gdb: Convert language la_is_string_type_p field to a method

This commit changes the language_data::la_is_string_type_p 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_language_data): Delete la_is_string_type_p
	initializer.
	(ada_language::is_string_type_p): New member function.
	* c-lang.c (c_language_data): Delete la_is_string_type_p
	initializer.
	(cplus_language_data): Likewise.
	(asm_language_data): Likewise.
	(minimal_language_data): Likewise.
	* d-lang.c (d_language_data): Likewise.
	* f-lang.c (f_is_string_type_p): Delete function, implementation
	moved to f_language::is_string_type_p.
	(f_language_data): Delete la_is_string_type_p initializer.
	(f_language::is_string_type_p): New member function,
	implementation from f_is_string_type_p.
	* go-lang.c (go_is_string_type_p): Delete function, implementation
	moved to go_language::is_string_type_p.
	(go_language_data): Delete la_is_string_type_p initializer.
	(go_language::is_string_type_p): New member function,
	implementation from go_is_string_type_p.
	* language.c (language_defn::is_string_type_p): Define new member
	function.
	(default_is_string_type_p): Make static, add comment copied from
	header file.
	(unknown_language_data): Delete la_is_string_type_p initializer.
	(unknown_language::is_string_type_p): New member function.
	(auto_language_data): Delete la_is_string_type_p initializer.
	(auto_language::is_string_type_p): New member function.
	* language.h (language_data): Delete la_is_string_type_p field.
	(language_defn::is_string_type_p): Declare new function.
	(default_is_string_type_p): Delete desclaration, move comment to
	definition.
	* m2-lang.c (m2_is_string_type_p): Delete function, implementation
	moved to m2_language::is_string_type_p.
	(m2_language_data): Delete la_is_string_type_p initializer.
	(m2_language::is_string_type_p): New member function,
	implementation from m2_is_string_type_p.
	* objc-lang.c (objc_language_data): Delete la_is_string_type_p
	initializer.
	* opencl-lang.c (opencl_language_data): Likewise.
	* p-lang.c (pascal_is_string_type_p): Delete function,
	implementation moved to pascal_language::is_string_type_p.
	(pascal_language_data): Delete la_is_string_type_p initializer.
	(pascal_language::is_string_type_p): New member function,
	implementation from pascal_is_string_type_p.
	* rust-lang.c (rust_is_string_type_p): Delete function,
	implementation moved to rust_language::is_string_type_p.
	(rust_language_data): Delete la_is_string_type_p initializer.
	(rust_language::is_string_type_p): New member function,
	implementation from rust_is_string_type_p.
	* valprint.c (val_print_scalar_or_string_type_p): Update call to
	is_string_type_p.

1 files changed, 3 insertions, 7 deletions

diff --git a/gdb/language.h b/gdb/language.h
index 19cd8205718..d2e5b733077 100644
--- a/gdb/language.h
+++ b/gdb/language.h
@@ -267,9 +267,6 @@ struct language_data
     /* Various operations on varobj.  */
     const struct lang_varobj_ops *la_varobj_ops;
 
-    /* Return true if TYPE is a string type.  */
-    bool (*la_is_string_type_p) (struct type *type);
-
     /* This string is used by the 'set print max-depth' setting.  When GDB
        replaces a struct or union (during value printing) that is "too
        deep" this string is displayed instead.  */
@@ -553,6 +550,9 @@ struct language_defn : language_data
   virtual void print_typedef (struct type *type, struct symbol *new_symbol,
 			      struct ui_file *stream) const;
 
+  /* Return true if TYPE is a string type.  */
+  virtual bool is_string_type_p (struct type *type) const;
+
 protected:
 
   /* This is the overridable part of the GET_SYMBOL_NAME_MATCHER method.
@@ -684,10 +684,6 @@ extern enum language set_language (enum language);
 
 extern int pointer_type (struct type *);
 
-/* Return true if TYPE is a string type, otherwise return false.  This
-   default implementation only detects TYPE_CODE_STRING.  */
-extern bool default_is_string_type_p (struct type *type);
-
 /* Error messages */
 
 extern void range_error (const char *, ...) ATTRIBUTE_PRINTF (1, 2);