(function (Prism) {

	var key = /(?:[\w-]+|'[^'\n\r]*'|"(?:\\.|[^\\"\r\n])*")/.source;

	/**
	 * @param {string} pattern
	 */
	function insertKey(pattern) {
		return pattern.replace(/__/g, function () { return key; });
	}

	Prism.languages.toml = {
		'comment': {
			pattern: /#.*/,
			greedy: true
		},
		'table': {
			pattern: RegExp(insertKey(/(^[\t ]*\[\s*(?:\[\s*)?)__(?:\s*\.\s*__)*(?=\s*\])/.source), 'm'),
			lookbehind: true,
			greedy: true,
			alias: 'class-name'
		},
		'key': {
			pattern: RegExp(insertKey(/(^[\t ]*|[{,]\s*)__(?:\s*\.\s*__)*(?=\s*=)/.source), 'm'),
			lookbehind: true,
			greedy: true,
			alias: 'property'
		},
		'string': {
			pattern: /"""(?:\\[\s\S]|[^\\])*?"""|'''[\s\S]*?'''|'[^'\n\r]*'|"(?:\\.|[^\\"\r\n])*"/,
			greedy: true
		},
		'date': [
			{
				// Offset Date-Time, Local Date-Time, Local Date
				pattern: /\b\d{4}-\d{2}-\d{2}(?:[T\s]\d{2}:\d{2}:\d{2}(?:\.\d+)?(?:Z|[+-]\d{2}:\d{2})?)?\b/i,
				alias: 'number'
			},
			{
				// Local Time
				pattern: /\b\d{2}:\d{2}:\d{2}(?:\.\d+)?\b/,
				alias: 'number'
			}
		],
		'number': /(?:\b0(?:x[\da-zA-Z]+(?:_[\da-zA-Z]+)*|o[0-7]+(?:_[0-7]+)*|b[10]+(?:_[10]+)*))\b|[-+]?\b\d+(?:_\d+)*(?:\.\d+(?:_\d+)*)?(?:[eE][+-]?\d+(?:_\d+)*)?\b|[-+]?\b(?:inf|nan)\b/,
		'boolean': /\b(?:false|true)\b/,
		'punctuation': /[.,=[\]{}]/
	};
}(Prism));