/* t -> nativeint */
CAMLprim value llvm_genericvalue_as_nativeint(value GenVal) {
CAMLparam1(GenVal);
assert(LLVMGenericValueIntWidth(Genericvalue_val(GenVal)) <= 8 * sizeof(value)
&& "Generic value too wide to treat as a nativeint!");
CAMLreturn(copy_nativeint(LLVMGenericValueToInt(Genericvalue_val(GenVal),1)));
}
CAMLprim value ml_long_at_pointer (value ptr)
{
return copy_nativeint(*(long*)Pointer_val(ptr));
}
/* Initialisation, based on tkMain.c */
CAMLprim value camltk_opentk(value argv)
{
CAMLparam1(argv);
CAMLlocal1(tmp);
char *argv0;
/* argv must contain argv[0], the application command name */
tmp = Val_unit;
if ( argv == Val_int(0) ) {
failwith("camltk_opentk: argv is empty");
}
argv0 = String_val( Field( argv, 0 ) );
if (!cltk_slave_mode) {
/* Create an interpreter, dies if error */
#if TCL_MAJOR_VERSION >= 8
Tcl_FindExecutable(String_val(argv0));
#endif
cltclinterp = Tcl_CreateInterp();
{
/* Register cltclinterp for use in other related extensions */
value *interp = caml_named_value("cltclinterp");
if (interp != NULL)
Store_field(*interp,0,copy_nativeint((intnat)cltclinterp));
}
if (Tcl_Init(cltclinterp) != TCL_OK)
tk_error(Tcl_GetStringResult(cltclinterp));
Tcl_SetVar(cltclinterp, "argv0", String_val (argv0), TCL_GLOBAL_ONLY);
{ /* Sets argv */
int argc = 0;
tmp = Field(argv, 1); /* starts from argv[1] */
while ( tmp != Val_int(0) ) {
argc++;
tmp = Field(tmp, 1);
}
if( argc != 0 ) {
int i;
char *args;
char **tkargv;
char argcstr[256]; /* string of argc */
tkargv = (char**)stat_alloc(sizeof( char* ) * argc );
tmp = Field(argv, 1); /* starts from argv[1] */
i = 0;
while ( tmp != Val_int(0) ) {
tkargv[i] = String_val(Field(tmp, 0));
tmp = Field(tmp, 1);
i++;
}
sprintf( argcstr, "%d", argc );
Tcl_SetVar(cltclinterp, "argc", argcstr, TCL_GLOBAL_ONLY);
args = Tcl_Merge(argc, (const char *const*)tkargv); /* args must be freed by Tcl_Free */
Tcl_SetVar(cltclinterp, "argv", args, TCL_GLOBAL_ONLY);
Tcl_Free(args);
stat_free( tkargv );
}
}
if (Tk_Init(cltclinterp) != TCL_OK)
tk_error(Tcl_GetStringResult(cltclinterp));
/* Retrieve the main window */
cltk_mainWindow = Tk_MainWindow(cltclinterp);
if (NULL == cltk_mainWindow)
tk_error(Tcl_GetStringResult(cltclinterp));
Tk_GeometryRequest(cltk_mainWindow,200,200);
}
/* Create the camlcallback command */
Tcl_CreateCommand(cltclinterp,
CAMLCB, CamlCBCmd,
(ClientData)NULL,(Tcl_CmdDeleteProc *)NULL);
/* This is required by "unknown" and thus autoload */
Tcl_SetVar(cltclinterp, "tcl_interactive", "0", TCL_GLOBAL_ONLY);
/* Our hack for implementing break in callbacks */
Tcl_SetVar(cltclinterp, "BreakBindingsSequence", "0", TCL_GLOBAL_ONLY);
/* Load the traditional rc file */
{
char *home = getenv("HOME");
if (home != NULL) {
char *f = stat_alloc(strlen(home)+strlen(RCNAME)+2);
f[0]='\0';
strcat(f, home);
strcat(f, "/");
strcat(f, RCNAME);
if (0 == access(f,R_OK))
if (TCL_OK != Tcl_EvalFile(cltclinterp,f)) {
stat_free(f);
tk_error(Tcl_GetStringResult(cltclinterp));
};
stat_free(f);
}
}
CAMLreturn(Val_unit);
}
CAMLprim value ml_gpointer_get_addr (value region)
{
return copy_nativeint ((long)ml_gpointer_base (region));
}
