/*---------------------------------------------------------------------------------------------
 *  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 = {
        brackets: [
            ['{', '}'],
            ['[', ']'],
            ['(', ')']
        ],
        autoClosingPairs: [
            { open: '{', close: '}' },
            { open: '[', close: ']' },
            { open: '(', close: ')' },
            { open: '"', close: '"' },
            { open: '\'', close: '\'' },
        ],
        surroundingPairs: [
            { open: '{', close: '}' },
            { open: '[', close: ']' },
            { open: '(', close: ')' },
            { open: '"', close: '"' },
            { open: '\'', close: '\'' },
        ]
    };
    exports.language = {
        tokenPostfix: '.tcl',
        specialFunctions: [
            'set', 'unset', 'rename', 'variable', 'proc', 'coroutine',
            'foreach',
            'incr', 'append',
            'lappend', 'linsert', 'lreplace'
        ],
        mainFunctions: [
            'if', 'then', 'elseif', 'else', 'case', 'switch', 'while', 'for',
            'break', 'continue', 'return',
            'package', 'namespace',
            'catch', 'exit',
            'eval', 'expr', 'uplevel', 'upvar'
        ],
        builtinFunctions: [
            'file', 'info', 'concat', 'join', 'lindex',
            'list', 'llength', 'lrange', 'lsearch', 'lsort', 'split',
            'array', 'parray', 'binary', 'format', 'regexp', 'regsub', 'scan', 'string',
            'subst', 'dict', 'cd', 'clock', 'exec', 'glob', 'pid', 'pwd', 'close', 'eof', 'fblocked',
            'fconfigure', 'fcopy', 'fileevent', 'flush', 'gets', 'open', 'puts', 'read', 'seek',
            'socket', 'tell', 'interp', 'after', 'auto_execok',
            'auto_load', 'auto_mkindex', 'auto_reset', 'bgerror', 'error',
            'global', 'history', 'load', 'source', 'time', 'trace',
            'unknown', 'unset', 'update', 'vwait', 'winfo', 'wm', 'bind', 'event',
            'pack', 'place', 'grid', 'font', 'bell', 'clipboard', 'destroy', 'focus', 'grab', 'lower',
            'option', 'raise', 'selection', 'send', 'tk', 'tkwait', 'tk_bisque', 'tk_focusNext',
            'tk_focusPrev', 'tk_focusFollowsMouse', 'tk_popup', 'tk_setPalette'
        ],
        symbols: /[=><!~?:&|+\-*\/\^%]+/,
        brackets: [
            { open: '(', close: ')', token: 'delimiter.parenthesis' },
            { open: '{', close: '}', token: 'delimiter.curly' },
            { open: '[', close: ']', token: 'delimiter.square' }
        ],
        escapes: /\\(?:[abfnrtv\\"'\[\]\{\};\$]|x[0-9A-Fa-f]{1,4}|u[0-9A-Fa-f]{4}|U[0-9A-Fa-f]{8})/,
        variables: /(?:\$+(?:(?:\:\:?)?[a-zA-Z_]\w*)+)/,
        tokenizer: {
            root: [
                // identifiers and keywords
                [/[a-zA-Z_]\w*/, { cases: {
                            '@specialFunctions': { token: 'keyword.flow', next: '@specialFunc' },
                            '@mainFunctions': 'keyword',
                            '@builtinFunctions': 'variable',
                            '@default': 'operator.scss'
                        } }],
                [/\s+\-+(?!\d|\.)\w*|{\*}/, 'metatag'],
                // whitespace
                { include: '@whitespace' },
                // delimiters and operators
                [/[{}()\[\]]/, '@brackets'],
                [/@symbols/, 'operator'],
                [/\$+(?:\:\:)?\{/, { token: 'identifier', next: '@nestedVariable' }],
                [/@variables/, 'type.identifier'],
                [/\.(?!\d|\.)[\w\-]*/, 'operator.sql'],
                // numbers
                [/\d+(\.\d+)?/, 'number'],
                [/\d+/, 'number'],
                // delimiter
                [/;/, 'delimiter'],
                // strings
                [/"/, { token: 'string.quote', bracket: '@open', next: '@dstring' }],
                [/'/, { token: 'string.quote', bracket: '@open', next: '@sstring' }]
            ],
            dstring: [
                [/\[/, { token: '@brackets', next: '@nestedCall' }],
                [/\$+(?:\:\:)?\{/, { token: 'identifier', next: '@nestedVariable' }],
                [/@variables/, 'type.identifier'],
                [/[^\\$\[\]"]+/, 'string'],
                [/@escapes/, 'string.escape'],
                [/"/, { token: 'string.quote', bracket: '@close', next: '@pop' }],
            ],
            sstring: [
                [/\[/, { token: '@brackets', next: '@nestedCall' }],
                [/\$+(?:\:\:)?\{/, { token: 'identifier', next: '@nestedVariable' }],
                [/@variables/, 'type.identifier'],
                [/[^\\$\[\]']+/, 'string'],
                [/@escapes/, 'string.escape'],
                [/'/, { token: 'string.quote', bracket: '@close', next: '@pop' }]
            ],
            whitespace: [
                [/[ \t\r\n]+/, 'white'],
                [/#.*\\$/, { token: 'comment', next: '@newlineComment' }],
                [/#.*(?!\\)$/, 'comment']
            ],
            newlineComment: [
                [/.*\\$/, 'comment'],
                [/.*(?!\\)$/, { token: 'comment', next: '@pop' }]
            ],
            nestedVariable: [
                [/[^\{\}\$]+/, 'type.identifier'],
                [/\}/, { token: 'identifier', next: '@pop' }]
            ],
            nestedCall: [
                [/\[/, { token: '@brackets', next: '@nestedCall' }],
                [/\]/, { token: '@brackets', next: '@pop' }],
                { include: 'root' }
            ],
            specialFunc: [
                [/"/, { token: 'string', next: '@dstring' }],
                [/'/, { token: 'string', next: '@sstring' }],
                [/\S+/, { token: 'type', next: '@pop' }],
            ]
        }
    };
});
