1 | /**
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2 | * @param {string} value
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3 | * @returns {RegExp}
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4 | * */
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5 |
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6 | /**
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7 | * @param {RegExp | string } re
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8 | * @returns {string}
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9 | */
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10 | function source(re) {
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11 | if (!re) return null;
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12 | if (typeof re === "string") return re;
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13 |
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14 | return re.source;
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15 | }
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16 |
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17 | /**
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18 | * @param {RegExp | string } re
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19 | * @returns {string}
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20 | */
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21 | function lookahead(re) {
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22 | return concat('(?=', re, ')');
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23 | }
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24 |
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25 | /**
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26 | * @param {RegExp | string } re
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27 | * @returns {string}
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28 | */
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29 | function optional(re) {
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30 | return concat('(', re, ')?');
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31 | }
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32 |
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33 | /**
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34 | * @param {...(RegExp | string) } args
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35 | * @returns {string}
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36 | */
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37 | function concat(...args) {
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38 | const joined = args.map((x) => source(x)).join("");
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39 | return joined;
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40 | }
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41 |
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42 | /*
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43 | Language: C++
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44 | Category: common, system
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45 | Website: https://isocpp.org
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46 | */
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47 |
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48 | /** @type LanguageFn */
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49 | function cPlusPlus(hljs) {
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50 | // added for historic reasons because `hljs.C_LINE_COMMENT_MODE` does
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51 | // not include such support nor can we be sure all the grammars depending
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52 | // on it would desire this behavior
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53 | const C_LINE_COMMENT_MODE = hljs.COMMENT('//', '$', {
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54 | contains: [
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55 | {
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56 | begin: /\\\n/
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57 | }
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58 | ]
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59 | });
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60 | const DECLTYPE_AUTO_RE = 'decltype\\(auto\\)';
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61 | const NAMESPACE_RE = '[a-zA-Z_]\\w*::';
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62 | const TEMPLATE_ARGUMENT_RE = '<[^<>]+>';
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63 | const FUNCTION_TYPE_RE = '(' +
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64 | DECLTYPE_AUTO_RE + '|' +
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65 | optional(NAMESPACE_RE) +
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66 | '[a-zA-Z_]\\w*' + optional(TEMPLATE_ARGUMENT_RE) +
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67 | ')';
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68 | const CPP_PRIMITIVE_TYPES = {
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69 | className: 'keyword',
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70 | begin: '\\b[a-z\\d_]*_t\\b'
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71 | };
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72 |
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73 | // https://en.cppreference.com/w/cpp/language/escape
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74 | // \\ \x \xFF \u2837 \u00323747 \374
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75 | const CHARACTER_ESCAPES = '\\\\(x[0-9A-Fa-f]{2}|u[0-9A-Fa-f]{4,8}|[0-7]{3}|\\S)';
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76 | const STRINGS = {
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77 | className: 'string',
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78 | variants: [
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79 | {
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80 | begin: '(u8?|U|L)?"',
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81 | end: '"',
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82 | illegal: '\\n',
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83 | contains: [ hljs.BACKSLASH_ESCAPE ]
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84 | },
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85 | {
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86 | begin: '(u8?|U|L)?\'(' + CHARACTER_ESCAPES + "|.)",
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87 | end: '\'',
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88 | illegal: '.'
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89 | },
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90 | hljs.END_SAME_AS_BEGIN({
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91 | begin: /(?:u8?|U|L)?R"([^()\\ ]{0,16})\(/,
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92 | end: /\)([^()\\ ]{0,16})"/
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93 | })
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94 | ]
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95 | };
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96 |
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97 | const NUMBERS = {
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98 | className: 'number',
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99 | variants: [
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100 | {
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101 | begin: '\\b(0b[01\']+)'
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102 | },
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103 | {
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104 | begin: '(-?)\\b([\\d\']+(\\.[\\d\']*)?|\\.[\\d\']+)((ll|LL|l|L)(u|U)?|(u|U)(ll|LL|l|L)?|f|F|b|B)'
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105 | },
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106 | {
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107 | begin: '(-?)(\\b0[xX][a-fA-F0-9\']+|(\\b[\\d\']+(\\.[\\d\']*)?|\\.[\\d\']+)([eE][-+]?[\\d\']+)?)'
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108 | }
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109 | ],
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110 | relevance: 0
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111 | };
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112 |
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113 | const PREPROCESSOR = {
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114 | className: 'meta',
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115 | begin: /#\s*[a-z]+\b/,
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116 | end: /$/,
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117 | keywords: {
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118 | 'meta-keyword':
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119 | 'if else elif endif define undef warning error line ' +
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120 | 'pragma _Pragma ifdef ifndef include'
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121 | },
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122 | contains: [
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123 | {
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124 | begin: /\\\n/,
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125 | relevance: 0
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126 | },
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127 | hljs.inherit(STRINGS, {
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128 | className: 'meta-string'
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129 | }),
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130 | {
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131 | className: 'meta-string',
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132 | begin: /<.*?>/
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133 | },
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134 | C_LINE_COMMENT_MODE,
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135 | hljs.C_BLOCK_COMMENT_MODE
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136 | ]
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137 | };
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138 |
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139 | const TITLE_MODE = {
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140 | className: 'title',
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141 | begin: optional(NAMESPACE_RE) + hljs.IDENT_RE,
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142 | relevance: 0
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143 | };
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144 |
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145 | const FUNCTION_TITLE = optional(NAMESPACE_RE) + hljs.IDENT_RE + '\\s*\\(';
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146 |
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147 | const COMMON_CPP_HINTS = [
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148 | 'asin',
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149 | 'atan2',
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150 | 'atan',
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151 | 'calloc',
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152 | 'ceil',
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153 | 'cosh',
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154 | 'cos',
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155 | 'exit',
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156 | 'exp',
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157 | 'fabs',
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158 | 'floor',
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159 | 'fmod',
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160 | 'fprintf',
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161 | 'fputs',
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162 | 'free',
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163 | 'frexp',
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164 | 'auto_ptr',
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165 | 'deque',
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166 | 'list',
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167 | 'queue',
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168 | 'stack',
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169 | 'vector',
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170 | 'map',
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171 | 'set',
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172 | 'pair',
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173 | 'bitset',
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174 | 'multiset',
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175 | 'multimap',
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176 | 'unordered_set',
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177 | 'fscanf',
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178 | 'future',
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179 | 'isalnum',
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180 | 'isalpha',
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181 | 'iscntrl',
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182 | 'isdigit',
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183 | 'isgraph',
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184 | 'islower',
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185 | 'isprint',
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186 | 'ispunct',
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187 | 'isspace',
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188 | 'isupper',
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189 | 'isxdigit',
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190 | 'tolower',
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191 | 'toupper',
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192 | 'labs',
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193 | 'ldexp',
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194 | 'log10',
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195 | 'log',
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196 | 'malloc',
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197 | 'realloc',
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198 | 'memchr',
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199 | 'memcmp',
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200 | 'memcpy',
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201 | 'memset',
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202 | 'modf',
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203 | 'pow',
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204 | 'printf',
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205 | 'putchar',
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206 | 'puts',
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207 | 'scanf',
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208 | 'sinh',
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209 | 'sin',
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210 | 'snprintf',
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211 | 'sprintf',
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212 | 'sqrt',
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213 | 'sscanf',
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214 | 'strcat',
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215 | 'strchr',
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216 | 'strcmp',
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217 | 'strcpy',
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218 | 'strcspn',
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219 | 'strlen',
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220 | 'strncat',
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221 | 'strncmp',
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222 | 'strncpy',
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223 | 'strpbrk',
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224 | 'strrchr',
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225 | 'strspn',
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226 | 'strstr',
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227 | 'tanh',
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228 | 'tan',
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229 | 'unordered_map',
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230 | 'unordered_multiset',
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231 | 'unordered_multimap',
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232 | 'priority_queue',
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233 | 'make_pair',
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234 | 'array',
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235 | 'shared_ptr',
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236 | 'abort',
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237 | 'terminate',
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238 | 'abs',
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239 | 'acos',
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240 | 'vfprintf',
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241 | 'vprintf',
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242 | 'vsprintf',
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243 | 'endl',
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244 | 'initializer_list',
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245 | 'unique_ptr',
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246 | 'complex',
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247 | 'imaginary',
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248 | 'std',
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249 | 'string',
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250 | 'wstring',
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251 | 'cin',
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252 | 'cout',
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253 | 'cerr',
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254 | 'clog',
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255 | 'stdin',
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256 | 'stdout',
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257 | 'stderr',
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258 | 'stringstream',
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259 | 'istringstream',
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260 | 'ostringstream'
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261 | ];
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262 |
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263 | const CPP_KEYWORDS = {
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264 | keyword: 'int float while private char char8_t char16_t char32_t catch import module export virtual operator sizeof ' +
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265 | 'dynamic_cast|10 typedef const_cast|10 const for static_cast|10 union namespace ' +
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266 | 'unsigned long volatile static protected bool template mutable if public friend ' +
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267 | 'do goto auto void enum else break extern using asm case typeid wchar_t ' +
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268 | 'short reinterpret_cast|10 default double register explicit signed typename try this ' +
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269 | 'switch continue inline delete alignas alignof constexpr consteval constinit decltype ' +
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270 | 'concept co_await co_return co_yield requires ' +
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271 | 'noexcept static_assert thread_local restrict final override ' +
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272 | 'atomic_bool atomic_char atomic_schar ' +
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273 | 'atomic_uchar atomic_short atomic_ushort atomic_int atomic_uint atomic_long atomic_ulong atomic_llong ' +
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274 | 'atomic_ullong new throw return ' +
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275 | 'and and_eq bitand bitor compl not not_eq or or_eq xor xor_eq',
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276 | built_in: '_Bool _Complex _Imaginary',
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277 | _relevance_hints: COMMON_CPP_HINTS,
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278 | literal: 'true false nullptr NULL'
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279 | };
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280 |
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281 | const FUNCTION_DISPATCH = {
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282 | className: "function.dispatch",
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283 | relevance: 0,
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284 | keywords: CPP_KEYWORDS,
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285 | begin: concat(
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286 | /\b/,
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287 | /(?!decltype)/,
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288 | /(?!if)/,
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289 | /(?!for)/,
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290 | /(?!while)/,
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291 | hljs.IDENT_RE,
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292 | lookahead(/\s*\(/))
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293 | };
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294 |
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295 | const EXPRESSION_CONTAINS = [
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296 | FUNCTION_DISPATCH,
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297 | PREPROCESSOR,
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298 | CPP_PRIMITIVE_TYPES,
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299 | C_LINE_COMMENT_MODE,
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300 | hljs.C_BLOCK_COMMENT_MODE,
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301 | NUMBERS,
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302 | STRINGS
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303 | ];
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304 |
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305 |
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306 | const EXPRESSION_CONTEXT = {
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307 | // This mode covers expression context where we can't expect a function
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308 | // definition and shouldn't highlight anything that looks like one:
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309 | // `return some()`, `else if()`, `(x*sum(1, 2))`
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310 | variants: [
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311 | {
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312 | begin: /=/,
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313 | end: /;/
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314 | },
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315 | {
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316 | begin: /\(/,
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317 | end: /\)/
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318 | },
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319 | {
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320 | beginKeywords: 'new throw return else',
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321 | end: /;/
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322 | }
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323 | ],
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324 | keywords: CPP_KEYWORDS,
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325 | contains: EXPRESSION_CONTAINS.concat([
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326 | {
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327 | begin: /\(/,
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328 | end: /\)/,
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329 | keywords: CPP_KEYWORDS,
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330 | contains: EXPRESSION_CONTAINS.concat([ 'self' ]),
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331 | relevance: 0
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332 | }
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333 | ]),
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334 | relevance: 0
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335 | };
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336 |
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337 | const FUNCTION_DECLARATION = {
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338 | className: 'function',
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339 | begin: '(' + FUNCTION_TYPE_RE + '[\\*&\\s]+)+' + FUNCTION_TITLE,
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340 | returnBegin: true,
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341 | end: /[{;=]/,
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342 | excludeEnd: true,
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343 | keywords: CPP_KEYWORDS,
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344 | illegal: /[^\w\s\*&:<>.]/,
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345 | contains: [
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346 | { // to prevent it from being confused as the function title
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347 | begin: DECLTYPE_AUTO_RE,
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348 | keywords: CPP_KEYWORDS,
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349 | relevance: 0
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350 | },
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351 | {
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352 | begin: FUNCTION_TITLE,
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353 | returnBegin: true,
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354 | contains: [ TITLE_MODE ],
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355 | relevance: 0
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356 | },
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357 | // needed because we do not have look-behind on the below rule
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358 | // to prevent it from grabbing the final : in a :: pair
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359 | {
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360 | begin: /::/,
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361 | relevance: 0
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362 | },
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363 | // initializers
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364 | {
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365 | begin: /:/,
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366 | endsWithParent: true,
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367 | contains: [
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368 | STRINGS,
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369 | NUMBERS
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370 | ]
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371 | },
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372 | {
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373 | className: 'params',
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374 | begin: /\(/,
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375 | end: /\)/,
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376 | keywords: CPP_KEYWORDS,
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377 | relevance: 0,
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378 | contains: [
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379 | C_LINE_COMMENT_MODE,
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380 | hljs.C_BLOCK_COMMENT_MODE,
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381 | STRINGS,
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382 | NUMBERS,
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383 | CPP_PRIMITIVE_TYPES,
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384 | // Count matching parentheses.
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385 | {
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386 | begin: /\(/,
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387 | end: /\)/,
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388 | keywords: CPP_KEYWORDS,
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389 | relevance: 0,
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390 | contains: [
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391 | 'self',
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392 | C_LINE_COMMENT_MODE,
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393 | hljs.C_BLOCK_COMMENT_MODE,
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394 | STRINGS,
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395 | NUMBERS,
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396 | CPP_PRIMITIVE_TYPES
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397 | ]
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398 | }
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399 | ]
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400 | },
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401 | CPP_PRIMITIVE_TYPES,
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402 | C_LINE_COMMENT_MODE,
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403 | hljs.C_BLOCK_COMMENT_MODE,
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404 | PREPROCESSOR
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405 | ]
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406 | };
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407 |
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408 | return {
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409 | name: 'C++',
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410 | aliases: [
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411 | 'cc',
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412 | 'c++',
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413 | 'h++',
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414 | 'hpp',
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415 | 'hh',
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416 | 'hxx',
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417 | 'cxx'
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418 | ],
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419 | keywords: CPP_KEYWORDS,
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420 | illegal: '</',
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421 | classNameAliases: {
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422 | "function.dispatch": "built_in"
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423 | },
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424 | contains: [].concat(
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425 | EXPRESSION_CONTEXT,
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426 | FUNCTION_DECLARATION,
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427 | FUNCTION_DISPATCH,
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428 | EXPRESSION_CONTAINS,
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429 | [
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430 | PREPROCESSOR,
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431 | { // containers: ie, `vector <int> rooms (9);`
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432 | begin: '\\b(deque|list|queue|priority_queue|pair|stack|vector|map|set|bitset|multiset|multimap|unordered_map|unordered_set|unordered_multiset|unordered_multimap|array)\\s*<',
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433 | end: '>',
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434 | keywords: CPP_KEYWORDS,
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435 | contains: [
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436 | 'self',
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437 | CPP_PRIMITIVE_TYPES
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438 | ]
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439 | },
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440 | {
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441 | begin: hljs.IDENT_RE + '::',
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442 | keywords: CPP_KEYWORDS
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443 | },
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444 | {
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445 | className: 'class',
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446 | beginKeywords: 'enum class struct union',
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447 | end: /[{;:<>=]/,
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448 | contains: [
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449 | {
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450 | beginKeywords: "final class struct"
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451 | },
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452 | hljs.TITLE_MODE
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453 | ]
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454 | }
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455 | ]),
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456 | exports: {
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457 | preprocessor: PREPROCESSOR,
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458 | strings: STRINGS,
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459 | keywords: CPP_KEYWORDS
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460 | }
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461 | };
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462 | }
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463 |
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464 | /*
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465 | Language: C-like (deprecated, use C and C++ instead)
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466 | Author: Ivan Sagalaev <maniac@softwaremaniacs.org>
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467 | Contributors: Evgeny Stepanischev <imbolk@gmail.com>, Zaven Muradyan <megalivoithos@gmail.com>, Roel Deckers <admin@codingcat.nl>, Sam Wu <samsam2310@gmail.com>, Jordi Petit <jordi.petit@gmail.com>, Pieter Vantorre <pietervantorre@gmail.com>, Google Inc. (David Benjamin) <davidben@google.com>
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468 | */
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469 |
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470 | /** @type LanguageFn */
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471 | function cLike(hljs) {
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472 | const lang = cPlusPlus(hljs);
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473 |
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474 | const C_ALIASES = [
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475 | "c",
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476 | "h"
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477 | ];
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478 |
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479 | const CPP_ALIASES = [
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480 | 'cc',
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481 | 'c++',
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482 | 'h++',
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483 | 'hpp',
|
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484 | 'hh',
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485 | 'hxx',
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486 | 'cxx'
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487 | ];
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488 |
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489 | lang.disableAutodetect = true;
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490 | lang.aliases = [];
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491 | // support users only loading c-like (legacy)
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492 | if (!hljs.getLanguage("c")) lang.aliases.push(...C_ALIASES);
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493 | if (!hljs.getLanguage("cpp")) lang.aliases.push(...CPP_ALIASES);
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494 |
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495 | // if c and cpp are loaded after then they will reclaim these
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496 | // aliases for themselves
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497 |
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498 | return lang;
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499 | }
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500 |
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501 | module.exports = cLike;
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