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Prism.languages.nasm = {
  comment: /;.*$/m,
  string: /(["'`])(?:\\.|(?!\1)[^\\\r\n])*\1/,
  label: {
    pattern: /(^\s*)[A-Za-z._?$][\w.?$@~#]*:/m,
    lookbehind: true,
    alias: 'function',
  },
  keyword: [
    /\[?BITS (?:16|32|64)\]?/,
    {
      pattern: /(^\s*)section\s*[a-z.]+:?/im,
      lookbehind: true,
    },
    /(?:extern|global)[^;\r\n]*/i,
    /(?:CPU|DEFAULT|FLOAT).*$/m,
  ],
  register: {
    pattern:
      /\b(?:st\d|[xyz]mm\d\d?|[cdt]r\d|r\d\d?[bwd]?|[er]?[abcd]x|[abcd][hl]|[er]?(?:bp|di|si|sp)|[cdefgs]s)\b/i,
    alias: 'variable',
  },
  number:
    /(?:\b|(?=\$))(?:0[hx](?:\.[\da-f]+|[\da-f]+(?:\.[\da-f]+)?)(?:p[+-]?\d+)?|\d[\da-f]+[hx]|\$\d[\da-f]*|0[oq][0-7]+|[0-7]+[oq]|0[by][01]+|[01]+[by]|0[dt]\d+|(?:\d+(?:\.\d+)?|\.\d+)(?:\.?e[+-]?\d+)?[dt]?)\b/i,
  operator: /[\[\]*+\-\/%<>=&|$!]/,
};
s\S]*?\)\)\s*)?)\w+|\b[a-z]\w*_t\b/, lookbehind: true, }, keyword: /\b(?:_Alignas|_Alignof|_Atomic|_Bool|_Complex|_Generic|_Imaginary|_Noreturn|_Static_assert|_Thread_local|__attribute__|asm|auto|break|case|char|const|continue|default|do|double|else|enum|extern|float|for|goto|if|inline|int|long|register|return|short|signed|sizeof|static|struct|switch|typedef|typeof|union|unsigned|void|volatile|while)\b/, function: /\b[a-z_]\w*(?=\s*\()/i, number: /(?:\b0x(?:[\da-f]+(?:\.[\da-f]*)?|\.[\da-f]+)(?:p[+-]?\d+)?|(?:\b\d+(?:\.\d*)?|\B\.\d+)(?:e[+-]?\d+)?)[ful]{0,4}/i, operator: />>=?|<<=?|->|([-+&|:])\1|[?:~]|[-+*/%&|^!=<>]=?/, }); Prism.languages.insertBefore('c', 'string', { char: { // https://en.cppreference.com/w/c/language/character_constant pattern: /'(?:\\(?:\r\n|[\s\S])|[^'\\\r\n]){0,32}'/, greedy: true, }, }); Prism.languages.insertBefore('c', 'string', { macro: { // allow for multiline macro definitions // spaces after the # character compile fine with gcc pattern: /(^[\t ]*)#\s*[a-z](?:[^\r\n\\/]|\/(?!\*)|\/\*(?:[^*]|\*(?!\/))*\*\/|\\(?:\r\n|[\s\S]))*/im, lookbehind: true, greedy: true, alias: 'property', inside: { string: [ { // highlight the path of the include statement as a string pattern: /^(#\s*include\s*)<[^>]+>/, lookbehind: true, }, Prism.languages.c['string'], ], char: Prism.languages.c['char'], comment: Prism.languages.c['comment'], 'macro-name': [ { pattern: /(^#\s*define\s+)\w+\b(?!\()/i, lookbehind: true, }, { pattern: /(^#\s*define\s+)\w+\b(?=\()/i, lookbehind: true, alias: 'function', }, ], // highlight macro directives as keywords directive: { pattern: /^(#\s*)[a-z]+/, lookbehind: true, alias: 'keyword', }, 'directive-hash': /^#/, punctuation: /##|\\(?=[\r\n])/, expression: { pattern: /\S[\s\S]*/, inside: Prism.languages.c, }, }, }, }); Prism.languages.insertBefore('c', 'function', { // highlight predefined macros as constants constant: /\b(?:EOF|NULL|SEEK_CUR|SEEK_END|SEEK_SET|__DATE__|__FILE__|__LINE__|__TIMESTAMP__|__TIME__|__func__|stderr|stdin|stdout)\b/, }); delete Prism.languages.c['boolean'];