make long literals Longs

CSharpTranslator/antlr3/src/cs2j/CSharp/JavaMaker.g

@@ -1426,7 +1426,8 @@ also_keyword:
 
 literal:
 	Real_literal
-	| NUMBER
+	| n=NUMBER -> {UInt64.Parse($n.text) > Int32.MaxValue}? LONGNUMBER[$n.token, $n.text]
+               -> $n
 	| Hex_number
 	| Character_literal
 	| STRINGLITERAL

CSharpTranslator/antlr3/src/cs2j/CSharp/JavaPrettyPrint.g

@@ -1374,6 +1374,7 @@ also_keyword:
 literal:
 	Real_literal -> string(payload={$Real_literal.text}) 
 	| NUMBER -> string(payload={$NUMBER.text}) 
+	| LONGNUMBER -> string(payload={$LONGNUMBER.text + "L"}) 
 	| Hex_number -> string(payload={$Hex_number.text}) 
 	| Character_literal -> string(payload={$Character_literal.text}) 
 	| STRINGLITERAL -> string(payload={ $STRINGLITERAL.text }) 

CSharpTranslator/antlr3/src/cs2j/CSharp/NetMaker.g

@@ -993,6 +993,7 @@ also_keyword:
 literal:
 	Real_literal
 	| NUMBER
+	| LONGNUMBER
 	| Hex_number
 	| Character_literal
 	| STRINGLITERAL

CSharpTranslator/antlr3/src/cs2j/CSharp/cs.g

@@ -104,6 +104,7 @@ tokens {
             UNSIGNED_RIGHT_SHIFT;  /* not in C#: >>> */
             
             SUPER;
+            LONGNUMBER;
 
             PLUS = '+';