1 /* PSPP - a program for statistical analysis.
2 Copyright (C) 1997-9, 2000, 2006, 2010, 2011, 2014 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)
44 int vars_start = lex_ofs (lexer);
45 if (!parse_DATA_LIST_vars (lexer, dataset_dict (ds),
46 &v, &nv, PV_NO_DUPLICATE))
48 int vars_end = lex_ofs (lexer) - 1;
52 /* Get the optional format specification. */
53 struct fmt_spec f = var_default_formats (0);
54 if (lex_match (lexer, T_LPAREN))
56 if (!parse_format_specifier (lexer, &f))
59 char *error = fmt_check_output__ (f);
62 lex_next_error (lexer, -1, -1, "%s", error);
67 if (fmt_is_string (f.type))
69 char str[FMT_STRING_LEN_MAX + 1];
70 lex_next_error (lexer, -1, -1,
71 _("Format type %s may not be used with a numeric "
72 "variable."), fmt_to_string (f, str));
76 if (!lex_match (lexer, T_RPAREN))
78 lex_error_expecting (lexer, "`)'");
83 /* Create each variable. */
84 for (size_t i = 0; i < nv; i++)
86 struct variable *new_var = dict_create_var (dataset_dict (ds),
89 lex_ofs_error (lexer, vars_start, vars_end,
90 _("There is already a variable named %s."), v[i]);
92 var_set_both_formats (new_var, f);
97 for (size_t i = 0; i < nv; i++)
103 while (lex_match (lexer, T_SLASH));
108 /* Parses the STRING command. */
110 cmd_string (struct lexer *lexer, struct dataset *ds)
116 int vars_start = lex_ofs (lexer);
117 if (!parse_DATA_LIST_vars (lexer, dataset_dict (ds),
118 &v, &nv, PV_NO_DUPLICATE))
120 int vars_end = lex_ofs (lexer) - 1;
125 if (!lex_force_match (lexer, T_LPAREN)
126 || !parse_format_specifier (lexer, &f))
129 char *error = fmt_check_type_compat__ (f, NULL, VAL_STRING);
131 error = fmt_check_output__ (f);
134 lex_next_error (lexer, -1, -1, "%s", error);
139 if (!lex_force_match (lexer, T_RPAREN))
142 /* Create each variable. */
143 int width = fmt_var_width (f);
144 for (size_t i = 0; i < nv; i++)
146 struct variable *new_var = dict_create_var (dataset_dict (ds), v[i],
149 lex_ofs_error (lexer, vars_start, vars_end,
150 _("There is already a variable named %s."), v[i]);
152 var_set_both_formats (new_var, f);
157 for (size_t i = 0; i < nv; i++)
163 while (lex_match (lexer, T_SLASH));
168 /* Parses the LEAVE command. */
170 cmd_leave (struct lexer *lexer, struct dataset *ds)
175 if (!parse_variables (lexer, dataset_dict (ds), &v, &nv, PV_NONE))
176 return CMD_CASCADING_FAILURE;
177 for (size_t i = 0; i < nv; i++)
178 var_set_leave (v[i], true);