Remove the old syntax tree viewer

Author: Giga-Bowser

src/tools/rust-analyzer/crates/ide/src/lib.rs

@@ -48,7 +48,6 @@ mod ssr;
 mod static_index;
 mod status;
 mod syntax_highlighting;
-mod syntax_tree;
 mod test_explorer;
 mod typing;
 mod view_crate_graph;
@@ -330,16 +329,6 @@ impl Analysis {
         })
     }
 
-    /// Returns a syntax tree represented as `String`, for debug purposes.
-    // FIXME: use a better name here.
-    pub fn syntax_tree(
-        &self,
-        file_id: FileId,
-        text_range: Option<TextRange>,
-    ) -> Cancellable<String> {
-        self.with_db(|db| syntax_tree::syntax_tree(db, file_id, text_range))
-    }
-
     pub fn view_syntax_tree(&self, file_id: FileId) -> Cancellable<String> {
         self.with_db(|db| view_syntax_tree::view_syntax_tree(db, file_id))
     }

src/tools/rust-analyzer/crates/ide/src/syntax_tree.rs

@@ -136,18 +136,6 @@ pub(crate) fn handle_memory_usage(state: &mut GlobalState, _: ()) -> anyhow::Res
     Ok(out)
 }
 
-pub(crate) fn handle_syntax_tree(
-    snap: GlobalStateSnapshot,
-    params: lsp_ext::SyntaxTreeParams,
-) -> anyhow::Result<String> {
-    let _p = tracing::info_span!("handle_syntax_tree").entered();
-    let id = from_proto::file_id(&snap, &params.text_document.uri)?;
-    let line_index = snap.file_line_index(id)?;
-    let text_range = params.range.and_then(|r| from_proto::text_range(&line_index, r).ok());
-    let res = snap.analysis.syntax_tree(id, text_range)?;
-    Ok(res)
-}
-
 pub(crate) fn handle_view_syntax_tree(
     snap: GlobalStateSnapshot,
     params: lsp_ext::ViewSyntaxTreeParams,