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
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
|
/*
* pkgooa.c --
*
* This file contains a simple Tcl package "pkgooa" that is intended for
* testing the Tcl dynamic loading facilities.
*
* Copyright (c) 1995 Sun Microsystems, Inc.
*
* See the file "license.terms" for information on usage and redistribution of
* this file, and for a DISCLAIMER OF ALL WARRANTIES.
*/
#undef STATIC_BUILD
#include "tclOO.h"
#include <string.h>
/*
* TCL_STORAGE_CLASS is set unconditionally to DLLEXPORT because the
* Pkgooa_Init declaration is in the source file itself, which is only
* accessed when we are building a library.
*/
#undef TCL_STORAGE_CLASS
#define TCL_STORAGE_CLASS DLLEXPORT
/*
* Prototypes for procedures defined later in this file:
*/
static int Pkgooa_StubsOKObjCmd(ClientData clientData,
Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]);
/*
*----------------------------------------------------------------------
*
* Pkgooa_StubsOKObjCmd --
*
* This procedure is invoked to process the "pkgooa_stubsok" Tcl command.
* It gives 1 if stubs are used correctly, 0 if stubs are not OK.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
Pkgooa_StubsOKObjCmd(
ClientData dummy, /* Not used. */
Tcl_Interp *interp, /* Current interpreter. */
int objc, /* Number of arguments. */
Tcl_Obj *const objv[]) /* Argument objects. */
{
if (objc != 1) {
Tcl_WrongNumArgs(interp, 1, objv, "");
return TCL_ERROR;
}
Tcl_SetObjResult(interp, Tcl_NewIntObj(
Tcl_CopyObjectInstance == tclOOStubsPtr->tcl_CopyObjectInstance));
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* Pkgooa_Init --
*
* This is a package initialization procedure, which is called by Tcl
* when this package is to be added to an interpreter.
*
* Results:
* None.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
static Tcl_Object copyObjectInstance(Tcl_Interp *interp,
Tcl_Object source, const char *name, const char *nameSpace)
{
Tcl_Object result;
result = Tcl_CopyObjectInstance(interp, source, name, nameSpace);
if (result == NULL) {
Tcl_AppendResult(interp, "ERROR: copy failed.");
}
return result;
}
static TclOOStubs stubsCopy = {
TCL_STUB_MAGIC,
NULL,
copyObjectInstance
/* more entries here, but those are not
* needed for this test-case. */
};
EXTERN int
Pkgooa_Init(
Tcl_Interp *interp) /* Interpreter in which the package is to be
* made available. */
{
int code;
/* Any TclOO extension which uses stubs, calls
* both Tcl_InitStubs and Tcl_OOInitStubs() and
* does not use any Tcl 8.6 features should be
* loadable in Tcl 8.5 as well, provided the
* TclOO extension (for Tcl 8.5) is installed.
* This worked in Tcl 8.6.0, and is expected
* to keep working in all future Tcl 8.x releases.
*/
if (Tcl_InitStubs(interp, "8.5", 0) == NULL) {
return TCL_ERROR;
}
if (tclStubsPtr == NULL) {
Tcl_AppendResult(interp, "Tcl stubs are not inialized, "
"did you compile using -DUSE_TCL_STUBS? ");
return TCL_ERROR;
}
if (Tcl_OOInitStubs(interp) == NULL) {
return TCL_ERROR;
}
if (tclOOStubsPtr == NULL) {
Tcl_AppendResult(interp, "TclOO stubs are not inialized");
return TCL_ERROR;
}
/* Test case for Bug [f51efe99a7].
*
* Let tclOOStubsPtr point to an alternate stub table
* (with only a single function, that's enough for
* this test). This way, the function "pkgooa_stubsok"
* can check whether the TclOO function calls really
* use the stub table, or only pretend to.
*
* On platforms without backlinking (Windows, Cygwin,
* AIX), this code doesn't even compile without using
* stubs, but on UNIX ELF systems, the problem is
* less visible.
*/
tclOOStubsPtr = &stubsCopy;
code = Tcl_PkgProvide(interp, "Pkgooa", "1.0");
if (code != TCL_OK) {
return code;
}
Tcl_CreateObjCommand(interp, "pkgooa_stubsok", Pkgooa_StubsOKObjCmd, NULL, NULL);
return TCL_OK;
}
|
