Example #1
0
static char *
fget_input_string(FILE *in, FILE *out, Parse_Options opts)
{
#ifdef HAVE_EDITLINE
	static char * pline = NULL;
	const char * prompt = "linkparser> ";

	if (in != stdin)
	{
		static char input_string[MAX_INPUT];
		input_pending = FALSE;
		if (fgets(input_string, MAX_INPUT, in)) return input_string;
		return NULL;
	}

	if (input_pending && pline != NULL)
	{
		input_pending = FALSE;
		return pline;
	}
	if (parse_options_get_batch_mode(opts) ||
	    (verbosity == 0) ||
	    input_pending)
	{
		prompt = "";
	}
	input_pending = FALSE;
	if (pline) free(pline);
	pline = readline(prompt);

	/* Save non-blank lines */
	if (pline && *pline)
	{
		if (*pline) add_history(pline);
	}
	return pline;

#else
	static char input_string[MAX_INPUT];

	if ((!parse_options_get_batch_mode(opts)) && 
	    (verbosity > 0) && 
	    (!input_pending))
	{
           /*############################################*/
	//	fprintf(out, "linkparser> ");
          /*############################################*/
		fflush(out);
	}
	input_pending = FALSE;

	/* For UTF-8 input, I think its still technically correct to
	 * use fgets() and not fgetws() at this point. */
	if (fgets(input_string, MAX_INPUT, in)) return input_string;
	else return NULL;
#endif
}
Example #2
0
static int fget_input_char(FILE *in, FILE *out, Parse_Options opts)
{
#ifdef HAVE_EDITLINE
	char * pline = fget_input_string(in, out, opts);
	if (NULL == pline) return EOF;
	if (*pline)
	{
		input_pending = TRUE;
		return *pline;
	}
	return '\n';

#else
	int c;

	if (!parse_options_get_batch_mode(opts) && (verbosity > 0))
        /*############################################*/
       	//	fprintf(out, "linkparser> ");
        /*############################################*/
	fflush(out);

	/* For UTF-8 input, I think its still technically correct to
	 * use fgetc() and not fgetwc() at this point. */
	c = fgetc(in);
	if (c != '\n')
	{
		ungetc(c, in);
		input_pending = TRUE;
	}
	return c;
#endif
}
Example #3
0
static void put_opts_in_local_vars(Parse_Options opts)
{
	local.verbosity = parse_options_get_verbosity(opts);
	local.timeout = parse_options_get_max_parse_time(opts);;
	local.memory = parse_options_get_max_memory(opts);;
	local.linkage_limit = parse_options_get_linkage_limit(opts);
	local.null_block = parse_options_get_null_block(opts);
	local.islands_ok = parse_options_get_islands_ok(opts);
	local.spell_guess = parse_options_get_spell_guess(opts);
	local.short_length = parse_options_get_short_length(opts);
	local.cost_model = parse_options_get_cost_model_type(opts);
	local.max_cost = parse_options_get_disjunct_costf(opts);
	local.echo_on = parse_options_get_echo_on(opts);
	local.batch_mode = parse_options_get_batch_mode(opts);
	local.panic_mode = parse_options_get_panic_mode(opts);
	local.screen_width = parse_options_get_screen_width(opts);
	local.allow_null = parse_options_get_allow_null(opts);
	local.use_cluster_disjuncts = parse_options_get_use_cluster_disjuncts(opts);
#ifdef USE_FAT_LINKAGES
	local.use_fat_links = parse_options_get_use_fat_links(opts);
	local.display_union = parse_options_get_display_union(opts);
#endif /* USE_FAT_LINKAGES */
	local.use_sat_solver = parse_options_get_use_sat_parser(opts);
	local.use_viterbi = parse_options_get_use_viterbi(opts);
	local.screen_width = parse_options_get_screen_width(opts);
	local.display_on = parse_options_get_display_on(opts);
	local.display_postscript = parse_options_get_display_postscript(opts);
	local.display_constituents = parse_options_get_display_constituents(opts);
	local.max_sentence_length = parse_options_get_max_sentence_length(opts);
	local.display_bad = parse_options_get_display_bad(opts);
	local.display_disjuncts = parse_options_get_display_disjuncts(opts);
	local.display_links = parse_options_get_display_links(opts);
	local.display_senses = parse_options_get_display_senses(opts);
	local.display_walls = parse_options_get_display_walls(opts);
}
Example #4
0
int fget_input_string(char *input_string, FILE *in, FILE *out, 
		      Parse_Options opts) {
    if ((!parse_options_get_batch_mode(opts)) && (verbosity > 0)
	&& (!input_pending)) fprintf(out, "linkparser> ");
    fflush(out);
    input_pending = FALSE;
    if (fgets(input_string, MAXINPUT, in)) return 1;
    else return 0;
}
Example #5
0
void put_opts_in_local_vars(Parse_Options opts) {
    local.verbosity = parse_options_get_verbosity(opts);
    local.timeout = parse_options_get_max_parse_time(opts);;
    local.memory = parse_options_get_max_memory(opts);;
    local.linkage_limit = parse_options_get_linkage_limit(opts);
    local.null_block = parse_options_get_null_block(opts);
    local.islands_ok = parse_options_get_islands_ok(opts);
    local.short_length = parse_options_get_short_length(opts);
    local.echo_on = parse_options_get_echo_on(opts);
    local.batch_mode = parse_options_get_batch_mode(opts);
    local.panic_mode = parse_options_get_panic_mode(opts);
    local.screen_width = parse_options_get_screen_width(opts);
    local.allow_null = parse_options_get_allow_null(opts);
    local.screen_width = parse_options_get_screen_width(opts);
    local.display_on = parse_options_get_display_on(opts);
    local.display_postscript = parse_options_get_display_postscript(opts);
    local.display_constituents = parse_options_get_display_constituents(opts);
    local.max_sentence_length = parse_options_get_max_sentence_length(opts);
    local.display_bad = parse_options_get_display_bad(opts);
    local.display_links = parse_options_get_display_links(opts);
    local.display_walls = parse_options_get_display_walls(opts);
    local.display_union = parse_options_get_display_union(opts);
}
Example #6
0
int main(int argc, char * argv[])
{
	FILE            *input_fh = stdin;
	Dictionary      dict;
	Sentence        sent;
	const char     *language="en";  /* default to english, and not locale */
	int             pp_on=TRUE;
	int             af_on=TRUE;
	int             cons_on=TRUE;
	int             num_linkages, i;
	char            *input_string;
	Label           label = NO_LABEL;
	const char      *codeset;
       /*############################################################################################*/
        int             num=0;
        FILE            *fp2,*fp_word_info,*fp_num,*fp_lname,*fp_rel,*fp_lcount,*fp_word_cat,*fp_word;
       /*##############################################################################################*/

	i = 1;
        /*############################################################################################*/
        if (argc > 4){
                 num =atoi(argv[4]);
                 num=num-1;
///             language = argv[1];
       /*####################################################################################*/
//
//	if ((argc > 1) && (argv[1][0] != '-')) {
		/* the dictionary is the first argument if it doesn't begin with "-" */
//		language = argv[1];
		i++;
	}
       /*################################*/
       language = argv[1];
       /*################################*/
 
	/* Get the locale from the environment... 
	 * perhaps we should someday get it from the dictionary ??
	 */
	setlocale(LC_ALL, "");

	/* Check to make sure the current locale is UTF8; if its not,
	 * then force-set this to the english utf8 locale 
	 */
	codeset = nl_langinfo(CODESET);
	if (!strstr(codeset, "UTF") && !strstr(codeset, "utf"))
	{
		setlocale(LC_CTYPE, "en_US.UTF-8");
	}
 /*########################################*/
	for (; i<argc-3; i++) {
 /*########################################*/
		if (argv[i][0] == '-') {
			if (strcmp("--version", argv[i])==0) {
				printf("Version: %s\n", linkgrammar_get_version());
				exit(0);
			} else if (strcmp("-ppoff", argv[i])==0) {
				pp_on = FALSE;
			} else if (strcmp("-coff", argv[i])==0) {
				cons_on = FALSE;
			} else if (strcmp("-aoff", argv[i])==0) {
				af_on = FALSE;
			} else if (strcmp("-batch", argv[i])==0) {
			} else if (strncmp("-!", argv[i],2)==0) {
			} else {
				print_usage(argv[0]);
			}
		} else {
			print_usage(argv[0]);
		}
	}

	opts = parse_options_create();
	if (opts == NULL) {
		fprintf(stderr, "%s: Fatal error: unable to create parse options\n", argv[0]);
		exit(-1);
	}

	panic_parse_opts = parse_options_create();
	if (panic_parse_opts == NULL) {
		fprintf(stderr, "%s: Fatal error: unable to create panic parse options\n", argv[0]);
		exit(-1);
	}
	setup_panic_parse_options(panic_parse_opts);
	parse_options_set_max_sentence_length(opts, 170);
	parse_options_set_panic_mode(opts, TRUE);
	parse_options_set_max_parse_time(opts, 30);
	parse_options_set_linkage_limit(opts, 1000);
	parse_options_set_short_length(opts, 10);
       /*##########################################*/
//        parse_options_set_display_on(opts, TRUE);
       /*##########################################*/

	if(language && *language)
		dict = dictionary_create_lang(language);
	else
		dict = dictionary_create_default_lang();

	if (dict == NULL) {
               /*###########################################################################*/
		fprintf(stderr, "%s: Fatal error: Unable to open  dictionary.\n", argv[1]);
                /*##########################################################################*/
		exit(-1);
	}

	/* process the command line like commands */
	for (i=1; i<argc; i++) {
		if ((strcmp("-pp", argv[i])==0) ||
			(strcmp("-c", argv[i])==0) ||
			(strcmp("-a", argv[i])==0))
		{
			i++;
		}
		else if ((argv[i][0] == '-') && (strcmp("-ppoff", argv[i])!=0) &&
		         (argv[i][0] == '-') && (strcmp("-coff", argv[i])!=0) &&
		         (argv[i][0] == '-') && (strcmp("-aoff", argv[i])!=0))
		{
			if (argv[i][1] == '!')
				issue_special_command(argv[i]+2, opts, dict);
			else
				issue_special_command(argv[i]+1, opts, dict);
		}
	}

	verbosity = parse_options_get_verbosity(opts);

	/* Main input loop */
	while (1)
	{
		input_string = fget_input_string(input_fh, stdout, opts);

		if (NULL == input_string)
		{
			if (input_fh == stdin) break;
			fclose (input_fh);
			input_fh = stdin;
			continue;
		}

		if ((strcmp(input_string, "quit\n")==0) ||
			(strcmp(input_string, "exit\n")==0)) break;

		/* We have to handle the !file command inline; its too hairy
		 * otherwise ... */
		if (strncmp(input_string, "!file", 5) == 0)
		{
			char * filename = &input_string[6];
			input_fh = fopen(filename, "r");
			if (NULL == input_fh)
			{
				int perr = errno;
				fprintf(stderr, "Error: %s (%d) %s\n",
				        filename, perr, strerror(perr));
				input_fh = stdin;
				continue;
			}
			continue;
		}

		if (special_command(input_string, dict)) continue;
		if (parse_options_get_echo_on(opts)) {
			printf("%s", input_string);
		}

		if (parse_options_get_batch_mode(opts)) {
			label = strip_off_label(input_string);
		}

		sent = sentence_create(input_string, dict);

		if (sent == NULL) continue;

		if (sentence_length(sent) > parse_options_get_max_sentence_length(opts)) {
			if (verbosity > 0) {
				fprintf(stdout,
				       "Sentence length (%d words) exceeds maximum allowable (%d words)\n",
					sentence_length(sent), parse_options_get_max_sentence_length(opts));
			}
			sentence_delete(sent);
			continue;
		}

		/* First parse with cost 0 or 1 and no null links */
		parse_options_set_disjunct_cost(opts, 2);
		parse_options_set_min_null_count(opts, 0);
		parse_options_set_max_null_count(opts, 0);
		parse_options_reset_resources(opts);

		num_linkages = sentence_parse(sent, opts);

              //############################################################################################
               if(num+1>num_linkages && num_linkages != 0)
               {
                 sprintf(link_info_filename,"%s/%s_tmp/linkid_cat.txt",argv[2],argv[3]);
                 fp2 = fopen(link_info_filename,"a");
                 if(fp2==NULL) {printf("Could not open %s for writing\n",link_info_filename);exit(1);}
                 fprintf(fp2,";~~~~~~~~~~\n");
                 fclose(fp2);
                 sprintf(link_info_filename,"%s/%s_tmp/linkid_word.txt",argv[2],argv[3]);
                 fp_word= fopen(link_info_filename, "a");
        	 if(fp_word==NULL) {printf("Could not open %s for writing\n",link_info_filename);exit(1);}
                 fprintf(fp_word,";~~~~~~~~~~\n");
                 fclose(fp_word);                 

	         sprintf(link_info_filename,"%s/%s_tmp/link_numeric_word.txt",argv[2],argv[3]);
        	 fp_word_info= fopen(link_info_filename, "a");
	         if(fp_word_info==NULL) {printf("Could not open %s for writing\n",link_info_filename);exit(1);}
                 fprintf(fp_word_info,";~~~~~~~~~~\n");
                 fclose(fp_word_info);

	         sprintf(link_info_filename,"%s/%s_tmp/link_name_expand.txt",argv[2],argv[3]);
        	 fp_lname =fopen(link_info_filename,"a");
	         if(fp_lname==NULL) {printf("Could not open %s for writing\n",link_info_filename);exit(1);}
                 fprintf(fp_lname,";~~~~~~~~~~\n");
                 fclose(fp_lname);

        	 sprintf(link_info_filename,"%s/%s_tmp/link_relation_info.txt",argv[2],argv[3]);
	         fp_rel = fopen(link_info_filename,"a");
        	 if(fp_rel==NULL) {printf("Could not open %s for writing\n",link_info_filename);exit(1);}
                 fprintf(fp_rel,";~~~~~~~~~~\n");
                 fclose(fp_rel);

                 
                /* sprintf(link_info_filename,"%s/%s_tmp/constituents.txt",argv[2],argv[3]);
                 fp = fopen(link_info_filename,"a");
                 if(fp==NULL) {printf("Could not open %s for writing\n",link_info_filename);exit(1);}
                 fprintf(fp,"\n");
                 fprintf(fp,";~~~~~~~~~~\n");
                 fclose(fp);*/
                }
                 sprintf(link_info_filename,"%s/%s_tmp/linkage_count.txt",argv[2],argv[3]);
                 fp_lcount = fopen(link_info_filename,"a");
                 if(fp_lcount==NULL) {printf("Could not open %s for writing\n",link_info_filename);exit(1);}
                 fprintf(fp_lcount, "(Found maximum of %d linkages )\n",num_linkages);
                 fprintf(fp_lcount,";~~~~~~~~~~\n");
                 fclose(fp_lcount);
                //############################################################################################
        
		if (num_linkages < 0) continue;
		/* Now parse with null links */
		if ((num_linkages == 0) && (!parse_options_get_batch_mode(opts))) {
			if (verbosity > 0) //fprintf(stdout, "No complete linkages found.\n");
                         
        //############################################################################################
                     /*  This part of the code written by Maha Laxmi and Shirisha Manju
                     *   if no complete linkage is found then redirect the output to standard output in clips format*/
         sprintf(link_info_filename,"%s/%s_tmp/number.txt",argv[2],argv[3]);
         fp_num =fopen(link_info_filename,"a");
         if(fp_num==NULL) {printf("Could not open %s for writing\n",link_info_filename);exit(1);}

/*         sprintf(link_info_filename,"%s/%s_tmp/constituents.txt",argv[2],argv[3]);
         fp_cons= fopen(link_info_filename,"a");
         if(fp_cons==NULL) {printf("Could not open %s for writing\n",link_info_filename);exit(1);}*/

         sprintf(link_info_filename,"%s/%s_tmp/linkid_word.txt",argv[2],argv[3]);
         fp_word= fopen(link_info_filename, "a");
         if(fp_word==NULL) {printf("Could not open %s for writing\n",link_info_filename);exit(1);}

         sprintf(link_info_filename,"%s/%s_tmp/link_numeric_word.txt",argv[2],argv[3]);
         fp_word_info= fopen(link_info_filename, "a");
         if(fp_word_info==NULL) {printf("Could not open %s for writing\n",link_info_filename);exit(1);}

         sprintf(link_info_filename,"%s/%s_tmp/linkid_cat.txt",argv[2],argv[3]);
         fp_word_cat= fopen(link_info_filename, "a");
         if(fp_word_cat==NULL) {printf("Could not open %s for writing\n",link_info_filename);exit(1);}

         sprintf(link_info_filename,"%s/%s_tmp/link_name_expand.txt",argv[2],argv[3]);
         fp_lname =fopen(link_info_filename,"a");
         if(fp_lname==NULL) {printf("Could not open %s for writing\n",link_info_filename);exit(1);}

         sprintf(link_info_filename,"%s/%s_tmp/link_relation_info.txt",argv[2],argv[3]);
         fp_rel = fopen(link_info_filename,"a");
         if(fp_rel==NULL) {printf("Could not open %s for writing\n",link_info_filename);exit(1);}

         fprintf(fp_word, "\n(No complete linkages found)\n");
         fprintf(fp_word_cat, "\n(No complete linkages found)\n");
         fprintf(fp_word_info, "\n(No complete linkages found)\n");
         fprintf(fp_lname, "\n(No complete linkages found)\n");
         fprintf(fp_rel,"\n(No complete linkages found)\n");
        
         fprintf(fp_word_cat,";~~~~~~~~~~\n");  //  fprintf(fp_cons,";~~~~~~~~~~\n");
         fprintf(fp_lname,";~~~~~~~~~~\n");       fprintf(fp_rel,";~~~~~~~~~~\n");
         fprintf(fp_word_info,";~~~~~~~~~~\n");   fprintf(fp_word,";~~~~~~~~~~\n");

        /* fclose(fp_cons);  */      fclose(fp_word_cat);  fclose(fp_word_info);
         fclose(fp_lname);       fclose(fp_rel);       fclose(fp_word);

           continue;
  /*###############################################################################################################*/               

			if (parse_options_get_allow_null(opts)) {
				parse_options_set_min_null_count(opts, 1);
				parse_options_set_max_null_count(opts, sentence_length(sent));
				num_linkages = sentence_parse(sent, opts);
			}
		}

		if (parse_options_timer_expired(opts)) {
			if (verbosity > 0) fprintf(stdout, "Timer is expired!\n");
		}
		if (parse_options_memory_exhausted(opts)) {
			if (verbosity > 0) fprintf(stdout, "Memory is exhausted!\n");
		}

		if ((num_linkages == 0) &&
			parse_options_resources_exhausted(opts) &&
			parse_options_get_panic_mode(opts)) {
			/* print_total_time(opts); */
			if (verbosity > 0) fprintf(stdout, "Entering \"panic\" mode...\n");
			parse_options_reset_resources(panic_parse_opts);
			parse_options_set_verbosity(panic_parse_opts, verbosity);
			num_linkages = sentence_parse(sent, panic_parse_opts);
			if (parse_options_timer_expired(panic_parse_opts)) {
				if (verbosity > 0) fprintf(stdout, "Timer is expired!\n");
			}
		}

		/* print_total_time(opts); */

		if (parse_options_get_batch_mode(opts)) {
                        //#######################################################################
                            batch_process_some_linkages(label, sent, opts,argv[2],argv[3]);
                        //#########################################################################
   //			batch_process_some_linkages(label, sent, opts);
		}
               /*###############################################################################*/
               //   send num as an argument to process_some_linkages
                else {
                        int c = process_some_linkages(sent, opts,num,argv[2],argv[3]);
                        if (c == EOF) break;
                      }
              /*################################################################################*/

/*		else {
			int c = process_some_linkages(sent, opts);
			if (c == EOF) break;
		}*/

		sentence_delete(sent);
	}

	if (parse_options_get_batch_mode(opts)) {
		/* print_time(opts, "Total"); */
/*		fprintf(stderr,
				"%d error%s.\n", batch_errors, (batch_errors==1) ? "" : "s");*/
	}

	parse_options_delete(panic_parse_opts);
	parse_options_delete(opts);
	dictionary_delete(dict);

//	printf ("Bye.\n");
	return 0;
}
Example #7
0
int fget_input_char(FILE *in, FILE *out, Parse_Options opts) {
    if (!parse_options_get_batch_mode(opts) && (verbosity > 0)) 
      fprintf(out, "linkparser> ");
    fflush(out);
    return getc(in);
}
Example #8
0
int main(int argc, char * argv[]) {

    Dictionary      dict;
    Sentence        sent;
    char            *dictionary_file=NULL;
    char            *post_process_knowledge_file=NULL;
    char            *constituent_knowledge_file=NULL;
    char            *affix_file=NULL;
    int             pp_on=TRUE;
    int             af_on=TRUE;
    int             cons_on=TRUE;
    int             num_linkages, i;
    char            input_string[MAXINPUT];
    Label           label = NO_LABEL;  
    int             parsing_space_leaked, reported_leak, dictionary_and_option_space;


    i = 1;
    if ((argc > 1) && (argv[1][0] != '-')) {
	/* the dictionary is the first argument if it doesn't begin with "-" */
	dictionary_file = argv[1];	
	i++;
    }

    for (; i<argc; i++) {
	if (argv[i][0] == '-') {
	    if (strcmp("-pp", argv[i])==0) {
		if ((post_process_knowledge_file != NULL) || (i+1 == argc)) 
		  print_usage(argv[0]);
		post_process_knowledge_file = argv[i+1];
		i++;
	    } else 
	    if (strcmp("-c", argv[i])==0) {
		if ((constituent_knowledge_file != NULL) || (i+1 == argc)) 
		  print_usage(argv[0]);
		constituent_knowledge_file = argv[i+1];
		i++;
	    } else 
	    if (strcmp("-a", argv[i])==0) {
		if ((affix_file != NULL) || (i+1 == argc)) print_usage(argv[0]);
		affix_file = argv[i+1];
		i++;
	    } else if (strcmp("-ppoff", argv[i])==0) {
		pp_on = FALSE;
	    } else if (strcmp("-coff", argv[i])==0) {
		cons_on = FALSE;
	    } else if (strcmp("-aoff", argv[i])==0) {
		af_on = FALSE;
	    } else if (strcmp("-batch", argv[i])==0) {
	    } else if (strncmp("-!", argv[i],2)==0) {
	    } else {
		print_usage(argv[0]);		
	    }
	} else {
	    print_usage(argv[0]);
	}
    }

    if (!pp_on && post_process_knowledge_file != NULL) print_usage(argv[0]);

    if (dictionary_file == NULL) {
	dictionary_file = "4.0.dict";
        fprintf(stderr, "No dictionary file specified.  Using %s.\n", 
		dictionary_file);
    }

    if (af_on && affix_file == NULL) {
	affix_file = "4.0.affix";
        fprintf(stderr, "No affix file specified.  Using %s.\n", affix_file);
    }

    if (pp_on && post_process_knowledge_file == NULL) {
	post_process_knowledge_file = "4.0.knowledge";
        fprintf(stderr, "No post process knowledge file specified.  Using %s.\n",
		post_process_knowledge_file);
    }

    if (cons_on && constituent_knowledge_file == NULL) {
        constituent_knowledge_file = "4.0.constituent-knowledge"; 
	fprintf(stderr, "No constituent knowledge file specified.  Using %s.\n", 
		constituent_knowledge_file);
    }

    opts = parse_options_create();
    if (opts == NULL) {
	fprintf(stderr, "%s\n", lperrmsg);
	exit(-1);
    }

    panic_parse_opts = parse_options_create();
    if (panic_parse_opts == NULL) {
	fprintf(stderr, "%s\n", lperrmsg);
	exit(-1);
    }
    setup_panic_parse_options(panic_parse_opts);
    parse_options_set_max_sentence_length(opts, 70);
    parse_options_set_panic_mode(opts, TRUE);
    parse_options_set_max_parse_time(opts, 30);
    parse_options_set_linkage_limit(opts, 1000);
    parse_options_set_short_length(opts, 10);

    dict = dictionary_create(dictionary_file, 
			     post_process_knowledge_file,
			     constituent_knowledge_file,
			     affix_file);
    if (dict == NULL) {
	fprintf(stderr, "%s\n", lperrmsg);
	exit(-1);
    }

    /* process the command line like commands */
    for (i=1; i<argc; i++) {
	if ((strcmp("-pp", argv[i])==0) || 
	    (strcmp("-c", argv[i])==0) || 
	    (strcmp("-a", argv[i])==0)) {
	  i++;
	} else if ((argv[i][0] == '-') && (strcmp("-ppoff", argv[i])!=0) &&
		   (argv[i][0] == '-') && (strcmp("-coff", argv[i])!=0) &&
		   (argv[i][0] == '-') && (strcmp("-aoff", argv[i])!=0)) {
	  issue_special_command(argv[i]+1, opts, dict);
	}
    }

    dictionary_and_option_space = space_in_use;  
    reported_leak = external_space_in_use = 0;
    verbosity = parse_options_get_verbosity(opts);

    while (fget_input_string(input_string, stdin, stdout, opts)) {

	if (space_in_use != dictionary_and_option_space + reported_leak) {
	    fprintf(stderr, "Warning: %d bytes of space leaked.\n",
		    space_in_use-dictionary_and_option_space-reported_leak);
	    reported_leak = space_in_use - dictionary_and_option_space;
	}

	if ((strcmp(input_string, "quit\n")==0) ||
	    (strcmp(input_string, "exit\n")==0)) break;

	if (special_command(input_string, dict)) continue;
	if (parse_options_get_echo_on(opts)) {
	    printf("%s", input_string);
	}

	if (parse_options_get_batch_mode(opts)) {
	    label = strip_off_label(input_string);
	}

	sent = sentence_create(input_string, dict);

	if (sent == NULL) {
	    if (verbosity > 0) fprintf(stderr, "%s\n", lperrmsg);
	    if (lperrno != NOTINDICT) exit(-1);
	    else continue;
	} 
	if (sentence_length(sent) > parse_options_get_max_sentence_length(opts)) {
	    sentence_delete(sent);
	    if (verbosity > 0) {
	      fprintf(stdout, 
		      "Sentence length (%d words) exceeds maximum allowable (%d words)\n",
		    sentence_length(sent), parse_options_get_max_sentence_length(opts));
	    }
	    continue;
	}

	/* First parse with cost 0 or 1 and no null links */
	parse_options_set_disjunct_cost(opts, 2);
	parse_options_set_min_null_count(opts, 0);
	parse_options_set_max_null_count(opts, 0);
	parse_options_reset_resources(opts);

	num_linkages = sentence_parse(sent, opts);

	/* Now parse with null links */
	if ((num_linkages == 0) && (!parse_options_get_batch_mode(opts))) {
	    if (verbosity > 0) fprintf(stdout, "No complete linkages found.\n");
	    if (parse_options_get_allow_null(opts)) {
		parse_options_set_min_null_count(opts, 1);
		parse_options_set_max_null_count(opts, sentence_length(sent));
		num_linkages = sentence_parse(sent, opts);
	    }
	}

	if (parse_options_timer_expired(opts)) {
	    if (verbosity > 0) fprintf(stdout, "Timer is expired!\n");
	}
	if (parse_options_memory_exhausted(opts)) {
	    if (verbosity > 0) fprintf(stdout, "Memory is exhausted!\n");
	}

	if ((num_linkages == 0) && 
	    parse_options_resources_exhausted(opts) &&
	    parse_options_get_panic_mode(opts)) {
	    print_total_time(opts);
	    if (verbosity > 0) fprintf(stdout, "Entering \"panic\" mode...\n");
	    parse_options_reset_resources(panic_parse_opts);
	    parse_options_set_verbosity(panic_parse_opts, verbosity);
	    num_linkages = sentence_parse(sent, panic_parse_opts);
	    if (parse_options_timer_expired(panic_parse_opts)) {
		if (verbosity > 0) fprintf(stdout, "Timer is expired!\n");
	    }
	}

	print_total_time(opts);

	if (parse_options_get_batch_mode(opts)) {
	    batch_process_some_linkages(label, sent, opts);
	}
	else {
	    process_some_linkages(sent, opts);
	}

	sentence_delete(sent);
	if (external_space_in_use != 0) {
	    fprintf(stderr, "Warning: %d bytes of external space leaked.\n", 
		    external_space_in_use);
	}
    }

    if (parse_options_get_batch_mode(opts)) {
	print_time(opts, "Total");
	fprintf(stderr, 
		"%d error%s.\n", batch_errors, (batch_errors==1) ? "" : "s");
    }

    parsing_space_leaked = space_in_use - dictionary_and_option_space;
    if (parsing_space_leaked != 0) {
        fprintf(stderr, "Warning: %d bytes of space leaked during parsing.\n", 
		parsing_space_leaked);
    }

    parse_options_delete(panic_parse_opts);
    parse_options_delete(opts);
    dictionary_delete(dict);

    if (space_in_use != parsing_space_leaked) {
        fprintf(stderr, 
		"Warning: %d bytes of dictionary and option space leaked.\n", 
		space_in_use - parsing_space_leaked);
    } 
    else if (parsing_space_leaked == 0) {
        fprintf(stderr, "Good news: no space leaked.\n");
    }

    if (external_space_in_use != 0) {
        fprintf(stderr, "Warning: %d bytes of external space leaked.\n", 
		external_space_in_use);
    }

    return 0;
}