From b5021411a84822cb3f1e3aeffad9550dd15bdeb6 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Sun, 16 Sep 2018 12:54:24 +0300
Subject: rename all things

---
 crates/ra_cli/src/main.rs | 97 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 crates/ra_cli/src/main.rs

(limited to 'crates/ra_cli/src')

diff --git a/crates/ra_cli/src/main.rs b/crates/ra_cli/src/main.rs
new file mode 100644
index 000000000..96e5b718c
--- /dev/null
+++ b/crates/ra_cli/src/main.rs
@@ -0,0 +1,97 @@
+extern crate clap;
+#[macro_use]
+extern crate failure;
+extern crate ra_syntax;
+extern crate ra_editor;
+extern crate tools;
+
+use std::{
+    fs, io::Read, path::Path,
+    time::Instant
+};
+use clap::{App, Arg, SubCommand};
+use tools::collect_tests;
+use ra_syntax::File;
+use ra_editor::{syntax_tree, file_structure};
+
+type Result<T> = ::std::result::Result<T, failure::Error>;
+
+fn main() -> Result<()> {
+    let matches = App::new("ra-cli")
+        .setting(clap::AppSettings::SubcommandRequiredElseHelp)
+        .subcommand(
+            SubCommand::with_name("render-test")
+                .arg(
+                    Arg::with_name("line")
+                        .long("--line")
+                        .required(true)
+                        .takes_value(true),
+                )
+                .arg(
+                    Arg::with_name("file")
+                        .long("--file")
+                        .required(true)
+                        .takes_value(true),
+                ),
+        )
+        .subcommand(
+            SubCommand::with_name("parse")
+                .arg(Arg::with_name("no-dump").long("--no-dump"))
+        )
+        .subcommand(SubCommand::with_name("symbols"))
+        .get_matches();
+    match matches.subcommand() {
+        ("parse", Some(matches)) => {
+            let start = Instant::now();
+            let file = file()?;
+            let elapsed = start.elapsed();
+            if !matches.is_present("no-dump") {
+                println!("{}", syntax_tree(&file));
+            }
+            eprintln!("parsing: {:?}", elapsed);
+            ::std::mem::forget(file);
+        }
+        ("symbols", _) => {
+            let file = file()?;
+            for s in file_structure(&file) {
+                println!("{:?}", s);
+            }
+        }
+        ("render-test", Some(matches)) => {
+            let file = matches.value_of("file").unwrap();
+            let file = Path::new(file);
+            let line: usize = matches.value_of("line").unwrap().parse()?;
+            let line = line - 1;
+            let (test, tree) = render_test(file, line)?;
+            println!("{}\n{}", test, tree);
+        }
+        _ => unreachable!(),
+    }
+    Ok(())
+}
+
+fn file() -> Result<File> {
+    let text = read_stdin()?;
+    Ok(File::parse(&text))
+}
+
+fn read_stdin() -> Result<String> {
+    let mut buff = String::new();
+    ::std::io::stdin().read_to_string(&mut buff)?;
+    Ok(buff)
+}
+
+fn render_test(file: &Path, line: usize) -> Result<(String, String)> {
+    let text = fs::read_to_string(file)?;
+    let tests = collect_tests(&text);
+    let test = tests.into_iter().find(|(start_line, t)| {
+        *start_line <= line && line <= *start_line + t.text.lines().count()
+    });
+    let test = match test {
+        None => bail!("No test found at line {} at {}", line, file.display()),
+        Some((_start_line, test)) => test,
+    };
+    let file = File::parse(&test.text);
+    let tree = syntax_tree(&file);
+    Ok((test.text, tree))
+}
-- 
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