Validate method substitution before definition updates and execution

2026-10-22 14:13:46 +08:00
parent 6b4cce1fee
commit e26e227dd0
14 changed files with 803 additions and 14 deletions
@@ -18,6 +18,11 @@ pub enum VmError {
        method: String,
        reason: &'static str,
    },
+    OverrideViolation {
+        definition: String,
+        method: String,
+        reason: &'static str,
+    },
    UnknownAnnotation(String),
    TypeMismatch {
        function: String,
@@ -63,6 +68,11 @@ impl fmt::Display for VmError {
            Self::UnknownAnnotation(name) => {
                write!(f, "unknown or invalid type annotation: {name}")
            }
+            Self::OverrideViolation {
+                definition,
+                method,
+                reason,
+            } => write!(f, "override {definition}.{method}: {reason}"),
            Self::TypeMismatch {
                function,
                position,