Introduce SyntaxErrorKind and TextRange in SyntaxError

2 files changed, 18 insertions, 5 deletions

diff --git a/crates/ra_syntax/src/parser_impl/event.rs b/crates/ra_syntax/src/parser_impl/event.rs
index 79fa21389..ced09bcff 100644
--- a/crates/ra_syntax/src/parser_impl/event.rs
+++ b/crates/ra_syntax/src/parser_impl/event.rs
@@ -13,6 +13,10 @@ use crate::{
     SmolStr,
     SyntaxKind::{self, *},
     TextRange, TextUnit,
+    yellow::syntax_error::{
+        ParseError,
+        SyntaxErrorKind,
+    },
 };
 use std::mem;
 
@@ -75,7 +79,7 @@ pub(crate) enum Event {
     },
 
     Error {
-        msg: String,
+        msg: ParseError,
     },
 }
 
@@ -157,7 +161,10 @@ impl<'a, S: Sink> EventProcessor<'a, S> {
                         .sum::<TextUnit>();
                     self.leaf(kind, len, n_raw_tokens);
                 }
-                Event::Error { msg } => self.sink.error(msg, self.text_pos),
+                Event::Error { msg } => self.sink.error(
+                    SyntaxErrorKind::ParseError(msg),
+                    TextRange::offset_len(self.text_pos, 1.into()),
+                ),
             }
         }
         self.sink
diff --git a/crates/ra_syntax/src/parser_impl/mod.rs b/crates/ra_syntax/src/parser_impl/mod.rs
index 2b026d61e..ade25770b 100644
--- a/crates/ra_syntax/src/parser_impl/mod.rs
+++ b/crates/ra_syntax/src/parser_impl/mod.rs
@@ -10,7 +10,11 @@ use crate::{
         event::{Event, EventProcessor},
         input::{InputPosition, ParserInput},
     },
-    SmolStr, TextUnit,
+    SmolStr, TextRange,
+    yellow::syntax_error::{
+        ParseError,
+        SyntaxErrorKind,
+    },
 };
 
 use crate::SyntaxKind::{self, EOF, TOMBSTONE};
@@ -21,7 +25,7 @@ pub(crate) trait Sink {
     fn leaf(&mut self, kind: SyntaxKind, text: SmolStr);
     fn start_internal(&mut self, kind: SyntaxKind);
     fn finish_internal(&mut self);
-    fn error(&mut self, message: String, offset: TextUnit);
+    fn error(&mut self, kind: SyntaxErrorKind, offset: TextRange);
     fn finish(self) -> Self::Tree;
 }
 
@@ -144,7 +148,9 @@ impl<'t> ParserImpl<'t> {
     }
 
     pub(super) fn error(&mut self, msg: String) {
-        self.event(Event::Error { msg })
+        self.event(Event::Error {
+            msg: ParseError(msg),
+        })
     }
 
     pub(super) fn complete(&mut self, pos: u32, kind: SyntaxKind) {