sync files

erik-krogh · erik-krogh · commit c8d29a9cf18e · 2022-01-07T18:38:02.000+01:00
diff --git a/ruby/ql/lib/codeql/ruby/security/performance/ReDoSUtil.qll b/ruby/ql/lib/codeql/ruby/security/performance/ReDoSUtil.qll
@@ -98,6 +98,8 @@ predicate matchesEpsilon(RegExpTerm t) {
   matchesEpsilon(t.(RegExpBackRef).getGroup())
   or
   forex(RegExpTerm child | child = t.(RegExpSequence).getAChild() | matchesEpsilon(child))
+  or
+  t.(RegExpRange).getLowerBound() = 0
 }
 
 /**

Original file line number	Diff line number	Diff line change
`@@ -98,6 +98,8 @@ predicate matchesEpsilon(RegExpTerm t) {`
`98`	`98`	`matchesEpsilon(t.(RegExpBackRef).getGroup())`
`99`	`99`	`or`
`100`	`100`	`forex(RegExpTerm child \| child = t.(RegExpSequence).getAChild() \| matchesEpsilon(child))`
	`101`	`+ or`
	`102`	`+ t.(RegExpRange).getLowerBound() = 0`
`101`	`103`	`}`
`102`	`104`
`103`	`105`	`/**`