1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
/*
* $Id: tclOOStubLib.c,v 1.1 2008/05/31 11:42:19 dkf Exp $
* ORIGINAL SOURCE: tk/generic/tkStubLib.c, version 1.9 2004/03/17
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "tcl.h"
#define USE_TCLOO_STUBS 1
#include "tclOO.h"
#include "tclOOInt.h"
const TclOOStubs *tclOOStubsPtr;
const TclOOIntStubs *tclOOIntStubsPtr;
/*
*----------------------------------------------------------------------
*
* 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.
*
*/
const char *TclOOInitializeStubs(
Tcl_Interp *interp, const char *version, int epoch, int revision)
{
int exact = 0;
const char *packageName = "TclOO";
const char *errMsg = NULL;
ClientData clientData = NULL;
const char *actualVersion =
Tcl_PkgRequireEx(interp, packageName,version, exact, &clientData);
struct TclOOStubAPI *stubsAPIPtr = clientData;
if (stubsAPIPtr == NULL) {
Tcl_ResetResult(interp);
Tcl_AppendResult(interp, "Error loading ", packageName, " package; ",
"package not present or incomplete", NULL);
return NULL;
} else {
TclOOStubs *stubsPtr = stubsAPIPtr->stubsPtr;
TclOOIntStubs *intStubsPtr = stubsAPIPtr->intStubsPtr;
if (!actualVersion) {
return NULL;
}
if (!stubsPtr || !intStubsPtr) {
errMsg = "missing stub table pointer";
goto error;
}
if (stubsPtr->epoch != epoch || intStubsPtr->epoch != epoch) {
errMsg = "epoch number mismatch";
goto error;
}
if (stubsPtr->revision<revision || intStubsPtr->revision<revision) {
errMsg = "require later revision";
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;
}
}
|
