static/modes/nc-mode.ts

// Copyright (c) 2018, Compiler Explorer Authors
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
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//     * Redistributions of source code must retain the above copyright notice,
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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import $ from 'jquery';

import * as monaco from 'monaco-editor';
import * as cpp from 'monaco-editor/esm/vs/basic-languages/cpp/cpp';

// We need to ensure we use proper keywords for the Monaco Editor matcher. Note how
// https://github.com/Microsoft/monaco-languages/ lacks, as far as I can tell, proper C support. We cheat and use C++
function definition(): monaco.languages.IMonarchLanguage {
    const nc = $.extend(true, {}, cpp.language); // deep copy
    // https://en.cppreference.com/w/c/keyword
    nc.keywords = [
        'auto',
        'break',
        'case',
        'char',
        'const',
        'continue',
        'default',
        'do',
        'double',
        'else',
        'enum',
        'extern',
        'float',
        'for',
        'goto',
        'if',
        'inline',
        'int',
        'long',
        'register',
        'restrict',
        'return',
        'short',
        'signed',
        'sizeof',
        'static',
        'struct',
        'switch',
        'typedef',
        'union',
        'unsigned',
        'void',
        'volatile',
        'while',
        '_Alignas',
        '_Alignof',
        '_Atomic',
        '_Bool',
        '_Complex',
        '_Generic',
        '_Imaginary',
        '_Noreturn',
        '_Static_assert',
        '_Thread_local',
    ];
    return nc;
}

const def = definition();

monaco.languages.register({id: 'nc'});
monaco.languages.setLanguageConfiguration('nc', cpp.conf);
monaco.languages.setMonarchTokensProvider('nc', def);

export = def;