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LibrePilot/flight/libraries/PyMite/vm/int.h

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/*
# This file is Copyright 2003, 2006, 2007, 2009, 2010 Dean Hall.
#
# This file is part of the PyMite VM.
# The PyMite VM is free software: you can redistribute it and/or modify
# it under the terms of the GNU GENERAL PUBLIC LICENSE Version 2.
#
# The PyMite VM 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.
# A copy of the GNU GENERAL PUBLIC LICENSE Version 2
# is seen in the file COPYING in this directory.
*/
#ifndef __INT_H__
#define __INT_H__
/**
* \file
* \brief Integer Object Type
*
* Integer object type header.
*/
/**
* Integer obj
*
* 32b signed integer
*/
typedef struct PmInt_s
{
/** Object descriptor */
PmObjDesc_t od;
/** Integer value */
int32_t val;
} PmInt_t,
*pPmInt_t;
/**
* Creates a duplicate Integer object
*
* Created specifically for the index value in FOR_LOOP.
*
* @param pint Pointer to int obj to duplicate.
* @param r_pint Return by ref, ptr to new int
* @return Return status
*/
PmReturn_t int_dup(pPmObj_t pint, pPmObj_t *r_pint);
/**
* Creates a new Integer object
*
* @param val Value to assign int (signed 32-bit).
* @param r_pint Return by ref, ptr to new int
* @return Return status
*/
PmReturn_t int_new(int32_t val, pPmObj_t *r_pint);
/**
* Implements the UNARY_POSITIVE bcode.
*
* Creates a new int with the same value as the given int.
*
* @param pobj Pointer to integer object
* @param r_pint Return by reference, ptr to int
* @return Return status
*/
PmReturn_t int_positive(pPmObj_t pobj, pPmObj_t *r_pint);
/**
* Implements the UNARY_NEGATIVE bcode.
*
* Creates a new int with a value that is the negative of the given int.
*
* @param pobj Pointer to target object
* @param r_pint Return by ref, ptr to int
* @return Return status
*/
PmReturn_t int_negative(pPmObj_t pobj, pPmObj_t *r_pint);
/**
* Implements the UNARY_INVERT bcode.
*
* Creates a new int with a value that is
* the bitwise inversion of the given int.
*
* @param pobj Pointer to integer to invert
* @param r_pint Return by reference; new integer
* @return Return status
*/
PmReturn_t int_bitInvert(pPmObj_t pobj, pPmObj_t *r_pint);
#ifdef HAVE_PRINT
/**
* Sends out an integer object in decimal notation with MSB first.
* The number is preceded with a "-" when necessary.
*
* @param pObj Ptr to int object
* @return Return status
*/
PmReturn_t int_print(pPmObj_t pint);
/**
* Prints the byte in ascii-coded hexadecimal out the platform output
*
* @param b Byte to print
*/
PmReturn_t int_printHexByte(uint8_t b);
/**
* Prints the integer in ascii-coded hexadecimal out the platform output
*
* @param n Integer to print
*/
PmReturn_t _int_printHex(intptr_t n);
/**
* Prints the Int object in ascii-coded hexadecimal out the platform output
*
* @param pint Pointer to Int object
*/
PmReturn_t int_printHex(pPmObj_t pint);
#endif /* HAVE_PRINT */
/**
* Returns by reference an integer that is x raised to the power of y.
*
* @param px The integer base
* @param py The integer exponent
* @param r_pn Return by reference; New integer with value of x ** y
* @return Return status
*/
PmReturn_t int_pow(pPmObj_t px, pPmObj_t py, pPmObj_t *r_pn);
#endif /* __INT_H__ */