120 lines
2.9 KiB
C
120 lines
2.9 KiB
C
/* 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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#ifndef GFOR_FORMAT_H
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#define GFOR_FORMAT_H
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#include "io.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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