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. */
+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
/* #include "lang_def.h" */
#define _LANG_c
#define _LANG_m2
-/* start-sanitize-chill */
#define _LANG_chill
-/* end-sanitize-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.
/* Structure tying together assorted information about a language. */
-struct language_defn {
- char * la_name; /* Name of the language */
- enum language la_language; /* its symtab language-enum (defs.h) */
- struct type ** const
- *la_builtin_type_vector; /* Its builtin types */
- enum range_check la_range_check; /* Default range checking */
- enum type_check la_type_check; /* Default type checking */
- int (*la_parser) PARAMS((void)); /* Parser function */
- void (*la_error) PARAMS ((char *)); /* Parser error function */
- void (*la_printchar) PARAMS ((int, FILE *));
- void (*la_printstr) PARAMS ((FILE *, char *, unsigned int, int));
- struct type **la_longest_int; /* Longest signed integral type */
- struct type **la_longest_unsigned_int; /* Longest uns integral type */
- struct type **la_longest_float; /* Longest floating point type */
- struct language_format_info
- la_binary_format; /* Base 2 (binary) formats. */
- struct language_format_info
- la_octal_format; /* Base 8 (octal) formats. */
- struct language_format_info
- la_decimal_format; /* Base 10 (decimal) formats */
- struct language_format_info
- la_hex_format; /* Base 16 (hexadecimal) formats */
- const struct op_print
- *la_op_print_tab; /* Table for printing expressions */
-/* Add fields above this point, so the magic number is always last. */
- long la_magic; /* Magic number for compat checking */
+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. */
+ 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;
/* "cast" really means conversion */
/* FIXME -- should be a setting in language_defn */
-#define CAST_IS_CONVERSION (current_language->la_language == language_c)
+#define CAST_IS_CONVERSION (current_language->la_language == language_c || \
+ current_language->la_language == language_cplus)
extern void
language_info PARAMS ((int));
-extern void
+extern enum language
set_language PARAMS ((enum language));
\f
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,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
#define local_hex_format_suffix() \
(current_language->la_hex_format.la_format_suffix)
-#define local_printchar(ch, stream) \
+#define LA_PRINT_CHAR(ch, stream) \
(current_language->la_printchar(ch, stream))
-#define local_printstr(stream, string, length, force_ellipses) \
- (current_language->la_printstr(stream, string, length, force_ellipses))
+#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,
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))
+#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 */
the next call. Takes printf options like "08" or "l". */
extern char *
-local_octal_string PARAMS ((int)); /* language.c */
+local_hex_string PARAMS ((unsigned long)); /* 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 */
+local_hex_string_custom PARAMS ((unsigned long, char *)); /* language.c */
/* Type predicates */
op_error((f),(o),range_check==range_check_on ? 1 : 0)
extern void
-type_error ();
+type_error PARAMS ((char *, ...))
+ ATTR_FORMAT(printf, 1, 2);
void
-range_error ();
+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));