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Diff for /OpenXM/src/kxx/ox_texmacs.c between version 1.21 and 1.47

version 1.21, 2005/06/16 05:07:24 version 1.47, 2019/09/25 06:30:37
Line 1 
Line 1 
 /* $OpenXM: OpenXM/src/kxx/ox_texmacs.c,v 1.20 2004/09/17 02:42:58 takayama Exp $ */  /* $OpenXM: OpenXM/src/kxx/ox_texmacs.c,v 1.46 2019/09/25 06:29:10 takayama Exp $ */
   
 #include <stdio.h>  #include <stdio.h>
   #include <stdlib.h>
   #include <string.h>
 #include <setjmp.h>  #include <setjmp.h>
 #include <signal.h>  #include <signal.h>
 #include "ox_kan.h"  #include "ox_kan.h"
 #include "serversm.h"  #include "serversm.h"
   #include "ox_pathfinder.h"
   
 #if defined(__CYGWIN__)  #if defined(__CYGWIN__) || defined(__MSYS__)
 #define JMP_BUF sigjmp_buf  #define JMP_BUF sigjmp_buf
 #define SETJMP(env)  sigsetjmp(env,1)  #define SETJMP(env)  MYSIGSETJMP(env,1)
 #define LONGJMP(env,p)  siglongjmp(env,p)  #define LONGJMP(env,p)  MYSIGLONGJMP(env,p)
 #else  #else
 #define JMP_BUF jmp_buf  #define JMP_BUF jmp_buf
 #define SETJMP(env)  setjmp(env)  #define SETJMP(env)  MYSETJMP(env)
 #define LONGJMP(env,p)  longjmp(env,p)  #define LONGJMP(env,p)  MYLONGJMP(env,p)
 #endif  #endif
   
 /*  /*
 #define DEBUG  #define DEBUG
 */  */
 /* #define DEBUG2 */  /*
   #define DEBUG2
   */
   
 #ifdef DEBUG  /* Type of View part (user interface engine) */
 #define DATA_BEGIN_V  "<S type=verbatim>"     /* "\002verbatim:" */  #define  GENERIC      0   /* DEBUG, xml */
 #define DATA_BEGIN_L  "<S type=latex>"        /* "\002latex:" */  #define  V_TEXMACS    1
 #define DATA_BEGIN_P  "<S type=prompt>"        /* "\002channel:prompt " */  #define  V_CFEP       2
 #define DATA_BEGIN_PS  "<S type=postscript>"        /* "\002ps: " */  #define  V_QFEP       3
 #define DATA_END      "</S>"    /* "\005" */  #define  V_SAGE       4
 #else  #define  V_JUPYTER       5
 #define DATA_BEGIN_V  "\002verbatim:"  int View       = V_TEXMACS ;
 #define DATA_BEGIN_L  "\002latex:"  
 #define DATA_BEGIN_P  "\002prompt:"  
 #define DATA_BEGIN_PS  "\002ps:"  
 #define DATA_END      "\005"  
 #endif  
   
 /*  char *Data_begin_v[] = {
 #define END_OF_INPUT  '#'    "<S type=verbatim>",
     "\002verbatim:",
     "\002",
     "",
     "",
     ""
   };
   char *Data_begin_l[] = {
     "<S type=latex>",
     "\002latex:",
     "\002latex:",
     "",
     "",
     ""
   };
   char *Data_begin_p[] = {
     "<S type=prompt>",
     "\002prompt:",
     "\002prompt:",
     "",
     "",
     ""
   };
   char *Data_begin_ps[] = {
     "<S type=postscript>",
     "\002ps:",
     "\002ps:",
     "",
     "",
     ""
   };
   char *Data_end[] = {
     "</S>",
     "\005",
     "\n\005",    /* \n is not a part of the protocol. */
     "",
     "",          /* SAGE */
     "\n"
   };
   
   /* todo:  start_of_input */
   
   char End_of_input[] = {
     0x5,              /* Use ^E and Return to end the input. */
     '\n',  /* TEXMACS_END_OF_INPUT. 0xd should be used for multiple lines. */
     0x5,    /* CFEP_END_OF_INPUT    */
     0x5,
     '\n',   /* SAGE cf. __init__ */
     '\n'
   };
   
   /* Note! if you give more than 10 Views, increase the number 10  below.
      See the option --prompt which should be given after --view is set.
 */  */
 #define END_OF_INPUT '\n'  char *Prompt[10]={
     "generic>", /* generic */
     "", /* texmacs */
     "",    /* cfep */
     "",   /* qfep */
     "\nasir>",    /* SAGE */
     "\nPEXPECT_PROMPT>"
   };
   
   
 /* Table for the engine type. */  /* Table for the engine type. */
 #define ASIR          1  #define ASIR          1
 #define SM1           2  #define SM1           2
Line 49  extern int Quiet;
Line 109  extern int Quiet;
 extern JMP_BUF EnvOfStackMachine;  extern JMP_BUF EnvOfStackMachine;
 extern int Calling_ctrlC_hook;  extern int Calling_ctrlC_hook;
 extern int RestrictedMode, RestrictedMode_saved;  extern int RestrictedMode, RestrictedMode_saved;
 int Format=1;  /* 1 : latex mode */  int Format=1;  /* 1 : latex mode, 2: cfep_png */
 int OutputLimit_for_TeXmacs = (1024*10);  int OutputLimit_for_TeXmacs = (1024*10);
   
   
 int TM_Engine  = ASIR ;  int TM_Engine  = ASIR ;
 int TM_asirStarted = 0;  int TM_asirStarted = 0;
 int TM_sm1Started  = 0;  int TM_sm1Started  = 0;
Line 60  int TM_do_not_print = 0;
Line 121  int TM_do_not_print = 0;
   
 int Xm_noX = 0;  int Xm_noX = 0;
 int NoCopyright = 0;  int NoCopyright = 0;
   int Cpp = 0;                 /* Use cpp before sending to the engine. */
   int EngineLogToStdout = 0;   /* Do not run the ox engine inside xterm. */
   
   char *AsirInitFile = NULL;
   
   char *LanguageResource = NULL;
   int TM_quiet = 0;
   
 void ctrlC();  void ctrlC();
 struct object KpoString(char *s);  struct object KpoString(char *s);
 char *KSpopString(void);  char *KSpopString(void);
Line 73  static void printps(char *s);
Line 141  static void printps(char *s);
 static void printCopyright(char *s);  static void printCopyright(char *s);
 static int startEngine(int type,char *msg);  static int startEngine(int type,char *msg);
 static int isPS(char *s);  static int isPS(char *s);
   static int end_of_input(int c);
   static void setDefaultParameterForCfep();
   static void setDefaultParameterForSage();
   static void setDefaultParameterForJupyter();
   
   static void myEncoder(int c);
   static void myEncoderS(unsigned char *s);
   static void myEncoderSn(unsigned char *s,int n);
   static void outputStringToTunnel0(int channel, unsigned char *s, int size, int view);
   static void outputStringToTunnel(int channel, unsigned char *s,  int view);
   
   static void pngSendFile(char *path);
   static int pngCheck(void);
   static void pngNotAvailable(void);
   static char *pngGetResult();
   
   static void flushSm1();
   static int is_substr_of(char a[],char s[]);
   static void hexout(FILE *fp,char s[]);
   static int mystrncmp(char a[],char s[]);
   
   
 /* tail -f /tmp/debug-texmacs.txt  /* tail -f /tmp/debug-texmacs.txt
    Debug output to understand the timing problem of pipe interface.     Debug output to understand the timing problem of pipe interface.
 */  */
Line 88  main(int argc,char *argv[]) {
Line 177  main(int argc,char *argv[]) {
   int vmode=1;    int vmode=1;
   char *openxm_home;    char *openxm_home;
   char *asir_config;    char *asir_config;
     char *path;
   int i;    int i;
   
   openxm_home = (char *) getenv("OpenXM_HOME");  
   asir_config = (char *) getenv("ASIR_CONFIG");  
   if (openxm_home == NULL || asir_config == NULL) {  
     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...");  
     exit(10);  
   }  
   
   
 #ifdef DEBUG2  #ifdef DEBUG2
   Dfp = fopen("/tmp/debug-texmacs.txt","w");    Dfp = fopen("/tmp/debug-texmacs.txt","w");
 #endif  #endif
   
     TM_quiet=0;
     for (i=1; i<argc; i++) {
       if (strcmp(argv[i],"--quiet")==0) {
         TM_quiet=1;
       }
     }
     /* Initialize kanlib (gc is also initialized) */
     if (TM_quiet) {
       KSstart_quiet();
     }else{
       KSstart();
     }
   /* Set consts */    /* Set consts */
   Quiet = 1;    Quiet = 1;
   for (i=1; i<argc; i++) {    for (i=1; i<argc; i++) {
         if (strcmp(argv[i],"--sm1") == 0) {      if (strcmp(argv[i],"--view") == 0) {
           TM_Engine = SM1;        i++;
         }else if (strcmp(argv[i],"--asir") == 0) {        if (strcmp(argv[i],"texmacs") == 0) {
           TM_Engine = ASIR;          View = V_TEXMACS;
         }else if (strcmp(argv[i],"--k0") == 0) {        }else if (strcmp(argv[i],"cfep")==0) {
           TM_Engine = K0;          View = V_CFEP; setDefaultParameterForCfep();
         }else if (strcmp(argv[i],"qfep")==0) {
           View = V_QFEP; setDefaultParameterForCfep();
         }else if (strcmp(argv[i],"sage")==0) {
           View = V_SAGE; setDefaultParameterForSage();
         }else if (strcmp(argv[i],"jupyter")==0) {
           View = V_JUPYTER; setDefaultParameterForJupyter();
         }else{
           View = GENERIC;
           /* printv("Unknown view type.\n"); */
         }
       } else if (strcmp(argv[i],"--sm1") == 0) {
         TM_Engine = SM1;
       }else if (strcmp(argv[i],"--asir") == 0) {
         TM_Engine = ASIR;
       }else if (strcmp(argv[i],"--k0") == 0) {
         TM_Engine = K0;
     }else if (strcmp(argv[i],"--outputLimit") == 0) {      }else if (strcmp(argv[i],"--outputLimit") == 0) {
       i++;        i++;
       sscanf(argv[i],"%d",&OutputLimit_for_TeXmacs);        sscanf(argv[i],"%d",&OutputLimit_for_TeXmacs);
     }else if (strcmp(argv[i],"--noLogWindow") == 0) {      }else if (strcmp(argv[i],"--noLogWindow") == 0) {
           Xm_noX = 1;        Xm_noX = 1;
     }else if (strcmp(argv[i],"--noCopyright") == 0) {      }else if (strcmp(argv[i],"--noCopyright") == 0) {
           NoCopyright = 1;        NoCopyright = 1;
         }else{      }else if (strcmp(argv[i],"--cpp") == 0) {
           /* printv("Unknown option\n"); */        Cpp = 1;
         }      }else if (strcmp(argv[i],"--engineLogToStdout") == 0) {
         EngineLogToStdout = 1;
       }else if (strcmp(argv[i],"--languageResource") == 0) {
         i++;
         LanguageResource = (char *)sGC_malloc(strlen(argv[i])+80);
         sprintf(LanguageResource,
                             " /localizedString.file (%s) def localizedString.load ",argv[i]);
       }else if (strcmp(argv[i],"--asirInitFile") == 0) {
         i++;
         AsirInitFile = (char *)sGC_malloc(strlen(argv[i])+80);
         sprintf(AsirInitFile,"%s",argv[i]);
       }else if (strcmp(argv[i],"--quiet") == 0) {
         /* it is already set. Ignore. */
       }else if (strcmp(argv[i],"--prompt")==0) {
         i++;
         Prompt[View] = (char *)sGC_malloc(strlen(argv[i])+2);
         strcpy(Prompt[View],argv[i]);
       }else{
         /* printv("Unknown option\n"); */
       }
   }    }
   
   /* Initialize kanlib (gc is also initialized) */    openxm_home = (char *) getenv("OpenXM_HOME");
   KSstart();    asir_config = (char *) getenv("ASIR_CONFIG");
     if (openxm_home == NULL)  {
       printv("Error. The environmental variable OpenXM_HOME is not set.\nStart the texmacs with openxm texmacs or ox_texmacs by openxm ox_texmacs\nBye...");
       exit(10);
     }
   
   
   /* Main loop */    /* Main loop */
   printf("%s",DATA_BEGIN_V);    printf("%s",Data_begin_v[View]);
     if ((asir_config == NULL) && (View == V_TEXMACS)) {
       printf("Warning. The environmental variable ASIR_CONFIG is not set.\nStart the texmacs with openxm texmacs or ox_texmacs by openxm ox_texmacs.\nOtherwise, tex translation will not be performed\n");
   
     }
   
   printCopyright("");    printCopyright("");
   
   
   /* Load ox engine here */    /* Load ox engine here */
   /* engine id should be set to ox.engine */    /* engine id should be set to ox.engine */
   KSexecuteString(" [(parse) (ox.sm1) pushfile] extension ");    KSexecuteString(" [(parse) (ox.sm1) pushfile] extension ");
   if (Xm_noX) KSexecuteString(" /Xm_noX 1 def ");    if (Xm_noX) KSexecuteString(" /Xm_noX 1 def ");
     if (EngineLogToStdout) KSexecuteString(" /Xm_engineLogToStdout 1 def ");
     if (LanguageResource != NULL) KSexecuteString(LanguageResource);
   startEngine(TM_Engine," ");    startEngine(TM_Engine," ");
   
   if (signal(SIGINT,SIG_IGN) != SIG_IGN) {    if (mysignal(SIGINT,SIG_IGN) != SIG_IGN) {
     signal(SIGINT,ctrlC);      mysignal(SIGINT,ctrlC);
   }    }
   
   irt = 0;    irt = 0;
Line 150  main(int argc,char *argv[]) {
Line 294  main(int argc,char *argv[]) {
         RestrictedMode = RestrictedMode_saved;          RestrictedMode = RestrictedMode_saved;
       }        }
       Calling_ctrlC_hook = 0;        Calling_ctrlC_hook = 0;
       if (signal(SIGINT,SIG_IGN) != SIG_IGN) {        if (mysignal(SIGINT,SIG_IGN) != SIG_IGN) {
         signal(SIGINT,ctrlC);          mysignal(SIGINT,ctrlC);
       }        }
       irt = 1;        irt = 1;
       continue;        continue;
     } else {  }      } else {  }
     if (!irt) {      if (!irt) {
       printf("%s",DATA_END); fflush(stdout);        if (View != V_SAGE) printf("%s",Data_end[View]); fflush(stdout);
     }      }
     irt = 0;      irt = 0;
   
     /* Reading the input. */      /* Reading the input. */
       if ((View == V_SAGE) || (View == V_JUPYTER)) {
         if (s != NULL) {printf("%s",Prompt[View]); fflush(stdout);}
         else {printf("%s",&(Prompt[View][1])); fflush(stdout);}
       }else{
         printf("%s",Prompt[View]); fflush(stdout);
       }
     if (TM_Engine == K0) {      if (TM_Engine == K0) {
       s=readString(stdin, " ", " "); /* see test data */        s=readString(stdin, " ", " "); /* see test data */
     }else if (TM_Engine == SM1) {      }else if (TM_Engine == SM1) {
Line 171  main(int argc,char *argv[]) {
Line 321  main(int argc,char *argv[]) {
     }      }
   
     if (s == NULL) { irt = 1; continue; }      if (s == NULL) { irt = 1; continue; }
     if (!irt) printf("%s",DATA_BEGIN_V);      if (!irt) printf("%s",Data_begin_v[View]);
     /* Evaluate the input on the engine */      /* Evaluate the input on the engine */
       KSexecuteString(" ox.engine oxclearstack ");
     KSexecuteString(" ox.engine ");      KSexecuteString(" ox.engine ");
     ob = KpoString(s);      ob = KpoString(s);
     KSpush(ob);      KSpush(ob);
     KSexecuteString(" oxsubmit ");      KSexecuteString(" oxsubmit ");
   
           if (TM_Engine == SM1) flushSm1();
   
     /* Get the result in string. */      /* Get the result in string for cfep. */
     if (Format == 1 && (! TM_do_not_print)) {      if (View != V_TEXMACS) {
         KSexecuteString(" ox.engine oxgeterrors ");
         ob = KSpop();
         if (ob.tag == Sarray) {
           if (getoaSize(ob) > 0) {
             ob = getoa(ob,0);
             KSpush(ob);
             KSexecuteString(" translateErrorForCfep ");
             r = KSpopString();
             outputStringToTunnel(0,(unsigned char *)r,View);
           }
         }
         if (!TM_do_not_print) {
           if (Format == 2) { /* png mode */
             r = pngGetResult();
           }else{
             KSexecuteString(" ox.engine oxpopstring ");
             r = KSpopString();
           }
           printv(r);
         }else{
           KSexecuteString(" ox.engine 1 oxpops ");
           KSexecuteString(" ox.engine 0 oxpushcmo ox.engine oxpopcmo ");
           ob = KSpop();
           printv("");
         }
         continue;
       }
       /* Get the result in string for texmacs  */
       if ((Format == 1) && (! TM_do_not_print)) {
       /* translate to latex form */        /* translate to latex form */
       KSexecuteString(" ox.engine oxpushcmotag ox.engine oxpopcmo ");        KSexecuteString(" ox.engine oxpushcmotag ox.engine oxpopcmo ");
       ob = KSpop();        ob = KSpop();
Line 226  main(int argc,char *argv[]) {
Line 408  main(int argc,char *argv[]) {
         printv("");          printv("");
       }        }
     }      }
       /* note that there is continue above. */
   }    }
 }  }
   
   static char *pngGetResult(void) {
     struct object ob;
     int vmode;
     char *r;
     char *path;
   
     /* translate to latex form */
     KSexecuteString(" ox.engine oxpushcmotag ox.engine oxpopcmo ");
     ob = KSpop();
     vmode = 0;
     /* printf("id=%d\n",ob.tag); bug: matrix return 17 instead of Sinteger
        or error. */
     if (ob.tag == Sinteger) {
       /* printf("cmotag=%d\n",ob.lc.ival);*/
       if (ob.lc.ival == CMO_ERROR2) {
         vmode = 1;
       }
       if (ob.lc.ival == CMO_STRING) {
         vmode = 1;
       }
     }
     if (vmode) {
       KSexecuteString(" ox.engine oxpopstring ");
       r = KSpopString();
     }else{
       KSexecuteString(" ox.engine 1 oxpushcmo ox.engine (print_png_form2) oxexec  ");
       KSexecuteString(" ox.engine oxpopcmo /tmp_ox_texmacs set tmp_ox_texmacs 0 get ");
       r = KSpopString();  /* input form */
       KSexecuteString(" tmp_ox_texmacs 1 get ");
       path = KSpopString(); /* path name of the png file. */
       pngSendFile(path);
     }
     return r;
   }
   
 #define SB_SIZE 1024  #define SB_SIZE 1024
 #define INC_BUF     if (n >= limit-3) { \  #define INC_BUF     if (n >= limit-3) { \
       tmp = s; \        tmp = s; \
Line 241  main(int argc,char *argv[]) {
Line 459  main(int argc,char *argv[]) {
       strcpy(s,tmp); \        strcpy(s,tmp); \
     }      }
 /*   */  /*   */
   static char *Sss=NULL;
   static int Sss_size=10240;
   
 static char *readString(FILE *fp, char *prolog, char *epilog) {  static char *readString(FILE *fp, char *prolog, char *epilog) {
   int n = 0;    int n = 0;
   static int limit = 0;    static int limit = 0;
Line 267  static char *readString(FILE *fp, char *prolog, char *
Line 488  static char *readString(FILE *fp, char *prolog, char *
   start = n;    start = n;
   while ((c = fgetc(fp)) != EOF) {    while ((c = fgetc(fp)) != EOF) {
 #ifdef DEBUG2  #ifdef DEBUG2
     fprintf(Dfp,"[%x] ",c); fflush(Dfp);      fprintf(Dfp,"[%x]%c ",c,c); fflush(Dfp);
 #endif  #endif
     if (c == END_OF_INPUT) {      if (end_of_input(c)) {
       /* If there remains data in the stream,        /* If there remains data in the stream,
          read the remaining data. */           read the remaining data. (for debug) */
           /*        /*
       if (oxSocketSelect0(0,1)) {        if ((View == V_JUPYTER) || (View == V_SAGE)) {
         if (c == '\n') c=' ';          if (oxSocketSelect0(0,1)) {
   #ifdef DEBUG2
             fprintf(Dfp,"<%x>%c ",c,c); fflush(Dfp);
   #endif
             if (c == '\n') c=' ';
             s[n++] = c; s[n] = 0;  m++;
             INC_BUF ;
             continue;
           }
         }
         */
         if (View == V_JUPYTER) {
         s[n++] = c; s[n] = 0;  m++;          s[n++] = c; s[n] = 0;  m++;
         INC_BUF ;          INC_BUF ;
         continue;  
       }        }
       */  
       break;        break;
     }      }
     if ( c == '\v') c=' ';      if ( c == '\v') c=' ';
     s[n++] = c; s[n] = 0;  m++;      s[n++] = c; s[n] = 0;  m++;
     INC_BUF ;      INC_BUF ;
   }    }
     if ((c == EOF) && (start == n)) exit(0);
   /* Check the escape sequence */    /* Check the escape sequence */
   if (strcmp(&(s[start]),"!quit;") == 0) {    if (mystrncmp(&(s[start]),"!quit;") == 0) {
     printv("Terminated the process ox_texmacs.\n");      printv("Terminated the process ox_texmacs.\n");
     exit(0);      exit(0);
   }    }
     if (((View == V_JUPYTER) || (View == V_SAGE)) &&
         ((mystrncmp(&(s[start]),"quit")==0) || (mystrncmp(&(s[start]),"quit()")==0))) {
       printv("Terminated the process ox_texmacs.\n");
       exit(0);
     }
     if ((View == V_JUPYTER) &&
         (mystrncmp(&(s[start]),"version")==0)) {
       strcpy(&(s[start]),"version");
       s[n=strlen(s)]='('; s[++n]=0; INC_BUF;
       s[n++]=')'; s[n]=0; INC_BUF;
     }
   /* Check the escape sequence to change the global env. */    /* Check the escape sequence to change the global env. */
   if (strcmp(&(s[start]),"!verbatim;") == 0) {    if (strcmp(&(s[start]),"!verbatim;") == 0) {
     printv("Output mode is changed to verbatim mode.");      if (View != V_CFEP) printv("Output mode is changed to verbatim mode.");
     Format=0;      Format=0;
     return NULL;      return NULL;
   }    }
Line 302  static char *readString(FILE *fp, char *prolog, char *
Line 544  static char *readString(FILE *fp, char *prolog, char *
     Format = 1;      Format = 1;
     return NULL;      return NULL;
   }    }
     if (strcmp(&(s[start]),"!cfep_png;") == 0) {
           if (pngCheck()) {
             if (View != V_CFEP) printv("Output mode is changed to cfep_png/verbose.");
         Format = 2;
       } else pngNotAvailable();
       return NULL;
     }
   if (strcmp(&(s[start]),"!asir;") == 0) {    if (strcmp(&(s[start]),"!asir;") == 0) {
     Format=1;      Format=1;
     TM_Engine=ASIR; startEngine(TM_Engine,"Asir");      TM_Engine=ASIR; startEngine(TM_Engine,"Asir");
Line 318  static char *readString(FILE *fp, char *prolog, char *
Line 567  static char *readString(FILE *fp, char *prolog, char *
     return NULL;      return NULL;
   }    }
   if (strcmp(&(s[start]),"!reset;") == 0) {    if (strcmp(&(s[start]),"!reset;") == 0) {
         printf("%s",DATA_BEGIN_V);          printf("%s",Data_begin_v[View]);
     KSexecuteString(" ox.engine oxreset ox.engine oxpopcmo ");      KSexecuteString(" ox.engine oxreset ox.engine oxpopcmo ");
         ob = KSpop();          ob = KSpop();
         printf("%s",DATA_END); fflush(stdout);          printf("%s",Data_end[View]); fflush(stdout);
     return NULL;      return NULL;
   }    }
   
     /* remove end$ or end; */
     if (TM_Engine == ASIR) {
       for (i=n-1; i>=4; i--) {
             if ((s[i-4]=='\n') && (s[i-3]=='e') && (s[i-2]=='n') && (s[i-1]=='d') && (s[i]=='$')) {
           s[i-3] = s[i-2] = s[i-1] = s[i] = ' '; break;
         }
             if ((s[i-4]=='\n') && (s[i-3]=='e') && (s[i-2]=='n') && (s[i-1]=='d') && (s[i]==';')) {
           s[i-3] = s[i-2] = s[i-1] = s[i] = ' '; break;
         }
       }
   
       /* 2019.03.28 for jupyter */
       if ((View == V_JUPYTER) && (mystrncmp(&(s[start]),"base_prompt") != 0)
           &&(mystrncmp(&(s[start]),"version()") != 0)) {
         if (Sss == NULL) {
             Sss = (char *)sGC_malloc(Sss_size);
             Sss[0] = 0;
         }
         if (Sss_size < strlen(Sss)+strlen(s)+strlen(epilog)-10) {
           Sss_size = 2*Sss_size;
           if (Sss_size < 0) { fprintf(stderr,"Fatal error: too big string\n"); exit(-1); }
           char *sss_tmp = (char *)sGC_malloc(Sss_size);
           strcpy(sss_tmp,Sss);
           Sss=sss_tmp;
         }
         strcpy(&(Sss[strlen(Sss)]),&(s[start]));
         for (i=strlen(Sss); i>=0; i--) {
           if (Sss[i] < 0x20) continue;
           if ((Sss[i] == ';') && (Sss[i-1] == ';')) {
             /* construct s and return s */
             Sss[i] = ' ';
             s = (char *) sGC_malloc(strlen(Sss)+strlen(prolog)+strlen(epilog)+10);
             sprintf(s,"%s%s%s",prolog,Sss,epilog);
             Sss[0]=0;
   #ifdef DEBUG2
             fprintf(Dfp,"#By Sss: %s#\n",s); fflush(Dfp);
   #endif
             return s;
           }else break;
         }
         return NULL;
       }
     }else{
   #ifdef DEBUG2
       fprintf(Dfp,"#base_prompt or version()#\n",s); fflush(Dfp);
   #endif
     }
     /* end 2019.03.28 for jupyter. */
   
   /* Set TM_do_no_print */    /* Set TM_do_no_print */
   if (s[n-1] == '$' && TM_Engine == ASIR) {    if (s[n-1] == '$' && TM_Engine == ASIR) {
         TM_do_not_print = 1; s[n-1] = ' ';          TM_do_not_print = 1; s[n-1] = ' ';
Line 336  static char *readString(FILE *fp, char *prolog, char *
Line 634  static char *readString(FILE *fp, char *prolog, char *
     s[n++] = epilog[i];  s[n] = 0;      s[n++] = epilog[i];  s[n] = 0;
     INC_BUF ;      INC_BUF ;
   }    }
   #ifdef DEBUG2
     fprintf(Dfp,"#By normal readString:%s\n",s); hexout(Dfp,s); fprintf(Dfp,"\n"); fflush(Dfp);
   #endif
   return s;    return s;
 }  }
   
   static int end_of_input(int c) {
     if (c == End_of_input[View]) return 1;
     else return 0;
   }
   
   static void setDefaultParameterForCfep() {
     Format = 0;
   }
   static void setDefaultParameterForSage() {
     Format = 0;
   }
   static void setDefaultParameterForJupyter() {
     Format = 0;
   }
   
 static void printv(char *s) {  static void printv(char *s) {
   int i;    int i;
   printf("%s",DATA_BEGIN_V);    printf("%s",Data_begin_v[View]);
   printf("%s",s);    printf("%s",s);
   printf("%s",DATA_END);    printf("%s",Data_end[View]);
 #ifdef DEBUG2  #ifdef DEBUG2
   fprintf(Dfp,"<%s>",s); fflush(Dfp);    fprintf(Dfp,"printv:<%s>",s); fflush(Dfp);
 #endif  #endif
   fflush(NULL);    fflush(NULL);
 }  }
 static void printl(char *s) {  static void printl(char *s) {
   printf("%s",DATA_BEGIN_L);    printf("%s",Data_begin_l[View]);
   printf(" $ %s $ ",s);    printf(" $ %s $ ",s);
   printf("%s",DATA_END);    printf("%s",Data_end[View]);
   fflush(NULL);    fflush(NULL);
 }  }
 static int isPS(char *s) {  static int isPS(char *s) {
Line 364  static int isPS(char *s) {
Line 680  static int isPS(char *s) {
   return 1;    return 1;
 }  }
 static void printps(char *s) {  static void printps(char *s) {
   printf("%s",DATA_BEGIN_PS);    printf("%s",Data_begin_ps[View]);
   printf("%s",s);    printf("%s",s);
   printf("%s",DATA_END);    printf("%s",Data_end[View]);
   fflush(NULL);    fflush(NULL);
 }  }
 static void printp(char *s) {  static void printp(char *s) {
   printf("%s",DATA_BEGIN_P);    printf("%s",Data_begin_p[View]);
   printf("%s",DATA_END);    printf("%s",Data_end[View]);
   printf("%s] ",s);    printf("%s] ",s);
   fflush(NULL);    fflush(NULL);
 }  }
 static void printCopyright(char *s) {  static void printCopyright(char *s) {
   printf("%s",DATA_BEGIN_V);  
   if (! NoCopyright) {    if (! NoCopyright) {
     printf("OpenXM engine (ox engine) interface for TeXmacs\n2004 (C) openxm.org");      printf("%s",Data_begin_v[View]);
     printf(" under the BSD license.  !asir; !sm1; !k0; !verbatim;\n");      printf("OpenXM engine (ox engine) interface with TeXmacs protocol.\n2004 (C) openxm.org");
       printf(" under the BSD license.  !asir; !sm1; !k0; !verbatim; !quit;\n");
     printf("Type in      !reset;     when the engine gets confused. ");      printf("Type in      !reset;     when the engine gets confused. ");
     printf("%s",s);      printf("%s",s);
       printf("%s",Data_end[View]);
   }    }
   printf("%s",DATA_END);  
   fflush(NULL);    fflush(NULL);
 }  }
   
   static void flushSm1() {
     KSexecuteString(" oxsm1.ccc ( [(flush)] extension pop ) oxsubmit ");
   }
 static int startEngine(int type,char *msg) {  static int startEngine(int type,char *msg) {
   struct object ob = OINIT;    struct object ob = OINIT;
   printf("%s",DATA_BEGIN_V);    if (!TM_quiet) printf("%s",Data_begin_v[View]);
   if (type == SM1) {    if (type == SM1) {
     if (!TM_sm1Started) KSexecuteString(" sm1connectr ");      if (!TM_sm1Started) KSexecuteString(" sm1connectr ");
     KSexecuteString(" /ox.engine oxsm1.ccc def ");      KSexecuteString(" /ox.engine oxsm1.ccc def ");
Line 397  static int startEngine(int type,char *msg) {
Line 716  static int startEngine(int type,char *msg) {
     KSexecuteString("  oxsm1.ccc ( [(cmoLispLike) 0] extension ) oxsubmit ");      KSexecuteString("  oxsm1.ccc ( [(cmoLispLike) 0] extension ) oxsubmit ");
     KSexecuteString("  oxsm1.ccc ( ox_server_mode ) oxsubmit ");      KSexecuteString("  oxsm1.ccc ( ox_server_mode ) oxsubmit ");
     KSexecuteString("  oxsm1.ccc ( ( ) message (------------- Message from sm1 ----------------)message ) oxsubmit ");      KSexecuteString("  oxsm1.ccc ( ( ) message (------------- Message from sm1 ----------------)message ) oxsubmit ");
           flushSm1();
     TM_sm1Started = 1;      TM_sm1Started = 1;
         /* Welcome message.  BUG. Copyright should be returned by a function. */          /* Welcome message.  BUG. Copyright should be returned by a function. */
     if (! NoCopyright) {      if (! NoCopyright) {
Line 406  static int startEngine(int type,char *msg) {
Line 726  static int startEngine(int type,char *msg) {
       printf("Info: http://www.math.kobe-u.ac.jp/KAN, kan@math.kobe-u.ac.jp.\n");        printf("Info: http://www.math.kobe-u.ac.jp/KAN, kan@math.kobe-u.ac.jp.\n");
       printf("0 usages to show a list of functions. \n(keyword) usages to see a short description\n");        printf("0 usages to show a list of functions. \n(keyword) usages to see a short description\n");
     }      }
     printf("%s\n",msg);      printf("%s\n",msg); fflush(NULL);
   }else if (type == K0) {    }else if (type == K0) {
     if (!TM_k0Started) KSexecuteString(" k0connectr ");      if (!TM_k0Started) KSexecuteString(" k0connectr ");
     KSexecuteString(" /ox.engine oxk0.ccc def ");      KSexecuteString(" /ox.engine oxk0.ccc def ");
Line 417  static int startEngine(int type,char *msg) {
Line 737  static int startEngine(int type,char *msg) {
     KSexecuteString(" /ox.engine oxasir.ccc def ");      KSexecuteString(" /ox.engine oxasir.ccc def ");
     TM_asirStarted = 1;      TM_asirStarted = 1;
     printf("%s\n",msg);      printf("%s\n",msg);
     if ( ! NoCopyright) {      if ((!NoCopyright) && ((char *)getenv("ASIR_CONFIG") != NULL)) {
       KSexecuteString(" oxasir.ccc (copyright()+asir_contrib_copyright();) oxsubmit oxasir.ccc oxpopstring ");        KSexecuteString(" oxasir.ccc (copyright()+asir_contrib_copyright();) oxsubmit oxasir.ccc oxpopstring ");
       ob = KSpop();        ob = KSpop();
       if (ob.tag == Sdollar) {        if (ob.tag == Sdollar) {
         printf("%s",ob.lc.str);          printf("%s",ob.lc.str);
       }        }
       }else if ((!NoCopyright) && ((char *)getenv("ASIR_CONFIG") == NULL)) {
         KSexecuteString(" oxasir.ccc (copyright();) oxsubmit oxasir.ccc oxpopstring ");
         ob = KSpop();
         if (ob.tag == Sdollar) {
           printf("%s",ob.lc.str);
         }
     }      }
     /* Initialize the setting of asir. */      /* Initialize the setting of asir. */
     KSexecuteString(" oxasir.ccc (if(1) {  Xm_server_mode = 1; Xm_helpdir = \"help-eg\";  } else { ; } ;) oxsubmit oxasir.ccc oxpopcmo ");      if (AsirInitFile) {  /* cf. asir-contrib/packages/src/cfep-init.rr */
             unsigned char *ss;
             ss = (unsigned char *)sGC_malloc(strlen(AsirInitFile)+256);
             sprintf((char *)ss," oxasir.ccc (load(\"%s\");) oxsubmit oxasir.ccc oxgeterrors length 0 gt { (Error in loading asirInitFile) message} { } ifelse ",AsirInitFile);
             /* printf("Loading --asirInitFile %s\n",AsirInitFile); */
             KSexecuteString(ss);
       }
       KSexecuteString(" oxasir.ccc (if(1) {  Xm_server_mode = 1; Xm_helpdir = \"help-en\";  } else { ; } ;) oxsubmit oxasir.ccc oxpopcmo ");
     KSexecuteString(" oxasir.ccc (if(1) {  ctrl(\"message\",0);  } else { ; } ;) oxsubmit oxasir.ccc oxpopcmo ");      KSexecuteString(" oxasir.ccc (if(1) {  ctrl(\"message\",0);  } else { ; } ;) oxsubmit oxasir.ccc oxpopcmo ");
     /* bug; if ctrl is written with Xm_helpdir = ... without oxpopcmo, then it does      /* bug; if ctrl is written with Xm_helpdir = ... without oxpopcmo, then it does
        not work. */         not work. */
     KSexecuteString(" oxasir.ccc (print(\"----------- Messages from asir ------------------------------\")$ ) oxsubmit oxasir.ccc oxpopcmo ");      KSexecuteString(" oxasir.ccc (print(\"----------- Messages from asir ------------------------------\")$ ) oxsubmit oxasir.ccc oxpopcmo ");
   }    }
   printf("%s",DATA_END);    if (!TM_quiet) printf("%s",Data_end[View]);
   fflush(NULL);    fflush(NULL);
 }  }
   
Line 449  static int startEngine(int type,char *msg) {
Line 782  static int startEngine(int type,char *msg) {
   
 */  */
   
   static void myEncoder(int c) {
     putchar(0xf8 | (0x3 & (c >> 6)));
     putchar(0xf0 | (0x7 & (c >> 3)));
     putchar(0xf0 | (0x7 & c));
   }
   static void myEncoderS(unsigned char *s) {
     int i,n;
     n = strlen((char *)s);
     for (i = 0; i<n ; i++) myEncoder(s[i]);
   }
   static void myEncoderSn(unsigned char *s,int n) {
     int i;
     for (i = 0; i<n ; i++) myEncoder(s[i]);
   }
   static void outputStringToTunnel0(int channel, unsigned char *s, int n,int view) {
     unsigned char ts[128];
     int i;
     if (view == GENERIC) {
       printf("{%d<%d ",channel,n+1);
       for (i=0; i<n; i++) putchar(s[i]);
       printf("%c>}",0);
     }else if (view == V_CFEP) {
       sprintf((char *)ts,"{%d<%d ",channel,n+1);
       myEncoderS(ts);
       myEncoderSn(s,n); myEncoder(0);
       myEncoderS((unsigned char *)">}");
     }
     fflush(stdout);
   }
   #define LINE_FEED 0xc   /* ^L */
   static void outputStringToTunnel(int channel, unsigned char *s, int view) {
     int start, i;
     start = i = 0;
     while (s[i] != 0) {
           if (s[i] == LINE_FEED) {
             outputStringToTunnel0(channel,&(s[start]),i-start,view);
             start = i+1;
           }
           i++;
     }
   }
   
   
   static void pngSendFile(char *path) {
     char s[1024];
     if (strlen(path) > 1000) return;
     sprintf(s,"showFile,%s",path);
     outputStringToTunnel0(10,(unsigned char *)s,strlen(s),View);
     printf("\n");
     fflush(NULL);
   }
   static int pngCheck(void) {
     static int checked = 0;
     static int ans = 0;
     if (checked) return ans;
     checked = 1;
     if (!getCommandPath("latex")) return 0;
     if (!getCommandPath("dvipng")) return 0;
     ans = 1;  return 1;
   }
   static void pngNotAvailable(void) {
     char *s = "notAvailable";
     outputStringToTunnel0(10,(unsigned char *)s,strlen(s),View);
     fflush(NULL);
   }
   
   /* Check if a is a substring of s */
   static int is_substr_of(char a[],char s[]) {
     int n,m,i,j;
     n = strlen(s);
     m = strlen(a);
     for (i=0; i<n-m; i++) {
           for (j=0; j<m; j++) {
             if (s[i+j] != a[j]) break;
             if (j == m-1) return 1;
           }
     }
     return 0;
   }
   
   static void hexout(FILE *fp,char s[]) {
     int i;
     for (i=0; i<strlen(s); i++) fprintf(fp,"%2x ",(unsigned char)s[i]);
   }
   static int mystrncmp(char a[],char s[]) {
     int r;
     r=strncmp(a,s,strlen(s));
   #ifdef DEBUG2
     fprintf(Dfp,"mystrncmp(%s,%s)=%d\n",a,s,r); fflush(Dfp);
   #endif
     return r;
   }
   
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