fix(semantic): fixing more namespace issues

Author: Entenwilli

src/semantic/mod.rs

@@ -298,9 +298,11 @@ pub fn analyze(tree: Box<Tree>, state: &mut AnalysisState) -> Result<(), String>
             analyze(rhs, state)
         }
         Tree::Block(statements, _) => {
+            let old_namespace = state.namespace.clone();
             for statement in statements {
                 analyze(Box::new(statement.clone()), state)?;
             }
+            state.namespace = old_namespace;
             Ok(())
         }
         Tree::LValueIdentifier(name) => analyze(name, state),
@@ -394,6 +396,7 @@ pub fn analyze(tree: Box<Tree>, state: &mut AnalysisState) -> Result<(), String>
             Ok(())
         }
         Tree::For(initializer, condition, updater, expression, _) => {
+            let old_namespace = state.namespace.clone();
             let returning_state = state.return_state.clone();
             if let Some(initializer_expression) = initializer {
                 analyze(initializer_expression, state)?;
@@ -406,14 +409,13 @@ pub fn analyze(tree: Box<Tree>, state: &mut AnalysisState) -> Result<(), String>
                 return Err("Condition must be a boolean".to_string());
             }
             if let Some(updater_expression) = updater {
-                let old_state = state.clone();
                 analyze(updater_expression, state)?;
-                *state = old_state;
             }
             state.enter_loop();
             analyze(expression, state)?;
             state.return_state = returning_state;
             state.exit_loop();
+            state.namespace = old_namespace;
             Ok(())
         }
     }