[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];

    /*
     * Use the specified locale everywhere. It'll be used for
     * output of error messages, and as the default character set
     * for input files if one is not explicitly specified.
     * 
     * However, we need to use standard numeric formatting for
     * output of things like PDF.
     */
    setlocale(LC_ALL, "");
    setlocale(LC_NUMERIC, "C");

    /*
     * 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->breaks)
	    printf(" [breaks]");
	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
740a7d6a	53	/*
	54	* Use the specified locale everywhere. It'll be used for
	55	* output of error messages, and as the default character set
	56	* for input files if one is not explicitly specified.
	57	*
	58	* However, we need to use standard numeric formatting for
	59	* output of things like PDF.
	60	*/
7e976207	61	setlocale(LC_ALL, "");
740a7d6a	62	setlocale(LC_NUMERIC, "C");
7e976207	63
d7482997	64	/*
	65	* Set up initial (default) parameters.
	66	*/
f1530049	67	infiles = snewn(argc, char *);
d7482997	68	nfiles = 0;
	69	nogo = errs = FALSE;
	70	reportcols = 0;
675958c3	71	input_charset = CS_ASCII;
d7482997	72	debug = 0;
c8fb54d2	73	backendbits = 0;
6a0b9d08	74	cfg = cfg_tail = NULL;
d7482997	75
	76	if (argc == 1) {
	77	usage();
	78	exit(EXIT_SUCCESS);
	79	}
	80
	81	/*
	82	* Parse command line arguments.
	83	*/
	84	while (--argc) {
	85	char p = ++argv;
	86	if (*p == '-') {
	87	/*
	88	* An option.
	89	*/
	90	while (p && *++p) {
	91	char c = *p;
	92	switch (c) {
	93	case '-':
	94	/*
	95	* Long option.
	96	*/
	97	{
	98	char opt, val;
	99	opt = p++; /* opt will have _one_ leading - */
	100	while (p && p != '=')
	101	p++; /* find end of option */
	102	if (*p == '=') {
	103	*p++ = '\0';
	104	val = p;
	105	} else
	106	val = NULL;
c8fb54d2	107
	108	assert(opt[0] == '-');
	109	for (k = 0; k < (int)lenof(backends); k++)
	110	if (!strcmp(opt+1, backends[k].name)) {
	111	backendbits \|= backends[k].bitfield;
ba9c1487	112	if (val) {
	113	paragraph *p = backends[k].filename(val);
	114	assert(p);
	115	if (cfg_tail)
	116	cfg_tail->next = p;
	117	else
	118	cfg = p;
	119	while (p->next)
	120	p = p->next;
	121	cfg_tail = p;
	122	}
c8fb54d2	123	break;
	124	}
	125	if (k < (int)lenof(backends)) {
	126	/* do nothing */;
675958c3	127	} else if (!strcmp(opt, "-input-charset")) {
	128	if (!val) {
	129	errs = TRUE, error(err_optnoarg, opt);
	130	} else {
	131	int charset = charset_from_localenc(val);
	132	if (charset == CS_NONE) {
	133	errs = TRUE, error(err_cmdcharset, val);
	134	} else {
	135	input_charset = charset;
	136	}
	137	}
c8fb54d2	138	} else if (!strcmp(opt, "-help")) {
d7482997	139	help();
	140	nogo = TRUE;
	141	} else if (!strcmp(opt, "-version")) {
	142	showversion();
	143	nogo = TRUE;
	144	} else if (!strcmp(opt, "-licence") \|\|
	145	!strcmp(opt, "-license")) {
	146	licence();
	147	nogo = TRUE;
f336fa9a	148	} else if (!strcmp(opt, "-list-charsets")) {
	149	listcharsets();
	150	nogo = TRUE;
d7482997	151	} else if (!strcmp(opt, "-precise")) {
	152	reportcols = 1;
	153	} else {
	154	errs = TRUE, error(err_nosuchopt, opt);
	155	}
	156	}
	157	p = NULL;
	158	break;
	159	case 'h':
	160	case 'V':
	161	case 'L':
	162	case 'P':
	163	case 'd':
	164	/*
	165	* Option requiring no parameter.
	166	*/
	167	switch (c) {
	168	case 'h':
	169	help();
	170	nogo = TRUE;
	171	break;
	172	case 'V':
	173	showversion();
	174	nogo = TRUE;
	175	break;
	176	case 'L':
	177	licence();
	178	nogo = TRUE;
	179	break;
	180	case 'P':
	181	reportcols = 1;
	182	break;
	183	case 'd':
	184	debug = TRUE;
	185	break;
	186	}
	187	break;
6a0b9d08	188	case 'C':
d7482997	189	/*
	190	* Option requiring parameter.
	191	*/
	192	p++;
	193	if (!*p && argc > 1)
	194	--argc, p = *++argv;
	195	else if (!*p) {
	196	char opt[2];
	197	opt[0] = c;
	198	opt[1] = '\0';
	199	errs = TRUE, error(err_optnoarg, opt);
	200	}
	201	/*
	202	* Now c is the option and p is the parameter.
	203	*/
	204	switch (c) {
6a0b9d08	205	case 'C':
	206	/*
	207	* -C means we split our argument up into
	208	* colon-separated chunks and assemble them
	209	* into a config paragraph.
	210	*/
	211	{
e4ea58f8	212	char s = dupstr(p), q, *r;
6a0b9d08	213	paragraph *para;
6a0b9d08	214
e4ea58f8	215	para = cmdline_cfg_new();
6a0b9d08	216
e4ea58f8	217	q = r = s;
6a0b9d08	218	while (*q) {
6a0b9d08	219	if (*q == ':') {
e4ea58f8	220	*r = '\0';
675958c3	221	/* XXX ad-hoc diagnostic */
	222	if (!strcmp(s, "input-charset"))
	223	error(err_futileopt, "Cinput-charset",
	224	"; use --input-charset");
e4ea58f8	225	cmdline_cfg_add(para, s);
e4ea58f8	226	r = s;
6a0b9d08	227	} else {
	228	if (*q == '\\' && q[1])
	229	q++;
e4ea58f8	230	r++ = q;
6a0b9d08	231	}
	232	q++;
	233	}
57e17355	234	*r = '\0';
e4ea58f8	235	cmdline_cfg_add(para, s);
6a0b9d08	236
	237	if (cfg_tail)
	238	cfg_tail->next = para;
	239	else
	240	cfg = para;
	241	cfg_tail = para;
	242	}
d7482997	243	break;
	244	}
	245	p = NULL; /* prevent continued processing */
	246	break;
	247	default:
	248	/*
	249	* Unrecognised option.
	250	*/
	251	{
	252	char opt[2];
	253	opt[0] = c;
	254	opt[1] = '\0';
	255	errs = TRUE, error(err_nosuchopt, opt);
	256	}
	257	}
	258	}
	259	} else {
	260	/*
	261	* A non-option argument.
	262	*/
	263	infiles[nfiles++] = p;
	264	}
	265	}
	266
	267	if (errs)
	268	exit(EXIT_FAILURE);
	269	if (nogo)
	270	exit(EXIT_SUCCESS);
	271
	272	/*
	273	* Do the work.
	274	*/
	275	if (nfiles == 0) {
	276	error(err_noinput);
	277	usage();
	278	exit(EXIT_FAILURE);
	279	}
	280
	281	{
	282	input in;
	283	paragraph sourceform, p;
	284	indexdata *idx;
	285	keywordlist *keywords;
	286
	287	in.filenames = infiles;
	288	in.nfiles = nfiles;
	289	in.currfp = NULL;
	290	in.currindex = 0;
	291	in.npushback = in.pushbacksize = 0;
	292	in.pushback = NULL;
	293	in.reportcols = reportcols;
	294	in.stack = NULL;
675958c3	295	in.defcharset = input_charset;
d7482997	296
	297	idx = make_index();
	298
	299	sourceform = read_input(&in, idx);
	300	if (!sourceform)
	301	exit(EXIT_FAILURE);
	302
6a0b9d08	303	/*
	304	* Append the config directives acquired from the command
	305	* line.
	306	*/
	307	{
	308	paragraph *end;
	309
	310	end = sourceform;
	311	while (end && end->next)
	312	end = end->next;
	313	assert(end);
	314
	315	end->next = cfg;
	316	}
	317
d7482997	318	sfree(in.pushback);
d7482997	319
d7482997	320	sfree(infiles);
	321
	322	keywords = get_keywords(sourceform);
	323	if (!keywords)
	324	exit(EXIT_FAILURE);
	325	gen_citations(sourceform, keywords);
	326	subst_keywords(sourceform, keywords);
	327
	328	for (p = sourceform; p; p = p->next)
	329	if (p->type == para_IM)
f4551933	330	index_merge(idx, TRUE, p->keyword, p->words, &p->fpos);
d7482997	331
	332	build_index(idx);
	333
bb9e7835	334	/*
	335	* Set up attr_First / attr_Last / attr_Always, in the main
	336	* document and in the index entries.
	337	*/
	338	for (p = sourceform; p; p = p->next)
	339	mark_attr_ends(p->words);
	340	{
	341	int i;
	342	indexentry *entry;
	343
	344	for (i = 0; (entry = index234(idx->entries, i)) != NULL; i++)
	345	mark_attr_ends(entry->text);
	346	}
	347
d7482997	348	if (debug) {
	349	index_debug(idx);
	350	dbg_prtkws(keywords);
	351	dbg_prtsource(sourceform);
	352	}
	353
c8fb54d2	354	/*
43341922	355	* Select and run the pre-backends.
	356	*/
	357	prebackbits = 0;
	358	for (k = 0; k < (int)lenof(backends); k++)
	359	if (backendbits == 0 \|\| (backendbits & backends[k].bitfield))
	360	prebackbits \|= backends[k].prebackend_bitfield;
	361	for (k = 0; k < (int)lenof(pre_backends); k++)
	362	if (prebackbits & pre_backends[k].bitfield) {
	363	assert(k < (int)lenof(pre_backend_data));
	364	pre_backend_data[k] =
	365	pre_backends[k].func(sourceform, keywords, idx);
	366	}
	367
	368	/*
c8fb54d2	369	* Run the selected set of backends.
	370	*/
	371	for (k = b = 0; k < (int)lenof(backends); k++)
	372	if (b != backends[k].bitfield) {
	373	b = backends[k].bitfield;
43341922	374	if (backendbits == 0 \|\| (backendbits & b)) {
	375	void *pbd = NULL;
	376	int pbb = backends[k].prebackend_bitfield;
	377	int m;
	378
	379	for (m = 0; m < (int)lenof(pre_backends); m++)
	380	if (pbb & pre_backends[m].bitfield) {
	381	assert(m < (int)lenof(pre_backend_data));
	382	pbd = pre_backend_data[m];
	383	break;
	384	}
	385
	386	backends[k].func(sourceform, keywords, idx, pbd);
	387	}
c8fb54d2	388	}
d7482997	389
	390	free_para_list(sourceform);
	391	free_keywords(keywords);
	392	cleanup_index(idx);
	393	}
	394
	395	return 0;
	396	}
	397
	398	static void dbg_prtsource(paragraph *sourceform) {
	399	/*
	400	* Output source form in debugging format.
	401	*/
	402
	403	paragraph *p;
	404	for (p = sourceform; p; p = p->next) {
	405	wchar_t *wp;
	406	printf("para %d ", p->type);
	407	if (p->keyword) {
	408	wp = p->keyword;
	409	while (*wp) {
	410	putchar('\"');
	411	for (; *wp; wp++)
	412	putchar(*wp);
	413	putchar('\"');
	414	if (*++wp)
	415	printf(", ");
	416	}
	417	} else
	418	printf("(no keyword)");
	419	printf(" {\n");
	420	dbg_prtwordlist(1, p->words);
	421	printf("}\n");
	422	}
	423	}
	424
	425	static void dbg_prtkws(keywordlist *kws) {
	426	/*
	427	* Output keywords in debugging format.
	428	*/
	429
	430	int i;
	431	keyword *kw;
	432
	433	for (i = 0; (kw = index234(kws->keys, i)) != NULL; i++) {
	434	wchar_t *wp;
	435	printf("keyword ");
	436	wp = kw->key;
	437	while (*wp) {
	438	putchar('\"');
	439	for (; *wp; wp++)
	440	putchar(*wp);
	441	putchar('\"');
	442	if (*++wp)
	443	printf(", ");
	444	}
	445	printf(" {\n");
	446	dbg_prtwordlist(1, kw->text);
	447	printf("}\n");
	448	}
	449	}
	450
	451	static void dbg_prtwordlist(int level, word *w) {
	452	for (; w; w = w->next) {
453	wchar_t *wp;
454	printf("%sword %d ", level4, "", w->type);
455	if (w->text) {
456	printf("\"");
457	for (wp = w->text; *wp; wp++)
458	putchar(*wp);
459	printf("\"");
460	} else
461	printf("(no text)");
14b072e2	462	if (w->breaks)
14b072e2	463	printf(" [breaks]");
d7482997	464	if (w->alt) {
	465	printf(" alt = {\n");
	466	dbg_prtwordlist(level+1, w->alt);
	467	printf("%s}", level4, "");
	468	}
	469	printf("\n");
	470	}
	471	}