Introduce the notion of 'ignored' attributes, so that all attributes
we accept are not modeled somehow via Attr.td.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155998 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/Basic/Attr.td b/include/clang/Basic/Attr.td
index 8708b6f..3638dea 100644
--- a/include/clang/Basic/Attr.td
+++ b/include/clang/Basic/Attr.td
@@ -99,6 +99,8 @@
bit ASTNode = 1;
// Set to true for attributes which have handler in Sema.
bit SemaHandler = 1;
+ // Set to true for attributes that are completely ignored.
+ bit Ignored = 0;
// Any additional text that should be included verbatim in the class.
code AdditionalMembers = [{}];
}
@@ -180,6 +182,13 @@
let Args = [EnumArgument<"Type", "BlockType", ["byref"], ["ByRef"]>];
}
+def Bounded : Attr {
+ let Spellings = ["bounded"];
+ let ASTNode = 0;
+ let SemaHandler = 0;
+ let Ignored = 1;
+}
+
def CarriesDependency : InheritableParamAttr {
let Spellings = ["carries_dependency"];
let Subjects = [ParmVar, Function];
@@ -627,6 +636,13 @@
let ASTNode = 0;
}
+def VecTypeHint : Attr {
+ let Spellings = ["vec_type_hint"];
+ let ASTNode = 0;
+ let SemaHandler = 0;
+ let Ignored = 1;
+}
+
def Visibility : InheritableAttr {
let Spellings = ["visibility"];
let Args = [EnumArgument<"Visibility", "VisibilityType",
diff --git a/lib/Sema/AttributeList.cpp b/lib/Sema/AttributeList.cpp
index dd478f2..cbd2ba4 100644
--- a/lib/Sema/AttributeList.cpp
+++ b/lib/Sema/AttributeList.cpp
@@ -107,7 +107,5 @@
return llvm::StringSwitch<AttributeList::Kind>(AttrName)
#include "clang/Sema/AttrParsedAttrKinds.inc"
- .Case("bounded", IgnoredAttribute) // OpenBSD
- .Case("vec_type_hint", IgnoredAttribute)
.Default(UnknownAttribute);
}
diff --git a/utils/TableGen/ClangAttrEmitter.cpp b/utils/TableGen/ClangAttrEmitter.cpp
index d3ba5a9..112d9a5 100644
--- a/utils/TableGen/ClangAttrEmitter.cpp
+++ b/utils/TableGen/ClangAttrEmitter.cpp
@@ -1093,19 +1093,23 @@
Record &Attr = **I;
bool SemaHandler = Attr.getValueAsBit("SemaHandler");
+ bool Ignored = Attr.getValueAsBit("Ignored");
- if (SemaHandler) {
+ if (SemaHandler || Ignored) {
std::vector<StringRef> Spellings =
getValueAsListOfStrings(Attr, "Spellings");
for (std::vector<StringRef>::const_iterator I = Spellings.begin(),
E = Spellings.end(); I != E; ++I) {
- StringRef AttrName = *I, Spelling = *I;
+ StringRef AttrName = *I, Spelling = *I;
- AttrName = NormalizeAttrName(AttrName);
- Spelling = NormalizeAttrSpelling(Spelling);
+ AttrName = NormalizeAttrName(AttrName);
+ Spelling = NormalizeAttrSpelling(Spelling);
- OS << ".Case(\"" << Spelling << "\", " << "AT_" << AttrName << ")\n";
+ if (SemaHandler)
+ OS << ".Case(\"" << Spelling << "\", " << "AT_" << AttrName << ")\n";
+ else
+ OS << ".Case(\"" << Spelling << "\", IgnoredAttribute)\n";
}
}
}
