1 /* Copyright (C) 2009-2013 Free Software Foundation, Inc.
2 Contributed by Janne Blomqvist
4 This file is part of the GNU Fortran runtime library (libgfortran).
6 Libgfortran is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3, or (at your option)
11 Libgfortran is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 Under Section 7 of GPL version 3, you are granted additional
17 permissions described in the GCC Runtime Library Exception, version
18 3.1, as published by the Free Software Foundation.
20 You should have received a copy of the GNU General Public License and
21 a copy of the GCC Runtime Library Exception along with this program;
22 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
23 <http://www.gnu.org/licenses/>. */
31 /* Format tokens. Only about half of these can be stored in the
36 FMT_NONE = 0, FMT_UNKNOWN, FMT_SIGNED_INT, FMT_ZERO, FMT_POSINT, FMT_PERIOD,
37 FMT_COMMA, FMT_COLON, FMT_SLASH, FMT_DOLLAR, FMT_T, FMT_TR, FMT_TL,
38 FMT_LPAREN, FMT_RPAREN, FMT_X, FMT_S, FMT_SS, FMT_SP, FMT_STRING,
39 FMT_BADSTRING, FMT_P, FMT_I, FMT_B, FMT_BN, FMT_BZ, FMT_O, FMT_Z, FMT_F,
40 FMT_E, FMT_EN, FMT_ES, FMT_G, FMT_L, FMT_A, FMT_D, FMT_H, FMT_END, FMT_DC,
41 FMT_DP, FMT_STAR, FMT_RC, FMT_RD, FMT_RN, FMT_RP, FMT_RU, FMT_RZ
46 /* Format nodes. A format string is converted into a tree of these
47 structures, which is traversed as part of a data transfer statement. */
86 /* Members for traversing the tree during data transfer. */
89 struct fnode *current;
94 /* A storage structures for format node data. */
96 #define FARRAY_SIZE 64
98 typedef struct fnode_array
100 struct fnode_array *next;
101 fnode array[FARRAY_SIZE];
106 typedef struct format_data
108 char *format_string, *string;
111 format_token saved_token;
112 int value, format_string_len, reversion_ok;
114 const fnode *saved_format;
120 extern void parse_format (st_parameter_dt *);
121 internal_proto(parse_format);
123 extern const fnode *next_format (st_parameter_dt *);
124 internal_proto(next_format);
126 extern void unget_format (st_parameter_dt *, const fnode *);
127 internal_proto(unget_format);
129 extern void format_error (st_parameter_dt *, const fnode *, const char *);
130 internal_proto(format_error);
132 extern void free_format_data (struct format_data *);
133 internal_proto(free_format_data);
135 extern void free_format_hash_table (gfc_unit *);
136 internal_proto(free_format_hash_table);
138 extern void init_format_hash (st_parameter_dt *);
139 internal_proto(init_format_hash);
141 extern void free_format_hash (st_parameter_dt *);
142 internal_proto(free_format_hash);