/*
 Language: Zephir
 Description: Zephir, an open source, high-level language designed to ease the creation and maintainability of extensions for PHP with a focus on type and memory safety.
 Author: Oleg Efimov <efimovov@gmail.com>
 Website: https://zephir-lang.com/en
 Audit: 2020
 */
/** @type LanguageFn */
function zephir(hljs) {
    const STRING = {
        className: 'string',
        contains: [hljs.BACKSLASH_ESCAPE],
        variants: [
            hljs.inherit(hljs.APOS_STRING_MODE, { illegal: null }),
            hljs.inherit(hljs.QUOTE_STRING_MODE, { illegal: null })
        ]
    };
    const TITLE_MODE = hljs.UNDERSCORE_TITLE_MODE;
    const NUMBER = { variants: [
            hljs.BINARY_NUMBER_MODE,
            hljs.C_NUMBER_MODE
        ] };
    const KEYWORDS = 
    // classes and objects
    'namespace class interface use extends '
        + 'function return '
        + 'abstract final public protected private static deprecated '
        // error handling
        + 'throw try catch Exception '
        // keyword-ish things their website does NOT seem to highlight (in their own snippets)
        // 'typeof fetch in ' +
        // operators/helpers
        + 'echo empty isset instanceof unset '
        // assignment/variables
        + 'let var new const self '
        // control
        + 'require '
        + 'if else elseif switch case default '
        + 'do while loop for continue break '
        + 'likely unlikely '
        // magic constants
        // https://github.com/phalcon/zephir/blob/master/Library/Expression/Constants.php
        + '__LINE__ __FILE__ __DIR__ __FUNCTION__ __CLASS__ __TRAIT__ __METHOD__ __NAMESPACE__ '
        // types - https://docs.zephir-lang.com/0.12/en/types
        + 'array boolean float double integer object resource string '
        + 'char long unsigned bool int uint ulong uchar '
        // built-ins
        + 'true false null undefined';
    return {
        name: 'Zephir',
        aliases: ['zep'],
        keywords: KEYWORDS,
        contains: [
            hljs.C_LINE_COMMENT_MODE,
            hljs.COMMENT(/\/\*/, /\*\//, { contains: [
                    {
                        className: 'doctag',
                        begin: /@[A-Za-z]+/
                    }
                ] }),
            {
                className: 'string',
                begin: /<<<['"]?\w+['"]?$/,
                end: /^\w+;/,
                contains: [hljs.BACKSLASH_ESCAPE]
            },
            {
                // swallow composed identifiers to avoid parsing them as keywords
                begin: /(::|->)+[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*/
            },
            {
                className: 'function',
                beginKeywords: 'function fn',
                end: /[;{]/,
                excludeEnd: true,
                illegal: /\$|\[|%/,
                contains: [
                    TITLE_MODE,
                    {
                        className: 'params',
                        begin: /\(/,
                        end: /\)/,
                        keywords: KEYWORDS,
                        contains: [
                            'self',
                            hljs.C_BLOCK_COMMENT_MODE,
                            STRING,
                            NUMBER
                        ]
                    }
                ]
            },
            {
                className: 'class',
                beginKeywords: 'class interface',
                end: /\{/,
                excludeEnd: true,
                illegal: /[:($"]/,
                contains: [
                    { beginKeywords: 'extends implements' },
                    TITLE_MODE
                ]
            },
            {
                beginKeywords: 'namespace',
                end: /;/,
                illegal: /[.']/,
                contains: [TITLE_MODE]
            },
            {
                beginKeywords: 'use',
                end: /;/,
                contains: [TITLE_MODE]
            },
            { begin: /=>/ // No markup, just a relevance booster
            },
            STRING,
            NUMBER
        ]
    };
}
export { zephir as default };
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