scope.h

// Copyright 2012-2013 Kevin Cox

/*******************************************************************************
*                                                                              *
*  This software is provided 'as-is', without any express or implied           *
*  warranty. In no event will the authors be held liable for any damages       *
*  arising from the use of this software.                                      *
*                                                                              *
*  Permission is granted to anyone to use this software for any purpose,       *
*  including commercial applications, and to alter it and redistribute it      *
*  freely, subject to the following restrictions:                              *
*                                                                              *
*  1. The origin of this software must not be misrepresented; you must not     *
*     claim that you wrote the original software. If you use this software in  *
*     a product, an acknowledgment in the product documentation would be       *
*     appreciated but is not required.                                         *
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*  2. Altered source versions must be plainly marked as such, and must not be  *
*     misrepresented as being the original software.                           *
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*  3. This notice may not be removed or altered from any source distribution.  *                                                           *
*                                                                              *
*******************************************************************************/

#ifndef SCOPE_H
#define SCOPE_H

#include <QHash>

class Scope;

#include "variable.h"
#include "statement.h"

class Scope
{
	Scope *parent;

	typedef QHash<QString, Variable*> SymbolMap;
	SymbolMap symbols;

public:
	QList<Statement> statements;

	Scope();

	Scope *globalScope();

	Variable *findVariable(QString name);
	Variable *newVariable(QString name);
	Scope *setParent(Scope *p);

	static Scope *parseScope(SmartBuffer *b);
};

#endif // SCOPE_H