From 4a900fd6815d3ea722b5e664aee9eac8bb9cb14f Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Thu, 9 Aug 2018 21:27:44 +0300
Subject: Split diagnostics

---
 libeditor/src/lib.rs | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

(limited to 'libeditor')

diff --git a/libeditor/src/lib.rs b/libeditor/src/lib.rs
index ebc063ed2..5ebb49139 100644
--- a/libeditor/src/lib.rs
+++ b/libeditor/src/lib.rs
@@ -19,6 +19,12 @@ pub struct HighlightedRange {
     pub tag: &'static str,
 }
 
+#[derive(Debug)]
+pub struct Diagnostic {
+    pub range: TextRange,
+    pub msg: String,
+}
+
 #[derive(Debug)]
 pub struct Symbol {
     // pub parent: ???,
@@ -69,6 +75,25 @@ impl File {
         res
     }
 
+    pub fn diagnostics(&self) -> Vec<Diagnostic> {
+        let syntax = self.inner.syntax();
+        let mut res = Vec::new();
+
+        for node in walk::preorder(syntax.as_ref()) {
+            if node.kind() == ERROR {
+                res.push(Diagnostic {
+                    range: node.range(),
+                    msg: "Syntax Error".to_string(),
+                });
+            }
+        }
+        res.extend(self.inner.errors().into_iter().map(|err| Diagnostic {
+            range: TextRange::offset_len(err.offset, 1.into()),
+            msg: err.msg,
+        }));
+        res
+    }
+
     pub fn syntax_tree(&self) -> String {
         ::libsyntax2::utils::dump_tree(&self.inner.syntax())
     }
-- 
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