Introduce a new code-completion context for a parenthesized

expression, e.g., after the '(' that could also be a type cast. Here,
we provide types as code-completion results in C/Objective-C (C++
already had them), although we wouldn't in a normal expression context.

llvm-svn: 113904

1 files changed, 8 insertions, 0 deletions

diff --git a/clang/lib/Parse/ParseExpr.cpp b/clang/lib/Parse/ParseExpr.cpp
index 1c2b343141d..4ee924543a6 100644
--- a/clang/lib/Parse/ParseExpr.cpp
+++ b/clang/lib/Parse/ParseExpr.cpp
@@ -1452,6 +1452,14 @@ Parser::ParseParenExpression(ParenParseOption &ExprType, bool stopIfCastExpr,
   bool isAmbiguousTypeId;
   CastTy = ParsedType();
 
+  if (Tok.is(tok::code_completion)) {
+    Actions.CodeCompleteOrdinaryName(getCurScope(), 
+                 ExprType >= CompoundLiteral? Sema::PCC_ParenthesizedExpression
+                                            : Sema::PCC_Expression);
+    ConsumeCodeCompletionToken();
+    return ExprError();
+  }
+  
   if (ExprType >= CompoundStmt && Tok.is(tok::l_brace)) {
     Diag(Tok, diag::ext_gnu_statement_expr);
     StmtResult Stmt(ParseCompoundStatement(0, true));