48 lines
1.3 KiB
C++
48 lines
1.3 KiB
C++
//===- llvm/CAS/CASNodeSchema.h ---------------------------------*- C++ -*-===//
|
|
//
|
|
// 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
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_CAS_CASNODESCHEMA_H
|
|
#define LLVM_CAS_CASNODESCHEMA_H
|
|
|
|
#include "llvm/CAS/CASReference.h"
|
|
#include "llvm/Support/Compiler.h"
|
|
#include "llvm/Support/ExtensibleRTTI.h"
|
|
|
|
namespace llvm::cas {
|
|
|
|
class ObjectProxy;
|
|
|
|
/// A base class for schemas built on top of CAS nodes.
|
|
class LLVM_ABI NodeSchema : public RTTIExtends<NodeSchema, RTTIRoot> {
|
|
void anchor() override;
|
|
|
|
public:
|
|
static char ID;
|
|
|
|
/// Check if \a Node is a root (entry node) for the schema. This is a strong
|
|
/// check, since it requires that the first reference matches a complete
|
|
/// type-id DAG.
|
|
virtual bool isRootNode(const cas::ObjectProxy &Node) const = 0;
|
|
|
|
/// Check if \a Node is a node for the schema. This can be any node that
|
|
/// belongs to the schema.
|
|
virtual bool isNode(const cas::ObjectProxy &Node) const = 0;
|
|
|
|
cas::ObjectStore &CAS;
|
|
|
|
protected:
|
|
NodeSchema(cas::ObjectStore &CAS) : CAS(CAS) {}
|
|
|
|
public:
|
|
virtual ~NodeSchema() = default;
|
|
};
|
|
|
|
} // namespace llvm::cas
|
|
|
|
#endif // LLVM_CAS_CASNODESCHEMA_H
|