Whitelist some ScriptDocValues in painless (#22600)

Without this whitelist painless can't use ip or binary doc values.

Closes #22584

Author: nik9000

core/src/main/java/org/elasticsearch/index/mapper/IpFieldMapper.java

@@ -19,7 +19,6 @@
 
 package org.elasticsearch.index.mapper;
 
-import org.apache.lucene.document.Field;
 import org.apache.lucene.document.InetAddressPoint;
 import org.apache.lucene.document.SortedSetDocValuesField;
 import org.apache.lucene.document.StoredField;
@@ -32,7 +31,6 @@
 import org.apache.lucene.search.MatchNoDocsQuery;
 import org.apache.lucene.search.Query;
 import org.apache.lucene.util.BytesRef;
-import org.elasticsearch.Version;
 import org.elasticsearch.action.fieldstats.FieldStats;
 import org.elasticsearch.common.Explicit;
 import org.elasticsearch.common.Nullable;
@@ -41,7 +39,6 @@
 import org.elasticsearch.common.xcontent.XContentBuilder;
 import org.elasticsearch.index.fielddata.IndexFieldData;
 import org.elasticsearch.index.fielddata.ScriptDocValues;
-import org.elasticsearch.index.fielddata.SortedBinaryDocValues;
 import org.elasticsearch.index.fielddata.plain.DocValuesIndexFieldData;
 import org.elasticsearch.index.mapper.LegacyNumberFieldMapper.Defaults;
 import org.elasticsearch.index.query.QueryShardContext;
@@ -52,11 +49,9 @@
 import java.net.InetAddress;
 import java.util.AbstractList;
 import java.util.Arrays;
-import java.util.Collection;
 import java.util.Collections;
 import java.util.Iterator;
 import java.util.List;
-import java.util.ListIterator;
 import java.util.Map;
 
 /** A {@link FieldMapper} for ip addresses. */
@@ -238,7 +233,7 @@ public FieldStats.Ip stats(IndexReader reader) throws IOException {
                 InetAddressPoint.decode(min), InetAddressPoint.decode(max));
         }
 
-        private static class IpScriptDocValues extends AbstractList<String> implements ScriptDocValues<String> {
+        public static final class IpScriptDocValues extends AbstractList<String> implements ScriptDocValues<String> {
 
             private final RandomAccessOrds values;
 

modules/lang-painless/src/main/java/org/elasticsearch/painless/Definition.java

@@ -566,11 +566,11 @@ private Map<String,List<String>> addStructs() {
                         }
                         if (line.startsWith("class ")) {
                             String elements[] = line.split("\u0020");
-                            assert elements[2].equals("->");
+                            assert elements[2].equals("->") : "Invalid struct definition [" + String.join(" ", elements) +"]";
                             if (elements.length == 7) {
                                 hierarchy.put(elements[1], Arrays.asList(elements[5].split(",")));
                             } else {
-                                assert elements.length == 5;
+                                assert elements.length == 5 : "Invalid struct definition [" + String.join(" ", elements) + "]";
                             }
                             String className = elements[1];
                             String javaPeer = elements[3];
@@ -612,7 +612,7 @@ private Map<String,List<String>> addStructs() {
                     }
                 }
             } catch (Exception e) {
-                throw new RuntimeException("syntax error in " + file + ", line: " + currentLine, e);
+                throw new RuntimeException("error in " + file + ", line: " + currentLine, e);
             }
         }
         return hierarchy;

modules/lang-painless/src/main/resources/org/elasticsearch/painless/org.elasticsearch.txt

@@ -114,6 +114,26 @@ class org.elasticsearch.index.fielddata.ScriptDocValues.Booleans -> org.elastics
   List getValues()
 }
 
+class org.elasticsearch.index.fielddata.ScriptDocValues.BytesRefs -> org.elasticsearch.index.fielddata.ScriptDocValues$BytesRefs extends List,Collection,Iterable,Object {
+  BytesRef get(int)
+  BytesRef getValue()
+  List getValues()
+}
+
+class BytesRef -> org.apache.lucene.util.BytesRef extends Object {
+  byte[] bytes
+  int offset
+  int length
+  boolean bytesEquals(BytesRef)
+  String utf8ToString()
+}
+
+class org.elasticsearch.index.mapper.IpFieldMapper.IpFieldType.IpScriptDocValues -> org.elasticsearch.index.mapper.IpFieldMapper$IpFieldType$IpScriptDocValues extends List,Collection,Iterable,Object {
+  String get(int)
+  String getValue()
+  List getValues()
+}
+
 # for testing.
 # currently FeatureTest exposes overloaded constructor, field load store, and overloaded static methods
 class org.elasticsearch.painless.FeatureTest -> org.elasticsearch.painless.FeatureTest extends Object {