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Implementing a naive exception to be thrown in C++ if an Error is thrown in Swift

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Creating new Interop - SwiftToCxx test
This commit is contained in:
Roberto Rosmaninho
2022-07-15 20:14:13 -03:00
parent 4e1a1b82b9
commit b15c6a5537
5 changed files with 98 additions and 5 deletions
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22
lib/PrintAsClang/PrintSwiftToClangCoreScaffold.cpp
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@@ -210,6 +210,27 @@ static void printSwiftResilientStorageClass(raw_ostream &os) {
os << "};\n";
}
void printCxxNaiveException(raw_ostream &os) {
os << "\n";
os << "/// Naive exception class that should be thrown\n";
os << "class NaiveException {\n";
os << "public:\n";
os << " inline NaiveException(const char * _Nonnull msg) noexcept : "
<< "msg_(msg) { }\n";
os << " inline NaiveException(NaiveException&& other) noexcept : "
"msg_(other.msg_) { other.msg_ = nullptr; }\n";
os << " inline ~NaiveException() noexcept { }\n";
os << " void operator =(NaiveException&& other) noexcept { auto temp = msg_;"
<< " msg_ = other.msg_; other.msg_ = temp; }\n";
os << " void operator =(const NaiveException&) noexcept = delete;";
os << "\n";
os << " inline const char * _Nonnull getMessage() const noexcept { "
<< "return(msg_); }\n";
os << "private:\n";
os << " const char * _Nonnull msg_;\n";
os << "};\n";
}
void swift::printSwiftToClangCoreScaffold(SwiftToClangInteropContext &ctx,
PrimitiveTypeMapping &typeMapping,
raw_ostream &os) {
@@ -226,6 +247,7 @@ void swift::printSwiftToClangCoreScaffold(SwiftToClangInteropContext &ctx,
printOpaqueAllocFee(os);
os << "\n";
printSwiftResilientStorageClass(os);
printCxxNaiveException(os);
});
});
}