From f39e5e708f1755729e6cb028e99f90659f8126dd Mon Sep 17 00:00:00 2001
From: Mateusz Gancarz <mgancarz@antmicro.com>
Date: Tue, 25 Feb 2025 14:20:03 +0100
Subject: [PATCH] [#73220] add clearing data after dumping it to output file

---
 include/verilated_saif_c.cpp | 13 ++++++++++++-
 include/verilated_saif_c.h   |  2 ++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/include/verilated_saif_c.cpp b/include/verilated_saif_c.cpp
index 8bc806703..bda227629 100644
--- a/include/verilated_saif_c.cpp
+++ b/include/verilated_saif_c.cpp
@@ -224,7 +224,6 @@ void VerilatedSaif::closeErr() {
 }
 
 void VerilatedSaif::close() VL_MT_SAFE_EXCLUDES(m_mutex) {
-    assert(m_time > 0);
     printStr("(DURATION ");
     printStr(std::to_string(m_time).c_str());
     printStr(")\n");
@@ -237,6 +236,8 @@ void VerilatedSaif::close() VL_MT_SAFE_EXCLUDES(m_mutex) {
     
     printStr(")\n"); // SAIFILE
 
+    clearCurrentlyCollectedData();
+
     // This function is on the flush() call path
     const VerilatedLockGuard lock{m_mutex};
     if (!isOpen()) return;
@@ -318,6 +319,16 @@ void VerilatedSaif::recursivelyPrintScopes(uint32_t scopeIndex) {
     printStr(")\n"); // INSTANCE
 }
 
+void VerilatedSaif::clearCurrentlyCollectedData()
+{
+    m_currentScope = -1;
+    m_scopes.clear();
+    m_topScopes.clear();
+    m_activity.clear();
+    m_activityArena.clear();
+    m_time = 0;
+}
+
 void VerilatedSaif::flush() VL_MT_SAFE_EXCLUDES(m_mutex) {
     const VerilatedLockGuard lock{m_mutex};
     Super::flushBase();
diff --git a/include/verilated_saif_c.h b/include/verilated_saif_c.h
index 53f5995d0..9a54bc5e0 100644
--- a/include/verilated_saif_c.h
+++ b/include/verilated_saif_c.h
@@ -92,6 +92,8 @@ private:
     size_t m_maxSignalBytes = 0;  // Upper bound on number of bytes a single signal can generate
     uint64_t m_wroteBytes = 0;  // Number of bytes written to this file
 
+    void clearCurrentlyCollectedData();
+
     int32_t m_currentScope{-1};
     std::vector<SaifScope> m_scopes{};
     std::vector<uint32_t> m_topScopes{};