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pr_exec.c
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pr_exec.c
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//**************************************************************************
//**
//** pr_exec.c
//**
//** $Header: /H2 Mission Pack/PR_EXEC.C 5 3/06/98 12:35a Jmonroe $
//**
//**************************************************************************
// HEADER FILES ------------------------------------------------------------
#include "quakedef.h"
// MACROS ------------------------------------------------------------------
#define MAX_STACK_DEPTH 32
#define LOCALSTACK_SIZE 2048
#if defined(_MSC_VER) && defined(_WIN32) && defined(_DEBUG)
// Uses the Pentium specific opcode RDTSC (ReaD TimeStamp Counter)
#define TIMESNAP_ACTIVE
#define TIMESNAP(clock) __asm push eax\
__asm push edx\
__asm _emit 0x0F\
__asm _emit 0x31\
__asm mov clock, eax\
__asm pop edx\
__asm pop eax
#endif
// TYPES -------------------------------------------------------------------
typedef struct
{
int s;
dfunction_t *f;
} prstack_t;
// EXTERNAL FUNCTION PROTOTYPES --------------------------------------------
char *PR_GlobalString(int ofs);
char *PR_GlobalStringNoContents(int ofs);
// PUBLIC FUNCTION PROTOTYPES ----------------------------------------------
// PRIVATE FUNCTION PROTOTYPES ---------------------------------------------
static int EnterFunction(dfunction_t *f);
static int LeaveFunction(void);
static void PrintStatement(dstatement_t *s);
static void PrintCallHistory(void);
#ifdef TIMESNAP_ACTIVE
static unsigned int ProgsTimer(void);
#endif
// EXTERNAL DATA DECLARATIONS ----------------------------------------------
// PUBLIC DATA DEFINITIONS -------------------------------------------------
qboolean pr_trace;
dfunction_t *pr_xfunction;
int pr_xstatement;
int pr_argc;
// PRIVATE DATA DEFINITIONS ------------------------------------------------
static prstack_t pr_stack[MAX_STACK_DEPTH];
static int pr_depth;
static int localstack[LOCALSTACK_SIZE];
static int localstack_used;
static char *pr_opnames[] =
{
"DONE",
"MUL_F", "MUL_V", "MUL_FV", "MUL_VF",
"DIV",
"ADD_F", "ADD_V",
"SUB_F", "SUB_V",
"EQ_F", "EQ_V", "EQ_S", "EQ_E", "EQ_FNC",
"NE_F", "NE_V", "NE_S", "NE_E", "NE_FNC",
"LE", "GE", "LT", "GT",
"INDIRECT", "INDIRECT", "INDIRECT",
"INDIRECT", "INDIRECT", "INDIRECT",
"ADDRESS",
"STORE_F", "STORE_V", "STORE_S",
"STORE_ENT", "STORE_FLD", "STORE_FNC",
"STOREP_F", "STOREP_V", "STOREP_S",
"STOREP_ENT", "STOREP_FLD", "STOREP_FNC",
"RETURN",
"NOT_F", "NOT_V", "NOT_S", "NOT_ENT", "NOT_FNC",
"IF", "IFNOT",
"CALL0", "CALL1", "CALL2", "CALL3", "CALL4",
"CALL5", "CALL6", "CALL7", "CALL8",
"STATE",
"GOTO",
"AND", "OR",
"BITAND", "BITOR",
"OP_MULSTORE_F", "OP_MULSTORE_V", "OP_MULSTOREP_F", "OP_MULSTOREP_V",
"OP_DIVSTORE_F", "OP_DIVSTOREP_F",
"OP_ADDSTORE_F", "OP_ADDSTORE_V", "OP_ADDSTOREP_F", "OP_ADDSTOREP_V",
"OP_SUBSTORE_F", "OP_SUBSTORE_V", "OP_SUBSTOREP_F", "OP_SUBSTOREP_V",
"OP_FETCH_GBL_F",
"OP_FETCH_GBL_V",
"OP_FETCH_GBL_S",
"OP_FETCH_GBL_E",
"OP_FETCH_GBL_FNC",
"OP_CSTATE", "OP_CWSTATE",
"OP_THINKTIME",
"OP_BITSET", "OP_BITSETP", "OP_BITCLR", "OP_BITCLRP",
"OP_RAND0", "OP_RAND1", "OP_RAND2", "OP_RANDV0", "OP_RANDV1", "OP_RANDV2",
"OP_SWITCH_F", "OP_SWITCH_V", "OP_SWITCH_S", "OP_SWITCH_E", "OP_SWITCH_FNC",
"OP_CASE",
"OP_CASERANGE"
};
// CODE --------------------------------------------------------------------
//==========================================================================
//
// PR_ExecuteProgram
//
//==========================================================================
//switch types
enum {SWITCH_F,SWITCH_V,SWITCH_S,SWITCH_E,SWITCH_FNC};
void PR_ExecuteProgram(func_t fnum)
{
int i;
int s;
eval_t *a, *b, *c;
eval_t *ptr;
dstatement_t *st;
dfunction_t *f, *newf;
int runaway;
edict_t *ed;
int exitdepth;
int startFrame;
int endFrame;
float val;
int case_type=-1;
float switch_float = 0; // make compiler happy
if(!fnum || fnum >= progs->numfunctions)
{
if(PR_GLOBAL_STRUCT(self))
{
ED_Print(PROG_TO_EDICT(PR_GLOBAL_STRUCT(self)));
}
Host_Error("PR_ExecuteProgram: NULL function");
}
f = &pr_functions[fnum];
runaway = 100000;
pr_trace = false;
exitdepth = pr_depth;
s = EnterFunction(f);
#ifdef TIMESNAP_ACTIVE
ProgsTimer(); // Init
#endif
while (1)
{
s++; // Next statement
st = &pr_statements[s];
a = (eval_t *)&pr_globals[(unsigned short)st->a];
b = (eval_t *)&pr_globals[(unsigned short)st->b];
c = (eval_t *)&pr_globals[(unsigned short)st->c];
if(!--runaway)
{
PR_RunError("runaway loop error");
}
#ifndef TIMESNAP_ACTIVE
pr_xfunction->profile++;
#endif
pr_xstatement = s;
if(pr_trace)
{
PrintStatement(st);
}
switch(st->op)
{
case OP_ADD_F:
c->_float = a->_float + b->_float;
break;
case OP_ADD_V:
c->vector[0] = a->vector[0] + b->vector[0];
c->vector[1] = a->vector[1] + b->vector[1];
c->vector[2] = a->vector[2] + b->vector[2];
break;
case OP_SUB_F:
c->_float = a->_float - b->_float;
break;
case OP_SUB_V:
c->vector[0] = a->vector[0] - b->vector[0];
c->vector[1] = a->vector[1] - b->vector[1];
c->vector[2] = a->vector[2] - b->vector[2];
break;
case OP_MUL_F:
c->_float = a->_float * b->_float;
break;
case OP_MUL_V:
c->_float = a->vector[0]*b->vector[0]
+ a->vector[1]*b->vector[1]
+ a->vector[2]*b->vector[2];
break;
case OP_MUL_FV:
c->vector[0] = a->_float * b->vector[0];
c->vector[1] = a->_float * b->vector[1];
c->vector[2] = a->_float * b->vector[2];
break;
case OP_MUL_VF:
c->vector[0] = b->_float * a->vector[0];
c->vector[1] = b->_float * a->vector[1];
c->vector[2] = b->_float * a->vector[2];
break;
case OP_DIV_F:
c->_float = a->_float / b->_float;
break;
case OP_BITAND:
c->_float = (int)a->_float & (int)b->_float;
break;
case OP_BITOR:
c->_float = (int)a->_float | (int)b->_float;
break;
case OP_GE:
c->_float = a->_float >= b->_float;
break;
case OP_LE:
c->_float = a->_float <= b->_float;
break;
case OP_GT:
c->_float = a->_float > b->_float;
break;
case OP_LT:
c->_float = a->_float < b->_float;
break;
case OP_AND:
c->_float = a->_float && b->_float;
break;
case OP_OR:
c->_float = a->_float || b->_float;
break;
case OP_NOT_F:
c->_float = !a->_float;
break;
case OP_NOT_V:
c->_float = !a->vector[0] && !a->vector[1] && !a->vector[2];
break;
case OP_NOT_S:
c->_float = !a->string || !pr_strings[a->string];
break;
case OP_NOT_FNC:
c->_float = !a->function;
break;
case OP_NOT_ENT:
c->_float = (PROG_TO_EDICT(a->edict) == sv.edicts);
break;
case OP_EQ_F:
c->_float = a->_float == b->_float;
break;
case OP_EQ_V:
c->_float = (a->vector[0] == b->vector[0])
&& (a->vector[1] == b->vector[1])
&& (a->vector[2] == b->vector[2]);
break;
case OP_EQ_S:
c->_float = !strcmp(pr_strings+a->string,pr_strings+b->string);
break;
case OP_EQ_E:
c->_float = a->_int == b->_int;
break;
case OP_EQ_FNC:
c->_float = a->function == b->function;
break;
case OP_NE_F:
c->_float = a->_float != b->_float;
break;
case OP_NE_V:
c->_float = (a->vector[0] != b->vector[0])
|| (a->vector[1] != b->vector[1])
|| (a->vector[2] != b->vector[2]);
break;
case OP_NE_S:
c->_float = strcmp(pr_strings+a->string,pr_strings+b->string);
break;
case OP_NE_E:
c->_float = a->_int != b->_int;
break;
case OP_NE_FNC:
c->_float = a->function != b->function;
break;
case OP_STORE_F:
case OP_STORE_ENT:
case OP_STORE_FLD: // integers
case OP_STORE_S:
case OP_STORE_FNC: // pointers
b->_int = a->_int;
break;
case OP_STORE_V:
b->vector[0] = a->vector[0];
b->vector[1] = a->vector[1];
b->vector[2] = a->vector[2];
break;
case OP_STOREP_F:
case OP_STOREP_ENT:
case OP_STOREP_FLD: // integers
case OP_STOREP_S:
case OP_STOREP_FNC: // pointers
ptr = (eval_t *)((byte *)sv.edicts + b->_int);
ptr->_int = a->_int;
break;
case OP_STOREP_V:
ptr = (eval_t *)((byte *)sv.edicts + b->_int);
ptr->vector[0] = a->vector[0];
ptr->vector[1] = a->vector[1];
ptr->vector[2] = a->vector[2];
break;
case OP_MULSTORE_F: // f *= f
b->_float *= a->_float;
break;
case OP_MULSTORE_V: // v *= f
b->vector[0] *= a->_float;
b->vector[1] *= a->_float;
b->vector[2] *= a->_float;
break;
case OP_MULSTOREP_F: // e.f *= f
ptr = (eval_t *)((byte *)sv.edicts+b->_int);
c->_float = (ptr->_float *= a->_float);
break;
case OP_MULSTOREP_V: // e.v *= f
ptr = (eval_t *)((byte *)sv.edicts+b->_int);
c->vector[0] = (ptr->vector[0] *= a->_float);
c->vector[0] = (ptr->vector[1] *= a->_float);
c->vector[0] = (ptr->vector[2] *= a->_float);
break;
case OP_DIVSTORE_F: // f /= f
b->_float /= a->_float;
break;
case OP_DIVSTOREP_F: // e.f /= f
ptr = (eval_t *)((byte *)sv.edicts+b->_int);
c->_float = (ptr->_float /= a->_float);
break;
case OP_ADDSTORE_F: // f += f
b->_float += a->_float;
break;
case OP_ADDSTORE_V: // v += v
b->vector[0] += a->vector[0];
b->vector[1] += a->vector[1];
b->vector[2] += a->vector[2];
break;
case OP_ADDSTOREP_F: // e.f += f
ptr = (eval_t *)((byte *)sv.edicts+b->_int);
c->_float = (ptr->_float += a->_float);
break;
case OP_ADDSTOREP_V: // e.v += v
ptr = (eval_t *)((byte *)sv.edicts+b->_int);
c->vector[0] = (ptr->vector[0] += a->vector[0]);
c->vector[1] = (ptr->vector[1] += a->vector[1]);
c->vector[2] = (ptr->vector[2] += a->vector[2]);
break;
case OP_SUBSTORE_F: // f -= f
b->_float -= a->_float;
break;
case OP_SUBSTORE_V: // v -= v
b->vector[0] -= a->vector[0];
b->vector[1] -= a->vector[1];
b->vector[2] -= a->vector[2];
break;
case OP_SUBSTOREP_F: // e.f -= f
ptr = (eval_t *)((byte *)sv.edicts+b->_int);
c->_float = (ptr->_float -= a->_float);
break;
case OP_SUBSTOREP_V: // e.v -= v
ptr = (eval_t *)((byte *)sv.edicts+b->_int);
c->vector[0] = (ptr->vector[0] -= a->vector[0]);
c->vector[1] = (ptr->vector[1] -= a->vector[1]);
c->vector[2] = (ptr->vector[2] -= a->vector[2]);
break;
case OP_ADDRESS:
ed = PROG_TO_EDICT(a->edict);
if(ed == (edict_t *)sv.edicts && sv.state == ss_active)
{
PR_RunError("assignment to world entity");
}
c->_int = (byte *)((int *)&ed->v + b->_int)-(byte *)sv.edicts;
break;
case OP_LOAD_F:
case OP_LOAD_FLD:
case OP_LOAD_ENT:
case OP_LOAD_S:
case OP_LOAD_FNC:
ed = PROG_TO_EDICT(a->edict);
a = (eval_t *)((int *)&ed->v+b->_int);
c->_int = a->_int;
break;
case OP_LOAD_V:
ed = PROG_TO_EDICT(a->edict);
a = (eval_t *)((int *)&ed->v + b->_int);
c->vector[0] = a->vector[0];
c->vector[1] = a->vector[1];
c->vector[2] = a->vector[2];
break;
case OP_FETCH_GBL_F:
case OP_FETCH_GBL_S:
case OP_FETCH_GBL_E:
case OP_FETCH_GBL_FNC:
i = (int)b->_float;
if(i < 0 || i > G_INT((unsigned short)st->a - 1))
{
PR_RunError("array index out of bounds: %d", i);
}
a = (eval_t *)&pr_globals[(unsigned short)st->a + i];
c->_int = a->_int;
break;
case OP_FETCH_GBL_V:
i = (int)b->_float;
if(i < 0 || i > G_INT((unsigned short)st->a - 1))
{
PR_RunError("array index out of bounds: %d", i);
}
a = (eval_t *)&pr_globals[(unsigned short)st->a
+((int)b->_float)*3];
c->vector[0] = a->vector[0];
c->vector[1] = a->vector[1];
c->vector[2] = a->vector[2];
break;
case OP_IFNOT:
if(!a->_int)
{
s += st->b-1; // -1 to offset the s++
}
break;
case OP_IF:
if(a->_int)
{
s += st->b-1; // -1 to offset the s++
}
break;
case OP_GOTO:
s += st->a-1; // -1 to offset the s++
break;
case OP_CALL8:
case OP_CALL7:
case OP_CALL6:
case OP_CALL5:
case OP_CALL4:
case OP_CALL3:
case OP_CALL2: // Copy second arg to shared space
VectorCopy(c->vector, G_VECTOR(OFS_PARM1));
case OP_CALL1: // Copy first arg to shared space
VectorCopy(b->vector, G_VECTOR(OFS_PARM0));
case OP_CALL0:
pr_argc = st->op-OP_CALL0;
if(!a->function)
{
PR_RunError("NULL function");
}
newf = &pr_functions[a->function];
if(newf->first_statement < 0)
{ // Built-in function
i = -newf->first_statement;
if(i >= pr_numbuiltins)
{
PR_RunError("Bad builtin call number");
}
pr_builtins[i]();
break;
}
// Normal function
#ifdef TIMESNAP_ACTIVE
pr_xfunction->profile += ProgsTimer();
#endif
s = EnterFunction(newf);
break;
case OP_DONE:
case OP_RETURN:
pr_globals[OFS_RETURN] = pr_globals[(unsigned short)st->a];
pr_globals[OFS_RETURN+1] = pr_globals[(unsigned short)st->a+1];
pr_globals[OFS_RETURN+2] = pr_globals[(unsigned short)st->a+2];
#ifdef TIMESNAP_ACTIVE
pr_xfunction->profile += ProgsTimer();
#endif
s = LeaveFunction();
if(pr_depth == exitdepth)
{ // Done
return;
}
break;
case OP_STATE:
ed = PROG_TO_EDICT(PR_GLOBAL_STRUCT(self));
/* Id 1.07 changes
*/
ed->v.nextthink = PR_GLOBAL_STRUCT(time) + HX_FRAME_TIME;
if(a->_float != ed->v.frame)
{
ed->v.frame = a->_float;
}
ed->v.think = b->function;
break;
case OP_CSTATE: // Cycle state
ed = PROG_TO_EDICT(PR_GLOBAL_STRUCT(self));
ed->v.nextthink = PR_GLOBAL_STRUCT(time) + HX_FRAME_TIME;
ed->v.think = pr_xfunction-pr_functions;
if (is_progdefs111)
pr_global_struct_v111->cycle_wrapped = false;
else
pr_global_struct->cycle_wrapped = false;
startFrame = (int)a->_float;
endFrame = (int)b->_float;
if(startFrame <= endFrame)
{ // Increment
if(ed->v.frame < startFrame || ed->v.frame > endFrame)
{
ed->v.frame = startFrame;
break;
}
ed->v.frame++;
if(ed->v.frame > endFrame)
{
if (is_progdefs111)
pr_global_struct_v111->cycle_wrapped = true;
else
pr_global_struct->cycle_wrapped = true;
ed->v.frame = startFrame;
}
break;
}
// Decrement
if(ed->v.frame > startFrame || ed->v.frame < endFrame)
{
ed->v.frame = startFrame;
break;
}
ed->v.frame--;
if(ed->v.frame < endFrame)
{
if (is_progdefs111)
pr_global_struct_v111->cycle_wrapped = true;
else
pr_global_struct->cycle_wrapped = true;
ed->v.frame = startFrame;
}
break;
case OP_CWSTATE: // Cycle weapon state
ed = PROG_TO_EDICT(PR_GLOBAL_STRUCT(self));
ed->v.nextthink = PR_GLOBAL_STRUCT(time) + HX_FRAME_TIME;
ed->v.think = pr_xfunction-pr_functions;
if (is_progdefs111)
pr_global_struct_v111->cycle_wrapped = false;
else
pr_global_struct->cycle_wrapped = false;
startFrame = (int)a->_float;
endFrame = (int)b->_float;
if(startFrame <= endFrame)
{ // Increment
if(ed->v.weaponframe < startFrame
|| ed->v.weaponframe > endFrame)
{
ed->v.weaponframe = startFrame;
break;
}
ed->v.weaponframe++;
if(ed->v.weaponframe > endFrame)
{
if (is_progdefs111)
pr_global_struct_v111->cycle_wrapped = true;
else
pr_global_struct->cycle_wrapped = true;
ed->v.weaponframe = startFrame;
}
break;
}
// Decrement
if(ed->v.weaponframe > startFrame
|| ed->v.weaponframe < endFrame)
{
ed->v.weaponframe = startFrame;
break;
}
ed->v.weaponframe--;
if(ed->v.weaponframe < endFrame)
{
if (is_progdefs111)
pr_global_struct_v111->cycle_wrapped = true;
else
pr_global_struct->cycle_wrapped = true;
ed->v.weaponframe = startFrame;
}
break;
case OP_THINKTIME:
ed = PROG_TO_EDICT(a->edict);
if(ed == (edict_t *)sv.edicts && sv.state == ss_active)
{
PR_RunError("assignment to world entity");
}
ed->v.nextthink = PR_GLOBAL_STRUCT(time) + b->_float;
break;
case OP_BITSET: // f (+) f
b->_float = (int)b->_float | (int)a->_float;
break;
case OP_BITSETP: // e.f (+) f
ptr = (eval_t *)((byte *)sv.edicts+b->_int);
ptr->_float = (int)ptr->_float | (int)a->_float;
break;
case OP_BITCLR: // f (-) f
b->_float = (int)b->_float & ~((int)a->_float);
break;
case OP_BITCLRP: // e.f (-) f
ptr = (eval_t *)((byte *)sv.edicts+b->_int);
ptr->_float = (int)ptr->_float & ~((int)a->_float);
break;
case OP_RAND0:
// val = (rand() & 0x7fff) / ((float)0x7fff);
val = rand() * (1.0 / RAND_MAX);
G_FLOAT(OFS_RETURN) = val;
break;
case OP_RAND1:
val = rand()*(1.0/RAND_MAX)*a->_float;
G_FLOAT(OFS_RETURN) = val;
break;
case OP_RAND2:
if(a->_float < b->_float)
{
val = a->_float+(rand()*(1.0/RAND_MAX)
*(b->_float-a->_float));
}
else
{
val = b->_float+(rand()*(1.0/RAND_MAX)
*(a->_float-b->_float));
}
G_FLOAT(OFS_RETURN) = val;
break;
case OP_RANDV0:
val = rand()*(1.0/RAND_MAX);
G_FLOAT(OFS_RETURN+0) = val;
val = rand()*(1.0/RAND_MAX);
G_FLOAT(OFS_RETURN+1) = val;
val = rand()*(1.0/RAND_MAX);
G_FLOAT(OFS_RETURN+2) = val;
break;
case OP_RANDV1:
val = rand()*(1.0/RAND_MAX)*a->vector[0];
G_FLOAT(OFS_RETURN+0) = val;
val = rand()*(1.0/RAND_MAX)*a->vector[1];
G_FLOAT(OFS_RETURN+1) = val;
val = rand()*(1.0/RAND_MAX)*a->vector[2];
G_FLOAT(OFS_RETURN+2) = val;
break;
case OP_RANDV2:
for(i = 0; i < 3; i++)
{
if(a->vector[i] < b->vector[i])
{
val = a->vector[i]+(rand()*(1.0/RAND_MAX)
*(b->vector[i]-a->vector[i]));
}
else
{
val = b->vector[i]+(rand()*(1.0/RAND_MAX)
*(a->vector[i]-b->vector[i]));
}
G_FLOAT(OFS_RETURN+i) = val;
}
break;
case OP_SWITCH_F:
case_type = SWITCH_F;
switch_float = a->_float;
s += st->b-1; // -1 to offset the s++
break;
case OP_SWITCH_V:
PR_RunError("switch v not done yet!");
break;
case OP_SWITCH_S:
PR_RunError("switch s not done yet!");
break;
case OP_SWITCH_E:
PR_RunError("switch e not done yet!");
break;
case OP_SWITCH_FNC:
PR_RunError("switch fnc not done yet!");
break;
case OP_CASERANGE:
if (case_type!=SWITCH_F)
PR_RunError("caserange fucked!");
if((switch_float >= a->_float) && (switch_float <= b->_float))
{
s += st->c-1; // -1 to offset the s++
}
break;
case OP_CASE:
switch (case_type)
{
case SWITCH_F:
if(switch_float == a->_float)
{
s += st->b-1; // -1 to offset the s++
}
break;
case SWITCH_V:
case SWITCH_S:
case SWITCH_E:
case SWITCH_FNC:
PR_RunError("case not done yet!");
break;
default:
PR_RunError("fucked case!");
}
break;
default:
PR_RunError("Bad opcode %i", st->op);
}
}
}
//==========================================================================
//
// EnterFunction
//
//==========================================================================
static int EnterFunction(dfunction_t *f)
{
int i, j, c, o;
pr_stack[pr_depth].s = pr_xstatement;
pr_stack[pr_depth].f = pr_xfunction;
pr_depth++;
if(pr_depth >= MAX_STACK_DEPTH)
{
PR_RunError("stack overflow");
}
// save off any locals that the new function steps on
c = f->locals;
if(localstack_used + c > LOCALSTACK_SIZE)
{
PR_RunError ("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
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++
}
//==========================================================================
//
// LeaveFunction
//
//==========================================================================
static int LeaveFunction(void)
{
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("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_xfunction = pr_stack[pr_depth].f;
return pr_stack[pr_depth].s;
}
//==========================================================================
//
// PR_RunError
//
//==========================================================================
void PR_RunError(char *error, ...)
{
va_list argptr;
char string[1024];
va_start(argptr,error);
vsprintf(string,error,argptr);
va_end(argptr);
PrintStatement(pr_statements + pr_xstatement);
PrintCallHistory();
Con_Printf("%s\n", string);
pr_depth = 0; // dump the stack so host_error can shutdown functions
Host_Error("Program error");
}
//==========================================================================
//
// PrintCallHistory
//
//==========================================================================
static void PrintCallHistory(void)
{
int i;
dfunction_t *f;
if(pr_depth == 0)
{
Con_Printf("<NO STACK>\n");
return;
}
pr_stack[pr_depth].f = pr_xfunction;
for(i = pr_depth; i >= 0; i--)
{
f = pr_stack[i].f;
if(!f)
{
Con_Printf("<NO FUNCTION>\n");
}
else
{
Con_Printf("%12s : %s\n", pr_strings+f->s_file,
pr_strings+f->s_name);
}
}
}
//==========================================================================
//
// PrintStatement
//
//==========================================================================
static void PrintStatement(dstatement_t *s)
{
int i;
if((unsigned)s->op < sizeof(pr_opnames)/sizeof(pr_opnames[0]))
{
Con_Printf("%s ", pr_opnames[s->op]);
i = strlen(pr_opnames[s->op]);
for(; i < 10; i++)
{
Con_Printf(" ");
}
}
if(s->op == OP_IF || s->op == OP_IFNOT)
{
Con_Printf("%sbranch %i", PR_GlobalString(s->a), s->b);
}
else if(s->op == OP_GOTO)
{
Con_Printf("branch %i", s->a);
}
else if((unsigned)(s->op-OP_STORE_F) < 6)
{
Con_Printf("%s", PR_GlobalString(s->a));
Con_Printf("%s", PR_GlobalStringNoContents(s->b));
}
else
{
if(s->a)
{
Con_Printf("%s", PR_GlobalString(s->a));
}
if(s->b)
{
Con_Printf("%s", PR_GlobalString(s->b));
}
if(s->c)
{
Con_Printf("%s", PR_GlobalStringNoContents(s->c));
}
}
Con_Printf("\n");
}
//==========================================================================
//
// PR_Profile_f
//
//==========================================================================
void PR_Profile_f(void)
{
int i, j;
int max;
dfunction_t *f, *bestFunc;
int total;
int funcCount;
qboolean byHC;
char saveName[128];
FILE *saveFile;
int currentFile;
int bestFile;
int tally;
char *s;
byHC = false;
funcCount = 10;
*saveName = 0;
for(i = 1; i < Cmd_Argc(); i++)
{
s = Cmd_Argv(i);
if(tolower(*s) == 'h')
{ // Sort by HC source file
byHC = true;
}
else if(tolower(*s) == 's')
{ // Save to file
if(i+1 < Cmd_Argc() && !isdigit(*Cmd_Argv(i+1)))
{
i++;
sprintf(saveName, "%s/%s", com_gamedir, Cmd_Argv(i));
}
else
{
sprintf(saveName, "%s/profile.txt", com_gamedir);
}
}
else if(isdigit(*s))
{ // Specify function count