⬆️ rowan

It now stores text inline with tokens

Cargo.lock

@@ -1375,12 +1375,13 @@ checksum = "b5eb417147ba9860a96cfe72a0b93bf88fee1744b5636ec99ab20c1aa9376581"
 
 [[package]]
 name = "rowan"
-version = "0.11.0"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bea4527c692099becd37ec777cfd6949d0534348528d2fc84ee420d2d5fac83d"
 dependencies = [
  "hashbrown",
  "memoffset",
  "rustc-hash",
- "smol_str",
  "text-size",
 ]
 

crates/mbe/src/syntax_bridge.rs

@@ -682,10 +682,8 @@ impl<'a> TreeSink for TtTreeSink<'a> {
             self.text_pos += TextSize::of(text);
         }
 
-        let text = SmolStr::new(self.buf.as_str());
+        self.inner.token(kind, self.buf.as_str());
         self.buf.clear();
-        self.inner.token(kind, text);
-
         // Add whitespace between adjoint puncts
         let next = last.bump();
         if let (

crates/syntax/Cargo.toml

@@ -12,15 +12,12 @@ doctest = false
 
 [dependencies]
 itertools = "0.10.0"
-rowan = { path="../../../rowan" }
+rowan = "0.12"
 rustc_lexer = { version = "697.0.0", package = "rustc-ap-rustc_lexer" }
 rustc-hash = "1.1.0"
 arrayvec = "0.5.1"
 once_cell = "1.3.1"
 indexmap = "1.4.0"
-# This crate transitively depends on `smol_str` via `rowan`.
-# ideally, `serde` should be enabled by `rust-analyzer`, but we enable it here
-# to reduce number of compilations
 smol_str = { version = "0.1.15", features = ["serde"] }
 serde = { version = "1.0.106", features = ["derive"] }
 

crates/syntax/src/lib.rs

@@ -56,9 +56,9 @@ pub use crate::{
 };
 pub use parser::{SyntaxKind, T};
 pub use rowan::{
-    Direction, GreenNode, NodeOrToken, SmolStr, SyntaxText, TextRange, TextSize, TokenAtOffset,
-    WalkEvent,
+    Direction, GreenNode, NodeOrToken, SyntaxText, TextRange, TextSize, TokenAtOffset, WalkEvent,
 };
+pub use smol_str::SmolStr;
 
 /// `Parse` is the result of the parsing: a syntax tree and a collection of
 /// errors.

crates/syntax/src/parsing/reparsing.rs

@@ -73,8 +73,7 @@ fn reparse_token<'node>(
                 new_text.pop();
             }
 
-            let new_token =
-                GreenToken::new(rowan::SyntaxKind(prev_token_kind.into()), new_text.into());
+            let new_token = GreenToken::new(rowan::SyntaxKind(prev_token_kind.into()), &new_text);
             Some((
                 prev_token.replace_with(new_token),
                 new_err.into_iter().collect(),

crates/syntax/src/parsing/text_tree_sink.rs

@@ -8,7 +8,7 @@ use crate::{
     ast,
     parsing::Token,
     syntax_node::GreenNode,
-    SmolStr, SyntaxError,
+    SyntaxError,
     SyntaxKind::{self, *},
     SyntaxTreeBuilder, TextRange, TextSize,
 };
@@ -135,7 +135,7 @@ impl<'a> TextTreeSink<'a> {
 
     fn do_token(&mut self, kind: SyntaxKind, len: TextSize, n_tokens: usize) {
         let range = TextRange::at(self.text_pos, len);
-        let text: SmolStr = self.text[range].into();
+        let text = &self.text[range];
         self.text_pos += len;
         self.token_pos += n_tokens;
         self.inner.token(kind, text);

crates/syntax/src/syntax_node.rs

@@ -8,7 +8,7 @@
 
 use rowan::{GreenNodeBuilder, Language};
 
-use crate::{Parse, SmolStr, SyntaxError, SyntaxKind, TextSize};
+use crate::{Parse, SyntaxError, SyntaxKind, TextSize};
 
 pub(crate) use rowan::{GreenNode, GreenToken, NodeOrToken};
 
@@ -53,7 +53,7 @@ impl SyntaxTreeBuilder {
         Parse::new(green, errors)
     }
 
-    pub fn token(&mut self, kind: SyntaxKind, text: SmolStr) {
+    pub fn token(&mut self, kind: SyntaxKind, text: &str) {
         let kind = RustLanguage::kind_to_raw(kind);
         self.inner.token(kind, text)
     }