@syntest/search/dist/lib/objective/managers/StructuralObjectiveManager.js

The common core of the SynTest Framework

"use strict";
/*
 * Copyright 2020-2021 Delft University of Technology and SynTest contributors
 *
 * This file is part of SynTest Framework - SynTest Core.
 *
 * 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.
 */
Object.defineProperty(exports, "__esModule", { value: true });
exports.StructuralObjectiveManager = void 0;
const ArchiveBasedObjectiveManager_1 = require("./ArchiveBasedObjectiveManager");
const ObjectiveManager_1 = require("./ObjectiveManager");
/**
 * Objective manager that only evaluates an encoding on currently reachable and covered objectives.
 *
 * @author Mitchell Olsthoorn
 */
class StructuralObjectiveManager extends ArchiveBasedObjectiveManager_1.ArchiveBasedObjectiveManager {
    /**
     * @inheritDoc
     * @protected
     */
    _updateObjectives(objectiveFunction) {
        ObjectiveManager_1.ObjectiveManager.LOGGER.debug("updating objectives");
        ObjectiveManager_1.ObjectiveManager.LOGGER.debug(`covered: ${objectiveFunction.getIdentifier()}`);
        // Remove objective from the current and uncovered objectives
        this._uncoveredObjectives.delete(objectiveFunction);
        // If the objective is a control flow based objective, set the shallow flag
        // This will make sure that the objective is not fully evaluated on the encoding
        objectiveFunction.shallow = true;
        // Add objective to the covered objectives
        this._coveredObjectives.add(objectiveFunction);
        // Add the child objectives to the current objectives
        for (const objective of this._subject.getChildObjectives(objectiveFunction)) {
            if (!this._coveredObjectives.has(objective) &&
                !this._currentObjectives.has(objective)) {
                ObjectiveManager_1.ObjectiveManager.LOGGER.debug(`adding new objective: ${objective.getIdentifier()}`);
                this._currentObjectives.add(objective);
            }
        }
        return [];
    }
    /**
     * @inheritDoc
     */
    load(subject) {
        // Set the subject
        this._subject = subject;
        // Reset the objective manager
        this._reset();
        // Add all objectives to the uncovered objectives
        const objectives = subject.getObjectives();
        for (const objective of objectives) {
            this._uncoveredObjectives.add(objective);
        }
        // Set the current objectives
        const rootObjectiveIds = this._subject.cfg.functions.map((g) => g.id);
        let rootObjectives = [];
        for (const id of rootObjectiveIds) {
            rootObjectives = [
                ...rootObjectives,
                ...this._subject
                    .getObjectives()
                    .filter((objective) => objective.getIdentifier() === id),
            ];
        }
        for (const objective of rootObjectives) {
            ObjectiveManager_1.ObjectiveManager.LOGGER.debug(`adding root objective: ${objective.getIdentifier()}`);
            this._currentObjectives.add(objective);
        }
    }
}
exports.StructuralObjectiveManager = StructuralObjectiveManager;
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