llvm/lib/Support/MSP430AttributeParser.cpp

   1 //===-- MSP430AttributeParser.cpp - MSP430 Attribute Parser ---------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "llvm/Support/MSP430AttributeParser.h"
  10 #include "llvm/ADT/ArrayRef.h"
  11 #include "llvm/Support/ErrorHandling.h"
  12
  13 using namespace llvm;
  14 using namespace llvm::MSP430Attrs;
  15
  16 constexpr std::array<MSP430AttributeParser::DisplayHandler, 4>
  17     MSP430AttributeParser::DisplayRoutines{
  18         {{MSP430Attrs::TagISA, &MSP430AttributeParser::parseISA},
  19          {MSP430Attrs::TagCodeModel, &MSP430AttributeParser::parseCodeModel},
  20          {MSP430Attrs::TagDataModel, &MSP430AttributeParser::parseDataModel},
  21          {MSP430Attrs::TagEnumSize, &MSP430AttributeParser::parseEnumSize}}};
  22
  23 Error MSP430AttributeParser::parseISA(AttrType Tag) {
  24   static const char *StringVals[] = {"None", "MSP430", "MSP430X"};
  25   return parseStringAttribute("ISA", Tag, ArrayRef(StringVals));
  26 }
  27
  28 Error MSP430AttributeParser::parseCodeModel(AttrType Tag) {
  29   static const char *StringVals[] = {"None", "Small", "Large"};
  30   return parseStringAttribute("Code Model", Tag, ArrayRef(StringVals));
  31 }
  32
  33 Error MSP430AttributeParser::parseDataModel(AttrType Tag) {
  34   static const char *StringVals[] = {"None", "Small", "Large", "Restricted"};
  35   return parseStringAttribute("Data Model", Tag, ArrayRef(StringVals));
  36 }
  37
  38 Error MSP430AttributeParser::parseEnumSize(AttrType Tag) {
  39   static const char *StringVals[] = {"None", "Small", "Integer", "Don't Care"};
  40   return parseStringAttribute("Enum Size", Tag, ArrayRef(StringVals));
  41 }
  42
  43 Error MSP430AttributeParser::handler(uint64_t Tag, bool &Handled) {
  44   Handled = false;
  45   for (const DisplayHandler &Disp : DisplayRoutines) {
  46     if (uint64_t(Disp.Attribute) != Tag)
  47       continue;
  48     if (Error E = (this->*Disp.Routine)(static_cast<AttrType>(Tag)))
  49       return E;
  50     Handled = true;
  51     break;
  52   }
  53   return Error::success();
  54 }