ComponentType.h

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/*
 * Souffle - A Datalog Compiler
 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved
 * Licensed under the Universal Permissive License v 1.0 as shown at:
 * - https://opensource.org/licenses/UPL
 * - <souffle root>/licenses/SOUFFLE-UPL.txt
 */
 
/************************************************************************
 *
 * @file ComponentType.h
 *
 * Defines the component-type class
 *
 ***********************************************************************/
 
#pragma once
 
#include "ast/Node.h"
#include "ast/QualifiedName.h"
#include "parser/SrcLocation.h"
#include "souffle/utility/StreamUtil.h"
#include <ostream>
#include <string>
#include <utility>
#include <vector>
 
namespace souffle::ast {
 
/**
 * @class ComponentType
 * @brief Component type of a component
 *
 * Example:
 *    name < Type1, Type2, ... >
 * where name is the component name and < Type, Type, ... > is a
 * list of component type parameters (either actual or formal).
 */
class ComponentType : public Node {
public:
    ComponentType(std::string name = "", std::vector<QualifiedName> params = {}, SrcLocation loc = {})
            : Node(std::move(loc)), name(std::move(name)), typeParams(std::move(params)) {}
 
    /** Return component name */
    const std::string& getName() const {
        return name;
    }
 
    /** Set component name */
    void setName(std::string n) {
        name = std::move(n);
    }
 
    /** Return component type parameters */
    const std::vector<QualifiedName>& getTypeParameters() const {
        return typeParams;
    }
 
    /** Set component type parameters */
    void setTypeParameters(const std::vector<QualifiedName>& params) {
        typeParams = params;
    }
 
    ComponentType* clone() const override {
        return new ComponentType(name, typeParams, getSrcLoc());
    }
 
protected:
    void print(std::ostream& os) const override {
        os << name;
        if (!typeParams.empty()) {
            os << "<" << join(typeParams) << ">";
        }
    }
 
    bool equal(const Node& node) const override {
        const auto& other = static_cast<const ComponentType&>(node);
        return name == other.name && typeParams == other.typeParams;
    }
 
private:
    /** Component name */
    std::string name;
 
    /** Component type parameters */
    std::vector<QualifiedName> typeParams;
};
 
}  // namespace souffle::ast