/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/
define(["require", "exports"], function (require, exports) {
    'use strict';
    Object.defineProperty(exports, "__esModule", { value: true });
    exports.conf = {
        comments: {
            lineComment: '\'',
            blockComment: ['/*', '*/'],
        },
        brackets: [
            ['{', '}'], ['[', ']'], ['(', ')'], ['<', '>'],
            ['addhandler', 'end addhandler'],
            ['class', 'end class'],
            ['enum', 'end enum'],
            ['event', 'end event'],
            ['function', 'end function'],
            ['get', 'end get'],
            ['if', 'end if'],
            ['interface', 'end interface'],
            ['module', 'end module'],
            ['namespace', 'end namespace'],
            ['operator', 'end operator'],
            ['property', 'end property'],
            ['raiseevent', 'end raiseevent'],
            ['removehandler', 'end removehandler'],
            ['select', 'end select'],
            ['set', 'end set'],
            ['structure', 'end structure'],
            ['sub', 'end sub'],
            ['synclock', 'end synclock'],
            ['try', 'end try'],
            ['while', 'end while'],
            ['with', 'end with'],
            ['using', 'end using'],
            ['do', 'loop'],
            ['for', 'next']
        ],
        autoClosingPairs: [
            { open: '{', close: '}', notIn: ['string', 'comment'] },
            { open: '[', close: ']', notIn: ['string', 'comment'] },
            { open: '(', close: ')', notIn: ['string', 'comment'] },
            { open: '"', close: '"', notIn: ['string', 'comment'] },
            { open: '<', close: '>', notIn: ['string', 'comment'] },
        ],
        folding: {
            markers: {
                start: new RegExp("^\\s*#Region\\b"),
                end: new RegExp("^\\s*#End Region\\b")
            }
        }
    };
    exports.language = {
        defaultToken: '',
        tokenPostfix: '.vb',
        ignoreCase: true,
        brackets: [
            { token: 'delimiter.bracket', open: '{', close: '}' },
            { token: 'delimiter.array', open: '[', close: ']' },
            { token: 'delimiter.parenthesis', open: '(', close: ')' },
            { token: 'delimiter.angle', open: '<', close: '>' },
            // Special bracket statement pairs
            // according to https://msdn.microsoft.com/en-us/library/tsw2a11z.aspx
            { token: 'keyword.tag-addhandler', open: 'addhandler', close: 'end addhandler' },
            { token: 'keyword.tag-class', open: 'class', close: 'end class' },
            { token: 'keyword.tag-enum', open: 'enum', close: 'end enum' },
            { token: 'keyword.tag-event', open: 'event', close: 'end event' },
            { token: 'keyword.tag-function', open: 'function', close: 'end function' },
            { token: 'keyword.tag-get', open: 'get', close: 'end get' },
            { token: 'keyword.tag-if', open: 'if', close: 'end if' },
            { token: 'keyword.tag-interface', open: 'interface', close: 'end interface' },
            { token: 'keyword.tag-module', open: 'module', close: 'end module' },
            { token: 'keyword.tag-namespace', open: 'namespace', close: 'end namespace' },
            { token: 'keyword.tag-operator', open: 'operator', close: 'end operator' },
            { token: 'keyword.tag-property', open: 'property', close: 'end property' },
            { token: 'keyword.tag-raiseevent', open: 'raiseevent', close: 'end raiseevent' },
            { token: 'keyword.tag-removehandler', open: 'removehandler', close: 'end removehandler' },
            { token: 'keyword.tag-select', open: 'select', close: 'end select' },
            { token: 'keyword.tag-set', open: 'set', close: 'end set' },
            { token: 'keyword.tag-structure', open: 'structure', close: 'end structure' },
            { token: 'keyword.tag-sub', open: 'sub', close: 'end sub' },
            { token: 'keyword.tag-synclock', open: 'synclock', close: 'end synclock' },
            { token: 'keyword.tag-try', open: 'try', close: 'end try' },
            { token: 'keyword.tag-while', open: 'while', close: 'end while' },
            { token: 'keyword.tag-with', open: 'with', close: 'end with' },
            // Other pairs
            { token: 'keyword.tag-using', open: 'using', close: 'end using' },
            { token: 'keyword.tag-do', open: 'do', close: 'loop' },
            { token: 'keyword.tag-for', open: 'for', close: 'next' }
        ],
        keywords: [
            'AddHandler', 'AddressOf', 'Alias', 'And', 'AndAlso', 'As', 'Async', 'Boolean', 'ByRef', 'Byte', 'ByVal', 'Call',
            'Case', 'Catch', 'CBool', 'CByte', 'CChar', 'CDate', 'CDbl', 'CDec', 'Char', 'CInt', 'Class', 'CLng',
            'CObj', 'Const', 'Continue', 'CSByte', 'CShort', 'CSng', 'CStr', 'CType', 'CUInt', 'CULng', 'CUShort',
            'Date', 'Decimal', 'Declare', 'Default', 'Delegate', 'Dim', 'DirectCast', 'Do', 'Double', 'Each', 'Else',
            'ElseIf', 'End', 'EndIf', 'Enum', 'Erase', 'Error', 'Event', 'Exit', 'False', 'Finally', 'For', 'Friend',
            'Function', 'Get', 'GetType', 'GetXMLNamespace', 'Global', 'GoSub', 'GoTo', 'Handles', 'If', 'Implements',
            'Imports', 'In', 'Inherits', 'Integer', 'Interface', 'Is', 'IsNot', 'Let', 'Lib', 'Like', 'Long', 'Loop',
            'Me', 'Mod', 'Module', 'MustInherit', 'MustOverride', 'MyBase', 'MyClass', 'NameOf', 'Namespace', 'Narrowing', 'New',
            'Next', 'Not', 'Nothing', 'NotInheritable', 'NotOverridable', 'Object', 'Of', 'On', 'Operator', 'Option',
            'Optional', 'Or', 'OrElse', 'Out', 'Overloads', 'Overridable', 'Overrides', 'ParamArray', 'Partial',
            'Private', 'Property', 'Protected', 'Public', 'RaiseEvent', 'ReadOnly', 'ReDim', 'RemoveHandler', 'Resume',
            'Return', 'SByte', 'Select', 'Set', 'Shadows', 'Shared', 'Short', 'Single', 'Static', 'Step', 'Stop',
            'String', 'Structure', 'Sub', 'SyncLock', 'Then', 'Throw', 'To', 'True', 'Try', 'TryCast', 'TypeOf',
            'UInteger', 'ULong', 'UShort', 'Using', 'Variant', 'Wend', 'When', 'While', 'Widening', 'With', 'WithEvents',
            'WriteOnly', 'Xor'
        ],
        tagwords: [
            'If', 'Sub', 'Select', 'Try', 'Class', 'Enum',
            'Function', 'Get', 'Interface', 'Module', 'Namespace', 'Operator', 'Set', 'Structure', 'Using', 'While', 'With',
            'Do', 'Loop', 'For', 'Next', 'Property', 'Continue', 'AddHandler', 'RemoveHandler', 'Event', 'RaiseEvent', 'SyncLock'
        ],
        // we include these common regular expressions
        symbols: /[=><!~?;\.,:&|+\-*\/\^%]+/,
        escapes: /\\(?:[abfnrtv\\"']|x[0-9A-Fa-f]{1,4}|u[0-9A-Fa-f]{4}|U[0-9A-Fa-f]{8})/,
        integersuffix: /U?[DI%L&S@]?/,
        floatsuffix: /[R#F!]?/,
        // The main tokenizer for our languages
        tokenizer: {
            root: [
                // whitespace
                { include: '@whitespace' },
                // special ending tag-words
                [/next(?!\w)/, { token: 'keyword.tag-for' }],
                [/loop(?!\w)/, { token: 'keyword.tag-do' }],
                // usual ending tags
                [/end\s+(?!for|do)(addhandler|class|enum|event|function|get|if|interface|module|namespace|operator|property|raiseevent|removehandler|select|set|structure|sub|synclock|try|while|with|using)/, { token: 'keyword.tag-$1' }],
                // identifiers, tagwords, and keywords
                [/[a-zA-Z_]\w*/, {
                        cases: {
                            '@tagwords': { token: 'keyword.tag-$0' },
                            '@keywords': { token: 'keyword.$0' },
                            '@default': 'identifier'
                        }
                    }],
                // Preprocessor directive
                [/^\s*#\w+/, 'keyword'],
                // numbers
                [/\d*\d+e([\-+]?\d+)?(@floatsuffix)/, 'number.float'],
                [/\d*\.\d+(e[\-+]?\d+)?(@floatsuffix)/, 'number.float'],
                [/&H[0-9a-f]+(@integersuffix)/, 'number.hex'],
                [/&0[0-7]+(@integersuffix)/, 'number.octal'],
                [/\d+(@integersuffix)/, 'number'],
                // date literal
                [/#.*#/, 'number'],
                // delimiters and operators
                [/[{}()\[\]]/, '@brackets'],
                [/@symbols/, 'delimiter'],
                // strings
                [/"/, 'string', '@string'],
            ],
            whitespace: [
                [/[ \t\r\n]+/, ''],
                [/(\'|REM(?!\w)).*$/, 'comment'],
            ],
            string: [
                [/[^\\"]+/, 'string'],
                [/@escapes/, 'string.escape'],
                [/\\./, 'string.escape.invalid'],
                [/"C?/, 'string', '@pop']
            ],
        },
    };
});
