@eagleoutice/flowr/r-bridge/parser.js

Static Dataflow Analyzer and Program Slicer for the R Programming Language

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.parseRequests = parseRequests;
function countChildren(node) {
    let ret = 1;
    for (const child of node.children) {
        ret += countChildren(child);
    }
    return ret;
}
/**
 * Takes an input program and parses it using the given parser.
 * @param _results - just a proxy for the pipeline, signifies that this function does not need prior knowledge of the pipeline
 * @param input    - the input to the parse step
 */
async function parseRequests(_results, input) {
    /* in the future, we want to expose all cases */
    const request = (Array.isArray(input.request) ? input.request[0] : input.request);
    if (input.parser?.async) {
        const parsed = await input.parser.parse(request);
        return {
            parsed,
            '.parse-meta': typeof parsed === 'object' && 'rootNode' in parsed ? {
                tokenCount: countChildren(parsed.rootNode),
            } : undefined
        };
    }
    else {
        const parsed = input.parser.parse(request);
        return {
            parsed,
            '.parse-meta': typeof parsed === 'object' && 'rootNode' in parsed ? {
                tokenCount: countChildren(parsed.rootNode),
            } : undefined
        };
    }
}
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