simplify

crates/cli/src/main.rs

@@ -10,7 +10,7 @@ use std::{
 };
 use clap::{App, Arg, SubCommand};
 use tools::collect_tests;
-use libeditor::{ast, syntax_tree, symbols};
+use libeditor::{File, syntax_tree, symbols};
 
 type Result<T> = ::std::result::Result<T, failure::Error>;
 
@@ -68,9 +68,9 @@ fn main() -> Result<()> {
     Ok(())
 }
 
-fn file() -> Result<ast::File> {
+fn file() -> Result<File> {
     let text = read_stdin()?;
-    Ok(ast::File::parse(&text))
+    Ok(libeditor::parse(&text))
 }
 
 fn read_stdin() -> Result<String> {
@@ -89,7 +89,7 @@ fn render_test(file: &Path, line: usize) -> Result<(String, String)> {
         None => bail!("No test found at line {} at {}", line, file.display()),
         Some((_start_line, test)) => test,
     };
-    let file = ast::File::parse(&test.text);
+    let file = libeditor::parse(&test.text);
     let tree = syntax_tree(&file);
     Ok((test.text, tree))
 }

crates/libeditor/src/lib.rs

@@ -5,11 +5,12 @@ mod extend_selection;
 mod line_index;
 
 use libsyntax2::{
+    ast,
     SyntaxNodeRef, AstNode,
     algo::walk,
     SyntaxKind::*,
 };
-pub use libsyntax2::{TextRange, TextUnit, ast};
+pub use libsyntax2::{File, TextRange, TextUnit};
 pub use self::line_index::{LineIndex, LineCol};
 
 #[derive(Debug)]
@@ -43,6 +44,10 @@ pub enum RunnableKind {
     Bin,
 }
 
+pub fn parse(text: &str) -> ast::File {
+    ast::File::parse(text)
+}
+
 pub fn highlight(file: &ast::File) -> Vec<HighlightedRange> {
     let syntax = file.syntax();
     let mut res = Vec::new();

crates/libeditor/tests/test.rs

@@ -3,7 +3,7 @@ extern crate itertools;
 
 use std::fmt;
 use itertools::Itertools;
-use libeditor::{ast, highlight, runnables, extend_selection, TextRange};
+use libeditor::{File, highlight, runnables, extend_selection, TextRange};
 
 #[test]
 fn test_extend_selection() {
@@ -58,8 +58,8 @@ fn test_foo() {}
     )
 }
 
-fn file(text: &str) -> ast::File {
+fn file(text: &str) -> File {
-    ast::File::parse(text)
+    File::parse(text)
 }
 
 fn dbg_eq(actual: &impl fmt::Debug, expected: &str) {