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/* ansify.c
Copyright (C) 1997 Free Software Foundation, Inc.
Contributed by James Craig Burley.
This file is part of GNU Fortran.
GNU Fortran 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 Fortran 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 Fortran; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA. */
/* From f/proj.h, which uses #error -- not all C compilers
support that, and we want *this* program to be compilable
by pretty much any C compiler. */
#include "hconfig.j"
#include "system.j"
#include "assert.j"
#if HAVE_STDDEF_H
#include <stddef.h>
#endif
typedef enum
{
#if !defined(false) || !defined(true)
false = 0, true = 1,
#endif
#if !defined(FALSE) || !defined(TRUE)
FALSE = 0, TRUE = 1,
#endif
Doggone_Trailing_Comma_Dont_Work = 1
} bool;
#define ARRAY_SIZE(a) (sizeof(a)/sizeof(a[0]))
#define die_unless(c) \
do if (!(c)) \
{ \
fprintf (stderr, "%s:%lu: " #c "\n", argv[1], lineno); \
die (); \
} \
while(0)
static void
die (void)
{
exit (1);
}
int
main(int argc, char **argv)
{
int c;
static unsigned long lineno = 1;
die_unless (argc == 2);
printf ("\
/* This file is automatically generated from `%s',\n\
which you should modify instead. */\n\
# 1 \"%s\"\n\
",
argv[1], argv[1]);
while ((c = getchar ()) != EOF)
{
switch (c)
{
default:
putchar (c);
break;
case '\n':
++lineno;
putchar (c);
break;
case '"':
putchar (c);
for (;;)
{
c = getchar ();
die_unless (c != EOF);
switch (c)
{
case '"':
putchar (c);
goto next_char;
case '\n':
putchar ('\\');
putchar ('n');
putchar ('\\');
putchar ('\n');
++lineno;
break;
case '\\':
putchar (c);
c = getchar ();
die_unless (c != EOF);
putchar (c);
if (c == '\n')
++lineno;
break;
default:
putchar (c);
break;
}
}
break;
case '\'':
putchar (c);
for (;;)
{
c = getchar ();
die_unless (c != EOF);
switch (c)
{
case '\'':
putchar (c);
goto next_char;
case '\n':
putchar ('\\');
putchar ('n');
putchar ('\\');
putchar ('\n');
++lineno;
break;
case '\\':
putchar (c);
c = getchar ();
die_unless (c != EOF);
putchar (c);
if (c == '\n')
++lineno;
break;
default:
putchar (c);
break;
}
}
break;
case '/':
putchar (c);
c = getchar ();
putchar (c);
if (c != '*')
break;
for (;;)
{
c = getchar ();
die_unless (c != EOF);
switch (c)
{
case '\n':
++lineno;
putchar (c);
break;
case '*':
c = getchar ();
die_unless (c != EOF);
if (c == '/')
{
putchar ('*');
putchar ('/');
goto next_char;
}
if (c == '\n')
{
++lineno;
putchar (c);
}
break;
default:
/* Don't bother outputting content of comments. */
break;
}
}
break;
}
next_char:
;
}
die_unless (c == EOF);
return 0;
}
|
