| 1 | //===- XCOFFAsmParser.cpp - XCOFF Assembly Parser |
|---|---|
| 2 | //-----------------------------===// |
| 3 | // |
| 4 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 5 | // See https://llvm.org/LICENSE.txt for license information. |
| 6 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | #include "llvm/BinaryFormat/XCOFF.h" |
| 11 | #include "llvm/MC/MCParser/MCAsmParser.h" |
| 12 | #include "llvm/MC/MCParser/MCAsmParserExtension.h" |
| 13 | |
| 14 | using namespace llvm; |
| 15 | |
| 16 | namespace { |
| 17 | |
| 18 | class XCOFFAsmParser : public MCAsmParserExtension { |
| 19 | MCAsmParser *Parser = nullptr; |
| 20 | MCAsmLexer *Lexer = nullptr; |
| 21 | |
| 22 | template <bool (XCOFFAsmParser::*HandlerMethod)(StringRef, SMLoc)> |
| 23 | void addDirectiveHandler(StringRef Directive) { |
| 24 | MCAsmParser::ExtensionDirectiveHandler Handler = |
| 25 | std::make_pair(this, HandleDirective<XCOFFAsmParser, HandlerMethod>); |
| 26 | |
| 27 | getParser().addDirectiveHandler(Directive, Handler); |
| 28 | } |
| 29 | |
| 30 | public: |
| 31 | XCOFFAsmParser() = default; |
| 32 | |
| 33 | void Initialize(MCAsmParser &P) override { |
| 34 | Parser = &P; |
| 35 | Lexer = &Parser->getLexer(); |
| 36 | // Call the base implementation. |
| 37 | MCAsmParserExtension::Initialize(Parser&: *Parser); |
| 38 | |
| 39 | addDirectiveHandler<&XCOFFAsmParser::ParseDirectiveCSect>(Directive: ".csect"); |
| 40 | } |
| 41 | bool ParseDirectiveCSect(StringRef, SMLoc); |
| 42 | }; |
| 43 | |
| 44 | } // end anonymous namespace |
| 45 | |
| 46 | namespace llvm { |
| 47 | |
| 48 | MCAsmParserExtension *createXCOFFAsmParser() { return new XCOFFAsmParser; } |
| 49 | |
| 50 | } // end namespace llvm |
| 51 | |
| 52 | // .csect QualName [, Number ] |
| 53 | bool XCOFFAsmParser::ParseDirectiveCSect(StringRef, SMLoc) { |
| 54 | report_fatal_error(reason: "XCOFFAsmParser directive not yet supported!"); |
| 55 | return false; |
| 56 | } |
| 57 |