@eagleoutice/flowr/queries/two-layer-collector.js

Static Dataflow Analyzer and Program Slicer for the R Programming Language

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.TwoLayerCollector = void 0;
/** two layer map abstraction */
class TwoLayerCollector {
    store = new Map();
    add(layer1, layer2, value) {
        let layer2Map = this.store.get(layer1);
        if (layer2Map === undefined) {
            layer2Map = new Map();
            this.store.set(layer1, layer2Map);
        }
        let values = layer2Map.get(layer2);
        if (values === undefined) {
            values = [];
            layer2Map.set(layer2, values);
        }
        values.push(value);
    }
    get(layer1, layer2) {
        return this.store.get(layer1)?.get(layer2);
    }
    outerKeys() {
        return this.store.keys();
    }
    innerKeys(layer1) {
        return this.store.get(layer1)?.keys() ?? [];
    }
}
exports.TwoLayerCollector = TwoLayerCollector;
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