C++: reintroduce deprecated predicates that affect an internal test

Author: erik-krogh

cpp/ql/lib/semmle/code/cpp/File.qll

@@ -34,6 +34,14 @@ class Container extends Locatable, @container {
    */
   string getAbsolutePath() { none() } // overridden by subclasses
 
+  /**
+   * DEPRECATED: Use `getLocation` instead.
+   * Gets a URL representing the location of this container.
+   *
+   * For more information see [Providing URLs](https://codeql.github.com/docs/writing-codeql-queries/providing-locations-in-codeql-queries/#providing-urls).
+   */
+  deprecated string getURL() { none() } // overridden by subclasses
+
   /**
    * Gets the relative path of this file or folder from the root folder of the
    * analyzed source location. The relative path of the root folder itself is
@@ -176,6 +184,12 @@ class Folder extends Container, @folder {
 
   override string getAPrimaryQlClass() { result = "Folder" }
 
+  /**
+   * DEPRECATED: Use `getLocation` instead.
+   * Gets the URL of this folder.
+   */
+  deprecated override string getURL() { result = "file://" + this.getAbsolutePath() + ":0:0:0:0" }
+
   /**
    * DEPRECATED: use `getAbsolutePath` instead.
    * Gets the name of this folder.
@@ -213,6 +227,12 @@ class File extends Container, @file {
     result.hasLocationInfo(_, 0, 0, 0, 0)
   }
 
+  /**
+   * DEPRECATED: Use `getLocation` instead.
+   * Gets the URL of this file.
+   */
+  deprecated override string getURL() { result = "file://" + this.getAbsolutePath() + ":0:0:0:0" }
+
   /** Holds if this file was compiled as C (at any point). */
   predicate compiledAsC() { fileannotations(underlyingElement(this), 1, "compiled as c", "1") }