[mathematica mode] Remove some regexps with exponential blowup risk

marijnh · marijnh · commit ebaccf65e3a1 · 2018-02-20T09:15:09.000+01:00
diff --git a/mode/mathematica/mathematica.js b/mode/mathematica/mathematica.js
@@ -71,12 +71,12 @@ CodeMirror.defineMode('mathematica', function(_config, _parserConfig) {
     }
 
     // usage
-    if (stream.match(/([a-zA-Z\$]+(?:`?[a-zA-Z0-9\$])*::usage)/, true, false)) {
+    if (stream.match(/([a-zA-Z\$][a-zA-Z0-9\$]*(?:`[a-zA-Z0-9\$]+)*::usage)/, true, false)) {
       return 'meta';
     }
 
     // message
-    if (stream.match(/([a-zA-Z\$]+(?:`?[a-zA-Z0-9\$])*::[a-zA-Z\$][a-zA-Z0-9\$]*):?/, true, false)) {
+    if (stream.match(/([a-zA-Z\$][a-zA-Z0-9\$]*(?:`[a-zA-Z0-9\$]+)*::[a-zA-Z\$][a-zA-Z0-9\$]*):?/, true, false)) {
       return 'string-2';
     }
 

Original file line number	Diff line number	Diff line change
`@@ -71,12 +71,12 @@ CodeMirror.defineMode('mathematica', function(_config, _parserConfig) {`
`71`	`71`	`}`
`72`	`72`
`73`	`73`	`// usage`
`74`		- if (stream.match(/([a-zA-Z\$]+(?:`?[a-zA-Z0-9\$])*::usage)/, true, false)) {
	`74`	+ if (stream.match(/([a-zA-Z\$][a-zA-Z0-9\$](?:`[a-zA-Z0-9\$]+)::usage)/, true, false)) {
`75`	`75`	`return 'meta';`
`76`	`76`	`}`
`77`	`77`
`78`	`78`	`// message`
`79`		- if (stream.match(/([a-zA-Z\$]+(?:`?[a-zA-Z0-9\$])::[a-zA-Z\$][a-zA-Z0-9\$]):?/, true, false)) {
	`79`	+ if (stream.match(/([a-zA-Z\$][a-zA-Z0-9\$](?:`[a-zA-Z0-9\$]+)::[a-zA-Z\$][a-zA-Z0-9\$]*):?/, true, false)) {
`80`	`80`	`return 'string-2';`
`81`	`81`	`}`
`82`	`82`