Fix old mappings not properly being removed

1 files changed, 16 insertions, 0 deletions

diff --git a/src/main/java/cuchaz/enigma/mapping/ClassMapping.java b/src/main/java/cuchaz/enigma/mapping/ClassMapping.java
index be9e741..8f3f2b2 100644
--- a/src/main/java/cuchaz/enigma/mapping/ClassMapping.java
+++ b/src/main/java/cuchaz/enigma/mapping/ClassMapping.java
@@ -573,6 +573,22 @@ public class ClassMapping implements Comparable<ClassMapping> {
                 return this;
         }
 
+        public ClassMapping copy() {
+                ClassMapping copied = new ClassMapping(this.obfFullName);
+                copied.obfSimpleName= this.obfSimpleName;
+                copied.modifier = this.modifier;
+                copied.deobfFullName = this.deobfFullName;
+                copied.deobfName = this.deobfName;
+                copied.innerClassesByDeobf = this.innerClassesByDeobf;
+                copied.innerClassesByObfFull = this.innerClassesByObfFull;
+                copied.innerClassesByObfSimple = this.innerClassesByObfSimple;
+                copied.fieldsByObf = this.fieldsByObf;
+                copied.fieldsByDeobf = this.fieldsByDeobf;
+                copied.methodsByObf = this.methodsByObf;
+                copied.methodsByDeobf = this.methodsByDeobf;
+                return copied;
+        }
+
         @Override
         public int hashCode() {
                 return this.obfFullName.hashCode();