Mercurial > hg > octave-lojdl
changeset 580:b0204e676508
[project @ 1994-08-07 01:02:15 by jwe]
Initial revision
author | jwe |
---|---|
date | Sun, 07 Aug 1994 01:02:15 +0000 |
parents | 606938d43402 |
children | bc813f5eb025 |
files | src/pt-base.cc |
diffstat | 1 files changed, 84 insertions(+), 0 deletions(-) [+] |
line wrap: on
line diff
new file mode 100644 --- /dev/null +++ b/src/pt-base.cc @@ -0,0 +1,84 @@ +// tree-base.cc -*- C++ -*- +/* + +Copyright (C) 1992, 1993, 1994 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 2, 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, write to the Free +Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. + +*/ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#if defined (__GNUG__) +#pragma implementation +#endif + +#include <iostream.h> +#include <assert.h> + +#include "tree-base.h" + +// Current indentation. +int tree_print_code::curr_print_indent_level = 0; + +// Nonzero means we are at the beginning of a line. +int tree_print_code::beginning_of_line = 1; + +// All print_code() functions should use this to print new lines. + +void +tree_print_code::print_code_new_line (ostream& os) +{ + os << "\n"; + + beginning_of_line = 1; +} + +// Each print_code() function should call this before printing +// anything. +// +// This doesn't need to be fast, but isn't there a better way? + +void +tree_print_code::print_code_indent (ostream& os) +{ + assert (curr_print_indent_level >= 0); + + if (beginning_of_line) + { + os.form ("%*s", curr_print_indent_level, ""); + beginning_of_line = 0; + } +} + +// For ressetting print_code state. + +void +tree_print_code::print_code_reset (void) +{ + beginning_of_line = 1; + curr_print_indent_level = 0; +} + +/* +;;; Local Variables: *** +;;; mode: C++ *** +;;; page-delimiter: "^/\\*" *** +;;; End: *** +*/