gcc/libchill/iomodes.h

260 lines
6.2 KiB
C

/* Implement Input/Output runtime actions for CHILL.
Copyright (C) 1992,1993 Free Software Foundation, Inc.
Author: Wilfried Moser, et al
This file is part of GNU CC.
GNU CC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU CC 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU CC; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/* As a special exception, if you link this library with other files,
some of which are compiled with GCC, to produce an executable,
this library does not by itself cause the resulting executable
to be covered by the GNU General Public License.
This exception does not however invalidate any other reasons why
the executable file might be covered by the GNU General Public License. */
#ifndef _iomodes_h_
#define _iomodes_h_
#include "auxtypes.h"
typedef enum { ReadOnly, WriteOnly, ReadWrite
} Usage_Mode;
typedef enum { First, Same, Last
} Where_Mode;
typedef enum { None, Fixed, VaryingChars
} Record_t;
/* association flags */
#define IO_ISASSOCIATED 0x00000001
#define IO_EXISTING 0x00000002
#define IO_READABLE 0x00000004
#define IO_WRITEABLE 0x00000008
#define IO_INDEXABLE 0x00000010
#define IO_SEQUENCIBLE 0x00000020
#define IO_VARIABLE 0x00000040
#define IO_FIRSTLINE 0x00000100
#define IO_FORCE_PAGE 0x00000200
struct Access_Mode;
#define READBUFLEN 512
typedef struct
{
unsigned long len;
unsigned long cur;
char buf[READBUFLEN];
} readbuf_t;
typedef struct Association_Mode {
unsigned long flags; /* INIT = 0 */
char* pathname;
struct Access_Mode* access;
int handle;
readbuf_t* bufptr;
long syserrno;
char usage;
char ctl_pre;
char ctl_post;
} Association_Mode;
/*
rectype indexed max. reclength act. reclength
---------------------------------------------------
None T/F 0
Fixed T/F SIZE(recmode) = SIZE(recmode)
Varying F SIZE(recmode) >= length
*/
/* access/text flags */
#define IO_TEXTLOCATION 0x80000000
#define IO_INDEXED 0x00000001
#define IO_TEXTIO 0x00000002
#define IO_OUTOFFILE 0x00010000
typedef struct Access_Mode {
unsigned long flags; /* INIT */
unsigned long reclength; /* INIT */
signed long lowindex; /* INIT */
signed long highindex; /* INIT */
Association_Mode* association;
unsigned long base;
char* store_loc;
Record_t rectype; /* INIT */
} Access_Mode;
typedef struct Text_Mode {
unsigned long flags; /* INIT */
VarString* text_record; /* INIT */
Access_Mode* access_sub; /* INIT */
unsigned long actual_index;
} Text_Mode;
typedef enum
{
__IO_UNUSED,
__IO_ByteVal,
__IO_UByteVal,
__IO_IntVal,
__IO_UIntVal,
__IO_LongVal,
__IO_ULongVal,
__IO_ByteLoc,
__IO_UByteLoc,
__IO_IntLoc,
__IO_UIntLoc,
__IO_LongLoc,
__IO_ULongLoc,
__IO_ByteRangeLoc,
__IO_UByteRangeLoc,
__IO_IntRangeLoc,
__IO_UIntRangeLoc,
__IO_LongRangeLoc,
__IO_ULongRangeLoc,
__IO_BoolVal,
__IO_BoolLoc,
__IO_BoolRangeLoc,
__IO_SetVal,
__IO_SetLoc,
__IO_SetRangeLoc,
__IO_CharVal,
__IO_CharLoc,
__IO_CharRangeLoc,
__IO_CharStrLoc,
__IO_CharVaryingLoc,
__IO_BitStrLoc,
__IO_RealVal,
__IO_RealLoc,
__IO_LongRealVal,
__IO_LongRealLoc
} __tmp_IO_enum;
typedef struct
{
long value;
char* name;
} __tmp_IO_enum_table_type;
typedef struct
{
long value;
__tmp_IO_enum_table_type* name_table;
} __tmp_WIO_set;
typedef struct
{
char* ptr;
long lower;
long upper;
} __tmp_IO_charrange;
typedef union
{
signed long slong;
unsigned long ulong;
} __tmp_IO_long;
typedef struct
{
void* ptr;
__tmp_IO_long lower;
__tmp_IO_long upper;
} __tmp_IO_intrange;
typedef struct
{
void* ptr;
unsigned long lower;
unsigned long upper;
} __tmp_RIO_boolrange;
typedef struct
{
void* ptr;
long length;
__tmp_IO_enum_table_type* name_table;
} __tmp_RIO_set;
typedef struct
{
void* ptr;
long length;
__tmp_IO_enum_table_type* name_table;
unsigned long lower;
unsigned long upper;
} __tmp_RIO_setrange;
typedef struct
{
char* string;
long string_length;
} __tmp_IO_charstring;
typedef union
{
char __valbyte;
unsigned char __valubyte;
short __valint;
unsigned short __valuint;
long __vallong;
unsigned long __valulong;
void* __locint;
__tmp_IO_intrange __locintrange;
unsigned char __valbool;
unsigned char* __locbool;
__tmp_RIO_boolrange __locboolrange;
__tmp_WIO_set __valset;
__tmp_RIO_set __locset;
__tmp_RIO_setrange __locsetrange;
unsigned char __valchar;
unsigned char* __locchar;
__tmp_IO_charrange __loccharrange;
__tmp_IO_charstring __loccharstring;
float __valreal;
float* __locreal;
double __vallongreal;
double* __loclongreal;
} __tmp_IO_union;
/*
* CAUTION: The longest variant of __tmp_IO_union is 5 words long.
* Together with __descr this caters for double alignment where required.
*/
typedef struct
{
__tmp_IO_union __t;
__tmp_IO_enum __descr;
} __tmp_IO_list;
#endif