r215796 - [libclang] Introduce clang_File_isEqual for comparing CXFile handles.

[Argyrios Kyrtzidis]

Author: akirtzidis
Date: Fri Aug 15 19:26:19 2014
New Revision: 215796

URL: http://llvm.org/viewvc/llvm-project?rev=215796&view=rev
Log:
[libclang] Introduce clang_File_isEqual for comparing CXFile handles.

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

Modified: cfe/trunk/include/clang-c/Index.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang-c/Index.h?rev=215796&r1=215795&r2=215796&view=diff
==============================================================================
--- cfe/trunk/include/clang-c/Index.h (original)
+++ cfe/trunk/include/clang-c/Index.h Fri Aug 15 19:26:19 2014
@@ -32,7 +32,7 @@
  * compatible, thus CINDEX_VERSION_MAJOR is expected to remain stable.
  */
 #define CINDEX_VERSION_MAJOR 0
-#define CINDEX_VERSION_MINOR 27
+#define CINDEX_VERSION_MINOR 28
 
 #define CINDEX_VERSION_ENCODE(major, minor) ( \
       ((major) * 10000)                       \
@@ -336,6 +336,12 @@ CINDEX_LINKAGE CXFile clang_getFile(CXTr
                                     const char *file_name);
 
 /**
+ * \brief Returns non-zero if the \c file1 and \c file2 point to the same file,
+ * or they are both NULL.
+ */
+CINDEX_LINKAGE int clang_File_isEqual(CXFile file1, CXFile file2);
+
+/**
  * @}
  */
 

Modified: cfe/trunk/tools/libclang/CIndex.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/libclang/CIndex.cpp?rev=215796&r1=215795&r2=215796&view=diff
==============================================================================
--- cfe/trunk/tools/libclang/CIndex.cpp (original)
+++ cfe/trunk/tools/libclang/CIndex.cpp Fri Aug 15 19:26:19 2014
@@ -3283,6 +3283,18 @@ int clang_getFileUniqueID(CXFile file, C
   return 0;
 }
 
+int clang_File_isEqual(CXFile file1, CXFile file2) {
+  if (file1 == file2)
+    return true;
+
+  if (!file1 || !file2)
+    return false;
+
+  FileEntry *FEnt1 = static_cast<FileEntry *>(file1);
+  FileEntry *FEnt2 = static_cast<FileEntry *>(file2);
+  return FEnt1->getUniqueID() == FEnt2->getUniqueID();
+}
+
 } // end: extern "C"
 
 //===----------------------------------------------------------------------===//

Modified: cfe/trunk/tools/libclang/libclang.exports
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/libclang/libclang.exports?rev=215796&r1=215795&r2=215796&view=diff
==============================================================================
--- cfe/trunk/tools/libclang/libclang.exports (original)
+++ cfe/trunk/tools/libclang/libclang.exports Fri Aug 15 19:26:19 2014
@@ -25,6 +25,7 @@ clang_Cursor_isNull
 clang_Cursor_isObjCOptional
 clang_Cursor_isVariadic
 clang_Cursor_getModule
+clang_File_isEqual
 clang_Module_getASTFile
 clang_Module_getParent
 clang_Module_getName