root/htags/src2html.c

/* [<][>][^][v][top][bottom][index][help] */

DEFINITIONS

This source file includes following definitions.
  1. get_lang_entry
  2. echoc
  3. echos
  4. HTML_quoting
  5. fill_anchor
  6. link_format
  7. generate_guide
  8. tooltip
  9. put_anchor
  10. put_include_anchor
  11. put_reserved_word
  12. put_macro
  13. unknown_preprocessing_directive
  14. unexpected_eof
  15. unknown_yacc_directive
  16. missing_left
  17. put_char
  18. put_string
  19. put_brace
  20. put_begin_of_line
  21. put_end_of_line
  22. encode
  23. get_cvs_module
  24. src2html

/*
 * Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
 *              2006
 *      Tama Communications Corporation
 *
 * This file is part of GNU GLOBAL.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#ifdef STDC_HEADERS
#include <stdlib.h>
#endif
#include <ctype.h>

#include "global.h"
#include "anchor.h"
#include "cache.h"
#include "common.h"
#include "incop.h"
#include "path2url.h"
#include "htags.h"

/*----------------------------------------------------------------------*/
/* Parser switch                                                        */
/*----------------------------------------------------------------------*/
/*
 * This is the linkage section of each parsers.
 * If you want to support new language, you must define two procedures:
 *      1. Initializing procedure.
 *              Called once first with an input file descripter.
 *      2. Executing procedure.
 *              Called repeatedly until returning EOF.
 *              It should read from above descripter and write HTML
 *              using output procedures in this module.
 */
struct lang_entry {
        const char *lang_name;
        void (*init_proc)(FILE *);              /* initializing procedure */
        int (*exec_proc)(void);                 /* executing procedure */
};

/* initializing procedures */
void c_parser_init(FILE *);
void yacc_parser_init(FILE *);
void cpp_parser_init(FILE *);
void java_parser_init(FILE *);
void php_parser_init(FILE *);
void asm_parser_init(FILE *);

/* executing procedures */
int c_lex(void);
int cpp_lex(void);
int java_lex(void);
int php_lex(void);
int asm_lex(void);

/*
 * The first entry is default language.
 */
struct lang_entry lang_switch[] = {
        /* lang_name    init_proc               exec_proc */
        {"c",           c_parser_init,          c_lex},         /* DEFAULT */
        {"yacc",        yacc_parser_init,       c_lex},
        {"cpp",         cpp_parser_init,        cpp_lex},
        {"java",        java_parser_init,       java_lex},
        {"php",         php_parser_init,        php_lex},
        {"asm",         asm_parser_init,        asm_lex}
};
#define DEFAULT_ENTRY &lang_switch[0]

/*
 * get language entry.
 *
 *      i)      lang    language name (NULL means 'not specified'.)
 *      r)              language entry
 */
static struct lang_entry *
get_lang_entry(const char *lang)
{
        int i, size = sizeof(lang_switch) / sizeof(struct lang_entry);

        /*
         * if language not specified, it assumes default language.
         */
        if (lang == NULL)
                return DEFAULT_ENTRY;
        for (i = 0; i < size; i++)
                if (!strcmp(lang, lang_switch[i].lang_name))
                        return &lang_switch[i];
        /*
         * if specified language not found, it assumes default language.
         */
        return DEFAULT_ENTRY;
}
/*----------------------------------------------------------------------*/
/* Input/Output                                                         */
/*----------------------------------------------------------------------*/
/*
 * Input/Output descriptor.
 */
static FILEOP *fileop_out;
static FILEOP *fileop_in;
static FILE *out;
static FILE *in;

STATIC_STRBUF(outbuf);
static const char *curpfile;
static int warned;
static int last_lineno;

/*
 * Put a character to HTML as is.
 *
 * You should use this function to put a control character.
 */
void
echoc(int c)
{
        strbuf_putc(outbuf, c);
}
/*
 * Put a string to HTML as is.
 *
 * You should use this function to put a control sequence.
 */
void
echos(const char *s)
{
        strbuf_puts(outbuf, s);
}
/*----------------------------------------------------------------------*/
/* HTML output                                                          */
/*----------------------------------------------------------------------*/
/*
 * Quote character with HTML's way.
 */
static const char *
HTML_quoting(int c)
{
        if (c == '<')
                return quote_little;
        else if (c == '>')
                return quote_great;
        else if (c == '&')
                return quote_amp;
        return NULL;
}
/*
 * fill_anchor: fill anchor into file name
 *
 *       i)      $root   root or index page
 *       i)      $path   path name
 *       r)              hypertext file name string
 */
const char *
fill_anchor(const char *root, const char *path)
{
        STATIC_STRBUF(sb);
        char buf[MAXBUFLEN], *limit, *p;

        strbuf_clear(sb);
        strlimcpy(buf, path, sizeof(buf));
        for (p = buf; *p; p++)
                if (*p == sep)
                        *p = '\0';
        limit = p;

        strbuf_sprintf(sb, "%sroot%s/", gen_href_begin_simple(root), gen_href_end());
        {
                const char *next;

                for (p = buf; p < limit; p += strlen(p) + 1) {
                        const char *path = buf;
                        const char *unit = p;

                        next = p + strlen(p) + 1;
                        if (next > limit) {
                                strbuf_puts(sb, unit);
                                break;
                        }
                        if (p > buf)
                                *(p - 1) = sep;
                        strbuf_puts(sb, gen_href_begin("../files", path2fid(path), HTML, NULL));
                        strbuf_puts(sb, unit);
                        strbuf_puts(sb, gen_href_end());
                        strbuf_putc(sb, '/');
                }
        }
        return strbuf_value(sb);
}

/*
 * link_format: make hypertext from anchor array.
 *
 *      i)      (previous, next, first, last, top, bottom)
 *              -1: top, -2: bottom, other: line number
 *      r)      HTML
 */
const char *
link_format(int ref[A_SIZE])
{
        STATIC_STRBUF(sb);
        const char **label = Iflag ? anchor_comment : anchor_label;
        const char **icons = anchor_icons;
        int i;

        strbuf_clear(sb);
        for (i = 0; i < A_LIMIT; i++) {
                if (i == A_INDEX) {
                        strbuf_puts(sb, gen_href_begin("..", "mains", normal_suffix, NULL));
                } else if (i == A_HELP) {
                        strbuf_puts(sb, gen_href_begin("..", "help", normal_suffix, NULL));
                } else if (ref[i]) {
                        char tmp[32], *key = tmp;

                        if (ref[i] == -1)
                                key = "TOP";
                        else if (ref[i] == -2)
                                key = "BOTTOM";
                        else
                                snprintf(tmp, sizeof(tmp), "%d", ref[i]);
                        strbuf_puts(sb, gen_href_begin(NULL, NULL, NULL, key));
                }
                if (Iflag) {
                        char tmp[MAXPATHLEN];
                        snprintf(tmp, sizeof(tmp), "%s%s", (i != A_INDEX && i != A_HELP && ref[i] == 0) ? "n_" : "", icons[i]);
                        strbuf_puts(sb, gen_image(PARENT, tmp, label[i]));
                } else {
                        strbuf_sprintf(sb, "[%s]", label[i]);
                }
                if (i == A_INDEX || i == A_HELP || ref[i] != 0)
                        strbuf_puts(sb, gen_href_end());
        }
        return strbuf_value(sb);
}
/*
 * generate_guide: generate guide string for definition line.
 *
 *      i)      lineno  line number
 *      r)              guide string
 */
const char *
generate_guide(int lineno)
{
        STATIC_STRBUF(sb);
        int i = 0;

        strbuf_clear(sb);
        if (definition_header == RIGHT_HEADER)
                i = 4;
        else if (nflag)
                i = ncol + 1;
        if (i > 0)
                for (; i > 0; i--)
                        strbuf_putc(sb, ' ');
        strbuf_sprintf(sb, "%s/* ", comment_begin);
        strbuf_puts(sb, link_format(anchor_getlinks(lineno)));
        if (show_position)
                strbuf_sprintf(sb, "%s%s[+%d %s]%s",
                        quote_space, position_begin, lineno, curpfile, position_end);
        strbuf_sprintf(sb, " */%s", comment_end);

        return strbuf_value(sb);
}
/*
 * tooltip: generate tooltip string
 *
 *      i)      type    I,R,Y,D,M
 *      i)      lno     line number
 *      i)      opt     
 *      r)              tooltip string
 */
const char *
tooltip(int type, int lno, const char *opt)
{
        STATIC_STRBUF(sb);

        strbuf_clear(sb);
        if (lno > 0) {
                if (type == 'I')
                        strbuf_puts(sb, "Included from");
                else if (type == 'R')
                        strbuf_puts(sb, "Defined at");
                else if (type == 'Y')
                        strbuf_puts(sb, "Used at");
                else
                        strbuf_puts(sb, "Refered from");
                strbuf_putc(sb, ' ');
                strbuf_putn(sb, lno);
                if (opt) {
                        strbuf_puts(sb, " in ");
                        strbuf_puts(sb, opt);
                }
        } else {
                strbuf_puts(sb, "Multiple ");
                if (type == 'I')
                        strbuf_puts(sb, "included from");
                else if (type == 'R')
                        strbuf_puts(sb, "defined in");
                else if (type == 'Y')
                        strbuf_puts(sb, "used in");
                else
                        strbuf_puts(sb, "refered from");
                strbuf_putc(sb, ' ');
                strbuf_puts(sb, opt);
                strbuf_putc(sb, ' ');
                strbuf_puts(sb, "places");
        }
        strbuf_putc(sb, '.');
        return strbuf_value(sb);
}
/*
 * put_anchor: output HTML anchor.
 *
 *      i)      name    tag
 *      i)      type    tag type
 *      i)      lineno  current line no
 */
void
put_anchor(char *name, int type, int lineno)
{
        const char *line;
        int db;

        if (type == 'R')
                db = GTAGS;
        else if (type == 'Y')
                db = GSYMS;
        else    /* 'D', 'M' or 'T' */
                db = GRTAGS;
        line = cache_get(db, name);
        if (line == NULL) {
                if ((type == 'R' || type == 'Y') && wflag) {
                        warning("%s %d %s(%c) found but not defined.",
                                curpfile, lineno, name, type);
                        if (colorize_warned_line)
                                warned = 1;
                }
                strbuf_puts(outbuf, name);
        } else {
                /*
                 * About cache record format, please see the comment in cache.c.
                 */
                if (*line == ' ') {
                        char tmp[MAXPATHLEN];
                        const char *id = strmake(++line, " ");
                        const char *count = locatestring(line, " ", MATCH_FIRST) + 1;
                        const char *dir, *file, *suffix = NULL;

                        if (dynamic) {
                                const char *s;

                                dir = (*action == '/') ? NULL : "..";
                                if (db == GTAGS)
                                        s = "definitions";
                                else if (db == GRTAGS)
                                        s = "reference";
                                else
                                        s = "symbol";
                                snprintf(tmp, sizeof(tmp), "%s?pattern=%s%stype=%s",
                                        action, name, quote_amp, s);
                                file = tmp;
                        } else {
                                if (type == 'R')
                                        dir = upperdir(DEFS);
                                else if (type == 'Y')
                                        dir = upperdir(SYMS);
                                else    /* 'D', 'M' or 'T' */
                                        dir = upperdir(REFS);
                                file = id;
                                suffix = HTML;
                        }
                        strbuf_puts(outbuf, gen_href_begin_with_title(dir, file, suffix, NULL, tooltip(type, -1, count)));
                        strbuf_puts(outbuf, name);
                        strbuf_puts(outbuf, gen_href_end());
                } else {
                        char lno[32];
                        const char *filename;

                        /*
                         * Don't make a link which refers to itself.
                         * Being used only once means that it is a self link.
                         */
                        if (db == GSYMS) {
                                strbuf_puts(outbuf, name);
                                return;
                        }
                        strlimcpy(lno, strmake(line, " "), sizeof(lno));
                        filename = strmake(locatestring(line, " ", MATCH_FIRST) + 1, " ")
                                                + 2;    /* remove './' */
                        strbuf_puts(outbuf, gen_href_begin_with_title(upperdir(SRCS), path2fid(filename), HTML, lno, tooltip(type, atoi(lno), filename)));
                        strbuf_puts(outbuf, name);
                        strbuf_puts(outbuf, gen_href_end());
                }
        }
}
/*
 * put_include_anchor: output HTML anchor.
 *
 *      i)      inc     inc structure
 *      i)      path    path name for display
 */
void
put_include_anchor(struct data *inc, const char *path)
{
        if (inc->count == 1)
                strbuf_puts(outbuf, gen_href_begin(NULL, path2fid(strbuf_value(inc->contents)), HTML, NULL));
        else {
                char id[32];
                snprintf(id, sizeof(id), "%d", inc->id);
                strbuf_puts(outbuf, gen_href_begin(upperdir(INCS), id, HTML, NULL));
        }
        strbuf_puts(outbuf, path);
        strbuf_puts(outbuf, gen_href_end());
}
/*
 * Put a reserved word. (if, while, ...)
 */
void
put_reserved_word(const char *word)
{
        strbuf_puts(outbuf, reserved_begin);
        strbuf_puts(outbuf, word);
        strbuf_puts(outbuf, reserved_end);
}
/*
 * Put a macro (#define,#undef,...) 
 */
void
put_macro(const char *word)
{
        strbuf_puts(outbuf, sharp_begin);
        strbuf_puts(outbuf, word);
        strbuf_puts(outbuf, sharp_end);
}
/*
 * Print warning message when unkown preprocessing directive is found.
 */
void
unknown_preprocessing_directive(const char *word, int lineno)
{
        word = strtrim(word, TRIM_ALL, NULL);
        warning("unknown preprocessing directive '%s'. [+%d %s]", word, lineno, curpfile);
        if (colorize_warned_line)
                warned = 1;
}
/*
 * Print warning message when unexpected eof.
 */
void
unexpected_eof(int lineno)
{
        warning("unexpected eof. [+%d %s]", lineno, curpfile);
        if (colorize_warned_line)
                warned = 1;
}
/*
 * Print warning message when unknown yacc directive is found.
 */
void
unknown_yacc_directive(const char *word, int lineno)
{
        warning("unknown yacc directive '%s'. [+%d %s]", word, lineno, curpfile);
        if (colorize_warned_line)
                warned = 1;
}
/*
 * Print warning message when unmatched brace is found.
 */
void
missing_left(const char *word, int lineno)
{
        warning("missing left '%s'. [+%d %s]", word, lineno, curpfile);
        if (colorize_warned_line)
                warned = 1;
}
/*
 * Put a character with HTML quoting.
 *
 * If you want to put '<', '>' and '&', you should echoc() instead.
 */
void
put_char(int c)
{
        const char *quoted = HTML_quoting(c);

        if (quoted)
                strbuf_puts(outbuf, quoted);
        else
                strbuf_putc(outbuf, c);
}
/*
 * Put a string with HTML quoting.
 *
 * If you want to put HTML tag itself, you should echoc() instead.
 */
void
put_string(const char *s)
{
        for (; *s; s++)
                put_char(*s);
}
/*
 * Put brace ('{', '}')
 */
void
put_brace(const char *text)
{
        strbuf_puts(outbuf, brace_begin);
        strbuf_puts(outbuf, text);
        strbuf_puts(outbuf, brace_end);
}

/*
 * common procedure for line control.
 */
static char lineno_format[32];
static const char *guide = NULL;

/*
 * Begin of line processing.
 */
void
put_begin_of_line(int lineno)
{
        if (definition_header != NO_HEADER) {
                if (define_line(lineno))
                        guide = generate_guide(lineno);
                else
                        guide = NULL;
        }
        if (guide && definition_header == BEFORE_HEADER) {
                fputs_nl(guide, out);
                guide = NULL;
        }
}
/*
 * End of line processing.
 *
 *      i)      lineno  current line number
 *      gi)     outbuf  HTML line image
 *
 * The outbuf(string buffer) has HTML image of the line.
 * This function flush and clear it.
 */
void
put_end_of_line(int lineno)
{
        fputs(gen_name_number(lineno), out);
        if (nflag)
                fprintf(out, lineno_format, lineno);
        if (warned)
                fputs(warned_line_begin, out);

        /* flush output buffer */
        fputs(strbuf_value(outbuf), out);
        strbuf_reset(outbuf);

        if (warned)
                fputs(warned_line_end, out);
        if (guide == NULL)
                fputc('\n', out);
        else {
                if (definition_header == RIGHT_HEADER)
                        fputs(guide, out);
                fputc('\n', out);
                if (definition_header == AFTER_HEADER) {
                        fputs_nl(guide, out);
                }
                guide = NULL;
        }
        warned = 0;

        /* save for the other job in this module */
        last_lineno = lineno;
}
/*
 * Encode URL.
 *
 *      o)      sb      encoded URL
 *      i)      url     URL
 */
static void
encode(STRBUF *sb, const char *url)
{
        int c;

        while ((c = (unsigned char)*url++) != '\0') {
                if (isurlchar(c)) {
                        strbuf_putc(sb, c);
                } else {
                        strbuf_putc(sb, '%');
                        strbuf_putc(sb, "0123456789abcdef"[c >> 4]);
                        strbuf_putc(sb, "0123456789abcdef"[c & 0x0f]);
                }
        }
}
/*
 * get_cvs_module: return CVS module of source file.
 *
 *      i)      file            source path
 *      o)      basename        If basename is not NULL, store pointer to
 *                              the last component of source path.
 *      r)              !=NULL : relative path from repository top
 *                      ==NULL : CVS/Repository is not readable.
 */
static const char *
get_cvs_module(const char *file, const char **basename)
{
        const char *p;
        STATIC_STRBUF(dir);
        static char prev_dir[MAXPATHLEN+1];
        STATIC_STRBUF(module);
        FILE *ip;

        strbuf_clear(dir);
        p = locatestring(file, "/", MATCH_LAST);
        if (p != NULL) {
                strbuf_nputs(dir, file, p - file);
                p++;
        } else {
                strbuf_putc(dir, '.');
                p = file;
        }
        if (basename != NULL)
                *basename = p;
        if (strcmp(strbuf_value(dir), prev_dir) != 0) {
                strlimcpy(prev_dir, strbuf_value(dir), sizeof(prev_dir));
                strbuf_clear(module);
                strbuf_puts(dir, "/CVS/Repository");
                ip = fopen(strbuf_value(dir), "r");
                if (ip != NULL) {
                        strbuf_fgets(module, ip, STRBUF_NOCRLF);
                        fclose(ip);
                }
        }
        if (strbuf_getlen(module) > 0)
                return strbuf_value(module);
        return NULL;
}
/*
 *
 * src2html: convert source code into HTML
 *
 *       i)      src   source file     - Read from
 *       i)      html  HTML file       - Write to
 *       i)      notsource 1: isn't source, 0: source.
 */
void
src2html(const char *src, const char *html, int notsource)
{
        char indexlink[128];

        /*
         * setup lineno format.
         */
        snprintf(lineno_format, sizeof(lineno_format), "%%%dd ", ncol);

        fileop_in  = open_input_file(src);
        in = get_descripter(fileop_in);
        curpfile = src;
        warned = 0;

        fileop_out = open_output_file(html, cflag);
        out = get_descripter(fileop_out);
        strbuf_clear(outbuf);

        if (Fflag)
                snprintf(indexlink, sizeof(indexlink), "../files.%s", normal_suffix);
        else
                snprintf(indexlink, sizeof(indexlink), "../mains.%s", normal_suffix);
        fputs_nl(gen_page_begin(src, SUBDIR), out);
        fputs_nl(body_begin, out);
        /*
         * print the header
         */
        if (insert_header)
                fputs(gen_insert_header(SUBDIR), out);
        fputs(gen_name_string("TOP"), out);
        fputs(header_begin, out);
        fputs(fill_anchor(indexlink, src), out);
        if (cvsweb_url) {
                STATIC_STRBUF(sb);
                const char *module, *basename;

                strbuf_clear(sb);
                strbuf_puts(sb, cvsweb_url);
                if (use_cvs_module
                 && (module = get_cvs_module(src, &basename)) != NULL) {
                        encode(sb, module);
                        strbuf_putc(sb, '/');
                        encode(sb, basename);
                } else {
                        encode(sb, src);
                }
                if (cvsweb_cvsroot) {
                        strbuf_puts(sb, "?cvsroot=");
                        strbuf_puts(sb, cvsweb_cvsroot);
                }
                fputs(quote_space, out);
                fputs(gen_href_begin_simple(strbuf_value(sb)), out);
                fputs(cvslink_begin, out);
                fputs("[CVS]", out);
                fputs(cvslink_end, out);
                fputs_nl(gen_href_end(), out);
                /* doesn't close string buffer */
        }
        fputs_nl(header_end, out);
        fputs(comment_begin, out);
        fputs("/* ", out);

        fputs(link_format(anchor_getlinks(0)), out);
        if (show_position)
                fprintf(out, "%s%s[+1 %s]%s", quote_space, position_begin, src, position_end);
        fputs(" */", out);
        fputs_nl(comment_end, out);
        fputs_nl(hr, out);
        /*
         * It is not source file.
         */
        if (notsource) {
                STRBUF *sb = strbuf_open(0);
                const char *_;

                fputs_nl(verbatim_begin, out);
                last_lineno = 0;
                while ((_ = strbuf_fgets(sb, in, STRBUF_NOCRLF)) != NULL) {
                        fputs(gen_name_number(++last_lineno), out);
                        detab_replacing(out, _, HTML_quoting);
                }
                fputs_nl(verbatim_end, out);
                strbuf_close(sb);
        }
        /*
         * It's source code.
         */
        else {
                const char *basename;
                struct data *incref;
                struct anchor *ancref;
                STATIC_STRBUF(define_index);

                /*
                 * INCLUDED FROM index.
                 */
                basename = locatestring(src, "/", MATCH_LAST);
                if (basename)
                        basename++;
                else
                        basename = src;
                incref = get_included(basename);
                if (incref) {
                        char s_id[32];
                        const char *dir, *file, *suffix, *key, *title;

                        fputs(header_begin, out);
                        if (incref->ref_count > 1) {
                                char s_count[32];

                                snprintf(s_count, sizeof(s_count), "%d", incref->ref_count);
                                snprintf(s_id, sizeof(s_id), "%d", incref->id);
                                dir = upperdir(INCREFS);
                                file = s_id;
                                suffix = HTML;
                                key = NULL;
                                title = tooltip('I', -1, s_count);
                        } else {
                                const char *p = strbuf_value(incref->ref_contents);
                                const char *lno = strmake(p, " ");
                                const char *filename;

                                p = locatestring(p, " ", MATCH_FIRST);
                                if (p == NULL)
                                        die("internal error.(incref->ref_contents)");
                                filename = p + 1;
                                if (filename[0] == '.' && filename[1] == '/')
                                        filename += 2;
                                dir = NULL;
                                file = path2fid(filename);
                                suffix = HTML;
                                key = lno;
                                title = tooltip('I', atoi(lno), filename);
                        }
                        fputs(gen_href_begin_with_title(dir, file, suffix, key, title), out);
                        fputs(title_included_from, out);
                        fputs(gen_href_end(), out);
                        fputs_nl(header_end, out);
                        fputs_nl(hr, out);
                }
                /*
                 * DEFINITIONS index.
                 */
                strbuf_clear(define_index);
                for (ancref = anchor_first(); ancref; ancref = anchor_next()) {
                        if (ancref->type == 'D') {
                                char tmp[32];
                                snprintf(tmp, sizeof(tmp), "%d", ancref->lineno);
                                strbuf_puts(define_index, item_begin);
                                strbuf_puts(define_index, gen_href_begin_with_title(NULL, NULL, NULL, tmp, tooltip('R', ancref->lineno, NULL)));
                                strbuf_puts(define_index, gettag(ancref));
                                strbuf_puts(define_index, gen_href_end());
                                strbuf_puts_nl(define_index, item_end);
                        }
                }
                if (strbuf_getlen(define_index) > 0) {
                        fputs(header_begin, out);
                        fputs(title_define_index, out);
                        fputs_nl(header_end, out);
                        fputs_nl("This source file includes following definitions.", out);
                        fputs_nl(list_begin, out);
                        fputs(strbuf_value(define_index), out);
                        fputs_nl(list_end, out);
                        fputs_nl(hr, out);
                }
                /*
                 * print source code
                 */
                fputs_nl(verbatim_begin, out);
                {
                        const char *suffix = locatestring(src, ".", MATCH_LAST);
                        const char *lang = NULL;
                        struct lang_entry *ent;

                        /*
                         * Decide language.
                         */
                        if (suffix)
                                lang = decide_lang(suffix);
                        /*
                         * Select parser.
                         * If lang == NULL then default parser is selected.
                         */
                        ent = get_lang_entry(lang);
                        /*
                         * Initialize parser.
                         */
                        ent->init_proc(in);
                        /*
                         * Execute parser.
                         * Exec_proc() is called repeatedly until returning EOF.
                         */
                        while (ent->exec_proc())
                                ;
                }
                fputs_nl(verbatim_end, out);
        }
        fputs_nl(hr, out);
        fputs_nl(gen_name_string("BOTTOM"), out);
        fputs(comment_begin, out);
        fputs("/* ", out);
        fputs(link_format(anchor_getlinks(-1)), out);
        if (show_position)
                fprintf(out, "%s%s[+%d %s]%s", quote_space, position_begin, last_lineno, src, position_end);
        fputs(" */", out);
        fputs_nl(comment_end, out);
        if (insert_footer) {
                fputs(br, out);
                fputs(gen_insert_footer(SUBDIR), out);
        }
        fputs_nl(body_end, out);
        fputs_nl(gen_page_end(), out);
        if (!notsource)
                anchor_unload();
        close_file(fileop_out);
        close_file(fileop_in);
}

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