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/* Debug facilities for the Algol 68 parser.
Copyright (C) 2025 Jose E. Marchesi.
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/>. */
#define INCLUDE_MEMORY
#include "config.h"
#define INCLUDE_VECTOR
#include "system.h"
#include "coretypes.h"
#include "tree.h"
#include "diagnostic.h"
#include "text-art/types.h"
#include "text-art/dump.h"
#include "text-art/dump-widget-info.h"
#include "text-art/canvas.h"
#include "text-art/theme.h"
#include "text-art/tree-widget.h"
#include "a68.h"
/* Write a printable representation of the parse tree with top node P to the
standard output. */
static void
a68_dump_parse_tree_1 (NODE_T *p, const text_art::dump_widget_info &dwi,
text_art::tree_widget &widget, bool tables, bool levels)
{
for (; p != NO_NODE; FORWARD (p))
{
char *symbol;
if (ATTRIBUTE (p) == IDENTIFIER
|| ATTRIBUTE (p) == DEFINING_IDENTIFIER
|| ATTRIBUTE (p) == DEFINING_OPERATOR
|| ATTRIBUTE (p) == BOLD_TAG)
symbol = xasprintf (" %s", NSYMBOL (p));
else
symbol = xstrdup ("");
char *tableinfo;
if (tables && TABLE (p) != NO_TABLE)
tableinfo = xasprintf (" table=%p prev=%p",
(void *) TABLE (p),
(void *) PREVIOUS (TABLE (p)));
else
tableinfo = xstrdup ("");
char *levelsinfo;
if (levels && TABLE (p) != NO_TABLE)
levelsinfo = xasprintf (" level=%d", LEVEL (TABLE (p)));
else
levelsinfo = xstrdup ("");
char mode[BUFFER_SIZE];
mode[0] = '\0';
if (MOID (p) != NO_MOID)
{
MOID_T *moid = MOID (p);
mode[0] = '\0';
a68_bufcat (mode, " (", 2);
if (IS (moid, SERIES_MODE))
{
if (PACK (moid) != NO_PACK && NEXT (PACK (moid)) == NO_PACK)
a68_bufcat (mode, a68_moid_to_string (MOID (PACK (moid)), MOID_ERROR_WIDTH, p),
BUFFER_SIZE);
else
a68_bufcat (mode, a68_moid_to_string (moid, MOID_ERROR_WIDTH, p), BUFFER_SIZE);
}
else
a68_bufcat (mode, a68_moid_to_string (moid, MOID_ERROR_WIDTH, p), BUFFER_SIZE);
a68_bufcat (mode, ")", 2);
}
location_t loc = a68_get_node_location (p);
std::unique_ptr<text_art::tree_widget> cwidget
= text_art::tree_widget::from_fmt (dwi, nullptr,
"%s:%d:%d [%d] %s%s%s%s%s",
LOCATION_FILE (loc),
LOCATION_LINE (loc),
LOCATION_COLUMN (loc),
NUMBER (p),
a68_attribute_name (ATTRIBUTE (p)),
symbol,
mode,
tableinfo,
levelsinfo);
free (symbol);
free (tableinfo);
free (levelsinfo);
a68_dump_parse_tree_1 (SUB (p), dwi, *cwidget, tables, levels);
widget.add_child (std::move (cwidget));
}
}
void
a68_dump_parse_tree (NODE_T *p, bool tables, bool levels)
{
text_art::style_manager sm;
text_art::style::id_t default_style_id (sm.get_or_create_id (text_art::style ()));
text_art::ascii_theme theme;
text_art::dump_widget_info dwi (sm, theme, default_style_id);
std::unique_ptr<text_art::tree_widget> widget
= text_art::tree_widget::from_fmt (dwi, nullptr, "Parse Tree");
a68_dump_parse_tree_1 (p, dwi, *widget, tables, levels);
text_art::canvas c (widget->to_canvas (sm));
pretty_printer *const pp = global_dc->get_reference_printer ();
pp_clear_output_area (pp);
c.print_to_pp (pp);
printf ("%s", pp_formatted_text (pp));
}
/* Dump the modes in the list MOID. */
void
a68_dump_modes (MOID_T *moid)
{
for (; moid != NO_MOID; FORWARD (moid))
{
printf ("%p %s\n", (void *) moid,
a68_moid_to_string (moid, MOID_ERROR_WIDTH, NODE (moid),
true /* indicant_value */));
}
}
/* Dump a given MOIF. */
void
a68_dump_moif (MOIF_T *moif)
{
text_art::style_manager sm;
text_art::style::id_t default_style_id (sm.get_or_create_id (text_art::style ()));
text_art::ascii_theme theme;
text_art::dump_widget_info dwi (sm, theme, default_style_id);
std::unique_ptr<text_art::tree_widget> widget
= text_art::tree_widget::from_fmt (dwi, nullptr, "module interface: %s", NAME (moif));
std::unique_ptr<text_art::tree_widget> prelude_widget
= text_art::tree_widget::from_fmt (dwi, nullptr, "prelude: %s", PRELUDE (moif));
widget->add_child (std::move (prelude_widget));
std::unique_ptr<text_art::tree_widget> postlude_widget
= text_art::tree_widget::from_fmt (dwi, nullptr, "postlude: %s", POSTLUDE (moif));
widget->add_child (std::move (postlude_widget));
/* Mode table. */
std::unique_ptr<text_art::tree_widget> modes_widget
= text_art::tree_widget::from_fmt (dwi, nullptr, "modes");
for (MOID_T *mode : MODES (moif))
{
const char *asm_label = ASM_LABEL (mode);
if (asm_label == NULL)
asm_label = a68_moid_to_string (mode, 80, NO_NODE, false);
std::unique_ptr<text_art::tree_widget> mode_widget
= text_art::tree_widget::from_fmt (dwi, nullptr, "mode: %s: %s",
asm_label,
a68_moid_to_string (mode, 80, NO_NODE, true));
modes_widget->add_child (std::move (mode_widget));
}
widget->add_child (std::move (modes_widget));
/* Module extracts. */
std::unique_ptr<text_art::tree_widget> mod_extracts_widget
= text_art::tree_widget::from_fmt (dwi, nullptr, "module extracts");
for (EXTRACT_T *e : MODULES (moif))
{
std::unique_ptr<text_art::tree_widget> mod_extract_widget
= text_art::tree_widget::from_fmt (dwi, nullptr, "module extract: %s", EXTRACT_SYMBOL (e));
mod_extracts_widget->add_child (std::move (mod_extract_widget));
}
widget->add_child (std::move (mod_extracts_widget));
/* Mode extracts. */
std::unique_ptr<text_art::tree_widget> mode_extracts_widget
= text_art::tree_widget::from_fmt (dwi, nullptr, "mode extracts");
for (EXTRACT_T *e : INDICANTS (moif))
{
const char *asm_label = ASM_LABEL (EXTRACT_MODE (e));
if (asm_label == NULL)
asm_label = a68_moid_to_string (EXTRACT_MODE (e), 80, NO_NODE, false);
std::unique_ptr<text_art::tree_widget> mode_extract_widget
= text_art::tree_widget::from_fmt (dwi, nullptr, "mode extract: %s [%s]",
EXTRACT_SYMBOL (e), asm_label);
mode_extracts_widget->add_child (std::move (mode_extract_widget));
}
widget->add_child (std::move (mode_extracts_widget));
/* Priority extracts. */
std::unique_ptr<text_art::tree_widget> prio_extracts_widget
= text_art::tree_widget::from_fmt (dwi, nullptr, "prio extracts");
for (EXTRACT_T *e : PRIOS (moif))
{
std::unique_ptr<text_art::tree_widget> prio_extract_widget
= text_art::tree_widget::from_fmt (dwi, nullptr, "prio extract: %s [prio: %d]",
EXTRACT_SYMBOL (e), EXTRACT_PRIO (e));
prio_extracts_widget->add_child (std::move (prio_extract_widget));
}
widget->add_child (std::move (prio_extracts_widget));
/* Identifier extracts. */
std::unique_ptr<text_art::tree_widget> id_extracts_widget
= text_art::tree_widget::from_fmt (dwi, nullptr, "identifier extracts");
for (EXTRACT_T *e : IDENTIFIERS (moif))
{
const char *asm_label = ASM_LABEL (EXTRACT_MODE (e));
if (asm_label == NULL)
asm_label = a68_moid_to_string (EXTRACT_MODE (e), 80, NO_NODE, false);
std::unique_ptr<text_art::tree_widget> id_extract_widget
= text_art::tree_widget::from_fmt (dwi, nullptr, "iden extract: %s [%s] variable=%d inproc=%d",
EXTRACT_SYMBOL (e), asm_label,
EXTRACT_VARIABLE (e),
EXTRACT_IN_PROC (e));
id_extracts_widget->add_child (std::move (id_extract_widget));
}
widget->add_child (std::move (id_extracts_widget));
/* Operator extracts. */
std::unique_ptr<text_art::tree_widget> op_extracts_widget
= text_art::tree_widget::from_fmt (dwi, nullptr, "operator extracts");
for (EXTRACT_T *e : OPERATORS (moif))
{
const char *asm_label = ASM_LABEL (EXTRACT_MODE (e));
if (asm_label == NULL)
asm_label = a68_moid_to_string (EXTRACT_MODE (e), 80, NO_NODE, false);
std::unique_ptr<text_art::tree_widget> op_extract_widget
= text_art::tree_widget::from_fmt (dwi, nullptr, "op extract: %s [%s] variable=%d inproc=%d",
EXTRACT_SYMBOL (e), asm_label,
EXTRACT_VARIABLE (e),
EXTRACT_IN_PROC (e));
op_extracts_widget->add_child (std::move (op_extract_widget));
}
widget->add_child (std::move (op_extracts_widget));
text_art::canvas c (widget->to_canvas (sm));
pretty_printer *const pp = global_dc->get_reference_printer ();
pp_clear_output_area (pp);
c.print_to_pp (pp);
printf ("%s", pp_formatted_text (pp));
}
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