/**************************************************************************
f i c l C a l l b a c k E r r o r O u t
** Feeds text to the vm's error output callback
**************************************************************************/
void ficlCallbackErrorOut(ficlCallback *callback, char *text)
{
ficlOutputFunction errorOut = NULL;
if (callback != NULL)
{
if (callback->errorOut != NULL)
errorOut = callback->errorOut;
else if ((callback->system != NULL) && (callback != &(callback->system->callback)))
{
ficlCallbackErrorOut(&(callback->system->callback), text);
return;
}
}
if ((errorOut == NULL) && (ficlSystemGlobal != NULL))
{
callback = &(ficlSystemGlobal->callback);
errorOut = callback->errorOut;
}
if (errorOut == NULL)
{
ficlCallbackTextOut(callback, text);
return;
}
(errorOut)(callback, text);
return;
}
/**************************************************************************
f i c l C a l l b a c k T e x t O u t
** Feeds text to the vm's output callback
**************************************************************************/
void ficlCallbackTextOut(ficlCallback *callback, char *text)
{
ficlOutputFunction textOut = NULL;
if (callback != NULL)
{
if (callback->textOut != NULL)
textOut = callback->textOut;
else if ((callback->system != NULL) && (callback != &(callback->system->callback)))
{
ficlCallbackTextOut(&(callback->system->callback), text);
return;
}
}
if ((textOut == NULL) && (ficlSystemGlobal != NULL))
{
callback = &(ficlSystemGlobal->callback);
textOut = callback->textOut;
}
if (textOut == NULL)
textOut = ficlCallbackDefaultTextOut;
(textOut)(callback, text);
return;
}
void ficlCallbackAssert(ficlCallback *callback, int expression, char *expressionString, char *filename, int line)
#if FICL_ROBUST >= 1
{
if (!expression)
{
static char buffer[256];
sprintf(buffer, "ASSERTION FAILED at %s:%d: \"%s\"\n", filename, line, expressionString);
ficlCallbackTextOut(callback, buffer);
exit(-1);
}
}
void
ficlDictionarySee(ficlDictionary *dictionary, ficlWord *word,
ficlCallback *callback)
{
char *trace;
ficlCell *cell = word->param;
ficlCell *param0 = cell;
char buffer[128];
for (; cell->i != ficlInstructionSemiParen; cell++) {
ficlWord *word = (ficlWord *)(cell->p);
trace = buffer;
if ((void *)cell == (void *)buffer)
*trace++ = '>';
else
*trace++ = ' ';
trace += sprintf(trace, "%3ld ", (long)(cell - param0));
if (ficlDictionaryIsAWord(dictionary, word)) {
ficlWordKind kind = ficlWordClassify(word);
ficlCell c, c2;
switch (kind) {
case FICL_WORDKIND_INSTRUCTION:
(void) sprintf(trace, "%s (instruction %ld)",
ficlDictionaryInstructionNames[(long)word],
(long)word);
break;
case FICL_WORDKIND_INSTRUCTION_WITH_ARGUMENT:
c = *++cell;
(void) sprintf(trace, "%s (instruction %ld), "
"with argument %ld (%#lx)",
ficlDictionaryInstructionNames[(long)word],
(long)word, (long)c.i, (unsigned long)c.u);
break;
case FICL_WORDKIND_INSTRUCTION_WORD:
(void) sprintf(trace,
"%s :: executes %s (instruction word %ld)",
word->name,
ficlDictionaryInstructionNames[
(long)word->code], (long)word->code);
break;
case FICL_WORDKIND_LITERAL:
c = *++cell;
if (ficlDictionaryIsAWord(dictionary, c.p) &&
(c.i >= ficlInstructionLast)) {
ficlWord *word = (ficlWord *)c.p;
(void) sprintf(trace,
"%.*s ( %#lx literal )",
word->length, word->name,
(unsigned long)c.u);
} else
(void) sprintf(trace,
"literal %ld (%#lx)", (long)c.i,
(unsigned long)c.u);
break;
case FICL_WORDKIND_2LITERAL:
c = *++cell;
c2 = *++cell;
(void) sprintf(trace,
"2literal %ld %ld (%#lx %#lx)",
(long)c2.i, (long)c.i, (unsigned long)c2.u,
(unsigned long)c.u);
break;
#if FICL_WANT_FLOAT
case FICL_WORDKIND_FLITERAL:
c = *++cell;
(void) sprintf(trace, "fliteral %f (%#lx)",
(double)c.f, (unsigned long)c.u);
break;
#endif /* FICL_WANT_FLOAT */
case FICL_WORDKIND_STRING_LITERAL: {
ficlCountedString *counted;
counted = (ficlCountedString *)(void *)++cell;
cell = (ficlCell *)
ficlAlignPointer(counted->text +
counted->length + 1) - 1;
(void) sprintf(trace, "s\" %.*s\"",
counted->length, counted->text);
}
break;
case FICL_WORDKIND_CSTRING_LITERAL: {
ficlCountedString *counted;
counted = (ficlCountedString *)(void *)++cell;
cell = (ficlCell *)
ficlAlignPointer(counted->text +
counted->length + 1) - 1;
(void) sprintf(trace, "c\" %.*s\"",
counted->length, counted->text);
}
break;
case FICL_WORDKIND_BRANCH0:
c = *++cell;
(void) sprintf(trace, "branch0 %ld",
(long)(cell + c.i - param0));
break;
case FICL_WORDKIND_BRANCH:
c = *++cell;
(void) sprintf(trace, "branch %ld",
(long)(cell + c.i - param0));
break;
case FICL_WORDKIND_QDO:
c = *++cell;
(void) sprintf(trace, "?do (leave %ld)",
(long)((ficlCell *)c.p - param0));
break;
case FICL_WORDKIND_DO:
c = *++cell;
(void) sprintf(trace, "do (leave %ld)",
(long)((ficlCell *)c.p - param0));
break;
case FICL_WORDKIND_LOOP:
c = *++cell;
(void) sprintf(trace, "loop (branch %ld)",
(long)(cell + c.i - param0));
break;
case FICL_WORDKIND_OF:
c = *++cell;
(void) sprintf(trace, "of (branch %ld)",
(long)(cell + c.i - param0));
break;
case FICL_WORDKIND_PLOOP:
c = *++cell;
(void) sprintf(trace, "+loop (branch %ld)",
(long)(cell + c.i - param0));
break;
default:
(void) sprintf(trace, "%.*s", word->length,
word->name);
break;
}
} else {
/* probably not a word - punt and print value */
(void) sprintf(trace, "%ld ( %#lx )", (long)cell->i,
(unsigned long)cell->u);
}
ficlCallbackTextOut(callback, buffer);
ficlCallbackTextOut(callback, "\n");
}
ficlCallbackTextOut(callback, ";\n");
}