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54 lines
1.6 KiB
C++
54 lines
1.6 KiB
C++
// -*- mode: C++; c-file-style: "cc-mode" -*-
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//*************************************************************************
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//
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// Copyright 2013-2023 by Wilson Snyder. This program is free software; you can
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// redistribute it and/or modify it under the terms of either the GNU
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// Lesser General Public License Version 3 or the Perl Artistic License
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// Version 2.0.
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// SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0
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//
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//*************************************************************************
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#include "vpi_user.h"
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// Avoid C++11 in this file as not all simulators allow it
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//======================================================================
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class TestVpiHandle {
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/// For testing, etc, wrap vpiHandle in an auto-releasing class
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vpiHandle m_handle; // No = as no C++11
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bool m_freeit; // No = as no C++11
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public:
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TestVpiHandle()
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: m_handle(NULL)
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, m_freeit(true) {}
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TestVpiHandle(vpiHandle h)
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: m_handle(h)
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, m_freeit(true) {}
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~TestVpiHandle() { release(); }
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operator vpiHandle() const { return m_handle; }
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TestVpiHandle& operator=(vpiHandle h) {
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release();
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m_handle = h;
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return *this;
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}
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void release() {
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if (m_handle && m_freeit) {
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// Below not VL_DO_DANGLING so is portable
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#ifdef IVERILOG
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vpi_free_object(m_handle);
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#else
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vpi_release_handle(m_handle);
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#endif
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m_handle = NULL;
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}
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}
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// Freed by another action e.g. vpi_scan; so empty and don't free again
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void freed() {
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m_handle = NULL;
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m_freeit = false;
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}
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};
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