Mercurial > octave
view libinterp/parse-tree/pt-anon-scopes.h @ 28207:ab60e78d235c
maint: merge stable to default.
author | Rik <rik@octave.org> |
---|---|
date | Sat, 11 Apr 2020 16:06:19 -0700 |
parents | bd51beb6205e |
children | 0a5b15007766 |
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//////////////////////////////////////////////////////////////////////// // // Copyright (C) 1996-2020 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_anon_scopes_h) #define octave_pt_anon_scopes_h 1 #include <set> #include <string> #include "pt-walk.h" namespace octave { // In possibly nested definitions of anonymous functions, collect // their scopes and the symbol records therein. class tree_anon_scopes : public tree_walker { public: tree_anon_scopes (void) = delete; tree_anon_scopes (tree_anon_fcn_handle& anon_fh); // No copying! tree_anon_scopes (const tree_anon_scopes&) = delete; tree_anon_scopes& operator = (const tree_anon_scopes&) = delete; ~tree_anon_scopes (void) = default; std::set<std::string> fcn_parameters (void) const { return m_params; } std::set<std::string> free_variables (void) const { return m_vars; } // The following methods, though public, don't belong to the // intended user interface of this class. void visit_anon_fcn_handle (tree_anon_fcn_handle&); void visit_identifier (tree_identifier&); void visit_parameter_list (tree_parameter_list&); void visit_statement (tree_statement&); void visit_statement_list (tree_statement_list&); private: // Variable names that are function parameters. std::set<std::string> m_params; // Other variable names. std::set<std::string> m_vars; }; } #endif