r179384 - [libclang] Introduce clang_Location_isInSystemHeader to check if a location resides in a system header.

[Argyrios Kyrtzidis]

Author: akirtzidis
Date: Fri Apr 12 12:06:51 2013
New Revision: 179384

URL: http://llvm.org/viewvc/llvm-project?rev=179384&view=rev
Log:
[libclang] Introduce clang_Location_isInSystemHeader to check if a location resides in a system header.

This is a modified patch provided from Mikołaj Siedlarek!

Modified:
    cfe/trunk/include/clang-c/Index.h
    cfe/trunk/tools/libclang/CXSourceLocation.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=179384&r1=179383&r2=179384&view=diff
==============================================================================
--- cfe/trunk/include/clang-c/Index.h (original)
+++ cfe/trunk/include/clang-c/Index.h Fri Apr 12 12:06:51 2013
@@ -32,7 +32,7 @@
  * compatible, thus CINDEX_VERSION_MAJOR is expected to remain stable.
  */
 #define CINDEX_VERSION_MAJOR 0
-#define CINDEX_VERSION_MINOR 16
+#define CINDEX_VERSION_MINOR 17
 
 #define CINDEX_VERSION_ENCODE(major, minor) ( \
       ((major) * 10000)                       \
@@ -409,6 +409,11 @@ CINDEX_LINKAGE CXSourceLocation clang_ge
                                                            unsigned offset);
 
 /**
+ * \brief Returns non-zero if the given source location is in a system header.
+ */
+CINDEX_LINKAGE int clang_Location_isInSystemHeader(CXSourceLocation location);
+
+/**
  * \brief Retrieve a NULL (invalid) source range.
  */
 CINDEX_LINKAGE CXSourceRange clang_getNullRange(void);

Modified: cfe/trunk/tools/libclang/CXSourceLocation.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/libclang/CXSourceLocation.cpp?rev=179384&r1=179383&r2=179384&view=diff
==============================================================================
--- cfe/trunk/tools/libclang/CXSourceLocation.cpp (original)
+++ cfe/trunk/tools/libclang/CXSourceLocation.cpp Fri Apr 12 12:06:51 2013
@@ -198,6 +198,17 @@ static void createNullLocation(CXString
 
 extern "C" {
 
+int clang_Location_isInSystemHeader(CXSourceLocation location) {
+  const SourceLocation Loc =
+    SourceLocation::getFromRawEncoding(location.int_data);
+  if (Loc.isInvalid())
+    return 0;
+
+  const SourceManager &SM =
+    *static_cast<const SourceManager*>(location.ptr_data[0]);
+  return SM.isInSystemHeader(Loc);
+}
+
 void clang_getExpansionLocation(CXSourceLocation location,
                                 CXFile *file,
                                 unsigned *line,

Modified: cfe/trunk/tools/libclang/libclang.exports
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/libclang/libclang.exports?rev=179384&r1=179383&r2=179384&view=diff
==============================================================================
--- cfe/trunk/tools/libclang/libclang.exports (original)
+++ cfe/trunk/tools/libclang/libclang.exports Fri Apr 12 12:06:51 2013
@@ -248,6 +248,7 @@ clang_isUnexposed
 clang_isVirtualBase
 clang_isVolatileQualifiedType
 clang_loadDiagnostics
+clang_Location_isInSystemHeader
 clang_parseTranslationUnit
 clang_remap_dispose
 clang_remap_getFilenames