Minor improvements for C-like and Clojure (#2064)

All changed patterns are equivalent with the exception of `c-like.class-name.pattern` where the `\b` before `catch` is new.

components/prism-clike.js

@@ -15,16 +15,16 @@ Prism.languages.clike = {
 		greedy: true
 	},
 	'class-name': {
-		pattern: /((?:\b(?:class|interface|extends|implements|trait|instanceof|new)\s+)|(?:catch\s+\())[\w.\\]+/i,
+		pattern: /(\b(?:class|interface|extends|implements|trait|instanceof|new)\s+|\bcatch\s+\()[\w.\\]+/i,
 		lookbehind: true,
 		inside: {
-			punctuation: /[.\\]/
+			'punctuation': /[.\\]/
 		}
 	},
 	'keyword': /\b(?:if|else|while|do|for|return|in|instanceof|function|new|try|throw|catch|finally|null|break|continue)\b/,
 	'boolean': /\b(?:true|false)\b/,
 	'function': /\w+(?=\()/,
 	'number': /\b0x[\da-f]+\b|(?:\b\d+\.?\d*|\B\.\d+)(?:e[+-]?\d+)?/i,
-	'operator': /--?|\+\+?|!=?=?|<=?|>=?|==?=?|&&?|\|\|?|\?|\*|\/|~|\^|%/,
+	'operator': /[<>]=?|[!=]=?=?|--?|\+\+?|&&?|\|\|?|[?*/~^%]/,
 	'punctuation': /[{}[\];(),.:]/
 };

prism.js

@@ -765,17 +765,17 @@ Prism.languages.clike = {
 		greedy: true
 	},
 	'class-name': {
-		pattern: /((?:\b(?:class|interface|extends|implements|trait|instanceof|new)\s+)|(?:catch\s+\())[\w.\\]+/i,
+		pattern: /(\b(?:class|interface|extends|implements|trait|instanceof|new)\s+|\bcatch\s+\()[\w.\\]+/i,
 		lookbehind: true,
 		inside: {
-			punctuation: /[.\\]/
+			'punctuation': /[.\\]/
 		}
 	},
 	'keyword': /\b(?:if|else|while|do|for|return|in|instanceof|function|new|try|throw|catch|finally|null|break|continue)\b/,
 	'boolean': /\b(?:true|false)\b/,
 	'function': /\w+(?=\()/,
 	'number': /\b0x[\da-f]+\b|(?:\b\d+\.?\d*|\B\.\d+)(?:e[+-]?\d+)?/i,
-	'operator': /--?|\+\+?|!=?=?|<=?|>=?|==?=?|&&?|\|\|?|\?|\*|\/|~|\^|%/,
+	'operator': /[<>]=?|[!=]=?=?|--?|\+\+?|&&?|\|\|?|[?*/~^%]/,
 	'punctuation': /[{}[\];(),.:]/
 };