/*---------------------------------------------------------------------------------------------
 *  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: '#'
    },
    brackets: [
        ['{', '}'],
        ['[', ']'],
        ['(', ')']
    ],
    autoClosingPairs: [
        { open: '{', close: '}' },
        { open: '[', close: ']' },
        { open: '(', close: ')' },
        { open: '"""', close: '"""', notIn: ['string', 'comment'] },
        { open: '"', close: '"', notIn: ['string', 'comment'] },
    ],
    surroundingPairs: [
        { open: '{', close: '}' },
        { open: '[', close: ']' },
        { open: '(', close: ')' },
        { open: '"""', close: '"""' },
        { open: '"', close: '"' },
    ],
    folding: {
        offSide: true
    }
};
export var language = {
    // Set defaultToken to invalid to see what you do not tokenize yet
    defaultToken: 'invalid',
    tokenPostfix: '.gql',
    keywords: [
        'null', 'true', 'false',
        'query', 'mutation', 'subscription',
        'extend', 'schema', 'directive',
        'scalar', 'type', 'interface', 'union', 'enum', 'input', 'implements',
        'fragment', 'on',
    ],
    typeKeywords: ['Int', 'Float', 'String', 'Boolean', 'ID'],
    directiveLocations: [
        'SCHEMA', 'SCALAR', 'OBJECT', 'FIELD_DEFINITION', 'ARGUMENT_DEFINITION',
        'INTERFACE', 'UNION', 'ENUM', 'ENUM_VALUE', 'INPUT_OBJECT', 'INPUT_FIELD_DEFINITION',
        'QUERY', 'MUTATION', 'SUBSCRIPTION', 'FIELD', 'FRAGMENT_DEFINITION',
        'FRAGMENT_SPREAD', 'INLINE_FRAGMENT', 'VARIABLE_DEFINITION',
    ],
    operators: ['=', '!', '?', ':', '&', '|'],
    // we include these common regular expressions
    symbols: /[=!?:&|]+/,
    // https://facebook.github.io/graphql/draft/#sec-String-Value
    escapes: /\\(?:["\\\/bfnrt]|u[0-9A-Fa-f]{4})/,
    // The main tokenizer for our languages
    tokenizer: {
        root: [
            // fields and argument names
            [
                /[a-z_][\w$]*/,
                {
                    cases: {
                        '@keywords': 'keyword',
                        '@default': 'key.identifier',
                    },
                },
            ],
            // identify typed input variables
            [
                /[$][\w$]*/,
                {
                    cases: {
                        '@keywords': 'keyword',
                        '@default': 'argument.identifier',
                    },
                },
            ],
            // to show class names nicely
            [
                /[A-Z][\w\$]*/,
                {
                    cases: {
                        '@typeKeywords': 'keyword',
                        '@default': 'type.identifier',
                    },
                },
            ],
            // whitespace
            { include: '@whitespace' },
            // delimiters and operators
            [/[{}()\[\]]/, '@brackets'],
            [
                /@symbols/,
                { cases: { '@operators': 'operator', '@default': '' } },
            ],
            // @ annotations.
            // As an example, we emit a debugging log message on these tokens.
            // Note: message are supressed during the first load -- change some lines to see them.
            [
                /@\s*[a-zA-Z_\$][\w\$]*/,
                { token: 'annotation', log: 'annotation token: $0' },
            ],
            // numbers
            [/\d*\.\d+([eE][\-+]?\d+)?/, 'number.float'],
            [/0[xX][0-9a-fA-F]+/, 'number.hex'],
            [/\d+/, 'number'],
            // delimiter: after number because of .\d floats
            [/[;,.]/, 'delimiter'],
            [/"""/,
                { token: 'string', next: '@mlstring', nextEmbedded: 'markdown' }
            ],
            // strings
            [/"([^"\\]|\\.)*$/, 'string.invalid'],
            [/"/, { token: 'string.quote', bracket: '@open', next: '@string' }],
        ],
        mlstring: [
            [/[^"]+/, 'string'],
            ['"""', { token: 'string', next: '@pop', nextEmbedded: '@pop' }]
        ],
        string: [
            [/[^\\"]+/, 'string'],
            [/@escapes/, 'string.escape'],
            [/\\./, 'string.escape.invalid'],
            [/"/, { token: 'string.quote', bracket: '@close', next: '@pop' }],
        ],
        whitespace: [[/[ \t\r\n]+/, ''], [/#.*$/, 'comment']],
    },
};
