Use ClassId name in prettifiedName if canonical name is null (#484)

Author: dtim

utbot-framework-api/src/main/kotlin/org/utbot/framework/plugin/api/Api.kt

@@ -642,14 +642,21 @@ open class ClassId(
  open val simpleName: String get() = jClass.simpleName
 
  /**
- * For regular classes this is just a simple name
- * For anonymous classes this includes the containing class and numeric indices of the anonymous class
+ * For regular classes this is just a simple name.
+ * For anonymous classes this includes the containing class and numeric indices of the anonymous class.
+ *
+ * Note: according to [java.lang.Class.getCanonicalName] documentation, local and anonymous classes
+ * do not have canonical names, as well as arrays whose elements don't have canonical classes themselves.
+ * In these cases prettified names are constructed using [ClassId.name] instead of [ClassId.canonicalName].
  */
  val prettifiedName: String
- get() = canonicalName
- .substringAfterLast(".")
- .replace(Regex("[^a-zA-Z0-9]"), "")
- .let { if (this.isArray) it + "Array" else it }
+ get() {
+ val className = jClass.canonicalName ?: name // Explicit jClass reference to get null instead of exception
+ return className
+ .substringAfterLast(".")
+ .replace(Regex("[^a-zA-Z0-9]"), "")
+ .let { if (this.isArray) it + "Array" else it }
+ }
 
  open val packageName: String get() = jClass.`package`?.name ?: "" // empty package for primitives