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#include "tcl_extras.h"
#include <string.h>
#include <unistd.h>
extern "C" int tclpd_do_load_lib(t_canvas *canvas, char *objectname) {
#ifdef DEBUG
post("Tcl loader: registering tcl class loader mechanism");
#endif
char filename[MAXPDSTRING], dirbuf[MAXPDSTRING],
*classname, *nameptr;
int fd;
if ((classname = strrchr(objectname, '/')) != NULL)
classname++;
else
classname = objectname;
if(sys_onloadlist(objectname)) {
post("%s: already loaded", objectname);
return (1);
}
/* try looking in the path for (objectname).(tcl) ... */
if ((fd = canvas_open(canvas, objectname, ".tcl",
dirbuf, &nameptr, MAXPDSTRING, 1)) >= 0)
goto gotone;
/* next try (objectname)/(classname).(tcl) ... */
strncpy(filename, objectname, MAXPDSTRING);
filename[MAXPDSTRING-2] = 0;
strcat(filename, "/");
strncat(filename, classname, MAXPDSTRING-strlen(filename));
filename[MAXPDSTRING-1] = 0;
if ((fd = canvas_open(canvas, filename, ".tcl",
dirbuf, &nameptr, MAXPDSTRING, 1)) >= 0)
goto gotone;
return 0;
gotone:
close(fd);
class_set_extern_dir(gensym(dirbuf));
/* rebuild the absolute pathname */
strncpy(filename, dirbuf, MAXPDSTRING);
filename[MAXPDSTRING-2] = 0;
strcat(filename, "/");
strncat(filename, nameptr, MAXPDSTRING-strlen(filename));
filename[MAXPDSTRING-1] = 0;
// load tcl:
char b[MAXPDSTRING+10];
snprintf(&b[0], MAXPDSTRING+10, "source %s", filename);
int result = Tcl_Eval(tcl_for_pd, b);
if(result == TCL_OK) {
post("Tcl_loader: loaded %s", filename);
} else {
post("Tcl_loader: error trying to load %s", filename);
post("Error: %s", Tcl_GetStringResult(tcl_for_pd));
post("(see stderr for details)");
fprintf(stderr, "------------------- Tcl error: -------------------\n");
Tcl_Obj* dict = Tcl_GetReturnOptions(tcl_for_pd, result);
Tcl_Obj* errorInfo = NULL;
Tcl_Obj* errorInfoK = Tcl_NewStringObj("-errorinfo", -1);
Tcl_IncrRefCount(errorInfoK);
Tcl_DictObjGet(tcl_for_pd, dict, errorInfoK, &errorInfo);
Tcl_DecrRefCount(errorInfoK);
fprintf(stderr, "%s\n", Tcl_GetStringFromObj(errorInfo, 0));
fprintf(stderr, "--------------------------------------------------\n");
return 0;
}
class_set_extern_dir(&s_);
sys_putonloadlist(objectname);
return 1;
}
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