diff options
| author | Yong He <yonghe@outlook.com> | 2025-06-04 13:05:58 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-06-04 13:05:58 -0700 |
| commit | 812e478989e27983b8dea7ab11964de751654ba2 (patch) | |
| tree | e6db6def9c7896ee48c5fe42926856644e81c0e6 /source/slang/slang.cpp | |
| parent | b9dc21d362f65f22bc707bede733a9537b80460a (diff) | |
Make interface types non c-style in Slang2026. (#7260)
* Make interface types non c-style.
* Make Optional<T> work with autodiff and existential types.
* Fix.
* patch behind slang 2026.
* Fix warnings.
* cleanup.
* Fix tests.
* Fix.
* Fix com interface lowering.
* Add comment to test.
* regenerate command line reference
* Add test for passing `none` to autodiff function.
* Fix recording of `getDynamicObjectRTTIBytes`.
* Fix nested Optional types.
---------
Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
Diffstat (limited to 'source/slang/slang.cpp')
| -rw-r--r-- | source/slang/slang.cpp | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/source/slang/slang.cpp b/source/slang/slang.cpp index 9aa8c56a7..065b9de93 100644 --- a/source/slang/slang.cpp +++ b/source/slang/slang.cpp @@ -2029,6 +2029,31 @@ SLANG_NO_THROW SlangResult SLANG_MCALL Linkage::getTypeConformanceWitnessSequent return SLANG_OK; } +SLANG_NO_THROW SlangResult SLANG_MCALL Linkage::getDynamicObjectRTTIBytes( + slang::TypeReflection* type, + slang::TypeReflection* interfaceType, + uint32_t* outBuffer, + uint32_t bufferSize) +{ + // Slang RTTI header format: + // byte 0-7: pointer to RTTI struct describing the type. (not used for now, set to 1 for valid + // types, and 0 to represent null). + // byte 8-11: 32-bit sequential ID of the type conformance witness. + // byte 12-15: unused. + + if (bufferSize < 16) + return SLANG_E_BUFFER_TOO_SMALL; + + SLANG_AST_BUILDER_RAII(getASTBuilder()); + + SLANG_RETURN_ON_FAIL(getTypeConformanceWitnessSequentialID(type, interfaceType, outBuffer + 2)); + + // Make the RTTI part non zero. + outBuffer[0] = 1; + + return SLANG_OK; +} + SLANG_NO_THROW SlangResult SLANG_MCALL Linkage::createTypeConformanceComponentType( slang::TypeReflection* type, slang::TypeReflection* interfaceType, |