/**************************************************************************
d i c t C r e a t e
** Create and initialize a dictionary with the specified number
** of cells capacity, and no hashing (hash size == 1).
**************************************************************************/
FICL_DICT *dictCreate(unsigned nCells)
{
return dictCreateHashed(nCells, 1);
}
/**************************************************************************
f i c l I n i t S y s t e m
** Binds a global dictionary to the interpreter system.
** You specify the address and size of the allocated area.
** After that, ficl manages it.
** First step is to set up the static pointers to the area.
** Then write the "precompiled" portion of the dictionary in.
** The dictionary needs to be at least large enough to hold the
** precompiled part. Try 1K cells minimum. Use "words" to find
** out how much of the dictionary is used at any time.
**************************************************************************/
FICL_SYSTEM *ficlInitSystemEx(FICL_SYSTEM_INFO *fsi)
{
int nDictCells;
int nEnvCells;
FICL_SYSTEM *pSys = ficlMalloc(sizeof (FICL_SYSTEM));
assert(pSys);
assert(fsi->size == sizeof (FICL_SYSTEM_INFO));
memset(pSys, 0, sizeof (FICL_SYSTEM));
nDictCells = fsi->nDictCells;
if (nDictCells <= 0)
nDictCells = FICL_DEFAULT_DICT;
nEnvCells = fsi->nEnvCells;
if (nEnvCells <= 0)
nEnvCells = FICL_DEFAULT_DICT;
pSys->dp = dictCreateHashed((unsigned)nDictCells, HASHSIZE);
pSys->dp->pForthWords->name = "forth-wordlist";
pSys->envp = dictCreate((unsigned)nEnvCells);
pSys->envp->pForthWords->name = "environment";
pSys->textOut = fsi->textOut;
pSys->pExtend = fsi->pExtend;
#if FICL_WANT_LOCALS
/*
** The locals dictionary is only searched while compiling,
** but this is where speed is most important. On the other
** hand, the dictionary gets emptied after each use of locals
** The need to balance search speed with the cost of the 'empty'
** operation led me to select a single-threaded list...
*/
pSys->localp = dictCreate((unsigned)FICL_MAX_LOCALS * CELLS_PER_WORD);
#endif
/*
** Build the precompiled dictionary and load softwords. We need a temporary
** VM to do this - ficlNewVM links one to the head of the system VM list.
** ficlCompilePlatform (defined in win32.c, for example) adds platform specific words.
*/
ficlCompileCore(pSys);
ficlCompilePrefix(pSys);
#if FICL_WANT_FLOAT
ficlCompileFloat(pSys);
#endif
#if FICL_PLATFORM_EXTEND
ficlCompilePlatform(pSys);
#endif
ficlSetVersionEnv(pSys);
/*
** Establish the parse order. Note that prefixes precede numbers -
** this allows constructs like "0b101010" which might parse as a
** hex value otherwise.
*/
ficlAddPrecompiledParseStep(pSys, "?prefix", ficlParsePrefix);
ficlAddPrecompiledParseStep(pSys, "?number", ficlParseNumber);
#if FICL_WANT_FLOAT
ficlAddPrecompiledParseStep(pSys, ">float", ficlParseFloatNumber);
#endif
/*
** Now create a temporary VM to compile the softwords. Since all VMs are
** linked into the vmList of FICL_SYSTEM, we don't have to pass the VM
** to ficlCompileSoftCore -- it just hijacks whatever it finds in the VM list.
** ficl 2.05: vmCreate no longer depends on the presence of INTERPRET in the
** dictionary, so a VM can be created before the dictionary is built. It just
** can't do much...
*/
ficlNewVM(pSys);
ficlCompileSoftCore(pSys);
ficlFreeVM(pSys->vmList);
return pSys;
}
