checkpoint

src/syntax/validate.rs

@@ -180,7 +180,10 @@ impl Statement {
 }
 
 impl Expression {
-    fn validate(&self, variable_map: &ScopedMap<String, Location>) -> (Vec<Error>, Vec<Warning>) {
+    fn validate(
+        &self,
+        variable_map: &mut ScopedMap<String, Location>,
+    ) -> (Vec<Error>, Vec<Warning>) {
         match self {
             Expression::Value(_, _) => (vec![], vec![]),
             Expression::Reference(_, var) if variable_map.contains_key(var) => (vec![], vec![]),
@@ -207,6 +210,19 @@ impl Expression {
                     warnings.append(&mut warn);
                 }
 
+                (errors, warnings)
+            }
+            Expression::Block(_, stmts) => {
+                let mut errors = vec![];
+                let mut warnings = vec![];
+
+                for stmt in stmts.iter() {
+                    let (mut local_errors, mut local_warnings) = stmt.validate(variable_map);
+
+                    errors.append(&mut local_errors);
+                    warnings.append(&mut local_warnings);
+                }
+
                 (errors, warnings)
             }
         }