From edcc95e20545b584ba04972ee9030edcd9e76b4f Mon Sep 17 00:00:00 2001
From: Stephen Chung <schungx@live.com>
Date: Wed, 26 Jan 2022 22:15:47 +0800
Subject: [PATCH] Skip transitive nodes for debugger.

---
 src/eval/debugger.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/eval/debugger.rs b/src/eval/debugger.rs
index 7dfb45f0..13128000 100644
--- a/src/eval/debugger.rs
+++ b/src/eval/debugger.rs
@@ -383,6 +383,12 @@ impl Engine {
         if let Some(ref on_debugger) = self.debugger {
             let node = node.into();
 
+            // Skip transitive nodes
+            match node {
+                ASTNode::Expr(Expr::Stmt(_)) | ASTNode::Stmt(Stmt::Expr(_)) => return Ok(None),
+                _ => (),
+            }
+
             let stop = match global.debugger.status {
                 DebuggerCommand::Continue => false,
                 DebuggerCommand::Next => matches!(node, ASTNode::Stmt(_)),