Mercurial > octave
view libinterp/octave-value/cdef-method.cc @ 31054:201e29541ef5 stable
NEWS.7.md: Clarify whitespace rules with inplace and binary operators (bug #62552).
author | Markus Mützel <markus.muetzel@gmx.de> |
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date | Thu, 02 Jun 2022 14:47:55 +0200 |
parents | 796f54d4ddbf |
children | 83f9f8bda883 |
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//////////////////////////////////////////////////////////////////////// // // Copyright (C) 2012-2022 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 (HAVE_CONFIG_H) # include "config.h" #endif #include <algorithm> #include <iomanip> #include "cdef-class.h" #include "cdef-manager.h" #include "cdef-utils.h" #include "errwarn.h" #include "interpreter-private.h" #include "interpreter.h" #include "load-path.h" #include "ov-builtin.h" #include "ov-classdef.h" #include "ov-fcn-handle.h" #include "ov-usr-fcn.h" #include "parse.h" #include "pt-assign.h" #include "pt-classdef.h" #include "pt-idx.h" #include "pt-misc.h" #include "pt-stmt.h" #include "pt-walk.h" namespace octave { OCTAVE_NORETURN static void err_method_access (const std::string& from, const cdef_method& meth) { octave_value acc = meth.get ("Access"); std::string acc_s; if (acc.is_string ()) acc_s = acc.string_value (); else acc_s = "class-restricted"; error ("%s: method '%s' has %s access and cannot be run in this context", from.c_str (), meth.get_name ().c_str (), acc_s.c_str ()); } void cdef_method::cdef_method_rep::check_method (void) { if (is_external ()) { if (is_dummy_method (m_function)) { load_path& lp = __get_load_path__ ("cdef_method::cdef_method_rep::check_method"); std::string name = get_name (); std::string cls_name = m_dispatch_type; std::string pack_name; std::size_t pos = cls_name.rfind ('.'); if (pos != std::string::npos) { pack_name = cls_name.substr (0, pos); cls_name = cls_name.substr (pos + 1); } std::string dir_name; std::string file_name = lp.find_method (cls_name, name, dir_name, pack_name); if (! file_name.empty ()) { octave_value ov_fcn = load_fcn_from_file (file_name, dir_name, m_dispatch_type, pack_name); if (ov_fcn.is_defined ()) { m_function = ov_fcn; make_function_of_class (m_dispatch_type, m_function); } } } else { // FIXME: check out-of-date status } if (is_dummy_method (m_function)) error ("no definition found for method '%s' of class '%s'", get_name ().c_str (), m_dispatch_type.c_str ()); } } octave_value_list cdef_method::cdef_method_rep::execute (const octave_value_list& args, int nargout, bool do_check_access, const std::string& who) { octave_value_list retval; if (do_check_access && ! check_access ()) err_method_access (who, wrap ()); if (get ("Abstract").bool_value ()) error ("%s: cannot execute abstract method", get ("Name").string_value ().c_str ()); check_method (); if (m_function.is_defined ()) retval = feval (m_function, args, nargout); return retval; } octave_value_list cdef_method::cdef_method_rep::execute (const cdef_object& obj, const octave_value_list& args, int nargout, bool do_check_access, const std::string& who) { octave_value_list retval; if (do_check_access && ! check_access ()) err_method_access (who, wrap ()); if (get ("Abstract").bool_value ()) error ("%s: cannot execute abstract method", get ("Name").string_value ().c_str ()); check_method (); if (m_function.is_defined ()) { octave_value_list new_args; new_args.resize (args.length () + 1); new_args(0) = to_ov (obj); for (int i = 0; i < args.length (); i++) new_args(i+1) = args(i); retval = feval (m_function, new_args, nargout); } return retval; } bool cdef_method::cdef_method_rep::is_constructor (void) const { if (m_function.is_function()) return m_function.function_value ()->is_classdef_constructor (); return false; } bool cdef_method::cdef_method_rep::is_defined_in_class (const std::string& cname) const { return (m_function.is_function () ? m_function.function_value ()->dispatch_class () == cname : false); } std::string cdef_method::cdef_method_rep::get_doc_string (void) { check_method (); octave_function *fcn = m_function.function_value (); return fcn ? fcn->doc_string () : ""; } bool cdef_method::cdef_method_rep::check_access (void) const { cdef_class cls (to_cdef (get ("DefiningClass"))); return octave::check_access (cls, get ("Access"), get_name ()); } octave_value_list cdef_method::cdef_method_rep::meta_subsref (const std::string& type, const std::list<octave_value_list>& idx, int nargout) { octave_value_list retval; switch (type[0]) { case '(': retval = (execute (idx.front (), type.length () > 1 ? 1 : nargout, true)); break; default: error ("invalid meta.method indexing"); break; } if (type.length () > 1 && idx.size () > 1 && ! retval.empty ()) retval = retval(0).next_subsref (nargout, type, idx, 1); return retval; } }