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statement.cpp
120 lines (99 loc) · 2.97 KB
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statement.cpp
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/*
* The Doomsday Engine Project -- libcore
*
* Copyright © 2009-2017 Jaakko Keränen <jaakko.keranen@iki.fi>
*
* @par License
* LGPL: http://www.gnu.org/licenses/lgpl.html
*
* <small>This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 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 Lesser
* General Public License for more details. You should have received a copy of
* the GNU Lesser General Public License along with this program; if not, see:
* http://www.gnu.org/licenses</small>
*/
#include "de/Statement"
#include "de/AssignStatement"
#include "de/CatchStatement"
#include "de/DeleteStatement"
#include "de/ExpressionStatement"
#include "de/ForStatement"
#include "de/FunctionStatement"
#include "de/IfStatement"
#include "de/FlowStatement"
#include "de/PrintStatement"
#include "de/ScopeStatement"
#include "de/TryStatement"
#include "de/WhileStatement"
#include "de/Reader"
using namespace de;
Statement::Statement() : _next(nullptr), _lineNumber(0)
{}
Statement::~Statement()
{}
Statement *Statement::constructFrom(Reader &reader)
{
SerialId id;
reader.mark();
reader.readAs<dbyte>(id);
reader.rewind();
std::unique_ptr<Statement> result;
switch (id)
{
case SerialId::Assign:
result.reset(new AssignStatement);
break;
case SerialId::Catch:
result.reset(new CatchStatement);
break;
case SerialId::Delete:
result.reset(new DeleteStatement);
break;
case SerialId::Expression:
result.reset(new ExpressionStatement);
break;
case SerialId::Flow:
result.reset(new FlowStatement);
break;
case SerialId::For:
result.reset(new ForStatement);
break;
case SerialId::Function:
result.reset(new FunctionStatement);
break;
case SerialId::If:
result.reset(new IfStatement);
break;
case SerialId::Print:
result.reset(new PrintStatement);
break;
case SerialId::Try:
result.reset(new TryStatement);
break;
case SerialId::While:
result.reset(new WhileStatement);
break;
case SerialId::Scope:
result.reset(new ScopeStatement);
break;
default:
/// @throw DeserializationError The identifier that species the type of the
/// serialized statement was invalid.
throw DeserializationError("Statement::constructFrom", "Invalid statement identifier");
}
// Deserialize it.
reader >> *result.get();
return result.release();
}
void Statement::setLineNumber(duint line)
{
_lineNumber = line;
}
duint Statement::lineNumber() const
{
return _lineNumber;
}