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73 lines
3.0 KiB
C++
73 lines
3.0 KiB
C++
// -*- mode: C++; c-file-style: "cc-mode" -*-
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//*************************************************************************
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// DESCRIPTION: Verilator: Inlining of modules
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//
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// Code available from: https://verilator.org
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//
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//*************************************************************************
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//
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// Copyright 2003-2023 by Wilson Snyder. This program is free software; you
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// can 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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#ifndef VERILATOR_V3TASK_H_
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#define VERILATOR_V3TASK_H_
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#include "config_build.h"
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#include "verilatedos.h"
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#include "V3Ast.h"
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#include "V3Error.h"
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#include "V3ThreadSafety.h"
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#include <utility>
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#include <vector>
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//============================================================================
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using V3TaskConnect = std::pair<AstVar*, AstArg*>; // [port, pin-connects-to]
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using V3TaskConnects = std::vector<V3TaskConnect>; // [ [port, pin-connects-to] ... ]
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class V3TaskConnectState final {
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VNDeleter m_deleter; // Allow delayed deletion of nodes
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bool m_didWrap = false; // Made a wrapper
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using WrapMap = std::map<std::pair<AstNodeFTask*, std::string>, AstNodeFTask*>;
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WrapMap m_wrapMap; // Map of {old function, arguments} -> new function
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public:
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V3TaskConnectState() {}
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~V3TaskConnectState() = default;
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void pushDeletep(AstNode* nodep) { m_deleter.pushDeletep(nodep); }
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bool didWrap() const { return m_didWrap; }
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void setDidWrap() { m_didWrap = true; }
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WrapMap& wrapMap() { return m_wrapMap; }
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};
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//============================================================================
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class V3Task final {
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static const char* const s_dpiTemporaryVarSuffix;
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public:
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static void taskAll(AstNetlist* nodep) VL_MT_DISABLED;
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/// Return vector of [port, pin-connects-to] (SLOW)
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static V3TaskConnects taskConnects(AstNodeFTaskRef* nodep, AstNode* taskStmtsp,
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V3TaskConnectState* statep = nullptr) VL_MT_DISABLED;
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static void taskConnectWrap(AstNodeFTaskRef* nodep, const V3TaskConnects& tconnects,
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V3TaskConnectState* statep,
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const std::set<const AstVar*>& argWrap) VL_MT_DISABLED;
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static AstNodeFTask* taskConnectWrapNew(AstNodeFTask* taskp, const string& newname,
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const V3TaskConnects& tconnects,
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const std::set<const AstVar*>& argWrap) VL_MT_DISABLED;
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static string assignInternalToDpi(AstVar* portp, bool isPtr, const string& frSuffix,
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const string& toSuffix,
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const string& frPrefix = "") VL_MT_DISABLED;
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static string assignDpiToInternal(const string& lhsName, AstVar* rhsp) VL_MT_DISABLED;
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static const char* dpiTemporaryVarSuffix() VL_MT_SAFE { return s_dpiTemporaryVarSuffix; }
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};
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#endif // Guard
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