cc65/src/cc65/assignment.h

84 lines
3.6 KiB
C

/*****************************************************************************/
/* */
/* assignment.h */
/* */
/* Parse assignments */
/* */
/* */
/* */
/* (C) 2002-2004 Ullrich von Bassewitz */
/* Roemerstrasse 52 */
/* D-70794 Filderstadt */
/* EMail: uz@cc65.org */
/* */
/* */
/* This software is provided 'as-is', without any expressed 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. */
/* 2. Altered source versions must be plainly marked as such, and must not */
/* be misrepresented as being the original software. */
/* 3. This notice may not be removed or altered from any source */
/* distribution. */
/* */
/*****************************************************************************/
#ifndef ASSIGNMENT_H
#define ASSIGNMENT_H
/* cc65 */
#include "exprdesc.h"
/*****************************************************************************/
/* Data */
/*****************************************************************************/
/* Whether to save/restore the original lhs or result value */
enum {
OA_NEED_NONE,
OA_NEED_OLD,
OA_NEED_NEW,
};
/* Forward */
struct GenDesc;
/*****************************************************************************/
/* Code */
/*****************************************************************************/
void DoIncDecBitField (ExprDesc* Expr, long Val, unsigned KeepResult);
/* Process inc/dec for bit-field */
void OpAssign (const struct GenDesc* Gen, ExprDesc* lval, const char* Op);
/* Parse an "=" (if 'Gen' is 0) or "op=" operation */
void OpAddSubAssign (const struct GenDesc* Gen, ExprDesc *Expr, const char* Op);
/* Parse a "+=" or "-=" operation */
/* End of assignment.h */
#endif