create serde compatible parse error

packages/rsx_interpreter/src/error.rs

@@ -1,9 +1,11 @@
 use serde::{Deserialize, Serialize};
 
+use crate::CodeLocation;
+
 /// An error produced when interperting the rsx
-#[derive(Debug)]
+#[derive(Debug, Serialize, Deserialize)]
 pub enum Error {
-    ParseError(syn::Error),
+    ParseError(ParseError),
     RecompileRequiredError(RecompileReason),
 }
 
@@ -14,3 +16,24 @@ pub enum RecompileReason {
     CapturedComponent(String),
     CapturedListener(String),
 }
+
+#[derive(Debug, Serialize, Deserialize)]
+pub struct ParseError {
+    pub message: String,
+    pub location: CodeLocation,
+}
+
+impl ParseError {
+    pub fn new(error: syn::Error, mut location: CodeLocation) -> Self {
+        let message = error.to_string();
+        let syn_call_site = error.span().start();
+        location.line += syn_call_site.line as u32;
+        if syn_call_site.line == 0{
+            location.column += syn_call_site.column as u32;
+        }
+        else{
+            location.column = syn_call_site.column as u32;
+        }
+        ParseError { message, location }
+    }
+}