Updated to Clang 3.5a.

Change-Id: I8127eb568f674c2e72635b639a3295381fe8af82
diff --git a/include/clang-c/BuildSystem.h b/include/clang-c/BuildSystem.h
new file mode 100644
index 0000000..8212728
--- /dev/null
+++ b/include/clang-c/BuildSystem.h
@@ -0,0 +1,148 @@
+/*==-- clang-c/BuildSysetm.h - Utilities for use by build systems -*- C -*-===*\
+|*                                                                            *|
+|*                     The LLVM Compiler Infrastructure                       *|
+|*                                                                            *|
+|* This file is distributed under the University of Illinois Open Source      *|
+|* License. See LICENSE.TXT for details.                                      *|
+|*                                                                            *|
+|*===----------------------------------------------------------------------===*|
+|*                                                                            *|
+|* This header provides various utilities for use by build systems.           *|
+|*                                                                            *|
+\*===----------------------------------------------------------------------===*/
+
+#ifndef CLANG_C_BUILD_SYSTEM_H
+#define CLANG_C_BUILD_SYSTEM_H
+
+#include "clang-c/Platform.h"
+#include "clang-c/CXErrorCode.h"
+#include "clang-c/CXString.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \defgroup BUILD_SYSTEM Build system utilities
+ * @{
+ */
+
+/**
+ * \brief Return the timestamp for use with Clang's
+ * \c -fbuild-session-timestamp= option.
+ */
+CINDEX_LINKAGE unsigned long long clang_getBuildSessionTimestamp(void);
+
+/**
+ * \brief Object encapsulating information about overlaying virtual
+ * file/directories over the real file system.
+ */
+typedef struct CXVirtualFileOverlayImpl *CXVirtualFileOverlay;
+
+/**
+ * \brief Create a \c CXVirtualFileOverlay object.
+ * Must be disposed with \c clang_VirtualFileOverlay_dispose().
+ *
+ * \param options is reserved, always pass 0.
+ */
+CINDEX_LINKAGE CXVirtualFileOverlay
+clang_VirtualFileOverlay_create(unsigned options);
+
+/**
+ * \brief Map an absolute virtual file path to an absolute real one.
+ * The virtual path must be canonicalized (not contain "."/"..").
+ * \returns 0 for success, non-zero to indicate an error.
+ */
+CINDEX_LINKAGE enum CXErrorCode
+clang_VirtualFileOverlay_addFileMapping(CXVirtualFileOverlay,
+                                        const char *virtualPath,
+                                        const char *realPath);
+
+/**
+ * \brief Set the case sensitivity for the \c CXVirtualFileOverlay object.
+ * The \c CXVirtualFileOverlay object is case-sensitive by default, this
+ * option can be used to override the default.
+ * \returns 0 for success, non-zero to indicate an error.
+ */
+CINDEX_LINKAGE enum CXErrorCode
+clang_VirtualFileOverlay_setCaseSensitivity(CXVirtualFileOverlay,
+											int caseSensitive);
+
+/**
+ * \brief Write out the \c CXVirtualFileOverlay object to a char buffer.
+ *
+ * \param options is reserved, always pass 0.
+ * \param out_buffer_ptr pointer to receive the buffer pointer, which should be
+ * disposed using \c free().
+ * \param out_buffer_size pointer to receive the buffer size.
+ * \returns 0 for success, non-zero to indicate an error.
+ */
+CINDEX_LINKAGE enum CXErrorCode
+clang_VirtualFileOverlay_writeToBuffer(CXVirtualFileOverlay, unsigned options,
+                                       char **out_buffer_ptr,
+                                       unsigned *out_buffer_size);
+
+/**
+ * \brief Dispose a \c CXVirtualFileOverlay object.
+ */
+CINDEX_LINKAGE void clang_VirtualFileOverlay_dispose(CXVirtualFileOverlay);
+
+/**
+ * \brief Object encapsulating information about a module.map file.
+ */
+typedef struct CXModuleMapDescriptorImpl *CXModuleMapDescriptor;
+
+/**
+ * \brief Create a \c CXModuleMapDescriptor object.
+ * Must be disposed with \c clang_ModuleMapDescriptor_dispose().
+ *
+ * \param options is reserved, always pass 0.
+ */
+CINDEX_LINKAGE CXModuleMapDescriptor
+clang_ModuleMapDescriptor_create(unsigned options);
+
+/**
+ * \brief Sets the framework module name that the module.map describes.
+ * \returns 0 for success, non-zero to indicate an error.
+ */
+CINDEX_LINKAGE enum CXErrorCode
+clang_ModuleMapDescriptor_setFrameworkModuleName(CXModuleMapDescriptor,
+                                                 const char *name);
+
+/**
+ * \brief Sets the umbrealla header name that the module.map describes.
+ * \returns 0 for success, non-zero to indicate an error.
+ */
+CINDEX_LINKAGE enum CXErrorCode
+clang_ModuleMapDescriptor_setUmbrellaHeader(CXModuleMapDescriptor,
+                                            const char *name);
+
+/**
+ * \brief Write out the \c CXModuleMapDescriptor object to a char buffer.
+ *
+ * \param options is reserved, always pass 0.
+ * \param out_buffer_ptr pointer to receive the buffer pointer, which should be
+ * disposed using \c free().
+ * \param out_buffer_size pointer to receive the buffer size.
+ * \returns 0 for success, non-zero to indicate an error.
+ */
+CINDEX_LINKAGE enum CXErrorCode
+clang_ModuleMapDescriptor_writeToBuffer(CXModuleMapDescriptor, unsigned options,
+                                       char **out_buffer_ptr,
+                                       unsigned *out_buffer_size);
+
+/**
+ * \brief Dispose a \c CXModuleMapDescriptor object.
+ */
+CINDEX_LINKAGE void clang_ModuleMapDescriptor_dispose(CXModuleMapDescriptor);
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* CLANG_C_BUILD_SYSTEM_H */
+
diff --git a/include/clang-c/CXErrorCode.h b/include/clang-c/CXErrorCode.h
new file mode 100644
index 0000000..a026c95
--- /dev/null
+++ b/include/clang-c/CXErrorCode.h
@@ -0,0 +1,64 @@
+/*===-- clang-c/CXErrorCode.h - C Index Error Codes  --------------*- C -*-===*\
+|*                                                                            *|
+|*                     The LLVM Compiler Infrastructure                       *|
+|*                                                                            *|
+|* This file is distributed under the University of Illinois Open Source      *|
+|* License. See LICENSE.TXT for details.                                      *|
+|*                                                                            *|
+|*===----------------------------------------------------------------------===*|
+|*                                                                            *|
+|* This header provides the CXErrorCode enumerators.                          *|
+|*                                                                            *|
+\*===----------------------------------------------------------------------===*/
+
+#ifndef CLANG_C_CXERRORCODE_H
+#define CLANG_C_CXERRORCODE_H
+
+#include "clang-c/Platform.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \brief Error codes returned by libclang routines.
+ *
+ * Zero (\c CXError_Success) is the only error code indicating success.  Other
+ * error codes, including not yet assigned non-zero values, indicate errors.
+ */
+enum CXErrorCode {
+  /**
+   * \brief No error.
+   */
+  CXError_Success = 0,
+
+  /**
+   * \brief A generic error code, no further details are available.
+   *
+   * Errors of this kind can get their own specific error codes in future
+   * libclang versions.
+   */
+  CXError_Failure = 1,
+
+  /**
+   * \brief libclang crashed while performing the requested operation.
+   */
+  CXError_Crashed = 2,
+
+  /**
+   * \brief The function detected that the arguments violate the function
+   * contract.
+   */
+  CXError_InvalidArguments = 3,
+
+  /**
+   * \brief An AST deserialization error has occurred.
+   */
+  CXError_ASTReadError = 4
+};
+
+#ifdef __cplusplus
+}
+#endif
+#endif
+
diff --git a/include/clang-c/Index.h b/include/clang-c/Index.h
index 95d54c2..7eff0a4 100644
--- a/include/clang-c/Index.h
+++ b/include/clang-c/Index.h
@@ -19,7 +19,9 @@
 #include <time.h>
 
 #include "clang-c/Platform.h"
+#include "clang-c/CXErrorCode.h"
 #include "clang-c/CXString.h"
+#include "clang-c/BuildSystem.h"
 
 /**
  * \brief The version constants for the libclang API.
@@ -30,7 +32,7 @@
  * compatible, thus CINDEX_VERSION_MAJOR is expected to remain stable.
  */
 #define CINDEX_VERSION_MAJOR 0
-#define CINDEX_VERSION_MINOR 20
+#define CINDEX_VERSION_MINOR 24
 
 #define CINDEX_VERSION_ENCODE(major, minor) ( \
       ((major) * 10000)                       \
@@ -599,6 +601,32 @@
 CINDEX_LINKAGE CXSourceLocation clang_getRangeEnd(CXSourceRange range);
 
 /**
+ * \brief Identifies an array of ranges.
+ */
+typedef struct {
+  /** \brief The number of ranges in the \c ranges array. */
+  unsigned count;
+  /**
+   * \brief An array of \c CXSourceRanges.
+   */
+  CXSourceRange *ranges;
+} CXSourceRangeList;
+
+/**
+ * \brief Retrieve all ranges that were skipped by the preprocessor.
+ *
+ * The preprocessor will skip lines when they are surrounded by an
+ * if/ifdef/ifndef directive whose condition does not evaluate to true.
+ */
+CINDEX_LINKAGE CXSourceRangeList *clang_getSkippedRanges(CXTranslationUnit tu,
+                                                         CXFile file);
+
+/**
+ * \brief Destroy the given \c CXSourceRangeList.
+ */
+CINDEX_LINKAGE void clang_disposeSourceRangeList(CXSourceRangeList *ranges);
+
+/**
  * @}
  */
 
@@ -625,6 +653,12 @@
   CXDiagnostic_Note    = 1,
 
   /**
+   * \brief This diagnostic is a remark that provides additional information
+   * for the user.
+   */
+  CXDiagnostic_Remark = 5,
+
+  /**
    * \brief This diagnostic indicates suspicious code that may not be
    * wrong.
    */
@@ -1050,10 +1084,27 @@
                                          struct CXUnsavedFile *unsaved_files);
 
 /**
- * \brief Create a translation unit from an AST file (-emit-ast).
+ * \brief Same as \c clang_createTranslationUnit2, but returns
+ * the \c CXTranslationUnit instead of an error code.  In case of an error this
+ * routine returns a \c NULL \c CXTranslationUnit, without further detailed
+ * error codes.
  */
-CINDEX_LINKAGE CXTranslationUnit clang_createTranslationUnit(CXIndex,
-                                             const char *ast_filename);
+CINDEX_LINKAGE CXTranslationUnit clang_createTranslationUnit(
+    CXIndex CIdx,
+    const char *ast_filename);
+
+/**
+ * \brief Create a translation unit from an AST file (\c -emit-ast).
+ *
+ * \param[out] out_TU A non-NULL pointer to store the created
+ * \c CXTranslationUnit.
+ *
+ * \returns Zero on success, otherwise returns an error code.
+ */
+CINDEX_LINKAGE enum CXErrorCode clang_createTranslationUnit2(
+    CXIndex CIdx,
+    const char *ast_filename,
+    CXTranslationUnit *out_TU);
 
 /**
  * \brief Flags that control the creation of translation units.
@@ -1167,7 +1218,22 @@
  * set of optimizations enabled may change from one version to the next.
  */
 CINDEX_LINKAGE unsigned clang_defaultEditingTranslationUnitOptions(void);
-  
+
+/**
+ * \brief Same as \c clang_parseTranslationUnit2, but returns
+ * the \c CXTranslationUnit instead of an error code.  In case of an error this
+ * routine returns a \c NULL \c CXTranslationUnit, without further detailed
+ * error codes.
+ */
+CINDEX_LINKAGE CXTranslationUnit
+clang_parseTranslationUnit(CXIndex CIdx,
+                           const char *source_filename,
+                           const char *const *command_line_args,
+                           int num_command_line_args,
+                           struct CXUnsavedFile *unsaved_files,
+                           unsigned num_unsaved_files,
+                           unsigned options);
+
 /**
  * \brief Parse the given source file and the translation unit corresponding
  * to that file.
@@ -1182,7 +1248,7 @@
  * associated.
  *
  * \param source_filename The name of the source file to load, or NULL if the
- * source file is included in \p command_line_args.
+ * source file is included in \c command_line_args.
  *
  * \param command_line_args The command-line arguments that would be
  * passed to the \c clang executable if it were being invoked out-of-process.
@@ -1191,7 +1257,7 @@
  * '-emit-ast', '-fsyntax-only' (which is the default), and '-o \<output file>'.
  *
  * \param num_command_line_args The number of command-line arguments in
- * \p command_line_args.
+ * \c command_line_args.
  *
  * \param unsaved_files the files that have not yet been saved to disk
  * but may be required for parsing, including the contents of
@@ -1206,18 +1272,22 @@
  * is managed but not its compilation. This should be a bitwise OR of the
  * CXTranslationUnit_XXX flags.
  *
- * \returns A new translation unit describing the parsed code and containing
- * any diagnostics produced by the compiler. If there is a failure from which
- * the compiler cannot recover, returns NULL.
+ * \param[out] out_TU A non-NULL pointer to store the created
+ * \c CXTranslationUnit, describing the parsed code and containing any
+ * diagnostics produced by the compiler.
+ *
+ * \returns Zero on success, otherwise returns an error code.
  */
-CINDEX_LINKAGE CXTranslationUnit clang_parseTranslationUnit(CXIndex CIdx,
-                                                    const char *source_filename,
-                                         const char * const *command_line_args,
-                                                      int num_command_line_args,
-                                            struct CXUnsavedFile *unsaved_files,
-                                                     unsigned num_unsaved_files,
-                                                            unsigned options);
-  
+CINDEX_LINKAGE enum CXErrorCode
+clang_parseTranslationUnit2(CXIndex CIdx,
+                            const char *source_filename,
+                            const char *const *command_line_args,
+                            int num_command_line_args,
+                            struct CXUnsavedFile *unsaved_files,
+                            unsigned num_unsaved_files,
+                            unsigned options,
+                            CXTranslationUnit *out_TU);
+
 /**
  * \brief Flags that control how translation units are saved.
  *
@@ -1369,10 +1439,11 @@
  * The function \c clang_defaultReparseOptions() produces a default set of
  * options recommended for most uses, based on the translation unit.
  *
- * \returns 0 if the sources could be reparsed. A non-zero value will be
+ * \returns 0 if the sources could be reparsed.  A non-zero error code will be
  * returned if reparsing was impossible, such that the translation unit is
- * invalid. In such cases, the only valid call for \p TU is 
- * \c clang_disposeTranslationUnit(TU).
+ * invalid. In such cases, the only valid call for \c TU is
+ * \c clang_disposeTranslationUnit(TU).  The error codes returned by this
+ * routine are described by the \c CXErrorCode enum.
  */
 CINDEX_LINKAGE int clang_reparseTranslationUnit(CXTranslationUnit TU,
                                                 unsigned num_unsaved_files,
@@ -2070,7 +2141,11 @@
    */
   CXCursor_OMPParallelDirective          = 232,
 
-  CXCursor_LastStmt                      = CXCursor_OMPParallelDirective,
+  /** \brief OpenMP simd directive.
+   */
+  CXCursor_OMPSimdDirective              = 233,
+
+  CXCursor_LastStmt                      = CXCursor_OMPSimdDirective,
 
   /**
    * \brief Cursor that represents the translation unit itself.
@@ -2369,7 +2444,7 @@
 /**
  * \brief Describe the "language" of the entity referred to by a cursor.
  */
-CINDEX_LINKAGE enum CXLanguageKind {
+enum CXLanguageKind {
   CXLanguage_Invalid = 0,
   CXLanguage_C,
   CXLanguage_ObjC,
@@ -2854,14 +2929,14 @@
 CINDEX_LINKAGE enum CXCallingConv clang_getFunctionTypeCallingConv(CXType T);
 
 /**
- * \brief Retrieve the result type associated with a function type.
+ * \brief Retrieve the return type associated with a function type.
  *
  * If a non-function type is passed in, an invalid type is returned.
  */
 CINDEX_LINKAGE CXType clang_getResultType(CXType T);
 
 /**
- * \brief Retrieve the number of non-variadic arguments associated with a
+ * \brief Retrieve the number of non-variadic parameters associated with a
  * function type.
  *
  * If a non-function type is passed in, -1 is returned.
@@ -2869,7 +2944,7 @@
 CINDEX_LINKAGE int clang_getNumArgTypes(CXType T);
 
 /**
- * \brief Retrieve the type of an argument of a function type.
+ * \brief Retrieve the type of a parameter of a function type.
  *
  * If a non-function type is passed in or the function does not have enough
  * parameters, an invalid type is returned.
@@ -2882,7 +2957,7 @@
 CINDEX_LINKAGE unsigned clang_isFunctionTypeVariadic(CXType T);
 
 /**
- * \brief Retrieve the result type associated with a given cursor.
+ * \brief Retrieve the return type associated with a given cursor.
  *
  * This only returns a valid type if the cursor refers to a function or method.
  */
@@ -3012,6 +3087,24 @@
 };
 
 /**
+ * \brief Returns the number of template arguments for given class template
+ * specialization, or -1 if type \c T is not a class template specialization.
+ *
+ * Variadic argument packs count as only one argument, and can not be inspected
+ * further.
+ */
+CINDEX_LINKAGE int clang_Type_getNumTemplateArguments(CXType T);
+
+/**
+ * \brief Returns the type template argument of a template class specialization
+ * at given index.
+ *
+ * This function only returns template type arguments and does not handle
+ * template template arguments or variadic packs.
+ */
+CINDEX_LINKAGE CXType clang_Type_getTemplateArgumentAsType(CXType T, unsigned i);
+
+/**
  * \brief Retrieve the ref-qualifier kind of a function or method.
  *
  * The ref-qualifier is returned for C++ functions or methods. For other types
@@ -5763,11 +5856,12 @@
  * \param index_options A bitmask of options that affects how indexing is
  * performed. This should be a bitwise OR of the CXIndexOpt_XXX flags.
  *
- * \param out_TU [out] pointer to store a CXTranslationUnit that can be reused
- * after indexing is finished. Set to NULL if you do not require it.
+ * \param[out] out_TU pointer to store a \c CXTranslationUnit that can be
+ * reused after indexing is finished. Set to \c NULL if you do not require it.
  *
- * \returns If there is a failure from which the there is no recovery, returns
- * non-zero, otherwise returns 0.
+ * \returns 0 on success or if there were errors from which the compiler could
+ * recover.  If there is a failure from which the there is no recovery, returns
+ * a non-zero \c CXErrorCode.
  *
  * The rest of the parameters are the same as #clang_parseTranslationUnit.
  */