c8b37e48f6
Allow the user to specify a concrete USR in the external_source_symbol attribute. That will let Clang's indexer to use Swift USRs for Swift declarations that are represented with C++ declarations. This new clause is used by Swift when generating a C++ header representation of a Swift module: https://github.com/apple/swift/pull/63002 Differential Revision: https://reviews.llvm.org/D141324
17 lines
591 B
C++
17 lines
591 B
C++
// RUN: %clang_cc1 -fsyntax-only -fblocks -verify -fdouble-square-bracket-attributes %s
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template<class T>
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class Class {
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public:
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[[clang::external_source_symbol(language="Swift", defined_in="module", USR="test", generated_declaration)]]
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void testExternalSourceSymbol();
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// expected-error@+1 {{expected string literal for USR in 'external_source_symbol' attribute}}
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[[clang::external_source_symbol(language="Swift", defined_in="module", USR=T, generated_declaration)]]
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void testExternalSourceSymbol2();
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};
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template<class T>
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void Class<T>::testExternalSourceSymbol() {
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}
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