81 lines
2.6 KiB
JavaScript
81 lines
2.6 KiB
JavaScript
|
Prism.languages.c = Prism.languages.extend('clike', {
|
||
|
|
'comment': {
|
||
|
|
pattern: /\/\/(?:[^\r\n\\]|\\(?:\r\n?|\n|(?![\r\n])))*|\/\*[\s\S]*?(?:\*\/|$)/,
|
||
|
|
greedy: true
|
||
|
|
},
|
||
|
|
'string': {
|
||
|
|
// https://en.cppreference.com/w/c/language/string_literal
|
||
|
|
pattern: /"(?:\\(?:\r\n|[\s\S])|[^"\\\r\n])*"/,
|
||
|
|
greedy: true
|
||
|
|
},
|
||
|
|
'class-name': {
|
||
|
|
pattern: /(\b(?:enum|struct)\s+(?:__attribute__\s*\(\([\s\S]*?\)\)\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'];
|