===================================================================
RCS file: /home/cvs/OpenXM/src/kxx/ox_texmacs.c,v
retrieving revision 1.4
retrieving revision 1.12
diff -u -p -r1.4 -r1.12
--- OpenXM/src/kxx/ox_texmacs.c	2004/03/01 07:55:38	1.4
+++ OpenXM/src/kxx/ox_texmacs.c	2004/03/03 12:27:31	1.12
@@ -1,4 +1,4 @@
-/* $OpenXM: OpenXM/src/kxx/ox_texmacs.c,v 1.3 2004/02/29 13:02:44 takayama Exp $ */
+/* $OpenXM: OpenXM/src/kxx/ox_texmacs.c,v 1.11 2004/03/03 09:44:39 takayama Exp $ */
 
 #include <stdio.h>
 #include <setjmp.h>
@@ -19,7 +19,7 @@
 /*
 #define DEBUG 
 */
-#define DEBUG2
+/* #define DEBUG2 */
 
 #ifdef DEBUG
 #define DATA_BEGIN_V  "<S type=verbatim>"     /* "\002verbatim:" */
@@ -38,11 +38,22 @@
 */
 #define END_OF_INPUT '\n'
 
+/* Table for the engine type. */
+#define ASIR          1
+#define SM1           2
+#define K0            3
+
 extern int Quiet;
 extern JMP_BUF EnvOfStackMachine;
 int Format=1;  /* 1 : latex mode */
 int OutputLimit_for_TeXmacs = (1024*10);
 
+int TM_Engine  = ASIR ;
+int TM_asirStarted = 0;
+int TM_sm1Started  = 0;
+int TM_k0Started  = 0;
+int TM_do_not_print = 0;
+
 void ctrlC();
 struct object KpoString(char *s);
 char *KSpopString(void);
@@ -52,27 +63,49 @@ static void printv(char *s);
 static void printl(char *s);
 static void printp(char *s);
 static void printCopyright(char *s);
+static int startEngine(int type,char *msg);
 
 /* tail -f /tmp/debug-texmacs.txt 
    Debug output to understand the timing problem of pipe interface.
 */
 FILE *Dfp;
 
-main() {
+main(int argc,char *argv[]) {
   char *s;
   char *r;
   char *sys;
   struct object ob;
   int irt=0;
   int vmode=1;
+  char *openxm_home;
+  char *asir_config;
+  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
   Dfp = fopen("/tmp/debug-texmacs.txt","w");
 #endif
   
   /* Set consts */
-  sys = "asir> ";
   Quiet = 1;
+  for (i=1; i<argc; i++) {
+	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{
+	  /* printv("Unknown option\n"); */
+	}
+  }
 
   /* Initialize kanlib (gc is also initialized) */
   KSstart();
@@ -84,81 +117,101 @@ main() {
   /* Load ox engine here */
   /* engine id should be set to ox.engine */
   KSexecuteString(" [(parse) (ox.sm1) pushfile] extension ");
-  KSexecuteString(" asirconnectr /ox.engine oxasir.ccc def ");
+  startEngine(TM_Engine," ");
 
   if (signal(SIGINT,SIG_IGN) != SIG_IGN) {
-	signal(SIGINT,ctrlC);
+    signal(SIGINT,ctrlC);
   }
 
   irt = 0;
   while(1) {
-	/* printp(sys);  no prompt */
-	if (SETJMP(EnvOfStackMachine)) {
-	  printv("Syntax error or an interruption\n");
-	  KSexecuteString(" ctrlC-hook "); /* Execute User Defined functions. */
-	  if (signal(SIGINT,SIG_IGN) != SIG_IGN) {
-		signal(SIGINT,ctrlC);
-	  }
-	  irt = 1;
-	  continue;
-	} else {  }
-	if (!irt) {
-	  printf("%s",DATA_END); fflush(stdout);
-	}
-	irt = 0;
-	s=readString(stdin, "if (1) { ", " ; }else{ }"); /* see test data */
-	if (s == NULL) break;
-	printf("%s",DATA_BEGIN_V);
+    /* printp(sys);  no prompt */
+    if (SETJMP(EnvOfStackMachine)) {
+      KSexecuteString(" ctrlC-hook "); /* Execute User Defined functions. */
+      if (signal(SIGINT,SIG_IGN) != SIG_IGN) {
+        signal(SIGINT,ctrlC);
+      }
+      irt = 1;
+      continue;
+    } else {  }
+    if (!irt) {
+      printf("%s",DATA_END); fflush(stdout);
+    }
+    irt = 0;
+
+    /* Reading the input. */
+    if (TM_Engine == K0) {
+      s=readString(stdin, " ", " "); /* see test data */
+    }else if (TM_Engine == SM1) {
+      s=readString(stdin, " ", " "); /* see test data */
+    }else{
+      s=readString(stdin, "if (1) { ", " ; }else{ }"); /* see test data */
+    }
+
+    if (s == NULL) { irt = 1; continue; }
+    if (!irt) printf("%s",DATA_BEGIN_V);
+    /* Evaluate the input on the engine */
     KSexecuteString(" ox.engine ");
-    ob = KpoString(s);
-	KSpush(ob);
-	KSexecuteString(" oxsubmit ");
-	
+    ob = KpoString(s);  
+    KSpush(ob);
+    KSexecuteString(" oxsubmit ");
+    
     /* Get the result in string. */
-	if (Format == 1) {
-	  /* 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 (vmode) {
-		KSexecuteString(" ox.engine oxpopstring ");
-		r = KSpopString();
-	  }else{
-		KSexecuteString(" ox.engine 1 oxpushcmo ox.engine (print_tex_form) oxexec  ");
-		KSexecuteString(" ox.engine oxpopstring ");
-		r = KSpopString();
-	  }
-	  if (strlen(r) < OutputLimit_for_TeXmacs) {
-		if (vmode) printv(r); else printl(r);
-	  } else printv("Output is too large.\n");
-	}else{
-	  KSexecuteString(" ox.engine oxpopstring ");
-	  r = KSpopString();
-	  if (strlen(r) < OutputLimit_for_TeXmacs) printv(r);
-	  else printv("Output is too large.\n");
-	}
+    if (Format == 1 && (! TM_do_not_print)) {
+      /* 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_tex_form) oxexec  ");
+        KSexecuteString(" ox.engine oxpopstring ");
+        r = KSpopString();
+      }
+      if (strlen(r) < OutputLimit_for_TeXmacs) {
+        if (vmode) printv(r); else printl(r);
+      } else printv("Output is too large.\n");
+    }else{
+      if (!TM_do_not_print) {
+        KSexecuteString(" ox.engine oxpopstring ");
+        r = KSpopString();
+        if (strlen(r) < OutputLimit_for_TeXmacs) printv(r);
+        else printv("Output is too large.\n");
+      }else{
+        KSexecuteString(" ox.engine 1 oxpops "); /* Discard the result. */
+        /* Push and pop dummy data to wait until the computation finishes. */
+        KSexecuteString(" ox.engine 0 oxpushcmo ox.engine oxpopcmo ");
+        ob = KSpop();
+        printv("");
+      }
+    }
   }
 }
 
 #define SB_SIZE 1024
-#define INC_BUF 	if (n >= limit-3) { \
-	  tmp = s; \
-	  limit *= 2;  \
-	  s = (char *) sGC_malloc(limit); \
-	  if (s == NULL) { \
-		fprintf(stderr,"No more memory.\n"); \
-		exit(10); \
-	  } \
-	  strcpy(s,tmp); \
-	} 
+#define INC_BUF     if (n >= limit-3) { \
+      tmp = s; \
+      limit *= 2;  \
+      s = (char *) sGC_malloc(limit); \
+      if (s == NULL) { \
+        fprintf(stderr,"No more memory.\n"); \
+        exit(10); \
+      } \
+      strcpy(s,tmp); \
+    } 
 /*   */
 static char *readString(FILE *fp, char *prolog, char *epilog) {
   int n = 0;
@@ -170,44 +223,79 @@ static char *readString(FILE *fp, char *prolog, char *
   int m;
   int start;
   if (limit == 0) {
-	limit = 1024;
-	s = (char *)sGC_malloc(limit);
-	if (s == NULL) {
-	  fprintf(stderr,"No more memory.\n");
-	  exit(10);
-	}
+    limit = 1024;
+    s = (char *)sGC_malloc(limit);
+    if (s == NULL) {
+      fprintf(stderr,"No more memory.\n");
+      exit(10);
+    }
   }
   s[0] = 0; n = 0; m = 0;
   for (i=0; i < strlen(prolog); i++) {
-	s[n++] = prolog[i];  s[n] = 0;
+    s[n++] = prolog[i];  s[n] = 0;
     INC_BUF ;
   }
   start = n;
   while ((c = fgetc(fp)) != EOF) {
 #ifdef DEBUG2
-	fprintf(Dfp,"[%x] ",c); fflush(Dfp); 
+    fprintf(Dfp,"[%x] ",c); fflush(Dfp); 
 #endif
-	if (c == END_OF_INPUT) {
-	  if (oxSocketSelect0(0,1)) {
-		/* If there remains data in the stream,
-		   read the remaining data. */
-		if (c == '\n') c=' ';
-		s[n++] = c; s[n] = 0;  m++;
-		INC_BUF ;
-		continue;
-	  }
-	  break;
-	}
-	if (c == '\n') c=' ';
-	s[n++] = c; s[n] = 0;  m++;
+    if (c == END_OF_INPUT) {
+      if (oxSocketSelect0(0,1)) {
+        /* If there remains data in the stream,
+           read the remaining data. */
+        if (c == '\n') c=' ';
+        s[n++] = c; s[n] = 0;  m++;
+        INC_BUF ;
+        continue;
+      }
+      break;
+    }
+    if (c == '\n') c=' ';
+    s[n++] = c; s[n] = 0;  m++;
     INC_BUF ;
   }
-  if (strcmp(&(s[start]),"quit;") == 0) {
-	printv("Terminated the process ox_texmacs.\n"); 
-	exit(0);
+  /* Check the escape sequence */
+  if (strcmp(&(s[start]),"!quit;") == 0) {
+    printv("Terminated the process ox_texmacs.\n"); 
+    exit(0);
   }
+  /* Check the escape sequence to change the global env. */
+  if (strcmp(&(s[start]),"!verbatim;") == 0) {
+    printv("Output mode is changed to verbatim mode.");
+    Format=0;
+    return NULL;
+  }
+  if (strcmp(&(s[start]),"!latex;") == 0) {
+    printv("Output mode is changed to latex/verbose.");
+    Format = 1;
+    return NULL;
+  }
+  if (strcmp(&(s[start]),"!asir;") == 0) {
+    Format=1;
+    TM_Engine=ASIR; startEngine(TM_Engine,"Asir");
+    return NULL;
+  }
+  if (strcmp(&(s[start]),"!sm1;") == 0) {
+    Format=0;
+    TM_Engine=SM1; startEngine(TM_Engine,"sm1");
+    return NULL;
+  }
+  if (strcmp(&(s[start]),"!k0;") == 0) {
+    Format=0;
+    TM_Engine=K0; startEngine(TM_Engine,"k0");
+    return NULL;
+  }
+
+  /* Set TM_do_no_print */
+  if (s[n-1] == '$' && TM_Engine == ASIR) {
+	TM_do_not_print = 1; s[n-1] = ' ';
+  } else if (s[n-1] == ';' && TM_Engine == SM1) {
+	TM_do_not_print = 1; s[n-1] = ' ';
+  } else TM_do_not_print = 0;
+
   for (i=0; i < strlen(epilog); i++) {
-	s[n++] = epilog[i];  s[n] = 0;
+    s[n++] = epilog[i];  s[n] = 0;
     INC_BUF ;
   }
   return s;
@@ -237,8 +325,53 @@ static void printp(char *s) {
 }
 static void printCopyright(char *s) {
   printf("%s",DATA_BEGIN_V);
-  printf("OpenXM engine (ox engine) interface for TeXmacs\n2004 (C) openxm.org\n");
+  printf("OpenXM engine (ox engine) interface for TeXmacs\n2004 (C) openxm.org");
+  printf(" under the BSD licence.  !asir; !sm1; !k0; !verbatim;");
   printf("%s",s);
+  printf("%s",DATA_END);
+  fflush(NULL);
+}
+
+static int startEngine(int type,char *msg) {
+  struct object ob;
+  printf("%s",DATA_BEGIN_V);
+  if (type == SM1) {
+    if (!TM_sm1Started) KSexecuteString(" sm1connectr ");
+    KSexecuteString(" /ox.engine oxsm1.ccc def ");
+    /* Initialize the setting of sm1. */
+    KSexecuteString("  oxsm1.ccc ( [(cmoLispLike) 0] extension ) oxsubmit ");
+    KSexecuteString("  oxsm1.ccc ( ox_server_mode ) oxsubmit ");
+    KSexecuteString("  oxsm1.ccc ( ( ) message (------------- Message from sm1 ----------------)message ) oxsubmit ");
+    TM_sm1Started = 1;
+	/* Welcome message.  BUG. Copyright should be returned by a function. */
+    printf("Kan/StackMachine1                         1991 April --- 2004.\n");
+    printf("This software may be freely distributed as is with no warranty expressed. \n");
+	printf("See OpenXM/Copyright/Copyright.generic\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("%s\n",msg);
+  }else if (type == K0) {
+    if (!TM_k0Started) KSexecuteString(" k0connectr ");
+    KSexecuteString(" /ox.engine oxk0.ccc def ");
+    TM_k0Started = 1;
+    printf("%s\n",msg);
+  }else{
+    if (!TM_asirStarted) KSexecuteString(" asirconnectr ");
+    KSexecuteString(" /ox.engine oxasir.ccc def ");
+    TM_asirStarted = 1;
+    printf("%s\n",msg);
+    KSexecuteString(" oxasir.ccc (copyright()+asir_contrib_copyright();) oxsubmit oxasir.ccc oxpopstring ");
+    ob = KSpop();
+    if (ob.tag == Sdollar) {
+      printf("%s",ob.lc.str);
+    }
+    /* Initialize the setting of asir. */
+    KSexecuteString(" oxasir.ccc (if(1) {  Xm_server_mode = 1; Xm_helpdir = \"help-eg\";  } 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
+       not work. */
+    KSexecuteString(" oxasir.ccc (print(\"----------- Messages from asir ------------------------------\")$ ) oxsubmit oxasir.ccc oxpopcmo ");
+  }
   printf("%s",DATA_END);
   fflush(NULL);
 }