Function handleCrashFileRead

Extension/src/LanguageServer/extension.ts:1295–1468

(crashDirectory: string, crashFile: string, crashDate: Date, err: NodeJS.ErrnoException | undefined | null, data: string)

}

async function handleCrashFileRead(crashDirectory: string, crashFile: string, crashDate: Date, err: NodeJS.ErrnoException | undefined | null, data: string): Promise<void> {
    if (err) {
        if (err.code === "ENOENT") {
            return; // ignore known issue
        }
        return logCppCrashTelemetry("readFile: " + err.code);
    }

    const lines: string[] = data.split("\n");
    let addressData: string;
    const isCppToolsSrv2: boolean = crashFile.startsWith("cpptools-srv2");
    const isCppToolsSrv: boolean = crashFile.startsWith("cpptools-srv");
    const telemetryHeader: string = (isCppToolsSrv2 ? "cpptools-srv2.txt" : isCppToolsSrv ? "cpptools-srv.txt" : crashFile) + "\n";
    const filtPath: string | null = which.sync("c++filt", { nothrow: true });
    const isMac: boolean = process.platform === "darwin";
    const startStr: string = isMac ? " _" : "<";
    const offsetStr: string = isMac ? " + " : "+";
    const endOffsetStr: string = isMac ? " " : " <";
    const dotStr: string = "…\n";
    let signalType: string;
    let crashLog: string = "";
    let crashStackStartLine: number = 0;
    if (lines[0] === "LOG") {
        let crashLogLine: number = 1;
        for (; crashLogLine < lines.length; ++crashLogLine) {
            let pendingCrashLogLine = lines[crashLogLine];
            if (pendingCrashLogLine === "ENDLOG") {
                break;
            }
            pendingCrashLogLine += "\n";
            if (containsFilteredTelemetryData(pendingCrashLogLine)) {
                crashLog += "?\n";
            } else {
                crashLog += pendingCrashLogLine;
            }
        }
        crashLog = crashLog.trimEnd();
        crashStackStartLine = ++crashLogLine;
    }
    if (lines[crashStackStartLine].startsWith("SIG")) {
        signalType = `${lines[crashStackStartLine]}\n`;
        addressData = `${lines[crashStackStartLine + 1]}:${lines[crashStackStartLine + 2]}\n`; // signalCode:signalAddr
        crashStackStartLine += 3;
    } else {
        // The signal type may fail to be written.
        // Intentionally different from SIGUNKNOWN from cpptools,
        // and not SIG-? to avoid matching the regex in containsFilteredTelemetryData.
        signalType = "SIGMISSING\n";
        addressData = ".\n";
    }
    data = telemetryHeader + signalType;
    let crashCallStack: string = "";
    let validFrameFound: boolean = false;
    for (let lineNum: number = crashStackStartLine; lineNum < lines.length - 3; ++lineNum) { // skip last lines
        const line: string = lines[lineNum];
        const startPos: number = line.indexOf(startStr);
        let pendingCallStack: string = "";
        if (startPos === -1 || line[startPos + (isMac ? 1 : 4)] === "+") {