verilator/src/V3LangCode.h

72 lines
2.4 KiB
C++

// -*- mode: C++; c-file-style: "cc-mode" -*-
//*************************************************************************
// DESCRIPTION: Verilator: Language code class
//
// Code available from: https://verilator.org
//
//*************************************************************************
//
// Copyright 2003-2022 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_V3LANGCODE_H_
#define VERILATOR_V3LANGCODE_H_
#include "config_build.h"
#include "verilatedos.h"
#include <map>
#include <set>
#include <vector>
//######################################################################
//! Class for the different languages supported.
//! A separate file, since used both in V3Options (globally) and FileLine 9per
//! file).
class V3LangCode final {
public:
enum en : uint8_t {
L_ERROR, // Must be first.
L1364_1995,
L1364_2001,
L1364_2005,
L1800_2005,
L1800_2009,
L1800_2012,
L1800_2017,
// ***Add new elements below also***
_ENUM_END
};
const char* ascii() const {
const char* const names[] = {// These must match the `begin_keywords values.
" ERROR", "1364-1995", "1364-2001", "1364-2005",
"1800-2005", "1800-2009", "1800-2012", "1800-2017"};
return names[m_e];
}
static V3LangCode mostRecent() VL_MT_SAFE { return V3LangCode{L1800_2017}; }
bool systemVerilog() const {
return m_e == L1800_2005 || m_e == L1800_2009 || m_e == L1800_2012 || m_e == L1800_2017;
}
bool legal() const { return m_e != L_ERROR; }
//
enum en m_e;
V3LangCode()
: m_e{L_ERROR} {}
// cppcheck-suppress noExplicitConstructor
constexpr V3LangCode(en _e)
: m_e{_e} {}
explicit V3LangCode(const char* textp);
explicit V3LangCode(int _e)
: m_e(static_cast<en>(_e)) {} // Need () or GCC 4.8 false warning
constexpr operator en() const { return m_e; }
};
//######################################################################
#endif // guard