name = "info";

group = "status";

shortDescription = "Display information about something";

longDescription = "info scripts : Names of scripts being debugged";

longDescription += "\ninfo breakpoints : Status of breakpoints currently set";

longDescription += "\ninfo locals : Local variables of current stack frame";

argumentTypes = [ "subcommand-name" ];

subCommands = [ "breakpoints", "locals", "scripts" ];

function execute() {

    var arg = arguments[0];

    if (arg == undefined) {

        message("\"info\" must be followed by the name of an info command.");

        return;

    } else if (arg == "scripts") {

        scheduleGetScripts();

        state = 1;

    } else if (arg == "breakpoints") {

        if (arguments.length > 1) {

            var id = parseInt(arguments[1]);

            if (isNaN(id)) {

                message("Breakpoint id expected.");

                return;

            }

            scheduleGetBreakpointData(id);

            breakpointId = id;

            state = 3;

        } else {

            scheduleGetBreakpoints();

            state = 2;

        }

    } else if (arg == "locals") {

        scheduleGetActivationObject(getCurrentFrameIndex());

        state = 4;

    } else {

        warning("Undefined info command \"" + arg + "\". Try \"help info\".");

    }

}

function breakpointString(id, data) {

    var fn = data.fileName;

    if (fn.length == 0)

        fn = "<anonymous script, id=" + data.scriptId + ">";

    var ret = id + "\t" + (data.enabled ? "yes" : "no")

        + "\t" + fn + ":" + data.lineNumber;

    if (data.condition.length != 0) {

        ret += "\n\tstop only if " + data.condition;

    }

    return ret;

}

function handleResponse(resp) {

    if (state == 1) {

        // info scripts

        var scripts = resp.result;

        if (scripts == undefined) {

            message("No scripts loaded.");

            return;

        }

        for (var id in scripts) {

            var fn = scripts[id].fileName;

            if (fn.length == 0)

                fn = "<anonymous script, id=" + id + ">";

            message("\t" + fn);

        }

    }

    else if (state == 2) {

        // info breakpoints

        var breakpoints = resp.result;

        if (breakpoints == undefined) {

            message("No breakpoints set.");

            return;

        }

        message("Id\tEnabled\tWhere");

        for (var id in breakpoints) {

            var data = breakpoints[id];

            message(breakpointString(id, data));

        }

    } else if (state == 3) {

        // info breakpoints N

        var data = resp.result;

        if (data == undefined) {

            message("No breakpoint number " + breakpointId + ".");

            return;

        }

        message("Id\tEnabled\tWhere");

        message(breakpointString(breakpointId, data));

    }

    else if (state == 4) {

        // info locals

        var act = resp.result;

        scheduleNewScriptValueIterator(act);

        state = 5;

    } else if (state == 5) {

        var id = resp.result;

        scheduleGetPropertiesByIterator(id, 100);

        iteratorId = id;

        state = 6;

    } else if (state == 6) {

        var props = resp.result;

        if (props.length == 0) {

            scheduleDeleteScriptValueIterator(iteratorId);

            state = 7;

            return;

        }

        var maxLength = 0;

        for (var i = 0; i < props.length; ++i)

            maxLength = Math.max(props[i].name.length, maxLength);

        for (var i = 0; i < props.length; ++i) {

            var prop = props[i]; 

            var msg = prop.name;

            var pad = maxLength - prop.name.length;

            for (var j = 0; j < pad; ++j)

                msg += ' ';

            message(msg + " : " + prop.valueAsString);

        }

        scheduleGetPropertiesByIterator(iteratorId, 100);

    } else if (state == 7) {

        // done

    }

}