forked from OSchip/llvm-project
51 lines
1.1 KiB
C++
51 lines
1.1 KiB
C++
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// Lots of vertical space to make the error line match up with the line of the
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// expected line in the source file.
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namespace warn_in_header_in_global_context {}
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using namespace warn_in_header_in_global_context;
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// While we want to error on the previous using directive, we don't when we are
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// inside a namespace
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namespace dont_warn_here {
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using namespace warn_in_header_in_global_context;
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}
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// We should warn in toplevel extern contexts.
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namespace warn_inside_linkage {}
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extern "C++" {
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using namespace warn_inside_linkage;
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}
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// This is really silly, but we should warn on it:
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extern "C++" {
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extern "C" {
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extern "C++" {
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using namespace warn_inside_linkage;
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}
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}
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}
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// But we shouldn't warn in extern contexts inside namespaces.
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namespace dont_warn_here {
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extern "C++" {
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using namespace warn_in_header_in_global_context;
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}
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}
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// We also shouldn't warn in case of functions.
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inline void foo() {
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using namespace warn_in_header_in_global_context;
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}
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namespace macronamespace {}
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#define USING_MACRO using namespace macronamespace;
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// |using namespace| through a macro should warn if the instantiation is in a
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// header.
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USING_MACRO
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