xref: /llvm-project/llvm/lib/Support/MSP430AttributeParser.cpp (revision d44ea7186befe38eb2b3804b15cd1ee1777458ed)
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 }
56