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csharp.js
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csharp.js
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/*
Language: C#
Author: Jason Diamond <jason@diamond.name>
Contributor: Nicolas LLOBERA <nllobera@gmail.com>, Pieter Vantorre <pietervantorre@gmail.com>
Website: https://docs.microsoft.com/en-us/dotnet/csharp/
Category: common
*/
export default function(hljs) {
var KEYWORDS = {
keyword:
// Normal keywords.
'abstract as base bool break byte case catch char checked const continue decimal ' +
'default delegate do double enum event explicit extern finally fixed float ' +
'for foreach goto if implicit in int interface internal is lock long ' +
'object operator out override params private protected public readonly ref sbyte ' +
'sealed short sizeof stackalloc static string struct switch this try typeof ' +
'uint ulong unchecked unsafe ushort using virtual void volatile while ' +
// Contextual keywords.
'add alias ascending async await by descending dynamic equals from get global group into join ' +
'let nameof on orderby partial remove select set value var when where yield',
literal:
'null false true'
};
var TITLE_MODE = hljs.inherit(hljs.TITLE_MODE, {begin: '[a-zA-Z](\\.?\\w)*'});
var NUMBERS = {
className: 'number',
variants: [
{ begin: '\\b(0b[01\']+)' },
{ begin: '(-?)\\b([\\d\']+(\\.[\\d\']*)?|\\.[\\d\']+)(u|U|l|L|ul|UL|f|F|b|B)' },
{ begin: '(-?)(\\b0[xX][a-fA-F0-9\']+|(\\b[\\d\']+(\\.[\\d\']*)?|\\.[\\d\']+)([eE][-+]?[\\d\']+)?)' }
],
relevance: 0
};
var VERBATIM_STRING = {
className: 'string',
begin: '@"', end: '"',
contains: [{begin: '""'}]
};
var VERBATIM_STRING_NO_LF = hljs.inherit(VERBATIM_STRING, {illegal: /\n/});
var SUBST = {
className: 'subst',
begin: '{', end: '}',
keywords: KEYWORDS
};
var SUBST_NO_LF = hljs.inherit(SUBST, {illegal: /\n/});
var INTERPOLATED_STRING = {
className: 'string',
begin: /\$"/, end: '"',
illegal: /\n/,
contains: [{begin: '{{'}, {begin: '}}'}, hljs.BACKSLASH_ESCAPE, SUBST_NO_LF]
};
var INTERPOLATED_VERBATIM_STRING = {
className: 'string',
begin: /\$@"/, end: '"',
contains: [{begin: '{{'}, {begin: '}}'}, {begin: '""'}, SUBST]
};
var INTERPOLATED_VERBATIM_STRING_NO_LF = hljs.inherit(INTERPOLATED_VERBATIM_STRING, {
illegal: /\n/,
contains: [{begin: '{{'}, {begin: '}}'}, {begin: '""'}, SUBST_NO_LF]
});
SUBST.contains = [
INTERPOLATED_VERBATIM_STRING,
INTERPOLATED_STRING,
VERBATIM_STRING,
hljs.APOS_STRING_MODE,
hljs.QUOTE_STRING_MODE,
NUMBERS,
hljs.C_BLOCK_COMMENT_MODE
];
SUBST_NO_LF.contains = [
INTERPOLATED_VERBATIM_STRING_NO_LF,
INTERPOLATED_STRING,
VERBATIM_STRING_NO_LF,
hljs.APOS_STRING_MODE,
hljs.QUOTE_STRING_MODE,
NUMBERS,
hljs.inherit(hljs.C_BLOCK_COMMENT_MODE, {illegal: /\n/})
];
var STRING = {
variants: [
INTERPOLATED_VERBATIM_STRING,
INTERPOLATED_STRING,
VERBATIM_STRING,
hljs.APOS_STRING_MODE,
hljs.QUOTE_STRING_MODE
]
};
var GENERIC_MODIFIER = {
begin: "<",
end: ">",
keywords: "in out"
};
var TYPE_IDENT_RE = hljs.IDENT_RE + '(<' + hljs.IDENT_RE + '(\\s*,\\s*' + hljs.IDENT_RE + ')*>)?(\\[\\])?';
var AT_IDENTIFIER = {
// prevents expressions like `@class` from incorrect flagging
// `class` as a keyword
begin: "@" + hljs.IDENT_RE,
relevance: 0
};
return {
name: 'C#',
aliases: ['cs', 'c#'],
keywords: KEYWORDS,
illegal: /::/,
contains: [
hljs.COMMENT(
'///',
'$',
{
returnBegin: true,
contains: [
{
className: 'doctag',
variants: [
{
begin: '///', relevance: 0
},
{
begin: '<!--|-->'
},
{
begin: '</?', end: '>'
}
]
}
]
}
),
hljs.C_LINE_COMMENT_MODE,
hljs.C_BLOCK_COMMENT_MODE,
{
className: 'meta',
begin: '#', end: '$',
keywords: {
'meta-keyword': 'if else elif endif define undef warning error line region endregion pragma checksum'
}
},
STRING,
NUMBERS,
{
beginKeywords: 'class interface', end: /[{;=]/,
illegal: /[^\s:,]/,
contains: [
{ beginKeywords: "where class" },
TITLE_MODE,
GENERIC_MODIFIER,
hljs.C_LINE_COMMENT_MODE,
hljs.C_BLOCK_COMMENT_MODE
]
},
{
beginKeywords: 'namespace', end: /[{;=]/,
illegal: /[^\s:]/,
contains: [
TITLE_MODE,
hljs.C_LINE_COMMENT_MODE,
hljs.C_BLOCK_COMMENT_MODE
]
},
{
// [Attributes("")]
className: 'meta',
begin: '^\\s*\\[', excludeBegin: true, end: '\\]', excludeEnd: true,
contains: [
{className: 'meta-string', begin: /"/, end: /"/}
]
},
{
// Expression keywords prevent 'keyword Name(...)' from being
// recognized as a function definition
beginKeywords: 'new return throw await else',
relevance: 0
},
{
className: 'function',
begin: '(' + TYPE_IDENT_RE + '\\s+)+' + hljs.IDENT_RE + '\\s*\\(', returnBegin: true,
end: /\s*[{;=]/, excludeEnd: true,
keywords: KEYWORDS,
contains: [
{
begin: hljs.IDENT_RE + '\\s*\\(', returnBegin: true,
contains: [hljs.TITLE_MODE],
relevance: 0
},
{
className: 'params',
begin: /\(/, end: /\)/,
excludeBegin: true,
excludeEnd: true,
keywords: KEYWORDS,
relevance: 0,
contains: [
STRING,
NUMBERS,
hljs.C_BLOCK_COMMENT_MODE
]
},
hljs.C_LINE_COMMENT_MODE,
hljs.C_BLOCK_COMMENT_MODE
]
},
AT_IDENTIFIER
]
};
}