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| author | Axel Naumann <Axel.Naumann@cern.ch> | 2011-02-24 16:47:47 +0000 |
|---|---|---|
| committer | Axel Naumann <Axel.Naumann@cern.ch> | 2011-02-24 16:47:47 +0000 |
| commit | f8291a190cc6765630312911f441d9e23564eda2 (patch) | |
| tree | 6113bcf3897cba1b6484fa933ec5c768dd5a181e /lib/Sema/SemaLookup.cpp | |
| parent | 6b46cd9c8508e1a67c66cbb83a9077bb787a3ce2 (diff) | |
From Vassil Vassilev:
Add an interface for last resort, unqualified lookup. It can provide results for unqualified lookup when Sema fails to find anything itself.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126387 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Sema/SemaLookup.cpp')
| -rw-r--r-- | lib/Sema/SemaLookup.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/Sema/SemaLookup.cpp b/lib/Sema/SemaLookup.cpp index 0fd0e08ac8..3deb4034c5 100644 --- a/lib/Sema/SemaLookup.cpp +++ b/lib/Sema/SemaLookup.cpp @@ -18,6 +18,7 @@ #include "clang/Sema/Scope.h" #include "clang/Sema/ScopeInfo.h" #include "clang/Sema/TemplateDeduction.h" +#include "clang/Sema/ExternalSemaSource.h" #include "clang/AST/ASTContext.h" #include "clang/AST/CXXInheritance.h" #include "clang/AST/Decl.h" @@ -1132,7 +1133,11 @@ bool Sema::LookupName(LookupResult &R, Scope *S, bool AllowBuiltinCreation) { if (AllowBuiltinCreation) return LookupBuiltin(*this, R); - return false; + // If we didn't find a use of this identifier, the ExternalSource + // may be able to handle the situation. + // Note: some lookup failures are expected! + // See e.g. R.isForRedeclaration(). + return (ExternalSource && ExternalSource->LookupUnqualified(R, S)); } /// @brief Perform qualified name lookup in the namespaces nominated by |