Implement support for the const and pure attributes.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57142 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaDeclAttr.cpp b/lib/Sema/SemaDeclAttr.cpp
index fd79a10..3ab0c91 100644
--- a/lib/Sema/SemaDeclAttr.cpp
+++ b/lib/Sema/SemaDeclAttr.cpp
@@ -717,6 +717,28 @@
d->addAttr(new NoThrowAttr());
}
+static void HandleConstAttr(Decl *d, const AttributeList &Attr, Sema &S) {
+ // check the attribute arguments.
+ if (Attr.getNumArgs() != 0) {
+ S.Diag(Attr.getLoc(), diag::err_attribute_wrong_number_arguments,
+ std::string("0"));
+ return;
+ }
+
+ d->addAttr(new ConstAttr());
+}
+
+static void HandlePureAttr(Decl *d, const AttributeList &Attr, Sema &S) {
+ // check the attribute arguments.
+ if (Attr.getNumArgs() != 0) {
+ S.Diag(Attr.getLoc(), diag::err_attribute_wrong_number_arguments,
+ std::string("0"));
+ return;
+ }
+
+ d->addAttr(new PureAttr());
+}
+
/// Handle __attribute__((format(type,idx,firstarg))) attributes
/// based on http://gcc.gnu.org/onlinedocs/gcc/Function-Attributes.html
static void HandleFormatAttr(Decl *d, const AttributeList &Attr, Sema &S) {
@@ -1118,6 +1140,8 @@
case AttributeList::AT_objc_gc: HandleObjCGCAttr (D, Attr, S); break;
case AttributeList::AT_blocks: HandleBlocksAttr (D, Attr, S); break;
case AttributeList::AT_sentinel: HandleSentinelAttr (D, Attr, S); break;
+ case AttributeList::AT_const: HandleConstAttr (D, Attr, S); break;
+ case AttributeList::AT_pure: HandlePureAttr (D, Attr, S); break;
default:
#if 0
// TODO: when we have the full set of attributes, warn about unknown ones.