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tcltklib.c
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tcltklib.c
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/*
* tcltklib.c
* Aug. 27, 1997 Y. Shigehiro
* Oct. 24, 1997 Y. Matsumoto
*/
#define TCLTKLIB_RELEASE_DATE "2010-08-25"
/* #define CREATE_RUBYTK_KIT */
#include "ruby.h"
#ifdef HAVE_RUBY_ENCODING_H
#include "ruby/encoding.h"
#endif
#ifndef RUBY_VERSION
#define RUBY_VERSION "(unknown version)"
#endif
#ifndef RUBY_RELEASE_DATE
#define RUBY_RELEASE_DATE "unknown release-date"
#endif
#undef RUBY_UNTYPED_DATA_WARNING
#define RUBY_UNTYPED_DATA_WARNING 0
#ifdef HAVE_RB_THREAD_CHECK_TRAP_PENDING
static int rb_thread_critical; /* dummy */
int rb_thread_check_trap_pending(void);
#else
/* use rb_thread_critical on Ruby 1.8.x */
#include "rubysig.h"
#define rb_thread_check_trap_pending() (0+rb_trap_pending)
#endif
#if !defined(RSTRING_PTR)
#define RSTRING_PTR(s) (RSTRING(s)->ptr)
#define RSTRING_LEN(s) (RSTRING(s)->len)
#endif
#if !defined(RSTRING_LENINT)
#define RSTRING_LENINT(s) ((int)RSTRING_LEN(s))
#endif
#if !defined(RARRAY_PTR)
#define RARRAY_PTR(s) (RARRAY(s)->ptr)
#define RARRAY_LEN(s) (RARRAY(s)->len)
#endif
#ifdef OBJ_UNTRUST
#define RbTk_OBJ_UNTRUST(x) do {OBJ_TAINT(x); OBJ_UNTRUST(x);} while (0)
#else
#define RbTk_OBJ_UNTRUST(x) OBJ_TAINT(x)
#endif
#define RbTk_ALLOC_N(type, n) (type *)ckalloc((int)(sizeof(type) * (n)))
#if defined(HAVE_RB_PROC_NEW) && !defined(RUBY_VM)
/* Ruby 1.8 :: rb_proc_new() was hidden from intern.h at 2008/04/22 */
extern VALUE rb_proc_new _((VALUE (*)(ANYARGS/* VALUE yieldarg[, VALUE procarg] */), VALUE));
#endif
#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>
#if !defined HAVE_VSNPRINTF && !defined vsnprintf
# ifdef WIN32
/* In Win32, vsnprintf is available as the "non-ANSI" _vsnprintf. */
# define vsnprintf _vsnprintf
# else
# ifdef HAVE_RUBY_RUBY_H
# include "ruby/missing.h"
# else
# include "missing.h"
# endif
# endif
#endif
#include <tcl.h>
#include <tk.h>
#ifndef HAVE_RUBY_NATIVE_THREAD_P
#define ruby_native_thread_p() is_ruby_native_thread()
#undef RUBY_USE_NATIVE_THREAD
#else
#define RUBY_USE_NATIVE_THREAD 1
#endif
#ifndef HAVE_RB_ERRINFO
#define rb_errinfo() (ruby_errinfo+0) /* cannot be l-value */
#else
VALUE rb_errinfo(void);
#endif
#ifndef HAVE_RB_SAFE_LEVEL
#define rb_safe_level() (ruby_safe_level+0)
#endif
#ifndef HAVE_RB_SOURCEFILE
#define rb_sourcefile() (ruby_sourcefile+0)
#endif
#include "stubs.h"
#ifndef TCL_ALPHA_RELEASE
#define TCL_ALPHA_RELEASE 0 /* "alpha" */
#define TCL_BETA_RELEASE 1 /* "beta" */
#define TCL_FINAL_RELEASE 2 /* "final" */
#endif
static struct {
int major;
int minor;
int type; /* ALPHA==0, BETA==1, FINAL==2 */
int patchlevel;
} tcltk_version = {0, 0, 0, 0};
static void
set_tcltk_version(void)
{
if (tcltk_version.major) return;
Tcl_GetVersion(&(tcltk_version.major),
&(tcltk_version.minor),
&(tcltk_version.patchlevel),
&(tcltk_version.type));
}
#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
#ifndef CONST86
# if TCL_MAJOR_VERSION == 8 && TCL_MINOR_VERSION <= 5 /* Tcl8.0.x -- 8.5.x */
# define CONST86
# else
# define CONST86 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 DUMP3(ARG1, ARG2, ARG3) if (ruby_debug) { fprintf(stderr, "tcltklib: ");\
fprintf(stderr, ARG1, ARG2, ARG3); fprintf(stderr, "\n"); fflush(stderr); }
/*
#define DUMP1(ARG1)
#define DUMP2(ARG1, ARG2)
#define DUMP3(ARG1, ARG2, ARG3)
*/
/* release date */
static const char tcltklib_release_date[] = TCLTKLIB_RELEASE_DATE;
/* finalize_proc_name */
static const char finalize_hook_name[] = "INTERP_FINALIZE_HOOK";
static void ip_finalize _((Tcl_Interp*));
static void ip_free _((void *p));
static int at_exit = 0;
#ifdef HAVE_RUBY_ENCODING_H
static VALUE cRubyEncoding;
/* encoding */
static int ENCODING_INDEX_UTF8;
static int ENCODING_INDEX_BINARY;
#endif
static VALUE ENCODING_NAME_UTF8;
static VALUE ENCODING_NAME_BINARY;
static VALUE create_dummy_encoding_for_tk_core _((VALUE, VALUE, VALUE));
static VALUE create_dummy_encoding_for_tk _((VALUE, VALUE));
static int update_encoding_table _((VALUE, VALUE, VALUE));
static VALUE encoding_table_get_name_core _((VALUE, VALUE, VALUE));
static VALUE encoding_table_get_obj_core _((VALUE, VALUE, VALUE));
static VALUE encoding_table_get_name _((VALUE, VALUE));
static VALUE encoding_table_get_obj _((VALUE, VALUE));
static VALUE create_encoding_table _((VALUE));
static VALUE ip_get_encoding_table _((VALUE));
/* for callback break & continue */
static VALUE eTkCallbackReturn;
static VALUE eTkCallbackBreak;
static VALUE eTkCallbackContinue;
static VALUE eLocalJumpError;
static VALUE eTkLocalJumpError;
static VALUE eTkCallbackRetry;
static VALUE eTkCallbackRedo;
static VALUE eTkCallbackThrow;
static VALUE tcltkip_class;
static ID ID_at_enc;
static ID ID_at_interp;
static ID ID_encoding_name;
static ID ID_encoding_table;
static ID ID_stop_p;
static ID ID_alive_p;
static ID ID_kill;
static ID ID_join;
static ID ID_value;
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));
static VALUE ip_invoke_with_position _((int, VALUE*, VALUE, Tcl_QueuePosition));
static VALUE tk_funcall _((VALUE(), int, VALUE*, VALUE));
static VALUE callq_safelevel_handler _((VALUE, VALUE));
/* Tcl's object type */
#if TCL_MAJOR_VERSION >= 8
static const char Tcl_ObjTypeName_ByteArray[] = "bytearray";
static CONST86 Tcl_ObjType *Tcl_ObjType_ByteArray;
static const char Tcl_ObjTypeName_String[] = "string";
static CONST86 Tcl_ObjType *Tcl_ObjType_String;
#if TCL_MAJOR_VERSION > 8 || (TCL_MAJOR_VERSION == 8 && TCL_MINOR_VERSION >= 1)
#define IS_TCL_BYTEARRAY(obj) ((obj)->typePtr == Tcl_ObjType_ByteArray)
#define IS_TCL_STRING(obj) ((obj)->typePtr == Tcl_ObjType_String)
#define IS_TCL_VALID_STRING(obj) ((obj)->bytes != (char*)NULL)
#endif
#endif
#ifndef HAVE_RB_HASH_LOOKUP
#define rb_hash_lookup rb_hash_aref
#endif
#ifndef HAVE_RB_THREAD_ALIVE_P
#define rb_thread_alive_p(thread) rb_funcall2((thread), ID_alive_p, 0, NULL)
#endif
/* safe Tcl_Eval and Tcl_GlobalEval */
static int
#ifdef HAVE_PROTOTYPES
tcl_eval(Tcl_Interp *interp, const char *cmd)
#else
tcl_eval(interp, cmd)
Tcl_Interp *interp;
const char *cmd; /* don't have to be writable */
#endif
{
char *buf = strdup(cmd);
int ret;
Tcl_AllowExceptions(interp);
ret = Tcl_Eval(interp, buf);
free(buf);
return ret;
}
#undef Tcl_Eval
#define Tcl_Eval tcl_eval
static int
#ifdef HAVE_PROTOTYPES
tcl_global_eval(Tcl_Interp *interp, const char *cmd)
#else
tcl_global_eval(interp, cmd)
Tcl_Interp *interp;
const char *cmd; /* don't have to be writable */
#endif
{
char *buf = strdup(cmd);
int ret;
Tcl_AllowExceptions(interp);
ret = Tcl_GlobalEval(interp, buf);
free(buf);
return ret;
}
#undef Tcl_GlobalEval
#define Tcl_GlobalEval tcl_global_eval
/* Tcl_{Incr|Decr}RefCount for tcl7.x or earlier */
#if TCL_MAJOR_VERSION < 8
#define Tcl_IncrRefCount(obj) (1)
#define Tcl_DecrRefCount(obj) (1)
#endif
/* Tcl_GetStringResult for tcl7.x or earlier */
#if TCL_MAJOR_VERSION < 8
#define Tcl_GetStringResult(interp) ((interp)->result)
#endif
/* Tcl_[GS]etVar2Ex for tcl8.0 */
#if TCL_MAJOR_VERSION == 8 && TCL_MINOR_VERSION == 0
static Tcl_Obj *
Tcl_GetVar2Ex(interp, name1, name2, flags)
Tcl_Interp *interp;
CONST char *name1;
CONST char *name2;
int flags;
{
Tcl_Obj *nameObj1, *nameObj2 = NULL, *retObj;
nameObj1 = Tcl_NewStringObj((char*)name1, -1);
Tcl_IncrRefCount(nameObj1);
if (name2) {
nameObj2 = Tcl_NewStringObj((char*)name2, -1);
Tcl_IncrRefCount(nameObj2);
}
retObj = Tcl_ObjGetVar2(interp, nameObj1, nameObj2, flags);
if (name2) {
Tcl_DecrRefCount(nameObj2);
}
Tcl_DecrRefCount(nameObj1);
return retObj;
}
static Tcl_Obj *
Tcl_SetVar2Ex(interp, name1, name2, newValObj, flags)
Tcl_Interp *interp;
CONST char *name1;
CONST char *name2;
Tcl_Obj *newValObj;
int flags;
{
Tcl_Obj *nameObj1, *nameObj2 = NULL, *retObj;
nameObj1 = Tcl_NewStringObj((char*)name1, -1);
Tcl_IncrRefCount(nameObj1);
if (name2) {
nameObj2 = Tcl_NewStringObj((char*)name2, -1);
Tcl_IncrRefCount(nameObj2);
}
retObj = Tcl_ObjSetVar2(interp, nameObj1, nameObj2, newValObj, flags);
if (name2) {
Tcl_DecrRefCount(nameObj2);
}
Tcl_DecrRefCount(nameObj1);
return retObj;
}
#endif
/* from tkAppInit.c */
#if TCL_MAJOR_VERSION < 8 || (TCL_MAJOR_VERSION == 8 && TCL_MINOR_VERSION < 4)
# if !defined __MINGW32__
/*
* 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;
};
struct call_queue {
Tcl_Event ev;
VALUE (*func)();
int argc;
VALUE *argv;
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);
}
void
call_queue_mark(struct call_queue *q)
{
int i;
for(i = 0; i < q->argc; i++) {
rb_gc_mark(q->argv[i]);
}
rb_gc_mark(q->interp);
rb_gc_mark(q->result);
rb_gc_mark(q->thread);
}
static VALUE eventloop_thread;
static Tcl_Interp *eventloop_interp;
#ifdef RUBY_USE_NATIVE_THREAD
Tcl_ThreadId tk_eventloop_thread_id; /* native thread ID of Tcl interpreter */
#endif
static VALUE eventloop_stack;
static int window_event_mode = ~0;
static VALUE watchdog_thread;
Tcl_Interp *current_interp;
/* thread control strategy */
/* multi-tk works with the following settings only ???
: CONTROL_BY_STATUS_OF_RB_THREAD_WAITING_FOR_VALUE 1
: USE_TOGGLE_WINDOW_MODE_FOR_IDLE 0
: DO_THREAD_SCHEDULE_AT_CALLBACK_DONE 0
*/
#ifdef RUBY_USE_NATIVE_THREAD
#define CONTROL_BY_STATUS_OF_RB_THREAD_WAITING_FOR_VALUE 1
#define USE_TOGGLE_WINDOW_MODE_FOR_IDLE 0
#define DO_THREAD_SCHEDULE_AT_CALLBACK_DONE 1
#else /* ! RUBY_USE_NATIVE_THREAD */
#define CONTROL_BY_STATUS_OF_RB_THREAD_WAITING_FOR_VALUE 1
#define USE_TOGGLE_WINDOW_MODE_FOR_IDLE 0
#define DO_THREAD_SCHEDULE_AT_CALLBACK_DONE 0
#endif
#if CONTROL_BY_STATUS_OF_RB_THREAD_WAITING_FOR_VALUE
static int have_rb_thread_waiting_for_value = 0;
#endif
/*
* '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.
*/
#ifdef RUBY_USE_NATIVE_THREAD
#define DEFAULT_EVENT_LOOP_MAX 800/*counts*/
#define DEFAULT_NO_EVENT_TICK 10/*counts*/
#define DEFAULT_NO_EVENT_WAIT 5/*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 ) */
#else /* ! RUBY_USE_NATIVE_THREAD */
#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 ) */
#endif
#define EVENT_HANDLER_TIMEOUT 100/*milliseconds*/
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;
/* call ruby interpreter */
#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
struct cmd_body_arg {
VALUE receiver;
ID method;
VALUE args;
};
/*----------------------------*/
/* use Tcl internal functions */
/*----------------------------*/
#ifndef TCL_NAMESPACE_DEBUG
#define TCL_NAMESPACE_DEBUG 0
#endif
#if TCL_NAMESPACE_DEBUG
#if TCL_MAJOR_VERSION >= 8
EXTERN struct TclIntStubs *tclIntStubsPtr;
#endif
/*-- Tcl_GetCurrentNamespace --*/
#if TCL_MAJOR_VERSION == 8 && TCL_MINOR_VERSION < 5
/* Tcl7.x doesn't have namespace support. */
/* Tcl8.5+ has definition of Tcl_GetCurrentNamespace() in tclDecls.h */
# ifndef Tcl_GetCurrentNamespace
EXTERN Tcl_Namespace * Tcl_GetCurrentNamespace _((Tcl_Interp *));
# endif
# if defined(USE_TCL_STUBS) && !defined(USE_TCL_STUB_PROCS)
# ifndef Tcl_GetCurrentNamespace
# ifndef FunctionNum_of_GetCurrentNamespace
#define FunctionNum_of_GetCurrentNamespace 124
# endif
struct DummyTclIntStubs_for_GetCurrentNamespace {
int magic;
struct TclIntStubHooks *hooks;
void (*func[FunctionNum_of_GetCurrentNamespace])();
Tcl_Namespace * (*tcl_GetCurrentNamespace) _((Tcl_Interp *));
};
#define Tcl_GetCurrentNamespace \
(((struct DummyTclIntStubs_for_GetCurrentNamespace *)tclIntStubsPtr)->tcl_GetCurrentNamespace)
# endif
# endif
#endif
/* namespace check */
/* ip_null_namespace(Tcl_Interp *interp) */
#if TCL_MAJOR_VERSION < 8
#define ip_null_namespace(interp) (0)
#else /* support namespace */
#define ip_null_namespace(interp) \
(Tcl_GetCurrentNamespace(interp) == (Tcl_Namespace *)NULL)
#endif
/* rbtk_invalid_namespace(tcltkip *ptr) */
#if TCL_MAJOR_VERSION < 8
#define rbtk_invalid_namespace(ptr) (0)
#else /* support namespace */
#define rbtk_invalid_namespace(ptr) \
((ptr)->default_ns == (Tcl_Namespace*)NULL || Tcl_GetCurrentNamespace((ptr)->ip) != (ptr)->default_ns)
#endif
/*-- Tcl_PopCallFrame & Tcl_PushCallFrame --*/
#if TCL_MAJOR_VERSION >= 8
# ifndef CallFrame
typedef struct CallFrame {
Tcl_Namespace *nsPtr;
int dummy1;
int dummy2;
char *dummy3;
struct CallFrame *callerPtr;
struct CallFrame *callerVarPtr;
int level;
char *dummy7;
char *dummy8;
int dummy9;
char* dummy10;
} CallFrame;
# endif
# if !defined(TclGetFrame) && !defined(TclGetFrame_TCL_DECLARED)
EXTERN int TclGetFrame _((Tcl_Interp *, CONST char *, CallFrame **));
# endif
# if defined(USE_TCL_STUBS) && !defined(USE_TCL_STUB_PROCS)
# ifndef TclGetFrame
# ifndef FunctionNum_of_GetFrame
#define FunctionNum_of_GetFrame 32
# endif
struct DummyTclIntStubs_for_GetFrame {
int magic;
struct TclIntStubHooks *hooks;
void (*func[FunctionNum_of_GetFrame])();
int (*tclGetFrame) _((Tcl_Interp *, CONST char *, CallFrame **));
};
#define TclGetFrame \
(((struct DummyTclIntStubs_for_GetFrame *)tclIntStubsPtr)->tclGetFrame)
# endif
# endif
# if !defined(Tcl_PopCallFrame) && !defined(Tcl_PopCallFrame_TCL_DECLARED)
EXTERN void Tcl_PopCallFrame _((Tcl_Interp *));
EXTERN int Tcl_PushCallFrame _((Tcl_Interp *, Tcl_CallFrame *, Tcl_Namespace *, int));
# endif
# if defined(USE_TCL_STUBS) && !defined(USE_TCL_STUB_PROCS)
# ifndef Tcl_PopCallFrame
# ifndef FunctionNum_of_PopCallFrame
#define FunctionNum_of_PopCallFrame 128
# endif
struct DummyTclIntStubs_for_PopCallFrame {
int magic;
struct TclIntStubHooks *hooks;
void (*func[FunctionNum_of_PopCallFrame])();
void (*tcl_PopCallFrame) _((Tcl_Interp *));
int (*tcl_PushCallFrame) _((Tcl_Interp *, Tcl_CallFrame *, Tcl_Namespace *, int));
};
#define Tcl_PopCallFrame \
(((struct DummyTclIntStubs_for_PopCallFrame *)tclIntStubsPtr)->tcl_PopCallFrame)
#define Tcl_PushCallFrame \
(((struct DummyTclIntStubs_for_PopCallFrame *)tclIntStubsPtr)->tcl_PushCallFrame)
# endif
# endif
#else /* Tcl7.x */
# ifndef CallFrame
typedef struct CallFrame {
Tcl_HashTable varTable;
int level;
int argc;
char **argv;
struct CallFrame *callerPtr;
struct CallFrame *callerVarPtr;
} CallFrame;
# endif
# ifndef Tcl_CallFrame
#define Tcl_CallFrame CallFrame
# endif
# if !defined(TclGetFrame) && !defined(TclGetFrame_TCL_DECLARED)
EXTERN int TclGetFrame _((Tcl_Interp *, CONST char *, CallFrame **));
# endif
# if !defined(Tcl_PopCallFrame) && !defined(Tcl_PopCallFrame_TCL_DECLARED)
typedef struct DummyInterp {
char *dummy1;
char *dummy2;
int dummy3;
Tcl_HashTable dummy4;
Tcl_HashTable dummy5;
Tcl_HashTable dummy6;
int numLevels;
int maxNestingDepth;
CallFrame *framePtr;
CallFrame *varFramePtr;
} DummyInterp;
static void
Tcl_PopCallFrame(interp)
Tcl_Interp *interp;
{
DummyInterp *iPtr = (DummyInterp*)interp;
CallFrame *frame = iPtr->varFramePtr;
/* **** DUMMY **** */
iPtr->framePtr = frame.callerPtr;
iPtr->varFramePtr = frame.callerVarPtr;
return TCL_OK;
}
/* dummy */
#define Tcl_Namespace char
static int
Tcl_PushCallFrame(interp, framePtr, nsPtr, isProcCallFrame)
Tcl_Interp *interp;
Tcl_CallFrame *framePtr;
Tcl_Namespace *nsPtr;
int isProcCallFrame;
{
DummyInterp *iPtr = (DummyInterp*)interp;
CallFrame *frame = (CallFrame *)framePtr;
/* **** DUMMY **** */
Tcl_InitHashTable(&frame.varTable, TCL_STRING_KEYS);
if (iPtr->varFramePtr != NULL) {
frame.level = iPtr->varFramePtr->level + 1;
} else {
frame.level = 1;
}
frame.callerPtr = iPtr->framePtr;
frame.callerVarPtr = iPtr->varFramePtr;
iPtr->framePtr = &frame;
iPtr->varFramePtr = &frame;
return TCL_OK;
}
# endif
#endif
#endif /* TCL_NAMESPACE_DEBUG */
/*---- class TclTkIp ----*/
struct tcltkip {
Tcl_Interp *ip; /* the interpreter */
#if TCL_NAMESPACE_DEBUG
Tcl_Namespace *default_ns; /* default namespace */
#endif
#ifdef RUBY_USE_NATIVE_THREAD
Tcl_ThreadId tk_thread_id; /* native thread ID of Tcl interpreter */
#endif
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 const rb_data_type_t tcltkip_type = {
"tcltkip",
{0, ip_free, 0,},
};
static struct tcltkip *
get_ip(self)
VALUE self;
{
struct tcltkip *ptr;
TypedData_Get_Struct(self, struct tcltkip, &tcltkip_type, ptr);
if (ptr == 0) {
/* rb_raise(rb_eTypeError, "uninitialized TclTkIp"); */
return((struct tcltkip *)NULL);
}
if (ptr->ip == (Tcl_Interp*)NULL) {
/* rb_raise(rb_eRuntimeError, "deleted IP"); */
return((struct tcltkip *)NULL);
}
return ptr;
}
static int
deleted_ip(ptr)
struct tcltkip *ptr;
{
if (!ptr || !ptr->ip || Tcl_InterpDeleted(ptr->ip)
#if TCL_NAMESPACE_DEBUG
|| rbtk_invalid_namespace(ptr)
#endif
) {
DUMP1("ip is deleted");
return 1;
}
return 0;
}
/* increment/decrement reference count of tcltkip */
static int
rbtk_preserve_ip(ptr)
struct tcltkip *ptr;
{
ptr->ref_count++;
if (ptr->ip == (Tcl_Interp*)NULL) {
/* deleted IP */
ptr->ref_count = 0;
} else {
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 if (ptr->ip == (Tcl_Interp*)NULL) {
/* deleted IP */
ptr->ref_count = 0;
} else {
Tcl_Release((ClientData)ptr->ip);
}
return(ptr->ref_count);
}
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;
VALUE msg;
VALUE einfo;
struct tcltkip *ptr = get_ip(interp);
va_init_list(args,fmt);
msg = rb_vsprintf(fmt, args);
va_end(args);
einfo = rb_exc_new_str(exc, msg);
rb_ivar_set(einfo, ID_at_interp, interp);
if (ptr) {
Tcl_ResetResult(ptr->ip);
}
return einfo;
}
/*####################################################################*/
#if defined CREATE_RUBYTK_KIT || defined CREATE_RUBYKIT
/*--------------------------------------------------------*/
#if 10 * TCL_MAJOR_VERSION + TCL_MINOR_VERSION < 84
#error Ruby/Tk-Kit requires Tcl/Tk8.4 or later.
#endif
/*--------------------------------------------------------*/
/* Many part of code to support Ruby/Tk-Kit is quoted from Tclkit. */
/* But, never ask Tclkit community about Ruby/Tk-Kit. */
/* Please ask Ruby (Ruby/Tk) community (e.g. "ruby-dev" mailing list). */
/*
----<< license terms of TclKit (from kitgen's "README" file) >>---------------
The Tclkit-specific sources are license free, they just have a copyright. Hold
the author(s) harmless and any lawful use is permitted.
This does *not* apply to any of the sources of the other major Open Source
Software used in Tclkit, which each have very liberal BSD/MIT-like licenses:
* Tcl/Tk, TclVFS, Thread, Vlerq, Zlib
------------------------------------------------------------------------------
*/
/* Tcl/Tk stubs may work, but probably it is meaningless. */
#if defined USE_TCL_STUBS || defined USE_TK_STUBS
# error Not support Tcl/Tk stubs with Ruby/Tk-Kit or Rubykit.
#endif
#ifndef KIT_INCLUDES_ZLIB
#if 10 * TCL_MAJOR_VERSION + TCL_MINOR_VERSION < 86
#define KIT_INCLUDES_ZLIB 1
#else
#define KIT_INCLUDES_ZLIB 0
#endif
#endif
#ifdef _WIN32
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#undef WIN32_LEAN_AND_MEAN
#endif
#if 10 * TCL_MAJOR_VERSION + TCL_MINOR_VERSION < 86
EXTERN Tcl_Obj* TclGetStartupScriptPath();
EXTERN void TclSetStartupScriptPath _((Tcl_Obj*));
#define Tcl_GetStartupScript(encPtr) TclGetStartupScriptPath()
#define Tcl_SetStartupScript(path,enc) TclSetStartupScriptPath(path)
#endif
#if !defined(TclSetPreInitScript) && !defined(TclSetPreInitScript_TCL_DECLARED)
EXTERN char* TclSetPreInitScript _((char *));
#endif
#ifndef KIT_INCLUDES_TK
# define KIT_INCLUDES_TK 1
#endif
/* #define KIT_INCLUDES_ITCL 1 */
/* #define KIT_INCLUDES_THREAD 1 */
Tcl_AppInitProc Vfs_Init, Rechan_Init;
#if 10 * TCL_MAJOR_VERSION + TCL_MINOR_VERSION < 85
Tcl_AppInitProc Pwb_Init;
#endif
#ifdef KIT_LITE
Tcl_AppInitProc Vlerq_Init, Vlerq_SafeInit;
#else
Tcl_AppInitProc Mk4tcl_Init;
#endif
#if defined TCL_THREADS && defined KIT_INCLUDES_THREAD
Tcl_AppInitProc Thread_Init;
#endif
#if KIT_INCLUDES_ZLIB
Tcl_AppInitProc Zlib_Init;
#endif
#ifdef KIT_INCLUDES_ITCL
Tcl_AppInitProc Itcl_Init;
#endif
#ifdef _WIN32
Tcl_AppInitProc Dde_Init, Dde_SafeInit, Registry_Init;
#endif
/*--------------------------------------------------------*/
#define RUBYTK_KITPATH_CONST_NAME "RUBYTK_KITPATH"
static char *rubytk_kitpath = NULL;
static char rubytkkit_preInitCmd[] =
"proc tclKitPreInit {} {\n"
"rename tclKitPreInit {}\n"
"load {} rubytk_kitpath\n"
#if KIT_INCLUDES_ZLIB
"catch {load {} zlib}\n"
#endif
#ifdef KIT_LITE
"load {} vlerq\n"
"namespace eval ::vlerq {}\n"
"if {[catch { vlerq open $::tcl::kitpath } ::vlerq::starkit_root]} {\n"
"set n -1\n"
"} else {\n"
"set files [vlerq get $::vlerq::starkit_root 0 dirs 0 files]\n"
"set n [lsearch [vlerq get $files * name] boot.tcl]\n"
"}\n"
"if {$n >= 0} {\n"
"array set a [vlerq get $files $n]\n"
#else
"load {} Mk4tcl\n"
#if defined KIT_VFS_WRITABLE && !defined CREATE_RUBYKIT
/* running command cannot open itself for writing */
"mk::file open exe $::tcl::kitpath\n"
#else
"mk::file open exe $::tcl::kitpath -readonly\n"
#endif
"set n [mk::select exe.dirs!0.files name boot.tcl]\n"
"if {[llength $n] == 1} {\n"
"array set a [mk::get exe.dirs!0.files!$n]\n"
#endif
"if {![info exists a(contents)]} { error {no boot.tcl file} }\n"