Janne Blomqvist
parent
92cbdb6845
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a2f560d05c
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/* Copyright (C) 2009
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Free Software Foundation, Inc.
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Contributed by Janne Blomqvist
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This file is part of the GNU Fortran runtime library (libgfortran).
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Libgfortran is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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Libgfortran is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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#include "io.h"
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#ifndef GFOR_FBUF_H
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#define GFOR_FBUF_H
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/* Formatting buffer. This is a temporary scratch buffer used by
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formatted read and writes. After every formatted I/O statement,
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this buffer is flushed. This buffer is needed since not all devices
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are seekable, and T or TL edit descriptors require moving backwards
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in the record. However, advance='no' complicates the situation, so
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the buffer must only be partially flushed from the end of the last
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flush until the current position in the record. */
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struct fbuf
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{
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char *buf; /* Start of buffer. */
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int len; /* Length of buffer. */
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int act; /* Active bytes in buffer. */
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int pos; /* Current position in buffer. */
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};
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extern void fbuf_init (gfc_unit *, int);
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internal_proto(fbuf_init);
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extern void fbuf_destroy (gfc_unit *);
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internal_proto(fbuf_destroy);
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extern int fbuf_reset (gfc_unit *);
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internal_proto(fbuf_reset);
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extern char * fbuf_alloc (gfc_unit *, int);
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internal_proto(fbuf_alloc);
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extern int fbuf_flush (gfc_unit *, unit_mode);
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internal_proto(fbuf_flush);
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extern int fbuf_seek (gfc_unit *, int, int);
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internal_proto(fbuf_seek);
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extern char * fbuf_read (gfc_unit *, int *);
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internal_proto(fbuf_read);
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/* Never call this function, only use fbuf_getc(). */
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extern int fbuf_getc_refill (gfc_unit *);
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internal_proto(fbuf_getc_refill);
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static inline int
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fbuf_getc (gfc_unit * u)
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{
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if (u->fbuf->pos < u->fbuf->act)
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return (unsigned char) u->fbuf->buf[u->fbuf->pos++];
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return fbuf_getc_refill (u);
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}
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#endif
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@ -0,0 +1,118 @@
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/* Copyright (C) 2009
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Free Software Foundation, Inc.
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Contributed by Janne Blomqvist
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This file is part of the GNU Fortran runtime library (libgfortran).
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Libgfortran is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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Libgfortran is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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#include "io.h"
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#ifndef GFOR_FORMAT_H
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#define GFOR_FORMAT_H
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/* Format tokens. Only about half of these can be stored in the
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format nodes. */
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typedef enum
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{
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FMT_NONE = 0, FMT_UNKNOWN, FMT_SIGNED_INT, FMT_ZERO, FMT_POSINT, FMT_PERIOD,
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FMT_COMMA, FMT_COLON, FMT_SLASH, FMT_DOLLAR, FMT_T, FMT_TR, FMT_TL,
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FMT_LPAREN, FMT_RPAREN, FMT_X, FMT_S, FMT_SS, FMT_SP, FMT_STRING,
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FMT_BADSTRING, FMT_P, FMT_I, FMT_B, FMT_BN, FMT_BZ, FMT_O, FMT_Z, FMT_F,
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FMT_E, FMT_EN, FMT_ES, FMT_G, FMT_L, FMT_A, FMT_D, FMT_H, FMT_END, FMT_DC,
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FMT_DP, FMT_STAR, FMT_RC, FMT_RD, FMT_RN, FMT_RP, FMT_RU, FMT_RZ
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}
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format_token;
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/* Format nodes. A format string is converted into a tree of these
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structures, which is traversed as part of a data transfer statement. */
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struct fnode
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{
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format_token format;
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int repeat;
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struct fnode *next;
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char *source;
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union
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{
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struct
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{
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int w, d, e;
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}
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real;
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struct
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{
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int length;
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char *p;
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}
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string;
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struct
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{
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int w, m;
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}
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integer;
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int w;
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int k;
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int r;
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int n;
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struct fnode *child;
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}
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u;
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/* Members for traversing the tree during data transfer. */
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int count;
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struct fnode *current;
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};
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extern void parse_format (st_parameter_dt *);
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internal_proto(parse_format);
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extern const fnode *next_format (st_parameter_dt *);
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internal_proto(next_format);
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extern void unget_format (st_parameter_dt *, const fnode *);
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internal_proto(unget_format);
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extern void format_error (st_parameter_dt *, const fnode *, const char *);
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internal_proto(format_error);
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extern void free_format_data (struct format_data *);
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internal_proto(free_format_data);
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extern void free_format_hash_table (gfc_unit *);
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internal_proto(free_format_hash_table);
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extern void init_format_hash (st_parameter_dt *);
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internal_proto(init_format_hash);
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extern void free_format_hash (st_parameter_dt *);
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internal_proto(free_format_hash);
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#endif
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@ -0,0 +1,169 @@
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/* Copyright (C) 2009
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Free Software Foundation, Inc.
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Contributed by Janne Blomqvist
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This file is part of the GNU Fortran runtime library (libgfortran).
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Libgfortran is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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Libgfortran is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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#include "io.h"
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#ifndef GFOR_UNIX_H
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#define GFOR_UNIX_H
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struct stream
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{
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ssize_t (*read) (struct stream *, void *, ssize_t);
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ssize_t (*write) (struct stream *, const void *, ssize_t);
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off_t (*seek) (struct stream *, off_t, int);
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off_t (*tell) (struct stream *);
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/* Avoid keyword truncate due to AIX namespace collision. */
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int (*trunc) (struct stream *, off_t);
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int (*flush) (struct stream *);
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int (*close) (struct stream *);
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};
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/* Inline functions for doing file I/O given a stream. */
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static inline ssize_t
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sread (stream * s, void * buf, ssize_t nbyte)
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{
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return s->read (s, buf, nbyte);
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}
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static inline ssize_t
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swrite (stream * s, const void * buf, ssize_t nbyte)
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{
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return s->write (s, buf, nbyte);
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}
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static inline off_t
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sseek (stream * s, off_t offset, int whence)
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{
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return s->seek (s, offset, whence);
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}
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static inline off_t
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stell (stream * s)
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{
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return s->tell (s);
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}
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static inline int
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struncate (stream * s, off_t length)
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{
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return s->trunc (s, length);
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}
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static inline int
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sflush (stream * s)
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{
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return s->flush (s);
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}
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static inline int
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sclose (stream * s)
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{
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return s->close (s);
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}
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extern int compare_files (stream *, stream *);
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internal_proto(compare_files);
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extern stream *open_external (st_parameter_open *, unit_flags *);
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internal_proto(open_external);
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extern stream *open_internal (char *, int, gfc_offset);
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internal_proto(open_internal);
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extern char * mem_alloc_w (stream *, int *);
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internal_proto(mem_alloc_w);
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extern char * mem_alloc_r (stream *, int *);
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internal_proto(mem_alloc_w);
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extern stream *input_stream (void);
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internal_proto(input_stream);
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extern stream *output_stream (void);
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internal_proto(output_stream);
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extern stream *error_stream (void);
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internal_proto(error_stream);
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extern int compare_file_filename (gfc_unit *, const char *, int);
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internal_proto(compare_file_filename);
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extern gfc_unit *find_file (const char *file, gfc_charlen_type file_len);
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internal_proto(find_file);
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extern int delete_file (gfc_unit *);
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internal_proto(delete_file);
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extern int file_exists (const char *file, gfc_charlen_type file_len);
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internal_proto(file_exists);
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extern const char *inquire_sequential (const char *, int);
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internal_proto(inquire_sequential);
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extern const char *inquire_direct (const char *, int);
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internal_proto(inquire_direct);
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extern const char *inquire_formatted (const char *, int);
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internal_proto(inquire_formatted);
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extern const char *inquire_unformatted (const char *, int);
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internal_proto(inquire_unformatted);
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extern const char *inquire_read (const char *, int);
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internal_proto(inquire_read);
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extern const char *inquire_write (const char *, int);
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internal_proto(inquire_write);
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extern const char *inquire_readwrite (const char *, int);
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internal_proto(inquire_readwrite);
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extern gfc_offset file_length (stream *);
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internal_proto(file_length);
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extern int is_seekable (stream *);
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internal_proto(is_seekable);
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extern int is_special (stream *);
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internal_proto(is_special);
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extern void flush_if_preconnected (stream *);
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internal_proto(flush_if_preconnected);
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extern void empty_internal_buffer(stream *);
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internal_proto(empty_internal_buffer);
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extern int stream_isatty (stream *);
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internal_proto(stream_isatty);
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extern char * stream_ttyname (stream *);
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internal_proto(stream_ttyname);
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extern int unpack_filename (char *, const char *, int);
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internal_proto(unpack_filename);
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#endif
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