llvm/llvm/lib/BinaryFormat/MsgPackDocumentYAML.cpp

//===-- MsgPackDocumentYAML.cpp - MsgPack Document YAML interface -------*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
/// This file implements YAMLIO on a msgpack::Document.
//
//===----------------------------------------------------------------------===//

#include "llvm/BinaryFormat/MsgPackDocument.h"
#include "llvm/Support/YAMLTraits.h"

usingnamespacellvm;
usingnamespacemsgpack;

namespace {

// Struct used to represent scalar node. (MapDocNode and ArrayDocNode already
// exist in MsgPackDocument.h.)
struct ScalarDocNode : DocNode { … };

} // namespace

/// Convert this DocNode to a string, assuming it is scalar.
std::string DocNode::toString() const { … }

/// Convert the StringRef and use it to set this DocNode (assuming scalar). If
/// it is a string, copy the string into the Document's strings list so we do
/// not rely on S having a lifetime beyond this call. Tag is "" or a YAML tag.
StringRef DocNode::fromString(StringRef S, StringRef Tag) { … }

/// Get the YAML tag for this ScalarDocNode. This normally returns ""; it only
/// returns something else if the result of toString would be ambiguous, e.g.
/// a string that parses as a number or boolean.
StringRef ScalarDocNode::getYAMLTag() const { … }

namespace llvm {
namespace yaml {

/// YAMLIO for DocNode
template <> struct PolymorphicTraits<DocNode> { … };

/// YAMLIO for ScalarDocNode
template <> struct TaggedScalarTraits<ScalarDocNode> { … };

/// YAMLIO for MapDocNode
template <> struct CustomMappingTraits<MapDocNode> { … };

/// YAMLIO for ArrayNode
template <> struct SequenceTraits<ArrayDocNode> { … };

} // namespace yaml
} // namespace llvm

/// Convert MsgPack Document to YAML text.
void msgpack::Document::toYAML(raw_ostream &OS) { … }

/// Read YAML text into the MsgPack document. Returns false on failure.
bool msgpack::Document::fromYAML(StringRef S) { … }