version 1.11, 2002/11/04 11:08:59 |
version 1.33, 2005/07/18 10:55:16 |
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/* $OpenXM: OpenXM/src/kan96xx/Kan/stackmachine.c,v 1.10 2002/11/04 10:53:56 takayama Exp $ */ |
/* $OpenXM: OpenXM/src/kan96xx/Kan/stackmachine.c,v 1.32 2005/07/03 11:08:54 ohara Exp $ */ |
/* stackmachin.c */ |
/* stackmachin.c */ |
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#include <stdio.h> |
#include <stdio.h> |
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#include <stdlib.h> |
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#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; |
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Line 54 struct context *CurrentContextp = &StandardContext; |
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struct context *PrimitiveContextp = &StandardContext; |
struct context *PrimitiveContextp = &StandardContext; |
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static struct object ObjTmp; /* for poor compiler */ |
static struct object ObjTmp = OINIT; /* for poor compiler */ |
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int Calling_ctrlC_hook = 0; |
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int StandardMacros = 1; |
int StandardMacros = 1; |
int StartAFile = 0; |
int StartAFile = 0; |
char *StartFile; |
char *StartFile; |
Line 72 static strToInteger(char *); |
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Line 76 static strToInteger(char *); |
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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); |
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static int isThereExecutableArrayOnStack(int n); |
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extern int SerialCurrent; |
extern int SerialCurrent; |
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extern int QuoteMode; |
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int SGClock = 0; |
int SGClock = 0; |
int UserCtrlC = 0; |
int UserCtrlC = 0; |
int OXlock = 0; |
int OXlock = 0; |
int OXlockSaved = 0; |
int OXlockSaved = 0; |
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char *UD_str; |
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int UD_attr; |
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char *MsgStackTrace = NULL; |
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char *MsgSourceTrace = NULL; |
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struct object * newObject() |
struct object * newObject() |
{ |
{ |
struct object *r; |
struct object *r; |
Line 88 struct object * newObject() |
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Line 100 struct object * newObject() |
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r->tag = 0; |
r->tag = 0; |
(r->lc).ival = 0; |
(r->lc).ival = 0; |
(r->rc).ival = 0; |
(r->rc).ival = 0; |
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r->attr = NULL; |
return(r); |
return(r); |
} |
} |
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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 215 int putUserDictionary(str,h0,h1,ob,dic) |
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Line 228 int putUserDictionary(str,h0,h1,ob,dic) |
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} |
} |
r = x; |
r = x; |
if (Strict2) { |
if (Strict2) { |
switch((dic[x]).attr) { |
switch(((dic[x]).attr) & (PROTECT | ABSOLUTE_PROTECT)) { |
case PROTECT: |
case PROTECT: |
r = -PROTECT; /* Protected, but we rewrite it. */ |
r = -PROTECT; /* Protected, but we rewrite it. */ |
break; |
break; |
Line 223 int putUserDictionary(str,h0,h1,ob,dic) |
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Line 236 int putUserDictionary(str,h0,h1,ob,dic) |
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r = -ABSOLUTE_PROTECT; /* Protected and we do not rewrite it. */ |
r = -ABSOLUTE_PROTECT; /* Protected and we do not rewrite it. */ |
return(r); |
return(r); |
default: |
default: |
(dic[x]).attr = 0; |
/* (dic[x]).attr = 0; */ /* It is not necesarry, I think. */ |
break; |
break; |
} |
} |
} |
} |
Line 246 struct object findUserDictionary(str,h0,h1,cp) |
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Line 259 struct object findUserDictionary(str,h0,h1,cp) |
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char *str; /* key */ |
char *str; /* key */ |
int h0,h1; /* The hashing values of the key. */ |
int h0,h1; /* The hashing values of the key. */ |
struct context *cp; |
struct context *cp; |
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/* Set char *UD_str, int UD_attr (attributes) */ |
{ |
{ |
int x; |
int x; |
struct dictionary *dic; |
struct dictionary *dic; |
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extern char *UD_str; |
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extern int UD_attr; |
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UD_str = NULL; UD_attr = -1; |
dic = cp->userDictionary; |
dic = cp->userDictionary; |
x = h0; |
x = h0; |
while (1) { |
while (1) { |
if ((dic[x]).key == EMPTY) { break; } |
if ((dic[x]).key == EMPTY) { break; } |
if (strcmp((dic[x]).key,str) == 0) { |
if (strcmp((dic[x]).key,str) == 0) { |
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UD_str = (dic[x]).key; UD_attr = (dic[x]).attr; |
return( (dic[x]).obj ); |
return( (dic[x]).obj ); |
} |
} |
x = (x+h1) % USER_DICTIONARY_SIZE; |
x = (x+h1) % USER_DICTIONARY_SIZE; |
Line 284 int putUserDictionary2(str,h0,h1,attr,dic) |
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Line 302 int putUserDictionary2(str,h0,h1,attr,dic) |
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} |
} |
return(0); |
return(0); |
} |
} |
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if (OR_ATTR_FOR_ALL_WORDS & attr) { |
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for (i=0; i<USER_DICTIONARY_SIZE; i++) { |
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if ((dic[i]).key !=EMPTY) (dic[i]).attr |= attr&(~OR_ATTR_FOR_ALL_WORDS); |
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} |
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return(0); |
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} |
x = h0; |
x = h0; |
if (str[0] == '\0') { |
if (str[0] == '\0') { |
errorKan1("%s\n","putUserDictionary2(): You are defining a value with the null key."); |
errorKan1("%s\n","putUserDictionary2(): You are defining a value with the null key."); |
Line 305 int putPrimitiveFunction(str,number) |
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Line 329 int putPrimitiveFunction(str,number) |
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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)); |
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{ |
{ |
int h=0; |
int h=0; |
while (*str != '\0') { |
while (*str != '\0') { |
h = ((h*128)+(*str)) % USER_DICTIONARY_SIZE; |
h = ((h*128)+((unsigned char)(*str))) % USER_DICTIONARY_SIZE; |
str++; |
str++; |
} |
} |
return(h); |
return(h); |
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int hash1(str) |
int hash1(str) |
char *str; |
char *str; |
{ |
{ |
return(8-(str[0]%8)); |
return(8-((unsigned char)(str[0])%8)); |
} |
} |
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void hashInitialize(struct dictionary *dic) |
void hashInitialize(struct dictionary *dic) |
Line 447 struct object peek(k) |
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Line 471 struct object peek(k) |
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} |
} |
} |
} |
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static int isThereExecutableArray(struct object ob) { |
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int n,i; |
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struct object otmp = OINIT; |
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if (ob.tag == SexecutableArray) return(1); |
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if (ob.tag == Sarray) { |
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n = getoaSize(ob); |
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for (i=0; i<n; i++) { |
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otmp = getoa(ob,i); |
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if (isThereExecutableArray(otmp)) return(1); |
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} |
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return(0); |
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} |
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/* Class and list is not checked, since there is no parser |
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to directory translte these objects. */ |
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return(0); |
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} |
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static int isThereExecutableArrayOnStack(int n) { |
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int i; |
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struct object ob = OINIT; |
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for (i=0; i<n; i++) { |
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if (Osp-i-1 < 0) return(0); |
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ob = peek(i); |
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if (isThereExecutableArray(ob)) return(1); |
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} |
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return(0); |
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} |
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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 532 void KsetContext(struct object contextObj) { |
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Line 582 void KsetContext(struct object contextObj) { |
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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 598 int isLiteral(str) |
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Line 648 int isLiteral(str) |
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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 634 struct object showSystemDictionary(int f) { |
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Line 684 struct object showSystemDictionary(int f) { |
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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 707 static struct object executableStringToExecutableArray |
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Line 757 static struct object executableStringToExecutableArray |
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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 726 static struct object executableStringToExecutableArray |
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Line 776 static struct object executableStringToExecutableArray |
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/**************** 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; |
int tmp, status; |
char *tmp2; |
char *tmp2; |
extern int ErrorMessageMode; |
extern int ErrorMessageMode; |
int jval; |
int jval; |
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extern int InSendmsg2; |
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int infixOn = 0; |
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struct tokens infixToken; |
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extern int RestrictedMode, RestrictedMode_saved; |
getokenSM(INIT); |
getokenSM(INIT); |
initSystemDictionary(); |
initSystemDictionary(); |
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Line 750 void scanner() { |
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Line 804 void scanner() { |
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} |
} |
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/* setup quiet mode or not */ |
/* setup quiet mode or not */ |
token.kind = EXECUTABLE_STRING; |
token.kind = EXECUTABLE_STRING; token.tflag = 0; |
if (Quiet) { |
if (Quiet) { |
token.token = " /@@@.quiet 1 def "; |
token.token = " /@@@.quiet 1 def "; |
}else { |
}else { |
token.token = " /@@@.quiet 0 def "; |
token.token = " /@@@.quiet 0 def "; |
} |
} |
executeToken(token); /* execute startup commands */ |
executeToken(token); /* execute startup commands */ |
token.kind = ID; |
token.kind = ID; token.tflag = 0; |
token.token = "exec"; |
token.token = "exec"; |
token = lookupTokens(token); /* set hashing values */ |
token = lookupTokens(token); /* set hashing values */ |
tmp = findSystemDictionary(token.token); |
tmp = findSystemDictionary(token.token); |
Line 773 void scanner() { |
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Line 827 void scanner() { |
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StartFile = (char *)sGC_malloc(sizeof(char)*(strlen(StartFile)+ |
StartFile = (char *)sGC_malloc(sizeof(char)*(strlen(StartFile)+ |
40)); |
40)); |
sprintf(StartFile,"$%s$ run\n",tmp2); |
sprintf(StartFile,"$%s$ run\n",tmp2); |
token.kind = EXECUTABLE_STRING; |
token.kind = EXECUTABLE_STRING; token.tflag = 0; |
token.token = StartFile; |
token.token = StartFile; |
executeToken(token); /* execute startup commands */ |
executeToken(token); /* execute startup commands */ |
token.kind = ID; |
token.kind = ID; token.tflag = 0; |
token.token = "exec"; |
token.token = "exec"; |
token = lookupTokens(token); /* set hashing values */ |
token = lookupTokens(token); /* set hashing values */ |
tmp = findSystemDictionary(token.token); |
tmp = findSystemDictionary(token.token); |
Line 786 void scanner() { |
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Line 840 void scanner() { |
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} |
} |
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if (StartAString) { |
if (StartAString) { |
token.kind = EXECUTABLE_STRING; |
token.kind = EXECUTABLE_STRING; token.tflag = 0; |
token.token = StartString; |
token.token = StartString; |
executeToken(token); /* execute startup commands */ |
executeToken(token); /* execute startup commands */ |
token.kind = ID; |
token.kind = ID; token.tflag = 0; |
token.token = "exec"; |
token.token = "exec"; |
token = lookupTokens(token); /* set hashing values */ |
token = lookupTokens(token); /* set hashing values */ |
tmp = findSystemDictionary(token.token); |
tmp = findSystemDictionary(token.token); |
Line 815 void scanner() { |
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Line 869 void scanner() { |
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if (DebugStack >= 1) { |
if (DebugStack >= 1) { |
fprintf(Fstack,"\nscanner> "); |
fprintf(Fstack,"\nscanner> "); |
} |
} |
KSexecuteString(" ctrlC-hook "); /* Execute User Defined functions. */ |
if (!Calling_ctrlC_hook) { /* to avoid recursive call of ctrlC-hook. */ |
KSexecuteString(" (Computation is interrupted.) "); |
Calling_ctrlC_hook = 1; RestrictedMode = 0; |
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KSexecuteString(" ctrlC-hook "); /* Execute User Defined functions. */ |
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RestrictedMode = RestrictedMode_saved; |
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} |
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Calling_ctrlC_hook = 0; |
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KSexecuteString(" (Computation is interrupted.) "); /* move to ctrlC-hook? */ |
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InSendmsg2 = 0; |
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infixOn = 0; |
continue ; |
continue ; |
} else { } |
} else { } |
if (DebugStack >= 1) { printOperandStack(); } |
if (DebugStack >= 1) { printOperandStack(); } |
token = getokenSM(GET); |
token = getokenSM(GET); |
if ((tmp=executeToken(token)) < 0) break; |
if ((status=executeToken(token)) < 0) break; |
/***if (tmp == 1) fprintf(stderr," --- exit --- \n");*/ |
/***if (status == 1) fprintf(stderr," --- exit --- \n");*/ |
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/* fprintf(stderr,"token.token=%s, status=%d, infixOn=%d\n",token.token,status,infixOn); */ |
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if (status & STATUS_INFIX) { |
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infixOn = 1; infixToken = token; infixToken.tflag |= NO_DELAY; |
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}else if (infixOn) { |
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infixOn = 0; |
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if ((status=executeToken(infixToken)) < 0) break; |
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} |
} |
} |
} |
} |
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extern int SGClock; |
extern int SGClock; |
extern int UserCtrlC; |
extern int UserCtrlC; |
extern int OXlock; |
extern int OXlock; |
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extern int RestrictedMode, RestrictedMode_saved; |
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signal(sig,SIG_IGN); |
signal(sig,SIG_IGN); |
/* see 133p */ |
/* see 133p */ |
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RestrictedMode = RestrictedMode_saved; |
cancelAlarm(); |
cancelAlarm(); |
if (sig == SIGALRM) { |
if (sig == SIGALRM) { |
fprintf(stderr,"ctrlC by SIGALRM\n"); |
fprintf(stderr,"ctrlC by SIGALRM\n"); |
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return; |
return; |
} |
} |
if (ErrorMessageMode != 1) { |
if (ErrorMessageMode != 1) { |
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(void *) traceShowStack(); |
fprintf(Fstack,"User interruption by ctrl-C. We are in the top-level.\n"); |
fprintf(Fstack,"User interruption by ctrl-C. We are in the top-level.\n"); |
fprintf(Fstack,"Type in quit in order to exit sm1.\n"); |
fprintf(Fstack,"Type in quit in order to exit sm1.\n"); |
} |
} |
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traceClearStack(); |
if (GotoP) { |
if (GotoP) { |
fprintf(Fstack,"The interpreter was looking for the label <<%s>>. It is also aborted.\n",GotoLabel); |
fprintf(Fstack,"The interpreter was looking for the label <<%s>>. It is also aborted.\n",GotoLabel); |
GotoP = 0; |
GotoP = 0; |
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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; |
struct tokens *tokenArray; |
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int i,h0,h1; |
int i,h0,h1; |
extern int WarningMessageMode; |
extern int WarningMessageMode; |
extern int Strict; |
extern int Strict; |
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extern int InSendmsg2; |
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extern int RestrictedMode, RestrictedMode_saved; |
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int localRestrictedMode_saved; |
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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 944 int executeToken(token) |
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Line 1019 int executeToken(token) |
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h1 = ((token.object.lc.op)->rc).ival; |
h1 = ((token.object.lc.op)->rc).ival; |
ob=findUserDictionary(token.token,h0,h1,CurrentContextp); |
ob=findUserDictionary(token.token,h0,h1,CurrentContextp); |
primitive = ((token.object.rc.op)->lc).ival; |
primitive = ((token.object.rc.op)->lc).ival; |
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if (!(token.tflag & NO_DELAY)) { |
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if ((ob.tag >= 0) && (UD_attr & ATTR_INFIX)) { |
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return STATUS_INFIX; |
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} |
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} |
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) { |
tokenArray = ob.lc.tokenArray; |
if (RestrictedMode) { |
size = ob.rc.ival; |
if (UD_attr & ATTR_EXPORT) { |
for (i=0; i<size; i++) { |
localRestrictedMode_saved = RestrictedMode; RestrictedMode = 0; |
status = executeToken(tokenArray[i]); |
if (isThereExecutableArrayOnStack(5)) { |
if (status != 0) return(status); |
int i; |
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for (i=0; i<5; i++) { (void) Kpop(); } |
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errorStackmachine("Executable array is on the argument stack (restricted mode). They are automatically removed.\n"); |
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} |
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}else{ |
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tracePushName(token.token); |
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errorStackmachine("You cannot execute this function in restricted mode.\n"); |
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} |
} |
} |
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status = executeExecutableArray(ob,token.token,0); |
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if (localRestrictedMode_saved) RestrictedMode = localRestrictedMode_saved; |
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if ((status & STATUS_BREAK) || (status < 0)) return status; |
}else { |
}else { |
Kpush(ob); |
Kpush(ob); |
} |
} |
} else if (primitive) { |
} else if (primitive) { |
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tracePushName(token.token); |
/* system operator */ |
/* system operator */ |
ob.tag = Soperator; |
ob.tag = Soperator; |
ob.lc.ival = primitive; |
ob.lc.ival = primitive; |
return(executePrimitive(ob)); |
status = executePrimitive(ob); |
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tracePopName(); |
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return(status); |
} else { |
} else { |
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if (QuoteMode) { |
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if (InSendmsg2) return(DO_QUOTE); |
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else { |
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Kpush(KpoString(token.token)); |
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return(0); /* normal exit.*/ |
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} |
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} |
if (WarningMessageMode == 1 || WarningMessageMode == 2) { |
if (WarningMessageMode == 1 || WarningMessageMode == 2) { |
char tmpc[1024]; |
char tmpc[1024]; |
if (strlen(token.token) < 900) { |
if (strlen(token.token) < 900) { |
Line 1009 errorStackmachine(str) |
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Line 1111 errorStackmachine(str) |
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char message0[1024]; |
char message0[1024]; |
char *message; |
char *message; |
extern int ErrorMessageMode; |
extern int ErrorMessageMode; |
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extern int RestrictedMode, RestrictedMode_saved; |
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RestrictedMode = RestrictedMode_saved; |
cancelAlarm(); |
cancelAlarm(); |
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MsgStackTrace = NULL; |
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MsgSourceTrace = NULL; |
if (ErrorMessageMode == 1 || ErrorMessageMode == 2) { |
if (ErrorMessageMode == 1 || ErrorMessageMode == 2) { |
pushErrorStack(KnewErrorPacket(SerialCurrent,-1,str)); |
pushErrorStack(KnewErrorPacket(SerialCurrent,-1,str)); |
} |
} |
Line 1043 errorStackmachine(str) |
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Line 1149 errorStackmachine(str) |
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fprintf(stderr,str); |
fprintf(stderr,str); |
} |
} |
fprintf(stderr,"\n"); |
fprintf(stderr,"\n"); |
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MsgStackTrace = traceShowStack(); |
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MsgSourceTrace = traceShowScannerBuf(); |
} |
} |
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traceClearStack(); |
if (GotoP) { |
if (GotoP) { |
fprintf(Fstack,"The interpreter was looking for the label <<%s>>. It is also aborted.\n",GotoLabel); |
fprintf(Fstack,"The interpreter was looking for the label <<%s>>. It is also aborted.\n",GotoLabel); |
GotoP = 0; |
GotoP = 0; |
Line 1079 KSexecuteString(s) |
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Line 1188 KSexecuteString(s) |
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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 1089 KSexecuteString(s) |
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Line 1198 KSexecuteString(s) |
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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 1114 KSexecuteString(s) |
|
Line 1224 KSexecuteString(s) |
|
} |
} |
recursive--; |
recursive--; |
if (localCatchCtrlC) { signal(SIGINT, sigfunc); } |
if (localCatchCtrlC) { signal(SIGINT, sigfunc); } |
KSexecuteString(" ctrlC-hook "); /* Execute User Defined functions. */ |
if (!Calling_ctrlC_hook) { |
KSexecuteString(" (Computation is interrupted.) "); |
Calling_ctrlC_hook = 1; RestrictedMode = 0; |
|
KSexecuteString(" ctrlC-hook "); /* Execute User Defined functions. */ |
|
RestrictedMode_saved; |
|
} |
|
Calling_ctrlC_hook = 0; |
|
KSexecuteString(" (Computation is interrupted.) "); /* move to ctrlC-hook?*/ |
return(-1); |
return(-1); |
}else{ } |
}else{ } |
}else{ |
}else{ |
Line 1132 KSexecuteString(s) |
|
Line 1247 KSexecuteString(s) |
|
} |
} |
recursive = 0; |
recursive = 0; |
if (localCatchCtrlC) { signal(SIGINT, sigfunc); } |
if (localCatchCtrlC) { signal(SIGINT, sigfunc); } |
KSexecuteString(" ctrlC-hook "); /* Execute User Defined functions. */ |
if (!Calling_ctrlC_hook) { |
|
Calling_ctrlC_hook = 1; RestrictedMode = 0; |
|
KSexecuteString(" ctrlC-hook "); /* Execute User Defined functions. */ |
|
RestrictedMode = RestrictedMode_saved; |
|
} |
|
Calling_ctrlC_hook = 0; |
|
Calling_ctrlC_hook = 0; |
KSexecuteString(" (Computation is interrupted.) "); |
KSexecuteString(" (Computation is interrupted.) "); |
return(-1); |
return(-1); |
}else { } |
}else { } |
Line 1141 KSexecuteString(s) |
|
Line 1262 KSexecuteString(s) |
|
|
|
recursive++; |
recursive++; |
token.token = s; |
token.token = s; |
token.kind = EXECUTABLE_STRING; |
token.kind = EXECUTABLE_STRING; token.tflag = 0; |
executeToken(token); |
executeToken(token); |
token.kind = ID; |
token.kind = ID; token.tflag = 0; |
token.token = "exec"; |
token.token = "exec"; |
token = lookupTokens(token); /* no use */ |
token = lookupTokens(token); /* no use */ |
tmp = findSystemDictionary(token.token); |
tmp = findSystemDictionary(token.token); |
Line 1159 KSexecuteString(s) |
|
Line 1280 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.kind = EXECUTABLE_STRING; token.tflag = 0; |
token.token = SMacros; |
token.token = SMacros; |
executeToken(token); /* execute startup commands */ |
executeToken(token); /* execute startup commands */ |
token.kind = ID; |
token.kind = ID; token.tflag = 0; |
token.token = "exec"; |
token.token = "exec"; |
token = lookupTokens(token); /* no use */ |
token = lookupTokens(token); /* no use */ |
tmp = findSystemDictionary(token.token); |
tmp = findSystemDictionary(token.token); |
Line 1180 KSdefineMacros() { |
|
Line 1301 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 1195 void KSstart() { |
|
Line 1316 void KSstart() { |
|
} else { } */ |
} else { } */ |
|
|
/* setup quiet mode or not */ |
/* setup quiet mode or not */ |
token.kind = EXECUTABLE_STRING; |
token.kind = EXECUTABLE_STRING; token.tflag = 0; |
if (Quiet) { |
if (Quiet) { |
token.token = " /@@@.quiet 1 def "; |
token.token = " /@@@.quiet 1 def "; |
}else { |
}else { |
token.token = " /@@@.quiet 0 def "; |
token.token = " /@@@.quiet 0 def "; |
} |
} |
executeToken(token); /* execute startup commands */ |
executeToken(token); /* execute startup commands */ |
token.kind = ID; |
token.kind = ID; token.tflag = 0; |
token.token = "exec"; |
token.token = "exec"; |
token = lookupTokens(token); /* set hashing values */ |
token = lookupTokens(token); /* set hashing values */ |
tmp = findSystemDictionary(token.token); |
tmp = findSystemDictionary(token.token); |
Line 1234 struct object KSpeek(k) { |
|
Line 1355 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 1304 struct object popErrorStack(void) { |
|
Line 1425 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 1334 int KScheckErrorStack(void) |
|
Line 1455 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 1356 struct object KnewErrorPacket(int serial,int no,char * |
|
Line 1477 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 1455 int KSstackPointer() { |
|
Line 1576 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; |
Line 1484 struct object KSdupErrors() { |
|
Line 1605 struct object KSdupErrors() { |
|
void cancelAlarm() { |
void cancelAlarm() { |
alarm((unsigned int) 0); |
alarm((unsigned int) 0); |
signal(SIGALRM,SIG_DFL); |
signal(SIGALRM,SIG_DFL); |
|
} |
|
|
|
/* back-trace */ |
|
#define TraceNameStackSize 3000 |
|
char *TraceNameStack[TraceNameStackSize]; |
|
int TraceNameStackp = 0; |
|
void tracePushName(char *s) { |
|
char *t; |
|
/* |
|
t = (char *)sGC_malloc(strlen(s)+1); |
|
if (t == NULL) { |
|
fprintf(stderr,"No more memory.\n"); return; |
|
} |
|
strcpy(t,s); |
|
*/ |
|
t = s; |
|
TraceNameStack[TraceNameStackp++] = t; |
|
if (TraceNameStackp >= TraceNameStackSize) { |
|
fprintf(stderr,"Warning: TraceNameStack overflow. Clearing the stack.\n"); |
|
TraceNameStackp = 0; |
|
} |
|
} |
|
void traceClearStack(void) { |
|
TraceNameStackp = 0; |
|
} |
|
char *tracePopName(void) { |
|
if (TraceNameStackp <= 0) return (char *) NULL; |
|
return TraceNameStack[--TraceNameStackp]; |
|
} |
|
#define TRACE_MSG_SIZE 320 |
|
char *traceShowStack(void) { |
|
char *s; |
|
char *t; |
|
int p; |
|
s = (char *) sGC_malloc(TRACE_MSG_SIZE); |
|
if (s == NULL) { |
|
fprintf(stderr,"No more memory.\n"); return NULL; |
|
} |
|
sprintf(s,"Trace: "); |
|
p = strlen(s); |
|
do { |
|
t = tracePopName(); |
|
if (t == NULL) { |
|
s[p] = ';'; s[p+1] = 0; |
|
break; |
|
}else if ((strlen(t) + p) > (TRACE_MSG_SIZE-10)) { |
|
/* fprintf(stderr,"p=%d, TraceNameStackp=%d, strlen(t)=%d, t=%s\n",p,TraceNameStackp,strlen(t),t); */ |
|
strcpy(&(s[p])," ..."); |
|
break; |
|
} |
|
strcpy(&(s[p]),t); p += strlen(t); |
|
strcpy(&(s[p]),"<-"); p += 2; |
|
} while (t != (char *)NULL); |
|
fprintf(stderr,"%s\n",s); |
|
return s; |
|
} |
|
|
|
/* |
|
if (fname != NULL) fname is pushed to the trace stack. |
|
*/ |
|
int executeExecutableArray(struct object ob,char *fname,int withGotoP) { |
|
struct tokens *tokenArray; |
|
int size,i; |
|
int status; |
|
int infixOn; |
|
struct tokens infixToken; |
|
extern int GotoP; |
|
|
|
infixOn = 0; |
|
if (ob.tag != SexecutableArray) errorStackmachine("Error (executeTokenArray): the argument is not a token array."); |
|
|
|
if (fname != NULL) tracePushName(fname); |
|
tokenArray = ob.lc.tokenArray; |
|
size = ob.rc.ival; |
|
for (i=0; i<size; i++) { |
|
status = executeToken(tokenArray[i]); |
|
if ((status & STATUS_BREAK) || (status < 0) || (withGotoP && GotoP)) { |
|
if (fname != NULL) tracePopName(); |
|
return(status); |
|
} |
|
|
|
if (status & STATUS_INFIX) { |
|
if (i == size-1) errorStackmachine("Infix operator at the end of an executable array."); |
|
infixOn = 1; infixToken = tokenArray[i]; |
|
infixToken.tflag |= NO_DELAY; |
|
continue; |
|
}else if (infixOn) { |
|
infixOn = 0; |
|
status = executeToken(infixToken); |
|
if ((status & STATUS_BREAK) || (status < 0) || (withGotoP && GotoP)) { |
|
if (fname != NULL) tracePopName(); |
|
return(status); |
|
} |
|
} |
|
} |
|
if (fname != NULL) tracePopName(); |
|
return(0); /* normal exit */ |
} |
} |