[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, "-list-charsets")) {
			    listcharsets();
			    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;
f336fa9a	139	} else if (!strcmp(opt, "-list-charsets")) {
	140	listcharsets();
	141	nogo = TRUE;
d7482997	142	} else if (!strcmp(opt, "-precise")) {
	143	reportcols = 1;
	144	} else {
	145	errs = TRUE, error(err_nosuchopt, opt);
	146	}
	147	}
	148	p = NULL;
	149	break;
	150	case 'h':
	151	case 'V':
	152	case 'L':
	153	case 'P':
	154	case 'd':
	155	/*
	156	* Option requiring no parameter.
	157	*/
	158	switch (c) {
	159	case 'h':
	160	help();
	161	nogo = TRUE;
	162	break;
	163	case 'V':
	164	showversion();
	165	nogo = TRUE;
	166	break;
	167	case 'L':
	168	licence();
	169	nogo = TRUE;
	170	break;
	171	case 'P':
	172	reportcols = 1;
	173	break;
	174	case 'd':
	175	debug = TRUE;
	176	break;
	177	}
	178	break;
6a0b9d08	179	case 'C':
d7482997	180	/*
	181	* Option requiring parameter.
	182	*/
	183	p++;
	184	if (!*p && argc > 1)
	185	--argc, p = *++argv;
	186	else if (!*p) {
	187	char opt[2];
	188	opt[0] = c;
	189	opt[1] = '\0';
	190	errs = TRUE, error(err_optnoarg, opt);
	191	}
	192	/*
	193	* Now c is the option and p is the parameter.
	194	*/
	195	switch (c) {
6a0b9d08	196	case 'C':
	197	/*
	198	* -C means we split our argument up into
	199	* colon-separated chunks and assemble them
	200	* into a config paragraph.
	201	*/
	202	{
e4ea58f8	203	char s = dupstr(p), q, *r;
6a0b9d08	204	paragraph *para;
6a0b9d08	205
e4ea58f8	206	para = cmdline_cfg_new();
6a0b9d08	207
e4ea58f8	208	q = r = s;
6a0b9d08	209	while (*q) {
6a0b9d08	210	if (*q == ':') {
e4ea58f8	211	*r = '\0';
675958c3	212	/* XXX ad-hoc diagnostic */
	213	if (!strcmp(s, "input-charset"))
	214	error(err_futileopt, "Cinput-charset",
	215	"; use --input-charset");
e4ea58f8	216	cmdline_cfg_add(para, s);
e4ea58f8	217	r = s;
6a0b9d08	218	} else {
	219	if (*q == '\\' && q[1])
	220	q++;
e4ea58f8	221	r++ = q;
6a0b9d08	222	}
	223	q++;
	224	}
57e17355	225	*r = '\0';
e4ea58f8	226	cmdline_cfg_add(para, s);
6a0b9d08	227
	228	if (cfg_tail)
	229	cfg_tail->next = para;
	230	else
	231	cfg = para;
	232	cfg_tail = para;
	233	}
d7482997	234	break;
	235	}
	236	p = NULL; /* prevent continued processing */
	237	break;
	238	default:
	239	/*
	240	* Unrecognised option.
	241	*/
	242	{
	243	char opt[2];
	244	opt[0] = c;
	245	opt[1] = '\0';
	246	errs = TRUE, error(err_nosuchopt, opt);
	247	}
	248	}
	249	}
	250	} else {
	251	/*
	252	* A non-option argument.
	253	*/
	254	infiles[nfiles++] = p;
	255	}
	256	}
	257
	258	if (errs)
	259	exit(EXIT_FAILURE);
	260	if (nogo)
	261	exit(EXIT_SUCCESS);
	262
	263	/*
	264	* Do the work.
	265	*/
	266	if (nfiles == 0) {
	267	error(err_noinput);
	268	usage();
	269	exit(EXIT_FAILURE);
	270	}
	271
	272	{
	273	input in;
	274	paragraph sourceform, p;
	275	indexdata *idx;
	276	keywordlist *keywords;
	277
	278	in.filenames = infiles;
	279	in.nfiles = nfiles;
	280	in.currfp = NULL;
	281	in.currindex = 0;
	282	in.npushback = in.pushbacksize = 0;
	283	in.pushback = NULL;
	284	in.reportcols = reportcols;
	285	in.stack = NULL;
675958c3	286	in.defcharset = input_charset;
d7482997	287
	288	idx = make_index();
	289
	290	sourceform = read_input(&in, idx);
	291	if (!sourceform)
	292	exit(EXIT_FAILURE);
	293
6a0b9d08	294	/*
	295	* Append the config directives acquired from the command
	296	* line.
	297	*/
	298	{
	299	paragraph *end;
	300
	301	end = sourceform;
	302	while (end && end->next)
	303	end = end->next;
	304	assert(end);
	305
	306	end->next = cfg;
	307	}
	308
d7482997	309	sfree(in.pushback);
d7482997	310
d7482997	311	sfree(infiles);
	312
	313	keywords = get_keywords(sourceform);
	314	if (!keywords)
	315	exit(EXIT_FAILURE);
	316	gen_citations(sourceform, keywords);
	317	subst_keywords(sourceform, keywords);
	318
	319	for (p = sourceform; p; p = p->next)
	320	if (p->type == para_IM)
f4551933	321	index_merge(idx, TRUE, p->keyword, p->words, &p->fpos);
d7482997	322
	323	build_index(idx);
	324
bb9e7835	325	/*
	326	* Set up attr_First / attr_Last / attr_Always, in the main
	327	* document and in the index entries.
	328	*/
	329	for (p = sourceform; p; p = p->next)
	330	mark_attr_ends(p->words);
	331	{
	332	int i;
	333	indexentry *entry;
	334
	335	for (i = 0; (entry = index234(idx->entries, i)) != NULL; i++)
	336	mark_attr_ends(entry->text);
	337	}
	338
d7482997	339	if (debug) {
	340	index_debug(idx);
	341	dbg_prtkws(keywords);
	342	dbg_prtsource(sourceform);
	343	}
	344
c8fb54d2	345	/*
43341922	346	* Select and run the pre-backends.
	347	*/
	348	prebackbits = 0;
	349	for (k = 0; k < (int)lenof(backends); k++)
	350	if (backendbits == 0 \|\| (backendbits & backends[k].bitfield))
	351	prebackbits \|= backends[k].prebackend_bitfield;
	352	for (k = 0; k < (int)lenof(pre_backends); k++)
	353	if (prebackbits & pre_backends[k].bitfield) {
	354	assert(k < (int)lenof(pre_backend_data));
	355	pre_backend_data[k] =
	356	pre_backends[k].func(sourceform, keywords, idx);
	357	}
	358
	359	/*
c8fb54d2	360	* Run the selected set of backends.
	361	*/
	362	for (k = b = 0; k < (int)lenof(backends); k++)
	363	if (b != backends[k].bitfield) {
	364	b = backends[k].bitfield;
43341922	365	if (backendbits == 0 \|\| (backendbits & b)) {
	366	void *pbd = NULL;
	367	int pbb = backends[k].prebackend_bitfield;
	368	int m;
	369
	370	for (m = 0; m < (int)lenof(pre_backends); m++)
	371	if (pbb & pre_backends[m].bitfield) {
	372	assert(m < (int)lenof(pre_backend_data));
	373	pbd = pre_backend_data[m];
	374	break;
	375	}
	376
	377	backends[k].func(sourceform, keywords, idx, pbd);
	378	}
c8fb54d2	379	}
d7482997	380
	381	free_para_list(sourceform);
	382	free_keywords(keywords);
	383	cleanup_index(idx);
	384	}
	385
	386	return 0;
	387	}
	388
	389	static void dbg_prtsource(paragraph *sourceform) {
	390	/*
	391	* Output source form in debugging format.
	392	*/
	393
	394	paragraph *p;
	395	for (p = sourceform; p; p = p->next) {
	396	wchar_t *wp;
	397	printf("para %d ", p->type);
	398	if (p->keyword) {
	399	wp = p->keyword;
	400	while (*wp) {
	401	putchar('\"');
	402	for (; *wp; wp++)
	403	putchar(*wp);
	404	putchar('\"');
	405	if (*++wp)
	406	printf(", ");
	407	}
	408	} else
	409	printf("(no keyword)");
	410	printf(" {\n");
	411	dbg_prtwordlist(1, p->words);
	412	printf("}\n");
	413	}
	414	}
	415
	416	static void dbg_prtkws(keywordlist *kws) {
	417	/*
	418	* Output keywords in debugging format.
	419	*/
	420
	421	int i;
	422	keyword *kw;
	423
	424	for (i = 0; (kw = index234(kws->keys, i)) != NULL; i++) {
	425	wchar_t *wp;
	426	printf("keyword ");
	427	wp = kw->key;
	428	while (*wp) {
	429	putchar('\"');
	430	for (; *wp; wp++)
	431	putchar(*wp);
	432	putchar('\"');
	433	if (*++wp)
	434	printf(", ");
	435	}
	436	printf(" {\n");
	437	dbg_prtwordlist(1, kw->text);
	438	printf("}\n");
	439	}
	440	}
	441
	442	static void dbg_prtwordlist(int level, word *w) {
	443	for (; w; w = w->next) {
444	wchar_t *wp;
445	printf("%sword %d ", level4, "", w->type);
446	if (w->text) {
447	printf("\"");
448	for (wp = w->text; *wp; wp++)
449	putchar(*wp);
450	printf("\"");
451	} else
452	printf("(no text)");
453	if (w->alt) {
454	printf(" alt = {\n");
455	dbg_prtwordlist(level+1, w->alt);
456	printf("%s}", level4, "");
457	}
458	printf("\n");
459	}
460	}