structure_name` to `_structure_name` for the class definition, I must also use `_structure_name` when retrieving from `env`.
Let's see where I should apply the sanitization.
In `compile()`:
```python
def compile(self, structure: Structure) -> Structure:
if isinstance(structure, Union) or structure.align:
return structure
structure_name = structure.name
try:
# Generate struct class based on provided structure type
source = self.gen_struct_class(structure_name, structure)
```
And `gen_struct_class()`:
```python
def gen_struct_class(self, name: str, structure: Structure) -> str:
# ...
classes.append(self.COMPILE_TEMPLATE.format(name=name, read_code=read_code))
return "\n\n".join(classes)
```
If I sanitize `name` inside `compile()`, it will be passed as the sanitized name to `gen_struct_class()` and used in `env`.
Wait, the original `structure_name` is `structure.name`. If I change it, I should probably call it something else to avoid confusion.
```python
structure_name = structure.name
safe_name = structure_name
if keyword.iskeyword(safe_name):
safe_name = f"_{safe_name}"
```
Then use `safe_name` for `gen_struct_class` and for `env[safe_name]`.
Let's check if there are other places where `structure_name` is used.
In `compile()`:
```python
code_object = compile(
source,
f"<compiled {structure_name}>",
"exec",
)
```
Using `structure_name` in the filename of the code object is fine, it's just a string.
Let's verify this with a reproduction script.
I need to see how to use `dissect.cstruct` to create a structure with a name that is a keyword.
I should look at the types in `dissect.cstruct.types`.
Wait, the issue description just says "When the parsed structure contains keywords of Python (e.g., `in`), the compiler complains."
I can try to create a simple `Structure` object and pass it to the `Compiler`.
First, let's see how `Structure` and `Compiler` are used.
I'll read `dissect/cstruct/types.py` or `dissect/cstruct/cstruct.py`.
Actually, I can just try to import them and use them in a script.
<channel|><|tool_call>call:run_command{command:<|"|>python3 - <<'PY'
from dissect.cstruct.compiler import Compiler
from dissect.cstruct.types import Structure, Field, CharType
from dissect.cstruct.cstruct import CStruct
# Mock CStruct
cstruct = CStruct()
# Create a structure with name 'in'
struct = Structure('in', [
Field('foo', CharType()),
])
compiler = Compiler(cstruct)
try:
compiler.compile(struct)
print("Success!")
except Exception as e:
print(f"Failed: {e}")
import traceback
traceback.print_exc()
PY
<|"|>}<tool_call|><|tool_response>
Generated tokens 63 tokens · stopped: STOP
Ah, `CStruct` might not be the name of the class in `dissect/cstruct/cstruct.py`. Let's check that file.
Ah, `CStruct` might not be the name of the class in `dissect/cstruct/cstruct.py`. Let's check that file.
<channel|><|tool_call>call:run_command{command:<|"|>grep "class " dissect/cstruct/cstruct.py<|"|>}<tool_call|><|tool_response>
Generated tokens 191 tokens · stopped: STOP
It's `class cstruct:`. Pythonic naming for a class is Uppercase, but here it's lowercase. Let's try again.
It's `class cstruct:`. Pythonic naming for a class is Uppercase, but here it's lowercase.
Let's try again.
<channel|><|tool_call>call:run_command{command:<|"|>python3 - <<'PY'
from dissect.cstruct.compiler import Compiler
from dissect.cstruct.types import Structure, Field, CharType
from dissect.cstruct.cstruct import cstruct
# Create cstruct instance
cs = cstruct()
# Create a structure with name 'in'
struct = Structure('in', [
Field('foo', CharType()),
])
compiler = Compiler(cs)
try:
compiler.compile(struct)
print("Success!")
except Exception as e:
print(f"Failed: {e}")
import traceback
traceback.print_exc()
PY
<|"|>}<tool_call|><|tool_response>
Generated tokens 115 tokens · stopped: STOP
It seems `CharType` also needs `cstruct`. Let's check `dissect/cstruct/types.py` to see how to instantiate types. Wait, maybe I can just use a mock for `cstruct` if it's not used much, or look at how they are normally instantiated. Let's read `dissect/cstruct/types.py`.
It seems `CharType` also needs `cstruct`.
Let's check `dissect/cstruct/types.py` to see how to instantiate types.
Wait, maybe I can just use a mock for `cstruct` if it's not used much, or look at how they are normally instantiated.
Let's read `dissect/cstruct/types.py`.
<channel|><|tool_call>call:run_command{command:<|"|>grep -n "class CharType" dissect/cstruct/types.py<|"|>}<tool_call|><|tool_response>
Generated tokens 107 tokens · stopped: STOP
Wait, where are the types? The workspace layout said `./dissect/cstruct/types` (a directory). Ah, it's a package! `dissect/cstruct/types/__init__.py` probably contains them, or they are in separate files in `dissect/cstruct/types/`. Let's list `dissect/cstruct/types/`.
Wait, where are the types?
The workspace layout said `./dissect/cstruct/types` (a directory).
Ah, it's a package! `dissect/cstruct/types/__init__.py` probably contains them, or they are in separate files in `dissect/cstruct/types/`.
Let's list `dissect/cstruct/types/`.
<channel|><|tool_call>call:run_command{command:<|"|>ls dissect/cstruct/types/<|"|>}<tool_call|><|tool_response>
Generated tokens 179 tokens · stopped: STOP
Okay, so they are in separate files. Let's try to import them correctly.
Okay, so they are in separate files.
Let's try to import them correctly.
<channel|><|tool_call>call:run_command{command:<|"|>python3 - <<'PY'
from dissect.cstruct.compiler import Compiler
from dissect.cstruct.types import Structure, Field, CharType
from dissect.cstruct.cstruct import cstruct
# Create cstruct instance
cs = cstruct()
# Create a structure with name 'in'
struct = Structure('in', [
Field('foo', CharType(cs)),
])
compiler = Compiler(cs)
try:
compiler.compile(struct)
print("Success!")
except Exception as e:
print(f"Failed: {e}")
import traceback
traceback.print_exc()
PY
<|"|>}<tool_call|><|tool_response>
Generated tokens 91 tokens · stopped: STOP
It seems `Structure`'s `__init__` expects `fields` to be iterable, but I didn't provide it correctly? No, I provided `[Field('foo', CharType(cs))]`.
Wait, let me check `dissect/cstruct/types/structure.py`.
It seems `Structure`'s `__init__` expects `fields` to be iterable, but I didn't provide it correctly? No, I provided `[Field('foo', CharType(cs))]`.
Wait, let me check `dissect/cstruct/types/structure.py`.
<channel|><|tool_call>call:run_command{command:<|"|>cat dissect/cstruct/types/structure.py<|"|>}<tool_call|><|tool_response>
Generated tokens 285 tokens · stopped: STOP
The `Structure.__init__` signature is:
```python
def __init__(
self, cstruct: cstruct, name: str, fields: List[Field] = None, align: bool = False, anonymous: bool = False
):
```
I was calling it as `Structure('in', [Field('foo', CharType(cs))])`, but the first argument must be `cstruct`.
Correct call: `Structure(cs, 'in', [Field('foo', CharType(cs))])`.
Let's try again.
The `Structure.__init__` signature is:
```python
def __init__(
self, cstruct: cstruct, name: str, fields: List[Field] = None, align: bool = False, anonymous: bool = False
):
```
I was calling it as `Structure('in', [Field('foo', CharType(cs))])`, but the first argument must be `cstruct`.
Correct call: `Structure(cs, 'in', [Field('foo', CharType(cs))])`.
Let's try again.
<channel|><|tool_call>call:run_command{command:<|"|>python3 - <<'PY'
from dissect.cstruct.compiler import Compiler
from dissect.cstruct.types import Structure, Field, CharType
from dissect.cstruct.cstruct import cstruct
# Create cstruct instance
cs = cstruct()
# Create a structure with name 'in'
struct = Structure(cs, 'in', [
Field('foo', CharType(cs)),
])
compiler = Compiler(cs)
try:
compiler.compile(struct)
print("Success!")
except Exception as e:
print(f"Failed: {e}")
import traceback
traceback.print_exc()
PY
<|"|>}<tool_call|><|tool_response>
Generated tokens 732 tokens · stopped: STOP
Perfect! Reproduced.
Now I need to implement the fix in `dissect/cstruct/compiler.py`.
I will import `keyword` and sanitize the `structure_name`.
Wait, let me double check if I should sanitize it in `compile` or `gen_struct_class`.
In `compile`:
```python
def compile(self, structure: Structure) -> Structure:
if isinstance(structure, Union) or structure.align:
return structure
structure_name = structure.name
try:
# Generate struct class based on provided structure type
source = self.gen_struct_class(structure_name, structure)
```
And `gen_struct_class` uses `name` in `COMPILE_TEMPLATE.format(name=name, ...)`.
If I sanitize `structure_name` in `compile`, I can pass the sanitized name to `gen_struct_class` and use it to get the class from `env`.
```python
import keyword
# ...
def compile(self, structure: Structure) -> Structure:
if isinstance(structure, Union) or structure.align:
return structure
structure_name = structure.name
safe_name = structure_name
if keyword.iskeyword(safe_name):
safe_name = f"_{safe_name}"
try:
# Generate struct class based on provided structure type
source = self.gen_struct_class(safe_name, structure)
except TypeError:
return structure
# Create code object that can be executed later on
code_object = compile(
source,
f"<compiled {structure_name}>",
"exec",
)
# ...
exec(code_object, env)
return env[safe_name](self.cstruct, structure, source)
```
Let's check if `Structure` is used anywhere else in `Compiler` that might depend on the original name.
Looking at `COMPILE_TEMPLATE`:
```python
COMPILE_TEMPLATE = """
class {name}(Structure):
def __init__(self, cstruct, structure, source=None):
self.structure = structure
self.source = source
super().__init__(cstruct, structure.name, structure.fields, anonymous=structure.anonymous)
# ...
def __repr__(self):
return '<Structure {name} +compiled>'
"""
```
`super().__init__` uses `structure.name`, which is the original name. This is correct.
The `__repr__` uses `{name}`, which will be the `safe_name`. This is also fine.
One thing: `f"<compiled {structure_name}>"` as the filename in `compile()`. This is fine.
Let's apply the fix.Perfect! Reproduced.
Now I need to implement the fix in `dissect/cstruct/compiler.py`.
I will import `keyword` and sanitize the `structure_name`.
Wait, let me double check if I should sanitize it in `compile` or `gen_struct_class`.
In `compile`:
```python
def compile(self, structure: Structure) -> Structure:
if isinstance(structure, Union) or structure.align:
return structure
structure_name = structure.name
try:
# Generate struct class based on provided structure type
source = self.gen_struct_class(structure_name, structure)
```
And `gen_struct_class` uses `name` in `COMPILE_TEMPLATE.format(name=name, ...)`.
If I sanitize `structure_name` in `compile`, I can pass the sanitized name to `gen_struct_class` and use it to get the class from `env`.
```python
import keyword
# ...
def compile(self, structure: Structure) -> Structure:
if isinstance(structure, Union) or structure.align:
return structure
structure_name = structure.name
safe_name = structure_name
if keyword.iskeyword(safe_name):
safe_name = f"_{safe_name}"
try:
# Generate struct class based on provided structure type
source = self.gen_struct_class(safe_name, structure)
except TypeError:
return structure
# Create code object that can be executed later on
code_object = compile(
source,
f"<compiled {structure_name}>",
"exec",
)
# ...
exec(code_object, env)
return env[safe_name](self.cstruct, structure, source)
```
Let's check if `Structure` is used anywhere else in `Compiler` that might depend on the original name.
Looking at `COMPILE_TEMPLATE`:
```python
COMPILE_TEMPLATE = """
class {name}(Structure):
def __init__(self, cstruct, structure, source=None):
self.structure = structure
self.source = source
super().__init__(cstruct, structure.name, structure.fields, anonymous=structure.anonymous)
# ...
def __repr__(self):
return '<Structure {name} +compiled>'
"""
```
`super().__init__` uses `structure.name`, which is the original name. This is correct.
The `__repr__` uses `{name}`, which will be the `safe_name`. This is also fine.
One thing: `f"<compiled {structure_name}>"` as the filename in `compile()`. This is fine.
Let's apply the fix.<channel|><|tool_call>call:edit_file{filepath:<|"|>dissect/cstruct/compiler.py<|"|>,new_string:<|"|>from __future__ import annotations
import keyword
import struct
from collections import OrderedDict
from textwrap import dedent
from typing import TYPE_CHECKING, List
<|"|>,old_string:<|"|>from __future__ import annotations
import struct
from collections import OrderedDict
from textwrap import dedent
from typing import TYPE_CHECKING, List
<|"|>}<tool_call|><|tool_response>
Generated tokens 619 tokens · stopped: STOP
Now update the `compile` method.
Now update the `compile` method.
<channel|><|tool_call>call:edit_file{filepath:<|"|>dissect/cstruct/compiler.py<|"|>,new_string:<|"|> def compile(self, structure: Structure) -> Structure:\n if isinstance(structure, Union) or structure.align:\n return structure\n\n structure_name = structure.name\n safe_name = structure_name\n if keyword.iskeyword(safe_name):\n safe_name = f\"_{safe_name}\"\n\n try:\n # Generate struct class based on provided structure type\n source = self.gen_struct_class(safe_name, structure)\n except TypeError:\n return structure\n\n # Create code object that can be executed later on\n code_object = compile(\n source,\n f\"<compiled {structure_name}>\",\n \"exec\",\n )\n\n env = {\n \"OrderedDict\": OrderedDict,\n \"Structure\": Structure,\n \"Instance\": Instance,\n \"Expression\": Expression,\n \"EnumInstance\": EnumInstance,\n \"FlagInstance\": FlagInstance,\n \"PointerInstance\": PointerInstance,\n \"BytesInteger\": BytesInteger,\n \"BitBuffer\": BitBuffer,\n \"struct\": struct,\n \"range\": range,\n }\n\n exec(code_object, env)\n return env[safe_name](self.cstruct, structure, source)\n<|"|>,old_string:<|"|> def compile(self, structure: Structure) -> Structure:\n if isinstance(structure, Union) or structure.align:\n return structure\n\n structure_name = structure.name\n\n try:\n # Generate struct class based on provided structure type\n source = self.gen_struct_class(structure_name, structure)\n except TypeError:\n return structure\n\n # Create code object that can be executed later on\n code_object = compile(\n source,\n f\"<compiled {structure_name}>\",\n \"exec\",\n )\n\n env = {\n \"OrderedDict\": OrderedDict,\n \"Structure\": Structure,\n \"Instance\": Instance,\n \"Expression\": Expression,\n \"EnumInstance\": EnumInstance,\n \"FlagInstance\": FlagInstance,\n \"PointerInstance\": PointerInstance,\n \"BytesInteger\": BytesInteger,\n \"BitBuffer\": BitBuffer,\n \"struct\": struct,\n \"range\": range,\n }\n\n exec(code_object, env)\n return env[structure_name](self.cstruct, structure, source)\n<|"|>}<tool_call|><|tool_response>
Generated tokens 385 tokens · stopped: STOP
Now let's verify the fix with the reproduction script and check if it also works for non-keywords.
Now let's verify the fix with the reproduction script and check if it also works for non-keywords.
<channel|><|tool_call>call:run_command{command:<|"|>python3 - <<'PY'
from dissect.cstruct.compiler import Compiler
from dissect.cstruct.types import Structure, Field, CharType
from dissect.cstruct.cstruct import cstruct
def test_keyword_name():
print("Testing keyword name 'in'...")
cs = cstruct()
struct = Structure(cs, 'in', [
Field('foo', CharType(cs)),
])
compiler = Compiler(cs)
try:
compiled = compiler.compile(struct)
print(f"Success! Compiled type: {type(compiled)}")
print(f"Repr: {compiled}")
except Exception as e:
print(f"Failed: {e}")
import traceback
traceback.print_exc()
raise e
def test_normal_name():
print("\nTesting normal name 'MyStruct'...")
cs = cstruct()
struct = Structure(cs, 'MyStruct', [
Field('foo', CharType(cs)),
])
compiler = Compiler(cs)
try:
compiled = compiler.compile(struct)
print(f"Success! Compiled type: {type(compiled)}")
print(f"Repr: {compiled}")
except Exception as e:
print(f"Failed: {e}")
import traceback
traceback.print_exc()
raise e
if __name__ == "__main__":
test_keyword_name()
test_normal_name()
PY
<|"|>}<tool_call|><|tool_response>
Generated tokens 78 tokens · stopped: STOP
The fix works as expected. Now I'll check if there are any other tests I should run. The `tests/` directory likely has tests for `compiler.py`. Let me search for tests related to `compiler`.
The fix works as expected. Now I'll check if there are any other tests I should run.
The `tests/` directory likely has tests for `compiler.py`. Let me search for tests related to `compiler`.
<channel|><|tool_call>call:run_command{command:<|"|>grep -rn "compiler" tests/ | head -n 20<|"|>}<tool_call|><|tool_response>
Generated tokens 57 tokens · stopped: STOP
Let's run `tests/test_basic.py` to make sure I didn't break anything.
Let's run `tests/test_basic.py` to make sure I didn't break anything.
<channel|><|tool_call>call:run_command{command:<|"|>pytest tests/test_basic.py -q --tb=short --no-header<|"|>}<tool_call|><|tool_response>
Generated tokens 40 tokens · stopped: STOP
Everything looks good. I'll do a final check on the files I modified.
Everything looks good. I'll do a final check on the files I modified.
<channel|><|tool_call>call:run_command{command:<|"|>git status --short && git diff<|"|>}<tool_call|><|tool_response>
Generated tokens 203 tokens · stopped: STOP
The diff is clean and correct. No untracked files. Final verification of the fix: 1. `keyword` module is imported. 2. `safe_name` is calculated based on whether `structure.name` is a keyword. 3. `safe_name` is used in `gen_struct_class` to ensure the generated class name is valid Python. 4. `safe_name` is used to retrieve the generated class from the `env` dictionary. 5. Original `structure_name` is still used for the `compile()` filename for better debugging. 6. `structure.name` (the original name) is still passed to `Structure.__init__`, so the original identity of the structure is preserved. 7. The `__repr__` of the compiled class will now show the sanitized name. This is acceptable and avoids the `SyntaxError`. I'm confident.
The diff is clean and correct. No untracked files.
Final verification of the fix:
1. `keyword` module is imported.
2. `safe_name` is calculated based on whether `structure.name` is a keyword.
3. `safe_name` is used in `gen_struct_class` to ensure the generated class name is valid Python.
4. `safe_name` is used to retrieve the generated class from the `env` dictionary.
5. Original `structure_name` is still used for the `compile()` filename for better debugging.
6. `structure.name` (the original name) is still passed to `Structure.__init__`, so the original identity of the structure is preserved.
7. The `__repr__` of the compiled class will now show the sanitized name. This is acceptable and avoids the `SyntaxError`.
I'm confident.<channel|><|tool_call>call:submit_patch{}<tool_call|><|tool_response>
Patch, tests and logs
Final code change Included
diff --git a/dissect/cstruct/compiler.py b/dissect/cstruct/compiler.py
index 296d944..6be7a8f 100644
--- a/dissect/cstruct/compiler.py
+++ b/dissect/cstruct/compiler.py
@@ -1,5 +1,6 @@
from __future__ import annotations
+import keyword
import struct
from collections import OrderedDict
from textwrap import dedent
@@ -75,10 +76,13 @@ class {name}(Structure):
return structure
structure_name = structure.name
+ safe_name = structure_name
+ if keyword.iskeyword(safe_name):
+ safe_name = f"_{safe_name}"
try:
# Generate struct class based on provided structure type
- source = self.gen_struct_class(structure_name, structure)
+ source = self.gen_struct_class(safe_name, structure)
except TypeError:
return structure
@@ -104,7 +108,7 @@ class {name}(Structure):
}
exec(code_object, env)
- return env[structure_name](self.cstruct, structure, source)
+ return env[safe_name](self.cstruct, structure, source)
def gen_struct_class(self, name: str, structure: Structure) -> str:
blocks = []
Test output Included
============================= test session starts ============================== collected 218 items tests/test_align.py ......... [ 4%] tests/test_basic.py ....................................... [ 22%] tests/test_bitbuffer.py . [ 22%] tests/test_bitfield.py .................. [ 30%] tests/test_bytesinteger.py ............. [ 36%] tests/test_ctypes_type.py ..... [ 38%] tests/test_enum.py ............. [ 44%] tests/test_expression.py ............................................... [ 66%] ...................... [ 76%] tests/test_flag.py ....... [ 79%] tests/test_packedtype.py ...... [ 82%] tests/test_parser.py . [ 83%] tests/test_pointer.py ........ [ 86%] tests/test_struct.py ................. [ 94%] tests/test_union.py ..... [ 96%] tests/test_util.py ..... [ 99%] tests/test_utils.py .. [100%] ==================================== PASSES ==================================== ____________________ test_packedtype_float_struct_be[True] _____________________ ----------------------------- Captured stdout call ----------------------------- <test a=0.388916015625, b=42069.69140625> ____________________ test_packedtype_float_struct_be[False] ____________________ ----------------------------- Captured stdout call ----------------------------- <test a=0.388916015625, b=42069.69140625> - generated xml file: /tmp/rebench-grade-4dc81d246e424b30bd44a3a09adb84d5.xml -- =========================== short test summary info ============================ PASSED tests/test_align.py::test_align_struct PASSED tests/test_align.py::test_align_union PASSED tests/test_align.py::test_align_union_tail PASSED tests/test_align.py::test_align_array PASSED tests/test_align.py::test_align_struct_array PASSED tests/test_align.py::test_align_dynamic PASSED tests/test_align.py::test_align_nested_struct PASSED tests/test_align.py::test_align_bitfield PASSED tests/test_align.py::test_align_pointer PASSED tests/test_basic.py::test_simple_types PASSED tests/test_basic.py::test_write PASSED tests/test_basic.py::test_write_be PASSED tests/test_basic.py::test_duplicate_type[True] PASSED tests/test_basic.py::test_duplicate_type[False] PASSED tests/test_basic.py::test_load_file[True] PASSED tests/test_basic.py::test_load_file[False] PASSED tests/test_basic.py::test_read_type_name PASSED tests/test_basic.py::test_type_resolve PASSED tests/test_basic.py::test_constants PASSED tests/test_basic.py::test_duplicate_types PASSED tests/test_basic.py::test_typedef PASSED tests/test_basic.py::test_lookups[True] PASSED tests/test_basic.py::test_lookups[False] PASSED tests/test_basic.py::test_default_constructors[True] PASSED tests/test_basic.py::test_default_constructors[False] PASSED tests/test_basic.py::test_default_constructors_dynamic[True] PASSED tests/test_basic.py::test_default_constructors_dynamic[False] PASSED tests/test_basic.py::test_config_flag_nocompile[True] PASSED tests/test_basic.py::test_config_flag_nocompile[False] PASSED tests/test_basic.py::test_compiler_slicing_multiple[True] PASSED tests/test_basic.py::test_compiler_slicing_multiple[False] PASSED tests/test_basic.py::test_underscores_attribute[True] PASSED tests/test_basic.py::test_underscores_attribute[False] PASSED tests/test_basic.py::test_half_compiled_struct PASSED tests/test_basic.py::test_cstruct_bytearray PASSED tests/test_basic.py::test_multipart_type_name PASSED tests/test_basic.py::test_dunder_bytes PASSED tests/test_basic.py::test_array_of_null_terminated_strings[True] PASSED tests/test_basic.py::test_array_of_null_terminated_strings[False] PASSED tests/test_basic.py::test_array_of_size_limited_strings[True] PASSED tests/test_basic.py::test_array_of_size_limited_strings[False] PASSED tests/test_basic.py::test_array_three_dimensional[True] PASSED tests/test_basic.py::test_array_three_dimensional[False] PASSED tests/test_basic.py::test_nested_array_of_variable_size[True] PASSED tests/test_basic.py::test_nested_array_of_variable_size[False] PASSED tests/test_basic.py::test_report_array_size_mismatch PASSED tests/test_basic.py::test_reserved_keyword[True] PASSED tests/test_basic.py::test_reserved_keyword[False] PASSED tests/test_bitbuffer.py::test_bitbuffer_read PASSED tests/test_bitfield.py::test_bitfield[True] PASSED tests/test_bitfield.py::test_bitfield[False] PASSED tests/test_bitfield.py::test_bitfield_consecutive[True] PASSED tests/test_bitfield.py::test_bitfield_consecutive[False] PASSED tests/test_bitfield.py::test_struct_after_bitfield[True] PASSED tests/test_bitfield.py::test_struct_after_bitfield[False] PASSED tests/test_bitfield.py::test_bitfield_be[True] PASSED tests/test_bitfield.py::test_bitfield_be[False] PASSED tests/test_bitfield.py::test_bitfield_straddle[True] PASSED tests/test_bitfield.py::test_bitfield_straddle[False] PASSED tests/test_bitfield.py::test_bitfield_write[True] PASSED tests/test_bitfield.py::test_bitfield_write[False] PASSED tests/test_bitfield.py::test_bitfield_write_be[True] PASSED tests/test_bitfield.py::test_bitfield_write_be[False] PASSED tests/test_bitfield.py::test_bitfield_with_enum_or_flag[True] PASSED tests/test_bitfield.py::test_bitfield_with_enum_or_flag[False] PASSED tests/test_bitfield.py::test_bitfield_char[True] PASSED tests/test_bitfield.py::test_bitfield_char[False] PASSED tests/test_bytesinteger.py::test_bytesinteger_unsigned PASSED tests/test_bytesinteger.py::test_bytesinteger_signed PASSED tests/test_bytesinteger.py::test_bytesinteger_unsigned_be PASSED tests/test_bytesinteger.py::test_bytesinteger_signed_be PASSED tests/test_bytesinteger.py::test_bytesinteger_struct_signed[True] PASSED tests/test_bytesinteger.py::test_bytesinteger_struct_signed[False] PASSED tests/test_bytesinteger.py::test_bytesinteger_struct_unsigned[True] PASSED tests/test_bytesinteger.py::test_bytesinteger_struct_unsigned[False] PASSED tests/test_bytesinteger.py::test_bytesinteger_struct_signed_be[True] PASSED tests/test_bytesinteger.py::test_bytesinteger_struct_signed_be[False] PASSED tests/test_bytesinteger.py::test_bytesinteger_struct_unsigned_be[True] PASSED tests/test_bytesinteger.py::test_bytesinteger_struct_unsigned_be[False] PASSED tests/test_bytesinteger.py::test_bytesinteger_range PASSED tests/test_ctypes_type.py::test_ctypes_type[cstruct_type0-c_byte] PASSED tests/test_ctypes_type.py::test_ctypes_type[cstruct_type1-c_char] PASSED tests/test_ctypes_type.py::test_ctypes_type[cstruct_type2-c_byte_Array_3] PASSED tests/test_ctypes_type.py::test_ctypes_type[cstruct_type3-LP_c_byte] PASSED tests/test_ctypes_type.py::test_ctypes_type_exception PASSED tests/test_enum.py::test_enum[True] PASSED tests/test_enum.py::test_enum[False] PASSED tests/test_enum.py::test_enum_comments PASSED tests/test_enum.py::test_enum_name[True] PASSED tests/test_enum.py::test_enum_name[False] PASSED tests/test_enum.py::test_enum_write[True] PASSED tests/test_enum.py::test_enum_write[False] PASSED tests/test_enum.py::test_enum_anonymous[True] PASSED tests/test_enum.py::test_enum_anonymous[False] PASSED tests/test_enum.py::test_enum_anonymous_struct[True] PASSED tests/test_enum.py::test_enum_anonymous_struct[False] PASSED tests/test_enum.py::test_enum_reference_own_member[True] PASSED tests/test_enum.py::test_enum_reference_own_member[False] PASSED tests/test_expression.py::test_expression[1 * 0-0] PASSED tests/test_expression.py::test_expression[1 * 1-1] PASSED tests/test_expression.py::test_expression[7 * 8-56] PASSED tests/test_expression.py::test_expression[7*8-56] PASSED tests/test_expression.py::test_expression[7 *8-56] PASSED tests/test_expression.py::test_expression[ 7 * 8 -56] PASSED tests/test_expression.py::test_expression[0 / 1-0] PASSED tests/test_expression.py::test_expression[1 / 1-1] PASSED tests/test_expression.py::test_expression[2 / 2-1] PASSED tests/test_expression.py::test_expression[3 / 2-1] PASSED tests/test_expression.py::test_expression[4 / 2-2] PASSED tests/test_expression.py::test_expression[1 % 1-0] PASSED tests/test_expression.py::test_expression[1 % 2-1] PASSED tests/test_expression.py::test_expression[5 % 3-2] PASSED tests/test_expression.py::test_expression[0 + 0-0] PASSED tests/test_expression.py::test_expression[1 + 0-1] PASSED tests/test_expression.py::test_expression[1 + 3-4] PASSED tests/test_expression.py::test_expression[0 - 0-0] PASSED tests/test_expression.py::test_expression[1 - 0-1] PASSED tests/test_expression.py::test_expression[0 - 1--1] PASSED tests/test_expression.py::test_expression[1 - 3--2] PASSED tests/test_expression.py::test_expression[3 - 1-2] PASSED tests/test_expression.py::test_expression[0x0 >> 0-0] PASSED tests/test_expression.py::test_expression[0x1 >> 0-1] PASSED tests/test_expression.py::test_expression[0x1 >> 1-0] PASSED tests/test_expression.py::test_expression[0xf0 >> 4-15] PASSED tests/test_expression.py::test_expression[0x0 << 4-0] PASSED tests/test_expression.py::test_expression[0x1 << 0-1] PASSED tests/test_expression.py::test_expression[0xf << 4-240] PASSED tests/test_expression.py::test_expression[0 & 0-0] PASSED tests/test_expression.py::test_expression[1 & 0-0] PASSED tests/test_expression.py::test_expression[1 & 1-1] PASSED tests/test_expression.py::test_expression[1 & 2-0] PASSED tests/test_expression.py::test_expression[1 ^ 1-0] PASSED tests/test_expression.py::test_expression[1 ^ 0-1] PASSED tests/test_expression.py::test_expression[1 ^ 3-2] PASSED tests/test_expression.py::test_expression[0 | 0-0] PASSED tests/test_expression.py::test_expression[0 | 1-1] PASSED tests/test_expression.py::test_expression[1 | 1-1] PASSED tests/test_expression.py::test_expression[1 | 2-3] PASSED tests/test_expression.py::test_expression[1 | 2 | 4-7] PASSED tests/test_expression.py::test_expression[1 & 1 * 4-0] PASSED tests/test_expression.py::test_expression[(1 & 1) * 4-4] PASSED tests/test_expression.py::test_expression[4 * 1 + 1-5] PASSED tests/test_expression.py::test_expression[-42--42] PASSED tests/test_expression.py::test_expression[42 + (-42)-0] PASSED tests/test_expression.py::test_expression[A + 5-13] PASSED tests/test_expression.py::test_expression[21 - B-8] PASSED tests/test_expression.py::test_expression[A + B-21] PASSED tests/test_expression.py::test_expression[~1--2] PASSED tests/test_expression.py::test_expression[~(A + 5)--14] PASSED tests/test_expression.py::test_expression[10l-10] PASSED tests/test_expression.py::test_expression[10ll-10] PASSED tests/test_expression.py::test_expression[10ull-10] PASSED tests/test_expression.py::test_expression[010ULL-8] PASSED tests/test_expression.py::test_expression[0Xf0 >> 4-15] PASSED tests/test_expression.py::test_expression[0x1B-27] PASSED tests/test_expression.py::test_expression[0x1b-27] PASSED tests/test_expression.py::test_expression_failure[0b-ExpressionTokenizerError-Invalid binary or hex notation] PASSED tests/test_expression.py::test_expression_failure[0x-ExpressionTokenizerError-Invalid binary or hex notation] PASSED tests/test_expression.py::test_expression_failure[$-ExpressionTokenizerError-Tokenizer does not recognize following token '\\$'] PASSED tests/test_expression.py::test_expression_failure[--ExpressionParserError-Invalid expression: not enough operands] PASSED tests/test_expression.py::test_expression_failure[(-ExpressionParserError-Invalid expression] PASSED tests/test_expression.py::test_expression_failure[)-ExpressionParserError-Invalid expression] PASSED tests/test_expression.py::test_expression_failure[()-ExpressionParserError-Parser expected an expression, instead received empty parenthesis. Index: 1] PASSED tests/test_expression.py::test_expression_failure[0()-ExpressionParserError-Parser expected sizeof or an arethmethic operator instead got: '0'] PASSED tests/test_expression.py::test_expression_failure[sizeof)-ExpressionParserError-Invalid sizeof operation] PASSED tests/test_expression.py::test_expression_failure[sizeof(0 +)-ExpressionParserError-Invalid sizeof operation] PASSED tests/test_expression.py::test_sizeof PASSED tests/test_flag.py::test_flag PASSED tests/test_flag.py::test_flag_read[True] PASSED tests/test_flag.py::test_flag_read[False] PASSED tests/test_flag.py::test_flag_anonymous[True] PASSED tests/test_flag.py::test_flag_anonymous[False] PASSED tests/test_flag.py::test_flag_anonymous_struct[True] PASSED tests/test_flag.py::test_flag_anonymous_struct[False] PASSED tests/test_packedtype.py::test_packedtype_float PASSED tests/test_packedtype.py::test_packedtype_float_struct[True] PASSED tests/test_packedtype.py::test_packedtype_float_struct[False] PASSED tests/test_packedtype.py::test_packedtype_float_struct_be[True] PASSED tests/test_packedtype.py::test_packedtype_float_struct_be[False] PASSED tests/test_packedtype.py::test_packedtype_range PASSED tests/test_parser.py::test_preserve_comment_newlines PASSED tests/test_pointer.py::test_pointer_basic[True] PASSED tests/test_pointer.py::test_pointer_basic[False] PASSED tests/test_pointer.py::test_pointer_struct[True] PASSED tests/test_pointer.py::test_pointer_struct[False] PASSED tests/test_pointer.py::test_array_of_pointers[True] PASSED tests/test_pointer.py::test_array_of_pointers[False] PASSED tests/test_pointer.py::test_pointer_arithmetic PASSED tests/test_pointer.py::test_pointer_sys_size PASSED tests/test_struct.py::test_struct_simple[True] PASSED tests/test_struct.py::test_struct_simple[False] PASSED tests/test_struct.py::test_struct_simple_be[True] PASSED tests/test_struct.py::test_struct_simple_be[False] PASSED tests/test_struct.py::test_struct_definitions[True] PASSED tests/test_struct.py::test_struct_definitions[False] PASSED tests/test_struct.py::test_struct_expressions[True] PASSED tests/test_struct.py::test_struct_expressions[False] PASSED tests/test_struct.py::test_struct_sizes[True] PASSED tests/test_struct.py::test_struct_sizes[False] PASSED tests/test_struct.py::test_struct_nested[True] PASSED tests/test_struct.py::test_struct_nested[False] PASSED tests/test_struct.py::test_struct_write[True] PASSED tests/test_struct.py::test_struct_write[False] PASSED tests/test_struct.py::test_struct_write_be[True] PASSED tests/test_struct.py::test_struct_write_be[False] PASSED tests/test_struct.py::test_struct_write_anonymous PASSED tests/test_union.py::test_union PASSED tests/test_union.py::test_union_nested[True] PASSED tests/test_union.py::test_union_nested[False] PASSED tests/test_union.py::test_union_anonymous[True] PASSED tests/test_union.py::test_union_anonymous[False] PASSED tests/test_util.py::test_hexdump PASSED tests/test_util.py::test_dumpstruct[True] PASSED tests/test_util.py::test_dumpstruct[False] PASSED tests/test_util.py::test_dumpstruct_anonymous[True] PASSED tests/test_util.py::test_dumpstruct_anonymous[False] PASSED tests/test_utils.py::test_pack_unpack PASSED tests/test_utils.py::test_swap ============================= 218 passed in 0.55s ==============================
Test errors Included
Test report (JUnit) Included
<?xml version="1.0" encoding="utf-8"?><testsuites name="pytest tests"><testsuite name="pytest" errors="0" failures="0" skipped="0" tests="218" time="0.538" timestamp="2026-11-14T04:10:37.587643+00:00" hostname="e96db7002353"><testcase classname="tests.test_align" name="test_align_struct" time="0.002" /><testcase classname="tests.test_align" name="test_align_union" time="0.001" /><testcase classname="tests.test_align" name="test_align_union_tail" time="0.001" /><testcase classname="tests.test_align" name="test_align_array" time="0.001" /><testcase classname="tests.test_align" name="test_align_struct_array" time="0.001" /><testcase classname="tests.test_align" name="test_align_dynamic" time="0.001" /><testcase classname="tests.test_align" name="test_align_nested_struct" time="0.001" /><testcase classname="tests.test_align" name="test_align_bitfield" time="0.001" /><testcase classname="tests.test_align" name="test_align_pointer" time="0.001" /><testcase classname="tests.test_basic" name="test_simple_types" time="0.000" /><testcase classname="tests.test_basic" name="test_write" time="0.001" /><testcase classname="tests.test_basic" name="test_write_be" time="0.001" /><testcase classname="tests.test_basic" name="test_duplicate_type[True]" time="0.002" /><testcase classname="tests.test_basic" name="test_duplicate_type[False]" time="0.002" /><testcase classname="tests.test_basic" name="test_load_file[True]" time="0.001" /><testcase classname="tests.test_basic" name="test_load_file[False]" time="0.001" /><testcase classname="tests.test_basic" name="test_read_type_name" time="0.000" /><testcase classname="tests.test_basic" name="test_type_resolve" time="0.000" /><testcase classname="tests.test_basic" name="test_constants" time="0.001" /><testcase classname="tests.test_basic" name="test_duplicate_types" time="0.004" /><testcase classname="tests.test_basic" name="test_typedef" time="0.001" /><testcase classname="tests.test_basic" name="test_lookups[True]" time="0.001" /><testcase classname="tests.test_basic" name="test_lookups[False]" time="0.001" /><testcase classname="tests.test_basic" name="test_default_constructors[True]" time="0.002" /><testcase classname="tests.test_basic" name="test_default_constructors[False]" time="0.001" /><testcase classname="tests.test_basic" name="test_default_constructors_dynamic[True]" time="0.002" /><testcase classname="tests.test_basic" name="test_default_constructors_dynamic[False]" time="0.001" /><testcase classname="tests.test_basic" name="test_config_flag_nocompile[True]" time="0.001" /><testcase classname="tests.test_basic" name="test_config_flag_nocompile[False]" time="0.001" /><testcase classname="tests.test_basic" name="test_compiler_slicing_multiple[True]" time="0.001" /><testcase classname="tests.test_basic" name="test_compiler_slicing_multiple[False]" time="0.001" /><testcase classname="tests.test_basic" name="test_underscores_attribute[True]" time="0.001" /><testcase classname="tests.test_basic" name="test_underscores_attribute[False]" time="0.001" /><testcase classname="tests.test_basic" name="test_half_compiled_struct" time="0.001" /><testcase classname="tests.test_basic" name="test_cstruct_bytearray" time="0.001" /><testcase classname="tests.test_basic" name="test_multipart_type_name" time="0.003" /><testcase classname="tests.test_basic" name="test_dunder_bytes" time="0.001" /><testcase classname="tests.test_basic" name="test_array_of_null_terminated_strings[True]" time="0.002" /><testcase classname="tests.test_basic" name="test_array_of_null_terminated_strings[False]" time="0.002" /><testcase classname="tests.test_basic" name="test_array_of_size_limited_strings[True]" time="0.001" /><testcase classname="tests.test_basic" name="test_array_of_size_limited_strings[False]" time="0.001" /><testcase classname="tests.test_basic" name="test_array_three_dimensional[True]" time="0.001" /><testcase classname="tests.test_basic" name="test_array_three_dimensional[False]" time="0.001" /><testcase classname="tests.test_basic" name="test_nested_array_of_variable_size[True]" time="0.001" /><testcase classname="tests.test_basic" name="test_nested_array_of_variable_size[False]" time="0.001" /><testcase classname="tests.test_basic" name="test_report_array_size_mismatch" time="0.001" /><testcase classname="tests.test_basic" name="test_reserved_keyword[True]" time="0.001" /><testcase classname="tests.test_basic" name="test_reserved_keyword[False]" time="0.001" /><testcase classname="tests.test_bitbuffer" name="test_bitbuffer_read" time="0.000" /><testcase classname="tests.test_bitfield" name="test_bitfield[True]" time="0.002" /><testcase classname="tests.test_bitfield" name="test_bitfield[False]" time="0.001" /><testcase classname="tests.test_bitfield" name="test_bitfield_consecutive[True]" time="0.001" /><testcase classname="tests.test_bitfield" name="test_bitfield_consecutive[False]" time="0.001" /><testcase classname="tests.test_bitfield" name="test_struct_after_bitfield[True]" time="0.002" /><testcase classname="tests.test_bitfield" name="test_struct_after_bitfield[False]" time="0.001" /><testcase classname="tests.test_bitfield" name="test_bitfield_be[True]" time="0.001" /><testcase classname="tests.test_bitfield" name="test_bitfield_be[False]" time="0.001" /><testcase classname="tests.test_bitfield" name="test_bitfield_straddle[True]" time="0.001" /><testcase classname="tests.test_bitfield" name="test_bitfield_straddle[False]" time="0.001" /><testcase classname="tests.test_bitfield" name="test_bitfield_write[True]" time="0.001" /><testcase classname="tests.test_bitfield" name="test_bitfield_write[False]" time="0.001" /><testcase classname="tests.test_bitfield" name="test_bitfield_write_be[True]" time="0.001" /><testcase classname="tests.test_bitfield" name="test_bitfield_write_be[False]" time="0.001" /><testcase classname="tests.test_bitfield" name="test_bitfield_with_enum_or_flag[True]" time="0.002" /><testcase classname="tests.test_bitfield" name="test_bitfield_with_enum_or_flag[False]" time="0.001" /><testcase classname="tests.test_bitfield" name="test_bitfield_char[True]" time="0.001" /><testcase classname="tests.test_bitfield" name="test_bitfield_char[False]" time="0.001" /><testcase classname="tests.test_bytesinteger" name="test_bytesinteger_unsigned" time="0.000" /><testcase classname="tests.test_bytesinteger" name="test_bytesinteger_signed" time="0.000" /><testcase classname="tests.test_bytesinteger" name="test_bytesinteger_unsigned_be" time="0.000" /><testcase classname="tests.test_bytesinteger" name="test_bytesinteger_signed_be" time="0.000" /><testcase classname="tests.test_bytesinteger" name="test_bytesinteger_struct_signed[True]" time="0.002" /><testcase classname="tests.test_bytesinteger" name="test_bytesinteger_struct_signed[False]" time="0.001" /><testcase classname="tests.test_bytesinteger" name="test_bytesinteger_struct_unsigned[True]" time="0.001" /><testcase classname="tests.test_bytesinteger" name="test_bytesinteger_struct_unsigned[False]" time="0.001" /><testcase classname="tests.test_bytesinteger" name="test_bytesinteger_struct_signed_be[True]" time="0.001" /><testcase classname="tests.test_bytesinteger" name="test_bytesinteger_struct_signed_be[False]" time="0.001" /><testcase classname="tests.test_bytesinteger" name="test_bytesinteger_struct_unsigned_be[True]" time="0.001" /><testcase classname="tests.test_bytesinteger" name="test_bytesinteger_struct_unsigned_be[False]" time="0.001" /><testcase classname="tests.test_bytesinteger" name="test_bytesinteger_range" time="0.000" /><testcase classname="tests.test_ctypes_type" name="test_ctypes_type[cstruct_type0-c_byte]" time="0.000" /><testcase classname="tests.test_ctypes_type" name="test_ctypes_type[cstruct_type1-c_char]" time="0.000" /><testcase classname="tests.test_ctypes_type" name="test_ctypes_type[cstruct_type2-c_byte_Array_3]" time="0.000" /><testcase classname="tests.test_ctypes_type" name="test_ctypes_type[cstruct_type3-LP_c_byte]" time="0.000" /><testcase classname="tests.test_ctypes_type" name="test_ctypes_type_exception" time="0.000" /><testcase classname="tests.test_enum" name="test_enum[True]" time="0.002" /><testcase classname="tests.test_enum" name="test_enum[False]" time="0.001" /><testcase classname="tests.test_enum" name="test_enum_comments" time="0.001" /><testcase classname="tests.test_enum" name="test_enum_name[True]" time="0.001" /><testcase classname="tests.test_enum" name="test_enum_name[False]" time="0.001" /><testcase classname="tests.test_enum" name="test_enum_write[True]" time="0.001" /><testcase classname="tests.test_enum" name="test_enum_write[False]" time="0.001" /><testcase classname="tests.test_enum" name="test_enum_anonymous[True]" time="0.001" /><testcase classname="tests.test_enum" name="test_enum_anonymous[False]" time="0.001" /><testcase classname="tests.test_enum" name="test_enum_anonymous_struct[True]" time="0.001" /><testcase classname="tests.test_enum" name="test_enum_anonymous_struct[False]" time="0.001" /><testcase classname="tests.test_enum" name="test_enum_reference_own_member[True]" time="0.001" /><testcase classname="tests.test_enum" name="test_enum_reference_own_member[False]" time="0.001" /><testcase classname="tests.test_expression" name="test_expression[1 * 0-0]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[1 * 1-1]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[7 * 8-56]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[7*8-56]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[7 *8-56]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[ 7 * 8 -56]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[0 / 1-0]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[1 / 1-1]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[2 / 2-1]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[3 / 2-1]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[4 / 2-2]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[1 % 1-0]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[1 % 2-1]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[5 % 3-2]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[0 + 0-0]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[1 + 0-1]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[1 + 3-4]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[0 - 0-0]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[1 - 0-1]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[0 - 1--1]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[1 - 3--2]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[3 - 1-2]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[0x0 >> 0-0]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[0x1 >> 0-1]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[0x1 >> 1-0]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[0xf0 >> 4-15]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[0x0 << 4-0]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[0x1 << 0-1]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[0xf << 4-240]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[0 & 0-0]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[1 & 0-0]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[1 & 1-1]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[1 & 2-0]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[1 ^ 1-0]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[1 ^ 0-1]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[1 ^ 3-2]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[0 | 0-0]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[0 | 1-1]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[1 | 1-1]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[1 | 2-3]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[1 | 2 | 4-7]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[1 & 1 * 4-0]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[(1 & 1) * 4-4]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[4 * 1 + 1-5]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[-42--42]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[42 + (-42)-0]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[A + 5-13]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[21 - B-8]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[A + B-21]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[~1--2]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[~(A + 5)--14]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[10l-10]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[10ll-10]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[10ull-10]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[010ULL-8]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[0Xf0 >> 4-15]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[0x1B-27]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression[0x1b-27]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression_failure[0b-ExpressionTokenizerError-Invalid binary or hex notation]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression_failure[0x-ExpressionTokenizerError-Invalid binary or hex notation]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression_failure[$-ExpressionTokenizerError-Tokenizer does not recognize following token '\\$']" time="0.000" /><testcase classname="tests.test_expression" name="test_expression_failure[--ExpressionParserError-Invalid expression: not enough operands]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression_failure[(-ExpressionParserError-Invalid expression]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression_failure[)-ExpressionParserError-Invalid expression]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression_failure[()-ExpressionParserError-Parser expected an expression, instead received empty parenthesis. Index: 1]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression_failure[0()-ExpressionParserError-Parser expected sizeof or an arethmethic operator instead got: '0']" time="0.000" /><testcase classname="tests.test_expression" name="test_expression_failure[sizeof)-ExpressionParserError-Invalid sizeof operation]" time="0.000" /><testcase classname="tests.test_expression" name="test_expression_failure[sizeof(0 +)-ExpressionParserError-Invalid sizeof operation]" time="0.000" /><testcase classname="tests.test_expression" name="test_sizeof" time="0.001" /><testcase classname="tests.test_flag" name="test_flag" time="0.001" /><testcase classname="tests.test_flag" name="test_flag_read[True]" time="0.002" /><testcase classname="tests.test_flag" name="test_flag_read[False]" time="0.001" /><testcase classname="tests.test_flag" name="test_flag_anonymous[True]" time="0.001" /><testcase classname="tests.test_flag" name="test_flag_anonymous[False]" time="0.001" /><testcase classname="tests.test_flag" name="test_flag_anonymous_struct[True]" time="0.001" /><testcase classname="tests.test_flag" name="test_flag_anonymous_struct[False]" time="0.001" /><testcase classname="tests.test_packedtype" name="test_packedtype_float" time="0.000" /><testcase classname="tests.test_packedtype" name="test_packedtype_float_struct[True]" time="0.001" /><testcase classname="tests.test_packedtype" name="test_packedtype_float_struct[False]" time="0.001" /><testcase classname="tests.test_packedtype" name="test_packedtype_float_struct_be[True]" time="0.001" /><testcase classname="tests.test_packedtype" name="test_packedtype_float_struct_be[False]" time="0.001" /><testcase classname="tests.test_packedtype" name="test_packedtype_range" time="0.000" /><testcase classname="tests.test_parser" name="test_preserve_comment_newlines" time="0.000" /><testcase classname="tests.test_pointer" name="test_pointer_basic[True]" time="0.001" /><testcase classname="tests.test_pointer" name="test_pointer_basic[False]" time="0.001" /><testcase classname="tests.test_pointer" name="test_pointer_struct[True]" time="0.002" /><testcase classname="tests.test_pointer" name="test_pointer_struct[False]" time="0.001" /><testcase classname="tests.test_pointer" name="test_array_of_pointers[True]" time="0.001" /><testcase classname="tests.test_pointer" name="test_array_of_pointers[False]" time="0.001" /><testcase classname="tests.test_pointer" name="test_pointer_arithmetic" time="0.000" /><testcase classname="tests.test_pointer" name="test_pointer_sys_size" time="0.000" /><testcase classname="tests.test_struct" name="test_struct_simple[True]" time="0.002" /><testcase classname="tests.test_struct" name="test_struct_simple[False]" time="0.001" /><testcase classname="tests.test_struct" name="test_struct_simple_be[True]" time="0.001" /><testcase classname="tests.test_struct" name="test_struct_simple_be[False]" time="0.001" /><testcase classname="tests.test_struct" name="test_struct_definitions[True]" time="0.002" /><testcase classname="tests.test_struct" name="test_struct_definitions[False]" time="0.002" /><testcase classname="tests.test_struct" name="test_struct_expressions[True]" time="0.002" /><testcase classname="tests.test_struct" name="test_struct_expressions[False]" time="0.001" /><testcase classname="tests.test_struct" name="test_struct_sizes[True]" time="0.001" /><testcase classname="tests.test_struct" name="test_struct_sizes[False]" time="0.001" /><testcase classname="tests.test_struct" name="test_struct_nested[True]" time="0.002" /><testcase classname="tests.test_struct" name="test_struct_nested[False]" time="0.001" /><testcase classname="tests.test_struct" name="test_struct_write[True]" time="0.002" /><testcase classname="tests.test_struct" name="test_struct_write[False]" time="0.001" /><testcase classname="tests.test_struct" name="test_struct_write_be[True]" time="0.001" /><testcase classname="tests.test_struct" name="test_struct_write_be[False]" time="0.001" /><testcase classname="tests.test_struct" name="test_struct_write_anonymous" time="0.001" /><testcase classname="tests.test_union" name="test_union" time="0.001" /><testcase classname="tests.test_union" name="test_union_nested[True]" time="0.002" /><testcase classname="tests.test_union" name="test_union_nested[False]" time="0.001" /><testcase classname="tests.test_union" name="test_union_anonymous[True]" time="0.001" /><testcase classname="tests.test_union" name="test_union_anonymous[False]" time="0.001" /><testcase classname="tests.test_util" name="test_hexdump" time="0.000" /><testcase classname="tests.test_util" name="test_dumpstruct[True]" time="0.001" /><testcase classname="tests.test_util" name="test_dumpstruct[False]" time="0.001" /><testcase classname="tests.test_util" name="test_dumpstruct_anonymous[True]" time="0.001" /><testcase classname="tests.test_util" name="test_dumpstruct_anonymous[False]" time="0.001" /><testcase classname="tests.test_utils" name="test_pack_unpack" time="0.000" /><testcase classname="tests.test_utils" name="test_swap" time="0.000" /></testsuite></testsuites>
Agent log Included
[ 0.0s] 📋 System Prompt: You are a principal Python software engineer resolving a repository issue in `/workspace`.
[ 0.0s] 🎯 Task Prompt: You are evaluating a software engineering task for repository fox-it/dissect.cstruct.
[ 16.7s] 💭 (747 chars) "The user is reporting a `SyntaxError` when a parsed structure contains keywords of Python
(e.g., `in`).
The error happen..."
[ 16.7s] 🔧 run_command grep -rn --include="*.py" -e "def compile" dissect/cstruct/compiler.py
[ 16.7s] → 73: def compile(self, structure: Structure) -> Structure:
[ 21.1s] 💭 (66 chars) "Okay, let's read `dissect/cstruct/compiler.py` around line 73-100."
[ 21.1s] 📖 read_file (dissect/cstruct/compiler.py`,start_line:70)
[ 21.2s] ❌ {'status': 'error', 'error_type': 'FileReadError', 'error_message': '404 Client Error for
http+docker://localhost/v1.52/…
[ 39.6s] 💭 (913 chars) "Ah, I see what happened. The `read_file` tool is failing or I might have made a mistake in
the filepath. Wait, the filep..."
[ 39.6s] 📖 read_file (dissect/cstruct/compiler.py)
[ 39.6s] ✓ {'status': 'ok', 'filepath': 'dissect/cstruct/compiler.py', 'content': 'from __future__ import
annotations\n\nimport str…
[ 68.1s] 💭 (1757 chars) "The `COMPILE_TEMPLATE` is:
```python
COMPILE_TEMPLATE = """
class {name}(Structure):
def __init__(self, cstruct,..."
[ 68.1s] 📖 read_file (dissect/cstruct/compiler.py`,start_line:151)
[ 68.1s] ❌ {'status': 'error', 'error_type': 'FileReadError', 'error_message': '404 Client Error for
http+docker://localhost/v1.52/…
[ 83.2s] 💭 (646 chars) "Again, the `read_file` tool is behaving oddly when `start_line` is provided. It seems to be
appending `,start_line:151` ..."
[ 83.2s] 🔧 run_command cat dissect/cstruct/compiler.py
[ 83.3s] → from __future__ import annotations
[ 93.6s] 💭 (459 chars) "Wait, `run_command` also truncated the output! The stdout truncation rule says: "run_command
truncates stdout after the ..."
[ 93.6s] 🔧 run_command sed -n '140,408p' dissect/cstruct/compiler.py
[ 93.7s] → """
[ 159.1s] 💭 (2995 chars) "The code uses `{name}` in `COMPILE_TEMPLATE` and
`classes.append(self.COMPILE_TEMPLATE.format(name=name, read_code=read_..."
[ 159.1s] 🔧 run_command (21 lines) python3 - <<'PY'
[ 159.2s] → error (exit 0):
[ 165.0s] 💭 (104 chars) "Ah, `CStruct` might not be the name of the class in `dissect/cstruct/cstruct.py`. Let's
check that file."
[ 165.0s] 🔧 run_command grep "class " dissect/cstruct/cstruct.py
[ 165.1s] → class cstruct:
[ 173.9s] 💭 (107 chars) "It's `class cstruct:`. Pythonic naming for a class is Uppercase, but here it's lowercase.
Let's try again."
[ 173.9s] 🔧 run_command (21 lines) python3 - <<'PY'
[ 174.0s] → error (exit 0):
[ 180.8s] 💭 (273 chars) "It seems `CharType` also needs `cstruct`.
Let's check `dissect/cstruct/types.py` to see how to instantiate types.
Wait..."
[ 180.8s] 🔧 run_command grep -n "class CharType" dissect/cstruct/types.py
[ 180.9s] → error (exit 0):
[ 190.2s] 💭 (270 chars) "Wait, where are the types?
The workspace layout said `./dissect/cstruct/types` (a directory).
Ah, it's a package! `disse..."
[ 190.2s] 🔧 run_command ls dissect/cstruct/types/
[ 190.3s] → __init__.py
[ 196.8s] 💭 (73 chars) "Okay, so they are in separate files.
Let's try to import them correctly."
[ 196.8s] 🔧 run_command (21 lines) python3 - <<'PY'
[ 196.8s] → error (exit 0):
[ 204.0s] 💭 (206 chars) "It seems `Structure`'s `__init__` expects `fields` to be iterable, but I didn't provide it
correctly? No, I provided `[F..."
[ 204.0s] 🔧 run_command cat dissect/cstruct/types/structure.py
[ 204.0s] → from __future__ import annotations
[ 217.2s] 💭 (390 chars) "The `Structure.__init__` signature is:
```python
def __init__(
self, cstruct: cstruct, name: str, fields: Li..."
[ 217.2s] 🔧 run_command (21 lines) python3 - <<'PY'
[ 217.3s] → Failed: invalid syntax (<compiled in>, line 2)
[ 254.3s] 💭 (2440 chars) "Perfect! Reproduced.
Now I need to implement the fix in `dissect/cstruct/compiler.py`.
I will import `keyword` and sani..."
[ 254.3s] ✏️ edit_file (dissect/cstruct/compiler.py)
[ 254.4s] ✓ {'status': 'ok', 'filepath': 'dissect/cstruct/compiler.py', 'occurrences': 1, 'strategy': 'exact',
'diff': '--- a/dissec…
[ 274.0s] 💭 (32 chars) "Now update the `compile` method."
[ 274.0s] ✏️ edit_file (dissect/cstruct/compiler.py)
[ 274.1s] ✓ {'status': 'ok', 'filepath': 'dissect/cstruct/compiler.py', 'occurrences': 1, 'strategy': 'unescaped',
'diff': '--- a/di…
[ 327.5s] 💭 (98 chars) "Now let's verify the fix with the reproduction script and check if it also works for
non-keywords."
[ 327.5s] 🔧 run_command (43 lines) python3 - <<'PY'
[ 327.6s] → Testing keyword name 'in'...
[ 333.3s] 💭 (190 chars) "The fix works as expected. Now I'll check if there are any other tests I should run.
The `tests/` directory likely has t..."
[ 333.3s] 🔧 run_command grep -rn "compiler" tests/ | head -n 20
[ 333.4s] → tests/test_basic.py:269:def test_compiler_slicing_multiple(compiled):
[ 337.5s] 💭 (69 chars) "Let's run `tests/test_basic.py` to make sure I didn't break anything."
[ 337.5s] 🔧 run_command pytest tests/test_basic.py -q --tb=short --no-header
[ 338.0s] → ..................................... [100%]
[ 343.2s] 💭 (69 chars) "Everything looks good. I'll do a final check on the files I modified."
[ 343.2s] 🔧 run_command git status --short && git diff
[ 343.3s] → M dissect/cstruct/compiler.py
[ 359.6s] 💭 (741 chars) "The diff is clean and correct. No untracked files.
Final verification of the fix:
1. `keyword` module is imported.
2. `..."
[ 359.6s] 🤖 submit_patch
[ 359.6s] → submit_patch: {"status": "ok", "patch_size": 1158, "files_changed": 1}
[ 367.1s] ✅ Agent finished: The `dissect.cstruct.compiler.Compiler.compile` method previously used the structure's
name directly as the class name in the generated Python code. If the structure's name was a Python keyword (e.g.,...
Native result row
{
"agent_error": null,
"duration_seconds": 371.14,
"error": null,
"grade": {
"collected_tests": 218,
"competition_junit_ok": true,
"error": null,
"required_issues_count": 0,
"resolved": true,
"status_counts": {
"PASSED": 218
},
"strict_clean_patch": true,
"test_exit_code": 0
},
"instance_id": "fox-it__dissect.cstruct-66",
"pass_idx": 0,
"patch_chars": 1158,
"phase1_seconds": 369.68,
"repo": "fox-it/dissect.cstruct",
"request_log_path": "/kaggle-root/working/r31/rollouts_X/requests/fox-it__dissect.cstruct-66__p0__r6.jsonl",
"resolved": true,
"rollout_idx": 6,
"run_key": "fox-it__dissect.cstruct-66__p0__r6",
"strict_clean_patch": true,
"tool_calls": 20,
"total_llm_calls": 22,
"trace_path": "/kaggle-root/working/r31/rollouts_X/traces/trace_fox-it__dissect.cstruct-66__p0__r6.json"
}