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ruby/ext/tcltklib/tcltklib.c

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C
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/*
* tcltklib.c
* Aug. 27, 1997 Y. Shigehiro
* Oct. 24, 1997 Y. Matsumoto
*/
#include "ruby.h"
#include "rubysig.h"
#undef EXTERN /* avoid conflict with tcl.h of tcl8.2 or before */
#include <stdio.h>
#ifdef HAVE_STDARG_PROTOTYPES
#include <stdarg.h>
#define va_init_list(a,b) va_start(a,b)
#else
#include <varargs.h>
#define va_init_list(a,b) va_start(a)
#endif
#include <string.h>
#include <tcl.h>
#include <tk.h>
#ifdef __MACOS__
# include <tkMac.h>
# include <Quickdraw.h>
#endif
#if TCL_MAJOR_VERSION >= 8
# ifndef CONST84
# if TCL_MAJOR_VERSION == 8 && TCL_MINOR_VERSION <= 4 /* Tcl8.0.x -- 8.4b1 */
# define CONST84
# else /* unknown (maybe TCL_VERSION >= 8.5) */
# ifdef CONST
# define CONST84 CONST
# else
# define CONST84
# endif
# endif
# endif
#else /* TCL_MAJOR_VERSION < 8 */
# ifdef CONST
# define CONST84 CONST
# else
# define CONST
# define CONST84
# endif
#endif
/* copied from eval.c */
#define TAG_RETURN 0x1
#define TAG_BREAK 0x2
#define TAG_NEXT 0x3
#define TAG_RETRY 0x4
#define TAG_REDO 0x5
#define TAG_RAISE 0x6
#define TAG_THROW 0x7
#define TAG_FATAL 0x8
/* for ruby_debug */
#define DUMP1(ARG1) if (ruby_debug) { fprintf(stderr, "tcltklib: %s\n", ARG1); fflush(stderr); }
#define DUMP2(ARG1, ARG2) if (ruby_debug) { fprintf(stderr, "tcltklib: ");\
fprintf(stderr, ARG1, ARG2); fprintf(stderr, "\n"); fflush(stderr); }
/*
#define DUMP1(ARG1)
#define DUMP2(ARG1, ARG2)
*/
/*finalize_proc_name */
static char *finalize_hook_name = "INTERP_FINALIZE_HOOK";
/* for callback break & continue */
static VALUE eTkCallbackReturn;
static VALUE eTkCallbackBreak;
static VALUE eTkCallbackContinue;
static VALUE eLocalJumpError;
static ID ID_at_enc;
static ID ID_at_interp;
static ID ID_stop_p;
static ID ID_kill;
static ID ID_join;
static ID ID_call;
static ID ID_backtrace;
static ID ID_message;
static ID ID_at_reason;
static ID ID_return;
static ID ID_break;
static ID ID_next;
static ID ID_to_s;
static ID ID_inspect;
static VALUE ip_invoke_real _((int, VALUE*, VALUE));
static VALUE ip_invoke _((int, VALUE*, VALUE));
/* from tkAppInit.c */
#if TCL_MAJOR_VERSION < 8 || (TCL_MAJOR_VERSION == 8 && TCL_MINOR_VERSION < 4)
# if !defined __MINGW32__ && !defined __BORLANDC__
/*
* The following variable is a special hack that is needed in order for
* Sun shared libraries to be used for Tcl.
*/
extern int matherr();
int *tclDummyMathPtr = (int *) matherr;
# endif
#endif
/*---- module TclTkLib ----*/
struct invoke_queue {
Tcl_Event ev;
int argc;
#if TCL_MAJOR_VERSION >= 8
Tcl_Obj **argv;
#else /* TCL_MAJOR_VERSION < 8 */
char **argv;
#endif
VALUE interp;
int *done;
int safe_level;
VALUE result;
VALUE thread;
};
struct eval_queue {
Tcl_Event ev;
char *str;
int len;
VALUE interp;
int *done;
int safe_level;
VALUE result;
VALUE thread;
};
void
invoke_queue_mark(struct invoke_queue *q)
{
rb_gc_mark(q->interp);
rb_gc_mark(q->result);
rb_gc_mark(q->thread);
}
void
eval_queue_mark(struct eval_queue *q)
{
rb_gc_mark(q->interp);
rb_gc_mark(q->result);
rb_gc_mark(q->thread);
}
static VALUE eventloop_thread;
static VALUE watchdog_thread;
Tcl_Interp *current_interp;
/*
* 'event_loop_max' is a maximum events which the eventloop processes in one
* term of thread scheduling. 'no_event_tick' is the count-up value when
* there are no event for processing.
* 'timer_tick' is a limit of one term of thread scheduling.
* If 'timer_tick' == 0, then not use the timer for thread scheduling.
*/
#define DEFAULT_EVENT_LOOP_MAX 800/*counts*/
#define DEFAULT_NO_EVENT_TICK 10/*counts*/
#define DEFAULT_NO_EVENT_WAIT 20/*milliseconds ( 1 -- 999 ) */
#define WATCHDOG_INTERVAL 10/*milliseconds ( 1 -- 999 ) */
#define DEFAULT_TIMER_TICK 0/*milliseconds ( 0 -- 999 ) */
#define NO_THREAD_INTERRUPT_TIME 100/*milliseconds ( 1 -- 999 ) */
static int event_loop_max = DEFAULT_EVENT_LOOP_MAX;
static int no_event_tick = DEFAULT_NO_EVENT_TICK;
static int no_event_wait = DEFAULT_NO_EVENT_WAIT;
static int timer_tick = DEFAULT_TIMER_TICK;
static int req_timer_tick = DEFAULT_TIMER_TICK;
static int run_timer_flag = 0;
static int event_loop_wait_event = 0;
static int event_loop_abort_on_exc = 1;
static int loop_counter = 0;
static int check_rootwidget_flag = 0;
#if TCL_MAJOR_VERSION >= 8
static int ip_ruby_eval _((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST*));
static int ip_ruby_cmd _((ClientData, Tcl_Interp *, int, Tcl_Obj *CONST*));
#else /* TCL_MAJOR_VERSION < 8 */
static int ip_ruby_eval _((ClientData, Tcl_Interp *, int, char **));
static int ip_ruby_cmd _((ClientData, Tcl_Interp *, int, char **));
#endif
/*---- class TclTkIp ----*/
struct tcltkip {
Tcl_Interp *ip; /* the interpreter */
int has_orig_exit; /* has original 'exit' command ? */
Tcl_CmdInfo orig_exit_info; /* command info of original 'exit' command */
int ref_count; /* reference count of rbtk_preserve_ip call */
int allow_ruby_exit; /* allow exiting ruby by 'exit' function */
int return_value; /* return value */
};
static struct tcltkip *
get_ip(self)
VALUE self;
{
struct tcltkip *ptr;
Data_Get_Struct(self, struct tcltkip, ptr);
if (ptr == 0) {
rb_raise(rb_eTypeError, "uninitialized TclTkIp");
}
return ptr;
}
/* increment/decrement reference count of tcltkip */
static int
rbtk_preserve_ip(ptr)
struct tcltkip *ptr;
{
ptr->ref_count++;
Tcl_Preserve((ClientData)ptr->ip);
return(ptr->ref_count);
}
static int
rbtk_release_ip(ptr)
struct tcltkip *ptr;
{
ptr->ref_count--;
if (ptr->ref_count < 0) {
ptr->ref_count = 0;
} else {
Tcl_Release((ClientData)ptr->ip);
}
return(ptr->ref_count);
}
/* call original 'exit' command */
static void
call_original_exit(ptr, state)
struct tcltkip *ptr;
int state;
{
int thr_crit_bup;
Tcl_CmdInfo *info;
#if TCL_MAJOR_VERSION >= 8
Tcl_Obj *state_obj;
#endif
if (!(ptr->has_orig_exit)) return;
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
Tcl_ResetResult(ptr->ip);
info = &(ptr->orig_exit_info);
/* memory allocation for arguments of this command */
#if TCL_MAJOR_VERSION >= 8
state_obj = Tcl_NewIntObj(state);
Tcl_IncrRefCount(state_obj);
if (info->isNativeObjectProc) {
Tcl_Obj **argv;
argv = (Tcl_Obj **)ALLOC_N(Tcl_Obj *, 3);
argv[0] = Tcl_NewStringObj("exit", 4);
argv[1] = state_obj;
argv[2] = (Tcl_Obj *)NULL;
ptr->return_value
= (*(info->objProc))(info->objClientData, ptr->ip, 2, argv);
free(argv);
} else {
/* string interface */
char **argv;
argv = (char **)ALLOC_N(char *, 3);
argv[0] = "exit";
argv[1] = Tcl_GetString(state_obj);
argv[2] = (char *)NULL;
ptr->return_value = (*(info->proc))(info->clientData, ptr->ip,
2, (CONST84 char **)argv);
free(argv);
}
Tcl_DecrRefCount(state_obj);
#else /* TCL_MAJOR_VERSION < 8 */
{
/* string interface */
char **argv;
argv = (char **)ALLOC_N(char *, 3);
argv[0] = "exit";
argv[1] = RSTRING(rb_fix2str(INT2NUM(state), 10))->ptr;
argv[2] = (char *)NULL;
ptr->return_value = (*(info->proc))(info->clientData, ptr->ip,
2, argv);
free(argv);
}
#endif
rb_thread_critical = thr_crit_bup;
}
/* Tk_ThreadTimer */
static Tcl_TimerToken timer_token = (Tcl_TimerToken)NULL;
/* timer callback */
static void _timer_for_tcl _((ClientData));
static void
_timer_for_tcl(clientData)
ClientData clientData;
{
int thr_crit_bup;
/* struct invoke_queue *q, *tmp; */
/* VALUE thread; */
DUMP1("called timer_for_tcl");
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
Tk_DeleteTimerHandler(timer_token);
run_timer_flag = 1;
if (timer_tick > 0) {
timer_token = Tk_CreateTimerHandler(timer_tick, _timer_for_tcl,
(ClientData)0);
} else {
timer_token = (Tcl_TimerToken)NULL;
}
rb_thread_critical = thr_crit_bup;
/* rb_thread_schedule(); */
/* tick_counter += event_loop_max; */
}
static VALUE
set_eventloop_tick(self, tick)
VALUE self;
VALUE tick;
{
int ttick = NUM2INT(tick);
int thr_crit_bup;
rb_secure(4);
if (ttick < 0) {
rb_raise(rb_eArgError,
"timer-tick parameter must be 0 or positive number");
}
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
/* delete old timer callback */
Tk_DeleteTimerHandler(timer_token);
timer_tick = req_timer_tick = ttick;
if (timer_tick > 0) {
/* start timer callback */
timer_token = Tk_CreateTimerHandler(timer_tick, _timer_for_tcl,
(ClientData)0);
} else {
timer_token = (Tcl_TimerToken)NULL;
}
rb_thread_critical = thr_crit_bup;
return tick;
}
static VALUE
get_eventloop_tick(self)
VALUE self;
{
return INT2NUM(timer_tick);
}
static VALUE
ip_set_eventloop_tick(self, tick)
VALUE self;
VALUE tick;
{
struct tcltkip *ptr = get_ip(self);
/* ip is deleted? */
if (Tcl_InterpDeleted(ptr->ip)) {
DUMP1("ip is deleted");
return get_eventloop_tick(self);
}
if (Tcl_GetMaster(ptr->ip) != (Tcl_Interp*)NULL) {
/* slave IP */
return get_eventloop_tick(self);
}
return set_eventloop_tick(self, tick);
}
static VALUE
ip_get_eventloop_tick(self)
VALUE self;
{
return get_eventloop_tick(self);
}
static VALUE
set_no_event_wait(self, wait)
VALUE self;
VALUE wait;
{
int t_wait = NUM2INT(wait);
rb_secure(4);
if (t_wait <= 0) {
rb_raise(rb_eArgError,
"no_event_wait parameter must be positive number");
}
no_event_wait = t_wait;
return wait;
}
static VALUE
get_no_event_wait(self)
VALUE self;
{
return INT2NUM(no_event_wait);
}
static VALUE
ip_set_no_event_wait(self, wait)
VALUE self;
VALUE wait;
{
struct tcltkip *ptr = get_ip(self);
/* ip is deleted? */
if (Tcl_InterpDeleted(ptr->ip)) {
DUMP1("ip is deleted");
return get_no_event_wait(self);
}
if (Tcl_GetMaster(ptr->ip) != (Tcl_Interp*)NULL) {
/* slave IP */
return get_no_event_wait(self);
}
return set_no_event_wait(self, wait);
}
static VALUE
ip_get_no_event_wait(self)
VALUE self;
{
return get_no_event_wait(self);
}
static VALUE
set_eventloop_weight(self, loop_max, no_event)
VALUE self;
VALUE loop_max;
VALUE no_event;
{
int lpmax = NUM2INT(loop_max);
int no_ev = NUM2INT(no_event);
rb_secure(4);
if (lpmax <= 0 || no_ev <= 0) {
rb_raise(rb_eArgError, "weight parameters must be positive numbers");
}
event_loop_max = lpmax;
no_event_tick = no_ev;
return rb_ary_new3(2, loop_max, no_event);
}
static VALUE
get_eventloop_weight(self)
VALUE self;
{
return rb_ary_new3(2, INT2NUM(event_loop_max), INT2NUM(no_event_tick));
}
static VALUE
ip_set_eventloop_weight(self, loop_max, no_event)
VALUE self;
VALUE loop_max;
VALUE no_event;
{
struct tcltkip *ptr = get_ip(self);
/* ip is deleted? */
if (Tcl_InterpDeleted(ptr->ip)) {
DUMP1("ip is deleted");
return get_eventloop_weight(self);
}
if (Tcl_GetMaster(ptr->ip) != (Tcl_Interp*)NULL) {
/* slave IP */
return get_eventloop_weight(self);
}
return set_eventloop_weight(self, loop_max, no_event);
}
static VALUE
ip_get_eventloop_weight(self)
VALUE self;
{
return get_eventloop_weight(self);
}
static VALUE
set_max_block_time(self, time)
VALUE self;
VALUE time;
{
struct Tcl_Time tcl_time;
VALUE divmod;
switch(TYPE(time)) {
case T_FIXNUM:
case T_BIGNUM:
/* time is micro-second value */
divmod = rb_funcall(time, rb_intern("divmod"), 1, LONG2NUM(1000000));
tcl_time.sec = NUM2LONG(RARRAY(divmod)->ptr[0]);
tcl_time.usec = NUM2LONG(RARRAY(divmod)->ptr[1]);
break;
case T_FLOAT:
/* time is second value */
divmod = rb_funcall(time, rb_intern("divmod"), 1, INT2FIX(1));
tcl_time.sec = NUM2LONG(RARRAY(divmod)->ptr[0]);
tcl_time.usec = (long)(NUM2DBL(RARRAY(divmod)->ptr[1]) * 1000000);
default:
rb_raise(rb_eArgError, "invalid value for time: '%s'",
RSTRING(rb_funcall(time, ID_inspect, 0, 0))->ptr);
}
Tcl_SetMaxBlockTime(&tcl_time);
return Qnil;
}
static VALUE
lib_evloop_abort_on_exc(self)
VALUE self;
{
if (event_loop_abort_on_exc > 0) {
return Qtrue;
} else if (event_loop_abort_on_exc == 0) {
return Qfalse;
} else {
return Qnil;
}
}
static VALUE
ip_evloop_abort_on_exc(self)
VALUE self;
{
return lib_evloop_abort_on_exc(self);
}
static VALUE
lib_evloop_abort_on_exc_set(self, val)
VALUE self, val;
{
rb_secure(4);
if (RTEST(val)) {
event_loop_abort_on_exc = 1;
} else if (NIL_P(val)) {
event_loop_abort_on_exc = -1;
} else {
event_loop_abort_on_exc = 0;
}
return lib_evloop_abort_on_exc(self);
}
static VALUE
ip_evloop_abort_on_exc_set(self, val)
VALUE self, val;
{
struct tcltkip *ptr = get_ip(self);
rb_secure(4);
/* ip is deleted? */
if (Tcl_InterpDeleted(ptr->ip)) {
DUMP1("ip is deleted");
return lib_evloop_abort_on_exc(self);
}
if (Tcl_GetMaster(ptr->ip) != (Tcl_Interp*)NULL) {
/* slave IP */
return lib_evloop_abort_on_exc(self);
}
return lib_evloop_abort_on_exc_set(self, val);
}
static VALUE
lib_num_of_mainwindows(self)
VALUE self;
{
return INT2FIX(Tk_GetNumMainWindows());
}
static int
lib_eventloop_core(check_root, update_flag, check_var)
int check_root;
int update_flag;
int *check_var;
{
volatile VALUE current = eventloop_thread;
int found_event = 1;
int event_flag;
struct timeval t;
int thr_crit_bup;
if (update_flag) DUMP1("update loop start!!");
t.tv_sec = (time_t)0;
t.tv_usec = (time_t)(no_event_wait*1000.0);
Tk_DeleteTimerHandler(timer_token);
run_timer_flag = 0;
if (timer_tick > 0) {
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
timer_token = Tk_CreateTimerHandler(timer_tick, _timer_for_tcl,
(ClientData)0);
rb_thread_critical = thr_crit_bup;
} else {
timer_token = (Tcl_TimerToken)NULL;
}
for(;;) {
if (rb_thread_alone()) {
DUMP1("no other thread");
event_loop_wait_event = 0;
if (update_flag) {
event_flag = update_flag | TCL_DONT_WAIT; /* for safety */
} else {
event_flag = TCL_ALL_EVENTS;
}
if (timer_tick == 0 && update_flag == 0) {
timer_tick = NO_THREAD_INTERRUPT_TIME;
timer_token = Tk_CreateTimerHandler(timer_tick,
_timer_for_tcl,
(ClientData)0);
}
if (check_var != (int *)NULL) {
if (*check_var || !found_event) {
return found_event;
}
}
found_event = Tcl_DoOneEvent(event_flag);
if (update_flag != 0) {
if (found_event) {
DUMP1("next update loop");
continue;
} else {
DUMP1("update complete");
return 0;
}
}
DUMP1("check Root Widget");
if (check_root && Tk_GetNumMainWindows() == 0) {
run_timer_flag = 0;
if (!rb_prohibit_interrupt) {
if (rb_trap_pending) rb_trap_exec();
}
return 1;
}
if (loop_counter++ > 30000) {
/* fprintf(stderr, "loop_counter > 30000\n"); */
loop_counter = 0;
}
} else {
int tick_counter;
DUMP1("there are other threads");
event_loop_wait_event = 1;
found_event = 1;
if (update_flag) {
event_flag = update_flag | TCL_DONT_WAIT; /* for safety */
} else {
event_flag = TCL_ALL_EVENTS | TCL_DONT_WAIT;
}
timer_tick = req_timer_tick;
tick_counter = 0;
while(tick_counter < event_loop_max) {
if (check_var != (int *)NULL) {
if (*check_var || !found_event) {
return found_event;
}
}
if (Tcl_DoOneEvent(event_flag)) {
tick_counter++;
} else {
if (update_flag != 0) {
DUMP1("update complete");
return 0;
}
tick_counter += no_event_tick;
rb_thread_wait_for(t);
}
if (watchdog_thread != 0 && eventloop_thread != current) {
return 1;
}
DUMP1("check Root Widget");
if (check_root && Tk_GetNumMainWindows() == 0) {
run_timer_flag = 0;
if (!rb_prohibit_interrupt) {
if (rb_trap_pending) rb_trap_exec();
}
return 1;
}
DUMP1("trap check");
if (!rb_prohibit_interrupt) {
if (rb_trap_pending) rb_trap_exec();
}
if (loop_counter++ > 30000) {
/* fprintf(stderr, "loop_counter > 30000\n"); */
loop_counter = 0;
}
if (run_timer_flag) {
/*
DUMP1("timer interrupt");
run_timer_flag = 0;
*/
break; /* switch to other thread */
}
}
}
DUMP1("trap check & thread scheduling");
if (update_flag == 0) CHECK_INTS;
}
return 1;
}
VALUE
lib_eventloop_main(check_rootwidget)
VALUE check_rootwidget;
{
check_rootwidget_flag = RTEST(check_rootwidget);
if (lib_eventloop_core(check_rootwidget_flag, 0, (int *)NULL)) {
return Qtrue;
} else {
return Qfalse;
}
}
VALUE
lib_eventloop_ensure(parent_evloop)
VALUE parent_evloop;
{
Tk_DeleteTimerHandler(timer_token);
timer_token = (Tcl_TimerToken)NULL;
DUMP2("eventloop-ensure: current-thread : %lx\n", rb_thread_current());
DUMP2("eventloop-ensure: eventloop-thread : %lx\n", eventloop_thread);
if (eventloop_thread == rb_thread_current()) {
DUMP2("eventloop-thread -> %lx\n", parent_evloop);
eventloop_thread = parent_evloop;
}
return Qnil;
}
static VALUE
lib_eventloop_launcher(check_rootwidget)
VALUE check_rootwidget;
{
VALUE parent_evloop = eventloop_thread;
eventloop_thread = rb_thread_current();
if (ruby_debug) {
fprintf(stderr, "tcltklib: eventloop-thread : %lx -> %lx\n",
parent_evloop, eventloop_thread);
}
return rb_ensure(lib_eventloop_main, check_rootwidget,
lib_eventloop_ensure, parent_evloop);
}
/* execute Tk_MainLoop */
static VALUE
lib_mainloop(argc, argv, self)
int argc;
VALUE *argv;
VALUE self;
{
VALUE check_rootwidget;
if (rb_scan_args(argc, argv, "01", &check_rootwidget) == 0) {
check_rootwidget = Qtrue;
} else if (RTEST(check_rootwidget)) {
check_rootwidget = Qtrue;
} else {
check_rootwidget = Qfalse;
}
return lib_eventloop_launcher(check_rootwidget);
}
static VALUE
ip_mainloop(argc, argv, self)
int argc;
VALUE *argv;
VALUE self;
{
struct tcltkip *ptr = get_ip(self);
/* ip is deleted? */
if (Tcl_InterpDeleted(ptr->ip)) {
DUMP1("ip is deleted");
return Qnil;
}
if (Tcl_GetMaster(ptr->ip) != (Tcl_Interp*)NULL) {
/* slave IP */
return Qnil;
}
return lib_mainloop(argc, argv, self);
}
VALUE
lib_watchdog_core(check_rootwidget)
VALUE check_rootwidget;
{
VALUE evloop;
int prev_val = -1;
int chance = 0;
int check = RTEST(check_rootwidget);
struct timeval t0, t1;
t0.tv_sec = (time_t)0;
t0.tv_usec = (time_t)((NO_THREAD_INTERRUPT_TIME)*1000.0);
t1.tv_sec = (time_t)0;
t1.tv_usec = (time_t)((WATCHDOG_INTERVAL)*1000.0);
/* check other watchdog thread */
if (watchdog_thread != 0) {
if (RTEST(rb_funcall(watchdog_thread, ID_stop_p, 0))) {
rb_funcall(watchdog_thread, ID_kill, 0);
} else {
return Qnil;
}
}
watchdog_thread = rb_thread_current();
/* watchdog start */
do {
if (eventloop_thread == 0
|| (loop_counter == prev_val
&& RTEST(rb_funcall(eventloop_thread, ID_stop_p, 0))
&& ++chance >= 3 )
) {
/* start new eventloop thread */
DUMP2("eventloop thread %lx is sleeping or dead",
eventloop_thread);
evloop = rb_thread_create(lib_eventloop_launcher,
(void*)&check_rootwidget);
DUMP2("create new eventloop thread %lx", evloop);
loop_counter = -1;
chance = 0;
rb_thread_run(evloop);
} else {
loop_counter = prev_val;
chance = 0;
if (event_loop_wait_event) {
rb_thread_wait_for(t0);
} else {
rb_thread_wait_for(t1);
}
/* rb_thread_schedule(); */
}
} while(!check || Tk_GetNumMainWindows() != 0);
return Qnil;
}
VALUE
lib_watchdog_ensure(arg)
VALUE arg;
{
eventloop_thread = 0; /* stop eventloops */
return Qnil;
}
static VALUE
lib_mainloop_watchdog(argc, argv, self)
int argc;
VALUE *argv;
VALUE self;
{
VALUE check_rootwidget;
if (rb_scan_args(argc, argv, "01", &check_rootwidget) == 0) {
check_rootwidget = Qtrue;
} else if (RTEST(check_rootwidget)) {
check_rootwidget = Qtrue;
} else {
check_rootwidget = Qfalse;
}
return rb_ensure(lib_watchdog_core, check_rootwidget,
lib_watchdog_ensure, Qnil);
}
static VALUE
ip_mainloop_watchdog(argc, argv, self)
int argc;
VALUE *argv;
VALUE self;
{
struct tcltkip *ptr = get_ip(self);
/* ip is deleted? */
if (Tcl_InterpDeleted(ptr->ip)) {
DUMP1("ip is deleted");
return Qnil;
}
if (Tcl_GetMaster(ptr->ip) != (Tcl_Interp*)NULL) {
/* slave IP */
return Qnil;
}
return lib_mainloop_watchdog(argc, argv, self);
}
static VALUE
lib_do_one_event_core(argc, argv, self, is_ip)
int argc;
VALUE *argv;
VALUE self;
int is_ip;
{
volatile VALUE vflags;
int flags;
int found_event;
if (rb_scan_args(argc, argv, "01", &vflags) == 0) {
flags = TCL_ALL_EVENTS | TCL_DONT_WAIT;
} else {
Check_Type(vflags, T_FIXNUM);
flags = FIX2INT(vflags);
}
if (rb_safe_level() >= 4 || (rb_safe_level() >=1 && OBJ_TAINTED(vflags))) {
flags |= TCL_DONT_WAIT;
}
if (is_ip) {
/* check IP */
struct tcltkip *ptr = get_ip(self);
/* ip is deleted? */
if (Tcl_InterpDeleted(ptr->ip)) {
DUMP1("ip is deleted");
return Qfalse;
}
if (Tcl_GetMaster(ptr->ip) != (Tcl_Interp*)NULL) {
/* slave IP */
flags |= TCL_DONT_WAIT;
}
}
/* found_event = Tcl_DoOneEvent(TCL_ALL_EVENTS | TCL_DONT_WAIT); */
found_event = Tcl_DoOneEvent(flags);
if (found_event) {
return Qtrue;
} else {
return Qfalse;
}
}
static VALUE
lib_do_one_event(argc, argv, self)
int argc;
VALUE *argv;
VALUE self;
{
return lib_do_one_event_core(argc, argv, self, 0);
}
static VALUE
ip_do_one_event(argc, argv, self)
int argc;
VALUE *argv;
VALUE self;
{
return lib_do_one_event_core(argc, argv, self, 0);
}
static void
ip_set_exc_message(interp, exc)
Tcl_Interp *interp;
VALUE exc;
{
char *buf;
Tcl_DString dstr;
volatile VALUE msg;
int thr_crit_bup;
#if TCL_MAJOR_VERSION > 8 || (TCL_MAJOR_VERSION == 8 && TCL_MINOR_VERSION > 0)
volatile VALUE enc;
Tcl_Encoding encoding;
#endif
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
msg = rb_funcall(exc, ID_message, 0, 0);
#if TCL_MAJOR_VERSION > 8 || (TCL_MAJOR_VERSION == 8 && TCL_MINOR_VERSION > 0)
enc = Qnil;
if (RTEST(rb_ivar_defined(exc, ID_at_enc))) {
enc = rb_ivar_get(exc, ID_at_enc);
}
if (NIL_P(enc) && RTEST(rb_ivar_defined(msg, ID_at_enc))) {
enc = rb_ivar_get(msg, ID_at_enc);
}
if (NIL_P(enc)) {
encoding = (Tcl_Encoding)NULL;
} else if (TYPE(enc) == T_STRING) {
encoding = Tcl_GetEncoding(interp, RSTRING(enc)->ptr);
} else {
enc = rb_funcall(enc, ID_to_s, 0, 0);
encoding = Tcl_GetEncoding(interp, RSTRING(enc)->ptr);
}
/* to avoid a garbled error message dialog */
buf = ALLOC_N(char, (RSTRING(msg)->len)+1);
strncpy(buf, RSTRING(msg)->ptr, RSTRING(msg)->len);
buf[RSTRING(msg)->len] = 0;
Tcl_DStringInit(&dstr);
Tcl_DStringFree(&dstr);
Tcl_ExternalToUtfDString(encoding, buf, RSTRING(msg)->len, &dstr);
Tcl_AppendResult(interp, Tcl_DStringValue(&dstr), (char*)NULL);
DUMP2("error message:%s", Tcl_DStringValue(&dstr));
free(buf);
#else /* TCL_VERSION <= 8.0 */
Tcl_AppendResult(interp, RSTRING(msg)->ptr, (char*)NULL);
#endif
rb_thread_critical = thr_crit_bup;
}
static VALUE
TkStringValue(obj)
VALUE obj;
{
switch(TYPE(obj)) {
case T_STRING:
return obj;
case T_NIL:
return rb_str_new2("");
case T_TRUE:
return rb_str_new2("1");
case T_FALSE:
return rb_str_new2("0");
case T_ARRAY:
return rb_funcall(obj, ID_join, 1, rb_str_new2(" "));
default:
if (rb_respond_to(obj, ID_to_s)) {
return rb_funcall(obj, ID_to_s, 0, 0);
}
}
return rb_funcall(obj, ID_inspect, 0, 0);
}
/* Tcl command `ruby'|`ruby_eval' */
static VALUE
ip_ruby_eval_rescue(failed, einfo)
VALUE failed;
VALUE einfo;
{
DUMP1("call ip_ruby_eval_rescue");
RARRAY(failed)->ptr[0] = einfo;
return Qnil;
}
struct eval_body_arg {
char *string;
VALUE failed;
};
static VALUE
ip_ruby_eval_body(arg)
struct eval_body_arg *arg;
{
volatile VALUE ret;
int status = 0;
int thr_crit_bup;
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
DUMP1("call ip_ruby_eval_body");
rb_trap_immediate = 0;
#if 0
ret = rb_rescue2(rb_eval_string, (VALUE)arg->string,
ip_ruby_eval_rescue, arg->failed,
rb_eStandardError, rb_eScriptError, rb_eSystemExit,
(VALUE)0);
#else
rb_thread_critical = Qfalse;
ret = rb_eval_string_protect(arg->string, &status);
rb_thread_critical = Qtrue;
if (status) {
char *errtype, *buf;
int errtype_len, len;
VALUE old_gc;
old_gc = rb_gc_disable();
switch(status) {
case TAG_RETURN:
errtype = "LocalJumpError: ";
errtype_len = strlen(errtype);
len = errtype_len + RSTRING(rb_obj_as_string(ruby_errinfo))->len;
buf = ALLOC_N(char, len + 1);
strncpy(buf, errtype, errtype_len);
strncpy(buf + errtype_len,
RSTRING(rb_obj_as_string(ruby_errinfo))->ptr,
RSTRING(rb_obj_as_string(ruby_errinfo))->len);
*(buf + len) = 0;
RARRAY(arg->failed)->ptr[0] = rb_exc_new2(eTkCallbackReturn, buf);
free(buf);
break;
case TAG_BREAK:
errtype = "LocalJumpError: ";
errtype_len = strlen(errtype);
len = errtype_len + RSTRING(rb_obj_as_string(ruby_errinfo))->len;
buf = ALLOC_N(char, len + 1);
strncpy(buf, errtype, errtype_len);
strncpy(buf + errtype_len,
RSTRING(rb_obj_as_string(ruby_errinfo))->ptr,
RSTRING(rb_obj_as_string(ruby_errinfo))->len);
*(buf + len) = 0;
RARRAY(arg->failed)->ptr[0] = rb_exc_new2(eTkCallbackBreak, buf);
free(buf);
break;
case TAG_NEXT:
errtype = "LocalJumpError: ";
errtype_len = strlen(errtype);
len = errtype_len + RSTRING(rb_obj_as_string(ruby_errinfo))->len;
buf = ALLOC_N(char, len + 1);
strncpy(buf, errtype, errtype_len);
strncpy(buf + errtype_len,
RSTRING(rb_obj_as_string(ruby_errinfo))->ptr,
RSTRING(rb_obj_as_string(ruby_errinfo))->len);
*(buf + len) = 0;
RARRAY(arg->failed)->ptr[0] = rb_exc_new2(eTkCallbackContinue,buf);
free(buf);
break;
case TAG_RETRY:
case TAG_REDO:
if (NIL_P(ruby_errinfo)) {
rb_jump_tag(status);
} else {
RARRAY(arg->failed)->ptr[0] = ruby_errinfo;
}
break;
case TAG_RAISE:
case TAG_FATAL:
if (NIL_P(ruby_errinfo)) {
RARRAY(arg->failed)->ptr[0]
= rb_exc_new2(rb_eException, "unknown exception");
} else {
RARRAY(arg->failed)->ptr[0] = ruby_errinfo;
}
break;
case TAG_THROW:
if (NIL_P(ruby_errinfo)) {
rb_jump_tag(TAG_THROW);
} else {
RARRAY(arg->failed)->ptr[0] = ruby_errinfo;
}
break;
default:
buf = ALLOC_N(char, 256);
sprintf(buf, "unknown loncaljmp status %d", status);
RARRAY(arg->failed)->ptr[0] = rb_exc_new2(rb_eException, buf);
free(buf);
break;
}
if (old_gc == Qfalse) rb_gc_enable();
ret = Qnil;
}
#endif
rb_thread_critical = thr_crit_bup;
return ret;
}
static VALUE
ip_ruby_eval_ensure(trapflag)
VALUE trapflag;
{
rb_trap_immediate = NUM2INT(trapflag);
return Qnil;
}
static int
#if TCL_MAJOR_VERSION >= 8
ip_ruby_eval(clientData, interp, argc, argv)
ClientData clientData;
Tcl_Interp *interp;
int argc;
Tcl_Obj *CONST argv[];
#else /* TCL_MAJOR_VERSION < 8 */
ip_ruby_eval(clientData, interp, argc, argv)
ClientData clientData;
Tcl_Interp *interp;
int argc;
char *argv[];
#endif
{
volatile VALUE res;
volatile VALUE exception = rb_ary_new2(1);
int old_trapflag;
struct eval_body_arg *arg;
int thr_crit_bup;
/* ruby command has 1 arg. */
if (argc != 2) {
rb_raise(rb_eArgError, "wrong number of arguments (%d for 1)",
argc - 1);
}
/* allocate */
arg = ALLOC(struct eval_body_arg);
/* get C string from Tcl object */
#if TCL_MAJOR_VERSION >= 8
{
char *str;
int len;
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
str = Tcl_GetStringFromObj(argv[1], &len);
arg->string = ALLOC_N(char, len + 1);
strncpy(arg->string, str, len);
arg->string[len] = 0;
rb_thread_critical = thr_crit_bup;
}
#else /* TCL_MAJOR_VERSION < 8 */
arg->string = argv[1];
#endif
/* arg.failed = 0; */
RARRAY(exception)->ptr[0] = Qnil;
RARRAY(exception)->len = 1;
arg->failed = exception;
/* evaluate the argument string by ruby */
DUMP2("rb_eval_string(%s)", arg->string);
old_trapflag = rb_trap_immediate;
#ifdef HAVE_NATIVETHREAD
if (!is_ruby_native_thread()) {
rb_bug("cross-thread violation on ip_ruby_eval()");
}
#endif
res = rb_ensure(ip_ruby_eval_body, (VALUE)arg,
ip_ruby_eval_ensure, INT2FIX(old_trapflag));
#if TCL_MAJOR_VERSION >= 8
free(arg->string);
#endif
free(arg);
/* status check */
/* if (arg.failed) { */
if (!NIL_P(RARRAY(exception)->ptr[0])) {
VALUE eclass;
volatile VALUE bt_ary;
volatile VALUE backtrace;
DUMP1("(rb_eval_string result) failed");
Tcl_ResetResult(interp);
res = RARRAY(exception)->ptr[0];
eclass = rb_obj_class(res);
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
DUMP1("set backtrace");
if (!NIL_P(bt_ary = rb_funcall(res, ID_backtrace, 0, 0))) {
backtrace = rb_ary_join(bt_ary, rb_str_new2("\n"));
StringValue(backtrace);
Tcl_AddErrorInfo(interp, RSTRING(backtrace)->ptr);
}
rb_thread_critical = thr_crit_bup;
if (eclass == eTkCallbackReturn) {
ip_set_exc_message(interp, res);
return TCL_RETURN;
} else if (eclass == eTkCallbackBreak) {
ip_set_exc_message(interp, res);
return TCL_BREAK;
} else if (eclass == eTkCallbackContinue) {
ip_set_exc_message(interp, res);
return TCL_CONTINUE;
} else if (eclass == rb_eSystemExit) {
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
/* Tcl_Eval(interp, "destroy ."); */
if (Tk_GetNumMainWindows() > 0) {
Tk_Window main_win = Tk_MainWindow(interp);
if (main_win != (Tk_Window)NULL) {
Tk_DestroyWindow(main_win);
}
}
/* StringValue(res); */
res = rb_funcall(res, ID_message, 0, 0);
Tcl_AppendResult(interp, RSTRING(res)->ptr, (char*)NULL);
rb_thread_critical = thr_crit_bup;
rb_raise(rb_eSystemExit, RSTRING(res)->ptr);
} else if (rb_obj_is_kind_of(res, eLocalJumpError)) {
VALUE reason = rb_ivar_get(res, ID_at_reason);
if (TYPE(reason) != T_SYMBOL) {
ip_set_exc_message(interp, res);
return TCL_ERROR;
}
if (SYM2ID(reason) == ID_return) {
ip_set_exc_message(interp, res);
return TCL_RETURN;
} else if (SYM2ID(reason) == ID_break) {
ip_set_exc_message(interp, res);
return TCL_BREAK;
} else if (SYM2ID(reason) == ID_next) {
ip_set_exc_message(interp, res);
return TCL_CONTINUE;
} else {
ip_set_exc_message(interp, res);
return TCL_ERROR;
}
} else {
ip_set_exc_message(interp, res);
return TCL_ERROR;
}
}
/* result must be string or nil */
if (NIL_P(res)) {
DUMP1("(rb_eval_string result) nil");
Tcl_ResetResult(interp);
return TCL_OK;
}
/* copy result to the tcl interpreter */
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
res = TkStringValue(res);
DUMP2("(rb_eval_string result) %s", RSTRING(res)->ptr);
DUMP1("Tcl_AppendResult");
Tcl_ResetResult(interp);
Tcl_AppendResult(interp, RSTRING(res)->ptr, (char *)NULL);
rb_thread_critical = thr_crit_bup;
return TCL_OK;
}
/* Tcl command `ruby_cmd' */
struct cmd_body_arg {
VALUE receiver;
ID method;
VALUE args;
VALUE failed;
};
static VALUE
ip_ruby_cmd_core(arg)
struct cmd_body_arg *arg;
{
volatile VALUE ret;
int thr_crit_bup;
DUMP1("call ip_ruby_cmd_core");
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qfalse;
ret = rb_apply(arg->receiver, arg->method, arg->args);
rb_thread_critical = thr_crit_bup;
DUMP1("finish ip_ruby_cmd_core");
return ret;
}
static VALUE
ip_ruby_cmd_rescue(failed, einfo)
VALUE failed;
VALUE einfo;
{
DUMP1("call ip_ruby_cmd_rescue");
RARRAY(failed)->ptr[0] = einfo;
return Qnil;
}
static VALUE
ip_ruby_cmd_body(arg)
struct cmd_body_arg *arg;
{
volatile VALUE ret;
int status = 0;
int thr_crit_bup;
VALUE old_gc;
volatile VALUE receiver = arg->receiver;
volatile VALUE args = arg->args;
volatile VALUE failed = arg->failed;
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
DUMP1("call ip_ruby_cmd_body");
rb_trap_immediate = 0;
#if 0
ret = rb_rescue2(ip_ruby_cmd_core, (VALUE)arg,
ip_ruby_cmd_rescue, arg->failed,
rb_eStandardError, rb_eScriptError, rb_eSystemExit,
(VALUE)0);
#else
ret = rb_protect(ip_ruby_cmd_core, (VALUE)arg, &status);
if (status) {
char *errtype, *buf;
int errtype_len, len;
old_gc = rb_gc_disable();
switch(status) {
case TAG_RETURN:
errtype = "LocalJumpError: ";
errtype_len = strlen(errtype);
len = errtype_len + RSTRING(rb_obj_as_string(ruby_errinfo))->len;
buf = ALLOC_N(char, len + 1);
strncpy(buf, errtype, errtype_len);
strncpy(buf + errtype_len,
RSTRING(rb_obj_as_string(ruby_errinfo))->ptr,
RSTRING(rb_obj_as_string(ruby_errinfo))->len);
*(buf + len) = 0;
RARRAY(arg->failed)->ptr[0] = rb_exc_new2(eTkCallbackReturn, buf);
free(buf);
break;
case TAG_BREAK:
errtype = "LocalJumpError: ";
errtype_len = strlen(errtype);
len = errtype_len + RSTRING(rb_obj_as_string(ruby_errinfo))->len;
buf = ALLOC_N(char, len + 1);
strncpy(buf, errtype, errtype_len);
strncpy(buf + errtype_len,
RSTRING(rb_obj_as_string(ruby_errinfo))->ptr,
RSTRING(rb_obj_as_string(ruby_errinfo))->len);
*(buf + len) = 0;
RARRAY(arg->failed)->ptr[0] = rb_exc_new2(eTkCallbackBreak, buf);
free(buf);
break;
case TAG_NEXT:
errtype = "LocalJumpError: ";
errtype_len = strlen(errtype);
len = errtype_len + RSTRING(rb_obj_as_string(ruby_errinfo))->len;
buf = ALLOC_N(char, len + 1);
strncpy(buf, errtype, errtype_len);
strncpy(buf + errtype_len,
RSTRING(rb_obj_as_string(ruby_errinfo))->ptr,
RSTRING(rb_obj_as_string(ruby_errinfo))->len);
*(buf + len) = 0;
RARRAY(arg->failed)->ptr[0] = rb_exc_new2(eTkCallbackContinue,buf);
free(buf);
break;
case TAG_RETRY:
case TAG_REDO:
if (NIL_P(ruby_errinfo)) {
rb_jump_tag(status);
} else {
RARRAY(arg->failed)->ptr[0] = ruby_errinfo;
}
break;
case TAG_RAISE:
case TAG_FATAL:
if (NIL_P(ruby_errinfo)) {
RARRAY(arg->failed)->ptr[0]
= rb_exc_new2(rb_eException, "unknown exception");
} else {
RARRAY(arg->failed)->ptr[0] = ruby_errinfo;
}
break;
case TAG_THROW:
if (NIL_P(ruby_errinfo)) {
rb_jump_tag(TAG_THROW);
} else {
RARRAY(arg->failed)->ptr[0] = ruby_errinfo;
}
break;
default:
buf = ALLOC_N(char, 256);
rb_warn(buf, "unknown loncaljmp status %d", status);
RARRAY(arg->failed)->ptr[0] = rb_exc_new2(rb_eException, buf);
free(buf);
break;
}
if (old_gc == Qfalse) rb_gc_enable();
ret = Qnil;
}
#endif
rb_thread_critical = thr_crit_bup;
DUMP1("finish ip_ruby_cmd_body");
return ret;
}
static VALUE
ip_ruby_cmd_ensure(trapflag)
VALUE trapflag;
{
rb_trap_immediate = NUM2INT(trapflag);
return Qnil;
}
/* ruby_cmd receiver method arg ... */
static int
#if TCL_MAJOR_VERSION >= 8
ip_ruby_cmd(clientData, interp, argc, argv)
ClientData clientData;
Tcl_Interp *interp;
int argc;
Tcl_Obj *CONST argv[];
#else /* TCL_MAJOR_VERSION < 8 */
ip_ruby_cmd(clientData, interp, argc, argv)
ClientData clientData;
Tcl_Interp *interp;
int argc;
char *argv[];
#endif
{
volatile VALUE res;
volatile VALUE receiver;
volatile ID method;
volatile VALUE args = rb_ary_new2(argc - 2);
volatile VALUE exception = rb_ary_new2(1);
char *str;
int i;
int len;
int old_trapflag;
struct cmd_body_arg *arg;
int thr_crit_bup;
VALUE old_gc;
if (argc < 3) {
rb_raise(rb_eArgError, "too few arguments");
}
/* allocate */
arg = ALLOC(struct cmd_body_arg);
/* get arguments from Tcl objects */
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
old_gc = rb_gc_disable();
/* get receiver */
#if TCL_MAJOR_VERSION >= 8
str = Tcl_GetStringFromObj(argv[1], &len);
#else /* TCL_MAJOR_VERSION < 8 */
str = argv[1];
#endif
DUMP2("receiver:%s",str);
if (str[0] == ':' || ('A' <= str[0] && str[0] <= 'Z')) {
/* class | module | constant */
receiver = rb_const_get(rb_cObject, rb_intern(str));
} else if (str[0] == '$') {
/* global variable */
receiver = rb_gv_get(str);
} else {
/* global variable omitted '$' */
char *buf;
len = strlen(str);
buf = ALLOC_N(char, len + 2);
buf[0] = '$';
strncpy(buf + 1, str, len);
buf[len + 1] = 0;
receiver = rb_gv_get(buf);
free(buf);
}
if (NIL_P(receiver)) {
rb_raise(rb_eArgError, "unknown class/module/global-variable '%s'",
str);
}
/* get metrhod */
#if TCL_MAJOR_VERSION >= 8
str = Tcl_GetStringFromObj(argv[2], &len);
#else /* TCL_MAJOR_VERSION < 8 */
str = argv[2];
#endif
method = rb_intern(str);
/* get args */
RARRAY(args)->len = 0;
for(i = 3; i < argc; i++) {
#if TCL_MAJOR_VERSION >= 8
str = Tcl_GetStringFromObj(argv[i], &len);
DUMP2("arg:%s",str);
RARRAY(args)->ptr[RARRAY(args)->len++] = rb_tainted_str_new(str, len);
#else /* TCL_MAJOR_VERSION < 8 */
DUMP2("arg:%s",argv[i]);
RARRAY(args)->ptr[RARRAY(args)->len++] = rb_tainted_str_new2(argv[i]);
#endif
}
if (old_gc == Qfalse) rb_gc_enable();
rb_thread_critical = thr_crit_bup;
RARRAY(exception)->ptr[0] = Qnil;
RARRAY(exception)->len = 1;
arg->receiver = receiver;
arg->method = method;
arg->args = args;
arg->failed = exception;
/* evaluate the argument string by ruby */
old_trapflag = rb_trap_immediate;
#ifdef HAVE_NATIVETHREAD
if (!is_ruby_native_thread()) {
rb_bug("cross-thread violation on ip_ruby_cmd()");
}
#endif
res = rb_ensure(ip_ruby_cmd_body, (VALUE)arg,
ip_ruby_cmd_ensure, INT2FIX(old_trapflag));
free(arg);
/* status check */
/* if (arg.failed) { */
if (!NIL_P(RARRAY(exception)->ptr[0])) {
VALUE eclass;
volatile VALUE bt_ary;
volatile VALUE backtrace;
DUMP1("(rb_eval_cmd result) failed");
Tcl_ResetResult(interp);
res = RARRAY(exception)->ptr[0];
eclass = rb_obj_class(res);
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
DUMP1("set backtrace");
if (!NIL_P(bt_ary = rb_funcall(res, ID_backtrace, 0, 0))) {
backtrace = rb_ary_join(bt_ary, rb_str_new2("\n"));
StringValue(backtrace);
Tcl_AddErrorInfo(interp, RSTRING(backtrace)->ptr);
}
rb_thread_critical = thr_crit_bup;
if (eclass == eTkCallbackReturn) {
ip_set_exc_message(interp, res);
return TCL_RETURN;
} else if (eclass == eTkCallbackBreak) {
ip_set_exc_message(interp, res);
return TCL_BREAK;
} else if (eclass == eTkCallbackContinue) {
ip_set_exc_message(interp, res);
return TCL_CONTINUE;
} else if (eclass == rb_eSystemExit) {
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
/* Tcl_Eval(interp, "destroy ."); */
if (Tk_GetNumMainWindows() > 0) {
Tk_Window main_win = Tk_MainWindow(interp);
if (main_win != (Tk_Window)NULL) {
Tk_DestroyWindow(main_win);
}
}
/* StringValue(res); */
res = rb_funcall(res, ID_message, 0, 0);
Tcl_AppendResult(interp, RSTRING(res)->ptr, (char*)NULL);
rb_thread_critical = thr_crit_bup;
rb_raise(rb_eSystemExit, RSTRING(res)->ptr);
} else if (rb_obj_is_kind_of(res, eLocalJumpError)) {
VALUE reason = rb_ivar_get(res, ID_at_reason);
if (TYPE(reason) != T_SYMBOL) {
ip_set_exc_message(interp, res);
return TCL_ERROR;
}
if (SYM2ID(reason) == ID_return) {
ip_set_exc_message(interp, res);
return TCL_RETURN;
} else if (SYM2ID(reason) == ID_break) {
ip_set_exc_message(interp, res);
return TCL_BREAK;
} else if (SYM2ID(reason) == ID_next) {
ip_set_exc_message(interp, res);
return TCL_CONTINUE;
} else {
ip_set_exc_message(interp, res);
return TCL_ERROR;
}
} else {
ip_set_exc_message(interp, res);
return TCL_ERROR;
}
}
/* result must be string or nil */
if (NIL_P(res)) {
DUMP1("(rb_eval_cmd result) nil");
Tcl_ResetResult(interp);
return TCL_OK;
}
/* copy result to the tcl interpreter */
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
old_gc = rb_gc_disable();
res = TkStringValue(res);
if (old_gc == Qfalse) rb_gc_enable();
DUMP2("(rb_eval_cmd result) '%s'", RSTRING(res)->ptr);
DUMP1("Tcl_AppendResult");
Tcl_ResetResult(interp);
Tcl_AppendResult(interp, RSTRING(res)->ptr, (char *)NULL);
rb_thread_critical = thr_crit_bup;
DUMP1("end of ip_ruby_cmd");
return TCL_OK;
}
static int
#if TCL_MAJOR_VERSION >= 8
ip_InterpExitObjCmd(clientData, interp, argc, argv)
ClientData clientData;
Tcl_Interp *interp;
int argc;
Tcl_Obj *CONST argv[];
#else /* TCL_MAJOR_VERSION < 8 */
ip_InterpExitCommand(clientData, interp, argc, argv)
ClientData clientData;
Tcl_Interp *interp;
int argc;
char *argv[];
#endif
{
if (!Tcl_InterpDeleted(interp)) {
Tcl_Preserve(interp);
Tcl_Eval(interp, "interp eval {} {destroy .}; interp delete {}");
Tcl_Release(interp);
}
return TCL_OK;
}
static int
#if TCL_MAJOR_VERSION >= 8
ip_RubyExitObjCmd(clientData, interp, argc, argv)
ClientData clientData;
Tcl_Interp *interp;
int argc;
Tcl_Obj *CONST argv[];
#else /* TCL_MAJOR_VERSION < 8 */
ip_RubyExitCommand(clientData, interp, argc, argv)
ClientData clientData;
Tcl_Interp *interp;
int argc;
char *argv[];
#endif
{
int state;
char *cmd, *param;
#if TCL_MAJOR_VERSION >= 8
cmd = Tcl_GetString(argv[0]);
#else /* TCL_MAJOR_VERSION < 8 */
char *endptr;
cmd = argv[0];
#endif
if (rb_safe_level() >= 4) {
rb_raise(rb_eSecurityError,
"Insecure operation `exit' at level %d",
rb_safe_level());
} else if (Tcl_IsSafe(interp)) {
rb_raise(rb_eSecurityError,
"Insecure operation `exit' on a safe interpreter");
#if 0
} else if (Tcl_GetMaster(interp) != (Tcl_Interp *)NULL) {
Tcl_Preserve(interp);
Tcl_Eval(interp, "interp eval {} {destroy .}");
Tcl_Eval(interp, "interp delete {}");
Tcl_Release(interp);
return TCL_OK;
#endif
}
Tcl_ResetResult(interp);
switch(argc) {
case 1:
rb_exit(0); /* not return if succeed */
Tcl_AppendResult(interp,
"fail to call \"", cmd, "\"", (char *)NULL);
return TCL_ERROR;
case 2:
#if TCL_MAJOR_VERSION >= 8
if (!Tcl_GetIntFromObj(interp, argv[1], &state)) {
return TCL_ERROR;
}
param = Tcl_GetString(argv[1]);
#else /* TCL_MAJOR_VERSION < 8 */
state = (int)strtol(argv[1], &endptr, 0);
if (endptr) {
Tcl_AppendResult(interp,
"expected integer but got \"",
argv[1], "\"", (char *)NULL);
}
param = argv[1];
#endif
rb_exit(state); /* not return if succeed */
Tcl_AppendResult(interp, "fail to call \"", cmd, " ",
param, "\"", (char *)NULL);
return TCL_ERROR;
default:
/* arguemnt error */
Tcl_AppendResult(interp,
"wrong number of arguments: should be \"",
cmd, " ?returnCode?\"", (char *)NULL);
return TCL_ERROR;
}
}
/**************************/
/* based on tclEvent.c */
/**************************/
#if 0 /*
Disable the following "update" and "thread_update". Bcause,
they don't work in a callback-proc. After calling update in
a callback-proc, the callback proc never be worked.
If the problem will be fixed in the future, may enable the
functions.
*/
/*********************/
/* replace of update */
/*********************/
#if TCL_MAJOR_VERSION >= 8
static int ip_rbUpdateObjCmd _((ClientData, Tcl_Interp *, int,
Tcl_Obj *CONST []));
static int
ip_rbUpdateObjCmd(clientData, interp, objc, objv)
ClientData clientData;
Tcl_Interp *interp;
int objc;
Tcl_Obj *CONST objv[];
#else /* TCL_MAJOR_VERSION < 8 */
static int ip_rbUpdateCommand _((ClientData, Tcl_Interp *, int, char *[]));
static int
ip_rbUpdateCommand(clientData, interp, objc, objv)
ClientData clientData;
Tcl_Interp *interp;
int objc;
char *objv[];
#endif
{
int optionIndex;
int ret, done;
int flags = 0;
static CONST char *updateOptions[] = {"idletasks", (char *) NULL};
enum updateOptions {REGEXP_IDLETASKS};
char *nameString;
int dummy;
DUMP1("Ruby's 'update' is called");
if (objc == 1) {
flags = TCL_ALL_EVENTS|TCL_DONT_WAIT;
} else if (objc == 2) {
if (Tcl_GetIndexFromObj(interp, objv[1], updateOptions,
"option", 0, &optionIndex) != TCL_OK) {
return TCL_ERROR;
}
switch ((enum updateOptions) optionIndex) {
case REGEXP_IDLETASKS: {
flags = TCL_WINDOW_EVENTS|TCL_IDLE_EVENTS|TCL_DONT_WAIT;
break;
}
default: {
Tcl_Panic("ip_rbUpdateObjCmd: bad option index to UpdateOptions");
}
}
} else {
#ifdef Tcl_WrongNumArgs
Tcl_WrongNumArgs(interp, 1, objv, "[ idletasks ]");
#else
# if TCL_MAJOR_VERSION >= 8
Tcl_AppendResult(interp, "wrong number of arguments: should be \"",
Tcl_GetStringFromObj(objv[0], &dummy),
" [ idletasks ]\"",
(char *) NULL);
# else /* TCL_MAJOR_VERSION < 8 */
Tcl_AppendResult(interp, "wrong number of arguments: should be \"",
objv[0], " [ idletasks ]\"", (char *) NULL);
# endif
#endif
return TCL_ERROR;
}
/* call eventloop */
#if 1
ret = lib_eventloop_core(0, flags, (int *)NULL); /* ignore result */
#else
Tcl_UpdateObjCmd(clientData, interp, objc, objv);
#endif
/*
* Must clear the interpreter's result because event handlers could
* have executed commands.
*/
DUMP2("last result '%s'", Tcl_GetStringResult(interp));
Tcl_ResetResult(interp);
DUMP1("finish Ruby's 'update'");
return TCL_OK;
}
/**********************/
/* update with thread */
/**********************/
struct th_update_param {
VALUE thread;
int done;
};
static void rb_threadUpdateProc _((ClientData));
static void
rb_threadUpdateProc(clientData)
ClientData clientData; /* Pointer to integer to set to 1. */
{
struct th_update_param *param = (struct th_update_param *) clientData;
DUMP1("threadUpdateProc is called");
param->done = 1;
rb_thread_wakeup(param->thread);
return;
}
#if TCL_MAJOR_VERSION >= 8
static int ip_rb_threadUpdateObjCmd _((ClientData, Tcl_Interp *, int,
Tcl_Obj *CONST []));
static int
ip_rb_threadUpdateObjCmd(clientData, interp, objc, objv)
ClientData clientData;
Tcl_Interp *interp;
int objc;
Tcl_Obj *CONST objv[];
#else /* TCL_MAJOR_VERSION < 8 */
static int ip_rb_threadUpdateCommand _((ClientData, Tcl_Interp *, int,
char *[]));
static int
ip_rb_threadUpdateCommand(clientData, interp, objc, objv)
ClientData clientData;
Tcl_Interp *interp;
int objc;
char *objv[];
#endif
{
int optionIndex;
int ret, done;
int flags = 0;
int dummy;
struct th_update_param *param;
static CONST char *updateOptions[] = {"idletasks", (char *) NULL};
enum updateOptions {REGEXP_IDLETASKS};
volatile VALUE current_thread = rb_thread_current();
DUMP1("Ruby's 'thread_update' is called");
if (rb_thread_alone() || eventloop_thread == current_thread) {
#define USE_TCL_UPDATE 0
#if TCL_MAJOR_VERSION >= 8
# if USE_TCL_UPDATE
DUMP1("call Tcl_UpdateObjCmd");
return Tcl_UpdateObjCmd(clientData, interp, objc, objv);
# else
DUMP1("call ip_rbUpdateObjCmd");
return ip_rbUpdateObjCmd(clientData, interp, objc, objv);
# endif
#else /* TCL_MAJOR_VERSION < 8 */
# if USE_TCL_UPDATE
DUMP1("call ip_rbUpdateCommand");
return Tcl_UpdateCommand(clientData, interp, objc, objv);
# else
DUMP1("call ip_rbUpdateCommand");
return ip_rbUpdateCommand(clientData, interp, objc, objv);
# endif
#endif
}
DUMP1("start Ruby's 'thread_update' body");
if (objc == 1) {
flags = TCL_ALL_EVENTS|TCL_DONT_WAIT;
} else if (objc == 2) {
if (Tcl_GetIndexFromObj(interp, objv[1], updateOptions,
"option", 0, &optionIndex) != TCL_OK) {
return TCL_ERROR;
}
switch ((enum updateOptions) optionIndex) {
case REGEXP_IDLETASKS: {
flags = TCL_WINDOW_EVENTS|TCL_IDLE_EVENTS|TCL_DONT_WAIT;
break;
}
default: {
Tcl_Panic("ip_rb_threadUpdateObjCmd: bad option index to UpdateOptions");
}
}
} else {
#ifdef Tcl_WrongNumArgs
Tcl_WrongNumArgs(interp, 1, objv, "[ idletasks ]");
#else
# if TCL_MAJOR_VERSION >= 8
Tcl_AppendResult(interp, "wrong number of arguments: should be \"",
Tcl_GetStringFromObj(objv[0], &dummy),
" [ idletasks ]\"",
(char *) NULL);
# else /* TCL_MAJOR_VERSION < 8 */
Tcl_AppendResult(interp, "wrong number of arguments: should be \"",
objv[0], " [ idletasks ]\"", (char *) NULL);
# endif
#endif
return TCL_ERROR;
}
DUMP1("pass argument check");
param = (struct th_update_param *)Tcl_Alloc(sizeof(struct th_update_param));
Tcl_Preserve(param);
param->thread = current_thread;
param->done = 0;
DUMP1("set idle proc");
Tcl_DoWhenIdle(rb_threadUpdateProc, (ClientData) param);
while(!param->done) {
DUMP1("wait for complete idle proc");
rb_thread_stop();
}
Tcl_Release(param);
Tcl_Free((char *)param);
DUMP1("finish Ruby's 'thread_update'");
return TCL_OK;
}
#endif /* update and thread_update don't work */
/***************************/
/* replace of vwait/tkwait */
/***************************/
#if TCL_MAJOR_VERSION >= 8
static char *VwaitVarProc _((ClientData, Tcl_Interp *,
CONST84 char *,CONST84 char *, int));
static char *
VwaitVarProc(clientData, interp, name1, name2, flags)
ClientData clientData; /* Pointer to integer to set to 1. */
Tcl_Interp *interp; /* Interpreter containing variable. */
CONST84 char *name1; /* Name of variable. */
CONST84 char *name2; /* Second part of variable name. */
int flags; /* Information about what happened. */
#else /* TCL_MAJOR_VERSION < 8 */
static char *VwaitVarProc _((ClientData, Tcl_Interp *, char *, char *, int));
static char *
VwaitVarProc(clientData, interp, name1, name2, flags)
ClientData clientData; /* Pointer to integer to set to 1. */
Tcl_Interp *interp; /* Interpreter containing variable. */
char *name1; /* Name of variable. */
char *name2; /* Second part of variable name. */
int flags; /* Information about what happened. */
#endif
{
int *donePtr = (int *) clientData;
*donePtr = 1;
return (char *) NULL;
}
#if TCL_MAJOR_VERSION >= 8
static int ip_rbVwaitObjCmd _((ClientData, Tcl_Interp *, int,
Tcl_Obj *CONST []));
static int
ip_rbVwaitObjCmd(clientData, interp, objc, objv)
ClientData clientData;
Tcl_Interp *interp;
int objc;
Tcl_Obj *CONST objv[];
#else /* TCL_MAJOR_VERSION < 8 */
static int ip_rbVwaitCommand _((ClientData, Tcl_Interp *, int, char *[]));
static int
ip_rbVwaitCommand(clientData, interp, objc, objv)
ClientData clientData;
Tcl_Interp *interp;
int objc;
char *objv[];
#endif
{
int ret, done, foundEvent;
char *nameString;
int dummy;
int thr_crit_bup;
DUMP1("Ruby's 'vwait' is called");
Tcl_Preserve(interp);
if (objc != 2) {
#ifdef Tcl_WrongNumArgs
Tcl_WrongNumArgs(interp, 1, objv, "name");
#else
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
#if TCL_MAJOR_VERSION >= 8
/* nameString = Tcl_GetString(objv[0]); */
nameString = Tcl_GetStringFromObj(objv[0], &dummy);
#else /* TCL_MAJOR_VERSION < 8 */
nameString = objv[0];
#endif
Tcl_AppendResult(interp, "wrong number of arguments: should be \"",
nameString, " name\"", (char *) NULL);
rb_thread_critical = thr_crit_bup;
#endif
Tcl_Release(interp);
return TCL_ERROR;
}
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
#if TCL_MAJOR_VERSION >= 8
Tcl_IncrRefCount(objv[1]);
/* nameString = Tcl_GetString(objv[1]); */
nameString = Tcl_GetStringFromObj(objv[1], &dummy);
#else /* TCL_MAJOR_VERSION < 8 */
nameString = objv[1];
#endif
/*
if (Tcl_TraceVar(interp, nameString,
TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
VwaitVarProc, (ClientData) &done) != TCL_OK) {
return TCL_ERROR;
}
*/
ret = Tcl_TraceVar(interp, nameString,
TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
VwaitVarProc, (ClientData) &done);
rb_thread_critical = thr_crit_bup;
if (ret != TCL_OK) {
#if TCL_MAJOR_VERSION >= 8
Tcl_DecrRefCount(objv[1]);
#endif
Tcl_Release(interp);
return TCL_ERROR;
}
done = 0;
foundEvent = lib_eventloop_core(/* not check root-widget */0, 0, &done);
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
Tcl_UntraceVar(interp, nameString,
TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
VwaitVarProc, (ClientData) &done);
rb_thread_critical = thr_crit_bup;
/*
* Clear out the interpreter's result, since it may have been set
* by event handlers.
*/
Tcl_ResetResult(interp);
if (!foundEvent) {
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
Tcl_AppendResult(interp, "can't wait for variable \"", nameString,
"\": would wait forever", (char *) NULL);
rb_thread_critical = thr_crit_bup;
#if TCL_MAJOR_VERSION >= 8
Tcl_DecrRefCount(objv[1]);
#endif
Tcl_Release(interp);
return TCL_ERROR;
}
#if TCL_MAJOR_VERSION >= 8
Tcl_DecrRefCount(objv[1]);
#endif
Tcl_Release(interp);
return TCL_OK;
}
/**************************/
/* based on tkCmd.c */
/**************************/
#if TCL_MAJOR_VERSION >= 8
static char *WaitVariableProc _((ClientData, Tcl_Interp *,
CONST84 char *,CONST84 char *, int));
static char *
WaitVariableProc(clientData, interp, name1, name2, flags)
ClientData clientData; /* Pointer to integer to set to 1. */
Tcl_Interp *interp; /* Interpreter containing variable. */
CONST84 char *name1; /* Name of variable. */
CONST84 char *name2; /* Second part of variable name. */
int flags; /* Information about what happened. */
#else /* TCL_MAJOR_VERSION < 8 */
static char *WaitVariableProc _((ClientData, Tcl_Interp *,
char *, char *, int));
static char *
WaitVariableProc(clientData, interp, name1, name2, flags)
ClientData clientData; /* Pointer to integer to set to 1. */
Tcl_Interp *interp; /* Interpreter containing variable. */
char *name1; /* Name of variable. */
char *name2; /* Second part of variable name. */
int flags; /* Information about what happened. */
#endif
{
int *donePtr = (int *) clientData;
*donePtr = 1;
return (char *) NULL;
}
static void WaitVisibilityProc _((ClientData, XEvent *));
static void
WaitVisibilityProc(clientData, eventPtr)
ClientData clientData; /* Pointer to integer to set to 1. */
XEvent *eventPtr; /* Information about event (not used). */
{
int *donePtr = (int *) clientData;
if (eventPtr->type == VisibilityNotify) {
*donePtr = 1;
}
if (eventPtr->type == DestroyNotify) {
*donePtr = 2;
}
}
static void WaitWindowProc _((ClientData, XEvent *));
static void
WaitWindowProc(clientData, eventPtr)
ClientData clientData; /* Pointer to integer to set to 1. */
XEvent *eventPtr; /* Information about event. */
{
int *donePtr = (int *) clientData;
if (eventPtr->type == DestroyNotify) {
*donePtr = 1;
}
}
#if TCL_MAJOR_VERSION >= 8
static int ip_rbTkWaitObjCmd _((ClientData, Tcl_Interp *, int,
Tcl_Obj *CONST []));
static int
ip_rbTkWaitObjCmd(clientData, interp, objc, objv)
ClientData clientData;
Tcl_Interp *interp;
int objc;
Tcl_Obj *CONST objv[];
#else /* TCL_MAJOR_VERSION < 8 */
static int ip_rbTkWaitCommand _((ClientData, Tcl_Interp *, int, char *[]));
static int
ip_rbTkWaitCommand(clientData, interp, objc, objv)
ClientData clientData;
Tcl_Interp *interp;
int objc;
char *objv[];
#endif
{
Tk_Window tkwin = (Tk_Window) clientData;
Tk_Window window;
int done, index;
static CONST char *optionStrings[] = { "variable", "visibility", "window",
(char *) NULL };
enum options { TKWAIT_VARIABLE, TKWAIT_VISIBILITY, TKWAIT_WINDOW };
char *nameString;
int ret, dummy;
int thr_crit_bup;
DUMP1("Ruby's 'tkwait' is called");
Tcl_Preserve(interp);
if (objc != 3) {
#ifdef Tcl_WrongNumArgs
Tcl_WrongNumArgs(interp, 1, objv, "variable|visibility|window name");
#else
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
#if TCL_MAJOR_VERSION >= 8
Tcl_AppendResult(interp, "wrong number of arguments: should be \"",
Tcl_GetStringFromObj(objv[0], &dummy),
" variable|visibility|window name\"",
(char *) NULL);
#else /* TCL_MAJOR_VERSION < 8 */
Tcl_AppendResult(interp, "wrong number of arguments: should be \"",
objv[0], " variable|visibility|window name\"",
(char *) NULL);
#endif
rb_thread_critical = thr_crit_bup;
#endif
Tcl_Release(interp);
return TCL_ERROR;
}
#if TCL_MAJOR_VERSION >= 8
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
/*
if (Tcl_GetIndexFromObj(interp, objv[1],
(CONST84 char **)optionStrings,
"option", 0, &index) != TCL_OK) {
return TCL_ERROR;
}
*/
ret = Tcl_GetIndexFromObj(interp, objv[1],
(CONST84 char **)optionStrings,
"option", 0, &index);
rb_thread_critical = thr_crit_bup;
if (ret != TCL_OK) {
Tcl_Release(interp);
return TCL_ERROR;
}
#else /* TCL_MAJOR_VERSION < 8 */
{
int c = objv[1][0];
size_t length = strlen(objv[1]);
if ((c == 'v') && (strncmp(objv[1], "variable", length) == 0)
&& (length >= 2)) {
index = TKWAIT_VARIABLE;
} else if ((c == 'v') && (strncmp(objv[1], "visibility", length) == 0)
&& (length >= 2)) {
index = TKWAIT_VISIBILITY;
} else if ((c == 'w') && (strncmp(objv[1], "window", length) == 0)) {
index = TKWAIT_WINDOW;
} else {
Tcl_AppendResult(interp, "bad option \"", objv[1],
"\": must be variable, visibility, or window",
(char *) NULL);
Tcl_Release(interp);
return TCL_ERROR;
}
}
#endif
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
#if TCL_MAJOR_VERSION >= 8
Tcl_IncrRefCount(objv[2]);
/* nameString = Tcl_GetString(objv[2]); */
nameString = Tcl_GetStringFromObj(objv[2], &dummy);
#else /* TCL_MAJOR_VERSION < 8 */
nameString = objv[2];
#endif
rb_thread_critical = thr_crit_bup;
switch ((enum options) index) {
case TKWAIT_VARIABLE:
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
/*
if (Tcl_TraceVar(interp, nameString,
TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
WaitVariableProc, (ClientData) &done) != TCL_OK) {
return TCL_ERROR;
}
*/
ret = Tcl_TraceVar(interp, nameString,
TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
WaitVariableProc, (ClientData) &done);
rb_thread_critical = thr_crit_bup;
if (ret != TCL_OK) {
#if TCL_MAJOR_VERSION >= 8
Tcl_DecrRefCount(objv[2]);
#endif
Tcl_Release(interp);
return TCL_ERROR;
}
done = 0;
lib_eventloop_core(check_rootwidget_flag, 0, &done);
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
Tcl_UntraceVar(interp, nameString,
TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
WaitVariableProc, (ClientData) &done);
#if TCL_MAJOR_VERSION >= 8
Tcl_DecrRefCount(objv[2]);
#endif
rb_thread_critical = thr_crit_bup;
break;
case TKWAIT_VISIBILITY:
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
if (Tk_MainWindow(interp) == (Tk_Window)NULL) {
window = NULL;
} else {
window = Tk_NameToWindow(interp, nameString, tkwin);
}
if (window == NULL) {
rb_thread_critical = thr_crit_bup;
#if TCL_MAJOR_VERSION >= 8
Tcl_DecrRefCount(objv[2]);
#endif
Tcl_Release(interp);
return TCL_ERROR;
}
Tk_CreateEventHandler(window,
VisibilityChangeMask|StructureNotifyMask,
WaitVisibilityProc, (ClientData) &done);
rb_thread_critical = thr_crit_bup;
done = 0;
lib_eventloop_core(check_rootwidget_flag, 0, &done);
if (done != 1) {
/*
* Note that we do not delete the event handler because it
* was deleted automatically when the window was destroyed.
*/
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
Tcl_ResetResult(interp);
Tcl_AppendResult(interp, "window \"", nameString,
"\" was deleted before its visibility changed",
(char *) NULL);
rb_thread_critical = thr_crit_bup;
#if TCL_MAJOR_VERSION >= 8
Tcl_DecrRefCount(objv[2]);
#endif
Tcl_Release(interp);
return TCL_ERROR;
}
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
#if TCL_MAJOR_VERSION >= 8
Tcl_DecrRefCount(objv[2]);
#endif
Tk_DeleteEventHandler(window,
VisibilityChangeMask|StructureNotifyMask,
WaitVisibilityProc, (ClientData) &done);
rb_thread_critical = thr_crit_bup;
break;
case TKWAIT_WINDOW:
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
if (Tk_MainWindow(interp) == (Tk_Window)NULL) {
window = NULL;
} else {
window = Tk_NameToWindow(interp, nameString, tkwin);
}
#if TCL_MAJOR_VERSION >= 8
Tcl_DecrRefCount(objv[2]);
#endif
if (window == NULL) {
rb_thread_critical = thr_crit_bup;
Tcl_Release(interp);
return TCL_ERROR;
}
Tk_CreateEventHandler(window, StructureNotifyMask,
WaitWindowProc, (ClientData) &done);
rb_thread_critical = thr_crit_bup;
done = 0;
lib_eventloop_core(check_rootwidget_flag, 0, &done);
/*
* Note: there's no need to delete the event handler. It was
* deleted automatically when the window was destroyed.
*/
break;
}
/*
* Clear out the interpreter's result, since it may have been set
* by event handlers.
*/
Tcl_ResetResult(interp);
Tcl_Release(interp);
return TCL_OK;
}
/****************************/
/* vwait/tkwait with thread */
/****************************/
struct th_vwait_param {
VALUE thread;
int done;
};
#if TCL_MAJOR_VERSION >= 8
static char *rb_threadVwaitProc _((ClientData, Tcl_Interp *,
CONST84 char *,CONST84 char *, int));
static char *
rb_threadVwaitProc(clientData, interp, name1, name2, flags)
ClientData clientData; /* Pointer to integer to set to 1. */
Tcl_Interp *interp; /* Interpreter containing variable. */
CONST84 char *name1; /* Name of variable. */
CONST84 char *name2; /* Second part of variable name. */
int flags; /* Information about what happened. */
#else /* TCL_MAJOR_VERSION < 8 */
static char *rb_threadVwaitProc _((ClientData, Tcl_Interp *,
char *, char *, int));
static char *
rb_threadVwaitProc(clientData, interp, name1, name2, flags)
ClientData clientData; /* Pointer to integer to set to 1. */
Tcl_Interp *interp; /* Interpreter containing variable. */
char *name1; /* Name of variable. */
char *name2; /* Second part of variable name. */
int flags; /* Information about what happened. */
#endif
{
struct th_vwait_param *param = (struct th_vwait_param *) clientData;
if (flags & (TCL_INTERP_DESTROYED | TCL_TRACE_DESTROYED)) {
param->done = -1;
} else {
param->done = 1;
}
rb_thread_wakeup(param->thread);
return (char *)NULL;
}
#define TKWAIT_MODE_VISIBILITY 1
#define TKWAIT_MODE_DESTROY 2
static void rb_threadWaitVisibilityProc _((ClientData, XEvent *));
static void
rb_threadWaitVisibilityProc(clientData, eventPtr)
ClientData clientData; /* Pointer to integer to set to 1. */
XEvent *eventPtr; /* Information about event (not used). */
{
struct th_vwait_param *param = (struct th_vwait_param *) clientData;
if (eventPtr->type == VisibilityNotify) {
param->done = TKWAIT_MODE_VISIBILITY;
}
if (eventPtr->type == DestroyNotify) {
param->done = TKWAIT_MODE_DESTROY;
}
rb_thread_wakeup(param->thread);
}
static void rb_threadWaitWindowProc _((ClientData, XEvent *));
static void
rb_threadWaitWindowProc(clientData, eventPtr)
ClientData clientData; /* Pointer to integer to set to 1. */
XEvent *eventPtr; /* Information about event. */
{
struct th_vwait_param *param = (struct th_vwait_param *) clientData;
if (eventPtr->type == DestroyNotify) {
param->done = TKWAIT_MODE_DESTROY;
}
rb_thread_wakeup(param->thread);
}
#if TCL_MAJOR_VERSION >= 8
static int ip_rb_threadVwaitObjCmd _((ClientData, Tcl_Interp *, int,
Tcl_Obj *CONST []));
static int
ip_rb_threadVwaitObjCmd(clientData, interp, objc, objv)
ClientData clientData;
Tcl_Interp *interp;
int objc;
Tcl_Obj *CONST objv[];
#else /* TCL_MAJOR_VERSION < 8 */
static int ip_rb_threadVwaitCommand _((ClientData, Tcl_Interp *, int,
char *[]));
static int
ip_rb_threadVwaitCommand(clientData, interp, objc, objv)
ClientData clientData;
Tcl_Interp *interp;
int objc;
char *objv[];
#endif
{
struct th_vwait_param *param;
char *nameString;
int ret, dummy;
int thr_crit_bup;
volatile VALUE current_thread = rb_thread_current();
DUMP1("Ruby's 'thread_vwait' is called");
if (rb_thread_alone() || eventloop_thread == current_thread) {
#if TCL_MAJOR_VERSION >= 8
DUMP1("call ip_rbVwaitObjCmd");
return ip_rbVwaitObjCmd(clientData, interp, objc, objv);
#else /* TCL_MAJOR_VERSION < 8 */
DUMP1("call ip_rbVwaitCommand");
return ip_rbVwaitCommand(clientData, interp, objc, objv);
#endif
}
Tcl_Preserve(interp);
if (objc != 2) {
#ifdef Tcl_WrongNumArgs
Tcl_WrongNumArgs(interp, 1, objv, "name");
#else
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
#if TCL_MAJOR_VERSION >= 8
/* nameString = Tcl_GetString(objv[0]); */
nameString = Tcl_GetStringFromObj(objv[0], &dummy);
#else /* TCL_MAJOR_VERSION < 8 */
nameString = objv[0];
#endif
Tcl_AppendResult(interp, "wrong number of arguments: should be \"",
nameString, " name\"", (char *) NULL);
rb_thread_critical = thr_crit_bup;
#endif
Tcl_Release(interp);
return TCL_ERROR;
}
#if TCL_MAJOR_VERSION >= 8
Tcl_IncrRefCount(objv[1]);
/* nameString = Tcl_GetString(objv[1]); */
nameString = Tcl_GetStringFromObj(objv[1], &dummy);
#else /* TCL_MAJOR_VERSION < 8 */
nameString = objv[1];
#endif
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
param = (struct th_vwait_param *)Tcl_Alloc(sizeof(struct th_vwait_param));
Tcl_Preserve(param);
param->thread = current_thread;
param->done = 0;
/*
if (Tcl_TraceVar(interp, nameString,
TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
rb_threadVwaitProc, (ClientData) param) != TCL_OK) {
return TCL_ERROR;
}
*/
ret = Tcl_TraceVar(interp, nameString,
TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
rb_threadVwaitProc, (ClientData) param);
rb_thread_critical = thr_crit_bup;
if (ret != TCL_OK) {
#if TCL_MAJOR_VERSION >= 8
Tcl_DecrRefCount(objv[1]);
#endif
Tcl_Release(interp);
return TCL_ERROR;
}
/* if (!param->done) { */
while(!param->done) {
rb_thread_stop();
}
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
if (param->done > 0) {
Tcl_UntraceVar(interp, nameString,
TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
rb_threadVwaitProc, (ClientData) param);
}
Tcl_Release(param);
Tcl_Free((char *)param);
rb_thread_critical = thr_crit_bup;
#if TCL_MAJOR_VERSION >= 8
Tcl_DecrRefCount(objv[1]);
#endif
Tcl_Release(interp);
return TCL_OK;
}
#if TCL_MAJOR_VERSION >= 8
static int ip_rb_threadTkWaitObjCmd _((ClientData, Tcl_Interp *, int,
Tcl_Obj *CONST []));
static int
ip_rb_threadTkWaitObjCmd(clientData, interp, objc, objv)
ClientData clientData;
Tcl_Interp *interp;
int objc;
Tcl_Obj *CONST objv[];
#else /* TCL_MAJOR_VERSION < 8 */
static int ip_rb_threadTkWaitCommand _((ClientData, Tcl_Interp *, int,
char *[]));
static int
ip_rb_threadTkWaitCommand(clientData, interp, objc, objv)
ClientData clientData;
Tcl_Interp *interp;
int objc;
char *objv[];
#endif
{
struct th_vwait_param *param;
Tk_Window tkwin = (Tk_Window) clientData;
Tk_Window window;
int index;
static CONST char *optionStrings[] = { "variable", "visibility", "window",
(char *) NULL };
enum options { TKWAIT_VARIABLE, TKWAIT_VISIBILITY, TKWAIT_WINDOW };
char *nameString;
int ret, dummy;
int thr_crit_bup;
volatile VALUE current_thread = rb_thread_current();
DUMP1("Ruby's 'thread_tkwait' is called");
if (rb_thread_alone() || eventloop_thread == current_thread) {
#if TCL_MAJOR_VERSION >= 8
DUMP1("call ip_rbTkWaitObjCmd");
return ip_rbTkWaitObjCmd(clientData, interp, objc, objv);
#else /* TCL_MAJOR_VERSION < 8 */
DUMP1("call rb_VwaitCommand");
return ip_rbTkWaitCommand(clientData, interp, objc, objv);
#endif
}
Tcl_Preserve(interp);
Tcl_Preserve(tkwin);
if (objc != 3) {
#ifdef Tcl_WrongNumArgs
Tcl_WrongNumArgs(interp, 1, objv, "variable|visibility|window name");
#else
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
#if TCL_MAJOR_VERSION >= 8
Tcl_AppendResult(interp, "wrong number of arguments: should be \"",
Tcl_GetStringFromObj(objv[0], &dummy),
" variable|visibility|window name\"",
(char *) NULL);
#else /* TCL_MAJOR_VERSION < 8 */
Tcl_AppendResult(interp, "wrong number of arguments: should be \"",
objv[0], " variable|visibility|window name\"",
(char *) NULL);
#endif
rb_thread_critical = thr_crit_bup;
#endif
Tcl_Release(tkwin);
Tcl_Release(interp);
return TCL_ERROR;
}
#if TCL_MAJOR_VERSION >= 8
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
/*
if (Tcl_GetIndexFromObj(interp, objv[1],
(CONST84 char **)optionStrings,
"option", 0, &index) != TCL_OK) {
return TCL_ERROR;
}
*/
ret = Tcl_GetIndexFromObj(interp, objv[1],
(CONST84 char **)optionStrings,
"option", 0, &index);
rb_thread_critical = thr_crit_bup;
if (ret != TCL_OK) {
Tcl_Release(tkwin);
Tcl_Release(interp);
return TCL_ERROR;
}
#else /* TCL_MAJOR_VERSION < 8 */
{
int c = objv[1][0];
size_t length = strlen(objv[1]);
if ((c == 'v') && (strncmp(objv[1], "variable", length) == 0)
&& (length >= 2)) {
index = TKWAIT_VARIABLE;
} else if ((c == 'v') && (strncmp(objv[1], "visibility", length) == 0)
&& (length >= 2)) {
index = TKWAIT_VISIBILITY;
} else if ((c == 'w') && (strncmp(objv[1], "window", length) == 0)) {
index = TKWAIT_WINDOW;
} else {
Tcl_AppendResult(interp, "bad option \"", objv[1],
"\": must be variable, visibility, or window",
(char *) NULL);
Tcl_Release(tkwin);
Tcl_Release(interp);
return TCL_ERROR;
}
}
#endif
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
#if TCL_MAJOR_VERSION >= 8
Tcl_IncrRefCount(objv[2]);
/* nameString = Tcl_GetString(objv[2]); */
nameString = Tcl_GetStringFromObj(objv[2], &dummy);
#else /* TCL_MAJOR_VERSION < 8 */
nameString = objv[2];
#endif
param = (struct th_vwait_param *)Tcl_Alloc(sizeof(struct th_vwait_param));
Tcl_Preserve(param);
param->thread = current_thread;
param->done = 0;
rb_thread_critical = thr_crit_bup;
switch ((enum options) index) {
case TKWAIT_VARIABLE:
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
/*
if (Tcl_TraceVar(interp, nameString,
TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
rb_threadVwaitProc, (ClientData) param) != TCL_OK) {
return TCL_ERROR;
}
*/
ret = Tcl_TraceVar(interp, nameString,
TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
rb_threadVwaitProc, (ClientData) param);
rb_thread_critical = thr_crit_bup;
if (ret != TCL_OK) {
Tcl_Release(param);
Tcl_Free((char *)param);
#if TCL_MAJOR_VERSION >= 8
Tcl_DecrRefCount(objv[2]);
#endif
Tcl_Release(tkwin);
Tcl_Release(interp);
return TCL_ERROR;
}
/* if (!param->done) { */
while(!param->done) {
rb_thread_stop();
}
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
if (param->done > 0) {
Tcl_UntraceVar(interp, nameString,
TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
rb_threadVwaitProc, (ClientData) param);
}
#if TCL_MAJOR_VERSION >= 8
Tcl_DecrRefCount(objv[2]);
#endif
rb_thread_critical = thr_crit_bup;
break;
case TKWAIT_VISIBILITY:
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
if (Tk_MainWindow(interp) == (Tk_Window)NULL) {
window = NULL;
} else {
window = Tk_NameToWindow(interp, nameString, tkwin);
}
if (window == NULL) {
rb_thread_critical = thr_crit_bup;
Tcl_Release(param);
Tcl_Free((char *)param);
#if TCL_MAJOR_VERSION >= 8
Tcl_DecrRefCount(objv[2]);
#endif
Tcl_Release(tkwin);
Tcl_Release(interp);
return TCL_ERROR;
}
Tcl_Preserve(window);
Tk_CreateEventHandler(window,
VisibilityChangeMask|StructureNotifyMask,
rb_threadWaitVisibilityProc, (ClientData) param);
rb_thread_critical = thr_crit_bup;
/* if (!param->done) { */
/*
while(!param->done) {
rb_thread_stop();
}
*/
while(param->done != TKWAIT_MODE_VISIBILITY) {
if (param->done == TKWAIT_MODE_DESTROY) break;
rb_thread_stop();
}
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
/* when a window is destroyed, no need to call Tk_DeleteEventHandler */
if (param->done != TKWAIT_MODE_DESTROY) {
Tk_DeleteEventHandler(window,
VisibilityChangeMask|StructureNotifyMask,
rb_threadWaitVisibilityProc,
(ClientData) param);
}
if (param->done != 1) {
Tcl_ResetResult(interp);
Tcl_AppendResult(interp, "window \"", nameString,
"\" was deleted before its visibility changed",
(char *) NULL);
rb_thread_critical = thr_crit_bup;
Tcl_Release(window);
Tcl_Release(param);
Tcl_Free((char *)param);
#if TCL_MAJOR_VERSION >= 8
Tcl_DecrRefCount(objv[2]);
#endif
Tcl_Release(tkwin);
Tcl_Release(interp);
return TCL_ERROR;
}
Tcl_Release(window);
#if TCL_MAJOR_VERSION >= 8
Tcl_DecrRefCount(objv[2]);
#endif
rb_thread_critical = thr_crit_bup;
break;
case TKWAIT_WINDOW:
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
if (Tk_MainWindow(interp) == (Tk_Window)NULL) {
window = NULL;
} else {
window = Tk_NameToWindow(interp, nameString, tkwin);
}
#if TCL_MAJOR_VERSION >= 8
Tcl_DecrRefCount(objv[2]);
#endif
if (window == NULL) {
rb_thread_critical = thr_crit_bup;
Tcl_Release(param);
Tcl_Free((char *)param);
Tcl_Release(tkwin);
Tcl_Release(interp);
return TCL_ERROR;
}
Tcl_Preserve(window);
Tk_CreateEventHandler(window, StructureNotifyMask,
rb_threadWaitWindowProc, (ClientData) param);
rb_thread_critical = thr_crit_bup;
/* if (!param->done) { */
/*
while(!param->done) {
rb_thread_stop();
}
*/
while(param->done != TKWAIT_MODE_DESTROY) {
rb_thread_stop();
}
Tcl_Release(window);
/* when a window is destroyed, no need to call Tk_DeleteEventHandler
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
Tk_DeleteEventHandler(window, StructureNotifyMask,
rb_threadWaitWindowProc, (ClientData) param);
rb_thread_critical = thr_crit_bup;
*/
break;
} /* end of 'switch' statement */
Tcl_Release(param);
Tcl_Free((char *)param);
/*
* Clear out the interpreter's result, since it may have been set
* by event handlers.
*/
Tcl_ResetResult(interp);
Tcl_Release(tkwin);
Tcl_Release(interp);
return TCL_OK;
}
static VALUE
ip_thread_vwait(self, var)
VALUE self;
VALUE var;
{
VALUE argv[2];
volatile VALUE cmd_str = rb_str_new2("thread_vwait");
argv[0] = cmd_str;
argv[1] = var;
return ip_invoke_real(2, argv, self);
}
static VALUE
ip_thread_tkwait(self, mode, target)
VALUE self;
VALUE mode;
VALUE target;
{
VALUE argv[3];
volatile VALUE cmd_str = rb_str_new2("thread_tkwait");
argv[0] = cmd_str;
argv[1] = mode;
argv[2] = target;
return ip_invoke_real(3, argv, self);
}
/* destroy interpreter */
VALUE del_root(ip)
Tcl_Interp *ip;
{
Tk_Window main_win;
if (!Tcl_InterpDeleted(ip)) {
Tcl_Preserve(ip);
while((main_win = Tk_MainWindow(ip)) != (Tk_Window)NULL) {
DUMP1("wait main_win is destroyed");
Tk_DestroyWindow(main_win);
}
Tcl_Release(ip);
}
return Qnil;
}
static void
delete_slaves(ip)
Tcl_Interp *ip;
{
Tcl_Interp *slave;
Tcl_Obj *slave_list, *elem;
char *slave_name;
int i, len;
DUMP2("delete slaves of ip(%lx)", ip);
Tcl_Preserve(ip);
if (Tcl_Eval(ip, "info slaves") == TCL_ERROR) {
DUMP2("ip(%lx) cannot get a list of slave IPs", ip);
return;
}
slave_list = Tcl_GetObjResult(ip);
Tcl_IncrRefCount(slave_list);
if (Tcl_ListObjLength((Tcl_Interp*)NULL, slave_list, &len) == TCL_ERROR) {
DUMP1("slave_list is not a list object");
Tcl_DecrRefCount(slave_list);
return;
}
for(i = 0; i < len; i++) {
Tcl_ListObjIndex((Tcl_Interp*)NULL, slave_list, i, &elem);
Tcl_IncrRefCount(elem);
if (elem == (Tcl_Obj*)NULL) continue;
/* get slave */
slave_name = Tcl_GetString(elem);
slave = Tcl_GetSlave(ip, slave_name);
if (slave == (Tcl_Interp*)NULL) {
DUMP2("slave \"%s\" does not exist", slave_name);
continue;
}
Tcl_DecrRefCount(elem);
Tcl_Preserve(slave);
if (!Tcl_InterpDeleted(slave)) {
Tcl_Eval(slave, "foreach i [after info] { after cancel $i }");
}
/* delete slaves of slave */
delete_slaves(slave);
/* delete slave */
del_root(slave);
while(!Tcl_InterpDeleted(slave)) {
DUMP1("wait ip is deleted");
Tcl_DeleteInterp(slave);
}
Tcl_Release(slave);
}
Tcl_DecrRefCount(slave_list);
Tcl_Release(ip);
}
static void
ip_free(ptr)
struct tcltkip *ptr;
{
Tcl_CmdInfo info;
int thr_crit_bup;
DUMP2("free Tcl Interp %lx", ptr->ip);
if (ptr) {
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
DUMP2("IP ref_count = %d", ptr->ref_count);
if (!Tcl_InterpDeleted(ptr->ip)) {
DUMP2("IP(%lx) is not deleted", ptr->ip);
/* Tcl_Preserve(ptr->ip); */
rbtk_preserve_ip(ptr);
delete_slaves(ptr->ip);
Tcl_ResetResult(ptr->ip);
if (Tcl_GetCommandInfo(ptr->ip, finalize_hook_name, &info)) {
DUMP2("call finalize hook proc '%s'", finalize_hook_name);
Tcl_Eval(ptr->ip, finalize_hook_name);
}
if (!Tcl_InterpDeleted(ptr->ip)) {
Tcl_Eval(ptr->ip, "foreach i [after info] {after cancel $i}");
}
del_root(ptr->ip);
DUMP1("delete interp");
while(!Tcl_InterpDeleted(ptr->ip)) {
DUMP1("wait ip is deleted");
Tcl_DeleteInterp(ptr->ip);
}
/* Tcl_Release(ptr->ip); */
rbtk_release_ip(ptr);
}
rbtk_release_ip(ptr);
DUMP2("IP ref_count = %d", ptr->ref_count);
free(ptr);
rb_thread_critical = thr_crit_bup;
}
DUMP1("complete freeing Tcl Interp");
}
/* create and initialize interpreter */
static VALUE ip_alloc _((VALUE));
static VALUE
ip_alloc(self)
VALUE self;
{
return Data_Wrap_Struct(self, 0, ip_free, 0);
}
static VALUE
ip_init(argc, argv, self)
int argc;
VALUE *argv;
VALUE self;
{
struct tcltkip *ptr; /* tcltkip data struct */
VALUE argv0, opts;
int cnt;
int with_tk = 1;
Tk_Window mainWin;
/* security check */
if (ruby_safe_level >= 4) {
rb_raise(rb_eSecurityError, "Cannot create a TclTkIp object at level %d", ruby_safe_level);
}
/* create object */
Data_Get_Struct(self, struct tcltkip, ptr);
ptr = ALLOC(struct tcltkip);
DATA_PTR(self) = ptr;
ptr->ref_count = 0;
ptr->allow_ruby_exit = 1;
ptr->return_value = 0;
/* from Tk_Main() */
DUMP1("Tcl_CreateInterp");
ptr->ip = Tcl_CreateInterp();
if (ptr->ip == NULL) {
rb_raise(rb_eRuntimeError, "fail to create a new Tk interpreter");
}
rbtk_preserve_ip(ptr);
DUMP2("IP ref_count = %d", ptr->ref_count);
current_interp = ptr->ip;
ptr->has_orig_exit
= Tcl_GetCommandInfo(ptr->ip, "exit", &(ptr->orig_exit_info));
/* from Tcl_AppInit() */
DUMP1("Tcl_Init");
if (Tcl_Init(ptr->ip) == TCL_ERROR) {
#if TCL_MAJOR_VERSION >= 8
rb_raise(rb_eRuntimeError, "%s", Tcl_GetStringResult(ptr->ip));
#else /* TCL_MAJOR_VERSION < 8 */
rb_raise(rb_eRuntimeError, "%s", ptr->ip->result);
#endif
}
/* set variables */
cnt = rb_scan_args(argc, argv, "02", &argv0, &opts);
switch(cnt) {
case 2:
/* options */
if (NIL_P(opts) || opts == Qfalse) {
/* without Tk */
with_tk = 0;
} else {
/* Tcl_SetVar(ptr->ip, "argv", StringValuePtr(opts), 0); */
Tcl_SetVar(ptr->ip, "argv", StringValuePtr(opts), TCL_GLOBAL_ONLY);
}
case 1:
/* argv0 */
if (!NIL_P(argv0)) {
/* Tcl_SetVar(ptr->ip, "argv0", StringValuePtr(argv0), 0); */
Tcl_SetVar(ptr->ip, "argv0", StringValuePtr(argv0), TCL_GLOBAL_ONLY);
}
case 0:
/* no args */
;
}
/* from Tcl_AppInit() */
if (with_tk) {
DUMP1("Tk_Init");
if (Tk_Init(ptr->ip) == TCL_ERROR) {
#if TCL_MAJOR_VERSION >= 8
rb_raise(rb_eRuntimeError, "%s", Tcl_GetStringResult(ptr->ip));
#else /* TCL_MAJOR_VERSION < 8 */
rb_raise(rb_eRuntimeError, "%s", ptr->ip->result);
#endif
}
DUMP1("Tcl_StaticPackage(\"Tk\")");
#if TCL_MAJOR_VERSION >= 8
Tcl_StaticPackage(ptr->ip, "Tk", Tk_Init, Tk_SafeInit);
#else /* TCL_MAJOR_VERSION < 8 */
Tcl_StaticPackage(ptr->ip, "Tk", Tk_Init,
(Tcl_PackageInitProc *) NULL);
#endif
}
/* get main window */
mainWin = Tk_MainWindow(ptr->ip);
Tk_Preserve((ClientData)mainWin);
/* add ruby command to the interpreter */
#if TCL_MAJOR_VERSION >= 8
DUMP1("Tcl_CreateObjCommand(\"ruby\")");
Tcl_CreateObjCommand(ptr->ip, "ruby", ip_ruby_eval, (ClientData)NULL,
(Tcl_CmdDeleteProc *)NULL);
DUMP1("Tcl_CreateObjCommand(\"ruby_eval\")");
Tcl_CreateObjCommand(ptr->ip, "ruby_eval", ip_ruby_eval, (ClientData)NULL,
(Tcl_CmdDeleteProc *)NULL);
DUMP1("Tcl_CreateObjCommand(\"ruby_cmd\")");
Tcl_CreateObjCommand(ptr->ip, "ruby_cmd", ip_ruby_cmd, (ClientData)NULL,
(Tcl_CmdDeleteProc *)NULL);
#else /* TCL_MAJOR_VERSION < 8 */
DUMP1("Tcl_CreateCommand(\"ruby\")");
Tcl_CreateCommand(ptr->ip, "ruby", ip_ruby_eval, (ClientData)NULL,
(Tcl_CmdDeleteProc *)NULL);
DUMP1("Tcl_CreateCommand(\"ruby_eval\")");
Tcl_CreateCommand(ptr->ip, "ruby_eval", ip_ruby_eval, (ClientData)NULL,
(Tcl_CmdDeleteProc *)NULL);
DUMP1("Tcl_CreateCommand(\"ruby_cmd\")");
Tcl_CreateCommand(ptr->ip, "ruby_cmd", ip_ruby_cmd, (ClientData)NULL,
(Tcl_CmdDeleteProc *)NULL);
#endif
/* add 'interp_exit', 'ruby_exit' and replace 'exit' command */
#if TCL_MAJOR_VERSION >= 8
DUMP1("Tcl_CreateObjCommand(\"interp_exit\")");
Tcl_CreateObjCommand(ptr->ip, "interp_exit", ip_InterpExitObjCmd,
(ClientData)mainWin, (Tcl_CmdDeleteProc *)NULL);
DUMP1("Tcl_CreateObjCommand(\"ruby_exit\")");
Tcl_CreateObjCommand(ptr->ip, "ruby_exit", ip_RubyExitObjCmd,
(ClientData)mainWin, (Tcl_CmdDeleteProc *)NULL);
DUMP1("Tcl_CreateObjCommand(\"exit\") --> \"ruby_exit\"");
Tcl_CreateObjCommand(ptr->ip, "exit", ip_RubyExitObjCmd,
(ClientData)mainWin, (Tcl_CmdDeleteProc *)NULL);
#else /* TCL_MAJOR_VERSION < 8 */
DUMP1("Tcl_CreateCommand(\"interp_exit\")");
Tcl_CreateCommand(ptr->ip, "interp_exit", ip_InterpExitCommand,
(ClientData)mainWin, (Tcl_CmdDeleteProc *)NULL);
DUMP1("Tcl_CreateCommand(\"ruby_exit\")");
Tcl_CreateCommand(ptr->ip, "ruby_exit", ip_RubyExitCommand,
(ClientData)mainWin, (Tcl_CmdDeleteProc *)NULL);
DUMP1("Tcl_CreateCommand(\"exit\") --> \"ruby_exit\"");
Tcl_CreateCommand(ptr->ip, "exit", ip_RubyExitCommand,
(ClientData)mainWin, (Tcl_CmdDeleteProc *)NULL);
#endif
#if 0 /*
Disable the following "update" and "thread_update". Bcause,
they don't work in a callback-proc. After calling update in
a callback-proc, the callback proc never be worked.
If the problem will be fixed in the future, may enable the
functions.
*/
/* replace 'update' command */
# if TCL_MAJOR_VERSION >= 8
DUMP1("Tcl_CreateObjCommand(\"update\")");
Tcl_CreateObjCommand(ptr->ip, "update", ip_rbUpdateObjCmd,
(ClientData)mainWin, (Tcl_CmdDeleteProc *)NULL);
# else /* TCL_MAJOR_VERSION < 8 */
DUMP1("Tcl_CreateCommand(\"update\")");
Tcl_CreateCommand(ptr->ip, "update", ip_rbUpdateCommand,
(ClientData)mainWin, (Tcl_CmdDeleteProc *)NULL);
# endif
/* add 'thread_update' command */
# if TCL_MAJOR_VERSION >= 8
DUMP1("Tcl_CreateObjCommand(\"thread_update\")");
Tcl_CreateObjCommand(ptr->ip, "thread_update", ip_rb_threadUpdateObjCmd,
(ClientData)mainWin, (Tcl_CmdDeleteProc *)NULL);
# else /* TCL_MAJOR_VERSION < 8 */
DUMP1("Tcl_CreateCommand(\"thread_update\")");
Tcl_CreateCommand(ptr->ip, "thread_update", ip_rb_threadUpdateCommand,
(ClientData)mainWin, (Tcl_CmdDeleteProc *)NULL);
# endif
#endif
/* replace 'vwait' command */
#if TCL_MAJOR_VERSION >= 8
DUMP1("Tcl_CreateObjCommand(\"vwait\")");
Tcl_CreateObjCommand(ptr->ip, "vwait", ip_rbVwaitObjCmd,
(ClientData)mainWin, (Tcl_CmdDeleteProc *)NULL);
#else /* TCL_MAJOR_VERSION < 8 */
DUMP1("Tcl_CreateCommand(\"vwait\")");
Tcl_CreateCommand(ptr->ip, "vwait", ip_rbVwaitCommand,
(ClientData)mainWin, (Tcl_CmdDeleteProc *)NULL);
#endif
/* replace 'tkwait' command */
#if TCL_MAJOR_VERSION >= 8
DUMP1("Tcl_CreateObjCommand(\"tkwait\")");
Tcl_CreateObjCommand(ptr->ip, "tkwait", ip_rbTkWaitObjCmd,
(ClientData)mainWin, (Tcl_CmdDeleteProc *)NULL);
#else /* TCL_MAJOR_VERSION < 8 */
DUMP1("Tcl_CreateCommand(\"tkwait\")");
Tcl_CreateCommand(ptr->ip, "tkwait", ip_rbTkWaitCommand,
(ClientData)mainWin, (Tcl_CmdDeleteProc *)NULL);
#endif
/* add 'thread_vwait' command */
#if TCL_MAJOR_VERSION >= 8
DUMP1("Tcl_CreateObjCommand(\"thread_vwait\")");
Tcl_CreateObjCommand(ptr->ip, "thread_vwait", ip_rb_threadVwaitObjCmd,
(ClientData)mainWin, (Tcl_CmdDeleteProc *)NULL);
#else /* TCL_MAJOR_VERSION < 8 */
DUMP1("Tcl_CreateCommand(\"thread_vwait\")");
Tcl_CreateCommand(ptr->ip, "thread_vwait", ip_rb_threadVwaitCommand,
(ClientData)mainWin, (Tcl_CmdDeleteProc *)NULL);
#endif
/* add 'thread_tkwait' command */
#if TCL_MAJOR_VERSION >= 8
DUMP1("Tcl_CreateObjCommand(\"thread_tkwait\")");
Tcl_CreateObjCommand(ptr->ip, "thread_tkwait", ip_rb_threadTkWaitObjCmd,
(ClientData)mainWin, (Tcl_CmdDeleteProc *)NULL);
#else /* TCL_MAJOR_VERSION < 8 */
DUMP1("Tcl_CreateCommand(\"thread_tkwait\")");
Tcl_CreateCommand(ptr->ip, "thread_tkwait", ip_rb_threadTkWaitCommand,
(ClientData)mainWin, (Tcl_CmdDeleteProc *)NULL);
#endif
Tk_Release((ClientData)mainWin);
return self;
}
static VALUE
ip_create_slave(argc, argv, self)
int argc;
VALUE *argv;
VALUE self;
{
struct tcltkip *master = get_ip(self);
struct tcltkip *slave = ALLOC(struct tcltkip);
VALUE safemode;
VALUE name;
int safe;
int thr_crit_bup;
Tk_Window mainWin;
/* safe-mode check */
if (rb_scan_args(argc, argv, "11", &name, &safemode) == 1) {
safemode = Qfalse;
}
if (Tcl_IsSafe(master->ip) == 1) {
safe = 1;
} else if (safemode == Qfalse || NIL_P(safemode)) {
safe = 0;
rb_secure(4);
} else {
safe = 1;
}
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
/* ip is deleted? */
if (Tcl_InterpDeleted(master->ip)) {
DUMP1("master-ip is deleted");
rb_thread_critical = thr_crit_bup;
rb_raise(rb_eRuntimeError, "deleted master cannot create a new slave interpreter");
}
/* create slave-ip */
slave->ref_count = 0;
slave->allow_ruby_exit = 0;
slave->return_value = 0;
slave->ip = Tcl_CreateSlave(master->ip, StringValuePtr(name), safe);
if (slave->ip == NULL) {
rb_thread_critical = thr_crit_bup;
rb_raise(rb_eRuntimeError, "fail to create the new slave interpreter");
}
rbtk_preserve_ip(slave);
slave->has_orig_exit
= Tcl_GetCommandInfo(slave->ip, "exit", &(slave->orig_exit_info));
/* replace 'exit' command --> 'interp_exit' command */
mainWin = Tk_MainWindow(slave->ip);
#if TCL_MAJOR_VERSION >= 8
DUMP1("Tcl_CreateObjCommand(\"exit\") --> \"interp_exit\"");
Tcl_CreateObjCommand(slave->ip, "exit", ip_InterpExitObjCmd,
(ClientData)mainWin, (Tcl_CmdDeleteProc *)NULL);
#else /* TCL_MAJOR_VERSION < 8 */
DUMP1("Tcl_CreateCommand(\"exit\") --> \"interp_exit\"");
Tcl_CreateCommand(slave->ip, "exit", ip_InterpExitCommand,
(ClientData)mainWin, (Tcl_CmdDeleteProc *)NULL);
#endif
rb_thread_critical = thr_crit_bup;
return Data_Wrap_Struct(CLASS_OF(self), 0, ip_free, slave);
}
/* make ip "safe" */
static VALUE
ip_make_safe(self)
VALUE self;
{
struct tcltkip *ptr = get_ip(self);
Tk_Window mainWin;
/* ip is deleted? */
if (Tcl_InterpDeleted(ptr->ip)) {
DUMP1("ip is deleted");
rb_raise(rb_eRuntimeError, "interpreter is deleted");
}
if (Tcl_MakeSafe(ptr->ip) == TCL_ERROR) {
#if TCL_MAJOR_VERSION >= 8
rb_raise(rb_eRuntimeError, "%s", Tcl_GetStringResult(ptr->ip));
#else /* TCL_MAJOR_VERSION < 8 */
rb_raise(rb_eRuntimeError, "%s", ptr->ip->result);
#endif
}
ptr->allow_ruby_exit = 0;
/* replace 'exit' command --> 'interp_exit' command */
mainWin = Tk_MainWindow(ptr->ip);
#if TCL_MAJOR_VERSION >= 8
DUMP1("Tcl_CreateObjCommand(\"exit\") --> \"interp_exit\"");
Tcl_CreateObjCommand(ptr->ip, "exit", ip_InterpExitObjCmd,
(ClientData)mainWin, (Tcl_CmdDeleteProc *)NULL);
#else /* TCL_MAJOR_VERSION < 8 */
DUMP1("Tcl_CreateCommand(\"exit\") --> \"interp_exit\"");
Tcl_CreateCommand(ptr->ip, "exit", ip_InterpExitCommand,
(ClientData)mainWin, (Tcl_CmdDeleteProc *)NULL);
#endif
return self;
}
/* is safe? */
static VALUE
ip_is_safe_p(self)
VALUE self;
{
struct tcltkip *ptr = get_ip(self);
/* ip is deleted? */
if (Tcl_InterpDeleted(ptr->ip)) {
DUMP1("ip is deleted");
rb_raise(rb_eRuntimeError, "interpreter is deleted");
}
if (Tcl_IsSafe(ptr->ip)) {
return Qtrue;
} else {
return Qfalse;
}
}
/* allow_ruby_exit? */
static VALUE
ip_allow_ruby_exit_p(self)
VALUE self;
{
struct tcltkip *ptr = get_ip(self);
/* ip is deleted? */
if (Tcl_InterpDeleted(ptr->ip)) {
DUMP1("ip is deleted");
rb_raise(rb_eRuntimeError, "interpreter is deleted");
}
if (ptr->allow_ruby_exit) {
return Qtrue;
} else {
return Qfalse;
}
}
/* allow_ruby_exit = mode */
static VALUE
ip_allow_ruby_exit_set(self, val)
VALUE self, val;
{
struct tcltkip *ptr = get_ip(self);
Tk_Window mainWin;
rb_secure(4);
/* ip is deleted? */
if (Tcl_InterpDeleted(ptr->ip)) {
DUMP1("ip is deleted");
rb_raise(rb_eRuntimeError, "interpreter is deleted");
}
if (Tcl_IsSafe(ptr->ip)) {
rb_raise(rb_eSecurityError,
"insecure operation on a safe interpreter");
}
mainWin = Tk_MainWindow(ptr->ip);
if (RTEST(val)) {
ptr->allow_ruby_exit = 1;
#if TCL_MAJOR_VERSION >= 8
DUMP1("Tcl_CreateObjCommand(\"exit\") --> \"ruby_exit\"");
Tcl_CreateObjCommand(ptr->ip, "exit", ip_RubyExitObjCmd,
(ClientData)mainWin, (Tcl_CmdDeleteProc *)NULL);
#else /* TCL_MAJOR_VERSION < 8 */
DUMP1("Tcl_CreateCommand(\"exit\") --> \"ruby_exit\"");
Tcl_CreateCommand(ptr->ip, "exit", ip_RubyExitCommand,
(ClientData)mainWin, (Tcl_CmdDeleteProc *)NULL);
#endif
return Qtrue;
} else {
ptr->allow_ruby_exit = 0;
#if TCL_MAJOR_VERSION >= 8
DUMP1("Tcl_CreateObjCommand(\"exit\") --> \"interp_exit\"");
Tcl_CreateObjCommand(ptr->ip, "exit", ip_InterpExitObjCmd,
(ClientData)mainWin, (Tcl_CmdDeleteProc *)NULL);
#else /* TCL_MAJOR_VERSION < 8 */
DUMP1("Tcl_CreateCommand(\"exit\") --> \"interp_exit\"");
Tcl_CreateCommand(ptr->ip, "exit", ip_InterpExitCommand,
(ClientData)mainWin, (Tcl_CmdDeleteProc *)NULL);
#endif
return Qfalse;
}
}
/* delete interpreter */
static VALUE
ip_delete(self)
VALUE self;
{
struct tcltkip *ptr = get_ip(self);
/* Tcl_Preserve(ptr->ip); */
rbtk_preserve_ip(ptr);
if (!Tcl_InterpDeleted(ptr->ip)) {
Tcl_Eval(ptr->ip, "foreach i [after info] { after cancel $i }");
}
del_root(ptr->ip);
DUMP1("delete interp");
while(!Tcl_InterpDeleted(ptr->ip)) {
DUMP1("wait ip is deleted");
Tcl_DeleteInterp(ptr->ip);
}
/* Tcl_Release(ptr->ip); */
rbtk_release_ip(ptr);
return Qnil;
}
/* is deleted? */
static VALUE
ip_is_deleted_p(self)
VALUE self;
{
struct tcltkip *ptr = get_ip(self);
if (Tcl_InterpDeleted(ptr->ip)) {
return Qtrue;
} else {
return Qfalse;
}
}
static VALUE
#ifdef HAVE_STDARG_PROTOTYPES
create_ip_exc(VALUE interp, VALUE exc, const char *fmt, ...)
#else
create_ip_exc(interp, exc, fmt, va_alist)
VALUE interp:
VALUE exc;
const char *fmt;
va_dcl
#endif
{
va_list args;
char buf[BUFSIZ];
VALUE einfo;
va_init_list(args,fmt);
vsnprintf(buf, BUFSIZ, fmt, args);
buf[BUFSIZ - 1] = '\0';
va_end(args);
einfo = rb_exc_new2(exc, buf);
rb_ivar_set(einfo, ID_at_interp, interp);
Tcl_ResetResult(get_ip(interp)->ip);
return einfo;
}
static VALUE
ip_get_result_string_obj(interp)
Tcl_Interp *interp;
{
#if TCL_MAJOR_VERSION >= 8
int len;
char *s;
# if TCL_MAJOR_VERSION == 8 && TCL_MINOR_VERSION == 0
s = Tcl_GetStringFromObj(Tcl_GetObjResult(interp), &len);
return(rb_tainted_str_new(s, len));
# else /* TCL_VERSION >= 8.1 */
volatile VALUE strval;
Tcl_Obj *retobj = Tcl_GetObjResult(interp);
int thr_crit_bup;
Tcl_IncrRefCount(retobj);
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
if (Tcl_GetCharLength(retobj) != Tcl_UniCharLen(Tcl_GetUnicode(retobj))) {
/* possibly binary string */
s = Tcl_GetByteArrayFromObj(retobj, &len);
strval = rb_tainted_str_new(s, len);
rb_ivar_set(strval, ID_at_enc, rb_str_new2("binary"));
} else {
/* possibly text string */
s = Tcl_GetStringFromObj(retobj, &len);
strval = rb_tainted_str_new(s, len);
}
rb_thread_critical = thr_crit_bup;
Tcl_DecrRefCount(retobj);
return(strval);
# endif
#else /* TCL_MAJOR_VERSION < 8 */
return(rb_tainted_str_new2(interp->result));
#endif
}
/* eval string in tcl by Tcl_Eval() */
static VALUE
ip_eval_real(self, cmd_str, cmd_len)
VALUE self;
char *cmd_str;
int cmd_len;
{
volatile VALUE ret;
char *s;
int len;
struct tcltkip *ptr = get_ip(self);
int thr_crit_bup;
#if TCL_MAJOR_VERSION >= 8
/* call Tcl_EvalObj() */
{
Tcl_Obj *cmd;
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
cmd = Tcl_NewStringObj(cmd_str, cmd_len);
Tcl_IncrRefCount(cmd);
/* ip is deleted? */
if (Tcl_InterpDeleted(ptr->ip)) {
DUMP1("ip is deleted");
Tcl_DecrRefCount(cmd);
rb_thread_critical = thr_crit_bup;
ptr->return_value = TCL_OK;
return rb_tainted_str_new2("");
} else {
/* Tcl_Preserve(ptr->ip); */
rbtk_preserve_ip(ptr);
ptr->return_value = Tcl_EvalObj(ptr->ip, cmd);
/* ptr->return_value = Tcl_GlobalEvalObj(ptr->ip, cmd); */
}
Tcl_DecrRefCount(cmd);
}
if (ptr->return_value == TCL_ERROR) {
volatile VALUE exc;
exc = create_ip_exc(self, rb_eRuntimeError,
"%s", Tcl_GetStringResult(ptr->ip));
/* Tcl_Release(ptr->ip); */
rbtk_release_ip(ptr);
rb_thread_critical = thr_crit_bup;
rb_exc_raise(exc);
}
DUMP2("(TCL_Eval result) %d", ptr->return_value);
/* pass back the result (as string) */
ret = ip_get_result_string_obj(ptr->ip);
/* Tcl_Release(ptr->ip); */
rbtk_release_ip(ptr);
rb_thread_critical = thr_crit_bup;
return ret;
#else /* TCL_MAJOR_VERSION < 8 */
DUMP2("Tcl_Eval(%s)", cmd_str);
/* ip is deleted? */
if (Tcl_InterpDeleted(ptr->ip)) {
DUMP1("ip is deleted");
ptr->return_value = TCL_OK;
return rb_tainted_str_new2("");
} else {
/* Tcl_Preserve(ptr->ip); */
rbtk_preserve_ip(ptr);
ptr->return_value = Tcl_Eval(ptr->ip, cmd_str);
/* ptr->return_value = Tcl_GlobalEval(ptr->ip, cmd_str); */
}
if (ptr->return_value == TCL_ERROR) {
volatile VALUE exc;
exc = create_ip_exc(self, rb_eRuntimeError, "%s", ptr->ip->result);
/* Tcl_Release(ptr->ip); */
rbtk_release_ip(ptr);
rb_exc_raise(exc);
}
DUMP2("(TCL_Eval result) %d", ptr->return_value);
/* pass back the result (as string) */
ret = ip_get_result_string_obj(ptr->ip);
/* Tcl_Release(ptr->ip); */
rbtk_release_ip(ptr);
return ret;
#endif
}
static VALUE
evq_safelevel_handler(arg, evq)
VALUE arg;
VALUE evq;
{
struct eval_queue *q;
Data_Get_Struct(evq, struct eval_queue, q);
DUMP2("(safe-level handler) $SAFE = %d", q->safe_level);
rb_set_safe_level(q->safe_level);
return ip_eval_real(q->interp, q->str, q->len);
}
int eval_queue_handler _((Tcl_Event *, int));
int
eval_queue_handler(evPtr, flags)
Tcl_Event *evPtr;
int flags;
{
struct eval_queue *q = (struct eval_queue *)evPtr;
volatile VALUE ret;
volatile VALUE q_dat;
DUMP2("do_eval_queue_handler : evPtr = %p", evPtr);
DUMP2("eval queue_thread : %lx", rb_thread_current());
DUMP2("added by thread : %lx", q->thread);
if (*(q->done)) {
DUMP1("processed by another event-loop");
return 0;
} else {
DUMP1("process it on current event-loop");
}
/* process it */
*(q->done) = 1;
/* check safe-level */
if (rb_safe_level() != q->safe_level) {
#ifdef HAVE_NATIVETHREAD
if (!is_ruby_native_thread()) {
rb_bug("cross-thread violation on eval_queue_handler()");
}
#endif
/* q_dat = Data_Wrap_Struct(rb_cData,0,0,q); */
q_dat = Data_Wrap_Struct(rb_cData,eval_queue_mark,0,q);
ret = rb_funcall(rb_proc_new(evq_safelevel_handler, q_dat),
ID_call, 0);
rb_gc_force_recycle(q_dat);
} else {
DUMP2("call eval_real (for caller thread:%lx)", q->thread);
DUMP2("call eval_real (current thread:%lx)", rb_thread_current());
ret = ip_eval_real(q->interp, q->str, q->len);
}
/* set result */
RARRAY(q->result)->ptr[0] = ret;
/* complete */
*(q->done) = -1;
/* back to caller */
DUMP2("back to caller (caller thread:%lx)", q->thread);
DUMP2(" (current thread:%lx)", rb_thread_current());
rb_thread_run(q->thread);
DUMP1("finish back to caller");
/* end of handler : remove it */
return 1;
}
static VALUE
ip_eval(self, str)
VALUE self;
VALUE str;
{
struct eval_queue *evq;
char *eval_str;
int *alloc_done;
int thr_crit_bup;
volatile VALUE current = rb_thread_current();
volatile VALUE ip_obj = self;
volatile VALUE result;
volatile VALUE ret;
Tcl_QueuePosition position;
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
StringValue(str);
rb_thread_critical = thr_crit_bup;
if (eventloop_thread == 0 || current == eventloop_thread) {
if (eventloop_thread) {
DUMP2("eval from current eventloop %lx", current);
} else {
DUMP2("eval from thread:%lx but no eventloop", current);
}
result = ip_eval_real(self, RSTRING(str)->ptr, RSTRING(str)->len);
if (rb_obj_is_kind_of(result, rb_eException)) {
rb_exc_raise(result);
}
return result;
}
DUMP2("eval from thread %lx (NOT current eventloop)", current);
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
/* allocate memory (protected from Tcl_ServiceEvent) */
alloc_done = (int*)ALLOC(int);
*alloc_done = 0;
eval_str = ALLOC_N(char, RSTRING(str)->len + 1);
strncpy(eval_str, RSTRING(str)->ptr, RSTRING(str)->len);
eval_str[RSTRING(str)->len] = 0;
/* allocate memory (freed by Tcl_ServiceEvent) */
evq = (struct eval_queue *)Tcl_Alloc(sizeof(struct eval_queue));
Tcl_Preserve(evq);
/* allocate result obj */
result = rb_ary_new2(1);
RARRAY(result)->ptr[0] = Qnil;
RARRAY(result)->len = 1;
/* construct event data */
evq->done = alloc_done;
evq->str = eval_str;
evq->len = RSTRING(str)->len;
evq->interp = ip_obj;
evq->result = result;
evq->thread = current;
evq->safe_level = rb_safe_level();
evq->ev.proc = eval_queue_handler;
position = TCL_QUEUE_TAIL;
/* add the handler to Tcl event queue */
DUMP1("add handler");
Tcl_QueueEvent(&(evq->ev), position);
rb_thread_critical = thr_crit_bup;
/* wait for the handler to be processed */
DUMP2("wait for handler (current thread:%lx)", current);
while(*alloc_done >= 0) {
rb_thread_stop();
}
DUMP2("back from handler (current thread:%lx)", current);
/* get result & free allocated memory */
ret = RARRAY(result)->ptr[0];
free(alloc_done);
free(eval_str);
Tcl_Release(evq);
if (rb_obj_is_kind_of(ret, rb_eException)) {
rb_exc_raise(ret);
}
return ret;
}
/* restart Tk */
static VALUE
lib_restart(self)
VALUE self;
{
volatile VALUE exc;
struct tcltkip *ptr = get_ip(self);
int thr_crit_bup;
rb_secure(4);
/* ip is deleted? */
if (Tcl_InterpDeleted(ptr->ip)) {
DUMP1("ip is deleted");
rb_raise(rb_eRuntimeError, "interpreter is deleted");
}
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
/* Tcl_Preserve(ptr->ip); */
rbtk_preserve_ip(ptr);
/* destroy the root wdiget */
ptr->return_value = Tcl_Eval(ptr->ip, "destroy .");
/* ignore ERROR */
DUMP2("(TCL_Eval result) %d", ptr->return_value);
Tcl_ResetResult(ptr->ip);
/* delete namespace ( tested on tk8.4.5 ) */
ptr->return_value = Tcl_Eval(ptr->ip, "namespace delete ::tk::msgcat");
/* ignore ERROR */
DUMP2("(TCL_Eval result) %d", ptr->return_value);
Tcl_ResetResult(ptr->ip);
/* delete trace proc ( tested on tk8.4.5 ) */
ptr->return_value = Tcl_Eval(ptr->ip, "trace vdelete ::tk_strictMotif w ::tk::EventMotifBindings");
/* ignore ERROR */
DUMP2("(TCL_Eval result) %d", ptr->return_value);
Tcl_ResetResult(ptr->ip);
/* execute Tk_Init of Tk_SafeInit */
#if TCL_MAJOR_VERSION >= 8
if (Tcl_IsSafe(ptr->ip)) {
DUMP1("Tk_SafeInit");
if (Tk_SafeInit(ptr->ip) == TCL_ERROR) {
exc = rb_exc_new2(rb_eRuntimeError, Tcl_GetStringResult(ptr->ip));
/* Tcl_Release(ptr->ip); */
rbtk_release_ip(ptr);
rb_thread_critical = thr_crit_bup;
rb_exc_raise(exc);
}
} else {
DUMP1("Tk_Init");
if (Tk_Init(ptr->ip) == TCL_ERROR) {
exc = rb_exc_new2(rb_eRuntimeError, Tcl_GetStringResult(ptr->ip));
/* Tcl_Release(ptr->ip); */
rbtk_release_ip(ptr);
rb_thread_critical = thr_crit_bup;
rb_exc_raise(exc);
}
}
#else /* TCL_MAJOR_VERSION < 8 */
DUMP1("Tk_Init");
if (Tk_Init(ptr->ip) == TCL_ERROR) {
exc = rb_exc_new2(rb_eRuntimeError, ptr->ip->result);
/* Tcl_Release(ptr->ip); */
rbtk_release_ip(ptr);
rb_exc_raise(exc);
}
#endif
/* Tcl_Release(ptr->ip); */
rbtk_release_ip(ptr);
rb_thread_critical = thr_crit_bup;
return Qnil;
}
static VALUE
ip_restart(self)
VALUE self;
{
struct tcltkip *ptr = get_ip(self);
rb_secure(4);
/* ip is deleted? */
if (Tcl_InterpDeleted(ptr->ip)) {
DUMP1("ip is deleted");
rb_raise(rb_eRuntimeError, "interpreter is deleted");
}
if (Tcl_GetMaster(ptr->ip) != (Tcl_Interp*)NULL) {
/* slave IP */
return Qnil;
}
return lib_restart(self);
}
static VALUE
lib_toUTF8_core(ip_obj, src, encodename)
VALUE ip_obj;
VALUE src;
VALUE encodename;
{
volatile VALUE str = src;
#ifdef TCL_UTF_MAX
Tcl_Interp *interp;
Tcl_Encoding encoding;
Tcl_DString dstr;
int taint_flag = OBJ_TAINTED(str);
struct tcltkip *ptr;
char *buf;
int thr_crit_bup;
if (NIL_P(ip_obj)) {
interp = (Tcl_Interp *)NULL;
} else {
interp = get_ip(ip_obj)->ip;
/* ip is deleted? */
if (Tcl_InterpDeleted(interp)) {
DUMP1("ip is deleted");
interp = (Tcl_Interp *)NULL;
}
}
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
if (NIL_P(encodename)) {
if (TYPE(str) == T_STRING) {
volatile VALUE enc;
enc = Qnil;
if (RTEST(rb_ivar_defined(str, ID_at_enc))) {
enc = rb_ivar_get(str, ID_at_enc);
}
if (NIL_P(enc)) {
if (NIL_P(ip_obj)) {
encoding = (Tcl_Encoding)NULL;
} else {
if (RTEST(rb_ivar_defined(ip_obj, ID_at_enc))) {
enc = rb_ivar_get(ip_obj, ID_at_enc);
}
if (NIL_P(enc)) {
encoding = (Tcl_Encoding)NULL;
} else {
StringValue(enc);
encoding = Tcl_GetEncoding(interp, RSTRING(enc)->ptr);
if (encoding == (Tcl_Encoding)NULL) {
rb_warning("Tk-interp has unknown encoding information (@encoding:'%s')", RSTRING(enc)->ptr);
}
}
}
} else {
StringValue(enc);
if (strcmp(RSTRING(enc)->ptr, "binary") == 0) {
rb_thread_critical = thr_crit_bup;
return str;
}
encoding = Tcl_GetEncoding(interp, RSTRING(enc)->ptr);
if (encoding == (Tcl_Encoding)NULL) {
rb_warning("string has unknown encoding information (@encoding:'%s')", RSTRING(enc)->ptr);
}
}
} else {
encoding = (Tcl_Encoding)NULL;
}
} else {
StringValue(encodename);
encoding = Tcl_GetEncoding(interp, RSTRING(encodename)->ptr);
if (encoding == (Tcl_Encoding)NULL) {
/*
rb_warning("unknown encoding name '%s'",
RSTRING(encodename)->ptr);
*/
rb_raise(rb_eArgError, "unknown encoding name '%s'",
RSTRING(encodename)->ptr);
}
}
StringValue(str);
if (!RSTRING(str)->len) {
rb_thread_critical = thr_crit_bup;
return str;
}
buf = ALLOC_N(char,(RSTRING(str)->len)+1);
strncpy(buf, RSTRING(str)->ptr, RSTRING(str)->len);
buf[RSTRING(str)->len] = 0;
Tcl_DStringInit(&dstr);
Tcl_DStringFree(&dstr);
/* Tcl_ExternalToUtfDString(encoding,buf,strlen(buf),&dstr); */
Tcl_ExternalToUtfDString(encoding, buf, RSTRING(str)->len, &dstr);
/* str = rb_tainted_str_new2(Tcl_DStringValue(&dstr)); */
str = rb_str_new2(Tcl_DStringValue(&dstr));
rb_ivar_set(str, ID_at_enc, rb_tainted_str_new2("utf-8"));
if (taint_flag) OBJ_TAINT(str);
if (encoding != (Tcl_Encoding)NULL) {
Tcl_FreeEncoding(encoding);
}
Tcl_DStringFree(&dstr);
free(buf);
rb_thread_critical = thr_crit_bup;
#endif
return str;
}
static VALUE
lib_toUTF8(argc, argv, self)
int argc;
VALUE *argv;
VALUE self;
{
VALUE str, encodename;
if (rb_scan_args(argc, argv, "11", &str, &encodename) == 1) {
encodename = Qnil;
}
return lib_toUTF8_core(Qnil, str, encodename);
}
static VALUE
ip_toUTF8(argc, argv, self)
int argc;
VALUE *argv;
VALUE self;
{
VALUE str, encodename;
if (rb_scan_args(argc, argv, "11", &str, &encodename) == 1) {
encodename = Qnil;
}
return lib_toUTF8_core(self, str, encodename);
}
static VALUE
lib_fromUTF8_core(ip_obj, src, encodename)
VALUE ip_obj;
VALUE src;
VALUE encodename;
{
volatile VALUE str = src;
#ifdef TCL_UTF_MAX
Tcl_Interp *interp;
Tcl_Encoding encoding;
Tcl_DString dstr;
int taint_flag = OBJ_TAINTED(str);
char *buf;
int thr_crit_bup;
if (NIL_P(ip_obj)) {
interp = (Tcl_Interp *)NULL;
} else {
interp = get_ip(ip_obj)->ip;
}
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
if (NIL_P(encodename)) {
volatile VALUE enc;
if (TYPE(str) == T_STRING) {
enc = Qnil;
if (RTEST(rb_ivar_defined(str, ID_at_enc))) {
enc = rb_ivar_get(str, ID_at_enc);
}
if (!NIL_P(enc) && strcmp(StringValuePtr(enc), "binary") == 0) {
rb_thread_critical = thr_crit_bup;
return str;
}
}
if (NIL_P(ip_obj)) {
encoding = (Tcl_Encoding)NULL;
} else {
enc = Qnil;
if (RTEST(rb_ivar_defined(ip_obj, ID_at_enc))) {
enc = rb_ivar_get(ip_obj, ID_at_enc);
}
if (NIL_P(enc)) {
encoding = (Tcl_Encoding)NULL;
} else {
StringValue(enc);
encoding = Tcl_GetEncoding(interp, RSTRING(enc)->ptr);
if (encoding == (Tcl_Encoding)NULL) {
rb_warning("Tk-interp has unknown encoding information (@encoding:'%s')", RSTRING(enc)->ptr);
} else {
encodename = rb_obj_dup(enc);
}
}
}
} else {
StringValue(encodename);
if (strcmp(RSTRING(encodename)->ptr, "binary") == 0) {
char *s;
int len;
s = Tcl_GetByteArrayFromObj(Tcl_NewStringObj(RSTRING(str)->ptr,
RSTRING(str)->len),
&len);
str = rb_tainted_str_new(s, len);
rb_ivar_set(str, ID_at_enc, rb_tainted_str_new2("binary"));
rb_thread_critical = thr_crit_bup;
return str;
}
encoding = Tcl_GetEncoding(interp, RSTRING(encodename)->ptr);
if (encoding == (Tcl_Encoding)NULL) {
/*
rb_warning("unknown encoding name '%s'",
RSTRING(encodename)->ptr);
encodename = Qnil;
*/
rb_raise(rb_eArgError, "unknown encoding name '%s'",
RSTRING(encodename)->ptr);
}
}
StringValue(str);
if (RSTRING(str)->len == 0) {
rb_thread_critical = thr_crit_bup;
return rb_tainted_str_new2("");
}
buf = ALLOC_N(char,strlen(RSTRING(str)->ptr)+1);
strncpy(buf, RSTRING(str)->ptr, RSTRING(str)->len);
buf[RSTRING(str)->len] = 0;
Tcl_DStringInit(&dstr);
Tcl_DStringFree(&dstr);
/* Tcl_UtfToExternalDString(encoding,buf,strlen(buf),&dstr); */
Tcl_UtfToExternalDString(encoding,buf,RSTRING(str)->len,&dstr);
/* str = rb_tainted_str_new2(Tcl_DStringValue(&dstr)); */
str = rb_str_new2(Tcl_DStringValue(&dstr));
rb_ivar_set(str, ID_at_enc, encodename);
if (taint_flag) OBJ_TAINT(str);
if (encoding != (Tcl_Encoding)NULL) {
Tcl_FreeEncoding(encoding);
}
Tcl_DStringFree(&dstr);
free(buf);
rb_thread_critical = thr_crit_bup;
#endif
return str;
}
static VALUE
lib_fromUTF8(argc, argv, self)
int argc;
VALUE *argv;
VALUE self;
{
VALUE str, encodename;
if (rb_scan_args(argc, argv, "11", &str, &encodename) == 1) {
encodename = Qnil;
}
return lib_fromUTF8_core(Qnil, str, encodename);
}
static VALUE
ip_fromUTF8(argc, argv, self)
int argc;
VALUE *argv;
VALUE self;
{
VALUE str, encodename;
if (rb_scan_args(argc, argv, "11", &str, &encodename) == 1) {
encodename = Qnil;
}
return lib_fromUTF8_core(self, str, encodename);
}
static VALUE
lib_UTF_backslash_core(self, str, all_bs)
VALUE self;
VALUE str;
int all_bs;
{
#ifdef TCL_UTF_MAX
char *src_buf, *dst_buf, *ptr;
int read_len = 0, dst_len = 0;
int taint_flag = OBJ_TAINTED(str);
int thr_crit_bup;
StringValue(str);
if (!RSTRING(str)->len) {
return str;
}
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
src_buf = ALLOC_N(char,(RSTRING(str)->len)+1);
strncpy(src_buf, RSTRING(str)->ptr, RSTRING(str)->len);
src_buf[RSTRING(str)->len] = 0;
dst_buf = ALLOC_N(char,(RSTRING(str)->len)+1);
ptr = src_buf;
while(RSTRING(str)->len > ptr - src_buf) {
if (*ptr == '\\' && (all_bs || *(ptr + 1) == 'u')) {
dst_len += Tcl_UtfBackslash(ptr, &read_len, (dst_buf + dst_len));
ptr += read_len;
} else {
*(dst_buf + (dst_len++)) = *(ptr++);
}
}
str = rb_str_new(dst_buf, dst_len);
if (taint_flag) OBJ_TAINT(str);
free(src_buf);
free(dst_buf);
rb_thread_critical = thr_crit_bup;
#endif
return str;
}
static VALUE
lib_UTF_backslash(self, str)
VALUE self;
VALUE str;
{
return lib_UTF_backslash_core(self, str, 0);
}
static VALUE
lib_Tcl_backslash(self, str)
VALUE self;
VALUE str;
{
return lib_UTF_backslash_core(self, str, 1);
}
#if TCL_MAJOR_VERSION >= 8
static VALUE
ip_invoke_core(interp, objc, objv)
VALUE interp;
int objc;
Tcl_Obj **objv;
#else
static VALUE
ip_invoke_core(interp, argc, argv)
VALUE interp;
int argc;
char **argv;
#endif
{
struct tcltkip *ptr;
int i;
Tcl_CmdInfo info;
char *cmd;
char *s;
int len;
int thr_crit_bup;
#if TCL_MAJOR_VERSION >= 8
int argc = objc;
char **argv = (char **)NULL;
Tcl_Obj *resultPtr;
#endif
/* get the command name string */
#if TCL_MAJOR_VERSION >= 8
cmd = Tcl_GetStringFromObj(objv[0], &len);
#else /* TCL_MAJOR_VERSION < 8 */
cmd = argv[0];
#endif
/* get the data struct */
ptr = get_ip(interp);
/* ip is deleted? */
if (Tcl_InterpDeleted(ptr->ip)) {
DUMP1("ip is deleted");
return rb_tainted_str_new2("");
}
/* map from the command name to a C procedure */
DUMP2("call Tcl_GetCommandInfo, %s", cmd);
if (!Tcl_GetCommandInfo(ptr->ip, cmd, &info)) {
DUMP1("error Tcl_GetCommandInfo");
/* if (event_loop_abort_on_exc || cmd[0] != '.') { */
if (event_loop_abort_on_exc > 0) {
/*rb_ip_raise(obj,rb_eNameError,"invalid command name `%s'",cmd);*/
return create_ip_exc(interp, rb_eNameError,
"invalid command name `%s'", cmd);
} else {
if (event_loop_abort_on_exc < 0) {
rb_warning("invalid command name `%s' (ignore)", cmd);
} else {
rb_warn("invalid command name `%s' (ignore)", cmd);
}
Tcl_ResetResult(ptr->ip);
return rb_tainted_str_new2("");
}
}
DUMP1("end Tcl_GetCommandInfo");
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
/* memory allocation for arguments of this command */
#if TCL_MAJOR_VERSION >= 8
if (!info.isNativeObjectProc) {
/* string interface */
argv = (char **)ALLOC_N(char *, argc+1);
for (i = 0; i < argc; ++i) {
argv[i] = Tcl_GetStringFromObj(objv[i], &len);
}
argv[argc] = (char *)NULL;
}
#endif
Tcl_ResetResult(ptr->ip);
/* Invoke the C procedure */
#if TCL_MAJOR_VERSION >= 8
if (info.isNativeObjectProc) {
ptr->return_value = (*info.objProc)(info.objClientData, ptr->ip,
objc, objv);
#if 0
/* get the string value from the result object */
resultPtr = Tcl_GetObjResult(ptr->ip);
Tcl_SetResult(ptr->ip, Tcl_GetStringFromObj(resultPtr, &len),
TCL_VOLATILE);
#endif
}
else
#endif
{
#if TCL_MAJOR_VERSION >= 8
ptr->return_value = (*info.proc)(info.clientData, ptr->ip,
argc, (CONST84 char **)argv);
free(argv);
#else /* TCL_MAJOR_VERSION < 8 */
ptr->return_value = (*info.proc)(info.clientData, ptr->ip,
argc, argv);
#endif
}
rb_thread_critical = thr_crit_bup;
/* exception on mainloop */
if (ptr->return_value == TCL_ERROR) {
if (event_loop_abort_on_exc > 0 && !Tcl_InterpDeleted(ptr->ip)) {
#if TCL_MAJOR_VERSION >= 8
return create_ip_exc(interp, rb_eRuntimeError,
"%s", Tcl_GetStringResult(ptr->ip));
#else /* TCL_MAJOR_VERSION < 8 */
return create_ip_exc(interp, rb_eRuntimeError,
"%s", ptr->ip->result);
#endif
} else {
if (event_loop_abort_on_exc < 0) {
#if TCL_MAJOR_VERSION >= 8
rb_warning("%s (ignore)", Tcl_GetStringResult(ptr->ip));
#else /* TCL_MAJOR_VERSION < 8 */
rb_warning("%s (ignore)", ptr->ip->result);
#endif
} else {
#if TCL_MAJOR_VERSION >= 8
rb_warn("%s (ignore)", Tcl_GetStringResult(ptr->ip));
#else /* TCL_MAJOR_VERSION < 8 */
rb_warn("%s (ignore)", ptr->ip->result);
#endif
}
Tcl_ResetResult(ptr->ip);
return rb_tainted_str_new2("");
}
}
/* pass back the result (as string) */
return ip_get_result_string_obj(ptr->ip);
}
#if TCL_MAJOR_VERSION >= 8
static Tcl_Obj **
#else /* TCL_MAJOR_VERSION < 8 */
static char **
#endif
alloc_invoke_arguments(argc, argv)
int argc;
VALUE *argv;
{
int i;
VALUE v;
char *s;
int thr_crit_bup;
#if TCL_MAJOR_VERSION >= 8
Tcl_Obj **av = (Tcl_Obj **)NULL;
Tcl_Obj *resultPtr;
#else /* TCL_MAJOR_VERSION < 8 */
char **av = (char **)NULL;
#endif
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
/* memory allocation */
#if TCL_MAJOR_VERSION >= 8
av = (Tcl_Obj **)ALLOC_N(Tcl_Obj *, argc+1);
for (i = 0; i < argc; ++i) {
VALUE enc;
v = argv[i];
s = StringValuePtr(v);
# if TCL_MAJOR_VERSION == 8 && TCL_MINOR_VERSION == 0
av[i] = Tcl_NewStringObj(s, RSTRING(v)->len);
# else /* TCL_VERSION >= 8.1 */
enc = Qnil;
if (RTEST(rb_ivar_defined(v, ID_at_enc))) {
enc = rb_ivar_get(v, ID_at_enc);
}
if (!NIL_P(enc) && strcmp(StringValuePtr(enc), "binary") == 0) {
/* binary string */
av[i] = Tcl_NewByteArrayObj(s, RSTRING(v)->len);
} else if (strlen(s) != RSTRING(v)->len) {
/* probably binary string */
av[i] = Tcl_NewByteArrayObj(s, RSTRING(v)->len);
} else {
/* probably text string */
av[i] = Tcl_NewStringObj(s, RSTRING(v)->len);
}
# endif
Tcl_IncrRefCount(av[i]);
}
av[argc] = (Tcl_Obj *)NULL;
#else /* TCL_MAJOR_VERSION < 8 */
/* string interface */
av = (char **)ALLOC_N(char *, argc+1);
for (i = 0; i < argc; ++i) {
v = argv[i];
s = StringValuePtr(v);
av[i] = ALLOC_N(char, strlen(s)+1);
strcpy(av[i], s);
}
av[argc] = (char *)NULL;
#endif
rb_thread_critical = thr_crit_bup;
return av;
}
static void
free_invoke_arguments(argc, av)
int argc;
#if TCL_MAJOR_VERSION >= 8
Tcl_Obj **av;
#else /* TCL_MAJOR_VERSION < 8 */
char **av;
#endif
{
int i;
for (i = 0; i < argc; ++i) {
#if TCL_MAJOR_VERSION >= 8
Tcl_DecrRefCount(av[i]);
#else /* TCL_MAJOR_VERSION < 8 */
free(av[i]);
#endif
}
free(av);
}
static VALUE
ip_invoke_real(argc, argv, interp)
int argc;
VALUE *argv;
VALUE interp;
{
VALUE v;
struct tcltkip *ptr; /* tcltkip data struct */
int i;
Tcl_CmdInfo info;
char *s;
int len;
int thr_crit_bup;
#if TCL_MAJOR_VERSION >= 8
Tcl_Obj **av = (Tcl_Obj **)NULL;
Tcl_Obj *resultPtr;
#else /* TCL_MAJOR_VERSION < 8 */
char **av = (char **)NULL;
#endif
DUMP2("invoke_real called by thread:%lx", rb_thread_current());
/* allocate memory for arguments */
av = alloc_invoke_arguments(argc, argv);
/* get the data struct */
ptr = get_ip(interp);
/* ip is deleted? */
if (Tcl_InterpDeleted(ptr->ip)) {
DUMP1("ip is deleted");
return rb_tainted_str_new2("");
}
/* Invoke the C procedure */
Tcl_ResetResult(ptr->ip);
v = ip_invoke_core(interp, argc, av);
/* free allocated memory */
free_invoke_arguments(argc, av);
return v;
}
VALUE
ivq_safelevel_handler(arg, ivq)
VALUE arg;
VALUE ivq;
{
struct invoke_queue *q;
Data_Get_Struct(ivq, struct invoke_queue, q);
DUMP2("(safe-level handler) $SAFE = %d", q->safe_level);
rb_set_safe_level(q->safe_level);
return ip_invoke_core(q->interp, q->argc, q->argv);
}
int invoke_queue_handler _((Tcl_Event *, int));
int
invoke_queue_handler(evPtr, flags)
Tcl_Event *evPtr;
int flags;
{
struct invoke_queue *q = (struct invoke_queue *)evPtr;
volatile VALUE ret;
volatile VALUE q_dat;
DUMP2("do_invoke_queue_handler : evPtr = %p", evPtr);
DUMP2("invoke queue_thread : %lx", rb_thread_current());
DUMP2("added by thread : %lx", q->thread);
if (*(q->done)) {
DUMP1("processed by another event-loop");
return 0;
} else {
DUMP1("process it on current event-loop");
}
/* process it */
*(q->done) = 1;
/* check safe-level */
if (rb_safe_level() != q->safe_level) {
/* q_dat = Data_Wrap_Struct(rb_cData,0,0,q); */
q_dat = Data_Wrap_Struct(rb_cData,invoke_queue_mark,0,q);
ret = rb_funcall(rb_proc_new(ivq_safelevel_handler, q_dat),
ID_call, 0);
rb_gc_force_recycle(q_dat);
} else {
DUMP2("call invoke_real (for caller thread:%lx)", q->thread);
DUMP2("call invoke_real (current thread:%lx)", rb_thread_current());
ret = ip_invoke_core(q->interp, q->argc, q->argv);
}
/* set result */
RARRAY(q->result)->ptr[0] = ret;
/* complete */
*(q->done) = -1;
/* back to caller */
DUMP2("back to caller (caller thread:%lx)", q->thread);
DUMP2(" (current thread:%lx)", rb_thread_current());
rb_thread_run(q->thread);
DUMP1("finish back to caller");
/* end of handler : remove it */
return 1;
}
static VALUE
ip_invoke_with_position(argc, argv, obj, position)
int argc;
VALUE *argv;
VALUE obj;
Tcl_QueuePosition position;
{
struct invoke_queue *ivq;
char *s;
int len;
int i;
int *alloc_done;
int thr_crit_bup;
volatile VALUE current = rb_thread_current();
volatile VALUE ip_obj = obj;
volatile VALUE result;
volatile VALUE ret;
#if TCL_MAJOR_VERSION >= 8
Tcl_Obj **av = (Tcl_Obj **)NULL;
#else /* TCL_MAJOR_VERSION < 8 */
char **av = (char **)NULL;
#endif
if (argc < 1) {
rb_raise(rb_eArgError, "command name missing");
}
if (eventloop_thread == 0 || current == eventloop_thread) {
if (eventloop_thread) {
DUMP2("invoke from current eventloop %lx", current);
} else {
DUMP2("invoke from thread:%lx but no eventloop", current);
}
result = ip_invoke_real(argc, argv, ip_obj);
if (rb_obj_is_kind_of(result, rb_eException)) {
rb_exc_raise(result);
}
return result;
}
DUMP2("invoke from thread %lx (NOT current eventloop)", current);
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
/* allocate memory (for arguments) */
av = alloc_invoke_arguments(argc, argv);
/* allocate memory (keep result) */
alloc_done = (int*)ALLOC(int);
*alloc_done = 0;
/* allocate memory (freed by Tcl_ServiceEvent) */
ivq = (struct invoke_queue *)Tcl_Alloc(sizeof(struct invoke_queue));
Tcl_Preserve(ivq);
/* allocate result obj */
result = rb_ary_new2(1);
RARRAY(result)->ptr[0] = Qnil;
RARRAY(result)->len = 1;
/* construct event data */
ivq->done = alloc_done;
ivq->argc = argc;
ivq->argv = av;
ivq->interp = ip_obj;
ivq->result = result;
ivq->thread = current;
ivq->safe_level = rb_safe_level();
ivq->ev.proc = invoke_queue_handler;
/* add the handler to Tcl event queue */
DUMP1("add handler");
Tcl_QueueEvent(&(ivq->ev), position);
rb_thread_critical = thr_crit_bup;
/* wait for the handler to be processed */
DUMP2("wait for handler (current thread:%lx)", current);
while(*alloc_done >= 0) {
rb_thread_stop();
}
DUMP2("back from handler (current thread:%lx)", current);
/* get result & free allocated memory */
ret = RARRAY(result)->ptr[0];
free(alloc_done);
Tcl_Release(ivq);
/* free allocated memory */
free_invoke_arguments(argc, av);
/* exception? */
if (rb_obj_is_kind_of(ret, rb_eException)) {
DUMP1("raise exception");
rb_exc_raise(ret);
}
DUMP1("exit ip_invoke");
return ret;
}
/* get return code from Tcl_Eval() */
static VALUE
ip_retval(self)
VALUE self;
{
struct tcltkip *ptr; /* tcltkip data struct */
/* get the data strcut */
ptr = get_ip(self);
/* ip is deleted? */
if (Tcl_InterpDeleted(ptr->ip)) {
DUMP1("ip is deleted");
return rb_tainted_str_new2("");
}
return (INT2FIX(ptr->return_value));
}
static VALUE
ip_invoke(argc, argv, obj)
int argc;
VALUE *argv;
VALUE obj;
{
return ip_invoke_with_position(argc, argv, obj, TCL_QUEUE_TAIL);
}
static VALUE
ip_invoke_immediate(argc, argv, obj)
int argc;
VALUE *argv;
VALUE obj;
{
return ip_invoke_with_position(argc, argv, obj, TCL_QUEUE_HEAD);
}
/* access Tcl variables */
static VALUE
ip_get_variable(self, varname_arg, flag_arg)
VALUE self;
VALUE varname_arg;
VALUE flag_arg;
{
struct tcltkip *ptr = get_ip(self);
int thr_crit_bup;
volatile VALUE varname, flag;
varname = varname_arg;
flag = flag_arg;
StringValue(varname);
#if TCL_MAJOR_VERSION >= 8
{
Tcl_Obj *nameobj, *ret;
char *s;
int len;
volatile VALUE strval;
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
nameobj = Tcl_NewStringObj(RSTRING(varname)->ptr,
RSTRING(varname)->len);
Tcl_IncrRefCount(nameobj);
/* ip is deleted? */
if (Tcl_InterpDeleted(ptr->ip)) {
DUMP1("ip is deleted");
Tcl_DecrRefCount(nameobj);
rb_thread_critical = thr_crit_bup;
return rb_tainted_str_new2("");
} else {
/* Tcl_Preserve(ptr->ip); */
rbtk_preserve_ip(ptr);
ret = Tcl_ObjGetVar2(ptr->ip, nameobj, (Tcl_Obj*)NULL,
FIX2INT(flag));
}
Tcl_DecrRefCount(nameobj);
if (ret == (Tcl_Obj*)NULL) {
volatile VALUE exc;
#if TCL_MAJOR_VERSION >= 8
exc = rb_exc_new2(rb_eRuntimeError, Tcl_GetStringResult(ptr->ip));
#else /* TCL_MAJOR_VERSION < 8 */
exc = rb_exc_new2(rb_eRuntimeError, ptr->ip->result);
#endif
/* Tcl_Release(ptr->ip); */
rbtk_release_ip(ptr);
rb_thread_critical = thr_crit_bup;
rb_exc_raise(exc);
}
Tcl_IncrRefCount(ret);
# if TCL_MAJOR_VERSION == 8 && TCL_MINOR_VERSION == 0
s = Tcl_GetStringFromObj(ret, &len);
strval = rb_tainted_str_new(s, len);
Tcl_DecrRefCount(ret);
/* Tcl_Release(ptr->ip); */
rbtk_release_ip(ptr);
rb_thread_critical = thr_crit_bup;
return(strval);
# else /* TCL_VERSION >= 8.1 */
if (Tcl_GetCharLength(ret)
!= Tcl_UniCharLen(Tcl_GetUnicode(ret))) {
/* possibly binary string */
s = Tcl_GetByteArrayFromObj(ret, &len);
strval = rb_tainted_str_new(s, len);
rb_ivar_set(strval, ID_at_enc, rb_tainted_str_new2("binary"));
} else {
/* possibly text string */
s = Tcl_GetStringFromObj(ret, &len);
strval = rb_tainted_str_new(s, len);
}
Tcl_DecrRefCount(ret);
/* Tcl_Release(ptr->ip); */
rbtk_release_ip(ptr);
rb_thread_critical = thr_crit_bup;
return(strval);
# endif
}
#else /* TCL_MAJOR_VERSION < 8 */
{
char *ret;
/* ip is deleted? */
if (Tcl_InterpDeleted(ptr->ip)) {
DUMP1("ip is deleted");
return rb_tainted_str_new2("");
} else {
/* Tcl_Preserve(ptr->ip); */
rbtk_preserve_ip(ptr);
ret = Tcl_GetVar2(ptr->ip, RSTRING(varname)->ptr,
(char*)NULL, FIX2INT(flag));
}
if (ret == (char*)NULL) {
volatile VALUE exc;
#if TCL_MAJOR_VERSION >= 8
exc = rb_exc_new2(rb_eRuntimeError, Tcl_GetStringResult(ptr->ip));
#else /* TCL_MAJOR_VERSION < 8 */
exc = rb_exc_new2(rb_eRuntimeError, ptr->ip->result);
#endif
/* Tcl_Release(ptr->ip); */
rbtk_release_ip(ptr);
rb_thread_critical = thr_crit_bup;
rb_exc_raise(exc);
}
strval = rb_tainted_str_new2(ret);
/* Tcl_Release(ptr->ip); */
rbtk_release_ip(ptr);
rb_thread_critical = thr_crit_bup;
return(strval);
}
#endif
}
static VALUE
ip_get_variable2(self, varname_arg, index_arg, flag_arg)
VALUE self;
VALUE varname_arg;
VALUE index_arg;
VALUE flag_arg;
{
struct tcltkip *ptr = get_ip(self);
int thr_crit_bup;
volatile VALUE varname, index, flag;
if (NIL_P(index_arg)) {
return ip_get_variable(self, varname_arg, flag_arg);
}
varname = varname_arg;
index = index_arg;
flag = flag_arg;
StringValue(varname);
StringValue(index);
#if TCL_MAJOR_VERSION >= 8
{
Tcl_Obj *nameobj, *idxobj, *ret;
char *s;
int len;
volatile VALUE strval;
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
nameobj = Tcl_NewStringObj(RSTRING(varname)->ptr,
RSTRING(varname)->len);
Tcl_IncrRefCount(nameobj);
idxobj = Tcl_NewStringObj(RSTRING(index)->ptr, RSTRING(index)->len);
Tcl_IncrRefCount(idxobj);
/* ip is deleted? */
if (Tcl_InterpDeleted(ptr->ip)) {
DUMP1("ip is deleted");
Tcl_DecrRefCount(nameobj);
Tcl_DecrRefCount(idxobj);
rb_thread_critical = thr_crit_bup;
return rb_tainted_str_new2("");
} else {
/* Tcl_Preserve(ptr->ip); */
rbtk_preserve_ip(ptr);
ret = Tcl_ObjGetVar2(ptr->ip, nameobj, idxobj, FIX2INT(flag));
}
Tcl_DecrRefCount(nameobj);
Tcl_DecrRefCount(idxobj);
if (ret == (Tcl_Obj*)NULL) {
volatile VALUE exc;
#if TCL_MAJOR_VERSION >= 8
exc = rb_exc_new2(rb_eRuntimeError, Tcl_GetStringResult(ptr->ip));
#else /* TCL_MAJOR_VERSION < 8 */
exc = rb_exc_new2(rb_eRuntimeError, ptr->ip->result);
#endif
/* Tcl_Release(ptr->ip); */
rbtk_release_ip(ptr);
rb_thread_critical = thr_crit_bup;
rb_exc_raise(exc);
}
Tcl_IncrRefCount(ret);
# if TCL_MAJOR_VERSION == 8 && TCL_MINOR_VERSION == 0
s = Tcl_GetStringFromObj(ret, &len);
strval = rb_tainted_str_new(s, len);
Tcl_DecrRefCount(ret);
/* Tcl_Release(ptr->ip); */
rbtk_release_ip(ptr);
rb_thread_critical = thr_crit_bup;
return(strval);
# else /* TCL_VERSION >= 8.1 */
if (Tcl_GetCharLength(ret)
!= Tcl_UniCharLen(Tcl_GetUnicode(ret))) {
/* possibly binary string */
s = Tcl_GetByteArrayFromObj(ret, &len);
strval = rb_tainted_str_new(s, len);
rb_ivar_set(strval, ID_at_enc, rb_tainted_str_new2("binary"));
} else {
/* possibly text string */
s = Tcl_GetStringFromObj(ret, &len);
strval = rb_tainted_str_new(s, len);
}
Tcl_DecrRefCount(ret);
/* Tcl_Release(ptr->ip); */
rbtk_release_ip(ptr);
rb_thread_critical = thr_crit_bup;
return(strval);
# endif
}
#else /* TCL_MAJOR_VERSION < 8 */
{
char *ret;
/* ip is deleted? */
if (Tcl_InterpDeleted(ptr->ip)) {
DUMP1("ip is deleted");
return rb_tainted_str_new2("");
} else {
/* Tcl_Preserve(ptr->ip); */
rbtk_preserve_ip(ptr);
ret = Tcl_GetVar2(ptr->ip, RSTRING(varname)->ptr,
RSTRING(index)->ptr, FIX2INT(flag));
}
if (ret == (char*)NULL) {
volatile VALUE exc;
#if TCL_MAJOR_VERSION >= 8
exc = rb_exc_new2(rb_eRuntimeError, Tcl_GetStringResult(ptr->ip));
#else /* TCL_MAJOR_VERSION < 8 */
exc = rb_exc_new2(rb_eRuntimeError, ptr->ip->result);
#endif
/* Tcl_Release(ptr->ip); */
rbtk_release_ip(ptr);
rb_thread_critical = thr_crit_bup;
rb_exc_raise(exc);
}
strval = rb_tainted_str_new2(ret);
/* Tcl_Release(ptr->ip); */
rbtk_release_ip(ptr);
rb_thread_critical = thr_crit_bup;
return(strval);
}
#endif
}
static VALUE
ip_set_variable(self, varname_arg, value_arg, flag_arg)
VALUE self;
VALUE varname_arg;
VALUE value_arg;
VALUE flag_arg;
{
struct tcltkip *ptr = get_ip(self);
int thr_crit_bup;
volatile VALUE varname, value, flag;
varname = varname_arg;
value = value_arg;
flag = flag_arg;
StringValue(varname);
StringValue(value);
#if TCL_MAJOR_VERSION >= 8
{
Tcl_Obj *nameobj, *valobj, *ret;
char *s;
int len;
volatile VALUE strval;
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
nameobj = Tcl_NewStringObj(RSTRING(varname)->ptr,
RSTRING(varname)->len);
Tcl_IncrRefCount(nameobj);
# if TCL_MAJOR_VERSION == 8 && TCL_MINOR_VERSION == 0
valobj = Tcl_NewStringObj(RSTRING(value)->ptr,
RSTRING(value)->len);
Tcl_IncrRefCount(valobj);
# else /* TCL_VERSION >= 8.1 */
{
volatile VALUE enc = Qnil;
if (RTEST(rb_ivar_defined(value, ID_at_enc))) {
enc = rb_ivar_get(value, ID_at_enc);
}
if (!NIL_P(enc) && strcmp(StringValuePtr(enc), "binary") == 0) {
/* binary string */
valobj = Tcl_NewByteArrayObj(RSTRING(value)->ptr,
RSTRING(value)->len);
} else if (strlen(RSTRING(value)->ptr) != RSTRING(value)->len) {
/* probably binary string */
valobj = Tcl_NewByteArrayObj(RSTRING(value)->ptr,
RSTRING(value)->len);
} else {
/* probably text string */
valobj = Tcl_NewStringObj(RSTRING(value)->ptr,
RSTRING(value)->len);
}
Tcl_IncrRefCount(valobj);
}
# endif
/* ip is deleted? */
if (Tcl_InterpDeleted(ptr->ip)) {
DUMP1("ip is deleted");
Tcl_DecrRefCount(nameobj);
Tcl_DecrRefCount(valobj);
rb_thread_critical = thr_crit_bup;
return rb_tainted_str_new2("");
} else {
/* Tcl_Preserve(ptr->ip); */
rbtk_preserve_ip(ptr);
ret = Tcl_ObjSetVar2(ptr->ip, nameobj, (Tcl_Obj*)NULL, valobj,
FIX2INT(flag));
}
Tcl_DecrRefCount(nameobj);
Tcl_DecrRefCount(valobj);
if (ret == (Tcl_Obj*)NULL) {
volatile VALUE exc;
#if TCL_MAJOR_VERSION >= 8
exc = rb_exc_new2(rb_eRuntimeError, Tcl_GetStringResult(ptr->ip));
#else /* TCL_MAJOR_VERSION < 8 */
exc = rb_exc_new2(rb_eRuntimeError, ptr->ip->result);
#endif
/* Tcl_Release(ptr->ip); */
rbtk_release_ip(ptr);
rb_thread_critical = thr_crit_bup;
rb_exc_raise(exc);
}
Tcl_IncrRefCount(ret);
# if TCL_MAJOR_VERSION == 8 && TCL_MINOR_VERSION == 0
s = Tcl_GetStringFromObj(ret, &len);
strval = rb_tainted_str_new(s, len);
# else /* TCL_VERSION >= 8.1 */
{
VALUE old_gc;
old_gc = rb_gc_disable();
if (Tcl_GetCharLength(ret) != Tcl_UniCharLen(Tcl_GetUnicode(ret))) {
/* possibly binary string */
s = Tcl_GetByteArrayFromObj(ret, &len);
strval = rb_tainted_str_new(s, len);
rb_ivar_set(strval, ID_at_enc, rb_str_new2("binary"));
} else {
/* possibly text string */
s = Tcl_GetStringFromObj(ret, &len);
strval = rb_tainted_str_new(s, len);
}
if (old_gc == Qfalse) rb_gc_enable();
}
# endif
Tcl_DecrRefCount(ret);
/* Tcl_Release(ptr->ip); */
rbtk_release_ip(ptr);
rb_thread_critical = thr_crit_bup;
return(strval);
}
#else /* TCL_MAJOR_VERSION < 8 */
{
CONST char *ret;
/* ip is deleted? */
if (Tcl_InterpDeleted(ptr->ip)) {
DUMP1("ip is deleted");
return rb_tainted_str_new2("");
} else {
/* Tcl_Preserve(ptr->ip); */
rbtk_preserve_ip(ptr);
ret = Tcl_SetVar2(ptr->ip, RSTRING(varname)->ptr, (char*)NULL,
RSTRING(value)->ptr, (int)FIX2INT(flag));
}
if (ret == NULL) {
rb_raise(rb_eRuntimeError, "%s", ptr->ip->result);
}
strval = rb_tainted_str_new2(ret);
/* Tcl_Release(ptr->ip); */
rbtk_release_ip(ptr);
rb_thread_critical = thr_crit_bup;
return(strval);
}
#endif
}
static VALUE
ip_set_variable2(self, varname_arg, index_arg, value_arg, flag_arg)
VALUE self;
VALUE varname_arg;
VALUE index_arg;
VALUE value_arg;
VALUE flag_arg;
{
struct tcltkip *ptr = get_ip(self);
int thr_crit_bup;
volatile VALUE varname, index, value, flag;
if (NIL_P(index_arg)) {
return ip_set_variable(self, varname_arg, value_arg, flag_arg);
}
varname = varname_arg;
index = index_arg;
value = value_arg;
flag = flag_arg;
StringValue(varname);
StringValue(index);
StringValue(value);
#if TCL_MAJOR_VERSION >= 8
{
Tcl_Obj *nameobj, *idxobj, *valobj, *ret;
char *s;
int len;
volatile VALUE strval;
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
nameobj = Tcl_NewStringObj(RSTRING(varname)->ptr,
RSTRING(varname)->len);
Tcl_IncrRefCount(nameobj);
idxobj = Tcl_NewStringObj(RSTRING(index)->ptr,
RSTRING(index)->len);
Tcl_IncrRefCount(idxobj);
# if TCL_MAJOR_VERSION == 8 && TCL_MINOR_VERSION == 0
valobj = Tcl_NewStringObj(RSTRING(value)->ptr,
RSTRING(value)->len);
# else /* TCL_VERSION >= 8.1 */
{
VALUE enc = Qnil;
if (RTEST(rb_ivar_defined(value, ID_at_enc))) {
enc = rb_ivar_get(value, ID_at_enc);
}
if (!NIL_P(enc) && strcmp(StringValuePtr(enc), "binary") == 0) {
/* binary string */
valobj = Tcl_NewByteArrayObj(RSTRING(value)->ptr,
RSTRING(value)->len);
} else if (strlen(RSTRING(value)->ptr) != RSTRING(value)->len) {
/* probably binary string */
valobj = Tcl_NewByteArrayObj(RSTRING(value)->ptr,
RSTRING(value)->len);
} else {
/* probably text string */
valobj = Tcl_NewStringObj(RSTRING(value)->ptr,
RSTRING(value)->len);
}
}
# endif
Tcl_IncrRefCount(valobj);
/* ip is deleted? */
if (Tcl_InterpDeleted(ptr->ip)) {
DUMP1("ip is deleted");
Tcl_DecrRefCount(nameobj);
Tcl_DecrRefCount(idxobj);
Tcl_DecrRefCount(valobj);
rb_thread_critical = thr_crit_bup;
return rb_tainted_str_new2("");
} else {
/* Tcl_Preserve(ptr->ip); */
rbtk_preserve_ip(ptr);
ret = Tcl_ObjSetVar2(ptr->ip, nameobj, idxobj, valobj,
FIX2INT(flag));
}
Tcl_DecrRefCount(nameobj);
Tcl_DecrRefCount(idxobj);
Tcl_DecrRefCount(valobj);
if (ret == (Tcl_Obj*)NULL) {
volatile VALUE exc;
#if TCL_MAJOR_VERSION >= 8
exc = rb_exc_new2(rb_eRuntimeError, Tcl_GetStringResult(ptr->ip));
#else /* TCL_MAJOR_VERSION < 8 */
exc = rb_exc_new2(rb_eRuntimeError, ptr->ip->result);
#endif
/* Tcl_Release(ptr->ip); */
rbtk_release_ip(ptr);
rb_thread_critical = thr_crit_bup;
rb_exc_raise(exc);
}
Tcl_IncrRefCount(ret);
# if TCL_MAJOR_VERSION == 8 && TCL_MINOR_VERSION == 0
s = Tcl_GetStringFromObj(ret, &len);
strval = rb_tainted_str_new(s, len);
# else /* TCL_VERSION >= 8.1 */
if (Tcl_GetCharLength(ret) != Tcl_UniCharLen(Tcl_GetUnicode(ret))) {
/* possibly binary string */
s = Tcl_GetByteArrayFromObj(ret, &len);
strval = rb_tainted_str_new(s, len);
rb_ivar_set(strval, ID_at_enc, rb_str_new2("binary"));
} else {
/* possibly text string */
s = Tcl_GetStringFromObj(ret, &len);
strval = rb_tainted_str_new(s, len);
}
# endif
Tcl_DecrRefCount(ret);
/* Tcl_Release(ptr->ip); */
rbtk_release_ip(ptr);
rb_thread_critical = thr_crit_bup;
return(strval);
}
#else /* TCL_MAJOR_VERSION < 8 */
{
CONST char *ret;
/* ip is deleted? */
if (Tcl_InterpDeleted(ptr->ip)) {
DUMP1("ip is deleted");
return rb_tainted_str_new2("");
} else {
/* Tcl_Preserve(ptr->ip); */
rbtk_preserve_ip(ptr);
ret = Tcl_SetVar2(ptr->ip, RSTRING(varname)->ptr,
RSTRING(index)->ptr,
RSTRING(value)->ptr, FIX2INT(flag));
}
if (ret == (char*)NULL) {
rb_raise(rb_eRuntimeError, "%s", ptr->ip->result);
}
Tcl_IncrRefCount(ret);
strval = rb_tainted_str_new2(ret);
Tcl_DecrRefCount(ret);
/* Tcl_Release(ptr->ip); */
rbtk_release_ip(ptr);
rb_thread_critical = thr_crit_bup;
return(strval);
}
#endif
}
static VALUE
ip_unset_variable(self, varname_arg, flag_arg)
VALUE self;
VALUE varname_arg;
VALUE flag_arg;
{
struct tcltkip *ptr = get_ip(self);
volatile VALUE varname, value, flag;
varname = varname_arg;
flag = flag_arg;
StringValue(varname);
/* ip is deleted? */
if (Tcl_InterpDeleted(ptr->ip)) {
DUMP1("ip is deleted");
return Qtrue;
}
ptr->return_value = Tcl_UnsetVar(ptr->ip, RSTRING(varname)->ptr,
FIX2INT(flag));
if (ptr->return_value == TCL_ERROR) {
if (FIX2INT(flag) & TCL_LEAVE_ERR_MSG) {
#if TCL_MAJOR_VERSION >= 8
rb_raise(rb_eRuntimeError, "%s", Tcl_GetStringResult(ptr->ip));
#else /* TCL_MAJOR_VERSION < 8 */
rb_raise(rb_eRuntimeError, "%s", ptr->ip->result);
#endif
}
return Qfalse;
}
return Qtrue;
}
static VALUE
ip_unset_variable2(self, varname_arg, index_arg, flag_arg)
VALUE self;
VALUE varname_arg;
VALUE index_arg;
VALUE flag_arg;
{
struct tcltkip *ptr = get_ip(self);
volatile VALUE varname, index, value, flag;
if (NIL_P(index_arg)) {
return ip_unset_variable(self, varname_arg, flag_arg);
}
varname = varname_arg;
index = index_arg;
flag = flag_arg;
StringValue(varname);
StringValue(index);
/* ip is deleted? */
if (Tcl_InterpDeleted(ptr->ip)) {
DUMP1("ip is deleted");
return Qtrue;
}
ptr->return_value = Tcl_UnsetVar2(ptr->ip, RSTRING(varname)->ptr,
RSTRING(index)->ptr, FIX2INT(flag));
if (ptr->return_value == TCL_ERROR) {
if (FIX2INT(flag) & TCL_LEAVE_ERR_MSG) {
#if TCL_MAJOR_VERSION >= 8
rb_raise(rb_eRuntimeError, "%s", Tcl_GetStringResult(ptr->ip));
#else /* TCL_MAJOR_VERSION < 8 */
rb_raise(rb_eRuntimeError, "%s", ptr->ip->result);
#endif
}
return Qfalse;
}
return Qtrue;
}
static VALUE
ip_get_global_var(self, varname)
VALUE self;
VALUE varname;
{
return ip_get_variable(self, varname,
INT2FIX(TCL_GLOBAL_ONLY | TCL_LEAVE_ERR_MSG));
}
static VALUE
ip_get_global_var2(self, varname, index)
VALUE self;
VALUE varname;
VALUE index;
{
return ip_get_variable2(self, varname, index,
INT2FIX(TCL_GLOBAL_ONLY | TCL_LEAVE_ERR_MSG));
}
static VALUE
ip_set_global_var(self, varname, value)
VALUE self;
VALUE varname;
VALUE value;
{
return ip_set_variable(self, varname, value,
INT2FIX(TCL_GLOBAL_ONLY | TCL_LEAVE_ERR_MSG));
}
static VALUE
ip_set_global_var2(self, varname, index, value)
VALUE self;
VALUE varname;
VALUE index;
VALUE value;
{
return ip_set_variable2(self, varname, index, value,
INT2FIX(TCL_GLOBAL_ONLY | TCL_LEAVE_ERR_MSG));
}
static VALUE
ip_unset_global_var(self, varname)
VALUE self;
VALUE varname;
{
return ip_unset_variable(self, varname,
INT2FIX(TCL_GLOBAL_ONLY | TCL_LEAVE_ERR_MSG));
}
static VALUE
ip_unset_global_var2(self, varname, index)
VALUE self;
VALUE varname;
VALUE index;
{
return ip_unset_variable2(self, varname, index,
INT2FIX(TCL_GLOBAL_ONLY | TCL_LEAVE_ERR_MSG));
}
/* treat Tcl_List */
static VALUE
lib_split_tklist_core(ip_obj, list_str)
VALUE ip_obj;
VALUE list_str;
{
Tcl_Interp *interp;
volatile VALUE ary, elem;
int idx;
int taint_flag = OBJ_TAINTED(list_str);
int result;
VALUE old_gc;
if (NIL_P(ip_obj)) {
interp = (Tcl_Interp *)NULL;
} else {
interp = get_ip(ip_obj)->ip;
}
StringValue(list_str);
{
#if TCL_MAJOR_VERSION >= 8
/* object style interface */
Tcl_Obj *listobj;
int objc;
Tcl_Obj **objv;
int thr_crit_bup;
# if 1
# if TCL_MAJOR_VERSION == 8 && TCL_MINOR_VERSION == 0
listobj = Tcl_NewStringObj(RSTRING(list_str)->ptr,
RSTRING(list_str)->len);
# else /* TCL_VERSION >= 8.1 */
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
{
VALUE enc = Qnil;
if (RTEST(rb_ivar_defined(list_str, ID_at_enc))) {
enc = rb_ivar_get(list_str, ID_at_enc);
}
if (!NIL_P(enc) && strcmp(StringValuePtr(enc), "binary") == 0) {
/* binary string */
listobj = Tcl_NewByteArrayObj(RSTRING(list_str)->ptr,
RSTRING(list_str)->len);
} else if (strlen(RSTRING(list_str)->ptr)
!= RSTRING(list_str)->len) {
/* probably binary string */
listobj = Tcl_NewByteArrayObj(RSTRING(list_str)->ptr,
RSTRING(list_str)->len);
} else {
/* probably text string */
listobj = Tcl_NewStringObj(RSTRING(list_str)->ptr,
RSTRING(list_str)->len);
}
}
rb_thread_critical = thr_crit_bup;
# endif
# else
listobj = Tcl_NewStringObj(RSTRING(list_str)->ptr,
RSTRING(list_str)->len);
# endif
Tcl_IncrRefCount(listobj);
result = Tcl_ListObjGetElements(interp, listobj, &objc, &objv);
if (result == TCL_ERROR) {
Tcl_DecrRefCount(listobj);
if (interp == (Tcl_Interp*)NULL) {
rb_raise(rb_eRuntimeError, "cannot get elements from list");
} else {
#if TCL_MAJOR_VERSION >= 8
rb_raise(rb_eRuntimeError, "%s", Tcl_GetStringResult(interp));
#else /* TCL_MAJOR_VERSION < 8 */
rb_raise(rb_eRuntimeError, "%s", interp->result);
#endif
}
}
for(idx = 0; idx < objc; idx++) {
Tcl_IncrRefCount(objv[idx]);
}
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
ary = rb_ary_new2(objc);
if (taint_flag) OBJ_TAINT(ary);
old_gc = rb_gc_disable();
for(idx = 0; idx < objc; idx++) {
char *str;
int len;
# if 1
# if TCL_MAJOR_VERSION == 8 && TCL_MINOR_VERSION == 0
str = Tcl_GetStringFromObj(objv[idx], &len);
elem = rb_str_new(str, len);
# else /* TCL_VERSION >= 8.1 */
if (Tcl_GetCharLength(objv[idx])
!= Tcl_UniCharLen(Tcl_GetUnicode(objv[idx]))) {
/* possibly binary string */
str = Tcl_GetByteArrayFromObj(objv[idx], &len);
elem = rb_str_new(str, len);
rb_ivar_set(elem, ID_at_enc, rb_tainted_str_new2("binary"));
} else {
/* possibly text string */
str = Tcl_GetStringFromObj(objv[idx], &len);
elem = rb_str_new(str, len);
}
# endif
# else
str = Tcl_GetStringFromObj(objv[idx], &len);
elem = rb_str_new(str, len);
# endif
if (taint_flag) OBJ_TAINT(elem);
RARRAY(ary)->ptr[idx] = elem;
}
RARRAY(ary)->len = objc;
if (old_gc == Qfalse) rb_gc_enable();
rb_thread_critical = thr_crit_bup;
for(idx = 0; idx < objc; idx++) {
Tcl_DecrRefCount(objv[idx]);
}
Tcl_DecrRefCount(listobj);
#else /* TCL_MAJOR_VERSION < 8 */
/* string style interface */
int argc;
char **argv;
if (Tcl_SplitList(interp, RSTRING(list_str)->ptr,
&argc, &argv) == TCL_ERROR) {
if (interp == (Tcl_Interp*)NULL) {
rb_raise(rb_eRuntimeError, "cannot get elements from list");
} else {
rb_raise(rb_eRuntimeError, "%s", interp->result);
}
}
ary = rb_ary_new2(argc);
if (taint_flag) OBJ_TAINT(ary);
old_gc = rb_gc_disable();
for(idx = 0; idx < argc; idx++) {
if (taint_flag) {
elem = rb_tainted_str_new2(argv[idx]);
} else {
elem = rb_str_new2(argv[idx]);
}
/* rb_ivar_set(elem, ID_at_enc, rb_str_new2("binary")); */
RARRAY(ary)->ptr[idx] = elem;
}
RARRAY(ary)->len = argc;
if (old_gc == Qfalse) rb_gc_enable();
#endif
}
return ary;
}
static VALUE
lib_split_tklist(self, list_str)
VALUE self;
VALUE list_str;
{
return lib_split_tklist_core(Qnil, list_str);
}
static VALUE
ip_split_tklist(self, list_str)
VALUE self;
VALUE list_str;
{
return lib_split_tklist_core(self, list_str);
}
static VALUE
lib_merge_tklist(argc, argv, obj)
int argc;
VALUE *argv;
VALUE obj;
{
int num, len;
int *flagPtr;
char *dst, *result;
volatile VALUE str;
int taint_flag = 0;
int thr_crit_bup;
VALUE old_gc;
if (argc == 0) return rb_str_new2("");
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
old_gc = rb_gc_disable();
/* based on Tcl/Tk's Tcl_Merge() */
flagPtr = ALLOC_N(int, argc);
/* pass 1 */
len = 1;
for(num = 0; num < argc; num++) {
if (OBJ_TAINTED(argv[num])) taint_flag = 1;
dst = StringValuePtr(argv[num]);
#if TCL_MAJOR_VERSION >= 8
len += Tcl_ScanCountedElement(dst, RSTRING(argv[num])->len,
&flagPtr[num]) + 1;
#else /* TCL_MAJOR_VERSION < 8 */
len += Tcl_ScanElement(dst, &flagPtr[num]) + 1;
#endif
}
/* pass 2 */
result = (char *)Tcl_Alloc(len);
dst = result;
for(num = 0; num < argc; num++) {
#if TCL_MAJOR_VERSION >= 8
len = Tcl_ConvertCountedElement(RSTRING(argv[num])->ptr,
RSTRING(argv[num])->len,
dst, flagPtr[num]);
#else /* TCL_MAJOR_VERSION < 8 */
len = Tcl_ConvertElement(RSTRING(argv[num])->ptr, dst, flagPtr[num]);
#endif
dst += len;
*dst = ' ';
dst++;
}
if (dst == result) {
*dst = 0;
} else {
dst[-1] = 0;
}
free(flagPtr);
/* create object */
str = rb_str_new(result, dst - result - 1);
if (taint_flag) OBJ_TAINT(str);
Tcl_Free(result);
if (old_gc == Qfalse) rb_gc_enable();
rb_thread_critical = thr_crit_bup;
return str;
}
static VALUE
lib_conv_listelement(self, src)
VALUE self;
VALUE src;
{
int len, scan_flag;
volatile VALUE dst;
int taint_flag = OBJ_TAINTED(src);
int thr_crit_bup;
thr_crit_bup = rb_thread_critical;
rb_thread_critical = Qtrue;
StringValue(src);
#if TCL_MAJOR_VERSION >= 8
len = Tcl_ScanCountedElement(RSTRING(src)->ptr, RSTRING(src)->len,
&scan_flag);
dst = rb_str_new(0, len + 1);
len = Tcl_ConvertCountedElement(RSTRING(src)->ptr, RSTRING(src)->len,
RSTRING(dst)->ptr, scan_flag);
#else /* TCL_MAJOR_VERSION < 8 */
len = Tcl_ScanElement(RSTRING(src)->ptr, &scan_flag);
dst = rb_str_new(0, len + 1);
len = Tcl_ConvertElement(RSTRING(src)->ptr, RSTRING(dst)->ptr, scan_flag);
#endif
RSTRING(dst)->len = len;
RSTRING(dst)->ptr[len] = '\0';
if (taint_flag) OBJ_TAINT(dst);
rb_thread_critical = thr_crit_bup;
return dst;
}
#ifdef __MACOS__
static void
_macinit()
{
tcl_macQdPtr = &qd; /* setup QuickDraw globals */
Tcl_MacSetEventProc(TkMacConvertEvent); /* setup event handler */
}
#endif
/*---- initialization ----*/
void
Init_tcltklib()
{
int thr_crit_bup;
VALUE lib = rb_define_module("TclTkLib");
VALUE ip = rb_define_class("TclTkIp", rb_cObject);
VALUE ev_flag = rb_define_module_under(lib, "EventFlag");
VALUE var_flag = rb_define_module_under(lib, "VarAccessFlag");
/* --------------------------------------------------------------- */
#if defined USE_TCL_STUBS && defined USE_TK_STUBS
extern int ruby_tcltk_stubs();
int ret = ruby_tcltk_stubs();
if (ret)
rb_raise(rb_eLoadError, "tcltklib: tcltk_stubs init error(%d)", ret);
#endif
/* --------------------------------------------------------------- */
rb_global_variable(&eTkCallbackReturn);
rb_global_variable(&eTkCallbackBreak);
rb_global_variable(&eTkCallbackContinue);
rb_global_variable(&eventloop_thread);
rb_global_variable(&watchdog_thread);
/* --------------------------------------------------------------- */
rb_define_const(lib, "FINALIZE_PROC_NAME",
rb_str_new2(finalize_hook_name));
/* --------------------------------------------------------------- */
rb_define_const(ev_flag, "NONE", INT2FIX(0));
rb_define_const(ev_flag, "WINDOW", INT2FIX(TCL_WINDOW_EVENTS));
rb_define_const(ev_flag, "FILE", INT2FIX(TCL_FILE_EVENTS));
rb_define_const(ev_flag, "TIMER", INT2FIX(TCL_TIMER_EVENTS));
rb_define_const(ev_flag, "IDLE", INT2FIX(TCL_IDLE_EVENTS));
rb_define_const(ev_flag, "ALL", INT2FIX(TCL_ALL_EVENTS));
rb_define_const(ev_flag, "DONT_WAIT", INT2FIX(TCL_DONT_WAIT));
/* --------------------------------------------------------------- */
rb_define_const(var_flag, "NONE", INT2FIX(0));
rb_define_const(var_flag, "GLOBAL_ONLY", INT2FIX(TCL_GLOBAL_ONLY));
#ifdef TCL_NAMESPACE_ONLY
rb_define_const(var_flag, "NAMESPACE_ONLY", INT2FIX(TCL_NAMESPACE_ONLY));
#else /* probably Tcl7.6 */
rb_define_const(var_flag, "NAMESPACE_ONLY", INT2FIX(0));
#endif
rb_define_const(var_flag, "LEAVE_ERR_MSG", INT2FIX(TCL_LEAVE_ERR_MSG));
rb_define_const(var_flag, "APPEND_VALUE", INT2FIX(TCL_APPEND_VALUE));
rb_define_const(var_flag, "LIST_ELEMENT", INT2FIX(TCL_LIST_ELEMENT));
#ifdef TCL_PARSE_PART1
rb_define_const(var_flag, "PARSE_VARNAME", INT2FIX(TCL_PARSE_PART1));
#else /* probably Tcl7.6 */
rb_define_const(var_flag, "PARSE_VARNAME", INT2FIX(0));
#endif
/* --------------------------------------------------------------- */
eTkCallbackBreak = rb_define_class("TkCallbackReturn", rb_eStandardError);
eTkCallbackBreak = rb_define_class("TkCallbackBreak", rb_eStandardError);
eTkCallbackContinue = rb_define_class("TkCallbackContinue",
rb_eStandardError);
/* --------------------------------------------------------------- */
eLocalJumpError = rb_const_get(rb_cObject, rb_intern("LocalJumpError"));
ID_at_enc = rb_intern("@encoding");
ID_at_interp = rb_intern("@interp");
ID_stop_p = rb_intern("stop?");
ID_kill = rb_intern("kill");
ID_join = rb_intern("join");
ID_call = rb_intern("call");
ID_backtrace = rb_intern("backtrace");
ID_message = rb_intern("message");
ID_at_reason = rb_intern("@reason");
ID_return = rb_intern("return");
ID_break = rb_intern("break");
ID_next = rb_intern("next");
ID_to_s = rb_intern("to_s");
ID_inspect = rb_intern("inspect");
/* --------------------------------------------------------------- */
rb_define_module_function(lib, "mainloop", lib_mainloop, -1);
rb_define_module_function(lib, "mainloop_watchdog",
lib_mainloop_watchdog, -1);
rb_define_module_function(lib, "do_one_event", lib_do_one_event, -1);
rb_define_module_function(lib, "mainloop_abort_on_exception",
lib_evloop_abort_on_exc, 0);
rb_define_module_function(lib, "mainloop_abort_on_exception=",
lib_evloop_abort_on_exc_set, 1);
rb_define_module_function(lib, "set_eventloop_tick",set_eventloop_tick,1);
rb_define_module_function(lib, "get_eventloop_tick",get_eventloop_tick,0);
rb_define_module_function(lib, "set_no_event_wait", set_no_event_wait, 1);
rb_define_module_function(lib, "get_no_event_wait", get_no_event_wait, 0);
rb_define_module_function(lib, "set_eventloop_weight",
set_eventloop_weight, 2);
rb_define_module_function(lib, "set_max_block_time", set_max_block_time,1);
rb_define_module_function(lib, "get_eventloop_weight",
get_eventloop_weight, 0);
rb_define_module_function(lib, "num_of_mainwindows",
lib_num_of_mainwindows, 0);
/* --------------------------------------------------------------- */
rb_define_module_function(lib, "_split_tklist", lib_split_tklist, 1);
rb_define_module_function(lib, "_merge_tklist", lib_merge_tklist, -1);
rb_define_module_function(lib, "_conv_listelement",
lib_conv_listelement, 1);
rb_define_module_function(lib, "_toUTF8", lib_toUTF8, -1);
rb_define_module_function(lib, "_fromUTF8", lib_fromUTF8, -1);
rb_define_module_function(lib, "_subst_UTF_backslash",
lib_UTF_backslash, 1);
rb_define_module_function(lib, "_subst_Tcl_backslash",
lib_Tcl_backslash, 1);
/* --------------------------------------------------------------- */
rb_define_alloc_func(ip, ip_alloc);
rb_define_method(ip, "initialize", ip_init, -1);
rb_define_method(ip, "create_slave", ip_create_slave, -1);
rb_define_method(ip, "make_safe", ip_make_safe, 0);
rb_define_method(ip, "safe?", ip_is_safe_p, 0);
rb_define_method(ip, "allow_ruby_exit?", ip_allow_ruby_exit_p, 0);
rb_define_method(ip, "allow_ruby_exit=", ip_allow_ruby_exit_set, 1);
rb_define_method(ip, "delete", ip_delete, 0);
rb_define_method(ip, "deleted?", ip_is_deleted_p, 0);
rb_define_method(ip, "_eval", ip_eval, 1);
rb_define_method(ip, "_toUTF8", ip_toUTF8, -1);
rb_define_method(ip, "_fromUTF8", ip_fromUTF8, -1);
rb_define_method(ip, "_thread_vwait", ip_thread_vwait, 1);
rb_define_method(ip, "_thread_tkwait", ip_thread_tkwait, 2);
rb_define_method(ip, "_invoke", ip_invoke, -1);
rb_define_method(ip, "_return_value", ip_retval, 0);
/* --------------------------------------------------------------- */
rb_define_method(ip, "_get_variable", ip_get_variable, 2);
rb_define_method(ip, "_get_variable2", ip_get_variable2, 3);
rb_define_method(ip, "_set_variable", ip_set_variable, 3);
rb_define_method(ip, "_set_variable2", ip_set_variable2, 4);
rb_define_method(ip, "_unset_variable", ip_unset_variable, 2);
rb_define_method(ip, "_unset_variable2", ip_unset_variable2, 3);
rb_define_method(ip, "_get_global_var", ip_get_global_var, 1);
rb_define_method(ip, "_get_global_var2", ip_get_global_var2, 2);
rb_define_method(ip, "_set_global_var", ip_set_global_var, 2);
rb_define_method(ip, "_set_global_var2", ip_set_global_var2, 3);
rb_define_method(ip, "_unset_global_var", ip_unset_global_var, 1);
rb_define_method(ip, "_unset_global_var2", ip_unset_global_var2, 2);
/* --------------------------------------------------------------- */
rb_define_method(ip, "_split_tklist", ip_split_tklist, 1);
rb_define_method(ip, "_merge_tklist", lib_merge_tklist, -1);
rb_define_method(ip, "_conv_listelement", lib_conv_listelement, 1);
/* --------------------------------------------------------------- */
rb_define_method(ip, "mainloop", ip_mainloop, -1);
rb_define_method(ip, "mainloop_watchdog", ip_mainloop_watchdog, -1);
rb_define_method(ip, "do_one_event", ip_do_one_event, -1);
rb_define_method(ip, "mainloop_abort_on_exception",
ip_evloop_abort_on_exc, 0);
rb_define_method(ip, "mainloop_abort_on_exception=",
ip_evloop_abort_on_exc_set, 1);
rb_define_method(ip, "set_eventloop_tick", ip_set_eventloop_tick, 1);
rb_define_method(ip, "get_eventloop_tick", ip_get_eventloop_tick, 0);
rb_define_method(ip, "set_no_event_wait", ip_set_no_event_wait, 1);
rb_define_method(ip, "get_no_event_wait", ip_get_no_event_wait, 0);
rb_define_method(ip, "set_eventloop_weight", ip_set_eventloop_weight, 2);
rb_define_method(ip, "get_eventloop_weight", ip_get_eventloop_weight, 0);
rb_define_method(ip, "set_max_block_time", set_max_block_time, 1);
rb_define_method(ip, "restart", ip_restart, 0);
/* --------------------------------------------------------------- */
eventloop_thread = 0;
watchdog_thread = 0;
/* --------------------------------------------------------------- */
#ifdef __MACOS__
_macinit();
#endif
/* from Tk_Main() */
DUMP1("Tcl_FindExecutable");
Tcl_FindExecutable(RSTRING(rb_argv0)->ptr);
/* --------------------------------------------------------------- */
}
/* eof */
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