1 /* PSPP - a program for statistical analysis.
2 Copyright (C) 1997-9, 2000, 2006 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/>. */
19 #include "msg-locator.h"
20 #include <libpspp/assertion.h>
21 #include <libpspp/cast.h>
22 #include <libpspp/message.h>
27 /* File locator stack. */
28 static const struct msg_locator **file_loc;
30 static int nfile_loc, mfile_loc;
33 msg_locator_done (void)
37 nfile_loc = mfile_loc = 0;
41 /* File locator stack functions. */
43 /* Pushes F onto the stack of file locations. */
45 msg_push_msg_locator (const struct msg_locator *loc)
47 if (nfile_loc >= mfile_loc)
54 file_loc = xnrealloc (file_loc, mfile_loc, sizeof *file_loc);
57 file_loc[nfile_loc++] = loc;
60 /* Pops F off the stack of file locations.
61 Argument F is only used for verification that that is actually the
62 item on top of the stack. */
64 msg_pop_msg_locator (const struct msg_locator *loc)
66 assert (nfile_loc >= 0 && file_loc[nfile_loc - 1] == loc);
70 /* Puts the current file and line number into LOC, or NULL and -1 if
73 get_msg_location (const struct source_stream *ss, struct msg_locator *loc)
77 *loc = *file_loc[nfile_loc - 1];
81 loc->file_name = CONST_CAST (char *, getl_source_name (ss));
82 loc->line_number = getl_source_location (ss);