source: node_modules/prismjs/components/prism-v.js

(function (Prism) {
        var interpolationExpr = {
                pattern: /[\s\S]+/,
                inside: null
        };

        Prism.languages.v = Prism.languages.extend('clike', {
                'string': {
                        pattern: /r?(["'])(?:\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1/,
                        alias: 'quoted-string',
                        greedy: true,
                        inside: {
                                'interpolation': {
                                        pattern: /((?:^|[^\\])(?:\\{2})*)\$(?:\{[^{}]*\}|\w+(?:\.\w+(?:\([^\(\)]*\))?|\[[^\[\]]+\])*)/,
                                        lookbehind: true,
                                        inside: {
                                                'interpolation-variable': {
                                                        pattern: /^\$\w[\s\S]*$/,
                                                        alias: 'variable'
                                                },
                                                'interpolation-punctuation': {
                                                        pattern: /^\$\{|\}$/,
                                                        alias: 'punctuation'
                                                },
                                                'interpolation-expression': interpolationExpr
                                        }
                                }
                        }
                },
                'class-name': {
                        pattern: /(\b(?:enum|interface|struct|type)\s+)(?:C\.)?\w+/,
                        lookbehind: true
                },
                'keyword': /(?:\b(?:__global|as|asm|assert|atomic|break|chan|const|continue|defer|else|embed|enum|fn|for|go(?:to)?|if|import|in|interface|is|lock|match|module|mut|none|or|pub|return|rlock|select|shared|sizeof|static|struct|type(?:of)?|union|unsafe)|\$(?:else|for|if)|#(?:flag|include))\b/,
                'number': /\b(?:0x[a-f\d]+(?:_[a-f\d]+)*|0b[01]+(?:_[01]+)*|0o[0-7]+(?:_[0-7]+)*|\d+(?:_\d+)*(?:\.\d+(?:_\d+)*)?)\b/i,
                'operator': /~|\?|[*\/%^!=]=?|\+[=+]?|-[=-]?|\|[=|]?|&(?:=|&|\^=?)?|>(?:>=?|=)?|<(?:<=?|=|-)?|:=|\.\.\.?/,
                'builtin': /\b(?:any(?:_float|_int)?|bool|byte(?:ptr)?|charptr|f(?:32|64)|i(?:8|16|64|128|nt)|rune|size_t|string|u(?:16|32|64|128)|voidptr)\b/
        });

        interpolationExpr.inside = Prism.languages.v;

        Prism.languages.insertBefore('v', 'string', {
                'char': {
                        pattern: /`(?:\\`|\\?[^`]{1,2})`/, // using {1,2} instead of `u` flag for compatibility
                        alias: 'rune'
                }
        });

        Prism.languages.insertBefore('v', 'operator', {
                'attribute': {
                        pattern: /(^[\t ]*)\[(?:deprecated|direct_array_access|flag|inline|live|ref_only|typedef|unsafe_fn|windows_stdcall)\]/m,
                        lookbehind: true,
                        alias: 'annotation',
                        inside: {
                                'punctuation': /[\[\]]/,
                                'keyword': /\w+/
                        }
                },
                'generic': {
                        pattern: /<\w+>(?=\s*[\)\{])/,
                        inside: {
                                'punctuation': /[<>]/,
                                'class-name': /\w+/
                        }
                }
        });

        Prism.languages.insertBefore('v', 'function', {
                'generic-function': {
                        // e.g. foo<T>( ...
                        pattern: /\b\w+\s*<\w+>(?=\()/,
                        inside: {
                                'function': /^\w+/,
                                'generic': {
                                        pattern: /<\w+>/,
                                        inside: Prism.languages.v.generic.inside
                                }
                        }
                }
        });
}(Prism));