From 76be350b3c54ea88cc1a95b5cf0d1db153f2edb3 Mon Sep 17 00:00:00 2001
From: jeff
Date: Sun, 3 Aug 2014 11:16:33 -0400
Subject: fixed bugs with saving mappings got argument renaming to work

---
 .../enigma/bytecode/MethodParameterWriter.java     | 26 ++++++++++++++++++++--
 1 file changed, 24 insertions(+), 2 deletions(-)

(limited to 'src/cuchaz/enigma/bytecode/MethodParameterWriter.java')

diff --git a/src/cuchaz/enigma/bytecode/MethodParameterWriter.java b/src/cuchaz/enigma/bytecode/MethodParameterWriter.java
index 1e5d1f0..a8d3983 100644
--- a/src/cuchaz/enigma/bytecode/MethodParameterWriter.java
+++ b/src/cuchaz/enigma/bytecode/MethodParameterWriter.java
@@ -10,9 +10,15 @@
  ******************************************************************************/
 package cuchaz.enigma.bytecode;
 
+import java.util.ArrayList;
+import java.util.List;
+
 import javassist.CtBehavior;
 import javassist.CtClass;
-import javassist.bytecode.AttributeInfo;
+import javassist.bytecode.Descriptor;
+import cuchaz.enigma.mapping.ArgumentEntry;
+import cuchaz.enigma.mapping.ClassEntry;
+import cuchaz.enigma.mapping.MethodEntry;
 import cuchaz.enigma.mapping.Translator;
 
 public class MethodParameterWriter
@@ -27,9 +33,25 @@ public class MethodParameterWriter
 	public void writeMethodArguments( CtClass c )
 	{
 		// Procyon will read method arguments from the "MethodParameters" attribute, so write those
+		ClassEntry classEntry = new ClassEntry( Descriptor.toJvmName( c.getName() ) );
 		for( CtBehavior behavior : c.getDeclaredBehaviors() )
 		{
-			AttributeInfo attribute = behavior.getMethodInfo().getAttribute( "MethodParameter" );
+			int numParams = Descriptor.numOfParameters( behavior.getMethodInfo().getDescriptor() );
+			if( numParams <= 0 )
+			{
+				continue;
+			}
+			
+			// get the list of parameter names
+			MethodEntry methodEntry = new MethodEntry( classEntry, behavior.getMethodInfo().getName(), behavior.getSignature() );
+			List<String> names = new ArrayList<String>( numParams );
+			for( int i=0; i<numParams; i++ )
+			{
+				names.add( m_translator.translate( new ArgumentEntry( methodEntry, i, "" ) ) );
+			}
+			
+			// save the mappings to the class
+			MethodParametersAttribute.updateClass( behavior.getMethodInfo(), names );
 		}
 	}
 }
-- 
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