PHPDoc: Fixed exponential backtracking (#2198)

This fixed the exponential backtracking of the pattern which matched PHP classes.
PrismJS · Feb 4, 2020 · 3b42536 · 3b42536
1 parent 984e5d2
commit 3b42536
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Showing 3 changed files with 18 additions and 2 deletions.
diff --git a/components/prism-phpdoc.js b/components/prism-phpdoc.js
@@ -1,6 +1,6 @@
 (function (Prism) {
 
-	var typeExpression = /(?:[a-zA-Z]\w*|[|\\[\]])+/.source;
+	var typeExpression = /(?:\b[a-zA-Z]\w*|[|\\[\]])+/.source;
 
 	Prism.languages.phpdoc = Prism.languages.extend('javadoclike', {
 		'parameter': {

diff --git a/components/prism-phpdoc.min.js b/components/prism-phpdoc.min.js
diff --git a/tests/languages/phpdoc/issue2197.test b/tests/languages/phpdoc/issue2197.test
@@ -0,0 +1,16 @@
+/** @var Git_Driver_Gerrit_ProjectCreator_Factory */
+
+----------------------------------------------------
+
+[
+	"/** ",
+	["keyword", "@var"],
+	["class-name", [
+		"Git_Driver_Gerrit_ProjectCreator_Factory"
+	]],
+	" */"
+]
+
+----------------------------------------------------
+
+Checks exponential backtracking for types. See #2197.