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Annotation of OpenXM_contrib2/asir2000/parse/glob.c, Revision 1.34

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:  *
1.34    ! ohara      48:  * $OpenXM: OpenXM_contrib2/asir2000/parse/glob.c,v 1.33 2003/03/07 06:39:59 noro Exp $
1.8       noro       49: */
1.1       noro       50: #include "ca.h"
                     51: #include "al.h"
                     52: #include "parse.h"
1.24      noro       53: #include "ox.h"
1.31      ohara      54: #if defined(PARI)
1.1       noro       55: #include "genpari.h"
                     56: #endif
1.25      noro       57: #if !defined(VISUAL) && !defined(_PA_RISC1_1) && !defined(linux) && !defined(SYSV) && !defined(__CYGWIN__)
1.1       noro       58: #include <sgtty.h>
                     59: #endif
                     60:
                     61: #if defined(VISUAL)
                     62: #include <io.h>
                     63: #include <direct.h>
1.34    ! ohara      64: #else
        !            65: #include <unistd.h>
        !            66: #include <string.h>
        !            67: #include <stdio.h>
1.1       noro       68: #endif
                     69:
1.19      noro       70: #if defined(SYSV) && !defined(_IBMR2)
1.1       noro       71: #include <sys/ttold.h>
                     72: #endif
                     73:
                     74: #if defined(VISUAL)
                     75: #define HISTORY asir_history
                     76: #endif
1.12      noro       77:
1.1       noro       78: #define MAXHIST 100
                     79:
                     80: extern int GC_free_space_divisor;
                     81: extern int GC_free_space_numerator;
                     82: extern FILE *asir_out;
                     83:
1.24      noro       84: INFILE asir_infile;
1.26      noro       85: JMP_BUF main_env,debug_env,timer_env,exec_env;
1.1       noro       86: int little_endian,debug_mode;
                     87: char *asir_libdir;
                     88: char *asir_pager;
                     89:
                     90: NODE usrf,sysf,noargsysf,ubinf,parif;
                     91: NODE ONENODE;
1.29      noro       92: int main_parser, allow_create_var, ox_do_copy, ox_do_count, ox_count_length;
1.1       noro       93: int ox_file_io, ox_need_conv;
                     94: char *ox_copy_bptr;
                     95: char *parse_strp;
                     96: SNODE parse_snode;
                     97: FUNC parse_targetf;
                     98: FILE *ox_istream,*ox_ostream;
                     99: int do_server_in_X11;
                    100: Obj LastVal;
                    101: char LastError[BUFSIZ];
1.15      noro      102: int timer_is_set;
                    103:
1.1       noro      104:
                    105: struct oV oVAR[] = {
                    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:        {"_x",0,0}, {"_y",0,0}, {"_z",0,0}, {"_u",0,0},
                    114:        {"_v",0,0}, {"_w",0,0}, {"_p",0,0}, {"_q",0,0},
                    115:        {"_r",0,0}, {"_s",0,0}, {"_t",0,0}, {"_a",0,0},
                    116:        {"_b",0,0}, {"_c",0,0}, {"_d",0,0}, {"_e",0,0},
                    117:        {"_f",0,0}, {"_g",0,0}, {"_h",0,0}, {"_i",0,0},
                    118:        {"_j",0,0}, {"_k",0,0}, {"_l",0,0}, {"_m",0,0},
                    119:        {"_n",0,0}, {"_o",0,0}
                    120: };
                    121:
                    122: struct oVL oVLIST[52];
                    123:
                    124: VL CO = oVLIST;
                    125: VL ALG;
                    126:
                    127: struct oVS oGPVS,oAPVS,oEPVS;
                    128: VS GPVS = &oGPVS;
                    129: VS APVS = &oAPVS;
                    130: VS EPVS = &oEPVS;
                    131: VS CPVS;
                    132:
                    133: struct oF oF_TRUE,oF_FALSE;
                    134: F F_TRUE = &oF_TRUE;
                    135: F F_FALSE = &oF_FALSE;
                    136:
                    137: #if defined(VISUAL)
1.4       noro      138: char cppname[BUFSIZ] = "c:\\asir\\stdlib\\cpp ";
1.1       noro      139: #else
1.4       noro      140: char cppname[BUFSIZ] = "/lib/cpp ";
1.1       noro      141: #endif
1.4       noro      142: char asirname[BUFSIZ];
1.1       noro      143: char displayname[BUFSIZ];
                    144:
                    145: int Verbose;
                    146:
                    147: void glob_init() {
                    148:        int i;
                    149:
                    150:        for ( i = 0; i < 51; i++ ) {
                    151:                VR(&oVLIST[i]) = &oVAR[i]; NEXT(&oVLIST[i]) = &oVLIST[i+1];
                    152:        }
                    153:        VR(&oVLIST[i]) = &oVAR[i]; NEXT(&oVLIST[i]) = 0;
                    154:        reallocarray((char **)&GPVS->va,(int *)&GPVS->asize,(int *)&GPVS->n,(int)sizeof(struct oPV));
                    155:        reallocarray((char **)&APVS->va,(int *)&APVS->asize,(int *)&APVS->n,(int)sizeof(struct oPV));
                    156:        CPVS = GPVS;
                    157:        MKNODE(ONENODE,mkfnode(1,I_FORMULA,ONE),0);
                    158:        OID(F_TRUE)=O_F; FOP(F_TRUE)=AL_TRUE; F_TRUE->arg.dummy = 0;
                    159:        OID(F_FALSE)=O_F; FOP(F_FALSE)=AL_FALSE; F_FALSE->arg.dummy = 0;
                    160:        sprintf(asirname,"%s/asir_symtab",asir_libdir);
                    161: }
                    162:
1.24      noro      163: void input_init(FILE *fp,char *name)
1.1       noro      164: {
1.24      noro      165:        asir_infile = (INFILE)CALLOC(sizeof(struct oINFILE),1);
1.1       noro      166:        asir_infile->name = name; asir_infile->fp = fp;
                    167:        asir_infile->ln = 1; NEXT(asir_infile) = 0;
                    168: }
                    169:
1.24      noro      170: void notdef(VL vl,Obj a,Obj b,Obj *c)
1.1       noro      171: {
                    172:        error("undefined arithmetic operation.");
                    173: }
                    174:
                    175: int do_asirrc;
                    176: int do_file;
                    177: int do_message;
                    178: int do_fep;
                    179: int no_prompt;
                    180: int read_exec_file;
                    181: static int buserr_sav;
                    182: static char asir_history[BUFSIZ];
                    183:
                    184: extern int mpi_myid;
                    185:
1.5       noro      186: #if !defined(VISUAL_LIB)
                    187: void ExitAsir() {
                    188:        exit(0);
                    189: }
                    190: #endif
                    191:
1.1       noro      192: /*
                    193:  * status = 1 abnormal termination (error() etc.)
                    194:  * status = 2 normal termination (end(), quit() etc.)
                    195:  */
                    196:
1.24      noro      197: void asir_terminate(int status)
1.1       noro      198: {
1.21      noro      199:        int t;
                    200:
1.1       noro      201:        if ( read_exec_file ) {
1.21      noro      202:                t = read_exec_file;
                    203:                read_exec_file = 0;
                    204:                if ( t == 1 )
1.26      noro      205:                        LONGJMP(main_env,status);
1.21      noro      206:                else
1.26      noro      207:                        LONGJMP(exec_env,status);
1.1       noro      208:        } else {
                    209:                tty_reset();
1.33      noro      210: #if defined(MPI)
1.1       noro      211:                if ( !mpi_myid )
                    212:                        close_allconnections();
                    213:                mpi_finalize();
                    214: #else
1.20      noro      215: #if defined(SIGPIPE)
                    216:                signal(SIGPIPE,SIG_IGN);
                    217: #endif
1.1       noro      218:                close_allconnections();
                    219: #endif
                    220:                if ( asir_out )
                    221:                        fflush(asir_out);
1.32      noro      222: #if FEP
1.13      saito     223:                if ( do_fep ) {
                    224:                        stifle_history(MAXHIST);
                    225:                        write_history(asir_history);
                    226:                }
                    227: #endif
1.1       noro      228:                ExitAsir();
                    229:        }
                    230: }
                    231:
                    232: void param_init() {
                    233:        unsigned int et = 0xff;
                    234:        extern int paristack;
                    235:        if ( *((char *)&et) )
                    236:                little_endian = 1;
                    237:        else
                    238:                little_endian = 0;
                    239: }
                    240:
                    241: void prompt() {
                    242:        if ( !no_prompt && !do_fep && asir_infile->fp == stdin )
1.21      noro      243:                fprintf(asir_out,"[%d] ",APVS->n);
1.1       noro      244:        fflush(asir_out);
                    245: }
                    246:
1.24      noro      247: void sprompt(char *ptr)
1.1       noro      248: {
1.21      noro      249:        sprintf(ptr,"[%d] ",APVS->n);
1.34    ! ohara     250: }
        !           251:
        !           252: #if !defined(VISUAL)
        !           253: static int which(char *prog, char *path, char *buf, size_t size)
        !           254: {
        !           255:     char *tok;
        !           256:     char delim[] = ":";
        !           257:     char *path2  = malloc(strlen(path)+1);
        !           258:     char *name   = malloc(size);
        !           259:     int  proglen = strlen(prog)+3; /* "/" + prog + " \0" */
        !           260:
        !           261:     if (!name || !path2) {
        !           262:         return 0;
        !           263:     }
        !           264:     strcpy(path2, path);
        !           265:     tok = strtok(path2, delim);
        !           266:     while (tok != NULL) {
        !           267:         if (size >= strlen(tok)) {
        !           268:             sprintf(name, "%s/%s", tok, prog);
        !           269:             if (access(name, X_OK&R_OK) == 0) {
        !           270:                 strcpy(buf, name);
        !           271:                 strcat(buf, " ");
        !           272:                 free(path2); free(name);
        !           273:                 return 1;
        !           274:             }
        !           275:             tok = strtok(NULL, delim);
        !           276:         }
        !           277:     }
        !           278:     free(path2); free(name);
        !           279:     return 0;
        !           280: }
        !           281: #endif
        !           282:
        !           283: void cppname_init()
        !           284: {
        !           285: #if !defined(VISUAL)
        !           286:     if (access(cppname, X_OK&R_OK) != 0) {
        !           287:         which("cpp", "/lib:/usr/ccs/lib:/usr/bin", cppname, BUFSIZ) ||
        !           288:         which("cpp", getenv("PATH"), cppname, BUFSIZ);
        !           289:     }
        !           290: #endif
1.1       noro      291: }
                    292:
                    293: FILE *in_fp;
                    294:
1.24      noro      295: void process_args(int ac,char **av)
1.1       noro      296: {
                    297:        do_asirrc = 1;
1.33      noro      298: #if !defined(MPI)
1.1       noro      299:        do_message = 1;
                    300: #endif
                    301:        while ( ac > 0 ) {
                    302:                if ( !strcmp(*av,"-heap") && (ac >= 2) ) {
                    303:                        void GC_expand_hp(int);
                    304:
                    305:                        GC_expand_hp(atoi(*(av+1))); av += 2; ac -= 2;
                    306:                } else if ( !strcmp(*av,"-adj") && (ac >= 2) ) {
                    307:                        char *slash;
                    308:
                    309:                        slash = strrchr(*(av+1),'/');
                    310:                        if ( slash ) {
                    311:                                *slash = 0;
                    312:                                GC_free_space_numerator = atoi(slash+1);
                    313:                        }
                    314:                        GC_free_space_divisor = atoi(*(av+1));
                    315:                        av += 2; ac -= 2;
                    316:                } else if ( !strcmp(*av,"-cpp") && (ac >= 2) ) {
                    317:                        strcpy(cppname,*(av+1)); av += 2; ac -= 2;
                    318:                } else if ( !strcmp(*av,"-f") && (ac >= 2) ) {
                    319:                        in_fp = fopen(*(av+1),"r");
                    320:                        if ( !in_fp ) {
                    321:                                fprintf(stderr,"%s does not exist!",*(av+1));
                    322:                                asir_terminate(1);
                    323:                        }
                    324:                        do_file = 1;
                    325:                        av += 2; ac -= 2;
                    326:                } else if ( !strcmp(*av,"-norc") ) {
                    327:                        do_asirrc = 0; av++; ac--;
                    328:                } else if ( !strcmp(*av,"-nomessage") ) {
                    329:                        do_message = 0; av++; ac--;
                    330:                } else if ( !strcmp(*av,"-terse") ) {
                    331:                        no_prompt = 0; av++; ac--;
1.11      noro      332:                } else if ( !strcmp(*av,"-rootdir") && (ac >= 2) ) {
                    333:                        set_rootdir(*(av+1)); av += 2; ac -= 2;
1.1       noro      334:                } else if ( !strcmp(*av,"-maxheap") && (ac >= 2) ) {
                    335:                        void GC_set_max_heap_size(int);
                    336:
                    337:                        GC_set_max_heap_size(atoi(*(av+1))); av += 2; ac -= 2;
                    338: #if !defined(VISUAL)
                    339:                } else if ( !strcmp(*av,"-display") && (ac >= 2) ) {
                    340:                        strcpy(displayname,*(av+1)); av += 2; ac -= 2;
                    341: #endif
1.32      noro      342: #if FEP
1.13      saito     343:                } else if ( !strcmp(*av,"-fep") ) {
                    344:                        do_fep = 1; av++; ac--;
                    345: #endif
1.31      ohara     346: #if defined(PARI)
1.1       noro      347:                } else if ( !strcmp(*av,"-paristack") ) {
                    348:                        extern int paristack;
                    349:
                    350:                        paristack = atoi(*(av+1)); av += 2; ac -= 2;
                    351: #endif
                    352:                } else {
                    353:                        fprintf(stderr,"%s : unknown option.\n",*av);
                    354:                        asir_terminate(1);
                    355:                }
                    356:        }
1.32      noro      357: #if FEP
1.13      saito     358:        if ( do_fep ) {
                    359:                char *home;
                    360:                home = (char *)getenv("HOME");
                    361:                if (!home)
                    362:                        home = ".";
                    363:                sprintf (asir_history, "%s/.asir_history",home);
                    364:                read_history(asir_history);
                    365:                using_history();
                    366:        }
                    367: #endif
1.1       noro      368: }
                    369:
                    370: #include <signal.h>
                    371:
                    372: void sig_init() {
                    373: #if !defined(VISUAL)
                    374:        signal(SIGINT,int_handler);
                    375: #else
1.24      noro      376:        void register_ctrlc_handler();
                    377:
1.1       noro      378:        register_ctrlc_handler();
                    379: #endif
                    380:        signal(SIGSEGV,segv_handler);
                    381:
1.23      noro      382: #if defined(SIGFPE)
1.1       noro      383:        signal(SIGFPE,fpe_handler);
                    384: #endif
                    385:
1.23      noro      386: #if defined(SIGPIPE)
1.1       noro      387:        signal(SIGPIPE,pipe_handler);
                    388: #endif
                    389:
1.23      noro      390: #if defined(SIGILL)
1.1       noro      391:        signal(SIGILL,ill_handler);
                    392: #endif
                    393:
                    394: #if !defined(VISUAL)
                    395:        signal(SIGBUS,bus_handler);
                    396: #endif
                    397: }
                    398:
                    399: static void (*old_int)(int);
                    400:
                    401: void asir_save_handler() {
                    402:        old_int = signal(SIGINT,SIG_IGN);
                    403:        signal(SIGINT,old_int);
                    404: }
                    405:
                    406: void asir_set_handler() {
                    407:        signal(SIGINT,int_handler);
                    408: }
                    409:
                    410: void asir_reset_handler() {
                    411:        signal(SIGINT,old_int);
                    412: }
                    413:
1.24      noro      414: void resetenv(char *s)
1.1       noro      415: {
                    416:        extern FILE *outfile;
                    417:
                    418:        fprintf(stderr,"%s\n",s);
                    419:        while ( NEXT(asir_infile) )
                    420:                closecurrentinput();
                    421:        resetpvs();
                    422: #if !defined(VISUAL)
                    423:        if ( do_server_in_X11 )
                    424: #endif
                    425:                show_debug_window(0);
                    426: #if defined(VISUAL_LIB)
                    427:        w_noflush_stderr(0);
                    428: #endif
                    429:        asir_out = stdout;
1.31      ohara     430: #if defined(PARI)
1.1       noro      431:        pari_outfile = stdout;
                    432: #endif
                    433:        /* restore states */
                    434:        reset_engine();
                    435:        reset_io();
1.16      noro      436: #if !defined(VISUAL)
1.15      noro      437:        reset_timer();
1.16      noro      438: #endif
1.26      noro      439:        LONGJMP(main_env,1);
1.1       noro      440: }
                    441:
1.24      noro      442: void fatal(int n)
1.1       noro      443: {
                    444:        resetenv("return to toplevel");
                    445: }
                    446:
                    447: FUNC registered_handler;
                    448: extern int ox_int_received, critical_when_signal;
                    449:
1.24      noro      450: void int_handler(int sig)
1.1       noro      451: {
                    452:        extern NODE PVSS;
                    453:
                    454:        if ( do_file ) {
                    455:                ExitAsir();
                    456:        }
                    457:        if ( critical_when_signal ) {
                    458:                ox_int_received = 1;
                    459:                return;
                    460:        }
1.12      noro      461: #if defined(VISUAL)
1.19      noro      462:        suspend_timer();
1.1       noro      463: #endif
                    464:        signal(SIGINT,SIG_IGN);
1.3       noro      465: #if !defined(VISUAL)
                    466:     if ( do_server_in_X11 ) {
                    467:                debug(PVSS?((VS)BDY(PVSS))->usrf->f.usrf->body:0);
                    468:                restore_handler();
                    469:                return;
                    470:        }
1.1       noro      471: #endif
                    472: #if defined(linux)
                    473: #if 1
                    474:        while ( stdin->_IO_read_ptr < stdin->_IO_read_end )
                    475: #else
                    476:        while ( stdin->_gptr < stdin->_egptr )
                    477: #endif
                    478:                getchar();
                    479: #endif
                    480:        while ( 1 ) {
                    481:                char buf[BUFSIZ];
                    482:                char c;
                    483:
                    484:                fprintf(stderr,"interrupt ?(q/t/c/d/u/w/?) "); fflush(stderr);
                    485:                buf[0] = '\n';
                    486:                while ( buf[0] == '\n' )
                    487:                        fgets(buf,BUFSIZ,stdin);
                    488:                switch ( c = buf[0] ) {
                    489:                        case 'q':
                    490:                                while ( 1 ) {
                    491:                                        fprintf(stderr,"Abort this session? (y or n) "); fflush(stderr);
                    492:                                        fgets(buf,BUFSIZ,stdin);
                    493:                                        if ( !strncmp(buf,"y",1) ) {
                    494:                                                read_exec_file = 0;
                    495:                                                fprintf(stderr,"Bye\n"); asir_terminate(1);
                    496:                                        } else if ( !strncmp(buf,"n",1) ) {
                    497:                                                restore_handler();
                    498:                                                return;
                    499:                                        }
                    500:                                }
                    501:                                break;
                    502:                        case 't':
                    503:                        case 'u':
                    504:                                while ( 1 ) {
                    505:                                        fprintf(stderr,"Abort this computation? (y or n) "); fflush(stderr);
                    506:                                        fgets(buf,BUFSIZ,stdin);
                    507:                                        if ( !strncmp(buf,"y",1) )
                    508:                                                break;
                    509:                                        else if ( !strncmp(buf,"n",1) ) {
                    510:                                                restore_handler();
                    511:                                                return;
                    512:                                        }
                    513:                                }
                    514:                                if ( debug_mode )
                    515:                                        debug_mode = 0;
                    516:                                restore_handler();
                    517:                                if ( c == 'u' ) {
                    518:                                        if ( registered_handler ) {
                    519:                                                fprintf(stderr,
                    520:                                                        "Calling the registered exception handler...");
                    521:                                                bevalf(registered_handler,0);
                    522:                                                fprintf(stderr, "done.\n");
                    523:                                        }
                    524:                                }
                    525:                                if ( read_exec_file ) {
                    526:                                        read_exec_file = 0;
                    527:                                        resetenv("initialization aborted; return to toplevel");
                    528:                                } else
                    529:                                        resetenv("return to toplevel");
                    530:                                break;
                    531:                        case 'd':
                    532: #if 0
                    533:                                nextbp = 1; nextbplevel = -1;
                    534: #endif
                    535:                                debug(PVSS?((VS)BDY(PVSS))->usrf->f.usrf->body:0);
                    536:                                restore_handler();
                    537:                                return;
                    538:                        case 'c':
                    539:                                restore_handler();
                    540:                                return; break;
                    541:                        case 'w':
                    542:                                showpos(); break;
                    543:                        case '?':
                    544:                                fprintf(stderr, "q:quit t:toplevel c:continue d:debug u:call registered handler w:where\n");
                    545:                                break;
                    546:                        default:
                    547:                                break;
                    548:                }
                    549:        }
                    550: }
                    551:
                    552: void restore_handler() {
1.12      noro      553: #if defined(VISUAL)
1.19      noro      554:        resume_timer();
1.1       noro      555: #endif
1.19      noro      556: #if defined(SIGINT)
1.1       noro      557:        signal(SIGINT,int_handler);
                    558: #endif
                    559: }
                    560:
1.24      noro      561: void segv_handler(int sig)
1.1       noro      562: {
1.19      noro      563: #if defined(SIGSEGV)
1.1       noro      564:        signal(SIGSEGV,segv_handler);
1.19      noro      565:        error("internal error (SEGV)");
1.1       noro      566: #endif
                    567: }
                    568:
1.24      noro      569: void ill_handler(int sig)
1.1       noro      570: {
1.19      noro      571: #if defined(SIGILL)
1.1       noro      572:        signal(SIGILL,ill_handler);
1.19      noro      573:        error("illegal instruction (ILL)");
1.1       noro      574: #endif
                    575: }
                    576:
1.24      noro      577: void alrm_handler(int sig)
1.1       noro      578: {
                    579:        fprintf(stderr,"interval timer expired (VTALRM)\n");
1.26      noro      580:        LONGJMP(timer_env,1);
1.1       noro      581: }
                    582:
1.24      noro      583: void bus_handler(int sig)
1.1       noro      584: {
                    585: #if defined(SIGBUS)
                    586:        signal(SIGBUS,bus_handler);
                    587:        error("internal error (BUS ERROR)");
                    588: #endif
                    589: }
                    590:
1.24      noro      591: void fpe_handler(int sig)
1.1       noro      592: {
1.19      noro      593: #if defined(SIGFPE)
1.1       noro      594:        signal(SIGFPE,fpe_handler);
1.19      noro      595:        error("internal error (FPE)");
1.1       noro      596: #endif
                    597: }
                    598:
1.24      noro      599: void pipe_handler(int sig)
1.1       noro      600: {
                    601: #if defined(SIGPIPE)
                    602:        signal(SIGPIPE,pipe_handler);
1.20      noro      603:        end_critical();
1.1       noro      604:        error("internal error (BROKEN PIPE)");
                    605: #endif
                    606: }
                    607:
                    608: void resize_buffer()
                    609: {
                    610: }
                    611:
                    612: void tty_init() {
                    613: }
                    614:
                    615: void tty_reset() {
                    616: }
                    617:
                    618: extern int evalstatline;
                    619:
1.24      noro      620: void set_lasterror(char *s)
1.1       noro      621: {
                    622:        strncpy(LastError,s,BUFSIZ);
                    623:        LastError[BUFSIZ-1] = 0;
                    624: }
                    625:
                    626: SNODE error_snode;
                    627:
1.24      noro      628: void error(char *s)
1.1       noro      629: {
                    630:        SNODE *snp;
                    631:
1.16      noro      632: #if !defined(VISUAL)
1.15      noro      633:        if ( timer_is_set )
                    634:                alrm_handler(SIGVTALRM);
1.16      noro      635: #endif
1.1       noro      636:        fprintf(stderr,"%s\n",s);
                    637:        set_lasterror(s);
                    638:        if ( CPVS != GPVS ) {
1.7       noro      639:                if ( CPVS->usrf && CPVS->usrf && CPVS->usrf->f.usrf )
                    640:                        searchsn(&BDY(CPVS->usrf->f.usrf),evalstatline,&snp);
1.6       noro      641:                if ( snp )
                    642:                        error_snode = *snp;
                    643:                else
                    644:                        error_snode = 0;
1.1       noro      645:        } else
                    646:                error_snode = 0;
                    647:        if ( do_file ) {
                    648:                char errbuf[BUFSIZ*5]; /* sufficient to store stack information ? */
                    649:
                    650:                sprintf(errbuf,"%s\n",s);
                    651:                showpos_to_string(errbuf+strlen(errbuf));
                    652:                set_lasterror(errbuf);
                    653:                ExitAsir();
                    654:        }
                    655:        if ( debug_mode )
1.26      noro      656:                LONGJMP(debug_env,1);
1.1       noro      657:        if ( CPVS != GPVS )
                    658:                if ( do_server_in_X11 || isatty(0) )
                    659:                        bp(error_snode);
                    660:        if ( read_exec_file )
                    661:                read_exec_file = 0;
                    662:        resetenv("return to toplevel");
                    663: }
                    664:
                    665: #if !defined(VISUAL)
                    666: #include <sys/time.h>
                    667:
1.24      noro      668: void set_timer(int interval)
1.1       noro      669: {
                    670:        struct itimerval it;
                    671:
                    672:        it.it_interval.tv_sec = interval;
                    673:        it.it_interval.tv_usec = 0;
                    674:        it.it_value.tv_sec = interval;
                    675:        it.it_value.tv_usec = 0;
                    676:        setitimer(ITIMER_VIRTUAL,&it,0);
                    677:        signal(SIGVTALRM,alrm_handler);
1.15      noro      678:        timer_is_set = 1;
1.1       noro      679: }
                    680:
                    681: void reset_timer()
                    682: {
                    683:        struct itimerval it;
                    684:
                    685:        it.it_interval.tv_sec = 0;
                    686:        it.it_interval.tv_usec = 0;
                    687:        it.it_value.tv_sec = 0;
                    688:        it.it_value.tv_usec = 0;
                    689:        setitimer(ITIMER_VIRTUAL,&it,0);
                    690:        signal(SIGVTALRM,SIG_IGN);
1.15      noro      691:        timer_is_set = 0;
1.1       noro      692: }
                    693: #endif
                    694:
                    695: unsigned int get_asir_version();
1.14      noro      696: char *get_asir_distribution();
1.1       noro      697:
                    698: void copyright() {
1.17      noro      699: #if defined(INTERVAL)
                    700:        printf("This is Risa/Asir + Interval Arithmetic, Version %d (%s Distribution).\n",
                    701:                get_asir_version(), get_asir_distribution());
                    702: #else
1.14      noro      703:        printf("This is Risa/Asir, Version %d (%s Distribution).\n",
                    704:                get_asir_version(), get_asir_distribution());
1.17      noro      705: #endif
1.14      noro      706:        printf("Copyright (C) 1994-2000, all rights reserved, FUJITSU LABORATORIES LIMITED.\n");
1.30      noro      707:        printf("Copyright 2000-2003, Risa/Asir committers, http://www.openxm.org/.\n");
1.27      noro      708:        printf("GC 6.1(alpha5) copyright 2001, H-J. Boehm, A. J. Demers, Xerox, SGI, HP.\n");
1.32      noro      709: #if PARI
                    710: #if 0
1.28      noro      711:        printf("PARI 2.2.4, copyright (C) 2002 The PARI Group.\n");
1.32      noro      712: #endif
                    713:        printf("PARI 2.0.17, copyright 1989-1999, C. Batut, K. Belabas, D. Bernardi,\n");
                    714:        printf("   H. Cohen and M. Olivier.\n");
                    715: #endif
1.1       noro      716: }
1.14      noro      717:
1.5       noro      718:

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