xref: /freebsd/contrib/llvm-project/llvm/lib/MC/MCParser/XCOFFAsmParser.cpp (revision 5956d97f4b3204318ceb6aa9c77bd0bc6ea87a41)
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/MCContext.h"
12 #include "llvm/MC/MCParser/MCAsmLexer.h"
13 #include "llvm/MC/MCParser/MCAsmParser.h"
14 #include "llvm/MC/MCParser/MCAsmParserExtension.h"
15 #include "llvm/MC/MCSectionXCOFF.h"
16 #include "llvm/MC/MCStreamer.h"
17 #include "llvm/MC/MCSymbol.h"
18 #include "llvm/MC/MCSymbolXCOFF.h"
19 #include "llvm/Support/MachineValueType.h"
20 
21 using namespace llvm;
22 
23 namespace {
24 
25 class XCOFFAsmParser : public MCAsmParserExtension {
26   MCAsmParser *Parser = nullptr;
27   MCAsmLexer *Lexer = nullptr;
28 
29   template <bool (XCOFFAsmParser::*HandlerMethod)(StringRef, SMLoc)>
30   void addDirectiveHandler(StringRef Directive) {
31     MCAsmParser::ExtensionDirectiveHandler Handler =
32         std::make_pair(this, HandleDirective<XCOFFAsmParser, HandlerMethod>);
33 
34     getParser().addDirectiveHandler(Directive, Handler);
35   }
36 
37 public:
38   XCOFFAsmParser() {}
39 
40   void Initialize(MCAsmParser &P) override {
41     Parser = &P;
42     Lexer = &Parser->getLexer();
43     // Call the base implementation.
44     MCAsmParserExtension::Initialize(*Parser);
45 
46     addDirectiveHandler<&XCOFFAsmParser::ParseDirectiveCSect>(".csect");
47   }
48   bool ParseDirectiveCSect(StringRef, SMLoc);
49 };
50 
51 } // end anonymous namespace
52 
53 namespace llvm {
54 
55 MCAsmParserExtension *createXCOFFAsmParser() { return new XCOFFAsmParser; }
56 
57 } // end namespace llvm
58 
59 // .csect QualName [, Number ]
60 bool XCOFFAsmParser::ParseDirectiveCSect(StringRef, SMLoc) {
61   report_fatal_error("XCOFFAsmParser directive not yet supported!");
62   return false;
63 }
64