* eval.c, eval.h, evalext.c, evalext.h (scm_m_undefine): Moved

[bpt/guile.git] / libguile / read.h

/* classes: h_files */

#ifndef SCM_READ_H
#define SCM_READ_H

/* Copyright (C) 1995,1996,2000 Free Software Foundation, Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

\f

#include "libguile/__scm.h"

#include "libguile/options.h"
\f

/* SCM_LINE_INCREMENTORS are the characters which cause the line count to
 * be incremented for the purposes of error reporting.  This feature
 * is only used for scheme code loaded from files.
 *
 * SCM_WHITE_SPACES are other characters which should be treated like spaces
 * in programs.
 */

#define SCM_LINE_INCREMENTORS  '\n'

#ifdef MSDOS
# define SCM_SINGLE_SPACES  ' ':case '\r':case '\f': case 26
#else
# define SCM_SINGLE_SPACES  ' ':case '\r':case '\f'
#endif

#define SCM_WHITE_SPACES  SCM_SINGLE_SPACES: case '\t'

SCM_API scm_t_option scm_read_opts[];

#define SCM_COPY_SOURCE_P      scm_read_opts[0].val
#define SCM_RECORD_POSITIONS_P scm_read_opts[1].val
#define SCM_CASE_INSENSITIVE_P scm_read_opts[2].val
#define SCM_KEYWORD_STYLE      scm_read_opts[3].val
#define SCM_N_READ_OPTIONS 4

\f

SCM_API SCM scm_read_options (SCM setting);
SCM_API SCM scm_read (SCM port);
SCM_API char * scm_grow_tok_buf (SCM * tok_buf);
SCM_API int scm_flush_ws (SCM port, const char *eoferr);
SCM_API int scm_casei_streq (char * s1, char * s2);
SCM_API SCM scm_lreadr (SCM * tok_buf, SCM port, SCM *copy);
SCM_API size_t scm_read_token (int ic, SCM * tok_buf, SCM port, int weird);
SCM_API SCM scm_lreadparen (SCM * tok_buf, SCM port, char *name, SCM *copy
#ifdef SCM_ELISP_READ_EXTENSIONS
			    , char term_char
#define SCM_ELISP_CLOSE , ')'
#else
#define SCM_ELISP_CLOSE
#endif
			    );
SCM_API SCM scm_lreadrecparen (SCM * tok_buf, SCM port, char *name, SCM *copy);
SCM_API SCM scm_read_hash_extend (SCM chr, SCM proc);
SCM_API void scm_init_read (void);

#endif  /* SCM_READ_H */

/*
  Local Variables:
  c-file-style: "gnu"
  End:
*/