ebpf/psa/backend.h

/*
 * SPDX-FileCopyrightText: 2022 Open Networking Foundation
 * SPDX-FileCopyrightText: 2022 Orange
 *
 * SPDX-License-Identifier: Apache-2.0
 */
#ifndef BACKENDS_EBPF_PSA_BACKEND_H_
#define BACKENDS_EBPF_PSA_BACKEND_H_
 
#include "ebpfPsaGen.h"
 
namespace P4::EBPF {
 
class PSASwitchBackend {
 public:
    const EbpfOptions &options;
    P4::ReferenceMap *refMap;
    P4::TypeMap *typeMap;
    P4::P4CoreLibrary &corelib;
    const IR::ToplevelBlock *toplevel = nullptr;
 
    Target *target;
    const PSAEbpfGenerator *ebpf_program = nullptr;
 
    PSASwitchBackend(const EbpfOptions &options, Target *target, P4::ReferenceMap *refMap,
                     P4::TypeMap *typeMap)
        : options(options),
          refMap(refMap),
          typeMap(typeMap),
          corelib(P4::P4CoreLibrary::instance()),
          target(target) {
        refMap->setIsV1(options.isv1());
    }
 
    void convert(const IR::ToplevelBlock *tlb);
    void codegen(std::ostream &cstream) const {
        CodeBuilder c(target);
        // Instead of generating two files, put all the code in a single file.
        ebpf_program->emit(&c);
        cstream << c.toString();
    }
};
 
}  // namespace P4::EBPF
 
#endif /* BACKENDS_EBPF_PSA_BACKEND_H_ */