gas/read.h

   1 /* read.h - of read.c
   2
   3    Copyright (C) 1986, 1990, 1992 Free Software Foundation, Inc.
   4
   5    This file is part of GAS, the GNU Assembler.
   6
   7    GAS is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2, or (at your option)
  10    any later version.
  11
  12    GAS is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with GAS; see the file COPYING.  If not, write to
  19    the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
  20
  21 extern char *input_line_pointer;/* -> char we are parsing now. */
  22
  23 #define PERMIT_WHITESPACE       /* Define to make whitespace be allowed in */
  24 /* many syntactically unnecessary places. */
  25 /* Normally undefined. For compatibility */
  26 /* with ancient GNU cc. */
  27 /* #undef PERMIT_WHITESPACE */
  28
  29 #ifdef PERMIT_WHITESPACE
  30 #define SKIP_WHITESPACE() {if (* input_line_pointer == ' ') ++ input_line_pointer;}
  31 #else
  32 #define SKIP_WHITESPACE() know(*input_line_pointer != ' ' )
  33 #endif
  34
  35
  36 #define LEX_NAME        (1)     /* may continue a name */
  37 #define LEX_BEGIN_NAME  (2)     /* may begin a name */
  38
  39 #define is_name_beginner(c) \
  40   ( lex_type[(unsigned char) (c)] & LEX_BEGIN_NAME )
  41 #define is_part_of_name(c) \
  42   ( lex_type[(unsigned char) (c)] & LEX_NAME       )
  43
  44 #ifndef is_a_char
  45 #define CHAR_MASK       (0xff)
  46 #define NOT_A_CHAR      (CHAR_MASK+1)
  47 #define is_a_char(c)    (((unsigned)(c)) <= CHAR_MASK)
  48 #endif /* is_a_char() */
  49
  50 extern const char lex_type[];
  51 extern char is_end_of_line[];
  52
  53 /* These are initialized by the CPU specific target files (tc-*.c).  */
  54 extern const char comment_chars[];
  55 extern const char line_comment_chars[];
  56 extern const char line_separator_chars[];
  57
  58 /* This flag whether to generate line info for asm file */
  59 extern int generate_asm_lineno;
  60
  61 unsigned int get_stab_string_offset PARAMS ((const char *string,
  62                                              const char *stabstr_secname));
  63
  64 char *demand_copy_C_string PARAMS ((int *len_pointer));
  65 char get_absolute_expression_and_terminator PARAMS ((long *val_pointer));
  66 offsetT get_absolute_expression PARAMS ((void));
  67 unsigned int next_char_of_string PARAMS ((void));
  68 void add_include_dir PARAMS ((char *path));
  69 void cons PARAMS ((int nbytes));
  70 void demand_empty_rest_of_line PARAMS ((void));
  71 void emit_expr PARAMS ((expressionS *exp, unsigned int nbytes));
  72 void equals PARAMS ((char *sym_name));
  73 void float_cons PARAMS ((int float_type));
  74 void ignore_rest_of_line PARAMS ((void));
  75 void pseudo_set PARAMS ((symbolS * symbolP));
  76 void read_a_source_file PARAMS ((char *name));
  77 void read_begin PARAMS ((void));
  78 void s_abort PARAMS ((int));
  79 void s_align_bytes PARAMS ((int arg));
  80 void s_align_ptwo PARAMS ((int));
  81 void s_app_file PARAMS ((int));
  82 void s_app_line PARAMS ((int));
  83 void s_comm PARAMS ((int));
  84 void s_data PARAMS ((int));
  85 void s_desc PARAMS ((int));
  86 void s_else PARAMS ((int arg));
  87 void s_end PARAMS ((int arg));
  88 void s_endif PARAMS ((int arg));
  89 void s_fill PARAMS ((int));
  90 void s_globl PARAMS ((int arg));
  91 void s_if PARAMS ((int arg));
  92 void s_ifdef PARAMS ((int arg));
  93 void s_ifeqs PARAMS ((int arg));
  94 void s_ignore PARAMS ((int arg));
  95 void s_include PARAMS ((int arg));
  96 void s_lcomm PARAMS ((int needs_align));
  97 void s_lsym PARAMS ((int));
  98 void s_org PARAMS ((int));
  99 void s_set PARAMS ((int));
 100 void s_space PARAMS ((int mult));
 101 void s_stab PARAMS ((int what));
 102 void s_text PARAMS ((int));
 103 void stringer PARAMS ((int append_zero));
 104 void s_xstab PARAMS ((int what));
 105
 106 /* end of read.h */