/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/
var __extends = (this && this.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
(function (factory) {
    if (typeof module === "object" && typeof module.exports === "object") {
        var v = factory(require, exports);
        if (v !== undefined) module.exports = v;
    }
    else if (typeof define === "function" && define.amd) {
        define(["require", "exports", "jsonc-parser", "../utils/objects", "../jsonLanguageTypes", "vscode-nls"], factory);
    }
})(function (require, exports) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    exports.parse = exports.JSONDocument = exports.contains = exports.getNodePath = exports.getNodeValue = exports.newJSONDocument = exports.ValidationResult = exports.EnumMatch = exports.asSchema = exports.ObjectASTNodeImpl = exports.PropertyASTNodeImpl = exports.StringASTNodeImpl = exports.NumberASTNodeImpl = exports.ArrayASTNodeImpl = exports.BooleanASTNodeImpl = exports.NullASTNodeImpl = exports.ASTNodeImpl = void 0;
    var Json = require("jsonc-parser");
    var objects_1 = require("../utils/objects");
    var jsonLanguageTypes_1 = require("../jsonLanguageTypes");
    var nls = require("vscode-nls");
    var localize = nls.loadMessageBundle();
    var formats = {
        'color-hex': { errorMessage: localize('colorHexFormatWarning', 'Invalid color format. Use #RGB, #RGBA, #RRGGBB or #RRGGBBAA.'), pattern: /^#([0-9A-Fa-f]{3,4}|([0-9A-Fa-f]{2}){3,4})$/ },
        'date-time': { errorMessage: localize('dateTimeFormatWarning', 'String is not a RFC3339 date-time.'), pattern: /^(\d{4})-(0[1-9]|1[0-2])-(0[1-9]|[12][0-9]|3[01])T([01][0-9]|2[0-3]):([0-5][0-9]):([0-5][0-9]|60)(\.[0-9]+)?(Z|(\+|-)([01][0-9]|2[0-3]):([0-5][0-9]))$/i },
        'date': { errorMessage: localize('dateFormatWarning', 'String is not a RFC3339 date.'), pattern: /^(\d{4})-(0[1-9]|1[0-2])-(0[1-9]|[12][0-9]|3[01])$/i },
        'time': { errorMessage: localize('timeFormatWarning', 'String is not a RFC3339 time.'), pattern: /^([01][0-9]|2[0-3]):([0-5][0-9]):([0-5][0-9]|60)(\.[0-9]+)?(Z|(\+|-)([01][0-9]|2[0-3]):([0-5][0-9]))$/i },
        'email': { errorMessage: localize('emailFormatWarning', 'String is not an e-mail address.'), pattern: /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/ }
    };
    var ASTNodeImpl = /** @class */ (function () {
        function ASTNodeImpl(parent, offset, length) {
            if (length === void 0) { length = 0; }
            this.offset = offset;
            this.length = length;
            this.parent = parent;
        }
        Object.defineProperty(ASTNodeImpl.prototype, "children", {
            get: function () {
                return [];
            },
            enumerable: false,
            configurable: true
        });
        ASTNodeImpl.prototype.toString = function () {
            return 'type: ' + this.type + ' (' + this.offset + '/' + this.length + ')' + (this.parent ? ' parent: {' + this.parent.toString() + '}' : '');
        };
        return ASTNodeImpl;
    }());
    exports.ASTNodeImpl = ASTNodeImpl;
    var NullASTNodeImpl = /** @class */ (function (_super) {
        __extends(NullASTNodeImpl, _super);
        function NullASTNodeImpl(parent, offset) {
            var _this = _super.call(this, parent, offset) || this;
            _this.type = 'null';
            _this.value = null;
            return _this;
        }
        return NullASTNodeImpl;
    }(ASTNodeImpl));
    exports.NullASTNodeImpl = NullASTNodeImpl;
    var BooleanASTNodeImpl = /** @class */ (function (_super) {
        __extends(BooleanASTNodeImpl, _super);
        function BooleanASTNodeImpl(parent, boolValue, offset) {
            var _this = _super.call(this, parent, offset) || this;
            _this.type = 'boolean';
            _this.value = boolValue;
            return _this;
        }
        return BooleanASTNodeImpl;
    }(ASTNodeImpl));
    exports.BooleanASTNodeImpl = BooleanASTNodeImpl;
    var ArrayASTNodeImpl = /** @class */ (function (_super) {
        __extends(ArrayASTNodeImpl, _super);
        function ArrayASTNodeImpl(parent, offset) {
            var _this = _super.call(this, parent, offset) || this;
            _this.type = 'array';
            _this.items = [];
            return _this;
        }
        Object.defineProperty(ArrayASTNodeImpl.prototype, "children", {
            get: function () {
                return this.items;
            },
            enumerable: false,
            configurable: true
        });
        return ArrayASTNodeImpl;
    }(ASTNodeImpl));
    exports.ArrayASTNodeImpl = ArrayASTNodeImpl;
    var NumberASTNodeImpl = /** @class */ (function (_super) {
        __extends(NumberASTNodeImpl, _super);
        function NumberASTNodeImpl(parent, offset) {
            var _this = _super.call(this, parent, offset) || this;
            _this.type = 'number';
            _this.isInteger = true;
            _this.value = Number.NaN;
            return _this;
        }
        return NumberASTNodeImpl;
    }(ASTNodeImpl));
    exports.NumberASTNodeImpl = NumberASTNodeImpl;
    var StringASTNodeImpl = /** @class */ (function (_super) {
        __extends(StringASTNodeImpl, _super);
        function StringASTNodeImpl(parent, offset, length) {
            var _this = _super.call(this, parent, offset, length) || this;
            _this.type = 'string';
            _this.value = '';
            return _this;
        }
        return StringASTNodeImpl;
    }(ASTNodeImpl));
    exports.StringASTNodeImpl = StringASTNodeImpl;
    var PropertyASTNodeImpl = /** @class */ (function (_super) {
        __extends(PropertyASTNodeImpl, _super);
        function PropertyASTNodeImpl(parent, offset, keyNode) {
            var _this = _super.call(this, parent, offset) || this;
            _this.type = 'property';
            _this.colonOffset = -1;
            _this.keyNode = keyNode;
            return _this;
        }
        Object.defineProperty(PropertyASTNodeImpl.prototype, "children", {
            get: function () {
                return this.valueNode ? [this.keyNode, this.valueNode] : [this.keyNode];
            },
            enumerable: false,
            configurable: true
        });
        return PropertyASTNodeImpl;
    }(ASTNodeImpl));
    exports.PropertyASTNodeImpl = PropertyASTNodeImpl;
    var ObjectASTNodeImpl = /** @class */ (function (_super) {
        __extends(ObjectASTNodeImpl, _super);
        function ObjectASTNodeImpl(parent, offset) {
            var _this = _super.call(this, parent, offset) || this;
            _this.type = 'object';
            _this.properties = [];
            return _this;
        }
        Object.defineProperty(ObjectASTNodeImpl.prototype, "children", {
            get: function () {
                return this.properties;
            },
            enumerable: false,
            configurable: true
        });
        return ObjectASTNodeImpl;
    }(ASTNodeImpl));
    exports.ObjectASTNodeImpl = ObjectASTNodeImpl;
    function asSchema(schema) {
        if (objects_1.isBoolean(schema)) {
            return schema ? {} : { "not": {} };
        }
        return schema;
    }
    exports.asSchema = asSchema;
    var EnumMatch;
    (function (EnumMatch) {
        EnumMatch[EnumMatch["Key"] = 0] = "Key";
        EnumMatch[EnumMatch["Enum"] = 1] = "Enum";
    })(EnumMatch = exports.EnumMatch || (exports.EnumMatch = {}));
    var SchemaCollector = /** @class */ (function () {
        function SchemaCollector(focusOffset, exclude) {
            if (focusOffset === void 0) { focusOffset = -1; }
            this.focusOffset = focusOffset;
            this.exclude = exclude;
            this.schemas = [];
        }
        SchemaCollector.prototype.add = function (schema) {
            this.schemas.push(schema);
        };
        SchemaCollector.prototype.merge = function (other) {
            Array.prototype.push.apply(this.schemas, other.schemas);
        };
        SchemaCollector.prototype.include = function (node) {
            return (this.focusOffset === -1 || contains(node, this.focusOffset)) && (node !== this.exclude);
        };
        SchemaCollector.prototype.newSub = function () {
            return new SchemaCollector(-1, this.exclude);
        };
        return SchemaCollector;
    }());
    var NoOpSchemaCollector = /** @class */ (function () {
        function NoOpSchemaCollector() {
        }
        Object.defineProperty(NoOpSchemaCollector.prototype, "schemas", {
            get: function () { return []; },
            enumerable: false,
            configurable: true
        });
        NoOpSchemaCollector.prototype.add = function (schema) { };
        NoOpSchemaCollector.prototype.merge = function (other) { };
        NoOpSchemaCollector.prototype.include = function (node) { return true; };
        NoOpSchemaCollector.prototype.newSub = function () { return this; };
        NoOpSchemaCollector.instance = new NoOpSchemaCollector();
        return NoOpSchemaCollector;
    }());
    var ValidationResult = /** @class */ (function () {
        function ValidationResult() {
            this.problems = [];
            this.propertiesMatches = 0;
            this.propertiesValueMatches = 0;
            this.primaryValueMatches = 0;
            this.enumValueMatch = false;
            this.enumValues = undefined;
        }
        ValidationResult.prototype.hasProblems = function () {
            return !!this.problems.length;
        };
        ValidationResult.prototype.mergeAll = function (validationResults) {
            for (var _i = 0, validationResults_1 = validationResults; _i < validationResults_1.length; _i++) {
                var validationResult = validationResults_1[_i];
                this.merge(validationResult);
            }
        };
        ValidationResult.prototype.merge = function (validationResult) {
            this.problems = this.problems.concat(validationResult.problems);
        };
        ValidationResult.prototype.mergeEnumValues = function (validationResult) {
            if (!this.enumValueMatch && !validationResult.enumValueMatch && this.enumValues && validationResult.enumValues) {
                this.enumValues = this.enumValues.concat(validationResult.enumValues);
                for (var _i = 0, _a = this.problems; _i < _a.length; _i++) {
                    var error = _a[_i];
                    if (error.code === jsonLanguageTypes_1.ErrorCode.EnumValueMismatch) {
                        error.message = localize('enumWarning', 'Value is not accepted. Valid values: {0}.', this.enumValues.map(function (v) { return JSON.stringify(v); }).join(', '));
                    }
                }
            }
        };
        ValidationResult.prototype.mergePropertyMatch = function (propertyValidationResult) {
            this.merge(propertyValidationResult);
            this.propertiesMatches++;
            if (propertyValidationResult.enumValueMatch || !propertyValidationResult.hasProblems() && propertyValidationResult.propertiesMatches) {
                this.propertiesValueMatches++;
            }
            if (propertyValidationResult.enumValueMatch && propertyValidationResult.enumValues && propertyValidationResult.enumValues.length === 1) {
                this.primaryValueMatches++;
            }
        };
        ValidationResult.prototype.compare = function (other) {
            var hasProblems = this.hasProblems();
            if (hasProblems !== other.hasProblems()) {
                return hasProblems ? -1 : 1;
            }
            if (this.enumValueMatch !== other.enumValueMatch) {
                return other.enumValueMatch ? -1 : 1;
            }
            if (this.primaryValueMatches !== other.primaryValueMatches) {
                return this.primaryValueMatches - other.primaryValueMatches;
            }
            if (this.propertiesValueMatches !== other.propertiesValueMatches) {
                return this.propertiesValueMatches - other.propertiesValueMatches;
            }
            return this.propertiesMatches - other.propertiesMatches;
        };
        return ValidationResult;
    }());
    exports.ValidationResult = ValidationResult;
    function newJSONDocument(root, diagnostics) {
        if (diagnostics === void 0) { diagnostics = []; }
        return new JSONDocument(root, diagnostics, []);
    }
    exports.newJSONDocument = newJSONDocument;
    function getNodeValue(node) {
        return Json.getNodeValue(node);
    }
    exports.getNodeValue = getNodeValue;
    function getNodePath(node) {
        return Json.getNodePath(node);
    }
    exports.getNodePath = getNodePath;
    function contains(node, offset, includeRightBound) {
        if (includeRightBound === void 0) { includeRightBound = false; }
        return offset >= node.offset && offset < (node.offset + node.length) || includeRightBound && offset === (node.offset + node.length);
    }
    exports.contains = contains;
    var JSONDocument = /** @class */ (function () {
        function JSONDocument(root, syntaxErrors, comments) {
            if (syntaxErrors === void 0) { syntaxErrors = []; }
            if (comments === void 0) { comments = []; }
            this.root = root;
            this.syntaxErrors = syntaxErrors;
            this.comments = comments;
        }
        JSONDocument.prototype.getNodeFromOffset = function (offset, includeRightBound) {
            if (includeRightBound === void 0) { includeRightBound = false; }
            if (this.root) {
                return Json.findNodeAtOffset(this.root, offset, includeRightBound);
            }
            return undefined;
        };
        JSONDocument.prototype.visit = function (visitor) {
            if (this.root) {
                var doVisit_1 = function (node) {
                    var ctn = visitor(node);
                    var children = node.children;
                    if (Array.isArray(children)) {
                        for (var i = 0; i < children.length && ctn; i++) {
                            ctn = doVisit_1(children[i]);
                        }
                    }
                    return ctn;
                };
                doVisit_1(this.root);
            }
        };
        JSONDocument.prototype.validate = function (textDocument, schema, severity) {
            if (severity === void 0) { severity = jsonLanguageTypes_1.DiagnosticSeverity.Warning; }
            if (this.root && schema) {
                var validationResult = new ValidationResult();
                validate(this.root, schema, validationResult, NoOpSchemaCollector.instance);
                return validationResult.problems.map(function (p) {
                    var _a;
                    var range = jsonLanguageTypes_1.Range.create(textDocument.positionAt(p.location.offset), textDocument.positionAt(p.location.offset + p.location.length));
                    return jsonLanguageTypes_1.Diagnostic.create(range, p.message, (_a = p.severity) !== null && _a !== void 0 ? _a : severity, p.code);
                });
            }
            return undefined;
        };
        JSONDocument.prototype.getMatchingSchemas = function (schema, focusOffset, exclude) {
            if (focusOffset === void 0) { focusOffset = -1; }
            var matchingSchemas = new SchemaCollector(focusOffset, exclude);
            if (this.root && schema) {
                validate(this.root, schema, new ValidationResult(), matchingSchemas);
            }
            return matchingSchemas.schemas;
        };
        return JSONDocument;
    }());
    exports.JSONDocument = JSONDocument;
    function validate(n, schema, validationResult, matchingSchemas) {
        if (!n || !matchingSchemas.include(n)) {
            return;
        }
        var node = n;
        switch (node.type) {
            case 'object':
                _validateObjectNode(node, schema, validationResult, matchingSchemas);
                break;
            case 'array':
                _validateArrayNode(node, schema, validationResult, matchingSchemas);
                break;
            case 'string':
                _validateStringNode(node, schema, validationResult, matchingSchemas);
                break;
            case 'number':
                _validateNumberNode(node, schema, validationResult, matchingSchemas);
                break;
            case 'property':
                return validate(node.valueNode, schema, validationResult, matchingSchemas);
        }
        _validateNode();
        matchingSchemas.add({ node: node, schema: schema });
        function _validateNode() {
            function matchesType(type) {
                return node.type === type || (type === 'integer' && node.type === 'number' && node.isInteger);
            }
            if (Array.isArray(schema.type)) {
                if (!schema.type.some(matchesType)) {
                    validationResult.problems.push({
                        location: { offset: node.offset, length: node.length },
                        message: schema.errorMessage || localize('typeArrayMismatchWarning', 'Incorrect type. Expected one of {0}.', schema.type.join(', '))
                    });
                }
            }
            else if (schema.type) {
                if (!matchesType(schema.type)) {
                    validationResult.problems.push({
                        location: { offset: node.offset, length: node.length },
                        message: schema.errorMessage || localize('typeMismatchWarning', 'Incorrect type. Expected "{0}".', schema.type)
                    });
                }
            }
            if (Array.isArray(schema.allOf)) {
                for (var _i = 0, _a = schema.allOf; _i < _a.length; _i++) {
                    var subSchemaRef = _a[_i];
                    validate(node, asSchema(subSchemaRef), validationResult, matchingSchemas);
                }
            }
            var notSchema = asSchema(schema.not);
            if (notSchema) {
                var subValidationResult = new ValidationResult();
                var subMatchingSchemas = matchingSchemas.newSub();
                validate(node, notSchema, subValidationResult, subMatchingSchemas);
                if (!subValidationResult.hasProblems()) {
                    validationResult.problems.push({
                        location: { offset: node.offset, length: node.length },
                        message: localize('notSchemaWarning', "Matches a schema that is not allowed.")
                    });
                }
                for (var _b = 0, _c = subMatchingSchemas.schemas; _b < _c.length; _b++) {
                    var ms = _c[_b];
                    ms.inverted = !ms.inverted;
                    matchingSchemas.add(ms);
                }
            }
            var testAlternatives = function (alternatives, maxOneMatch) {
                var matches = [];
                // remember the best match that is used for error messages
                var bestMatch = undefined;
                for (var _i = 0, alternatives_1 = alternatives; _i < alternatives_1.length; _i++) {
                    var subSchemaRef = alternatives_1[_i];
                    var subSchema = asSchema(subSchemaRef);
                    var subValidationResult = new ValidationResult();
                    var subMatchingSchemas = matchingSchemas.newSub();
                    validate(node, subSchema, subValidationResult, subMatchingSchemas);
                    if (!subValidationResult.hasProblems()) {
                        matches.push(subSchema);
                    }
                    if (!bestMatch) {
                        bestMatch = { schema: subSchema, validationResult: subValidationResult, matchingSchemas: subMatchingSchemas };
                    }
                    else {
                        if (!maxOneMatch && !subValidationResult.hasProblems() && !bestMatch.validationResult.hasProblems()) {
                            // no errors, both are equally good matches
                            bestMatch.matchingSchemas.merge(subMatchingSchemas);
                            bestMatch.validationResult.propertiesMatches += subValidationResult.propertiesMatches;
                            bestMatch.validationResult.propertiesValueMatches += subValidationResult.propertiesValueMatches;
                        }
                        else {
                            var compareResult = subValidationResult.compare(bestMatch.validationResult);
                            if (compareResult > 0) {
                                // our node is the best matching so far
                                bestMatch = { schema: subSchema, validationResult: subValidationResult, matchingSchemas: subMatchingSchemas };
                            }
                            else if (compareResult === 0) {
                                // there's already a best matching but we are as good
                                bestMatch.matchingSchemas.merge(subMatchingSchemas);
                                bestMatch.validationResult.mergeEnumValues(subValidationResult);
                            }
                        }
                    }
                }
                if (matches.length > 1 && maxOneMatch) {
                    validationResult.problems.push({
                        location: { offset: node.offset, length: 1 },
                        message: localize('oneOfWarning', "Matches multiple schemas when only one must validate.")
                    });
                }
                if (bestMatch) {
                    validationResult.merge(bestMatch.validationResult);
                    validationResult.propertiesMatches += bestMatch.validationResult.propertiesMatches;
                    validationResult.propertiesValueMatches += bestMatch.validationResult.propertiesValueMatches;
                    matchingSchemas.merge(bestMatch.matchingSchemas);
                }
                return matches.length;
            };
            if (Array.isArray(schema.anyOf)) {
                testAlternatives(schema.anyOf, false);
            }
            if (Array.isArray(schema.oneOf)) {
                testAlternatives(schema.oneOf, true);
            }
            var testBranch = function (schema) {
                var subValidationResult = new ValidationResult();
                var subMatchingSchemas = matchingSchemas.newSub();
                validate(node, asSchema(schema), subValidationResult, subMatchingSchemas);
                validationResult.merge(subValidationResult);
                validationResult.propertiesMatches += subValidationResult.propertiesMatches;
                validationResult.propertiesValueMatches += subValidationResult.propertiesValueMatches;
                matchingSchemas.merge(subMatchingSchemas);
            };
            var testCondition = function (ifSchema, thenSchema, elseSchema) {
                var subSchema = asSchema(ifSchema);
                var subValidationResult = new ValidationResult();
                var subMatchingSchemas = matchingSchemas.newSub();
                validate(node, subSchema, subValidationResult, subMatchingSchemas);
                matchingSchemas.merge(subMatchingSchemas);
                if (!subValidationResult.hasProblems()) {
                    if (thenSchema) {
                        testBranch(thenSchema);
                    }
                }
                else if (elseSchema) {
                    testBranch(elseSchema);
                }
            };
            var ifSchema = asSchema(schema.if);
            if (ifSchema) {
                testCondition(ifSchema, asSchema(schema.then), asSchema(schema.else));
            }
            if (Array.isArray(schema.enum)) {
                var val = getNodeValue(node);
                var enumValueMatch = false;
                for (var _d = 0, _e = schema.enum; _d < _e.length; _d++) {
                    var e = _e[_d];
                    if (objects_1.equals(val, e)) {
                        enumValueMatch = true;
                        break;
                    }
                }
                validationResult.enumValues = schema.enum;
                validationResult.enumValueMatch = enumValueMatch;
                if (!enumValueMatch) {
                    validationResult.problems.push({
                        location: { offset: node.offset, length: node.length },
                        code: jsonLanguageTypes_1.ErrorCode.EnumValueMismatch,
                        message: schema.errorMessage || localize('enumWarning', 'Value is not accepted. Valid values: {0}.', schema.enum.map(function (v) { return JSON.stringify(v); }).join(', '))
                    });
                }
            }
            if (objects_1.isDefined(schema.const)) {
                var val = getNodeValue(node);
                if (!objects_1.equals(val, schema.const)) {
                    validationResult.problems.push({
                        location: { offset: node.offset, length: node.length },
                        code: jsonLanguageTypes_1.ErrorCode.EnumValueMismatch,
                        message: schema.errorMessage || localize('constWarning', 'Value must be {0}.', JSON.stringify(schema.const))
                    });
                    validationResult.enumValueMatch = false;
                }
                else {
                    validationResult.enumValueMatch = true;
                }
                validationResult.enumValues = [schema.const];
            }
            if (schema.deprecationMessage && node.parent) {
                validationResult.problems.push({
                    location: { offset: node.parent.offset, length: node.parent.length },
                    severity: jsonLanguageTypes_1.DiagnosticSeverity.Warning,
                    message: schema.deprecationMessage,
                    code: jsonLanguageTypes_1.ErrorCode.Deprecated
                });
            }
        }
        function _validateNumberNode(node, schema, validationResult, matchingSchemas) {
            var val = node.value;
            function normalizeFloats(float) {
                var _a;
                var parts = /^(-?\d+)(?:\.(\d+))?(?:e([-+]\d+))?$/.exec(float.toString());
                return parts && {
                    value: Number(parts[1] + (parts[2] || '')),
                    multiplier: (((_a = parts[2]) === null || _a === void 0 ? void 0 : _a.length) || 0) - (parseInt(parts[3]) || 0)
                };
            }
            ;
            if (objects_1.isNumber(schema.multipleOf)) {
                var remainder = -1;
                if (Number.isInteger(schema.multipleOf)) {
                    remainder = val % schema.multipleOf;
                }
                else {
                    var normMultipleOf = normalizeFloats(schema.multipleOf);
                    var normValue = normalizeFloats(val);
                    if (normMultipleOf && normValue) {
                        var multiplier = Math.pow(10, Math.abs(normValue.multiplier - normMultipleOf.multiplier));
                        if (normValue.multiplier < normMultipleOf.multiplier) {
                            normValue.value *= multiplier;
                        }
                        else {
                            normMultipleOf.value *= multiplier;
                        }
                        remainder = normValue.value % normMultipleOf.value;
                    }
                }
                if (remainder !== 0) {
                    validationResult.problems.push({
                        location: { offset: node.offset, length: node.length },
                        message: localize('multipleOfWarning', 'Value is not divisible by {0}.', schema.multipleOf)
                    });
                }
            }
            function getExclusiveLimit(limit, exclusive) {
                if (objects_1.isNumber(exclusive)) {
                    return exclusive;
                }
                if (objects_1.isBoolean(exclusive) && exclusive) {
                    return limit;
                }
                return undefined;
            }
            function getLimit(limit, exclusive) {
                if (!objects_1.isBoolean(exclusive) || !exclusive) {
                    return limit;
                }
                return undefined;
            }
            var exclusiveMinimum = getExclusiveLimit(schema.minimum, schema.exclusiveMinimum);
            if (objects_1.isNumber(exclusiveMinimum) && val <= exclusiveMinimum) {
                validationResult.problems.push({
                    location: { offset: node.offset, length: node.length },
                    message: localize('exclusiveMinimumWarning', 'Value is below the exclusive minimum of {0}.', exclusiveMinimum)
                });
            }
            var exclusiveMaximum = getExclusiveLimit(schema.maximum, schema.exclusiveMaximum);
            if (objects_1.isNumber(exclusiveMaximum) && val >= exclusiveMaximum) {
                validationResult.problems.push({
                    location: { offset: node.offset, length: node.length },
                    message: localize('exclusiveMaximumWarning', 'Value is above the exclusive maximum of {0}.', exclusiveMaximum)
                });
            }
            var minimum = getLimit(schema.minimum, schema.exclusiveMinimum);
            if (objects_1.isNumber(minimum) && val < minimum) {
                validationResult.problems.push({
                    location: { offset: node.offset, length: node.length },
                    message: localize('minimumWarning', 'Value is below the minimum of {0}.', minimum)
                });
            }
            var maximum = getLimit(schema.maximum, schema.exclusiveMaximum);
            if (objects_1.isNumber(maximum) && val > maximum) {
                validationResult.problems.push({
                    location: { offset: node.offset, length: node.length },
                    message: localize('maximumWarning', 'Value is above the maximum of {0}.', maximum)
                });
            }
        }
        function _validateStringNode(node, schema, validationResult, matchingSchemas) {
            if (objects_1.isNumber(schema.minLength) && node.value.length < schema.minLength) {
                validationResult.problems.push({
                    location: { offset: node.offset, length: node.length },
                    message: localize('minLengthWarning', 'String is shorter than the minimum length of {0}.', schema.minLength)
                });
            }
            if (objects_1.isNumber(schema.maxLength) && node.value.length > schema.maxLength) {
                validationResult.problems.push({
                    location: { offset: node.offset, length: node.length },
                    message: localize('maxLengthWarning', 'String is longer than the maximum length of {0}.', schema.maxLength)
                });
            }
            if (objects_1.isString(schema.pattern)) {
                var regex = new RegExp(schema.pattern);
                if (!regex.test(node.value)) {
                    validationResult.problems.push({
                        location: { offset: node.offset, length: node.length },
                        message: schema.patternErrorMessage || schema.errorMessage || localize('patternWarning', 'String does not match the pattern of "{0}".', schema.pattern)
                    });
                }
            }
            if (schema.format) {
                switch (schema.format) {
                    case 'uri':
                    case 'uri-reference':
                        {
                            var errorMessage = void 0;
                            if (!node.value) {
                                errorMessage = localize('uriEmpty', 'URI expected.');
                            }
                            else {
                                var match = /^(([^:/?#]+?):)?(\/\/([^/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?/.exec(node.value);
                                if (!match) {
                                    errorMessage = localize('uriMissing', 'URI is expected.');
                                }
                                else if (!match[2] && schema.format === 'uri') {
                                    errorMessage = localize('uriSchemeMissing', 'URI with a scheme is expected.');
                                }
                            }
                            if (errorMessage) {
                                validationResult.problems.push({
                                    location: { offset: node.offset, length: node.length },
                                    message: schema.patternErrorMessage || schema.errorMessage || localize('uriFormatWarning', 'String is not a URI: {0}', errorMessage)
                                });
                            }
                        }
                        break;
                    case 'color-hex':
                    case 'date-time':
                    case 'date':
                    case 'time':
                    case 'email':
                        var format = formats[schema.format];
                        if (!node.value || !format.pattern.exec(node.value)) {
                            validationResult.problems.push({
                                location: { offset: node.offset, length: node.length },
                                message: schema.patternErrorMessage || schema.errorMessage || format.errorMessage
                            });
                        }
                    default:
                }
            }
        }
        function _validateArrayNode(node, schema, validationResult, matchingSchemas) {
            if (Array.isArray(schema.items)) {
                var subSchemas = schema.items;
                for (var index = 0; index < subSchemas.length; index++) {
                    var subSchemaRef = subSchemas[index];
                    var subSchema = asSchema(subSchemaRef);
                    var itemValidationResult = new ValidationResult();
                    var item = node.items[index];
                    if (item) {
                        validate(item, subSchema, itemValidationResult, matchingSchemas);
                        validationResult.mergePropertyMatch(itemValidationResult);
                    }
                    else if (node.items.length >= subSchemas.length) {
                        validationResult.propertiesValueMatches++;
                    }
                }
                if (node.items.length > subSchemas.length) {
                    if (typeof schema.additionalItems === 'object') {
                        for (var i = subSchemas.length; i < node.items.length; i++) {
                            var itemValidationResult = new ValidationResult();
                            validate(node.items[i], schema.additionalItems, itemValidationResult, matchingSchemas);
                            validationResult.mergePropertyMatch(itemValidationResult);
                        }
                    }
                    else if (schema.additionalItems === false) {
                        validationResult.problems.push({
                            location: { offset: node.offset, length: node.length },
                            message: localize('additionalItemsWarning', 'Array has too many items according to schema. Expected {0} or fewer.', subSchemas.length)
                        });
                    }
                }
            }
            else {
                var itemSchema = asSchema(schema.items);
                if (itemSchema) {
                    for (var _i = 0, _a = node.items; _i < _a.length; _i++) {
                        var item = _a[_i];
                        var itemValidationResult = new ValidationResult();
                        validate(item, itemSchema, itemValidationResult, matchingSchemas);
                        validationResult.mergePropertyMatch(itemValidationResult);
                    }
                }
            }
            var containsSchema = asSchema(schema.contains);
            if (containsSchema) {
                var doesContain = node.items.some(function (item) {
                    var itemValidationResult = new ValidationResult();
                    validate(item, containsSchema, itemValidationResult, NoOpSchemaCollector.instance);
                    return !itemValidationResult.hasProblems();
                });
                if (!doesContain) {
                    validationResult.problems.push({
                        location: { offset: node.offset, length: node.length },
                        message: schema.errorMessage || localize('requiredItemMissingWarning', 'Array does not contain required item.')
                    });
                }
            }
            if (objects_1.isNumber(schema.minItems) && node.items.length < schema.minItems) {
                validationResult.problems.push({
                    location: { offset: node.offset, length: node.length },
                    message: localize('minItemsWarning', 'Array has too few items. Expected {0} or more.', schema.minItems)
                });
            }
            if (objects_1.isNumber(schema.maxItems) && node.items.length > schema.maxItems) {
                validationResult.problems.push({
                    location: { offset: node.offset, length: node.length },
                    message: localize('maxItemsWarning', 'Array has too many items. Expected {0} or fewer.', schema.maxItems)
                });
            }
            if (schema.uniqueItems === true) {
                var values_1 = getNodeValue(node);
                var duplicates = values_1.some(function (value, index) {
                    return index !== values_1.lastIndexOf(value);
                });
                if (duplicates) {
                    validationResult.problems.push({
                        location: { offset: node.offset, length: node.length },
                        message: localize('uniqueItemsWarning', 'Array has duplicate items.')
                    });
                }
            }
        }
        function _validateObjectNode(node, schema, validationResult, matchingSchemas) {
            var seenKeys = Object.create(null);
            var unprocessedProperties = [];
            for (var _i = 0, _a = node.properties; _i < _a.length; _i++) {
                var propertyNode = _a[_i];
                var key = propertyNode.keyNode.value;
                seenKeys[key] = propertyNode.valueNode;
                unprocessedProperties.push(key);
            }
            if (Array.isArray(schema.required)) {
                for (var _b = 0, _c = schema.required; _b < _c.length; _b++) {
                    var propertyName = _c[_b];
                    if (!seenKeys[propertyName]) {
                        var keyNode = node.parent && node.parent.type === 'property' && node.parent.keyNode;
                        var location = keyNode ? { offset: keyNode.offset, length: keyNode.length } : { offset: node.offset, length: 1 };
                        validationResult.problems.push({
                            location: location,
                            message: localize('MissingRequiredPropWarning', 'Missing property "{0}".', propertyName)
                        });
                    }
                }
            }
            var propertyProcessed = function (prop) {
                var index = unprocessedProperties.indexOf(prop);
                while (index >= 0) {
                    unprocessedProperties.splice(index, 1);
                    index = unprocessedProperties.indexOf(prop);
                }
            };
            if (schema.properties) {
                for (var _d = 0, _e = Object.keys(schema.properties); _d < _e.length; _d++) {
                    var propertyName = _e[_d];
                    propertyProcessed(propertyName);
                    var propertySchema = schema.properties[propertyName];
                    var child = seenKeys[propertyName];
                    if (child) {
                        if (objects_1.isBoolean(propertySchema)) {
                            if (!propertySchema) {
                                var propertyNode = child.parent;
                                validationResult.problems.push({
                                    location: { offset: propertyNode.keyNode.offset, length: propertyNode.keyNode.length },
                                    message: schema.errorMessage || localize('DisallowedExtraPropWarning', 'Property {0} is not allowed.', propertyName)
                                });
                            }
                            else {
                                validationResult.propertiesMatches++;
                                validationResult.propertiesValueMatches++;
                            }
                        }
                        else {
                            var propertyValidationResult = new ValidationResult();
                            validate(child, propertySchema, propertyValidationResult, matchingSchemas);
                            validationResult.mergePropertyMatch(propertyValidationResult);
                        }
                    }
                }
            }
            if (schema.patternProperties) {
                for (var _f = 0, _g = Object.keys(schema.patternProperties); _f < _g.length; _f++) {
                    var propertyPattern = _g[_f];
                    var regex = new RegExp(propertyPattern);
                    for (var _h = 0, _j = unprocessedProperties.slice(0); _h < _j.length; _h++) {
                        var propertyName = _j[_h];
                        if (regex.test(propertyName)) {
                            propertyProcessed(propertyName);
                            var child = seenKeys[propertyName];
                            if (child) {
                                var propertySchema = schema.patternProperties[propertyPattern];
                                if (objects_1.isBoolean(propertySchema)) {
                                    if (!propertySchema) {
                                        var propertyNode = child.parent;
                                        validationResult.problems.push({
                                            location: { offset: propertyNode.keyNode.offset, length: propertyNode.keyNode.length },
                                            message: schema.errorMessage || localize('DisallowedExtraPropWarning', 'Property {0} is not allowed.', propertyName)
                                        });
                                    }
                                    else {
                                        validationResult.propertiesMatches++;
                                        validationResult.propertiesValueMatches++;
                                    }
                                }
                                else {
                                    var propertyValidationResult = new ValidationResult();
                                    validate(child, propertySchema, propertyValidationResult, matchingSchemas);
                                    validationResult.mergePropertyMatch(propertyValidationResult);
                                }
                            }
                        }
                    }
                }
            }
            if (typeof schema.additionalProperties === 'object') {
                for (var _k = 0, unprocessedProperties_1 = unprocessedProperties; _k < unprocessedProperties_1.length; _k++) {
                    var propertyName = unprocessedProperties_1[_k];
                    var child = seenKeys[propertyName];
                    if (child) {
                        var propertyValidationResult = new ValidationResult();
                        validate(child, schema.additionalProperties, propertyValidationResult, matchingSchemas);
                        validationResult.mergePropertyMatch(propertyValidationResult);
                    }
                }
            }
            else if (schema.additionalProperties === false) {
                if (unprocessedProperties.length > 0) {
                    for (var _l = 0, unprocessedProperties_2 = unprocessedProperties; _l < unprocessedProperties_2.length; _l++) {
                        var propertyName = unprocessedProperties_2[_l];
                        var child = seenKeys[propertyName];
                        if (child) {
                            var propertyNode = child.parent;
                            validationResult.problems.push({
                                location: { offset: propertyNode.keyNode.offset, length: propertyNode.keyNode.length },
                                message: schema.errorMessage || localize('DisallowedExtraPropWarning', 'Property {0} is not allowed.', propertyName)
                            });
                        }
                    }
                }
            }
            if (objects_1.isNumber(schema.maxProperties)) {
                if (node.properties.length > schema.maxProperties) {
                    validationResult.problems.push({
                        location: { offset: node.offset, length: node.length },
                        message: localize('MaxPropWarning', 'Object has more properties than limit of {0}.', schema.maxProperties)
                    });
                }
            }
            if (objects_1.isNumber(schema.minProperties)) {
                if (node.properties.length < schema.minProperties) {
                    validationResult.problems.push({
                        location: { offset: node.offset, length: node.length },
                        message: localize('MinPropWarning', 'Object has fewer properties than the required number of {0}', schema.minProperties)
                    });
                }
            }
            if (schema.dependencies) {
                for (var _m = 0, _o = Object.keys(schema.dependencies); _m < _o.length; _m++) {
                    var key = _o[_m];
                    var prop = seenKeys[key];
                    if (prop) {
                        var propertyDep = schema.dependencies[key];
                        if (Array.isArray(propertyDep)) {
                            for (var _p = 0, propertyDep_1 = propertyDep; _p < propertyDep_1.length; _p++) {
                                var requiredProp = propertyDep_1[_p];
                                if (!seenKeys[requiredProp]) {
                                    validationResult.problems.push({
                                        location: { offset: node.offset, length: node.length },
                                        message: localize('RequiredDependentPropWarning', 'Object is missing property {0} required by property {1}.', requiredProp, key)
                                    });
                                }
                                else {
                                    validationResult.propertiesValueMatches++;
                                }
                            }
                        }
                        else {
                            var propertySchema = asSchema(propertyDep);
                            if (propertySchema) {
                                var propertyValidationResult = new ValidationResult();
                                validate(node, propertySchema, propertyValidationResult, matchingSchemas);
                                validationResult.mergePropertyMatch(propertyValidationResult);
                            }
                        }
                    }
                }
            }
            var propertyNames = asSchema(schema.propertyNames);
            if (propertyNames) {
                for (var _q = 0, _r = node.properties; _q < _r.length; _q++) {
                    var f = _r[_q];
                    var key = f.keyNode;
                    if (key) {
                        validate(key, propertyNames, validationResult, NoOpSchemaCollector.instance);
                    }
                }
            }
        }
    }
    function parse(textDocument, config) {
        var problems = [];
        var lastProblemOffset = -1;
        var text = textDocument.getText();
        var scanner = Json.createScanner(text, false);
        var commentRanges = config && config.collectComments ? [] : undefined;
        function _scanNext() {
            while (true) {
                var token_1 = scanner.scan();
                _checkScanError();
                switch (token_1) {
                    case 12 /* LineCommentTrivia */:
                    case 13 /* BlockCommentTrivia */:
                        if (Array.isArray(commentRanges)) {
                            commentRanges.push(jsonLanguageTypes_1.Range.create(textDocument.positionAt(scanner.getTokenOffset()), textDocument.positionAt(scanner.getTokenOffset() + scanner.getTokenLength())));
                        }
                        break;
                    case 15 /* Trivia */:
                    case 14 /* LineBreakTrivia */:
                        break;
                    default:
                        return token_1;
                }
            }
        }
        function _accept(token) {
            if (scanner.getToken() === token) {
                _scanNext();
                return true;
            }
            return false;
        }
        function _errorAtRange(message, code, startOffset, endOffset, severity) {
            if (severity === void 0) { severity = jsonLanguageTypes_1.DiagnosticSeverity.Error; }
            if (problems.length === 0 || startOffset !== lastProblemOffset) {
                var range = jsonLanguageTypes_1.Range.create(textDocument.positionAt(startOffset), textDocument.positionAt(endOffset));
                problems.push(jsonLanguageTypes_1.Diagnostic.create(range, message, severity, code, textDocument.languageId));
                lastProblemOffset = startOffset;
            }
        }
        function _error(message, code, node, skipUntilAfter, skipUntil) {
            if (node === void 0) { node = undefined; }
            if (skipUntilAfter === void 0) { skipUntilAfter = []; }
            if (skipUntil === void 0) { skipUntil = []; }
            var start = scanner.getTokenOffset();
            var end = scanner.getTokenOffset() + scanner.getTokenLength();
            if (start === end && start > 0) {
                start--;
                while (start > 0 && /\s/.test(text.charAt(start))) {
                    start--;
                }
                end = start + 1;
            }
            _errorAtRange(message, code, start, end);
            if (node) {
                _finalize(node, false);
            }
            if (skipUntilAfter.length + skipUntil.length > 0) {
                var token_2 = scanner.getToken();
                while (token_2 !== 17 /* EOF */) {
                    if (skipUntilAfter.indexOf(token_2) !== -1) {
                        _scanNext();
                        break;
                    }
                    else if (skipUntil.indexOf(token_2) !== -1) {
                        break;
                    }
                    token_2 = _scanNext();
                }
            }
            return node;
        }
        function _checkScanError() {
            switch (scanner.getTokenError()) {
                case 4 /* InvalidUnicode */:
                    _error(localize('InvalidUnicode', 'Invalid unicode sequence in string.'), jsonLanguageTypes_1.ErrorCode.InvalidUnicode);
                    return true;
                case 5 /* InvalidEscapeCharacter */:
                    _error(localize('InvalidEscapeCharacter', 'Invalid escape character in string.'), jsonLanguageTypes_1.ErrorCode.InvalidEscapeCharacter);
                    return true;
                case 3 /* UnexpectedEndOfNumber */:
                    _error(localize('UnexpectedEndOfNumber', 'Unexpected end of number.'), jsonLanguageTypes_1.ErrorCode.UnexpectedEndOfNumber);
                    return true;
                case 1 /* UnexpectedEndOfComment */:
                    _error(localize('UnexpectedEndOfComment', 'Unexpected end of comment.'), jsonLanguageTypes_1.ErrorCode.UnexpectedEndOfComment);
                    return true;
                case 2 /* UnexpectedEndOfString */:
                    _error(localize('UnexpectedEndOfString', 'Unexpected end of string.'), jsonLanguageTypes_1.ErrorCode.UnexpectedEndOfString);
                    return true;
                case 6 /* InvalidCharacter */:
                    _error(localize('InvalidCharacter', 'Invalid characters in string. Control characters must be escaped.'), jsonLanguageTypes_1.ErrorCode.InvalidCharacter);
                    return true;
            }
            return false;
        }
        function _finalize(node, scanNext) {
            node.length = scanner.getTokenOffset() + scanner.getTokenLength() - node.offset;
            if (scanNext) {
                _scanNext();
            }
            return node;
        }
        function _parseArray(parent) {
            if (scanner.getToken() !== 3 /* OpenBracketToken */) {
                return undefined;
            }
            var node = new ArrayASTNodeImpl(parent, scanner.getTokenOffset());
            _scanNext(); // consume OpenBracketToken
            var count = 0;
            var needsComma = false;
            while (scanner.getToken() !== 4 /* CloseBracketToken */ && scanner.getToken() !== 17 /* EOF */) {
                if (scanner.getToken() === 5 /* CommaToken */) {
                    if (!needsComma) {
                        _error(localize('ValueExpected', 'Value expected'), jsonLanguageTypes_1.ErrorCode.ValueExpected);
                    }
                    var commaOffset = scanner.getTokenOffset();
                    _scanNext(); // consume comma
                    if (scanner.getToken() === 4 /* CloseBracketToken */) {
                        if (needsComma) {
                            _errorAtRange(localize('TrailingComma', 'Trailing comma'), jsonLanguageTypes_1.ErrorCode.TrailingComma, commaOffset, commaOffset + 1);
                        }
                        continue;
                    }
                }
                else if (needsComma) {
                    _error(localize('ExpectedComma', 'Expected comma'), jsonLanguageTypes_1.ErrorCode.CommaExpected);
                }
                var item = _parseValue(node);
                if (!item) {
                    _error(localize('PropertyExpected', 'Value expected'), jsonLanguageTypes_1.ErrorCode.ValueExpected, undefined, [], [4 /* CloseBracketToken */, 5 /* CommaToken */]);
                }
                else {
                    node.items.push(item);
                }
                needsComma = true;
            }
            if (scanner.getToken() !== 4 /* CloseBracketToken */) {
                return _error(localize('ExpectedCloseBracket', 'Expected comma or closing bracket'), jsonLanguageTypes_1.ErrorCode.CommaOrCloseBacketExpected, node);
            }
            return _finalize(node, true);
        }
        var keyPlaceholder = new StringASTNodeImpl(undefined, 0, 0);
        function _parseProperty(parent, keysSeen) {
            var node = new PropertyASTNodeImpl(parent, scanner.getTokenOffset(), keyPlaceholder);
            var key = _parseString(node);
            if (!key) {
                if (scanner.getToken() === 16 /* Unknown */) {
                    // give a more helpful error message
                    _error(localize('DoubleQuotesExpected', 'Property keys must be doublequoted'), jsonLanguageTypes_1.ErrorCode.Undefined);
                    var keyNode = new StringASTNodeImpl(node, scanner.getTokenOffset(), scanner.getTokenLength());
                    keyNode.value = scanner.getTokenValue();
                    key = keyNode;
                    _scanNext(); // consume Unknown
                }
                else {
                    return undefined;
                }
            }
            node.keyNode = key;
            var seen = keysSeen[key.value];
            if (seen) {
                _errorAtRange(localize('DuplicateKeyWarning', "Duplicate object key"), jsonLanguageTypes_1.ErrorCode.DuplicateKey, node.keyNode.offset, node.keyNode.offset + node.keyNode.length, jsonLanguageTypes_1.DiagnosticSeverity.Warning);
                if (typeof seen === 'object') {
                    _errorAtRange(localize('DuplicateKeyWarning', "Duplicate object key"), jsonLanguageTypes_1.ErrorCode.DuplicateKey, seen.keyNode.offset, seen.keyNode.offset + seen.keyNode.length, jsonLanguageTypes_1.DiagnosticSeverity.Warning);
                }
                keysSeen[key.value] = true; // if the same key is duplicate again, avoid duplicate error reporting
            }
            else {
                keysSeen[key.value] = node;
            }
            if (scanner.getToken() === 6 /* ColonToken */) {
                node.colonOffset = scanner.getTokenOffset();
                _scanNext(); // consume ColonToken
            }
            else {
                _error(localize('ColonExpected', 'Colon expected'), jsonLanguageTypes_1.ErrorCode.ColonExpected);
                if (scanner.getToken() === 10 /* StringLiteral */ && textDocument.positionAt(key.offset + key.length).line < textDocument.positionAt(scanner.getTokenOffset()).line) {
                    node.length = key.length;
                    return node;
                }
            }
            var value = _parseValue(node);
            if (!value) {
                return _error(localize('ValueExpected', 'Value expected'), jsonLanguageTypes_1.ErrorCode.ValueExpected, node, [], [2 /* CloseBraceToken */, 5 /* CommaToken */]);
            }
            node.valueNode = value;
            node.length = value.offset + value.length - node.offset;
            return node;
        }
        function _parseObject(parent) {
            if (scanner.getToken() !== 1 /* OpenBraceToken */) {
                return undefined;
            }
            var node = new ObjectASTNodeImpl(parent, scanner.getTokenOffset());
            var keysSeen = Object.create(null);
            _scanNext(); // consume OpenBraceToken
            var needsComma = false;
            while (scanner.getToken() !== 2 /* CloseBraceToken */ && scanner.getToken() !== 17 /* EOF */) {
                if (scanner.getToken() === 5 /* CommaToken */) {
                    if (!needsComma) {
                        _error(localize('PropertyExpected', 'Property expected'), jsonLanguageTypes_1.ErrorCode.PropertyExpected);
                    }
                    var commaOffset = scanner.getTokenOffset();
                    _scanNext(); // consume comma
                    if (scanner.getToken() === 2 /* CloseBraceToken */) {
                        if (needsComma) {
                            _errorAtRange(localize('TrailingComma', 'Trailing comma'), jsonLanguageTypes_1.ErrorCode.TrailingComma, commaOffset, commaOffset + 1);
                        }
                        continue;
                    }
                }
                else if (needsComma) {
                    _error(localize('ExpectedComma', 'Expected comma'), jsonLanguageTypes_1.ErrorCode.CommaExpected);
                }
                var property = _parseProperty(node, keysSeen);
                if (!property) {
                    _error(localize('PropertyExpected', 'Property expected'), jsonLanguageTypes_1.ErrorCode.PropertyExpected, undefined, [], [2 /* CloseBraceToken */, 5 /* CommaToken */]);
                }
                else {
                    node.properties.push(property);
                }
                needsComma = true;
            }
            if (scanner.getToken() !== 2 /* CloseBraceToken */) {
                return _error(localize('ExpectedCloseBrace', 'Expected comma or closing brace'), jsonLanguageTypes_1.ErrorCode.CommaOrCloseBraceExpected, node);
            }
            return _finalize(node, true);
        }
        function _parseString(parent) {
            if (scanner.getToken() !== 10 /* StringLiteral */) {
                return undefined;
            }
            var node = new StringASTNodeImpl(parent, scanner.getTokenOffset());
            node.value = scanner.getTokenValue();
            return _finalize(node, true);
        }
        function _parseNumber(parent) {
            if (scanner.getToken() !== 11 /* NumericLiteral */) {
                return undefined;
            }
            var node = new NumberASTNodeImpl(parent, scanner.getTokenOffset());
            if (scanner.getTokenError() === 0 /* None */) {
                var tokenValue = scanner.getTokenValue();
                try {
                    var numberValue = JSON.parse(tokenValue);
                    if (!objects_1.isNumber(numberValue)) {
                        return _error(localize('InvalidNumberFormat', 'Invalid number format.'), jsonLanguageTypes_1.ErrorCode.Undefined, node);
                    }
                    node.value = numberValue;
                }
                catch (e) {
                    return _error(localize('InvalidNumberFormat', 'Invalid number format.'), jsonLanguageTypes_1.ErrorCode.Undefined, node);
                }
                node.isInteger = tokenValue.indexOf('.') === -1;
            }
            return _finalize(node, true);
        }
        function _parseLiteral(parent) {
            var node;
            switch (scanner.getToken()) {
                case 7 /* NullKeyword */:
                    return _finalize(new NullASTNodeImpl(parent, scanner.getTokenOffset()), true);
                case 8 /* TrueKeyword */:
                    return _finalize(new BooleanASTNodeImpl(parent, true, scanner.getTokenOffset()), true);
                case 9 /* FalseKeyword */:
                    return _finalize(new BooleanASTNodeImpl(parent, false, scanner.getTokenOffset()), true);
                default:
                    return undefined;
            }
        }
        function _parseValue(parent) {
            return _parseArray(parent) || _parseObject(parent) || _parseString(parent) || _parseNumber(parent) || _parseLiteral(parent);
        }
        var _root = undefined;
        var token = _scanNext();
        if (token !== 17 /* EOF */) {
            _root = _parseValue(_root);
            if (!_root) {
                _error(localize('Invalid symbol', 'Expected a JSON object, array or literal.'), jsonLanguageTypes_1.ErrorCode.Undefined);
            }
            else if (scanner.getToken() !== 17 /* EOF */) {
                _error(localize('End of file expected', 'End of file expected.'), jsonLanguageTypes_1.ErrorCode.Undefined);
            }
        }
        return new JSONDocument(_root, problems, commentRanges);
    }
    exports.parse = parse;
});
