verilator/src/V3HierBlock.h

118 lines
4.1 KiB
C++

// -*- mode: C++; c-file-style: "cc-mode" -*-
//*************************************************************************
// DESCRIPTION: Verilator: Plan for Hierarchical Verilation
//
// Code available from: https://verilator.org
//
//*************************************************************************
//
// Copyright 2003-2025 by Wilson Snyder. This program is free software; you
// can redistribute it and/or modify it under the terms of either the GNU
// Lesser General Public License Version 3 or the Perl Artistic License
// Version 2.0.
// SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0
//
//*************************************************************************
#ifndef VERILATOR_V3HIERBLOCK_H_
#define VERILATOR_V3HIERBLOCK_H_
#include "verilatedos.h"
#include "V3Ast.h"
#include "V3Graph.h"
#include <map>
#include <set>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include <vector>
class AstNetlist;
class AstNodeModule;
class AstParamTypeDType;
class AstVar;
//######################################################################
class V3HierGraph final : public V3Graph {
public:
V3HierGraph() = default;
~V3HierGraph() = default;
VL_UNCOPYABLE(V3HierGraph);
VL_UNMOVABLE(V3HierGraph);
// Write command line arguments to .f files for child Verilation run
void writeCommandArgsFiles(bool forMkJson) const VL_MT_DISABLED;
void writeParametersFiles() const VL_MT_DISABLED;
static string topCommandArgsFilename(bool forMkJson) VL_MT_DISABLED;
};
class V3HierBlock final : public V3GraphVertex {
VL_RTTI_IMPL(V3HierBlock, V3GraphVertex)
// TYPES
// Parameter name, stringified value
using StrGParam = std::pair<string, string>;
using StrGParams = std::vector<StrGParam>;
// MEMBERS
const AstModule* const m_modp; // Hierarchical block module
// Value parameters that are overridden by #(.param(value)) syntax.
const std::vector<AstVar*> m_params;
// Types parameters that are overridden by #(.param(value)) syntax.
const std::vector<AstParamTypeDType*> m_typeParams;
// METHODS
static StrGParams stringifyParams(const std::vector<AstVar*>& params,
bool forGOption) VL_MT_DISABLED;
public:
// CONSTRUCTORs
V3HierBlock(V3HierGraph* graphp, const AstModule* modp, const std::vector<AstVar*>& params,
const std::vector<AstParamTypeDType*>& typeParams)
: V3GraphVertex{graphp}
, m_modp{modp}
, m_params{params}
, m_typeParams{typeParams} {}
~V3HierBlock() VL_MT_DISABLED = default;
VL_UNCOPYABLE(V3HierBlock);
VL_UNMOVABLE(V3HierBlock);
const AstModule* modp() const { return m_modp; }
// For emitting Makefile and build definition JSON
VStringList commandArgs(bool forMkJson) const VL_MT_DISABLED;
VStringList hierBlockArgs() const VL_MT_DISABLED;
string hierPrefix() const VL_MT_DISABLED;
string hierSomeFilename(bool withDir, const char* prefix,
const char* suffix) const VL_MT_DISABLED;
string hierWrapperFilename(bool withDir) const VL_MT_DISABLED;
string hierMkFilename(bool withDir) const VL_MT_DISABLED;
string hierLibFilename(bool withDir) const VL_MT_DISABLED;
string hierGeneratedFilenames(bool withDir) const VL_MT_DISABLED;
// Returns the original HDL file if it is not included in v3Global.opt.vFiles().
string vFileIfNecessary() const VL_MT_DISABLED;
// Write command line arguments to .f file for this hierarchical block
void writeCommandArgsFile(bool forMkJson) const VL_MT_DISABLED;
void writeParametersFile() const VL_MT_DISABLED;
string commandArgsFilename(bool forMkJson) const VL_MT_DISABLED;
string typeParametersFilename() const VL_MT_DISABLED;
// For Graphviz dumps only
std::string name() const override { return m_modp->prettyNameQ(); }
std::string dotShape() const override { return "box"; }
};
//######################################################################
// Pass to create hierarcical block graph
class V3Hierarchical final {
public:
static void createGraph(AstNetlist* nodep) VL_MT_DISABLED;
};
#endif // guard