[sgt/halibut] / main.c

/*
 * main.c: command line parsing and top level
 */

#include <assert.h>
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include "halibut.h"

static void dbg_prtsource(paragraph *sourceform);
static void dbg_prtwordlist(int level, word *w);
static void dbg_prtkws(keywordlist *kws);

static const struct pre_backend {
    void *(*func)(paragraph *, keywordlist *, indexdata *);
    int bitfield;
} pre_backends[] = {
    {paper_pre_backend, 0x0001}
};

static const struct backend {
    char *name;
    void (*func)(paragraph *, keywordlist *, indexdata *, void *);
    paragraph *(*filename)(char *filename);
    int bitfield, prebackend_bitfield;
} backends[] = {
    {"text", text_backend, text_config_filename, 0x0001, 0},
    {"xhtml", html_backend, html_config_filename, 0x0002, 0},
    {"html", html_backend, html_config_filename, 0x0002, 0},
    {"hlp", whlp_backend, whlp_config_filename, 0x0004, 0},
    {"whlp", whlp_backend, whlp_config_filename, 0x0004, 0},
    {"winhelp", whlp_backend, whlp_config_filename, 0x0004, 0},
    {"man", man_backend, man_config_filename, 0x0008, 0},
    {"info", info_backend, info_config_filename, 0x0010, 0},
    {"ps", ps_backend, ps_config_filename, 0x0020, 0x0001},
    {"pdf", pdf_backend, pdf_config_filename, 0x0040, 0x0001},
};

int main(int argc, char **argv) {
    char **infiles;
    int nfiles;
    int nogo;
    int errs;
    int reportcols;
    int input_charset;
    int debug;
    int backendbits, prebackbits;
    int k, b;
    paragraph *cfg, *cfg_tail;
    void *pre_backend_data[16];

    setlocale(LC_ALL, "");

    /*
     * Set up initial (default) parameters.
     */
    infiles = snewn(argc, char *);
    nfiles = 0;
    nogo = errs = FALSE;
    reportcols = 0;
    input_charset = CS_ASCII;
    debug = 0;
    backendbits = 0;
    cfg = cfg_tail = NULL;

    if (argc == 1) {
	usage();
	exit(EXIT_SUCCESS);
    }

    /*
     * Parse command line arguments.
     */
    while (--argc) {
	char *p = *++argv;
	if (*p == '-') {
	    /*
	     * An option.
	     */
	    while (p && *++p) {
		char c = *p;
		switch (c) {
		  case '-':
		    /*
		     * Long option.
		     */
		    {
			char *opt, *val;
			opt = p++;     /* opt will have _one_ leading - */
			while (*p && *p != '=')
			    p++;	       /* find end of option */
			if (*p == '=') {
			    *p++ = '\0';
			    val = p;
			} else
			    val = NULL;

			assert(opt[0] == '-');
			for (k = 0; k < (int)lenof(backends); k++)
			    if (!strcmp(opt+1, backends[k].name)) {
				backendbits |= backends[k].bitfield;
				if (val) {
				    paragraph *p = backends[k].filename(val);
				    assert(p);
				    if (cfg_tail)
					cfg_tail->next = p;
				    else
					cfg = p;
				    while (p->next)
					p = p->next;
				    cfg_tail = p;
				}
				break;
			    }
			if (k < (int)lenof(backends)) {
			    /* do nothing */;
			} else if (!strcmp(opt, "-input-charset")) {
			    if (!val) {
				errs = TRUE, error(err_optnoarg, opt);
			    } else {
				int charset = charset_from_localenc(val);
				if (charset == CS_NONE) {
				    errs = TRUE, error(err_cmdcharset, val);
				} else {
				    input_charset = charset;
				}
			    }
			} else if (!strcmp(opt, "-help")) {
			    help();
			    nogo = TRUE;
			} else if (!strcmp(opt, "-version")) {
			    showversion();
			    nogo = TRUE;
			} else if (!strcmp(opt, "-licence") ||
				   !strcmp(opt, "-license")) {
			    licence();
			    nogo = TRUE;
			} else if (!strcmp(opt, "-precise")) {
			    reportcols = 1;
			} else {
			    errs = TRUE, error(err_nosuchopt, opt);
			}
		    }
		    p = NULL;
		    break;
		  case 'h':
		  case 'V':
		  case 'L':
		  case 'P':
		  case 'd':
		    /*
		     * Option requiring no parameter.
		     */
		    switch (c) {
		      case 'h':
			help();
			nogo = TRUE;
			break;
		      case 'V':
			showversion();
			nogo = TRUE;
			break;
		      case 'L':
			licence();
			nogo = TRUE;
			break;
		      case 'P':
			reportcols = 1;
			break;
		      case 'd':
			debug = TRUE;
			break;
		    }
		    break;
		  case 'C':
		    /*
		     * Option requiring parameter.
		     */
		    p++;
		    if (!*p && argc > 1)
			--argc, p = *++argv;
		    else if (!*p) {
			char opt[2];
			opt[0] = c;
			opt[1] = '\0';
			errs = TRUE, error(err_optnoarg, opt);
		    }
		    /*
		     * Now c is the option and p is the parameter.
		     */
		    switch (c) {
		      case 'C':
			/*
			 * -C means we split our argument up into
			 * colon-separated chunks and assemble them
			 * into a config paragraph.
			 */
			{
			    char *s = dupstr(p), *q, *r;
			    paragraph *para;

			    para = cmdline_cfg_new();

			    q = r = s;
			    while (*q) {
				if (*q == ':') {
				    *r = '\0';
				    /* XXX ad-hoc diagnostic */
				    if (!strcmp(s, "input-charset"))
					error(err_futileopt, "Cinput-charset",
					      "; use --input-charset");
				    cmdline_cfg_add(para, s);
				    r = s;
				} else {
				    if (*q == '\\' && q[1])
					q++;
				    *r++ = *q;
				}
				q++;
			    }
			    *r = '\0';
			    cmdline_cfg_add(para, s);

			    if (cfg_tail)
				cfg_tail->next = para;
			    else
				cfg = para;
			    cfg_tail = para;
			}
			break;
		    }
		    p = NULL;	       /* prevent continued processing */
		    break;
		  default:
		    /*
		     * Unrecognised option.
		     */
		    {
			char opt[2];
			opt[0] = c;
			opt[1] = '\0';
			errs = TRUE, error(err_nosuchopt, opt);
		    }
		}
	    }
	} else {
	    /*
	     * A non-option argument.
	     */
	    infiles[nfiles++] = p;
	}
    }

    if (errs)
	exit(EXIT_FAILURE);
    if (nogo)
	exit(EXIT_SUCCESS);

    /*
     * Do the work.
     */
    if (nfiles == 0) {
	error(err_noinput);
	usage();
	exit(EXIT_FAILURE);
    }

    {
	input in;
	paragraph *sourceform, *p;
	indexdata *idx;
	keywordlist *keywords;

	in.filenames = infiles;
	in.nfiles = nfiles;
	in.currfp = NULL;
	in.currindex = 0;
	in.npushback = in.pushbacksize = 0;
	in.pushback = NULL;
	in.reportcols = reportcols;
	in.stack = NULL;
	in.defcharset = input_charset;

	idx = make_index();

	sourceform = read_input(&in, idx);
	if (!sourceform)
	    exit(EXIT_FAILURE);

	/*
	 * Append the config directives acquired from the command
	 * line.
	 */
	{
	    paragraph *end;

	    end = sourceform;
	    while (end && end->next)
		end = end->next;
	    assert(end);

	    end->next = cfg;
	}

	sfree(in.pushback);

	sfree(infiles);

	keywords = get_keywords(sourceform);
	if (!keywords)
	    exit(EXIT_FAILURE);
	gen_citations(sourceform, keywords);
	subst_keywords(sourceform, keywords);

	for (p = sourceform; p; p = p->next)
	    if (p->type == para_IM)
		index_merge(idx, TRUE, p->keyword, p->words, &p->fpos);

	build_index(idx);

	/*
	 * Set up attr_First / attr_Last / attr_Always, in the main
	 * document and in the index entries.
	 */
	for (p = sourceform; p; p = p->next)
	    mark_attr_ends(p->words);
	{
	    int i;
	    indexentry *entry;

	    for (i = 0; (entry = index234(idx->entries, i)) != NULL; i++)
		mark_attr_ends(entry->text);
	}

	if (debug) {
	    index_debug(idx);
	    dbg_prtkws(keywords);
	    dbg_prtsource(sourceform);
	}

	/*
	 * Select and run the pre-backends.
	 */
	prebackbits = 0;
	for (k = 0; k < (int)lenof(backends); k++)
	    if (backendbits == 0 || (backendbits & backends[k].bitfield))
		prebackbits |= backends[k].prebackend_bitfield;
	for (k = 0; k < (int)lenof(pre_backends); k++)
	    if (prebackbits & pre_backends[k].bitfield) {
		assert(k < (int)lenof(pre_backend_data));
		pre_backend_data[k] =
		    pre_backends[k].func(sourceform, keywords, idx);
	    }

	/*
	 * Run the selected set of backends.
	 */
	for (k = b = 0; k < (int)lenof(backends); k++)
	    if (b != backends[k].bitfield) {
		b = backends[k].bitfield;
		if (backendbits == 0 || (backendbits & b)) {
		    void *pbd = NULL;
		    int pbb = backends[k].prebackend_bitfield;
		    int m;

		    for (m = 0; m < (int)lenof(pre_backends); m++)
			if (pbb & pre_backends[m].bitfield) {
			    assert(m < (int)lenof(pre_backend_data));
			    pbd = pre_backend_data[m];
			    break;
			}
			    
		    backends[k].func(sourceform, keywords, idx, pbd);
		}
	    }

	free_para_list(sourceform);
	free_keywords(keywords);
	cleanup_index(idx);
    }

    return 0;
}

static void dbg_prtsource(paragraph *sourceform) {
    /*
     * Output source form in debugging format.
     */

    paragraph *p;
    for (p = sourceform; p; p = p->next) {
	wchar_t *wp;
	printf("para %d ", p->type);
	if (p->keyword) {
	    wp = p->keyword;
	    while (*wp) {
		putchar('\"');
		for (; *wp; wp++)
		    putchar(*wp);
		putchar('\"');
		if (*++wp)
		    printf(", ");
	    }
	} else
	    printf("(no keyword)");
	printf(" {\n");
	dbg_prtwordlist(1, p->words);
	printf("}\n");
    }
}

static void dbg_prtkws(keywordlist *kws) {
    /*
     * Output keywords in debugging format.
     */

    int i;
    keyword *kw;

    for (i = 0; (kw = index234(kws->keys, i)) != NULL; i++) {
	wchar_t *wp;
	printf("keyword ");
	wp = kw->key;
	while (*wp) {
	    putchar('\"');
	    for (; *wp; wp++)
		putchar(*wp);
	    putchar('\"');
	    if (*++wp)
		printf(", ");
	}
	printf(" {\n");
	dbg_prtwordlist(1, kw->text);
	printf("}\n");
    }
}

static void dbg_prtwordlist(int level, word *w) {
    for (; w; w = w->next) {
	wchar_t *wp;
	printf("%*sword %d ", level*4, "", w->type);
	if (w->text) {
	    printf("\"");
	    for (wp = w->text; *wp; wp++)
		    putchar(*wp);
	    printf("\"");
	} else
	    printf("(no text)");
	if (w->alt) {
	    printf(" alt = {\n");
	    dbg_prtwordlist(level+1, w->alt);
	    printf("%*s}", level*4, "");
	}
	printf("\n");
    }
}
Commit	Line	Data
d7482997	1	/*
	2	* main.c: command line parsing and top level
	3	*/
	4
c8fb54d2	5	#include <assert.h>
7e976207	6	#include <locale.h>
d7482997	7	#include <stdio.h>
	8	#include <stdlib.h>
	9	#include "halibut.h"
	10
	11	static void dbg_prtsource(paragraph *sourceform);
	12	static void dbg_prtwordlist(int level, word *w);
	13	static void dbg_prtkws(keywordlist *kws);
	14
43341922	15	static const struct pre_backend {
	16	void (func)(paragraph , keywordlist , indexdata *);
	17	int bitfield;
	18	} pre_backends[] = {
	19	{paper_pre_backend, 0x0001}
	20	};
	21
c8fb54d2	22	static const struct backend {
c8fb54d2	23	char *name;
43341922	24	void (func)(paragraph , keywordlist , indexdata , void *);
ba9c1487	25	paragraph (filename)(char *filename);
43341922	26	int bitfield, prebackend_bitfield;
c8fb54d2	27	} backends[] = {
43341922	28	{"text", text_backend, text_config_filename, 0x0001, 0},
78c73085	29	{"xhtml", html_backend, html_config_filename, 0x0002, 0},
78c73085	30	{"html", html_backend, html_config_filename, 0x0002, 0},
43341922	31	{"hlp", whlp_backend, whlp_config_filename, 0x0004, 0},
	32	{"whlp", whlp_backend, whlp_config_filename, 0x0004, 0},
	33	{"winhelp", whlp_backend, whlp_config_filename, 0x0004, 0},
	34	{"man", man_backend, man_config_filename, 0x0008, 0},
	35	{"info", info_backend, info_config_filename, 0x0010, 0},
	36	{"ps", ps_backend, ps_config_filename, 0x0020, 0x0001},
	37	{"pdf", pdf_backend, pdf_config_filename, 0x0040, 0x0001},
c8fb54d2	38	};
c8fb54d2	39
d7482997	40	int main(int argc, char **argv) {
d7482997	41	char **infiles;
d7482997	42	int nfiles;
	43	int nogo;
	44	int errs;
	45	int reportcols;
675958c3	46	int input_charset;
d7482997	47	int debug;
43341922	48	int backendbits, prebackbits;
c8fb54d2	49	int k, b;
6a0b9d08	50	paragraph cfg, cfg_tail;
43341922	51	void *pre_backend_data[16];
d7482997	52
7e976207	53	setlocale(LC_ALL, "");
7e976207	54
d7482997	55	/*
	56	* Set up initial (default) parameters.
	57	*/
f1530049	58	infiles = snewn(argc, char *);
d7482997	59	nfiles = 0;
	60	nogo = errs = FALSE;
	61	reportcols = 0;
675958c3	62	input_charset = CS_ASCII;
d7482997	63	debug = 0;
c8fb54d2	64	backendbits = 0;
6a0b9d08	65	cfg = cfg_tail = NULL;
d7482997	66
	67	if (argc == 1) {
	68	usage();
	69	exit(EXIT_SUCCESS);
	70	}
	71
	72	/*
	73	* Parse command line arguments.
	74	*/
	75	while (--argc) {
	76	char p = ++argv;
	77	if (*p == '-') {
	78	/*
	79	* An option.
	80	*/
	81	while (p && *++p) {
	82	char c = *p;
	83	switch (c) {
	84	case '-':
	85	/*
	86	* Long option.
	87	*/
	88	{
	89	char opt, val;
	90	opt = p++; /* opt will have _one_ leading - */
	91	while (p && p != '=')
	92	p++; /* find end of option */
	93	if (*p == '=') {
	94	*p++ = '\0';
	95	val = p;
	96	} else
	97	val = NULL;
c8fb54d2	98
	99	assert(opt[0] == '-');
	100	for (k = 0; k < (int)lenof(backends); k++)
	101	if (!strcmp(opt+1, backends[k].name)) {
	102	backendbits \|= backends[k].bitfield;
ba9c1487	103	if (val) {
	104	paragraph *p = backends[k].filename(val);
	105	assert(p);
	106	if (cfg_tail)
	107	cfg_tail->next = p;
	108	else
	109	cfg = p;
	110	while (p->next)
	111	p = p->next;
	112	cfg_tail = p;
	113	}
c8fb54d2	114	break;
	115	}
	116	if (k < (int)lenof(backends)) {
	117	/* do nothing */;
675958c3	118	} else if (!strcmp(opt, "-input-charset")) {
	119	if (!val) {
	120	errs = TRUE, error(err_optnoarg, opt);
	121	} else {
	122	int charset = charset_from_localenc(val);
	123	if (charset == CS_NONE) {
	124	errs = TRUE, error(err_cmdcharset, val);
	125	} else {
	126	input_charset = charset;
	127	}
	128	}
c8fb54d2	129	} else if (!strcmp(opt, "-help")) {
d7482997	130	help();
	131	nogo = TRUE;
	132	} else if (!strcmp(opt, "-version")) {
	133	showversion();
	134	nogo = TRUE;
	135	} else if (!strcmp(opt, "-licence") \|\|
	136	!strcmp(opt, "-license")) {
	137	licence();
	138	nogo = TRUE;
d7482997	139	} else if (!strcmp(opt, "-precise")) {
	140	reportcols = 1;
	141	} else {
	142	errs = TRUE, error(err_nosuchopt, opt);
	143	}
	144	}
	145	p = NULL;
	146	break;
	147	case 'h':
	148	case 'V':
	149	case 'L':
	150	case 'P':
	151	case 'd':
	152	/*
	153	* Option requiring no parameter.
	154	*/
	155	switch (c) {
	156	case 'h':
	157	help();
	158	nogo = TRUE;
	159	break;
	160	case 'V':
	161	showversion();
	162	nogo = TRUE;
	163	break;
	164	case 'L':
	165	licence();
	166	nogo = TRUE;
	167	break;
	168	case 'P':
	169	reportcols = 1;
	170	break;
	171	case 'd':
	172	debug = TRUE;
	173	break;
	174	}
	175	break;
6a0b9d08	176	case 'C':
d7482997	177	/*
	178	* Option requiring parameter.
	179	*/
	180	p++;
	181	if (!*p && argc > 1)
	182	--argc, p = *++argv;
	183	else if (!*p) {
	184	char opt[2];
	185	opt[0] = c;
	186	opt[1] = '\0';
	187	errs = TRUE, error(err_optnoarg, opt);
	188	}
	189	/*
	190	* Now c is the option and p is the parameter.
	191	*/
	192	switch (c) {
6a0b9d08	193	case 'C':
	194	/*
	195	* -C means we split our argument up into
	196	* colon-separated chunks and assemble them
	197	* into a config paragraph.
	198	*/
	199	{
e4ea58f8	200	char s = dupstr(p), q, *r;
6a0b9d08	201	paragraph *para;
6a0b9d08	202
e4ea58f8	203	para = cmdline_cfg_new();
6a0b9d08	204
e4ea58f8	205	q = r = s;
6a0b9d08	206	while (*q) {
6a0b9d08	207	if (*q == ':') {
e4ea58f8	208	*r = '\0';
675958c3	209	/* XXX ad-hoc diagnostic */
	210	if (!strcmp(s, "input-charset"))
	211	error(err_futileopt, "Cinput-charset",
	212	"; use --input-charset");
e4ea58f8	213	cmdline_cfg_add(para, s);
e4ea58f8	214	r = s;
6a0b9d08	215	} else {
	216	if (*q == '\\' && q[1])
	217	q++;
e4ea58f8	218	r++ = q;
6a0b9d08	219	}
	220	q++;
	221	}
57e17355	222	*r = '\0';
e4ea58f8	223	cmdline_cfg_add(para, s);
6a0b9d08	224
	225	if (cfg_tail)
	226	cfg_tail->next = para;
	227	else
	228	cfg = para;
	229	cfg_tail = para;
	230	}
d7482997	231	break;
	232	}
	233	p = NULL; /* prevent continued processing */
	234	break;
	235	default:
	236	/*
	237	* Unrecognised option.
	238	*/
	239	{
	240	char opt[2];
	241	opt[0] = c;
	242	opt[1] = '\0';
	243	errs = TRUE, error(err_nosuchopt, opt);
	244	}
	245	}
	246	}
	247	} else {
	248	/*
	249	* A non-option argument.
	250	*/
	251	infiles[nfiles++] = p;
	252	}
	253	}
	254
	255	if (errs)
	256	exit(EXIT_FAILURE);
	257	if (nogo)
	258	exit(EXIT_SUCCESS);
	259
	260	/*
	261	* Do the work.
	262	*/
	263	if (nfiles == 0) {
	264	error(err_noinput);
	265	usage();
	266	exit(EXIT_FAILURE);
	267	}
	268
	269	{
	270	input in;
	271	paragraph sourceform, p;
	272	indexdata *idx;
	273	keywordlist *keywords;
	274
	275	in.filenames = infiles;
	276	in.nfiles = nfiles;
	277	in.currfp = NULL;
	278	in.currindex = 0;
	279	in.npushback = in.pushbacksize = 0;
	280	in.pushback = NULL;
	281	in.reportcols = reportcols;
	282	in.stack = NULL;
675958c3	283	in.defcharset = input_charset;
d7482997	284
	285	idx = make_index();
	286
	287	sourceform = read_input(&in, idx);
	288	if (!sourceform)
	289	exit(EXIT_FAILURE);
	290
6a0b9d08	291	/*
	292	* Append the config directives acquired from the command
	293	* line.
	294	*/
	295	{
	296	paragraph *end;
	297
	298	end = sourceform;
	299	while (end && end->next)
	300	end = end->next;
	301	assert(end);
	302
	303	end->next = cfg;
	304	}
	305
d7482997	306	sfree(in.pushback);
d7482997	307
d7482997	308	sfree(infiles);
	309
	310	keywords = get_keywords(sourceform);
	311	if (!keywords)
	312	exit(EXIT_FAILURE);
	313	gen_citations(sourceform, keywords);
	314	subst_keywords(sourceform, keywords);
	315
	316	for (p = sourceform; p; p = p->next)
	317	if (p->type == para_IM)
f4551933	318	index_merge(idx, TRUE, p->keyword, p->words, &p->fpos);
d7482997	319
	320	build_index(idx);
	321
bb9e7835	322	/*
	323	* Set up attr_First / attr_Last / attr_Always, in the main
	324	* document and in the index entries.
	325	*/
	326	for (p = sourceform; p; p = p->next)
	327	mark_attr_ends(p->words);
	328	{
	329	int i;
	330	indexentry *entry;
	331
	332	for (i = 0; (entry = index234(idx->entries, i)) != NULL; i++)
	333	mark_attr_ends(entry->text);
	334	}
	335
d7482997	336	if (debug) {
	337	index_debug(idx);
	338	dbg_prtkws(keywords);
	339	dbg_prtsource(sourceform);
	340	}
	341
c8fb54d2	342	/*
43341922	343	* Select and run the pre-backends.
	344	*/
	345	prebackbits = 0;
	346	for (k = 0; k < (int)lenof(backends); k++)
	347	if (backendbits == 0 \|\| (backendbits & backends[k].bitfield))
	348	prebackbits \|= backends[k].prebackend_bitfield;
	349	for (k = 0; k < (int)lenof(pre_backends); k++)
	350	if (prebackbits & pre_backends[k].bitfield) {
	351	assert(k < (int)lenof(pre_backend_data));
	352	pre_backend_data[k] =
	353	pre_backends[k].func(sourceform, keywords, idx);
	354	}
	355
	356	/*
c8fb54d2	357	* Run the selected set of backends.
	358	*/
	359	for (k = b = 0; k < (int)lenof(backends); k++)
	360	if (b != backends[k].bitfield) {
	361	b = backends[k].bitfield;
43341922	362	if (backendbits == 0 \|\| (backendbits & b)) {
	363	void *pbd = NULL;
	364	int pbb = backends[k].prebackend_bitfield;
	365	int m;
	366
	367	for (m = 0; m < (int)lenof(pre_backends); m++)
	368	if (pbb & pre_backends[m].bitfield) {
	369	assert(m < (int)lenof(pre_backend_data));
	370	pbd = pre_backend_data[m];
	371	break;
	372	}
	373
	374	backends[k].func(sourceform, keywords, idx, pbd);
	375	}
c8fb54d2	376	}
d7482997	377
	378	free_para_list(sourceform);
	379	free_keywords(keywords);
	380	cleanup_index(idx);
	381	}
	382
	383	return 0;
	384	}
	385
	386	static void dbg_prtsource(paragraph *sourceform) {
	387	/*
	388	* Output source form in debugging format.
	389	*/
	390
	391	paragraph *p;
	392	for (p = sourceform; p; p = p->next) {
	393	wchar_t *wp;
	394	printf("para %d ", p->type);
	395	if (p->keyword) {
	396	wp = p->keyword;
	397	while (*wp) {
	398	putchar('\"');
	399	for (; *wp; wp++)
	400	putchar(*wp);
	401	putchar('\"');
	402	if (*++wp)
	403	printf(", ");
	404	}
	405	} else
	406	printf("(no keyword)");
	407	printf(" {\n");
	408	dbg_prtwordlist(1, p->words);
	409	printf("}\n");
	410	}
	411	}
	412
	413	static void dbg_prtkws(keywordlist *kws) {
	414	/*
	415	* Output keywords in debugging format.
	416	*/
	417
	418	int i;
	419	keyword *kw;
	420
	421	for (i = 0; (kw = index234(kws->keys, i)) != NULL; i++) {
	422	wchar_t *wp;
	423	printf("keyword ");
	424	wp = kw->key;
	425	while (*wp) {
	426	putchar('\"');
	427	for (; *wp; wp++)
	428	putchar(*wp);
	429	putchar('\"');
	430	if (*++wp)
	431	printf(", ");
	432	}
	433	printf(" {\n");
	434	dbg_prtwordlist(1, kw->text);
	435	printf("}\n");
	436	}
	437	}
	438
	439	static void dbg_prtwordlist(int level, word *w) {
	440	for (; w; w = w->next) {
441	wchar_t *wp;
442	printf("%sword %d ", level4, "", w->type);
443	if (w->text) {
444	printf("\"");
445	for (wp = w->text; *wp; wp++)
446	putchar(*wp);
447	printf("\"");
448	} else
449	printf("(no text)");
450	if (w->alt) {
451	printf(" alt = {\n");
452	dbg_prtwordlist(level+1, w->alt);
453	printf("%s}", level4, "");
454	}
455	printf("\n");
456	}
457	}