initial (very broken) ParamSyntheticFieldProposalService implementation

Author: supersaiyansubtlety

enigma/src/main/java/org/quiltmc/enigma/api/analysis/EntryReference.java

@@ -10,6 +10,7 @@
 import org.quiltmc.enigma.api.translation.representation.entry.ClassEntry;
 import org.quiltmc.enigma.api.translation.representation.entry.Entry;
 import org.quiltmc.enigma.api.translation.representation.entry.FieldEntry;
+import org.quiltmc.enigma.api.translation.representation.entry.LocalVariableEntry;
 import org.quiltmc.enigma.api.translation.representation.entry.MethodEntry;
 import org.quiltmc.enigma.impl.EnigmaProjectImpl;
 
@@ -96,6 +97,14 @@ public Entry<?> getNameableEntry(EnigmaProject project) {
 					return definiteComponent;
 				}
 			}
+		} else if (this.entry instanceof FieldEntry field) {
+			final LocalVariableEntry linkedParam = ((EnigmaProjectImpl) project).getParamSyntheticFieldIndexingService()
+					.map(service -> service.getLinkedParam(field))
+					.orElse(null);
+
+			if (linkedParam != null) {
+				return linkedParam;
+			}
 		}
 
 		return this.entry;

enigma/src/main/java/org/quiltmc/enigma/impl/EnigmaProjectImpl.java

@@ -38,6 +38,7 @@
 import org.quiltmc.enigma.api.translation.representation.entry.MethodEntry;
 import org.quiltmc.enigma.impl.bytecode.translator.TranslationClassVisitor;
 import org.quiltmc.enigma.impl.plugin.EnumConstantIndexingService;
+import org.quiltmc.enigma.impl.plugin.ParamSyntheticFieldIndexingService;
 import org.quiltmc.enigma.impl.plugin.RecordIndexingService;
 import org.quiltmc.enigma.impl.translation.mapping.MappingsChecker;
 import org.quiltmc.enigma.util.I18n;
@@ -309,6 +310,12 @@ public Optional<RecordIndexingService> getRecordIndexingService() {
 			.map(service -> (RecordIndexingService) service);
 	}
 
+	public Optional<ParamSyntheticFieldIndexingService> getParamSyntheticFieldIndexingService() {
+		return this.getEnigma()
+			.getService(JarIndexerService.TYPE, ParamSyntheticFieldIndexingService.ID)
+			.map(service -> (ParamSyntheticFieldIndexingService) service);
+	}
+
 	private static boolean isEnumValueOfMethod(ClassDefEntry parent, MethodEntry method) {
 		return parent != null && parent.isEnum() && method.getName().equals("valueOf") && method.getDesc().toString().equals("(Ljava/lang/String;)L" + parent.getFullName() + ";");
 	}