1 /* PSPP - a program for statistical analysis.
2 Copyright (C) 1997-9, 2000, 2006, 2010, 2011 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
21 #include "data/dataset.h"
22 #include "data/dictionary.h"
23 #include "data/variable.h"
24 #include "data/format.h"
25 #include "language/command.h"
26 #include "language/lexer/format-parser.h"
27 #include "language/lexer/lexer.h"
28 #include "language/lexer/variable-parser.h"
29 #include "libpspp/assertion.h"
30 #include "libpspp/message.h"
31 #include "libpspp/str.h"
34 #define _(msgid) gettext (msgid)
36 /* Parses the NUMERIC command. */
38 cmd_numeric (struct lexer *lexer, struct dataset *ds)
42 /* Names of variables to create. */
48 /* Format spec for variables to create. f.type==-1 if default is to
52 if (!parse_DATA_LIST_vars (lexer, dataset_dict (ds),
53 &v, &nv, PV_NO_DUPLICATE))
56 /* Get the optional format specification. */
57 if (lex_match (lexer, T_LPAREN))
59 if (!parse_format_specifier (lexer, &f))
62 if ( ! fmt_check_output (&f))
65 if (fmt_is_string (f.type))
67 char str[FMT_STRING_LEN_MAX + 1];
68 msg (SE, _("Format type %s may not be used with a numeric "
69 "variable."), fmt_to_string (&f, str));
73 if (!lex_match (lexer, T_RPAREN))
75 lex_error_expecting (lexer, "`)'", NULL_SENTINEL);
82 /* Create each variable. */
83 for (i = 0; i < nv; i++)
85 struct variable *new_var = dict_create_var (dataset_dict (ds), v[i], 0);
87 msg (SE, _("There is already a variable named %s."), v[i]);
91 var_set_both_formats (new_var, &f);
96 for (i = 0; i < nv; i++)
100 while (lex_match (lexer, T_SLASH));
104 /* If we have an error at a point where cleanup is required,
105 flow-of-control comes here. */
107 for (i = 0; i < nv; i++)
113 /* Parses the STRING command. */
115 cmd_string (struct lexer *lexer, struct dataset *ds)
119 /* Names of variables to create. */
123 /* Format spec for variables to create. */
126 /* Width of variables to create. */
131 if (!parse_DATA_LIST_vars (lexer, dataset_dict (ds),
132 &v, &nv, PV_NO_DUPLICATE))
135 if (!lex_force_match (lexer, T_LPAREN)
136 || !parse_format_specifier (lexer, &f)
137 || !lex_force_match (lexer, T_RPAREN))
139 if (!fmt_is_string (f.type))
141 char str[FMT_STRING_LEN_MAX + 1];
142 msg (SE, _("Format type %s may not be used with a string "
143 "variable."), fmt_to_string (&f, str));
146 if (!fmt_check_output (&f))
149 width = fmt_var_width (&f);
151 /* Create each variable. */
152 for (i = 0; i < nv; i++)
154 struct variable *new_var = dict_create_var (dataset_dict (ds), v[i],
157 msg (SE, _("There is already a variable named %s."), v[i]);
159 var_set_both_formats (new_var, &f);
163 for (i = 0; i < nv; i++)
167 while (lex_match (lexer, T_SLASH));
171 /* If we have an error at a point where cleanup is required,
172 flow-of-control comes here. */
174 for (i = 0; i < nv; i++)
180 /* Parses the LEAVE command. */
182 cmd_leave (struct lexer *lexer, struct dataset *ds)
189 if (!parse_variables (lexer, dataset_dict (ds), &v, &nv, PV_NONE))
190 return CMD_CASCADING_FAILURE;
191 for (i = 0; i < nv; i++)
192 var_set_leave (v[i], true);