feat(parser): try_item / encoded_catch_handler parsing (1)#5
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Adds DEX try_item and encoded_catch_handler decoding to the existing
DexParser, exposed as new TryItem and CatchHandler dataclasses. No
existing parser behaviour changes.
Includes:
- src/dextrace/core/dex_parser.py: TryItem, CatchHandler, parse_try_items
- tests/test_dex_catch.py: parser-level coverage against the try_catch fixture
- tools/gen_try_catch_fixture.py: generator for the .dex fixture
- tests/conftest.py: pytest_configure auto-runs every tools/gen_*_fixture.py
at session start so .dex files don't need to be committed
- .gitignore: tests/fixtures/samples/*.dex
Verification (one-liner):
pytest tests/test_dex_catch.py -q
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This was referenced May 21, 2026
haeter525
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Summary
Adds DEX
try_itemandencoded_catch_handlerdecoding to the existingDexParser, exposed as newTryItemandCatchHandlerdataclasses. Purely additive — no existing parser behaviour changes, no consumers in this PR.Scope
src/dextrace/core/dex_parser.pyTryItem,CatchHandler, try-item parsing (~180 LoC, additive)tests/test_dex_catch.pytools/gen_try_catch_fixture.py.dexfixturetests/conftest.pypytest_configureauto-runs everytools/gen_*_fixture.pyat session start.gitignoretests/fixtures/samples/*.dex(they are deterministic outputs of the generators)One-line verification