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Annotation of OpenXM/src/kxx/ox_texmacs.c, Revision 1.9

1.9     ! takayama    1: /* $OpenXM: OpenXM/src/kxx/ox_texmacs.c,v 1.8 2004/03/02 09:30:48 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 " */
                     28: #define DATA_END      "</S>"    /* "\005" */
                     29: #else
                     30: #define DATA_BEGIN_V  "\002verbatim:"
                     31: #define DATA_BEGIN_L  "\002latex:"
                     32: #define DATA_BEGIN_P  "\002prompt:"
                     33: #define DATA_END      "\005"
                     34: #endif
                     35:
                     36: /*
                     37: #define END_OF_INPUT  '#'
                     38: */
                     39: #define END_OF_INPUT '\n'
1.1       takayama   40:
1.5       takayama   41: /* Table for the engine type. */
                     42: #define ASIR          1
                     43: #define SM1           2
                     44: #define K0            3
                     45:
1.1       takayama   46: extern int Quiet;
                     47: extern JMP_BUF EnvOfStackMachine;
1.3       takayama   48: int Format=1;  /* 1 : latex mode */
                     49: int OutputLimit_for_TeXmacs = (1024*10);
1.1       takayama   50:
1.5       takayama   51: int TM_Engine  = ASIR ;
                     52: int TM_asirStarted = 0;
                     53: int TM_sm1Started  = 0;
                     54: int TM_k0Started  = 0;
1.7       takayama   55: int TM_do_not_print = 0;
1.5       takayama   56:
1.1       takayama   57: void ctrlC();
                     58: struct object KpoString(char *s);
                     59: char *KSpopString(void);
                     60:
1.2       takayama   61: static char *readString(FILE *fp,char *prolog, char *eplog);
1.1       takayama   62: static void printv(char *s);
                     63: static void printl(char *s);
                     64: static void printp(char *s);
1.2       takayama   65: static void printCopyright(char *s);
1.5       takayama   66: static int startEngine(int type,char *msg);
1.2       takayama   67:
                     68: /* tail -f /tmp/debug-texmacs.txt
                     69:    Debug output to understand the timing problem of pipe interface.
                     70: */
1.3       takayama   71: FILE *Dfp;
1.1       takayama   72:
                     73: main() {
                     74:   char *s;
                     75:   char *r;
                     76:   char *sys;
                     77:   struct object ob;
1.3       takayama   78:   int irt=0;
1.4       takayama   79:   int vmode=1;
1.7       takayama   80:   char *openxm_home;
                     81:   char *asir_config;
1.1       takayama   82:
1.7       takayama   83:   openxm_home = (char *) getenv("OpenXM_HOME");
                     84:   asir_config = (char *) getenv("ASIR_CONFIG");
                     85:   if (openxm_home == NULL || asir_config == NULL) {
1.8       takayama   86:     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...");
                     87:     exit(10);
1.7       takayama   88:   }
                     89:
                     90:
1.3       takayama   91: #ifdef DEBUG2
                     92:   Dfp = fopen("/tmp/debug-texmacs.txt","w");
                     93: #endif
1.2       takayama   94:
1.1       takayama   95:   /* Set consts */
                     96:   sys = "asir> ";
                     97:   Quiet = 1;
                     98:
                     99:   /* Initialize kanlib (gc is also initialized) */
                    100:   KSstart();
                    101:
1.3       takayama  102:   /* Main loop */
                    103:   printf("%s",DATA_BEGIN_V);
                    104:   printCopyright("");
                    105:
1.1       takayama  106:   /* Load ox engine here */
                    107:   /* engine id should be set to ox.engine */
                    108:   KSexecuteString(" [(parse) (ox.sm1) pushfile] extension ");
1.5       takayama  109:   startEngine(TM_Engine," ");
1.1       takayama  110:
                    111:   if (signal(SIGINT,SIG_IGN) != SIG_IGN) {
1.8       takayama  112:     signal(SIGINT,ctrlC);
1.1       takayama  113:   }
1.3       takayama  114:
                    115:   irt = 0;
1.1       takayama  116:   while(1) {
1.8       takayama  117:     /* printp(sys);  no prompt */
                    118:     if (SETJMP(EnvOfStackMachine)) {
                    119:       KSexecuteString(" ctrlC-hook "); /* Execute User Defined functions. */
                    120:       if (signal(SIGINT,SIG_IGN) != SIG_IGN) {
                    121:         signal(SIGINT,ctrlC);
                    122:       }
                    123:       irt = 1;
                    124:       continue;
                    125:     } else {  }
                    126:     if (!irt) {
                    127:       printf("%s",DATA_END); fflush(stdout);
                    128:     }
                    129:     irt = 0;
1.7       takayama  130:
                    131:     /* Reading the input. */
1.8       takayama  132:     if (TM_Engine == K0) {
                    133:       s=readString(stdin, " ", " "); /* see test data */
                    134:     }else if (TM_Engine == SM1) {
                    135:       s=readString(stdin, " ", " "); /* see test data */
                    136:     }else{
                    137:       s=readString(stdin, "if (1) { ", " ; }else{ }"); /* see test data */
                    138:     }
1.5       takayama  139:
1.8       takayama  140:     if (s == NULL) { irt = 1; continue; }
                    141:     if (!irt) printf("%s",DATA_BEGIN_V);
1.7       takayama  142:     /* Evaluate the input on the engine */
1.1       takayama  143:     KSexecuteString(" ox.engine ");
1.7       takayama  144:     ob = KpoString(s);
1.8       takayama  145:     KSpush(ob);
                    146:     KSexecuteString(" oxsubmit ");
                    147:
1.1       takayama  148:     /* Get the result in string. */
1.8       takayama  149:     if (Format == 1 && (! TM_do_not_print)) {
                    150:       /* translate to latex form */
                    151:       KSexecuteString(" ox.engine oxpushcmotag ox.engine oxpopcmo ");
                    152:       ob = KSpop();
                    153:       vmode = 0;
                    154:       /* printf("id=%d\n",ob.tag); bug: matrix return 17 instead of Sinteger
                    155:        or error. */
                    156:       if (ob.tag == Sinteger) {
                    157:         /* printf("cmotag=%d\n",ob.lc.ival);*/
                    158:         if (ob.lc.ival == CMO_ERROR2) {
                    159:           vmode = 1;
                    160:         }
                    161:         if (ob.lc.ival == CMO_STRING) {
                    162:           vmode = 1;
                    163:         }
                    164:       }
                    165:       if (vmode) {
                    166:         KSexecuteString(" ox.engine oxpopstring ");
                    167:         r = KSpopString();
                    168:       }else{
                    169:         KSexecuteString(" ox.engine 1 oxpushcmo ox.engine (print_tex_form) oxexec  ");
                    170:         KSexecuteString(" ox.engine oxpopstring ");
                    171:         r = KSpopString();
                    172:       }
                    173:       if (strlen(r) < OutputLimit_for_TeXmacs) {
                    174:         if (vmode) printv(r); else printl(r);
                    175:       } else printv("Output is too large.\n");
                    176:     }else{
                    177:       if (!TM_do_not_print) {
                    178:         KSexecuteString(" ox.engine oxpopstring ");
                    179:         r = KSpopString();
                    180:         if (strlen(r) < OutputLimit_for_TeXmacs) printv(r);
                    181:         else printv("Output is too large.\n");
                    182:       }else{
                    183:         KSexecuteString(" ox.engine 1 oxpops "); /* Discard the result. */
                    184:         printv("");
                    185:       }
                    186:     }
1.1       takayama  187:   }
                    188: }
                    189:
                    190: #define SB_SIZE 1024
1.8       takayama  191: #define INC_BUF     if (n >= limit-3) { \
                    192:       tmp = s; \
                    193:       limit *= 2;  \
                    194:       s = (char *) sGC_malloc(limit); \
                    195:       if (s == NULL) { \
                    196:         fprintf(stderr,"No more memory.\n"); \
                    197:         exit(10); \
                    198:       } \
                    199:       strcpy(s,tmp); \
                    200:     }
1.2       takayama  201: /*   */
                    202: static char *readString(FILE *fp, char *prolog, char *epilog) {
1.1       takayama  203:   int n = 0;
                    204:   static int limit = 0;
                    205:   static char *s;
                    206:   int c;
                    207:   char *tmp;
1.2       takayama  208:   int i;
1.3       takayama  209:   int m;
                    210:   int start;
1.1       takayama  211:   if (limit == 0) {
1.8       takayama  212:     limit = 1024;
                    213:     s = (char *)sGC_malloc(limit);
                    214:     if (s == NULL) {
                    215:       fprintf(stderr,"No more memory.\n");
                    216:       exit(10);
                    217:     }
1.1       takayama  218:   }
1.2       takayama  219:   s[0] = 0; n = 0; m = 0;
                    220:   for (i=0; i < strlen(prolog); i++) {
1.8       takayama  221:     s[n++] = prolog[i];  s[n] = 0;
1.2       takayama  222:     INC_BUF ;
                    223:   }
1.3       takayama  224:   start = n;
1.1       takayama  225:   while ((c = fgetc(fp)) != EOF) {
1.3       takayama  226: #ifdef DEBUG2
1.8       takayama  227:     fprintf(Dfp,"[%x] ",c); fflush(Dfp);
1.3       takayama  228: #endif
1.8       takayama  229:     if (c == END_OF_INPUT) {
                    230:       if (oxSocketSelect0(0,1)) {
                    231:         /* If there remains data in the stream,
                    232:            read the remaining data. */
                    233:         if (c == '\n') c=' ';
                    234:         s[n++] = c; s[n] = 0;  m++;
                    235:         INC_BUF ;
                    236:         continue;
                    237:       }
                    238:       break;
                    239:     }
                    240:     if (c == '\n') c=' ';
                    241:     s[n++] = c; s[n] = 0;  m++;
1.2       takayama  242:     INC_BUF ;
                    243:   }
1.7       takayama  244:   if (s[n-1] == '$' && TM_Engine == ASIR) TM_do_not_print = 1;
                    245:   else TM_do_not_print = 0;
1.5       takayama  246:   /* Check the escape sequence */
                    247:   if (strcmp(&(s[start]),"!quit;") == 0) {
1.8       takayama  248:     printv("Terminated the process ox_texmacs.\n");
                    249:     exit(0);
1.3       takayama  250:   }
1.5       takayama  251:   /* Check the escape sequence to change the globa env. */
                    252:   if (strcmp(&(s[start]),"!verbatim;") == 0) {
1.8       takayama  253:     printv("Output mode is changed to verbatim mode.");
                    254:     Format=0;
                    255:     return NULL;
1.5       takayama  256:   }
                    257:   if (strcmp(&(s[start]),"!latex;") == 0) {
1.8       takayama  258:     printv("Output mode is changed to latex/verbose.");
                    259:     Format = 1;
                    260:     return NULL;
1.5       takayama  261:   }
                    262:   if (strcmp(&(s[start]),"!asir;") == 0) {
1.8       takayama  263:     Format=1;
                    264:     TM_Engine=ASIR; startEngine(TM_Engine,"Asir");
                    265:     return NULL;
1.5       takayama  266:   }
                    267:   if (strcmp(&(s[start]),"!sm1;") == 0) {
1.8       takayama  268:     Format=0;
                    269:     TM_Engine=SM1; startEngine(TM_Engine,"sm1");
                    270:     return NULL;
1.5       takayama  271:   }
                    272:   if (strcmp(&(s[start]),"!k0;") == 0) {
1.8       takayama  273:     Format=0;
                    274:     TM_Engine=K0; startEngine(TM_Engine,"k0");
                    275:     return NULL;
1.5       takayama  276:   }
                    277:
1.2       takayama  278:   for (i=0; i < strlen(epilog); i++) {
1.8       takayama  279:     s[n++] = epilog[i];  s[n] = 0;
1.2       takayama  280:     INC_BUF ;
1.1       takayama  281:   }
                    282:   return s;
                    283: }
                    284:
                    285: static void printv(char *s) {
                    286:   int i;
                    287:   printf("%s",DATA_BEGIN_V);
                    288:   printf("%s",s);
                    289:   printf("%s",DATA_END);
1.3       takayama  290: #ifdef DEBUG2
                    291:   fprintf(Dfp,"<%s>",s); fflush(Dfp);
                    292: #endif
1.1       takayama  293:   fflush(NULL);
                    294: }
                    295: static void printl(char *s) {
                    296:   printf("%s",DATA_BEGIN_L);
1.4       takayama  297:   printf(" $ %s $ ",s);
1.1       takayama  298:   printf("%s",DATA_END);
                    299:   fflush(NULL);
                    300: }
                    301: static void printp(char *s) {
                    302:   printf("%s",DATA_BEGIN_P);
1.2       takayama  303:   printf("%s",DATA_END);
                    304:   printf("%s] ",s);
                    305:   fflush(NULL);
                    306: }
                    307: static void printCopyright(char *s) {
1.3       takayama  308:   printf("%s",DATA_BEGIN_V);
1.5       takayama  309:   printf("OpenXM engine (ox engine) interface for TeXmacs\n2004 (C) openxm.org");
1.7       takayama  310:   printf(" under the BSD licence.  !asir; !sm1; !k0; !verbatim;");
1.1       takayama  311:   printf("%s",s);
1.5       takayama  312:   printf("%s",DATA_END);
                    313:   fflush(NULL);
                    314: }
                    315:
                    316: static int startEngine(int type,char *msg) {
                    317:   struct object ob;
                    318:   printf("%s",DATA_BEGIN_V);
                    319:   if (type == SM1) {
                    320:     if (!TM_sm1Started) KSexecuteString(" sm1connectr ");
1.8       takayama  321:     KSexecuteString(" /ox.engine oxsm1.ccc def ");
                    322:     TM_sm1Started = 1;
                    323:     printf("%s\n",msg);
1.5       takayama  324:   }else if (type == K0) {
                    325:     if (!TM_k0Started) KSexecuteString(" k0connectr ");
1.8       takayama  326:     KSexecuteString(" /ox.engine oxk0.ccc def ");
                    327:     TM_k0Started = 1;
                    328:     printf("%s\n",msg);
1.5       takayama  329:   }else{
                    330:     if (!TM_asirStarted) KSexecuteString(" asirconnectr ");
1.8       takayama  331:     KSexecuteString(" /ox.engine oxasir.ccc def ");
                    332:     TM_asirStarted = 1;
                    333:     printf("%s\n",msg);
                    334:     KSexecuteString(" oxasir.ccc (copyright()+asir_contrib_copyright();) oxsubmit oxasir.ccc oxpopstring ");
                    335:     ob = KSpop();
                    336:     if (ob.tag == Sdollar) {
                    337:       printf("%s",ob.lc.str);
                    338:     }
1.7       takayama  339:     /* Initialize the setting of asir. */
                    340:     KSexecuteString(" oxasir.ccc (if(1) {  Xm_server_mode = 1; Xm_helpdir = \"help-eg\";  } else { ; } ;) oxsubmit oxasir.ccc oxpopcmo ");
                    341:     KSexecuteString(" oxasir.ccc (if(1) {  ctrl(\"message\",0);  } else { ; } ;) oxsubmit oxasir.ccc oxpopcmo ");
                    342:     /* bug; if ctrl is written with Xm_helpdir = ... without oxpopcmo, then it does
                    343:        not work. */
1.9     ! takayama  344:     KSexecuteString(" oxasir.ccc (print(\"----------- Messages from asir ------------------------------\")$ ) oxsubmit oxasir.ccc oxpopcmo ");
1.5       takayama  345:   }
1.1       takayama  346:   printf("%s",DATA_END);
                    347:   fflush(NULL);
                    348: }
1.2       takayama  349:
                    350: /* test data
                    351:
                    352: 1.  print("hello"); print("afo");
                    353:
                    354:     1+2;
                    355:
                    356: 2. def foo(N) { for (I=0; I<10; I++) {   --> error
                    357:
                    358:    3+5;
                    359:
                    360: 4.  print("hello"); shift+return print("afo");
                    361:
                    362: */
                    363:
                    364:
                    365:

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