зеркало из https://github.com/github/ruby.git
95 строки
2.2 KiB
C
95 строки
2.2 KiB
C
#if defined USE_TCL_STUBS && defined USE_TK_STUBS
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#include <tcl.h>
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#include <tk.h>
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#include "ruby.h"
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#if defined _WIN32 || defined __CYGWIN__
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# include "util.h"
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# include <windows.h>
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typedef HINSTANCE DL_HANDLE;
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# define DL_OPEN LoadLibrary
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# define DL_SYM GetProcAddress
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# define TCL_INDEX 4
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# define TK_INDEX 3
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# define TCL_NAME "tcl89%s"
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# define TK_NAME "tk89%s"
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# undef DLEXT
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# define DLEXT ".dll"
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#elif defined HAVE_DLOPEN
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# include <dlfcn.h>
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typedef void *DL_HANDLE;
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# define DL_OPEN(file) dlopen(file, RTLD_LAZY|RTLD_GLOBAL)
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# define DL_SYM dlsym
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# define TCL_INDEX 8
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# define TK_INDEX 7
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# define TCL_NAME "libtcl8.9%s"
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# define TK_NAME "libtk8.9%s"
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#endif
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int
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ruby_tcltk_stubs()
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{
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DL_HANDLE tcl_dll;
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DL_HANDLE tk_dll;
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Tcl_Interp *(*p_Tcl_CreateInterp)();
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int (*p_Tk_Init) _((Tcl_Interp *));
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Tcl_Interp *tcl_ip;
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int n;
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char *ruby_tcl_dll = 0;
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char *ruby_tk_dll = 0;
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char tcl_name[20];
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char tk_name[20];
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ruby_tcl_dll = getenv("RUBY_TCL_DLL");
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#if defined _WIN32
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if (ruby_tcl_dll) ruby_tcl_dll = ruby_strdup(ruby_tcl_dll);
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#endif
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ruby_tk_dll = getenv("RUBY_TK_DLL");
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if (ruby_tcl_dll && ruby_tk_dll) {
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tcl_dll = (DL_HANDLE)DL_OPEN(ruby_tcl_dll);
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tk_dll = (DL_HANDLE)DL_OPEN(ruby_tk_dll);
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} else {
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snprintf(tcl_name, sizeof tcl_name, TCL_NAME, DLEXT);
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snprintf(tk_name, sizeof tk_name, TK_NAME, DLEXT);
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/* examine from 8.9 to 8.1 */
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for (n = '9'; n > '0'; n--) {
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tcl_name[TCL_INDEX] = n;
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tk_name[TK_INDEX] = n;
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tcl_dll = (DL_HANDLE)DL_OPEN(tcl_name);
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tk_dll = (DL_HANDLE)DL_OPEN(tk_name);
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if (tcl_dll && tk_dll)
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break;
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}
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}
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#if defined _WIN32
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if (ruby_tcl_dll) ruby_xfree(ruby_tcl_dll);
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#endif
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if (!tcl_dll || !tk_dll)
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return -1;
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p_Tcl_CreateInterp = (Tcl_Interp *(*)())DL_SYM(tcl_dll, "Tcl_CreateInterp");
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if (!p_Tcl_CreateInterp)
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return -2;
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tcl_ip = (*p_Tcl_CreateInterp)();
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if (!tcl_ip)
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return -3;
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p_Tk_Init = (int (*) _((Tcl_Interp *)))DL_SYM(tk_dll, "Tk_Init");
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if (!p_Tk_Init)
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return -4;
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(*p_Tk_Init)(tcl_ip);
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if (!Tcl_InitStubs(tcl_ip, "8.1", 0))
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return -5;
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if (!Tk_InitStubs(tcl_ip, "8.1", 0))
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return -6;
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Tcl_DeleteInterp(tcl_ip);
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return 0;
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}
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#endif
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