eukara/fteqw
1
0
Fork 0
forked from fte/fteqw
Code Pull requests Activity
fteqw/engine/qclib/pr_exec.c
Spoike 18de6445ba rewrote huge chunks of qcc code to track which symbols were used where. 
this makes inlining more efficient, and allows stripping irrelevant defs.
(there may still be things broken due to this)
gui version behaves a little better now, and saves debug+optimisation etc settings on a per-mod basis, instead of using the windows registry to store which engine+path+args to run.

git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@4850 fc73d0e0-1445-4013-8a0c-d673dee63da5
2015-04-14 12:24:05 +00:00

1859 lines
No EOL
47 KiB
C
Raw Blame History

#define PROGSUSED
#include "progsint.h"
//#include "editor.h"
#if __STDC_VERSION__ >= 199901L
#define fte_restrict restrict
#elif defined(_MSC_VER)
#define fte_restrict __restrict
#else
#define fte_restrict
#endif
#define HunkAlloc BADGDFG sdfhhsf FHS
#define Host_Error Sys_Error
// I put the following here to resolve "undefined reference to `__imp__vsnprintf'" with MinGW64 ~ Moodles
#if 0//def _WIN32
#if (_MSC_VER >= 1400)
//with MSVC 8, use MS extensions
#define snprintf linuxlike_snprintf_vc8
int VARGS linuxlike_snprintf_vc8(char *buffer, int size, const char *format, ...) LIKEPRINTF(3);
#define vsnprintf(a, b, c, d) vsnprintf_s(a, b, _TRUNCATE, c, d)
#else
//msvc crap
#define snprintf linuxlike_snprintf
int VARGS linuxlike_snprintf(char *buffer, int size, const char *format, ...) LIKEPRINTF(3);
#define vsnprintf linuxlike_vsnprintf
int VARGS linuxlike_vsnprintf(char *buffer, int size, const char *format, va_list argptr);
#endif
#endif
//=============================================================================
/*
=================
PR_PrintStatement
=================
*/
static void PR_PrintStatement (progfuncs_t *progfuncs, int statementnum)
{
unsigned int op;
unsigned int arg[3];
switch(current_progstate->structtype)
{
default:
case PST_DEFAULT:
case PST_QTEST:
op = ((dstatement16_t*)current_progstate->statements + statementnum)->op;
arg[0] = ((dstatement16_t*)current_progstate->statements + statementnum)->a;
arg[1] = ((dstatement16_t*)current_progstate->statements + statementnum)->b;
arg[2] = ((dstatement16_t*)current_progstate->statements + statementnum)->c;
break;
case PST_KKQWSV:
case PST_FTE32:
op = ((dstatement32_t*)current_progstate->statements + statementnum)->op;
arg[0] = ((dstatement32_t*)current_progstate->statements + statementnum)->a;
arg[1] = ((dstatement32_t*)current_progstate->statements + statementnum)->b;
arg[2] = ((dstatement32_t*)current_progstate->statements + statementnum)->c;
break;
}
#if !defined(MINIMAL) && !defined(OMIT_QCC)
if ( (unsigned)op < OP_NUMOPS)
{
int i;
printf ("%s ", pr_opcodes[op].name);
i = strlen(pr_opcodes[op].name);
for ( ; i<10 ; i++)
printf (" ");
}
else
#endif
printf ("op%3i ", op);
if (op == OP_IF_F || op == OP_IFNOT_F)
printf ("%sbranch %i",PR_GlobalString(progfuncs, arg[0]),arg[1]);
else if (op == OP_GOTO)
{
printf ("branch %i",arg[0]);
}
else if ( (unsigned)(op - OP_STORE_F) < 6)
{
printf ("%s",PR_GlobalString(progfuncs, arg[0]));
printf ("%s", PR_GlobalStringNoContents(progfuncs, arg[1]));
}
else
{
if (arg[0])
printf ("%s",PR_GlobalString(progfuncs, arg[0]));
if (arg[1])
printf ("%s",PR_GlobalString(progfuncs, arg[1]));
if (arg[2])
printf ("%s", PR_GlobalStringNoContents(progfuncs, arg[2]));
}
printf ("\n");
}
#ifdef _WIN32
static void VARGS QC_snprintfz (char *dest, size_t size, const char *fmt, ...)
{
va_list args;
va_start (args, fmt);
vsnprintf (dest, size-1, fmt, args);
va_end (args);
//make sure its terminated.
dest[size-1] = 0;
}
#else
#define QC_snprintfz snprintf
#endif
void PDECL PR_GenerateStatementString (pubprogfuncs_t *ppf, int statementnum, char *out, int outlen)
{
progfuncs_t *progfuncs = (progfuncs_t*)ppf;
unsigned int op;
unsigned int arg[3];
*out = 0;
outlen--;
switch(current_progstate->structtype)
{
case PST_DEFAULT:
case PST_QTEST:
op = ((dstatement16_t*)current_progstate->statements + statementnum)->op;
arg[0] = ((dstatement16_t*)current_progstate->statements + statementnum)->a;
arg[1] = ((dstatement16_t*)current_progstate->statements + statementnum)->b;
arg[2] = ((dstatement16_t*)current_progstate->statements + statementnum)->c;
break;
case PST_KKQWSV:
case PST_FTE32:
op = ((dstatement32_t*)current_progstate->statements + statementnum)->op;
arg[0] = ((dstatement32_t*)current_progstate->statements + statementnum)->a;
arg[1] = ((dstatement32_t*)current_progstate->statements + statementnum)->b;
arg[2] = ((dstatement32_t*)current_progstate->statements + statementnum)->c;
break;
default:
return;
}
op = op & ~0x8000; //break points.
if (current_progstate->linenums)
{
QC_snprintfz (out, outlen, "%3i: ", current_progstate->linenums[statementnum]);
outlen -= strlen(out);
out += strlen(out);
}
else
{
QC_snprintfz (out, outlen, "%3i: ", statementnum);
outlen -= strlen(out);
out += strlen(out);
}
#if !defined(MINIMAL) && !defined(OMIT_QCC)
if ( (unsigned)op < OP_NUMOPS)
{
QC_snprintfz (out, outlen, "%-12s ", pr_opcodes[op].opname);
outlen -= strlen(out);
out += strlen(out);
}
else
#endif
{
QC_snprintfz (out, outlen, "op%3i ", op);
outlen -= strlen(out);
out += strlen(out);
}
if (op == OP_IF_F || op == OP_IFNOT_F || op == OP_IF_I || op == OP_IFNOT_I || op == OP_IF_S || op == OP_IFNOT_S)
{
QC_snprintfz (out, outlen, "%sbranch %i(%i)",PR_GlobalStringNoContents(progfuncs, arg[0]),(short)arg[1], statementnum+(short)arg[0]);
outlen -= strlen(out);
out += strlen(out);
}
else if (op == OP_GOTO)
{
QC_snprintfz (out, outlen, "branch %i(%i)",(short)arg[0], statementnum+(short)arg[0]);
outlen -= strlen(out);
out += strlen(out);
}
else if ( (unsigned)(op - OP_STORE_F) < 6)
{
QC_snprintfz (out, outlen, "%s",PR_GlobalStringNoContents(progfuncs, arg[0]));
outlen -= strlen(out);
out += strlen(out);
QC_snprintfz (out, outlen, "%s", PR_GlobalStringNoContents(progfuncs, arg[1]));
outlen -= strlen(out);
out += strlen(out);
}
else
{
if (arg[0])
{
QC_snprintfz (out, outlen, "%s",PR_GlobalStringNoContents(progfuncs, arg[0]));
outlen -= strlen(out);
out += strlen(out);
}
if (arg[1])
{
QC_snprintfz (out, outlen, "%s",PR_GlobalStringNoContents(progfuncs, arg[1]));
outlen -= strlen(out);
out += strlen(out);
}
if (arg[2])
{
QC_snprintfz (out, outlen, "%s", PR_GlobalStringNoContents(progfuncs, arg[2]));
outlen -= strlen(out);
out += strlen(out);
}
}
QC_snprintfz (out, outlen, "\n");
outlen -= 1;
out += 1;
}
/*
============
PR_StackTrace
============
*/
static void PDECL PR_PrintRelevantLocals(progfuncs_t *progfuncs)
{
//scan for op_address/op_load instructions within the function
int st, st2;
int op;
dstatement16_t *st16 = current_progstate->statements;
int line;
if (!current_progstate->linenums || current_progstate->structtype != PST_DEFAULT)
return;
line = current_progstate->linenums[pr_xstatement];
for (st = pr_xfunction->first_statement; st16[st].op != OP_DONE; st++)
{
if (current_progstate->linenums[st] < line - 2 || current_progstate->linenums[st] > line + 2)
continue; //don't go crazy with this.
op = st16[st].op & ~0x8000;
if (op == OP_ADDRESS || (op >= OP_LOAD_F && op <= OP_LOAD_FNC) || op == OP_LOAD_I || op == OP_LOAD_P)
{
ddef16_t *ent = ED_GlobalAtOfs16(progfuncs, st16[st].a);
ddef16_t *fld = ED_GlobalAtOfs16(progfuncs, st16[st].b);
pbool skip = false;
edictrun_t *ed;
unsigned int entnum;
eval_t *ptr;
fdef_t *fdef;
fdef_t *cnfd;
const char *classname;
if (!ent || !fld)
continue;
//all this extra code to avoid printing dupes...
for (st2 = st-1; st2 >= pr_xfunction->first_statement; st2--)
{
if (current_progstate->linenums[st2] < line - 2 || current_progstate->linenums[st2] > line + 2)
continue;
op = st16[st2].op & ~0x8000;
if (op == OP_ADDRESS || (op >= OP_LOAD_F && op <= OP_LOAD_FNC) || op == OP_LOAD_I || op == OP_LOAD_P)
if (st16[st].a == st16[st2].a && st16[st].b == st16[st2].b)
{
skip = true;
break;
}
}
if (skip)
continue;
entnum = ((eval_t *)&pr_globals[st16[st].a])->edict;
if (entnum >= sv_num_edicts)
{
classname = "INVALID";
ptr = NULL;
}
else
{
ed = PROG_TO_EDICT(progfuncs, entnum);
ptr = (eval_t *)(((int *)edvars(ed)) + ((eval_t *)&pr_globals[st16[st].b])->_int + progfuncs->funcs.fieldadjust);
cnfd = ED_FindField(progfuncs, "classname");
if (cnfd)
{
string_t *v = (string_t *)((char *)edvars(ed) + cnfd->ofs*4);
classname = PR_StringToNative(&progfuncs->funcs, *v);
}
else
classname = "";
}
if (*classname)
fdef = ED_ClassFieldAtOfs(progfuncs, ((eval_t *)&pr_globals[st16[st].b])->_int, classname);
else
fdef = ED_FieldAtOfs(progfuncs, ((eval_t *)&pr_globals[st16[st].b])->_int);
if (fdef)
printf(" %s.%s: %s\n", ent->s_name+progfuncs->funcs.stringtable, fld->s_name+progfuncs->funcs.stringtable, PR_ValueString(progfuncs, fdef->type, ptr, false));
else
printf(" %s.%s: BAD FIELD DEF - %#x\n", ent->s_name+progfuncs->funcs.stringtable, fld->s_name+progfuncs->funcs.stringtable, ptr->_int);
}
}
}
void PDECL PR_StackTrace (pubprogfuncs_t *ppf, int showlocals)
{
progfuncs_t *progfuncs = (progfuncs_t *)ppf;
const mfunction_t *f;
int i;
int progs;
int arg;
int *globalbase;
int tracing = progfuncs->funcs.debug_trace;
progs = -1;
if (pr_depth == 0)
{
printf ("<NO STACK>\n");
return;
}
progfuncs->funcs.debug_trace = -10;
//point this to the function's locals
globalbase = (int *)pr_globals + pr_xfunction->parm_start + pr_xfunction->locals;
pr_stack[pr_depth].f = pr_xfunction;
pr_stack[pr_depth].s = pr_xstatement;
for (i=pr_depth ; i>0 ; i--)
{
f = pr_stack[i].f;
if (!f)
{
printf ("<NO FUNCTION>\n");
}
else
{
globalbase -= f->locals;
if (pr_stack[i].progsnum != progs)
{
progs = pr_stack[i].progsnum;
printf ("<%s>\n", pr_progstate[progs].filename);
}
if (!f->s_file)
printf ("stripped : %s\n", PR_StringToNative(ppf, f->s_name));
else
{
if (pr_progstate[progs].linenums)
printf ("%12s:%i: %s\n", PR_StringToNative(ppf, f->s_file), pr_progstate[progs].linenums[pr_stack[i].s], PR_StringToNative(ppf, f->s_name));
else
printf ("%12s : %s\n", PR_StringToNative(ppf, f->s_file), PR_StringToNative(ppf, f->s_name));
}
//locals:0 = no locals
//locals:1 = top only
//locals:2 = ALL locals.
if ((i == pr_depth && showlocals == 1) || showlocals >= 2)
for (arg = 0; arg < f->locals; arg++)
{
ddef16_t *local;
local = ED_GlobalAtOfs16(progfuncs, f->parm_start+arg);
if (!local)
{
//printf(" ofs %i: %f : %i\n", f->parm_start+arg, *(float *)(globalbase - f->locals+arg), *(int *)(globalbase - f->locals+arg) );
}
else
{
printf(" %s: %s\n", local->s_name+progfuncs->funcs.stringtable, PR_ValueString(progfuncs, local->type, (eval_t*)(globalbase+arg), false));
if (local->type == ev_vector)
arg+=2;
}
}
if (i == pr_depth)
{ //scan for op_address/op_load instructions within the function
PR_PrintRelevantLocals(progfuncs);
}
if (i == pr_depth)
globalbase = localstack + localstack_used;
}
}
progfuncs->funcs.debug_trace = tracing;
}
/*
============================================================================
PR_ExecuteProgram
The interpretation main loop
============================================================================
*/
/*
====================
PR_EnterFunction
Returns the new program statement counter
====================
*/
int ASMCALL PR_EnterFunction (progfuncs_t *progfuncs, mfunction_t *f, int progsnum)
{
int i, j, c, o;
pr_stack[pr_depth].s = pr_xstatement;
pr_stack[pr_depth].f = pr_xfunction;
pr_stack[pr_depth].progsnum = progsnum;
pr_stack[pr_depth].pushed = pr_spushed;
pr_stack[pr_depth].stepping = progfuncs->funcs.debug_trace;
if (progfuncs->funcs.debug_trace == DEBUG_TRACE_OVER)
progfuncs->funcs.debug_trace = DEBUG_TRACE_OFF;
if (prinst.profiling)
{
pr_stack[pr_depth].timestamp = Sys_GetClock();
}
pr_depth++;
if (pr_depth == MAX_STACK_DEPTH)
{
pr_depth--;
PR_StackTrace (&progfuncs->funcs, false);
printf ("stack overflow on call to %s (depth %i)\n", progfuncs->funcs.stringtable+f->s_name, pr_depth);
//comment this out if you want the progs to try to continue anyway (could cause infinate loops)
PR_AbortStack(&progfuncs->funcs);
externs->Abort("Stack Overflow in %s\n", progfuncs->funcs.stringtable+f->s_name);
return pr_xstatement;
}
localstack_used += pr_spushed; //make sure the call doesn't hurt pushed pointers
// save off any locals that the new function steps on (to a side place, fromwhere they are restored on exit)
c = f->locals;
if (localstack_used + c > LOCALSTACK_SIZE)
{
localstack_used -= pr_spushed;
pr_depth--;
PR_RunError (&progfuncs->funcs, "PR_ExecuteProgram: locals stack overflow\n");
}
for (i=0 ; i < c ; i++)
localstack[localstack_used+i] = ((int *)pr_globals)[f->parm_start + i];
localstack_used += c;
// copy parameters (set initial values)
o = f->parm_start;
for (i=0 ; i<f->numparms ; i++)
{
for (j=0 ; j<f->parm_size[i] ; j++)
{
((int *)pr_globals)[o] = ((int *)pr_globals)[OFS_PARM0+i*3+j];
o++;
}
}
pr_xfunction = f;
return f->first_statement - 1; // offset the s++
}
/*
====================
PR_LeaveFunction
====================
*/
int ASMCALL PR_LeaveFunction (progfuncs_t *progfuncs)
{
int i, c;
if (pr_depth <= 0)
Sys_Error ("prog stack underflow");
// restore locals from the stack
c = pr_xfunction->locals;
localstack_used -= c;
if (localstack_used < 0)
PR_RunError (&progfuncs->funcs, "PR_ExecuteProgram: locals stack underflow\n");
for (i=0 ; i < c ; i++)
((int *)pr_globals)[pr_xfunction->parm_start + i] = localstack[localstack_used+i];
// up stack
pr_depth--;
PR_SwitchProgsParms(progfuncs, pr_stack[pr_depth].progsnum);
pr_spushed = pr_stack[pr_depth].pushed;
if (!progfuncs->funcs.debug_trace)
progfuncs->funcs.debug_trace = pr_stack[pr_depth].stepping;
if (prinst.profiling)
{
unsigned long long cycles;
cycles = Sys_GetClock() - pr_stack[pr_depth].timestamp;
pr_xfunction->profiletime += cycles;
pr_xfunction = pr_stack[pr_depth].f;
if (pr_depth)
pr_xfunction->profilechildtime += cycles;
}
else
pr_xfunction = pr_stack[pr_depth].f;
localstack_used -= pr_spushed;
return pr_stack[pr_depth].s;
}
ddef32_t *ED_FindLocalOrGlobal(progfuncs_t *progfuncs, char *name, eval_t **val)
{
static ddef32_t def;
ddef32_t *def32;
ddef16_t *def16;
int i;
if (pr_typecurrent < 0)
return NULL;
switch (pr_progstate[pr_typecurrent].structtype)
{
case PST_DEFAULT:
case PST_KKQWSV:
//this gets parms fine, but not locals
if (pr_xfunction)
for (i = 0; i < pr_xfunction->locals; i++)
{
def16 = ED_GlobalAtOfs16(progfuncs, pr_xfunction->parm_start+i);
if (!def16)
continue;
if (!strcmp(def16->s_name+progfuncs->funcs.stringtable, name))
{
*val = (eval_t *)&pr_progstate[pr_typecurrent].globals[pr_xfunction->parm_start+i];
//we need something like this for functions that are not the top layer
// *val = (eval_t *)&localstack[localstack_used-pr_xfunction->numparms*4];
def.ofs = def16->ofs;
def.s_name = def16->s_name;
def.type = def16->type;
return &def;
}
}
def16 = ED_FindGlobal16(progfuncs, name);
if (!def16)
return NULL;
def.ofs = def16->ofs;
def.type = def16->type;
def.s_name = def16->s_name;
def32 = &def;
break;
case PST_QTEST:
case PST_FTE32:
//this gets parms fine, but not locals
if (pr_xfunction)
for (i = 0; i < pr_xfunction->numparms; i++)
{
def32 = ED_GlobalAtOfs32(progfuncs, pr_xfunction->parm_start+i);
if (!def32)
continue;
if (!strcmp(def32->s_name+progfuncs->funcs.stringtable, name))
{
*val = (eval_t *)&pr_progstate[pr_typecurrent].globals[pr_xfunction->parm_start+i];
//we need something like this for functions that are not the top layer
// *val = (eval_t *)&localstack[localstack_used-pr_xfunction->numparms*4];
return def32;
}
}
def32 = ED_FindGlobal32(progfuncs, name);
if (!def32)
return NULL;
break;
default:
Sys_Error("Bad struct type in ED_FindLocalOrGlobal");
def32 = NULL;
}
*val = (eval_t *)&pr_progstate[pr_typecurrent].globals[def32->ofs];
return &def;
}
static char *COM_TrimString(char *str, char *buffer, int buffersize)
{
int i;
while (*str <= ' ' && *str>'\0')
str++;
for (i = 0; i < buffersize-1; i++)
{
if (*str <= ' ')
break;
buffer[i] = *str++;
}
buffer[i] = '\0';
return buffer;
}
pbool LocateDebugTerm(progfuncs_t *progfuncs, char *key, eval_t **result, etype_t *rettype, eval_t *store)
{
ddef32_t *def;
fdef_t *fdef;
int fofs;
eval_t *val = NULL, *fval=NULL;
char *c, *c2;
etype_t type = ev_void;
struct edictrun_s *ed;
c = strchr(key, '.');
if (c) *c = '\0';
def = ED_FindLocalOrGlobal(progfuncs, key, &val);
if (!def)
{
if (*key == '\'')
{
type = ev_vector;
val = store;
val->_vector[0] = 0;
val->_vector[1] = 0;
val->_vector[2] = 0;
}
else if (*key == '\"')
{
type = ev_string;
val = store;
val->string = 0;
}
else if (atoi(key))
{
type = ev_entity;
val = store;
val->edict = atoi(key);
}
}
else
type = def->type;
if (c) *c = '.';
if (!val)
{
return false;
}
//go through ent vars
c = strchr(key, '.');
while(c)
{
c2 = c+1;
c = strchr(c2, '.');
type = type &~DEF_SAVEGLOBAL;
if (current_progstate && current_progstate->types)
type = current_progstate->types[type].type;
if (type != ev_entity)
return false;
if (c)*c = '\0';
fdef = ED_FindField(progfuncs, c2);
if (!fdef)
{
char trimmed[256];
c2 = COM_TrimString(c2, trimmed, sizeof(trimmed));
def = ED_FindLocalOrGlobal(progfuncs, c2, &fval);
if (def && def->type == ev_field)
{
fofs = fval->_int + progfuncs->funcs.fieldadjust;
fdef = ED_FieldAtOfs(progfuncs, fofs);
}
}
if (c)*c = '.';
if (!fdef)
return false;
fofs = fdef->ofs;
type = fdef->type;
ed = PROG_TO_EDICT(progfuncs, val->_int);
if (!ed)
return false;
if (fofs < 0 || fofs >= (int)max_fields_size)
return false;
val = (eval_t *) (((char *)ed->fields) + fofs*4);
}
*rettype = type;
*result = val;
return true;
}
pbool PDECL PR_SetWatchPoint(pubprogfuncs_t *ppf, char *key)
{
progfuncs_t *progfuncs = (progfuncs_t *)ppf;
eval_t *val;
eval_t fakeval;
etype_t type;
if (!key)
{
free(prinst.watch_name);
prinst.watch_name = NULL;
prinst.watch_ptr = NULL;
prinst.watch_type = ev_void;
return false;
}
if (!LocateDebugTerm(progfuncs, key, &val, &type, &fakeval))
{
printf("Unable to evaluate watch term \"%s\"\n", key);
return false;
}
if (val == &fakeval)
{
printf("Do you like watching paint dry?\n");
return false;
}
if (type == ev_vector)
{
printf("Unable to watch vectors. Watching the x field instead.\n");
type = ev_float;
}
free(prinst.watch_name);
prinst.watch_name = strdup(key);
prinst.watch_ptr = val;
prinst.watch_old = *prinst.watch_ptr;
prinst.watch_type = type;
return true;
}
char *PDECL PR_EvaluateDebugString(pubprogfuncs_t *ppf, char *key)
{
progfuncs_t *progfuncs = (progfuncs_t*)ppf;
static char buf[8192];
fdef_t *fdef;
eval_t *val;
char *assignment;
etype_t type;
eval_t fakeval;
if (*key == '&')
{
if (!LocateDebugTerm(progfuncs, key+1, &val, &type, &fakeval) && val != &fakeval)
return "(unable to evaluate)";
QC_snprintfz(buf, sizeof(buf), "%#x", (char*)val - progfuncs->funcs.stringtable);
return buf;
}
assignment = strchr(key, '=');
if (assignment)
*assignment = '\0';
if (!LocateDebugTerm(progfuncs, key, &val, &type, &fakeval))
return "(unable to evaluate)";
/*
c = strchr(key, '.');
if (c) *c = '\0';
def = ED_FindLocalOrGlobal(progfuncs, key, &val);
if (!def)
{
if (atoi(key))
{
def = &fakedef;
def->ofs = 0;
def->type = ev_entity;
val = &fakeval;
val->edict = atoi(key);
}
}
if (c) *c = '.';
if (!def)
{
return "(Bad string)";
}
type = def->type;
//go through ent vars
c = strchr(key, '.');
while(c)
{
c2 = c+1;
c = strchr(c2, '.');
type = type &~DEF_SAVEGLOBAL;
if (current_progstate && current_progstate->types)
type = current_progstate->types[type].type;
if (type != ev_entity)
return "'.' without entity";
if (c)*c = '\0';
fdef = ED_FindField(progfuncs, COM_TrimString(c2));
if (c)*c = '.';
if (!fdef)
return "(Bad string)";
ed = PROG_TO_EDICT(progfuncs, val->_int);
if (!ed)
return "(Invalid Entity)";
val = (eval_t *) (((char *)ed->fields) + fdef->ofs*4);
type = fdef->type;
}
*/
if (assignment)
{
char *str = assignment+1;
while(*str == ' ')
str++;
switch (type&~DEF_SAVEGLOBAL)
{
case ev_string:
#ifdef QCGC
*(string_t *)val = PR_AllocTempString(&progfuncs->funcs, str);
#else
*(string_t *)val = PR_StringToProgs(&progfuncs->funcs, ED_NewString (&progfuncs->funcs, assignment, 0, true));
#endif
break;
case ev_float:
if (str[0] == '0' && (str[1] == 'x' || str[1] == 'X'))
*(float*)val = strtoul(str, NULL, 0);
else
*(float *)val = (float)atof (str);
break;
case ev_integer:
*(int *)val = atoi (str);
break;
case ev_vector:
{
int i;
if (*str == '\'')
str++;
for (i = 0; i < 3; i++)
{
while(*str == ' ' || *str == '\t')
str++;
((float *)val)[i] = strtod(str, &str);
}
while(*str == ' ' || *str == '\t')
str++;
if (*str == '\'')
str++;
}
break;
case ev_entity:
if (!EDICT_NUM(progfuncs, atoi (str)))
return "(invalid entity)";
*(int *)val = EDICT_TO_PROG(progfuncs, EDICT_NUM(progfuncs, atoi (str)));
break;
case ev_field:
fdef = ED_FindField (progfuncs, str);
if (!fdef)
{
size_t l,nl = strlen(str);
*assignment = '=';
strcpy(buf, "Can't find field ");
l = strlen(buf);
if (nl > sizeof(buf)-l-2)
nl = sizeof(buf)-l-2;
memcpy(buf+l, str, nl);
buf[l+nl+1] = 0;
return buf;
}
*(int *)val = G_INT(fdef->ofs);
break;
case ev_function:
{
mfunction_t *func;
int i;
int progsnum = -1;
if (str[0] && str[1] == ':')
{
progsnum = atoi(str);
str+=2;
}
else if (str[0] && str[1] && str[2] == ':')
{
progsnum = atoi(str);
str+=3;
}
func = ED_FindFunction (progfuncs, str, &i, progsnum);
if (!func)
{
size_t l,nl = strlen(str);
*assignment = '=';
strcpy(buf, "Can't find field ");
l = strlen(buf);
if (nl > sizeof(buf)-l-2)
nl = sizeof(buf)-l-2;
memcpy(buf+l, str, nl);
buf[l+nl+1] = 0;
return buf;
}
*(func_t *)val = (func - pr_progstate[i].functions) | (i<<24);
}
break;
default:
break;
}
*assignment = '=';
}
QC_snprintfz(buf, sizeof(buf), "%s", PR_ValueString(progfuncs, type, val, true));
return buf;
}
//int EditorHighlightLine(window_t *wnd, int line);
void SetExecutionToLine(progfuncs_t *progfuncs, int linenum)
{
int pn = pr_typecurrent;
int snum;
const mfunction_t *f = pr_xfunction;
switch(current_progstate->structtype)
{
case PST_DEFAULT:
case PST_QTEST:
for (snum = f->first_statement; pr_progstate[pn].linenums[snum] < linenum; snum++)
{
if (pr_statements16[snum].op == OP_DONE)
return;
}
break;
case PST_KKQWSV:
case PST_FTE32:
for (snum = f->first_statement; pr_progstate[pn].linenums[snum] < linenum; snum++)
{
if (pr_statements32[snum].op == OP_DONE)
return;
}
break;
default:
Sys_Error("Bad struct type");
snum = 0;
}
prinst.debugstatement = snum;
// EditorHighlightLine(editwnd, pr_progstate[pn].linenums[snum]);
}
//0 clear. 1 set, 2 toggle, 3 check
int PDECL PR_ToggleBreakpoint(pubprogfuncs_t *ppf, char *filename, int linenum, int flag) //write alternate route to work by function name.
{
progfuncs_t *progfuncs = (progfuncs_t*)ppf;
int ret=0;
unsigned int fl;
unsigned int i;
int pn = pr_typecurrent;
mfunction_t *f;
int op = 0; //warning about not being initialized before use
for (pn = 0; (unsigned)pn < maxprogs; pn++)
{
if (!pr_progstate || !pr_progstate[pn].progs)
continue;
if (linenum) //linenum is set means to set the breakpoint on a file and line
{
if (!pr_progstate[pn].linenums)
continue;
//we need to use the function table in order to set breakpoints in the right file.
for (f = pr_progstate[pn].functions, fl = 0; fl < pr_progstate[pn].progs->numfunctions; f++, fl++)
{
if (!stricmp(f->s_file+progfuncs->funcs.stringtable, filename))
{
for (i = f->first_statement; i < pr_progstate[pn].progs->numstatements; i++)
{
if (pr_progstate[pn].linenums[i] >= linenum)
{
fl = pr_progstate[pn].linenums[i];
for (; ; i++)
{
if ((unsigned int)pr_progstate[pn].linenums[i] > fl)
break;
switch(pr_progstate[pn].structtype)
{
case PST_DEFAULT:
case PST_QTEST:
op = ((dstatement16_t*)pr_progstate[pn].statements + i)->op;
break;
case PST_KKQWSV:
case PST_FTE32:
op = ((dstatement32_t*)pr_progstate[pn].statements + i)->op;
break;
default:
Sys_Error("Bad structtype");
op = 0;
}
switch (flag)
{
default:
if (op & 0x8000)
{
op &= ~0x8000;
ret = false;
flag = 0;
}
else
{
op |= 0x8000;
ret = true;
flag = 1;
}
break;
case 0:
op &= ~0x8000;
ret = false;
break;
case 1:
op |= 0x8000;
ret = true;
break;
case 3:
if (op & 0x8000)
return true;
}
switch(pr_progstate[pn].structtype)
{
case PST_DEFAULT:
case PST_QTEST:
((dstatement16_t*)pr_progstate[pn].statements + i)->op = op;
break;
case PST_KKQWSV:
case PST_FTE32:
((dstatement32_t*)pr_progstate[pn].statements + i)->op = op;
break;
default:
Sys_Error("Bad structtype");
op = 0;
}
if (ret) //if its set, only set one breakpoint statement, not all of them.
return true;
}
goto cont;
}
}
}
}
}
else //set the breakpoint on the first statement of the function specified.
{
for (f = pr_progstate[pn].functions, fl = 0; fl < pr_progstate[pn].progs->numfunctions; f++, fl++)
{
if (!strcmp(f->s_name+progfuncs->funcs.stringtable, filename))
{
i = f->first_statement;
switch(pr_progstate[pn].structtype)
{
case PST_DEFAULT:
case PST_QTEST:
op = ((dstatement16_t*)pr_progstate[pn].statements + i)->op;
break;
case PST_KKQWSV:
case PST_FTE32:
op = ((dstatement32_t*)pr_progstate[pn].statements + i)->op;
break;
default:
Sys_Error("Bad structtype");
}
switch (flag)
{
default:
if (op & 0x8000)
{
op &= ~0x8000;
ret = false;
flag = 0;
}
else
{
op |= 0x8000;
ret = true;
flag = 1;
}
break;
case 0:
op &= ~0x8000;
ret = false;
break;
case 1:
op |= 0x8000;
ret = true;
break;
case 3:
if (op & 0x8000)
return true;
}
switch(pr_progstate[pn].structtype)
{
case PST_DEFAULT:
case PST_QTEST:
((dstatement16_t*)pr_progstate[pn].statements + i)->op = op;
break;
case PST_KKQWSV:
case PST_FTE32:
((dstatement32_t*)pr_progstate[pn].statements + i)->op = op;
break;
default:
Sys_Error("Bad structtype");
}
break;
}
}
}
cont:
continue;
}
return ret;
}
int ShowStep(progfuncs_t *progfuncs, int statement, char *fault)
{
// return statement;
// texture realcursortex;
static int lastline = 0;
static int ignorestatement = 0; //
static const char *lastfile = 0;
int pn = pr_typecurrent;
int i;
const mfunction_t *f = pr_xfunction;
int faultline;
int debugaction;
pr_xstatement = statement;
if (!externs->useeditor)
{
PR_PrintStatement(progfuncs, statement);
return statement;
}
if (f && externs->useeditor)
{
for(;;) //for DEBUG_TRACE_NORESUME handling
{
if (pr_progstate[pn].linenums)
{
if (lastline == pr_progstate[pn].linenums[statement] && lastfile == f->s_file+progfuncs->funcs.stringtable && statement == ignorestatement && !fault)
{
ignorestatement++;
return statement; //no info/same line as last time
}
lastline = pr_progstate[pn].linenums[statement];
}
else
lastline = -1;
lastfile = PR_StringToNative(&progfuncs->funcs, f->s_file);
faultline = lastline;
debugaction = externs->useeditor(&progfuncs->funcs, lastfile, ((lastline>0)?&lastline:NULL), &statement, fault);
//if they changed the line to execute, we need to find a statement that is on that line
if (lastline && faultline != lastline)
{
switch(pr_progstate[pn].structtype)
{
case PST_FTE32:
case PST_KKQWSV:
{
dstatement32_t *st = pr_progstate[pn].statements;
unsigned int *lnos = pr_progstate[pn].linenums;
for (i = f->first_statement; ; i++)
{
if (lastline == lnos[i])
{
statement = i;
break;
}
else if (lastline <= lnos[i])
break;
else if (st[i].op == OP_DONE)
break;
}
}
break;
case PST_DEFAULT:
case PST_QTEST:
{
dstatement16_t *st = pr_progstate[pn].statements;
unsigned int *lnos = pr_progstate[pn].linenums;
for (i = f->first_statement; ; i++)
{
if (lastline == lnos[i])
{
statement = i;
break;
}
else if (lastline <= lnos[i])
break;
else if (st[i].op == OP_DONE)
break;
}
}
}
}
if (debugaction == DEBUG_TRACE_NORESUME)
continue;
else if(debugaction == DEBUG_TRACE_ABORT)
progfuncs->funcs.parms->Abort ("Debugging terminated");
else if (debugaction == DEBUG_TRACE_OUT)
{
//clear tracing for now, but ensure that it'll be reactivated once we reach the caller (if from qc)
progfuncs->funcs.debug_trace = DEBUG_TRACE_OFF;
if (pr_depth)
pr_stack[pr_depth-1].stepping = DEBUG_TRACE_INTO;
}
else //some other debug action. maybe resume.
progfuncs->funcs.debug_trace = debugaction;
break;
}
}
else if (f) //annoying.
{
if (*(f->s_file+progfuncs->funcs.stringtable)) //if we can't get the filename, then it was stripped, and debugging it like this is useless
if (externs->useeditor)
externs->useeditor(&progfuncs->funcs, f->s_file+progfuncs->funcs.stringtable, NULL, NULL, fault);
return statement;
}
ignorestatement = statement+1;
return statement;
}
int ShowStepf(progfuncs_t *progfuncs, int statement, char *fault, ...)
{
va_list argptr;
char faultstring[1024];
va_start (argptr,fault);
Q_vsnprintf (faultstring,sizeof(faultstring)-1, fault,argptr);
va_end (argptr);
return ShowStep(progfuncs, statement, faultstring);
}
//called by the qcvm when executing some statement that cannot be execed.
int PR_HandleFault (pubprogfuncs_t *ppf, char *error, ...)
{
progfuncs_t *progfuncs = (progfuncs_t *)ppf;
va_list argptr;
char string[1024];
int resumestatement;
va_start (argptr,error);
Q_vsnprintf (string,sizeof(string)-1, error,argptr);
va_end (argptr);
PR_StackTrace (ppf, true);
ppf->parms->Printf ("%s\n", string);
resumestatement = ShowStep(progfuncs, pr_xstatement, string);
if (resumestatement == 0)
{
PR_AbortStack(ppf);
return prinst.continuestatement;
// ppf->parms->Abort ("%s", string);
}
return resumestatement;
}
/*
============
PR_RunError
Aborts the currently executing function
============
*/
void VARGS PR_RunError (pubprogfuncs_t *progfuncs, char *error, ...)
{
va_list argptr;
char string[1024];
va_start (argptr,error);
Q_vsnprintf (string,sizeof(string)-1, error,argptr);
va_end (argptr);
// PR_PrintStatement (pr_statements + pr_xstatement);
PR_StackTrace (progfuncs, true);
progfuncs->parms->Printf ("\n");
//editbadfile(pr_strings + pr_xfunction->s_file, -1);
progfuncs->parms->Abort ("%s", string);
}
pbool PR_RunWarning (pubprogfuncs_t *ppf, char *error, ...)
{
progfuncs_t *progfuncs = (progfuncs_t *)ppf;
va_list argptr;
char string[1024];
va_start (argptr,error);
Q_vsnprintf (string,sizeof(string)-1, error,argptr);
va_end (argptr);
progfuncs->funcs.parms->Printf ("%s", string);
if (pr_depth != 0)
PR_StackTrace (ppf, false);
if (progfuncs->funcs.debug_trace == 0)
{
progfuncs->funcs.debug_trace = DEBUG_TRACE_INTO;
return true;
}
return false;
}
//For debugging. Assumes classname field exists.
const char *PR_GetEdictClassname(progfuncs_t *progfuncs, int edict)
{
fdef_t *cnfd = ED_FindField(progfuncs, "classname");
if (cnfd && edict < maxedicts)
{
string_t *v = (string_t *)((char *)edvars(PROG_TO_EDICT(progfuncs, edict)) + cnfd->ofs*4);
return PR_StringToNative(&progfuncs->funcs, *v);
}
return "";
}
static pbool casecmp_f(progfuncs_t *progfuncs, eval_t *ref, eval_t *val) {return ref->_float == val->_float;}
static pbool casecmp_i(progfuncs_t *progfuncs, eval_t *ref, eval_t *val) {return ref->_int == val->_int;}
static pbool casecmp_v(progfuncs_t *progfuncs, eval_t *ref, eval_t *val) {return ref->_vector[0] == val->_vector[0] &&
ref->_vector[1] == val->_vector[1] &&
ref->_vector[2] == val->_vector[2];}
static pbool casecmp_s(progfuncs_t *progfuncs, eval_t *ref, eval_t *val) { const char *refs = PR_StringToNative(&progfuncs->funcs, ref->string);
const char *vals = PR_StringToNative(&progfuncs->funcs, val->string);
return !strcmp(refs, vals);}
static pbool casecmprange_f(progfuncs_t *progfuncs, eval_t *ref, eval_t *min, eval_t *max) {return ref->_float >= min->_float && ref->_float <= max->_float;}
static pbool casecmprange_i(progfuncs_t *progfuncs, eval_t *ref, eval_t *min, eval_t *max) {return ref->_int >= min->_int && ref->_int <= max->_int;}
static pbool casecmprange_v(progfuncs_t *progfuncs, eval_t *ref, eval_t *min, eval_t *max) {return ref->_vector[0] >= min->_vector[0] && ref->_vector[0] <= max->_vector[0] &&
ref->_vector[1] >= min->_vector[1] && ref->_vector[1] <= max->_vector[1] &&
ref->_vector[2] >= min->_vector[2] && ref->_vector[2] <= max->_vector[2];}
static pbool casecmprange_bad(progfuncs_t *progfuncs, eval_t *ref, eval_t *min, eval_t *max){ PR_RunError (&progfuncs->funcs, "OP_CASERANGE type not supported");//BUG: pr_xstatement will not be correct.
return false;}
typedef pbool (*casecmp_t)(progfuncs_t *progfuncs, eval_t *ref, eval_t *val);
typedef pbool (*casecmprange_t)(progfuncs_t *progfuncs, eval_t *ref, eval_t *min, eval_t *max);
static casecmp_t casecmp[] =
{
casecmp_f, //float
casecmp_v, //vector
casecmp_s, //string
casecmp_i, //ent
casecmp_i //func
//pointer, field, int, etc are emulated with func or something. I dunno
};
static casecmprange_t casecmprange[] =
{
casecmprange_f, //float
casecmprange_v, //vector - I'm using a bbox, not really sure what it should be
casecmprange_bad, //string - should it use stof? string ranges don't relly make sense, at all.
casecmprange_i, //ent - doesn't really make sense, but as ints/pointers/fields/etc might be emulated with this, allow it anyway, as an int type.
casecmprange_i //func
};
#define RUNAWAYCHECK() \
if (!--*runaway) \
{ \
pr_xstatement = st-pr_statements; \
PR_RunError (&progfuncs->funcs, "runaway loop error\n");\
PR_StackTrace(&progfuncs->funcs,false); \
printf ("runaway loop error\n"); \
while(pr_depth > prinst.exitdepth) \
PR_LeaveFunction(progfuncs); \
pr_spushed = 0; \
return -1; \
}
static int PR_ExecuteCode16 (progfuncs_t *fte_restrict progfuncs, int s, int *fte_restrict runaway)
{
unsigned int switchcomparison = 0;
const dstatement16_t *fte_restrict st;
mfunction_t *fte_restrict newf;
int i;
edictrun_t *ed;
eval_t *ptr;
float *fte_restrict glob = pr_globals;
float tmpf;
int tmpi;
unsigned short op;
eval_t *switchref = (eval_t*)glob;
#define OPA ((eval_t *)&glob[st->a])
#define OPB ((eval_t *)&glob[st->b])
#define OPC ((eval_t *)&glob[st->c])
#define INTSIZE 16
st = &pr_statements16[s];
while (progfuncs->funcs.debug_trace || prinst.watch_ptr || prinst.profiling)
{
#ifdef FTE_TARGET_WEB
cont16:
reeval16:
//this can generate huge functions, so disable it on systems that can't realiably cope with such things (IE initiates an unwanted denial-of-service attack when pointed our javascript, and firefox prints a warning too)
pr_xstatement = st-pr_statements16;
PR_RunError (&progfuncs->funcs, "This platform does not support QC debugging.\n");
PR_StackTrace(&progfuncs->funcs, false);
return -1;
#else
#define DEBUGABLE
#ifdef SEPARATEINCLUDES
#include "execloop16d.h"
#else
#include "execloop.h"
#endif
#undef DEBUGABLE
#endif
}
while(1)
{
#include "execloop.h"
}
#undef INTSIZE
}
static int PR_ExecuteCode32 (progfuncs_t *fte_restrict progfuncs, int s, int *fte_restrict runaway)
{
#ifdef FTE_TARGET_WEB
//this can generate huge functions, so disable it on systems that can't realiably cope with such things (IE initiates an unwanted denial-of-service attack when pointed our javascript, and firefox prints a warning too)
pr_xstatement = s;
PR_RunError (&progfuncs->funcs, "32bit qc statement support was disabled for this platform.\n");
PR_StackTrace(&progfuncs->funcs, false);
return -1;
#else
unsigned int switchcomparison = 0;
const dstatement32_t *fte_restrict st;
mfunction_t *fte_restrict newf;
int i;
edictrun_t *ed;
eval_t *ptr;
float *fte_restrict glob = pr_globals;
float tmpf;
int tmpi;
eval_t *switchref = (eval_t*)glob;
unsigned int op;
#define OPA ((eval_t *)&glob[st->a])
#define OPB ((eval_t *)&glob[st->b])
#define OPC ((eval_t *)&glob[st->c])
#define INTSIZE 32
st = &pr_statements32[s];
while (progfuncs->funcs.debug_trace || prinst.watch_ptr || prinst.profiling)
{
#define DEBUGABLE
#ifdef SEPARATEINCLUDES
#include "execloop32d.h"
#else
#include "execloop.h"
#endif
#undef DEBUGABLE
}
while(1)
{
#ifdef SEPARATEINCLUDES
#include "execloop32.h"
#else
#include "execloop.h"
#endif
}
#undef INTSIZE
#endif
}
/*
====================
PR_ExecuteProgram
====================
*/
static void PR_ExecuteCode (progfuncs_t *progfuncs, int s)
{
int runaway;
if (prinst.watch_ptr && prinst.watch_ptr->_int != prinst.watch_old._int)
{
switch(prinst.watch_type)
{
case ev_float:
printf("Watch point \"%s\" changed by engine from %g to %g.\n", prinst.watch_name, prinst.watch_old._float, prinst.watch_ptr->_float);
break;
case ev_vector:
printf("Watch point \"%s\" changed by engine from '%g %g %g' to '%g %g %g'.\n", prinst.watch_name, prinst.watch_old._vector[0], prinst.watch_old._vector[1], prinst.watch_old._vector[2], prinst.watch_ptr->_vector[0], prinst.watch_ptr->_vector[1], prinst.watch_ptr->_vector[2]);
break;
default:
printf("Watch point \"%s\" changed by engine from %i to %i.\n", prinst.watch_name, prinst.watch_old._int, prinst.watch_ptr->_int);
break;
case ev_entity:
printf("Watch point \"%s\" changed by engine from %i(%s) to %i(%s).\n", prinst.watch_name, prinst.watch_old._int, PR_GetEdictClassname(progfuncs, prinst.watch_old._int), prinst.watch_ptr->_int, PR_GetEdictClassname(progfuncs, prinst.watch_ptr->_int));
break;
case ev_function:
case ev_string:
printf("Watch point \"%s\" set by engine to %s.\n", prinst.watch_name, PR_ValueString(progfuncs, prinst.watch_type, prinst.watch_ptr, false));
break;
}
prinst.watch_old = *prinst.watch_ptr;
//we can't dump stack or anything, as we don't really know the stack frame that it happened in.
//stop watching
// prinst->watch_ptr = NULL;
}
prinst.continuestatement = -1;
#ifdef QCJIT
if (current_progstate->jit)
{
PR_EnterJIT(progfuncs, current_progstate->jit, s);
return;
}
#endif
runaway = 100000000;
for(;;)
{
switch (current_progstate->structtype)
{
case PST_DEFAULT:
case PST_QTEST:
s = PR_ExecuteCode16(progfuncs, s, &runaway);
if (s == -1)
return;
continue;
case PST_KKQWSV:
case PST_FTE32:
s = PR_ExecuteCode32(progfuncs, s, &runaway);
if (s == -1)
return;
continue;
default:
Sys_Error("PR_ExecuteProgram - bad structtype");
}
}
}
void PDECL PR_ExecuteProgram (pubprogfuncs_t *ppf, func_t fnum)
{
progfuncs_t *progfuncs = (progfuncs_t*)ppf;
mfunction_t *f;
int i;
unsigned int initial_progs;
int oldexitdepth;
int s;
#ifndef QCGC
int tempdepth;
#endif
unsigned int newprogs = (fnum & 0xff000000)>>24;
initial_progs = pr_typecurrent;
if (newprogs != initial_progs)
{
if (newprogs >= maxprogs || !&pr_progstate[newprogs].globals) //can happen with hexen2...
{
printf("PR_ExecuteProgram: tried branching into invalid progs\n");
return;
}
PR_SwitchProgsParms(progfuncs, newprogs);
}
if (!(fnum & ~0xff000000) || (signed)(fnum & ~0xff000000) >= pr_progs->numfunctions)
{
// if (pr_global_struct->self)
// ED_Print (PROG_TO_EDICT(pr_global_struct->self));
#if defined(__GNUC__) && !defined(FTE_TARGET_WEB)
printf("PR_ExecuteProgram: NULL function from exe (address %p)\n", __builtin_return_address(0));
#else
printf("PR_ExecuteProgram: NULL function from exe\n");
#endif
// Host_Error ("PR_ExecuteProgram: NULL function from exe");
// PR_MoveParms(0, pr_typecurrent);
PR_SwitchProgs(progfuncs, initial_progs);
return;
}
oldexitdepth = prinst.exitdepth;
f = &pr_cp_functions[fnum & ~0xff000000];
if (f->first_statement < 0)
{ // negative statements are built in functions
i = -f->first_statement;
if (i < externs->numglobalbuiltins)
(*externs->globalbuiltins[i]) (&progfuncs->funcs, (struct globalvars_s *)current_progstate->globals);
else
{
printf ("Bad builtin call number %i (from exe)\n", -f->first_statement);
// PR_MoveParms(p, pr_typecurrent);
PR_SwitchProgs(progfuncs, initial_progs);
}
PR_SwitchProgsParms(progfuncs, initial_progs);
return;
}
//forget about any tracing if its active. control returning to the engine should not look like its calling some random function.
progfuncs->funcs.debug_trace = 0;
// make a stack frame
prinst.exitdepth = pr_depth;
s = PR_EnterFunction (progfuncs, f, initial_progs);
#ifndef QCGC
tempdepth = prinst.numtempstringsstack;
#endif
PR_ExecuteCode(progfuncs, s);
PR_SwitchProgsParms(progfuncs, initial_progs);
#ifndef QCGC
PR_FreeTemps(progfuncs, tempdepth);
prinst.numtempstringsstack = tempdepth;
#else
if (!pr_depth)
PR_RunGC(progfuncs);
#endif
prinst.exitdepth = oldexitdepth;
}
typedef struct {
int fnum;
int progsnum;
int statement;
} qcthreadstack_t;
typedef struct qcthread_s {
int fstackdepth;
qcthreadstack_t fstack[MAX_STACK_DEPTH];
int lstackused;
int lstack[LOCALSTACK_SIZE];
int xstatement;
int xfunction;
progsnum_t xprogs;
} qcthread_t;
struct qcthread_s *PDECL PR_ForkStack(pubprogfuncs_t *ppf)
{ //QC code can call builtins that call qc code.
//to get around the problems of restoring the builtins we simply don't save the thread over the builtin.
progfuncs_t *progfuncs = (progfuncs_t*)ppf;
int i, l;
int ed = prinst.exitdepth;
int localsoffset, baselocalsoffset;
qcthread_t *thread = externs->memalloc(sizeof(qcthread_t));
const mfunction_t *f;
//copy out the functions stack.
for (i = 0,localsoffset=0; i < ed; i++)
{
if (i+1 == pr_depth)
f = pr_xfunction;
else
f = pr_stack[i+1].f;
localsoffset += f->locals; //this is where it crashes
}
baselocalsoffset = localsoffset;
for (i = ed; i < pr_depth; i++)
{
thread->fstack[i-ed].fnum = pr_stack[i].f - pr_progstate[pr_stack[i].progsnum].functions;
thread->fstack[i-ed].progsnum = pr_stack[i].progsnum;
thread->fstack[i-ed].statement = pr_stack[i].s;
if (i+1 == pr_depth)
f = pr_xfunction;
else
f = pr_stack[i+1].f;
localsoffset += f->locals;
}
thread->fstackdepth = pr_depth - ed;
for (i = pr_depth - 1; i >= ed ; i--)
{
if (i+1 == pr_depth)
f = pr_xfunction;
else
f = pr_stack[i+1].f;
localsoffset -= f->locals;
for (l = 0; l < f->locals; l++)
{
thread->lstack[localsoffset-baselocalsoffset + l ] = ((int *)pr_globals)[f->parm_start + l];
((int *)pr_globals)[f->parm_start + l] = localstack[localsoffset+l]; //copy the old value into the globals (so the older functions have the correct locals.
}
}
for (i = ed; i < pr_depth ; i++) //we need to get the locals back to how they were.
{
if (i+1 == pr_depth)
f = pr_xfunction;
else
f = pr_stack[i+1].f;
for (l = 0; l < f->locals; l++)
{
((int *)pr_globals)[f->parm_start + l] = thread->lstack[localsoffset-baselocalsoffset + l];
}
localsoffset += f->locals;
}
thread->lstackused = localsoffset - baselocalsoffset;
thread->xstatement = pr_xstatement;
thread->xfunction = pr_xfunction - pr_progstate[pr_typecurrent].functions;
thread->xprogs = pr_typecurrent;
return thread;
}
void PDECL PR_ResumeThread (pubprogfuncs_t *ppf, struct qcthread_s *thread)
{
progfuncs_t *progfuncs = (progfuncs_t*)ppf;
mfunction_t *f, *oldf;
int i,l,ls;
progsnum_t initial_progs;
int oldexitdepth;
int s;
#ifndef QCGC
int tempdepth;
#endif
progsnum_t prnum = thread->xprogs;
int fnum = thread->xfunction;
if (localstack_used + thread->lstackused > LOCALSTACK_SIZE)
PR_RunError(&progfuncs->funcs, "Too many locals on resumtion of QC thread\n");
if (pr_depth + thread->fstackdepth > MAX_STACK_DEPTH)
PR_RunError(&progfuncs->funcs, "Too large stack on resumtion of QC thread\n");
//do progs switching stuff as appropriate. (fteqw only)
initial_progs = pr_typecurrent;
PR_SwitchProgsParms(progfuncs, prnum);
oldexitdepth = prinst.exitdepth;
prinst.exitdepth = pr_depth;
ls = 0;
//add on the callstack.
for (i = 0; i < thread->fstackdepth; i++)
{
if (pr_depth == prinst.exitdepth)
{
pr_stack[pr_depth].f = pr_xfunction;
pr_stack[pr_depth].s = pr_xstatement;
pr_stack[pr_depth].progsnum = initial_progs;
}
else
{
pr_stack[pr_depth].progsnum = thread->fstack[i].progsnum;
pr_stack[pr_depth].f = pr_progstate[thread->fstack[i].progsnum].functions + thread->fstack[i].fnum;
pr_stack[pr_depth].s = thread->fstack[i].statement;
}
if (i+1 == thread->fstackdepth)
f = &pr_cp_functions[fnum];
else
f = pr_progstate[thread->fstack[i+1].progsnum].functions + thread->fstack[i+1].fnum;
for (l = 0; l < f->locals; l++)
{
localstack[localstack_used++] = ((int *)pr_globals)[f->parm_start + l];
((int *)pr_globals)[f->parm_start + l] = thread->lstack[ls++];
}
pr_depth++;
}
if (ls != thread->lstackused)
PR_RunError(&progfuncs->funcs, "Thread stores incorrect locals count\n");
f = &pr_cp_functions[fnum];
// thread->lstackused -= f->locals; //the current function is the odd one out.
//add on the locals stack
memcpy(localstack+localstack_used, thread->lstack, sizeof(int)*thread->lstackused);
localstack_used += thread->lstackused;
//bung the locals of the current function on the stack.
// for (i=0 ; i < f->locals ; i++)
// ((int *)pr_globals)[f->parm_start + i] = 0xff00ff00;//thread->lstack[thread->lstackused+i];
// PR_EnterFunction (progfuncs, f, initial_progs);
oldf = pr_xfunction;
pr_xfunction = f;
s = thread->xstatement;
#ifndef QCGC
tempdepth = prinst.numtempstringsstack;
#endif
PR_ExecuteCode(progfuncs, s);
PR_SwitchProgsParms(progfuncs, initial_progs);
#ifndef QCGC
PR_FreeTemps(progfuncs, tempdepth);
prinst.numtempstringsstack = tempdepth;
#endif
prinst.exitdepth = oldexitdepth;
pr_xfunction = oldf;
}
void PDECL PR_AbortStack (pubprogfuncs_t *ppf)
{
progfuncs_t *progfuncs = (progfuncs_t*)ppf;
while(pr_depth > prinst.exitdepth+1)
PR_LeaveFunction(progfuncs);
prinst.continuestatement = 0;
}
pbool PDECL PR_GetBuiltinCallInfo (pubprogfuncs_t *ppf, int *builtinnum, char *function, size_t sizeoffunction)
{
progfuncs_t *progfuncs = (progfuncs_t*)ppf;
int st = pr_xstatement;
int op;
int a;
const char *fname;
op = pr_statements16[st].op;
a = pr_statements16[st].a;
*builtinnum = 0;
*function = 0;
if ((op >= OP_CALL0 && op <= OP_CALL8) || (op >= OP_CALL1H && op <= OP_CALL8H))
{
a = ((eval_t *)&pr_globals[a])->function;
*builtinnum = -current_progstate->functions[a].first_statement;
fname = PR_StringToNative(ppf, current_progstate->functions[a].s_name);
strncpy(function, fname, sizeoffunction-1);
function[sizeoffunction-1] = 0;
return true;
}
return false;
}
View git blame Copy permalink