mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-11-24 07:20:37 +00:00
287 lines
6.6 KiB
C
287 lines
6.6 KiB
C
/* Give this program DOC-mm.nn.oo as standard input and it outputs to
|
||
standard output a file of texinfo input containing the doc strings.
|
||
|
||
Copyright (C) 1989, 1992, 1994, 1996, 1999, 2000, 2001
|
||
Free Software Foundation Inc.
|
||
|
||
This file is part of GNU Emacs.
|
||
|
||
GNU Emacs 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 2, or (at your option)
|
||
any later version.
|
||
|
||
GNU Emacs 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 GNU Emacs; see the file COPYING. If not, write to the
|
||
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||
Boston, MA 02111-1307, USA.
|
||
|
||
This version sorts the output by function name. */
|
||
|
||
#ifdef HAVE_CONFIG_H
|
||
#include <config.h>
|
||
#endif
|
||
|
||
#include <stdio.h>
|
||
#include <ctype.h>
|
||
#ifndef HAVE_STDLIB_H /* config.h includes stdlib. */
|
||
extern char *malloc ();
|
||
#endif
|
||
|
||
#define NUL '\0'
|
||
#define MARKER '\037'
|
||
|
||
#define DEBUG 0
|
||
|
||
typedef struct line LINE;
|
||
|
||
struct line
|
||
{
|
||
LINE *next; /* ptr to next or NULL */
|
||
char *line; /* text of the line */
|
||
};
|
||
|
||
typedef struct docstr DOCSTR;
|
||
|
||
struct docstr /* Allocated thing for an entry. */
|
||
{
|
||
DOCSTR *next; /* next in the chain */
|
||
char *name; /* name of the function or var */
|
||
LINE *first; /* first line of doc text. */
|
||
char type; /* 'F' for function, 'V' for variable */
|
||
};
|
||
|
||
|
||
/* Print error message. `s1' is printf control string, `s2' is arg for it. */
|
||
|
||
void
|
||
error (s1, s2)
|
||
char *s1, *s2;
|
||
{
|
||
fprintf (stderr, "sorted-doc: ");
|
||
fprintf (stderr, s1, s2);
|
||
fprintf (stderr, "\n");
|
||
}
|
||
|
||
/* Print error message and exit. */
|
||
|
||
void
|
||
fatal (s1, s2)
|
||
char *s1, *s2;
|
||
{
|
||
error (s1, s2);
|
||
exit (1);
|
||
}
|
||
|
||
/* Like malloc but get fatal error if memory is exhausted. */
|
||
|
||
char *
|
||
xmalloc (size)
|
||
int size;
|
||
{
|
||
char *result = malloc ((unsigned)size);
|
||
if (result == NULL)
|
||
fatal ("%s", "virtual memory exhausted");
|
||
return result;
|
||
}
|
||
|
||
char *
|
||
xstrdup (str)
|
||
char * str;
|
||
{
|
||
char *buf = xmalloc (strlen (str) + 1);
|
||
(void) strcpy (buf, str);
|
||
return (buf);
|
||
}
|
||
|
||
/* Comparison function for qsort to call. */
|
||
|
||
int
|
||
cmpdoc (a, b)
|
||
DOCSTR **a;
|
||
DOCSTR **b;
|
||
{
|
||
register int val = strcmp ((*a)->name, (*b)->name);
|
||
if (val) return val;
|
||
return (*a)->type - (*b)->type;
|
||
}
|
||
|
||
|
||
enum state
|
||
{
|
||
WAITING, BEG_NAME, NAME_GET, BEG_DESC, DESC_GET
|
||
};
|
||
|
||
char *states[] =
|
||
{
|
||
"WAITING", "BEG_NAME", "NAME_GET", "BEG_DESC", "DESC_GET"
|
||
};
|
||
|
||
int
|
||
main ()
|
||
{
|
||
register DOCSTR *dp = NULL; /* allocated DOCSTR */
|
||
register LINE *lp = NULL; /* allocated line */
|
||
register char *bp; /* ptr inside line buffer */
|
||
register enum state state = WAITING; /* state at start */
|
||
int cnt = 0; /* number of DOCSTRs read */
|
||
|
||
DOCSTR *docs; /* chain of allocated DOCSTRS */
|
||
char buf[512]; /* line buffer */
|
||
|
||
while (1) /* process one char at a time */
|
||
{
|
||
/* this char from the DOCSTR file */
|
||
register int ch = getchar ();
|
||
|
||
/* Beginnings */
|
||
|
||
if (state == WAITING)
|
||
{
|
||
if (ch == MARKER)
|
||
state = BEG_NAME;
|
||
}
|
||
else if (state == BEG_NAME)
|
||
{
|
||
cnt++;
|
||
if (dp == NULL) /* first dp allocated */
|
||
{
|
||
docs = dp = (DOCSTR*) xmalloc (sizeof (DOCSTR));
|
||
}
|
||
else /* all the rest */
|
||
{
|
||
dp->next = (DOCSTR*) xmalloc (sizeof (DOCSTR));
|
||
dp = dp->next;
|
||
}
|
||
lp = NULL;
|
||
dp->next = NULL;
|
||
bp = buf;
|
||
state = NAME_GET;
|
||
/* Record whether function or variable. */
|
||
dp->type = ch;
|
||
ch = getchar ();
|
||
}
|
||
else if (state == BEG_DESC)
|
||
{
|
||
if (lp == NULL) /* first line for dp */
|
||
{
|
||
dp->first = lp = (LINE*)xmalloc (sizeof (LINE));
|
||
}
|
||
else /* continuing lines */
|
||
{
|
||
lp->next = (LINE*)xmalloc (sizeof (LINE));
|
||
lp = lp->next;
|
||
}
|
||
lp->next = NULL;
|
||
bp = buf;
|
||
state = DESC_GET;
|
||
}
|
||
|
||
/* process gets */
|
||
|
||
if (state == NAME_GET || state == DESC_GET)
|
||
{
|
||
if (ch != MARKER && ch != '\n' && ch != EOF)
|
||
{
|
||
*bp++ = ch;
|
||
}
|
||
else /* saving and changing state */
|
||
{
|
||
*bp = NUL;
|
||
bp = xstrdup (buf);
|
||
|
||
if (state == NAME_GET)
|
||
dp->name = bp;
|
||
else
|
||
lp->line = bp;
|
||
|
||
bp = buf;
|
||
state = (ch == MARKER) ? BEG_NAME : BEG_DESC;
|
||
}
|
||
} /* NAME_GET || DESC_GET */
|
||
if (ch == EOF)
|
||
break;
|
||
}
|
||
|
||
{
|
||
DOCSTR **array;
|
||
register int i; /* counter */
|
||
|
||
/* build array of ptrs to DOCSTRs */
|
||
|
||
array = (DOCSTR**)xmalloc (cnt * sizeof (*array));
|
||
for (dp = docs, i = 0; dp != NULL ; dp = dp->next)
|
||
array[i++] = dp;
|
||
|
||
/* sort the array by name; within each name, by type */
|
||
|
||
qsort ((char*)array, cnt, sizeof (DOCSTR*), cmpdoc);
|
||
|
||
/* write the output header */
|
||
|
||
printf ("\\input texinfo @c -*-texinfo-*-\n");
|
||
printf ("@setfilename ../info/summary\n");
|
||
printf ("@settitle Command Summary for GNU Emacs\n");
|
||
printf ("@finalout\n");
|
||
printf ("@unnumbered Command Summary for GNU Emacs\n");
|
||
printf ("@table @asis\n");
|
||
printf ("\n");
|
||
printf ("@iftex\n");
|
||
printf ("@global@let@ITEM@item\n");
|
||
printf ("@def@item{@filbreak@vskip5pt@ITEM}\n");
|
||
printf ("@font@tensy cmsy10 scaled @magstephalf\n");
|
||
printf ("@font@teni cmmi10 scaled @magstephalf\n");
|
||
printf ("@def\\{{@tensy@char110}}\n"); /* this backslash goes with cmr10 */
|
||
printf ("@def|{{@tensy@char106}}\n");
|
||
printf ("@def@{{{@tensy@char102}}\n");
|
||
printf ("@def@}{{@tensy@char103}}\n");
|
||
printf ("@def<{{@teni@char62}}\n");
|
||
printf ("@def>{{@teni@char60}}\n");
|
||
printf ("@chardef@@64\n");
|
||
printf ("@catcode43=12\n");
|
||
printf ("@tableindent-0.2in\n");
|
||
printf ("@end iftex\n");
|
||
|
||
/* print each function from the array */
|
||
|
||
for (i = 0; i < cnt; i++)
|
||
{
|
||
printf ("\n@item %s @code{%s}\n@display\n",
|
||
array[i]->type == 'F' ? "Function" : "Variable",
|
||
array[i]->name);
|
||
|
||
for (lp = array[i]->first; lp != NULL ; lp = lp->next)
|
||
{
|
||
for (bp = lp->line; *bp; bp++)
|
||
{
|
||
/* the characters "@{}" need special treatment */
|
||
if (*bp == '@' || *bp == '{' || *bp == '}')
|
||
{
|
||
putchar('@');
|
||
}
|
||
putchar(*bp);
|
||
}
|
||
putchar ('\n');
|
||
}
|
||
printf("@end display\n");
|
||
/* Try to avoid a save size overflow in the TeX output
|
||
routine. */
|
||
if (i%100 == 0 && i > 0 && i != cnt)
|
||
printf("\n@end table\n@table @asis\n");
|
||
}
|
||
|
||
printf ("@end table\n");
|
||
printf ("@bye\n");
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
/* arch-tag: ce28f204-1e70-4b34-8210-3d54a5662071
|
||
(do not change this comment) */
|