1 /* PSPP - computes sample statistics.
2 Copyright (C) 1997-9, 2000, 2006 Free Software Foundation, Inc.
3 Written by Ben Pfaff <blp@gnu.org>.
5 This program is free software; you can redistribute it and/or
6 modify it under the terms of the GNU General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
10 This program is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
22 #include <libpspp/alloc.h>
23 #include "msg-locator.h"
24 #include <libpspp/message.h>
25 #include <libpspp/assertion.h>
28 /* File locator stack. */
29 static const struct msg_locator **file_loc;
31 static int nfile_loc, mfile_loc;
34 msg_locator_done (void)
38 nfile_loc = mfile_loc = 0;
42 /* File locator stack functions. */
44 /* Pushes F onto the stack of file locations. */
46 msg_push_msg_locator (const struct msg_locator *loc)
48 if (nfile_loc >= mfile_loc)
55 file_loc = xnrealloc (file_loc, mfile_loc, sizeof *file_loc);
58 file_loc[nfile_loc++] = loc;
61 /* Pops F off the stack of file locations.
62 Argument F is only used for verification that that is actually the
63 item on top of the stack. */
65 msg_pop_msg_locator (const struct msg_locator *loc)
67 assert (nfile_loc >= 0 && file_loc[nfile_loc - 1] == loc);
71 /* Puts the current file and line number into LOC, or NULL and -1 if
74 get_msg_location (const struct source_stream *ss, struct msg_locator *loc)
78 *loc = *file_loc[nfile_loc - 1];
82 loc->file_name = getl_source_name (ss);
83 loc->line_number = getl_source_location (ss);