From 495589a81532a9a5ee32bea8f1a2a6ac7420d3e2 Mon Sep 17 00:00:00 2001
From: Roman Shevchenko <roman.shevchenko@jetbrains.com>
Date: Sat, 24 May 2014 14:00:22 +0400
Subject: natural enum formatting (injected constructor parameters omitted)

---
 src/de/fernflower/main/ClassWriter.java            |  9 ++--
 src/de/fernflower/main/EnumProcessor.java          |  3 +-
 .../modules/decompiler/exps/InvocationExprent.java | 19 +++----
 .../modules/decompiler/exps/NewExprent.java        | 63 +++++++++++++---------
 4 files changed, 52 insertions(+), 42 deletions(-)

(limited to 'src')

diff --git a/src/de/fernflower/main/ClassWriter.java b/src/de/fernflower/main/ClassWriter.java
index 68b4689..54a490e 100644
--- a/src/de/fernflower/main/ClassWriter.java
+++ b/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);
@@ -861,10 +861,11 @@ public class ClassWriter {
 					lastparam_index = i;
 				}
 			}
-			
+
 			boolean firstpar = true;
-			int index = thisvar?1:0;
-			for(int i=0;i<md.params.length;i++) {
+      int index = isEnum && init ? 3 : thisvar ? 1 : 0;
+      int start = isEnum && init ? 2 : 0;
+      for(int i=start;i<md.params.length;i++) {
 				if(signFields == null || signFields.get(i) == null) {
 					
 					if(!firstpar) {
diff --git a/src/de/fernflower/main/EnumProcessor.java b/src/de/fernflower/main/EnumProcessor.java
index 036b6b7..f5bede8 100644
--- a/src/de/fernflower/main/EnumProcessor.java
+++ b/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);
+          }
 				}
 			}
 		}
diff --git a/src/de/fernflower/modules/decompiler/exps/InvocationExprent.java b/src/de/fernflower/modules/decompiler/exps/InvocationExprent.java
index 8427cbf..7d312a5 100644
--- a/src/de/fernflower/modules/decompiler/exps/InvocationExprent.java
+++ b/src/de/fernflower/modules/decompiler/exps/InvocationExprent.java
@@ -14,19 +14,12 @@
 
 package de.fernflower.modules.decompiler.exps;
 
-import java.io.BufferedWriter;
-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 java.util.*;
 
 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(", ");
diff --git a/src/de/fernflower/modules/decompiler/exps/NewExprent.java b/src/de/fernflower/modules/decompiler/exps/NewExprent.java
index 3e636d7..8db9f89 100644
--- a/src/de/fernflower/modules/decompiler/exps/NewExprent.java
+++ b/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) {
 			
@@ -189,9 +189,13 @@ 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(", ");
@@ -239,7 +243,11 @@ public class NewExprent extends Exprent {
 			}
 			
 			buf.append(")");
-			
+
+      if(enumconst && buf.length() == 2) {
+        buf.setLength(0);
+      }
+
 			StringWriter strwriter = new StringWriter();
 			BufferedWriter bufstrwriter = new BufferedWriter(strwriter);
 			
@@ -297,26 +305,29 @@ public class NewExprent extends Exprent {
 							}
 						}
 					}
-					
-					buf.append("(");
-					
-					boolean firstpar = true;
-					for(int i=0;i<lstParameters.size();i++) {
-						if(sigFields == null || sigFields.get(i) == null) {
-							if(!firstpar) {
-								buf.append(", ");
-							}
-							
-							StringBuilder buff = new StringBuilder();
-							ExprProcessor.getCastedExprent(lstParameters.get(i), constructor.getDescriptor().params[i], buff, indent, true);
-							
-							buf.append(buff);
-							firstpar = false;
-						}
-					}
-					buf.append(")");
-				}
-				
+
+          int start = enumconst ? 2 : 0;
+          if(start < lstParameters.size()) {
+            buf.append("(");
+
+            boolean firstpar = true;
+            for(int i=start;i<lstParameters.size();i++) {
+              if(sigFields == null || sigFields.get(i) == null) {
+                if(!firstpar) {
+                  buf.append(", ");
+                }
+
+                StringBuilder buff = new StringBuilder();
+                ExprProcessor.getCastedExprent(lstParameters.get(i), constructor.getDescriptor().params[i], buff, indent, true);
+
+                buf.append(buff);
+                firstpar = false;
+              }
+            }
+            buf.append(")");
+          }
+        }
+
 				if(!enumconst) {
 					String enclosing = null;
 					if(constructor != null) {
@@ -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++) {
-- 
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