[MLIR][TblGen] add AttrOrTypeCAPIGen

mlir/tools/mlir-tblgen/AttrOrTypeCAPIGen.cpp

@@ -0,0 +1,50 @@
+//===- AttrOrTypeCAPIGen.cpp - MLIR Attribute and Type CAPI generation ----===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "mlir/TableGen/GenInfo.h"
+#include "mlir/TableGen/Pass.h"
+#include "llvm/ADT/StringExtras.h"
+#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/FormatVariadic.h"
+#include "llvm/TableGen/Error.h"
+#include "llvm/TableGen/Record.h"
+
+using namespace mlir;
+using namespace mlir::tblgen;
+using llvm::formatv;
+using llvm::RecordKeeper;
+
+static llvm::cl::OptionCategory
+    passGenCat("Options for -gen-attr-or-type-capi-header and "
+               "-gen-attr-or-type-capi-impl");
+
+const char *const gettorDecl = R"(
+MLIR_CAPI_EXPORTED MlirType mlir{0}TypeGet({1});
+
+)";
+
+const char *const gettorDefn = R"(
+MLIR_CAPI_EXPORTED MlirType mlir{0}TypeGet({1})
+{
+  return wrap({0}Type::get({2}));
+}
+
+)";
+
+static bool emitCAPIHeader(const RecordKeeper &records, raw_ostream &os) {}
+
+static bool emitCAPIImpl(const RecordKeeper &records, raw_ostream &os) {}
+
+static mlir::GenRegistration
+    genCAPIHeader("gen-attr-or-type-capi-header",
+                  "Generate Attribute or Type C API header", &emitCAPIHeader);
+
+static mlir::GenRegistration
+    genCAPIImpl("gen-attr-or-type-capi-impl",
+                "Generate Attribute or Type C API implementation",
+                &emitCAPIImpl);

mlir/tools/mlir-tblgen/CMakeLists.txt

@@ -8,6 +8,7 @@ set(LLVM_LINK_COMPONENTS
 add_tablegen(mlir-tblgen MLIR
   DESTINATION "${MLIR_TOOLS_INSTALL_DIR}"
   EXPORT MLIR
+  AttrOrTypeCAPIGen.cpp
   AttrOrTypeDefGen.cpp
   AttrOrTypeFormatGen.cpp
   BytecodeDialectGen.cpp