mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-23 12:52:46 +00:00
601 lines
17 KiB
C
601 lines
17 KiB
C
/*
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dot_expr.c
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"emit" expressions to dot (graphvis).
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Copyright (C) 2011 Bill Currie <bill@taniwha.org>
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Author: Bill Currie <bill@taniwha.org>
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Date: 2011/01/20
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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/mathlib.h>
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#include <QF/quakeio.h>
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#include <QF/va.h>
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#include "qfalloca.h"
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#include "expr.h"
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#include "symtab.h"
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#include "type.h"
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#include "qc-parse.h"
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#include "strpool.h"
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const char *expr_names[] =
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{
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"error",
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"state",
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"bool",
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"label",
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"labelref",
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"block",
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"expr",
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"uexpr",
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"symbol",
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"temp",
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"vector",
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"nil",
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"value",
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"compound",
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"memset",
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};
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const char *
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get_op_string (int op)
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{
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switch (op) {
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case OR: return "||";
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case AND: return "&&";
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case EQ: return "==";
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case NE: return "!=";
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case LE: return "<=";
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case GE: return ">=";
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case LT: return "<";
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case GT: return ">";
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case '=': return "=";
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case '+': return "+";
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case '-': return "-";
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case '*': return "*";
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case '/': return "/";
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case '%': return "%";
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case MOD: return "%%";
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case '&': return "&";
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case '|': return "|";
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case '^': return "^";
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case '~': return "~";
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case '!': return "!";
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case SHL: return "<<";
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case SHR: return ">>";
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case '.': return ".";
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case 'i': return "<if>";
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case 'n': return "<ifnot>";
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case IFBE: return "<ifbe>";
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case IFB: return "<ifb>";
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case IFAE: return "<ifae>";
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case IFA: return "<ifa>";
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case 'g': return "<goto>";
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case 'r': return "<return>";
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case 's': return "<state>";
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case 'c': return "<call>";
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case 'A': return "<alias>";
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case 'C': return "<cast>";
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case 'M': return "<move>";
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case 'm': return "<move>";
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default:
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return "unknown";
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}
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}
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typedef void (*print_f) (dstring_t *dstr, expr_t *, int, int, expr_t *);
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static void _print_expr (dstring_t *dstr, expr_t *e, int level, int id,
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expr_t *next);
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static void
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print_error (dstring_t *dstr, expr_t *e, int level, int id, expr_t *next)
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{
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int indent = level * 2 + 2;
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dasprintf (dstr, "%*se_%p [label=\"(error)\\n%d\"];\n", indent, "", e,
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e->line);
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}
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static void
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print_state (dstring_t *dstr, expr_t *e, int level, int id, expr_t *next)
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{
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int indent = level * 2 + 2;
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_print_expr (dstr, e->e.state.frame, level, id, next);
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_print_expr (dstr, e->e.state.think, level, id, next);
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if (e->e.state.step)
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_print_expr (dstr, e->e.state.step, level, id, next);
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dasprintf (dstr, "%*se_%p:f -> \"e_%p\";\n", indent, "", e,
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e->e.state.frame);
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dasprintf (dstr, "%*se_%p:t -> \"e_%p\";\n", indent, "", e,
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e->e.state.think);
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if (e->e.state.step)
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dasprintf (dstr, "%*se_%p:s -> e_%p;\n", indent, "", e,
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e->e.state.step);
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dasprintf (dstr,
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"%*se_%p [label=\"<f>state|<t>think|<s>step\",shape=record];\n",
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indent, "", e);
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}
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static void
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print_bool (dstring_t *dstr, expr_t *e, int level, int id, expr_t *next)
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{
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int indent = level * 2 + 2;
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int i, count;
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int tl_count = 0, fl_count = 0;
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ex_bool_t *bool = &e->e.bool;
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dasprintf (dstr, "%*se_%p [shape=none,label=<\n", indent, "", e);
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dasprintf (dstr, "%*s<table border=\"0\" cellborder=\"1\" "
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"cellspacing=\"0\">\n",
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indent + 2, "");
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dasprintf (dstr, "%*s<tr><td colspan=\"2\"><bool>(%d)</td></tr>\n",
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indent + 4, "", e->line);
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dasprintf (dstr, "%*s<tr><td>true</td><td>false</td></tr>\n",
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indent + 4, "");
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if (bool->true_list)
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tl_count = bool->true_list->size;
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if (bool->false_list)
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fl_count = bool->false_list->size;
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count = min (tl_count, fl_count);
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for (i = 0; i < count; i++)
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dasprintf (dstr, "%*s<tr><td port=\"t%d\">t</td>"
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"<td port=\"f%d\">f</td></tr>\n", indent, "", i, i);
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for ( ; i < tl_count; i++)
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dasprintf (dstr, "%*s<tr><td port=\"t%d\">t</td>%s</tr>\n",
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indent, "", i,
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i == count ? va ("<td rowspan=\"%d\"></td>",
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bool->true_list->size - count)
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: "");
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for ( ; i < fl_count; i++)
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dasprintf (dstr, "%*s<tr>%s<td port=\"f%d\">f</td></tr>\n",
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indent, "",
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i == count ? va ("<td rowspan=\"%d\"></td>",
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bool->false_list->size - count)
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: "",
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i);
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dasprintf (dstr, "%*s</table>\n", indent + 2, "");
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dasprintf (dstr, "%*s>];\n", indent, "");
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if (e->next)
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next = e->next;
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_print_expr (dstr, e->e.bool.e, level, id, next);
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for (i = 0; i < tl_count; i++)
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dasprintf (dstr, "%*se_%p:t%d -> e_%p;\n", indent, "", e, i,
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bool->true_list->e[i]);
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for (i = 0; i < fl_count; i++)
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dasprintf (dstr, "%*se_%p:f%d -> e_%p;\n", indent, "", e, i,
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bool->false_list->e[i]);
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dasprintf (dstr, "%*se_%p -> e_%p;\n", indent, "", e, e->e.bool.e);
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}
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static void
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print_label (dstring_t *dstr, expr_t *e, int level, int id, expr_t *next)
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{
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int indent = level * 2 + 2;
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if (e->next)
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next = e->next;
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if (next)
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dasprintf (dstr, "%*se_%p -> e_%p [constraint=true,style=dashed];\n",
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indent, "", e, next);
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dasprintf (dstr, "%*se_%p [label=\"%s\\n%d\"];\n", indent, "", e,
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e->e.label.name, e->line);
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}
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static void
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print_labelref (dstring_t *dstr, expr_t *e, int level, int id, expr_t *next)
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{
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int indent = level * 2 + 2;
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if (e->next)
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next = e->next;
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if (next)
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dasprintf (dstr, "%*se_%p -> e_%p [constraint=true,style=dashed];\n",
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indent, "", e, e->next);
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dasprintf (dstr, "%*se_%p [label=\"&%s\\n%d\"];\n", indent, "", e,
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e->e.label.name, e->line);
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}
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static void
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print_block (dstring_t *dstr, expr_t *e, int level, int id, expr_t *next)
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{
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int indent = level * 2 + 2;
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int i;
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expr_t *se;
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dasprintf (dstr, "%*se_%p [shape=none,label=<\n", indent, "", e);
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dasprintf (dstr, "%*s<table border=\"0\" cellborder=\"1\" "
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"cellspacing=\"0\">\n", indent + 2, "");
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dasprintf (dstr, "%*s<tr><td colspan=\"2\"><block>(%d)%s</td>"
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"</tr>\n", indent + 4, "", e->line,
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e->e.block.is_call ? "c" : "");
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if (e->e.block.result)
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dasprintf (dstr, "%*s<tr><td colspan=\"2\" port=\"result\">=</td>"
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"</tr>\n", indent + 4, "");
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for (se = e->e.block.head, i = 0; se; se = se->next, i++)
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dasprintf (dstr, "%*s<tr><td>%d</td><td port=\"b%d\">%s</td></tr>\n",
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indent + 4, "", i, i, expr_names[se->type]);
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dasprintf (dstr, "%*s</table>\n", indent + 2, "");
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dasprintf (dstr, "%*s>];\n", indent, "");
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if (e->e.block.result) {
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_print_expr (dstr, e->e.block.result, level + 1, id, next);
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dasprintf (dstr, "%*se_%p:result -> e_%p;\n", indent, "", e,
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e->e.block.result);
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}
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if (e->next)
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next = e->next;
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for (se = e->e.block.head, i = 0; se; se = se->next, i++) {
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_print_expr (dstr, se, level + 1, id, next);
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dasprintf (dstr, "%*se_%p:b%d -> e_%p;\n", indent, "", e,
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i, se);
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}
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}
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static void
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print_call (dstring_t *dstr, expr_t *e, int level, int id, expr_t *next)
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{
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int indent = level * 2 + 2;
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expr_t *p;
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int i, count;
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expr_t **args;
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for (count = 0, p = e->e.expr.e2; p; p = p->next)
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count++;
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args = alloca (count * sizeof (expr_t *));
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for (i = 0, p = e->e.expr.e2; p; p = p->next, i++)
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args[count - 1 - i] = p;
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_print_expr (dstr, e->e.expr.e1, level, id, next);
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dasprintf (dstr, "%*se_%p [label=\"<c>call", indent, "", e);
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for (i = 0; i < count; i++)
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dasprintf (dstr, "|<p%d>p%d", i, i);
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dasprintf (dstr, "\",shape=record];\n");
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for (i = 0; i < count; i++) {
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_print_expr (dstr, args[i], level + 1, id, next);
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dasprintf (dstr, "%*se_%p:p%d -> e_%p;\n", indent + 2, "", e, i,
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args[i]);
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}
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dasprintf (dstr, "%*se_%p:c -> e_%p;\n", indent, "", e, e->e.expr.e1);
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}
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static void
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print_subexpr (dstring_t *dstr, expr_t *e, int level, int id, expr_t *next)
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{
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int indent = level * 2 + 2;
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if (e->e.expr.op == 'c') {
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print_call (dstr, e, level, id, next);
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return;
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} else if (e->e.expr.op == 'i' || e->e.expr.op == 'n'
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|| e->e.expr.op == IFB || e->e.expr.op ==IFBE
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|| e->e.expr.op == IFA || e->e.expr.op ==IFAE) {
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_print_expr (dstr, e->e.expr.e1, level, id, next);
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dasprintf (dstr, "%*se_%p -> \"e_%p\" [label=\"t\"];\n", indent, "", e,
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e->e.expr.e1);
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dasprintf (dstr, "%*se_%p -> \"e_%p\" [label=\"g\"];\n", indent, "", e,
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e->e.expr.e2);
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if (e->next)
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next = e->next;
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if (next)
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dasprintf (dstr, "%*se_%p -> e_%p [constraint=true,"
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"style=dashed];\n", indent, "", e, next);
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} else {
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_print_expr (dstr, e->e.expr.e1, level, id, next);
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_print_expr (dstr, e->e.expr.e2, level, id, next);
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dasprintf (dstr, "%*se_%p -> \"e_%p\" [label=\"l\"];\n", indent, "", e,
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e->e.expr.e1);
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dasprintf (dstr, "%*se_%p -> \"e_%p\" [label=\"r\"];\n", indent, "", e,
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e->e.expr.e2);
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}
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if (e->e.expr.op == 'A') {
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dstring_t *typestr = dstring_newstr();
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print_type_str (typestr, e->e.expr.type);
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dasprintf (dstr, "%*se_%p [label=\"%s (%s)\\n%d\"];\n", indent, "", e,
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get_op_string (e->e.expr.op), typestr->str, e->line);
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dstring_delete (typestr);
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} else {
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dasprintf (dstr, "%*se_%p [label=\"%s\\n%d\"];\n", indent, "", e,
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get_op_string (e->e.expr.op), e->line);
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}
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}
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static void
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print_uexpr (dstring_t *dstr, expr_t *e, int level, int id, expr_t *next)
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{
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int indent = level * 2 + 2;
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dstring_t *typestr = dstring_newstr();
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if (e->e.expr.op != 'g' && e->e.expr.e1)
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_print_expr (dstr, e->e.expr.e1, level, id, next);
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if (e->e.expr.op == 'A') {
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dstring_copystr (typestr, "\\n");
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print_type_str (typestr, e->e.expr.type);
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}
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if (e->e.expr.op != 'r' || e->e.expr.e1)
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dasprintf (dstr, "%*se_%p -> \"e_%p\";\n", indent, "", e,
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e->e.expr.e1);
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dasprintf (dstr, "%*se_%p [label=\"%s%s\\n%d\"];\n", indent, "", e,
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get_op_string (e->e.expr.op), typestr->str, e->line);
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dstring_delete (typestr);
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}
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static void
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print_symbol (dstring_t *dstr, expr_t *e, int level, int id, expr_t *next)
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{
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int indent = level * 2 + 2;
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dasprintf (dstr, "%*se_%p [label=\"%s\\n%d\"];\n", indent, "", e,
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e->e.symbol->name, e->line);
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}
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static void
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print_temp (dstring_t *dstr, expr_t *e, int level, int id, expr_t *next)
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{
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int indent = level * 2 + 2;
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dasprintf (dstr, "%*se_%p [label=\"tmp_%p\\n%d\"];\n", indent, "", e, e,
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e->line);
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}
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static void
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print_vector (dstring_t *dstr, expr_t *e, int level, int id, expr_t *next)
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{
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int indent = level * 2 + 2;
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if (e->e.vector.type == &type_vector) {
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expr_t *x = e->e.vector.list;
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expr_t *y = x->next;
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expr_t *z = y->next;
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_print_expr (dstr, x, level, id, next);
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_print_expr (dstr, y, level, id, next);
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_print_expr (dstr, z, level, id, next);
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dasprintf (dstr, "%*se_%p -> \"e_%p\";\n", indent, "", e, x);
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dasprintf (dstr, "%*se_%p -> \"e_%p\";\n", indent, "", e, y);
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dasprintf (dstr, "%*se_%p -> \"e_%p\";\n", indent, "", e, z);
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}
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if (e->e.vector.type == &type_quaternion) {
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if (e->e.vector.list->next->next) {
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expr_t *x = e->e.vector.list;
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expr_t *y = x->next;
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expr_t *z = y->next;
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expr_t *w = z->next;
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_print_expr (dstr, x, level, id, next);
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_print_expr (dstr, y, level, id, next);
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_print_expr (dstr, z, level, id, next);
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_print_expr (dstr, w, level, id, next);
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dasprintf (dstr, "%*se_%p -> \"e_%p\";\n", indent, "", e, x);
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dasprintf (dstr, "%*se_%p -> \"e_%p\";\n", indent, "", e, y);
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dasprintf (dstr, "%*se_%p -> \"e_%p\";\n", indent, "", e, z);
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dasprintf (dstr, "%*se_%p -> \"e_%p\";\n", indent, "", e, w);
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} else {
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expr_t *v = e->e.vector.list;
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expr_t *s = v->next;
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_print_expr (dstr, v, level, id, next);
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_print_expr (dstr, s, level, id, next);
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dasprintf (dstr, "%*se_%p -> \"e_%p\";\n", indent, "", e, v);
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dasprintf (dstr, "%*se_%p -> \"e_%p\";\n", indent, "", e, s);
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}
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}
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dasprintf (dstr, "%*se_%p [label=\"vector %d\"];\n", indent, "", e,
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e->line);
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}
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static void
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print_nil (dstring_t *dstr, expr_t *e, int level, int id, expr_t *next)
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{
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int indent = level * 2 + 2;
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dasprintf (dstr, "%*se_%p [label=\"nil\\n%d\"];\n", indent, "", e,
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e->line);
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}
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static void
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print_value (dstring_t *dstr, expr_t *e, int level, int id, expr_t *next)
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{
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int indent = level * 2 + 2;
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type_t *type;
|
|
const char *label = "?!?";
|
|
static dstring_t *type_str;
|
|
|
|
if (!type_str) {
|
|
type_str = dstring_newstr ();
|
|
}
|
|
|
|
switch (e->e.value->lltype) {
|
|
case ev_string:
|
|
label = va ("\\\"%s\\\"", quote_string (e->e.value->v.string_val));
|
|
break;
|
|
case ev_double:
|
|
label = va ("f %g", e->e.value->v.double_val);
|
|
break;
|
|
case ev_float:
|
|
label = va ("f %g", e->e.value->v.float_val);
|
|
break;
|
|
case ev_vector:
|
|
label = va ("'%g %g %g'",
|
|
e->e.value->v.vector_val[0],
|
|
e->e.value->v.vector_val[1],
|
|
e->e.value->v.vector_val[2]);
|
|
break;
|
|
case ev_quat:
|
|
label = va ("'%g %g %g %g'",
|
|
e->e.value->v.quaternion_val[0],
|
|
e->e.value->v.quaternion_val[1],
|
|
e->e.value->v.quaternion_val[2],
|
|
e->e.value->v.quaternion_val[3]);
|
|
break;
|
|
case ev_pointer:
|
|
type = e->e.value->v.pointer.type;
|
|
dstring_clearstr(type_str);
|
|
if (type) {
|
|
print_type_str (type_str, type);
|
|
}
|
|
if (e->e.value->v.pointer.def)
|
|
label = va ("(*%s)[%d]<%s>",
|
|
type ? type_str->str : "???",
|
|
e->e.value->v.pointer.val,
|
|
e->e.value->v.pointer.def->name);
|
|
else
|
|
label = va ("(*%s)[%d]",
|
|
type ? type_str->str : "???",
|
|
e->e.value->v.pointer.val);
|
|
break;
|
|
case ev_field:
|
|
label = va ("field %d", e->e.value->v.pointer.val);
|
|
break;
|
|
case ev_entity:
|
|
label = va ("ent %d", e->e.value->v.integer_val);
|
|
break;
|
|
case ev_func:
|
|
label = va ("func %d", e->e.value->v.integer_val);
|
|
break;
|
|
case ev_integer:
|
|
label = va ("i %d", e->e.value->v.integer_val);
|
|
break;
|
|
case ev_uinteger:
|
|
label = va ("u %u", e->e.value->v.uinteger_val);
|
|
break;
|
|
case ev_short:
|
|
label = va ("s %d", e->e.value->v.short_val);
|
|
break;
|
|
case ev_void:
|
|
label = "<void>";
|
|
break;
|
|
case ev_invalid:
|
|
label = "<invalid>";
|
|
break;
|
|
case ev_type_count:
|
|
label = "<type_count>";
|
|
break;
|
|
}
|
|
dasprintf (dstr, "%*se_%p [label=\"%s\\n%d\"];\n", indent, "", e, label,
|
|
e->line);
|
|
}
|
|
|
|
static void
|
|
print_compound (dstring_t *dstr, expr_t *e, int level, int id, expr_t *next)
|
|
{
|
|
int indent = level * 2 + 2;
|
|
dasprintf (dstr, "%*se_%p [label=\"compound init\"];\n", indent, "", e);
|
|
}
|
|
|
|
static void
|
|
print_memset (dstring_t *dstr, expr_t *e, int level, int id, expr_t *next)
|
|
{
|
|
int indent = level * 2 + 2;
|
|
expr_t *dst = e->e.memset.dst;
|
|
expr_t *val = e->e.memset.val;
|
|
expr_t *count = e->e.memset.count;
|
|
_print_expr (dstr, dst, level, id, next);
|
|
_print_expr (dstr, val, level, id, next);
|
|
_print_expr (dstr, count, level, id, next);
|
|
dasprintf (dstr, "%*se_%p -> \"e_%p\";\n", indent, "", e, dst);
|
|
dasprintf (dstr, "%*se_%p -> \"e_%p\";\n", indent, "", e, val);
|
|
dasprintf (dstr, "%*se_%p -> \"e_%p\";\n", indent, "", e, count);
|
|
dasprintf (dstr, "%*se_%p [label=\"memset\"];\n", indent, "", e);
|
|
}
|
|
|
|
static void
|
|
_print_expr (dstring_t *dstr, expr_t *e, int level, int id, expr_t *next)
|
|
{
|
|
static print_f print_funcs[] = {
|
|
print_error,
|
|
print_state,
|
|
print_bool,
|
|
print_label,
|
|
print_labelref,
|
|
print_block,
|
|
print_subexpr,
|
|
print_uexpr,
|
|
print_symbol,
|
|
print_temp,
|
|
print_vector,
|
|
print_nil,
|
|
print_value,
|
|
print_compound,
|
|
print_memset,
|
|
};
|
|
int indent = level * 2 + 2;
|
|
|
|
if (!e) {
|
|
dasprintf (dstr, "%*s\"e_%p\" [label=\"(null)\"];\n", indent, "", e);
|
|
return;
|
|
}
|
|
if (e->printid == id) // already printed this expression
|
|
return;
|
|
e->printid = id;
|
|
|
|
if ((int) e->type < 0 || e->type > ex_memset) {
|
|
dasprintf (dstr, "%*se_%p [label=\"(bad expr type)\\n%d\"];\n",
|
|
indent, "", e, e->line);
|
|
return;
|
|
}
|
|
print_funcs [e->type] (dstr, e, level, id, next);
|
|
|
|
}
|
|
|
|
void
|
|
dump_dot_expr (void *_e, const char *filename)
|
|
{
|
|
static int id = 0;
|
|
dstring_t *dstr = dstring_newstr ();
|
|
expr_t *e = (expr_t *) _e;
|
|
|
|
dasprintf (dstr, "digraph expr_%p {\n", e);
|
|
dasprintf (dstr, " graph [label=\"%s\"];\n", quote_string (filename));
|
|
dasprintf (dstr, " layout=dot; rankdir=TB; compound=true;\n");
|
|
_print_expr (dstr, e, 0, ++id, 0);
|
|
dasprintf (dstr, "}\n");
|
|
|
|
if (filename) {
|
|
QFile *file;
|
|
|
|
file = Qopen (filename, "wt");
|
|
Qwrite (file, dstr->str, dstr->size - 1);
|
|
Qclose (file);
|
|
} else {
|
|
fputs (dstr->str, stdout);
|
|
}
|
|
dstring_delete (dstr);
|
|
}
|
|
|
|
void
|
|
print_expr (expr_t *e)
|
|
{
|
|
dump_dot_expr (e, 0);
|
|
}
|