86 lines
2.4 KiB
C++
86 lines
2.4 KiB
C++
#ifndef IVL_AStatement_H
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#define IVL_AStatement_H
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/*
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* Copyright (c) 2008-2025 Stephen Williams (steve@icarus.com)
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*
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* This source code is free software; you can redistribute it
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* and/or modify it in source code form under the terms of the GNU
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* General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program 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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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# include <map>
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# include "ivl_target.h"
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# include "StringHeap.h"
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# include "LineInfo.h"
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# include "Statement.h"
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# include "PExpr.h"
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class PExpr;
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class NetAnalog;
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class NetScope;
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class Design;
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/*
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* A contribution statement is like an assignment: there is an l-value
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* expression and an r-value expression. The l-value is a branch probe
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* expression.
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*/
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class AContrib : public Statement {
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public:
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AContrib(PExpr*lval, PExpr*rval);
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~AContrib() override;
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virtual void dump(std::ostream&out, unsigned ind) const override;
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virtual NetProc* elaborate(Design*des, NetScope*scope) const override;
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private:
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PExpr*lval_;
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PExpr*rval_;
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};
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/*
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* An analog process is not a statement, but contains an analog
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* statement. The process is where we attach process characteristics
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* such as initial vs. always, attributes....
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*/
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class AProcess : public LineInfo {
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public:
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AProcess(ivl_process_type_t t, Statement*st)
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: type_(t), statement_(st) { }
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~AProcess() override;
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bool elaborate(Design*des, NetScope*scope) const;
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ivl_process_type_t type() const { return type_; }
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Statement*statement() { return statement_; }
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std::map<perm_string,PExpr*> attributes;
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// Dump the analog process
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void dump(std::ostream&out, unsigned ind) const;
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private:
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ivl_process_type_t type_;
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Statement*statement_;
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private: // not implemented
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AProcess(const AProcess&);
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AProcess& operator= (const AProcess&);
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};
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#endif /* IVL_AStatement_H */
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