vendor/llvm-project/llvmorg-14-init-10186-gff7f2cfa959b

1 files changed, 53 insertions, 0 deletions

diff --git a/llvm/lib/Support/MSP430AttributeParser.cpp b/llvm/lib/Support/MSP430AttributeParser.cpp
new file mode 100644
index 000000000000..a9948a158fc0
--- /dev/null
+++ b/llvm/lib/Support/MSP430AttributeParser.cpp
@@ -0,0 +1,53 @@
+//===-- MSP430AttributeParser.cpp - MSP430 Attribute Parser ---------------===//
+//
+// 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 "llvm/Support/MSP430AttributeParser.h"
+#include "llvm/ADT/StringExtras.h"
+
+using namespace llvm;
+using namespace llvm::MSP430Attrs;
+
+constexpr std::array<MSP430AttributeParser::DisplayHandler, 4>
+    MSP430AttributeParser::DisplayRoutines{
+        {{MSP430Attrs::TagISA, &MSP430AttributeParser::parseISA},
+         {MSP430Attrs::TagCodeModel, &MSP430AttributeParser::parseCodeModel},
+         {MSP430Attrs::TagDataModel, &MSP430AttributeParser::parseDataModel},
+         {MSP430Attrs::TagEnumSize, &MSP430AttributeParser::parseEnumSize}}};
+
+Error MSP430AttributeParser::parseISA(AttrType Tag) {
+  static const char *StringVals[] = {"None", "MSP430", "MSP430X"};
+  return parseStringAttribute("ISA", Tag, makeArrayRef(StringVals));
+}
+
+Error MSP430AttributeParser::parseCodeModel(AttrType Tag) {
+  static const char *StringVals[] = {"None", "Small", "Large"};
+  return parseStringAttribute("Code Model", Tag, makeArrayRef(StringVals));
+}
+
+Error MSP430AttributeParser::parseDataModel(AttrType Tag) {
+  static const char *StringVals[] = {"None", "Small", "Large", "Restricted"};
+  return parseStringAttribute("Data Model", Tag, makeArrayRef(StringVals));
+}
+
+Error MSP430AttributeParser::parseEnumSize(AttrType Tag) {
+  static const char *StringVals[] = {"None", "Small", "Integer", "Don't Care"};
+  return parseStringAttribute("Enum Size", Tag, makeArrayRef(StringVals));
+}
+
+Error MSP430AttributeParser::handler(uint64_t Tag, bool &Handled) {
+  Handled = false;
+  for (const DisplayHandler &Disp : DisplayRoutines) {
+    if (uint64_t(Disp.Attribute) != Tag)
+      continue;
+    if (Error E = (this->*Disp.Routine)(static_cast<AttrType>(Tag)))
+      return E;
+    Handled = true;
+    break;
+  }
+  return Error::success();
+}