Weaken type of parser state lists from List<Object> to List<?>

src/main/java/org/sablecc/sablecc/parser/State.java

@@ -7,9 +7,9 @@ import java.util.List;
 final class State
 {
     int state;
-    List<Object> nodes; // elements are of type Node or List<Node>
+    List<?> nodes; // elements are of type Node or List<Node>
 
-    State(int state, List<Object> nodes)
+    State(int state, List<?> nodes)
     {
         this.state = state;
         this.nodes = nodes;

src/main/resources/org/sablecc/sablecc/parser.txt

@@ -45,7 +45,7 @@ public class Parser implements IParser
         this.lexer = lexer;
     }
 
-    private void checkResult(Object elementToCheck, List<Object> beginNodeList, List<Object> endNodeList) {
+    private void checkResult(Object elementToCheck, List<?> beginNodeList, List<?> endNodeList) {
         if (elementToCheck instanceof List<?>) {
             /*
              * special case: this is a list of nodes, for example an identifier
@@ -86,7 +86,7 @@ public class Parser implements IParser
         }
     }
 
-    private PositionedNode findBeginNode(final List<Object> list) {
+    private PositionedNode findBeginNode(final List<?> list) {
         Object first = list.get(0);
         if (first instanceof List<?>) {
             List<?> list2 = (List<?>) first;
@@ -101,7 +101,7 @@ public class Parser implements IParser
         return (PositionedNode)first;
     }
 
-    private PositionedNode findEndNode(final List<Object> list) {
+    private PositionedNode findEndNode(final List<?> list) {
         Object last = list.get(list.size() - 1);
         if (last instanceof List<?>) {
             final List<?> list2 = (List<?>) last;
@@ -111,7 +111,7 @@ public class Parser implements IParser
         return (PositionedNode)last;
     }
 
-    private void push(int numstate, List<Object> listNode)
+    private void push(int numstate, List<?> listNode)
     {
         if(!this.stack.hasNext())
         {
@@ -161,7 +161,7 @@ public class Parser implements IParser
         return s.state;
     }
 
-    private List<Object> pop()
+    private List<?> pop()
     {
         return this.stack.previous().nodes;
     }
@@ -221,7 +221,7 @@ public class Parser implements IParser
             {
                 case SHIFT:
                 {
-                    List<Object> list = Collections.<Object>singletonList(this.lexer.next());
+                    List<?> list = Collections.singletonList(this.lexer.next());
                     push(destination, list);
                 }
                 break;
@@ -234,7 +234,7 @@ $
 Macro:ParserParseReduce
                         case $0$: /* reduce $2$ */
                         {
-                            List<Object> list = new$0$();
+                            List<?> list = new$0$();
                             push(goTo($1$), list);
                         }
                         break;
@@ -264,13 +264,13 @@ $
 
 Macro:ParserNewHeader
 
-    private List<Object> new$0$() /* reduce $1$ */
+    private List<?> new$0$() /* reduce $1$ */
     {
 
 $
 
 Macro:ParserNewBodyDecl
-        List<Object> nodeArrayList$0$ = pop();
+        List<?> nodeArrayList$0$ = pop();
 
 $
 
@@ -352,7 +352,7 @@ Macro:ParserNewTailEmpty
 $
 
 Macro:ParserNewTailSingle
-        return Collections.<Object>singletonList($0$);
+        return Collections.singletonList($0$);
     }
 
 $
@@ -583,9 +583,9 @@ import java.util.List;
 final class State
 {
     int state;
-    List<Object> nodes; // elements are of type Node or List<Node>
+    List<?> nodes; // elements are of type Node or List<Node>
 
-    State(int state, List<Object> nodes)
+    State(int state, List<?> nodes)
     {
         this.state = state;
         this.nodes = nodes;