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Annotation of OpenXM/src/kxx/ox_texmacs.c, Revision 1.18

1.18    ! takayama    1: /* $OpenXM: OpenXM/src/kxx/ox_texmacs.c,v 1.17 2004/03/11 03:32:46 takayama Exp $ */
1.1       takayama    2:
                      3: #include <stdio.h>
                      4: #include <setjmp.h>
                      5: #include <signal.h>
                      6: #include "ox_kan.h"
                      7: #include "serversm.h"
                      8:
                      9: #if defined(__CYGWIN__)
                     10: #define JMP_BUF sigjmp_buf
                     11: #define SETJMP(env)  sigsetjmp(env,1)
                     12: #define LONGJMP(env,p)  siglongjmp(env,p)
                     13: #else
                     14: #define JMP_BUF jmp_buf
                     15: #define SETJMP(env)  setjmp(env)
                     16: #define LONGJMP(env,p)  longjmp(env,p)
                     17: #endif
                     18:
1.3       takayama   19: /*
                     20: #define DEBUG
                     21: */
1.7       takayama   22: /* #define DEBUG2 */
1.3       takayama   23:
1.2       takayama   24: #ifdef DEBUG
                     25: #define DATA_BEGIN_V  "<S type=verbatim>"     /* "\002verbatim:" */
                     26: #define DATA_BEGIN_L  "<S type=latex>"        /* "\002latex:" */
                     27: #define DATA_BEGIN_P  "<S type=prompt>"        /* "\002channel:prompt " */
1.17      takayama   28: #define DATA_BEGIN_PS  "<S type=postscript>"        /* "\002ps: " */
1.2       takayama   29: #define DATA_END      "</S>"    /* "\005" */
                     30: #else
                     31: #define DATA_BEGIN_V  "\002verbatim:"
                     32: #define DATA_BEGIN_L  "\002latex:"
                     33: #define DATA_BEGIN_P  "\002prompt:"
1.17      takayama   34: #define DATA_BEGIN_PS  "\002ps:"
1.2       takayama   35: #define DATA_END      "\005"
                     36: #endif
                     37:
                     38: /*
                     39: #define END_OF_INPUT  '#'
                     40: */
                     41: #define END_OF_INPUT '\n'
1.1       takayama   42:
1.5       takayama   43: /* Table for the engine type. */
                     44: #define ASIR          1
                     45: #define SM1           2
                     46: #define K0            3
                     47:
1.1       takayama   48: extern int Quiet;
                     49: extern JMP_BUF EnvOfStackMachine;
1.3       takayama   50: int Format=1;  /* 1 : latex mode */
                     51: int OutputLimit_for_TeXmacs = (1024*10);
1.1       takayama   52:
1.5       takayama   53: int TM_Engine  = ASIR ;
                     54: int TM_asirStarted = 0;
                     55: int TM_sm1Started  = 0;
                     56: int TM_k0Started  = 0;
1.7       takayama   57: int TM_do_not_print = 0;
1.5       takayama   58:
1.15      takayama   59: int Xm_noX = 0;
                     60: int NoCopyright = 0;
                     61:
1.1       takayama   62: void ctrlC();
                     63: struct object KpoString(char *s);
                     64: char *KSpopString(void);
                     65:
1.2       takayama   66: static char *readString(FILE *fp,char *prolog, char *eplog);
1.1       takayama   67: static void printv(char *s);
                     68: static void printl(char *s);
                     69: static void printp(char *s);
1.17      takayama   70: static void printps(char *s);
1.2       takayama   71: static void printCopyright(char *s);
1.5       takayama   72: static int startEngine(int type,char *msg);
1.17      takayama   73: static int isPS(char *s);
1.2       takayama   74:
                     75: /* tail -f /tmp/debug-texmacs.txt
                     76:    Debug output to understand the timing problem of pipe interface.
                     77: */
1.3       takayama   78: FILE *Dfp;
1.1       takayama   79:
1.10      takayama   80: main(int argc,char *argv[]) {
1.1       takayama   81:   char *s;
                     82:   char *r;
                     83:   char *sys;
                     84:   struct object ob;
1.3       takayama   85:   int irt=0;
1.4       takayama   86:   int vmode=1;
1.7       takayama   87:   char *openxm_home;
                     88:   char *asir_config;
1.10      takayama   89:   int i;
1.1       takayama   90:
1.7       takayama   91:   openxm_home = (char *) getenv("OpenXM_HOME");
                     92:   asir_config = (char *) getenv("ASIR_CONFIG");
                     93:   if (openxm_home == NULL || asir_config == NULL) {
1.8       takayama   94:     printv("The environmental variables OpenXM_HOME/ASIR_CONFIG are not set.\nStart the texmacs with openxm texmacs or ox_texmacs by openxm ox_texmacs\nBye...");
                     95:     exit(10);
1.7       takayama   96:   }
                     97:
                     98:
1.3       takayama   99: #ifdef DEBUG2
                    100:   Dfp = fopen("/tmp/debug-texmacs.txt","w");
                    101: #endif
1.2       takayama  102:
1.1       takayama  103:   /* Set consts */
                    104:   Quiet = 1;
1.10      takayama  105:   for (i=1; i<argc; i++) {
                    106:        if (strcmp(argv[i],"--sm1") == 0) {
                    107:          TM_Engine = SM1;
                    108:        }else if (strcmp(argv[i],"--asir") == 0) {
                    109:          TM_Engine = ASIR;
                    110:        }else if (strcmp(argv[i],"--k0") == 0) {
                    111:          TM_Engine = K0;
1.14      takayama  112:     }else if (strcmp(argv[i],"--outputLimit") == 0) {
                    113:       i++;
                    114:       sscanf(argv[i],"%d",&OutputLimit_for_TeXmacs);
1.15      takayama  115:     }else if (strcmp(argv[i],"--noLogWindow") == 0) {
                    116:          Xm_noX = 1;
                    117:     }else if (strcmp(argv[i],"--noCopyright") == 0) {
                    118:          NoCopyright = 1;
1.10      takayama  119:        }else{
1.12      takayama  120:          /* printv("Unknown option\n"); */
1.10      takayama  121:        }
                    122:   }
1.1       takayama  123:
                    124:   /* Initialize kanlib (gc is also initialized) */
                    125:   KSstart();
                    126:
1.3       takayama  127:   /* Main loop */
                    128:   printf("%s",DATA_BEGIN_V);
                    129:   printCopyright("");
                    130:
1.1       takayama  131:   /* Load ox engine here */
                    132:   /* engine id should be set to ox.engine */
                    133:   KSexecuteString(" [(parse) (ox.sm1) pushfile] extension ");
1.15      takayama  134:   if (Xm_noX) KSexecuteString(" /Xm_noX 1 def ");
1.5       takayama  135:   startEngine(TM_Engine," ");
1.1       takayama  136:
                    137:   if (signal(SIGINT,SIG_IGN) != SIG_IGN) {
1.8       takayama  138:     signal(SIGINT,ctrlC);
1.1       takayama  139:   }
1.3       takayama  140:
                    141:   irt = 0;
1.1       takayama  142:   while(1) {
1.8       takayama  143:     /* printp(sys);  no prompt */
                    144:     if (SETJMP(EnvOfStackMachine)) {
                    145:       KSexecuteString(" ctrlC-hook "); /* Execute User Defined functions. */
                    146:       if (signal(SIGINT,SIG_IGN) != SIG_IGN) {
                    147:         signal(SIGINT,ctrlC);
                    148:       }
                    149:       irt = 1;
                    150:       continue;
                    151:     } else {  }
                    152:     if (!irt) {
                    153:       printf("%s",DATA_END); fflush(stdout);
                    154:     }
                    155:     irt = 0;
1.7       takayama  156:
                    157:     /* Reading the input. */
1.8       takayama  158:     if (TM_Engine == K0) {
                    159:       s=readString(stdin, " ", " "); /* see test data */
                    160:     }else if (TM_Engine == SM1) {
                    161:       s=readString(stdin, " ", " "); /* see test data */
                    162:     }else{
                    163:       s=readString(stdin, "if (1) { ", " ; }else{ }"); /* see test data */
                    164:     }
1.5       takayama  165:
1.8       takayama  166:     if (s == NULL) { irt = 1; continue; }
                    167:     if (!irt) printf("%s",DATA_BEGIN_V);
1.7       takayama  168:     /* Evaluate the input on the engine */
1.1       takayama  169:     KSexecuteString(" ox.engine ");
1.7       takayama  170:     ob = KpoString(s);
1.8       takayama  171:     KSpush(ob);
                    172:     KSexecuteString(" oxsubmit ");
                    173:
1.1       takayama  174:     /* Get the result in string. */
1.8       takayama  175:     if (Format == 1 && (! TM_do_not_print)) {
                    176:       /* translate to latex form */
                    177:       KSexecuteString(" ox.engine oxpushcmotag ox.engine oxpopcmo ");
                    178:       ob = KSpop();
                    179:       vmode = 0;
                    180:       /* printf("id=%d\n",ob.tag); bug: matrix return 17 instead of Sinteger
                    181:        or error. */
                    182:       if (ob.tag == Sinteger) {
                    183:         /* printf("cmotag=%d\n",ob.lc.ival);*/
                    184:         if (ob.lc.ival == CMO_ERROR2) {
                    185:           vmode = 1;
                    186:         }
                    187:         if (ob.lc.ival == CMO_STRING) {
                    188:           vmode = 1;
                    189:         }
                    190:       }
                    191:       if (vmode) {
                    192:         KSexecuteString(" ox.engine oxpopstring ");
                    193:         r = KSpopString();
                    194:       }else{
                    195:         KSexecuteString(" ox.engine 1 oxpushcmo ox.engine (print_tex_form) oxexec  ");
                    196:         KSexecuteString(" ox.engine oxpopstring ");
                    197:         r = KSpopString();
                    198:       }
1.17      takayama  199:       if (isPS(r)) {
                    200:         printps(r);
                    201:       }else{
                    202:         if (vmode) printv(r);
                    203:         else{
                    204:           if (strlen(r) < OutputLimit_for_TeXmacs) {
                    205:             printl(r);
                    206:           } else printv("Output is too large.\n");
                    207:         }
                    208:       }
1.8       takayama  209:     }else{
                    210:       if (!TM_do_not_print) {
                    211:         KSexecuteString(" ox.engine oxpopstring ");
                    212:         r = KSpopString();
1.17      takayama  213:         printv(r);
1.8       takayama  214:       }else{
                    215:         KSexecuteString(" ox.engine 1 oxpops "); /* Discard the result. */
1.12      takayama  216:         /* Push and pop dummy data to wait until the computation finishes. */
                    217:         KSexecuteString(" ox.engine 0 oxpushcmo ox.engine oxpopcmo ");
                    218:         ob = KSpop();
1.8       takayama  219:         printv("");
                    220:       }
                    221:     }
1.1       takayama  222:   }
                    223: }
                    224:
                    225: #define SB_SIZE 1024
1.8       takayama  226: #define INC_BUF     if (n >= limit-3) { \
                    227:       tmp = s; \
                    228:       limit *= 2;  \
                    229:       s = (char *) sGC_malloc(limit); \
                    230:       if (s == NULL) { \
                    231:         fprintf(stderr,"No more memory.\n"); \
                    232:         exit(10); \
                    233:       } \
                    234:       strcpy(s,tmp); \
                    235:     }
1.2       takayama  236: /*   */
                    237: static char *readString(FILE *fp, char *prolog, char *epilog) {
1.1       takayama  238:   int n = 0;
                    239:   static int limit = 0;
                    240:   static char *s;
                    241:   int c;
                    242:   char *tmp;
1.2       takayama  243:   int i;
1.3       takayama  244:   int m;
                    245:   int start;
1.13      takayama  246:   struct object ob;
1.1       takayama  247:   if (limit == 0) {
1.8       takayama  248:     limit = 1024;
                    249:     s = (char *)sGC_malloc(limit);
                    250:     if (s == NULL) {
                    251:       fprintf(stderr,"No more memory.\n");
                    252:       exit(10);
                    253:     }
1.1       takayama  254:   }
1.2       takayama  255:   s[0] = 0; n = 0; m = 0;
                    256:   for (i=0; i < strlen(prolog); i++) {
1.8       takayama  257:     s[n++] = prolog[i];  s[n] = 0;
1.2       takayama  258:     INC_BUF ;
                    259:   }
1.3       takayama  260:   start = n;
1.1       takayama  261:   while ((c = fgetc(fp)) != EOF) {
1.3       takayama  262: #ifdef DEBUG2
1.8       takayama  263:     fprintf(Dfp,"[%x] ",c); fflush(Dfp);
1.3       takayama  264: #endif
1.8       takayama  265:     if (c == END_OF_INPUT) {
1.18    ! takayama  266:       /* If there remains data in the stream,
        !           267:          read the remaining data. */
        !           268:          /*
1.8       takayama  269:       if (oxSocketSelect0(0,1)) {
                    270:         if (c == '\n') c=' ';
                    271:         s[n++] = c; s[n] = 0;  m++;
                    272:         INC_BUF ;
                    273:         continue;
                    274:       }
1.18    ! takayama  275:       */
1.8       takayama  276:       break;
                    277:     }
1.18    ! takayama  278:     if ( c == '\v') c=' ';
1.8       takayama  279:     s[n++] = c; s[n] = 0;  m++;
1.2       takayama  280:     INC_BUF ;
                    281:   }
1.5       takayama  282:   /* Check the escape sequence */
                    283:   if (strcmp(&(s[start]),"!quit;") == 0) {
1.8       takayama  284:     printv("Terminated the process ox_texmacs.\n");
                    285:     exit(0);
1.3       takayama  286:   }
1.11      takayama  287:   /* Check the escape sequence to change the global env. */
1.5       takayama  288:   if (strcmp(&(s[start]),"!verbatim;") == 0) {
1.8       takayama  289:     printv("Output mode is changed to verbatim mode.");
                    290:     Format=0;
                    291:     return NULL;
1.5       takayama  292:   }
                    293:   if (strcmp(&(s[start]),"!latex;") == 0) {
1.8       takayama  294:     printv("Output mode is changed to latex/verbose.");
                    295:     Format = 1;
                    296:     return NULL;
1.5       takayama  297:   }
                    298:   if (strcmp(&(s[start]),"!asir;") == 0) {
1.8       takayama  299:     Format=1;
                    300:     TM_Engine=ASIR; startEngine(TM_Engine,"Asir");
                    301:     return NULL;
1.5       takayama  302:   }
                    303:   if (strcmp(&(s[start]),"!sm1;") == 0) {
1.8       takayama  304:     Format=0;
                    305:     TM_Engine=SM1; startEngine(TM_Engine,"sm1");
                    306:     return NULL;
1.5       takayama  307:   }
                    308:   if (strcmp(&(s[start]),"!k0;") == 0) {
1.8       takayama  309:     Format=0;
                    310:     TM_Engine=K0; startEngine(TM_Engine,"k0");
                    311:     return NULL;
1.5       takayama  312:   }
1.13      takayama  313:   if (strcmp(&(s[start]),"!reset;") == 0) {
                    314:        printf("%s",DATA_BEGIN_V);
                    315:     KSexecuteString(" ox.engine oxreset ox.engine oxpopcmo ");
                    316:        ob = KSpop();
                    317:        printf("%s",DATA_END); fflush(stdout);
                    318:     return NULL;
                    319:   }
1.11      takayama  320:
                    321:   /* Set TM_do_no_print */
                    322:   if (s[n-1] == '$' && TM_Engine == ASIR) {
                    323:        TM_do_not_print = 1; s[n-1] = ' ';
                    324:   } else if (s[n-1] == ';' && TM_Engine == SM1) {
                    325:        TM_do_not_print = 1; s[n-1] = ' ';
                    326:   } else TM_do_not_print = 0;
1.5       takayama  327:
1.2       takayama  328:   for (i=0; i < strlen(epilog); i++) {
1.8       takayama  329:     s[n++] = epilog[i];  s[n] = 0;
1.2       takayama  330:     INC_BUF ;
1.1       takayama  331:   }
                    332:   return s;
                    333: }
                    334:
                    335: static void printv(char *s) {
                    336:   int i;
                    337:   printf("%s",DATA_BEGIN_V);
                    338:   printf("%s",s);
                    339:   printf("%s",DATA_END);
1.3       takayama  340: #ifdef DEBUG2
                    341:   fprintf(Dfp,"<%s>",s); fflush(Dfp);
                    342: #endif
1.1       takayama  343:   fflush(NULL);
                    344: }
                    345: static void printl(char *s) {
                    346:   printf("%s",DATA_BEGIN_L);
1.4       takayama  347:   printf(" $ %s $ ",s);
1.17      takayama  348:   printf("%s",DATA_END);
                    349:   fflush(NULL);
                    350: }
                    351: static int isPS(char *s) {
                    352:   if (s[0] != '%') return 0;
                    353:   if (s[1] != '%') return 0;
                    354:   if (s[2] != '!') return 0;
                    355:   if (s[3] != 'P') return 0;
                    356:   if (s[4] != 'S') return 0;
                    357:   return 1;
                    358: }
                    359: static void printps(char *s) {
                    360:   printf("%s",DATA_BEGIN_PS);
                    361:   printf("%s",s);
1.1       takayama  362:   printf("%s",DATA_END);
                    363:   fflush(NULL);
                    364: }
                    365: static void printp(char *s) {
                    366:   printf("%s",DATA_BEGIN_P);
1.2       takayama  367:   printf("%s",DATA_END);
                    368:   printf("%s] ",s);
                    369:   fflush(NULL);
                    370: }
                    371: static void printCopyright(char *s) {
1.3       takayama  372:   printf("%s",DATA_BEGIN_V);
1.15      takayama  373:   if (! NoCopyright) {
                    374:     printf("OpenXM engine (ox engine) interface for TeXmacs\n2004 (C) openxm.org");
1.16      takayama  375:     printf(" under the BSD license.  !asir; !sm1; !k0; !verbatim;\n");
1.15      takayama  376:     printf("Type in      !reset;     when the engine gets confused. ");
                    377:     printf("%s",s);
                    378:   }
1.5       takayama  379:   printf("%s",DATA_END);
                    380:   fflush(NULL);
                    381: }
                    382:
                    383: static int startEngine(int type,char *msg) {
                    384:   struct object ob;
                    385:   printf("%s",DATA_BEGIN_V);
                    386:   if (type == SM1) {
                    387:     if (!TM_sm1Started) KSexecuteString(" sm1connectr ");
1.8       takayama  388:     KSexecuteString(" /ox.engine oxsm1.ccc def ");
1.10      takayama  389:     /* Initialize the setting of sm1. */
                    390:     KSexecuteString("  oxsm1.ccc ( [(cmoLispLike) 0] extension ) oxsubmit ");
                    391:     KSexecuteString("  oxsm1.ccc ( ox_server_mode ) oxsubmit ");
                    392:     KSexecuteString("  oxsm1.ccc ( ( ) message (------------- Message from sm1 ----------------)message ) oxsubmit ");
1.8       takayama  393:     TM_sm1Started = 1;
1.10      takayama  394:        /* Welcome message.  BUG. Copyright should be returned by a function. */
1.15      takayama  395:     if (! NoCopyright) {
                    396:       printf("Kan/StackMachine1                         1991 April --- 2004.\n");
                    397:       printf("This software may be freely distributed as is with no warranty expressed. \n");
                    398:       printf("See OpenXM/Copyright/Copyright.generic\n");
                    399:       printf("Info: http://www.math.kobe-u.ac.jp/KAN, kan@math.kobe-u.ac.jp.\n");
                    400:       printf("0 usages to show a list of functions. \n(keyword) usages to see a short description\n");
                    401:     }
1.8       takayama  402:     printf("%s\n",msg);
1.5       takayama  403:   }else if (type == K0) {
                    404:     if (!TM_k0Started) KSexecuteString(" k0connectr ");
1.8       takayama  405:     KSexecuteString(" /ox.engine oxk0.ccc def ");
                    406:     TM_k0Started = 1;
                    407:     printf("%s\n",msg);
1.5       takayama  408:   }else{
                    409:     if (!TM_asirStarted) KSexecuteString(" asirconnectr ");
1.8       takayama  410:     KSexecuteString(" /ox.engine oxasir.ccc def ");
                    411:     TM_asirStarted = 1;
                    412:     printf("%s\n",msg);
1.15      takayama  413:     if ( ! NoCopyright) {
                    414:       KSexecuteString(" oxasir.ccc (copyright()+asir_contrib_copyright();) oxsubmit oxasir.ccc oxpopstring ");
                    415:       ob = KSpop();
                    416:       if (ob.tag == Sdollar) {
                    417:         printf("%s",ob.lc.str);
                    418:       }
1.8       takayama  419:     }
1.7       takayama  420:     /* Initialize the setting of asir. */
                    421:     KSexecuteString(" oxasir.ccc (if(1) {  Xm_server_mode = 1; Xm_helpdir = \"help-eg\";  } else { ; } ;) oxsubmit oxasir.ccc oxpopcmo ");
                    422:     KSexecuteString(" oxasir.ccc (if(1) {  ctrl(\"message\",0);  } else { ; } ;) oxsubmit oxasir.ccc oxpopcmo ");
                    423:     /* bug; if ctrl is written with Xm_helpdir = ... without oxpopcmo, then it does
                    424:        not work. */
1.9       takayama  425:     KSexecuteString(" oxasir.ccc (print(\"----------- Messages from asir ------------------------------\")$ ) oxsubmit oxasir.ccc oxpopcmo ");
1.5       takayama  426:   }
1.1       takayama  427:   printf("%s",DATA_END);
                    428:   fflush(NULL);
                    429: }
1.2       takayama  430:
                    431: /* test data
                    432:
                    433: 1.  print("hello"); print("afo");
                    434:
                    435:     1+2;
                    436:
                    437: 2. def foo(N) { for (I=0; I<10; I++) {   --> error
                    438:
                    439:    3+5;
                    440:
                    441: 4.  print("hello"); shift+return print("afo");
                    442:
                    443: */
                    444:
                    445:
                    446:

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