Remove unused filename parameter from lexer.new_reader

Author: brson

src/comp/front/lexer.rs

@@ -28,7 +28,7 @@ state type reader = state obj {
     fn err(str m);
 };
 
-fn new_reader(session sess, IO.reader rdr, str filename,
+fn new_reader(session sess, IO.reader rdr,
               codemap.filemap filemap) -> reader {
 
     state obj reader(session sess,
@@ -937,7 +937,7 @@ fn read_block_comment(reader rdr) -> cmnt {
 
 fn gather_comments(session sess, str path) -> vec[cmnt] {
     auto srdr = IO.file_reader(path);
-    auto rdr = new_reader(sess, srdr, path, codemap.new_filemap(path, 0u));
+    auto rdr = new_reader(sess, srdr, codemap.new_filemap(path, 0u));
     let vec[cmnt] comments = vec();
     while (!rdr.is_eof()) {
         while (true) {

src/comp/front/parser.rs

@@ -142,7 +142,7 @@ fn new_parser(session.session sess,
     auto srdr = IO.file_reader(path);
     auto filemap = codemap.new_filemap(path, pos);
     Vec.push[codemap.filemap](sess.get_codemap().files, filemap);
-    auto rdr = lexer.new_reader(sess, srdr, path, filemap);
+    auto rdr = lexer.new_reader(sess, srdr, filemap);
     // Make sure npos points at first actual token.
     lexer.consume_any_whitespace(rdr);
     auto npos = rdr.get_chpos();