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Annotation of OpenXM_contrib2/asir2000/parse/glob.c, Revision 1.66

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:  *
1.66    ! noro       48:  * $OpenXM: OpenXM_contrib2/asir2000/parse/glob.c,v 1.65 2006/02/24 01:15:57 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
1.43      ohara      57: #if !defined(VISUAL) && !defined(_PA_RISC1_1) && !defined(linux) && !defined(SYSV) && !defined(__CYGWIN__) && !defined(__INTERIX)
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;
1.52      noro       86: int little_endian,debug_mode,no_debug_on_error;
1.1       noro       87: char *asir_libdir;
1.56      takayama   88: char *asir_contrib_dir;
1.1       noro       89: char *asir_pager;
                     90:
                     91: NODE usrf,sysf,noargsysf,ubinf,parif;
                     92: NODE ONENODE;
1.29      noro       93: int main_parser, allow_create_var, ox_do_copy, ox_do_count, ox_count_length;
1.1       noro       94: int ox_file_io, ox_need_conv;
                     95: char *ox_copy_bptr;
                     96: char *parse_strp;
                     97: SNODE parse_snode;
                     98: FUNC parse_targetf;
                     99: FILE *ox_istream,*ox_ostream;
                    100: int do_server_in_X11;
                    101: Obj LastVal;
1.62      noro      102: LIST LastStackTrace;
1.1       noro      103: char LastError[BUFSIZ];
1.15      noro      104: int timer_is_set;
1.49      noro      105: NODE current_option;
1.53      noro      106: NODE user_int_handler, user_quit_handler;
1.1       noro      107:
                    108: struct oV oVAR[] = {
                    109:        {"x",0,0}, {"y",0,0}, {"z",0,0}, {"u",0,0},
                    110:        {"v",0,0}, {"w",0,0}, {"p",0,0}, {"q",0,0},
                    111:        {"r",0,0}, {"s",0,0}, {"t",0,0}, {"a",0,0},
                    112:        {"b",0,0}, {"c",0,0}, {"d",0,0}, {"e",0,0},
                    113:        {"f",0,0}, {"g",0,0}, {"h",0,0}, {"i",0,0},
                    114:        {"j",0,0}, {"k",0,0}, {"l",0,0}, {"m",0,0},
                    115:        {"n",0,0}, {"o",0,0},
                    116:        {"_x",0,0}, {"_y",0,0}, {"_z",0,0}, {"_u",0,0},
                    117:        {"_v",0,0}, {"_w",0,0}, {"_p",0,0}, {"_q",0,0},
                    118:        {"_r",0,0}, {"_s",0,0}, {"_t",0,0}, {"_a",0,0},
                    119:        {"_b",0,0}, {"_c",0,0}, {"_d",0,0}, {"_e",0,0},
                    120:        {"_f",0,0}, {"_g",0,0}, {"_h",0,0}, {"_i",0,0},
                    121:        {"_j",0,0}, {"_k",0,0}, {"_l",0,0}, {"_m",0,0},
                    122:        {"_n",0,0}, {"_o",0,0}
                    123: };
                    124:
                    125: struct oVL oVLIST[52];
                    126:
                    127: VL CO = oVLIST;
                    128: VL ALG;
                    129:
1.60      noro      130: struct oVS oGPVS,oAPVS,oEPVS,oPPVS;
1.1       noro      131: VS GPVS = &oGPVS;
                    132: VS APVS = &oAPVS;
                    133: VS EPVS = &oEPVS;
1.60      noro      134: VS PPVS = &oPPVS;
1.35      noro      135: VS CPVS,MPVS;
                    136:
                    137: NODE MODULE_LIST;
                    138: MODULE CUR_MODULE;
1.36      noro      139: char *CUR_FUNC;
1.1       noro      140:
1.46      noro      141: struct oSYMBOL oGrlex, oGlex, oLex;
                    142: SYMBOL Symbol_grlex = &oGrlex;
                    143: SYMBOL Symbol_glex = &oGlex;
                    144: SYMBOL Symbol_lex = &oLex;;
1.44      noro      145:
1.1       noro      146: struct oF oF_TRUE,oF_FALSE;
                    147: F F_TRUE = &oF_TRUE;
                    148: F F_FALSE = &oF_FALSE;
                    149:
                    150: #if defined(VISUAL)
1.4       noro      151: char cppname[BUFSIZ] = "c:\\asir\\stdlib\\cpp ";
1.1       noro      152: #else
1.4       noro      153: char cppname[BUFSIZ] = "/lib/cpp ";
1.1       noro      154: #endif
1.4       noro      155: char asirname[BUFSIZ];
1.1       noro      156: char displayname[BUFSIZ];
                    157:
                    158: int Verbose;
1.66    ! noro      159: int do_quiet, do_batch;
1.1       noro      160:
                    161: void glob_init() {
                    162:        int i;
                    163:
                    164:        for ( i = 0; i < 51; i++ ) {
                    165:                VR(&oVLIST[i]) = &oVAR[i]; NEXT(&oVLIST[i]) = &oVLIST[i+1];
                    166:        }
                    167:        VR(&oVLIST[i]) = &oVAR[i]; NEXT(&oVLIST[i]) = 0;
                    168:        reallocarray((char **)&GPVS->va,(int *)&GPVS->asize,(int *)&GPVS->n,(int)sizeof(struct oPV));
                    169:        reallocarray((char **)&APVS->va,(int *)&APVS->asize,(int *)&APVS->n,(int)sizeof(struct oPV));
1.60      noro      170:        reallocarray((char **)&PPVS->va,(int *)&PPVS->asize,(int *)&PPVS->n,(int)sizeof(struct oPV));
1.1       noro      171:        CPVS = GPVS;
                    172:        MKNODE(ONENODE,mkfnode(1,I_FORMULA,ONE),0);
                    173:        OID(F_TRUE)=O_F; FOP(F_TRUE)=AL_TRUE; F_TRUE->arg.dummy = 0;
                    174:        OID(F_FALSE)=O_F; FOP(F_FALSE)=AL_FALSE; F_FALSE->arg.dummy = 0;
1.44      noro      175:        OID(Symbol_grlex) = O_SYMBOL; Symbol_grlex->name = "@grlex";
                    176:        Symbol_grlex->value = 0;
                    177:        OID(Symbol_glex) = O_SYMBOL; Symbol_glex->name = "@glex";
                    178:        Symbol_glex->value = 1;
1.45      noro      179:        OID(Symbol_lex) = O_SYMBOL; Symbol_lex->name = "@lex";
                    180:        Symbol_lex->value = 2;
1.1       noro      181:        sprintf(asirname,"%s/asir_symtab",asir_libdir);
                    182: }
                    183:
1.24      noro      184: void input_init(FILE *fp,char *name)
1.1       noro      185: {
1.24      noro      186:        asir_infile = (INFILE)CALLOC(sizeof(struct oINFILE),1);
1.1       noro      187:        asir_infile->name = name; asir_infile->fp = fp;
                    188:        asir_infile->ln = 1; NEXT(asir_infile) = 0;
                    189: }
                    190:
1.24      noro      191: void notdef(VL vl,Obj a,Obj b,Obj *c)
1.1       noro      192: {
                    193:        error("undefined arithmetic operation.");
                    194: }
                    195:
                    196: int do_asirrc;
                    197: int do_file;
1.42      ohara     198: char *do_filename;
1.1       noro      199: int do_message;
1.58      noro      200: int do_terse;
1.1       noro      201: int do_fep;
1.42      ohara     202: int asir_setenv;
1.1       noro      203: static int buserr_sav;
                    204: static char asir_history[BUFSIZ];
                    205:
                    206: extern int mpi_myid;
                    207:
1.5       noro      208: #if !defined(VISUAL_LIB)
                    209: void ExitAsir() {
                    210:        exit(0);
                    211: }
                    212: #endif
                    213:
1.1       noro      214: /*
                    215:  * status = 1 abnormal termination (error() etc.)
                    216:  * status = 2 normal termination (end(), quit() etc.)
1.63      noro      217:  * status = 3 absolute termination
1.1       noro      218:  */
                    219:
1.24      noro      220: void asir_terminate(int status)
1.1       noro      221: {
1.21      noro      222:        int t;
1.53      noro      223:        NODE n;
1.63      noro      224:
                    225:        /* called from engine in Windows */
                    226:        if ( status == 3 ) asir_infile = 0;
1.21      noro      227:
1.62      noro      228:        if ( asir_infile && asir_infile->ready_for_longjmp )
                    229:                LONGJMP(asir_infile->jmpbuf,status);
                    230:        else {
1.54      noro      231:                if ( user_quit_handler ) {
1.58      noro      232:                        if ( !do_terse )
                    233:                                fprintf(stderr,"Calling the registered quit callbacks...");
1.54      noro      234:                        for ( n = user_quit_handler; n; n = NEXT(n) )
                    235:                                bevalf((FUNC)BDY(n),0);
1.58      noro      236:                        if ( !do_terse )
                    237:                                fprintf(stderr, "done.\n");
1.54      noro      238:                }
1.1       noro      239:                tty_reset();
1.33      noro      240: #if defined(MPI)
1.1       noro      241:                if ( !mpi_myid )
                    242:                        close_allconnections();
                    243:                mpi_finalize();
                    244: #else
1.20      noro      245: #if defined(SIGPIPE)
                    246:                signal(SIGPIPE,SIG_IGN);
                    247: #endif
1.1       noro      248:                close_allconnections();
                    249: #endif
                    250:                if ( asir_out )
                    251:                        fflush(asir_out);
1.32      noro      252: #if FEP
1.13      saito     253:                if ( do_fep ) {
                    254:                        stifle_history(MAXHIST);
                    255:                        write_history(asir_history);
                    256:                }
                    257: #endif
1.1       noro      258:                ExitAsir();
                    259:        }
                    260: }
                    261:
                    262: void param_init() {
                    263:        unsigned int et = 0xff;
                    264:        extern int paristack;
                    265:        if ( *((char *)&et) )
                    266:                little_endian = 1;
                    267:        else
                    268:                little_endian = 0;
                    269: }
1.39      noro      270:
                    271: Obj user_defined_prompt;
                    272:
1.1       noro      273: void prompt() {
1.48      noro      274:        if ( !do_quiet && !do_fep && asir_infile->fp == stdin ) {
1.21      noro      275:                fprintf(asir_out,"[%d] ",APVS->n);
1.48      noro      276:                fflush(asir_out);
                    277:        } else if ( do_quiet && user_defined_prompt
1.39      noro      278:                && OID(user_defined_prompt)==O_STR) {
                    279:                fprintf(asir_out,BDY((STRING)user_defined_prompt),APVS->n);
1.48      noro      280:                fflush(asir_out);
1.39      noro      281:        }
1.1       noro      282: }
                    283:
1.24      noro      284: void sprompt(char *ptr)
1.1       noro      285: {
1.21      noro      286:        sprintf(ptr,"[%d] ",APVS->n);
1.34      ohara     287: }
                    288:
                    289: #if !defined(VISUAL)
                    290: static int which(char *prog, char *path, char *buf, size_t size)
                    291: {
                    292:     char *tok;
                    293:     char delim[] = ":";
                    294:     char *path2  = malloc(strlen(path)+1);
                    295:     char *name   = malloc(size);
                    296:     int  proglen = strlen(prog)+3; /* "/" + prog + " \0" */
                    297:
                    298:     if (!name || !path2) {
                    299:         return 0;
                    300:     }
                    301:     strcpy(path2, path);
                    302:     tok = strtok(path2, delim);
                    303:     while (tok != NULL) {
                    304:         if (size >= strlen(tok)) {
                    305:             sprintf(name, "%s/%s", tok, prog);
                    306:             if (access(name, X_OK&R_OK) == 0) {
                    307:                 strcpy(buf, name);
                    308:                 strcat(buf, " ");
                    309:                 free(path2); free(name);
                    310:                 return 1;
                    311:             }
                    312:             tok = strtok(NULL, delim);
                    313:         }
                    314:     }
                    315:     free(path2); free(name);
                    316:     return 0;
                    317: }
                    318: #endif
                    319:
                    320: void cppname_init()
                    321: {
                    322: #if !defined(VISUAL)
                    323:     if (access(cppname, X_OK&R_OK) != 0) {
                    324:         which("cpp", "/lib:/usr/ccs/lib:/usr/bin", cppname, BUFSIZ) ||
                    325:         which("cpp", getenv("PATH"), cppname, BUFSIZ);
                    326:     }
                    327: #endif
1.1       noro      328: }
                    329:
                    330: FILE *in_fp;
                    331:
1.24      noro      332: void process_args(int ac,char **av)
1.1       noro      333: {
                    334:        do_asirrc = 1;
1.33      noro      335: #if !defined(MPI)
1.1       noro      336:        do_message = 1;
                    337: #endif
1.38      ohara     338:        do_quiet = 0;
1.1       noro      339:        while ( ac > 0 ) {
                    340:                if ( !strcmp(*av,"-heap") && (ac >= 2) ) {
                    341:                        void GC_expand_hp(int);
                    342:
                    343:                        GC_expand_hp(atoi(*(av+1))); av += 2; ac -= 2;
                    344:                } else if ( !strcmp(*av,"-adj") && (ac >= 2) ) {
                    345:                        char *slash;
                    346:
                    347:                        slash = strrchr(*(av+1),'/');
                    348:                        if ( slash ) {
                    349:                                *slash = 0;
                    350:                                GC_free_space_numerator = atoi(slash+1);
                    351:                        }
                    352:                        GC_free_space_divisor = atoi(*(av+1));
                    353:                        av += 2; ac -= 2;
                    354:                } else if ( !strcmp(*av,"-cpp") && (ac >= 2) ) {
                    355:                        strcpy(cppname,*(av+1)); av += 2; ac -= 2;
                    356:                } else if ( !strcmp(*av,"-f") && (ac >= 2) ) {
1.38      ohara     357:                        do_quiet = 1;
1.1       noro      358:                        in_fp = fopen(*(av+1),"r");
                    359:                        if ( !in_fp ) {
1.62      noro      360:                                fprintf(stderr,"%s does not exist!\n",*(av+1));
1.1       noro      361:                                asir_terminate(1);
                    362:                        }
                    363:                        do_file = 1;
1.42      ohara     364:                        do_filename = *(av+1);
1.1       noro      365:                        av += 2; ac -= 2;
1.42      ohara     366:                } else if ( !strcmp(*av,"-E") ) {
                    367:                        asir_setenv = 1; av++; ac--;
1.38      ohara     368:                } else if ( !strcmp(*av,"-quiet") ) {
1.39      noro      369:                        do_quiet = 1; av++; ac--;
1.1       noro      370:                } else if ( !strcmp(*av,"-norc") ) {
                    371:                        do_asirrc = 0; av++; ac--;
                    372:                } else if ( !strcmp(*av,"-nomessage") ) {
                    373:                        do_message = 0; av++; ac--;
1.11      noro      374:                } else if ( !strcmp(*av,"-rootdir") && (ac >= 2) ) {
                    375:                        set_rootdir(*(av+1)); av += 2; ac -= 2;
1.1       noro      376:                } else if ( !strcmp(*av,"-maxheap") && (ac >= 2) ) {
                    377:                        void GC_set_max_heap_size(int);
                    378:
                    379:                        GC_set_max_heap_size(atoi(*(av+1))); av += 2; ac -= 2;
                    380: #if !defined(VISUAL)
                    381:                } else if ( !strcmp(*av,"-display") && (ac >= 2) ) {
                    382:                        strcpy(displayname,*(av+1)); av += 2; ac -= 2;
                    383: #endif
1.32      noro      384: #if FEP
1.13      saito     385:                } else if ( !strcmp(*av,"-fep") ) {
                    386:                        do_fep = 1; av++; ac--;
                    387: #endif
1.31      ohara     388: #if defined(PARI)
1.1       noro      389:                } else if ( !strcmp(*av,"-paristack") ) {
                    390:                        extern int paristack;
                    391:
                    392:                        paristack = atoi(*(av+1)); av += 2; ac -= 2;
                    393: #endif
1.66    ! noro      394:                } else if ( !strcmp(*av,"-batch") ) {
        !           395:                        do_batch = 1; av++; ac--;
1.1       noro      396:                } else {
                    397:                        fprintf(stderr,"%s : unknown option.\n",*av);
                    398:                        asir_terminate(1);
                    399:                }
                    400:        }
1.32      noro      401: #if FEP
1.13      saito     402:        if ( do_fep ) {
                    403:                char *home;
                    404:                home = (char *)getenv("HOME");
                    405:                if (!home)
                    406:                        home = ".";
                    407:                sprintf (asir_history, "%s/.asir_history",home);
                    408:                read_history(asir_history);
                    409:                using_history();
                    410:        }
                    411: #endif
1.1       noro      412: }
                    413:
                    414: #include <signal.h>
                    415:
                    416: void sig_init() {
                    417: #if !defined(VISUAL)
                    418:        signal(SIGINT,int_handler);
                    419: #else
1.24      noro      420:        void register_ctrlc_handler();
                    421:
1.1       noro      422:        register_ctrlc_handler();
                    423: #endif
                    424:        signal(SIGSEGV,segv_handler);
                    425:
1.23      noro      426: #if defined(SIGFPE)
1.1       noro      427:        signal(SIGFPE,fpe_handler);
                    428: #endif
                    429:
1.23      noro      430: #if defined(SIGPIPE)
1.1       noro      431:        signal(SIGPIPE,pipe_handler);
                    432: #endif
                    433:
1.23      noro      434: #if defined(SIGILL)
1.1       noro      435:        signal(SIGILL,ill_handler);
                    436: #endif
                    437:
                    438: #if !defined(VISUAL)
                    439:        signal(SIGBUS,bus_handler);
                    440: #endif
                    441: }
                    442:
                    443: static void (*old_int)(int);
                    444:
                    445: void asir_save_handler() {
                    446:        old_int = signal(SIGINT,SIG_IGN);
                    447:        signal(SIGINT,old_int);
                    448: }
                    449:
                    450: void asir_set_handler() {
                    451:        signal(SIGINT,int_handler);
                    452: }
                    453:
                    454: void asir_reset_handler() {
                    455:        signal(SIGINT,old_int);
                    456: }
                    457:
1.62      noro      458: extern int I_am_server;
                    459:
1.24      noro      460: void resetenv(char *s)
1.1       noro      461: {
                    462:        extern FILE *outfile;
                    463:
1.53      noro      464:        fprintf(stderr,"%s\n",s);
1.1       noro      465:        while ( NEXT(asir_infile) )
                    466:                closecurrentinput();
                    467:        resetpvs();
                    468: #if !defined(VISUAL)
                    469:        if ( do_server_in_X11 )
                    470: #endif
                    471:                show_debug_window(0);
                    472: #if defined(VISUAL_LIB)
                    473:        w_noflush_stderr(0);
                    474: #endif
                    475:        asir_out = stdout;
1.31      ohara     476: #if defined(PARI)
1.1       noro      477:        pari_outfile = stdout;
                    478: #endif
                    479:        /* restore states */
                    480:        reset_engine();
                    481:        reset_io();
1.16      noro      482: #if !defined(VISUAL)
1.15      noro      483:        reset_timer();
1.16      noro      484: #endif
1.62      noro      485:        LONGJMP(main_env,1);
1.1       noro      486: }
                    487:
1.24      noro      488: void fatal(int n)
1.1       noro      489: {
                    490:        resetenv("return to toplevel");
                    491: }
                    492:
                    493: extern int ox_int_received, critical_when_signal;
                    494:
1.24      noro      495: void int_handler(int sig)
1.1       noro      496: {
                    497:        extern NODE PVSS;
1.53      noro      498:        NODE t;
1.48      noro      499:
1.1       noro      500:
                    501:        if ( do_file ) {
                    502:                ExitAsir();
                    503:        }
                    504:        if ( critical_when_signal ) {
                    505:                ox_int_received = 1;
                    506:                return;
                    507:        }
1.12      noro      508: #if defined(VISUAL)
1.19      noro      509:        suspend_timer();
1.1       noro      510: #endif
                    511:        signal(SIGINT,SIG_IGN);
1.3       noro      512: #if !defined(VISUAL)
                    513:     if ( do_server_in_X11 ) {
                    514:                debug(PVSS?((VS)BDY(PVSS))->usrf->f.usrf->body:0);
                    515:                restore_handler();
                    516:                return;
                    517:        }
1.1       noro      518: #endif
                    519: #if defined(linux)
                    520: #if 1
                    521:        while ( stdin->_IO_read_ptr < stdin->_IO_read_end )
                    522: #else
                    523:        while ( stdin->_gptr < stdin->_egptr )
                    524: #endif
                    525:                getchar();
                    526: #endif
                    527:        while ( 1 ) {
                    528:                char buf[BUFSIZ];
                    529:                char c;
                    530:
1.53      noro      531:                fprintf(stderr,"interrupt ?(q/t/c/d/u/w/?) "); fflush(stderr);
1.1       noro      532:                buf[0] = '\n';
                    533:                while ( buf[0] == '\n' )
                    534:                        fgets(buf,BUFSIZ,stdin);
                    535:                switch ( c = buf[0] ) {
                    536:                        case 'q':
                    537:                                while ( 1 ) {
1.53      noro      538:                                        fprintf(stderr,"Abort this session? (y or n) "); fflush(stderr);
1.1       noro      539:                                        fgets(buf,BUFSIZ,stdin);
                    540:                                        if ( !strncmp(buf,"y",1) ) {
1.53      noro      541:                                                fprintf(stderr,"Bye\n");
1.65      noro      542:                                                /* for terminating myself */
                    543:                                                asir_infile = 0;
1.48      noro      544:                                                asir_terminate(1);
1.1       noro      545:                                        } else if ( !strncmp(buf,"n",1) ) {
                    546:                                                restore_handler();
                    547:                                                return;
                    548:                                        }
                    549:                                }
                    550:                                break;
                    551:                        case 't':
                    552:                        case 'u':
                    553:                                while ( 1 ) {
1.53      noro      554:                                        fprintf(stderr,"Abort this computation? (y or n) "); fflush(stderr);
1.1       noro      555:                                        fgets(buf,BUFSIZ,stdin);
                    556:                                        if ( !strncmp(buf,"y",1) )
                    557:                                                break;
                    558:                                        else if ( !strncmp(buf,"n",1) ) {
                    559:                                                restore_handler();
                    560:                                                return;
                    561:                                        }
                    562:                                }
                    563:                                if ( debug_mode )
                    564:                                        debug_mode = 0;
                    565:                                restore_handler();
                    566:                                if ( c == 'u' ) {
1.53      noro      567:                                        if ( user_int_handler ) {
1.58      noro      568:                                                if ( !do_terse )
                    569:                                                        fprintf(stderr,
                    570:                                                                "Calling the registered exception callbacks...");
1.53      noro      571:                                                for ( t = user_int_handler; t; t = NEXT(t) )
                    572:                                                        bevalf((FUNC)BDY(t),0);
1.58      noro      573:                                                if ( !do_terse )
                    574:                                                        fprintf(stderr, "done.\n");
1.1       noro      575:                                        }
                    576:                                }
1.62      noro      577:                                resetenv("return to toplevel");
1.1       noro      578:                                break;
                    579:                        case 'd':
                    580: #if 0
                    581:                                nextbp = 1; nextbplevel = -1;
                    582: #endif
                    583:                                debug(PVSS?((VS)BDY(PVSS))->usrf->f.usrf->body:0);
                    584:                                restore_handler();
                    585:                                return;
                    586:                        case 'c':
                    587:                                restore_handler();
                    588:                                return; break;
                    589:                        case 'w':
1.48      noro      590:                                showpos();
                    591:                                break;
1.1       noro      592:                        case '?':
1.53      noro      593:                                fprintf(stderr, "q:quit t:toplevel c:continue d:debug u:call registered handler w:where\n");
1.1       noro      594:                                break;
                    595:                        default:
                    596:                                break;
                    597:                }
                    598:        }
                    599: }
                    600:
                    601: void restore_handler() {
1.12      noro      602: #if defined(VISUAL)
1.19      noro      603:        resume_timer();
1.1       noro      604: #endif
1.19      noro      605: #if defined(SIGINT)
1.1       noro      606:        signal(SIGINT,int_handler);
                    607: #endif
                    608: }
                    609:
1.24      noro      610: void segv_handler(int sig)
1.1       noro      611: {
1.19      noro      612: #if defined(SIGSEGV)
1.1       noro      613:        signal(SIGSEGV,segv_handler);
1.19      noro      614:        error("internal error (SEGV)");
1.1       noro      615: #endif
                    616: }
                    617:
1.24      noro      618: void ill_handler(int sig)
1.1       noro      619: {
1.19      noro      620: #if defined(SIGILL)
1.1       noro      621:        signal(SIGILL,ill_handler);
1.19      noro      622:        error("illegal instruction (ILL)");
1.1       noro      623: #endif
                    624: }
                    625:
1.24      noro      626: void alrm_handler(int sig)
1.1       noro      627: {
                    628:        fprintf(stderr,"interval timer expired (VTALRM)\n");
1.26      noro      629:        LONGJMP(timer_env,1);
1.1       noro      630: }
                    631:
1.24      noro      632: void bus_handler(int sig)
1.1       noro      633: {
                    634: #if defined(SIGBUS)
                    635:        signal(SIGBUS,bus_handler);
                    636:        error("internal error (BUS ERROR)");
                    637: #endif
                    638: }
                    639:
1.24      noro      640: void fpe_handler(int sig)
1.1       noro      641: {
1.19      noro      642: #if defined(SIGFPE)
1.1       noro      643:        signal(SIGFPE,fpe_handler);
1.19      noro      644:        error("internal error (FPE)");
1.1       noro      645: #endif
                    646: }
                    647:
1.24      noro      648: void pipe_handler(int sig)
1.1       noro      649: {
                    650: #if defined(SIGPIPE)
                    651:        signal(SIGPIPE,pipe_handler);
1.20      noro      652:        end_critical();
1.1       noro      653:        error("internal error (BROKEN PIPE)");
                    654: #endif
                    655: }
                    656:
                    657: void resize_buffer()
                    658: {
                    659: }
                    660:
                    661: void tty_init() {
                    662: }
                    663:
                    664: void tty_reset() {
                    665: }
                    666:
                    667: extern int evalstatline;
                    668:
1.24      noro      669: void set_lasterror(char *s)
1.1       noro      670: {
                    671:        strncpy(LastError,s,BUFSIZ);
                    672:        LastError[BUFSIZ-1] = 0;
                    673: }
                    674:
                    675: SNODE error_snode;
1.51      noro      676: int error_in_timer;
1.1       noro      677:
1.24      noro      678: void error(char *s)
1.1       noro      679: {
1.37      noro      680:        SNODE *snp=0;
1.1       noro      681:
1.16      noro      682: #if !defined(VISUAL)
1.51      noro      683:        if ( !error_in_timer && timer_is_set )
1.15      noro      684:                alrm_handler(SIGVTALRM);
1.16      noro      685: #endif
1.1       noro      686:        fprintf(stderr,"%s\n",s);
                    687:        set_lasterror(s);
                    688:        if ( CPVS != GPVS ) {
1.37      noro      689:                if ( CPVS && CPVS->usrf && CPVS->usrf->f.usrf )
1.7       noro      690:                        searchsn(&BDY(CPVS->usrf->f.usrf),evalstatline,&snp);
1.6       noro      691:                if ( snp )
                    692:                        error_snode = *snp;
                    693:                else
                    694:                        error_snode = 0;
1.1       noro      695:        } else
                    696:                error_snode = 0;
                    697:        if ( do_file ) {
                    698:                char errbuf[BUFSIZ*5]; /* sufficient to store stack information ? */
                    699:
                    700:                sprintf(errbuf,"%s\n",s);
                    701:                showpos_to_string(errbuf+strlen(errbuf));
                    702:                set_lasterror(errbuf);
                    703:                ExitAsir();
                    704:        }
                    705:        if ( debug_mode )
1.26      noro      706:                LONGJMP(debug_env,1);
1.1       noro      707:        if ( CPVS != GPVS )
1.52      noro      708:                if ( !no_debug_on_error && (do_server_in_X11 || isatty(0)) )
1.1       noro      709:                        bp(error_snode);
1.62      noro      710:        if ( I_am_server )
                    711:                showpos_to_list(&LastStackTrace);
1.40      noro      712:        resetenv("return to toplevel");
                    713: }
                    714:
                    715: void toplevel(char *s)
                    716: {
                    717:        SNODE *snp=0;
                    718:
                    719: #if !defined(VISUAL)
                    720:        if ( timer_is_set )
                    721:                alrm_handler(SIGVTALRM);
                    722: #endif
                    723:        fprintf(stderr,"%s\n",s);
                    724:        if ( do_file ) {
                    725:                char errbuf[BUFSIZ*5]; /* sufficient to store stack information ? */
                    726:
                    727:                sprintf(errbuf,"%s\n",s);
                    728:                showpos_to_string(errbuf+strlen(errbuf));
                    729:                ExitAsir();
                    730:        }
1.1       noro      731:        resetenv("return to toplevel");
                    732: }
                    733:
                    734: #if !defined(VISUAL)
                    735: #include <sys/time.h>
                    736:
1.24      noro      737: void set_timer(int interval)
1.1       noro      738: {
                    739:        struct itimerval it;
                    740:
                    741:        it.it_interval.tv_sec = interval;
                    742:        it.it_interval.tv_usec = 0;
                    743:        it.it_value.tv_sec = interval;
                    744:        it.it_value.tv_usec = 0;
                    745:        setitimer(ITIMER_VIRTUAL,&it,0);
                    746:        signal(SIGVTALRM,alrm_handler);
1.15      noro      747:        timer_is_set = 1;
1.1       noro      748: }
                    749:
                    750: void reset_timer()
                    751: {
                    752:        struct itimerval it;
                    753:
                    754:        it.it_interval.tv_sec = 0;
                    755:        it.it_interval.tv_usec = 0;
                    756:        it.it_value.tv_sec = 0;
                    757:        it.it_value.tv_usec = 0;
                    758:        setitimer(ITIMER_VIRTUAL,&it,0);
                    759:        signal(SIGVTALRM,SIG_IGN);
1.15      noro      760:        timer_is_set = 0;
1.1       noro      761: }
                    762: #endif
                    763:
                    764: unsigned int get_asir_version();
1.14      noro      765: char *get_asir_distribution();
1.1       noro      766:
1.47      ohara     767: char *get_pariversion()
                    768: {
1.32      noro      769: #if PARI
                    770: #if 0
1.59      saito     771:        return PARIVERSION", Copyright (C) 2000-2005 The PARI Group.\n";
                    772: #else
                    773:        return "PARI 2.0.17, copyright 1989-1999, C. Batut, K. Belabas, D. Bernardi,\n   H. Cohen and M. Olivier.\n";
1.32      noro      774: #endif
                    775: #endif
1.47      ohara     776:        return "";
1.1       noro      777: }
1.14      noro      778:
1.47      ohara     779: char *get_intervalversion()
                    780: {
                    781: #if defined(INTERVAL)
                    782:        return " + Interval Arithmetic";
                    783: #else
                    784:        return "";
                    785: #endif
                    786: }
                    787:
                    788: void copyright()
                    789: {
1.64      fujiwara  790:        char *format = "This is Risa/Asir%s, Version %d (%s Distribution).\nCopyright (C) 1994-2000, all rights reserved, FUJITSU LABORATORIES LIMITED.\nCopyright 2000-2006, Risa/Asir committers, http://www.openxm.org/.\nGC 6.5 Copyright 1988-2005, H-J. Boehm, A. J. Demers, Xerox, SGI, HP.\n%s";
1.47      ohara     791:        printf(format, get_intervalversion(), get_asir_version(), get_asir_distribution(), get_pariversion());
                    792: }
1.5       noro      793:
1.47      ohara     794: char *scopyright()
                    795: {
                    796:        static char *notice;
                    797:        char *s1, *s2, *s3;
                    798:        int d, len;
1.64      fujiwara  799:        char *format = "This is Risa/Asir%s, Version %d (%s Distribution).\nCopyright (C) 1994-2000, all rights reserved, FUJITSU LABORATORIES LIMITED.\nCopyright 2000-2006, Risa/Asir committers, http://www.openxm.org/.\nGC 6.5 copyright 1988-2005, H-J. Boehm, A. J. Demers, Xerox, SGI, HP.\n%s";
1.47      ohara     800:        if (!notice) {
                    801:                s1 = get_intervalversion();
                    802:                s2 = get_asir_distribution();
                    803:                s3 = get_pariversion();
                    804:                d  = get_asir_version();
                    805:                len = (strlen(format)-8)+strlen(s1)+strlen(s2)+strlen(s3)+sizeof(int)*3;
                    806:                notice = MALLOC(len+1);
                    807:                sprintf(notice, format, s1, d, s2, s3);
                    808:        }
                    809:        return notice;
                    810: }

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