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Annotation of OpenXM_contrib2/asir2000/parse/glob.c, Revision 1.12

1.8       noro        1: /*
                      2:  * Copyright (c) 1994-2000 FUJITSU LABORATORIES LIMITED
                      3:  * All rights reserved.
                      4:  *
                      5:  * FUJITSU LABORATORIES LIMITED ("FLL") hereby grants you a limited,
                      6:  * non-exclusive and royalty-free license to use, copy, modify and
                      7:  * redistribute, solely for non-commercial and non-profit purposes, the
                      8:  * computer program, "Risa/Asir" ("SOFTWARE"), subject to the terms and
                      9:  * conditions of this Agreement. For the avoidance of doubt, you acquire
                     10:  * only a limited right to use the SOFTWARE hereunder, and FLL or any
                     11:  * third party developer retains all rights, including but not limited to
                     12:  * copyrights, in and to the SOFTWARE.
                     13:  *
                     14:  * (1) FLL does not grant you a license in any way for commercial
                     15:  * purposes. You may use the SOFTWARE only for non-commercial and
                     16:  * non-profit purposes only, such as academic, research and internal
                     17:  * business use.
                     18:  * (2) The SOFTWARE is protected by the Copyright Law of Japan and
                     19:  * international copyright treaties. If you make copies of the SOFTWARE,
                     20:  * with or without modification, as permitted hereunder, you shall affix
                     21:  * to all such copies of the SOFTWARE the above copyright notice.
                     22:  * (3) An explicit reference to this SOFTWARE and its copyright owner
                     23:  * shall be made on your publication or presentation in any form of the
                     24:  * results obtained by use of the SOFTWARE.
                     25:  * (4) In the event that you modify the SOFTWARE, you shall notify FLL by
1.9       noro       26:  * e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification
1.8       noro       27:  * for such modification or the source code of the modified part of the
                     28:  * SOFTWARE.
                     29:  *
                     30:  * THE SOFTWARE IS PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND. FLL
                     31:  * MAKES ABSOLUTELY NO WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY, AND
                     32:  * EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS
                     33:  * FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF THIRD PARTIES'
                     34:  * RIGHTS. NO FLL DEALER, AGENT, EMPLOYEES IS AUTHORIZED TO MAKE ANY
                     35:  * MODIFICATIONS, EXTENSIONS, OR ADDITIONS TO THIS WARRANTY.
                     36:  * UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, TORT, CONTRACT,
                     37:  * OR OTHERWISE, SHALL FLL BE LIABLE TO YOU OR ANY OTHER PERSON FOR ANY
                     38:  * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL
                     39:  * DAMAGES OF ANY CHARACTER, INCLUDING, WITHOUT LIMITATION, DAMAGES
                     40:  * ARISING OUT OF OR RELATING TO THE SOFTWARE OR THIS AGREEMENT, DAMAGES
                     41:  * FOR LOSS OF GOODWILL, WORK STOPPAGE, OR LOSS OF DATA, OR FOR ANY
                     42:  * DAMAGES, EVEN IF FLL SHALL HAVE BEEN INFORMED OF THE POSSIBILITY OF
                     43:  * SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. EVEN IF A PART
                     44:  * OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY
                     45:  * DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,
                     46:  * PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.
                     47:  *
1.12    ! noro       48:  * $OpenXM: OpenXM_contrib2/asir2000/parse/glob.c,v 1.11 2000/11/08 06:21:18 noro Exp $
1.8       noro       49: */
1.1       noro       50: #include "ca.h"
                     51: #include "al.h"
                     52: #include "parse.h"
                     53: #if PARI
                     54: #include "genpari.h"
                     55: #endif
1.12    ! noro       56: #if !defined(VISUAL) && !defined(_PA_RISC1_1) && !defined(linux) && !defined(SYSV)
1.1       noro       57: #include <sgtty.h>
                     58: #endif
                     59:
                     60: #if defined(VISUAL)
                     61: #include <io.h>
                     62: #include <direct.h>
                     63: #endif
                     64:
                     65: #if defined(SYSV)
                     66: #include <sys/ttold.h>
                     67: #endif
                     68:
                     69: #if defined(VISUAL)
                     70: #define HISTORY asir_history
                     71: #endif
1.12    ! noro       72:
1.1       noro       73: #define MAXHIST 100
                     74:
                     75: extern int GC_free_space_divisor;
                     76: extern int GC_free_space_numerator;
                     77: extern FILE *asir_out;
                     78:
                     79: IN asir_infile;
                     80: jmp_buf env,debug_env,timer_env;
                     81: int little_endian,debug_mode;
                     82: char *asir_libdir;
                     83: char *asir_pager;
                     84:
                     85: NODE usrf,sysf,noargsysf,ubinf,parif;
                     86: NODE ONENODE;
                     87: int main_parser, ox_do_copy, ox_do_count, ox_count_length;
                     88: int ox_file_io, ox_need_conv;
                     89: char *ox_copy_bptr;
                     90: char *parse_strp;
                     91: SNODE parse_snode;
                     92: FUNC parse_targetf;
                     93: FILE *ox_istream,*ox_ostream;
                     94: int do_server_in_X11;
                     95: Obj LastVal;
                     96: char LastError[BUFSIZ];
                     97:
                     98: struct oV oVAR[] = {
                     99:        {"x",0,0}, {"y",0,0}, {"z",0,0}, {"u",0,0},
                    100:        {"v",0,0}, {"w",0,0}, {"p",0,0}, {"q",0,0},
                    101:        {"r",0,0}, {"s",0,0}, {"t",0,0}, {"a",0,0},
                    102:        {"b",0,0}, {"c",0,0}, {"d",0,0}, {"e",0,0},
                    103:        {"f",0,0}, {"g",0,0}, {"h",0,0}, {"i",0,0},
                    104:        {"j",0,0}, {"k",0,0}, {"l",0,0}, {"m",0,0},
                    105:        {"n",0,0}, {"o",0,0},
                    106:        {"_x",0,0}, {"_y",0,0}, {"_z",0,0}, {"_u",0,0},
                    107:        {"_v",0,0}, {"_w",0,0}, {"_p",0,0}, {"_q",0,0},
                    108:        {"_r",0,0}, {"_s",0,0}, {"_t",0,0}, {"_a",0,0},
                    109:        {"_b",0,0}, {"_c",0,0}, {"_d",0,0}, {"_e",0,0},
                    110:        {"_f",0,0}, {"_g",0,0}, {"_h",0,0}, {"_i",0,0},
                    111:        {"_j",0,0}, {"_k",0,0}, {"_l",0,0}, {"_m",0,0},
                    112:        {"_n",0,0}, {"_o",0,0}
                    113: };
                    114:
                    115: struct oVL oVLIST[52];
                    116:
                    117: VL CO = oVLIST;
                    118: VL ALG;
                    119:
                    120: struct oVS oGPVS,oAPVS,oEPVS;
                    121: VS GPVS = &oGPVS;
                    122: VS APVS = &oAPVS;
                    123: VS EPVS = &oEPVS;
                    124: VS CPVS;
                    125:
                    126: struct oF oF_TRUE,oF_FALSE;
                    127: F F_TRUE = &oF_TRUE;
                    128: F F_FALSE = &oF_FALSE;
                    129:
                    130: #if defined(__SVR4) && defined(sun)
1.4       noro      131: char cppname[BUFSIZ] = "/usr/ccs/lib/cpp ";
1.1       noro      132: #else
                    133: #if defined(__FreeBSD__) || defined(__NetBSD__)
1.4       noro      134: char cppname[BUFSIZ] = "/usr/bin/cpp ";
1.1       noro      135: #else
                    136: #if defined(VISUAL)
1.4       noro      137: char cppname[BUFSIZ] = "c:\\asir\\stdlib\\cpp ";
1.1       noro      138: #else
1.4       noro      139: char cppname[BUFSIZ] = "/lib/cpp ";
1.1       noro      140: #endif
                    141: #endif
                    142: #endif
1.4       noro      143: char asirname[BUFSIZ];
1.1       noro      144: char displayname[BUFSIZ];
                    145:
                    146: int Verbose;
                    147:
                    148: void glob_init() {
                    149:        int i;
                    150:
                    151:        for ( i = 0; i < 51; i++ ) {
                    152:                VR(&oVLIST[i]) = &oVAR[i]; NEXT(&oVLIST[i]) = &oVLIST[i+1];
                    153:        }
                    154:        VR(&oVLIST[i]) = &oVAR[i]; NEXT(&oVLIST[i]) = 0;
                    155:        reallocarray((char **)&GPVS->va,(int *)&GPVS->asize,(int *)&GPVS->n,(int)sizeof(struct oPV));
                    156:        reallocarray((char **)&APVS->va,(int *)&APVS->asize,(int *)&APVS->n,(int)sizeof(struct oPV));
                    157:        CPVS = GPVS;
                    158:        MKNODE(ONENODE,mkfnode(1,I_FORMULA,ONE),0);
                    159:        OID(F_TRUE)=O_F; FOP(F_TRUE)=AL_TRUE; F_TRUE->arg.dummy = 0;
                    160:        OID(F_FALSE)=O_F; FOP(F_FALSE)=AL_FALSE; F_FALSE->arg.dummy = 0;
                    161:        sprintf(asirname,"%s/asir_symtab",asir_libdir);
                    162: }
                    163:
                    164: void input_init(fp,name)
                    165: FILE *fp;
                    166: char *name;
                    167: {
                    168:        asir_infile = (IN)CALLOC(sizeof(struct oIN),1);
                    169:        asir_infile->name = name; asir_infile->fp = fp;
                    170:        asir_infile->ln = 1; NEXT(asir_infile) = 0;
                    171: }
                    172:
                    173: void notdef(vl,a,b,c)
                    174: VL vl;
                    175: Obj a,b,*c;
                    176: {
                    177:        *c = 0;
                    178:        error("undefined arithmetic operation.");
                    179: }
                    180:
                    181: int kernelmode;
                    182: int do_asirrc;
                    183: int do_file;
                    184: int do_message;
                    185: int do_fep;
                    186: int no_prompt;
                    187: int read_exec_file;
                    188: static int buserr_sav;
                    189: static char asir_history[BUFSIZ];
                    190:
                    191: extern int mpi_myid;
                    192:
1.5       noro      193: #if !defined(VISUAL_LIB)
                    194: void ExitAsir() {
                    195:        exit(0);
                    196: }
                    197: #endif
                    198:
1.1       noro      199: /*
                    200:  * status = 1 abnormal termination (error() etc.)
                    201:  * status = 2 normal termination (end(), quit() etc.)
                    202:  */
                    203:
                    204: void asir_terminate(status)
                    205: int status;
                    206: {
                    207:        if ( read_exec_file ) {
                    208:                read_exec_file = 0; longjmp(env,status);
                    209:        } else {
                    210:                tty_reset();
                    211: #if MPI
                    212:                if ( !mpi_myid )
                    213:                        close_allconnections();
                    214:                mpi_finalize();
                    215: #else
                    216:                close_allconnections();
                    217: #endif
                    218:                if ( kernelmode )
                    219:                        fputc(0xff,asir_out);
                    220:                if ( asir_out )
                    221:                        fflush(asir_out);
                    222:                ExitAsir();
                    223:        }
                    224: }
                    225:
                    226: void param_init() {
                    227:        unsigned int et = 0xff;
                    228:        extern int paristack;
                    229:        if ( *((char *)&et) )
                    230:                little_endian = 1;
                    231:        else
                    232:                little_endian = 0;
                    233: }
                    234:
                    235: void prompt() {
                    236:        if ( !no_prompt && !do_fep && asir_infile->fp == stdin )
                    237:                fprintf(asir_out,"[%d]%c",APVS->n,kernelmode?0xfe:' ');
                    238:        fflush(asir_out);
                    239: }
                    240:
                    241: void sprompt(ptr)
                    242: char *ptr;
                    243: {
                    244:        sprintf(ptr,"[%d]%c",APVS->n,kernelmode?0xfe:' ');
                    245: }
                    246:
                    247: FILE *in_fp;
                    248:
                    249: void process_args(ac,av)
                    250: int ac;
                    251: char **av;
                    252: {
                    253:        do_asirrc = 1;
                    254: #if !MPI
                    255:        do_message = 1;
                    256: #endif
                    257:        while ( ac > 0 ) {
                    258:                if ( !strcmp(*av,"-heap") && (ac >= 2) ) {
                    259:                        void GC_expand_hp(int);
                    260:
                    261:                        GC_expand_hp(atoi(*(av+1))); av += 2; ac -= 2;
                    262:                } else if ( !strcmp(*av,"-adj") && (ac >= 2) ) {
                    263:                        char *slash;
                    264:
                    265:                        slash = strrchr(*(av+1),'/');
                    266:                        if ( slash ) {
                    267:                                *slash = 0;
                    268:                                GC_free_space_numerator = atoi(slash+1);
                    269:                        }
                    270:                        GC_free_space_divisor = atoi(*(av+1));
                    271:                        av += 2; ac -= 2;
                    272:                } else if ( !strcmp(*av,"-cpp") && (ac >= 2) ) {
                    273:                        strcpy(cppname,*(av+1)); av += 2; ac -= 2;
                    274:                } else if ( !strcmp(*av,"-f") && (ac >= 2) ) {
                    275:                        in_fp = fopen(*(av+1),"r");
                    276:                        if ( !in_fp ) {
                    277:                                fprintf(stderr,"%s does not exist!",*(av+1));
                    278:                                asir_terminate(1);
                    279:                        }
                    280:                        do_file = 1;
                    281:                        av += 2; ac -= 2;
                    282:                } else if ( !strcmp(*av,"-kernel") ) {
                    283:                        kernelmode = 1; av++; ac--;
                    284:                } else if ( !strcmp(*av,"-norc") ) {
                    285:                        do_asirrc = 0; av++; ac--;
                    286:                } else if ( !strcmp(*av,"-nomessage") ) {
                    287:                        do_message = 0; av++; ac--;
                    288:                } else if ( !strcmp(*av,"-terse") ) {
                    289:                        no_prompt = 0; av++; ac--;
1.11      noro      290:                } else if ( !strcmp(*av,"-rootdir") && (ac >= 2) ) {
                    291:                        set_rootdir(*(av+1)); av += 2; ac -= 2;
1.1       noro      292:                } else if ( !strcmp(*av,"-maxheap") && (ac >= 2) ) {
                    293:                        void GC_set_max_heap_size(int);
                    294:
                    295:                        GC_set_max_heap_size(atoi(*(av+1))); av += 2; ac -= 2;
                    296: #if !defined(VISUAL)
                    297:                } else if ( !strcmp(*av,"-display") && (ac >= 2) ) {
                    298:                        strcpy(displayname,*(av+1)); av += 2; ac -= 2;
                    299: #endif
                    300: #if PARI
                    301:                } else if ( !strcmp(*av,"-paristack") ) {
                    302:                        extern int paristack;
                    303:
                    304:                        paristack = atoi(*(av+1)); av += 2; ac -= 2;
                    305: #endif
                    306:                } else {
                    307:                        fprintf(stderr,"%s : unknown option.\n",*av);
                    308:                        asir_terminate(1);
                    309:                }
                    310:        }
                    311: }
                    312:
                    313: #include <signal.h>
                    314:
                    315: void sig_init() {
                    316: #if !defined(VISUAL)
                    317:        signal(SIGINT,int_handler);
                    318: #else
                    319:        register_ctrlc_handler();
                    320: #endif
                    321:        signal(SIGSEGV,segv_handler);
                    322:
                    323: #if defined SIGFPE
                    324:        signal(SIGFPE,fpe_handler);
                    325: #endif
                    326:
                    327: #if defined SIGPIPE
                    328:        signal(SIGPIPE,pipe_handler);
                    329: #endif
                    330:
                    331: #if defined SIGILL
                    332:        signal(SIGILL,ill_handler);
                    333: #endif
                    334:
                    335: #if !defined(VISUAL)
                    336:        signal(SIGBUS,bus_handler);
                    337: #endif
                    338: }
                    339:
                    340: static void (*old_int)(int);
                    341:
                    342: void asir_save_handler() {
                    343:        old_int = signal(SIGINT,SIG_IGN);
                    344:        signal(SIGINT,old_int);
                    345: }
                    346:
                    347: void asir_set_handler() {
                    348:        signal(SIGINT,int_handler);
                    349: }
                    350:
                    351: void asir_reset_handler() {
                    352:        signal(SIGINT,old_int);
                    353: }
                    354:
                    355: void resetenv(s)
                    356: char *s;
                    357: {
                    358:        extern FILE *outfile;
                    359:
                    360:        fprintf(stderr,"%s\n",s);
                    361:        while ( NEXT(asir_infile) )
                    362:                closecurrentinput();
                    363:        resetpvs();
                    364: #if !defined(VISUAL)
                    365:        if ( do_server_in_X11 )
                    366: #endif
                    367:                show_debug_window(0);
                    368: #if defined(VISUAL_LIB)
                    369:        w_noflush_stderr(0);
                    370: #endif
                    371:        asir_out = stdout;
                    372: #if PARI
                    373:        pari_outfile = stdout;
                    374: #endif
                    375:        /* restore states */
                    376:        reset_engine();
                    377:        reset_io();
                    378:        longjmp(env,1);
                    379: }
                    380:
                    381: void fatal(n)
                    382: int n;
                    383: {
                    384:        resetenv("return to toplevel");
                    385: }
                    386:
                    387: FUNC registered_handler;
                    388: extern int ox_int_received, critical_when_signal;
                    389:
                    390: void int_handler(sig)
                    391: int sig;
                    392: {
                    393:        extern NODE PVSS;
                    394:
                    395:        if ( do_file ) {
                    396:                ExitAsir();
                    397:        }
                    398:        if ( critical_when_signal ) {
                    399:                ox_int_received = 1;
                    400:                return;
                    401:        }
1.12    ! noro      402: #if defined(VISUAL)
1.1       noro      403:        suspend_timer(); signal(SIGINT,SIG_IGN);
                    404: #endif
                    405: #if defined(_PA_RISC1_1) || defined(linux) || defined(VISUAL) || defined(__svr4__)
                    406:        signal(SIGINT,SIG_IGN);
1.3       noro      407: #endif
                    408: #if !defined(VISUAL)
                    409:     if ( do_server_in_X11 ) {
                    410:                debug(PVSS?((VS)BDY(PVSS))->usrf->f.usrf->body:0);
                    411:                restore_handler();
                    412:                return;
                    413:        }
1.1       noro      414: #endif
                    415: #if defined(linux)
                    416: #if 1
                    417:        while ( stdin->_IO_read_ptr < stdin->_IO_read_end )
                    418: #else
                    419:        while ( stdin->_gptr < stdin->_egptr )
                    420: #endif
                    421:                getchar();
                    422: #endif
                    423:        while ( 1 ) {
                    424:                char buf[BUFSIZ];
                    425:                char c;
                    426:
                    427:                fprintf(stderr,"interrupt ?(q/t/c/d/u/w/?) "); fflush(stderr);
                    428:                if ( kernelmode )
                    429:                        fputc('\0',stderr);
                    430:                buf[0] = '\n';
                    431:                while ( buf[0] == '\n' )
                    432:                        fgets(buf,BUFSIZ,stdin);
                    433:                switch ( c = buf[0] ) {
                    434:                        case 'q':
                    435:                                while ( 1 ) {
                    436:                                        fprintf(stderr,"Abort this session? (y or n) "); fflush(stderr);
                    437:                                        fgets(buf,BUFSIZ,stdin);
                    438:                                        if ( !strncmp(buf,"y",1) ) {
                    439:                                                read_exec_file = 0;
                    440:                                                fprintf(stderr,"Bye\n"); asir_terminate(1);
                    441:                                        } else if ( !strncmp(buf,"n",1) ) {
                    442:                                                restore_handler();
                    443:                                                return;
                    444:                                        }
                    445:                                }
                    446:                                break;
                    447:                        case 't':
                    448:                        case 'u':
                    449:                                while ( 1 ) {
                    450:                                        fprintf(stderr,"Abort this computation? (y or n) "); fflush(stderr);
                    451:                                        fgets(buf,BUFSIZ,stdin);
                    452:                                        if ( !strncmp(buf,"y",1) )
                    453:                                                break;
                    454:                                        else if ( !strncmp(buf,"n",1) ) {
                    455:                                                restore_handler();
                    456:                                                return;
                    457:                                        }
                    458:                                }
                    459:                                if ( debug_mode )
                    460:                                        debug_mode = 0;
                    461:                                if ( kernelmode )
                    462:                                        fputc('\0',stderr);
                    463:                                restore_handler();
                    464:                                if ( c == 'u' ) {
                    465:                                        if ( registered_handler ) {
                    466:                                                fprintf(stderr,
                    467:                                                        "Calling the registered exception handler...");
                    468:                                                bevalf(registered_handler,0);
                    469:                                                fprintf(stderr, "done.\n");
                    470:                                        }
                    471:                                }
                    472:                                if ( read_exec_file ) {
                    473:                                        read_exec_file = 0;
                    474:                                        resetenv("initialization aborted; return to toplevel");
                    475:                                } else
                    476:                                        resetenv("return to toplevel");
                    477:                                break;
                    478:                        case 'd':
                    479: #if 0
                    480:                                nextbp = 1; nextbplevel = -1;
                    481: #endif
                    482:                                debug(PVSS?((VS)BDY(PVSS))->usrf->f.usrf->body:0);
                    483:                                restore_handler();
                    484:                                return;
                    485:                        case 'c':
                    486:                                if ( kernelmode )
                    487:                                        fputc('\0',stderr);
                    488:                                restore_handler();
                    489:                                return; break;
                    490:                        case 'w':
                    491:                                showpos(); break;
                    492:                        case '?':
                    493:                                fprintf(stderr, "q:quit t:toplevel c:continue d:debug u:call registered handler w:where\n");
                    494:                                break;
                    495:                        default:
                    496:                                break;
                    497:                }
                    498:        }
                    499: }
                    500:
                    501: void restore_handler() {
1.12    ! noro      502: #if defined(VISUAL)
1.1       noro      503:        resume_timer(); signal(SIGINT,int_handler);
                    504: #endif
                    505: #if defined(_PA_RISC1_1) || defined(linux) || defined(__svr4__)
                    506:        signal(SIGINT,int_handler);
                    507: #endif
                    508: }
                    509:
                    510: void segv_handler(sig)
                    511: int sig;
                    512: {
1.12    ! noro      513: #if defined(_PA_RISC1_1) || defined(linux) || defined(VISUAL) || defined(__svr4__)
1.1       noro      514:        signal(SIGSEGV,segv_handler);
                    515: #endif
                    516:        error("internal error (SEGV)");
                    517: }
                    518:
                    519: void ill_handler(sig)
                    520: int sig;
                    521: {
1.12    ! noro      522: #if defined(_PA_RISC1_1) || defined(linux) || defined(VISUAL) || defined(__svr4__)
1.1       noro      523:        signal(SIGILL,ill_handler);
                    524: #endif
                    525:        error("illegal instruction (ILL)");
                    526: }
                    527:
                    528: void alrm_handler(sig)
                    529: int sig;
                    530: {
                    531:        fprintf(stderr,"interval timer expired (VTALRM)\n");
                    532:        longjmp(timer_env,1);
                    533: }
                    534:
                    535: void bus_handler(sig)
                    536: int sig;
                    537: {
                    538: #if defined(SIGBUS)
                    539:        signal(SIGBUS,bus_handler);
                    540:        error("internal error (BUS ERROR)");
                    541: #endif
                    542: }
                    543:
                    544: void fpe_handler(sig)
                    545: int sig;
                    546: {
1.12    ! noro      547: #if defined(_PA_RISC1_1) || defined(linux) || defined(VISUAL) || defined(__svr4__)
1.1       noro      548:        signal(SIGFPE,fpe_handler);
                    549: #endif
                    550:        error("internal error (FPE)");
                    551: }
                    552:
                    553: void pipe_handler(sig)
                    554: int sig;
                    555: {
                    556: #if defined(SIGPIPE)
                    557:        signal(SIGPIPE,pipe_handler);
                    558:        error("internal error (BROKEN PIPE)");
                    559: #endif
                    560: }
                    561:
                    562: void resize_buffer()
                    563: {
                    564: }
                    565:
                    566: void tty_init() {
                    567: }
                    568:
                    569: void tty_reset() {
                    570: }
                    571:
                    572: extern int evalstatline;
                    573:
                    574: void set_lasterror(s)
                    575: char *s;
                    576: {
                    577:        strncpy(LastError,s,BUFSIZ);
                    578:        LastError[BUFSIZ-1] = 0;
                    579: }
                    580:
                    581: SNODE error_snode;
                    582:
                    583: void error(s)
                    584: char *s;
                    585: {
                    586:        SNODE *snp;
                    587:
                    588:        fprintf(stderr,"%s\n",s);
                    589:        set_lasterror(s);
                    590:        if ( CPVS != GPVS ) {
1.7       noro      591:                if ( CPVS->usrf && CPVS->usrf && CPVS->usrf->f.usrf )
                    592:                        searchsn(&BDY(CPVS->usrf->f.usrf),evalstatline,&snp);
1.6       noro      593:                if ( snp )
                    594:                        error_snode = *snp;
                    595:                else
                    596:                        error_snode = 0;
1.1       noro      597:        } else
                    598:                error_snode = 0;
                    599:        if ( do_file ) {
                    600:                char errbuf[BUFSIZ*5]; /* sufficient to store stack information ? */
                    601:
                    602:                sprintf(errbuf,"%s\n",s);
                    603:                showpos_to_string(errbuf+strlen(errbuf));
                    604:                set_lasterror(errbuf);
                    605:                ExitAsir();
                    606:        }
                    607:        if ( debug_mode )
                    608:                longjmp(debug_env,1);
                    609:        if ( CPVS != GPVS )
                    610:                if ( do_server_in_X11 || isatty(0) )
                    611:                        bp(error_snode);
                    612:        if ( read_exec_file )
                    613:                read_exec_file = 0;
                    614:        resetenv("return to toplevel");
                    615: }
                    616:
                    617: #if !defined(VISUAL)
                    618: #include <sys/time.h>
                    619:
                    620: void set_timer(interval)
                    621: int interval;
                    622: {
                    623:        struct itimerval it;
                    624:
                    625:        it.it_interval.tv_sec = interval;
                    626:        it.it_interval.tv_usec = 0;
                    627:        it.it_value.tv_sec = interval;
                    628:        it.it_value.tv_usec = 0;
                    629:        setitimer(ITIMER_VIRTUAL,&it,0);
                    630:        signal(SIGVTALRM,alrm_handler);
                    631: }
                    632:
                    633: void reset_timer()
                    634: {
                    635:        struct itimerval it;
                    636:
                    637:        it.it_interval.tv_sec = 0;
                    638:        it.it_interval.tv_usec = 0;
                    639:        it.it_value.tv_sec = 0;
                    640:        it.it_value.tv_usec = 0;
                    641:        setitimer(ITIMER_VIRTUAL,&it,0);
                    642:        signal(SIGVTALRM,SIG_IGN);
                    643: }
                    644: #endif
                    645:
                    646: unsigned int get_asir_version();
                    647:
                    648: void copyright() {
1.2       noro      649:        printf("This is Risa/Asir, Version %d.\n",get_asir_version());
1.1       noro      650:        printf("Copyright (C) FUJITSU LABORATORIES LIMITED.\n");
1.10      noro      651:        printf("1994-2000. All rights reserved.\n");
1.1       noro      652: }
1.5       noro      653:

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