Mercurial > octave
view libinterp/parse-tree/pt-misc.h @ 23084:ef4d915df748
maint: Merge stable to default.
author | John W. Eaton <jwe@octave.org> |
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date | Mon, 23 Jan 2017 14:27:48 -0500 |
parents | 4e3d47dc7e25 e9a0469dedd9 |
children | 092078913d54 |
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/* Copyright (C) 1994-2016 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 <http://www.gnu.org/licenses/>. */ #if ! defined (octave_pt_misc_h) #define octave_pt_misc_h 1 #include "octave-config.h" class Cell; class octave_value; class octave_value_list; #include "base-list.h" #include "pt-decl.h" #include "symtab.h" namespace octave { class tree_identifier; class tree_index_expression; class tree_va_return_list; class tree_walker; // Parameter lists. Used to hold the list of input and output // parameters in a function definition. Elements are identifiers // only. class tree_parameter_list : public octave::base_list<tree_decl_elt *> { public: enum in_or_out { in = 1, out = 2 }; tree_parameter_list (void) : marked_for_varargs (0) { } tree_parameter_list (tree_decl_elt *t) : marked_for_varargs (0) { append (t); } tree_parameter_list (tree_identifier *id) : marked_for_varargs (0) { append (new tree_decl_elt (id)); } // No copying! tree_parameter_list (const tree_parameter_list&) = delete; tree_parameter_list& operator = (const tree_parameter_list&) = delete; ~tree_parameter_list (void); void mark_as_formal_parameters (void); bool validate (in_or_out type); bool takes_varargs (void) const { return marked_for_varargs != 0; } bool varargs_only (void) { return (marked_for_varargs < 0); } void initialize_undefined_elements (const std::string& warnfor, int nargout, const octave_value& val); void define_from_arg_vector (const octave_value_list& args); void undefine (void); bool is_defined (void); std::list<std::string> variable_names (void) const; octave_value_list convert_to_const_vector (int nargout, const Cell& varargout); tree_parameter_list *dup (symbol_table::scope_id scope, symbol_table::context_id context) const; void accept (tree_walker& tw); private: int marked_for_varargs; void mark_varargs (void) { marked_for_varargs = 1; } void mark_varargs_only (void) { marked_for_varargs = -1; } }; // Return lists. Used to hold the right hand sides of multiple // assignment expressions. class tree_return_list : public octave::base_list<tree_index_expression *> { public: tree_return_list (void) { } tree_return_list (tree_index_expression *t) { append (t); } // No copying! tree_return_list (const tree_return_list&) = delete; tree_return_list& operator = (const tree_return_list&) = delete; ~tree_return_list (void); tree_return_list *dup (symbol_table::scope_id scope, symbol_table::context_id context) const; void accept (tree_walker& tw); }; class tree_va_return_list : public octave::base_list<octave_value> { public: tree_va_return_list (void) { } // No copying! tree_va_return_list (const tree_va_return_list&) = delete; tree_va_return_list& operator = (const tree_va_return_list&) = delete; ~tree_va_return_list (void) = default; }; } #if defined (OCTAVE_USE_DEPRECATED_FUNCTIONS) // tree_parameter_list is derived from a template. // tree_return_list is derived from a template. // tree_va_return_list is derived from a template. #endif #endif