Attributes which accept a type as their sole argument are no longer hard coded into the parser. Instead, they are automatically listed through tablegen.
llvm-svn: 193989
diff --git a/clang/utils/TableGen/ClangAttrEmitter.cpp b/clang/utils/TableGen/ClangAttrEmitter.cpp
index 2f758f2..653d7b7 100644
--- a/clang/utils/TableGen/ClangAttrEmitter.cpp
+++ b/clang/utils/TableGen/ClangAttrEmitter.cpp
@@ -1195,6 +1195,37 @@
.Default(false);
}
+/// \brief Emits the first-argument-is-type property for attributes.
+void EmitClangAttrTypeArgList(RecordKeeper &Records, raw_ostream &OS) {
+ emitSourceFileHeader("llvm::StringSwitch code to match attributes with a "
+ "type argument", OS);
+
+ std::vector<Record *> Attrs = Records.getAllDerivedDefinitions("Attr");
+
+ for (std::vector<Record *>::iterator I = Attrs.begin(), E = Attrs.end();
+ I != E; ++I) {
+ Record &Attr = **I;
+
+ // Determine whether the first argument is a type.
+ std::vector<Record *> Args = Attr.getValueAsListOfDefs("Args");
+ if (Args.empty())
+ continue;
+
+ if (Args[0]->getSuperClasses().back()->getName() != "TypeArgument")
+ continue;
+
+ // All these spellings take a single type argument.
+ std::vector<Record*> Spellings = Attr.getValueAsListOfDefs("Spellings");
+ std::set<std::string> Emitted;
+ for (std::vector<Record*>::const_iterator I = Spellings.begin(),
+ E = Spellings.end(); I != E; ++I) {
+ if (Emitted.insert((*I)->getValueAsString("Name")).second)
+ OS << ".Case(\"" << (*I)->getValueAsString("Name") << "\", "
+ << "true" << ")\n";
+ }
+ }
+}
+
// Emits the first-argument-is-identifier property for attributes.
void EmitClangAttrIdentifierArgList(RecordKeeper &Records, raw_ostream &OS) {
emitSourceFileHeader("llvm::StringSwitch code to match attributes with "
diff --git a/clang/utils/TableGen/TableGen.cpp b/clang/utils/TableGen/TableGen.cpp
index d573ecc..0e45d81 100644
--- a/clang/utils/TableGen/TableGen.cpp
+++ b/clang/utils/TableGen/TableGen.cpp
@@ -25,6 +25,7 @@
enum ActionType {
GenClangAttrClasses,
GenClangAttrIdentifierArgList,
+ GenClangAttrTypeArgList,
GenClangAttrImpl,
GenClangAttrList,
GenClangAttrPCHRead,
@@ -64,6 +65,10 @@
"gen-clang-attr-identifier-arg-list",
"Generate a list of attributes that take an "
"identifier as their first argument"),
+ clEnumValN(GenClangAttrTypeArgList,
+ "gen-clang-attr-type-arg-list",
+ "Generate a list of attributes that take a type as their "
+ "first argument"),
clEnumValN(GenClangAttrImpl, "gen-clang-attr-impl",
"Generate clang attribute implementations"),
clEnumValN(GenClangAttrList, "gen-clang-attr-list",
@@ -145,6 +150,9 @@
case GenClangAttrIdentifierArgList:
EmitClangAttrIdentifierArgList(Records, OS);
break;
+ case GenClangAttrTypeArgList:
+ EmitClangAttrTypeArgList(Records, OS);
+ break;
case GenClangAttrImpl:
EmitClangAttrImpl(Records, OS);
break;
diff --git a/clang/utils/TableGen/TableGenBackends.h b/clang/utils/TableGen/TableGenBackends.h
index 426b015..8904287 100644
--- a/clang/utils/TableGen/TableGenBackends.h
+++ b/clang/utils/TableGen/TableGenBackends.h
@@ -31,6 +31,7 @@
void EmitClangAttrClass(RecordKeeper &Records, raw_ostream &OS);
void EmitClangAttrIdentifierArgList(RecordKeeper &Records, raw_ostream &OS);
+void EmitClangAttrTypeArgList(RecordKeeper &Records, raw_ostream &OS);
void EmitClangAttrImpl(RecordKeeper &Records, raw_ostream &OS);
void EmitClangAttrList(RecordKeeper &Records, raw_ostream &OS);
void EmitClangAttrPCHRead(RecordKeeper &Records, raw_ostream &OS);