Mercurial > hg > octave-nkf
annotate src/pt.h @ 15536:2e8eb9ac43a5 stable rc-3-6-4-0
3.6.4-rc0 release candidate
* configure.ac (AC_INIT): Version is now 3.6.2-rc0.
(OCTAVE_RELEASE_DATE): Now 2012-05-11.
author | John W. Eaton <jwe@octave.org> |
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date | Wed, 17 Oct 2012 10:05:44 -0400 |
parents | 72c96de7a403 |
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rev | line source |
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2987 | 1 /* |
2 | |
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maint: update copyright notices for 2012
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3 Copyright (C) 1996-2012 John W. Eaton |
2987 | 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 | |
7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
10 option) any later version. | |
2987 | 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 | |
7016 | 18 along with Octave; see the file COPYING. If not, see |
19 <http://www.gnu.org/licenses/>. | |
2987 | 20 |
21 */ | |
22 | |
23 #if !defined (octave_tree_h) | |
24 #define octave_tree_h 1 | |
25 | |
2991 | 26 #include <string> |
27 | |
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28 #include <iosfwd> |
2991 | 29 |
4748 | 30 class octave_function; |
2987 | 31 class tree_walker; |
32 | |
33 // Base class for the parse tree. | |
34 | |
35 class | |
36 tree | |
37 { | |
38 public: | |
39 | |
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40 tree (int l = -1, int c = -1) |
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41 : line_num (l), column_num (c), bp (false) { } |
2987 | 42 |
43 virtual ~tree (void) { } | |
44 | |
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45 virtual int line (void) const { return line_num; } |
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46 |
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47 virtual int column (void) const { return column_num; } |
2987 | 48 |
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49 void line (int l) { line_num = l; } |
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50 |
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51 void column (int c) { column_num = c; } |
2987 | 52 |
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53 virtual void set_breakpoint (void) { bp = true; } |
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54 |
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55 virtual void delete_breakpoint (void) { bp = false; } |
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56 |
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57 bool is_breakpoint (void) const { return bp; } |
2987 | 58 |
3523 | 59 std::string str_print_code (void); |
2991 | 60 |
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61 virtual void accept (tree_walker& tw) = 0; |
3772 | 62 |
2987 | 63 private: |
64 | |
65 // The input line and column where we found the text that was | |
66 // eventually converted to this tree node. | |
67 int line_num; | |
68 int column_num; | |
69 | |
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70 // Breakpoint flag. |
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71 bool bp; |
3770 | 72 |
2987 | 73 // No copying! |
74 | |
75 tree (const tree&); | |
76 | |
77 tree& operator = (const tree&); | |
78 }; | |
79 | |
80 #endif |