Mercurial > octave
view libinterp/parse-tree/pt-unop.h @ 31237:e3016248ca5d
uifigure.m: Call set () only if varargin is not empty (bug #63088)
* uifigure.m: Call set () only if varargin is not empty.
author | John Donoghue <john.donoghue@ieee.org> |
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date | Wed, 21 Sep 2022 09:55:32 -0400 |
parents | 796f54d4ddbf |
children | e88a07dec498 |
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//////////////////////////////////////////////////////////////////////// // // Copyright (C) 1996-2022 The Octave Project Developers // // See the file COPYRIGHT.md in the top-level directory of this // distribution or <https://octave.org/copyright/>. // // This file is part of Octave. // // Octave is free software: you can redistribute it and/or modify it // under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // Octave is distributed in the hope that it will be useful, but // WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with Octave; see the file COPYING. If not, see // <https://www.gnu.org/licenses/>. // //////////////////////////////////////////////////////////////////////// #if ! defined (octave_pt_unop_h) #define octave_pt_unop_h 1 #include "octave-config.h" #include <string> class octave_value; class octave_value_list; #include "ov.h" #include "pt-exp.h" #include "pt-walk.h" namespace octave { class symbol_scope; // Unary expressions. class tree_unary_expression : public tree_expression { protected: tree_unary_expression (int l = -1, int c = -1, octave_value::unary_op t = octave_value::unknown_unary_op) : tree_expression (l, c), m_op (nullptr), m_etype (t) { } tree_unary_expression (tree_expression *e, int l = -1, int c = -1, octave_value::unary_op t = octave_value::unknown_unary_op) : tree_expression (l, c), m_op (e), m_etype (t) { } public: // No copying! tree_unary_expression (const tree_unary_expression&) = delete; tree_unary_expression& operator = (const tree_unary_expression&) = delete; ~tree_unary_expression (void) { delete m_op; } bool is_unary_expression (void) const { return true; } tree_expression * operand (void) { return m_op; } std::string oper (void) const; octave_value::unary_op op_type (void) const { return m_etype; } protected: // The operand for the expression. tree_expression *m_op; // The type of the expression. octave_value::unary_op m_etype; }; // Prefix expressions. class tree_prefix_expression : public tree_unary_expression { public: tree_prefix_expression (int l = -1, int c = -1) : tree_unary_expression (l, c, octave_value::unknown_unary_op) { } tree_prefix_expression (tree_expression *e, int l = -1, int c = -1, octave_value::unary_op t = octave_value::unknown_unary_op) : tree_unary_expression (e, l, c, t) { } // No copying! tree_prefix_expression (const tree_prefix_expression&) = delete; tree_prefix_expression& operator = (const tree_prefix_expression&) = delete; ~tree_prefix_expression (void) = default; bool rvalue_ok (void) const { return true; } tree_expression * dup (symbol_scope& scope) const; octave_value evaluate (tree_evaluator&, int nargout = 1); octave_value_list evaluate_n (tree_evaluator& tw, int nargout = 1) { return ovl (evaluate (tw, nargout)); } void accept (tree_walker& tw) { tw.visit_prefix_expression (*this); } std::string profiler_name (void) const { return "prefix " + oper (); } }; // Postfix expressions. class tree_postfix_expression : public tree_unary_expression { public: tree_postfix_expression (int l = -1, int c = -1) : tree_unary_expression (l, c, octave_value::unknown_unary_op) { } tree_postfix_expression (tree_expression *e, int l = -1, int c = -1, octave_value::unary_op t = octave_value::unknown_unary_op) : tree_unary_expression (e, l, c, t) { } // No copying! tree_postfix_expression (const tree_postfix_expression&) = delete; tree_postfix_expression& operator = (const tree_postfix_expression&) = delete; ~tree_postfix_expression (void) = default; bool rvalue_ok (void) const { return true; } tree_expression * dup (symbol_scope& scope) const; octave_value evaluate (tree_evaluator&, int nargout = 1); octave_value_list evaluate_n (tree_evaluator& tw, int nargout = 1) { return ovl (evaluate (tw, nargout)); } void accept (tree_walker& tw) { tw.visit_postfix_expression (*this); } std::string profiler_name (void) const { return "postfix " + oper (); } }; } #endif