/* Source-language-related definitions for GDB.
- Copyright (C) 1991, 1992, 1993, 1994, 1995, 1998, 1999, 2000, 2003, 2004,
- 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+ Copyright (C) 1991-2014 Free Software Foundation, Inc.
Contributed by the Department of Computer Science at the State University
of New York at Buffalo.
#if !defined (LANGUAGE_H)
#define LANGUAGE_H 1
+#include "symtab.h"
+
/* Forward decls for prototypes. */
struct value;
struct objfile;
struct expression;
struct ui_file;
struct value_print_options;
+struct type_print_options;
+struct lang_varobj_ops;
#define MAX_FORTRAN_DIMS 7 /* Maximum number of F77 array dims. */
}
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;
-
/* case_mode ==
case_mode_auto: case_sensitivity set upon selection of scope.
case_mode_manual: case_sensitivity set only by user. */
struct type *bool_type_default;
};
+/* A pointer to a function expected to return nonzero if
+ SYMBOL_SEARCH_NAME matches the given LOOKUP_NAME.
+
+ SYMBOL_SEARCH_NAME should be a symbol's "search" name.
+ LOOKUP_NAME should be the name of an entity after it has been
+ transformed for lookup. */
+
+typedef int (*symbol_name_cmp_ftype) (const char *symbol_search_name,
+ const char *lookup_name);
+
/* Structure tying together assorted information about a language. */
struct language_defn
{
/* Name of the language. */
- char *la_name;
+ const char *la_name;
+
+ /* Natural or official name of the language. */
+
+ const char *la_natural_name;
/* its symtab language-enum (defs.h). */
enum range_check la_range_check;
- /* Default type checking. */
-
- enum type_check la_type_check;
-
/* Default case sensitivity. */
enum case_sensitivity la_case_sensitivity;
/* Print a type using syntax appropriate for this language. */
void (*la_print_type) (struct type *, const char *, struct ui_file *, int,
- int);
+ int, const struct type_print_options *);
/* Print a typedef using syntax appropriate for this language.
TYPE is the underlying type. NEW_SYMBOL is the symbol naming
OPTIONS are the formatting options to be used when
printing. */
- int (*la_val_print) (struct type *type,
- const gdb_byte *contents,
- int embedded_offset, CORE_ADDR address,
- struct ui_file *stream, int recurse,
- const struct value *val,
- const struct value_print_options *options);
+ void (*la_val_print) (struct type *type,
+ const gdb_byte *contents,
+ int embedded_offset, CORE_ADDR address,
+ struct ui_file *stream, int recurse,
+ const struct value *val,
+ const struct value_print_options *options);
/* Print a top-level value using syntax appropriate for this language. */
- int (*la_value_print) (struct value *, struct ui_file *,
- const struct value_print_options *);
+ void (*la_value_print) (struct value *, struct ui_file *,
+ const struct value_print_options *);
+
+ /* Given a symbol VAR, and a stack frame id FRAME, read the value
+ of the variable an return (pointer to a) struct value containing
+ the value.
+
+ Throw an error if the variable cannot be found. */
+
+ struct value *(*la_read_var_value) (struct symbol *var,
+ struct frame_info *frame);
/* PC is possibly an unknown languages trampoline.
If that PC falls in a trampoline belonging to this language,
/* The list of characters forming word boundaries. */
char *(*la_word_break_characters) (void);
- /* Should return a NULL terminated array of all symbols which
- are possible completions for TEXT. WORD is the entire command
- on which the completion is being made. */
- char **(*la_make_symbol_completion_list) (char *text, char *word);
+ /* Should return a vector of all symbols which are possible
+ completions for TEXT. WORD is the entire command on which the
+ completion is being made. If CODE is TYPE_CODE_UNDEF, then all
+ symbols should be examined; otherwise, only STRUCT_DOMAIN
+ symbols whose type has a code of CODE should be matched. */
+ VEC (char_ptr) *(*la_make_symbol_completion_list) (const char *text,
+ const char *word,
+ enum type_code code);
/* The per-architecture (OS/ABI) language information. */
void (*la_language_arch_info) (struct gdbarch *,
void (*la_get_string) (struct value *value, gdb_byte **buffer, int *length,
struct type **chartype, const char **charset);
- /* Compare two symbol names according to language rules. For
- instance, in C++, we might want to ignore whitespaces in
- the symbol name. Or some case-insensitive language might
- want to ignore casing during the match.
-
- Both STR1 and STR2 are expected to be demangled name, except
- for Ada, where STR1 and STR2 are expected to be encoded names.
- The latter is because searches are performed using the encoded
- name in Ada.
-
- The return value follows the same spirit as strcmp. */
+ /* Return a pointer to the function that should be used to match
+ a symbol name against LOOKUP_NAME. This is mostly for languages
+ such as Ada where the matching algorithm depends on LOOKUP_NAME.
- int (*la_symbol_name_compare) (const char *str1, const char *str2);
+ This field may be NULL, in which case strcmp_iw will be used
+ to perform the matching. */
+ symbol_name_cmp_ftype (*la_get_symbol_name_cmp) (const char *lookup_name);
/* Find all symbols in the current program space matching NAME in
DOMAIN, according to this language's rules.
- The search starts with BLOCK. This function iterates upward
- through blocks. When the outermost block has been finished,
- the function returns.
+ The search is done in BLOCK only.
+ The caller is responsible for iterating up through superblocks
+ if desired.
For each one, call CALLBACK with the symbol and the DATA
argument. If CALLBACK returns zero, the iteration ends at that
point.
- This field can be NULL, meaning that this language doesn't need
- any special code aside from ordinary searches of the symbol
- table. */
+ This field may not be NULL. If the language does not need any
+ special processing here, 'iterate_over_symbols' should be
+ used as the definition. */
void (*la_iterate_over_symbols) (const struct block *block,
const char *name,
domain_enum domain,
- int (*callback) (struct symbol *, void *),
+ symbol_found_callback_ftype *callback,
void *data);
+ /* Various operations on varobj. */
+ const struct lang_varobj_ops *la_varobj_ops;
+
/* Add fields above this point, so the magic number is always last. */
/* Magic number for compat checking. */
/* 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)
the current setting of working_lang, which the user sets
with the "set language" command. */
-#define LA_PRINT_TYPE(type,varstring,stream,show,level) \
- (current_language->la_print_type(type,varstring,stream,show,level))
+#define LA_PRINT_TYPE(type,varstring,stream,show,level,flags) \
+ (current_language->la_print_type(type,varstring,stream,show,level,flags))
#define LA_PRINT_TYPEDEF(type,new_symbol,stream) \
(current_language->la_print_typedef(type,new_symbol,stream))
/* Type predicates */
-extern int simple_type (struct type *);
-
-extern int ordered_type (struct type *);
-
-extern int same_type (struct type *, struct type *);
-
-extern int integral_type (struct type *);
-
-extern int numeric_type (struct type *);
-
-extern int character_type (struct type *);
-
-extern int boolean_type (struct type *);
-
-extern int float_type (struct type *);
-
extern int pointer_type (struct type *);
-extern int structured_type (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))
/* Error messages */
-extern void type_error (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
-
extern void range_error (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
/* Data: Does this value represent "truth" to the current language? */
extern const struct language_defn *language_def (enum language);
-extern char *language_str (enum language);
+extern const char *language_str (enum language);
/* Add a language to the set known by GDB (at initialization time). */
projects / deliverable / binutils-gdb.git / blobdiff