forked from github/verilator
105 lines
3.6 KiB
C++
105 lines
3.6 KiB
C++
// -*- mode: C++; c-file-style: "cc-mode" -*-
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//*************************************************************************
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// DESCRIPTION: Verilator: Common headers
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//
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// Code available from: http://www.veripool.org/verilator
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//
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//*************************************************************************
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//
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// Copyright 2003-2014 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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//
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// Verilator is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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//*************************************************************************
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#ifndef _V3GLOBAL_H_
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#define _V3GLOBAL_H_ 1
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#include "config_build.h"
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#include "verilatedos.h"
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#include <string>
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#include "V3Error.h"
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#include "V3FileLine.h"
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#include "V3Options.h"
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class AstNetlist;
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//======================================================================
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// Statics
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//######################################################################
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// V3 - The top level class for the entire program
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class V3Global {
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// Globals
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AstNetlist* m_rootp; // Root of entire netlist
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int m_debugFileNumber; // Number to append to debug files created
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bool m_assertDTypesResolved; // Tree should have dtypep()'s
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bool m_assertWidthsMatch; // Tree should have width()==widthMin()
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bool m_constRemoveXs; // Const needs to strip any Xs
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bool m_needHInlines; // Need __Inlines file
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bool m_needHeavy; // Need verilated_heavy.h include
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bool m_dpi; // Need __Dpi include files
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public:
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// Options
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V3Options opt; // All options; let user see them directly
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public:
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// CREATORS
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V3Global() {
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m_debugFileNumber = 0;
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m_assertDTypesResolved = false;
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m_assertWidthsMatch = false;
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m_constRemoveXs = false;
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m_needHInlines = false;
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m_needHeavy = false;
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m_dpi = false;
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m_rootp = NULL; // created by makeInitNetlist() so static constructors run first
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}
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AstNetlist* makeNetlist();
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void boot() { UASSERT(!m_rootp,"call once"); m_rootp = makeNetlist(); }
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void clear();
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// ACCESSORS (general)
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AstNetlist* rootp() const { return m_rootp; }
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bool assertDTypesResolved() const { return m_assertDTypesResolved; }
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bool assertWidthsMatch() const { return m_assertWidthsMatch; }
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// METHODS
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void readFiles();
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void checkTree();
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static void dumpCheckGlobalTree(const string& filename, int newNumber=0, bool doDump=true);
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void assertDTypesResolved(bool flag) { m_assertDTypesResolved = flag; }
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void assertWidthsMatch(bool flag) { m_assertWidthsMatch = flag; }
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bool constRemoveXs() const { return m_constRemoveXs; }
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void constRemoveXs(bool flag) { m_constRemoveXs = flag; }
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string debugFilename(const string& nameComment, int newNumber=0) {
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++m_debugFileNumber;
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if (newNumber) m_debugFileNumber = newNumber;
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char digits[100]; sprintf(digits, "%03d", m_debugFileNumber);
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return opt.makeDir()+"/"+opt.prefix()+"_"+digits+"_"+nameComment;
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}
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bool needHInlines() const { return m_needHInlines; }
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void needHInlines(bool flag) { m_needHInlines=flag; }
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bool needHeavy() const { return m_needHeavy; }
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void needHeavy(bool flag) { m_needHeavy=flag; }
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bool dpi() const { return m_dpi; }
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void dpi(bool flag) { m_dpi = flag; }
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};
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extern V3Global v3Global;
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//######################################################################
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#endif // guard
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