From ba4a697d8cb577c03c84c0c91a25ecbeaa9c68e6 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Sat, 8 Sep 2018 18:34:41 +0300
Subject: move fuzz-invariants to the library

---
 crates/libsyntax2/src/lib.rs | 38 +++-----------------------------------
 1 file changed, 3 insertions(+), 35 deletions(-)

(limited to 'crates/libsyntax2/src/lib.rs')

diff --git a/crates/libsyntax2/src/lib.rs b/crates/libsyntax2/src/lib.rs
index 7a30f5d38..d955c01e7 100644
--- a/crates/libsyntax2/src/lib.rs
+++ b/crates/libsyntax2/src/lib.rs
@@ -66,7 +66,9 @@ impl File {
     fn new(green: GreenNode, errors: Vec<SyntaxError>) -> File {
         let root = SyntaxRoot::new(green, errors);
         let root = SyntaxNode::new_owned(root);
-        validate_block_structure(root.borrowed());
+        if cfg!(debug_assertions) {
+            utils::validate_block_structure(root.borrowed());
+        }
         File { root }
     }
     pub fn parse(text: &str) -> File {
@@ -112,40 +114,6 @@ impl File {
     }
 }
 
-#[cfg(not(debug_assertions))]
-fn validate_block_structure(_: SyntaxNodeRef) {}
-
-#[cfg(debug_assertions)]
-fn validate_block_structure(root: SyntaxNodeRef) {
-    let mut stack = Vec::new();
-    for node in algo::walk::preorder(root) {
-        match node.kind() {
-            SyntaxKind::L_CURLY => {
-                stack.push(node)
-            }
-            SyntaxKind::R_CURLY => {
-                if let Some(pair) = stack.pop() {
-                    assert_eq!(
-                        node.parent(),
-                        pair.parent(),
-                        "\nunpaired curleys:\n{}\n{}\n",
-                        root.text(),
-                        utils::dump_tree(root),
-                    );
-                    assert!(
-                        node.next_sibling().is_none() && pair.prev_sibling().is_none(),
-                        "\nfloating curlys at {:?}\nfile:\n{}\nerror:\n{}\n",
-                        node,
-                        root.text(),
-                        node.text(),
-                    );
-                }
-            }
-            _ => (),
-        }
-    }
-}
-
 #[derive(Debug, Clone)]
 pub struct AtomEdit {
     pub delete: TextRange,
-- 
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