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Colby MchenryandClaude Opus 5.5
c58f0417c6
The Windows kernels read the `!` of every `try!` as a logical not, so `try! Message2(data: d)` became a call of `! Message2` that never resolves, and a call through a receiver lost it: `try! Settings.Defaults.load()` was a bare `load`. The cause is the grammar's C, not the walker. tree-sitter-swift 0.7.3's external scanner steps aside for the `!` of `try!` through a 64-bit mask whose entry is built as `1UL << FAKE_TRY_BANG`, bit 32. `unsigned long` is 32 bits on Windows and MSVC folds the overflowing shift to 0 (warning C4293), so the scanner never stepped aside: `try` parsed alone, then a prefix `!` on the callee. macOS and Linux have 64-bit longs, and clang's wasm32 build folds the shift to bit 31 (`_directive_endif`, valid at every expression start), so the wasm and the other kernels have always read `try!` right. The kernel now compiles the crate tarball's src/ itself, from codegraph-kernel/grammars/swift, with upstream 0.7.4's one-line fix (`1ULL`), as it already does for the Kotlin, Lua, Scala and Dart grammars. The patch and its provenance are in docs/grammars/tree-sitter-swift.patch and .md. parser.c is unchanged, so the node-kind and field tables still match the wasm, which is untouched. TortureTry.swift pins calls after try!, try? and try on both engines. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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MIT License
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Copyright (c) 2021 alex-pinkus
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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