/* $Id$ Part of SWI-Prolog Author: Jan Wielemaker E-mail: jan@swi.psy.uva.nl WWW: http://www.swi-prolog.org Copyright (C): 1985-2002, University of Amsterdam This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include #include #include #include #include "SWI-Stream.h" #include "SWI-Prolog.h" #include #ifdef _YAP_NOT_INSTALLED_ #include "LGPL/swi_console/console.h" #else #include "win32/console/console.h" #endif #include #ifdef O_PLMT #include #endif #include "pl-utf8.c" /* we're not in the libpl.dll module */ #ifndef streq #define streq(s,q) (strcmp((s), (q)) == 0) #endif /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Main program for running SWI-Prolog from a window. The window provides X11-xterm like features: scrollback for a predefined number of lines, cut/paste and the GNU readline library for command-line editing. This module combines libpl.dll and plterm.dll with some glue to produce the final executable swipl-win.exe. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ __declspec(dllexport) rlc_console PL_current_console(); static int type_error(term_t actual, const char *expected); static int domain_error(term_t actual, const char *expected); static HWND create_prolog_hidden_window(rlc_console c); static int get_chars_arg_ex(int a, term_t t, TCHAR **v); #define RLC_PROLOG_WINDOW RLC_VALUE(0) /* GetCurrentThreadID() */ #define RLC_PROLOG_INPUT RLC_VALUE(1) /* Input stream (IOSTREAM*) */ #define RLC_PROLOG_OUTPUT RLC_VALUE(2) /* Output stream (IOSTREAM*) */ #define RLC_PROLOG_ERROR RLC_VALUE(3) /* Error stream (IOSTREAM*) */ #define RLC_REGISTER RLC_VALUE(4) /* Trap destruction */ /******************************* * CONSOLE ADM * *******************************/ CRITICAL_SECTION mutex; #define LOCK() EnterCriticalSection(&mutex) #define UNLOCK() LeaveCriticalSection(&mutex) static rlc_console *consoles; /* array of consoles */ static int consoles_length; /* size of this array */ static void unregisterConsole(uintptr_t data) { rlc_console c = (rlc_console)data; rlc_console *p; int n; LOCK(); for(p=consoles, n=0; n++handle == c && PL_ttymode(Suser_input) == PL_RAWTTY ) { int chr = getkey(c); TCHAR *tbuf = (TCHAR*)buffer; if ( chr == 04 || chr == 26 || chr == -1 ) { bytes = 0; } else { tbuf[0] = chr; bytes = sizeof(TCHAR); } } else { bytes = rlc_read(c, (TCHAR*)buffer, size/sizeof(TCHAR)); bytes *= sizeof(TCHAR); } if ( bytes == 0 || buffer[bytes-1] == '\n' ) PL_prompt_next(0); return bytes; } /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - The user streams for swipl-win.exe run using the 'wchar' encoding. This means size must be a multiple of sizeof(wchar_t), but not if the user cheats and either switches the encoding or uses put_byte/1 or similar. The flushing code will remember `half' characters and re-send them as more data comes ready. This means however that after a put_byte(X), the wchar_t stream is out-of-sync and produces unreadable output. We will therefore pad it with '?' characters to re-sync the stream. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ static ssize_t Srlc_write(void *handle, char *buffer, size_t size) { rlc_console c = handle; ssize_t n; n = rlc_write(c, (TCHAR*)buffer, size/sizeof(TCHAR)); n *= sizeof(TCHAR); if ( n < (ssize_t)size && size-n < sizeof(TCHAR) ) { char buf[sizeof(TCHAR)]; /* Pad to TCHAR */ size_t i = sizeof(TCHAR) - (size-n); memcpy(buf, buffer+n, i); for(; iflags && SIO_CLOSING ) { rlc_set(handle, RLC_PROLOG_INPUT, 0L, NULL); closed++; } else if ( rlc_get(handle, RLC_PROLOG_OUTPUT, &v) && v && ((IOSTREAM *)v)->flags && SIO_CLOSING ) { rlc_set(handle, RLC_PROLOG_OUTPUT, 0L, NULL); closed++; } else if ( rlc_get(handle, RLC_PROLOG_ERROR, &v) && v && ((IOSTREAM *)v)->flags && SIO_CLOSING ) { rlc_set(handle, RLC_PROLOG_ERROR, 0L, NULL); } if ( closed && rlc_get(handle, RLC_PROLOG_INPUT, &v) && v == 0L && rlc_get(handle, RLC_PROLOG_OUTPUT, &v) && v == 0L ) rlc_close(c); return 0; } /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - The role of this function is to stop changing the encoding of the plwin output. We must return -1 for SIO_SETENCODING for this. As we do not implement any of the other control operations we simply return -1 for all commands we may be requested to handle. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ static int Srlc_control(void *handle, int cmd, void *closure) { return -1; } static IOFUNCTIONS rlc_functions; static void rlc_bind_terminal(rlc_console c) { rlc_functions = *Sinput->functions; rlc_functions.read = Srlc_read; rlc_functions.write = Srlc_write; rlc_functions.close = Srlc_close; rlc_functions.control = Srlc_control; Sinput->functions = &rlc_functions; Soutput->functions = &rlc_functions; Serror->functions = &rlc_functions; Sinput->handle = c; Soutput->handle = c; Serror->handle = c; Sinput->encoding = ENC_WCHAR; Soutput->encoding = ENC_WCHAR; Serror->encoding = ENC_WCHAR; } static int process_console_options(rlc_console_attr *attr, term_t options) { term_t tail = PL_copy_term_ref(options); term_t opt = PL_new_term_ref(); while(PL_get_list(tail, opt, tail)) { atom_t name; const char *s; int arity; if ( !PL_get_name_arity(opt, &name, &arity) ) return type_error(opt, "compound"); s = PL_atom_chars(name); if ( streq(s, "registry_key") && arity == 1 ) { TCHAR *key; if ( !get_chars_arg_ex(1, opt, &key) ) return FALSE; attr->key = key; } else return domain_error(opt, "window_option"); } if ( !PL_get_nil(tail) ) return type_error(tail, "list"); return TRUE; } static void /* handle console destruction */ free_stream(uintptr_t handle) { IOSTREAM *s = (IOSTREAM*) handle; Sclose(s); } static foreign_t pl_win_open_console(term_t title, term_t input, term_t output, term_t error, term_t options) { rlc_console_attr attr; rlc_console c; IOSTREAM *in, *out, *err; TCHAR *s; size_t len; memset(&attr, 0, sizeof(attr)); if ( !PL_get_wchars(title, &len, &s, CVT_ALL|BUF_RING) ) return type_error(title, "text"); attr.title = (const TCHAR*) s; if ( !process_console_options(&attr, options) ) return FALSE; c = rlc_create_console(&attr); create_prolog_hidden_window(c); /* for sending messages */ registerConsole(c); #define STREAM_COMMON (SIO_TEXT| /* text-stream */ \ SIO_NOCLOSE| /* do no close on abort */ \ SIO_ISATTY| /* terminal */ \ SIO_NOFEOF) /* reset on end-of-file */ in = Snew(c, SIO_INPUT|SIO_LBUF|STREAM_COMMON, &rlc_functions); out = Snew(c, SIO_OUTPUT|SIO_LBUF|STREAM_COMMON, &rlc_functions); err = Snew(c, SIO_OUTPUT|SIO_NBUF|STREAM_COMMON, &rlc_functions); in->position = &in->posbuf; /* record position on same stream */ out->position = &in->posbuf; err->position = &in->posbuf; in->encoding = ENC_WCHAR; out->encoding = ENC_WCHAR; err->encoding = ENC_WCHAR; if ( !PL_unify_stream(input, in) || !PL_unify_stream(output, out) || !PL_unify_stream(error, err) ) { Sclose(in); Sclose(out); Sclose(err); rlc_close(c); return FALSE; } rlc_set(c, RLC_PROLOG_INPUT, (uintptr_t)in, NULL); rlc_set(c, RLC_PROLOG_OUTPUT, (uintptr_t)out, NULL); rlc_set(c, RLC_PROLOG_ERROR, (uintptr_t)err, free_stream); return TRUE; } /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Note: actually rlc_add_history() removes duplicates and empty lines. Also, read_line() already updates the history. Maybe this should just return TRUE? This however would not allow for programmatically inserting things in the history. This shouldn't matter. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ static foreign_t pl_rl_add_history(term_t text) { atom_t a; static atom_t last = 0; if ( PL_get_atom(text, &a) ) { if ( a != last ) { TCHAR *s; if ( last ) PL_unregister_atom(last); last = a; PL_register_atom(last); PL_get_wchars(text, NULL, &s, CVT_ATOM); rlc_add_history(PL_current_console(), s); } return TRUE; } return FALSE; } static foreign_t pl_rl_read_init_file(term_t file) { PL_succeed; } /******************************* * COMPLETION * *******************************/ static RlcCompleteFunc file_completer; static int prolog_complete(RlcCompleteData data) { Line ln = data->line; switch(data->call_type) { case COMPLETE_INIT: { size_t start = ln->point; wint_t c; if ( !ln->data ) /* we donot want to complete on all atoms */ return FALSE; while(start > 0 && (_istalnum((c=ln->data[start-1])) || c == '_') ) start--; if ( start > 0 ) { _TINT cs = ln->data[start-1]; if ( _tcschr(_T("'/\\.~"), cs) ) return FALSE; /* treat as a filename */ } if ( _istlower(ln->data[start]) ) /* Lower, Aplha ...: an atom */ { size_t patlen = ln->point - start; _tcsncpy(data->buf_handle, &ln->data[start], patlen); data->buf_handle[patlen] = '\0'; if ( PL_atom_generator_w(data->buf_handle, data->candidate, sizeof(data->candidate)/sizeof(TCHAR), FALSE) ) { data->replace_from = (int)start; data->function = prolog_complete; return TRUE; } } return FALSE; } case COMPLETE_ENUMERATE: { if ( PL_atom_generator_w(data->buf_handle, data->candidate, sizeof(data->candidate)/sizeof(TCHAR), TRUE) ) return TRUE; return FALSE; } case COMPLETE_CLOSE: return TRUE; default: return FALSE; } } static int do_complete(RlcCompleteData data) { if ( prolog_complete(data) ) return TRUE; if ( file_completer ) return (*file_completer)(data); return FALSE; } /******************************* * CONSOLE STUFF * *******************************/ rlc_console PL_current_console() { if ( Suser_input->functions->read == Srlc_read ) return Suser_input->handle; return NULL; } foreign_t pl_window_title(term_t old, term_t new) { TCHAR buf[256]; TCHAR *n; if ( !PL_get_wchars(new, NULL, &n, CVT_ALL) ) return type_error(new, "atom"); rlc_title(PL_current_console(), n, buf, sizeof(buf)/sizeof(TCHAR)); return PL_unify_wchars(old, PL_ATOM, _tcslen(buf), buf); } static int type_error(term_t actual, const char *expected) { term_t ex = PL_new_term_ref(); PL_unify_term(ex, PL_FUNCTOR_CHARS, "error", 2, PL_FUNCTOR_CHARS, "type_error", 2, PL_CHARS, expected, PL_TERM, actual, PL_VARIABLE); return PL_raise_exception(ex); } static int domain_error(term_t actual, const char *expected) { term_t ex = PL_new_term_ref(); PL_unify_term(ex, PL_FUNCTOR_CHARS, "error", 2, PL_FUNCTOR_CHARS, "domain_error", 2, PL_CHARS, expected, PL_TERM, actual, PL_VARIABLE); return PL_raise_exception(ex); } static int get_chars_arg_ex(int a, term_t t, TCHAR **v) { term_t arg = PL_new_term_ref(); if ( PL_get_arg(a, t, arg) && PL_get_wchars(arg, NULL, v, CVT_ALL|BUF_RING) ) return TRUE; return type_error(arg, "text"); } static int get_int_arg_ex(int a, term_t t, int *v) { term_t arg = PL_new_term_ref(); PL_get_arg(a, t, arg); if ( PL_get_integer(arg, v) ) return TRUE; return type_error(arg, "integer"); } static int get_bool_arg_ex(int a, term_t t, int *v) { term_t arg = PL_new_term_ref(); PL_get_arg(a, t, arg); if ( PL_get_bool(arg, v) ) return TRUE; return type_error(arg, "boolean"); } foreign_t pl_window_pos(term_t options) { int x = 0, y = 0, w = 0, h = 0; HWND z = HWND_TOP; UINT flags = SWP_NOACTIVATE|SWP_NOZORDER|SWP_NOSIZE|SWP_NOMOVE; term_t opt = PL_new_term_ref(); term_t tail = PL_copy_term_ref(options); while(PL_get_list(tail, opt, tail)) { atom_t name; const char *s; int arity; if ( !PL_get_name_arity(opt, &name, &arity) ) return type_error(opt, "compound"); s = PL_atom_chars(name); if ( streq(s, "position") && arity == 2 ) { if ( !get_int_arg_ex(1, opt, &x) || !get_int_arg_ex(2, opt, &y) ) return FALSE; flags &= ~SWP_NOMOVE; } else if ( streq(s, "size") && arity == 2 ) { if ( !get_int_arg_ex(1, opt, &w) || !get_int_arg_ex(2, opt, &h) ) return FALSE; flags &= ~SWP_NOSIZE; } else if ( streq(s, "zorder") && arity == 1 ) { term_t t = PL_new_term_ref(); char *v; PL_get_arg(1, opt, t); if ( !PL_get_atom_chars(t, &v) ) return type_error(t, "atom"); if ( streq(v, "top") ) z = HWND_TOP; else if ( streq(v, "bottom") ) z = HWND_BOTTOM; else if ( streq(v, "topmost") ) z = HWND_TOPMOST; else if ( streq(v, "notopmost") ) z = HWND_NOTOPMOST; else return domain_error(t, "hwnd_insert_after"); flags &= ~SWP_NOZORDER; } else if ( streq(s, "show") && arity == 1 ) { int v; if ( !get_bool_arg_ex(1, opt, &v) ) return FALSE; flags &= ~(SWP_SHOWWINDOW|SWP_HIDEWINDOW); if ( v ) flags |= SWP_SHOWWINDOW; else flags |= SWP_HIDEWINDOW; } else if ( streq(s, "activate") && arity == 0 ) { flags &= ~SWP_NOACTIVATE; } else return domain_error(opt, "window_option"); } if ( !PL_get_nil(tail) ) return type_error(tail, "list"); rlc_window_pos(PL_current_console(), z, x, y, w, h, flags); return TRUE; } static void call_menu(const TCHAR *name) { fid_t fid = PL_open_foreign_frame(); predicate_t pred = PL_predicate("on_menu", 1, "prolog"); module_t m = PL_new_module(PL_new_atom("prolog")); term_t a0 = PL_new_term_ref(); size_t len = _tcslen(name); PL_unify_wchars(a0, PL_ATOM, len, name); PL_call_predicate(m, PL_Q_NORMAL, pred, a0); PL_discard_foreign_frame(fid); } foreign_t pl_win_insert_menu_item(foreign_t menu, foreign_t label, foreign_t before) { TCHAR *m, *l, *b; if ( !PL_get_wchars(menu, NULL, &m, CVT_ATOM) || !PL_get_wchars(label, NULL, &l, CVT_ATOM) || !PL_get_wchars(before, NULL, &b, CVT_ATOM) ) return FALSE; if ( _tcscmp(b, _T("-")) == 0 ) b = NULL; if ( _tcscmp(l, _T("--")) == 0 ) l = NULL; /* insert a separator */ return rlc_insert_menu_item(PL_current_console(), m, l, b); } foreign_t pl_win_insert_menu(foreign_t label, foreign_t before) { TCHAR *l, *b; if ( !PL_get_wchars(label, NULL, &l, CVT_ATOM) || !PL_get_wchars(before, NULL, &b, CVT_ATOM) ) return FALSE; if ( _tcscmp(b, _T("-")) == 0 ) b = NULL; return rlc_insert_menu(PL_current_console(), l, b); } /******************************* * THREADS * *******************************/ #ifdef O_PLMT static void free_interactor(void *closure) { PL_thread_destroy_engine(); } static void * run_interactor(void *closure) { predicate_t pred; PL_thread_attach_engine(NULL); pthread_cleanup_push(free_interactor, NULL); pred = PL_predicate("thread_run_interactor", 0, "user"); PL_call_predicate(NULL, PL_Q_NORMAL, pred, 0); pthread_cleanup_pop(1); return NULL; } static void create_interactor() { pthread_attr_t attr; pthread_t child; pthread_attr_init(&attr); pthread_create(&child, &attr, run_interactor, NULL); } #endif /*O_PLMT*/ /******************************* * SIGNALS * *******************************/ #define WM_SIGNALLED (WM_USER+1) #define WM_MENU (WM_USER+2) static LRESULT WINAPI pl_wnd_proc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam) { switch(message) { case WM_SIGNALLED: PL_handle_signals(); return 0; case WM_MENU: { const TCHAR *name = (const TCHAR *)lParam; call_menu(name); return 0; } } return DefWindowProc(hwnd, message, wParam, lParam); } static TCHAR * HiddenFrameClass() { static TCHAR winclassname[32]; static WNDCLASS wndClass; HINSTANCE instance = rlc_hinstance(); if ( !winclassname[0] ) { _stprintf(winclassname, _T("SWI-Prolog-hidden-win%d"), instance); wndClass.style = 0; wndClass.lpfnWndProc = (LPVOID) pl_wnd_proc; wndClass.cbClsExtra = 0; wndClass.cbWndExtra = 0; wndClass.hInstance = instance; wndClass.hIcon = NULL; wndClass.hCursor = NULL; // wndClass.hbrBackground = GetStockObject(WHITE_BRUSH); wndClass.lpszMenuName = NULL; wndClass.lpszClassName = winclassname; RegisterClass(&wndClass); } return winclassname; } static void destroy_hidden_window(uintptr_t hwnd) { DestroyWindow((HWND)hwnd); } static HWND create_prolog_hidden_window(rlc_console c) { uintptr_t hwnd; if ( rlc_get(c, RLC_PROLOG_WINDOW, &hwnd) && hwnd ) return (HWND)hwnd; hwnd = (uintptr_t)CreateWindow(HiddenFrameClass(), _T("SWI-Prolog hidden window"), 0, 0, 0, 32, 32, NULL, NULL, rlc_hinstance(), NULL); rlc_set(c, RLC_PROLOG_WINDOW, hwnd, destroy_hidden_window); return (HWND)hwnd; } /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Capturing fatal signals doesn't appear to work inside a DLL, hence we capture them in the application and tell Prolog to print the stack and abort. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ static void fatalSignal(int sig) { char *name; switch(sig) { case SIGABRT: name = "abort"; break; case SIGFPE: name = "floating point exeception"; break; case SIGILL: name = "illegal instruction"; break; case SIGSEGV: name = "general protection fault"; break; default: name = "(unknown)"; break; } PL_warning("Trapped signal %d (%s), aborting ...", sig, name); PL_action(PL_ACTION_BACKTRACE, (void *)10); signal(sig, fatalSignal); PL_action(PL_ACTION_ABORT, NULL); } static void initSignals() { signal(SIGABRT, fatalSignal); signal(SIGFPE, fatalSignal); signal(SIGILL, fatalSignal); signal(SIGSEGV, fatalSignal); } /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Callbacks from the console. Trouble is that these routines are called in the thread updating the console rather than the thread running Prolog. We can inform Prolog using the hidden window which is in Prolog's thread. For the interrupt to work if Prolog is working we need to set the signalled mask in the proper thread. This is accomplished using PL_w32thread_raise(ID, sig). In the single-threaded version this call simply calls PL_raise(sig). - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ static void interrupt(rlc_console c, int sig) { uintptr_t val; if ( rlc_get(c, RLC_APPLICATION_THREAD_ID, &val) ) { DWORD tid = (DWORD)val; PL_w32thread_raise(tid, sig); if ( rlc_get(c, RLC_PROLOG_WINDOW, &val) ) { HWND hwnd = (HWND)val; PostMessage((HWND)hwnd, WM_SIGNALLED, 0, 0); } } } static void menu_select(rlc_console c, const TCHAR *name) { #ifdef O_PLMT if ( _tcscmp(name, _T("&New thread")) == 0 ) { create_interactor(); } else #endif /*O_PLMT*/ { uintptr_t hwnd; if ( rlc_get(c, RLC_PROLOG_WINDOW, &hwnd) ) PostMessage((HWND)hwnd, WM_MENU, 0, (LONG)name); } } static LRESULT message_proc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam) { switch( PL_win_message_proc(hwnd, message, wParam, lParam) ) { case PL_MSG_HANDLED: return TRUE; default: return FALSE; } } /******************************* * MAIN * *******************************/ static void set_window_title(rlc_console c) { TCHAR title[256]; int v = (int)PL_query(PL_QUERY_VERSION); int major = v / 10000; int minor = (v / 100) % 100; int patch = v % 100; #ifdef O_PLMT TCHAR *mt = _T("Multi-threaded, "); #else TCHAR *mt = _T(""); #endif #ifdef WIN64 TCHAR *w64 = _T("AMD64, "); /* TBD: IA64 */ #else TCHAR *w64 = _T(""); #endif _stprintf(title, _T("SWI-Prolog (%s%sversion %d.%d.%d)"), w64, mt, major, minor, patch); rlc_title(c, title, NULL, 0); } PL_extension extensions[] = { /*{ "name", arity, function, PL_FA_ },*/ { "window_title", 2, pl_window_title, 0 }, { "$win_insert_menu_item", 3, pl_win_insert_menu_item, 0 }, { "win_insert_menu", 2, pl_win_insert_menu, 0 }, { "win_window_pos", 1, pl_window_pos, 0 }, { NULL, 0, NULL, 0 } }; /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - win32main() is called back from the plterm.dll main loop to provide the main for the application. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ static void install_readline(rlc_console c) { rlc_init_history(c, 50); file_completer = rlc_complete_hook(do_complete); PL_register_foreign_in_module("system", "rl_add_history", 1, pl_rl_add_history, 0); PL_register_foreign_in_module("system", "rl_read_init_file", 1, pl_rl_read_init_file, 0); PL_set_prolog_flag("tty_control", PL_BOOL, TRUE); PL_set_prolog_flag("readline", PL_BOOL, TRUE); } /* destroy the console on exit. Using PL_on_halt() is the clean, but somewhat uncertain way. using atexit() is more reliable, but we must be sure we don't do it twice. */ static rlc_console main_console; static void closeWin(int s, void *a) { rlc_console c = a; // closeConsoles(); if ( c == main_console ) { main_console = NULL; rlc_close(c); } } #define MAX_ARGC 100 static size_t utf8_required_len(const wchar_t *s) { size_t l = 0; char tmp[6]; char *q; for( ; *s; s++) { q = utf8_put_char(tmp, *s); l += q-tmp; } return l; } int win32main(rlc_console c, int argc, TCHAR **argv) { char *av[MAX_ARGC+1]; int i; set_window_title(c); rlc_bind_terminal(c); if ( !PL_initialise(argc, av) ) PL_halt(1); PL_register_extensions_in_module("system", extensions); install_readline(c); PL_action(PL_ACTION_GUIAPP, TRUE); main_console = c; PL_on_halt(closeWin, c); create_prolog_hidden_window(c); PL_set_prolog_flag("hwnd", PL_INTEGER, (intptr_t)rlc_hwnd(c)); rlc_interrupt_hook(interrupt); rlc_menu_hook(menu_select); rlc_message_hook(message_proc); PL_set_prolog_flag("console_menu", PL_BOOL, TRUE); #ifdef O_PLMT rlc_insert_menu_item(c, _T("&Run"), _T("&New thread"), NULL); #endif #if !defined(O_DEBUG) && !defined(_DEBUG) initSignals(); #endif PL_register_foreign_in_module("system", "win_open_console", 5, pl_win_open_console, 0); if ( argc > MAX_ARGC ) argc = MAX_ARGC; for(i=0; i