|
2888
|
1 /* |
|
|
2 |
|
|
3 Copyright (C) 1996, 1997 John W. Eaton |
|
|
4 |
|
|
5 This file is part of Octave. |
|
|
6 |
|
|
7 Octave is free software; you can redistribute it and/or modify it |
|
|
8 under the terms of the GNU General Public License as published by the |
|
|
9 Free Software Foundation; either version 2, or (at your option) any |
|
|
10 later version. |
|
|
11 |
|
|
12 Octave is distributed in the hope that it will be useful, but WITHOUT |
|
|
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
|
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
|
15 for more details. |
|
|
16 |
|
|
17 You should have received a copy of the GNU General Public License |
|
|
18 along with Octave; see the file COPYING. If not, write to the Free |
|
|
19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
|
|
20 |
|
|
21 */ |
|
|
22 |
|
|
23 #if defined (__GNUG__) |
|
|
24 #pragma implementation |
|
|
25 #endif |
|
|
26 |
|
|
27 #ifdef HAVE_CONFIG_H |
|
|
28 #include <config.h> |
|
|
29 #endif |
|
|
30 |
|
|
31 #include "error.h" |
|
|
32 #include "oct-obj.h" |
|
|
33 #include "oct-builtin.h" |
|
|
34 #include "ov.h" |
|
|
35 |
|
|
36 octave_value |
|
|
37 octave_builtin::eval (void) |
|
|
38 { |
|
|
39 octave_value retval; |
|
|
40 |
|
|
41 if (error_state) |
|
|
42 return retval; |
|
|
43 |
|
|
44 octave_value_list args; |
|
|
45 |
|
|
46 octave_value_list tmp = (*f) (args, 0); |
|
|
47 |
|
|
48 if (tmp.length () > 0) |
|
|
49 retval = tmp(0); |
|
|
50 |
|
|
51 return retval; |
|
|
52 } |
|
|
53 |
|
|
54 // Are any of the arguments `:'? |
|
|
55 |
|
|
56 static bool |
|
|
57 any_arg_is_magic_colon (const octave_value_list& args) |
|
|
58 { |
|
|
59 int nargin = args.length (); |
|
|
60 |
|
|
61 for (int i = 0; i < nargin; i++) |
|
|
62 if (args(i).is_magic_colon ()) |
|
|
63 return true; |
|
|
64 |
|
|
65 return false; |
|
|
66 } |
|
|
67 |
|
|
68 octave_value_list |
|
|
69 octave_builtin::eval (int nargout, const octave_value_list& args) |
|
|
70 { |
|
|
71 octave_value_list retval; |
|
|
72 |
|
|
73 if (error_state) |
|
|
74 return retval; |
|
|
75 |
|
|
76 if (any_arg_is_magic_colon (args)) |
|
|
77 ::error ("invalid use of colon in function argument list"); |
|
|
78 else |
|
|
79 retval = (*f) (args, nargout); |
|
|
80 |
|
|
81 return retval; |
|
|
82 } |
|
|
83 |
|
|
84 /* |
|
|
85 ;;; Local Variables: *** |
|
|
86 ;;; mode: C++ *** |
|
|
87 ;;; End: *** |
|
|
88 */ |
