1 /*
2  * tclAppInit.c --
3  *
4  *	Provides a default version of the main program and Tcl_AppInit
5  *	procedure for Tcl applications (without Tk).
6  *
7  * Copyright (c) 1993 The Regents of the University of California.
8  * Copyright (c) 1994-1997 Sun Microsystems, Inc.
9  * Copyright (c) 1998-1999 by Scriptics Corporation.
10  *
11  * Changes:
12  * Added tclgeomap headers and initializing functions.
13  * Gordon D. Carrie, 2003.
14  *
15  * See the file "license.terms" for information on usage and redistribution
16  * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
17  *
18  * RCS: @(#) $Id: tclAppInit.c,v 1.1 2004/02/18 20:26:20 tkgeomap Exp $
19  */
20 
21 #include "tcl.h"
22 #include "tclgeomap.h"
23 
24 /*
25  * The following variable is a special hack that is needed in order for
26  * Sun shared libraries to be used for Tcl.
27  */
28 
29 extern int matherr();
30 int *tclDummyMathPtr = (int *) matherr;
31 
32 
33 #ifdef TCL_TEST
34 
35 #include "tclInt.h"
36 
37 extern int		Procbodytest_Init _ANSI_ARGS_((Tcl_Interp *interp));
38 extern int		Procbodytest_SafeInit _ANSI_ARGS_((Tcl_Interp *interp));
39 extern int		TclObjTest_Init _ANSI_ARGS_((Tcl_Interp *interp));
40 extern int		Tcltest_Init _ANSI_ARGS_((Tcl_Interp *interp));
41 #ifdef TCL_THREADS
42 extern int		TclThread_Init _ANSI_ARGS_((Tcl_Interp *interp));
43 #endif
44 
45 #endif /* TCL_TEST */
46 
47 #ifdef TCL_XT_TEST
48 extern void		XtToolkitInitialize _ANSI_ARGS_((void));
49 extern int		Tclxttest_Init _ANSI_ARGS_((Tcl_Interp *interp));
50 #endif
51 
52 /*
53  *----------------------------------------------------------------------
54  *
55  * main --
56  *
57  *	This is the main program for the application.
58  *
59  * Results:
60  *	None: Tcl_Main never returns here, so this procedure never
61  *	returns either.
62  *
63  * Side effects:
64  *	Whatever the application does.
65  *
66  *----------------------------------------------------------------------
67  */
68 
69 int
main(argc,argv)70 main(argc, argv)
71     int argc;			/* Number of command-line arguments. */
72     char **argv;		/* Values of command-line arguments. */
73 {
74     /*
75      * The following #if block allows you to change the AppInit
76      * function by using a #define of TCL_LOCAL_APPINIT instead
77      * of rewriting this entire file.  The #if checks for that
78      * #define and uses Tcl_AppInit if it doesn't exist.
79      */
80 
81 #ifndef TCL_LOCAL_APPINIT
82 #define TCL_LOCAL_APPINIT Tcl_AppInit
83 #endif
84     extern int TCL_LOCAL_APPINIT _ANSI_ARGS_((Tcl_Interp *interp));
85 
86     /*
87      * The following #if block allows you to change how Tcl finds the startup
88      * script, prime the library or encoding paths, fiddle with the argv,
89      * etc., without needing to rewrite Tcl_Main()
90      */
91 
92 #ifdef TCL_LOCAL_MAIN_HOOK
93     extern int TCL_LOCAL_MAIN_HOOK _ANSI_ARGS_((int *argc, char ***argv));
94 #endif
95 
96 #ifdef TCL_TEST
97     /*
98      * Pass the build time location of the tcl library (to find init.tcl)
99      *
100      * This causes a 2400b "potential" mem leak, according to purify
101      * (the obj allocation that never seems to gets deallocated)
102      */
103     Tcl_Obj *path;
104     path = Tcl_NewStringObj(TCL_BUILDTIME_LIBRARY, -1);
105     TclSetLibraryPath(Tcl_NewListObj(1,&path));
106 
107 #endif
108 
109 #ifdef TCL_XT_TEST
110     XtToolkitInitialize();
111 #endif
112 
113 #ifdef TCL_LOCAL_MAIN_HOOK
114     TCL_LOCAL_MAIN_HOOK(&argc, &argv);
115 #endif
116 
117     Tcl_Main(argc, argv, TCL_LOCAL_APPINIT);
118 
119     return 0;			/* Needed only to prevent compiler warning. */
120 }
121 
122 /*
123  *----------------------------------------------------------------------
124  *
125  * Tcl_AppInit --
126  *
127  *	This procedure performs application-specific initialization.
128  *	Most applications, especially those that incorporate additional
129  *	packages, will have their own version of this procedure.
130  *
131  * Results:
132  *	Returns a standard Tcl completion code, and leaves an error
133  *	message in the interp's result if an error occurs.
134  *
135  * Side effects:
136  *	Depends on the startup script.
137  *
138  *----------------------------------------------------------------------
139  */
140 
141 int
Tcl_AppInit(interp)142 Tcl_AppInit(interp)
143     Tcl_Interp *interp;		/* Interpreter for application. */
144 {
145     if (Tcl_Init(interp) == TCL_ERROR) {
146 	return TCL_ERROR;
147     }
148 
149 #ifdef TCL_TEST
150 #ifdef TCL_XT_TEST
151      if (Tclxttest_Init(interp) == TCL_ERROR) {
152 	 return TCL_ERROR;
153      }
154 #endif
155     if (Tcltest_Init(interp) == TCL_ERROR) {
156 	return TCL_ERROR;
157     }
158     Tcl_StaticPackage(interp, "Tcltest", Tcltest_Init,
159             (Tcl_PackageInitProc *) NULL);
160     if (TclObjTest_Init(interp) == TCL_ERROR) {
161 	return TCL_ERROR;
162     }
163 #ifdef TCL_THREADS
164     if (TclThread_Init(interp) == TCL_ERROR) {
165 	return TCL_ERROR;
166     }
167 #endif
168     if (Procbodytest_Init(interp) == TCL_ERROR) {
169 	return TCL_ERROR;
170     }
171     Tcl_StaticPackage(interp, "procbodytest", Procbodytest_Init,
172             Procbodytest_SafeInit);
173 #endif /* TCL_TEST */
174 
175     /*
176      * Call the init procedures for included packages.  Each call should
177      * look like this:
178      *
179      * if (Mod_Init(interp) == TCL_ERROR) {
180      *     return TCL_ERROR;
181      * }
182      *
183      * where "Mod" is the name of the module.
184      */
185 
186     if (Tclgeomap_Init(interp) == TCL_ERROR) {
187 	return TCL_ERROR;
188     }
189 
190     /*
191      * Call Tcl_CreateCommand for application-specific commands, if
192      * they weren't already created by the init procedures called above.
193      */
194 
195     /*
196      * Specify a user-specific startup file to invoke if the application
197      * is run interactively.  Typically the startup file is "~/.apprc"
198      * where "app" is the name of the application.  If this line is deleted
199      * then no user-specific startup file will be run under any conditions.
200      */
201 
202     Tcl_SetVar(interp, "tcl_rcFileName", "~/.tclshrc", TCL_GLOBAL_ONLY);
203     return TCL_OK;
204 }
205