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Add MSVC demangler correctness fixes and generated test corpus #8140

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Add MSVC demangler correctness fixes and generated test corpus #8140

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40f1589
Fix a ton of MSVC demangler bugs
plafosse Apr 17, 2026
f8cde66
Optimize MSVC demangler and DemangledTypeNode performance
plafosse Apr 17, 2026
8137021
Additional MSVC Demangling bug fixes
plafosse Apr 30, 2026
15dd98a
Ensure demangling recovers calling convention correctly
plafosse May 1, 2026
0f4d05a
Ensure we separate out platform/arch from initial Demangling phase
plafosse May 7, 2026
bb9e720
Use structured MSVC template backrefs
plafosse May 7, 2026
7bfbb87
Use structured GNU3 template args
plafosse May 7, 2026
ff7ad45
Add support for gnu3 demangler 'co-await'
plafosse May 8, 2026
adf09a3
In demanglers selectively reduce confidence under some conditions
plafosse May 8, 2026
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15 changes: 13 additions & 2 deletions demangle.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -47,8 +47,19 @@ namespace BinaryNinja {
bool DemangleMS(Architecture* arch, const std::string& mangledName, Ref<Type>& outType, QualifiedName& outVarName,
BinaryView* view)
{
const bool simplify = Settings::Instance()->Get<bool>("analysis.types.templateSimplifier", view);
return DemangleMS(arch, mangledName, outType, outVarName, simplify);
BNType* localType = nullptr;
char** localVarName = nullptr;
size_t localSize = 0;
if (!BNDemangleMSWithOptions(arch->GetObject(), mangledName.c_str(), &localType, &localVarName, &localSize,
view ? view->GetObject() : nullptr))
return false;
outType = localType ? new Type(localType) : nullptr;
for (size_t i = 0; i < localSize; i++)
{
outVarName.push_back(localVarName[i]);
}
BNFreeDemangledName(&localVarName, localSize);
return true;
}

bool DemangleMS(Architecture* arch, const std::string& mangledName, Ref<Type>& outType, QualifiedName& outVarName,
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