1 files changed, 7 insertions, 37 deletions

diff --git a/crates/ra_syntax/src/parsing.rs b/crates/ra_syntax/src/parsing.rs
index 0a11600e1..cf573801c 100644
--- a/crates/ra_syntax/src/parsing.rs
+++ b/crates/ra_syntax/src/parsing.rs
@@ -1,17 +1,18 @@
-mod builder;
+//! Lexing, bridging to ra_parser (which does the actual parsing) and
+//! incremental reparsing.
+
 mod lexer;
 mod input;
+mod builder;
 mod reparsing;
 
-use ra_parser::{parse, ParseError};
-
 use crate::{
-    SyntaxKind, SyntaxError,
+    SyntaxError,
+    syntax_node::GreenNode,
     parsing::{
         builder::TreeBuilder,
         input::ParserInput,
     },
-    syntax_node::GreenNode,
 };
 
 pub use self::lexer::{tokenize, Token};
@@ -22,37 +23,6 @@ pub(crate) fn parse_text(text: &str) -> (GreenNode, Vec<SyntaxError>) {
     let tokens = tokenize(&text);
     let token_source = ParserInput::new(text, &tokens);
     let mut tree_sink = TreeBuilder::new(text, &tokens);
-    parse(&token_source, &mut tree_sink);
+    ra_parser::parse(&token_source, &mut tree_sink);
     tree_sink.finish()
 }
-
-/// `TreeSink` abstracts details of a particular syntax tree implementation.
-trait TreeSink {
-    type Tree;
-
-    /// Adds new leaf to the current branch.
-    fn leaf(&mut self, kind: SyntaxKind, n_tokens: u8);
-
-    /// Start new branch and make it current.
-    fn start_branch(&mut self, kind: SyntaxKind, root: bool);
-
-    /// Finish current branch and restore previous
-    /// branch as current.
-    fn finish_branch(&mut self, root: bool);
-
-    fn error(&mut self, error: ParseError);
-
-    /// Complete tree building. Make sure that
-    /// `start_branch` and `finish_branch` calls
-    /// are paired!
-    fn finish(self) -> Self::Tree;
-}
-
-/// `TokenSource` abstracts the source of the tokens parser operates one.
-///
-/// Hopefully this will allow us to treat text and token trees in the same way!
-trait TokenSource {
-    fn token_kind(&self, pos: usize) -> SyntaxKind;
-    fn is_token_joint_to_next(&self, pos: usize) -> bool;
-    fn is_keyword(&self, pos: usize, kw: &str) -> bool;
-}