wip

Author: hvitved

shared/util/codeql/util/UnboundList.qll

@@ -53,17 +53,13 @@ module Make<LocationSig Location, InputSig<Location> Input> {
   /** Gets the rank of element `e`, which is used internally in the string encoding. */
   int getRank(Element e) { e = DenseRank<DenseRankInput>::denseRank(result) }
 
-  private module AsciiDenseRankInput implements DenseRankInputSig {
-    class Ranked = string;
-
-    int getRank(string s) {
-      result = asciiPrintable(s) and
-      s != "." // used as element separator
-    }
-  }
-
+  pragma[nomagic]
   private string interpretAsciiCode(int code) {
-    result = DenseRank<AsciiDenseRankInput>::denseRank(code + 1)
+    exists(int dot, int c |
+      c = code + 1 and
+      dot = asciiPrintable(".") and // used as element separator
+      if c < dot then c = asciiPrintable(result) else c + 1 = asciiPrintable(result)
+    )
   }
 
   private int asciiCodes() { result = strictcount(interpretAsciiCode(_)) }