Introduce a new libclang API, clang_isFileMultipleIncludeGuarded(),
which determines whether a particular file is actually a header that
is intended to be guarded from multiple inclusions within the same
translation unit.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130808 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/libclang/CIndex.cpp b/tools/libclang/CIndex.cpp
index 28f1506..e6774dc 100644
--- a/tools/libclang/CIndex.cpp
+++ b/tools/libclang/CIndex.cpp
@@ -30,6 +30,7 @@
#include "clang/Frontend/CompilerInstance.h"
#include "clang/Frontend/FrontendDiagnostic.h"
#include "clang/Lex/Lexer.h"
+#include "clang/Lex/HeaderSearch.h"
#include "clang/Lex/PreprocessingRecord.h"
#include "clang/Lex/Preprocessor.h"
#include "llvm/ADT/STLExtras.h"
@@ -2890,6 +2891,16 @@
return const_cast<FileEntry *>(FMgr.getFile(file_name));
}
+unsigned clang_isFileMultipleIncludeGuarded(CXTranslationUnit tu, CXFile file) {
+ if (!tu || !file)
+ return 0;
+
+ ASTUnit *CXXUnit = static_cast<ASTUnit *>(tu->TUData);
+ FileEntry *FEnt = static_cast<FileEntry *>(file);
+ return CXXUnit->getPreprocessor().getHeaderSearchInfo()
+ .isFileMultipleIncludeGuarded(FEnt);
+}
+
} // end: extern "C"
//===----------------------------------------------------------------------===//
diff --git a/tools/libclang/libclang.darwin.exports b/tools/libclang/libclang.darwin.exports
index 30c3fd1..7bba673 100644
--- a/tools/libclang/libclang.darwin.exports
+++ b/tools/libclang/libclang.darwin.exports
@@ -115,6 +115,7 @@
_clang_isCursorDefinition
_clang_isDeclaration
_clang_isExpression
+_clang_isFileMultipleIncludeGuarded
_clang_isInvalid
_clang_isPODType
_clang_isPreprocessing
diff --git a/tools/libclang/libclang.exports b/tools/libclang/libclang.exports
index 4e96e8a..5f2c362 100644
--- a/tools/libclang/libclang.exports
+++ b/tools/libclang/libclang.exports
@@ -115,6 +115,7 @@
clang_isCursorDefinition
clang_isDeclaration
clang_isExpression
+clang_isFileMultipleIncludeGuarded
clang_isInvalid
clang_isPODType
clang_isPreprocessing