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/* Helper code for graphviz output.
Copyright (C) 2019-2022 Free Software Foundation, Inc.
Contributed by David Malcolm <dmalcolm@redhat.com>.
This file is part of GCC.
GCC 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, or (at your option)
any later version.
GCC 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 GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "graphviz.h"
/* graphviz_out's ctor, wrapping PP. */
graphviz_out::graphviz_out (pretty_printer *pp)
: m_pp (pp),
m_indent (0)
{
}
/* Formatted print of FMT. */
void
graphviz_out::print (const char *fmt, ...)
{
text_info text;
va_list ap;
va_start (ap, fmt);
text.err_no = errno;
text.args_ptr = ≈
text.format_spec = fmt;
pp_format (m_pp, &text);
pp_output_formatted_text (m_pp);
va_end (ap);
}
/* Formatted print of FMT. The text is indented by the current
indent, and a newline is added. */
void
graphviz_out::println (const char *fmt, ...)
{
text_info text;
va_list ap;
write_indent ();
va_start (ap, fmt);
text.err_no = errno;
text.args_ptr = ≈
text.format_spec = fmt;
pp_format (m_pp, &text);
pp_output_formatted_text (m_pp);
va_end (ap);
pp_newline (m_pp);
}
/* Print the current indent to the underlying pp. */
void
graphviz_out::write_indent ()
{
for (int i = 0; i < m_indent * 2; ++i)
pp_space (m_pp);
}
/* Write the start of an HTML-like row via <TR>, writing to the stream
so that followup text can be escaped. */
void
graphviz_out::begin_tr ()
{
pp_string (m_pp, "<TR>");
pp_write_text_to_stream (m_pp);
}
/* Write the end of an HTML-like row via </TR>, writing to the stream
so that followup text can be escaped. */
void
graphviz_out::end_tr ()
{
pp_string (m_pp, "</TR>");
pp_write_text_to_stream (m_pp);
}
/* Write the start of an HTML-like <TD>, writing to the stream
so that followup text can be escaped. */
void
graphviz_out::begin_td ()
{
pp_string (m_pp, "<TD ALIGN=\"LEFT\">");
pp_write_text_to_stream (m_pp);
}
/* Write the end of an HTML-like </TD>, writing to the stream
so that followup text can be escaped. */
void
graphviz_out::end_td ()
{
pp_string (m_pp, "</TD>");
pp_write_text_to_stream (m_pp);
}
/* Write the start of an HTML-like row via <TR><TD>, writing to the stream
so that followup text can be escaped. */
void
graphviz_out::begin_trtd ()
{
pp_string (m_pp, "<TR><TD ALIGN=\"LEFT\">");
pp_write_text_to_stream (m_pp);
}
/* Write the end of an HTML-like row via </TD></TR>, writing to the stream
so that followup text can be escaped. */
void
graphviz_out::end_tdtr ()
{
pp_string (m_pp, "</TD></TR>");
pp_write_text_to_stream (m_pp);
}
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