[binutils.git] / gdb / language.h

/* Source-language-related definitions for GDB.
   Copyright 1991, 1992 Free Software Foundation, Inc.
   Contributed by the Department of Computer Science at the State University
   of New York at Buffalo.

This file is part of GDB.

This program 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 of the License, or
(at your option) any later version.

This program 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 this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */

#if !defined (LANGUAGE_H)
#define LANGUAGE_H 1

#ifdef __STDC__		/* Forward decls for prototypes */
struct value;
struct objfile;
/* enum exp_opcode;	ANSI's `wisdom' didn't include forward enum decls. */
#endif

/* This used to be included to configure GDB for one or more specific
   languages.  Now it is shortcutted to configure for all of them.  FIXME.  */
/* #include "lang_def.h" */
#define	_LANG_c
#define	_LANG_m2
#define	_LANG_chill

/* range_mode ==
   range_mode_auto:   range_check set automatically to default of language.
   range_mode_manual: range_check set manually by user.  */

extern enum range_mode {range_mode_auto, range_mode_manual} range_mode;

/* range_check ==
   range_check_on:    Ranges are checked in GDB expressions, producing errors.
   range_check_warn:  Ranges are checked, producing warnings.
   range_check_off:   Ranges are not checked in GDB expressions.  */

extern enum range_check
  {range_check_off, range_check_warn, range_check_on} range_check;

/* type_mode ==
   type_mode_auto:   type_check set automatically to default of language
   type_mode_manual: type_check set manually by user. */

extern enum type_mode {type_mode_auto, type_mode_manual} type_mode;

/* type_check ==
   type_check_on:    Types are checked in GDB expressions, producing errors.
   type_check_warn:  Types are checked, producing warnings.
   type_check_off:   Types are not checked in GDB expressions.  */

extern enum type_check
  {type_check_off, type_check_warn, type_check_on} type_check;
\f
/* Information for doing language dependent formatting of printed values. */

struct language_format_info
{
  /* The format that can be passed directly to standard C printf functions
     to generate a completely formatted value in the format appropriate for
     the language. */

  char *la_format;

  /* The prefix to be used when directly printing a value, or constructing
     a standard C printf format.  This generally is everything up to the
     conversion specification (the part introduced by the '%' character
     and terminated by the conversion specifier character). */

  char *la_format_prefix;

  /* The conversion specifier.  This is generally everything after the
     field width and precision, typically only a single character such
     as 'o' for octal format or 'x' for hexadecimal format. */

  char *la_format_specifier;

  /* The suffix to be used when directly printing a value, or constructing
     a standard C printf format.  This generally is everything after the
     conversion specification (the part introduced by the '%' character
     and terminated by the conversion specifier character). */

  char *la_format_suffix;		/* Suffix for custom format string */
};

/* Structure tying together assorted information about a language.  */

struct language_defn
{
  /* Name of the language */
  
  char *la_name;

  /* its symtab language-enum (defs.h) */

  enum language la_language;

  /* Its builtin types */

  struct type ** const *la_builtin_type_vector;

  /* Default range checking */

  enum range_check la_range_check;

  /* Default type checking */

  enum type_check la_type_check;

  /* Parser function. */
  
  int (*la_parser) PARAMS((void));

  /* Parser error function */

  void (*la_error) PARAMS ((char *));

  void (*la_printchar) PARAMS ((int, FILE *));

  void (*la_printstr) PARAMS ((FILE *, char *, unsigned int, int));

  struct type *(*la_fund_type) PARAMS ((struct objfile *, int));

  /* Print a type using syntax appropriate for this language. */

  void (*la_print_type) PARAMS ((struct type *, char *, FILE *, int, int));

  /* Print a value using syntax appropriate for this language. */

  int (*la_val_print) PARAMS ((struct type *, char *,  CORE_ADDR, FILE *,
			       int, int, int, enum val_prettyprint));

  /* Longest signed integral type */

  struct type **la_longest_int;

  /* Longest unsigned integral type */

  struct type **la_longest_unsigned_int;

  /* Longest floating point type */

  struct type **la_longest_float;

  /* Base 2 (binary) formats. */

  struct language_format_info la_binary_format;

  /* Base 8 (octal) formats. */

  struct language_format_info la_octal_format;

  /* Base 10 (decimal) formats */

  struct language_format_info la_decimal_format;

  /* Base 16 (hexadecimal) formats */

  struct language_format_info la_hex_format;


  /* Table for printing expressions */

  const struct op_print *la_op_print_tab;

  /* Add fields above this point, so the magic number is always last. */
  /* Magic number for compat checking */

  long la_magic;

};

#define LANG_MAGIC	910823L

/* Pointer to the language_defn for our current language.  This pointer
   always points to *some* valid struct; it can be used without checking
   it for validity.  */

extern const struct language_defn *current_language;

/* Pointer to the language_defn expected by the user, e.g. the language
   of main(), or the language we last mentioned in a message, or C.  */

extern const struct language_defn *expected_language;

/* language_mode == 
   language_mode_auto:   current_language automatically set upon selection
			 of scope (e.g. stack frame)
   language_mode_manual: current_language set only by user.  */

extern enum language_mode
  {language_mode_auto, language_mode_manual} language_mode;
\f
/* These macros define the behaviour of the expression 
   evaluator.  */

/* Should we strictly type check expressions? */
#define STRICT_TYPE (type_check != type_check_off)

/* Should we range check values against the domain of their type? */
#define RANGE_CHECK (range_check != range_check_off)

/* "cast" really means conversion */
/* FIXME -- should be a setting in language_defn */
#define CAST_IS_CONVERSION (current_language->la_language == language_c  || \
			    current_language->la_language == language_cplus)

extern void
language_info PARAMS ((int));

extern void
set_language PARAMS ((enum language));

\f
/* This page contains functions that return things that are
   specific to languages.  Each of these functions is based on
   the current setting of working_lang, which the user sets
   with the "set language" command. */

/* Returns some built-in types */
#define	longest_int()		(*current_language->la_longest_int)
#define	longest_unsigned_int()	(*current_language->la_longest_unsigned_int)
#define	longest_float()		(*current_language->la_longest_float)

#define create_fundamental_type(objfile,typeid) \
  (current_language->la_fund_type(objfile, typeid))

#define LA_PRINT_TYPE(type,varstring,stream,show,level) \
  (current_language->la_print_type(type,varstring,stream,show,level))

#define LA_VAL_PRINT(type,valaddr,addr,stream,fmt,deref,recurse,pretty) \
  (current_language->la_val_print(type,valaddr,addr,stream,fmt,deref, \
				  recurse,pretty))

/* Return a format string for printf that will print a number in one of
   the local (language-specific) formats.  Result is static and is
   overwritten by the next call.  Takes printf options like "08" or "l"
   (to produce e.g. %08x or %lx).  */

#define local_binary_format() \
  (current_language->la_binary_format.la_format)
#define local_binary_format_prefix() \
  (current_language->la_binary_format.la_format_prefix)
#define local_binary_format_specifier() \
  (current_language->la_binary_format.la_format_specifier)
#define local_binary_format_suffix() \
  (current_language->la_binary_format.la_format_suffix)

#define local_octal_format() \
  (current_language->la_octal_format.la_format)
#define local_octal_format_prefix() \
  (current_language->la_octal_format.la_format_prefix)
#define local_octal_format_specifier() \
  (current_language->la_octal_format.la_format_specifier)
#define local_octal_format_suffix() \
  (current_language->la_octal_format.la_format_suffix)

#define local_decimal_format() \
  (current_language->la_decimal_format.la_format)
#define local_decimal_format_prefix() \
  (current_language->la_decimal_format.la_format_prefix)
#define local_decimal_format_specifier() \
  (current_language->la_decimal_format.la_format_specifier)
#define local_decimal_format_suffix() \
  (current_language->la_decimal_format.la_format_suffix)

#define local_hex_format() \
  (current_language->la_hex_format.la_format)
#define local_hex_format_prefix() \
  (current_language->la_hex_format.la_format_prefix)
#define local_hex_format_specifier() \
  (current_language->la_hex_format.la_format_specifier)
#define local_hex_format_suffix() \
  (current_language->la_hex_format.la_format_suffix)

#define LA_PRINT_CHAR(ch, stream) \
  (current_language->la_printchar(ch, stream))
#define LA_PRINT_STRING(stream, string, length, force_ellipses) \
  (current_language->la_printstr(stream, string, length, force_ellipses))

/* Test a character to decide whether it can be printed in literal form
   or needs to be printed in another representation.  For example,
   in C the literal form of the character with octal value 141 is 'a'
   and the "other representation" is '\141'.  The "other representation"
   is program language dependent. */

#define PRINT_LITERAL_FORM(c) \
  ((c)>=0x20 && ((c)<0x7F || (c)>=0xA0) && (!sevenbit_strings || (c)<0x80))

/* Return a format string for printf that will print a number in one of
   the local (language-specific) formats.  Result is static and is
   overwritten by the next call.  Takes printf options like "08" or "l"
   (to produce e.g. %08x or %lx).  */

extern char *
local_decimal_format_custom PARAMS ((char *));	/* language.c */

extern char *
local_octal_format_custom PARAMS ((char *));	/* language.c */

extern char *
local_hex_format_custom PARAMS ((char *));	/* language.c */

/* Return a string that contains a number formatted in one of the local
   (language-specific) formats.  Result is static and is overwritten by
   the next call.  Takes printf options like "08" or "l".  */

extern char *
local_octal_string PARAMS ((int));		/* language.c */

extern char *
local_octal_string_custom PARAMS ((int, char *));/* language.c */

extern char *
local_hex_string PARAMS ((int));		/* language.c */

extern char *
local_hex_string_custom PARAMS ((int, char *));	/* language.c */

/* Type predicates */

extern int
simple_type PARAMS ((struct type *));

extern int
ordered_type PARAMS ((struct type *));

extern int
same_type PARAMS ((struct type *, struct type *));

extern int
integral_type PARAMS ((struct type *));

extern int
numeric_type PARAMS ((struct type *));

extern int
character_type PARAMS ((struct type *));

extern int
boolean_type PARAMS ((struct type *));

extern int
float_type PARAMS ((struct type *));

extern int
pointer_type PARAMS ((struct type *));

extern int
structured_type PARAMS ((struct type *));

/* Checks Binary and Unary operations for semantic type correctness */
/* FIXME:  Does not appear to be used */
#define unop_type_check(v,o) binop_type_check((v),NULL,(o))

extern void
binop_type_check PARAMS ((struct value *, struct value *, int));

/* Error messages */

extern void
op_error PARAMS ((char *fmt, enum exp_opcode, int));

#define type_op_error(f,o) \
   op_error((f),(o),type_check==type_check_on ? 1 : 0)
#define range_op_error(f,o) \
   op_error((f),(o),range_check==range_check_on ? 1 : 0)

extern void
type_error ();

void
range_error ();

/* Data:  Does this value represent "truth" to the current language?  */

extern int
value_true PARAMS ((struct value *));

/* Misc:  The string representing a particular enum language.  */

extern const struct language_defn *
language_def PARAMS ((enum language));

extern char *
language_str PARAMS ((enum language));

/* Add a language to the set known by GDB (at initialization time).  */

extern void
add_language PARAMS ((const struct language_defn *));

extern enum language
get_frame_language PARAMS ((void));		/* In stack.c */

#endif	/* defined (LANGUAGE_H) */
Commit	Line	Data
c8023e66	1	/* Source-language-related definitions for GDB.
75af490b	2	Copyright 1991, 1992 Free Software Foundation, Inc.
c8023e66 JG	3	Contributed by the Department of Computer Science at the State University
	4	of New York at Buffalo.
	5
	6	This file is part of GDB.
	7
	8	This program is free software; you can redistribute it and/or modify
	9	it under the terms of the GNU General Public License as published by
	10	the Free Software Foundation; either version 2 of the License, or
	11	(at your option) any later version.
	12
	13	This program is distributed in the hope that it will be useful,
	14	but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	GNU General Public License for more details.
	17
	18	You should have received a copy of the GNU General Public License
	19	along with this program; if not, write to the Free Software
	20	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
	21
75af490b JG	22	#if !defined (LANGUAGE_H)
	23	#define LANGUAGE_H 1
	24
f9e3b3cc	25	#ifdef __STDC__ /* Forward decls for prototypes */
75af490b	26	struct value;
22e39759	27	struct objfile;
f9e3b3cc	28	/* enum exp_opcode; ANSI's `wisdom' didn't include forward enum decls. */
75af490b JG	29	#endif
75af490b JG	30
c8023e66 JG	31	/* This used to be included to configure GDB for one or more specific
	32	languages. Now it is shortcutted to configure for all of them. FIXME. */
	33	/* #include "lang_def.h" */
	34	#define _LANG_c
	35	#define _LANG_m2
e58de8a2	36	#define _LANG_chill
c8023e66 JG	37
	38	/* range_mode ==
	39	range_mode_auto: range_check set automatically to default of language.
	40	range_mode_manual: range_check set manually by user. */
	41
	42	extern enum range_mode {range_mode_auto, range_mode_manual} range_mode;
	43
	44	/* range_check ==
	45	range_check_on: Ranges are checked in GDB expressions, producing errors.
	46	range_check_warn: Ranges are checked, producing warnings.
	47	range_check_off: Ranges are not checked in GDB expressions. */
	48
	49	extern enum range_check
	50	{range_check_off, range_check_warn, range_check_on} range_check;
	51
	52	/* type_mode ==
	53	type_mode_auto: type_check set automatically to default of language
	54	type_mode_manual: type_check set manually by user. */
	55
	56	extern enum type_mode {type_mode_auto, type_mode_manual} type_mode;
	57
	58	/* type_check ==
	59	type_check_on: Types are checked in GDB expressions, producing errors.
	60	type_check_warn: Types are checked, producing warnings.
	61	type_check_off: Types are not checked in GDB expressions. */
	62
	63	extern enum type_check
	64	{type_check_off, type_check_warn, type_check_on} type_check;
	65	\f
2e66cf7d FF	66	/* Information for doing language dependent formatting of printed values. */
	67
	68	struct language_format_info
	69	{
	70	/* The format that can be passed directly to standard C printf functions
	71	to generate a completely formatted value in the format appropriate for
	72	the language. */
	73
	74	char *la_format;
	75
	76	/* The prefix to be used when directly printing a value, or constructing
	77	a standard C printf format. This generally is everything up to the
	78	conversion specification (the part introduced by the '%' character
	79	and terminated by the conversion specifier character). */
	80
	81	char *la_format_prefix;
	82
	83	/* The conversion specifier. This is generally everything after the
	84	field width and precision, typically only a single character such
	85	as 'o' for octal format or 'x' for hexadecimal format. */
	86
	87	char *la_format_specifier;
	88
	89	/* The suffix to be used when directly printing a value, or constructing
	90	a standard C printf format. This generally is everything after the
	91	conversion specification (the part introduced by the '%' character
	92	and terminated by the conversion specifier character). */
	93
	94	char la_format_suffix; / Suffix for custom format string */
	95	};
	96
c8023e66 JG	97	/* Structure tying together assorted information about a language. */
c8023e66 JG	98
a8a69e63 FF	99	struct language_defn
	100	{
	101	/* Name of the language */
	102
	103	char *la_name;
	104
	105	/* its symtab language-enum (defs.h) */
	106
	107	enum language la_language;
	108
	109	/* Its builtin types */
	110
	111	struct type ** const *la_builtin_type_vector;
	112
	113	/* Default range checking */
	114
	115	enum range_check la_range_check;
	116
	117	/* Default type checking */
	118
	119	enum type_check la_type_check;
	120
	121	/* Parser function. */
	122
	123	int (*la_parser) PARAMS((void));
	124
	125	/* Parser error function */
	126
	127	void (la_error) PARAMS ((char ));
	128
	129	void (la_printchar) PARAMS ((int, FILE ));
	130
	131	void (la_printstr) PARAMS ((FILE , char *, unsigned int, int));
	132
	133	struct type (la_fund_type) PARAMS ((struct objfile *, int));
	134
	135	/* Print a type using syntax appropriate for this language. */
	136
	137	void (la_print_type) PARAMS ((struct type , char , FILE , int, int));
	138
	139	/* Print a value using syntax appropriate for this language. */
	140
	141	int (la_val_print) PARAMS ((struct type , char , CORE_ADDR, FILE ,
	142	int, int, int, enum val_prettyprint));
	143
	144	/* Longest signed integral type */
	145
	146	struct type **la_longest_int;
	147
	148	/* Longest unsigned integral type */
	149
	150	struct type **la_longest_unsigned_int;
	151
	152	/* Longest floating point type */
	153
	154	struct type **la_longest_float;
	155
	156	/* Base 2 (binary) formats. */
	157
	158	struct language_format_info la_binary_format;
	159
	160	/* Base 8 (octal) formats. */
	161
	162	struct language_format_info la_octal_format;
163
164	/* Base 10 (decimal) formats */
165
166	struct language_format_info la_decimal_format;
167
168	/* Base 16 (hexadecimal) formats */
169
170	struct language_format_info la_hex_format;
171
172
173	/* Table for printing expressions */
174
175	const struct op_print *la_op_print_tab;
176
177	/* Add fields above this point, so the magic number is always last. */
178	/* Magic number for compat checking */
179
180	long la_magic;
181
c8023e66 JG	182	};
	183
	184	#define LANG_MAGIC 910823L
	185
	186	/* Pointer to the language_defn for our current language. This pointer
	187	always points to some valid struct; it can be used without checking
	188	it for validity. */
	189
0c6efbcc	190	extern const struct language_defn *current_language;
c8023e66	191
b5af69c3 JG	192	/* Pointer to the language_defn expected by the user, e.g. the language
	193	of main(), or the language we last mentioned in a message, or C. */
	194
	195	extern const struct language_defn *expected_language;
	196
c8023e66 JG	197	/* language_mode ==
	198	language_mode_auto: current_language automatically set upon selection
	199	of scope (e.g. stack frame)
	200	language_mode_manual: current_language set only by user. */
	201
	202	extern enum language_mode
	203	{language_mode_auto, language_mode_manual} language_mode;
	204	\f
	205	/* These macros define the behaviour of the expression
	206	evaluator. */
	207
	208	/* Should we strictly type check expressions? */
1a5a8f2a	209	#define STRICT_TYPE (type_check != type_check_off)
c8023e66 JG	210
c8023e66 JG	211	/* Should we range check values against the domain of their type? */
1a5a8f2a	212	#define RANGE_CHECK (range_check != range_check_off)
c8023e66 JG	213
	214	/* "cast" really means conversion */
	215	/* FIXME -- should be a setting in language_defn */
f77ad505 FF	216	#define CAST_IS_CONVERSION (current_language->la_language == language_c \|\| \
f77ad505 FF	217	current_language->la_language == language_cplus)
c8023e66	218
75af490b JG	219	extern void
	220	language_info PARAMS ((int));
	221
	222	extern void
	223	set_language PARAMS ((enum language));
	224
c8023e66 JG	225	\f
	226	/* This page contains functions that return things that are
	227	specific to languages. Each of these functions is based on
	228	the current setting of working_lang, which the user sets
	229	with the "set language" command. */
	230
	231	/* Returns some built-in types */
	232	#define longest_int() (*current_language->la_longest_int)
	233	#define longest_unsigned_int() (*current_language->la_longest_unsigned_int)
	234	#define longest_float() (*current_language->la_longest_float)
c8023e66	235
bf229b4e FF	236	#define create_fundamental_type(objfile,typeid) \
	237	(current_language->la_fund_type(objfile, typeid))
	238
a8a69e63 FF	239	#define LA_PRINT_TYPE(type,varstring,stream,show,level) \
	240	(current_language->la_print_type(type,varstring,stream,show,level))
	241
	242	#define LA_VAL_PRINT(type,valaddr,addr,stream,fmt,deref,recurse,pretty) \
	243	(current_language->la_val_print(type,valaddr,addr,stream,fmt,deref, \
	244	recurse,pretty))
	245
2e66cf7d FF	246	/* Return a format string for printf that will print a number in one of
	247	the local (language-specific) formats. Result is static and is
	248	overwritten by the next call. Takes printf options like "08" or "l"
	249	(to produce e.g. %08x or %lx). */
	250
	251	#define local_binary_format() \
	252	(current_language->la_binary_format.la_format)
	253	#define local_binary_format_prefix() \
	254	(current_language->la_binary_format.la_format_prefix)
	255	#define local_binary_format_specifier() \
	256	(current_language->la_binary_format.la_format_specifier)
	257	#define local_binary_format_suffix() \
	258	(current_language->la_binary_format.la_format_suffix)
	259
	260	#define local_octal_format() \
	261	(current_language->la_octal_format.la_format)
	262	#define local_octal_format_prefix() \
	263	(current_language->la_octal_format.la_format_prefix)
	264	#define local_octal_format_specifier() \
	265	(current_language->la_octal_format.la_format_specifier)
	266	#define local_octal_format_suffix() \
	267	(current_language->la_octal_format.la_format_suffix)
	268
	269	#define local_decimal_format() \
	270	(current_language->la_decimal_format.la_format)
	271	#define local_decimal_format_prefix() \
	272	(current_language->la_decimal_format.la_format_prefix)
	273	#define local_decimal_format_specifier() \
	274	(current_language->la_decimal_format.la_format_specifier)
	275	#define local_decimal_format_suffix() \
	276	(current_language->la_decimal_format.la_format_suffix)
	277
	278	#define local_hex_format() \
	279	(current_language->la_hex_format.la_format)
	280	#define local_hex_format_prefix() \
	281	(current_language->la_hex_format.la_format_prefix)
	282	#define local_hex_format_specifier() \
	283	(current_language->la_hex_format.la_format_specifier)
	284	#define local_hex_format_suffix() \
	285	(current_language->la_hex_format.la_format_suffix)
	286
a8a69e63	287	#define LA_PRINT_CHAR(ch, stream) \
5d074aa9	288	(current_language->la_printchar(ch, stream))
a8a69e63	289	#define LA_PRINT_STRING(stream, string, length, force_ellipses) \
5d074aa9 FF	290	(current_language->la_printstr(stream, string, length, force_ellipses))
5d074aa9 FF	291
5707ea9f FF	292	/* Test a character to decide whether it can be printed in literal form
	293	or needs to be printed in another representation. For example,
	294	in C the literal form of the character with octal value 141 is 'a'
	295	and the "other representation" is '\141'. The "other representation"
	296	is program language dependent. */
	297
	298	#define PRINT_LITERAL_FORM(c) \
	299	((c)>=0x20 && ((c)<0x7F \|\| (c)>=0xA0) && (!sevenbit_strings \|\| (c)<0x80))
	300
2e66cf7d FF	301	/* Return a format string for printf that will print a number in one of
	302	the local (language-specific) formats. Result is static and is
	303	overwritten by the next call. Takes printf options like "08" or "l"
	304	(to produce e.g. %08x or %lx). */
c8023e66	305
58a66e24 FF	306	extern char *
	307	local_decimal_format_custom PARAMS ((char )); / language.c */
	308
2e66cf7d FF	309	extern char *
	310	local_octal_format_custom PARAMS ((char )); / language.c */
	311
	312	extern char *
	313	local_hex_format_custom PARAMS ((char )); / language.c */
c8023e66	314
2e66cf7d FF	315	/* Return a string that contains a number formatted in one of the local
	316	(language-specific) formats. Result is static and is overwritten by
	317	the next call. Takes printf options like "08" or "l". */
	318
	319	extern char *
	320	local_octal_string PARAMS ((int)); /* language.c */
	321
	322	extern char *
	323	local_octal_string_custom PARAMS ((int, char ));/ language.c */
	324
	325	extern char *
	326	local_hex_string PARAMS ((int)); /* language.c */
75af490b JG	327
75af490b JG	328	extern char *
2e66cf7d	329	local_hex_string_custom PARAMS ((int, char )); / language.c */
c8023e66 JG	330
c8023e66 JG	331	/* Type predicates */
75af490b JG	332
	333	extern int
	334	simple_type PARAMS ((struct type *));
	335
	336	extern int
	337	ordered_type PARAMS ((struct type *));
	338
	339	extern int
	340	same_type PARAMS ((struct type , struct type ));
	341
	342	extern int
	343	integral_type PARAMS ((struct type *));
	344
	345	extern int
	346	numeric_type PARAMS ((struct type *));
	347
	348	extern int
	349	character_type PARAMS ((struct type *));
	350
	351	extern int
	352	boolean_type PARAMS ((struct type *));
	353
	354	extern int
	355	float_type PARAMS ((struct type *));
	356
	357	extern int
	358	pointer_type PARAMS ((struct type *));
	359
	360	extern int
	361	structured_type PARAMS ((struct type *));
c8023e66 JG	362
c8023e66 JG	363	/* Checks Binary and Unary operations for semantic type correctness */
75af490b	364	/* FIXME: Does not appear to be used */
c8023e66 JG	365	#define unop_type_check(v,o) binop_type_check((v),NULL,(o))
c8023e66 JG	366
75af490b JG	367	extern void
	368	binop_type_check PARAMS ((struct value , struct value , int));
	369
c8023e66	370	/* Error messages */
75af490b JG	371
	372	extern void
	373	op_error PARAMS ((char *fmt, enum exp_opcode, int));
	374
c8023e66 JG	375	#define type_op_error(f,o) \
	376	op_error((f),(o),type_check==type_check_on ? 1 : 0)
	377	#define range_op_error(f,o) \
	378	op_error((f),(o),range_check==range_check_on ? 1 : 0)
75af490b JG	379
	380	extern void
	381	type_error ();
	382
	383	void
	384	range_error ();
c8023e66 JG	385
c8023e66 JG	386	/* Data: Does this value represent "truth" to the current language? */
75af490b JG	387
	388	extern int
	389	value_true PARAMS ((struct value *));
c8023e66 JG	390
c8023e66 JG	391	/* Misc: The string representing a particular enum language. */
75af490b	392
bf229b4e FF	393	extern const struct language_defn *
	394	language_def PARAMS ((enum language));
	395
75af490b JG	396	extern char *
75af490b JG	397	language_str PARAMS ((enum language));
c8023e66 JG	398
c8023e66 JG	399	/* Add a language to the set known by GDB (at initialization time). */
d8ce1326	400
75af490b JG	401	extern void
	402	add_language PARAMS ((const struct language_defn *));
	403
	404	extern enum language
	405	get_frame_language PARAMS ((void)); /* In stack.c */
	406
	407	#endif /* defined (LANGUAGE_H) */