[Rgen] Add support for Error enumerators.

[mandel-macaque]

Add support to create bindings for error codes that will contain have an extension class that allows to retrieve the error domain of the error code.

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[vs-mobiletools-engineering-service2]

✅ [PR Build #e1bd82f] Build passed (Build packages) ✅

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[vs-mobiletools-engineering-service2]

✅ [PR Build #e1bd82f] Build passed (Detect API changes) ✅

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Hash: e1bd82fc7673400a89b092751b3011162f3773e7 [PR build]

[vs-mobiletools-engineering-service2]

✅ [PR Build #e1bd82f] Build passed (Build macOS tests) ✅

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[vs-mobiletools-engineering-service2]

💻 [PR Build #c3f1346] Tests on macOS X64 - Mac Sonoma (14) passed 💻

✅ All tests on macOS X64 - Mac Sonoma (14) passed.

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Hash: c3f13468e7513732c9583030e8f27aa3bdb56788 [PR build]

[vs-mobiletools-engineering-service2]

💻 [PR Build #e1bd82f] Tests on macOS M1 - Mac Monterey (12) passed 💻

✅ All tests on macOS M1 - Mac Monterey (12) passed.

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Hash: e1bd82fc7673400a89b092751b3011162f3773e7 [PR build]

[vs-mobiletools-engineering-service2]

💻 [PR Build #e1bd82f] Tests on macOS M1 - Mac Ventura (13) passed 💻

✅ All tests on macOS M1 - Mac Ventura (13) passed.

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[vs-mobiletools-engineering-service2]

💻 [PR Build #e1bd82f] Tests on macOS arm64 - Mac Sequoia (15) passed 💻

✅ All tests on macOS arm64 - Mac Sequoia (15) passed.

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Hash: e1bd82fc7673400a89b092751b3011162f3773e7 [PR build]

[vs-mobiletools-engineering-service2]

💻 [CI Build #c3f1346] Windows Integration Tests passed 💻

✅ All Windows Integration Tests passed.

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Hash: c3f13468e7513732c9583030e8f27aa3bdb56788 [PR build]

[vs-mobiletools-engineering-service2]

✅ API diff for current PR / commit

.NET ( No breaking changes )

• iOS: vsdrops gist ( No breaking changes )
• tvOS: vsdrops gist ( No breaking changes )
• MacCatalyst: vsdrops gist ( No breaking changes )
• macOS: vsdrops gist ( No breaking changes )

❗ API diff vs stable (Breaking changes)

.NET ( ❗ Breaking changes ❗ )

• iOS: vsdrops gist ( ❗ Breaking changes ❗ )
• tvOS: vsdrops gist ( ❗ Breaking changes ❗ )
• MacCatalyst: vsdrops gist ( ❗ Breaking changes ❗ )
• macOS: vsdrops gist ( ❗ Breaking changes ❗ )

ℹ️ Generator diff

Generator Diff: vsdrops (html) vsdrops (raw diff) gist (raw diff) - Please review changes)

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Hash: e1bd82fc7673400a89b092751b3011162f3773e7 [PR build]

[vs-mobiletools-engineering-service2]

🚀 [CI Build #e1bd82f] Test results 🚀

Test results

✅ All tests passed on VSTS: test results.

🎉 All 119 tests passed 🎉

Tests counts

✅ cecil: All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests (iOS): All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests (MacCatalyst): All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests (macOS): All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests (Multiple platforms): All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests (tvOS): All 1 tests passed. Html Report (VSDrops) Download
✅ framework: All 2 tests passed. Html Report (VSDrops) Download
✅ fsharp: All 4 tests passed. Html Report (VSDrops) Download
✅ generator: All 5 tests passed. Html Report (VSDrops) Download
✅ interdependent-binding-projects: All 4 tests passed. Html Report (VSDrops) Download
✅ introspection: All 4 tests passed. Html Report (VSDrops) Download
✅ linker: All 44 tests passed. Html Report (VSDrops) Download
✅ monotouch (iOS): All 8 tests passed. Html Report (VSDrops) Download
✅ monotouch (MacCatalyst): All 15 tests passed. Html Report (VSDrops) Download
✅ monotouch (macOS): All 12 tests passed. Html Report (VSDrops) Download
✅ monotouch (tvOS): All 8 tests passed. Html Report (VSDrops) Download
✅ msbuild: All 2 tests passed. Html Report (VSDrops) Download
✅ xcframework: All 4 tests passed. Html Report (VSDrops) Download
✅ xtro: All 1 tests passed. Html Report (VSDrops) Download

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Hash: e1bd82fc7673400a89b092751b3011162f3773e7 [PR build]

[rolfbjarne]

Could we get a better error message? We know what went wrong. If this just shouldn't happen because otherwise something else went wrong, it's still useful to have something to search our code for ("An unexpected error occurred while processing '{0}': <something unique to this particular code site").