/*
* Initialise the Forth interpreter, create all our commands as words.
*/
void
bf_init(void)
{
struct bootblk_command **cmdp;
char create_buf[41]; /* 31 characters-long builtins */
int fd;
ficlInitSystem(8000); /* Default dictionary ~4000 cells */
bf_vm = ficlNewVM();
/* Builtin constructor word */
ficlExec(bf_vm, BUILTIN_CONSTRUCTOR, -1);
/* make all commands appear as Forth words */
SET_FOREACH(cmdp, Xcommand_set) {
ficlBuild((*cmdp)->c_name, bf_command, FW_DEFAULT);
sprintf(create_buf, "builtin: %s", (*cmdp)->c_name);
ficlExec(bf_vm, create_buf, -1);
}
/*
* Initialise the Forth interpreter, create all our commands as words.
*/
void
bf_init(void)
{
struct bootblk_command **cmdp;
char create_buf[41]; /* 31 characters-long builtins */
int fd;
bf_sys = ficlInitSystem(10000); /* Default dictionary ~4000 cells */
bf_vm = ficlNewVM(bf_sys);
/* Put all private definitions in a "builtins" vocabulary */
ficlExec(bf_vm, "vocabulary builtins also builtins definitions");
/* Builtin constructor word */
ficlExec(bf_vm, BUILTIN_CONSTRUCTOR);
/* make all commands appear as Forth words */
SET_FOREACH(cmdp, Xcommand_set) {
ficlBuild(bf_sys, (char *)(*cmdp)->c_name, bf_command, FW_DEFAULT);
ficlExec(bf_vm, "forth definitions builtins");
sprintf(create_buf, "builtin: %s", (*cmdp)->c_name);
ficlExec(bf_vm, create_buf);
ficlExec(bf_vm, "builtins definitions");
}
int ficlExecFD(FICL_VM *pVM, int fd)
{
char cp[nLINEBUF];
int nLine = 0, rval = VM_OUTOFTEXT;
char ch;
CELL id;
id = pVM->sourceID;
pVM->sourceID.i = fd;
/* feed each line to ficlExec */
while (1) {
int status, i;
i = 0;
while ((status = read(fd, &ch, 1)) > 0 && ch != '\n')
cp[i++] = ch;
nLine++;
if (!i) {
if (status < 1)
break;
continue;
}
rval = ficlExecC(pVM, cp, i);
if(rval != VM_QUIT && rval != VM_USEREXIT && rval != VM_OUTOFTEXT)
{
pVM->sourceID = id;
return rval;
}
}
/*
** Pass an empty line with SOURCE-ID == -1 to flush
** any pending REFILLs (as required by FILE wordset)
*/
pVM->sourceID.i = -1;
ficlExec(pVM, "");
pVM->sourceID = id;
return rval;
}
int main(int argc, char **argv)
{
char in[256];
FICL_VM *pVM;
FICL_SYSTEM *pSys;
pSys = ficlInitSystem(10000);
buildTestInterface(pSys);
pVM = ficlNewVM(pSys);
ficlEvaluate(pVM, ".ver .( " __DATE__ " ) cr quit");
/*
** load file from cmd line...
*/
if (argc > 1)
{
sprintf(in, ".( loading %s ) cr load %s\n cr", argv[1], argv[1]);
ficlEvaluate(pVM, in);
}
for (;;)
{
int ret;
if (fgets(in, sizeof(in) - 1, stdin) == NULL)
break;
ret = ficlExec(pVM, in);
if (ret == VM_USEREXIT)
{
ficlTermSystem(pSys);
break;
}
}
return 0;
}
static void ficlIncludeFile(FICL_VM *pVM) /* ( i*x fileid -- j*x ) */
{
ficlFILE *ff = (ficlFILE *)stackPopPtr(pVM->pStack);
CELL id = pVM->sourceID;
int result = VM_OUTOFTEXT;
long currentPosition, totalSize;
long size;
pVM->sourceID.p = (void *)ff;
currentPosition = ftell(ff->f);
totalSize = fileSize(ff->f);
size = totalSize - currentPosition;
if ((totalSize != -1) && (currentPosition != -1) && (size > 0))
{
char *buffer = (char *)malloc(size);
long got = fread(buffer, 1, size, ff->f);
if (got == size)
result = ficlExecC(pVM, buffer, size);
}
#if 0
ficlFILE *ff = (ficlFILE *)stackPopPtr(pVM->pStack);
CELL id = pVM->sourceID;
char cp[nLINEBUF];
int nLine = 0;
int keepGoing;
int result;
pVM->sourceID.p = (void *)ff;
/* feed each line to ficlExec */
keepGoing = TRUE;
while (keepGoing && fgets(cp, nLINEBUF, ff->f))
{
int len = strlen(cp) - 1;
nLine++;
if (len <= 0)
continue;
if (cp[len] == '\n')
cp[len] = '\0';
result = ficlExec(pVM, cp);
switch (result)
{
case VM_OUTOFTEXT:
case VM_USEREXIT:
break;
default:
pVM->sourceID = id;
keepGoing = FALSE;
break;
}
}
#endif /* 0 */
/*
** Pass an empty line with SOURCE-ID == -1 to flush
** any pending REFILLs (as required by FILE wordset)
*/
pVM->sourceID.i = -1;
ficlExec(pVM, "");
pVM->sourceID = id;
closeFiclFILE(ff);
}
static void ficlLoad(FICL_VM *pVM)
{
char cp[nLINEBUF];
char filename[nLINEBUF];
FICL_STRING *pFilename = (FICL_STRING *)filename;
int nLine = 0;
FILE *fp;
int result;
CELL id;
struct stat buf;
vmGetString(pVM, pFilename, '\n');
if (pFilename->count <= 0)
{
vmTextOut(pVM, "Warning (load): nothing happened", 1);
return;
}
/*
** get the file's size and make sure it exists
*/
result = stat( pFilename->text, &buf );
if (result != 0)
{
vmTextOut(pVM, "Unable to stat file: ", 0);
vmTextOut(pVM, pFilename->text, 1);
vmThrow(pVM, VM_QUIT);
}
fp = fopen(pFilename->text, "r");
if (!fp)
{
vmTextOut(pVM, "Unable to open file ", 0);
vmTextOut(pVM, pFilename->text, 1);
vmThrow(pVM, VM_QUIT);
}
id = pVM->sourceID;
pVM->sourceID.p = (void *)fp;
/* feed each line to ficlExec */
while (fgets(cp, nLINEBUF, fp))
{
int len = strlen(cp) - 1;
nLine++;
if (len <= 0)
continue;
result = ficlExecC(pVM, cp, len);
if (result != VM_QUIT && result != VM_USEREXIT && result != VM_OUTOFTEXT )
{
pVM->sourceID = id;
fclose(fp);
vmThrowErr(pVM, "Error loading file <%s> line %d", pFilename->text, nLine);
break;
}
}
/*
** Pass an empty line with SOURCE-ID == -1 to flush
** any pending REFILLs (as required by FILE wordset)
*/
pVM->sourceID.i = -1;
ficlExec(pVM, "");
pVM->sourceID = id;
fclose(fp);
/* handle "bye" in loaded files. --lch */
if (result == VM_USEREXIT)
vmThrow(pVM, VM_USEREXIT);
return;
}
