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
  12 using namespace llvm;
  13 using namespace llvm::MSP430Attrs;
  14
  15 constexpr std::array<MSP430AttributeParser::DisplayHandler, 4>
  16     MSP430AttributeParser::DisplayRoutines{
  17         {{MSP430Attrs::TagISA, &MSP430AttributeParser::parseISA},
  18          {MSP430Attrs::TagCodeModel, &MSP430AttributeParser::parseCodeModel},
  19          {MSP430Attrs::TagDataModel, &MSP430AttributeParser::parseDataModel},
  20          {MSP430Attrs::TagEnumSize, &MSP430AttributeParser::parseEnumSize}}};
  21
  22 Error MSP430AttributeParser::parseISA(AttrType Tag) {
  23   static const char *const StringVals[] = {"None", "MSP430", "MSP430X"};
  24   return parseStringAttribute("ISA", Tag, ArrayRef(StringVals));
  25 }
  26
  27 Error MSP430AttributeParser::parseCodeModel(AttrType Tag) {
  28   static const char *const StringVals[] = {"None", "Small", "Large"};
  29   return parseStringAttribute("Code Model", Tag, ArrayRef(StringVals));
  30 }
  31
  32 Error MSP430AttributeParser::parseDataModel(AttrType Tag) {
  33   static const char *const StringVals[] = {"None", "Small", "Large",
  34                                            "Restricted"};
  35   return parseStringAttribute("Data Model", Tag, ArrayRef(StringVals));
  36 }
  37
  38 Error MSP430AttributeParser::parseEnumSize(AttrType Tag) {
  39   static const char *const StringVals[] = {"None", "Small", "Integer",
  40                                            "Don't Care"};
  41   return parseStringAttribute("Enum Size", Tag, ArrayRef(StringVals));
  42 }
  43
  44 Error MSP430AttributeParser::handler(uint64_t Tag, bool &Handled) {
  45   Handled = false;
  46   for (const DisplayHandler &Disp : DisplayRoutines) {
  47     if (uint64_t(Disp.Attribute) != Tag)
  48       continue;
  49     if (Error E = (this->*Disp.Routine)(static_cast<AttrType>(Tag)))
  50       return E;
  51     Handled = true;
  52     break;
  53   }
  54   return Error::success();
  55 }