зеркало из https://github.com/github/ruby.git
593 строки
12 KiB
C
593 строки
12 KiB
C
/************************************************
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stubs.c - Tcl/Tk stubs support
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************************************************/
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#include "ruby.h"
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#include "stubs.h"
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#if !defined(RSTRING_PTR)
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#define RSTRING_PTR(s) (RSTRING(s)->ptr)
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#define RSTRING_LEN(s) (RSTRING(s)->len)
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#endif
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#include <tcl.h>
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#include <tk.h>
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/*------------------------------*/
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#ifdef __MACOS__
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# include <tkMac.h>
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# include <Quickdraw.h>
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static int call_macinit = 0;
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static void
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_macinit(void)
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{
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if (!call_macinit) {
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tcl_macQdPtr = &qd; /* setup QuickDraw globals */
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Tcl_MacSetEventProc(TkMacConvertEvent); /* setup event handler */
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call_macinit = 1;
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}
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}
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#endif
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/*------------------------------*/
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static int nativethread_checked = 0;
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static void
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_nativethread_consistency_check(ip)
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Tcl_Interp *ip;
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{
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if (nativethread_checked || ip == (Tcl_Interp *)NULL) {
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return;
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}
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/* If the variable "tcl_platform(threaded)" exists,
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then the Tcl interpreter was compiled with threads enabled. */
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if (Tcl_GetVar2(ip, "tcl_platform", "threaded", TCL_GLOBAL_ONLY) != (char*)NULL) {
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#ifdef HAVE_NATIVETHREAD
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/* consistent */
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#else
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rb_warn("Inconsistency. Loaded Tcl/Tk libraries are enabled nativethread-support. But `tcltklib' is not. The inconsistency causes SEGV or other troubles frequently.");
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#endif
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} else {
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#ifdef HAVE_NATIVETHREAD
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rb_warning("Inconsistency.`tcltklib' is enabled nativethread-support. But loaded Tcl/Tk libraries are not. (Probably, the inconsistency doesn't cause any troubles.)");
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#else
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/* consistent */
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#endif
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}
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Tcl_ResetResult(ip);
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nativethread_checked = 1;
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}
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/*------------------------------*/
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#if defined USE_TCL_STUBS && defined USE_TK_STUBS
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#if defined _WIN32 || defined __CYGWIN__
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# ifdef HAVE_RUBY_RUBY_H
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# include "ruby/util.h"
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# else
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# include "util.h"
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# endif
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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"
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# define TK_NAME "tk89"
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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"
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# define TK_NAME "libtk8.9"
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# ifdef __APPLE__
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# undef DLEXT
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# define DLEXT ".dylib"
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# endif
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#endif
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static DL_HANDLE tcl_dll = (DL_HANDLE)0;
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static DL_HANDLE tk_dll = (DL_HANDLE)0;
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int
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#ifdef HAVE_PROTOTYPES
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ruby_open_tcl_dll(char *appname)
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#else
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ruby_open_tcl_dll(appname)
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char *appname;
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#endif
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{
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void (*p_Tcl_FindExecutable)(const char *);
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int n;
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char *ruby_tcl_dll = 0;
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if (tcl_dll) return TCLTK_STUBS_OK;
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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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if (ruby_tcl_dll) {
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tcl_dll = (DL_HANDLE)DL_OPEN(ruby_tcl_dll);
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} else {
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char tcl_name[] = TCL_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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tcl_dll = (DL_HANDLE)DL_OPEN(tcl_name);
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if (tcl_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)
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return NO_TCL_DLL;
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p_Tcl_FindExecutable = (void (*)(const char *))DL_SYM(tcl_dll, "Tcl_FindExecutable");
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if (!p_Tcl_FindExecutable)
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return NO_FindExecutable;
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if (appname) {
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p_Tcl_FindExecutable(appname);
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} else {
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p_Tcl_FindExecutable("ruby");
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}
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return TCLTK_STUBS_OK;
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}
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int
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ruby_open_tk_dll(void)
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{
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int n;
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char *ruby_tk_dll = 0;
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if (!tcl_dll) {
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/* int ret = ruby_open_tcl_dll(RSTRING_PTR(rb_argv0)); */
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int ret = ruby_open_tcl_dll(rb_argv0 ? RSTRING_PTR(rb_argv0) : 0);
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if (ret != TCLTK_STUBS_OK) return ret;
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}
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if (tk_dll) return TCLTK_STUBS_OK;
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ruby_tk_dll = getenv("RUBY_TK_DLL");
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if (ruby_tk_dll) {
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tk_dll = (DL_HANDLE)DL_OPEN(ruby_tk_dll);
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} else {
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char 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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tk_name[TK_INDEX] = n;
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tk_dll = (DL_HANDLE)DL_OPEN(tk_name);
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if (tk_dll)
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break;
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}
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}
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if (!tk_dll)
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return NO_TK_DLL;
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return TCLTK_STUBS_OK;
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}
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int
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#ifdef HAVE_PROTOTYPES
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ruby_open_tcltk_dll(char *appname)
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#else
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ruby_open_tcltk_dll(appname)
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char *appname;
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#endif
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{
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return( ruby_open_tcl_dll(appname) || ruby_open_tk_dll() );
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}
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int
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tcl_stubs_init_p(void)
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{
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return(tclStubsPtr != (TclStubs*)NULL);
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}
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int
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tk_stubs_init_p(void)
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{
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return(tkStubsPtr != (TkStubs*)NULL);
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}
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Tcl_Interp *
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#ifdef HAVE_PROTOTYPES
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ruby_tcl_create_ip_and_stubs_init(int *st)
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#else
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ruby_tcl_create_ip_and_stubs_init(st)
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int *st;
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#endif
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{
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Tcl_Interp *tcl_ip;
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if (st) *st = 0;
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if (tcl_stubs_init_p()) {
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tcl_ip = Tcl_CreateInterp();
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if (!tcl_ip) {
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if (st) *st = FAIL_CreateInterp;
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return (Tcl_Interp*)NULL;
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}
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_nativethread_consistency_check(tcl_ip);
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return tcl_ip;
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} else {
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Tcl_Interp *(*p_Tcl_CreateInterp)();
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Tcl_Interp *(*p_Tcl_DeleteInterp)();
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if (!tcl_dll) {
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/* int ret = ruby_open_tcl_dll(RSTRING_PTR(rb_argv0)); */
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int ret = ruby_open_tcl_dll(rb_argv0 ? RSTRING_PTR(rb_argv0) : 0);
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if (ret != TCLTK_STUBS_OK) {
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if (st) *st = ret;
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return (Tcl_Interp*)NULL;
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}
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}
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p_Tcl_CreateInterp
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= (Tcl_Interp *(*)())DL_SYM(tcl_dll, "Tcl_CreateInterp");
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if (!p_Tcl_CreateInterp) {
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if (st) *st = NO_CreateInterp;
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return (Tcl_Interp*)NULL;
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}
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p_Tcl_DeleteInterp
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= (Tcl_Interp *(*)())DL_SYM(tcl_dll, "Tcl_DeleteInterp");
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if (!p_Tcl_DeleteInterp) {
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if (st) *st = NO_DeleteInterp;
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return (Tcl_Interp*)NULL;
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}
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tcl_ip = (*p_Tcl_CreateInterp)();
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if (!tcl_ip) {
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if (st) *st = FAIL_CreateInterp;
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return (Tcl_Interp*)NULL;
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}
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if (!Tcl_InitStubs(tcl_ip, "8.1", 0)) {
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if (st) *st = FAIL_Tcl_InitStubs;
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(*p_Tcl_DeleteInterp)(tcl_ip);
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return (Tcl_Interp*)NULL;
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}
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_nativethread_consistency_check(tcl_ip);
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return tcl_ip;
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}
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}
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int
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ruby_tcl_stubs_init(void)
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{
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int st;
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Tcl_Interp *tcl_ip;
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if (!tcl_stubs_init_p()) {
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tcl_ip = ruby_tcl_create_ip_and_stubs_init(&st);
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if (!tcl_ip) return st;
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Tcl_DeleteInterp(tcl_ip);
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}
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return TCLTK_STUBS_OK;
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}
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int
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#ifdef HAVE_PROTOTYPES
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ruby_tk_stubs_init(Tcl_Interp *tcl_ip)
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#else
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ruby_tk_stubs_init(tcl_ip)
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Tcl_Interp *tcl_ip;
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#endif
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{
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Tcl_ResetResult(tcl_ip);
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if (tk_stubs_init_p()) {
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if (Tk_Init(tcl_ip) == TCL_ERROR) {
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return FAIL_Tk_Init;
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}
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} else {
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int (*p_Tk_Init)(Tcl_Interp *);
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if (!tk_dll) {
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int ret = ruby_open_tk_dll();
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if (ret != TCLTK_STUBS_OK) return ret;
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}
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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 NO_Tk_Init;
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#if defined USE_TK_STUBS && defined TK_FRAMEWORK && defined(__APPLE__)
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/*
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FIX ME : dirty hack for Mac OS X frameworks.
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With stubs, fails to find Resource/Script directory of Tk.framework.
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So, teach it to a Tcl interpreter by an environment variable.
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e.g. when $tcl_library ==
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/Library/Frameworks/Tcl.framwwork/8.5/Resources/Scripts
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==> /Library/Frameworks/Tk.framwwork/8.5/Resources/Scripts
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*/
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if (Tcl_Eval(tcl_ip,
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"if {[array get env TK_LIBRARY] == {}} { set env(TK_LIBRARY) [regsub -all -nocase {(t)cl} $tcl_library {\\1k}] }"
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) != TCL_OK) {
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return FAIL_Tk_Init;
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}
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#endif
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if ((*p_Tk_Init)(tcl_ip) == TCL_ERROR)
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return FAIL_Tk_Init;
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if (!Tk_InitStubs(tcl_ip, (char *)"8.1", 0))
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return FAIL_Tk_InitStubs;
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#ifdef __MACOS__
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_macinit();
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#endif
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}
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return TCLTK_STUBS_OK;
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}
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int
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#ifdef HAVE_PROTOTYPES
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ruby_tk_stubs_safeinit(Tcl_Interp *tcl_ip)
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#else
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ruby_tk_stubs_safeinit(tcl_ip)
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Tcl_Interp *tcl_ip;
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#endif
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{
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Tcl_ResetResult(tcl_ip);
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if (tk_stubs_init_p()) {
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if (Tk_SafeInit(tcl_ip) == TCL_ERROR)
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return FAIL_Tk_Init;
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} else {
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int (*p_Tk_SafeInit)(Tcl_Interp *);
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if (!tk_dll) {
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int ret = ruby_open_tk_dll();
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if (ret != TCLTK_STUBS_OK) return ret;
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}
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p_Tk_SafeInit = (int (*)(Tcl_Interp *))DL_SYM(tk_dll, "Tk_SafeInit");
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if (!p_Tk_SafeInit)
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return NO_Tk_Init;
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if ((*p_Tk_SafeInit)(tcl_ip) == TCL_ERROR)
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return FAIL_Tk_Init;
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if (!Tk_InitStubs(tcl_ip, (char *)"8.1", 0))
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return FAIL_Tk_InitStubs;
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#ifdef __MACOS__
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_macinit();
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#endif
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}
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return TCLTK_STUBS_OK;
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}
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int
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ruby_tcltk_stubs(void)
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{
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int st;
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Tcl_Interp *tcl_ip;
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/* st = ruby_open_tcltk_dll(RSTRING_PTR(rb_argv0)); */
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st = ruby_open_tcltk_dll(rb_argv0 ? RSTRING_PTR(rb_argv0) : 0);
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switch(st) {
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case NO_FindExecutable:
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return -7;
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case NO_TCL_DLL:
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case NO_TK_DLL:
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return -1;
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}
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tcl_ip = ruby_tcl_create_ip_and_stubs_init(&st);
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if (!tcl_ip) {
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switch(st) {
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case NO_CreateInterp:
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case NO_DeleteInterp:
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return -2;
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case FAIL_CreateInterp:
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return -3;
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case FAIL_Tcl_InitStubs:
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return -5;
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}
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}
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st = ruby_tk_stubs_init(tcl_ip);
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switch(st) {
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case NO_Tk_Init:
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Tcl_DeleteInterp(tcl_ip);
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return -4;
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case FAIL_Tk_Init:
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case FAIL_Tk_InitStubs:
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Tcl_DeleteInterp(tcl_ip);
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return -6;
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}
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Tcl_DeleteInterp(tcl_ip);
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return 0;
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}
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/*###################################################*/
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#else /* ! USE_TCL_STUBS || ! USE_TK_STUBS) */
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/*###################################################*/
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static int open_tcl_dll = 0;
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static int call_tk_stubs_init = 0;
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int
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#ifdef HAVE_PROTOTYPES
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ruby_open_tcl_dll(char *appname)
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#else
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ruby_open_tcl_dll(appname)
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char *appname;
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#endif
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{
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if (appname) {
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Tcl_FindExecutable(appname);
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} else {
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Tcl_FindExecutable("ruby");
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}
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open_tcl_dll = 1;
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return TCLTK_STUBS_OK;
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}
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int
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ruby_open_tk_dll(void)
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{
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if (!open_tcl_dll) {
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/* ruby_open_tcl_dll(RSTRING_PTR(rb_argv0)); */
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ruby_open_tcl_dll(rb_argv0 ? RSTRING_PTR(rb_argv0) : 0);
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}
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return TCLTK_STUBS_OK;
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}
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int
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#ifdef HAVE_PROTOTYPES
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ruby_open_tcltk_dll(char *appname)
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#else
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ruby_open_tcltk_dll(appname)
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char *appname;
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#endif
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{
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return( ruby_open_tcl_dll(appname) || ruby_open_tk_dll() );
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}
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int
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tcl_stubs_init_p(void)
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{
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return 1;
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}
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int
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tk_stubs_init_p(void)
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{
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return call_tk_stubs_init;
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}
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Tcl_Interp *
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#ifdef HAVE_PROTOTYPES
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ruby_tcl_create_ip_and_stubs_init(int *st)
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#else
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ruby_tcl_create_ip_and_stubs_init(st)
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int *st;
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#endif
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{
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Tcl_Interp *tcl_ip;
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if (!open_tcl_dll) {
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/* ruby_open_tcl_dll(RSTRING_PTR(rb_argv0)); */
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ruby_open_tcl_dll(rb_argv0 ? RSTRING_PTR(rb_argv0) : 0);
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}
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if (st) *st = 0;
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tcl_ip = Tcl_CreateInterp();
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if (!tcl_ip) {
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if (st) *st = FAIL_CreateInterp;
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return (Tcl_Interp*)NULL;
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}
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_nativethread_consistency_check(tcl_ip);
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return tcl_ip;
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}
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int
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ruby_tcl_stubs_init(void)
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{
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return TCLTK_STUBS_OK;
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}
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int
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#ifdef HAVE_PROTOTYPES
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ruby_tk_stubs_init(Tcl_Interp *tcl_ip)
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#else
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ruby_tk_stubs_init(tcl_ip)
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Tcl_Interp *tcl_ip;
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#endif
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{
|
|
if (Tk_Init(tcl_ip) == TCL_ERROR)
|
|
return FAIL_Tk_Init;
|
|
|
|
if (!call_tk_stubs_init) {
|
|
#ifdef __MACOS__
|
|
_macinit();
|
|
#endif
|
|
call_tk_stubs_init = 1;
|
|
}
|
|
|
|
return TCLTK_STUBS_OK;
|
|
}
|
|
|
|
int
|
|
#ifdef HAVE_PROTOTYPES
|
|
ruby_tk_stubs_safeinit(Tcl_Interp *tcl_ip)
|
|
#else
|
|
ruby_tk_stubs_safeinit(tcl_ip)
|
|
Tcl_Interp *tcl_ip;
|
|
#endif
|
|
{
|
|
#if TCL_MAJOR_VERSION >= 8
|
|
if (Tk_SafeInit(tcl_ip) == TCL_ERROR)
|
|
return FAIL_Tk_Init;
|
|
|
|
if (!call_tk_stubs_init) {
|
|
#ifdef __MACOS__
|
|
_macinit();
|
|
#endif
|
|
call_tk_stubs_init = 1;
|
|
}
|
|
|
|
return TCLTK_STUBS_OK;
|
|
|
|
#else /* TCL_MAJOR_VERSION < 8 */
|
|
|
|
return FAIL_Tk_Init;
|
|
#endif
|
|
}
|
|
|
|
int
|
|
ruby_tcltk_stubs(void)
|
|
{
|
|
/* Tcl_FindExecutable(RSTRING_PTR(rb_argv0)); */
|
|
Tcl_FindExecutable(rb_argv0 ? RSTRING_PTR(rb_argv0) : 0);
|
|
return 0;
|
|
}
|
|
|
|
#endif
|