gdb: Convert language la_collect_symbol_completion_matches field to a method

This commit changes the
language_data::la_collect_symbol_completion_matches function pointer
member variable into a member function of language_defn.

There should be no user visible changes after this commit.

gdb/ChangeLog:

	* ada-lang.c (ada_collect_symbol_completion_matches): Rename to
	ada_language::collect_symbol_completion_matches.
	(ada_language_data): Delete la_collect_symbol_completion_matches
	initializer.
	(ada_language::collect_symbol_completion_matches): New member
	function, implementation from
	ada_collect_symbol_completion_matches.
	* c-lang.c (c_language_data): Delete
	la_collect_symbol_completion_matches initializer.
	(cplus_language_data): Likewise.
	(asm_language_data): Likewise.
	(minimal_language_data): Likewise.
	* d-lang.c (d_language_data): Likewise.
	* f-lang.c (f_collect_symbol_completion_matches): Rename to
	f_language::collect_symbol_completion_matches.
	(f_language_data): Delete la_collect_symbol_completion_matches
	initializer.
	(f_language::collect_symbol_completion_matches) New member
	function, implementation from f_collect_symbol_completion_matches.
	* go-lang.c (go_language_data): Delete
	la_collect_symbol_completion_matches initializer.
	* language.c (unknown_language_data): Likewise.
	(auto_language_data): Likewise.
	* language.h (language_data): Delete
	la_collect_symbol_completion_matches field.
	(language_defn::collect_symbol_completion_matches): New member
	function.
	* m2-lang.c (m2_language_data): Delete
	la_collect_symbol_completion_matches initializer.
	* objc-lang.c (objc_language_data): Likewise.
	* opencl-lang.c (opencl_language_data): Likewise.
	* p-lang.c (pascal_language_data): Likewise.
	* rust-lang.c (rust_language_data): Likewise.
	* symtab.c (default_collect_symbol_completion_matches): Delete.
	(collect_symbol_completion_matches): Update call to
	collect_symbol_completion_matches.
	(collect_symbol_completion_matches_type): Likewise.
	* symtab.h (default_collect_symbol_completion_matches): Delete
	declaration.

1 files changed, 18 insertions, 13 deletions

diff --git a/gdb/language.h b/gdb/language.h
index 8c6f7e3..5872db3 100644
--- a/gdb/language.h
+++ b/gdb/language.h
@@ -319,19 +319,6 @@ struct language_data
     /* Index to use for extracting the first element of a string.  */
     char string_lower_bound;
 
-    /* Add to the completion tracker 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.  */
-    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);
-
     /* Return an expression that can be used for a location
        watchpoint.  TYPE is a pointer type that points to the memory
        to watch, and ADDR is the address of the watched memory.  */
@@ -535,6 +522,24 @@ struct language_defn : language_data
     return default_word_break_characters ();
   }
 
+  /* Add to the completion tracker 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.  */
+
+  virtual void collect_symbol_completion_matches
+	(completion_tracker &tracker,
+	 complete_symbol_mode mode,
+	 symbol_name_match_type name_match_type,
+	 const char *text,
+	 const char *word,
+	 enum type_code code) const
+  {
+    return default_collect_symbol_completion_matches_break_on
+      (tracker, mode, name_match_type, text, word, "", code);
+  }
+
   /* List of all known languages.  */
   static const struct language_defn *languages[nr_languages];