quakeforge/tools/qfcc/source/dot_expr.c
Bill Currie 2c29dcd7d9 [qfcc] Allow more control of intrinsic functions
If `@intrinsic()` is followed by `[expr_list]` then those expresses will
be used to create the intrinsic rather than the function's parameters,
allowing for reordering, adding extra parameters or even complex
expressions.

However, only the parsing is implemented.
2025-01-15 18:47:56 +09:00

1037 lines
32 KiB
C

/*
dot_expr.c
"emit" expressions to dot (graphvis).
Copyright (C) 2011 Bill Currie <bill@taniwha.org>
Author: Bill Currie <bill@taniwha.org>
Date: 2011/01/20
This program 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
of the License, or (at your option) any later version.
This program 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 this program; if not, write to:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#include <stdlib.h>
#include <inttypes.h>
#include <QF/dstring.h>
#include <QF/mathlib.h>
#include <QF/quakeio.h>
#include <QF/va.h>
#include "qfalloca.h"
#include "tools/qfcc/include/algebra.h"
#include "tools/qfcc/include/attribute.h"
#include "tools/qfcc/include/expr.h"
#include "tools/qfcc/include/method.h"
#include "tools/qfcc/include/rua-lang.h"
#include "tools/qfcc/include/strpool.h"
#include "tools/qfcc/include/symtab.h"
#include "tools/qfcc/include/type.h"
#include "tools/qfcc/include/value.h"
#define EX_EXPR(expr) #expr,
const char *expr_names[] =
{
#include "tools/qfcc/include/expr_names.h"
0
};
const char *
get_op_string (int op)
{
switch (op) {
case QC_OR: return "||";
case QC_AND: return "&&";
case QC_EQ: return "==";
case QC_NE: return "!=";
case QC_LE: return "<=";
case QC_GE: return ">=";
case QC_LT: return "<";
case QC_GT: return ">";
case '=': return "=";
case '+': return "+";
case '-': return "-";
case '*': return "*";
case '/': return "/";
case '%': return "%";
case QC_MOD: return "%%";
case '&': return "&";
case '|': return "|";
case '^': return "^";
case '~': return "~";
case '!': return "!";
case QC_SHL: return "<<";
case QC_SHR: return ">>";
case '.': return ".";
case 'C': return "<cast>";
case 'S': return "<sizeof>";
case QC_SCALE: return "@scale";
case QC_GEOMETRIC: return "@geometric";
case QC_QMUL: return "@qmul";
case QC_QVMUL: return "@qvmul";
case QC_VQMUL: return "@vqmul";
case QC_HADAMARD: return "@hadamard";
case QC_CROSS: return "@cross";
case QC_DOT: return "@dot";
case QC_OUTER: return "@outer";
case QC_WEDGE: return "@wedge";
case QC_REGRESSIVE: return "@regressive";
case QC_REVERSE: return "@reverse";
case QC_DUAL: return "@dual";
case QC_UNDUAL: return "@undual";
case QC_ATTRIBUTE: return ".attribute";
case QC_AT_FUNCTION:return "@function";
case QC_AT_FIELD: return "@field";
case QC_AT_POINTER: return "@pointer";
case QC_AT_ARRAY: return "@array";
case QC_AT_BASE: return "@base";
case QC_AT_WIDTH: return "@width";
case QC_AT_VECTOR: return "@vector";
case QC_AT_ROWS: return "@rows";
case QC_AT_COLS: return "@cols";
case QC_AT_MATRIX: return "@matrix";
case QC_AT_INT: return "@int";
case QC_AT_UINT: return "@uint";
case QC_AT_BOOL: return "@bool";
case QC_AT_FLOAT: return "@float";
default:
return "unknown";
}
}
typedef void print_f (dstring_t *dstr, const expr_t *, int, int,
const expr_t *);
static print_f _print_expr;
static void
print_error (dstring_t *dstr, const expr_t *e, int level, int id, const expr_t *next)
{
int indent = level * 2 + 2;
dasprintf (dstr, "%*se_%p [label=\"(error)\\n%d\"];\n", indent, "", e,
e->loc.line);
}
static void
print_state (dstring_t *dstr, const expr_t *e, int level, int id, const expr_t *next)
{
int indent = level * 2 + 2;
_print_expr (dstr, e->state.frame, level, id, next);
_print_expr (dstr, e->state.think, level, id, next);
if (e->state.step)
_print_expr (dstr, e->state.step, level, id, next);
dasprintf (dstr, "%*se_%p:f -> \"e_%p\";\n", indent, "", e,
e->state.frame);
dasprintf (dstr, "%*se_%p:t -> \"e_%p\";\n", indent, "", e,
e->state.think);
if (e->state.step)
dasprintf (dstr, "%*se_%p:s -> e_%p;\n", indent, "", e,
e->state.step);
dasprintf (dstr,
"%*se_%p [label=\"<f>state|<t>think|<s>step\",shape=record];\n",
indent, "", e);
}
static void
print_bool (dstring_t *dstr, const expr_t *e, int level, int id, const expr_t *next)
{
int indent = level * 2 + 2;
int i, count;
int tl_count = 0, fl_count = 0;
const ex_bool_t *boolean = &e->boolean;
dasprintf (dstr, "%*se_%p [shape=none,label=<\n", indent, "", e);
dasprintf (dstr, "%*s<table border=\"0\" cellborder=\"1\" "
"cellspacing=\"0\">\n",
indent + 2, "");
dasprintf (dstr, "%*s<tr><td colspan=\"2\">&lt;boolean&gt;(%d)</td></tr>\n",
indent + 4, "", e->loc.line);
dasprintf (dstr, "%*s<tr><td>true</td><td>false</td></tr>\n",
indent + 4, "");
if (boolean->true_list)
tl_count = boolean->true_list->size;
if (boolean->false_list)
fl_count = boolean->false_list->size;
count = min (tl_count, fl_count);
for (i = 0; i < count; i++)
dasprintf (dstr, "%*s<tr><td port=\"t%d\">t</td>"
"<td port=\"f%d\">f</td></tr>\n", indent, "", i, i);
for ( ; i < tl_count; i++)
dasprintf (dstr, "%*s<tr><td port=\"t%d\">t</td>%s</tr>\n",
indent, "", i,
i == count ? va (0, "<td rowspan=\"%d\"></td>",
boolean->true_list->size - count)
: "");
for ( ; i < fl_count; i++)
dasprintf (dstr, "%*s<tr>%s<td port=\"f%d\">f</td></tr>\n",
indent, "",
i == count ? va (0, "<td rowspan=\"%d\"></td>",
boolean->false_list->size - count)
: "",
i);
dasprintf (dstr, "%*s</table>\n", indent + 2, "");
dasprintf (dstr, "%*s>];\n", indent, "");
_print_expr (dstr, e->boolean.e, level, id, next);
for (i = 0; i < tl_count; i++)
dasprintf (dstr, "%*se_%p:t%d -> e_%p;\n", indent, "", e, i,
boolean->true_list->e[i]);
for (i = 0; i < fl_count; i++)
dasprintf (dstr, "%*se_%p:f%d -> e_%p;\n", indent, "", e, i,
boolean->false_list->e[i]);
dasprintf (dstr, "%*se_%p -> e_%p;\n", indent, "", e, e->boolean.e);
}
static void
print_label (dstring_t *dstr, const expr_t *e, int level, int id, const expr_t *next)
{
int indent = level * 2 + 2;
if (next)
dasprintf (dstr, "%*se_%p -> e_%p [constraint=true,style=dashed];\n",
indent, "", e, next);
dasprintf (dstr, "%*se_%p [label=\"%s\\n%d\"];\n", indent, "", e,
e->label.name, e->loc.line);
}
static void
print_labelref (dstring_t *dstr, const expr_t *e, int level, int id, const expr_t *next)
{
int indent = level * 2 + 2;
if (next)
dasprintf (dstr, "%*se_%p -> e_%p [constraint=true,style=dashed];\n",
indent, "", e, next);
dasprintf (dstr, "%*se_%p [label=\"&%s\\n%d\"];\n", indent, "", e,
e->label.name, e->loc.line);
}
static void
print_block (dstring_t *dstr, const expr_t *e, int level, int id,
const expr_t *next)
{
int indent = level * 2 + 2;
int num_exprs = list_count (&e->block.list);
const expr_t *exprs[num_exprs + 1];
list_scatter (&e->block.list, exprs);
exprs[num_exprs] = next;
int colspan = num_exprs ? num_exprs : 1;
dasprintf (dstr, "%*se_%p [shape=none,label=<\n", indent, "", e);
dasprintf (dstr, "%*s<table border=\"0\" cellborder=\"1\" "
"cellspacing=\"0\">\n", indent + 2, "");
dasprintf (dstr, "%*s<tr><td colspan=\"%d\">&lt;block&gt;(%d)%s</td>"
"</tr>\n", indent + 4, "", colspan, e->loc.line,
e->block.is_call ? "c" : "");
if (e->block.result)
dasprintf (dstr, "%*s<tr><td colspan=\"%d\" port=\"result\">=</td>"
"</tr>\n", indent + 4, "", colspan);
if (num_exprs) {
dasprintf (dstr, "%*s<tr>\n", indent + 4, "");
for (int i = 0; i < num_exprs; i++) {
dasprintf (dstr, "%*s<td>%d</td>\n", indent + 8, "",
exprs[i]->loc.line);
}
dasprintf (dstr, "%*s</tr>\n", indent + 4, "");
dasprintf (dstr, "%*s<tr>\n", indent + 4, "");
for (int i = 0; i < num_exprs; i++) {
dasprintf (dstr, "%*s<td port=\"b%d\">%s</td>\n", indent + 8, "",
i, expr_names[exprs[i]->type]);
}
dasprintf (dstr, "%*s</tr>\n", indent + 4, "");
}
dasprintf (dstr, "%*s</table>\n", indent + 2, "");
dasprintf (dstr, "%*s>];\n", indent, "");
if (e->block.result) {
_print_expr (dstr, e->block.result, level + 1, id, next);
dasprintf (dstr, "%*se_%p:result -> e_%p;\n", indent, "", e,
e->block.result);
}
// print any label expressions first to ensure they get the correct
// next pointer instead of pointing to themselves.
for (int i = 0; i < num_exprs; i++) {
if (exprs[i]->type == ex_label) {
_print_expr (dstr, exprs[i], level + 1, id, exprs[i + 1]);
}
}
for (int i = 0; i < num_exprs; i++) {
_print_expr (dstr, exprs[i], level + 1, id, exprs[i + 1]);
dasprintf (dstr, "%*se_%p:b%d -> e_%p;\n", indent, "", e,
i, exprs[i]);
}
}
static void
print_list (dstring_t *dstr, const expr_t *e, int level, int id,
const expr_t *next)
{
int indent = level * 2 + 2;
int num_exprs = list_count (&e->list);
const expr_t *exprs[num_exprs + 1];
list_scatter (&e->list, exprs);
exprs[num_exprs] = 0;
int colspan = num_exprs ? num_exprs : 1;
dasprintf (dstr, "%*se_%p [shape=none,label=<\n", indent, "", e);
dasprintf (dstr, "%*s<table border=\"0\" cellborder=\"1\" "
"cellspacing=\"0\">\n", indent + 2, "");
dasprintf (dstr, "%*s<tr><td colspan=\"%d\">&lt;list&gt;(%d)</td>"
"</tr>\n", indent + 4, "", colspan, e->loc.line);
if (num_exprs) {
dasprintf (dstr, "%*s<tr>\n", indent + 4, "");
for (int i = 0; i < num_exprs; i++) {
dasprintf (dstr, "%*s<td>%d</td>\n", indent + 8, "",
exprs[i]->loc.line);
}
dasprintf (dstr, "%*s</tr>\n", indent + 4, "");
dasprintf (dstr, "%*s<tr>\n", indent + 4, "");
for (int i = 0; i < num_exprs; i++) {
dasprintf (dstr, "%*s<td port=\"b%d\">%s</td>\n", indent + 8, "",
i, expr_names[exprs[i]->type]);
}
dasprintf (dstr, "%*s</tr>\n", indent + 4, "");
}
dasprintf (dstr, "%*s</table>\n", indent + 2, "");
dasprintf (dstr, "%*s>];\n", indent, "");
for (int i = 0; i < num_exprs; i++) {
_print_expr (dstr, exprs[i], level + 1, id, exprs[i + 1]);
dasprintf (dstr, "%*se_%p:b%d -> e_%p;\n", indent, "", e,
i, exprs[i]);
}
}
static void
print_type_expr (dstring_t *dstr, const expr_t *e, int level, int id,
const expr_t *next)
{
int indent = level * 2 + 2;
const char *str = "(null)";
if (e->typ.op) {
_print_expr (dstr, e->typ.params, level + 1, id, nullptr);
dasprintf (dstr, "%*se_%p -> e_%p;\n", indent, "", e, e->typ.params);
str = get_op_string (e->typ.op);
} else if (e->typ.type) {
str = e->typ.type->encoding;
if (!str) {
str = type_get_encoding (e->typ.type);
}
} else if (e->typ.attrib) {
auto attrib = e->typ.attrib;
if (attrib->params) {
_print_expr (dstr, attrib->params, level + 1, id, nullptr);
dasprintf (dstr, "%*se_%p -> e_%p;\n", indent, "", e,
attrib->params);
}
str = attrib->name;
} else if (e->typ.sym) {
str = e->typ.sym->name;
}
dasprintf (dstr, "%*se_%p [label=\"%s\\n%d\"];\n", indent, "", e,
str, e->loc.line);
}
static void
print_incop (dstring_t *dstr, const expr_t *e, int level, int id,
const expr_t *next)
{
int indent = level * 2 + 2;
dasprintf (dstr, "%*se_%p -> \"e_%p\" [label=\"m\"];\n", indent, "", e,
e->incop.expr);
_print_expr (dstr, e->incop.expr, level, id, next);
const char *b = e->incop.postop ? "Q" : "";
const char *a = e->incop.postop ? "" : "Q";
int op = e->incop.op;
dasprintf (dstr, "%*se_%p [label=\"%s%c%c%s\\n%d\"];\n", indent, "", e,
b, op, op, a, e->loc.line);
}
static void
print_cond (dstring_t *dstr, const expr_t *e, int level, int id,
const expr_t *next)
{
int indent = level * 2 + 2;
_print_expr (dstr, e->cond.test, level, id, next);
_print_expr (dstr, e->cond.true_expr, level, id, next);
_print_expr (dstr, e->cond.false_expr, level, id, next);
dasprintf (dstr, "%*se_%p -> \"e_%p\" [label=\"?\"];\n", indent, "", e,
e->cond.test);
dasprintf (dstr, "%*se_%p -> \"e_%p\" [label=\"t\"];\n", indent, "", e,
e->cond.true_expr);
dasprintf (dstr, "%*se_%p -> \"e_%p\" [label=\"f\"];\n", indent, "", e,
e->cond.false_expr);
dasprintf (dstr, "%*se_%p [label=\"%s\\n%d\"];\n", indent, "", e,
"?:", e->loc.line);
}
static void
print_field (dstring_t *dstr, const expr_t *e, int level, int id,
const expr_t *next)
{
int indent = level * 2 + 2;
_print_expr (dstr, e->field.object, level, id, next);
_print_expr (dstr, e->field.member, level, id, next);
dasprintf (dstr, "%*se_%p -> \"e_%p\" [label=\"o\"];\n", indent, "", e,
e->field.object);
dasprintf (dstr, "%*se_%p -> \"e_%p\" [label=\"m\"];\n", indent, "", e,
e->field.member);
dasprintf (dstr, "%*se_%p [label=\"%s\\n%d\"];\n", indent, "", e,
".", e->loc.line);
}
static void
print_array (dstring_t *dstr, const expr_t *e, int level, int id,
const expr_t *next)
{
int indent = level * 2 + 2;
_print_expr (dstr, e->array.base, level, id, next);
_print_expr (dstr, e->array.index, level, id, next);
dasprintf (dstr, "%*se_%p -> \"e_%p\" [label=\"b\"];\n", indent, "", e,
e->array.base);
dasprintf (dstr, "%*se_%p -> \"e_%p\" [label=\"i\"];\n", indent, "", e,
e->array.index);
dasprintf (dstr, "%*se_%p [label=\"%s\\n%d\"];\n", indent, "", e,
"[]", e->loc.line);
}
static void
print_decl (dstring_t *dstr, const expr_t *e, int level, int id,
const expr_t *next)
{
int indent = level * 2 + 2;
for (auto l = e->decl.list.head; l; l = l->next) {
_print_expr (dstr, l->expr, level, id, next);
}
for (auto l = e->decl.list.head; l; l = l->next) {
dasprintf (dstr, "%*se_%p -> \"e_%p\" [label=\"b\"];\n", indent, "", e,
l->expr);
}
dasprintf (dstr, "%*se_%p [label=\"decl:%s\\n%d\"];\n", indent, "", e,
get_type_string (e->decl.spec.type), e->loc.line);
}
static void
print_select (dstring_t *dstr, const expr_t *e, int level, int id,
const expr_t *next)
{
int indent = level * 2 + 2;
_print_expr (dstr, e->select.test, level, id, next);
_print_expr (dstr, e->select.true_body, level, id, next);
_print_expr (dstr, e->select.false_body, level, id, next);
dasprintf (dstr, "%*se_%p -> \"e_%p\" [label=\"\"];\n", indent, "", e,
e->select.test);
dasprintf (dstr, "%*se_%p -> \"e_%p\" [label=\"t\"];\n", indent, "", e,
e->select.true_body);
dasprintf (dstr, "%*se_%p -> \"e_%p\" [label=\"f\"];\n", indent, "", e,
e->select.false_body);
dasprintf (dstr, "%*se_%p [label=\"%s\\n%d\"];\n", indent, "", e,
"select", e->loc.line);
}
static void
print_intrinsic (dstring_t *dstr, const expr_t *e, int level, int id,
const expr_t *next)
{
int indent = level * 2 + 2;
if (e->intrinsic.extra) {
_print_expr (dstr, e->intrinsic.extra, level, id, next);
dasprintf (dstr, "%*se_%p -> \"e_%p\" [label=\"extra\"];\n",
indent, "", e, e->intrinsic.extra);
}
_print_expr (dstr, e->intrinsic.opcode, level, id, next);
for (auto l = e->intrinsic.operands.head; l; l = l->next) {
_print_expr (dstr, l->expr, level, id, next);
}
dasprintf (dstr, "%*se_%p -> \"e_%p\" [label=\"op\"];\n", indent, "", e,
e->intrinsic.opcode);
for (auto l = e->intrinsic.operands.head; l; l = l->next) {
dasprintf (dstr, "%*se_%p -> \"e_%p\";\n", indent, "", e,
l->expr);
}
dasprintf (dstr, "%*se_%p [label=\"%s\\n%d\"];\n", indent, "", e,
"@intrinsic", e->loc.line);
}
static void
print_xvalue (dstring_t *dstr, const expr_t *e, int level, int id,
const expr_t *next)
{
int indent = level * 2 + 2;
_print_expr (dstr, e->xvalue.expr, level, id, next);
dasprintf (dstr, "%*se_%p -> \"e_%p\";\n", indent, "", e, e->xvalue.expr);
const char *b = e->xvalue.lvalue ? "Q" : "";
const char *a = e->xvalue.lvalue ? "" : "Q";
dasprintf (dstr, "%*se_%p [label=\"%s%c%s\\n%d\"];\n", indent, "", e,
b, '=', a, e->loc.line);
}
static void
print_process (dstring_t *dstr, const expr_t *e, int level, int id,
const expr_t *next)
{
int indent = level * 2 + 2;
_print_expr (dstr, e->process.expr, level, id, next);
dasprintf (dstr, "%*se_%p -> \"e_%p\";\n", indent, "", e, e->process.expr);
dasprintf (dstr, "%*se_%p [label=\"%s\\n%d\"];\n", indent, "", e,
"<process>", e->loc.line);
}
static void
print_subexpr (dstring_t *dstr, const expr_t *e, int level, int id, const expr_t *next)
{
int indent = level * 2 + 2;
_print_expr (dstr, e->expr.e1, level, id, next);
_print_expr (dstr, e->expr.e2, level, id, next);
dasprintf (dstr, "%*se_%p -> \"e_%p\" [label=\"l\"];\n", indent, "", e,
e->expr.e1);
dasprintf (dstr, "%*se_%p -> \"e_%p\" [label=\"r\"];\n", indent, "", e,
e->expr.e2);
const char *o = e->paren ? "(" : "";
const char *c = e->paren ? ")" : "";
dasprintf (dstr, "%*se_%p [label=\"%s%s%s\\n%d\"];\n", indent, "", e,
o, get_op_string (e->expr.op), c, e->loc.line);
}
static void
print_alias (dstring_t *dstr, const expr_t *e, int level, int id, const expr_t *next)
{
int indent = level * 2 + 2;
_print_expr (dstr, e->alias.expr, level, id, next);
dasprintf (dstr, "%*se_%p -> \"e_%p\" [label=\"a\"];\n", indent, "", e,
e->alias.expr);
if (e->alias.offset) {
_print_expr (dstr, e->alias.offset, level, id, next);
dasprintf (dstr, "%*se_%p -> \"e_%p\" [label=\"o\"];\n", indent, "", e,
e->alias.offset);
}
dstring_t *typestr = dstring_newstr();
print_type_str (typestr, e->alias.type);
dasprintf (dstr, "%*se_%p [label=\"%s (%s)\\n%d\"];\n", indent, "", e,
"<alias>", typestr->str, e->loc.line);
dstring_delete (typestr);
}
static void
print_address (dstring_t *dstr, const expr_t *e, int level, int id, const expr_t *next)
{
int indent = level * 2 + 2;
_print_expr (dstr, e->address.lvalue, level, id, next);
dasprintf (dstr, "%*se_%p -> \"e_%p\" [label=\"&\"];\n", indent, "", e,
e->address.lvalue);
if (e->address.offset) {
_print_expr (dstr, e->address.offset, level, id, next);
dasprintf (dstr, "%*se_%p -> \"e_%p\" [label=\"+\"];\n", indent, "", e,
e->address.offset);
}
dstring_t *typestr = dstring_newstr();
print_type_str (typestr, e->address.type);
dasprintf (dstr, "%*se_%p [label=\"%s (%s)\\n%d\"];\n", indent, "", e,
"&", typestr->str, e->loc.line);
dstring_delete (typestr);
}
static void
print_assign (dstring_t *dstr, const expr_t *e, int level, int id, const expr_t *next)
{
int indent = level * 2 + 2;
_print_expr (dstr, e->assign.dst, level, id, next);
dasprintf (dstr, "%*se_%p -> \"e_%p\" [label=\"lval\"];\n", indent, "", e,
e->assign.dst);
_print_expr (dstr, e->assign.src, level, id, next);
dasprintf (dstr, "%*se_%p -> \"e_%p\" [label=\"rval\"];\n", indent, "", e,
e->assign.src);
dasprintf (dstr, "%*se_%p [label=\"%s\\n%d\"];\n", indent, "", e,
"=", e->loc.line);
}
static void
print_conditional (dstring_t *dstr, const expr_t *e, int level, int id, const expr_t *next)
{
int indent = level * 2 + 2;
static const char *condition[] = {
"ifz", "ifb", "ifa", 0, "ifnz", "ifnb", "ifna", 0
};
_print_expr (dstr, e->branch.test, level, id, next);
dasprintf (dstr, "%*se_%p -> \"e_%p\" [label=\"t\"];\n", indent, "", e,
e->branch.test);
dasprintf (dstr, "%*se_%p -> \"e_%p\" [label=\"g\"];\n", indent, "", e,
e->branch.target);
if (next) {
dasprintf (dstr, "%*se_%p -> e_%p [constraint=true,"
"style=dashed];\n", indent, "", e, next);
}
dasprintf (dstr, "%*se_%p [label=\"%s\\n%d\"];\n", indent, "", e,
condition [e->branch.type], e->loc.line);
}
static void
print_jump (dstring_t *dstr, const expr_t *e, int level, int id, const expr_t *next)
{
int indent = level * 2 + 2;
_print_expr (dstr, e->branch.target, level, id, next);
dasprintf (dstr, "%*se_%p [label=\"%s\\n%d\"];\n", indent, "", e,
"jump", e->loc.line);
dasprintf (dstr, "%*se_%p -> \"e_%p\";\n", indent, "", e,
e->branch.target);
}
static void
print_call (dstring_t *dstr, const expr_t *e, int level, int id, const expr_t *next)
{
int indent = level * 2 + 2;
int count = list_count (&e->branch.args->list);
const expr_t *args[count];
list_scatter_rev (&e->branch.args->list, args);
_print_expr (dstr, e->branch.target, level, id, next);
dasprintf (dstr, "%*se_%p [label=\"<c>call", indent, "", e);
for (int i = 0; i < count; i++)
dasprintf (dstr, "|<p%d>p%d", i, i);
dasprintf (dstr, "\",shape=record];\n");
for (int i = 0; i < count; i++) {
_print_expr (dstr, args[i], level + 1, id, next);
dasprintf (dstr, "%*se_%p:p%d -> e_%p;\n", indent + 2, "", e, i,
args[i]);
}
dasprintf (dstr, "%*se_%p:c -> e_%p;\n", indent, "", e,
e->branch.target);
}
static void
print_branch (dstring_t *dstr, const expr_t *e, int level, int id, const expr_t *next)
{
switch (e->branch.type) {
case pr_branch_eq:
case pr_branch_lt:
case pr_branch_gt:
case pr_branch_ne:
case pr_branch_ge:
case pr_branch_le:
print_conditional (dstr, e, level, id, next);
break;
case pr_branch_jump:
print_jump (dstr, e, level, id, next);
break;
case pr_branch_call:
print_call (dstr, e, level, id, next);
break;
}
}
static void
print_inout (dstring_t *dstr, const expr_t *e, int level, int id, const expr_t *next)
{
int indent = level * 2 + 2;
_print_expr (dstr, e->inout.in, level, id, next);
_print_expr (dstr, e->inout.out, level, id, next);
dasprintf (dstr, "%*se_%p -> \"e_%p\" [label=\"in\"];\n", indent, "",
e, e->inout.in);
dasprintf (dstr, "%*se_%p -> \"e_%p\" [label=\"out\"];\n", indent, "",
e, e->inout.out);
dasprintf (dstr, "%*se_%p [label=\"%s\\n%d\"];\n", indent, "", e,
"inout", e->loc.line);
}
static void
print_return (dstring_t *dstr, const expr_t *e, int level, int id, const expr_t *next)
{
int indent = level * 2 + 2;
if (e->retrn.ret_val) {
_print_expr (dstr, e->retrn.ret_val, level, id, next);
dasprintf (dstr, "%*se_%p -> \"e_%p\";\n", indent, "", e,
e->retrn.ret_val);
}
dasprintf (dstr, "%*se_%p [label=\"%s\\n%d\"];\n", indent, "", e,
"return", e->loc.line);
}
static void
print_uexpr (dstring_t *dstr, const expr_t *e, int level, int id, const expr_t *next)
{
int indent = level * 2 + 2;
_print_expr (dstr, e->expr.e1, level, id, next);
dasprintf (dstr, "%*se_%p -> \"e_%p\";\n", indent, "", e, e->expr.e1);
dasprintf (dstr, "%*se_%p [label=\"%s\\n%d\"];\n", indent, "", e,
get_op_string (e->expr.op), e->loc.line);
}
static void
print_def (dstring_t *dstr, const expr_t *e, int level, int id, const expr_t *next)
{
int indent = level * 2 + 2;
dasprintf (dstr, "%*se_%p [label=\"d %s\\n%d\"];\n", indent, "", e,
e->def->name, e->loc.line);
}
static void
print_symbol (dstring_t *dstr, const expr_t *e, int level, int id, const expr_t *next)
{
int indent = level * 2 + 2;
dasprintf (dstr, "%*se_%p [label=\"%s\\n%d\"];\n", indent, "", e,
e->symbol->name, e->loc.line);
}
static void
print_temp (dstring_t *dstr, const expr_t *e, int level, int id, const expr_t *next)
{
int indent = level * 2 + 2;
dasprintf (dstr, "%*se_%p [label=\"tmp_%p\\n%d\"];\n", indent, "", e, e,
e->loc.line);
}
static void
print_vector (dstring_t *dstr, const expr_t *e, int level, int id, const expr_t *next)
{
int indent = level * 2 + 2;
for (auto li = e->vector.list.head; li; li = li->next) {
auto ele = li->expr;
_print_expr (dstr, ele, level, id, next);
dasprintf (dstr, "%*se_%p -> \"e_%p\";\n", indent, "", e, ele);
}
dasprintf (dstr, "%*se_%p [label=\"vector %d\"];\n", indent, "", e,
e->loc.line);
}
static void
print_selector (dstring_t *dstr, const expr_t *e, int level, int id, const expr_t *next)
{
int indent = level * 2 + 2;
dasprintf (dstr, "%*se_%p [label=\"%s\"];\n", indent, "", e,
e->selector.sel->name);
}
static void
print_nil (dstring_t *dstr, const expr_t *e, int level, int id, const expr_t *next)
{
int indent = level * 2 + 2;
dasprintf (dstr, "%*se_%p [label=\"nil\\n%d\"];\n", indent, "", e,
e->loc.line);
}
static void
print_value (dstring_t *dstr, const expr_t *e, int level, int id, const expr_t *next)
{
int indent = level * 2 + 2;
const char *label = "?!?";
label = get_value_string (e->value);
if (is_string (e->value->type)) {
label = quote_string (html_string (label));
}
dasprintf (dstr, "%*se_%p [label=\"%s\\n%d\"];\n", indent, "", e, label,
e->loc.line);
}
static void
print_compound (dstring_t *dstr, const expr_t *e, int level, int id, const 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, const expr_t *e, int level, int id, const expr_t *next)
{
int indent = level * 2 + 2;
const expr_t *dst = e->memset.dst;
const expr_t *val = e->memset.val;
const expr_t *count = 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_adjstk (dstring_t *dstr, const expr_t *e, int level, int id, const expr_t *next)
{
int indent = level * 2 + 2;
dasprintf (dstr, "%*se_%p [label=\"adjstk %d:%d\\n%d\"];\n", indent, "", e,
e->adjstk.mode, e->adjstk.offset, e->loc.line);
}
static void
print_with (dstring_t *dstr, const expr_t *e, int level, int id, const expr_t *next)
{
int indent = level * 2 + 2;
const expr_t *with = e->with.with;
_print_expr (dstr, with, level, id, next);
dasprintf (dstr, "%*se_%p -> \"e_%p\";\n", indent, "", e, with);
dasprintf (dstr, "%*se_%p [label=\"with %d:%d\\n%d\"];\n", indent, "", e,
e->with.mode, e->with.reg, e->loc.line);
}
static void
print_args (dstring_t *dstr, const expr_t *e, int level, int id, const expr_t *next)
{
int indent = level * 2 + 2;
dasprintf (dstr, "%*se_%p [label=\"...\\n%d\"];\n", indent, "", e,
e->loc.line);
}
static void
print_horizontal (dstring_t *dstr, const expr_t *e, int level, int id, const expr_t *next)
{
int indent = level * 2 + 2;
_print_expr (dstr, e->hop.vec, level, id, next);
dasprintf (dstr, "%*se_%p -> \"e_%p\";\n", indent, "", e, e->hop.vec);
dasprintf (dstr, "%*se_%p [label=\"hop %s\\n%d\"];\n", indent, "", e,
get_op_string (e->hop.op), e->loc.line);
}
static void
print_swizzle (dstring_t *dstr, const expr_t *e, int level, int id, const expr_t *next)
{
static char swizzle_components[] = "xyzw";
int indent = level * 2 + 2;
ex_swizzle_t swiz = e->swizzle;
int count = type_width (swiz.type);
const char *swizzle = "";
for (int i = 0; i < count; i++) {
if (swiz.zero & (1 << i)) {
swizzle = va (0, "%s0", swizzle);
} else {
swizzle = va (0, "%s%s%c", swizzle,
swiz.neg & (1 << i) ? "-" : "",
swizzle_components[swiz.source[i]]);
}
}
_print_expr (dstr, swiz.src, level, id, next);
dasprintf (dstr, "%*se_%p -> \"e_%p\";\n", indent, "", e, swiz.src);
dasprintf (dstr, "%*se_%p [label=\"swizzle %s\\n%d\"];\n", indent, "", e,
swizzle, e->loc.line);
}
static void
print_extend (dstring_t *dstr, const expr_t *e, int level, int id, const expr_t *next)
{
int indent = level * 2 + 2;
ex_extend_t extend = e->extend;
int ext = extend.extend;
if (ext < 0 || ext > 3) {
ext = 4;
}
_print_expr (dstr, extend.src, level, id, next);
dasprintf (dstr, "%*se_%p -> \"e_%p\";\n", indent, "", e, extend.src);
dasprintf (dstr, "%*se_%p [label=\"extend [%d>%d%s:%s]\\n%d\"];\n",
indent, "", e,
type_width (get_type (extend.src)), type_width (extend.type),
extend.reverse ? ":r" : "",
((const char *[]){"0", "1", "c", "-1", "?"})[ext],
e->loc.line);
}
static void
print_multivec (dstring_t *dstr, const expr_t *e, int level, int id,
const expr_t *next)
{
int indent = level * 2 + 2;
auto algebra = e->multivec.algebra;
int count = list_count (&e->multivec.components);
const expr_t *components[count];
list_scatter (&e->multivec.components, components);
for (int i = 0; i < count; i++) {
_print_expr (dstr, components[i], level, id, 0);
dasprintf (dstr, "%*se_%p:m%d -> e_%p;\n", indent, "", e, i,
components[i]);
}
int colspan = count ? count : 1;
dasprintf (dstr, "%*se_%p [shape=none,label=<\n", indent, "", e);
dasprintf (dstr, "%*s<table border=\"0\" cellborder=\"1\" "
"cellspacing=\"0\">\n", indent + 2, "");
dasprintf (dstr, "%*s<tr><td colspan=\"%d\">&lt;multivec&gt;(%d)</td>"
"</tr>\n", indent + 4, "", colspan, e->loc.line);
dstring_t *typestr = dstring_newstr();
print_type_str (typestr, e->multivec.type);
dasprintf (dstr, "%*s<tr><td colspan=\"%d\">%s</td></tr>\n",
indent + 4, "", colspan, typestr->str);
dstring_delete (typestr);
if (count) {
dasprintf (dstr, "%*s<tr>\n", indent + 4, "");
for (int i = 0; i < count; i++) {
auto mask = get_group_mask (get_type (components[i]), algebra);
dasprintf (dstr, "%*s<td port=\"m%d\">%04x</td>\n", indent + 8, "",
i, mask);
}
dasprintf (dstr, "%*s</tr>\n", indent + 4, "");
}
dasprintf (dstr, "%*s</table>\n", indent + 2, "");
dasprintf (dstr, "%*s>];\n", indent, "");
}
static void
_print_expr (dstring_t *dstr, const expr_t *e, int level, int id,
const expr_t *next)
{
static print_f *print_funcs[ex_count] = {
[ex_error] = print_error,
[ex_state] = print_state,
[ex_bool] = print_bool,
[ex_label] = print_label,
[ex_labelref] = print_labelref,
[ex_block] = print_block,
[ex_expr] = print_subexpr,
[ex_uexpr] = print_uexpr,
[ex_def] = print_def,
[ex_symbol] = print_symbol,
[ex_temp] = print_temp,
[ex_vector] = print_vector,
[ex_selector] = print_selector,
[ex_nil] = print_nil,
[ex_value] = print_value,
[ex_compound] = print_compound,
[ex_memset] = print_memset,
[ex_alias] = print_alias,
[ex_address] = print_address,
[ex_assign] = print_assign,
[ex_branch] = print_branch,
[ex_inout] = print_inout,
[ex_return] = print_return,
[ex_adjstk] = print_adjstk,
[ex_with] = print_with,
[ex_args] = print_args,
[ex_horizontal] = print_horizontal,
[ex_swizzle] = print_swizzle,
[ex_extend] = print_extend,
[ex_multivec] = print_multivec,
[ex_list] = print_list,
[ex_type] = print_type_expr,
[ex_incop] = print_incop,
[ex_cond] = print_cond,
[ex_field] = print_field,
[ex_array] = print_array,
[ex_decl] = print_decl,
[ex_loop] = nullptr,
[ex_select] = print_select,
[ex_intrinsic] = print_intrinsic,
[ex_xvalue] = print_xvalue,
[ex_process] = print_process,
};
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;
((expr_t *) e)->printid = id;
if ((int) e->type < 0 || e->type >= ex_count || !print_funcs[e->type]) {
const char *type = va (0, "%d", e->type);
if ((unsigned) e->type < ex_count) {
type = expr_names[e->type];
}
dasprintf (dstr, "%*se_%p [label=\"(bad expr type: %s)\\n%d\"];\n",
indent, "", e, type, e->loc.line);
return;
}
print_funcs[e->type] (dstr, e, level, id, next);
}
void
dump_dot_expr (const void *_e, const char *filename)
{
static int id = 0;
dstring_t *dstr = dstring_newstr ();
const expr_t *e = _e;
dasprintf (dstr, "digraph expr_%p {\n", e);
dasprintf (dstr, " graph [label=\"%s\"];\n",
filename ? quote_string (filename) : "");
dasprintf (dstr, " layout=dot; rankdir=TB; compound=true;\n");
_print_expr (dstr, e, 0, ++id, nullptr);
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 (const expr_t *e)
{
dump_dot_expr (e, 0);
}