XCOFFAsmParser.cpp

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//===- XCOFFAsmParser.cpp - XCOFF Assembly 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/BinaryFormat/XCOFF.h"
#include "llvm/MC/MCParser/MCAsmParser.h"
#include "llvm/MC/MCParser/MCAsmParserExtension.h"
 
using namespace llvm;
 
namespace {
 
class XCOFFAsmParser : public MCAsmParserExtension {
  MCAsmParser *Parser = nullptr;
  AsmLexer *Lexer = nullptr;
 
  template <bool (XCOFFAsmParser::*HandlerMethod)(StringRef, SMLoc)>
  void addDirectiveHandler(StringRef Directive) {
    MCAsmParser::ExtensionDirectiveHandler Handler =
        std::make_pair(this, HandleDirective<XCOFFAsmParser, HandlerMethod>);
 
    getParser().addDirectiveHandler(Directive, Handler);
  }
 
public:
  XCOFFAsmParser() = default;
 
  void Initialize(MCAsmParser &P) override {
    Parser = &P;
    Lexer = &Parser->getLexer();
    // Call the base implementation.
    MCAsmParserExtension::Initialize(*Parser);
 
    addDirectiveHandler<&XCOFFAsmParser::ParseDirectiveCSect>(".csect");
  }
  bool ParseDirectiveCSect(StringRef, SMLoc);
};
 
} // end anonymous namespace
 
namespace llvm {
 
MCAsmParserExtension *createXCOFFAsmParser() { return new XCOFFAsmParser; }
 
} // end namespace llvm
 
// .csect QualName [, Number ]
bool XCOFFAsmParser::ParseDirectiveCSect(StringRef, SMLoc) {
  report_fatal_error("XCOFFAsmParser directive not yet supported!");
  return false;
}