From eb639eb2e4610ed2b440c8d95217f125005288fd Mon Sep 17 00:00:00 2001
From: Blaž Hrastnik
Date: Tue, 22 Sep 2020 18:23:48 +0900
Subject: More robust syntax detection/grammar loading.

---
 helix-term/src/editor.rs | 27 +++++++++++++--------------
 1 file changed, 13 insertions(+), 14 deletions(-)

(limited to 'helix-term')

diff --git a/helix-term/src/editor.rs b/helix-term/src/editor.rs
index 790c3f16..24e62306 100644
--- a/helix-term/src/editor.rs
+++ b/helix-term/src/editor.rs
@@ -1,10 +1,5 @@
 use crate::Args;
-use helix_core::{
-    state::coords_at_pos,
-    state::Mode,
-    syntax::{HighlightConfiguration, HighlightEvent, Highlighter},
-    State,
-};
+use helix_core::{state::coords_at_pos, state::Mode, syntax::HighlightEvent, State};
 use helix_view::{commands, keymap, View};
 
 use std::{
@@ -107,14 +102,18 @@ impl Editor {
 
                 // TODO: cache highlight results
                 // TODO: only recalculate when state.doc is actually modified
-                let highlights: Vec<_> = view
-                    .state
-                    .syntax
-                    .as_mut()
-                    .unwrap()
-                    .highlight_iter(source_code.as_bytes(), Some(range), None, |_| None)
-                    .unwrap()
-                    .collect(); // TODO: we collect here to avoid double borrow, fix later
+                let highlights: Vec<_> = match view.state.syntax.as_mut() {
+                    Some(syntax) => {
+                        syntax
+                            .highlight_iter(source_code.as_bytes(), Some(range), None, |_| None)
+                            .unwrap()
+                            .collect() // TODO: we collect here to avoid double borrow, fix later
+                    }
+                    None => vec![Ok(HighlightEvent::Source {
+                        start: range.start,
+                        end: range.end,
+                    })],
+                };
 
                 let mut spans = Vec::new();
 
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