/* Part of SWI-Prolog Author: Jan Wielemaker E-mail: J.Wielemaker@cs.vu.nl WWW: http://www.swi-prolog.org Copyright (C): 1985-2013, University of Amsterdam VU University 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #define _UNICODE 1 #define UNICODE 1 #ifdef _YAP_NOT_INSTALLED_ #define MAX_FILE_NAME 1024 #include "config.h" #include "console/LGPL/resource.h" #ifdef THREADSx #define O_PLMT 1 #endif #else #ifdef WIN64 #include "config/win64.h" #else #include "config/win32.h" #endif #endif #include #include #include #include #include #include "SWI-Stream.h" #include "SWI-Prolog.h" #include #ifdef _YAP_NOT_INSTALLED_ #include "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 #ifndef _TINT typedef wint_t _TINT; #endif int win32main(rlc_console c, int argc, TCHAR **argv); /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 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 swipl.dll and plterm.dll with some glue to produce the final executable swipl-win.exe. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ __declspec(dllexport) rlc_console PL_current_console(void); __declspec(dllexport) int PL_set_menu_thread(void); static HWND create_prolog_hidden_window(rlc_console c, int replace); 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 */ /******************************* * EXTRA YAP * *******************************/ #if __YAP_PROLOG__ static int build_filter( term_t list, size_t space, TCHAR *fil ) { term_t a = PL_new_term_ref(); term_t head = PL_new_term_ref(); int n; size_t len; TCHAR *s; while (PL_is_pair( list )) { if (!PL_get_list( list, head, list)) return FALSE; for (n=1; n<=2; n++) { if ( !PL_get_arg(n, head, a) ) return FALSE; if ( !PL_get_wchars(a, &len, &s, CVT_ATOM|BUF_DISCARDABLE) ) return FALSE; if (len >= space) return FALSE; space -= len+1; while ((*fil++ = *s++)); } } *fil++ = '\0'; return TRUE; } // a another memory buffer to contain the file name static foreign_t pl_win_file_name( term_t mode, term_t list, term_t tit, term_t cwd, term_t hwnd, term_t file ) { #if 1 // open a file name OPENFILENAME ofn ; TCHAR *szFile = (TCHAR *)malloc(sizeof(TCHAR)*(MAX_FILE_NAME+1)); TCHAR *filter = (TCHAR *)malloc(sizeof(TCHAR)*(MAX_FILE_NAME+1)); // TCHAR *file = (TCHAR *)malloc(sizeof(TCHAR)*(MAX_FILE_NAME+1)); TCHAR *title, *dir; void *owner; size_t len; ZeroMemory( &ofn , sizeof( ofn)); ofn.lStructSize = sizeof ( ofn ); if (!PL_get_pointer(hwnd, &owner)) return FALSE; ofn.hwndOwner = owner ; ofn.lpstrFile = szFile ; ofn.lpstrFile[0] = '\0'; ofn.nMaxFile = MAX_FILE_NAME; if (!build_filter( list, MAX_FILE_NAME, filter )) return FALSE; ofn.lpstrFilter = filter; ofn.nFilterIndex =1; if ( !PL_get_wchars(tit, &len, &title, CVT_ATOM|BUF_RING) ) return FALSE; ofn.lpstrTitle = title ; ofn.lpstrFileTitle = NULL ; ofn.nMaxFileTitle = 0 ; if ( !PL_get_wchars(cwd, &len, &dir, CVT_ATOM|BUF_RING) ) return FALSE; ofn.lpstrInitialDir=dir ; ofn.Flags = OFN_PATHMUSTEXIST|OFN_FILEMUSTEXIST ; GetOpenFileName( &ofn ); return PL_unify_wchars( file, PL_ATOM, wcslen(ofn.lpstrFile), ofn.lpstrFile); // Now simpley display the file name // MessageBox ( NULL , ofn.lpstrFile , "File Name" , MB_OK); #else // CoCreate the dialog object. HRESULT hr = CoCreateInstance(CLSID_FileOpenDialog, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&pfd)); if (SUCCEEDED(hr)) { DWORD dwOptions; // Specify multiselect. hr = pfd->GetOptions(&dwOptions); if (SUCCEEDED(hr)) { hr = pfd->SetOptions(dwOptions | FOS_ALLOWMULTISELECT); } if (SUCCEEDED(hr)) { // Show the Open dialog. hr = pfd->Show(NULL); if (SUCCEEDED(hr)) { // Obtain the result of the user interaction. IShellItemArray *psiaResults; hr = pfd->GetResults(&psiaResults); if (SUCCEEDED(hr)) { // // You can add your own code here to handle the results. // psiaResults->Release(); } } } pfd->Release(); } // Now simpley display the file name MessageBox ( NULL , ofn.lpstrFile , "File Name" , MB_OK); #endif return TRUE; } #endif /******************************* * CONSOLE ADMIN * *******************************/ static 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); term_t ex; PL_write_prompt(TRUE); if ( is_user_input && 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 ( is_user_input && (ex=PL_exception(0)) ) { Sset_exception(Suser_input, ex); return -1; } 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. The downside of this is that Sputc() and Sputcode() do not work on unbuffered streams and thus Serror must be locked before using these functions. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ 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; Sinput->flags &= ~SIO_FILE; Soutput->flags &= ~SIO_FILE; Serror->flags &= ~SIO_FILE; } 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 PL_type_error("compound", opt); 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 PL_domain_error("window_option", opt); } if ( !PL_get_nil_ex(tail) ) return FALSE; 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|CVT_EXCEPTION) ) return FALSE; attr.title = (const TCHAR*) s; if ( !process_console_options(&attr, options) ) return FALSE; c = rlc_create_console(&attr); create_prolog_hidden_window(c, FALSE); /* 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_ex(text, &a) ) { if ( a != last ) { TCHAR *s; if ( last ) PL_unregister_atom(last); last = a; PL_register_atom(last); if ( PL_get_wchars(text, NULL, &s, CVT_ATOM) ) rlc_add_history(PL_current_console(), s); } return TRUE; } return FALSE; } static int add_line(void *h, int no, const TCHAR *line) { term_t tail = (term_t)h; term_t head = PL_new_term_ref(); if ( !PL_unify_wchars(head, PL_ATOM, (size_t)-1, line) || !PL_cons_list(tail, head, tail) ) return -1; PL_reset_term_refs(head); return 0; } static foreign_t pl_rl_history(term_t list) { term_t tail = PL_new_term_ref(); if ( !PL_unify_nil(tail) ) return FALSE; if ( rlc_for_history(PL_current_console(), add_line, (void*)tail) == 0 ) return PL_unify(tail, list); 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(void) { if ( Suser_input->functions->read == Srlc_read ) return Suser_input->handle; return NULL; } static rlc_console main_console; int PL_set_menu_thread(void) { if ( main_console ) { create_prolog_hidden_window(main_console, TRUE); return TRUE; } return FALSE; } static 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|CVT_EXCEPTION) ) return FALSE; rlc_title(PL_current_console(), n, buf, sizeof(buf)/sizeof(TCHAR)); return PL_unify_wchars(old, PL_ATOM, _tcslen(buf), buf); } 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|CVT_EXCEPTION) ) return TRUE; return FALSE; } 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_ex(arg, v) ) return TRUE; return FALSE; } 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_ex(arg, v) ) return TRUE; return FALSE; } static 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 PL_type_error("compound", opt); 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_chars(t, &v, CVT_ATOM|CVT_EXCEPTION) ) return FALSE; 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 PL_domain_error("hwnd_insert_after", t); 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 PL_domain_error("window_option", opt); } if ( !PL_get_nil_ex(tail) ) return FALSE; 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); if ( PL_unify_wchars(a0, PL_ATOM, len, name) ) PL_call_predicate(m, PL_Q_NORMAL, pred, a0); PL_discard_foreign_frame(fid); } static foreign_t pl_win_insert_menu_item(term_t menu, term_t label, term_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); } static foreign_t pl_win_insert_menu(term_t label, term_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_attr_t attr = {0}; attr.flags = PL_THREAD_NO_DEBUG; PL_thread_attach_engine(&attr); 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(void) { 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(void) { static TCHAR winclassname[32]; static WNDCLASS wndClass; HINSTANCE instance = rlc_hinstance(); if ( !winclassname[0] ) { snwprintf(winclassname, sizeof(winclassname)/sizeof(TCHAR), _T("YAP-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 = (HICON) LoadImage(instance, MAKEINTRESOURCE(IDI_APPICON), IMAGE_ICON, 0, 0, LR_DEFAULTSIZE | LR_DEFAULTCOLOR | LR_SHARED); // wndClass.hIconSm = (HICON) LoadImage(instance, MAKEINTRESOURCE(IDI_APPICON), IMAGE_ICON, // GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON), // LR_DEFAULTCOLOR | LR_SHARED); wndClass.hCursor = NULL; wndClass.hbrBackground = GetStockObject(WHITE_BRUSH); wndClass.lpszMenuName = MAKEINTRESOURCE(IDR_MAINMENU); 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, int replace) { uintptr_t hwnd; if ( rlc_get(c, RLC_PROLOG_WINDOW, &hwnd) && hwnd ) { if ( replace ) DestroyWindow((HWND)hwnd); else return (HWND)hwnd; } hwnd = (uintptr_t)CreateWindow(HiddenFrameClass(), _T("YAP 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(void) { 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, (LPARAM)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 snwprintf(title, sizeof(title)/sizeof(TCHAR), _T("YAP-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 }, { "$win_insert_menu_item", 3, pl_win_insert_menu_item, 0 }, { "win_insert_menu", 2, pl_win_insert_menu, 0 }, { "win_window_pos", 1, pl_window_pos, 0 }, #if __YAP_PROLOG__ { "win_file_name", 6, pl_win_file_name, 0 }, #endif { NULL, 0, NULL, 0 } }; /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - win32main() is called back from the plterm.dll main loop to provide the main for the application. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ static void install_readline(rlc_console c) { rlc_init_history(c, 50); file_completer = rlc_complete_hook(do_complete); PL_register_foreign_in_module( "system", "rl_add_history", 1, pl_rl_add_history, 0); PL_register_foreign_in_module( "system", "rl_read_init_file", 1, pl_rl_read_init_file, 0); PL_register_foreign_in_module( "system", "$rl_history", 1, pl_rl_history, 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 int closeWin(int s, void *a) { rlc_console c = a; // closeConsoles(); if ( c == main_console ) { main_console = NULL; rlc_close(c); } return 0; } #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; main_console = c; set_window_title(c); rlc_bind_terminal(c); if ( argc > MAX_ARGC ) argc = MAX_ARGC; for(i=0; i