1//===- lib/MC/MCNullStreamer.cpp - Dummy Streamer Implementation ----------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "llvm/ADT/StringRef.h"
10#include "llvm/MC/MCDirectives.h"
11#include "llvm/MC/MCStreamer.h"
12namespace llvm {
13class MCContext;
14class MCExpr;
15class MCSection;
16class MCSymbol;
17} // namespace llvm
18
19using namespace llvm;
20
21namespace {
22
23class MCNullStreamer : public MCStreamer {
24public:
25 MCNullStreamer(MCContext &Context) : MCStreamer(Context) {}
26
27 /// @name MCStreamer Interface
28 /// @{
29
30 bool hasRawTextSupport() const override { return true; }
31 void emitRawTextImpl(StringRef String) override {}
32
33 bool emitSymbolAttribute(MCSymbol *Symbol, MCSymbolAttr Attribute) override {
34 return true;
35 }
36
37 void emitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
38 Align ByteAlignment) override {}
39 void emitSubsectionsViaSymbols() override {};
40 void beginCOFFSymbolDef(const MCSymbol *Symbol) override {}
41 void emitCOFFSymbolStorageClass(int StorageClass) override {}
42 void emitCOFFSymbolType(int Type) override {}
43 void endCOFFSymbolDef() override {}
44 void emitXCOFFSymbolLinkageWithVisibility(MCSymbol *Symbol,
45 MCSymbolAttr Linkage,
46 MCSymbolAttr Visibility) override {}
47};
48
49} // namespace
50
51MCStreamer *llvm::createNullStreamer(MCContext &Context) {
52 return new MCNullStreamer(Context);
53}
54