Some docs

crates/ra_lsp_server/src/bin/main.rs

@@ -1,4 +1,6 @@
-//! `ra_lsp_server` binary
+//! Driver for rust-analyzer.
+//!
+//! Based on cli flags, either spawns an LSP server, or runs a batch analysis
 mod args;
 
 use lsp_server::Connection;

crates/ra_lsp_server/src/cli.rs

@@ -1,4 +1,4 @@
-//! FIXME: write short doc here
+//! Various batch processing tasks, intended primarily for debugging.
 
 mod load_cargo;
 mod analysis_stats;

crates/ra_lsp_server/src/cli/analysis_bench.rs

@@ -1,4 +1,4 @@
-//! FIXME: write short doc here
+//! Benchmark operations like highlighting or goto definition.
 
 use std::{
     path::{Path, PathBuf},

crates/ra_lsp_server/src/cli/analysis_stats.rs

@@ -1,4 +1,5 @@
-//! FIXME: write short doc here
+//! Fully type-check project and print various stats, like the number of type
+//! errors.
 
 use std::{collections::HashSet, fmt::Write, path::Path, time::Instant};
 

crates/ra_lsp_server/src/cli/load_cargo.rs

@@ -1,18 +1,18 @@
-//! FIXME: write short doc here
+//! Loads a Cargo project into a static instance of analysis, without support
+//! for incorporating changes.
 
-use std::{collections::HashSet, path::Path};
+use std::path::Path;
 
+use anyhow::Result;
 use crossbeam_channel::{unbounded, Receiver};
 use ra_db::{CrateGraph, FileId, SourceRootId};
 use ra_ide::{AnalysisChange, AnalysisHost, FeatureFlags};
 use ra_project_model::{get_rustc_cfg_options, PackageRoot, ProjectWorkspace};
 use ra_vfs::{RootEntry, Vfs, VfsChange, VfsTask, Watch};
-use rustc_hash::FxHashMap;
+use rustc_hash::{FxHashMap, FxHashSet};
 
 use crate::vfs_glob::RustPackageFilterBuilder;
 
-use anyhow::Result;
-
 fn vfs_file_to_id(f: ra_vfs::VfsFile) -> FileId {
     FileId(f.0)
 }
@@ -20,7 +20,9 @@ fn vfs_root_to_id(r: ra_vfs::VfsRoot) -> SourceRootId {
     SourceRootId(r.0)
 }
 
-pub fn load_cargo(root: &Path) -> Result<(AnalysisHost, FxHashMap<SourceRootId, PackageRoot>)> {
+pub(crate) fn load_cargo(
+    root: &Path,
+) -> Result<(AnalysisHost, FxHashMap<SourceRootId, PackageRoot>)> {
     let root = std::env::current_dir()?.join(root);
     let ws = ProjectWorkspace::discover(root.as_ref(), &Default::default())?;
     let project_roots = ws.to_roots();
@@ -74,7 +76,7 @@ pub fn load_cargo(root: &Path) -> Result<(AnalysisHost, FxHashMap<SourceRootId,
     Ok((host, source_roots))
 }
 
-pub fn load(
+pub(crate) fn load(
     source_roots: &FxHashMap<SourceRootId, PackageRoot>,
     crate_graph: CrateGraph,
     vfs: &mut Vfs,
@@ -86,7 +88,7 @@ pub fn load(
     analysis_change.set_crate_graph(crate_graph);
 
     // wait until Vfs has loaded all roots
-    let mut roots_loaded = HashSet::new();
+    let mut roots_loaded = FxHashSet::default();
     for task in receiver {
         vfs.handle_task(task);
         let mut done = false;

crates/ra_lsp_server/src/lib.rs

@@ -1,10 +1,13 @@
 //! Implementation of the LSP for rust-analyzer.
 //!
-//! This crate takes Rust-specific analysis results from ra_ide and
-//! translates into LSP types.
+//! This crate takes Rust-specific analysis results from ra_ide and translates
+//! into LSP types.
 //!
 //! It also is the root of all state. `world` module defines the bulk of the
 //! state, and `main_loop` module defines the rules for modifying it.
+//!
+//! The `cli` submodule implements some batch-processing analysis, primarily as
+//! a debugging aid.
 #![recursion_limit = "512"]
 
 pub mod cli;

crates/ra_lsp_server/src/vfs_glob.rs

@@ -1,4 +1,4 @@
-//! `ra_vfs_glob` crate implements exclusion rules for vfs.
+//! Exclusion rules for vfs.
 //!
 //! By default, we include only `.rs` files, and skip some know offenders like
 //! `/target` or `/node_modules` altogether.