[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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */

#if !defined (LANGUAGE_H)
#define LANGUAGE_H 1

#ifdef __STDC__		/* Forward decls for prototypes */
struct value;
struct objfile;
struct expression;
/* 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
#define _LANG_fortran

#define MAX_FORTRAN_DIMS  7   /* Maximum number of F77 array dims */ 

/* 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.  This is a vector ended by a NULL pointer.  These
     types can be specified by name in parsing types in expressions,
     regardless of whether the program being debugged actually defines
     such a type.  */

  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 *));

  /* Evaluate an expression. */
  struct value * (*evaluate_exp) PARAMS ((struct type *, struct expression *, 
					  int *, enum noside));

  void (*la_printchar) PARAMS ((int ch, GDB_FILE *stream));

  void (*la_printstr) PARAMS ((GDB_FILE *stream, char *string,
			       unsigned int length, int width,
			       int force_ellipses));

  void (*la_emitchar) PARAMS ((int ch, GDB_FILE *stream, int quoter));

  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 *, GDB_FILE *, int, int));

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

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

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

  int (*la_value_print) PARAMS ((struct value *, GDB_FILE *,
				 int, enum val_prettyprint));

  /* 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;

  /* Zero if the language has first-class arrays.  True if there are no
     array values, and array objects decay to pointers, as in C. */

  char c_style_arrays;

  /* Index to use for extracting the first element of a string. */
  char string_lower_bound;

  /* Type of elements of strings. */
  struct type **string_char_type;

  /* 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.

   The current language affects expression parsing and evaluation
   (FIXME: it might be cleaner to make the evaluation-related stuff
   separate exp_opcodes for each different set of semantics.  We
   should at least think this through more clearly with respect to
   what happens if the language is changed between parsing and
   evaluation) and printing of things like types and arrays.  It does
   *not* affect symbol-reading-- each source file in a symbol-file has
   its own language and we should keep track of that regardless of the
   language when symbols are read.  If we want some manual setting for
   the language of symbol files (e.g. detecting when ".c" files are
   C++), it should be a seprate setting from the current_language.  */

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 enum language
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. */

#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,offset,addr,stream,fmt,deref,recurse,pretty) \
  (current_language->la_val_print(type,valaddr,offset,addr,stream,fmt,deref, \
				  recurse,pretty))
#define LA_VALUE_PRINT(val,stream,fmt,pretty) \
  (current_language->la_value_print(val,stream,fmt,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, width, force_ellipses) \
  (current_language->la_printstr(stream, string, length, width, force_ellipses))
#define LA_EMIT_CHAR(ch, stream, quoter) \
  (current_language->la_emitchar(ch, stream, quoter))

/* 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_hex_string PARAMS ((unsigned long));		/* language.c */

extern char *
local_hex_string_custom PARAMS ((unsigned long, 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 PARAMS ((char *, ...))
     ATTR_FORMAT(printf, 1, 2);

void
range_error PARAMS ((char *, ...))
     ATTR_FORMAT(printf, 1, 2);

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

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

extern struct type * lang_bool_type PARAMS ((void));

/* The type used for Boolean values in the current language. */
#define LA_BOOL_TYPE lang_bool_type ()

/* 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
6c9638b4	20	Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
c8023e66	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;
7398958c	28	struct expression;
f9e3b3cc	29	/* enum exp_opcode; ANSI's `wisdom' didn't include forward enum decls. */
75af490b JG	30	#endif
75af490b JG	31
c8023e66 JG	32	/* This used to be included to configure GDB for one or more specific
	33	languages. Now it is shortcutted to configure for all of them. FIXME. */
	34	/* #include "lang_def.h" */
	35	#define _LANG_c
	36	#define _LANG_m2
e58de8a2	37	#define _LANG_chill
a91a6192 SS	38	#define _LANG_fortran
	39
	40	#define MAX_FORTRAN_DIMS 7 /* Maximum number of F77 array dims */
c8023e66 JG	41
	42	/* range_mode ==
	43	range_mode_auto: range_check set automatically to default of language.
	44	range_mode_manual: range_check set manually by user. */
	45
	46	extern enum range_mode {range_mode_auto, range_mode_manual} range_mode;
	47
	48	/* range_check ==
	49	range_check_on: Ranges are checked in GDB expressions, producing errors.
	50	range_check_warn: Ranges are checked, producing warnings.
	51	range_check_off: Ranges are not checked in GDB expressions. */
	52
	53	extern enum range_check
	54	{range_check_off, range_check_warn, range_check_on} range_check;
	55
	56	/* type_mode ==
	57	type_mode_auto: type_check set automatically to default of language
	58	type_mode_manual: type_check set manually by user. */
	59
	60	extern enum type_mode {type_mode_auto, type_mode_manual} type_mode;
	61
	62	/* type_check ==
	63	type_check_on: Types are checked in GDB expressions, producing errors.
	64	type_check_warn: Types are checked, producing warnings.
	65	type_check_off: Types are not checked in GDB expressions. */
	66
	67	extern enum type_check
	68	{type_check_off, type_check_warn, type_check_on} type_check;
	69	\f
2e66cf7d FF	70	/* Information for doing language dependent formatting of printed values. */
	71
	72	struct language_format_info
	73	{
	74	/* The format that can be passed directly to standard C printf functions
	75	to generate a completely formatted value in the format appropriate for
	76	the language. */
	77
	78	char *la_format;
	79
	80	/* The prefix to be used when directly printing a value, or constructing
	81	a standard C printf format. This generally is everything up to the
	82	conversion specification (the part introduced by the '%' character
	83	and terminated by the conversion specifier character). */
	84
	85	char *la_format_prefix;
	86
	87	/* The conversion specifier. This is generally everything after the
	88	field width and precision, typically only a single character such
	89	as 'o' for octal format or 'x' for hexadecimal format. */
	90
	91	char *la_format_specifier;
	92
	93	/* The suffix to be used when directly printing a value, or constructing
	94	a standard C printf format. This generally is everything after the
	95	conversion specification (the part introduced by the '%' character
	96	and terminated by the conversion specifier character). */
	97
	98	char la_format_suffix; / Suffix for custom format string */
	99	};
	100
c8023e66 JG	101	/* Structure tying together assorted information about a language. */
c8023e66 JG	102
a8a69e63 FF	103	struct language_defn
	104	{
	105	/* Name of the language */
	106
	107	char *la_name;
	108
	109	/* its symtab language-enum (defs.h) */
	110
	111	enum language la_language;
	112
61932a8e JK	113	/* Its builtin types. This is a vector ended by a NULL pointer. These
	114	types can be specified by name in parsing types in expressions,
	115	regardless of whether the program being debugged actually defines
	116	such a type. */
a8a69e63 FF	117
	118	struct type ** const *la_builtin_type_vector;
	119
	120	/* Default range checking */
	121
	122	enum range_check la_range_check;
	123
	124	/* Default type checking */
	125
	126	enum type_check la_type_check;
	127
	128	/* Parser function. */
	129
	130	int (*la_parser) PARAMS((void));
	131
	132	/* Parser error function */
	133
	134	void (la_error) PARAMS ((char ));
	135
7398958c	136	/* Evaluate an expression. */
242c0d81	137	struct value * (evaluate_exp) PARAMS ((struct type , struct expression *,
7398958c PB	138	int *, enum noside));
7398958c PB	139
242c0d81	140	void (la_printchar) PARAMS ((int ch, GDB_FILE stream));
a8a69e63	141
242c0d81 SG	142	void (la_printstr) PARAMS ((GDB_FILE stream, char *string,
	143	unsigned int length, int width,
	144	int force_ellipses));
	145
	146	void (la_emitchar) PARAMS ((int ch, GDB_FILE stream, int quoter));
a8a69e63 FF	147
	148	struct type (la_fund_type) PARAMS ((struct objfile *, int));
	149
	150	/* Print a type using syntax appropriate for this language. */
	151
199b2450	152	void (la_print_type) PARAMS ((struct type , char , GDB_FILE , int, int));
a8a69e63 FF	153
	154	/* Print a value using syntax appropriate for this language. */
	155
4ef1f467	156	int (la_val_print) PARAMS ((struct type , char , int, CORE_ADDR, GDB_FILE ,
a8a69e63 FF	157	int, int, int, enum val_prettyprint));
a8a69e63 FF	158
e10cfcaa PB	159	/* Print a top-level value using syntax appropriate for this language. */
	160
	161	int (la_value_print) PARAMS ((struct value , GDB_FILE *,
	162	int, enum val_prettyprint));
	163
a8a69e63 FF	164	/* Base 2 (binary) formats. */
	165
	166	struct language_format_info la_binary_format;
	167
	168	/* Base 8 (octal) formats. */
	169
	170	struct language_format_info la_octal_format;
	171
	172	/* Base 10 (decimal) formats */
	173
	174	struct language_format_info la_decimal_format;
	175
	176	/* Base 16 (hexadecimal) formats */
	177
	178	struct language_format_info la_hex_format;
	179
a8a69e63 FF	180	/* Table for printing expressions */
	181
	182	const struct op_print *la_op_print_tab;
	183
acc4efde PB	184	/* Zero if the language has first-class arrays. True if there are no
	185	array values, and array objects decay to pointers, as in C. */
	186
	187	char c_style_arrays;
	188
ead95f8a PB	189	/* Index to use for extracting the first element of a string. */
	190	char string_lower_bound;
	191
	192	/* Type of elements of strings. */
	193	struct type **string_char_type;
	194
a8a69e63 FF	195	/* Add fields above this point, so the magic number is always last. */
	196	/* Magic number for compat checking */
	197
	198	long la_magic;
	199
c8023e66 JG	200	};
	201
	202	#define LANG_MAGIC 910823L
	203
	204	/* Pointer to the language_defn for our current language. This pointer
	205	always points to some valid struct; it can be used without checking
a3178c64 JK	206	it for validity.
	207
	208	The current language affects expression parsing and evaluation
	209	(FIXME: it might be cleaner to make the evaluation-related stuff
	210	separate exp_opcodes for each different set of semantics. We
	211	should at least think this through more clearly with respect to
	212	what happens if the language is changed between parsing and
	213	evaluation) and printing of things like types and arrays. It does
	214	not affect symbol-reading-- each source file in a symbol-file has
	215	its own language and we should keep track of that regardless of the
	216	language when symbols are read. If we want some manual setting for
	217	the language of symbol files (e.g. detecting when ".c" files are
	218	C++), it should be a seprate setting from the current_language. */
c8023e66	219
0c6efbcc	220	extern const struct language_defn *current_language;
c8023e66	221
b5af69c3 JG	222	/* Pointer to the language_defn expected by the user, e.g. the language
	223	of main(), or the language we last mentioned in a message, or C. */
	224
	225	extern const struct language_defn *expected_language;
	226
c8023e66 JG	227	/* language_mode ==
	228	language_mode_auto: current_language automatically set upon selection
	229	of scope (e.g. stack frame)
	230	language_mode_manual: current_language set only by user. */
	231
	232	extern enum language_mode
	233	{language_mode_auto, language_mode_manual} language_mode;
	234	\f
	235	/* These macros define the behaviour of the expression
	236	evaluator. */
	237
	238	/* Should we strictly type check expressions? */
1a5a8f2a	239	#define STRICT_TYPE (type_check != type_check_off)
c8023e66 JG	240
c8023e66 JG	241	/* Should we range check values against the domain of their type? */
1a5a8f2a	242	#define RANGE_CHECK (range_check != range_check_off)
c8023e66 JG	243
	244	/* "cast" really means conversion */
	245	/* FIXME -- should be a setting in language_defn */
f77ad505 FF	246	#define CAST_IS_CONVERSION (current_language->la_language == language_c \|\| \
f77ad505 FF	247	current_language->la_language == language_cplus)
c8023e66	248
75af490b JG	249	extern void
	250	language_info PARAMS ((int));
	251
f6d23b6f	252	extern enum language
75af490b JG	253	set_language PARAMS ((enum language));
75af490b JG	254
c8023e66 JG	255	\f
	256	/* This page contains functions that return things that are
	257	specific to languages. Each of these functions is based on
	258	the current setting of working_lang, which the user sets
	259	with the "set language" command. */
	260
bf229b4e FF	261	#define create_fundamental_type(objfile,typeid) \
	262	(current_language->la_fund_type(objfile, typeid))
	263
a8a69e63 FF	264	#define LA_PRINT_TYPE(type,varstring,stream,show,level) \
	265	(current_language->la_print_type(type,varstring,stream,show,level))
	266
4ef1f467 DT	267	#define LA_VAL_PRINT(type,valaddr,offset,addr,stream,fmt,deref,recurse,pretty) \
4ef1f467 DT	268	(current_language->la_val_print(type,valaddr,offset,addr,stream,fmt,deref, \
a8a69e63	269	recurse,pretty))
e10cfcaa PB	270	#define LA_VALUE_PRINT(val,stream,fmt,pretty) \
e10cfcaa PB	271	(current_language->la_value_print(val,stream,fmt,pretty))
a8a69e63	272
2e66cf7d FF	273	/* Return a format string for printf that will print a number in one of
	274	the local (language-specific) formats. Result is static and is
	275	overwritten by the next call. Takes printf options like "08" or "l"
	276	(to produce e.g. %08x or %lx). */
	277
	278	#define local_binary_format() \
	279	(current_language->la_binary_format.la_format)
	280	#define local_binary_format_prefix() \
	281	(current_language->la_binary_format.la_format_prefix)
	282	#define local_binary_format_specifier() \
	283	(current_language->la_binary_format.la_format_specifier)
	284	#define local_binary_format_suffix() \
	285	(current_language->la_binary_format.la_format_suffix)
	286
	287	#define local_octal_format() \
	288	(current_language->la_octal_format.la_format)
	289	#define local_octal_format_prefix() \
	290	(current_language->la_octal_format.la_format_prefix)
	291	#define local_octal_format_specifier() \
	292	(current_language->la_octal_format.la_format_specifier)
	293	#define local_octal_format_suffix() \
	294	(current_language->la_octal_format.la_format_suffix)
	295
	296	#define local_decimal_format() \
	297	(current_language->la_decimal_format.la_format)
	298	#define local_decimal_format_prefix() \
	299	(current_language->la_decimal_format.la_format_prefix)
	300	#define local_decimal_format_specifier() \
	301	(current_language->la_decimal_format.la_format_specifier)
	302	#define local_decimal_format_suffix() \
	303	(current_language->la_decimal_format.la_format_suffix)
	304
	305	#define local_hex_format() \
	306	(current_language->la_hex_format.la_format)
	307	#define local_hex_format_prefix() \
	308	(current_language->la_hex_format.la_format_prefix)
	309	#define local_hex_format_specifier() \
	310	(current_language->la_hex_format.la_format_specifier)
	311	#define local_hex_format_suffix() \
	312	(current_language->la_hex_format.la_format_suffix)
	313
a8a69e63	314	#define LA_PRINT_CHAR(ch, stream) \
5d074aa9	315	(current_language->la_printchar(ch, stream))
242c0d81 SG	316	#define LA_PRINT_STRING(stream, string, length, width, force_ellipses) \
	317	(current_language->la_printstr(stream, string, length, width, force_ellipses))
	318	#define LA_EMIT_CHAR(ch, stream, quoter) \
	319	(current_language->la_emitchar(ch, stream, quoter))
5d074aa9	320
5707ea9f FF	321	/* Test a character to decide whether it can be printed in literal form
	322	or needs to be printed in another representation. For example,
	323	in C the literal form of the character with octal value 141 is 'a'
	324	and the "other representation" is '\141'. The "other representation"
	325	is program language dependent. */
	326
7b46dd00 SG	327	#define PRINT_LITERAL_FORM(c) \
	328	((c) >= 0x20 \
	329	&& ((c) < 0x7F \|\| (c) >= 0xA0) \
	330	&& (!sevenbit_strings \|\| (c) < 0x80))
5707ea9f	331
2e66cf7d FF	332	/* Return a format string for printf that will print a number in one of
	333	the local (language-specific) formats. Result is static and is
	334	overwritten by the next call. Takes printf options like "08" or "l"
	335	(to produce e.g. %08x or %lx). */
c8023e66	336
58a66e24 FF	337	extern char *
	338	local_decimal_format_custom PARAMS ((char )); / language.c */
	339
2e66cf7d FF	340	extern char *
	341	local_octal_format_custom PARAMS ((char )); / language.c */
	342
	343	extern char *
	344	local_hex_format_custom PARAMS ((char )); / language.c */
c8023e66	345
2e66cf7d FF	346	/* Return a string that contains a number formatted in one of the local
	347	(language-specific) formats. Result is static and is overwritten by
	348	the next call. Takes printf options like "08" or "l". */
	349
	350	extern char *
5573d7d4	351	local_hex_string PARAMS ((unsigned long)); /* language.c */
2e66cf7d FF	352
2e66cf7d FF	353	extern char *
5573d7d4	354	local_hex_string_custom PARAMS ((unsigned long, char )); / language.c */
c8023e66 JG	355
c8023e66 JG	356	/* Type predicates */
75af490b JG	357
	358	extern int
	359	simple_type PARAMS ((struct type *));
	360
	361	extern int
	362	ordered_type PARAMS ((struct type *));
	363
	364	extern int
	365	same_type PARAMS ((struct type , struct type ));
	366
	367	extern int
	368	integral_type PARAMS ((struct type *));
	369
	370	extern int
	371	numeric_type PARAMS ((struct type *));
	372
	373	extern int
	374	character_type PARAMS ((struct type *));
	375
	376	extern int
	377	boolean_type PARAMS ((struct type *));
	378
	379	extern int
	380	float_type PARAMS ((struct type *));
	381
	382	extern int
	383	pointer_type PARAMS ((struct type *));
	384
	385	extern int
	386	structured_type PARAMS ((struct type *));
c8023e66 JG	387
c8023e66 JG	388	/* Checks Binary and Unary operations for semantic type correctness */
75af490b	389	/* FIXME: Does not appear to be used */
c8023e66 JG	390	#define unop_type_check(v,o) binop_type_check((v),NULL,(o))
c8023e66 JG	391
75af490b JG	392	extern void
	393	binop_type_check PARAMS ((struct value , struct value , int));
	394
c8023e66	395	/* Error messages */
75af490b JG	396
	397	extern void
	398	op_error PARAMS ((char *fmt, enum exp_opcode, int));
	399
c8023e66 JG	400	#define type_op_error(f,o) \
	401	op_error((f),(o),type_check==type_check_on ? 1 : 0)
	402	#define range_op_error(f,o) \
	403	op_error((f),(o),range_check==range_check_on ? 1 : 0)
75af490b JG	404
75af490b JG	405	extern void
e3033bb0 C	406	type_error PARAMS ((char *, ...))
e3033bb0 C	407	ATTR_FORMAT(printf, 1, 2);
75af490b JG	408
75af490b JG	409	void
e3033bb0 C	410	range_error PARAMS ((char *, ...))
e3033bb0 C	411	ATTR_FORMAT(printf, 1, 2);
c8023e66 JG	412
c8023e66 JG	413	/* Data: Does this value represent "truth" to the current language? */
75af490b JG	414
	415	extern int
	416	value_true PARAMS ((struct value *));
c8023e66	417
a366d882 PB	418	extern struct type * lang_bool_type PARAMS ((void));
a366d882 PB	419
ae347187	420	/* The type used for Boolean values in the current language. */
a366d882 PB	421	#define LA_BOOL_TYPE lang_bool_type ()
a366d882 PB	422
c8023e66	423	/* Misc: The string representing a particular enum language. */
75af490b	424
bf229b4e FF	425	extern const struct language_defn *
	426	language_def PARAMS ((enum language));
	427
75af490b JG	428	extern char *
75af490b JG	429	language_str PARAMS ((enum language));
c8023e66 JG	430
c8023e66 JG	431	/* Add a language to the set known by GDB (at initialization time). */
d8ce1326	432
75af490b JG	433	extern void
	434	add_language PARAMS ((const struct language_defn *));
	435
	436	extern enum language
	437	get_frame_language PARAMS ((void)); /* In stack.c */
	438
	439	#endif /* defined (LANGUAGE_H) */