CppInterOp based cppyy migration#21261

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aaronj0 wants to merge 45 commits into

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aaronj0:cppyy-interop-migration

Commits on Jun 26, 2026

[cppinterop] Add Cling-specific RAII, lookup and dispatch patches [upstream]
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[cppinterop] Fix GetEnumConstantValue when value can't be within int64_t [upstream]
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[cppinterop] Fix JitCall codegen for deleted copy ctor in args [upstream]
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[cppinterop] Use canonical return type in wrapper codegen [upstream]
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[cppyy-backend] Replace clingwrapper with compres forks [fork-baseline]
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[cppyy-backend] fix GetActualClass for null [upstream]
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[cppyy-backend] Add function-type comparison APIs [upstream]
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[cppyy-backend] Pass CPPINTEROP_DIR directly to AddIncludePath [ROOT-patch]
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[cppyy-backend] Apply ROOT patches on compres fork baseline [ROOT-patch]
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[cppyy-backend] Stage CppInterOp headers via etc/cppinterop [ROOT-patch]
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[cppyy] Replace frontend with compres forks [fork-baseline]
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[cppyy] Use qualified complete name for basic_string<char> NPOS check [upstream]
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[cppyy] Apply ROOT-specific patches [ROOT-patch]
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[CPyCppyy] Replace with compres forks [fork-baseline]
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[CPyCppyy] Refactor CallContext policy system, add Py 3.13 guard [upstream]
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[CPyCppyy] Add converters/low-level views for fixed width integers [upstream]
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[CPyCppyy] Fix typos, call GetActualClass in instance cast_actual [upstream]
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[CPyCppyy] Use TCppType_t for fCppType and fUnderlyingType [upstream]
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[CPyCppyy] Apply memory policy refactor to CPPOverload.cxx [upstream]
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[CPyCppyy] Add CStringArrayConverter::ToMemory and buffer helper [upstream]
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[CPyCppyy] Add missing override on HasState in CPPYY_DECLARE_ARRAY_CONVERTER [upstream]
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[CPyCppyy] Collapse CPyCppyyModule policy setters into a macro [upstream]
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[CPyCppyy] Use CallContext flag for implicit conversion check [upstream]
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[CPyCppyy] Pythonize: fix __iadd__ return and disable buggy __array__ [upstream]
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[CPyCppyy] add std::span branch in TCppType_t CreateConverter overload [upstream]
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[CPyCppyy] Use complete basic_string<char> name with default template args [upstream]
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[CPyCppyy] Fall through to generic Python callable if overload signature mismatches [upstream]
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[CPyCppyy] Match function-pointer overloads via TCppType_t [upstream]
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[CPyCppyy] declare gException, drop CPYCPPYY_IMPORT from CPPInstance [ROOT-patch]
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[CPyCppyy] Add more converter/executor name aliases [ROOT-patch]
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[CPyCppyy] Rename PyInit_libcppyy to Init for ROOT module split [ROOT-patch]
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[CPyCppyy] Pythonize: add std::span support and no-std wstring aliases [ROOT-patch]
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[CPyCppyy] Add __template_args__ and signature-plus-template overload [ROOT-patch]
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[CPyCppyy] Always convert returned to Python string [ROOT-patch]
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[CPyCppyy] Fix false addition of STLSequenceIter for pointer return-type iterators [ROOT-patch]
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[cppyy] Update test std.string type checks to Python str [ROOT-patch]
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[cppyy] Newly enabled tests in ROOT by CppInterOp [ROOT-patch]
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[pyroot] Exclude canonical std::string from generic pretty-printer [ROOT-patch]
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[Python] Pythonize templated classes cached in namespace [ROOT-patch]
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[pyroot] Refactor RDF Filter/Define callable dispatch [ROOT-patch]
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[Python] Inject `gPad` and `gVirtualX` into facade without ROOT meta

guitargeek
authored and
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[ROOT] Workaround diagnostics when slow type lookup of literal in TColorNumber ctor param
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[ROOT] Use value_type instead of string manipulation to pythonize stl vector
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[ROOT][test] Canonical name includes UL suffix for literal
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[cppyy-backend] Fast-path identifier lookups in Cppyy::GetType / AppendTypesSlow [upstream]
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