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Diff for /OpenXM/src/kan96xx/Kan/stackmachine.c between version 1.27 and 1.32

version 1.27, 2004/09/16 23:53:44 version 1.32, 2005/07/03 11:08:54
Line 1 
Line 1 
 /* $OpenXM: OpenXM/src/kan96xx/Kan/stackmachine.c,v 1.26 2004/09/16 02:22:03 takayama Exp $ */  /* $OpenXM: OpenXM/src/kan96xx/Kan/stackmachine.c,v 1.31 2005/06/16 05:07:23 takayama Exp $ */
 /*   stackmachin.c */  /*   stackmachin.c */
   
 #include <stdio.h>  #include <stdio.h>
   #include <stdlib.h>
   #include <string.h>
 #include "datatype.h"  #include "datatype.h"
 #include "stackm.h"  #include "stackm.h"
 #include "extern.h"  #include "extern.h"
Line 52  struct context *CurrentContextp = &StandardContext;
Line 54  struct context *CurrentContextp = &StandardContext;
 struct context *PrimitiveContextp = &StandardContext;  struct context *PrimitiveContextp = &StandardContext;
   
   
 static struct object ObjTmp; /* for poor compiler */  static struct object ObjTmp = OINIT; /* for poor compiler */
   
 int Calling_ctrlC_hook = 0;  int Calling_ctrlC_hook = 0;
   
Line 74  static strToInteger(char *);
Line 76  static strToInteger(char *);
 static power(int s,int i);  static power(int s,int i);
 static void pstack(void);  static void pstack(void);
 static struct object executableStringToExecutableArray(char *str);  static struct object executableStringToExecutableArray(char *str);
   static int isThereExecutableArrayOnStack(int n);
   
 extern int SerialCurrent;  extern int SerialCurrent;
 extern int QuoteMode;  extern int QuoteMode;
Line 94  struct object * newObject() 
Line 97  struct object * newObject() 
   r->tag = 0;    r->tag = 0;
   (r->lc).ival = 0;    (r->lc).ival = 0;
   (r->rc).ival = 0;    (r->rc).ival = 0;
     r->attr = NULL;
   return(r);    return(r);
 }  }
   
 struct object newObjectArray(size)  struct object newObjectArray(size)
      int size;       int size;
 {  {
   struct object rob;    struct object rob = OINIT;
   struct object *op;    struct object *op;
   if (size < 0) return(NullObject);    if (size < 0) return(NullObject);
   if (size > 0) {    if (size > 0) {
Line 322  int putPrimitiveFunction(str,number)
Line 326  int putPrimitiveFunction(str,number)
      char *str;       char *str;
      int number;       int number;
 {  {
   struct object ob;    struct object ob = OINIT;
   ob.tag = Soperator;    ob.tag = Soperator;
   ob.lc.ival = number;    ob.lc.ival = number;
   return(putSystemDictionary(str,ob));    return(putSystemDictionary(str,ob));
Line 464  struct object peek(k)
Line 468  struct object peek(k)
   }    }
 }  }
   
   static int isThereExecutableArray(struct object ob) {
     int n,i;
     struct object otmp = OINIT;
     if (ob.tag == SexecutableArray) return(1);
     if (ob.tag == Sarray) {
       n = getoaSize(ob);
       for (i=0; i<n; i++) {
         otmp = getoa(ob,i);
         if (isThereExecutableArray(otmp)) return(1);
       }
       return(0);
     }
     /* Class and list is not checked, since there is no parser
        to directory translte these objects. */
     return(0);
   }
   static int isThereExecutableArrayOnStack(int n) {
     int i;
     struct object ob = OINIT;
     for (i=0; i<n; i++) {
       if (Osp-i-1 < 0) return(0);
       ob = peek(i);
       if (isThereExecutableArray(ob)) return(1);
     }
     return(0);
   }
   
 struct object newOperandStack(int size)  struct object newOperandStack(int size)
 {  {
   struct operandStack *os ;    struct operandStack *os ;
   struct object ob;    struct object ob = OINIT;
   os = (struct operandStack *)sGC_malloc(sizeof(struct operandStack));    os = (struct operandStack *)sGC_malloc(sizeof(struct operandStack));
   if (os == (void *)NULL) errorStackmachine("No more memory.");    if (os == (void *)NULL) errorStackmachine("No more memory.");
   if (size <= 0) errorStackmachine("Size of stack must be more than 1.");    if (size <= 0) errorStackmachine("Size of stack must be more than 1.");
Line 549  void KsetContext(struct object contextObj)  {
Line 579  void KsetContext(struct object contextObj)  {
   
   
 struct object getSuperContext(struct object contextObj) {  struct object getSuperContext(struct object contextObj) {
   struct object rob;    struct object rob = OINIT;
   struct context *cp;    struct context *cp;
   if (contextObj.tag != Sclass) {    if (contextObj.tag != Sclass) {
     errorStackmachine("Usage:supercontext");      errorStackmachine("Usage:supercontext");
Line 615  int isLiteral(str)
Line 645  int isLiteral(str)
   
 void printOperandStack() {  void printOperandStack() {
   int i;    int i;
   struct object ob;    struct object ob = OINIT;
   int vs;    int vs;
   vs = VerboseStack; VerboseStack = 2;    vs = VerboseStack; VerboseStack = 2;
   for (i=Osp-1; i>=0; i--) {    for (i=Osp-1; i>=0; i--) {
Line 651  struct object showSystemDictionary(int f) {
Line 681  struct object showSystemDictionary(int f) {
   int maxl;    int maxl;
   char format[1000];    char format[1000];
   int nl;    int nl;
   struct object rob;    struct object rob = OINIT;
   rob = NullObject;    rob = NullObject;
   if (f != 0) {    if (f != 0) {
     rob = newObjectArray(Sdp);      rob = newObjectArray(Sdp);
Line 724  static struct object executableStringToExecutableArray
Line 754  static struct object executableStringToExecutableArray
      char *s;       char *s;
 {  {
   struct tokens *tokenArray;    struct tokens *tokenArray;
   struct object ob;    struct object ob = OINIT;
   int i;    int i;
   int size;    int size;
   tokenArray = decomposeToTokens(s,&size);    tokenArray = decomposeToTokens(s,&size);
Line 743  static struct object executableStringToExecutableArray
Line 773  static struct object executableStringToExecutableArray
 /****************  stack machine **************************/  /****************  stack machine **************************/
 void scanner() {  void scanner() {
   struct tokens token;    struct tokens token;
   struct object ob;    struct object ob = OINIT;
   extern int Quiet;    extern int Quiet;
   extern void ctrlC();    extern void ctrlC();
   int tmp, status;    int tmp, status;
Line 753  void scanner() {
Line 783  void scanner() {
   extern int InSendmsg2;    extern int InSendmsg2;
   int infixOn = 0;    int infixOn = 0;
   struct tokens infixToken;    struct tokens infixToken;
     extern int RestrictedMode, RestrictedMode_saved;
   getokenSM(INIT);    getokenSM(INIT);
   initSystemDictionary();    initSystemDictionary();
   
Line 836  void scanner() {
Line 867  void scanner() {
         fprintf(Fstack,"\nscanner> ");          fprintf(Fstack,"\nscanner> ");
       }        }
       if (!Calling_ctrlC_hook) { /* to avoid recursive call of ctrlC-hook. */        if (!Calling_ctrlC_hook) { /* to avoid recursive call of ctrlC-hook. */
         Calling_ctrlC_hook = 1;          Calling_ctrlC_hook = 1; RestrictedMode = 0;
         KSexecuteString(" ctrlC-hook "); /* Execute User Defined functions. */          KSexecuteString(" ctrlC-hook "); /* Execute User Defined functions. */
           RestrictedMode = RestrictedMode_saved;
       }        }
       Calling_ctrlC_hook = 0;        Calling_ctrlC_hook = 0;
       KSexecuteString(" (Computation is interrupted.) "); /* move to ctrlC-hook? */        KSexecuteString(" (Computation is interrupted.) "); /* move to ctrlC-hook? */
Line 868  void ctrlC(sig)
Line 900  void ctrlC(sig)
   extern int SGClock;    extern int SGClock;
   extern int UserCtrlC;    extern int UserCtrlC;
   extern int OXlock;    extern int OXlock;
     extern int RestrictedMode, RestrictedMode_saved;
   
   signal(sig,SIG_IGN);    signal(sig,SIG_IGN);
   /* see 133p */    /* see 133p */
     RestrictedMode = RestrictedMode_saved;
   cancelAlarm();    cancelAlarm();
   if (sig == SIGALRM) {    if (sig == SIGALRM) {
     fprintf(stderr,"ctrlC by SIGALRM\n");      fprintf(stderr,"ctrlC by SIGALRM\n");
Line 925  void ctrlC(sig)
Line 959  void ctrlC(sig)
 int executeToken(token)  int executeToken(token)
      struct tokens token;       struct tokens token;
 {  {
   struct object ob;    struct object ob = OINIT;
   int primitive;    int primitive;
   int size;    int size;
   int status;    int status;
Line 933  int executeToken(token)
Line 967  int executeToken(token)
   extern int WarningMessageMode;    extern int WarningMessageMode;
   extern int Strict;    extern int Strict;
   extern int InSendmsg2;    extern int InSendmsg2;
     extern int RestrictedMode, RestrictedMode_saved;
     int localRestrictedMode_saved;
   
     localRestrictedMode_saved = 0;
   if (GotoP) { /* for goto */    if (GotoP) { /* for goto */
     if (token.kind == ID && isLiteral(token.token)) {      if (token.kind == ID && isLiteral(token.token)) {
       if (strcmp(&((token.token)[1]),GotoLabel) == 0) {        if (strcmp(&((token.token)[1]),GotoLabel) == 0) {
Line 987  int executeToken(token)
Line 1024  int executeToken(token)
       if (ob.tag >= 0) {        if (ob.tag >= 0) {
         /* there is a definition in the user dictionary */          /* there is a definition in the user dictionary */
         if (ob.tag == SexecutableArray) {          if (ob.tag == SexecutableArray) {
             if (RestrictedMode) {
               if (UD_attr & ATTR_EXPORT) {
                 localRestrictedMode_saved = RestrictedMode; RestrictedMode = 0;
                 if (isThereExecutableArrayOnStack(5)) {
                                   int i;
                   for (i=0; i<5; i++) { (void) Kpop(); }
                   errorStackmachine("Executable array is on the argument stack (restricted mode). They are automatically removed.\n");
                             }
               }else{
                 tracePushName(token.token);
                 errorStackmachine("You cannot execute this function in restricted mode.\n");
               }
             }
   
           status = executeExecutableArray(ob,token.token,0);            status = executeExecutableArray(ob,token.token,0);
   
             if (localRestrictedMode_saved) RestrictedMode = localRestrictedMode_saved;
           if ((status & STATUS_BREAK) || (status < 0)) return status;            if ((status & STATUS_BREAK) || (status < 0)) return status;
         }else {          }else {
           Kpush(ob);            Kpush(ob);
Line 1055  errorStackmachine(str)
Line 1108  errorStackmachine(str)
   char message0[1024];    char message0[1024];
   char *message;    char *message;
   extern int ErrorMessageMode;    extern int ErrorMessageMode;
     extern int RestrictedMode, RestrictedMode_saved;
     RestrictedMode = RestrictedMode_saved;
   cancelAlarm();    cancelAlarm();
   if (ErrorMessageMode == 1 || ErrorMessageMode == 2) {    if (ErrorMessageMode == 1 || ErrorMessageMode == 2) {
     pushErrorStack(KnewErrorPacket(SerialCurrent,-1,str));      pushErrorStack(KnewErrorPacket(SerialCurrent,-1,str));
Line 1127  KSexecuteString(s)
Line 1182  KSexecuteString(s)
      char *s;       char *s;
 {  {
   struct tokens token;    struct tokens token;
   struct object ob;    struct object ob = OINIT;
   int tmp;    int tmp;
   extern int CatchCtrlC;    extern int CatchCtrlC;
   int jval;    int jval;
Line 1137  KSexecuteString(s)
Line 1192  KSexecuteString(s)
   jmp_buf saved_EnvOfStackMachine;    jmp_buf saved_EnvOfStackMachine;
   void (*sigfunc)();    void (*sigfunc)();
   int localCatchCtrlC ;    int localCatchCtrlC ;
     extern int RestrictedMode, RestrictedMode_saved;
   
   localCatchCtrlC = CatchCtrlC;    localCatchCtrlC = CatchCtrlC;
   /* If CatchCtrlC is rewrited in this program,    /* If CatchCtrlC is rewrited in this program,
Line 1163  KSexecuteString(s)
Line 1219  KSexecuteString(s)
       recursive--;        recursive--;
       if (localCatchCtrlC) { signal(SIGINT, sigfunc); }        if (localCatchCtrlC) { signal(SIGINT, sigfunc); }
       if (!Calling_ctrlC_hook) {        if (!Calling_ctrlC_hook) {
         Calling_ctrlC_hook = 1;          Calling_ctrlC_hook = 1; RestrictedMode = 0;
         KSexecuteString(" ctrlC-hook "); /* Execute User Defined functions. */          KSexecuteString(" ctrlC-hook "); /* Execute User Defined functions. */
           RestrictedMode_saved;
       }        }
       Calling_ctrlC_hook = 0;        Calling_ctrlC_hook = 0;
       KSexecuteString(" (Computation is interrupted.) "); /* move to ctrlC-hook?*/        KSexecuteString(" (Computation is interrupted.) "); /* move to ctrlC-hook?*/
Line 1185  KSexecuteString(s)
Line 1242  KSexecuteString(s)
         recursive = 0;          recursive = 0;
         if (localCatchCtrlC) { signal(SIGINT, sigfunc); }          if (localCatchCtrlC) { signal(SIGINT, sigfunc); }
         if (!Calling_ctrlC_hook) {          if (!Calling_ctrlC_hook) {
           Calling_ctrlC_hook = 1;            Calling_ctrlC_hook = 1; RestrictedMode = 0;
           KSexecuteString(" ctrlC-hook "); /* Execute User Defined functions. */            KSexecuteString(" ctrlC-hook "); /* Execute User Defined functions. */
             RestrictedMode = RestrictedMode_saved;
         }          }
         Calling_ctrlC_hook = 0;          Calling_ctrlC_hook = 0;
         Calling_ctrlC_hook = 0;          Calling_ctrlC_hook = 0;
Line 1216  KSexecuteString(s)
Line 1274  KSexecuteString(s)
 KSdefineMacros() {  KSdefineMacros() {
   struct tokens token;    struct tokens token;
   int tmp;    int tmp;
   struct object ob;    struct object ob = OINIT;
   
   if (StandardMacros && (strlen(SMacros))) {    if (StandardMacros && (strlen(SMacros))) {
     token.kind = EXECUTABLE_STRING; token.tflag = 0;      token.kind = EXECUTABLE_STRING; token.tflag = 0;
Line 1237  KSdefineMacros() {
Line 1295  KSdefineMacros() {
 void KSstart() {  void KSstart() {
   struct tokens token;    struct tokens token;
   int tmp;    int tmp;
   struct object ob;    struct object ob = OINIT;
   extern int Quiet;    extern int Quiet;
   
   stackmachine_init(); KinitKan();    stackmachine_init(); KinitKan();
Line 1291  struct object KSpeek(k) {
Line 1349  struct object KSpeek(k) {
   
 char *KSstringPop() {  char *KSstringPop() {
   /* pop a string */    /* pop a string */
   struct object rob;    struct object rob = OINIT;
   rob = Kpop();    rob = Kpop();
   if (rob.tag == Sdollar) {    if (rob.tag == Sdollar) {
     return(rob.lc.str);      return(rob.lc.str);
Line 1361  struct object popErrorStack(void) {
Line 1419  struct object popErrorStack(void) {
 }  }
   
 char *popErrorStackByString(void) {  char *popErrorStackByString(void) {
   struct object obj;    struct object obj = OINIT;
   struct object eobj;    struct object eobj = OINIT;
   eobj = popErrorStack();    eobj = popErrorStack();
   if (ectag(eobj) != CLASSNAME_ERROR_PACKET) {    if (ectag(eobj) != CLASSNAME_ERROR_PACKET) {
     return(NULL);      return(NULL);
Line 1391  int KScheckErrorStack(void)
Line 1449  int KScheckErrorStack(void)
   
 struct object KnewErrorPacket(int serial,int no,char *message)  struct object KnewErrorPacket(int serial,int no,char *message)
 {  {
   struct object obj;    struct object obj = OINIT;
   struct object *myop;    struct object *myop;
   char *s;    char *s;
   /* Set extended tag. */    /* Set extended tag. */
Line 1413  struct object KnewErrorPacket(int serial,int no,char *
Line 1471  struct object KnewErrorPacket(int serial,int no,char *
   
 struct object KnewErrorPacketObj(struct object ob1)  struct object KnewErrorPacketObj(struct object ob1)
 {  {
   struct object obj;    struct object obj = OINIT;
   struct object *myop;    struct object *myop;
   char *s;    char *s;
   /* Set extended tag. */    /* Set extended tag. */
Line 1512  int KSstackPointer() {
Line 1570  int KSstackPointer() {
 }  }
   
 struct object KSdupErrors() {  struct object KSdupErrors() {
   struct object rob;    struct object rob = OINIT;
   struct object ob;    struct object ob = OINIT;
   int i;    int i;
   int n;    int n;
   int m;    int m;
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  Added in v.1.32
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