1 files changed, 24 insertions, 2 deletions

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 );
                 }
         }
 }