Files
revng-revng/include/revng/Pipes/StringBufferContainer.h
2025-07-23 11:38:53 +02:00

109 lines
2.9 KiB
C++

#pragma once
//
// This file is distributed under the MIT License. See LICENSE.md for details.
//
#include <optional>
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Signals.h"
#include "llvm/Support/raw_ostream.h"
#include "revng/Pipeline/ContainerSet.h"
#include "revng/Pipeline/LLVMContainerFactory.h"
#include "revng/Pipeline/Target.h"
#include "revng/Pipes/Kinds.h"
#include "revng/Support/Assert.h"
namespace revng::pipes {
template<pipeline::SingleElementKind *K,
const char *TypeName,
const char *MIME,
const char *Suffix>
class StringBufferContainer
: public pipeline::Container<
StringBufferContainer<K, TypeName, MIME, Suffix>> {
private:
std::string Content;
public:
inline static char ID = '0';
inline static const llvm::StringRef MIMEType = MIME;
inline static const char *Name = TypeName;
StringBufferContainer(llvm::StringRef Name,
std::string &&StartingContent = {}) :
pipeline::Container<StringBufferContainer>(Name),
Content(std::move(StartingContent)) {}
std::unique_ptr<pipeline::ContainerBase>
cloneFiltered(const pipeline::TargetsList &Container) const final {
if (not Container.contains(getOnlyPossibleTarget()))
return std::make_unique<StringBufferContainer>(this->name());
return std::make_unique<StringBufferContainer>(*this);
}
pipeline::TargetsList enumerate() const final {
if (Content.empty())
return {};
return pipeline::TargetsList({ getOnlyPossibleTarget() });
}
bool removeImpl(const pipeline::TargetsList &Target) final {
auto NotFound = llvm::find(Target, getOnlyPossibleTarget()) == Target.end();
if (NotFound)
return false;
this->clear();
return true;
}
void setContent(std::string NewString) { Content = std::move(NewString); }
void clearImpl() override { *this = StringBufferContainer(this->name()); }
llvm::Error serialize(llvm::raw_ostream &OS) const override {
OS << Content;
OS.flush();
return llvm::Error::success();
}
llvm::Error deserializeImpl(const llvm::MemoryBuffer &Buffer) override {
Content = Buffer.getBuffer().str();
return llvm::Error::success();
}
llvm::Error extractOne(llvm::raw_ostream &OS,
const pipeline::Target &Target) const override {
revng_check(Target == getOnlyPossibleTarget());
return serialize(OS);
}
llvm::raw_string_ostream asStream() {
return llvm::raw_string_ostream(Content);
}
static std::vector<pipeline::Kind *> possibleKinds() { return { K }; }
public:
void dump() const debug_function { dbg << Content << "\n"; }
private:
void mergeBackImpl(StringBufferContainer &&Container) override {
if (Container.Content.empty())
return;
Content = std::move(Container.Content);
}
pipeline::Target getOnlyPossibleTarget() const {
return pipeline::Target({}, *K);
}
};
} // namespace revng::pipes