setHeaders.h

/*
 * Copyright 2017 VMware, Inc.
 * SPDX-FileCopyrightText: 2017 VMware, Inc.
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef FRONTENDS_P4_SETHEADERS_H_
#define FRONTENDS_P4_SETHEADERS_H_
 
#include "frontends/common/resolveReferences/resolveReferences.h"
#include "frontends/p4/typeChecking/typeChecker.h"
#include "ir/ir.h"
 
namespace P4 {
class DoSetHeaders final : public Transform {
    TypeMap *typeMap;
 
    bool containsHeaderType(const IR::Type *type);
    void generateSetValid(const IR::Expression *dest, const IR::Expression *src,
                          const IR::Type *destType, IR::Vector<IR::StatOrDecl> &insert);
 
 public:
    explicit DoSetHeaders(TypeMap *typeMap) : typeMap(typeMap) {
        CHECK_NULL(typeMap);
        setName("DoSetHeaders");
    }
    const IR::Node *postorder(IR::AssignmentStatement *assign) override;
};
 
class SetHeaders final : public PassManager {
 public:
    explicit SetHeaders(TypeMap *typeMap) {
        passes.push_back(new P4::TypeChecking(nullptr, typeMap));
        passes.push_back(new P4::DoSetHeaders(typeMap));
        setName("SetHeaders");
    }
};
 
}  // namespace P4
 
#endif /* FRONTENDS_P4_SETHEADERS_H_ */