/* $OpenXM: OpenXM_contrib2/asir2000/plot/ox_plot.c,v 1.1 1999/12/03 07:39:13 noro Exp $ */
#include "ca.h"
#include "parse.h"
#include "ox.h"
#include "ifplot.h"
#include "version.h"
void ox_usr1_handler();
extern jmp_buf environnement;
extern int do_message;
extern int ox_flushing;
extern jmp_buf ox_env;
extern MATHCAP my_mathcap;
static int plot_OperandStackSize;
static Obj *plot_OperandStack;
static int plot_OperandStackPtr = -1;
static void create_error(ERR *,unsigned int ,char *);
static void process_ox();
static void ox_io_init();
static void ox_asir_init(int,char **);
static Obj asir_pop_one();
static void asir_push_one(Obj);
static void asir_end_flush();
static void asir_executeFunction();
static int asir_executeString();
static void asir_evalName(unsigned int);
static void asir_setName(unsigned int);
static void asir_pops();
static void asir_popString();
static void asir_popCMO(unsigned int);
static void asir_popSerializedLocalObject();
static char *name_of_cmd(unsigned int);
static char *name_of_id(int);
static void asir_do_cmd(unsigned int,unsigned int);
static void create_error(ERR *err,unsigned int serial,char *msg)
{
USINT ui;
NODE n,n1;
LIST list;
STRING errmsg;
MKUSINT(ui,serial);
MKSTR(errmsg,msg);
MKNODE(n1,errmsg,0); MKNODE(n,ui,n1); MKLIST(list,n);
MKERR(*err,list);
}
void ox_plot_main(int argc,char **argv) {
int ds;
fd_set r;
int n;
ox_asir_init(argc,argv);
init_plot_display(argc,argv);
ds = ConnectionNumber(display);
if ( do_message )
fprintf(stderr,"I'm an ox_plot, Version %d.\n",ASIR_VERSION);
if ( setjmp(ox_env) ) {
while ( NEXT(asir_infile) )
closecurrentinput();
reset_current_computation();
ox_send_sync(0);
}
while ( 1 ) {
if ( ox_data_is_available(0) )
process_ox();
else {
FD_ZERO(&r);
FD_SET(3,&r); FD_SET(ds,&r);
select(FD_SETSIZE,&r,NULL,NULL,NULL);
if ( FD_ISSET(3,&r) )
process_ox();
else if ( FD_ISSET(ds,&r) )
process_xevent();
}
}
}
static void process_ox()
{
int id;
unsigned int cmd;
Obj obj;
ERR err;
unsigned int serial;
int ret;
extern char LastError[];
serial = ox_recv(0,&id,&obj);
if ( do_message )
fprintf(stderr,"#%d Got %s",serial,name_of_id(id));
switch ( id ) {
case OX_COMMAND:
cmd = ((USINT)obj)->body;
if ( ox_flushing )
break;
if ( do_message )
fprintf(stderr," %s\n",name_of_cmd(cmd));
if ( ret = setjmp(env) ) {
if ( ret == 1 ) {
create_error(&err,serial,LastError);
asir_push_one((Obj)err);
}
break;
}
asir_do_cmd(cmd,serial);
break;
case OX_DATA:
case OX_LOCAL_OBJECT_ASIR:
if ( ox_flushing )
break;
if ( do_message )
fprintf(stderr," -> data pushed");
asir_push_one(obj);
break;
case OX_SYNC_BALL:
asir_end_flush();
break;
default:
break;
}
if ( do_message )
fprintf(stderr,"\n");
}
static void asir_do_cmd(unsigned int cmd,unsigned int serial)
{
MATHCAP client_mathcap;
switch ( cmd ) {
case SM_popSerializedLocalObject:
asir_popSerializedLocalObject();
break;
case SM_popCMO:
asir_popCMO(serial);
break;
case SM_popString:
asir_popString();
break;
case SM_setName:
asir_setName(serial);
break;
case SM_evalName:
asir_evalName(serial);
break;
case SM_executeStringByLocalParser:
asir_executeString();
break;
case SM_executeFunction:
asir_executeFunction();
break;
case SM_shutdown:
asir_terminate(2);
break;
case SM_pops:
asir_pops();
break;
case SM_mathcap:
asir_push_one((Obj)my_mathcap);
break;
case SM_setMathcap:
client_mathcap = (MATHCAP)asir_pop_one();
store_remote_mathcap(0,client_mathcap);
break;
default:
break;
}
}
static char *name_of_id(int id)
{
switch ( id ) {
case OX_COMMAND:
return "OX_COMMAND";
break;
case OX_DATA:
return "OX_DATA";
break;
case OX_LOCAL_OBJECT_ASIR:
return "OX_LOCAL_OBJECT_ASIR";
break;
case OX_SYNC_BALL:
return "OX_SYNC_BALL";
break;
default:
return "Unknown id";
break;
}
}
static char *name_of_cmd(unsigned cmd)
{
switch ( cmd ) {
case SM_popSerializedLocalObject:
return "SM_popSerializedLocalObject";
break;
case SM_popCMO:
return "SM_popCMO";
break;
case SM_popString:
return "SM_popString";
break;
case SM_pops:
return "SM_pops";
break;
case SM_setName:
return "SM_setName";
break;
case SM_evalName:
return "SM_evalName";
break;
case SM_executeStringByLocalParser:
return "SM_executeString";
break;
case SM_executeFunction:
return "SM_executeFunction";
break;
case SM_shutdown:
return "SM_shutdown";
break;
case SM_beginBlock:
return "SM_beginBlock";
break;
case SM_endBlock:
return "SM_endBlock";
break;
case SM_mathcap:
return "SM_mathcap";
break;
case SM_setMathcap:
return "SM_setMathcap";
break;
default:
return "Unknown cmd";
break;
}
}
static void asir_popSerializedLocalObject()
{
Obj obj;
VL t,vl;
obj = asir_pop_one();
get_vars(obj,&vl);
for ( t = vl; t; t = NEXT(t) )
if ( t->v->attr == (pointer)V_UC || t->v->attr == (pointer)V_PF )
error("bsave : not implemented");
ox_send_cmd(0,SM_beginBlock);
ox_send_local_ring(0,vl);
ox_send_local_data(0,obj);
ox_send_cmd(0,SM_endBlock);
}
static void asir_popCMO(unsigned int serial)
{
Obj obj;
ERR err;
obj = asir_pop_one();
if ( valid_as_cmo(obj) )
ox_send_data(0,obj);
else {
create_error(&err,serial,"cannot convert to CMO object");
ox_send_data(0,err);
asir_push_one(obj);
}
}
static void asir_popString()
{
Obj val;
char *buf,*obuf;
int l;
STRING str;
val = asir_pop_one();
if ( !val )
obuf = 0;
else {
l = estimate_length(CO,val);
buf = (char *)ALLOCA(l+1);
soutput_init(buf);
sprintexpr(CO,val);
l = strlen(buf);
obuf = (char *)MALLOC(l+1);
strcpy(obuf,buf);
}
MKSTR(str,obuf);
ox_send_data(0,str);
}
static void asir_pops()
{
int n;
n = (int)(((USINT)asir_pop_one())->body);
plot_OperandStackPtr = MAX(plot_OperandStackPtr-n,-1);
}
static void asir_setName(unsigned int serial)
{
char *name;
int l,n;
char *dummy = "=0;";
SNODE snode;
ERR err;
name = ((STRING)asir_pop_one())->body;
l = strlen(name);
n = l+strlen(dummy)+1;
parse_strp = (char *)ALLOCA(n);
sprintf(parse_strp,"%s%s",name,dummy);
if ( mainparse(&snode) ) {
create_error(&err,serial,"cannot set to variable");
asir_push_one((Obj)err);
} else {
FA1((FNODE)FA0(snode)) = (pointer)mkfnode(1,I_FORMULA,asir_pop_one());
evalstat(snode);
}
}
static void asir_evalName(unsigned int serial)
{
char *name;
int l,n;
SNODE snode;
ERR err;
pointer val;
name = ((STRING)asir_pop_one())->body;
l = strlen(name);
n = l+2;
parse_strp = (char *)ALLOCA(n);
sprintf(parse_strp,"%s;",name);
if ( mainparse(&snode) ) {
create_error(&err,serial,"no such variable");
val = (pointer)err;
} else
val = evalstat(snode);
asir_push_one(val);
}
static int asir_executeString()
{
SNODE snode;
pointer val;
char *cmd;
#if PARI
recover(0);
if ( setjmp(environnement) ) {
avma = top; recover(1);
resetenv("");
}
#endif
cmd = ((STRING)asir_pop_one())->body;
parse_strp = cmd;
if ( mainparse(&snode) ) {
return -1;
}
val = evalstat(snode);
if ( NEXT(asir_infile) ) {
while ( NEXT(asir_infile) ) {
if ( mainparse(&snode) ) {
asir_push_one(val);
return -1;
}
nextbp = 0;
val = evalstat(snode);
}
}
asir_push_one(val);
return 0;
}
static void asir_executeFunction()
{
char *func;
int argc;
int id;
FUNC f;
Q ret;
VL vl;
NODE n,n1;
func = ((STRING)asir_pop_one())->body;
argc = (int)(((USINT)asir_pop_one())->body);
for ( n = 0; argc; argc-- ) {
NEXTNODE(n,n1);
BDY(n1) = (pointer)asir_pop_one();
}
if ( n )
NEXT(n1) = 0;
id = -1;
if ( !strcmp(func,"plot") )
id = plot(n);
else if ( !strcmp(func,"arrayplot") )
id = arrayplot(n);
else if ( !strcmp(func,"plotover") )
id = plotover(n);
else if ( !strcmp(func,"drawcircle") )
id = drawcircle(n);
STOQ(id,ret);
#if 0
asir_push_one((Obj)ret);
#endif
}
static void asir_end_flush()
{
ox_flushing = 0;
}
static void asir_push_one(Obj obj)
{
if ( !obj || OID(obj) != O_VOID ) {
plot_OperandStackPtr++;
if ( plot_OperandStackPtr >= plot_OperandStackSize ) {
plot_OperandStackSize += BUFSIZ;
plot_OperandStack
= (Obj *)REALLOC(plot_OperandStack,
plot_OperandStackSize*sizeof(Obj));
}
plot_OperandStack[plot_OperandStackPtr] = obj;
}
}
static Obj asir_pop_one() {
if ( plot_OperandStackPtr < 0 ) {
if ( do_message )
fprintf(stderr,"OperandStack underflow");
return 0;
} else {
if ( do_message )
fprintf(stderr,"pop at %d\n",plot_OperandStackPtr);
return plot_OperandStack[plot_OperandStackPtr--];
}
}
static void ox_asir_init(int argc,char **argv)
{
int tmp;
char ifname[BUFSIZ];
extern int GC_dont_gc;
extern int read_exec_file;
extern int do_asirrc;
extern int do_server_in_X11;
char *getenv();
static ox_asir_initialized = 0;
FILE *ifp;
do_server_in_X11 = 1; /* XXX */
asir_save_handler();
#if PARI
risa_pari_init();
#endif
srandom((int)get_current_time());
#if defined(THINK_C)
param_init();
#endif
StackBottom = &tmp + 1; /* XXX */
rtime_init();
env_init();
endian_init();
#if !defined(VISUAL) && !defined(THINK_C)
/* check_key(); */
#endif
GC_init();
process_args(--argc,++argv);
#if 0
copyright();
#endif
output_init();
arf_init();
nglob_init();
glob_init();
sig_init();
tty_init();
debug_init();
pf_init();
sysf_init();
parif_init();
#if defined(VISUAL)
init_socket();
#endif
#if defined(UINIT)
reg_sysf();
#endif
#if defined(THINK_C)
sprintf(ifname,"asirrc");
#else
sprintf(ifname,"%s/.asirrc",getenv("HOME"));
#endif
if ( do_asirrc && (ifp = fopen(ifname,"r")) ) {
input_init(ifp,ifname);
if ( !setjmp(env) ) {
read_exec_file = 1;
read_eval_loop();
read_exec_file = 0;
}
fclose(ifp);
}
input_init(0,"string");
ox_io_init();
create_my_mathcap("ox_plot");
}
static void ox_io_init() {
unsigned char c,rc;
extern int little_endian;
endian_init();
iofp[0].in = fdopen(3,"r");
iofp[0].out = fdopen(4,"w");
setbuffer(iofp[0].in,(char *)malloc(LBUFSIZ),LBUFSIZ);
setbuffer(iofp[0].out,(char *)malloc(LBUFSIZ),LBUFSIZ);
plot_OperandStackSize = BUFSIZ;
plot_OperandStack = (Obj *)CALLOC(plot_OperandStackSize,sizeof(Obj));
plot_OperandStackPtr = -1;
signal(SIGUSR1,ox_usr1_handler);
if ( little_endian )
c = 1;
else
c = 0xff;
write_char(iofp[0].out,&c); ox_flush_stream(0);
read_char(iofp[0].in,&rc);
iofp[0].conv = c == rc ? 0 : 1;
}