Inline a few local variables in generated Parser

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

@@ -178,11 +178,9 @@ public class Parser implements IParser
             switch(action)
             {
                 case SHIFT:
-                {
-                    List<?> list = Collections.singletonList(this.lexer.next());
-                    push(destination, list);
-                }
+                    push(destination, Collections.singletonList(this.lexer.next()));
                     break;
+
                 case REDUCE:
                     switch(destination)
                     {
@@ -1804,13 +1802,12 @@ public class Parser implements IParser
                             throw new ParserException(lastToken, "[" + lastToken.getLine() + "," + lastToken.getPos() + "] Internal parser error: invalid action table REDUCE destination " + destination + ", current state " + state());
                     }
                     break;
+
                 case ACCEPT:
-                {
-                    EOF node2 = (EOF) this.lexer.next();
-                    PGrammar node1 = (PGrammar) pop().get(0);
-                    Start node = new Start(node1, node2);
-                    return node;
-                }
+                    EOF eof = (EOF) this.lexer.next();
+                    PGrammar top = (PGrammar) pop().get(0);
+                    return new Start(top, eof);
+
                 case ERROR:
                     throw new ParserException(lastToken,
                         "[" + lastToken.getLine() + "," + lastToken.getPos() + "] " ,

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

@@ -186,11 +186,9 @@ public class Parser implements IParser
             switch(action)
             {
                 case SHIFT:
-                {
-                    List<?> list = Collections.singletonList(this.lexer.next());
-                    push(destination, list);
-                }
+                    push(destination, Collections.singletonList(this.lexer.next()));
                     break;
+
                 case REDUCE:
                     switch(destination)
                     {
@@ -212,13 +210,12 @@ Macro:ParserParseTail
                             throw new ParserException(lastToken, "[" + lastToken.getLine() + "," + lastToken.getPos() + "] Internal parser error: invalid action table REDUCE destination " + destination + ", current state " + state());
                     }
                     break;
+
                 case ACCEPT:
-                {
-                    EOF node2 = (EOF) this.lexer.next();
-                    $0$ node1 = ($0$) pop().get(0);
-                    Start node = new Start(node1, node2);
-                    return node;
-                }
+                    EOF eof = (EOF) this.lexer.next();
+                    $0$ top = ($0$) pop().get(0);
+                    return new Start(top, eof);
+
                 case ERROR:
                     throw new ParserException(lastToken,
                         "[" + lastToken.getLine() + "," + lastToken.getPos() + "] " ,