209 lines
3.5 KiB
C
209 lines
3.5 KiB
C
/* ansify.c
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Copyright (C) 1997 Free Software Foundation, Inc.
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Contributed by James Craig Burley.
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This file is part of GNU Fortran.
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GNU Fortran is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Fortran is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Fortran; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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02111-1307, USA. */
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/* From f/proj.h, which uses #error -- not all C compilers
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support that, and we want *this* program to be compilable
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by pretty much any C compiler. */
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#include "hconfig.j"
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#include "system.j"
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#include "assert.j"
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#if HAVE_STDDEF_H
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#include <stddef.h>
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#endif
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typedef enum
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{
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#if !defined(false) || !defined(true)
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false = 0, true = 1,
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#endif
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#if !defined(FALSE) || !defined(TRUE)
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FALSE = 0, TRUE = 1,
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#endif
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Doggone_Trailing_Comma_Dont_Work = 1
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} bool;
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#define ARRAY_SIZE(a) (sizeof(a)/sizeof(a[0]))
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#define die_unless(c) \
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do if (!(c)) \
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{ \
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fprintf (stderr, "%s:%lu: " #c "\n", argv[1], lineno); \
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die (); \
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} \
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while(0)
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static void
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die (void)
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{
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exit (1);
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}
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int
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main(int argc, char **argv)
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{
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int c;
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static unsigned long lineno = 1;
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die_unless (argc == 2);
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printf ("\
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/* This file is automatically generated from `%s',\n\
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which you should modify instead. */\n\
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# 1 \"%s\"\n\
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",
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argv[1], argv[1]);
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while ((c = getchar ()) != EOF)
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{
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switch (c)
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{
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default:
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putchar (c);
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break;
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case '\n':
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++lineno;
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putchar (c);
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break;
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case '"':
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putchar (c);
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for (;;)
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{
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c = getchar ();
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die_unless (c != EOF);
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switch (c)
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{
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case '"':
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putchar (c);
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goto next_char;
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case '\n':
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putchar ('\\');
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putchar ('n');
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putchar ('\\');
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putchar ('\n');
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++lineno;
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break;
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case '\\':
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putchar (c);
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c = getchar ();
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die_unless (c != EOF);
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putchar (c);
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if (c == '\n')
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++lineno;
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break;
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default:
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putchar (c);
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break;
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}
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}
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break;
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case '\'':
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putchar (c);
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for (;;)
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{
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c = getchar ();
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die_unless (c != EOF);
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switch (c)
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{
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case '\'':
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putchar (c);
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goto next_char;
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case '\n':
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putchar ('\\');
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putchar ('n');
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putchar ('\\');
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putchar ('\n');
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++lineno;
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break;
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case '\\':
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putchar (c);
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c = getchar ();
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die_unless (c != EOF);
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putchar (c);
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if (c == '\n')
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++lineno;
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break;
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default:
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putchar (c);
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break;
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}
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}
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break;
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case '/':
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putchar (c);
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c = getchar ();
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putchar (c);
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if (c != '*')
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break;
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for (;;)
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{
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c = getchar ();
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die_unless (c != EOF);
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switch (c)
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{
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case '\n':
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++lineno;
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putchar (c);
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break;
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case '*':
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c = getchar ();
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die_unless (c != EOF);
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if (c == '/')
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{
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putchar ('*');
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putchar ('/');
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goto next_char;
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}
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if (c == '\n')
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{
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++lineno;
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putchar (c);
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}
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break;
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default:
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/* Don't bother outputting content of comments. */
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break;
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}
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}
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break;
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}
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next_char:
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;
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}
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die_unless (c == EOF);
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return 0;
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}
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