Mercurial > octave
view libinterp/parse-tree/pt-binop.h @ 22865:89756f2f085b
use c++11 style for deleting default copy constructor and assignment operator
* octave-gui.h, resource-manager.h, shortcut-manager.h,
base-text-renderer.h, c-file-ptr-stream.h, dynamic-ld.cc,
dynamic-ld.h, event-queue.h, ft-text-renderer.cc, gl-render.cc,
gl-render.h, graphics.cc, graphics.in.h, interpreter.h, mex.cc,
mxarray.in.h, oct-fstrm.h, oct-iostrm.h, oct-prcstrm.h, oct-procbuf.h,
oct-stdstrm.h, oct-stream.cc, oct-stream.h, oct-strstrm.h,
octave-link.h, pager.h, profiler.h, sighandlers.cc, symtab.h,
text-renderer.h, zfstream.h, __init_fltk__.cc, ov-builtin.h,
ov-dld-fcn.h, ov-fcn.h, ov-mex-fcn.h, ov-typeinfo.h, ov-usr-fcn.h,
octave.h, lex.h, parse.h, pt-arg-list.h, pt-array-list.h, pt-assign.h,
pt-binop.h, pt-bp.h, pt-cbinop.h, pt-cell.h, pt-check.h,
pt-classdef.h, pt-cmd.h, pt-colon.h, pt-const.h, pt-decl.h, pt-eval.h,
pt-except.h, pt-exp.h, pt-fcn-handle.h, pt-funcall.h, pt-id.h,
pt-idx.h, pt-jump.h, pt-loop.h, pt-mat.h, pt-misc.h, pt-pr-code.h,
pt-select.h, pt-stmt.h, pt-unop.h, pt-walk.h, pt.h, token.h, Array.cc,
idx-vector.h, oct-fftw.h, sparse-chol.cc, sparse-qr.cc, file-ops.h,
mach-info.h, oct-env.h, action-container.h, cmd-edit.cc, cmd-edit.h,
cmd-hist.h, oct-locbuf.h, oct-mutex.h, oct-shlib.cc, oct-sort.h,
pathsearch.h, singleton-cleanup.h, unwind-prot.h, url-transfer.cc,
url-transfer.h:
Use C++11 style "= delete" declaration to declare copy constructors
and assignment operators for classes that should not be copied.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Mon, 05 Dec 2016 22:59:37 -0500 |
parents | 3a2b891d0b33 |
children | 87e3163f6c87 |
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/* Copyright (C) 1996-2016 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_binop_h) #define octave_pt_binop_h 1 #include "octave-config.h" #include <string> class tree_walker; class octave_value; class octave_value_list; class octave_lvalue; #include "ov.h" #include "pt-exp.h" #include "symtab.h" // Binary expressions. class tree_binary_expression : public tree_expression { public: tree_binary_expression (int l = -1, int c = -1, octave_value::binary_op t = octave_value::unknown_binary_op) : tree_expression (l, c), op_lhs (0), op_rhs (0), etype (t), eligible_for_braindead_shortcircuit (false), braindead_shortcircuit_warning_issued (false) { } tree_binary_expression (tree_expression *a, tree_expression *b, int l = -1, int c = -1, octave_value::binary_op t = octave_value::unknown_binary_op) : tree_expression (l, c), op_lhs (a), op_rhs (b), etype (t), eligible_for_braindead_shortcircuit (false), braindead_shortcircuit_warning_issued (false) { } ~tree_binary_expression (void) { delete op_lhs; delete op_rhs; } void mark_braindead_shortcircuit (void) { if (etype == octave_value::op_el_and || etype == octave_value::op_el_or) { eligible_for_braindead_shortcircuit = true; op_lhs->mark_braindead_shortcircuit (); op_rhs->mark_braindead_shortcircuit (); } } bool has_magic_end (void) const { return ((op_lhs && op_lhs->has_magic_end ()) || (op_rhs && op_rhs->has_magic_end ())); } bool is_binary_expression (void) const { return true; } bool rvalue_ok (void) const { return true; } octave_value rvalue1 (int nargout = 1); octave_value_list rvalue (int nargout); std::string oper (void) const; octave_value::binary_op op_type (void) const { return etype; } tree_expression *lhs (void) { return op_lhs; } tree_expression *rhs (void) { return op_rhs; } tree_expression *dup (symbol_table::scope_id scope, symbol_table::context_id context) const; void accept (tree_walker& tw); std::string profiler_name (void) const { return "binary " + oper (); } protected: // The operands for the expression. tree_expression *op_lhs; tree_expression *op_rhs; private: // The type of the expression. octave_value::binary_op etype; // TRUE if this is an | or & expression in the condition of an IF // or WHILE statement. bool eligible_for_braindead_shortcircuit; // TRUE if we have already issued a warning about short circuiting // for this operator. bool braindead_shortcircuit_warning_issued; void matlab_style_short_circuit_warning (const char *op); // No copying! tree_binary_expression (const tree_binary_expression&) = delete; tree_binary_expression& operator = (const tree_binary_expression&) = delete; }; // Boolean expressions. class tree_boolean_expression : public tree_binary_expression { public: enum type { unknown, bool_and, bool_or }; tree_boolean_expression (int l = -1, int c = -1, type t = unknown) : tree_binary_expression (l, c), etype (t) { } tree_boolean_expression (tree_expression *a, tree_expression *b, int l = -1, int c = -1, type t = unknown) : tree_binary_expression (a, b, l, c), etype (t) { } ~tree_boolean_expression (void) { } bool is_boolean_expression (void) const { return true; } bool rvalue_ok (void) const { return true; } octave_value rvalue1 (int nargout = 1); octave_value_list rvalue (int nargout); std::string oper (void) const; type op_type (void) const { return etype; } tree_expression *dup (symbol_table::scope_id scope, symbol_table::context_id context) const; private: // The type of the expression. type etype; // No copying! tree_boolean_expression (const tree_boolean_expression&) = delete; tree_boolean_expression& operator = (const tree_boolean_expression&) = delete; }; #endif