From eb4636f219a05bc590f9eed844363f47a252d37f Mon Sep 17 00:00:00 2001
From: Stephen Chung <Stephen.Chung@intexact.com>
Date: Sat, 21 Nov 2020 15:15:14 +0800
Subject: [PATCH] Fix LexError::ImproperSymbol.

---
 src/serde_impl/de.rs | 2 +-
 tests/syntax.rs      | 4 +++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/serde_impl/de.rs b/src/serde_impl/de.rs
index b4e6786c..6d7fcfed 100644
--- a/src/serde_impl/de.rs
+++ b/src/serde_impl/de.rs
@@ -120,7 +120,7 @@ pub fn from_dynamic<'de, T: Deserialize<'de>>(
 impl Error for Box<EvalAltResult> {
     fn custom<T: fmt::Display>(err: T) -> Self {
         EvalAltResult::ErrorParsing(
-            ParseErrorType::BadInput(LexError::ImproperSymbol(err.to_string())),
+            ParseErrorType::BadInput(LexError::ImproperSymbol("".to_string(), err.to_string())),
             Position::NONE,
         )
         .into()
diff --git a/tests/syntax.rs b/tests/syntax.rs
index 819931e6..526ebf92 100644
--- a/tests/syntax.rs
+++ b/tests/syntax.rs
@@ -79,6 +79,7 @@ fn test_custom_syntax() -> Result<(), Box<EvalAltResult>> {
             .expect_err("should error")
             .0,
         ParseErrorType::BadInput(LexError::ImproperSymbol(
+            "!".to_string(),
             "Improper symbol for custom syntax at position #1: '!'".to_string()
         ))
     );
@@ -100,6 +101,7 @@ fn test_custom_syntax_raw() -> Result<(), Box<EvalAltResult>> {
                 s => Err(ParseError(
                     Box::new(ParseErrorType::BadInput(LexError::ImproperSymbol(
                         s.to_string(),
+                        "".to_string(),
                     ))),
                     Position::NONE,
                 )),
@@ -128,7 +130,7 @@ fn test_custom_syntax_raw() -> Result<(), Box<EvalAltResult>> {
     assert_eq!(engine.eval::<INT>("(hello kitty) + foo")?, 1041);
     assert_eq!(
         *engine.compile("hello hey").expect_err("should error").0,
-        ParseErrorType::BadInput(LexError::ImproperSymbol("hey".to_string()))
+        ParseErrorType::BadInput(LexError::ImproperSymbol("hey".to_string(), "".to_string()))
     );
 
     Ok(())