variables.h

/*
 *	botc source code
 *	Copyright (C) 2012 Santeri `Dusk` Piippo
 *	All rights reserved.
 *	
 *	Redistribution and use in source and binary forms, with or without
 *	modification, are permitted provided that the following conditions are met:
 *	
 *	1. Redistributions of source code must retain the above copyright notice,
 *	   this list of conditions and the following disclaimer.
 *	2. Redistributions in binary form must reproduce the above copyright notice,
 *	   this list of conditions and the following disclaimer in the documentation
 *	   and/or other materials provided with the distribution.
 *	3. Neither the name of the developer nor the names of its contributors may
 *	   be used to endorse or promote products derived from this software without
 *	   specific prior written permission.
 *	4. Redistributions in any form must be accompanied by information on how to
 *	   obtain complete source code for the software and any accompanying
 *	   software that uses the software. The source code must either be included
 *	   in the distribution or be available for no more than the cost of
 *	   distribution plus a nominal fee, and must be freely redistributable
 *	   under reasonable conditions. For an executable file, complete source
 *	   code means the source code for all modules it contains. It does not
 *	   include source code for modules or files that typically accompany the
 *	   major components of the operating system on which the executable file
 *	   runs.
 *	
 *	THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 *	AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 *	IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 *	ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 *	LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 *	CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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 *	ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 *	POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef __VARIABLES_H__
#define __VARIABLES_H__
#include "str.h"
#include "scriptreader.h"

struct ScriptVar {
	str name;
	str statename;
	int value;
	unsigned int index;
	ScriptVar* next;
};

#ifndef __VARIABLES_CXX__
extern ScriptVar* g_GlobalVariables[MAX_SCRIPT_VARIABLES];
extern ScriptVar* g_LocalVariable;
#endif // __VARIABLES_CXX__

#define ITERATE_GLOBAL_VARS(u) \
	for (u = 0; u < MAX_SCRIPT_VARIABLES; u++)
#define ITERATE_SCRIPT_VARS(g) \
	for (g = g_ScriptVariable; g != NULL; g = g->next)

ScriptVar* DeclareGlobalVariable (ScriptReader* r, str name);
unsigned int CountGlobalVars ();
void InitVariables ();
ScriptVar* FindGlobalVariable (str name);

#endif // __VARIABLES_H__