Parse C++0x generalized initializers.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@132662 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 32 insertions, 6 deletions

diff --git a/lib/Parse/ParseExpr.cpp b/lib/Parse/ParseExpr.cpp
index 89422b97fc..4e94ed9323 100644
--- a/lib/Parse/ParseExpr.cpp
+++ b/lib/Parse/ParseExpr.cpp
@@ -480,7 +480,9 @@ ExprResult Parser::ParseCastExpression(bool isUnaryExpression,
 /// [OBJC]  '@encode' '(' type-name ')'
 /// [OBJC]  objc-string-literal
 /// [C++]   simple-type-specifier '(' expression-list[opt] ')'      [C++ 5.2.3]
+/// [C++0x] simple-type-specifier braced-init-list                  [C++ 5.2.3]
 /// [C++]   typename-specifier '(' expression-list[opt] ')'         [C++ 5.2.3]
+/// [C++0x] typename-specifier braced-init-list                     [C++ 5.2.3]
 /// [C++]   'const_cast' '<' type-name '>' '(' expression ')'       [C++ 5.2p1]
 /// [C++]   'dynamic_cast' '<' type-name '>' '(' expression ')'     [C++ 5.2p1]
 /// [C++]   'reinterpret_cast' '<' type-name '>' '(' expression ')' [C++ 5.2p1]
@@ -923,15 +925,18 @@ ExprResult Parser::ParseCastExpression(bool isUnaryExpression,
 
     if (SavedKind == tok::kw_typename) {
       // postfix-expression: typename-specifier '(' expression-list[opt] ')'
+      //                     typename-specifier braced-init-list
       if (TryAnnotateTypeOrScopeToken())
         return ExprError();
     }
 
     // postfix-expression: simple-type-specifier '(' expression-list[opt] ')'
+    //                     simple-type-specifier braced-init-list
     //
     DeclSpec DS(AttrFactory);
     ParseCXXSimpleTypeSpecifier(DS);
-    if (Tok.isNot(tok::l_paren))
+    if (Tok.isNot(tok::l_paren) &&
+        (!getLang().CPlusPlus0x || Tok.isNot(tok::l_brace)))
       return ExprError(Diag(Tok, diag::err_expected_lparen_after_type)
                          << DS.getSourceRange());
 
@@ -1122,6 +1127,7 @@ ExprResult Parser::ParseCastExpression(bool isUnaryExpression,
 ///       postfix-expression: [C99 6.5.2]
 ///         primary-expression
 ///         postfix-expression '[' expression ']'
+///         postfix-expression '[' braced-init-list ']'
 ///         postfix-expression '(' argument-expression-list[opt] ')'
 ///         postfix-expression '.' identifier
 ///         postfix-expression '->' identifier
@@ -1177,7 +1183,11 @@ Parser::ParsePostfixExpressionSuffix(ExprResult LHS) {
         return move(LHS);
           
       Loc = ConsumeBracket();
-      ExprResult Idx(ParseExpression());
+      ExprResult Idx;
+      if (getLang().CPlusPlus0x && Tok.is(tok::l_brace))
+        Idx = ParseBraceInitializer();
+      else
+        Idx = ParseExpression();
 
       SourceLocation RLoc = Tok.getLocation();
 
@@ -2021,8 +2031,19 @@ ExprResult Parser::ParseGenericSelectionExpression() {
 ///         argument-expression-list , assignment-expression
 ///
 /// [C++] expression-list:
-/// [C++]   assignment-expression ...[opt]
-/// [C++]   expression-list , assignment-expression ...[opt]
+/// [C++]   assignment-expression
+/// [C++]   expression-list , assignment-expression
+///
+/// [C++0x] expression-list:
+/// [C++0x]   initializer-list
+///
+/// [C++0x] initializer-list
+/// [C++0x]   initializer-clause ...[opt]
+/// [C++0x]   initializer-list , initializer-clause ...[opt]
+///
+/// [C++0x] initializer-clause:
+/// [C++0x]   assignment-expression
+/// [C++0x]   braced-init-list
 ///
 bool Parser::ParseExpressionList(llvm::SmallVectorImpl<Expr*> &Exprs,
                             llvm::SmallVectorImpl<SourceLocation> &CommaLocs,
@@ -2039,8 +2060,13 @@ bool Parser::ParseExpressionList(llvm::SmallVectorImpl<Expr*> &Exprs,
         Actions.CodeCompleteOrdinaryName(getCurScope(), Sema::PCC_Expression);
       ConsumeCodeCompletionToken();
     }
-    
-    ExprResult Expr(ParseAssignmentExpression());
+
+    ExprResult Expr;
+    if (getLang().CPlusPlus0x && Tok.is(tok::l_brace))
+      Expr = ParseBraceInitializer();
+    else
+      Expr = ParseAssignmentExpression();
+
     if (Tok.is(tok::ellipsis))
       Expr = Actions.ActOnPackExpansion(Expr.get(), ConsumeToken());    
     if (Expr.isInvalid())