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/*
* $Id: tclOOStubLib.c,v 1.5 2010/01/25 20:26:18 nijtmans Exp $
* ORIGINAL SOURCE: tk/generic/tkStubLib.c, version 1.9 2004/03/17
*/
/*
* We need to ensure that we use the tcl stub macros so that this file
* contains no references to any of the tcl stub functions.
*/
#undef USE_TCL_STUBS
#define USE_TCL_STUBS
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#define USE_TCLOO_STUBS 1
#include "tclOOInt.h"
MODULE_SCOPE const TclOOStubs *tclOOStubsPtr;
MODULE_SCOPE const TclOOIntStubs *tclOOIntStubsPtr;
const TclOOStubs *tclOOStubsPtr = NULL;
const TclOOIntStubs *tclOOIntStubsPtr = NULL;
/*
*----------------------------------------------------------------------
*
* TclOOInitializeStubs --
* Load the tclOO package, initialize stub table pointer. Do not call
* this function directly, use Tcl_OOInitStubs() macro instead.
*
* Results:
* The actual version of the package that satisfies the request, or NULL
* to indicate that an error occurred.
*
* Side effects:
* Sets the stub table pointer.
*
*----------------------------------------------------------------------
*/
MODULE_SCOPE const char *
TclOOInitializeStubs(
Tcl_Interp *interp, const char *version)
{
int exact = 0;
const char *packageName = "TclOO";
const char *errMsg = NULL;
ClientData clientData = NULL;
const char *actualVersion =
Tcl_PkgRequireEx(interp, packageName,version, exact, &clientData);
if (clientData == NULL) {
Tcl_ResetResult(interp);
Tcl_AppendResult(interp, "Error loading ", packageName, " package; ",
"package not present or incomplete", NULL);
return NULL;
} else {
const TclOOStubs * const stubsPtr = clientData;
const TclOOIntStubs * const intStubsPtr = stubsPtr->hooks ?
stubsPtr->hooks->tclOOIntStubs : NULL;
if (!actualVersion) {
return NULL;
}
if (!stubsPtr || !intStubsPtr) {
errMsg = "missing stub table pointer";
goto error;
}
tclOOStubsPtr = stubsPtr;
tclOOIntStubsPtr = intStubsPtr;
return actualVersion;
error:
Tcl_ResetResult(interp);
Tcl_AppendResult(interp, "Error loading ", packageName, " package",
" (requested version '", version, "', loaded version '",
actualVersion, "'): ", errMsg, NULL);
return NULL;
}
}
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