gdb: Convert language la_emitchar field to a method

This commit changes the language_data::la_emitchar 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 (emit_char): Renamed to ada_language::emitchar.
	(ada_language_data): Delete la_emitchar initializer.
	(ada_language::emitchar): New member function, implementation from
	emit_char.
	* c-lang.c (c_language_data): Delete la_emitchar initializer.
	(cplus_language_data): Likewise.
	(asm_language_data): Likewise.
	(minimal_language_data): Likewise.
	* d-lang.c (d_language_data): Likewise.
	* f-lang.c (f_emit_char): Rename to f_language::emitchar.
	(f_language_data): Delete la_emitchar initializer.
	(f_language::emitchar): New member function, implementation from
	f_emit_char.
	* go-lang.c (go_language_data): Delete la_emitchar initializer.
	* language.c (unk_lang_emit_char): Delete.
	(language_defn::emitchar): New member function definition.
	(unknown_language_data): Delete la_emitchar initializer.
	(unknown_language::emitchar): New member function.
	(auto_language_data): Delete la_emitchar initializer.
	(auto_language::emitchar): New member function.
	* language.h (language_data): Delete la_emitchar field.
	(language_defn::emitchar): New member field declaration.
	(LA_EMIT_CHAR): Update call to emitchar.
	* m2-lang.c (m2_emit_char): Rename to m2_language::emitchar.
	(m2_language_data): Delete la_emitchar initializer.
	(m2_language::emitchar): New member function, implementation from
	m2_emit_char.
	* objc-lang.c (objc_language_data): Delete la_emitchar
	initializer.
	* opencl-lang.c (opencl_language_data): Likewise.
	* p-lang.c (pascal_emit_char): Rename to pascal_language::emitchar.
	(pascal_language_data): Delete la_emitchar initializer.
	(pascal_language::emitchar): New member function, implementation
	from pascal_emit_char.
	* rust-lang.c (rust_emitchar): Rename to rust_language::emitchar.
	(rust_language_data): Delete la_emitchar initializer.
	(rust_language::emitchar): New member function, implementation
	from rust_emitchar.

1 files changed, 7 insertions, 4 deletions

diff --git a/gdb/language.h b/gdb/language.h
index d5b106d..612afb3 100644
--- a/gdb/language.h
+++ b/gdb/language.h
@@ -233,9 +233,6 @@ struct language_data
 			 const char *encoding, int force_ellipses,
 			 const struct value_print_options *);
 
-    void (*la_emitchar) (int ch, struct type *chtype,
-			 struct ui_file * stream, int quoter);
-
     /* Print a typedef using syntax appropriate for this language.
        TYPE is the underlying type.  NEW_SYMBOL is the symbol naming
        the type.  STREAM is the output stream on which to print.  */
@@ -544,6 +541,12 @@ struct language_defn : language_data
     /* By default the post-parser does nothing.  */
   }
 
+  /* Print the character CH (of type CHTYPE) on STREAM as part of the
+     contents of a literal string whose delimiter is QUOTER.  */
+
+  virtual void emitchar (int ch, struct type *chtype,
+			 struct ui_file *stream, int quoter) const;
+
 protected:
 
   /* This is the overridable part of the GET_SYMBOL_NAME_MATCHER method.
@@ -651,7 +654,7 @@ extern enum language set_language (enum language);
   (current_language->la_printstr(stream, elttype, string, length, \
 				 encoding, force_ellipses,options))
 #define LA_EMIT_CHAR(ch, type, stream, quoter) \
-  (current_language->la_emitchar(ch, type, stream, quoter))
+  (current_language->emitchar (ch, type, stream, quoter))
 
 #define LA_PRINT_ARRAY_INDEX(index_type, index_value, stream, options)	\
   (current_language->print_array_index(index_type, index_value, stream, \