64 lines
2.1 KiB
JavaScript
64 lines
2.1 KiB
JavaScript
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Prism.languages.c = Prism.languages.extend('clike', {
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'comment': {
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pattern: /\/\/(?:[^\r\n\\]|\\(?:\r\n?|\n|(?![\r\n])))*|\/\*[\s\S]*?(?:\*\/|$)/,
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greedy: true
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},
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'class-name': {
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pattern: /(\b(?:enum|struct)\s+(?:__attribute__\s*\(\([\s\S]*?\)\)\s*)?)\w+|\b[a-z]\w*_t\b/,
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lookbehind: true
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},
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'keyword': /\b(?:__attribute__|_Alignas|_Alignof|_Atomic|_Bool|_Complex|_Generic|_Imaginary|_Noreturn|_Static_assert|_Thread_local|asm|typeof|inline|auto|break|case|char|const|continue|default|do|double|else|enum|extern|float|for|goto|if|int|long|register|return|short|signed|sizeof|static|struct|switch|typedef|union|unsigned|void|volatile|while)\b/,
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'function': /[a-z_]\w*(?=\s*\()/i,
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'number': /(?:\b0x(?:[\da-f]+(?:\.[\da-f]*)?|\.[\da-f]+)(?:p[+-]?\d+)?|(?:\b\d+(?:\.\d*)?|\B\.\d+)(?:e[+-]?\d+)?)[ful]{0,4}/i,
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'operator': />>=?|<<=?|->|([-+&|:])\1|[?:~]|[-+*/%&|^!=<>]=?/
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});
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Prism.languages.insertBefore('c', 'string', {
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'macro': {
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// allow for multiline macro definitions
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// spaces after the # character compile fine with gcc
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pattern: /(^\s*)#\s*[a-z](?:[^\r\n\\/]|\/(?!\*)|\/\*(?:[^*]|\*(?!\/))*\*\/|\\(?:\r\n|[\s\S]))*/im,
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lookbehind: true,
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greedy: true,
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alias: 'property',
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inside: {
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'string': [
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{
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// highlight the path of the include statement as a string
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pattern: /^(#\s*include\s*)<[^>]+>/,
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lookbehind: true
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},
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Prism.languages.c['string']
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],
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'comment': Prism.languages.c['comment'],
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'macro-name': [
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{
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pattern: /(^#\s*define\s+)\w+\b(?!\()/i,
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lookbehind: true
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},
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{
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pattern: /(^#\s*define\s+)\w+\b(?=\()/i,
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lookbehind: true,
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alias: 'function'
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}
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],
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// highlight macro directives as keywords
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'directive': {
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pattern: /^(#\s*)[a-z]+/,
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lookbehind: true,
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alias: 'keyword'
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},
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'directive-hash': /^#/,
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'punctuation': /##|\\(?=[\r\n])/,
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'expression': {
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pattern: /\S[\s\S]*/,
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inside: Prism.languages.c
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}
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}
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},
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// highlight predefined macros as constants
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'constant': /\b(?:__FILE__|__LINE__|__DATE__|__TIME__|__TIMESTAMP__|__func__|EOF|NULL|SEEK_CUR|SEEK_END|SEEK_SET|stdin|stdout|stderr)\b/
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});
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delete Prism.languages.c['boolean'];
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