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We need to elaborate expressions so that function calls in expressions (i.e. ranges) get bound to their proper scope. This binding is in turn used to emit package scopes. This is particularly interesting for ports of entities.
66 lines
2.0 KiB
C++
66 lines
2.0 KiB
C++
#ifndef __subprogram_H
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#define __subprogram_H
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/*
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* Copyright (c) 2013 Stephen Williams ([email protected])
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* Copyright CERN 2013 / Stephen Williams ([email protected])
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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 "StringHeap.h"
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# include "LineInfo.h"
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# include <iostream>
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# include <list>
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class InterfacePort;
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class ScopeBase;
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class SequentialStmt;
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class VType;
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class Subprogram : public LineInfo {
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public:
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Subprogram(perm_string name, std::list<InterfacePort*>*ports,
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const VType*return_type);
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~Subprogram();
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void set_parent(const ScopeBase*par);
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inline const ScopeBase*get_parent() const { return parent_; }
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inline const perm_string&name() const { return name_; }
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void set_program_body(std::list<SequentialStmt*>*statements);
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// Return true if the specification (name, types, ports)
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// matches this subprogram and that subprogram.
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bool compare_specification(Subprogram*that) const;
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// Emit a definition as it would show up in a package.
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int emit_package(std::ostream&fd) const;
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void write_to_stream(std::ostream&fd) const;
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void dump(std::ostream&fd) const;
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private:
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perm_string name_;
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const ScopeBase*parent_;
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std::list<InterfacePort*>*ports_;
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const VType*return_type_;
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std::list<SequentialStmt*>*statements_;
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};
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#endif
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