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, 25 insertions, 15 deletions

diff --git a/gdb/language.c b/gdb/language.c
index 72fa1e4..6778646b 100644
--- a/gdb/language.c
+++ b/gdb/language.c
@@ -49,9 +49,6 @@
 
 static void set_range_case (void);
 
-static void unk_lang_emit_char (int c, struct type *type,
-				struct ui_file *stream, int quoter);
-
 static void unk_lang_printchar (int c, struct type *type,
 				struct ui_file *stream);
 
@@ -657,6 +654,15 @@ language_defn::value_print_inner
   return c_value_print_inner (val, stream, recurse, options);
 }
 
+/* See language.h.  */
+
+void
+language_defn::emitchar (int ch, struct type *chtype,
+			 struct ui_file * stream, int quoter) const
+{
+  c_emit_char (ch, chtype, stream, quoter);
+}
+
 /* The default implementation of the get_symbol_name_matcher_inner method
    from the language_defn class.  Matches with strncmp_iw.  */
 
@@ -722,16 +728,6 @@ default_is_string_type_p (struct type *type)
   return (type->code ()  == TYPE_CODE_STRING);
 }
 
-/* Define the language that is no language.  */
-
-static void
-unk_lang_emit_char (int c, struct type *type, struct ui_file *stream,
-		    int quoter)
-{
-  error (_("internal error - unimplemented "
-	   "function unk_lang_emit_char called."));
-}
-
 static void
 unk_lang_printchar (int c, struct type *type, struct ui_file *stream)
 {
@@ -779,7 +775,6 @@ extern const struct language_data unknown_language_data =
   &exp_descriptor_standard,
   unk_lang_printchar,		/* Print character constant */
   unk_lang_printstr,
-  unk_lang_emit_char,
   default_print_typedef,	/* Print a typedef using appropriate syntax */
   "this",        	    	/* name_of_this */
   true,				/* store_sym_names_in_linkage_form_p */
@@ -848,6 +843,14 @@ public:
     /* No parsing is done, just claim success.  */
     return 1;
   }
+
+  /* See language.h.  */
+
+  void emitchar (int ch, struct type *chtype,
+		 struct ui_file *stream, int quoter) const override
+  {
+    error (_("unimplemented unknown_language::emitchar called"));
+  }
 };
 
 /* Single instance of the unknown language class.  */
@@ -869,7 +872,6 @@ extern const struct language_data auto_language_data =
   &exp_descriptor_standard,
   unk_lang_printchar,		/* Print character constant */
   unk_lang_printstr,
-  unk_lang_emit_char,
   default_print_typedef,	/* Print a typedef using appropriate syntax */
   "this",		        /* name_of_this */
   false,			/* store_sym_names_in_linkage_form_p */
@@ -938,6 +940,14 @@ public:
     /* No parsing is done, just claim success.  */
     return 1;
   }
+
+  /* See language.h.  */
+
+  void emitchar (int ch, struct type *chtype,
+		 struct ui_file *stream, int quoter) const override
+  {
+    error (_("unimplemented auto_language::emitchar called"));
+  }
 };
 
 /* Single instance of the fake "auto" language.  */