Update clang to r108243.

10 files changed, 84 insertions, 38 deletions

diff --git a/tools/libclang/CIndex.cpp b/tools/libclang/CIndex.cpp
index a077589..7f32a1c 100644
--- a/tools/libclang/CIndex.cpp
+++ b/tools/libclang/CIndex.cpp
@@ -177,12 +177,12 @@ static RangeComparisonResult LocationCompare(SourceManager &SM,
 /// does the appropriate translation.
 CXSourceRange cxloc::translateSourceRange(const SourceManager &SM,
                                           const LangOptions &LangOpts,
-                                          SourceRange R) {
+                                          const CharSourceRange &R) {
   // We want the last character in this location, so we will adjust the
   // location accordingly.
   // FIXME: How do do this with a macro instantiation location?
   SourceLocation EndLoc = R.getEnd();
-  if (!EndLoc.isInvalid() && EndLoc.isFileID()) {
+  if (R.isTokenRange() && !EndLoc.isInvalid() && EndLoc.isFileID()) {
     unsigned Length = Lexer::MeasureTokenLength(EndLoc, SM, LangOpts);
     EndLoc = EndLoc.getFileLocWithOffset(Length);
   }
@@ -517,10 +517,8 @@ bool CursorVisitor::VisitChildren(CXCursor Cursor) {
 }
 
 bool CursorVisitor::VisitBlockDecl(BlockDecl *B) {
-  for (BlockDecl::param_iterator I=B->param_begin(), E=B->param_end(); I!=E;++I)
-    if (Decl *D = *I)
-      if (Visit(D))
-        return true;
+  if (Visit(B->getSignatureAsWritten()->getTypeLoc()))
+    return true;
 
   return Visit(MakeCXCursor(B->getBody(), StmtParent, TU));
 }
@@ -672,6 +670,9 @@ bool CursorVisitor::VisitObjCProtocolDecl(ObjCProtocolDecl *PID) {
 }
 
 bool CursorVisitor::VisitObjCPropertyDecl(ObjCPropertyDecl *PD) {
+  if (Visit(PD->getTypeSourceInfo()->getTypeLoc()))
+    return true;
+
   // FIXME: This implements a workaround with @property declarations also being
   // installed in the DeclContext for the @interface.  Eventually this code
   // should be removed.
@@ -1183,6 +1184,15 @@ clang_createTranslationUnitFromSourceFile(CXIndex CIdx,
     // in the actual argument list.
     if (source_filename)
       Args.push_back(source_filename);
+    
+    // Since the Clang C library is primarily used by batch tools dealing with
+    // (often very broken) source code, where spell-checking can have a
+    // significant negative impact on performance (particularly when 
+    // precompiled headers are involved), we disable it by default.
+    // Note that we place this argument early in the list, so that it can be
+    // overridden by the caller with "-fspell-checking".
+    Args.push_back("-fno-spell-checking");
+    
     Args.insert(Args.end(), command_line_args,
                 command_line_args + num_command_line_args);
     Args.push_back("-Xclang");
@@ -1246,6 +1256,14 @@ clang_createTranslationUnitFromSourceFile(CXIndex CIdx,
   argv.push_back("-o");
   char astTmpFile[L_tmpnam];
   argv.push_back(tmpnam(astTmpFile));
+  
+  // Since the Clang C library is primarily used by batch tools dealing with
+  // (often very broken) source code, where spell-checking can have a
+  // significant negative impact on performance (particularly when 
+  // precompiled headers are involved), we disable it by default.
+  // Note that we place this argument early in the list, so that it can be
+  // overridden by the caller with "-fspell-checking".
+  argv.push_back("-fno-spell-checking");
 
   // Remap any unsaved files to temporary files.
   std::vector<llvm::sys::Path> TemporaryFiles;
@@ -1479,16 +1497,6 @@ CXSourceLocation clang_getRangeEnd(CXSourceRange range) {
   return Result;
 }
 
-unsigned clang_isFromMainFile(CXSourceLocation loc) {
-  SourceLocation Loc = SourceLocation::getFromRawEncoding(loc.int_data);
-  if (!loc.ptr_data[0] || Loc.isInvalid())
-    return 0;
-
-  const SourceManager &SM =
-    *static_cast<const SourceManager*>(loc.ptr_data[0]);
-  return SM.isFromMainFile(Loc) ? 1 : 0;
-}
-
 } // end: extern "C"
 
 //===----------------------------------------------------------------------===//
@@ -2048,6 +2056,7 @@ CXCursor clang_getCursorDefinition(CXCursor C) {
   case Decl::TemplateTemplateParm:
   case Decl::ObjCCategoryImpl:
   case Decl::ObjCImplementation:
+  case Decl::AccessSpec:
   case Decl::LinkageSpec:
   case Decl::ObjCPropertyImpl:
   case Decl::FileScopeAsm:
diff --git a/tools/libclang/CIndexCodeCompletion.cpp b/tools/libclang/CIndexCodeCompletion.cpp
index 481a375..277fadf 100644
--- a/tools/libclang/CIndexCodeCompletion.cpp
+++ b/tools/libclang/CIndexCodeCompletion.cpp
@@ -202,7 +202,7 @@ unsigned clang_getNumCompletionChunks(CXCompletionString completion_string) {
 unsigned clang_getCompletionPriority(CXCompletionString completion_string) {
   CXStoredCodeCompletionString *CCStr
     = (CXStoredCodeCompletionString *)completion_string;
-  return CCStr? CCStr->getPriority() : CCP_Unlikely;
+  return CCStr? CCStr->getPriority() : unsigned(CCP_Unlikely);
 }
   
 static bool ReadUnsigned(const char *&Memory, const char *MemoryEnd,
@@ -291,6 +291,9 @@ CXCodeCompleteResults *clang_codeComplete(CXIndex CIdx,
   llvm::sys::Path ClangPath = CXXIdx->getClangPath();
   argv.push_back(ClangPath.c_str());
 
+  // Always use Clang C++ support.
+  argv.push_back("-ccc-clang-cxx");
+  
   // Add the '-fsyntax-only' argument so that we only perform a basic
   // syntax check of the code.
   argv.push_back("-fsyntax-only");
diff --git a/tools/libclang/CIndexer.cpp b/tools/libclang/CIndexer.cpp
index d5131ff..cdf6c61 100644
--- a/tools/libclang/CIndexer.cpp
+++ b/tools/libclang/CIndexer.cpp
@@ -135,6 +135,7 @@ bool clang::RemapFiles(unsigned num_unsaved_files,
     OS.close();
     if (OS.has_error()) {
       SavedFile.eraseFromDisk();
+      OS.clear_error();
       return true;
     }
     
diff --git a/tools/libclang/CMakeLists.txt b/tools/libclang/CMakeLists.txt
index 62c9738..ab4acca 100644
--- a/tools/libclang/CMakeLists.txt
+++ b/tools/libclang/CMakeLists.txt
@@ -3,7 +3,7 @@ set(SHARED_LIBRARY TRUE)
 set(LLVM_NO_RTTI 1)
 
 set(LLVM_USED_LIBS
- clangFrontend
+  clangFrontend
   clangDriver
   clangSema
   clangAnalysis
@@ -29,7 +29,6 @@ add_clang_library(libclang
   CXTypes.cpp
   ../../include/clang-c/Index.h
 )
-set_target_properties(libclang PROPERTIES OUTPUT_NAME clang)
 
 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
   # FIXME: Deal with LLVM_SUBMIT_VERSION?
diff --git a/tools/libclang/CXCursor.cpp b/tools/libclang/CXCursor.cpp
index f7192dd..be3623f 100644
--- a/tools/libclang/CXCursor.cpp
+++ b/tools/libclang/CXCursor.cpp
@@ -78,9 +78,9 @@ static CXCursorKind GetCursorKind(const Attr *A) {
   assert(A && "Invalid arguments!");
   switch (A->getKind()) {
     default: break;
-    case Attr::IBActionKind: return CXCursor_IBActionAttr;
-    case Attr::IBOutletKind: return CXCursor_IBOutletAttr;
-    case Attr::IBOutletCollectionKind: return CXCursor_IBOutletCollectionAttr;
+    case attr::IBAction: return CXCursor_IBActionAttr;
+    case attr::IBOutlet: return CXCursor_IBOutletAttr;
+    case attr::IBOutletCollection: return CXCursor_IBOutletCollectionAttr;
   }
 
   return CXCursor_UnexposedAttr;
@@ -174,7 +174,7 @@ CXCursor cxcursor::MakeCXCursor(Stmt *S, Decl *Parent, ASTUnit *TU) {
   case Stmt::CXXThisExprClass:            
   case Stmt::CXXThrowExprClass:           
   case Stmt::CXXDefaultArgExprClass:      
-  case Stmt::CXXZeroInitValueExprClass:   
+  case Stmt::CXXScalarValueInitExprClass:   
   case Stmt::CXXNewExprClass:             
   case Stmt::CXXDeleteExprClass:          
   case Stmt::CXXPseudoDestructorExprClass:
diff --git a/tools/libclang/CXSourceLocation.h b/tools/libclang/CXSourceLocation.h
index 66566c1..7a50205 100644
--- a/tools/libclang/CXSourceLocation.h
+++ b/tools/libclang/CXSourceLocation.h
@@ -29,6 +29,9 @@ namespace cxloc {
 static inline CXSourceLocation 
 translateSourceLocation(const SourceManager &SM, const LangOptions &LangOpts,
                         SourceLocation Loc) {
+  if (Loc.isInvalid())
+    clang_getNullLocation();
+
   CXSourceLocation Result = { { (void*) &SM, (void*) &LangOpts, },
                               Loc.getRawEncoding() };
   return Result;
@@ -50,14 +53,14 @@ static inline CXSourceLocation translateSourceLocation(ASTContext &Context,
 /// does the appropriate translation.
 CXSourceRange translateSourceRange(const SourceManager &SM, 
                                    const LangOptions &LangOpts,
-                                   SourceRange R);
+                                   const CharSourceRange &R);
   
 /// \brief Translate a Clang source range into a CIndex source range.
 static inline CXSourceRange translateSourceRange(ASTContext &Context,
                                                  SourceRange R) {
   return translateSourceRange(Context.getSourceManager(),
                               Context.getLangOptions(),
-                              R);
+                              CharSourceRange::getTokenRange(R));
 }
 
 static inline SourceLocation translateSourceLocation(CXSourceLocation L) {
diff --git a/tools/libclang/CXTypes.cpp b/tools/libclang/CXTypes.cpp
index 137370a..d5c9f45 100644
--- a/tools/libclang/CXTypes.cpp
+++ b/tools/libclang/CXTypes.cpp
@@ -77,6 +77,8 @@ static CXTypeKind GetTypeKind(QualType T) {
     TKCASE(Typedef);
     TKCASE(ObjCInterface);
     TKCASE(ObjCObjectPointer);
+    TKCASE(FunctionNoProto);
+    TKCASE(FunctionProto);
     default:
       return CXType_Unexposed;
   }
@@ -116,7 +118,10 @@ CXType clang_getCursorType(CXCursor C) {
       return MakeCXType(QualType(ID->getTypeForDecl(), 0), AU);
     if (ValueDecl *VD = dyn_cast<ValueDecl>(D))
       return MakeCXType(VD->getType(), AU);
-
+    if (ObjCPropertyDecl *PD = dyn_cast<ObjCPropertyDecl>(D))
+      return MakeCXType(PD->getType(), AU);
+    if (FunctionDecl *FD = dyn_cast<FunctionDecl>(D))
+      return MakeCXType(FD->getType(), AU);
     return MakeCXType(QualType(), AU);
   }
 
@@ -165,8 +170,15 @@ CXType clang_getPointeeType(CXType CT) {
 }
 
 CXCursor clang_getTypeDeclaration(CXType CT) {
+  if (CT.kind == CXType_Invalid)
+    return cxcursor::MakeCXCursorInvalid(CXCursor_NoDeclFound);
+
   QualType T = GetQualType(CT);
   Type *TP = T.getTypePtr();
+
+  if (!TP)
+    return cxcursor::MakeCXCursorInvalid(CXCursor_NoDeclFound);
+
   Decl *D = 0;
 
   switch (TP->getTypeClass()) {
@@ -237,6 +249,8 @@ CXString clang_getTypeKindSpelling(enum CXTypeKind K) {
     TKIND(Typedef);
     TKIND(ObjCInterface);
     TKIND(ObjCObjectPointer);
+    TKIND(FunctionNoProto);
+    TKIND(FunctionProto);
   }
 #undef TKIND
   return cxstring::createCXString(s);
@@ -246,4 +260,27 @@ unsigned clang_equalTypes(CXType A, CXType B) {
   return A.data[0] == B.data[0] && A.data[1] == B.data[1];;
 }
 
+CXType clang_getResultType(CXType X) {
+  QualType T = GetQualType(X);
+  if (!T.getTypePtr())
+    return MakeCXType(QualType(), GetASTU(X));
+  
+  if (const FunctionType *FD = T->getAs<FunctionType>())
+    return MakeCXType(FD->getResultType(), GetASTU(X));
+  
+  return MakeCXType(QualType(), GetASTU(X));
+}
+
+CXType clang_getCursorResultType(CXCursor C) {
+  if (clang_isDeclaration(C.kind)) {
+    Decl *D = cxcursor::getCursorDecl(C);
+    if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D))
+      return MakeCXType(MD->getResultType(), cxcursor::getCursorASTUnit(C));
+
+    return clang_getResultType(clang_getCursorType(C));
+  }
+
+  return MakeCXType(QualType(), cxcursor::getCursorASTUnit(C));
+}
+
 } // end: extern "C"
diff --git a/tools/libclang/Makefile b/tools/libclang/Makefile
index ff0fa33..253ea38 100644
--- a/tools/libclang/Makefile
+++ b/tools/libclang/Makefile
@@ -7,18 +7,11 @@
 # 
 ##===----------------------------------------------------------------------===##
 
-LEVEL = ../../../..
+CLANG_LEVEL := ../..
 LIBRARYNAME = clang
 
 EXPORTED_SYMBOL_FILE = $(PROJ_SRC_DIR)/libclang.exports
 
-CPP.Flags += -I$(PROJ_SRC_DIR)/../../include -I$(PROJ_OBJ_DIR)/../../include
-
-# Include this here so we can get the configuration of the targets
-# that have been configured for construction. We have to do this 
-# early so we can set up LINK_COMPONENTS before including Makefile.rules
-include $(LEVEL)/Makefile.config
-
 LINK_LIBS_IN_SHARED = 1
 SHARED_LIBRARY = 1
 
@@ -26,7 +19,7 @@ LINK_COMPONENTS := bitreader mc core
 USEDLIBS = clangFrontend.a clangDriver.a clangSema.a \
 	   clangAnalysis.a clangAST.a clangParse.a clangLex.a clangBasic.a
 
-include $(LEVEL)/Makefile.common
+include $(CLANG_LEVEL)/Makefile
 
 ##===----------------------------------------------------------------------===##
 # FIXME: This is copied from the 'lto' makefile.  Should we share this?
diff --git a/tools/libclang/libclang.darwin.exports b/tools/libclang/libclang.darwin.exports
index a9f4f07..f21fec6 100644
--- a/tools/libclang/libclang.darwin.exports
+++ b/tools/libclang/libclang.darwin.exports
@@ -41,6 +41,7 @@ _clang_getCursorLinkage
 _clang_getCursorLocation
 _clang_getCursorReferenced
 _clang_getCursorSpelling
+_clang_getCursorResultType
 _clang_getCursorType
 _clang_getCursorUSR
 _clang_getDefinitionSpellingAndExtent
@@ -67,6 +68,7 @@ _clang_getPointeeType
 _clang_getRange
 _clang_getRangeEnd
 _clang_getRangeStart
+_clang_getResultType
 _clang_getTokenExtent
 _clang_getTokenKind
 _clang_getTokenLocation
@@ -78,7 +80,6 @@ _clang_getTypeKindSpelling
 _clang_isCursorDefinition
 _clang_isDeclaration
 _clang_isExpression
-_clang_isFromMainFile
 _clang_isInvalid
 _clang_isPreprocessing
 _clang_isReference
diff --git a/tools/libclang/libclang.exports b/tools/libclang/libclang.exports
index b09e6ac..dcb40d4 100644
--- a/tools/libclang/libclang.exports
+++ b/tools/libclang/libclang.exports
@@ -41,6 +41,7 @@ clang_getCursorLinkage
 clang_getCursorLocation
 clang_getCursorReferenced
 clang_getCursorSpelling
+clang_getCursorResultType
 clang_getCursorType
 clang_getCursorUSR
 clang_getDefinitionSpellingAndExtent
@@ -67,6 +68,7 @@ clang_getPointeeType
 clang_getRange
 clang_getRangeEnd
 clang_getRangeStart
+clang_getResultType
 clang_getTokenExtent
 clang_getTokenKind
 clang_getTokenLocation
@@ -78,7 +80,6 @@ clang_getTypeKindSpelling
 clang_isCursorDefinition
 clang_isDeclaration
 clang_isExpression
-clang_isFromMainFile
 clang_isInvalid
 clang_isPreprocessing
 clang_isReference
@@ -88,4 +89,3 @@ clang_isUnexposed
 clang_setUseExternalASTGeneration
 clang_tokenize
 clang_visitChildren
-