"use strict";
var __extends = (this && this.__extends) || function (d, b) {
    for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
    function __() { this.constructor = d; }
    d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
var Lint = require("../lint");
var Rule = (function (_super) {
    __extends(Rule, _super);
    function Rule() {
        _super.apply(this, arguments);
    }
    Rule.prototype.apply = function (sourceFile) {
        return this.applyWithWalker(new LabelUndefinedWalker(sourceFile, this.getOptions()));
    };
    Rule.metadata = {
        ruleName: "label-undefined",
        description: "Checks that labels are defined before usage.",
        descriptionDetails: "This rule is now implemented in the TypeScript compiler and does not need to be used.",
        rationale: "Using `break` or `continue` to go to an out-of-scope label is an error in JS.",
        optionsDescription: "Not configurable.",
        options: null,
        optionExamples: ["true"],
        type: "functionality",
    };
    Rule.FAILURE_STRING = "undefined label: '";
    return Rule;
}(Lint.Rules.AbstractRule));
exports.Rule = Rule;
var LabelUndefinedWalker = (function (_super) {
    __extends(LabelUndefinedWalker, _super);
    function LabelUndefinedWalker() {
        _super.apply(this, arguments);
    }
    LabelUndefinedWalker.prototype.createScope = function () {
        return {};
    };
    LabelUndefinedWalker.prototype.visitLabeledStatement = function (node) {
        var label = node.label.text;
        var currentScope = this.getCurrentScope();
        currentScope[label] = true;
        _super.prototype.visitLabeledStatement.call(this, node);
    };
    LabelUndefinedWalker.prototype.visitBreakStatement = function (node) {
        this.validateLabelAt(node.label, node.getStart(), node.getChildAt(0).getWidth());
        _super.prototype.visitBreakStatement.call(this, node);
    };
    LabelUndefinedWalker.prototype.visitContinueStatement = function (node) {
        this.validateLabelAt(node.label, node.getStart(), node.getChildAt(0).getWidth());
        _super.prototype.visitContinueStatement.call(this, node);
    };
    LabelUndefinedWalker.prototype.validateLabelAt = function (label, position, width) {
        var currentScope = this.getCurrentScope();
        if (label != null && !currentScope[label.text]) {
            var failureString = Rule.FAILURE_STRING + label.text + "'";
            var failure = this.createFailure(position, width, failureString);
            this.addFailure(failure);
        }
    };
    return LabelUndefinedWalker;
}(Lint.ScopeAwareRuleWalker));