mirror of
https://git.code.sf.net/p/quake/quakeforge
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107 lines
2.8 KiB
C
107 lines
2.8 KiB
C
/*
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dot_dag.c
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Output dags to dot (graphvis).
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Copyright (C) 2012 Bill Currie <bill@taniwha.org>
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Author: Bill Currie <bill@taniwha.org>
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Date: 2012/05/08
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#ifdef HAVE_STRING_H
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# include <string.h>
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#endif
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif
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#include <stdlib.h>
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#include <QF/dstring.h>
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#include <QF/quakeio.h>
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#include <QF/va.h>
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#include "dags.h"
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#include "statements.h"
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#include "symtab.h"
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#include "type.h"
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static int print_count;
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static void
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print_node (dstring_t *dstr, dagnode_t *node)
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{
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if (node->print_count == print_count)
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return;
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node->print_count = print_count;
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if (!node->a && (node->b || node->c)) {
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dasprintf (dstr, " \"dag_%p\" [label=\"bad node\"];\n", node);
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return;
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}
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if (node->a) {
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dasprintf (dstr, " \"dag_%p\" -> \"dag_%p\" [label=a];\n", node,
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node->a);
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print_node (dstr, node->a);
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}
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if (node->b) {
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dasprintf (dstr, " \"dag_%p\" -> \"dag_%p\" [label=b];\n", node,
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node->b);
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print_node (dstr, node->b);
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}
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if (node->c) {
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dasprintf (dstr, " \"dag_%p\" -> \"dag_%p\" [label=c];\n", node,
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node->c);
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print_node (dstr, node->c);
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}
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if (node->next)
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dasprintf (dstr, " \"dag_%p\" -> \"dag_%p\" [style=dashed];\n", node,
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node->next);
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dasprintf (dstr, " \"dag_%p\" [%slabel=\"%s\"];\n", node,
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node->a ? "" : "shape=none,", daglabel_string (node->label));
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if (node->identifiers) {
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daglabel_t *id;
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dasprintf (dstr, " \"dag_%p\" -> \"dagid_%p\" "
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"[style=dashed,dir=none];\n", node, node);
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dasprintf (dstr, " \"dagid_%p\" [shape=none,label=<\n", node);
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dasprintf (dstr, " <table border=\"0\" cellborder=\"1\" "
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"cellspacing=\"0\">\n");
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dasprintf (dstr, " <tr>\n");
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dasprintf (dstr, " <td>");
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for (id = node->identifiers; id; id = id->next)
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dasprintf (dstr, "%s%s", daglabel_string(id), id->next ? " " : "");
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dasprintf (dstr, " </td>");
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dasprintf (dstr, " </tr>\n");
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dasprintf (dstr, " </table>>];\n");
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}
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}
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void
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print_dag (dstring_t *dstr, dagnode_t *dag)
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{
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print_count++;
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for (; dag; dag = dag->next)
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print_node (dstr, dag);
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}
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