natural enum formatting (injected constructor parameters omitted)

src/de/fernflower/main/ClassWriter.java

@@ -698,7 +698,7 @@ public class ClassWriter {
 		
 		boolean isInterface = (cl.access_flags & CodeConstants.ACC_INTERFACE) != 0;
 		boolean isAnnotation = (cl.access_flags & CodeConstants.ACC_ANNOTATION) != 0;
-
+    boolean isEnum = (cl.access_flags & CodeConstants.ACC_ENUM) != 0 && DecompilerContext.getOption(IFernflowerPreferences.DECOMPILE_ENUM);
 		boolean isDeprecated = mt.getAttributes().containsKey("Deprecated");
 		
 		String indstr = InterpreterUtil.getIndentString(indent);
@@ -863,8 +863,9 @@ public class ClassWriter {
 			}
 
 			boolean firstpar = true;
-			int index = thisvar?1:0;
+      int index = isEnum && init ? 3 : thisvar ? 1 : 0;
-			for(int i=0;i<md.params.length;i++) {
+      int start = isEnum && init ? 2 : 0;
+      for(int i=start;i<md.params.length;i++) {
 				if(signFields == null || signFields.get(i) == null) {
 					
 					if(!firstpar) {

src/de/fernflower/main/EnumProcessor.java

@@ -86,7 +86,8 @@ public class EnumProcessor {
 					NewExprent nexpr = (NewExprent)initializer;
 					if(nexpr.isAnonymous()) {
 						ClassNode child = DecompilerContext.getClassprocessor().getMapRootClasses().get(nexpr.getNewtype().value); 
-						hideDummyFieldInConstant(child.wrapper);					}
+						hideDummyFieldInConstant(child.wrapper);
+          }
 				}
 			}
 		}

src/de/fernflower/modules/decompiler/exps/InvocationExprent.java

@@ -14,19 +14,12 @@
 
 package de.fernflower.modules.decompiler.exps;
 
-import java.io.BufferedWriter;
+import java.util.*;
-import java.io.IOException;
-import java.io.StringWriter;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Set;
 
 import de.fernflower.code.CodeConstants;
-import de.fernflower.main.ClassWriter;
-import de.fernflower.main.DecompilerContext;
 import de.fernflower.main.ClassesProcessor.ClassNode;
+import de.fernflower.main.DecompilerContext;
+import de.fernflower.main.extern.IFernflowerPreferences;
 import de.fernflower.main.rels.MethodWrapper;
 import de.fernflower.modules.decompiler.ExprProcessor;
 import de.fernflower.modules.decompiler.vars.CheckTypesResult;
@@ -316,6 +309,7 @@ public class InvocationExprent extends Exprent {
 		}
 		
 		List<VarVersionPaar> sigFields = null;
+    boolean isEnum = false;
 		if(functype == TYP_INIT) {
 			ClassNode newnode = DecompilerContext.getClassprocessor().getMapRootClasses().get(classname); 
 			
@@ -328,13 +322,16 @@ public class InvocationExprent extends Exprent {
 						sigFields.set(0, new VarVersionPaar(-1, 0));
 					}
 				}
+        isEnum = (newnode.classStruct.access_flags & CodeConstants.ACC_ENUM) != 0 &&
+            DecompilerContext.getOption(IFernflowerPreferences.DECOMPILE_ENUM);
 			}
 		}
 		
 		Set<Integer> setAmbiguousParameters = getAmbiguousParameters();
 		
 		boolean firstpar = true;
-		for(int i=0;i<lstParameters.size();i++) {
+    int start = isEnum ? 2 : 0;
+		for(int i=start;i<lstParameters.size();i++) {
 			if(sigFields == null || sigFields.get(i) == null) {
 				if(!firstpar) {
 					buf.append(", ");

src/de/fernflower/modules/decompiler/exps/NewExprent.java

@@ -163,7 +163,7 @@ public class NewExprent extends Exprent {
 	}
 	
 	public String toJava(int indent) {
-		StringBuffer buf = new StringBuffer();
+		StringBuilder buf = new StringBuilder();
 		
 		if(anonymous) {
 			
@@ -191,7 +191,11 @@ public class NewExprent extends Exprent {
 				}
 
 				boolean firstpar = true;
-				for(int i=0;i<invsuper.getLstParameters().size();i++) {
+        int start = 0, end = invsuper.getLstParameters().size();
+        if(enumconst) {
+          start += 2; end -= 1;
+        }
+        for(int i=start;i<end;i++) {
 					if(sigFields == null || sigFields.get(i) == null) {
 						if(!firstpar) {
 							buf.append(", ");
@@ -240,6 +244,10 @@ public class NewExprent extends Exprent {
 			
 			buf.append(")");
 
+      if(enumconst && buf.length() == 2) {
+        buf.setLength(0);
+      }
+
 			StringWriter strwriter = new StringWriter();
 			BufferedWriter bufstrwriter = new BufferedWriter(strwriter);
 			
@@ -298,10 +306,12 @@ public class NewExprent extends Exprent {
 						}
 					}
 
+          int start = enumconst ? 2 : 0;
+          if(start < lstParameters.size()) {
             buf.append("(");
 
             boolean firstpar = true;
-					for(int i=0;i<lstParameters.size();i++) {
+            for(int i=start;i<lstParameters.size();i++) {
               if(sigFields == null || sigFields.get(i) == null) {
                 if(!firstpar) {
                   buf.append(", ");
@@ -315,6 +325,7 @@ public class NewExprent extends Exprent {
               }
             }
             buf.append(")");
+          }
         }
 
 				if(!enumconst) {
@@ -341,11 +352,11 @@ public class NewExprent extends Exprent {
 				}
 				
 			} else {
-				buf.append("new "+ExprProcessor.getTypeName(newtype));
+				buf.append("new ").append(ExprProcessor.getTypeName(newtype));
 
 				if(lstArrayElements.isEmpty()) {
 	 				for(int i=0;i<newtype.arraydim;i++) {
-						buf.append("["+(i<lstDims.size()?lstDims.get(i).toJava(indent):"")+"]");
+						buf.append("[").append(i < lstDims.size() ? lstDims.get(i).toJava(indent) : "").append("]");
 					}
 				} else {
 	 				for(int i=0;i<newtype.arraydim;i++) {