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/* src.h -- Public #include File
Copyright (C) 1995 Free Software Foundation, Inc.
Contributed by James Craig Burley (burley@gnu.org).
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.
Owning Modules:
src.c
Modifications:
*/
/* Allow multiple inclusion to work. */
#ifndef _H_f_src
#define _H_f_src
#include "bad.h"
#include "top.h"
extern char ffesrc_toupper_[256];
extern char ffesrc_tolower_[256];
extern char ffesrc_char_match_init_[256];
extern char ffesrc_char_match_noninit_[256];
extern char ffesrc_char_source_[256];
extern char ffesrc_char_internal_init_[256];
extern ffebad ffesrc_bad_symbol_init_[256];
extern ffebad ffesrc_bad_symbol_noninit_[256];
extern bool ffesrc_check_symbol_;
extern bool ffesrc_ok_match_init_upper_;
extern bool ffesrc_ok_match_init_lower_;
extern bool ffesrc_ok_match_noninit_upper_;
extern bool ffesrc_ok_match_noninit_lower_;
/* These C-language-syntax modifiers could avoid the match arg if gcc's
extension allowing macros to generate dynamic labels was used. They
could use the no_match arg (and the "caller's" label defs) if there
was a way to say "goto default" in a switch statement. Oh well.
NOTE: These macro assume "case FFESRC_CASE_MATCH_[NON]INIT(...):" is used
to invoke them, and thus assume the "above" case does not fall through to
this one. This syntax was chosen to keep indenting tools working. */
#define FFESRC_CASE_MATCH_INIT(upper, lower, match, no_match) \
upper: if (!ffesrc_ok_match_init_upper_) goto no_match; \
else goto match; \
case lower: if (!ffesrc_ok_match_init_lower_) goto no_match; \
match
#define FFESRC_CASE_MATCH_NONINIT(upper, lower, match, no_match) \
upper: if (!ffesrc_ok_match_noninit_upper_) goto no_match; \
else goto match; \
case lower: if (!ffesrc_ok_match_noninit_lower_) goto no_match; \
match
/* If character is ok in a symbol name (not including intrinsic names),
returns FFEBAD, else returns something else, type ffebad. */
#define ffesrc_bad_char_symbol_init(c) \
(ffesrc_bad_symbol_init_[(unsigned int) (c)])
#define ffesrc_bad_char_symbol_noninit(c) \
(ffesrc_bad_symbol_noninit_[(unsigned int) (c)])
/* Returns TRUE if character is ok in a symbol name (including
intrinsic names). Doesn't care about case settings, this is
used just for parsing (before semantic complaints about symbol-
name casing and such). One specific usage is to decide whether
an underscore is valid as the first or subsequent character in
some symbol name -- if not, an underscore is a separate token
(while lexing, for example). Note that ffesrc_is_name_init
must return TRUE for a (not necessarily proper) subset of
characters for which ffelex_is_firstnamechar returns TRUE. */
#define ffesrc_is_name_init(c) \
((ISALPHA ((c))) || (! (1 || ffe_is_90 ()) && ((c) == '_')))
#define ffesrc_is_name_noninit(c) \
((ISALNUM ((c))) || (! (1 || ffe_is_90 ()) && ((c) == '_')))
/* Test if source-translated character matches given alphabetic character
(passed in both uppercase and lowercase, to allow for custom speedup
of compilation in environments where compile-time options aren't needed
for casing). */
#define ffesrc_char_match_init(c, up, low) \
(ffesrc_char_match_init_[(unsigned int) (c)] == up)
#define ffesrc_char_match_noninit(c, up, low) \
(ffesrc_char_match_noninit_[(unsigned int) (c)] == up)
/* Translate character from input-file form to source form. */
#define ffesrc_char_source(c) (ffesrc_char_source_[(unsigned int) (c)])
/* Translate internal character (upper/lower) to source form in an
initial-character context (i.e. ffesrc_char_match_init of the result
will always succeed). */
#define ffesrc_char_internal_init(up, low) \
(ffesrc_char_internal_init_[(unsigned int) (up)])
/* Returns TRUE if a name representing a symbol should be checked for
validity according to compile-time options. That is, if it is possible
that ffesrc_bad_char_symbol(c) can return something other than FFEBAD
for any valid character in an ffelex NAME(S) token. */
#define ffesrc_check_symbol() ffesrc_check_symbol_
#define ffesrc_init_0()
void ffesrc_init_1 (void);
#define ffesrc_init_2()
#define ffesrc_init_3()
#define ffesrc_init_4()
int ffesrc_strcmp_1ns2i (ffeCase mcase, const char *var, int len,
const char *str_ic);
int ffesrc_strcmp_2c (ffeCase mcase, const char *var, const char *str_uc,
const char *str_lc, const char *str_ic);
int ffesrc_strncmp_2c (ffeCase mcase, const char *var, const char *str_uc,
const char *str_lc, const char *str_ic, int len);
#define ffesrc_terminate_0()
#define ffesrc_terminate_1()
#define ffesrc_terminate_2()
#define ffesrc_terminate_3()
#define ffesrc_terminate_4()
#define ffesrc_toupper(c) (ffesrc_toupper_[(unsigned int) (c)])
#define ffesrc_tolower(c) (ffesrc_tolower_[(unsigned int) (c)])
/* End of #include file. */
#endif
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