Mercurial > octave
view libinterp/parse-tree/pt.h @ 23457:21baad6b35c4
maint: Use C++11 nullptr rather than 0 or NULL when possible.
* FigureWindow.h, Logger.cc, Menu.cc, MouseModeActionGroup.h, Object.h,
ObjectFactory.cc, ObjectProxy.h, color-picker.h, documentation-dock-widget.h,
files-dock-widget.h, find-files-dialog.h, history-dock-widget.h,
file-editor-tab.cc, file-editor.cc, file-editor.h, find-dialog.h,
main-window.cc, main-window.h, octave-dock-widget.h, parser.cc, parser.h,
webinfo.h, resource-manager.cc, shortcut-manager.cc, shortcut-manager.h,
terminal-dock-widget.h, welcome-wizard.cc, welcome-wizard.h, workspace-model.h,
workspace-view.h, __magick_read__.cc, call-stack.cc, call-stack.h, cdisplay.c,
display.cc, dlmread.cc, dynamic-ld.cc, ft-text-renderer.cc, gl2ps-print.cc,
graphics.cc, graphics.in.h, input.h, interpreter.cc, interpreter.h, ls-hdf5.cc,
mex.cc, mxarray.in.h, oct-errno.in.cc, oct-fstrm.cc, oct-iostrm.h,
oct-procbuf.cc, oct-stdstrm.h, oct-stream.cc, oct-stream.h, octave-link.cc,
pager.cc, pr-output.cc, profiler.h, qz.cc, sighandlers.cc, strfns.cc,
symtab.cc, symtab.h, typecast.cc, urlwrite.cc, variables.cc, __eigs__.cc,
__init_fltk__.cc, __ode15__.cc, colamd.cc, ov-base-int.cc, ov-base.cc,
ov-bool-mat.cc, ov-bool-sparse.cc, ov-builtin.cc, ov-class.cc, ov-classdef.cc,
ov-complex.cc, ov-cx-diag.cc, ov-cx-mat.cc, ov-cx-sparse.cc, ov-fcn-handle.cc,
ov-fcn-inline.cc, ov-flt-complex.cc, ov-flt-cx-diag.cc, ov-flt-cx-mat.cc,
ov-flt-re-diag.cc, ov-flt-re-mat.cc, ov-java.cc, ov-java.h, ov-lazy-idx.cc,
ov-perm.cc, ov-range.cc, ov-re-diag.cc, ov-re-mat.cc, ov-re-sparse.cc,
ov-str-mat.cc, ov-struct.cc, ov-usr-fcn.h, octave.cc, octave.h, bp-table.cc,
jit-ir.cc, jit-ir.h, jit-typeinfo.cc, jit-typeinfo.h, lex.h, pt-arg-list.cc,
pt-arg-list.h, pt-array-list.h, pt-cell.h, pt-classdef.h, pt-colon.cc,
pt-decl.h, pt-eval.cc, pt-eval.h, pt-except.h, pt-idx.h, pt-jit.cc, pt-jit.h,
pt-loop.h, pt-mat.h, pt-select.h, pt.h, CSparse.cc, dSparse.cc, DASPK.cc,
DASRT.cc, DASSL.cc, oct-fftw.cc, oct-rand.cc, oct-spparms.cc, child-list.cc,
file-ops.cc, mach-info.cc, oct-env.cc, oct-time.cc, cmd-edit.cc, cmd-hist.cc,
oct-locbuf.cc, oct-shlib.cc, pathsearch.cc, singleton-cleanup.cc,
unwind-prot.h, url-transfer.cc:
Use C++11 nullptr rather than 0 or NULL when possible.
author | Rik <rik@octave.org> |
---|---|
date | Fri, 28 Apr 2017 13:19:12 -0700 |
parents | 092078913d54 |
children | be7b884ac589 |
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/* Copyright (C) 1996-2017 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_h) #define octave_pt_h 1 #include "octave-config.h" #include <string> #include <iosfwd> class octave_function; namespace octave { class tree_walker; // Base class for the parse tree. class tree { public: tree (int l = -1, int c = -1) : line_num (l), column_num (c), bp (nullptr) { } // No copying! tree (const tree&) = delete; tree& operator = (const tree&) = delete; virtual ~tree (void) = default; virtual int line (void) const { return line_num; } virtual int column (void) const { return column_num; } void line (int l) { line_num = l; } void column (int c) { column_num = c; } void set_location (int l, int c) { line_num = l; column_num = c; } virtual void set_breakpoint (const std::string& condition) { if (bp) *bp = condition; else bp = new std::string(condition); } virtual void delete_breakpoint (void) { if (bp) delete bp; bp = nullptr; } bool meets_bp_condition (void) const; bool is_breakpoint (bool check_active = false) const { return bp && (! check_active || meets_bp_condition ()); } // breakpoint condition, or "0" (i.e., "false") if no breakpoint. // To distinguish "0" from a disabled breakpoint, test "is_breakpoint" too. const std::string bp_cond (void) const { return bp ? *bp : std::string("0"); } std::string str_print_code (void); virtual void accept (tree_walker& tw) = 0; private: // The input line and column where we found the text that was // eventually converted to this tree node. int line_num; int column_num; // Breakpoint flag: NULL if no breakpoint, or the condition if there is one std::string *bp; }; } #if defined (OCTAVE_USE_DEPRECATED_FUNCTIONS) OCTAVE_DEPRECATED ("use 'octave::tree' instead") typedef octave::tree tree; #endif #endif