Commit cc9d87495d5535a0784ced112ffac1a3263ed126
2017-10-22T15:22:32
Rust: Regexp optimisation and simplification + don't use captures if not needed
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diff --git a/components/prism-rust.js b/components/prism-rust.js
index 68d55df..5a1e75d 100644
--- a/components/prism-rust.js
+++ b/components/prism-rust.js
@@ -18,11 +18,11 @@ Prism.languages.rust = {
],
'string': [
{
- pattern: /b?r(#*)"(?:\\?.)*?"\1/,
+ pattern: /b?r(#*)"(?:\\.|(?!"\1)[^\\\r\n])*"\1/,
greedy: true
},
{
- pattern: /b?("|')(?:\\?.)*?\1/,
+ pattern: /b?("|')(?:\\.|(?!\1)[^\\\r\n])*\1/,
greedy: true
}
],
@@ -35,23 +35,23 @@ Prism.languages.rust = {
},
'function': [
- /[a-z0-9_]+(?=\s*\()/i,
+ /\w+(?=\s*\()/,
// Macros can use parens or brackets
- /[a-z0-9_]+!(?=\s*\(|\[)/i
+ /\w+!(?=\s*\(|\[)/
],
'macro-rules': {
- pattern: /[a-z0-9_]+!/i,
+ pattern: /\w+!/,
alias: 'function'
},
// Hex, oct, bin, dec numbers with visual separators and type suffix
- 'number': /\b-?(?:0x[\dA-Fa-f](?:_?[\dA-Fa-f])*|0o[0-7](?:_?[0-7])*|0b[01](?:_?[01])*|(\d(_?\d)*)?\.?\d(_?\d)*([Ee][+-]?\d+)?)(?:_?(?:[iu](?:8|16|32|64)?|f32|f64))?\b/,
+ 'number': /\b-?(?:0x[\dA-Fa-f](?:_?[\dA-Fa-f])*|0o[0-7](?:_?[0-7])*|0b[01](?:_?[01])*|(\d(?:_?\d)*)?\.?\d(?:_?\d)*(?:[Ee][+-]?\d+)?)(?:_?(?:[iu](?:8|16|32|64)?|f32|f64))?\b/,
// Closure params should not be confused with bitwise OR |
'closure-params': {
pattern: /\|[^|]*\|(?=\s*[{-])/,
inside: {
- 'punctuation': /[\|:,]/,
+ 'punctuation': /[|:,]/,
'operator': /[&*]/
}
},
diff --git a/components/prism-rust.min.js b/components/prism-rust.min.js
index e9a3a00..47e66dc 100644
--- a/components/prism-rust.min.js
+++ b/components/prism-rust.min.js
@@ -1 +1 @@
-Prism.languages.rust={comment:[{pattern:/(^|[^\\])\/\*[\s\S]*?\*\//,lookbehind:!0},{pattern:/(^|[^\\:])\/\/.*/,lookbehind:!0}],string:[{pattern:/b?r(#*)"(?:\\?.)*?"\1/,greedy:!0},{pattern:/b?("|')(?:\\?.)*?\1/,greedy:!0}],keyword:/\b(?:abstract|alignof|as|be|box|break|const|continue|crate|do|else|enum|extern|false|final|fn|for|if|impl|in|let|loop|match|mod|move|mut|offsetof|once|override|priv|pub|pure|ref|return|sizeof|static|self|struct|super|true|trait|type|typeof|unsafe|unsized|use|virtual|where|while|yield)\b/,attribute:{pattern:/#!?\[.+?\]/,greedy:!0,alias:"attr-name"},"function":[/[a-z0-9_]+(?=\s*\()/i,/[a-z0-9_]+!(?=\s*\(|\[)/i],"macro-rules":{pattern:/[a-z0-9_]+!/i,alias:"function"},number:/\b-?(?:0x[\dA-Fa-f](?:_?[\dA-Fa-f])*|0o[0-7](?:_?[0-7])*|0b[01](?:_?[01])*|(\d(_?\d)*)?\.?\d(_?\d)*([Ee][+-]?\d+)?)(?:_?(?:[iu](?:8|16|32|64)?|f32|f64))?\b/,"closure-params":{pattern:/\|[^|]*\|(?=\s*[{-])/,inside:{punctuation:/[\|:,]/,operator:/[&*]/}},punctuation:/[{}[\];(),:]|\.+|->/,operator:/[-+*\/%!^=]=?|@|&[&=]?|\|[|=]?|<<?=?|>>?=?/};
\ No newline at end of file
+Prism.languages.rust={comment:[{pattern:/(^|[^\\])\/\*[\s\S]*?\*\//,lookbehind:!0},{pattern:/(^|[^\\:])\/\/.*/,lookbehind:!0}],string:[{pattern:/b?r(#*)"(?:\\.|(?!"\1)[^\\\r\n])*"\1/,greedy:!0},{pattern:/b?("|')(?:\\.|(?!\1)[^\\\r\n])*\1/,greedy:!0}],keyword:/\b(?:abstract|alignof|as|be|box|break|const|continue|crate|do|else|enum|extern|false|final|fn|for|if|impl|in|let|loop|match|mod|move|mut|offsetof|once|override|priv|pub|pure|ref|return|sizeof|static|self|struct|super|true|trait|type|typeof|unsafe|unsized|use|virtual|where|while|yield)\b/,attribute:{pattern:/#!?\[.+?\]/,greedy:!0,alias:"attr-name"},"function":[/\w+(?=\s*\()/,/\w+!(?=\s*\(|\[)/],"macro-rules":{pattern:/\w+!/,alias:"function"},number:/\b-?(?:0x[\dA-Fa-f](?:_?[\dA-Fa-f])*|0o[0-7](?:_?[0-7])*|0b[01](?:_?[01])*|(\d(?:_?\d)*)?\.?\d(?:_?\d)*(?:[Ee][+-]?\d+)?)(?:_?(?:[iu](?:8|16|32|64)?|f32|f64))?\b/,"closure-params":{pattern:/\|[^|]*\|(?=\s*[{-])/,inside:{punctuation:/[|:,]/,operator:/[&*]/}},punctuation:/[{}[\];(),:]|\.+|->/,operator:/[-+*\/%!^=]=?|@|&[&=]?|\|[|=]?|<<?=?|>>?=?/};
\ No newline at end of file