mirror of
https://github.com/verilator/verilator.git
synced 2025-01-12 17:47:34 +00:00
45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
|
// $Id$ //-*- C++ -*-
|
|||
|
|
//*************************************************************************
|
|||
|
|
// DESCRIPTION: Verilator: Propagate constants across AST
|
|||
|
|
//
|
|||
|
|
// Code available from: http://www.veripool.com/verilator
|
|||
|
|
//
|
|||
|
|
// AUTHORS: Wilson Snyder with Paul Wasson, Duane Gabli
|
|||
|
|
//
|
|||
|
|
//*************************************************************************
|
|||
|
|
//
|
|||
|
|
// Copyright 2003-2006 by Wilson Snyder. This program is free software; you can
|
|||
|
|
// redistribute it and/or modify it under the terms of either the GNU
|
|||
|
|
// General Public License or the Perl Artistic License.
|
|||
|
|
//
|
|||
|
|
// Verilator is distributed in the hope that it will be useful,
|
|||
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|||
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|||
|
|
// GNU General Public License for more details.
|
|||
|
|
//
|
|||
|
|
//*************************************************************************
|
|||
|
|
|
|||
|
|
#ifndef _V3CONST_H_
|
|||
|
|
#define _V3CONST_H_ 1
|
|||
|
|
#include "config.h"
|
|||
|
|
#include "V3Error.h"
|
|||
|
|
#include "V3Ast.h"
|
|||
|
|
|
|||
|
|
//============================================================================
|
|||
|
|
|
|||
|
|
class V3Const {
|
|||
|
|
public:
|
|||
|
|
// Force this cell node's parameter list to become a constant
|
|||
|
|
static void constifyParam(AstNode* nodep);
|
|||
|
|
// Everything that's possible
|
|||
|
|
static void constifyAll(AstNetlist* nodep);
|
|||
|
|
// Also, warn
|
|||
|
|
static void constifyAllLint(AstNode* nodep);
|
|||
|
|
// C++ datatypes
|
|||
|
|
static void constifyCpp(AstNode* nodep);
|
|||
|
|
// Only the current node and lower
|
|||
|
|
static void constifyTree(AstNode* nodep);
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
#endif // Guard
|