/**************************************************************************
f i c l - w o r d l i s t
** SEARCH ( -- wid )
** Create a new empty word list, returning its word list identifier wid.
** The new word list may be returned from a pool of preallocated word
** lists or may be dynamically allocated in data space. A system shall
** allow the creation of at least 8 new word lists in addition to any
** provided as part of the system.
** Notes:
** 1. ficl creates a new single-list hash in the dictionary and returns
** its address.
** 2. ficl-wordlist takes an arg off the stack indicating the number of
** hash entries in the wordlist. Ficl 2.02 and later define WORDLIST as
** : wordlist 1 ficl-wordlist ;
**************************************************************************/
static void ficlWordlist(FICL_VM *pVM)
{
FICL_DICT *dp = vmGetDict(pVM);
FICL_HASH *pHash;
FICL_UNS nBuckets;
#if FICL_ROBUST > 1
vmCheckStack(pVM, 1, 1);
#endif
nBuckets = stackPopUNS(pVM->pStack);
pHash = dictCreateWordlist(dp, nBuckets);
stackPushPtr(pVM->pStack, pHash);
return;
}
/**************************************************************************
f i c l C o m p i l e P r e f i x
** Build prefix support into the dictionary and the parser
** Note: since prefixes always execute, they are effectively IMMEDIATE.
** If they need to generate code in compile state you must add
** this code explicitly.
**************************************************************************/
void ficlCompilePrefix(FICL_SYSTEM *pSys)
{
FICL_DICT *dp = pSys->dp;
FICL_HASH *pHash;
FICL_HASH *pPrevCompile = dp->pCompile;
#if (FICL_EXTENDED_PREFIX)
FICL_WORD *pFW;
#endif
/*
** Create a named wordlist for prefixes to reside in...
** Since we're doing a special kind of search, make it
** a single bucket hashtable - hashing does not help here.
*/
pHash = dictCreateWordlist(dp, 1);
pHash->name = list_name;
dictAppendWord(dp, list_name, constantParen, FW_DEFAULT);
dictAppendCell(dp, LVALUEtoCELL(pHash));
/*
** Put __tempbase in the forth-wordlist
*/
dictAppendWord(dp, "__tempbase", fTempBase, FW_DEFAULT);
/*
** Temporarily make the prefix list the compile wordlist so that
** we can create some precompiled prefixes.
*/
dp->pCompile = pHash;
dictAppendWord(dp, "0x", prefixHex, FW_DEFAULT);
dictAppendWord(dp, "0d", prefixTen, FW_DEFAULT);
#if (FICL_EXTENDED_PREFIX)
pFW = ficlLookup(pSys, "\\");
if (pFW)
{
dictAppendWord(dp, "//", pFW->code, FW_DEFAULT);
}
#endif
dp->pCompile = pPrevCompile;
return;
}
