node* readModule(FILE *hatFile, unsigned long offset)
{
node *newNode = (node *)malloc(sizeof(node));
char tag;
newNode->nodeType = Module;
newNode->offset = offset;
setFilePos(hatFile, offset);
tag = readByte(hatFile);
newNode->params.module.name = readString(hatFile);
newNode->params.module.filename = readString(hatFile);
newNode->params.module.wasTraced = tracedModule(tag);
return newNode;
}
void
nextnode (void)
{
FileOffset offset = nextoffset;
char b;
int marked, err;
err = fread(&b,sizeof(char),1,f); nextoffset+=1;
if (err!=1) return;
if (rmode || xmode) {
marked = ismarked(b);
if (marked) {
cleartag(&b);
newtagat(&b, offset);
}
if (amode) printf("%s", (marked ? "=> " : " "));
}
{
int k = lo5(b);
if ((ExpDoStmt<k && k<AtomVariable) || k>ListCons) {
fprintf(stderr, "strange tag %d at byte offset 0x%x\n",
k, offset);
exit(1);
} else if (smode) {
count[k]++;
if (rmode && marked) reachcount[k]++;
}
switch (k) {
case ListCons:
if (gmode) printf("%d [label=\"0x%x ListCons\"]\n", offset, offset);
if (amode) printf("0x%x: %-20s\t", offset, tag2str(k));
if (amode) printf("elem=");
dopointer(NONZERO, ANYEXP, readpointer(), k, offset, "e");
if (amode) printf(" tail=");
dopointer(MAYBEZERO, ListCons, readpointer(), k, offset, "t");
break;
case Module:
if (amode) {
if (tracedModule(b))
printf("0x%x: Module (suspect) \t", offset);
else printf("0x%x: Module (trusted) \t", offset);
}
{ char *s = readstring(); if (amode) printf("%s\t", s); }
{ char *s = readstring(); if (amode) printf("\"%s\"", s); }
break;
case SrcPos:
if (amode) printf("0x%x: SrcPos\t\t\t", offset);
dopointer(NONZERO, Module, readpointer(), k, offset, "");
{ char *p = readposn(); if (amode) printf(" %s", p); }
break;
case AtomVariable:
if (amode) {
if (localDef(b))
printf("0x%x: AtomVariable (local)\t", offset);
else printf("0x%x: AtomVariable (toplevel)\t", offset);
}
if (gmode) printf("%d [label=\"0x%x AtomVariable", offset, offset);
dopointer(NONZERO, Module, readpointer(), k, offset, "");
{ char *p = readposn(); if (amode) printf(" %s", p); }
{ char *fp = readfixpri(); if (*fp!='\0' && amode) printf("%s ", fp); }
{ unsigned int a = readarity();
if (amode || gmode) printf(amode ? " arity=%u," : " %u", a); }
{ char *n = readstring(); if (amode || gmode) printf(" %s", n); }
if (gmode) printf("\"]\n");
break;
case AtomConstructor:
if (amode) printf("0x%x: %-20s\t", offset, tag2str(k));
if (gmode) printf("%d [label=\"0x%x AtomConstructor", offset, offset);
dopointer(NONZERO, Module, readpointer(), k, offset, "");
{ char *p = readposn(); if (amode) printf(" %s", p); }
{ char *fp = readfixpri(); if (*fp!='\0' && amode) printf("%s", fp); }
{ unsigned int a = readarity();
if (amode || gmode) printf(amode ? " arity=%u," : " %u", a);
{ char *n = readstring(); if (amode || gmode) printf(" %s", n); }
if (gmode) printf("\"]\n");
if hasFields(b) {
int i;
if (amode) printf(" fields:");
for (i=1; i<=a; i++) {
dopointer(NONZERO, AtomVariable, readpointer(), k, offset,
(gmode ? (sprintf(stringbuf,"%d",i), stringbuf) : "")
);
}
}
}
break;
case AtomAbstract:
if (amode) printf("0x%x: %-20s\t", offset, tag2str(k));
if (gmode) printf("%d [label=\"0x%x AtomAbstract ", offset, offset);
{ char *s = readstring(); if (amode || gmode) printf("%s", s); }
if (gmode) printf("\"]\n");
break;
default: {
if (amode) printf("0x%x: %-20s\t", offset, tag2str(k));
if (hasSrcPos(b)) {
if (amode) printf("use=");
dopointer(NONZERO, SrcPos, readpointer(), k, offset, "");
if (amode) printf(" ");
}
// if (amode && (ExpChar <= k) && (k <= ExpConstUse)) {
// printf("(");
// if (!isEntered(b)) printf("not ");
// printf("entered) ");
// }
switch (k) {
case ExpApp:
if (amode) printf("parent=");
dopointer(MAYBEZERO, ANYEXP, readpointer(), k, offset, "p");
if (amode) printf(" result=");
dopointer(MAYBEZERO, ANYEXP, readpointer(), k, offset, "r");
if (amode) printf(" fun=");
dopointer(NONZERO, ANYEXP, readpointer(), k, offset, "f");
if (gmode) printf("%d [label=\"0x%x ExpApp", offset, offset);
{ unsigned int a = readarity();
int i;
if (amode || gmode)
printf(amode ? " arity=%u, args " : " %u\"]\n",a);
for (i=1; i<=a; i++)
dopointer(NONZERO, ANYEXP, readpointer(), k, offset,
(gmode ? (sprintf(stringbuf,"%d",i), stringbuf) : "")
);
}
break;
case ExpValueApp:
if (amode) printf("parent=");
dopointer(MAYBEZERO, ANYEXP, readpointer(), k, offset, "p");
if (amode) printf(" fun=");
dopointer(NONZERO, ANYATOM, readpointer(), k, offset, "f");
if (gmode) printf("%d [label=\"0x%x ExpValueApp", offset, offset);
{ unsigned int a = readarity();
int i;
if (amode || gmode)
printf(amode ? " arity=%u, args " : " %u\"]\n",a);
for (i=1; i<=a; i++)
dopointer(NONZERO, ANYEXP, readpointer(), k, offset,
(gmode ? (sprintf(stringbuf,"%d",i), stringbuf) : "")
);
}
break;
case ExpChar:
if (amode) printf("parent=");
dopointer(MAYBEZERO, ANYEXP, readpointer(), k, offset, "p");
{ char c = nextbyte();
if (gmode) printf("%d [label=\"ExpChar", offset);
if (amode || gmode) printf(" '%c'", c);
if (gmode) printf("\"]\n");
}
break;
case ExpInt:
if (amode) printf("parent=");
dopointer(MAYBEZERO, ANYEXP, readpointer(), k, offset, "p");
{ int i; i = readfourbytes();
if (gmode) printf("%d [label=\"ExpInt", offset);
if (amode || gmode) printf(" %d", i);
if (gmode) printf("\"]\n");
}
break;
case ExpInteger:
if (amode) printf("parent=");
dopointer(MAYBEZERO, ANYEXP, readpointer(), k, offset, "p");
{ char* i; i = readinteger();
if (gmode) printf("%d [label=\"ExpInteger", offset);
if (amode || gmode) printf(" %s", i);
if (gmode) printf("\"]\n");
}
break;
case ExpRat:
if (amode) printf("parent=");
dopointer(MAYBEZERO, ANYEXP, readpointer(), k, offset, "p");
{ int n,d; n=readfourbytes(); d=readfourbytes();
if (gmode) printf("%d [label=\"ExpRat", offset);
if (amode || gmode) printf(" %d%%%d", n,d);
if (gmode) printf("\"]\n");
}
break;
case ExpRational:
if (amode) printf("parent=");
dopointer(MAYBEZERO, ANYEXP, readpointer(), k, offset, "p");
{ char* r = readrational();
if (gmode) printf("%d [label=\"ExpRational", offset);
if (amode || gmode) printf(" %s", r);
if (gmode) printf("\"]\n");
}
break;
case ExpFloat:
if (amode) printf("parent=");
dopointer(MAYBEZERO, ANYEXP, readpointer(), k, offset, "p");
{ float f = readfloat();
if (gmode) printf("%d [label=\"ExpFloat", offset);
if (amode || gmode) printf(" %f", f);
if (gmode) printf("\"]\n");
}
break;
case ExpDouble:
if (amode) printf("parent=");
dopointer(MAYBEZERO, ANYEXP, readpointer(), k, offset, "p");
{ double d = readdouble();
if (gmode) printf("%d [label=\"ExpDouble", offset);
if (amode || gmode) printf(" %f", d);
if (gmode) printf("\"]\n");
}
break;
case ExpValueUse:
if (gmode) printf("%d [label=\"0x%x ExpValueUse\"]\n", offset, offset);
if (amode) printf("parent=");
dopointer(MAYBEZERO, ANYEXP, readpointer(), k, offset, "p");
if (amode) printf(" value=");
dopointer(MAYBELAMBDA, ANYATOM, readpointer(), ExpValueUse, offset,"v");
break;
case ExpConstUse:
if (gmode) printf("%d [label=\"0x%x ExpConstUse\"]\n", offset, offset);
if (amode) printf("parent=");
dopointer(MAYBEZERO, ANYEXP, readpointer(), k, offset, "p");
if (amode) printf(" const=");
dopointer(NONZERO, ExpConstDef, readpointer(), k, offset, "c");
break;
case ExpConstDef:
if (gmode) printf("%d [label=\"0x%x ExpConstDef\"]\n", offset, offset);
if (amode) printf("parent=");
dopointer(MAYBEZERO, ANYEXP, readpointer(), k, offset, "p");
if (amode) printf(" result=");
dopointer(MAYBEZERO, ANYEXP, readpointer(), k, offset, "r");
if (amode) printf(" var=");
dopointer(NONZERO, AtomVariable, readpointer(), k, offset, "v");
break;
case ExpGuard:
case ExpCase:
case ExpIf:
if (gmode) printf("%d [label=\"0x%x %s\"]\n", offset, offset,
k==ExpGuard ? "ExpGuard" : k==ExpCase ? "ExpCase" : "ExpIf");
if (amode) printf("parent=");
dopointer(MAYBEZERO, ANYEXP, readpointer(), k, offset, "p");
if (amode) printf(" result=");
dopointer(MAYBEZERO, ANYEXP, readpointer(), k, offset, "r");
if (amode) printf(" cond=");
dopointer(NONZERO, ANYEXP, readpointer(), k, offset, "c");
break;
case ExpFieldUpdate:
if (amode) printf("parent=");
dopointer(MAYBEZERO, ANYEXP, readpointer(), k, offset, "p");
if (amode) printf(" result=");
dopointer(MAYBEZERO, ANYEXP, readpointer(), k, offset, "r");
if (amode) printf(" arg=");
dopointer(NONZERO, ANYEXP, readpointer(), k, offset, "a");
{ unsigned int i, arity = readarity();
if (gmode) printf("%d [label=\"0x%x ExpFieldUpdate %u\"]\n", offset, offset, arity);
if (amode) printf(" arity=%u, binders ",arity);
for (i=0; i<arity; i++) {
dopointer(NONZERO, AtomVariable, readpointer(), k, offset, "");
}
if (amode) printf(", bindees ",arity);
for (i=0; i<arity; i++) {
dopointer(NONZERO, ANYEXP, readpointer(), k, offset, "");
}
}
break;
case ExpProjection:
if (gmode) printf("%d [label=\"0x%x ExpProjection\"]\n", offset, offset);
if (amode) printf("parent=");
dopointer(MAYBEZERO, ANYEXP, readpointer(), k, offset, "p");
if (amode) printf(" exp=");
dopointer(NONZERO, ANYEXP, readpointer(), k, offset, "e");
break;
case ExpHidden:
if (gmode) printf("%d [label=\"0x%x ExpHidden\"]\n", offset, offset);
if (amode) printf("parent=");
dopointer(MAYBEZERO, ANYEXP, readpointer(), k, offset, "p");
if (amode) printf(" result=");
dopointer(MAYBEZERO, ANYEXP, readpointer(), k, offset, "r");
if (amode) printf(" children=");
dopointer(MAYBEZERO, ListCons, readpointer(), k, offset, "c");
break;
case ExpForward:
if (gmode) printf("%d [label=\"0x%x ExpForward\"]\n", offset, offset);
if (amode) printf("result=");
dopointer(NONZERO, ANYEXP, readpointer(), k, offset, "r");
break;
case ExpDoStmt:
if (gmode) printf("%d [label=\"0x%x ExpDoStmt\"]\n", offset, offset);
if (amode) printf("stmt=");
dopointer(NONZERO, ANYEXP, readpointer(), k, offset, "s");
break;
}
}}
if (amode) printf("\n");
if (smode) space[k] += nextoffset - offset;
}
}
