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https://github.com/c64scene-ar/llvm-6502.git
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93c65e6e66
Introduce a variable in the AsmParserExtension whether [] is valid in an expression. If it is true, parse them like (). Enable this for ELF only. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126443 91177308-0d34-0410-b5e6-96231b3b80d8
81 lines
2.4 KiB
C++
81 lines
2.4 KiB
C++
//===-- llvm/MC/MCAsmParserExtension.h - Asm Parser Hooks -------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_MC_MCASMPARSEREXTENSION_H
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#define LLVM_MC_MCASMPARSEREXTENSION_H
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#include "llvm/MC/MCParser/MCAsmParser.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Support/SMLoc.h"
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namespace llvm {
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class Twine;
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/// \brief Generic interface for extending the MCAsmParser,
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/// which is implemented by target and object file assembly parser
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/// implementations.
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class MCAsmParserExtension {
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MCAsmParserExtension(const MCAsmParserExtension &); // DO NOT IMPLEMENT
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void operator=(const MCAsmParserExtension &); // DO NOT IMPLEMENT
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MCAsmParser *Parser;
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protected:
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MCAsmParserExtension();
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// Helper template for implementing static dispatch functions.
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template<typename T, bool (T::*Handler)(StringRef, SMLoc)>
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static bool HandleDirective(MCAsmParserExtension *Target,
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StringRef Directive,
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SMLoc DirectiveLoc) {
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T *Obj = static_cast<T*>(Target);
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return (Obj->*Handler)(Directive, DirectiveLoc);
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}
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bool BracketExpressionsSupported;
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public:
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virtual ~MCAsmParserExtension();
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/// \brief Initialize the extension for parsing using the given \arg
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/// Parser. The extension should use the AsmParser interfaces to register its
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/// parsing routines.
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virtual void Initialize(MCAsmParser &Parser);
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/// @name MCAsmParser Proxy Interfaces
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/// @{
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MCContext &getContext() { return getParser().getContext(); }
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MCAsmLexer &getLexer() { return getParser().getLexer(); }
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MCAsmParser &getParser() { return *Parser; }
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SourceMgr &getSourceManager() { return getParser().getSourceManager(); }
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MCStreamer &getStreamer() { return getParser().getStreamer(); }
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void Warning(SMLoc L, const Twine &Msg) {
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return getParser().Warning(L, Msg);
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}
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bool Error(SMLoc L, const Twine &Msg) {
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return getParser().Error(L, Msg);
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}
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bool TokError(const Twine &Msg) {
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return getParser().TokError(Msg);
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}
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const AsmToken &Lex() { return getParser().Lex(); }
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const AsmToken &getTok() { return getParser().getTok(); }
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bool HasBracketExpressions() const { return BracketExpressionsSupported; }
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/// @}
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};
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} // End llvm namespace
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#endif
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