hierarchicalNames.h

/*
Copyright 2017 VMware, Inc.
 
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 FRONTENDS_P4_HIERARCHICALNAMES_H_
#define FRONTENDS_P4_HIERARCHICALNAMES_H_
 
#include "ir/ir.h"
#include "ir/visitor.h"
 
namespace P4 {
 
class HierarchicalNames : public Modifier {
    std::vector<cstring> stack;
 
    cstring getName(const IR::IDeclaration *decl) const { return decl->getName(); }
 
 public:
    HierarchicalNames() {
        setName("HierarchicalNames");
        visitDagOnce = false;
    }
    bool preorder(IR::P4Parser *parser) override {
        stack.push_back(getName(parser));
        return true;
    }
    void postorder(IR::P4Parser *) override { stack.pop_back(); }
 
    bool preorder(IR::P4Control *control) override {
        stack.push_back(getName(control));
        return true;
    }
    void postorder(IR::P4Control *) override { stack.pop_back(); }
 
    bool preorder(IR::P4Table *table) override {
        visit(table->annotations);
        return false;
    }
 
    void postorder(IR::Annotation *annotation) override;
    // Do not change name annotations on parameters
    bool preorder(IR::Parameter *) override { return false; }
};
 
}  // namespace P4
 
#endif /* FRONTENDS_P4_HIERARCHICALNAMES_H_ */