fix: remove missing expr expr_symbol

Signed-off-by: he1pa <[email protected]>

kclvm/sema/src/advanced_resolver/node.rs

@@ -775,6 +775,9 @@ impl<'ctx> AdvancedResolver<'ctx> {
         match self.walk_expr(&expr.node) {
             None => match self.ctx.node_ty_map.get(&self.ctx.get_node_key(&expr.id)) {
                 Some(ty) => {
+                    if let ast::Expr::Missing(_) = expr.node {
+                        return None;
+                    }
                     let (_, end) = expr.get_span_pos();
                     let mut expr_symbol = ExpressionSymbol::new(
                         format!("@{}", expr.node.get_expr_name()),

kclvm/tools/src/LSP/src/completion.rs

@@ -1488,4 +1488,28 @@ mod tests {
             CompletionResponse::List(_) => panic!("test failed"),
         };
     }
+
+    #[test]
+    #[bench_test]
+    fn missing_expr_completion() {
+        let (file, program, _, _, gs) =
+            compile_test_file("src/test_data/completion_test/dot/missing_expr/missing_expr.k");
+
+        let pos = KCLPos {
+            filename: file.to_owned(),
+            line: 10,
+            column: Some(16),
+        };
+
+        let got = completion(Some('.'), &program, &pos, &gs).unwrap();
+        match got {
+            CompletionResponse::Array(arr) => {
+                assert_eq!(arr.len(), 2);
+                let labels: Vec<String> = arr.iter().map(|item| item.label.clone()).collect();
+                assert!(labels.contains(&"cpu".to_string()));
+                assert!(labels.contains(&"memory".to_string()));
+            }
+            CompletionResponse::List(_) => panic!("test failed"),
+        }
+    }
 }

kclvm/tools/src/LSP/src/test_data/completion_test/dot/missing_expr/missing_expr.k

@@ -0,0 +1,10 @@
+schema ResourceRequirement:
+    cpu?: str
+    memory?: str
+
+schema ResourceRequirements:
+    limits?: ResourceRequirement
+    requests?: ResourceRequirement
+
+    check:
+        limits?