integrate CodegenError to compiler-core::Error

core/src/error.rs

@@ -1,3 +1,5 @@
+use std::fmt::Display;
+
 use crate::Location;
 
 #[derive(Debug, PartialEq, Eq)]
@@ -15,6 +17,24 @@ impl<T> std::ops::Deref for Error<T> {
     }
 }
 
+impl<T> std::error::Error for Error<T>
+where
+    T: std::fmt::Display + std::fmt::Debug,
+{
+    fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
+        None
+    }
+}
+
+impl<T> Display for Error<T>
+where
+    T: std::fmt::Display,
+{
+    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
+        self.location.fmt_with(f, &self.error)
+    }
+}
+
 impl<T> Error<T> {
     pub fn error(self) -> T {
         self.error

parser/src/error.rs

@@ -193,7 +193,7 @@ impl ParseError {
 
 impl fmt::Display for ParseError {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        self.location.fmt_with(f, &self.error)
+        self.0.fmt(f)
     }
 }