name = "condition";

group = "breakpoints";

shortDescription = "Specify breakpoint condition";

longDescription = "condition <breakpoint-id> <expression> : Specify that the breakpoint with the given id should only be triggered if the given expression evaluates to true.";

argumentTypes = [ "breakpoint-id", "script" ];

seeAlso = [ "ignore" ];

function execute() {

    if (arguments.length == 0) {

        message("Missing arguments (breakpoint number and condition).");

        return;

    }

    var arg = arguments[0];

    var spaceIndex = arg.indexOf(' ');

    if (spaceIndex == -1)

        spaceIndex = arg.length;

    var id = parseInt(arg.slice(0, spaceIndex));

    if (isNaN(id)) {

        message("First argument must be a number (breakpoint id).");

        return;

    }

    var cond = arg.slice(spaceIndex+1);

    if ((cond.length != 0) && !checkSyntax(cond)) {

        message("The condition has a syntax error.");

        return;

    }

    scheduleGetBreakpointData(id);

    breakpointId = id;

    condition = cond;

    state = 1;

}

function handleResponse(resp) {

    if (state == 1) {

        var data = resp.result;

        if (data == undefined) {

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

            return;

        }

        data.condition = condition;

        scheduleSetBreakpointData(breakpointId, data);

        state = 2;

    } else if (state == 2) {

        if (condition.length == 0)

            message("Breakpoint " + breakpointId + " now unconditional.");

    }

}