From 60725def49834bb7dfd46c1a7b84d86f810e1d03 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Sun, 28 Jan 2018 14:30:59 +0300
Subject: Simplify

---
 src/parser/event_parser/grammar/mod.rs | 22 +---------------------
 src/parser/event_parser/parser.rs      | 11 ++++-------
 2 files changed, 5 insertions(+), 28 deletions(-)

(limited to 'src/parser')

diff --git a/src/parser/event_parser/grammar/mod.rs b/src/parser/event_parser/grammar/mod.rs
index b87f3ca8a..79a4c10d3 100644
--- a/src/parser/event_parser/grammar/mod.rs
+++ b/src/parser/event_parser/grammar/mod.rs
@@ -57,7 +57,7 @@ impl<'p> Parser<'p> {
         err.complete(self, ERROR);
     }
 
-    pub(crate) fn expect(&mut self, kind: SyntaxKind) -> bool {
+    fn expect(&mut self, kind: SyntaxKind) -> bool {
         if self.at(kind) {
             self.bump();
             true
@@ -77,40 +77,24 @@ impl<'p> Parser<'p> {
 
 trait Lookahead: Copy {
     fn is_ahead(self, p: &Parser) -> bool;
-    fn consume(p: &mut Parser);
 }
 
 impl Lookahead for SyntaxKind {
     fn is_ahead(self, p: &Parser) -> bool {
         p.current() == self
     }
-
-    fn consume(p: &mut Parser) {
-        p.bump();
-    }
 }
 
 impl Lookahead for [SyntaxKind; 2] {
     fn is_ahead(self, p: &Parser) -> bool {
         p.current() == self[0] && p.raw_lookahead(1) == self[1]
     }
-
-    fn consume(p: &mut Parser) {
-        p.bump();
-        p.bump();
-    }
 }
 
 impl Lookahead for [SyntaxKind; 3] {
     fn is_ahead(self, p: &Parser) -> bool {
         p.current() == self[0] && p.raw_lookahead(1) == self[1] && p.raw_lookahead(2) == self[2]
     }
-
-    fn consume(p: &mut Parser) {
-        p.bump();
-        p.bump();
-        p.bump();
-    }
 }
 
 #[derive(Clone, Copy)]
@@ -121,8 +105,4 @@ impl<'a> Lookahead for AnyOf<'a> {
         let curr = p.current();
         self.0.iter().any(|&k| k == curr)
     }
-
-    fn consume(p: &mut Parser) {
-        p.bump();
-    }
 }
diff --git a/src/parser/event_parser/parser.rs b/src/parser/event_parser/parser.rs
index d19663865..2507af6bf 100644
--- a/src/parser/event_parser/parser.rs
+++ b/src/parser/event_parser/parser.rs
@@ -136,13 +136,6 @@ impl<'t> Parser<'t> {
         self.events
     }
 
-    pub(crate) fn current(&self) -> SyntaxKind {
-        if self.pos == self.tokens.len() {
-            return EOF;
-        }
-        self.tokens[self.pos].kind
-    }
-
     pub(crate) fn start(&mut self) -> Marker {
         let m = Marker {
             pos: self.events.len() as u32,
@@ -175,6 +168,10 @@ impl<'t> Parser<'t> {
         self.tokens.get(self.pos + n).map(|t| t.kind).unwrap_or(EOF)
     }
 
+    pub(crate) fn current(&self) -> SyntaxKind {
+        self.raw_lookahead(0)
+    }
+
     fn event(&mut self, event: Event) {
         self.events.push(event)
     }
-- 
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