7 files changed, 117 insertions, 125 deletions

diff --git a/crates/ra_batch/Cargo.toml b/crates/ra_batch/Cargo.toml
deleted file mode 100644
index 3bf351fe3..000000000
--- a/crates/ra_batch/Cargo.toml
+++ /dev/null
@@ -1,20 +0,0 @@
-[package]
-edition = "2018"
-name = "ra_batch"
-version = "0.1.0"
-authors = ["rust-analyzer developers"]
-
-[lib]
-doctest = false
-
-[dependencies]
-log = "0.4.5"
-rustc-hash = "1.0"
-crossbeam-channel = "0.4.0"
-
-ra_vfs = "0.5.0"
-ra_vfs_glob = { path = "../ra_vfs_glob" }
-ra_db = { path = "../ra_db" }
-ra_ide = { path = "../ra_ide" }
-ra_hir = { path = "../ra_hir" }
-ra_project_model = { path = "../ra_project_model" }
diff --git a/crates/ra_cli/Cargo.toml b/crates/ra_cli/Cargo.toml
index 53d4876f6..03494a809 100644
--- a/crates/ra_cli/Cargo.toml
+++ b/crates/ra_cli/Cargo.toml
@@ -6,18 +6,23 @@ authors = ["rust-analyzer developers"]
 publish = false
 
 [dependencies]
+crossbeam-channel = "0.4.0"
+env_logger = { version = "0.7.1", default-features = false }
 itertools = "0.8.0"
+log = "0.4.5"
 pico-args = "0.3.0"
-env_logger = { version = "0.7.1", default-features = false }
 rand = { version = "0.7.0", features = ["small_rng"] }
+rustc-hash = "1.0"
 
-ra_syntax = { path = "../ra_syntax" }
-ra_ide = { path = "../ra_ide" }
-ra_batch = { path = "../ra_batch" }
 hir = { path = "../ra_hir", package = "ra_hir" }
-hir_ty = { path = "../ra_hir_ty", package = "ra_hir_ty" }
 hir_def = { path = "../ra_hir_def", package = "ra_hir_def" }
+hir_ty = { path = "../ra_hir_ty", package = "ra_hir_ty" }
 ra_db = { path = "../ra_db" }
+ra_ide = { path = "../ra_ide" }
+ra_project_model = { path = "../ra_project_model" }
+ra_syntax = { path = "../ra_syntax" }
+ra_vfs = "0.5.0"
+ra_vfs_glob = { path = "../ra_vfs_glob" }
 
 [dependencies.ra_prof]
 path = "../ra_prof"
diff --git a/crates/ra_cli/src/analysis_bench.rs b/crates/ra_cli/src/analysis_bench.rs
index 4835a68ce..3f10ed400 100644
--- a/crates/ra_cli/src/analysis_bench.rs
+++ b/crates/ra_cli/src/analysis_bench.rs
@@ -13,7 +13,7 @@ use ra_db::{
 };
 use ra_ide::{Analysis, AnalysisChange, AnalysisHost, FilePosition, LineCol};
 
-use crate::Result;
+use crate::{load_cargo::load_cargo, Result};
 
 pub(crate) struct Position {
     path: PathBuf,
@@ -46,7 +46,7 @@ pub(crate) fn run(verbose: bool, path: &Path, op: Op) -> Result<()> {
 
     let start = Instant::now();
     eprint!("loading: ");
-    let (mut host, roots) = ra_batch::load_cargo(path)?;
+    let (mut host, roots) = load_cargo(path)?;
     let db = host.raw_database();
     eprintln!("{:?}\n", start.elapsed());
 
diff --git a/crates/ra_cli/src/analysis_stats.rs b/crates/ra_cli/src/analysis_stats.rs
index 6d2dd34c6..d40f04391 100644
--- a/crates/ra_cli/src/analysis_stats.rs
+++ b/crates/ra_cli/src/analysis_stats.rs
@@ -2,19 +2,18 @@
 
 use std::{collections::HashSet, fmt::Write, path::Path, time::Instant};
 
-use itertools::Itertools;
-use rand::{seq::SliceRandom, thread_rng};
-
 use hir::{
     db::{DefDatabase, HirDatabase},
     AssocItem, Crate, HasSource, HirDisplay, ModuleDef,
 };
 use hir_def::FunctionId;
 use hir_ty::{Ty, TypeWalk};
+use itertools::Itertools;
 use ra_db::SourceDatabaseExt;
 use ra_syntax::AstNode;
+use rand::{seq::SliceRandom, thread_rng};
 
-use crate::{progress_report::ProgressReport, Result, Verbosity};
+use crate::{load_cargo::load_cargo, progress_report::ProgressReport, Result, Verbosity};
 
 pub fn run(
     verbosity: Verbosity,
@@ -25,7 +24,7 @@ pub fn run(
     randomize: bool,
 ) -> Result<()> {
     let db_load_time = Instant::now();
-    let (mut host, roots) = ra_batch::load_cargo(path)?;
+    let (mut host, roots) = load_cargo(path)?;
     let db = host.raw_database();
     println!("Database loaded, {} roots, {:?}", roots.len(), db_load_time.elapsed());
     let analysis_time = Instant::now();
diff --git a/crates/ra_cli/src/help.rs b/crates/ra_cli/src/help.rs
deleted file mode 100644
index d3c4c7d0b..000000000
--- a/crates/ra_cli/src/help.rs
+++ /dev/null
@@ -1,75 +0,0 @@
-//! FIXME: write short doc here
-
-pub const GLOBAL_HELP: &str = "ra-cli
-
-USAGE:
-    ra_cli <SUBCOMMAND>
-
-FLAGS:
-    -h, --help        Prints help information
-
-SUBCOMMANDS:
-    analysis-bench
-    analysis-stats
-    highlight
-    parse
-    symbols";
-
-pub const ANALYSIS_BENCH_HELP: &str = "ra_cli-analysis-bench
-
-USAGE:
-    ra_cli analysis-bench [FLAGS] [OPTIONS] [PATH]
-
-FLAGS:
-    -h, --help        Prints help information
-    -v, --verbose
-
-OPTIONS:
-    --complete <PATH:LINE:COLUMN>    Compute completions at this location
-    --highlight <PATH>               Hightlight this file
-
-ARGS:
-    <PATH>    Project to analyse";
-
-pub const ANALYSIS_STATS_HELP: &str = "ra-cli-analysis-stats
-
-USAGE:
-    ra_cli analysis-stats [FLAGS] [OPTIONS] [PATH]
-
-FLAGS:
-    -h, --help            Prints help information
-        --memory-usage
-    -v, --verbose
-    -q, --quiet
-
-OPTIONS:
-    -o <ONLY>
-
-ARGS:
-    <PATH>";
-
-pub const HIGHLIGHT_HELP: &str = "ra-cli-highlight
-
-USAGE:
-    ra_cli highlight [FLAGS]
-
-FLAGS:
-    -h, --help       Prints help information
-    -r, --rainbow";
-
-pub const SYMBOLS_HELP: &str = "ra-cli-symbols
-
-USAGE:
-    ra_cli highlight [FLAGS]
-
-FLAGS:
-    -h, --help    Prints help inforamtion";
-
-pub const PARSE_HELP: &str = "ra-cli-parse
-
-USAGE:
-    ra_cli parse [FLAGS]
-
-FLAGS:
-    -h, --help       Prints help inforamtion
-        --no-dump";
diff --git a/crates/ra_batch/src/lib.rs b/crates/ra_cli/src/load_cargo.rs
index 7744ba85a..2d6433f18 100644
--- a/crates/ra_batch/src/lib.rs
+++ b/crates/ra_cli/src/load_cargo.rs
@@ -139,7 +139,8 @@ pub fn load(
 #[cfg(test)]
 mod tests {
     use super::*;
-    use ra_hir::Crate;
+
+    use hir::Crate;
 
     #[test]
     fn test_loading_rust_analyzer() {
diff --git a/crates/ra_cli/src/main.rs b/crates/ra_cli/src/main.rs
index 750cbab86..4a428faff 100644
--- a/crates/ra_cli/src/main.rs
+++ b/crates/ra_cli/src/main.rs
@@ -1,8 +1,8 @@
 //! FIXME: write short doc here
 
+mod load_cargo;
 mod analysis_stats;
 mod analysis_bench;
-mod help;
 mod progress_report;
 
 use std::{error::Error, fmt::Write, io::Read};
@@ -40,21 +40,26 @@ impl Verbosity {
 fn main() -> Result<()> {
     env_logger::try_init()?;
 
-    let subcommand = match std::env::args_os().nth(1) {
-        None => {
-            eprintln!("{}", help::GLOBAL_HELP);
-            return Ok(());
-        }
-        Some(s) => s,
-    };
-    let mut matches = Arguments::from_vec(std::env::args_os().skip(2).collect());
+    let mut matches = Arguments::from_env();
+    let subcommand = matches.subcommand()?.unwrap_or_default();
 
-    match &*subcommand.to_string_lossy() {
+    match subcommand.as_str() {
         "parse" => {
             if matches.contains(["-h", "--help"]) {
-                eprintln!("{}", help::PARSE_HELP);
+                eprintln!(
+                    "\
+ra-cli-parse
+
+USAGE:
+    ra_cli parse [FLAGS]
+
+FLAGS:
+    -h, --help       Prints help inforamtion
+        --no-dump"
+                );
                 return Ok(());
             }
+
             let no_dump = matches.contains("--no-dump");
             matches.finish().or_else(handle_extra_flags)?;
 
@@ -67,10 +72,21 @@ fn main() -> Result<()> {
         }
         "symbols" => {
             if matches.contains(["-h", "--help"]) {
-                eprintln!("{}", help::SYMBOLS_HELP);
+                eprintln!(
+                    "\
+ra-cli-symbols
+
+USAGE:
+    ra_cli highlight [FLAGS]
+
+FLAGS:
+    -h, --help    Prints help inforamtion"
+                );
                 return Ok(());
             }
+
             matches.finish().or_else(handle_extra_flags)?;
+
             let file = file()?;
             for s in file_structure(&file) {
                 println!("{:?}", s);
@@ -78,20 +94,51 @@ fn main() -> Result<()> {
         }
         "highlight" => {
             if matches.contains(["-h", "--help"]) {
-                eprintln!("{}", help::HIGHLIGHT_HELP);
+                eprintln!(
+                    "\
+ra-cli-highlight
+
+USAGE:
+    ra_cli highlight [FLAGS]
+
+FLAGS:
+    -h, --help       Prints help information
+    -r, --rainbow"
+                );
                 return Ok(());
             }
+
             let rainbow_opt = matches.contains(["-r", "--rainbow"]);
             matches.finish().or_else(handle_extra_flags)?;
+
             let (analysis, file_id) = Analysis::from_single_file(read_stdin()?);
             let html = analysis.highlight_as_html(file_id, rainbow_opt).unwrap();
             println!("{}", html);
         }
         "analysis-stats" => {
             if matches.contains(["-h", "--help"]) {
-                eprintln!("{}", help::ANALYSIS_STATS_HELP);
+                eprintln!(
+                    "\
+ra-cli-analysis-stats
+
+USAGE:
+    ra_cli analysis-stats [FLAGS] [OPTIONS] [PATH]
+
+FLAGS:
+    -h, --help            Prints help information
+        --memory-usage
+    -v, --verbose
+    -q, --quiet
+
+OPTIONS:
+    -o <ONLY>
+
+ARGS:
+    <PATH>"
+                );
                 return Ok(());
             }
+
             let verbosity = match (
                 matches.contains(["-vv", "--spammy"]),
                 matches.contains(["-v", "--verbose"]),
@@ -111,11 +158,11 @@ fn main() -> Result<()> {
             let path = {
                 let mut trailing = matches.free()?;
                 if trailing.len() != 1 {
-                    eprintln!("{}", help::ANALYSIS_STATS_HELP);
                     Err("Invalid flags")?;
                 }
                 trailing.pop().unwrap()
             };
+
             analysis_stats::run(
                 verbosity,
                 memory_usage,
@@ -127,9 +174,27 @@ fn main() -> Result<()> {
         }
         "analysis-bench" => {
             if matches.contains(["-h", "--help"]) {
-                eprintln!("{}", help::ANALYSIS_BENCH_HELP);
+                eprintln!(
+                    "\
+ra_cli-analysis-bench
+
+USAGE:
+    ra_cli analysis-bench [FLAGS] [OPTIONS] [PATH]
+
+FLAGS:
+    -h, --help        Prints help information
+    -v, --verbose
+
+OPTIONS:
+    --complete <PATH:LINE:COLUMN>    Compute completions at this location
+    --highlight <PATH>               Hightlight this file
+
+ARGS:
+    <PATH>    Project to analyse"
+                );
                 return Ok(());
             }
+
             let verbose = matches.contains(["-v", "--verbose"]);
             let path: String = matches.opt_value_from_str("--path")?.unwrap_or_default();
             let highlight_path: Option<String> = matches.opt_value_from_str("--highlight")?;
@@ -144,9 +209,26 @@ fn main() -> Result<()> {
                 ),
             };
             matches.finish().or_else(handle_extra_flags)?;
+
             analysis_bench::run(verbose, path.as_ref(), op)?;
         }
-        _ => eprintln!("{}", help::GLOBAL_HELP),
+        _ => eprintln!(
+            "\
+ra-cli
+
+USAGE:
+    ra_cli <SUBCOMMAND>
+
+FLAGS:
+    -h, --help        Prints help information
+
+SUBCOMMANDS:
+    analysis-bench
+    analysis-stats
+    highlight
+    parse
+    symbols"
+        ),
     }
     Ok(())
 }