/* read.h - of read.c
   Copyright 1986, 1990, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
   2000, 2001, 2002, 2003
   Free Software Foundation, Inc.

   This file is part of GAS, the GNU Assembler.

   GAS 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.

   GAS 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 GAS; see the file COPYING.  If not, write to the Free
   Software Foundation, 59 Temple Place - Suite 330, Boston, MA
   02111-1307, USA.  */

extern char *input_line_pointer;	/* -> char we are parsing now.  */

/* Define to make whitespace be allowed in many syntactically
   unnecessary places.  Normally undefined.  For compatibility with
   ancient GNU cc.  */
/* #undef PERMIT_WHITESPACE */
#define PERMIT_WHITESPACE

#ifdef PERMIT_WHITESPACE
#define SKIP_WHITESPACE()			\
  {						\
    if (* input_line_pointer == ' ')		\
      ++ input_line_pointer;			\
  }
#else
#define SKIP_WHITESPACE() know(*input_line_pointer != ' ' )
#endif

#define	LEX_NAME	(1)	/* may continue a name */
#define LEX_BEGIN_NAME	(2)	/* may begin a name */
#define LEX_END_NAME	(4)	/* ends a name */

#define is_name_beginner(c) \
  ( lex_type[(unsigned char) (c)] & LEX_BEGIN_NAME )
#define is_part_of_name(c) \
  ( lex_type[(unsigned char) (c)] & LEX_NAME       )
#define is_name_ender(c) \
  ( lex_type[(unsigned char) (c)] & LEX_END_NAME   )

#ifndef is_a_char
#define CHAR_MASK	(0xff)
#define NOT_A_CHAR	(CHAR_MASK+1)
#define is_a_char(c)	(((unsigned) (c)) <= CHAR_MASK)
#endif /* is_a_char() */

extern char lex_type[];
extern char is_end_of_line[];

extern int is_it_end_of_statement PARAMS ((void));

extern int target_big_endian;

/* These are initialized by the CPU specific target files (tc-*.c).  */
extern const char comment_chars[];
extern const char line_comment_chars[];
extern const char line_separator_chars[];

/* Table of -I directories.  */
extern char **include_dirs;
extern int include_dir_count;
extern int include_dir_maxlen;

/* The offset in the absolute section.  */
extern addressT abs_section_offset;

/* The label on a line, used by some of the pseudo-ops.  */
extern symbolS *line_label;

/* This is used to support MRI common sections.  */
extern symbolS *mri_common_symbol;

/* True if a stabs line debug statement is currently being emitted.  */
extern int outputting_stabs_line_debug;

/* Possible arguments to .linkonce.  */
enum linkonce_type {
  LINKONCE_UNSET = 0,
  LINKONCE_DISCARD,
  LINKONCE_ONE_ONLY,
  LINKONCE_SAME_SIZE,
  LINKONCE_SAME_CONTENTS
};

#define IGNORE_OPCODE_CASE
#ifdef  IGNORE_OPCODE_CASE
extern char original_case_string[];
#endif

extern void pop_insert PARAMS ((const pseudo_typeS *));
extern unsigned int get_stab_string_offset
  PARAMS ((const char *string, const char *stabstr_secname));
extern void aout_process_stab PARAMS ((int, const char *, int, int, int));
extern char *demand_copy_C_string PARAMS ((int *len_pointer));
extern char get_absolute_expression_and_terminator
  PARAMS ((long *val_pointer));
extern offsetT get_absolute_expr PARAMS ((expressionS *));
extern offsetT get_absolute_expression PARAMS ((void));
extern unsigned int next_char_of_string PARAMS ((void));
extern void s_mri_sect PARAMS ((char *));
extern char *mri_comment_field PARAMS ((char *));
extern void mri_comment_end PARAMS ((char *, int));
extern void add_include_dir PARAMS ((char *path));
extern void cons PARAMS ((int nbytes));
extern void demand_empty_rest_of_line PARAMS ((void));
extern void emit_expr PARAMS ((expressionS *exp, unsigned int nbytes));
extern void emit_leb128_expr PARAMS ((expressionS *, int));
extern void equals PARAMS ((char *sym_name, int reassign));
extern void float_cons PARAMS ((int float_type));
extern void ignore_rest_of_line PARAMS ((void));
extern void discard_rest_of_line PARAMS ((void));
extern int output_leb128 PARAMS ((char *, valueT, int sign));
extern void pseudo_set PARAMS ((symbolS * symbolP));
extern void read_a_source_file PARAMS ((char *name));
extern void read_begin PARAMS ((void));
extern void read_print_statistics PARAMS ((FILE *));
extern int sizeof_leb128 PARAMS ((valueT, int sign));
extern void stabs_generate_asm_file PARAMS ((void));
extern void stabs_generate_asm_lineno PARAMS ((void));
extern void stabs_generate_asm_func PARAMS ((const char *, const char *));
extern void stabs_generate_asm_endfunc PARAMS ((const char *, const char *));
extern void do_repeat PARAMS((int,const char *,const char *));
extern void end_repeat PARAMS((int));

extern void generate_lineno_debug PARAMS ((void));

extern void s_abort PARAMS ((int)) ATTRIBUTE_NORETURN;
extern void s_align_bytes PARAMS ((int arg));
extern void s_align_ptwo PARAMS ((int));
extern void s_app_file_string PARAMS ((char *));
extern void s_app_file PARAMS ((int));
extern void s_app_line PARAMS ((int));
extern void s_bad_endr PARAMS ((int));
extern void s_comm PARAMS ((int));
extern void s_data PARAMS ((int));
extern void s_desc PARAMS ((int));
extern void s_else PARAMS ((int arg));
extern void s_elseif PARAMS ((int arg));
extern void s_end PARAMS ((int arg));
extern void s_endif PARAMS ((int arg));
extern void s_err PARAMS ((int));
extern void s_fail PARAMS ((int));
extern void s_fill PARAMS ((int));
extern void s_float_space PARAMS ((int mult));
extern void s_func PARAMS ((int));
extern void do_s_func PARAMS ((int, const char *));
extern void s_globl PARAMS ((int arg));
extern void s_if PARAMS ((int arg));
extern void s_ifc PARAMS ((int arg));
extern void s_ifdef PARAMS ((int arg));
extern void s_ifeqs PARAMS ((int arg));
extern void s_ignore PARAMS ((int arg));
extern void s_include PARAMS ((int arg));
extern void s_irp PARAMS ((int arg));
extern void s_lcomm PARAMS ((int needs_align));
extern void s_lcomm_bytes PARAMS ((int needs_align));
extern void s_leb128 PARAMS ((int sign));
extern void s_linkonce PARAMS ((int));
extern void s_lsym PARAMS ((int));
extern void s_macro PARAMS ((int));
extern void s_mexit PARAMS ((int));
extern void s_mri PARAMS ((int));
extern void s_mri_common PARAMS ((int));
extern void s_org PARAMS ((int));
extern void s_print PARAMS ((int));
extern void s_purgem PARAMS ((int));
extern void s_rept PARAMS ((int));
extern void s_set PARAMS ((int));
extern void s_space PARAMS ((int mult));
extern void s_stab PARAMS ((int what));
extern void s_struct PARAMS ((int));
extern void s_text PARAMS ((int));
extern void stringer PARAMS ((int append_zero));
extern void s_xstab PARAMS ((int what));
extern void s_rva PARAMS ((int));
extern void s_incbin PARAMS ((int));