feat: improve error message on unknown key/action (#620)

jtroo · Nov 11, 2023 · 53c3462 · 53c3462
1 parent 1d49a7b
commit 53c3462
Showing 1 changed file with 10 additions and 1 deletion.
diff --git a/parser/src/cfg/mod.rs b/parser/src/cfg/mod.rs
@@ -1268,7 +1268,16 @@ fn parse_action_atom(ac_span: &Spanned<String>, s: &ParsedState) -> Result<&'sta
     let (mut keys, unparsed_str) = parse_mod_prefix(ac)?;
     keys.push(
         str_to_oscode(unparsed_str)
-            .ok_or_else(|| anyhow!("Unknown key/action/variable: {ac:?}"))?
+            .ok_or_else(|| {
+                // check aliases
+                if s.aliases.contains_key(ac) {
+                    anyhow!("Unknown key/action: {ac}. If you meant to use an alias, prefix it with '@' symbol: @{ac}")
+                } else if s.vars.contains_key(ac) {
+                    anyhow!("Unknown key/action: {ac}. If you meant to use a variable, prefix it with '$' symbol: ${ac}")
+                } else {
+                    anyhow!("Unknown key/action: {ac}")
+                }
+            })?
             .into(),
     );
     Ok(s.a.sref(Action::MultipleKeyCodes(s.a.sref(s.a.sref_vec(keys)))))