diff options
Diffstat (limited to 'clang/lib/Sema/TreeTransform.h')
| -rw-r--r-- | clang/lib/Sema/TreeTransform.h | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/clang/lib/Sema/TreeTransform.h b/clang/lib/Sema/TreeTransform.h index 0892f966ac2eb..805fe6684205c 100644 --- a/clang/lib/Sema/TreeTransform.h +++ b/clang/lib/Sema/TreeTransform.h @@ -212,6 +212,14 @@ public: return T.isNull(); } + /// Transform a template parameter depth level. + /// + /// During a transformation that transforms template parameters, this maps + /// an old template parameter depth to a new depth. + unsigned TransformTemplateDepth(unsigned Depth) { + return Depth; + } + /// Determine whether the given call argument should be dropped, e.g., /// because it is a default argument. /// @@ -2527,8 +2535,9 @@ public: /// By default, performs semantic analysis to build the new expression. /// Subclasses may override this routine to provide different behavior. ExprResult RebuildStmtExpr(SourceLocation LParenLoc, Stmt *SubStmt, - SourceLocation RParenLoc) { - return getSema().ActOnStmtExpr(nullptr, LParenLoc, SubStmt, RParenLoc); + SourceLocation RParenLoc, unsigned TemplateDepth) { + return getSema().BuildStmtExpr(LParenLoc, SubStmt, RParenLoc, + TemplateDepth); } /// Build a new __builtin_choose_expr expression. @@ -10345,16 +10354,18 @@ TreeTransform<Derived>::TransformStmtExpr(StmtExpr *E) { return ExprError(); } - if (!getDerived().AlwaysRebuild() && + unsigned OldDepth = E->getTemplateDepth(); + unsigned NewDepth = getDerived().TransformTemplateDepth(OldDepth); + + if (!getDerived().AlwaysRebuild() && OldDepth == NewDepth && SubStmt.get() == E->getSubStmt()) { // Calling this an 'error' is unintuitive, but it does the right thing. SemaRef.ActOnStmtExprError(); return SemaRef.MaybeBindToTemporary(E); } - return getDerived().RebuildStmtExpr(E->getLParenLoc(), - SubStmt.get(), - E->getRParenLoc()); + return getDerived().RebuildStmtExpr(E->getLParenLoc(), SubStmt.get(), + E->getRParenLoc(), NewDepth); } template<typename Derived> |