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book/node_modules/highlight.js/lib/languages/d.js
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book/node_modules/highlight.js/lib/languages/d.js
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/*
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Language: D
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Author: Aleksandar Ruzicic <aleksandar@ruzicic.info>
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Description: D is a language with C-like syntax and static typing. It pragmatically combines efficiency, control, and modeling power, with safety and programmer productivity.
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Version: 1.0a
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Website: https://dlang.org
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Category: system
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Date: 2012-04-08
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*/
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/**
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* Known issues:
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*
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* - invalid hex string literals will be recognized as a double quoted strings
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* but 'x' at the beginning of string will not be matched
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*
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* - delimited string literals are not checked for matching end delimiter
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* (not possible to do with js regexp)
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*
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* - content of token string is colored as a string (i.e. no keyword coloring inside a token string)
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* also, content of token string is not validated to contain only valid D tokens
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*
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* - special token sequence rule is not strictly following D grammar (anything following #line
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* up to the end of line is matched as special token sequence)
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*/
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/** @type LanguageFn */
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function d(hljs) {
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/**
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* Language keywords
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*
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* @type {Object}
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*/
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const D_KEYWORDS = {
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$pattern: hljs.UNDERSCORE_IDENT_RE,
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keyword:
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'abstract alias align asm assert auto body break byte case cast catch class '
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+ 'const continue debug default delete deprecated do else enum export extern final '
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+ 'finally for foreach foreach_reverse|10 goto if immutable import in inout int '
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+ 'interface invariant is lazy macro mixin module new nothrow out override package '
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+ 'pragma private protected public pure ref return scope shared static struct '
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+ 'super switch synchronized template this throw try typedef typeid typeof union '
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+ 'unittest version void volatile while with __FILE__ __LINE__ __gshared|10 '
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+ '__thread __traits __DATE__ __EOF__ __TIME__ __TIMESTAMP__ __VENDOR__ __VERSION__',
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built_in:
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'bool cdouble cent cfloat char creal dchar delegate double dstring float function '
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+ 'idouble ifloat ireal long real short string ubyte ucent uint ulong ushort wchar '
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+ 'wstring',
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literal:
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'false null true'
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};
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/**
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* Number literal regexps
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*
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* @type {String}
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*/
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const decimal_integer_re = '(0|[1-9][\\d_]*)';
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const decimal_integer_nosus_re = '(0|[1-9][\\d_]*|\\d[\\d_]*|[\\d_]+?\\d)';
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const binary_integer_re = '0[bB][01_]+';
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const hexadecimal_digits_re = '([\\da-fA-F][\\da-fA-F_]*|_[\\da-fA-F][\\da-fA-F_]*)';
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const hexadecimal_integer_re = '0[xX]' + hexadecimal_digits_re;
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const decimal_exponent_re = '([eE][+-]?' + decimal_integer_nosus_re + ')';
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const decimal_float_re = '(' + decimal_integer_nosus_re + '(\\.\\d*|' + decimal_exponent_re + ')|'
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+ '\\d+\\.' + decimal_integer_nosus_re + '|'
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+ '\\.' + decimal_integer_re + decimal_exponent_re + '?'
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+ ')';
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const hexadecimal_float_re = '(0[xX]('
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+ hexadecimal_digits_re + '\\.' + hexadecimal_digits_re + '|'
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+ '\\.?' + hexadecimal_digits_re
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+ ')[pP][+-]?' + decimal_integer_nosus_re + ')';
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const integer_re = '('
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+ decimal_integer_re + '|'
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+ binary_integer_re + '|'
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+ hexadecimal_integer_re
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+ ')';
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const float_re = '('
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+ hexadecimal_float_re + '|'
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+ decimal_float_re
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+ ')';
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/**
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* Escape sequence supported in D string and character literals
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*
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* @type {String}
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*/
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const escape_sequence_re = '\\\\('
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+ '[\'"\\?\\\\abfnrtv]|' // common escapes
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+ 'u[\\dA-Fa-f]{4}|' // four hex digit unicode codepoint
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+ '[0-7]{1,3}|' // one to three octal digit ascii char code
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+ 'x[\\dA-Fa-f]{2}|' // two hex digit ascii char code
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+ 'U[\\dA-Fa-f]{8}' // eight hex digit unicode codepoint
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+ ')|'
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+ '&[a-zA-Z\\d]{2,};'; // named character entity
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/**
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* D integer number literals
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*
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* @type {Object}
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*/
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const D_INTEGER_MODE = {
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className: 'number',
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begin: '\\b' + integer_re + '(L|u|U|Lu|LU|uL|UL)?',
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relevance: 0
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};
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/**
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* [D_FLOAT_MODE description]
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* @type {Object}
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*/
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const D_FLOAT_MODE = {
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className: 'number',
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begin: '\\b('
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+ float_re + '([fF]|L|i|[fF]i|Li)?|'
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+ integer_re + '(i|[fF]i|Li)'
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+ ')',
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relevance: 0
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};
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/**
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* D character literal
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*
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* @type {Object}
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*/
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const D_CHARACTER_MODE = {
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className: 'string',
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begin: '\'(' + escape_sequence_re + '|.)',
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end: '\'',
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illegal: '.'
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};
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/**
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* D string escape sequence
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*
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* @type {Object}
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*/
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const D_ESCAPE_SEQUENCE = {
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begin: escape_sequence_re,
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relevance: 0
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};
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/**
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* D double quoted string literal
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*
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* @type {Object}
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*/
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const D_STRING_MODE = {
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className: 'string',
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begin: '"',
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contains: [ D_ESCAPE_SEQUENCE ],
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end: '"[cwd]?'
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};
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/**
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* D wysiwyg and delimited string literals
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*
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* @type {Object}
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*/
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const D_WYSIWYG_DELIMITED_STRING_MODE = {
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className: 'string',
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begin: '[rq]"',
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end: '"[cwd]?',
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relevance: 5
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};
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/**
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* D alternate wysiwyg string literal
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*
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* @type {Object}
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*/
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const D_ALTERNATE_WYSIWYG_STRING_MODE = {
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className: 'string',
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begin: '`',
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end: '`[cwd]?'
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};
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/**
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* D hexadecimal string literal
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*
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* @type {Object}
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*/
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const D_HEX_STRING_MODE = {
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className: 'string',
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begin: 'x"[\\da-fA-F\\s\\n\\r]*"[cwd]?',
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relevance: 10
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};
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/**
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* D delimited string literal
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*
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* @type {Object}
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*/
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const D_TOKEN_STRING_MODE = {
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className: 'string',
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begin: 'q"\\{',
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end: '\\}"'
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};
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/**
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* Hashbang support
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*
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* @type {Object}
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*/
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const D_HASHBANG_MODE = {
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className: 'meta',
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begin: '^#!',
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end: '$',
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relevance: 5
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};
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/**
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* D special token sequence
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*
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* @type {Object}
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*/
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const D_SPECIAL_TOKEN_SEQUENCE_MODE = {
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className: 'meta',
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begin: '#(line)',
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end: '$',
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relevance: 5
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};
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/**
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* D attributes
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*
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* @type {Object}
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*/
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const D_ATTRIBUTE_MODE = {
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className: 'keyword',
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begin: '@[a-zA-Z_][a-zA-Z_\\d]*'
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};
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/**
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* D nesting comment
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*
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* @type {Object}
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*/
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const D_NESTING_COMMENT_MODE = hljs.COMMENT(
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'\\/\\+',
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'\\+\\/',
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{
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contains: [ 'self' ],
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relevance: 10
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}
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);
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return {
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name: 'D',
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keywords: D_KEYWORDS,
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contains: [
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hljs.C_LINE_COMMENT_MODE,
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hljs.C_BLOCK_COMMENT_MODE,
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D_NESTING_COMMENT_MODE,
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D_HEX_STRING_MODE,
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D_STRING_MODE,
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D_WYSIWYG_DELIMITED_STRING_MODE,
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D_ALTERNATE_WYSIWYG_STRING_MODE,
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D_TOKEN_STRING_MODE,
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D_FLOAT_MODE,
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D_INTEGER_MODE,
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D_CHARACTER_MODE,
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D_HASHBANG_MODE,
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D_SPECIAL_TOKEN_SEQUENCE_MODE,
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D_ATTRIBUTE_MODE
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]
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};
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}
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module.exports = d;
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