syntax: Move is_lit to mod token

Author: brson

src/librustsyntax/parse/comments.rs

@@ -148,16 +148,6 @@ fn consume_comment(rdr: reader, code_to_the_left: bool, &comments: [cmnt]) {
     #debug("<<< consume comment");
 }
 
-fn is_lit(t: token::token) -> bool {
-    ret alt t {
-          token::LIT_INT(_, _) { true }
-          token::LIT_UINT(_, _) { true }
-          token::LIT_FLOAT(_, _) { true }
-          token::LIT_STR(_) { true }
-          _ { false }
-        }
-}
-
 type lit = {lit: str, pos: uint};
 
 fn gather_comments_and_literals(span_diagnostic: diagnostic::span_handler,
@@ -186,7 +176,7 @@ fn gather_comments_and_literals(span_diagnostic: diagnostic::span_handler,
             break;
         }
         let tok = next_token(rdr);
-        if is_lit(tok.tok) {
+        if token::is_lit(tok.tok) {
             let s = rdr.get_str_from(tok.bpos);
             literals += [{lit: s, pos: tok.chpos}];
             log(debug, "tok lit: " + s);

src/librustsyntax/parse/token.rs

@@ -187,6 +187,16 @@ pure fn can_begin_expr(t: token) -> bool {
     }
 }
 
+fn is_lit(t: token::token) -> bool {
+    ret alt t {
+          token::LIT_INT(_, _) { true }
+          token::LIT_UINT(_, _) { true }
+          token::LIT_FLOAT(_, _) { true }
+          token::LIT_STR(_) { true }
+          _ { false }
+        }
+}
+
 fn is_ident(t: token::token) -> bool {
     alt t { token::IDENT(_, _) { ret true; } _ { } }
     ret false;