CppInterOp based cppyy migration - #21261

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aaronj0 wants to merge 99 commits into

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aaronj0:cppyy-interop-migration

Commits on Aug 19, 2026

[cling] Never resolve JIT symbols against legacy MSVC runtimes

guitargeek
authored and
aaronj0
committed
bed51b7
[cppinterop] Add Cling-specific RAII, lookup and dispatch patches [upstream]
aaronj0
committed
d4fd298
[cppinterop] Fix JitCall codegen for deleted copy ctor in args [upstream]
aaronj0
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f410207
[cppinterop] Use canonical return type in wrapper codegen [upstream]
aaronj0
committed
0eeeee3
[cppinterop] Null-guard GetClassTemplateInstantiationArgs [upstream]
aaronj0
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c4b89e2
[cppinterop] Use `::new` in wrappers that placement-new into a caller buffer [upstream]

guitargeek
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aaronj0
committed
016a55b
[cppinterop] Keep template arguments qualified in GetCompleteName [upstream]

guitargeek
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aaronj0
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cc3b006
[cppinterop] Cycle through ambiguous lookups in ExistsFunctionTemplate [upstream]

guitargeek
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aaronj0
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00059f8
[cppinterop] Compile call wrappers without access control [upstream]

guitargeek
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aaronj0
committed
23ec35c
[cppinterop] Do not expose inherited special-member constructors [upstream]

guitargeek
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aaronj0
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a720294
[cppinterop] Use the defining declaration's type for unbounded arrays [upstream]

guitargeek
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aaronj0
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53d8262
[cppinterop] Reject ill-formed instantiations in BestOverloadFunctionMatch [upstream]

guitargeek
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aaronj0
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bfa576b
[cppinterop] Make IsAbstract safe for classes without a definition [upstream]

guitargeek
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aaronj0
committed
95850c3
[cppinterop] Open a transaction before lookups that may deserialize [upstream]

guitargeek
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aaronj0
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489637d
[cppinterop] Search base classes in GetNamed for class scopes [upstream]

guitargeek
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aaronj0
committed
3e638d5
[cppinterop] Print type and scope names platform-independently [upstream]

guitargeek
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aaronj0
committed
c71e43b
[cppinterop] Guard GetSizeOfType against a null type [upstream]

guitargeek
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aaronj0
committed
bc5107d
[cppinterop] Skip linkage specs when walking up parent scopes [upstream]

guitargeek
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aaronj0
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7f7ce83
[cppinterop] Use IsCopyConstructorDeleted for by-value args in calls [upstream]

guitargeek
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aaronj0
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867f7ae
[cppinterop] Resolve globals whose symbol exists in no loaded binary [upstream]

guitargeek
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aaronj0
committed
d039e2c
[cppinterop] Return enum constant values as their int64_t bit pattern [upstream]
aaronj0
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4ccb37c
[cppinterop] Keep only public using-shadows in class enumeration [upstream]

guitargeek
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aaronj0
committed
38d284d
[cppinterop] Require public path between same-template base instantiations [upstream]

guitargeek
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aaronj0
committed
7585182
[cppyy-backend] Replace clingwrapper with compres forks [fork-baseline]
aaronj0
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354ed4e
[cppyy-backend] Make GetActualClass robust across platforms [upstream]
aaronj0
committed
5451247
[cppyy-backend] Pass CPPINTEROP_DIR directly to AddIncludePath [ROOT-patch]
aaronj0
committed
2e1d5e0
[cppyy-backend] Apply ROOT patches on compres fork baseline [ROOT-patch]
aaronj0
committed
8c05ca0
[cppyy-backend] Stage CppInterOp headers via etc/cppinterop [ROOT-patch]
aaronj0
committed
2e0e548
[cppyy-backend] Resolve template arguments with real C++ unqualified lookup [upstream]
aaronj0
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05f2e16
[cppyy-backend] Serialize CppInterOp calls with ROOT's interpreter lock [ROOT-patch]

guitargeek
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aaronj0
committed
739c46a
[cppyy-backend] Resolve qualified names relative to a parent scope [upstream]

guitargeek
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aaronj0
committed
a53fcdf
[cppyy-backend] Filter deleted functions from Python-visible overload sets [upstream]

guitargeek
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aaronj0
committed
9449d09
[cppyy-backend] Resolve cppyy.gbl.gROOT to its underlying variable [ROOT-patch]

guitargeek
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aaronj0
committed
0e5737d
[cppyy-backend] Fix compiler warnings [upstream]

guitargeek
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aaronj0
committed
0205819
[cppyy-backend] Add env-guarded tracing of JIT calls [ROOT-patch]

guitargeek
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aaronj0
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5246efc
[cppyy-backend] Do not call with an unsizable return buffer in CallO [upstream]

guitargeek
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aaronj0
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2c3bc7d
[cppyy-backend] Instantiate templated operator-> in smart-ptr detection [upstream]

guitargeek
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aaronj0
committed
f45caf0
[cppyy-backend] Return GetEnumDataValue as long long for int64 enum values [upstream]
aaronj0
committed
3c8c0e3
[cppyy-backend] Don't autocast to anonymous-namespace types in GetActualClass [upstream]

guitargeek
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aaronj0
committed
c75a08e
[CPyCppyy] Replace with compres forks [fork-baseline]
aaronj0
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4e870c0
[CPyCppyy] Refactor the global call-policy system into GlobalPolicyFlags [upstream]
aaronj0
committed
553c253
[CPyCppyy] Add converters/low-level views for fixed width integers [upstream]
aaronj0
committed
f4e897e
[CPyCppyy] Fix typos, call GetActualClass in instance cast_actual [upstream]
aaronj0
committed
659e37d
[CPyCppyy] Add CStringArrayConverter::ToMemory and buffer helper [upstream]
aaronj0
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7879893
[CPyCppyy] Pythonize: fix __iadd__ return and disable buggy __array__ [upstream]
aaronj0
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a6c1405
[CPyCppyy] Use complete basic_string<char> name with default template args [upstream]
aaronj0
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35ec6a1
[CPyCppyy] Match function-pointer overloads via TCppType_t [upstream]
aaronj0
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2fc10bb
[CPyCppyy] declare gException, drop CPYCPPYY_IMPORT from CPPInstance [ROOT-patch]
aaronj0
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2a6750c
[CPyCppyy] Add more converter/executor name aliases [ROOT-patch]
aaronj0
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34af926
[CPyCppyy] Rename PyInit_libcppyy to Init for ROOT module split [ROOT-patch]
aaronj0
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1569eb4
[CPyCppyy] Pythonize: add std::span support and no-std wstring aliases [ROOT-patch]
aaronj0
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f750b3a
[CPyCppyy] Add __template_args__ and signature-plus-template overload [ROOT-patch]
aaronj0
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13de595
[CPyCppyy] Always convert returned to Python string [ROOT-patch]
aaronj0
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cf329a3
[CPyCppyy] Fix false addition of STLSequenceIter for pointer return-type iterators [ROOT-patch]
aaronj0
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f3ba886
[CPyCppyy] Restore support for non-const void*& arguments [upstream]

guitargeek
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aaronj0
committed
8575e3d
[CPyCppyy] Cache anonymous-enum constant values in CPPDataMember [upstream]

guitargeek
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aaronj0
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7d93629
[CPyCppyy] Exempt T* const& from the mutable pointer-reference ban [upstream]

guitargeek
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aaronj0
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9c03cf6
[CPyCppyy] Raise TypeError when a C++ name cannot be constructed [upstream]

guitargeek
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aaronj0
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2d0f2e5
[CPyCppyy] Re-enable __array__ for vectors of non-class element types [upstream]

guitargeek
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aaronj0
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377f5f1
[CPyCppyy] Only pythonize size() as __len__ for integer-sized containers [upstream]

guitargeek
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aaronj0
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243a2f3
[CPyCppyy] Auto-downcast polymorphic pointers read from memory [upstream]

guitargeek
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aaronj0
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70c6bdb
[CPyCppyy] Do not declare the Cppyy API dllimport on Windows [ROOT-patch]

guitargeek
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aaronj0
committed
8f9fbd7
[CPyCppyy] Retry template lookup with 2-tuples typed as std::pair [upstream]

guitargeek
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aaronj0
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d0c4563
[CPyCppyy] Type Python complex as std::complex<double> in template args [upstream]

guitargeek
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aaronj0
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de7ee32
[CPyCppyy] Do not implicitly convert to unrelated stdlib implementation details [upstream]

guitargeek
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aaronj0
committed
e53fc5f
[CPyCppyy] Return GetEnumDataValue as long long for int64 enum values [upstream]
aaronj0
committed
fa953f4
[CPyCppyy] Expose non-public methods re-exposed via public using-declarations [upstream]

guitargeek
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aaronj0
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98cb87a
[CPyCppyy] Use comparison operators inherited from base classes [upstream]

guitargeek
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aaronj0
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ea09c3a
[CPyCppyy] Search the global scope before the left operand's namespace for operators [upstream]

guitargeek
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aaronj0
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bb4bbb4
[CPyCppyy] Honor the global policy flag for implicit smart pointer conversion [upstream]

guitargeek
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aaronj0
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f1ab880
[CPyCppyy] Import cppyy module when gThisModule is null [ROOT-patch]

guitargeek
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aaronj0
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e1b54c1
[CPyCppyy] Reuse InitializerListConverter element converters [ROOT-patch]

guitargeek
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aaronj0
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2d4388d
[CPyCppyy] Exclude std::tuple from aggregate pseudo-constructor [ROOT-patch]
aaronj0
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e04a4c2
[CPyCppyy] Clear stale Python errors for debug-Python builds [ROOT-patch]

Vipul-Cariappa
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aaronj0
committed
e05e5c9
[CPyCppyy] Detect enum args by type in overload priority [ROOT-patch]
aaronj0
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cd773c6
[CPyCppyy] Do not decref a constructor result on Windows [ROOT-patch]

guitargeek
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aaronj0
committed
c861730
[cppyy] Replace frontend with compres forks [fork-baseline]
aaronj0
committed
3d71912
[cppyy] Match basic_string names with and without default template arguments [upstream]
aaronj0
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57ffe3d
[cppyy] Apply ROOT-specific patches [ROOT-patch]
aaronj0
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0ada8a2
[cppyy] Remove old patches and patching script for cppyy [ROOT-patch]

guitargeek
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aaronj0
committed
4e1b889
[cppyy] Enable test21_access_to_global_variables now ill-formed matches are rejected [upstream]

guitargeek
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aaronj0
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dfa15c0
[cppyy] Do not let the Windows std::endl workaround break the import [upstream]

guitargeek
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aaronj0
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495d57c
[cppyy] Detect cppexec errors from the captured diagnostics [upstream]

guitargeek
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aaronj0
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6bf9b6c
[cppyy] Adjust cppyy test expectations for the interop migration [ROOT-patch]
aaronj0
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16e09ca
[pyroot] Exclude canonical std::string from generic pretty-printer [ROOT-patch]
aaronj0
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b03ceb4
[Python] Pythonize templated classes cached in namespace [ROOT-patch]
aaronj0
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4888ada
[pyroot] Refactor RDF Filter/Define callable dispatch [ROOT-patch]
aaronj0
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806fb94
[ROOT] Use value_type instead of string manipulation to pythonize stl vector [ROOT-patch]
aaronj0
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0d06000
[ROOT][test] Canonical name includes UL suffix for literal [ROOT-patch]
aaronj0
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adb392d
[cppyy-backend] Normalize exposed names to cppyy's canonical form [ROOT-patch]

guitargeek
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aaronj0
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1c6facf
[roottest] Adapt atlas-datavector template instantiation test to new cppyy [ROOT-patch]

guitargeek
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aaronj0
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008c7ce
[RF] Delete fit objects before continuing in rs401d_FeldmanCousins.py [ROOT-patch]

guitargeek
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aaronj0
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4a88876
[DF][Python] Enable ROOT thread safety on the distributed client [ROOT-patch]

guitargeek
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aaronj0
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fe337d6
[misc] Export C++-mangled read-only data from bindexplib [ROOT-patch]

guitargeek
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aaronj0
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197efb1
[roottest] Disable python-cling-api on Windows [ROOT-patch]

guitargeek
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aaronj0
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38b5e83
[tutorials] Disable the fitNormSum Python tutorial test on Windows 32 bit [ROOT-patch]

guitargeek
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aaronj0
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2e26fec
[cppinterop] Add Cpp::GetOrForceDefinition and use it in auto-downcast
aaronj0
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7ff6861

Commits on Aug 21, 2026

[cppyy-backend] Move GetSizeOfType null guard to the caller [TEMP-CI-PROBE]
aaronj0
committed
79c1270

Commits on Sep 4, 2026

[CPyCppyy] Probe API-based mutable-pointer-ref check [TEMP-CI-PROBE]
aaronj0
committed
8ee352a