[cfe-commits] r97646 - in /cfe/trunk: include/clang-c/Index.h tools/CIndex/CIndex.cpp

[Ted Kremenek]

Author: kremenek
Date: Wed Mar  3 00:36:57 2010
New Revision: 97646

URL: http://llvm.org/viewvc/llvm-project?rev=97646&view=rev
Log:
Add clang_getCursorLinkage(), which returns the
underlying linkage for the entity referred to by a
CXCursor.

Modified:
    cfe/trunk/include/clang-c/Index.h
    cfe/trunk/tools/CIndex/CIndex.cpp

Modified: cfe/trunk/include/clang-c/Index.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang-c/Index.h?rev=97646&r1=97645&r2=97646&view=diff
==============================================================================
--- cfe/trunk/include/clang-c/Index.h (original)
+++ cfe/trunk/include/clang-c/Index.h Wed Mar  3 00:36:57 2010
@@ -889,6 +889,32 @@
 CINDEX_LINKAGE unsigned clang_isTranslationUnit(enum CXCursorKind);
 
 /**
+ * \brief Describe the linkage of the entity referred to by a cursor.
+ */
+enum CXLinkageKind {
+  /** \brief This value indicates that no linkage information is available
+   * for a provided CXCursor. */
+  CXLinkage_Invalid,
+  /**
+   * \brief This is the linkage for variables, parameters, and so on that
+   *  have automatic storage.  This covers normal (non-extern) local variables.
+   */
+  CXLinkage_NoLinkage,
+  /** \brief This is the linkage for static variables and static functions. */
+  CXLinkage_Internal,
+  /** \brief This is the linkage for entities with external linkage that live
+   * in C++ anonymous namespaces.*/
+  CXLinkage_UniqueExternal,
+  /** \brief This is the linkage for entities with true, external linkage. */
+  CXLinkage_External
+};
+
+/**
+ * \brief Determine the linkage of the entity referred to be a given cursor.
+ */
+CINDEX_LINKAGE enum CXLinkageKind clang_getCursorLinkage(CXCursor cursor);
+
+/**
  * @}
  */
 

Modified: cfe/trunk/tools/CIndex/CIndex.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/CIndex/CIndex.cpp?rev=97646&r1=97645&r2=97646&view=diff
==============================================================================
--- cfe/trunk/tools/CIndex/CIndex.cpp (original)
+++ cfe/trunk/tools/CIndex/CIndex.cpp Wed Mar  3 00:36:57 2010
@@ -2210,6 +2210,25 @@
 } // end: extern "C"
 
 //===----------------------------------------------------------------------===//
+// Operations for querying linkage of a cursor.
+//===----------------------------------------------------------------------===//
+
+extern "C" {
+CXLinkageKind clang_getCursorLinkage(CXCursor cursor) {
+  Decl *D = cxcursor::getCursorDecl(cursor);
+  if (NamedDecl *ND = dyn_cast_or_null<NamedDecl>(D))
+    switch (ND->getLinkage()) {
+      case NoLinkage: return CXLinkage_NoLinkage;
+      case InternalLinkage: return CXLinkage_Internal;
+      case UniqueExternalLinkage: return CXLinkage_UniqueExternal;
+      case ExternalLinkage: return CXLinkage_External;
+    };
+
+  return CXLinkage_Invalid;
+}
+} // end: extern "C"
+
+//===----------------------------------------------------------------------===//
 // CXString Operations.
 //===----------------------------------------------------------------------===//