gdb: Convert language la_lookup_symbol_nonlocal field to a method

This commit changes the language_data::la_lookup_symbol_nonlocal
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_lookup_symbol_nonlocal): Rename to
	ada_language::lookup_symbol_nonlocal.
	(ada_language_data): Delete la_lookup_symbol_nonlocal initializer.
	(ada_language::lookup_symbol_nonlocal): New member function,
	implementation from ada_lookup_symbol_nonlocal.
	* c-lang.c (c_language_data): Delete la_lookup_symbol_nonlocal
	initializer.
	(cplus_language_data): Delete la_lookup_symbol_nonlocal
	initializer.
	(cplus_language::lookup_symbol_nonlocal): New member function.
	(asm_language_data): Delete la_lookup_symbol_nonlocal initializer.
	(minimal_language_data) Likewise.
	* cp-namespace.c (cp_lookup_nested_symbol): Update comment.
	* d-lang.c (d_language_data): Delete la_lookup_symbol_nonlocal
	initializer.
	(d_language::lookup_symbol_nonlocal): New member function.
	* f-lang.c (f_language_data): Delete la_lookup_symbol_nonlocal
	initializer.
	(f_language::lookup_symbol_nonlocal): New member function.
	* go-lang.c (go_language_data): Delete la_lookup_symbol_nonlocal
	initializer.
	* language.c (unknown_language_data): Likewise.
	(auto_language_data): Likewise.
	* language.h (language_data): Delete la_lookup_symbol_nonlocal
	field.
	(language_defn::lookup_symbol_nonlocal): New member function.
	* m2-lang.c (m2_language_data): Delete la_lookup_symbol_nonlocal
	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_lookup_symbol_nonlocal): Rename to
	rust_language::lookup_symbol_nonlocal.
	(rust_language_data): Delete la_lookup_symbol_nonlocal
	initializer.
	(rust_language::lookup_symbol_nonlocal): New member function,
	implementation from rust_lookup_symbol_nonlocal.
	* symtab.c (lookup_symbol_aux): Update call to
	lookup_symbol_nonlocal.
	(basic_lookup_symbol_nonlocal): Rename to...
	(language_defn::lookup_symbol_nonlocal): ...this, and update
	header comment.  Remove language_defn parameter, and replace with
	uses of `this'.
	* symtab.h (basic_lookup_symbol_nonlocal): Delete declaration.

1 files changed, 9 insertions, 10 deletions

diff --git a/gdb/language.h b/gdb/language.h
index 06978d7..2149487 100644
--- a/gdb/language.h
+++ b/gdb/language.h
@@ -285,16 +285,6 @@ struct language_data
 
     const bool la_store_sym_names_in_linkage_form_p;
 
-    /* This is a function that lookup_symbol will call when it gets to
-       the part of symbol lookup where C looks up static and global
-       variables.  */
-
-    struct block_symbol (*la_lookup_symbol_nonlocal)
-      (const struct language_defn *,
-       const char *,
-       const struct block *,
-       const domain_enum);
-
     /* Table for printing expressions.  */
 
     const struct op_print *la_op_print_tab;
@@ -522,6 +512,15 @@ struct language_defn : language_data
       (tracker, mode, name_match_type, text, word, "", code);
   }
 
+  /* This is a function that lookup_symbol will call when it gets to
+     the part of symbol lookup where C looks up static and global
+     variables.  This default implements the basic C lookup rules.  */
+
+  virtual struct block_symbol lookup_symbol_nonlocal
+	(const char *name,
+	 const struct block *block,
+	 const domain_enum domain) const;
+
   /* 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.  */