Run var def filter during parsing.

2022-02-13 18:46:25 +08:00
parent 664e3d31e5
commit 5bb6ce835f
9 changed files with 115 additions and 49 deletions
--- a/src/eval/stmt.rs
+++ b/src/eval/stmt.rs
@@ -831,13 +831,13 @@ impl Engine {
                        level: level,
                    };

-                    match filter(var_name, is_const, scope_level, shadowing, &context) {
+                    match filter(var_name, true, is_const, scope_level, shadowing, &context) {
                        Ok(true) => None,
-                        Ok(false) => Some(Err(ERR::ErrorRuntime(
-                            format!("Variable cannot be defined: {}", var_name).into(),
-                            *pos,
-                        )
-                        .into())),
+                        Ok(false) => {
+                            Some(Err(
+                                ERR::ErrorForbiddenVariable(var_name.to_string(), *pos).into()
+                            ))
+                        }
                        err @ Err(_) => Some(err),
                    }
                } else {