Mercurial > octave
view libinterp/octave-value/ov-builtin.cc @ 25054:6652d3823428 stable
maint: Update copyright dates in all source files.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Fri, 30 Mar 2018 09:19:05 -0400 |
parents | 194eb4bd202b |
children | 00f796120a6d |
line wrap: on
line source
/* Copyright (C) 1996-2018 John W. Eaton 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 "call-stack.h" #include "error.h" #include "errwarn.h" #include "interpreter-private.h" #include "interpreter.h" #include "ov-builtin.h" #include "ov.h" #include "ovl.h" #include "profiler.h" #include "unwind-prot.h" DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_builtin, "built-in function", "built-in function"); octave_value_list octave_builtin::call (octave::tree_evaluator& tw, int nargout, const octave_value_list& args) { octave_value_list retval; if (args.has_magic_colon ()) error ("invalid use of colon in function argument list"); octave::unwind_protect frame; octave::call_stack& cs = octave::__get_call_stack__ ("octave_builtin::call"); cs.push (this); frame.add_method (cs, &octave::call_stack::pop); octave::profiler& profiler = tw.get_profiler (); octave::profiler::enter<octave_builtin> block (profiler, *this); if (f) retval = (*f) (args, nargout); else { octave::interpreter& interp = octave::__get_interpreter__ ("octave_builtin::call"); retval = (*m) (interp, args, nargout); } // Do not allow null values to be returned from functions. // FIXME: perhaps true builtins should be allowed? retval.make_storable_values (); // Fix the case of a single undefined value. // This happens when a compiled function uses // // octave_value retval; // // instead of // // octave_value_list retval; // // the idiom is very common, so we solve that here. if (retval.length () == 1 && retval.xelem (0).is_undefined ()) retval.clear (); return retval; } octave::jit_type * octave_builtin::to_jit (void) const { return jtype; } void octave_builtin::stash_jit (octave::jit_type& type) { jtype = &type; } octave_builtin::fcn octave_builtin::function (void) const { return f; } octave_builtin::meth octave_builtin::method (void) const { return m; } void octave_builtin::push_dispatch_class (const std::string& dispatch_type) { dispatch_classes.insert (dispatch_type); } bool octave_builtin::handles_dispatch_class (const std::string& dispatch_type) const { return dispatch_classes.find (dispatch_type) != dispatch_classes.end (); }