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tclutil.c
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tclutil.c
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/*
Tcl/C utillity routines
Copyright (C) 1999 Mads Bak
This file is part of the SIMPSON General NMR Simulation Package
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 the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Makes available som Tcl function to
- evaluate statically linkes Tcl code
- get parameters from the 'par' array.
- signal handling so Ctrl-C is handled properly
*/
#include <ctype.h>
#include <string.h>
#include <stdlib.h>
#include <sys/types.h>
#include <signal.h>
#include <stdarg.h>
#include "defs.h"
#include "cm.h"
#include "tclutil.h"
/* functions that define new Tcl commands from C level */
void tclcmd_rfshape(Tcl_Interp* interp);
void tclcmd_simpson(Tcl_Interp* interp);
void tclcmd_ftools(Tcl_Interp* interp);
void tclcmd_spinsys(Tcl_Interp* interp);
void tclcmd_pulse(Tcl_Interp* interp);
void tclcmd_OCroutines(Tcl_Interp* interp);
void tclcmd_spinach(Tcl_Interp* interp);
void tclcmd_distortions(Tcl_Interp* interp);
void TclSimpsonInterpInit(Tcl_Interp* interp)
{
int i = 0;
while ( strlen(tclcode_pointers[i].name)) {
/* execute all except 'slave' */
if ( strncmp(tclcode_pointers[i].name,"slave",5) ) {
DEBUGPRINT("Initialize: evaluating code from '%s'\n",tclcode_pointers[i].name);
if (Tcl_Eval(interp,tclcode_pointers[i].code) != TCL_OK) {
fprintf(stderr,"Error when evaluating initialization script from '%s':\n%s\n",tclcode_pointers[i].name,Tcl_GetStringResult(interp));
exit(1);
}
}
i++;
}
DEBUGPRINT("Initialize: internal code all done, now adding C commands.\n");
tclcmd_rfshape(interp);
tclcmd_simpson(interp);
tclcmd_ftools(interp);
tclcmd_spinsys(interp);
tclcmd_pulse(interp);
tclcmd_OCroutines(interp);
tclcmd_spinach(interp);
tclcmd_distortions(interp);
DEBUGPRINT("Initialize: all done.\n");
}
void TclSlaveInterpInit(Tcl_Interp* interp)
{
int i = 0;
while ( strlen(tclcode_pointers[i].name)) {
/* execute only 'slave' */
if ( !strncmp(tclcode_pointers[i].name,"slave",5) ) {
DEBUGPRINT("Initialize slave: evaluating code from '%s'\n",tclcode_pointers[i].name);
if (Tcl_Eval(interp,tclcode_pointers[i].code) != TCL_OK) {
fprintf(stderr,"Error when evaluating initialization script from '%s':\n%s\n",tclcode_pointers[i].name,Tcl_GetStringResult(interp));
exit(1);
}
break;
}
i++;
}
DEBUGPRINT("Initialize slave: internal code all done, now adding C commands.\n");
tclcmd_rfshape(interp);
tclcmd_simpson(interp);
tclcmd_ftools(interp);
tclcmd_spinsys(interp);
tclcmd_pulse(interp);
tclcmd_OCroutines(interp);
tclcmd_spinach(interp);
tclcmd_distortions(interp);
DEBUGPRINT("Initialize slave: all done.\n");
}
int TclAppendResult(Tcl_Interp* interp,const char* format, ...)
{
char buffer [512];
va_list argptr;
va_start(argptr, format);
vsprintf(buffer, format, argptr);
va_end(argptr);
Tcl_AppendElement(interp,buffer);
return TCL_OK;
}
int TclSetResult(Tcl_Interp* interp,const char* format, ...)
{
char buffer [512];
va_list argptr;
va_start(argptr, format);
vsprintf(buffer, format, argptr);
va_end(argptr);
Tcl_SetResult(interp,buffer,TCL_VOLATILE);
return TCL_OK;
}
int TclError(Tcl_Interp* interp,const char* format, ...)
{
char buffer [512];
va_list argptr;
va_start(argptr, format);
vsprintf(buffer, format, argptr);
va_end(argptr);
Tcl_SetResult(interp,buffer,TCL_VOLATILE);
return TCL_ERROR;
}
int TclGetInt(Tcl_Interp* interp,char *aryname,char* varname,
int mustexist,int defval)
{
int val;
Tcl_Obj* src;
src = Tcl_GetVar2Ex(interp,aryname,varname,0);
if ( src == NULL) {
if (mustexist) {
fprintf(stderr,"error: could not read integer variable %s(%s)\n",aryname,varname);
exit(1);
}
if (verbose & VERBOSE_PAR)
printf("integer variable %s in array %s is set to default value %d\n",varname,aryname,defval);
return defval;
}
if (Tcl_GetIntFromObj(interp,src,&val) != TCL_OK) return TclError(interp,"GetInt(2)");
if (verbose & VERBOSE_PAR)
printf("integer variable %s in array %s is set to %d\n",varname,aryname,val);
return val;
}
double TclGetDouble(Tcl_Interp* interp,char *aryname,char* varname,
int mustexist,double defval)
{
double val;
Tcl_Obj* src;
src = Tcl_GetVar2Ex(interp,aryname,varname,0);
if (src == NULL) {
if (mustexist) {
fprintf(stderr,"error: could not read double variable %s(%s)\n",aryname,varname);
exit(-1);
}
if (verbose & VERBOSE_PAR)
printf("double variable %s in array %s is set to default value %g\n",varname,aryname,defval);
return defval;
}
if (Tcl_GetDoubleFromObj(interp,src,&val) != TCL_OK) return TclError(interp,"GetDouble(2)");
if (verbose & VERBOSE_PAR)
printf("double variable %s in array %s is set to %g\n",varname,aryname,val);
return val;
}
char* TclGetString(Tcl_Interp* interp,char *dst,char* aryname,char* varname,
int mustexist,char* defval)
{
Tcl_Obj* src;
src = Tcl_GetVar2Ex(interp,aryname,varname,0);
if (src == NULL) {
if (mustexist) {
fprintf(stderr,"error: could not read string variable %s(%s)\n",aryname,varname);
exit(-1);
}
if (verbose & VERBOSE_PAR)
printf("string variable %s in array %s is set to default value %s\n",varname,aryname,defval);
strcpy(dst,defval);
return dst;
}
strcpy(dst,Tcl_GetString(src));
if (verbose & VERBOSE_PAR) {
printf("string variable %s in array %s is set to %s\n",varname,aryname,dst);
}
return dst;
}
char* sigtxt[] = {
"-", /* 0 */
"-", /* 1 */
"Interrupt from keyboard", /* 2 */
"Quit from keyboard", /* 3 */
"-", /* 4 */
"-", /* 5 */
"Abort", /* 6 */
"-", /* 7 */
"-", /* 8 */
"Kill signal", /* 9 */
"-", /* 10 */
"-", /* 11 */
"-", /* 12 */
"-", /* 13 */
"-", /* 14 */
"Termination signal", /* 15 */
};
int lastsig;
int TclSignalHandler(ClientData clientData,Tcl_Interp *interp,int code)
{
char buf[256];
if (interp == NULL) {
fprintf(stderr,"signalhandler was called with code %d "
"when no Tcl interpreter was available\n",code);
return TCL_OK;
}
sprintf(buf,"signalhandler %d \"%s\"",lastsig,sigtxt[lastsig]);
return Tcl_Eval(interp,buf);
}
Tcl_AsyncHandler asynchandler;
void signal_handler(int sig)
{
lastsig=sig;
Tcl_AsyncMark(asynchandler);
}
void TclSetSignalHandler(Tcl_Interp* interp,char* function)
{
asynchandler=Tcl_AsyncCreate(TclSignalHandler,(ClientData)NULL);
#ifdef SIGINT
signal(SIGINT,signal_handler);
#else
signal(SIGBREAK,signal_handler);
#endif
}
#define BUFLEN 16384
int TclAppendMatrix(Tcl_Interp* interp,mat_complx * m)
{
int i,j,r,c;
char num[64];
char buf[BUFLEN];
int nbuf;
complx z;
r = m->row;
c = m->col;
for (i=0;i<r;i++) {
nbuf=0;
buf[0]=0;
for (j=0;j<c;j++) {
z = cm_getelem(m,i+1,j+1);
sprintf(num,"{%g %g}",z.re,z.im);
nbuf += strlen(num);
if (nbuf >= BUFLEN) {
Tcl_SetResult(interp,"getmatrix: internal buffer overflow\n",TCL_STATIC);
return TCL_ERROR;
}
if (j != 0) strcat(buf," ");
strcat(buf,num);
}
Tcl_AppendElement(interp,buf);
}
// DEBUGPRINT("TclAppendMatrix created interp result:\n%s\n",Tcl_GetStringResult(interp));
return TCL_OK;
}