diff options
Diffstat (limited to 'libgfortran/io/io.h')
| -rw-r--r-- | libgfortran/io/io.h | 288 |
1 files changed, 7 insertions, 281 deletions
diff --git a/libgfortran/io/io.h b/libgfortran/io/io.h index 51143f5..b24f810 100644 --- a/libgfortran/io/io.h +++ b/libgfortran/io/io.h @@ -42,63 +42,13 @@ typedef enum } bt; +/* Forward declarations. */ struct st_parameter_dt; - -typedef struct stream -{ - ssize_t (*read) (struct stream *, void *, ssize_t); - ssize_t (*write) (struct stream *, const void *, ssize_t); - off_t (*seek) (struct stream *, off_t, int); - off_t (*tell) (struct stream *); - /* Avoid keyword truncate due to AIX namespace collision. */ - int (*trunc) (struct stream *, off_t); - int (*flush) (struct stream *); - int (*close) (struct stream *); -} -stream; - -/* Inline functions for doing file I/O given a stream. */ -static inline ssize_t -sread (stream * s, void * buf, ssize_t nbyte) -{ - return s->read (s, buf, nbyte); -} - -static inline ssize_t -swrite (stream * s, const void * buf, ssize_t nbyte) -{ - return s->write (s, buf, nbyte); -} - -static inline off_t -sseek (stream * s, off_t offset, int whence) -{ - return s->seek (s, offset, whence); -} - -static inline off_t -stell (stream * s) -{ - return s->tell (s); -} - -static inline int -struncate (stream * s, off_t length) -{ - return s->trunc (s, length); -} - -static inline int -sflush (stream * s) -{ - return s->flush (s); -} - -static inline int -sclose (stream * s) -{ - return s->close (s); -} +typedef struct stream stream; +struct fbuf; +struct format_data; +typedef struct fnode fnode; +struct gfc_unit; /* Macros for testing what kinds of I/O we are doing. */ @@ -131,7 +81,7 @@ array_loop_spec; /* A stucture to build a hash table for format data. */ -#define FORMAT_HASH_SIZE 16 +#define FORMAT_HASH_SIZE 16 typedef struct format_hash_entry { @@ -386,8 +336,6 @@ typedef struct } st_parameter_inquire; -struct gfc_unit; -struct format_data; #define IOPARM_DT_LIST_FORMAT (1 << 7) #define IOPARM_DT_NAMELIST_READ_MODE (1 << 8) @@ -564,24 +512,6 @@ typedef struct 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. */ - int len; /* Length of buffer. */ - int act; /* Active bytes in buffer. */ - int pos; /* Current position in buffer. */ -} -fbuf; - - typedef struct gfc_unit { int unit_number; @@ -645,152 +575,6 @@ typedef struct gfc_unit } gfc_unit; -/* Format tokens. Only about half of these can be stored in the - format nodes. */ - -typedef enum -{ - FMT_NONE = 0, FMT_UNKNOWN, FMT_SIGNED_INT, FMT_ZERO, FMT_POSINT, FMT_PERIOD, - 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_DC, - FMT_DP, FMT_STAR, FMT_RC, FMT_RD, FMT_RN, FMT_RP, FMT_RU, FMT_RZ -} -format_token; - - -/* Format nodes. A format string is converted into a tree of these - structures, which is traversed as part of a data transfer statement. */ - -typedef struct fnode -{ - format_token format; - int repeat; - struct fnode *next; - char *source; - - union - { - struct - { - int w, d, e; - } - real; - - struct - { - int length; - char *p; - } - string; - - struct - { - int w, m; - } - integer; - - int w; - int k; - int r; - int n; - - struct fnode *child; - } - u; - - /* Members for traversing the tree during data transfer. */ - - int count; - struct fnode *current; - -} -fnode; - - -/* unix.c */ - -extern int compare_files (stream *, stream *); -internal_proto(compare_files); - -extern stream *open_external (st_parameter_open *, unit_flags *); -internal_proto(open_external); - -extern stream *open_internal (char *, int, gfc_offset); -internal_proto(open_internal); - -extern char * mem_alloc_w (stream *, int *); -internal_proto(mem_alloc_w); - -extern char * mem_alloc_r (stream *, int *); -internal_proto(mem_alloc_w); - -extern stream *input_stream (void); -internal_proto(input_stream); - -extern stream *output_stream (void); -internal_proto(output_stream); - -extern stream *error_stream (void); -internal_proto(error_stream); - -extern int compare_file_filename (gfc_unit *, const char *, int); -internal_proto(compare_file_filename); - -extern gfc_unit *find_file (const char *file, gfc_charlen_type file_len); -internal_proto(find_file); - -extern int delete_file (gfc_unit *); -internal_proto(delete_file); - -extern int file_exists (const char *file, gfc_charlen_type file_len); -internal_proto(file_exists); - -extern const char *inquire_sequential (const char *, int); -internal_proto(inquire_sequential); - -extern const char *inquire_direct (const char *, int); -internal_proto(inquire_direct); - -extern const char *inquire_formatted (const char *, int); -internal_proto(inquire_formatted); - -extern const char *inquire_unformatted (const char *, int); -internal_proto(inquire_unformatted); - -extern const char *inquire_read (const char *, int); -internal_proto(inquire_read); - -extern const char *inquire_write (const char *, int); -internal_proto(inquire_write); - -extern const char *inquire_readwrite (const char *, int); -internal_proto(inquire_readwrite); - -extern gfc_offset file_length (stream *); -internal_proto(file_length); - -extern int is_seekable (stream *); -internal_proto(is_seekable); - -extern int is_special (stream *); -internal_proto(is_special); - -extern void flush_if_preconnected (stream *); -internal_proto(flush_if_preconnected); - -extern void empty_internal_buffer(stream *); -internal_proto(empty_internal_buffer); - -extern int stream_isatty (stream *); -internal_proto(stream_isatty); - -extern char * stream_ttyname (stream *); -internal_proto(stream_ttyname); - -extern int unpack_filename (char *, const char *, int); -internal_proto(unpack_filename); /* unit.c */ @@ -847,31 +631,6 @@ internal_proto(get_unique_unit_number); extern gfc_unit *new_unit (st_parameter_open *, gfc_unit *, unit_flags *); internal_proto(new_unit); -/* format.c */ - -extern void parse_format (st_parameter_dt *); -internal_proto(parse_format); - -extern const fnode *next_format (st_parameter_dt *); -internal_proto(next_format); - -extern void unget_format (st_parameter_dt *, const fnode *); -internal_proto(unget_format); - -extern void format_error (st_parameter_dt *, const fnode *, const char *); -internal_proto(format_error); - -extern void free_format_data (struct format_data *); -internal_proto(free_format_data); - -extern void free_format_hash_table (gfc_unit *); -internal_proto(free_format_hash_table); - -extern void init_format_hash (st_parameter_dt *); -internal_proto(init_format_hash); - -extern void free_format_hash (st_parameter_dt *); -internal_proto(free_format_hash); /* transfer.c */ @@ -1014,39 +773,6 @@ internal_proto(size_from_real_kind); extern size_t size_from_complex_kind (int); internal_proto(size_from_complex_kind); -/* fbuf.c */ -extern void fbuf_init (gfc_unit *, int); -internal_proto(fbuf_init); - -extern void fbuf_destroy (gfc_unit *); -internal_proto(fbuf_destroy); - -extern int fbuf_reset (gfc_unit *); -internal_proto(fbuf_reset); - -extern char * fbuf_alloc (gfc_unit *, int); -internal_proto(fbuf_alloc); - -extern int fbuf_flush (gfc_unit *, unit_mode); -internal_proto(fbuf_flush); - -extern int fbuf_seek (gfc_unit *, int, int); -internal_proto(fbuf_seek); - -extern char * fbuf_read (gfc_unit *, int *); -internal_proto(fbuf_read); - -/* Never call this function, only use fbuf_getc(). */ -extern int fbuf_getc_refill (gfc_unit *); -internal_proto(fbuf_getc_refill); - -static inline int -fbuf_getc (gfc_unit * u) -{ - if (u->fbuf->pos < u->fbuf->act) - return (unsigned char) u->fbuf->buf[u->fbuf->pos++]; - return fbuf_getc_refill (u); -} /* lock.c */ extern void free_ionml (st_parameter_dt *); |