#ifdef KIT_INCLUDES_TK
# include <tk.h>
#else
# include <tcl.h>
#endif /* KIT_INCLUDES_TK */
#ifdef _WIN32
# define WIN32_LEAN_AND_MEAN
# include <windows.h>
# undef WIN32_LEAN_AND_MEAN
#endif /* _WIN32 */
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#ifdef HAVE_DLFCN_H
# include <dlfcn.h>
#endif
#include "tclInt.h"
#if defined(HAVE_TCL_GETENCODINGNAMEFROMENVIRONMENT) && defined(HAVE_TCL_SETSYSTEMENCODING)
# define TCLKIT_CAN_SET_ENCODING 1
#endif
#if 10 * TCL_MAJOR_VERSION + TCL_MINOR_VERSION < 85
# define TCLKIT_REQUIRE_TCLEXECUTABLENAME 1
#endif
#if 10 * TCL_MAJOR_VERSION + TCL_MINOR_VERSION < 85
# define KIT_INCLUDES_PWB 1
#endif
Tcl_AppInitProc Vfs_Init, Rechan_Init;
Tcl_AppInitProc Vfs_kitdll_data_tcl_Init;
#ifdef KIT_INCLUDES_PWB
Tcl_AppInitProc Pwb_Init;
#endif
#ifdef TCL_THREADS
Tcl_AppInitProc Thread_Init;
#endif
#ifdef _WIN32
Tcl_AppInitProc Dde_Init, Registry_Init;
#endif
/*
* This Tcl code is invoked whenever Tcl_Init() is called on an
* interpreter. It should mount up the VFS and make everything ready for
* that interpreter to do its job.
*/
static char *preInitCmd =
"proc tclKitInit {} {\n"
"rename tclKitInit {}\n"
"load {} tclkit::init\n"
"load {} rechan\n"
"load {} vfs\n"
"load {} vfs_kitdll_data_tcl\n"
#include "vfs_kitdll.tcl.h"
"if {![file exists \"/.KITDLL_TCL/boot.tcl\"]} {\n"
"vfs::kitdll::Mount tcl /.KITDLL_TCL\n"
"set ::initVFS 1\n"
"}\n"
"set f [open \"/.KITDLL_TCL/boot.tcl\"]\n"
"set s [read $f]\n"
"close $f\n"
"::tclkit::init::initInterp\n"
"rename ::tclkit::init::initInterp {}\n"
"uplevel #0 $s\n"
#if defined(KIT_INCLUDES_TK) && defined(KIT_TK_VERSION)
"package ifneeded Tk " KIT_TK_VERSION " {\n"
"load {} Tk\n"
"}\n"
#endif
#ifdef _WIN32
"catch {load {} dde}\n"
"catch {load {} registry}\n"
#endif /* _WIN32 */
"}\n"
"tclKitInit";
#ifdef HAVE_ACCEPTABLE_DLADDR
/* Symbol to resolve against dladdr() */
static void _tclkit_dummy_func(void) {
return;
}
int main(int argc, char **argv);
#endif /* HAVE_ACCEPTABLE_DLADDR */
/*
* This function will return a pathname we can open() to treat as a VFS,
* hopefully
*/
static char *find_tclkit_dll_path(void) {
#ifdef HAVE_ACCEPTABLE_DLADDR
Dl_info syminfo;
int dladdr_ret;
#endif /* HAVE_ACCEPTABLE_DLADDR */
#ifdef _WIN32
TCHAR modulename[8192];
DWORD gmfn_ret;
#endif /* _WIN32 */
#ifdef HAVE_ACCEPTABLE_DLADDR
dladdr_ret = dladdr(&_tclkit_dummy_func, &syminfo);
if (dladdr_ret != 0) {
if (syminfo.dli_fname && syminfo.dli_fname[0] != '\0') {
return(strdup(syminfo.dli_fname));
}
}
#endif /* HAVE_ACCEPTABLE_DLADDR */
#ifdef _WIN32
gmfn_ret = GetModuleFileName(TclWinGetTclInstance(), modulename, sizeof(modulename) / sizeof(modulename[0]) - 1);
if (gmfn_ret != 0) {
return(strdup(modulename));
}
#endif /* _WIN32 */
return(NULL);
}
/* SetExecName --
Hack to get around Tcl bug 1224888.
*/
static void SetExecName(Tcl_Interp *interp, const char *path) {
#ifdef TCLKIT_REQUIRE_TCLEXECUTABLENAME
tclExecutableName = strdup(path);
#endif
Tcl_FindExecutable(path);
return;
}
static void FindAndSetExecName(Tcl_Interp *interp) {
int len = 0;
Tcl_Obj *execNameObj;
Tcl_Obj *lobjv[1];
#ifdef HAVE_READLINK
ssize_t readlink_ret;
char exe_buf[4096];
#endif /* HAVE_READLINK */
#ifdef HAVE_ACCEPTABLE_DLADDR
Dl_info syminfo;
int dladdr_ret;
#endif /* HAVE_ACCEPTABLE_DLADDR */
#ifdef HAVE_READLINK
if (Tcl_GetNameOfExecutable() == NULL) {
readlink_ret = readlink("/proc/self/exe", exe_buf, sizeof(exe_buf) - 1);
if (readlink_ret > 0 && readlink_ret < (sizeof(exe_buf) - 1)) {
exe_buf[readlink_ret] = '\0';
SetExecName(interp, exe_buf);
return;
}
}
if (Tcl_GetNameOfExecutable() == NULL) {
readlink_ret = readlink("/proc/curproc/file", exe_buf, sizeof(exe_buf) - 1);
if (readlink_ret > 0 && readlink_ret < (sizeof(exe_buf) - 1)) {
exe_buf[readlink_ret] = '\0';
if (strcmp(exe_buf, "unknown") != 0) {
SetExecName(interp, exe_buf);
return;
}
}
}
#endif /* HAVE_READLINK */
#ifdef HAVE_ACCEPTABLE_DLADDR
if (Tcl_GetNameOfExecutable() == NULL) {
dladdr_ret = dladdr(&main, &syminfo);
if (dladdr_ret != 0) {
SetExecName(interp, syminfo.dli_fname);
}
}
#endif /* HAVE_ACCEPTABLE_DLADDR */
if (Tcl_GetNameOfExecutable() == NULL) {
lobjv[0] = Tcl_GetVar2Ex(interp, "argv0", NULL, TCL_GLOBAL_ONLY);
execNameObj = Tcl_FSJoinToPath(Tcl_FSGetCwd(interp), 1, lobjv);
SetExecName(interp, Tcl_GetStringFromObj(execNameObj, &len));
return;
}
return;
}
/*
* This function exists to allow C code to initialize a particular
* interpreter.
*/
static int tclkit_init_initinterp(ClientData cd, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]) {
char *kitdll_path;
#ifdef TCLKIT_CAN_SET_ENCODING
Tcl_DString encodingName;
#endif /* TCLKIT_CAN_SET_ENCODING */
#ifdef _WIN32
Tcl_SetVar(interp, "tcl_rcFileName", "~/tclkitrc.tcl", TCL_GLOBAL_ONLY);
#else
Tcl_SetVar(interp, "tcl_rcFileName", "~/.tclkitrc", TCL_GLOBAL_ONLY);
#endif
kitdll_path = find_tclkit_dll_path();
if (kitdll_path != NULL) {
Tcl_SetVar(interp, "tclKitFilename", kitdll_path, TCL_GLOBAL_ONLY);
free(kitdll_path);
}
FindAndSetExecName(interp);
#ifdef TCLKIT_CAN_SET_ENCODING
/* Set the encoding from the Environment */
Tcl_GetEncodingNameFromEnvironment(&encodingName);
Tcl_SetSystemEncoding(NULL, Tcl_DStringValue(&encodingName));
Tcl_SetVar(interp, "tclkit_system_encoding", Tcl_DStringValue(&encodingName), TCL_GLOBAL_ONLY);
Tcl_DStringFree(&encodingName);
#endif
return(TCL_OK);
}
/*
* Create a package for initializing a particular interpreter. This is
* our hook to have Tcl invoke C commands when creating an interpreter.
* The preInitCmd will load the package in the new interpreter and invoke
* this function.
*/
int Tclkit_init_Init(Tcl_Interp *interp) {
Tcl_Command tclCreatComm_ret;
int tclPkgProv_ret;
tclCreatComm_ret = Tcl_CreateObjCommand(interp, "::tclkit::init::initInterp", tclkit_init_initinterp, NULL, NULL);
if (!tclCreatComm_ret) {
return(TCL_ERROR);
}
tclPkgProv_ret = Tcl_PkgProvide(interp, "tclkit::init", "1.0");
return(tclPkgProv_ret);
}
/*
* Initialize the Tcl system when we are loaded, that way Tcl functions
* are ready to be used when invoked.
*/
void __attribute__((constructor)) _Tclkit_Init(void) {
Tcl_StaticPackage(0, "tclkit::init", Tclkit_init_Init, NULL);
Tcl_StaticPackage(0, "rechan", Rechan_Init, NULL);
Tcl_StaticPackage(0, "vfs", Vfs_Init, NULL);
Tcl_StaticPackage(0, "vfs_kitdll_data_tcl", Vfs_kitdll_data_tcl_Init, NULL);
#ifdef KIT_INCLUDES_PWB
Tcl_StaticPackage(0, "pwb", Pwb_Init, NULL);
#endif
#ifdef TCL_THREADS
Tcl_StaticPackage(0, "Thread", Thread_Init, NULL);
#endif
#ifdef _WIN32
Tcl_StaticPackage(0, "dde", Dde_Init, NULL);
Tcl_StaticPackage(0, "registry", Registry_Init, NULL);
#endif
#ifdef KIT_INCLUDES_TK
Tcl_StaticPackage(0, "Tk", Tk_Init, Tk_SafeInit);
#endif
TclSetPreInitScript(preInitCmd);
return;
}
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