postfix.h

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/*************************************************************************\
* Copyright (c) 2010 UChicago Argonne LLC, as Operator of Argonne
*     National Laboratory.
* Copyright (c) 2002 The Regents of the University of California, as
*     Operator of Los Alamos National Laboratory.
* EPICS BASE is distributed subject to a Software License Agreement found
* in file LICENSE that is included with this distribution.
\*************************************************************************/
#ifndef INCpostfixh
#define INCpostfixh

#include "libComAPI.h"

#define CALCPERFORM_NARGS 12

#define CALCPERFORM_STACK 80

#define INFIX_TO_POSTFIX_SIZE(n) ((n)*21/6)

#define MAX_INFIX_SIZE 100

#define MAX_POSTFIX_SIZE INFIX_TO_POSTFIX_SIZE(MAX_INFIX_SIZE)

#define CALC_ERR_NONE            0

#define CALC_ERR_TOOMANY         1

#define CALC_ERR_BAD_LITERAL     2

#define CALC_ERR_BAD_ASSIGNMENT  3

#define CALC_ERR_BAD_SEPERATOR   4

#define CALC_ERR_PAREN_NOT_OPEN  5

#define CALC_ERR_PAREN_OPEN      6

#define CALC_ERR_CONDITIONAL     7

#define CALC_ERR_INCOMPLETE      8

#define CALC_ERR_UNDERFLOW       9

#define CALC_ERR_OVERFLOW       10

#define CALC_ERR_SYNTAX         11

#define CALC_ERR_NULL_ARG       12

#define CALC_ERR_INTERNAL       13

#ifdef __cplusplus
extern "C" {
#endif

LIBCOM_API long
    postfix(const char *pinfix, char *ppostfix, short *perror);

LIBCOM_API long
    calcPerform(double *parg, double *presult, const char *ppostfix);

LIBCOM_API long
    calcArgUsage(const char *ppostfix, unsigned long *pinputs, unsigned long *pstores);

LIBCOM_API const char *
    calcErrorStr(short error);

LIBCOM_API void
    calcExprDump(const char *pinst);

#ifdef __cplusplus
}
#endif

#endif /* INCpostfixh */