llvm-project/llvm/lib/Support/MSP430AttributeParser.cpp

55 lines
2.1 KiB
C++

//===-- MSP430AttributeParser.cpp - MSP430 Attribute Parser ---------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "llvm/Support/MSP430AttributeParser.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/Support/ErrorHandling.h"
using namespace llvm;
using namespace llvm::MSP430Attrs;
constexpr std::array<MSP430AttributeParser::DisplayHandler, 4>
MSP430AttributeParser::DisplayRoutines{
{{MSP430Attrs::TagISA, &MSP430AttributeParser::parseISA},
{MSP430Attrs::TagCodeModel, &MSP430AttributeParser::parseCodeModel},
{MSP430Attrs::TagDataModel, &MSP430AttributeParser::parseDataModel},
{MSP430Attrs::TagEnumSize, &MSP430AttributeParser::parseEnumSize}}};
Error MSP430AttributeParser::parseISA(AttrType Tag) {
static const char *StringVals[] = {"None", "MSP430", "MSP430X"};
return parseStringAttribute("ISA", Tag, makeArrayRef(StringVals));
}
Error MSP430AttributeParser::parseCodeModel(AttrType Tag) {
static const char *StringVals[] = {"None", "Small", "Large"};
return parseStringAttribute("Code Model", Tag, makeArrayRef(StringVals));
}
Error MSP430AttributeParser::parseDataModel(AttrType Tag) {
static const char *StringVals[] = {"None", "Small", "Large", "Restricted"};
return parseStringAttribute("Data Model", Tag, makeArrayRef(StringVals));
}
Error MSP430AttributeParser::parseEnumSize(AttrType Tag) {
static const char *StringVals[] = {"None", "Small", "Integer", "Don't Care"};
return parseStringAttribute("Enum Size", Tag, makeArrayRef(StringVals));
}
Error MSP430AttributeParser::handler(uint64_t Tag, bool &Handled) {
Handled = false;
for (const DisplayHandler &Disp : DisplayRoutines) {
if (uint64_t(Disp.Attribute) != Tag)
continue;
if (Error E = (this->*Disp.Routine)(static_cast<AttrType>(Tag)))
return E;
Handled = true;
break;
}
return Error::success();
}