Commit 88caabb9b0d507e5471b0252070f95f10807ab50

Golmote 2017-10-22T14:37:59

Go: Regexp optimisation + don't use captures if not needed

diff --git a/components/prism-go.js b/components/prism-go.js
index 3875061..b9a4b04 100644
--- a/components/prism-go.js
+++ b/components/prism-go.js
@@ -1,11 +1,11 @@
 Prism.languages.go = Prism.languages.extend('clike', {
-	'keyword': /\b(break|case|chan|const|continue|default|defer|else|fallthrough|for|func|go(to)?|if|import|interface|map|package|range|return|select|struct|switch|type|var)\b/,
-	'builtin': /\b(bool|byte|complex(64|128)|error|float(32|64)|rune|string|u?int(8|16|32|64|)|uintptr|append|cap|close|complex|copy|delete|imag|len|make|new|panic|print(ln)?|real|recover)\b/,
-	'boolean': /\b(_|iota|nil|true|false)\b/,
+	'keyword': /\b(?:break|case|chan|const|continue|default|defer|else|fallthrough|for|func|go(?:to)?|if|import|interface|map|package|range|return|select|struct|switch|type|var)\b/,
+	'builtin': /\b(?:bool|byte|complex(?:64|128)|error|float(?:32|64)|rune|string|u?int(?:8|16|32|64)?|uintptr|append|cap|close|complex|copy|delete|imag|len|make|new|panic|print(?:ln)?|real|recover)\b/,
+	'boolean': /\b(?:_|iota|nil|true|false)\b/,
 	'operator': /[*\/%^!=]=?|\+[=+]?|-[=-]?|\|[=|]?|&(?:=|&|\^=?)?|>(?:>=?|=)?|<(?:<=?|=|-)?|:=|\.\.\./,
 	'number': /\b(-?(0x[a-f\d]+|(\d+\.?\d*|\.\d+)(e[-+]?\d+)?)i?)\b/i,
 	'string': {
-		pattern: /("|'|`)(\\?.|\r|\n)*?\1/,
+		pattern: /(["'`])(\\[\s\S]|(?!\1)[^\\])*\1/,
 		greedy: true
 	}
 });
diff --git a/components/prism-go.min.js b/components/prism-go.min.js
index 0fe6460..55aa210 100644
--- a/components/prism-go.min.js
+++ b/components/prism-go.min.js
@@ -1 +1 @@
-Prism.languages.go=Prism.languages.extend("clike",{keyword:/\b(break|case|chan|const|continue|default|defer|else|fallthrough|for|func|go(to)?|if|import|interface|map|package|range|return|select|struct|switch|type|var)\b/,builtin:/\b(bool|byte|complex(64|128)|error|float(32|64)|rune|string|u?int(8|16|32|64|)|uintptr|append|cap|close|complex|copy|delete|imag|len|make|new|panic|print(ln)?|real|recover)\b/,"boolean":/\b(_|iota|nil|true|false)\b/,operator:/[*\/%^!=]=?|\+[=+]?|-[=-]?|\|[=|]?|&(?:=|&|\^=?)?|>(?:>=?|=)?|<(?:<=?|=|-)?|:=|\.\.\./,number:/\b(-?(0x[a-f\d]+|(\d+\.?\d*|\.\d+)(e[-+]?\d+)?)i?)\b/i,string:{pattern:/("|'|`)(\\?.|\r|\n)*?\1/,greedy:!0}}),delete Prism.languages.go["class-name"];
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+Prism.languages.go=Prism.languages.extend("clike",{keyword:/\b(?:break|case|chan|const|continue|default|defer|else|fallthrough|for|func|go(?:to)?|if|import|interface|map|package|range|return|select|struct|switch|type|var)\b/,builtin:/\b(?:bool|byte|complex(?:64|128)|error|float(?:32|64)|rune|string|u?int(?:8|16|32|64)?|uintptr|append|cap|close|complex|copy|delete|imag|len|make|new|panic|print(?:ln)?|real|recover)\b/,"boolean":/\b(?:_|iota|nil|true|false)\b/,operator:/[*\/%^!=]=?|\+[=+]?|-[=-]?|\|[=|]?|&(?:=|&|\^=?)?|>(?:>=?|=)?|<(?:<=?|=|-)?|:=|\.\.\./,number:/\b(-?(0x[a-f\d]+|(\d+\.?\d*|\.\d+)(e[-+]?\d+)?)i?)\b/i,string:{pattern:/(["'`])(\\[\s\S]|(?!\1)[^\\])*\1/,greedy:!0}}),delete Prism.languages.go["class-name"];
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