Documentation cleanup:

* Escaped "::" and "<" as needed in Doxygen comments;
* Marked up code examples with \code...\endcode;
* Documented a \param that is current, instead of a few that aren't;
* Fixed up some \file and \brief comments.

llvm-svn: 158562

clang/lib/Sema/SemaDeclCXX.cpp

@@ -9973,7 +9973,7 @@ Decl *Sema::ActOnTemplatedFriendTag(Scope *S, SourceLocation FriendLoc,
 ///   friend class A<T>::B<unsigned>;
 /// We permit this as a special case; if there are any template
 /// parameters present at all, require proper matching, i.e.
-///   template <> template <class T> friend class A<int>::B;
+///   template <> template \<class T> friend class A<int>::B;
 Decl *Sema::ActOnFriendTypeDecl(Scope *S, const DeclSpec &DS,
                                 MultiTemplateParamsArg TempParams) {
   SourceLocation Loc = DS.getLocStart();

clang/lib/Sema/SemaExprCXX.cpp

@@ -6,10 +6,9 @@
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
-//
+
-//  This file implements semantic analysis for C++ expressions.
+// \file
-//
+// \brief Implements semantic analysis for C++ expressions.
-//===----------------------------------------------------------------------===//
 
 #include "clang/Sema/SemaInternal.h"
 #include "clang/Sema/DeclSpec.h"
@@ -934,7 +933,7 @@ static bool doesUsualArrayDeleteWantSize(Sema &S, SourceLocation loc,
 }
 
 /// \brief Parsed a C++ 'new' expression (C++ 5.3.4).
-
+///
 /// E.g.:
 /// @code new (memory) int[size][4] @endcode
 /// or
@@ -947,10 +946,8 @@ static bool doesUsualArrayDeleteWantSize(Sema &S, SourceLocation loc,
 /// \param PlacementRParen Closing paren of the placement arguments.
 /// \param TypeIdParens If the type is in parens, the source range.
 /// \param D The type to be allocated, as well as array dimensions.
-/// \param ConstructorLParen Opening paren of the constructor args, empty if
+/// \param Initializer The initializing expression or initializer-list, or null
-///                          initializer-list syntax is used.
+///   if there is none.
-/// \param ConstructorArgs Constructor/initialization arguments.
-/// \param ConstructorRParen Closing paren of the constructor args.
 ExprResult
 Sema::ActOnCXXNew(SourceLocation StartLoc, bool UseGlobal,
                   SourceLocation PlacementLParen, MultiExprArg PlacementArgs,

clang/lib/Sema/SemaTemplate.cpp

@@ -5790,14 +5790,17 @@ Sema::CheckSpecializationInstantiationRedecl(SourceLocation NewLoc,
 }
 
 /// \brief Perform semantic analysis for the given dependent function
-/// template specialization.  The only possible way to get a dependent
+/// template specialization.
-/// function template specialization is with a friend declaration,
-/// like so:
 ///
-///   template <class T> void foo(T);
+/// The only possible way to get a dependent function template specialization
-///   template <class T> class A {
+/// is with a friend declaration, like so:
+///
+/// \code
+///   template \<class T> void foo(T);
+///   template \<class T> class A {
 ///     friend void foo<>(T);
 ///   };
+/// \endcode
 ///
 /// There really isn't any useful analysis we can do here, so we
 /// just store the information.

clang/lib/Sema/SemaTemplateInstantiateDecl.cpp

@@ -3240,8 +3240,8 @@ DeclContext *Sema::FindInstantiatedContext(SourceLocation Loc, DeclContext* DC,
 ///
 /// In the instantiation of X<int>::getKind(), we need to map the
 /// EnumConstantDecl for KnownValue (which refers to
-/// X<T>::\<Kind>::KnownValue) to its instantiation
+/// X<T>::\<Kind>::\KnownValue) to its instantiation
-/// (X<int>::\<Kind>::KnownValue). InstantiateCurrentDeclRef() performs
+/// (X<int>::\<Kind>\::KnownValue). InstantiateCurrentDeclRef() performs
 /// this mapping from within the instantiation of X<int>.
 NamedDecl *Sema::FindInstantiatedDecl(SourceLocation Loc, NamedDecl *D,
                           const MultiLevelTemplateArgumentList &TemplateArgs) {