Add parsing and AST support for GNU "typeof".
Many small changes to lot's of files.
Still some FIXME's, however the basic support is in place.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@40631 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/AST/ASTContext.cpp b/AST/ASTContext.cpp
index a9fb81f..6f71651 100644
--- a/AST/ASTContext.cpp
+++ b/AST/ASTContext.cpp
@@ -584,6 +584,18 @@
   return QualType(Decl->TypeForDecl, 0);
 }
 
+QualType ASTContext::getTypeOfType(Expr *tofExpr) {
+  QualType Canonical = tofExpr->getType().getCanonicalType();
+  // Note: TypeOfExpr's aren't uniqued.
+  return QualType(new TypeOfExpr(tofExpr, Canonical), 0);
+}
+
+QualType ASTContext::getTypeOfType(QualType tofType) {
+  QualType Canonical = tofType.getCanonicalType();
+  // Note: TypeOfType's aren't uniqued.
+  return QualType(new TypeOfType(tofType, Canonical), 0);
+}
+
 /// getTagDeclType - Return the unique reference to the type for the
 /// specified TagDecl (struct/union/class/enum) decl.
 QualType ASTContext::getTagDeclType(TagDecl *Decl) {