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, 7 insertions, 11 deletions

diff --git a/gdb/p-lang.c b/gdb/p-lang.c
index 9fd8231..07afbdd 100644
--- a/gdb/p-lang.c
+++ b/gdb/p-lang.c
@@ -152,16 +152,6 @@ is_pascal_string_type (struct type *type,int *length_pos,
   return 0;
 }
 
-/* This is a wrapper around IS_PASCAL_STRING_TYPE that returns true if TYPE
-   is a string.  */
-
-static bool
-pascal_is_string_type_p (struct type *type)
-{
-  return is_pascal_string_type (type, nullptr, nullptr, nullptr,
-				nullptr, nullptr) > 0;
-}
-
 static void pascal_one_char (int, struct ui_file *, int *);
 
 /* Print the character C on STREAM as part of the contents of a literal
@@ -282,7 +272,6 @@ extern const struct language_data pascal_language_data =
   1,				/* c-style arrays */
   0,				/* String lower bound */
   &default_varobj_ops,
-  pascal_is_string_type_p,
   "{...}"			/* la_struct_too_deep_ellipsis */
 };
 
@@ -502,6 +491,13 @@ public:
     pascal_print_typedef (type, new_symbol, stream);
   }
 
+  /* See language.h.  */
+
+  bool is_string_type_p (struct type *type) const override
+  {
+    return is_pascal_string_type (type, nullptr, nullptr, nullptr,
+				  nullptr, nullptr) > 0;
+  }
 };
 
 /* Single instance of the Pascal language class.  */