/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/
'use strict';
export var conf = {
    comments: {
        lineComment: '//',
        blockComment: ['(*', '*)'],
    },
    brackets: [
        ['{', '}'],
        ['[', ']'],
        ['(', ')'],
        ['var', 'end_var'],
        ['var_input', 'end_var'],
        ['var_output', 'end_var'],
        ['var_in_out', 'end_var'],
        ['var_temp', 'end_var'],
        ['var_global', 'end_var'],
        ['var_access', 'end_var'],
        ['var_external', 'end_var'],
        ['type', 'end_type'],
        ['struct', 'end_struct'],
        ['program', 'end_program'],
        ['function', 'end_function'],
        ['function_block', 'end_function_block'],
        ['action', 'end_action'],
        ['step', 'end_step'],
        ['initial_step', 'end_step'],
        ['transaction', 'end_transaction'],
        ['configuration', 'end_configuration'],
        ['tcp', 'end_tcp'],
        ['recource', 'end_recource'],
        ['channel', 'end_channel'],
        ['library', 'end_library'],
        ['folder', 'end_folder'],
        ['binaries', 'end_binaries'],
        ['includes', 'end_includes'],
        ['sources', 'end_sources']
    ],
    autoClosingPairs: [
        { open: '[', close: ']' },
        { open: '{', close: '}' },
        { open: '(', close: ')' },
        { open: '/*', close: '*/' },
        { open: '\'', close: '\'', notIn: ['string_sq'] },
        { open: '"', close: '"', notIn: ['string_dq'] },
        { open: 'var_input', close: 'end_var' },
        { open: 'var_output', close: 'end_var' },
        { open: 'var_in_out', close: 'end_var' },
        { open: 'var_temp', close: 'end_var' },
        { open: 'var_global', close: 'end_var' },
        { open: 'var_access', close: 'end_var' },
        { open: 'var_external', close: 'end_var' },
        { open: 'type', close: 'end_type' },
        { open: 'struct', close: 'end_struct' },
        { open: 'program', close: 'end_program' },
        { open: 'function', close: 'end_function' },
        { open: 'function_block', close: 'end_function_block' },
        { open: 'action', close: 'end_action' },
        { open: 'step', close: 'end_step' },
        { open: 'initial_step', close: 'end_step' },
        { open: 'transaction', close: 'end_transaction' },
        { open: 'configuration', close: 'end_configuration' },
        { open: 'tcp', close: 'end_tcp' },
        { open: 'recource', close: 'end_recource' },
        { open: 'channel', close: 'end_channel' },
        { open: 'library', close: 'end_library' },
        { open: 'folder', close: 'end_folder' },
        { open: 'binaries', close: 'end_binaries' },
        { open: 'includes', close: 'end_includes' },
        { open: 'sources', close: 'end_sources' }
    ],
    surroundingPairs: [
        { open: '{', close: '}' },
        { open: '[', close: ']' },
        { open: '(', close: ')' },
        { open: '"', close: '"' },
        { open: '\'', close: '\'' },
        { open: 'var', close: 'end_var' },
        { open: 'var_input', close: 'end_var' },
        { open: 'var_output', close: 'end_var' },
        { open: 'var_in_out', close: 'end_var' },
        { open: 'var_temp', close: 'end_var' },
        { open: 'var_global', close: 'end_var' },
        { open: 'var_access', close: 'end_var' },
        { open: 'var_external', close: 'end_var' },
        { open: 'type', close: 'end_type' },
        { open: 'struct', close: 'end_struct' },
        { open: 'program', close: 'end_program' },
        { open: 'function', close: 'end_function' },
        { open: 'function_block', close: 'end_function_block' },
        { open: 'action', close: 'end_action' },
        { open: 'step', close: 'end_step' },
        { open: 'initial_step', close: 'end_step' },
        { open: 'transaction', close: 'end_transaction' },
        { open: 'configuration', close: 'end_configuration' },
        { open: 'tcp', close: 'end_tcp' },
        { open: 'recource', close: 'end_recource' },
        { open: 'channel', close: 'end_channel' },
        { open: 'library', close: 'end_library' },
        { open: 'folder', close: 'end_folder' },
        { open: 'binaries', close: 'end_binaries' },
        { open: 'includes', close: 'end_includes' },
        { open: 'sources', close: 'end_sources' }
    ],
    folding: {
        markers: {
            start: new RegExp("^\\s*#pragma\\s+region\\b"),
            end: new RegExp("^\\s*#pragma\\s+endregion\\b")
        }
    }
};
export var language = {
    defaultToken: '',
    tokenPostfix: '.st',
    ignoreCase: true,
    brackets: [
        { token: 'delimiter.curly', open: '{', close: '}' },
        { token: 'delimiter.parenthesis', open: '(', close: ')' },
        { token: 'delimiter.square', open: '[', close: ']' }
    ],
    keywords: ['if', 'end_if', 'elsif', 'else', 'case', 'of', 'to', '__try', '__catch', '__finally',
        'do', 'with', 'by', 'while', 'repeat', 'end_while', 'end_repeat', 'end_case',
        'for', 'end_for', 'task', 'retain', 'non_retain', 'constant', 'with', 'at',
        'exit', 'return', 'interval', 'priority', 'address', 'port', 'on_channel',
        'then', 'iec', 'file', 'uses', 'version', 'packagetype', 'displayname',
        'copyright', 'summary', 'vendor', 'common_source', 'from', 'extends'],
    constant: ['false', 'true', 'null'],
    defineKeywords: [
        'var', 'var_input', 'var_output', 'var_in_out', 'var_temp', 'var_global',
        'var_access', 'var_external', 'end_var',
        'type', 'end_type', 'struct', 'end_struct', 'program', 'end_program',
        'function', 'end_function', 'function_block', 'end_function_block',
        'interface', 'end_interface', 'method', 'end_method',
        'property', 'end_property', 'namespace', 'end_namespace',
        'configuration', 'end_configuration', 'tcp', 'end_tcp', 'resource',
        'end_resource', 'channel', 'end_channel', 'library', 'end_library',
        'folder', 'end_folder', 'binaries', 'end_binaries', 'includes',
        'end_includes', 'sources', 'end_sources',
        'action', 'end_action', 'step', 'initial_step', 'end_step', 'transaction', 'end_transaction'
    ],
    typeKeywords: ['int', 'sint', 'dint', 'lint', 'usint', 'uint', 'udint', 'ulint',
        'real', 'lreal', 'time', 'date', 'time_of_day', 'date_and_time', 'string',
        'bool', 'byte', 'word', 'dword', 'array', 'pointer', 'lword'],
    operators: ['=', '>', '<', ':', ':=', '<=', '>=', '<>', '&', '+', '-', '*', '**',
        'MOD', '^', 'or', 'and', 'not', 'xor', 'abs', 'acos', 'asin', 'atan', 'cos',
        'exp', 'expt', 'ln', 'log', 'sin', 'sqrt', 'tan', 'sel', 'max', 'min', 'limit',
        'mux', 'shl', 'shr', 'rol', 'ror', 'indexof', 'sizeof', 'adr', 'adrinst',
        'bitadr', 'is_valid', 'ref', 'ref_to'],
    builtinVariables: [],
    builtinFunctions: ['sr', 'rs', 'tp', 'ton', 'tof', 'eq', 'ge', 'le', 'lt',
        'ne', 'round', 'trunc', 'ctd', 'сtu', 'ctud', 'r_trig', 'f_trig',
        'move', 'concat', 'delete', 'find', 'insert', 'left', 'len', 'replace',
        'right', 'rtc'],
    // we include these common regular expressions
    symbols: /[=><!~?:&|+\-*\/\^%]+/,
    // C# style strings
    escapes: /\\(?:[abfnrtv\\"']|x[0-9A-Fa-f]{1,4}|u[0-9A-Fa-f]{4}|U[0-9A-Fa-f]{8})/,
    // The main tokenizer for our languages
    tokenizer: {
        root: [
            [/(\.\.)/, 'delimiter'],
            [/\b(16#[0-9A-Fa-f\_]*)+\b/, 'number.hex'],
            [/\b(2#[01\_]+)+\b/, 'number.binary'],
            [/\b(8#[0-9\_]*)+\b/, 'number.octal'],
            [/\b\d*\.\d+([eE][\-+]?\d+)?\b/, 'number.float'],
            [/\b(L?REAL)#[0-9\_\.e]+\b/, 'number.float'],
            [/\b(BYTE|(?:D|L)?WORD|U?(?:S|D|L)?INT)#[0-9\_]+\b/, 'number'],
            [/\d+/, 'number'],
            [/\b(T|DT|TOD)#[0-9:-_shmyd]+\b/, 'tag'],
            [/\%(I|Q|M)(X|B|W|D|L)[0-9\.]+/, 'tag'],
            [/\%(I|Q|M)[0-9\.]*/, 'tag'],
            [/\b[A-Za-z]{1,6}#[0-9]+\b/, 'tag'],
            [/\b(TO_|CTU_|CTD_|CTUD_|MUX_|SEL_)[A_Za-z]+\b/, 'predefined'],
            [/\b[A_Za-z]+(_TO_)[A_Za-z]+\b/, 'predefined'],
            [/[;]/, 'delimiter'],
            [/[.]/, { token: 'delimiter', next: '@params' }],
            // identifiers and keywords
            [/[a-zA-Z_]\w*/, {
                    cases: {
                        '@operators': 'operators',
                        '@keywords': 'keyword',
                        '@typeKeywords': 'type',
                        '@defineKeywords': 'variable',
                        '@constant': 'constant',
                        '@builtinVariables': 'predefined',
                        '@builtinFunctions': 'predefined',
                        '@default': 'identifier'
                    }
                }],
            { include: '@whitespace' },
            [/[{}()\[\]]/, '@brackets'],
            [/"([^"\\]|\\.)*$/, 'string.invalid'],
            [/"/, { token: 'string.quote', bracket: '@open', next: '@string_dq' }],
            [/'/, { token: 'string.quote', bracket: '@open', next: '@string_sq' }],
            [/'[^\\']'/, 'string'],
            [/(')(@escapes)(')/, ['string', 'string.escape', 'string']],
            [/'/, 'string.invalid']
        ],
        params: [
            [/\b[A-Za-z0-9_]+\b(?=\()/, { token: 'identifier', next: '@pop' }],
            [/\b[A-Za-z0-9_]+\b/, 'variable.name', '@pop']
        ],
        comment: [
            [/[^\/*]+/, 'comment'],
            [/\/\*/, 'comment', '@push'],
            ["\\*/", 'comment', '@pop'],
            [/[\/*]/, 'comment']
        ],
        comment2: [
            [/[^\(*]+/, 'comment'],
            [/\(\*/, 'comment', '@push'],
            ["\\*\\)", 'comment', '@pop'],
            [/[\(*]/, 'comment']
        ],
        whitespace: [
            [/[ \t\r\n]+/, 'white'],
            [/\/\/.*$/, 'comment'],
            [/\/\*/, 'comment', '@comment'],
            [/\(\*/, 'comment', '@comment2'],
        ],
        string_dq: [
            [/[^\\"]+/, 'string'],
            [/@escapes/, 'string.escape'],
            [/\\./, 'string.escape.invalid'],
            [/"/, { token: 'string.quote', bracket: '@close', next: '@pop' }]
        ],
        string_sq: [
            [/[^\\']+/, 'string'],
            [/@escapes/, 'string.escape'],
            [/\\./, 'string.escape.invalid'],
            [/'/, { token: 'string.quote', bracket: '@close', next: '@pop' }]
        ]
    }
};
