expandEmit.h

/*
 * Copyright 2017 VMware, Inc.
 * SPDX-FileCopyrightText: 2017 VMware, Inc.
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef MIDEND_EXPANDEMIT_H_
#define MIDEND_EXPANDEMIT_H_
 
#include "frontends/common/resolveReferences/resolveReferences.h"
#include "frontends/p4/typeChecking/typeChecker.h"
#include "ir/ir.h"
 
namespace P4 {

class DoExpandEmit : public Transform, public ResolutionContext {
    TypeMap *typeMap;
 
 public:
    explicit DoExpandEmit(TypeMap *typeMap) : typeMap(typeMap) {
        CHECK_NULL(typeMap);
        setName("DoExpandEmit");
    }
    // return true if the expansion produced something "new"
    bool expandArg(const IR::Type *type, const IR::Argument *argument,
                   std::vector<const IR::Argument *> *result,
                   std::vector<const IR::Type *> *resultTypes);
    const IR::Node *postorder(IR::MethodCallStatement *statement) override;
};
 
class ExpandEmit : public PassManager {
 public:
    explicit ExpandEmit(TypeMap *typeMap, TypeChecking *typeChecking = nullptr) {
        setName("ExpandEmit");
        if (!typeChecking) typeChecking = new TypeChecking(nullptr, typeMap);
        passes.push_back(typeChecking);
        passes.push_back(new DoExpandEmit(typeMap));
    }
};
 
}  // namespace P4
 
#endif /* MIDEND_EXPANDEMIT_H_ */