Command-line utilty to print the parse tree

1 files changed, 2 insertions, 32 deletions

diff --git a/tests/parser.rs b/tests/parser.rs
index 02cef938d..370b02c74 100644
--- a/tests/parser.rs
+++ b/tests/parser.rs
@@ -2,9 +2,8 @@ extern crate file;
 extern crate libsyntax2;
 extern crate testutils;
 
-use std::fmt::Write;
-
-use libsyntax2::{tokenize, parse, Node, File};
+use libsyntax2::{tokenize, parse};
+use libsyntax2::utils::dump_tree;
 use testutils::dir_tests;
 
 #[test]
@@ -18,32 +17,3 @@ fn parser_tests() {
         }
     )
 }
-
-fn dump_tree(file: &File) -> String {
-    let mut result = String::new();
-    go(file.root(), &mut result, 0);
-    return result;
-
-    fn go(node: Node, buff: &mut String, level: usize) {
-        buff.push_str(&String::from("  ").repeat(level));
-        write!(buff, "{:?}\n", node).unwrap();
-        let my_errors = node.errors().filter(|e| e.after_child().is_none());
-        let parent_errors = node.parent().into_iter()
-            .flat_map(|n| n.errors())
-            .filter(|e| e.after_child() == Some(node));
-
-        for err in my_errors {
-            buff.push_str(&String::from("  ").repeat(level));
-            write!(buff, "err: `{}`\n", err.message()).unwrap();
-        }
-
-        for child in node.children() {
-            go(child, buff, level + 1)
-        }
-
-        for err in parent_errors {
-            buff.push_str(&String::from("  ").repeat(level));
-            write!(buff, "err: `{}`\n", err.message()).unwrap();
-        }
-    }
-}