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, makeArrayRef(StringVals));
26 }
27 
28 Error MSP430AttributeParser::parseCodeModel(AttrType Tag) {
29   static const char *StringVals[] = {"None", "Small", "Large"};
30   return parseStringAttribute("Code Model", Tag, makeArrayRef(StringVals));
31 }
32 
33 Error MSP430AttributeParser::parseDataModel(AttrType Tag) {
34   static const char *StringVals[] = {"None", "Small", "Large", "Restricted"};
35   return parseStringAttribute("Data Model", Tag, makeArrayRef(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, makeArrayRef(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 }
55