Repair Method#parameters and return no names for core methods not implemented in Ruby

Author: andrykonchin

src/main/java/org/truffleruby/core/proc/RubyProc.java

@@ -123,7 +123,7 @@ public int getArityNumber() {
     }
 
     public ArgumentDescriptor[] getArgumentDescriptors() {
-        return argumentDescriptors == null ? arity.toAnonymousArgumentDescriptors() : argumentDescriptors;
+        return argumentDescriptors == null ? arity.toUnnamedArgumentDescriptors() : argumentDescriptors;
     }
 
     // region SourceLocation

src/main/java/org/truffleruby/language/methods/Arity.java

@@ -164,31 +164,31 @@ public String[] getRequiredKeywordArguments() {
         return requiredKeywords;
     }
 
-    public ArgumentDescriptor[] toAnonymousArgumentDescriptors() {
+    public ArgumentDescriptor[] toUnnamedArgumentDescriptors() {
         List<ArgumentDescriptor> descs = new ArrayList<>();
 
         for (int i = 0; i < preRequired; i++) {
-            descs.add(new ArgumentDescriptor(ArgumentType.anonreq));
+            descs.add(new ArgumentDescriptor(ArgumentType.unnamedreq));
         }
 
         for (int i = 0; i < optional; i++) {
-            descs.add(new ArgumentDescriptor(ArgumentType.anonopt));
+            descs.add(new ArgumentDescriptor(ArgumentType.unnamedopt));
         }
 
         if (hasRest) {
-            descs.add(new ArgumentDescriptor(ArgumentType.anonrest));
+            descs.add(new ArgumentDescriptor(ArgumentType.unnamedrest));
         }
 
         for (int i = 0; i < postRequired; i++) {
-            descs.add(new ArgumentDescriptor(ArgumentType.anonreq));
+            descs.add(new ArgumentDescriptor(ArgumentType.unnamedreq));
         }
 
         for (String keyword : keywordArguments) {
             descs.add(new ArgumentDescriptor(ArgumentType.key, keyword));
         }
 
         if (hasKeywordsRest) {
-            descs.add(new ArgumentDescriptor(ArgumentType.anonkeyrest));
+            descs.add(new ArgumentDescriptor(ArgumentType.unnamedkeyrest));
         }
 
         return descs.toArray(ArgumentDescriptor.EMPTY_ARRAY);

src/main/java/org/truffleruby/language/methods/SharedMethodInfo.java

@@ -116,7 +116,7 @@ public ArgumentDescriptor[] getRawArgumentDescriptors() {
     }
 
     public ArgumentDescriptor[] getArgumentDescriptors() {
-        return argumentDescriptors == null ? arity.toAnonymousArgumentDescriptors() : argumentDescriptors;
+        return argumentDescriptors == null ? arity.toUnnamedArgumentDescriptors() : argumentDescriptors;
     }
 
     public boolean isBlock() {

src/main/java/org/truffleruby/parser/ArgumentType.java

@@ -36,12 +36,14 @@ public enum ArgumentType {
     rest("rest", false),
     req("req", false),
     anonreq("req", true),
-    anonopt("opt", true),
     anonrest("rest", true),
     anonkeyrest("keyrest", true),
-    anonblock("block", true),
+    unnamedreq("req", true),
+    unnamedopt("opt", true),
     unnamedrest("rest", true),
-    nokey("nokey", true); // **nil
+    unnamedkeyrest("keyrest", true),
+
+    nokey("nokey", true);
 
     ArgumentType(String symbolicName, boolean anonymous) {
         this.symbolicName = symbolicName;