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#ifndef __AStatement_H
#define __AStatement_H
/*
* Copyright (c) 2008 Stephen Williams (steve@icarus.com)
*
* This source code is free software; you can redistribute it
* and/or modify it in source code form under the terms of the GNU
* General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
# include <map>
# include "ivl_target.h"
# include "StringHeap.h"
# include "LineInfo.h"
# include "Statement.h"
# include "PExpr.h"
class PExpr;
class NetAnalog;
class NetScope;
class Design;
/*
* A contribution statement is like an assignment: there is an l-value
* expression and an r-value expression. The l-value is a branch probe
* expression.
*/
class AContrib : public Statement {
public:
AContrib(PExpr*lval, PExpr*rval);
~AContrib();
virtual void dump(ostream&out, unsigned ind) const;
virtual NetProc* elaborate(Design*des, NetScope*scope) const;
private:
PExpr*lval_;
PExpr*rval_;
};
/*
* An analog process is not a statement, but contains an analog
* statement. The process is where we attach process characteristics
* such as initial vs. always, attributes....
*/
class AProcess : public LineInfo {
public:
AProcess(ivl_process_type_t t, Statement*st)
: type_(t), statement_(st) { }
~AProcess();
bool elaborate(Design*des, NetScope*scope) const;
ivl_process_type_t type() const { return type_; }
Statement*statement() { return statement_; }
map<perm_string,PExpr*> attributes;
// Dump the analog process
void dump(ostream&out, unsigned ind) const;
private:
ivl_process_type_t type_;
Statement*statement_;
private: // not implemented
AProcess(const AProcess&);
AProcess& operator= (const AProcess&);
};
#endif
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