Add a fixit suggest for missing case keywords inside a switch scope. For instance, in the following code, 'case ' will be suggested before the '1:'

switch (x) {
  1: return 0;
  default: return 1;
}



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129943 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 8 insertions, 0 deletions

diff --git a/lib/Sema/SemaExpr.cpp b/lib/Sema/SemaExpr.cpp
index 8eb0177046..0e0bf435b2 100644
--- a/lib/Sema/SemaExpr.cpp
+++ b/lib/Sema/SemaExpr.cpp
@@ -10734,3 +10734,11 @@ ExprResult Sema::CheckPlaceholderExpr(Expr *E) {
   assert(!type->isPlaceholderType());
   return Owned(E);
 }
+
+bool Sema::CheckCaseExpression(Expr *expr) {
+  if (expr->isTypeDependent())
+    return true;
+  if (expr->isValueDependent() || expr->isIntegerConstantExpr(Context))
+    return expr->getType()->isIntegralOrEnumerationType();
+  return false;
+}