-/* Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007
+/* Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008
Free Software Foundation, Inc.
Contributed by Andy Vaught
+ F2003 I/O support contributed by Jerry DeLisle
This file is part of the GNU Fortran 95 runtime library (libgfortran).
/* IO library include. */
-#include <setjmp.h>
#include "libgfortran.h"
+#include <setjmp.h>
#include <gthr.h>
/* Basic types used in data transfers. */
}
bt;
-
struct st_parameter_dt;
typedef struct stream
{
- char *(*alloc_w_at) (struct stream *, int *, gfc_offset);
- char *(*alloc_r_at) (struct stream *, int *, gfc_offset);
+ char *(*alloc_w_at) (struct stream *, int *);
try (*sfree) (struct stream *);
try (*close) (struct stream *);
try (*seek) (struct stream *, gfc_offset);
}
stream;
+typedef enum
+{ SYNC_BUFFERED, SYNC_UNBUFFERED, ASYNC }
+io_mode;
/* Macros for doing file I/O given a stream. */
#define sfree(s) ((s)->sfree)(s)
#define sclose(s) ((s)->close)(s)
-#define salloc_r(s, len) ((s)->alloc_r_at)(s, len, -1)
-#define salloc_w(s, len) ((s)->alloc_w_at)(s, len, -1)
-
-#define salloc_r_at(s, len, where) ((s)->alloc_r_at)(s, len, where)
-#define salloc_w_at(s, len, where) ((s)->alloc_w_at)(s, len, where)
+#define salloc_w(s, len) ((s)->alloc_w_at)(s, len)
#define sseek(s, pos) ((s)->seek)(s, pos)
#define struncate(s) ((s)->trunc)(s)
unit_pad;
typedef enum
+{ DECIMAL_POINT, DECIMAL_COMMA, DECIMAL_UNSPECIFIED }
+unit_decimal;
+
+typedef enum
+{ ENCODING_UTF8, ENCODING_DEFAULT, ENCODING_UNSPECIFIED }
+unit_encoding;
+
+typedef enum
+{ ROUND_UP, ROUND_DOWN, ROUND_ZERO, ROUND_NEAREST, ROUND_COMPATIBLE,
+ ROUND_PROCDEFINED, ROUND_UNSPECIFIED }
+unit_round;
+
+/* NOTE: unit_sign must correspond with the sign_status enumerator in
+ st_parameter_dt to not break the ABI. */
+typedef enum
+{ SIGN_PROCDEFINED, SIGN_SUPPRESS, SIGN_PLUS, SIGN_UNSPECIFIED }
+unit_sign;
+
+typedef enum
{ ADVANCE_YES, ADVANCE_NO, ADVANCE_UNSPECIFIED }
unit_advance;
{READING, WRITING}
unit_mode;
+typedef enum
+{ ASYNC_YES, ASYNC_NO, ASYNC_UNSPECIFIED }
+unit_async;
+
+typedef enum
+{ SIGN_S, SIGN_SS, SIGN_SP }
+unit_sign_s;
+
#define CHARACTER1(name) \
char * name; \
gfc_charlen_type name ## _len
CHARACTER1 (delim);
CHARACTER2 (pad);
CHARACTER1 (convert);
+ CHARACTER2 (decimal);
+ CHARACTER1 (encoding);
+ CHARACTER2 (round);
+ CHARACTER1 (sign);
+ CHARACTER2 (asynchronous);
}
st_parameter_open;
#define IOPARM_INQUIRE_HAS_WRITE (1 << 28)
#define IOPARM_INQUIRE_HAS_READWRITE (1 << 29)
#define IOPARM_INQUIRE_HAS_CONVERT (1 << 30)
+#define IOPARM_INQUIRE_HAS_FLAGS2 (1 << 31)
+
+#define IOPARM_INQUIRE_HAS_ASYNCHRONOUS (1 << 0)
+#define IOPARM_INQUIRE_HAS_DECIMAL (1 << 1)
+#define IOPARM_INQUIRE_HAS_ENCODING (1 << 2)
+#define IOPARM_INQUIRE_HAS_PENDING (1 << 3)
+#define IOPARM_INQUIRE_HAS_ROUND (1 << 4)
+#define IOPARM_INQUIRE_HAS_SIGN (1 << 5)
+#define IOPARM_INQUIRE_HAS_SIZE (1 << 6)
+#define IOPARM_INQUIRE_HAS_ID (1 << 7)
typedef struct
{
CHARACTER1 (write);
CHARACTER2 (readwrite);
CHARACTER1 (convert);
+ GFC_INTEGER_4 flags2;
+ CHARACTER1 (asynchronous);
+ CHARACTER2 (decimal);
+ CHARACTER1 (encoding);
+ CHARACTER2 (pending);
+ CHARACTER1 (round);
+ CHARACTER2 (sign);
+ GFC_INTEGER_4 *size;
+ GFC_INTEGER_4 *id;
}
st_parameter_inquire;
#define IOPARM_DT_HAS_ADVANCE (1 << 13)
#define IOPARM_DT_HAS_INTERNAL_UNIT (1 << 14)
#define IOPARM_DT_HAS_NAMELIST_NAME (1 << 15)
+#define IOPARM_DT_HAS_ID (1 << 16)
+#define IOPARM_DT_HAS_POS (1 << 17)
+#define IOPARM_DT_HAS_ASYNCHRONOUS (1 << 18)
+#define IOPARM_DT_HAS_BLANK (1 << 19)
+#define IOPARM_DT_HAS_DECIMAL (1 << 20)
+#define IOPARM_DT_HAS_DELIM (1 << 21)
+#define IOPARM_DT_HAS_PAD (1 << 22)
+#define IOPARM_DT_HAS_ROUND (1 << 23)
+#define IOPARM_DT_HAS_SIGN (1 << 24)
+#define IOPARM_DT_HAS_F2003 (1 << 25)
/* Internal use bit. */
#define IOPARM_DT_IONML_SET (1 << 31)
+
+typedef struct st_parameter_43
+{
+ void (*transfer) (struct st_parameter_dt *, bt, void *, int,
+ size_t, size_t);
+ struct gfc_unit *current_unit;
+ /* Item number in a formatted data transfer. Also used in namelist
+ read_logical as an index into line_buffer. */
+ int item_count;
+ unit_mode mode;
+ unit_blank blank_status;
+ unit_sign sign_status;
+ int scale_factor;
+ int max_pos; /* Maximum righthand column written to. */
+ /* Number of skips + spaces to be done for T and X-editing. */
+ int skips;
+ /* Number of spaces to be done for T and X-editing. */
+ int pending_spaces;
+ /* Whether an EOR condition was encountered. Value is:
+ 0 if no EOR was encountered
+ 1 if an EOR was encountered due to a 1-byte marker (LF)
+ 2 if an EOR was encountered due to a 2-bytes marker (CRLF) */
+ int sf_seen_eor;
+ unit_advance advance_status;
+ unsigned reversion_flag : 1; /* Format reversion has occurred. */
+ unsigned first_item : 1;
+ unsigned seen_dollar : 1;
+ unsigned eor_condition : 1;
+ unsigned no_leading_blank : 1;
+ unsigned char_flag : 1;
+ unsigned input_complete : 1;
+ unsigned at_eol : 1;
+ unsigned comma_flag : 1;
+ /* A namelist specific flag used in the list directed library
+ to flag that calls are being made from namelist read (eg. to
+ ignore comments or to treat '/' as a terminator) */
+ unsigned namelist_mode : 1;
+ /* A namelist specific flag used in the list directed library
+ to flag read errors and return, so that an attempt can be
+ made to read a new object name. */
+ unsigned nml_read_error : 1;
+ /* A sequential formatted read specific flag used to signal that a
+ character string is being read so don't use commas to shorten a
+ formatted field width. */
+ unsigned sf_read_comma : 1;
+ /* A namelist specific flag used to enable reading input from
+ line_buffer for logical reads. */
+ unsigned line_buffer_enabled : 1;
+ /* An internal unit specific flag used to identify that the associated
+ unit is internal. */
+ unsigned unit_is_internal : 1;
+ /* An internal unit specific flag to signify an EOF condition for list
+ directed read. */
+ unsigned at_eof : 1;
+ /* 16 unused bits. */
+
+ char last_char;
+ char nml_delim;
+
+ int repeat_count;
+ int saved_length;
+ int saved_used;
+ bt saved_type;
+ char *saved_string;
+ char *scratch;
+ char *line_buffer;
+ struct format_data *fmt;
+ jmp_buf *eof_jump;
+ namelist_info *ionml;
+ /* A flag used to identify when a non-standard expanded namelist read
+ has occurred. */
+ int expanded_read;
+ /* Storage area for values except for strings. Must be large
+ enough to hold a complex value (two reals) of the largest
+ kind. */
+ char value[32];
+ gfc_offset size_used;
+} st_parameter_43;
+
+
+typedef struct st_parameter_44
+{
+ GFC_IO_INT *id;
+ GFC_IO_INT pos;
+ CHARACTER1 (asynchronous);
+ CHARACTER2 (blank);
+ CHARACTER1 (decimal);
+ CHARACTER2 (delim);
+ CHARACTER1 (pad);
+ CHARACTER2 (round);
+ CHARACTER1 (sign);
+ void (*transfer) (struct st_parameter_dt *, bt, void *, int,
+ size_t, size_t);
+ struct gfc_unit *current_unit;
+ /* Item number in a formatted data transfer. Also used in namelist
+ read_logical as an index into line_buffer. */
+ int item_count;
+ unit_mode mode;
+ unit_blank blank_status;
+ unit_sign sign_status;
+ int scale_factor;
+ int max_pos; /* Maximum righthand column written to. */
+ /* Number of skips + spaces to be done for T and X-editing. */
+ int skips;
+ /* Number of spaces to be done for T and X-editing. */
+ int pending_spaces;
+ /* Whether an EOR condition was encountered. Value is:
+ 0 if no EOR was encountered
+ 1 if an EOR was encountered due to a 1-byte marker (LF)
+ 2 if an EOR was encountered due to a 2-bytes marker (CRLF) */
+ int sf_seen_eor;
+ unit_advance advance_status;
+ unsigned reversion_flag : 1; /* Format reversion has occurred. */
+ unsigned first_item : 1;
+ unsigned seen_dollar : 1;
+ unsigned eor_condition : 1;
+ unsigned no_leading_blank : 1;
+ unsigned char_flag : 1;
+ unsigned input_complete : 1;
+ unsigned at_eol : 1;
+ unsigned comma_flag : 1;
+ /* A namelist specific flag used in the list directed library
+ to flag that calls are being made from namelist read (eg. to
+ ignore comments or to treat '/' as a terminator) */
+ unsigned namelist_mode : 1;
+ /* A namelist specific flag used in the list directed library
+ to flag read errors and return, so that an attempt can be
+ made to read a new object name. */
+ unsigned nml_read_error : 1;
+ /* A sequential formatted read specific flag used to signal that a
+ character string is being read so don't use commas to shorten a
+ formatted field width. */
+ unsigned sf_read_comma : 1;
+ /* A namelist specific flag used to enable reading input from
+ line_buffer for logical reads. */
+ unsigned line_buffer_enabled : 1;
+ /* An internal unit specific flag used to identify that the associated
+ unit is internal. */
+ unsigned unit_is_internal : 1;
+ /* An internal unit specific flag to signify an EOF condition for list
+ directed read. */
+ unsigned at_eof : 1;
+ /* 16 unused bits. */
+
+ char last_char;
+ char nml_delim;
+
+ int repeat_count;
+ int saved_length;
+ int saved_used;
+ bt saved_type;
+ char *saved_string;
+ char *scratch;
+ char *line_buffer;
+ struct format_data *fmt;
+ jmp_buf *eof_jump;
+ namelist_info *ionml;
+ /* A flag used to identify when a non-standard expanded namelist read
+ has occurred. */
+ int expanded_read;
+ /* Storage area for values except for strings. Must be large
+ enough to hold a complex value (two reals) of the largest
+ kind. */
+ char value[32];
+ gfc_offset size_used;
+ unit_pad pad_status;
+ unit_decimal decimal_status;
+ unit_delim delim_status;
+} st_parameter_44;
+
typedef struct st_parameter_dt
{
st_parameter_common common;
to reserve enough space. */
union
{
- struct
- {
- void (*transfer) (struct st_parameter_dt *, bt, void *, int,
- size_t, size_t);
- struct gfc_unit *current_unit;
- /* Item number in a formatted data transfer. Also used in namelist
- read_logical as an index into line_buffer. */
- int item_count;
- unit_mode mode;
- unit_blank blank_status;
- enum {SIGN_S, SIGN_SS, SIGN_SP} sign_status;
- int scale_factor;
- int max_pos; /* Maximum righthand column written to. */
- /* Number of skips + spaces to be done for T and X-editing. */
- int skips;
- /* Number of spaces to be done for T and X-editing. */
- int pending_spaces;
- /* Whether an EOR condition was encountered. Value is:
- 0 if no EOR was encountered
- 1 if an EOR was encountered due to a 1-byte marker (LF)
- 2 if an EOR was encountered due to a 2-bytes marker (CRLF) */
- int sf_seen_eor;
- unit_advance advance_status;
-
- unsigned reversion_flag : 1; /* Format reversion has occurred. */
- unsigned first_item : 1;
- unsigned seen_dollar : 1;
- unsigned eor_condition : 1;
- unsigned no_leading_blank : 1;
- unsigned char_flag : 1;
- unsigned input_complete : 1;
- unsigned at_eol : 1;
- unsigned comma_flag : 1;
- /* A namelist specific flag used in the list directed library
- to flag that calls are being made from namelist read (eg. to
- ignore comments or to treat '/' as a terminator) */
- unsigned namelist_mode : 1;
- /* A namelist specific flag used in the list directed library
- to flag read errors and return, so that an attempt can be
- made to read a new object name. */
- unsigned nml_read_error : 1;
- /* A sequential formatted read specific flag used to signal that a
- character string is being read so don't use commas to shorten a
- formatted field width. */
- unsigned sf_read_comma : 1;
- /* A namelist specific flag used to enable reading input from
- line_buffer for logical reads. */
- unsigned line_buffer_enabled : 1;
- /* An internal unit specific flag used to identify that the associated
- unit is internal. */
- unsigned unit_is_internal : 1;
- /* An internal unit specific flag to signify an EOF condition for list
- directed read. */
- unsigned at_eof : 1;
- /* 16 unused bits. */
-
- char last_char;
- char nml_delim;
-
- int repeat_count;
- int saved_length;
- int saved_used;
- bt saved_type;
- char *saved_string;
- char *scratch;
- char *line_buffer;
- struct format_data *fmt;
- jmp_buf *eof_jump;
- namelist_info *ionml;
- /* A flag used to identify when a non-standard expanded namelist read
- has occurred. */
- int expanded_read;
- /* Storage area for values except for strings. Must be large
- enough to hold a complex value (two reals) of the largest
- kind. */
- char value[32];
- gfc_offset size_used;
- } p;
+ st_parameter_43 q;
+ st_parameter_44 p;
/* This pad size must be equal to the pad_size declared in
trans-io.c (gfc_build_io_library_fndecls). The above structure
must be smaller or equal to this array. */
- char pad[16 * sizeof (char *) + 32 * sizeof (int)];
+ char pad[32 * sizeof (char *) + 32 * sizeof (int)];
} u;
}
st_parameter_dt;
>= sizeof (((st_parameter_dt *) 0)->u.p)
? 1 : -1];
+#define IOPARM_WAIT_HAS_ID (1 << 7)
+
+typedef struct
+{
+ st_parameter_common common;
+ CHARACTER1 (id);
+}
+st_parameter_wait;
+
+
#undef CHARACTER1
#undef CHARACTER2
unit_pad pad;
unit_convert convert;
int has_recl;
+ unit_decimal decimal;
+ unit_encoding encoding;
+ unit_round round;
+ unit_sign sign;
+ unit_async async;
}
unit_flags;
+/* Formatting buffer. This is a temporary scratch buffer. Currently used only
+ by formatted writes. After every
+ formatted write statement, this buffer is flushed. This buffer is needed since
+ not all devices are seekable, and T or TL edit descriptors require
+ moving backwards in the record. However, advance='no' complicates the
+ situation, so the buffer must only be partially flushed from the end of the
+ last flush until the current position in the record. */
+
+typedef struct fbuf
+{
+ char *buf; /* Start of buffer. */
+ size_t len; /* Length of buffer. */
+ size_t act; /* Active bytes in buffer. */
+ size_t flushed; /* Flushed bytes from beginning of buffer. */
+ size_t pos; /* Current position in buffer. */
+}
+fbuf;
+
+
typedef struct gfc_unit
{
int unit_number;
struct gfc_unit *left, *right;
int priority;
- int read_bad, current_record, saved_pos;
+ int read_bad, current_record, saved_pos, previous_nonadvancing_write;
+
enum
{ NO_ENDFILE, AT_ENDFILE, AFTER_ENDFILE }
endfile;
int file_len;
char *file;
+
+ /* Formatting buffer. */
+ struct fbuf *fbuf;
}
gfc_unit;
FMT_COMMA, FMT_COLON, FMT_SLASH, FMT_DOLLAR, FMT_T, FMT_TR, FMT_TL,
FMT_LPAREN, FMT_RPAREN, FMT_X, FMT_S, FMT_SS, FMT_SP, FMT_STRING,
FMT_BADSTRING, FMT_P, FMT_I, FMT_B, FMT_BN, FMT_BZ, FMT_O, FMT_Z, FMT_F,
- FMT_E, FMT_EN, FMT_ES, FMT_G, FMT_L, FMT_A, FMT_D, FMT_H, FMT_END
+ FMT_E, FMT_EN, FMT_ES, FMT_G, FMT_L, FMT_A, FMT_D, FMT_H, FMT_END, FMT_DC,
+ FMT_DP
}
format_token;
extern stream *open_external (st_parameter_open *, unit_flags *);
internal_proto(open_external);
-extern stream *open_internal (char *, int);
+extern stream *open_internal (char *, int, gfc_offset);
internal_proto(open_internal);
extern stream *input_stream (void);
extern void update_position (gfc_unit *);
internal_proto(update_position);
+extern void finish_last_advance_record (gfc_unit *u);
+internal_proto (finish_last_advance_record);
+
/* open.c */
extern gfc_unit *new_unit (st_parameter_open *, gfc_unit *, unit_flags *);
extern const char *type_name (bt);
internal_proto(type_name);
-extern void *read_block (st_parameter_dt *, int *);
-internal_proto(read_block);
+extern try read_block_form (st_parameter_dt *, void *, size_t *);
+internal_proto(read_block_form);
extern char *read_sf (st_parameter_dt *, int *, int);
internal_proto(read_sf);
extern void *write_block (st_parameter_dt *, int);
internal_proto(write_block);
-extern gfc_offset next_array_record (st_parameter_dt *, array_loop_spec *);
+extern gfc_offset next_array_record (st_parameter_dt *, array_loop_spec *,
+ int*);
internal_proto(next_array_record);
-extern gfc_offset init_loop_spec (gfc_array_char *, array_loop_spec *);
+extern gfc_offset init_loop_spec (gfc_array_char *, array_loop_spec *,
+ gfc_offset *);
internal_proto(init_loop_spec);
extern void next_record (st_parameter_dt *, int);
extern void reverse_memcpy (void *, const void *, size_t);
internal_proto (reverse_memcpy);
+extern void st_wait (st_parameter_wait *);
+export_proto(st_wait);
+
/* read.c */
extern void set_integer (void *, GFC_INTEGER_LARGEST, int);
extern void read_a (st_parameter_dt *, const fnode *, char *, int);
internal_proto(read_a);
+extern void read_a_char4 (st_parameter_dt *, const fnode *, char *, int);
+internal_proto(read_a);
+
extern void read_f (st_parameter_dt *, const fnode *, char *, int);
internal_proto(read_f);
extern void write_a (st_parameter_dt *, const fnode *, const char *, int);
internal_proto(write_a);
+extern void write_a_char4 (st_parameter_dt *, const fnode *, const char *, int);
+internal_proto(write_a_char4);
+
extern void write_b (st_parameter_dt *, const fnode *, const char *, int);
internal_proto(write_b);
extern void write_o (st_parameter_dt *, const fnode *, const char *, int);
internal_proto(write_o);
+extern void write_real (st_parameter_dt *, const char *, int);
+internal_proto(write_real);
+
+extern void write_real_g0 (st_parameter_dt *, const char *, int, int);
+internal_proto(write_real_g0);
+
extern void write_x (st_parameter_dt *, int, int);
internal_proto(write_x);
extern size_t size_from_complex_kind (int);
internal_proto(size_from_complex_kind);
+/* fbuf.c */
+extern void fbuf_init (gfc_unit *, size_t);
+internal_proto(fbuf_init);
+
+extern void fbuf_destroy (gfc_unit *);
+internal_proto(fbuf_destroy);
+
+extern void fbuf_reset (gfc_unit *);
+internal_proto(fbuf_reset);
+
+extern char * fbuf_alloc (gfc_unit *, size_t);
+internal_proto(fbuf_alloc);
+
+extern int fbuf_flush (gfc_unit *, int);
+internal_proto(fbuf_flush);
+
+extern int fbuf_seek (gfc_unit *, gfc_offset);
+internal_proto(fbuf_seek);
+
/* lock.c */
extern void free_ionml (st_parameter_dt *);
internal_proto(free_ionml);
OSDN Git Service
