107 lines
3.2 KiB
JavaScript
107 lines
3.2 KiB
JavaScript
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module.exports = function(hljs) {
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var NUM_SUFFIX = '([ui](8|16|32|64|128|size)|f(32|64))\?';
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var KEYWORDS =
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'alignof as be box break const continue crate do else enum extern ' +
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'false fn for if impl in let loop match mod mut offsetof once priv ' +
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'proc pub pure ref return self Self sizeof static struct super trait true ' +
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'type typeof unsafe unsized use virtual while where yield move default';
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var BUILTINS =
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// functions
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'drop ' +
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// types
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'i8 i16 i32 i64 i128 isize ' +
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'u8 u16 u32 u64 u128 usize ' +
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'f32 f64 ' +
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'str char bool ' +
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'Box Option Result String Vec ' +
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// traits
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'Copy Send Sized Sync Drop Fn FnMut FnOnce ToOwned Clone Debug ' +
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'PartialEq PartialOrd Eq Ord AsRef AsMut Into From Default Iterator ' +
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'Extend IntoIterator DoubleEndedIterator ExactSizeIterator ' +
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'SliceConcatExt ToString ' +
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// macros
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'assert! assert_eq! bitflags! bytes! cfg! col! concat! concat_idents! ' +
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'debug_assert! debug_assert_eq! env! panic! file! format! format_args! ' +
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'include_bin! include_str! line! local_data_key! module_path! ' +
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'option_env! print! println! select! stringify! try! unimplemented! ' +
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'unreachable! vec! write! writeln! macro_rules! assert_ne! debug_assert_ne!';
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return {
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aliases: ['rs'],
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keywords: {
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keyword:
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KEYWORDS,
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literal:
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'true false Some None Ok Err',
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built_in:
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BUILTINS
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},
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lexemes: hljs.IDENT_RE + '!?',
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illegal: '</',
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contains: [
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hljs.C_LINE_COMMENT_MODE,
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hljs.COMMENT('/\\*', '\\*/', {contains: ['self']}),
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hljs.inherit(hljs.QUOTE_STRING_MODE, {begin: /b?"/, illegal: null}),
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{
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className: 'string',
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variants: [
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{ begin: /r(#*)"(.|\n)*?"\1(?!#)/ },
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{ begin: /b?'\\?(x\w{2}|u\w{4}|U\w{8}|.)'/ }
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]
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},
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{
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className: 'symbol',
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begin: /'[a-zA-Z_][a-zA-Z0-9_]*/
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},
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{
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className: 'number',
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variants: [
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{ begin: '\\b0b([01_]+)' + NUM_SUFFIX },
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{ begin: '\\b0o([0-7_]+)' + NUM_SUFFIX },
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{ begin: '\\b0x([A-Fa-f0-9_]+)' + NUM_SUFFIX },
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{ begin: '\\b(\\d[\\d_]*(\\.[0-9_]+)?([eE][+-]?[0-9_]+)?)' +
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NUM_SUFFIX
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}
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],
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relevance: 0
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},
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{
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className: 'function',
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beginKeywords: 'fn', end: '(\\(|<)', excludeEnd: true,
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contains: [hljs.UNDERSCORE_TITLE_MODE]
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},
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{
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className: 'meta',
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begin: '#\\!?\\[', end: '\\]',
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contains: [
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{
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className: 'meta-string',
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begin: /"/, end: /"/
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}
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]
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},
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{
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className: 'class',
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beginKeywords: 'type', end: ';',
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contains: [
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hljs.inherit(hljs.UNDERSCORE_TITLE_MODE, {endsParent: true})
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],
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illegal: '\\S'
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},
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{
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className: 'class',
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beginKeywords: 'trait enum struct union', end: '{',
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contains: [
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hljs.inherit(hljs.UNDERSCORE_TITLE_MODE, {endsParent: true})
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],
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illegal: '[\\w\\d]'
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},
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{
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begin: hljs.IDENT_RE + '::',
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keywords: {built_in: BUILTINS}
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},
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{
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begin: '->'
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}
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]
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};
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};
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