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