ubpfRegister.h

/*
Copyright 2019 Orange
 
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
 
    http://www.apache.org/licenses/LICENSE-2.0
 
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
 
#ifndef BACKENDS_UBPF_UBPFREGISTER_H_
#define BACKENDS_UBPF_UBPFREGISTER_H_
 
#include "ubpfTable.h"
#include "ubpfType.h"
 
namespace P4::UBPF {
 
class UBPFRegister final : public UBPFTableBase {
 public:
    UBPFRegister(const UBPFProgram *program, const IR::ExternBlock *block, cstring name,
                 EBPF::CodeGenInspector *codeGen);
 
    void emitInstance(EBPF::CodeBuilder *builder);
    void emitRegisterRead(EBPF::CodeBuilder *builder, const IR::MethodCallExpression *expression);
    void emitRegisterWrite(EBPF::CodeBuilder *builder, const IR::MethodCallExpression *expression);
    void emitMethodInvocation(EBPF::CodeBuilder *builder, const P4::ExternMethod *method);
    void emitKeyInstance(EBPF::CodeBuilder *builder, const IR::MethodCallExpression *expression);
    cstring emitValueInstanceIfNeeded(EBPF::CodeBuilder *builder, const IR::Argument *arg_value);
};
 
}  // namespace P4::UBPF
 
#endif /* BACKENDS_UBPF_UBPFREGISTER_H_ */