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quakeforge/libs/gamecode/engine/pr_debug.c
Bill Currie 581539f7af Make debug printing a little smarter. 
When a field or global name is used, the printed value reflects the type
of that variable.
2011-09-07 09:41:06 +09:00

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/*
pr_debug.c
progs debugging
Copyright (C) 2001 Bill Currie <bill@tanwiha.org>
Author: Bill Currie <bill@tanwiha.org>
Date: 2001/7/13
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
static __attribute__ ((used)) const char rcsid[] =
"$Id$";
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#include <ctype.h>
#include <sys/types.h>
#include <stdlib.h>
#include "QF/cvar.h"
#include "QF/dstring.h"
#include "QF/hash.h"
#include "QF/pr_debug.h"
#include "QF/progs.h"
#include "QF/qendian.h"
#include "QF/quakefs.h"
#include "QF/script.h"
#include "QF/sys.h"
#include "QF/va.h"
#include "QF/zone.h"
#include "compat.h"
typedef struct {
char *text;
size_t len;
} line_t;
typedef struct {
char *name;
char *text;
line_t *lines;
pr_uint_t num_lines;
progs_t *pr;
} file_t;
cvar_t *pr_debug;
cvar_t *pr_source_path;
static hashtab_t *file_hash;
static char *source_path_string;
static char **source_paths;
static const char *
file_get_key (void *_f, void *unused)
{
return ((file_t*)_f)->name;
}
static void
file_free (void *_f, void *unused)
{
file_t *f = (file_t*)_f;
progs_t *pr = f->pr;
free (f->lines);
((progs_t *) pr)->free_progs_mem (pr, f->text);
free (f->name);
free (f);
}
static void
source_path_f (cvar_t *var)
{
int i;
char *s;
if (source_path_string)
free (source_path_string);
source_path_string = strdup (var->string);
if (source_paths)
free (source_paths);
for (i = 2, s = source_path_string; *s; s++)
if (*s == ';')
i++;
source_paths = malloc (i * sizeof (char **));
source_paths[0] = source_path_string;
for (i = 1, s = source_path_string; *s; s++)
if (*s == ';') {
*s++ = 0;
source_paths[i++] = s;
}
source_paths[i] = 0;
}
static void
pr_debug_expression_error (script_t *script, const char *msg)
{
Sys_Printf ("%s\n", msg);
}
static ddef_t
parse_expression (progs_t *pr, const char *expr, int conditional)
{
script_t *es;
char *e;
pr_type_t *expr_ptr;
ddef_t d;
d.ofs = 0;
d.type = ev_invalid;
d.s_name = 0;
es = Script_New ();
es->error = pr_debug_expression_error;
Script_Start (es, "<console>", expr);
expr_ptr = 0;
es->single = "{}()':[].";
if (Script_GetToken (es, 1)) {
if (strequal (es->token->str, "[")) {
edict_t *ent;
ddef_t *field;
if (!Script_GetToken (es, 1))
goto error;
ent = EDICT_NUM (pr, strtol (es->token->str, &e, 0));
if (e == es->token->str)
goto error;
if (!Script_GetToken (es, 1) && !strequal (es->token->str, "]" ))
goto error;
if (!Script_GetToken (es, 1) && !strequal (es->token->str, "." ))
goto error;
if (!Script_GetToken (es, 1))
goto error;
field = PR_FindField (pr, es->token->str);
if (!field)
goto error;
d = *field;
expr_ptr = &ent->v[field->ofs];
d.ofs = PR_SetPointer (pr, expr_ptr);
} else if (isdigit (es->token->str[0])) {
expr_ptr = PR_GetPointer (pr, strtol (es->token->str, 0, 0));
d.type = ev_void;
d.ofs = PR_SetPointer (pr, expr_ptr);
} else {
ddef_t *global = PR_FindGlobal (pr, es->token->str);
if (!global)
goto error;
d = *global;
}
if (conditional) {
es->single = "{}()':[]";
pr->wp_conditional = 0;
if (Script_TokenAvailable (es, 1)) {
if (!Script_GetToken (es, 1)
&& !strequal (es->token->str, "==" ))
goto error;
if (!Script_GetToken (es, 1))
goto error;
pr->wp_val.integer_var = strtol (es->token->str, &e, 0);
if (e == es->token->str)
goto error;
if (*e == '.' || *e == 'e' || *e == 'E')
pr->wp_val.float_var = strtod (es->token->str, &e);
pr->wp_conditional = 1;
}
}
if (Script_TokenAvailable (es, 1))
Sys_Printf ("ignoring tail\n");
}
error:
Script_Delete (es);
return d;
}
void
PR_Debug_Init (void)
{
file_hash = Hash_NewTable (1024, file_get_key, file_free, 0);
}
void
PR_Debug_Init_Cvars (void)
{
pr_debug = Cvar_Get ("pr_debug", "0", CVAR_NONE, NULL,
"enable progs debugging");
pr_source_path = Cvar_Get ("pr_source_path", ".", CVAR_NONE, source_path_f,
"where to look (within gamedir) for source "
"files");
}
static file_t *
PR_Load_Source_File (progs_t *pr, const char *fname)
{
char *l, *p, **dir;
file_t *f = Hash_Find (file_hash, fname);
if (f)
return f;
f = calloc (1, sizeof (file_t));
if (!f)
return 0;
for (dir = source_paths; *dir && !f->text; dir++) {
f->text = pr->load_file (pr, va ("%s%s%s", *dir, **dir ? "/" : "",
fname));
}
if (!f->text) {
pr->file_error (pr, fname);
} else {
for (f->num_lines = 1, l = f->text; *l; l++)
if (*l == '\n')
f->num_lines++;
}
f->name = strdup (fname);
if (!f->name) {
pr->free_progs_mem (pr, f->text);
free (f);
return 0;
}
if (f->num_lines) {
f->lines = malloc (f->num_lines * sizeof (line_t));
if (!f->lines) {
free (f->name);
pr->free_progs_mem (pr, f->text);
free (f);
return 0;
}
f->lines[0].text = f->text;
for (f->num_lines = 0, l = f->text; *l; l++) {
if (*l == '\n') {
for (p = l; p > f->lines[f->num_lines].text && isspace(p[-1]);
p--)
;
f->lines[f->num_lines].len = p - f->lines[f->num_lines].text;
f->lines[++f->num_lines].text = l + 1;
}
}
f->lines[f->num_lines].len = l - f->lines[f->num_lines].text;
f->num_lines++;
}
f->pr = pr;
Hash_Add (file_hash, f);
return f;
}
VISIBLE int
PR_LoadDebug (progs_t *pr)
{
char *sym_path;
const char *path_end, *sym_file;
pr_uint_t i;
ddef_t *def;
pr_type_t *str = 0;
if (pr->debug)
pr->free_progs_mem (pr, pr->debug);
pr->debug = 0;
pr->auxfunctions = 0;
if (pr->auxfunction_map)
pr->free_progs_mem (pr, pr->auxfunction_map);
pr->auxfunction_map = 0;
pr->linenos = 0;
pr->local_defs = 0;
if (!pr_debug->int_val)
return 1;
def = PR_FindGlobal (pr, ".debug_file");
if (def)
str = &pr->pr_globals[def->ofs];
Hash_FlushTable (file_hash);
if (!str)
return 1;
pr->debugfile = PR_GetString (pr, str->string_var);
sym_file = QFS_SkipPath (pr->debugfile);
path_end = QFS_SkipPath (pr->progs_name);
sym_path = malloc (strlen (sym_file) + (path_end - pr->progs_name) + 1);
strncpy (sym_path, pr->progs_name, path_end - pr->progs_name);
strcpy (sym_path + (path_end - pr->progs_name), sym_file);
pr->debug = pr->load_file (pr, sym_path);
if (!pr->debug) {
Sys_Printf ("can't load %s for debug info\n", sym_path);
free (sym_path);
return 1;
}
pr->debug->version = LittleLong (pr->debug->version);
if (pr->debug->version != PROG_DEBUG_VERSION) {
Sys_Printf ("ignoring %s with unsupported version %x.%03x.%03x\n",
sym_path,
(pr->debug->version >> 24) & 0xff,
(pr->debug->version >> 12) & 0xfff,
pr->debug->version & 0xfff);
pr->debug = 0;
free (sym_path);
return 1;
}
pr->debug->crc = LittleShort (pr->debug->crc);
if (pr->debug->crc != pr->crc) {
Sys_Printf ("ignoring %s that doesn't match %s. (CRCs: "
"sym:%d dat:%d)\n",
sym_path,
pr->progs_name,
pr->debug->crc,
pr->crc);
pr->debug = 0;
free (sym_path);
return 1;
}
free (sym_path);
pr->debug->you_tell_me_and_we_will_both_know = LittleShort
(pr->debug->you_tell_me_and_we_will_both_know);
pr->debug->auxfunctions = LittleLong (pr->debug->auxfunctions);
pr->debug->num_auxfunctions = LittleLong (pr->debug->num_auxfunctions);
pr->debug->linenos = LittleLong (pr->debug->linenos);
pr->debug->num_linenos = LittleLong (pr->debug->num_linenos);
pr->debug->locals = LittleLong (pr->debug->locals);
pr->debug->num_locals = LittleLong (pr->debug->num_locals);
pr->auxfunctions = (pr_auxfunction_t*)((char*)pr->debug +
pr->debug->auxfunctions);
pr->linenos = (pr_lineno_t*)((char*)pr->debug + pr->debug->linenos);
pr->local_defs = (ddef_t*)((char*)pr->debug + pr->debug->locals);
i = pr->progs->numfunctions * sizeof (pr_auxfunction_t *);
pr->auxfunction_map = pr->allocate_progs_mem (pr, i);
for (i = 0; (int) i < pr->progs->numfunctions; i++) //FIXME (cast)
pr->auxfunction_map[i] = 0;
for (i = 0; i < pr->debug->num_auxfunctions; i++) {
pr->auxfunctions[i].function = LittleLong
(pr->auxfunctions[i].function);
pr->auxfunctions[i].source_line = LittleLong
(pr->auxfunctions[i].source_line);
pr->auxfunctions[i].line_info = LittleLong
(pr->auxfunctions[i].line_info);
pr->auxfunctions[i].local_defs = LittleLong
(pr->auxfunctions[i].local_defs);
pr->auxfunctions[i].num_locals = LittleLong
(pr->auxfunctions[i].num_locals);
pr->auxfunction_map[pr->auxfunctions[i].function] =
&pr->auxfunctions[i];
}
for (i = 0; i < pr->debug->num_linenos; i++) {
pr->linenos[i].fa.func = LittleLong (pr->linenos[i].fa.func);
pr->linenos[i].line = LittleLong (pr->linenos[i].line);
}
for (i = 0; i < pr->debug->num_locals; i++) {
pr->local_defs[i].type = LittleShort (pr->local_defs[i].type);
pr->local_defs[i].ofs = LittleShort (pr->local_defs[i].ofs);
pr->local_defs[i].s_name = LittleLong (pr->local_defs[i].s_name);
}
return 1;
}
pr_auxfunction_t *
PR_Get_Lineno_Func (progs_t *pr, pr_lineno_t *lineno)
{
while (lineno > pr->linenos && lineno->line)
lineno--;
if (lineno->line)
return 0;
return &pr->auxfunctions[lineno->fa.func];
}
pr_uint_t
PR_Get_Lineno_Addr (progs_t *pr, pr_lineno_t *lineno)
{
pr_auxfunction_t *f;
if (lineno->line)
return lineno->fa.addr;
if (lineno->fa.func >= 0
&& lineno->fa.func < pr->debug->num_auxfunctions) {
f = &pr->auxfunctions[lineno->fa.func];
return pr->pr_functions[f->function].first_statement;
}
// take a wild guess that only the line number is bogus and return
// the address anyway
return lineno->fa.addr;
}
pr_uint_t
PR_Get_Lineno_Line (progs_t *pr, pr_lineno_t *lineno)
{
if (lineno->line)
return lineno->line;
return 0;
}
pr_lineno_t *
PR_Find_Lineno (progs_t *pr, pr_uint_t addr)
{
pr_uint_t i;
pr_lineno_t *lineno = 0;
if (!pr->debug)
return 0;
if (!pr->debug->num_linenos)
return 0;
for (i = pr->debug->num_linenos; i > 0; i--) {
if (PR_Get_Lineno_Addr (pr, &pr->linenos[i - 1]) <= addr) {
lineno = &pr->linenos[i - 1];
break;
}
}
return lineno;
}
const char *
PR_Get_Source_File (progs_t *pr, pr_lineno_t *lineno)
{
pr_auxfunction_t *f;
f = PR_Get_Lineno_Func (pr, lineno);
if (f->function >= (unsigned) pr->progs->numfunctions)
return 0;
return PR_GetString(pr, pr->pr_functions[f->function].s_file);
}
const char *
PR_Get_Source_Line (progs_t *pr, pr_uint_t addr)
{
const char *fname;
pr_uint_t line;
file_t *file;
pr_auxfunction_t *func;
pr_lineno_t *lineno;
lineno = PR_Find_Lineno (pr, addr);
if (!lineno || PR_Get_Lineno_Addr (pr, lineno) != addr)
return 0;
func = PR_Get_Lineno_Func (pr, lineno);
fname = PR_Get_Source_File (pr, lineno);
if (!func || !fname)
return 0;
line = PR_Get_Lineno_Line (pr, lineno);
line += func->source_line;
file = PR_Load_Source_File (pr, fname);
if (!file || !file->lines || !line || line > file->num_lines)
return va ("%s:%u", fname, line);
return va ("%s:%u:%.*s", fname, line, (int)file->lines[line - 1].len,
file->lines[line - 1].text);
}
ddef_t *
PR_Get_Param_Def (progs_t *pr, dfunction_t *func, unsigned parm)
{
pr_uint_t i;
pr_auxfunction_t *aux_func;
ddef_t *ddef = 0;
int num_params;
int param_offs = 0;
if (!pr->debug)
return 0;
if (!func)
return 0;
num_params = func->numparms;
if (num_params < 0) {
num_params = ~num_params; // one's compliment
param_offs = 1; // skip over @args def
}
if (parm >= (unsigned) num_params)
return 0;
aux_func = pr->auxfunction_map[func - pr->pr_functions];
if (!aux_func)
return 0;
for (i = 0; i < aux_func->num_locals; i++) {
ddef = &pr->local_defs[aux_func->local_defs + param_offs + i];
if (!parm--)
break;
}
return ddef;
}
static pr_auxfunction_t *
get_aux_function (progs_t *pr)
{
dfunction_t *func;
if (!pr->pr_xfunction || !pr->auxfunction_map)
return 0;
func = pr->pr_xfunction->descriptor;
return pr->auxfunction_map[func - pr->pr_functions];
}
ddef_t *
PR_Get_Local_Def (progs_t *pr, pr_int_t offs)
{
pr_uint_t i;
dfunction_t *func;
pr_auxfunction_t *aux_func;
if (!pr->pr_xfunction)
return 0;
func = pr->pr_xfunction->descriptor;
if (!func)
return 0;
aux_func = pr->auxfunction_map[func - pr->pr_functions];
if (!aux_func)
return 0;
offs -= func->parm_start;
if (offs < 0 || offs >= func->locals)
return 0;
for (i = 0; i < aux_func->num_locals; i++)
if (pr->local_defs[aux_func->local_defs + i].ofs == offs)
return &pr->local_defs[aux_func->local_defs + i];
return 0;
}
VISIBLE void
PR_DumpState (progs_t *pr)
{
if (pr->pr_xfunction) {
if (pr_debug->int_val && pr->debug) {
pr_lineno_t *lineno;
pr_auxfunction_t *func = 0;
dfunction_t *descriptor = pr->pr_xfunction->descriptor;
pr_int_t addr = pr->pr_xstatement;
lineno = PR_Find_Lineno (pr, addr);
if (lineno)
func = PR_Get_Lineno_Func (pr, lineno);
if (func && descriptor == pr->pr_functions + func->function)
addr = PR_Get_Lineno_Addr (pr, lineno);
else
addr = max (descriptor->first_statement, addr - 5);
while (addr != pr->pr_xstatement)
PR_PrintStatement (pr, pr->pr_statements + addr++, 3);
}
PR_PrintStatement (pr, pr->pr_statements + pr->pr_xstatement, 3);
}
PR_StackTrace (pr);
}
#define ISDENORM(x) ((x) && !((x) & 0x7f800000))
static const char *
value_string (progs_t *pr, etype_t type, pr_type_t *val)
{
static dstring_t *line;
ddef_t *def;
pr_int_t ofs;
edict_t *edict;
dfunction_t *f;
const char *str;
if (!line)
line = dstring_new ();
type &= ~DEF_SAVEGLOBAL;
switch (type) {
case ev_string:
if (!PR_StringValid (pr, val->string_var))
return "*** invalid ***";
str = PR_GetString (pr, val->string_var);
dstring_copystr (line, "\"");
while (*str) {
const char *s;
for (s = str; *s && !strchr ("\"\n\t", *s); s++)
;
if (s != str)
dstring_appendsubstr (line, str, s - str);
if (*s) {
switch (*s) {
case '\"':
dstring_appendstr (line, "\\\"");
break;
case '\n':
dstring_appendstr (line, "\\n");
break;
case '\t':
dstring_appendstr (line, "\\t");
break;
default:
dasprintf (line, "\\x%02x", *s & 0xff);
}
s++;
}
str = s;
}
dstring_appendstr (line, "\"");
break;
case ev_entity:
edict = PROG_TO_EDICT (pr, val->entity_var);
dsprintf (line, "entity %d", NUM_FOR_BAD_EDICT (pr, edict));
break;
case ev_func:
if (val->func_var < 0 || val->func_var >= pr->progs->numfunctions)
dsprintf (line, "INVALID:%d", val->func_var);
else if (!val->func_var)
return "NULL";
else {
f = pr->pr_functions + val->func_var;
dsprintf (line, "%s()", PR_GetString (pr, f->s_name));
}
break;
case ev_field:
def = PR_FieldAtOfs (pr, val->integer_var);
if (def)
dsprintf (line, ".%s", PR_GetString (pr, def->s_name));
else
dsprintf (line, ".<$%04x>", val->integer_var);
break;
case ev_void:
return "void";
case ev_float:
if (ISDENORM (val->integer_var) && val->uinteger_var != 0x80000000)
dsprintf (line, "<%08x>", val->integer_var);
else
dsprintf (line, "%g", val->float_var);
break;
case ev_vector:
dsprintf (line, "'%g %g %g'",
val->vector_var[0], val->vector_var[1],
val->vector_var[2]);
break;
case ev_pointer:
def = 0;
ofs = val->integer_var;
if (pr_debug->int_val && pr->debug)
def = PR_Get_Local_Def (pr, ofs);
if (!def)
def = PR_GlobalAtOfs (pr, ofs);
if (def && def->s_name)
dsprintf (line, "&%s", PR_GetString (pr, def->s_name));
else
dsprintf (line, "[$%x]", ofs);
break;
case ev_quat:
dsprintf (line, "'%g %g %g %g'",
val->vector_var[0], val->vector_var[1],
val->vector_var[2], val->vector_var[3]);
break;
case ev_integer:
dsprintf (line, "%d", val->integer_var);
break;
case ev_uinteger:
dsprintf (line, "$%08x", val->uinteger_var);
break;
default:
//dsprintf (line, "bad type %i", type);
dsprintf (line, "<%x %x %x %x>",
val[0].integer_var, val[1].integer_var,
val[2].integer_var, val[3].integer_var);
break;
}
return line->str;
}
static ddef_t *
def_string (progs_t *pr, pr_int_t ofs, dstring_t *dstr)
{
ddef_t *def = 0;
const char *name;
if (pr_debug->int_val && pr->debug)
def = PR_Get_Local_Def (pr, ofs);
if (!def)
def = PR_GlobalAtOfs (pr, ofs);
if (!def || !*(name = PR_GetString (pr, def->s_name)))
dsprintf (dstr, "[$%x]", ofs);
else
dsprintf (dstr, "%s", name);
return def;
}
static const char *
global_string (progs_t *pr, pr_int_t ofs, etype_t type, int contents)
{
static dstring_t *line = NULL;
ddef_t *def = NULL;
const char *s;
if (!line)
line = dstring_newstr();
if (type == ev_short) {
dsprintf (line, "%04x", (short) ofs);
return line->str;
}
def = def_string (pr, ofs, line);
if (def || type != ev_void) {
const char *oi = "";
if (def) {
if (type == ev_void)
type = def->type;
if (type != (etype_t) (def->type & ~DEF_SAVEGLOBAL))
oi = "?";
}
if (ofs > pr->globals_size)
s = "Out of bounds";
else
s = value_string (pr, type, &pr->pr_globals[ofs]);
if (strequal(line->str, "IMMEDIATE") || strequal(line->str, ".imm")) {
dsprintf (line, "%s", s);
} else {
if (contents)
dasprintf (line, "%s(%s)", oi, s);
}
}
return line->str;
}
VISIBLE void
PR_Debug_Watch (progs_t *pr, const char *expr)
{
ddef_t watch;
if (!expr) {
Sys_Printf ("watch <watchpoint expr>\n");
if (pr->watch) {
Sys_Printf (" watching [%d]\n",
(int) (intptr_t) (pr->watch - pr->pr_globals));
if (pr->wp_conditional)
Sys_Printf (" if new val == %d\n",
pr->wp_val.integer_var);
} else {
Sys_Printf (" none active\n");
}
return;
}
pr->watch = 0;
watch = parse_expression (pr, expr, 1);
if (watch.type != ev_invalid)
pr->watch = &pr->pr_globals[watch.ofs];
if (pr->watch) {
Sys_Printf ("watchpoint set to [%d]\n", PR_SetPointer (pr, pr->watch));
if (pr->wp_conditional)
Sys_Printf (" if new val == %d\n", pr->wp_val.integer_var);
} else {
Sys_Printf ("watchpoint cleared\n");
}
}
VISIBLE void
PR_Debug_Print (progs_t *pr, const char *expr)
{
ddef_t print;
if (!expr) {
Sys_Printf ("print <print expr>\n");
return;
}
print = parse_expression (pr, expr, 0);
if (print.type != ev_invalid) {
const char *s = global_string (pr, print.ofs, print.type, 1);
Sys_Printf ("[%d] = %s\n", print.ofs, s);
}
}
VISIBLE void
PR_PrintStatement (progs_t *pr, dstatement_t *s, int contents)
{
int addr = s - pr->pr_statements;
int dump_code = contents & 2;
const char *fmt;
opcode_t *op;
static dstring_t *line;
dfunction_t *call_func = 0;
ddef_t *parm_def = 0;
pr_auxfunction_t *aux_func = 0;
if (!line)
line = dstring_new ();
dstring_clearstr (line);
if (pr_debug->int_val > 1)
dump_code = 1;
if (pr_debug->int_val && pr->debug) {
const char *source_line = PR_Get_Source_Line (pr, addr);
if (source_line) {
dasprintf (line, "%s%s", source_line, dump_code ? "\n" : "");
if (!dump_code)
goto do_print;
}
if (!dump_code)
return;
}
op = PR_Opcode (s->op);
if (!op) {
Sys_Printf ("%sUnknown instruction %d\n", line->str, s->op);
return;
}
if (!(fmt = op->fmt))
fmt = "%Ga, %Gb, %gc";
dasprintf (line, "%04x ", addr);
if (pr_debug->int_val > 2)
dasprintf (line, "%02x %04x(%8s) %04x(%8s) %04x(%8s)\t",
s->op,
s->a, pr_type_name[op->type_a],
s->b, pr_type_name[op->type_b],
s->c, pr_type_name[op->type_c]);
dasprintf (line, "%s ", op->opname);
while (*fmt) {
if (*fmt == '%') {
if (fmt[1] == '%') {
dstring_appendsubstr (line, fmt + 1, 1);
fmt += 2;
} else {
const char *str;
char mode = fmt[1], opchar = fmt[2];
unsigned parm_ind = 0;
pr_int_t opval;
etype_t optype = ev_void;
if (mode == 'P') {
opchar = fmt[3];
parm_ind = fmt[2] - '0';
fmt++; // P has one extra item
if (parm_ind >= MAX_PARMS)
goto err;
}
switch (opchar) {
case 'a':
opval = s->a;
optype = op->type_a;
break;
case 'b':
opval = s->b;
optype = op->type_b;
break;
case 'c':
opval = s->c;
optype = op->type_c;
break;
case 'x':
if (mode == 'P') {
opval = pr->pr_real_params[parm_ind]
- pr->pr_globals;
break;
}
default:
goto err;
}
switch (mode) {
case 'R':
optype = ev_void;
aux_func = get_aux_function (pr);
if (aux_func)
optype = aux_func->return_type;
str = global_string (pr, opval, optype, contents & 1);
break;
case 'F':
str = global_string (pr, opval, optype, contents & 1);
if (G_FUNCTION (pr, opval) >= 0
&& G_FUNCTION (pr, opval)
< pr->progs->numfunctions)
call_func = pr->pr_functions + G_FUNCTION (pr, opval);
break;
case 'P':
parm_def = PR_Get_Param_Def (pr, call_func, parm_ind);
optype = ev_void;
if (parm_def)
optype = parm_def->type;
str = global_string (pr, opval, optype, contents & 1);
break;
case 'V':
str = global_string (pr, opval, ev_void, contents & 1);
break;
case 'G':
str = global_string (pr, opval, optype, contents & 1);
break;
case 'g':
str = global_string (pr, opval, optype, 0);
break;
case 's':
str = va ("%d", (short) opval);
break;
case 'O':
str = va ("%04x", addr + (short) opval);
break;
case 'E':
{
edict_t *ed = 0;
opval = pr->pr_globals[s->a].entity_var;
parm_ind = pr->pr_globals[s->b].uinteger_var;
if (parm_ind < pr->progs->entityfields
&& opval >= 0
&& opval < pr->pr_edictareasize) {
ed = PROG_TO_EDICT (pr, opval);
opval = &ed->v[parm_ind] - pr->pr_globals;
}
if (!ed) {
str = "bad entity.field";
break;
}
str = global_string (pr, opval, optype, contents & 1);
str = va ("%d %d %s", s->a, s->b, str);
}
break;
default:
goto err;
}
dstring_appendstr (line, str);
fmt += 3;
continue;
err:
dstring_appendstr (line, fmt);
break;
}
} else {
dstring_appendsubstr (line, fmt++, 1);
}
}
do_print:
Sys_Printf ("%s\n", line->str);
}
static void
dump_frame (progs_t *pr, prstack_t *frame)
{
dfunction_t *f = frame->f ? frame->f->descriptor : 0;
if (!f) {
Sys_Printf ("<NO FUNCTION>\n");
return;
}
if (pr_debug->int_val && pr->debug) {
pr_lineno_t *lineno = PR_Find_Lineno (pr, frame->s);
pr_auxfunction_t *func = PR_Get_Lineno_Func (pr, lineno);
pr_uint_t line = PR_Get_Lineno_Line (pr, lineno);
pr_int_t addr = PR_Get_Lineno_Addr (pr, lineno);
line += func->source_line;
if (addr == frame->s) {
Sys_Printf ("%12s:%u : %s: %x\n",
PR_GetString (pr, f->s_file),
line,
PR_GetString (pr, f->s_name),
frame->s);
} else {
Sys_Printf ("%12s:%u+%d : %s: %x\n",
PR_GetString (pr, f->s_file),
line, frame->s - addr,
PR_GetString (pr, f->s_name),
frame->s);
}
} else {
Sys_Printf ("%12s : %s: %x\n", PR_GetString (pr, f->s_file),
PR_GetString (pr, f->s_name), frame->s);
}
}
VISIBLE void
PR_StackTrace (progs_t *pr)
{
int i;
prstack_t top;
if (pr->pr_depth == 0) {
Sys_Printf ("<NO STACK>\n");
return;
}
top.s = pr->pr_xstatement;
top.f = pr->pr_xfunction;
dump_frame (pr, &top);
for (i = pr->pr_depth - 1; i >= 0; i--)
dump_frame (pr, pr->pr_stack + i);
}
VISIBLE void
PR_Profile (progs_t * pr)
{
pr_int_t max, num, i;
dfunction_t *best, *f;
num = 0;
do {
max = 0;
best = NULL;
for (i = 0; i < pr->progs->numfunctions; i++) {
f = &pr->pr_functions[i];
if (f->profile > max) {
max = f->profile;
best = f;
}
}
if (best) {
if (num < 10)
Sys_Printf ("%7i %s\n", best->profile,
PR_GetString (pr, best->s_name));
num++;
best->profile = 0;
}
} while (best);
}
/*
ED_Print
For debugging
*/
VISIBLE void
ED_Print (progs_t *pr, edict_t *ed)
{
int type, l;
pr_uint_t i;
const char *name;
ddef_t *d;
pr_type_t *v;
if (ed->free) {
Sys_Printf ("FREE\n");
return;
}
Sys_Printf ("\nEDICT %d:\n", NUM_FOR_BAD_EDICT (pr, ed));
for (i = 0; i < pr->progs->numfielddefs; i++) {
d = &pr->pr_fielddefs[i];
if (!d->s_name) // null field def (probably 1st)
continue;
name = PR_GetString (pr, d->s_name);
if (name[strlen (name) - 2] == '_'
&& strchr ("xyz", name[strlen (name) -1]))
continue; // skip _x, _y, _z vars
v = ed->v + d->ofs;
// if the value is still all 0, skip the field
type = d->type & ~DEF_SAVEGLOBAL;
switch (type) {
case ev_entity:
case ev_integer:
case ev_uinteger:
case ev_pointer:
case ev_func:
case ev_field:
if (!v->integer_var)
continue;
break;
case ev_string:
if (PR_StringValid (pr, v->string_var))
if (!PR_GetString (pr, v->string_var)[0])
continue;
break;
case ev_float:
if (!v->float_var)
continue;
break;
case ev_vector:
if (!v[0].float_var && !v[1].float_var && !v[2].float_var)
continue;
break;
case ev_void:
break;
default:
PR_Error (pr, "ED_Print: Unhandled type %d", type);
}
l = 15 - strlen (name);
if (l < 1)
l = 1;
Sys_Printf ("%s%*s%s\n", name, l, "", value_string (pr, d->type, v));
}
}
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