[deliverable/binutils-gdb.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
/* start-sanitize-chill */
#define	_LANG_chill
/* end-sanitize-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
19cfe25d	36	/* start-sanitize-chill */
e58de8a2	37	#define _LANG_chill
19cfe25d	38	/* end-sanitize-chill */
c8023e66 JG	39
	40	/* range_mode ==
	41	range_mode_auto: range_check set automatically to default of language.
	42	range_mode_manual: range_check set manually by user. */
	43
	44	extern enum range_mode {range_mode_auto, range_mode_manual} range_mode;
	45
	46	/* range_check ==
	47	range_check_on: Ranges are checked in GDB expressions, producing errors.
	48	range_check_warn: Ranges are checked, producing warnings.
	49	range_check_off: Ranges are not checked in GDB expressions. */
	50
	51	extern enum range_check
	52	{range_check_off, range_check_warn, range_check_on} range_check;
	53
	54	/* type_mode ==
	55	type_mode_auto: type_check set automatically to default of language
	56	type_mode_manual: type_check set manually by user. */
	57
	58	extern enum type_mode {type_mode_auto, type_mode_manual} type_mode;
	59
	60	/* type_check ==
	61	type_check_on: Types are checked in GDB expressions, producing errors.
	62	type_check_warn: Types are checked, producing warnings.
	63	type_check_off: Types are not checked in GDB expressions. */
	64
	65	extern enum type_check
	66	{type_check_off, type_check_warn, type_check_on} type_check;
	67	\f
2e66cf7d FF	68	/* Information for doing language dependent formatting of printed values. */
	69
	70	struct language_format_info
	71	{
	72	/* The format that can be passed directly to standard C printf functions
	73	to generate a completely formatted value in the format appropriate for
	74	the language. */
	75
	76	char *la_format;
	77
	78	/* The prefix to be used when directly printing a value, or constructing
	79	a standard C printf format. This generally is everything up to the
	80	conversion specification (the part introduced by the '%' character
	81	and terminated by the conversion specifier character). */
	82
	83	char *la_format_prefix;
	84
	85	/* The conversion specifier. This is generally everything after the
	86	field width and precision, typically only a single character such
	87	as 'o' for octal format or 'x' for hexadecimal format. */
	88
	89	char *la_format_specifier;
	90
	91	/* The suffix to be used when directly printing a value, or constructing
	92	a standard C printf format. This generally is everything after the
	93	conversion specification (the part introduced by the '%' character
	94	and terminated by the conversion specifier character). */
	95
	96	char la_format_suffix; / Suffix for custom format string */
	97	};
	98
c8023e66 JG	99	/* Structure tying together assorted information about a language. */
c8023e66 JG	100
a8a69e63 FF	101	struct language_defn
	102	{
	103	/* Name of the language */
	104
	105	char *la_name;
	106
	107	/* its symtab language-enum (defs.h) */
	108
	109	enum language la_language;
	110
	111	/* Its builtin types */
	112
	113	struct type ** const *la_builtin_type_vector;
	114
	115	/* Default range checking */
	116
	117	enum range_check la_range_check;
	118
	119	/* Default type checking */
	120
	121	enum type_check la_type_check;
	122
	123	/* Parser function. */
	124
	125	int (*la_parser) PARAMS((void));
	126
	127	/* Parser error function */
	128
	129	void (la_error) PARAMS ((char ));
	130
	131	void (la_printchar) PARAMS ((int, FILE ));
	132
	133	void (la_printstr) PARAMS ((FILE , char *, unsigned int, int));
	134
	135	struct type (la_fund_type) PARAMS ((struct objfile *, int));
	136
	137	/* Print a type using syntax appropriate for this language. */
	138
	139	void (la_print_type) PARAMS ((struct type , char , FILE , int, int));
	140
	141	/* Print a value using syntax appropriate for this language. */
	142
	143	int (la_val_print) PARAMS ((struct type , char , CORE_ADDR, FILE ,
	144	int, int, int, enum val_prettyprint));
	145
	146	/* Longest signed integral type */
	147
	148	struct type **la_longest_int;
	149
	150	/* Longest unsigned integral type */
	151
	152	struct type **la_longest_unsigned_int;
	153
	154	/* Longest floating point type */
	155
	156	struct type **la_longest_float;
	157
	158	/* Base 2 (binary) formats. */
	159
	160	struct language_format_info la_binary_format;
	161
	162	/* Base 8 (octal) formats. */
	163
	164	struct language_format_info la_octal_format;
165
166	/* Base 10 (decimal) formats */
167
168	struct language_format_info la_decimal_format;
169
170	/* Base 16 (hexadecimal) formats */
171
172	struct language_format_info la_hex_format;
173
174
175	/* Table for printing expressions */
176
177	const struct op_print *la_op_print_tab;
178
179	/* Add fields above this point, so the magic number is always last. */
180	/* Magic number for compat checking */
181
182	long la_magic;
183
c8023e66 JG	184	};
	185
	186	#define LANG_MAGIC 910823L
	187
	188	/* Pointer to the language_defn for our current language. This pointer
	189	always points to some valid struct; it can be used without checking
	190	it for validity. */
	191
0c6efbcc	192	extern const struct language_defn *current_language;
c8023e66	193
b5af69c3 JG	194	/* Pointer to the language_defn expected by the user, e.g. the language
	195	of main(), or the language we last mentioned in a message, or C. */
	196
	197	extern const struct language_defn *expected_language;
	198
c8023e66 JG	199	/* language_mode ==
	200	language_mode_auto: current_language automatically set upon selection
	201	of scope (e.g. stack frame)
	202	language_mode_manual: current_language set only by user. */
	203
	204	extern enum language_mode
	205	{language_mode_auto, language_mode_manual} language_mode;
	206	\f
	207	/* These macros define the behaviour of the expression
	208	evaluator. */
	209
	210	/* Should we strictly type check expressions? */
1a5a8f2a	211	#define STRICT_TYPE (type_check != type_check_off)
c8023e66 JG	212
c8023e66 JG	213	/* Should we range check values against the domain of their type? */
1a5a8f2a	214	#define RANGE_CHECK (range_check != range_check_off)
c8023e66 JG	215
	216	/* "cast" really means conversion */
	217	/* FIXME -- should be a setting in language_defn */
f77ad505 FF	218	#define CAST_IS_CONVERSION (current_language->la_language == language_c \|\| \
f77ad505 FF	219	current_language->la_language == language_cplus)
c8023e66	220
75af490b JG	221	extern void
	222	language_info PARAMS ((int));
	223
	224	extern void
	225	set_language PARAMS ((enum language));
	226
c8023e66 JG	227	\f
	228	/* This page contains functions that return things that are
	229	specific to languages. Each of these functions is based on
	230	the current setting of working_lang, which the user sets
	231	with the "set language" command. */
	232
	233	/* Returns some built-in types */
	234	#define longest_int() (*current_language->la_longest_int)
	235	#define longest_unsigned_int() (*current_language->la_longest_unsigned_int)
	236	#define longest_float() (*current_language->la_longest_float)
c8023e66	237
bf229b4e FF	238	#define create_fundamental_type(objfile,typeid) \
	239	(current_language->la_fund_type(objfile, typeid))
	240
a8a69e63 FF	241	#define LA_PRINT_TYPE(type,varstring,stream,show,level) \
	242	(current_language->la_print_type(type,varstring,stream,show,level))
	243
	244	#define LA_VAL_PRINT(type,valaddr,addr,stream,fmt,deref,recurse,pretty) \
	245	(current_language->la_val_print(type,valaddr,addr,stream,fmt,deref, \
	246	recurse,pretty))
	247
2e66cf7d FF	248	/* Return a format string for printf that will print a number in one of
	249	the local (language-specific) formats. Result is static and is
	250	overwritten by the next call. Takes printf options like "08" or "l"
	251	(to produce e.g. %08x or %lx). */
	252
	253	#define local_binary_format() \
	254	(current_language->la_binary_format.la_format)
	255	#define local_binary_format_prefix() \
	256	(current_language->la_binary_format.la_format_prefix)
	257	#define local_binary_format_specifier() \
	258	(current_language->la_binary_format.la_format_specifier)
	259	#define local_binary_format_suffix() \
	260	(current_language->la_binary_format.la_format_suffix)
	261
	262	#define local_octal_format() \
	263	(current_language->la_octal_format.la_format)
	264	#define local_octal_format_prefix() \
	265	(current_language->la_octal_format.la_format_prefix)
	266	#define local_octal_format_specifier() \
	267	(current_language->la_octal_format.la_format_specifier)
	268	#define local_octal_format_suffix() \
	269	(current_language->la_octal_format.la_format_suffix)
	270
	271	#define local_decimal_format() \
	272	(current_language->la_decimal_format.la_format)
	273	#define local_decimal_format_prefix() \
	274	(current_language->la_decimal_format.la_format_prefix)
	275	#define local_decimal_format_specifier() \
	276	(current_language->la_decimal_format.la_format_specifier)
	277	#define local_decimal_format_suffix() \
	278	(current_language->la_decimal_format.la_format_suffix)
	279
	280	#define local_hex_format() \
	281	(current_language->la_hex_format.la_format)
	282	#define local_hex_format_prefix() \
	283	(current_language->la_hex_format.la_format_prefix)
	284	#define local_hex_format_specifier() \
	285	(current_language->la_hex_format.la_format_specifier)
	286	#define local_hex_format_suffix() \
	287	(current_language->la_hex_format.la_format_suffix)
	288
a8a69e63	289	#define LA_PRINT_CHAR(ch, stream) \
5d074aa9	290	(current_language->la_printchar(ch, stream))
a8a69e63	291	#define LA_PRINT_STRING(stream, string, length, force_ellipses) \
5d074aa9 FF	292	(current_language->la_printstr(stream, string, length, force_ellipses))
5d074aa9 FF	293
5707ea9f FF	294	/* Test a character to decide whether it can be printed in literal form
	295	or needs to be printed in another representation. For example,
	296	in C the literal form of the character with octal value 141 is 'a'
	297	and the "other representation" is '\141'. The "other representation"
	298	is program language dependent. */
	299
	300	#define PRINT_LITERAL_FORM(c) \
	301	((c)>=0x20 && ((c)<0x7F \|\| (c)>=0xA0) && (!sevenbit_strings \|\| (c)<0x80))
	302
2e66cf7d FF	303	/* Return a format string for printf that will print a number in one of
	304	the local (language-specific) formats. Result is static and is
	305	overwritten by the next call. Takes printf options like "08" or "l"
	306	(to produce e.g. %08x or %lx). */
c8023e66	307
58a66e24 FF	308	extern char *
	309	local_decimal_format_custom PARAMS ((char )); / language.c */
	310
2e66cf7d FF	311	extern char *
	312	local_octal_format_custom PARAMS ((char )); / language.c */
	313
	314	extern char *
	315	local_hex_format_custom PARAMS ((char )); / language.c */
c8023e66	316
2e66cf7d FF	317	/* Return a string that contains a number formatted in one of the local
	318	(language-specific) formats. Result is static and is overwritten by
	319	the next call. Takes printf options like "08" or "l". */
	320
	321	extern char *
	322	local_octal_string PARAMS ((int)); /* language.c */
	323
	324	extern char *
	325	local_octal_string_custom PARAMS ((int, char ));/ language.c */
	326
	327	extern char *
	328	local_hex_string PARAMS ((int)); /* language.c */
75af490b JG	329
75af490b JG	330	extern char *
2e66cf7d	331	local_hex_string_custom PARAMS ((int, char )); / language.c */
c8023e66 JG	332
c8023e66 JG	333	/* Type predicates */
75af490b JG	334
	335	extern int
	336	simple_type PARAMS ((struct type *));
	337
	338	extern int
	339	ordered_type PARAMS ((struct type *));
	340
	341	extern int
	342	same_type PARAMS ((struct type , struct type ));
	343
	344	extern int
	345	integral_type PARAMS ((struct type *));
	346
	347	extern int
	348	numeric_type PARAMS ((struct type *));
	349
	350	extern int
	351	character_type PARAMS ((struct type *));
	352
	353	extern int
	354	boolean_type PARAMS ((struct type *));
	355
	356	extern int
	357	float_type PARAMS ((struct type *));
	358
	359	extern int
	360	pointer_type PARAMS ((struct type *));
	361
	362	extern int
	363	structured_type PARAMS ((struct type *));
c8023e66 JG	364
c8023e66 JG	365	/* Checks Binary and Unary operations for semantic type correctness */
75af490b	366	/* FIXME: Does not appear to be used */
c8023e66 JG	367	#define unop_type_check(v,o) binop_type_check((v),NULL,(o))
c8023e66 JG	368
75af490b JG	369	extern void
	370	binop_type_check PARAMS ((struct value , struct value , int));
	371
c8023e66	372	/* Error messages */
75af490b JG	373
	374	extern void
	375	op_error PARAMS ((char *fmt, enum exp_opcode, int));
	376
c8023e66 JG	377	#define type_op_error(f,o) \
	378	op_error((f),(o),type_check==type_check_on ? 1 : 0)
	379	#define range_op_error(f,o) \
	380	op_error((f),(o),range_check==range_check_on ? 1 : 0)
75af490b JG	381
	382	extern void
	383	type_error ();
	384
	385	void
	386	range_error ();
c8023e66 JG	387
c8023e66 JG	388	/* Data: Does this value represent "truth" to the current language? */
75af490b JG	389
	390	extern int
	391	value_true PARAMS ((struct value *));
c8023e66 JG	392
c8023e66 JG	393	/* Misc: The string representing a particular enum language. */
75af490b	394
bf229b4e FF	395	extern const struct language_defn *
	396	language_def PARAMS ((enum language));
	397
75af490b JG	398	extern char *
75af490b JG	399	language_str PARAMS ((enum language));
c8023e66 JG	400
c8023e66 JG	401	/* Add a language to the set known by GDB (at initialization time). */
d8ce1326	402
75af490b JG	403	extern void
	404	add_language PARAMS ((const struct language_defn *));
	405
	406	extern enum language
	407	get_frame_language PARAMS ((void)); /* In stack.c */
	408
	409	#endif /* defined (LANGUAGE_H) */