Mercurial > octave
annotate libinterp/parse-tree/pt-funcall.h @ 22323:bac0d6f07a3e
maint: Update copyright notices for 2016.
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Wed, 17 Aug 2016 01:05:19 -0400 |
| parents | 1473547f50f5 |
| children | 34ce5be04942 |
| rev | line source |
|---|---|
| 15035 | 1 /* |
| 2 | |
|
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maint: Update copyright notices for 2016.
John W. Eaton <jwe@octave.org>
parents:
21244
diff
changeset
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3 Copyright (C) 2012-2016 John W. Eaton |
| 15035 | 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 3 of the License, or (at your | |
| 10 option) any 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, see | |
| 19 <http://www.gnu.org/licenses/>. | |
| 20 | |
| 21 */ | |
| 22 | |
|
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maint: Use Octave coding conventions for #if statements.
Rik <rik@octave.org>
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23 #if ! defined (octave_tree_funcall_h) |
| 15035 | 24 #define octave_tree_funcall_h 1 |
| 25 | |
|
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John W. Eaton <jwe@octave.org>
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26 #include "octave-config.h" |
|
1473547f50f5
include octave-config.h in public header files
John W. Eaton <jwe@octave.org>
parents:
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27 |
| 15035 | 28 #include "ov.h" |
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maint: Rename oct-obj.[cc|h] to ovl.[cc|h] for clarity.
Rik <rik@octave.org>
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29 #include "ovl.h" |
| 15035 | 30 #include "parse.h" |
| 31 #include "pt-exp.h" | |
| 32 | |
| 33 // Function call. This class only represents function calls that have | |
| 34 // known functions (most useful for calls to built-in functions that | |
| 35 // are generated by the parser) and fixed argument lists, known at | |
| 36 // compile time. | |
| 37 | |
| 38 class | |
| 39 tree_funcall : public tree_expression | |
| 40 { | |
| 41 public: | |
| 42 | |
| 43 tree_funcall (const octave_value& f, const octave_value_list& a, | |
| 44 int l = -1, int c = -1) | |
| 45 : tree_expression (l, c), fcn (f), args (a) | |
| 46 { | |
| 47 if (! fcn.is_function ()) | |
| 48 error ("tree_funcall: invalid function"); | |
| 49 } | |
| 50 | |
| 51 ~tree_funcall (void) { } | |
| 52 | |
| 53 bool has_magic_end (void) const { return false; } | |
| 54 | |
| 55 void print (std::ostream& os, bool pr_as_read_syntax = false, | |
| 56 bool pr_orig_txt = true); | |
| 57 | |
| 58 void print_raw (std::ostream& os, bool pr_as_read_syntax = false, | |
| 59 bool pr_orig_txt = true); | |
| 60 | |
| 61 tree_funcall *dup (symbol_table::scope_id, | |
| 62 symbol_table::context_id context) const; | |
| 63 | |
| 64 octave_value rvalue1 (int nargout) | |
| 65 { | |
| 66 octave_value retval; | |
| 67 | |
| 68 const octave_value_list tmp = rvalue (nargout); | |
| 69 | |
| 70 if (! tmp.empty ()) | |
| 71 retval = tmp(0); | |
| 72 | |
| 73 return retval; | |
| 74 } | |
| 75 | |
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Michael Goffioul <michael.goffioul@gmail.com>
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76 octave_value_list rvalue (int nargout); |
| 15035 | 77 |
| 78 octave_value function (void) const { return fcn; } | |
| 79 | |
| 80 octave_value_list arguments (void) const { return args; } | |
| 81 | |
| 82 void accept (tree_walker& tw); | |
| 83 | |
| 84 private: | |
| 85 | |
| 86 // Function to call. Error if not a valid function at time of | |
| 87 // construction. | |
| 88 octave_value fcn; | |
| 89 | |
| 90 // Argument list. | |
| 91 octave_value_list args; | |
| 92 | |
| 93 // No copying! | |
| 94 | |
| 95 tree_funcall (const tree_funcall&); | |
| 96 | |
| 97 tree_funcall& operator = (const tree_funcall&); | |
| 98 }; | |
| 99 | |
| 100 #endif |