ts_parse.c File Reference

#include "postgres.h"
#include "tsearch/ts_cache.h"
#include "tsearch/ts_utils.h"
#include "varatt.h"

Include dependency graph for ts_parse.c:

Go to the source code of this file.

Data Structures
struct	ParsedLex
struct	ListParsedLex
struct	LexizeData

Macros
#define	IGNORE_LONGLEXEME   1

Typedefs
typedef struct ParsedLex	ParsedLex
typedef struct ListParsedLex	ListParsedLex

Functions
static void	LexizeInit (LexizeData *ld, TSConfigCacheEntry *cfg)
static void	LPLAddTail (ListParsedLex *list, ParsedLex *newpl)
static ParsedLex *	LPLRemoveHead (ListParsedLex *list)
static void	LexizeAddLemm (LexizeData *ld, int type, char *lemm, int lenlemm)
static void	RemoveHead (LexizeData *ld)
static void	setCorrLex (LexizeData *ld, ParsedLex **correspondLexem)
static void	moveToWaste (LexizeData *ld, ParsedLex *stop)
static void	setNewTmpRes (LexizeData *ld, ParsedLex *lex, TSLexeme *res)
static TSLexeme *	LexizeExec (LexizeData *ld, ParsedLex **correspondLexem)
void	parsetext (Oid cfgId, ParsedText *prs, char *buf, int buflen)
static void	hladdword (HeadlineParsedText *prs, char *buf, int buflen, int type)
static void	hlfinditem (HeadlineParsedText *prs, TSQuery query, int32 pos, char *buf, int buflen)
static void	addHLParsedLex (HeadlineParsedText *prs, TSQuery query, ParsedLex *lexs, TSLexeme *norms)
void	hlparsetext (Oid cfgId, HeadlineParsedText *prs, TSQuery query, char *buf, int buflen)
text *	generateHeadline (HeadlineParsedText *prs)

Macro Definition Documentation

IGNORE_LONGLEXEME

#define IGNORE_LONGLEXEME   1

Definition at line 21 of file ts_parse.c.

Typedef Documentation

ListParsedLex

typedef struct ListParsedLex ListParsedLex

ParsedLex

typedef struct ParsedLex ParsedLex

Function Documentation

addHLParsedLex()

static void addHLParsedLex ( HeadlineParsedText *  prs, TSQuery  query, ParsedLex *  lexs, TSLexeme *  norms  )

static

Definition at line 499 of file ts_parse.c.

{
    ParsedLex  *tmplexs;
    TSLexeme   *ptr;
    int32       savedpos;
 
    while (lexs)
    {
        if (lexs->type > 0)
            hladdword(prs, lexs->lemm, lexs->lenlemm, lexs->type);
 
        ptr = norms;
        savedpos = prs->vectorpos;
        while (ptr && ptr->lexeme)
        {
            if (ptr->flags & TSL_ADDPOS)
                savedpos++;
            hlfinditem(prs, query, savedpos, ptr->lexeme, strlen(ptr->lexeme));
            ptr++;
        }
 
        tmplexs = lexs->next;
        pfree(lexs);
        lexs = tmplexs;
    }
 
    if (norms)
    {
        ptr = norms;
        while (ptr->lexeme)
        {
            if (ptr->flags & TSL_ADDPOS)
                prs->vectorpos++;
            pfree(ptr->lexeme);
            ptr++;
        }
        pfree(norms);
    }
}

References fb(), TSLexeme::flags, hladdword(), hlfinditem(), TSLexeme::lexeme, pfree(), TSL_ADDPOS, and HeadlineParsedText::vectorpos.

Referenced by hlparsetext().

generateHeadline()

text * generateHeadline

(

HeadlineParsedText *

prs

)

Definition at line 607 of file ts_parse.c.

{
    text       *out;
    char       *ptr;
    int         len = 128;
    int         numfragments = 0;
    int16       infrag = 0;
 
    HeadlineWordEntry *wrd = prs->words;
 
    out = (text *) palloc(len);
    ptr = ((char *) out) + VARHDRSZ;
 
    while (wrd - prs->words < prs->curwords)
    {
        while (wrd->len + prs->stopsellen + prs->startsellen + prs->fragdelimlen + (ptr - ((char *) out)) >= len)
        {
            int         dist = ptr - ((char *) out);
 
            len *= 2;
            out = (text *) repalloc(out, len);
            ptr = ((char *) out) + dist;
        }
 
        if (wrd->in && !wrd->repeated)
        {
            if (!infrag)
            {
 
                /* start of a new fragment */
                infrag = 1;
                numfragments++;
                /* add a fragment delimiter if this is after the first one */
                if (numfragments > 1)
                {
                    memcpy(ptr, prs->fragdelim, prs->fragdelimlen);
                    ptr += prs->fragdelimlen;
                }
            }
            if (wrd->replace)
            {
                *ptr = ' ';
                ptr++;
            }
            else if (!wrd->skip)
            {
                if (wrd->selected)
                {
                    memcpy(ptr, prs->startsel, prs->startsellen);
                    ptr += prs->startsellen;
                }
                memcpy(ptr, wrd->word, wrd->len);
                ptr += wrd->len;
                if (wrd->selected)
                {
                    memcpy(ptr, prs->stopsel, prs->stopsellen);
                    ptr += prs->stopsellen;
                }
            }
        }
        else if (!wrd->repeated)
        {
            if (infrag)
                infrag = 0;
            pfree(wrd->word);
        }
 
        wrd++;
    }
 
    SET_VARSIZE(out, ptr - ((char *) out));
    return out;
}

References HeadlineParsedText::curwords, fb(), HeadlineParsedText::fragdelim, HeadlineParsedText::fragdelimlen, len, palloc(), pfree(), repalloc(), SET_VARSIZE(), HeadlineParsedText::startsel, HeadlineParsedText::startsellen, HeadlineParsedText::stopsel, HeadlineParsedText::stopsellen, VARHDRSZ, and HeadlineParsedText::words.

Referenced by headline_json_value(), and ts_headline_byid_opt().

hladdword()

static void hladdword ( HeadlineParsedText *  prs, char *  buf, int  buflen, int  type  )

static

Definition at line 440 of file ts_parse.c.

{
    if (prs->curwords >= prs->lenwords)
    {
        prs->lenwords *= 2;
        prs->words = (HeadlineWordEntry *) repalloc(prs->words, prs->lenwords * sizeof(HeadlineWordEntry));
    }
    memset(&(prs->words[prs->curwords]), 0, sizeof(HeadlineWordEntry));
    prs->words[prs->curwords].type = (uint8) type;
    prs->words[prs->curwords].len = buflen;
    prs->words[prs->curwords].word = palloc(buflen);
    memcpy(prs->words[prs->curwords].word, buf, buflen);
    prs->curwords++;
}

References buf, HeadlineParsedText::curwords, fb(), HeadlineWordEntry::len, HeadlineParsedText::lenwords, palloc(), repalloc(), type, HeadlineWordEntry::type, HeadlineWordEntry::word, and HeadlineParsedText::words.

Referenced by addHLParsedLex().

hlfinditem()

static void hlfinditem ( HeadlineParsedText *  prs, TSQuery  query, int32  pos, char *  buf, int  buflen  )

static

Definition at line 464 of file ts_parse.c.

{
    int         i;
    QueryItem  *item = GETQUERY(query);
    HeadlineWordEntry *word;
 
    while (prs->curwords + query->size >= prs->lenwords)
    {
        prs->lenwords *= 2;
        prs->words = (HeadlineWordEntry *) repalloc(prs->words, prs->lenwords * sizeof(HeadlineWordEntry));
    }
 
    word = &(prs->words[prs->curwords - 1]);
    word->pos = LIMITPOS(pos);
    for (i = 0; i < query->size; i++)
    {
        if (item->type == QI_VAL &&
            tsCompareString(GETOPERAND(query) + item->qoperand.distance, item->qoperand.length,
                            buf, buflen, item->qoperand.prefix) == 0)
        {
            if (word->item)
            {
                memcpy(&(prs->words[prs->curwords]), word, sizeof(HeadlineWordEntry));
                prs->words[prs->curwords].item = &item->qoperand;
                prs->words[prs->curwords].repeated = 1;
                prs->curwords++;
            }
            else
                word->item = &item->qoperand;
        }
        item++;
    }
}

References buf, HeadlineParsedText::curwords, QueryOperand::distance, fb(), GETOPERAND, GETQUERY, i, HeadlineWordEntry::item, QueryOperand::length, HeadlineParsedText::lenwords, LIMITPOS, HeadlineWordEntry::pos, QueryOperand::prefix, QI_VAL, QueryItem::qoperand, repalloc(), HeadlineWordEntry::repeated, TSQueryData::size, tsCompareString(), QueryItem::type, word(), and HeadlineParsedText::words.

Referenced by addHLParsedLex().

hlparsetext()

void hlparsetext	(	Oid	cfgId,
		HeadlineParsedText *	prs,
		TSQuery	query,
		char *	buf,
		int	buflen
	)

Definition at line 540 of file ts_parse.c.

{
    int         type,
                lenlemm = 0;    /* silence compiler warning */
    char       *lemm = NULL;
    LexizeData  ldata;
    TSLexeme   *norms;
    ParsedLex  *lexs;
    TSConfigCacheEntry *cfg;
    TSParserCacheEntry *prsobj;
    void       *prsdata;
 
    cfg = lookup_ts_config_cache(cfgId);
    prsobj = lookup_ts_parser_cache(cfg->prsId);
 
    prsdata = DatumGetPointer(FunctionCall2(&(prsobj->prsstart),
                                            PointerGetDatum(buf),
                                            Int32GetDatum(buflen)));
 
    LexizeInit(&ldata, cfg);
 
    do
    {
        type = DatumGetInt32(FunctionCall3(&(prsobj->prstoken),
                                           PointerGetDatum(prsdata),
                                           PointerGetDatum(&lemm),
                                           PointerGetDatum(&lenlemm)));
 
        if (type > 0 && lenlemm >= MAXSTRLEN)
        {
#ifdef IGNORE_LONGLEXEME
            ereport(NOTICE,
                    (errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED),
                     errmsg("word is too long to be indexed"),
                     errdetail("Words longer than %d characters are ignored.",
                               MAXSTRLEN)));
            continue;
#else
            ereport(ERROR,
                    (errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED),
                     errmsg("word is too long to be indexed"),
                     errdetail("Words longer than %d characters are ignored.",
                               MAXSTRLEN)));
#endif
        }
 
        LexizeAddLemm(&ldata, type, lemm, lenlemm);
 
        do
        {
            if ((norms = LexizeExec(&ldata, &lexs)) != NULL)
            {
                prs->vectorpos++;
                addHLParsedLex(prs, query, lexs, norms);
            }
            else
                addHLParsedLex(prs, query, lexs, NULL);
        } while (norms);
    } while (type > 0);
 
    FunctionCall1(&(prsobj->prsend), PointerGetDatum(prsdata));
}

References addHLParsedLex(), buf, DatumGetInt32(), DatumGetPointer(), ereport, errcode(), errdetail(), errmsg(), ERROR, fb(), FunctionCall1, FunctionCall2, FunctionCall3, Int32GetDatum(), LexizeAddLemm(), LexizeExec(), LexizeInit(), lookup_ts_config_cache(), lookup_ts_parser_cache(), MAXSTRLEN, NOTICE, PointerGetDatum(), TSParserCacheEntry::prsend, TSConfigCacheEntry::prsId, TSParserCacheEntry::prsstart, TSParserCacheEntry::prstoken, type, and HeadlineParsedText::vectorpos.

Referenced by headline_json_value(), and ts_headline_byid_opt().

LexizeAddLemm()

static void LexizeAddLemm ( LexizeData *  ld, int  type, char *  lemm, int  lenlemm  )

static

Definition at line 100 of file ts_parse.c.

{
    ParsedLex  *newpl = palloc_object(ParsedLex);
 
    newpl->type = type;
    newpl->lemm = lemm;
    newpl->lenlemm = lenlemm;
    LPLAddTail(&ld->towork, newpl);
    ld->curSub = ld->towork.tail;
}

References fb(), LPLAddTail(), palloc_object, and type.

Referenced by hlparsetext(), and parsetext().

LexizeExec()

static TSLexeme * LexizeExec ( LexizeData *  ld, ParsedLex **  correspondLexem  )

static

Definition at line 173 of file ts_parse.c.

{
    int         i;
    ListDictionary *map;
    TSDictionaryCacheEntry *dict;
    TSLexeme   *res;
 
    if (ld->curDictId == InvalidOid)
    {
        /*
         * usual mode: dictionary wants only one word, but we should keep in
         * mind that we should go through all stack
         */
 
        while (ld->towork.head)
        {
            ParsedLex  *curVal = ld->towork.head;
            char       *curValLemm = curVal->lemm;
            int         curValLenLemm = curVal->lenlemm;
 
            map = ld->cfg->map + curVal->type;
 
            if (curVal->type == 0 || curVal->type >= ld->cfg->lenmap || map->len == 0)
            {
                /* skip this type of lexeme */
                RemoveHead(ld);
                continue;
            }
 
            for (i = ld->posDict; i < map->len; i++)
            {
                dict = lookup_ts_dictionary_cache(map->dictIds[i]);
 
                ld->dictState.isend = ld->dictState.getnext = false;
                ld->dictState.private_state = NULL;
                res = (TSLexeme *) DatumGetPointer(FunctionCall4(&(dict->lexize),
                                                                 PointerGetDatum(dict->dictData),
                                                                 PointerGetDatum(curValLemm),
                                                                 Int32GetDatum(curValLenLemm),
                                                                 PointerGetDatum(&ld->dictState)));
 
                if (ld->dictState.getnext)
                {
                    /*
                     * dictionary wants next word, so setup and store current
                     * position and go to multiword mode
                     */
 
                    ld->curDictId = map->dictIds[i];
                    ld->posDict = i + 1;
                    ld->curSub = curVal->next;
                    if (res)
                        setNewTmpRes(ld, curVal, res);
                    return LexizeExec(ld, correspondLexem);
                }
 
                if (!res)       /* dictionary doesn't know this lexeme */
                    continue;
 
                if (res->flags & TSL_FILTER)
                {
                    curValLemm = res->lexeme;
                    curValLenLemm = strlen(res->lexeme);
                    continue;
                }
 
                RemoveHead(ld);
                setCorrLex(ld, correspondLexem);
                return res;
            }
 
            RemoveHead(ld);
        }
    }
    else
    {                           /* curDictId is valid */
        dict = lookup_ts_dictionary_cache(ld->curDictId);
 
        /*
         * Dictionary ld->curDictId asks us about following words
         */
 
        while (ld->curSub)
        {
            ParsedLex  *curVal = ld->curSub;
 
            map = ld->cfg->map + curVal->type;
 
            if (curVal->type != 0)
            {
                bool        dictExists = false;
 
                if (curVal->type >= ld->cfg->lenmap || map->len == 0)
                {
                    /* skip this type of lexeme */
                    ld->curSub = curVal->next;
                    continue;
                }
 
                /*
                 * We should be sure that current type of lexeme is recognized
                 * by our dictionary: we just check is it exist in list of
                 * dictionaries ?
                 */
                for (i = 0; i < map->len && !dictExists; i++)
                    if (ld->curDictId == map->dictIds[i])
                        dictExists = true;
 
                if (!dictExists)
                {
                    /*
                     * Dictionary can't work with current type of lexeme,
                     * return to basic mode and redo all stored lexemes
                     */
                    ld->curDictId = InvalidOid;
                    return LexizeExec(ld, correspondLexem);
                }
            }
 
            ld->dictState.isend = (curVal->type == 0);
            ld->dictState.getnext = false;
 
            res = (TSLexeme *) DatumGetPointer(FunctionCall4(&(dict->lexize),
                                                             PointerGetDatum(dict->dictData),
                                                             PointerGetDatum(curVal->lemm),
                                                             Int32GetDatum(curVal->lenlemm),
                                                             PointerGetDatum(&ld->dictState)));
 
            if (ld->dictState.getnext)
            {
                /* Dictionary wants one more */
                ld->curSub = curVal->next;
                if (res)
                    setNewTmpRes(ld, curVal, res);
                continue;
            }
 
            if (res || ld->tmpRes)
            {
                /*
                 * Dictionary normalizes lexemes, so we remove from stack all
                 * used lexemes, return to basic mode and redo end of stack
                 * (if it exists)
                 */
                if (res)
                {
                    moveToWaste(ld, ld->curSub);
                }
                else
                {
                    res = ld->tmpRes;
                    moveToWaste(ld, ld->lastRes);
                }
 
                /* reset to initial state */
                ld->curDictId = InvalidOid;
                ld->posDict = 0;
                ld->lastRes = NULL;
                ld->tmpRes = NULL;
                setCorrLex(ld, correspondLexem);
                return res;
            }
 
            /*
             * Dict don't want next lexem and didn't recognize anything, redo
             * from ld->towork.head
             */
            ld->curDictId = InvalidOid;
            return LexizeExec(ld, correspondLexem);
        }
    }
 
    setCorrLex(ld, correspondLexem);
    return NULL;
}

References DatumGetPointer(), ListDictionary::dictIds, fb(), TSLexeme::flags, FunctionCall4, i, Int32GetDatum(), InvalidOid, ParsedLex::lemm, ListDictionary::len, TSLexeme::lexeme, LexizeExec(), lookup_ts_dictionary_cache(), moveToWaste(), PointerGetDatum(), RemoveHead(), setCorrLex(), setNewTmpRes(), and TSL_FILTER.

Referenced by hlparsetext(), LexizeExec(), and parsetext().

LexizeInit()

static void LexizeInit ( LexizeData *  ld, TSConfigCacheEntry *  cfg  )

static

Definition at line 61 of file ts_parse.c.

{
    ld->cfg = cfg;
    ld->curDictId = InvalidOid;
    ld->posDict = 0;
    ld->towork.head = ld->towork.tail = ld->curSub = NULL;
    ld->waste.head = ld->waste.tail = NULL;
    ld->lastRes = NULL;
    ld->tmpRes = NULL;
}

References LexizeData::cfg, fb(), and InvalidOid.

Referenced by hlparsetext(), and parsetext().

LPLAddTail()

static void LPLAddTail ( ListParsedLex *  list, ParsedLex *  newpl  )

static

Definition at line 73 of file ts_parse.c.

{
    if (list->tail)
    {
        list->tail->next = newpl;
        list->tail = newpl;
    }
    else
        list->head = list->tail = newpl;
    newpl->next = NULL;
}

References fb().

Referenced by LexizeAddLemm(), and RemoveHead().

LPLRemoveHead()

static ParsedLex * LPLRemoveHead ( ListParsedLex *  list )

static

Definition at line 86 of file ts_parse.c.

{
    ParsedLex  *res = list->head;
 
    if (list->head)
        list->head = list->head->next;
 
    if (list->head == NULL)
        list->tail = NULL;
 
    return res;
}

References fb().

Referenced by RemoveHead().

moveToWaste()

static void moveToWaste ( LexizeData *  ld, ParsedLex *  stop  )

static

Definition at line 142 of file ts_parse.c.

{
    bool        go = true;
 
    while (ld->towork.head && go)
    {
        if (ld->towork.head == stop)
        {
            ld->curSub = stop->next;
            go = false;
        }
        RemoveHead(ld);
    }
}

References fb(), ParsedLex::next, and RemoveHead().

Referenced by LexizeExec().

parsetext()

void parsetext	(	Oid	cfgId,
		ParsedText *	prs,
		char *	buf,
		int	buflen
	)

Definition at line 355 of file ts_parse.c.

{
    int         type,
                lenlemm = 0;    /* silence compiler warning */
    char       *lemm = NULL;
    LexizeData  ldata;
    TSLexeme   *norms;
    TSConfigCacheEntry *cfg;
    TSParserCacheEntry *prsobj;
    void       *prsdata;
 
    cfg = lookup_ts_config_cache(cfgId);
    prsobj = lookup_ts_parser_cache(cfg->prsId);
 
    prsdata = DatumGetPointer(FunctionCall2(&prsobj->prsstart,
                                            PointerGetDatum(buf),
                                            Int32GetDatum(buflen)));
 
    LexizeInit(&ldata, cfg);
 
    do
    {
        type = DatumGetInt32(FunctionCall3(&(prsobj->prstoken),
                                           PointerGetDatum(prsdata),
                                           PointerGetDatum(&lemm),
                                           PointerGetDatum(&lenlemm)));
 
        if (type > 0 && lenlemm >= MAXSTRLEN)
        {
#ifdef IGNORE_LONGLEXEME
            ereport(NOTICE,
                    (errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED),
                     errmsg("word is too long to be indexed"),
                     errdetail("Words longer than %d characters are ignored.",
                               MAXSTRLEN)));
            continue;
#else
            ereport(ERROR,
                    (errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED),
                     errmsg("word is too long to be indexed"),
                     errdetail("Words longer than %d characters are ignored.",
                               MAXSTRLEN)));
#endif
        }
 
        LexizeAddLemm(&ldata, type, lemm, lenlemm);
 
        while ((norms = LexizeExec(&ldata, NULL)) != NULL)
        {
            TSLexeme   *ptr = norms;
 
            prs->pos++;         /* set pos */
 
            while (ptr->lexeme)
            {
                if (prs->curwords == prs->lenwords)
                {
                    prs->lenwords *= 2;
                    prs->words = (ParsedWord *) repalloc(prs->words, prs->lenwords * sizeof(ParsedWord));
                }
 
                if (ptr->flags & TSL_ADDPOS)
                    prs->pos++;
                prs->words[prs->curwords].len = strlen(ptr->lexeme);
                prs->words[prs->curwords].word = ptr->lexeme;
                prs->words[prs->curwords].nvariant = ptr->nvariant;
                prs->words[prs->curwords].flags = ptr->flags & TSL_PREFIX;
                prs->words[prs->curwords].alen = 0;
                prs->words[prs->curwords].pos.pos = LIMITPOS(prs->pos);
                ptr++;
                prs->curwords++;
            }
            pfree(norms);
        }
    } while (type > 0);
 
    FunctionCall1(&(prsobj->prsend), PointerGetDatum(prsdata));
}

References ParsedWord::alen, buf, ParsedText::curwords, DatumGetInt32(), DatumGetPointer(), ereport, errcode(), errdetail(), errmsg(), ERROR, fb(), TSLexeme::flags, ParsedWord::flags, FunctionCall1, FunctionCall2, FunctionCall3, Int32GetDatum(), ParsedWord::len, ParsedText::lenwords, TSLexeme::lexeme, LexizeAddLemm(), LexizeExec(), LexizeInit(), LIMITPOS, lookup_ts_config_cache(), lookup_ts_parser_cache(), MAXSTRLEN, NOTICE, TSLexeme::nvariant, ParsedWord::nvariant, pfree(), PointerGetDatum(), ParsedWord::pos, ParsedText::pos, TSParserCacheEntry::prsend, TSConfigCacheEntry::prsId, TSParserCacheEntry::prsstart, TSParserCacheEntry::prstoken, repalloc(), TSL_ADDPOS, TSL_PREFIX, type, ParsedWord::word, and ParsedText::words.

Referenced by add_to_tsvector(), pushval_morph(), to_tsvector_byid(), and tsvector_update_trigger().

RemoveHead()

static void RemoveHead ( LexizeData *  ld )

static

Definition at line 112 of file ts_parse.c.

{
    LPLAddTail(&ld->waste, LPLRemoveHead(&ld->towork));
 
    ld->posDict = 0;
}

References fb(), LPLAddTail(), and LPLRemoveHead().

Referenced by LexizeExec(), and moveToWaste().

setCorrLex()

static void setCorrLex ( LexizeData *  ld, ParsedLex **  correspondLexem  )

static

Definition at line 120 of file ts_parse.c.

{
    if (correspondLexem)
    {
        *correspondLexem = ld->waste.head;
    }
    else
    {
        ParsedLex  *tmp,
                   *ptr = ld->waste.head;
 
        while (ptr)
        {
            tmp = ptr->next;
            pfree(ptr);
            ptr = tmp;
        }
    }
    ld->waste.head = ld->waste.tail = NULL;
}

References fb(), ParsedLex::next, and pfree().

Referenced by LexizeExec().

setNewTmpRes()

static void setNewTmpRes ( LexizeData *  ld, ParsedLex *  lex, TSLexeme *  res  )

static

Definition at line 158 of file ts_parse.c.

{
    if (ld->tmpRes)
    {
        TSLexeme   *ptr;
 
        for (ptr = ld->tmpRes; ptr->lexeme; ptr++)
            pfree(ptr->lexeme);
        pfree(ld->tmpRes);
    }
    ld->tmpRes = res;
    ld->lastRes = lex;
}

References fb(), TSLexeme::lexeme, and pfree().

Referenced by LexizeExec().