name = "tbreak";

group = "breakpoints";

shortDescription = "Set a temporary breakpoint";

longDescription = "The same as the \"break\" command, except that the breakpoint is automatically deleted as soon as it is triggered.";

seeAlso = [ "break", "ignore" ];

argumentTypes = [ "script-filename" ];

// ### merge with break.qs: only difference is the "singleShot: true" in call to scheduleSetBreakpoint()

// ### maybe an include() function so commands can share code?

function execute() {

    if (arguments.length == 0) {

        message("Missing argument.");

        return;

    }

    var arg = arguments[0];

    var colonIndex = arg.lastIndexOf(':');

    if (colonIndex == -1) {

        lineNumber = parseInt(arg);

        if (isNaN(lineNumber)) {

            message("Breakpoint location must be of the form <file>:<line> or <line>.");

            return;

        }

        var sid = getCurrentScriptId();

        if (sid == -1) {

            message("No script.");

            return;

        }

        scheduleGetScriptData(sid);

        scriptId = sid;

        state = 1;

    } else {

        fileName = arg.slice(0, colonIndex);

        lineNumber = parseInt(arg.slice(colonIndex+1));

        // ### resolve the script to see if it's loaded or not? (e.g. so we can issue a warning)

        scheduleSetBreakpoint({ fileName: fileName, lineNumber: lineNumber, singleShot: true });

        state = 2;

    }

}

function handleResponse(resp) {

    if (state == 1) {

        fileName = resp.result.fileName;

        if (fileName.length == 0)

            fileName = "<anonymous script, id=" + scriptId + ">";

        scheduleSetBreakpoint({ scriptId: scriptId, lineNumber: lineNumber, singleShot: true });

        state = 2;

    } else if (state == 2) {

        if (resp.error == 0) {

            var id = resp.result;

            message("Breakpoint " + id + ": " + fileName + ", line " + lineNumber + ".");

        }

    }

}