Fix extract_real (thanks Manuele), and add check for overflow.
/*
* Copyright (C) 2007-2011: Edouard TISSERANT and Laurent BESSARD
*
* See COPYING and COPYING.LESSER files for copyright details.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This library 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. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef IEC_TYPES_ALL_H
#define IEC_TYPES_ALL_H
/* Macro that expand to subtypes */
#define __ANY(DO) __ANY_DERIVED(DO) __ANY_ELEMENTARY(DO)
#define __ANY_DERIVED(DO)
#define __ANY_ELEMENTARY(DO) __ANY_MAGNITUDE(DO) __ANY_BIT(DO) __ANY_STRING(DO) __ANY_DATE(DO)
#define __ANY_MAGNITUDE(DO) __ANY_NUM(DO) DO(TIME)
#define __ANY_BIT(DO) __ANY_NBIT(DO) DO(BOOL)
#define __ANY_NBIT(DO) DO(BYTE) DO(WORD) DO(DWORD) DO(LWORD)
#define __ANY_STRING(DO) DO(STRING)
#define __ANY_DATE(DO) DO(DATE) DO(TOD) DO(DT)
#define __ANY_NUM(DO) __ANY_REAL(DO) __ANY_INT(DO)
#define __ANY_REAL(DO) DO(REAL) DO(LREAL)
#define __ANY_INT(DO) __ANY_SINT(DO) __ANY_UINT(DO)
#define __ANY_SINT(DO) DO(SINT) DO(INT) DO(DINT) DO(LINT)
#define __ANY_UINT(DO) DO(USINT) DO(UINT) DO(UDINT) DO(ULINT)
/* Macro that expand to subtypes */
#define __ANY_1(DO,P1) __ANY_DERIVED_1(DO,P1) __ANY_ELEMENTARY_1(DO,P1)
#define __ANY_DERIVED_1(DO,P1)
#define __ANY_ELEMENTARY_1(DO,P1) __ANY_MAGNITUDE_1(DO,P1) __ANY_BIT_1(DO,P1) __ANY_STRING_1(DO,P1) __ANY_DATE_1(DO,P1)
#define __ANY_MAGNITUDE_1(DO,P1) __ANY_NUM_1(DO,P1) DO(TIME,P1)
#define __ANY_BIT_1(DO,P1) __ANY_NBIT_1(DO,P1) DO(BOOL,P1)
#define __ANY_NBIT_1(DO,P1) DO(BYTE,P1) DO(WORD,P1) DO(DWORD,P1) DO(LWORD,P1)
#define __ANY_STRING_1(DO,P1) DO(STRING,P1)
#define __ANY_DATE_1(DO,P1) DO(DATE,P1) DO(TOD,P1) DO(DT,P1)
#define __ANY_NUM_1(DO,P1) __ANY_REAL_1(DO,P1) __ANY_INT_1(DO,P1)
#define __ANY_REAL_1(DO,P1) DO(REAL,P1) DO(LREAL,P1)
#define __ANY_INT_1(DO,P1) __ANY_SINT_1(DO,P1) __ANY_UINT_1(DO,P1)
#define __ANY_SINT_1(DO,P1) DO(SINT,P1) DO(INT,P1) DO(DINT,P1) DO(LINT,P1)
#define __ANY_UINT_1(DO,P1) DO(USINT,P1) DO(UINT,P1) DO(UDINT,P1) DO(ULINT,P1)
/*********************/
/* IEC Types defs */
/*********************/
/* Include non windows.h clashing typedefs */
#include "iec_types.h"
#define TRUE 1
#define FALSE 0
#define __IEC_DEBUG_FLAG 0x01
#define __IEC_FORCE_FLAG 0x02
#define __IEC_RETAIN_FLAG 0x04
#define __IEC_OUTPUT_FLAG 0x08
#define __DECLARE_IEC_TYPE(type)\
typedef IEC_##type type;\
\
typedef struct {\
IEC_##type value;\
IEC_BYTE flags;\
} __IEC_##type##_t;\
\
typedef struct {\
IEC_##type *value;\
IEC_BYTE flags;\
IEC_##type fvalue;\
} __IEC_##type##_p;
#define __DECLARE_DERIVED_TYPE(type, base)\
typedef base type;\
typedef __IEC_##base##_t __IEC_##type##_t;\
typedef __IEC_##base##_p __IEC_##type##_p;
#define __DECLARE_COMPLEX_STRUCT(type)\
typedef struct {\
type value;\
IEC_BYTE flags;\
} __IEC_##type##_t;\
\
typedef struct {\
type *value;\
IEC_BYTE flags;\
type fvalue;\
} __IEC_##type##_p;
#define __DECLARE_ENUMERATED_TYPE(type, ...)\
typedef enum {\
__VA_ARGS__\
} type;\
__DECLARE_COMPLEX_STRUCT(type)
#define __DECLARE_ARRAY_TYPE(type, base, size)\
typedef struct {\
base table size;\
} type;\
__DECLARE_COMPLEX_STRUCT(type)
#define __DECLARE_STRUCT_TYPE(type, elements)\
typedef struct {\
elements\
} type;\
__DECLARE_COMPLEX_STRUCT(type)
/* Those typdefs clash with windows.h */
/* i.e. this file cannot be included aside windows.h */
__ANY(__DECLARE_IEC_TYPE)
typedef struct {
__IEC_BOOL_t state; // current step state. 0 : inative, 1: active
BOOL prev_state; // previous step state. 0 : inative, 1: active
TIME elapsed_time; // time since step is active
} STEP;
typedef struct {
BOOL stored; // action storing state. 0 : not stored, 1: stored
BOOL state; // current action state. 0 : inative, 1: active
BOOL set; // set have been requested (reset each time the body is evaluated)
BOOL reset; // reset have been requested (reset each time the body is evaluated)
TIME set_remaining_time; // time before set will be requested
TIME reset_remaining_time; // time before reset will be requested
} ACTION;
/* Extra debug types for SFC */
#define __ANY_SFC(DO) DO(STEP) DO(TRANSITION) DO(ACTION)
/* Enumerate native types */
#define __decl_enum_type(TYPENAME) TYPENAME##_ENUM,
#define __decl_enum_pointer(TYPENAME) TYPENAME##_P_ENUM,
#define __decl_enum_output(TYPENAME) TYPENAME##_O_ENUM,
typedef enum{
__ANY(__decl_enum_type)
__ANY(__decl_enum_pointer)
__ANY(__decl_enum_output)
/* SFC specific types are never external or global */
UNKNOWN_ENUM
} __IEC_types_enum;
/* Get size of type from its number */
#define __decl_size_case(TYPENAME) \
case TYPENAME##_ENUM:\
case TYPENAME##_O_ENUM:\
case TYPENAME##_P_ENUM:\
return sizeof(TYPENAME);
static inline USINT __get_type_enum_size(__IEC_types_enum t){
switch(t){
__ANY(__decl_size_case)
/* size do not correspond to real struct.
* only a bool is used to represent state*/
default:
return 0;
}
return 0;
}
#endif /*IEC_TYPES_ALL_H*/