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
void (*la_collect_symbol_completion_matches)
(completion_tracker &tracker,
complete_symbol_mode mode,
+ symbol_name_match_type match_type,
const char *text,
const char *word,
enum type_code code);
gdb::unique_xmalloc_ptr<char> (*la_watch_location_expression)
(struct type *type, CORE_ADDR addr);
- /* 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.
+ /* Return a pointer to the function that should be used to match a
+ symbol name against LOOKUP_NAME, according to this language's
+ rules. The matching algorithm depends on LOOKUP_NAME. For
+ example, on Ada, the matching algorithm depends on the symbol
+ name (wild/full/verbatim matching), and on whether we're doing
+ a normal lookup or a completion match lookup.
- 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);
+ This field may be NULL, in which case
+ default_symbol_name_matcher is used to perform the
+ matching. */
+ symbol_name_matcher_ftype *(*la_get_symbol_name_matcher)
+ (const lookup_name_info &);
/* Find all symbols in the current program space matching NAME in
DOMAIN, according to this language's rules.
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,
+ (const struct block *block, const lookup_name_info &name,
+ domain_enum domain,
gdb::function_view<symbol_found_callback_ftype> callback);
+ /* Hash the given symbol search name. Use
+ default_search_name_hash if no special treatment is
+ required. */
+ unsigned int (*la_search_name_hash) (const char *name);
+
/* Various operations on varobj. */
const struct lang_varobj_ops *la_varobj_ops;
/* Misc: The string representing a particular enum language. */
-extern enum language language_enum (char *str);
+extern enum language language_enum (const char *str);
extern const struct language_defn *language_def (enum language);
void default_get_string (struct value *value, gdb_byte **buffer, int *length,
struct type **char_type, const char **charset);
+/* Default name hashing function. */
+
+/* Produce an unsigned hash value from SEARCH_NAME that is consistent
+ with strcmp_iw, strcmp, and, at least on Ada symbols, wild_match.
+ That is, two identifiers equivalent according to any of those three
+ comparison operators hash to the same value. */
+extern unsigned int default_search_name_hash (const char *search_name);
+
void c_get_string (struct value *value, gdb_byte **buffer, int *length,
struct type **char_type, const char **charset);
+/* The default implementation of la_symbol_name_matcher. Matches with
+ strncmp_iw. */
+extern bool default_symbol_name_matcher
+ (const char *symbol_search_name,
+ const lookup_name_info &lookup_name,
+ completion_match *match);
+
+/* Get LANG's symbol_name_matcher method for LOOKUP_NAME. Returns
+ default_symbol_name_matcher if not set. */
+symbol_name_matcher_ftype *language_get_symbol_name_matcher
+ (const language_defn *lang, const lookup_name_info &lookup_name);
+
/* The languages supported by GDB. */
extern const struct language_defn auto_language_defn;
extern const struct language_defn pascal_language_defn;
extern const struct language_defn rust_language_defn;
+/* Save the current language and restore it upon destruction. */
+
+class scoped_restore_current_language
+{
+public:
+
+ explicit scoped_restore_current_language ()
+ : m_lang (current_language->la_language)
+ {
+ }
+
+ ~scoped_restore_current_language ()
+ {
+ set_language (m_lang);
+ }
+
+ scoped_restore_current_language (const scoped_restore_current_language &)
+ = delete;
+ scoped_restore_current_language &operator=
+ (const scoped_restore_current_language &) = delete;
+
+private:
+
+ enum language m_lang;
+};
+
#endif /* defined (LANGUAGE_H) */