first wave of fixes for @encode sema support. This is part of PR3648.
The big difference here is that (like string literal) @encode has
array type, not pointer type.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@65391 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/Expr.cpp b/lib/AST/Expr.cpp
index 3aea3e3..d551eac 100644
--- a/lib/AST/Expr.cpp
+++ b/lib/AST/Expr.cpp
@@ -478,7 +478,8 @@
// the type looks fine, now check the expression
switch (getStmtClass()) {
- case StringLiteralClass: // C99 6.5.1p4
+ case StringLiteralClass: // C99 6.5.1p4
+ case ObjCEncodeExprClass: // @encode behaves like its string in every way.
return LV_Valid;
case ArraySubscriptExprClass: // C99 6.5.3p4 (e1[e2] == (*((e1)+(e2))))
// For vectors, make sure base is an lvalue (i.e. not a function call).
@@ -829,6 +830,7 @@
switch (getStmtClass()) {
default: break;
case StringLiteralClass:
+ case ObjCEncodeExprClass:
return true;
case CompoundLiteralExprClass: {
// This handles gcc's extension that allows global initializers like
diff --git a/lib/AST/ExprConstant.cpp b/lib/AST/ExprConstant.cpp
index bfba598..65a107b 100644
--- a/lib/AST/ExprConstant.cpp
+++ b/lib/AST/ExprConstant.cpp
@@ -153,6 +153,7 @@
APValue VisitCompoundLiteralExpr(CompoundLiteralExpr *E);
APValue VisitMemberExpr(MemberExpr *E);
APValue VisitStringLiteral(StringLiteral *E) { return APValue(E, 0); }
+ APValue VisitObjCEncodeExpr(ObjCEncodeExpr *E) { return APValue(E, 0); }
APValue VisitArraySubscriptExpr(ArraySubscriptExpr *E);
APValue VisitUnaryDeref(UnaryOperator *E);
// FIXME: Missing: __extension__, __real__, __imag__, __builtin_choose_expr