xref: /freebsd-src/contrib/llvm-project/llvm/lib/Support/MSP430AttributeParser.cpp (revision 5e801ac66d24704442eba426ed13c3effb8a34e7)
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/StringExtras.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 *StringVals[] = {"None", "MSP430", "MSP430X"};
24   return parseStringAttribute("ISA", Tag, makeArrayRef(StringVals));
25 }
26 
27 Error MSP430AttributeParser::parseCodeModel(AttrType Tag) {
28   static const char *StringVals[] = {"None", "Small", "Large"};
29   return parseStringAttribute("Code Model", Tag, makeArrayRef(StringVals));
30 }
31 
32 Error MSP430AttributeParser::parseDataModel(AttrType Tag) {
33   static const char *StringVals[] = {"None", "Small", "Large", "Restricted"};
34   return parseStringAttribute("Data Model", Tag, makeArrayRef(StringVals));
35 }
36 
37 Error MSP430AttributeParser::parseEnumSize(AttrType Tag) {
38   static const char *StringVals[] = {"None", "Small", "Integer", "Don't Care"};
39   return parseStringAttribute("Enum Size", Tag, makeArrayRef(StringVals));
40 }
41 
42 Error MSP430AttributeParser::handler(uint64_t Tag, bool &Handled) {
43   Handled = false;
44   for (const DisplayHandler &Disp : DisplayRoutines) {
45     if (uint64_t(Disp.Attribute) != Tag)
46       continue;
47     if (Error E = (this->*Disp.Routine)(static_cast<AttrType>(Tag)))
48       return E;
49     Handled = true;
50     break;
51   }
52   return Error::success();
53 }
54