gameServer2/src/protocol/lexer.rs
changeset 12132 1525923cd7e3
parent 12131 a4d22f197bd2
child 12133 81df2e1f9ae9
--- a/gameServer2/src/protocol/lexer.rs	Fri Jan 06 01:00:21 2017 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,38 +0,0 @@
-pub type Spanned<Tok, Loc, Error> = Result<(Loc, Tok, Loc), Error>;
-
-#[derive(Debug)]
-pub enum Tok {
-    Linefeed,
-}
-
-#[derive(Debug)]
-pub enum LexicalError {
-    // Not possible
-}
-
-use std::str::CharIndices;
-
-pub struct Lexer<'input> {
-    chars: CharIndices<'input>,
-}
-
-impl<'input> Lexer<'input> {
-    pub fn new(input: &'input str) -> Self {
-        Lexer { chars: input.char_indices() }
-    }
-}
-
-impl<'input> Iterator for Lexer<'input> {
-    type Item = Spanned<Tok, usize, LexicalError>;
-
-    fn next(&mut self) -> Option<Self::Item> {
-        loop {
-            match self.chars.next() {
-                Some((i, '\n')) => return Some(Ok((i, Tok::Linefeed, i+1))),
-
-                None => return None, // End of file
-                _ => continue, // Comment; skip this character
-            }
-        }
-    }
-}