gdb: Convert language la_print_type field to a method

This commit changes the language_data::la_print_type 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_print_type
	initializer.
	(ada_language::print_type): New member function.
	* c-lang.c (c_language_data): Delete la_print_type initializer.
	(c_language::print_type): New member function.
	(cplus_language_data): Delete la_print_type initializer.
	(cplus_language::print_type): New member function.
	(asm_language_data): Delete la_print_type initializer.
	(asm_language::print_type): New member function.
	(minimal_language_data): Delete la_print_type initializer.
	(minimal_language::print_type): New member function.
	* d-lang.c (d_language_data): Delete la_print_type initializer.
	(d_language::print_type): New member function.
	* f-lang.c (f_language_data): Delete la_print_type initializer.
	(f_language::print_type): New member function.
	* go-lang.c (go_language_data): Delete la_print_type initializer.
	(go_language::print_type): New member function.
	* language.c (unk_lang_print_type): Delete.
	(unknown_language_data): Delete la_print_type initializer.
	(unknown_language::print_type): New member function.
	(auto_language_data): Delete la_print_type initializer.
	(auto_language::print_type): New member function.
	* language.h (language_data): Delete la_print_type field.
	(language_defn::print_type): New function.
	(LA_PRINT_TYPE): Update.
	* m2-lang.c (m2_language_data): Delete la_print_type initializer.
	(m2_language::print_type): New member function.
	* objc-lang.c (objc_language_data): Delete la_print_type
	initializer.
	(objc_language::print_type): New member function.
	* opencl-lang.c (opencl_print_type): Delete, implementation moved
	to opencl_language::print_type.
	(opencl_language_data): Delete la_print_type initializer.
	(opencl_language::print_type): New member function, implementation
	from opencl_print_type.
	* p-lang.c (pascal_language_data): Delete la_print_type
	initializer.
	(pascal_language::print_type): New member function.
	* rust-lang.c (rust_print_type): Delete, implementation moved to
	rust_language::print_type.
	(rust_language_data): Delete la_print_type initializer.
	(rust_language::print_type): New member function, implementation
	from rust_print_type.

13 files changed, 200 insertions, 61 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 46ca011..bf690af 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,51 @@
 2020-06-02  Andrew Burgess  <andrew.burgess@embecosm.com>
 
+	* ada-lang.c (ada_language_data): Delete la_print_type
+	initializer.
+	(ada_language::print_type): New member function.
+	* c-lang.c (c_language_data): Delete la_print_type initializer.
+	(c_language::print_type): New member function.
+	(cplus_language_data): Delete la_print_type initializer.
+	(cplus_language::print_type): New member function.
+	(asm_language_data): Delete la_print_type initializer.
+	(asm_language::print_type): New member function.
+	(minimal_language_data): Delete la_print_type initializer.
+	(minimal_language::print_type): New member function.
+	* d-lang.c (d_language_data): Delete la_print_type initializer.
+	(d_language::print_type): New member function.
+	* f-lang.c (f_language_data): Delete la_print_type initializer.
+	(f_language::print_type): New member function.
+	* go-lang.c (go_language_data): Delete la_print_type initializer.
+	(go_language::print_type): New member function.
+	* language.c (unk_lang_print_type): Delete.
+	(unknown_language_data): Delete la_print_type initializer.
+	(unknown_language::print_type): New member function.
+	(auto_language_data): Delete la_print_type initializer.
+	(auto_language::print_type): New member function.
+	* language.h (language_data): Delete la_print_type field.
+	(language_defn::print_type): New function.
+	(LA_PRINT_TYPE): Update.
+	* m2-lang.c (m2_language_data): Delete la_print_type initializer.
+	(m2_language::print_type): New member function.
+	* objc-lang.c (objc_language_data): Delete la_print_type
+	initializer.
+	(objc_language::print_type): New member function.
+	* opencl-lang.c (opencl_print_type): Delete, implementation moved
+	to opencl_language::print_type.
+	(opencl_language_data): Delete la_print_type initializer.
+	(opencl_language::print_type): New member function, implementation
+	from opencl_print_type.
+	* p-lang.c (pascal_language_data): Delete la_print_type
+	initializer.
+	(pascal_language::print_type): New member function.
+	* rust-lang.c (rust_print_type): Delete, implementation moved to
+	rust_language::print_type.
+	(rust_language_data): Delete la_print_type initializer.
+	(rust_language::print_type): New member function, implementation
+	from rust_print_type.
+
+2020-06-02  Andrew Burgess  <andrew.burgess@embecosm.com>
+
 	* ada-lang.c (ada_sniff_from_mangled_name): Delete function,
 	implementation moves to...
 	(ada_language::sniff_from_mangled_name): ...here.  Update return
diff --git a/gdb/ada-lang.c b/gdb/ada-lang.c
index 6bfc025..f84f02f 100644
--- a/gdb/ada-lang.c
+++ b/gdb/ada-lang.c
@@ -13919,7 +13919,6 @@ extern const struct language_data ada_language_data =
   ada_printchar,                /* Print a character constant */
   ada_printstr,                 /* Function to print string constant */
   emit_char,                    /* Function to print single char (not used) */
-  ada_print_type,               /* Print a type using appropriate syntax */
   ada_print_typedef,            /* Print a typedef using appropriate syntax */
   ada_value_print_inner,	/* la_value_print_inner */
   ada_value_print,              /* Print a top-level value */
@@ -14106,6 +14105,15 @@ public:
 
     return false;
   }
+
+  /* See language.h.  */
+
+  void print_type (struct type *type, const char *varstring,
+		   struct ui_file *stream, int show, int level,
+		   const struct type_print_options *flags) const override
+  {
+    ada_print_type (type, varstring, stream, show, level, flags);
+  }
 };
 
 /* Single instance of the Ada language class.  */
diff --git a/gdb/c-lang.c b/gdb/c-lang.c
index a5f7d82..abcdc52 100644
--- a/gdb/c-lang.c
+++ b/gdb/c-lang.c
@@ -905,7 +905,6 @@ extern const struct language_data c_language_data =
   c_printchar,			/* Print a character constant */
   c_printstr,			/* Function to print string constant */
   c_emit_char,			/* Print a single char */
-  c_print_type,			/* Print a type using appropriate syntax */
   c_print_typedef,		/* Print a typedef using appropriate syntax */
   c_value_print_inner,		/* la_value_print_inner */
   c_value_print,		/* Print a top-level value */
@@ -950,6 +949,15 @@ public:
   {
     return c_get_compile_context ();
   }
+
+  /* See language.h.  */
+
+  void print_type (struct type *type, const char *varstring,
+		   struct ui_file *stream, int show, int level,
+		   const struct type_print_options *flags) const override
+  {
+    c_print_type (type, varstring, stream, show, level, flags);
+  }
 };
 
 /* Single instance of the C language class.  */
@@ -1007,7 +1015,6 @@ extern const struct language_data cplus_language_data =
   c_printchar,			/* Print a character constant */
   c_printstr,			/* Function to print string constant */
   c_emit_char,			/* Print a single char */
-  c_print_type,			/* Print a type using appropriate syntax */
   c_print_typedef,		/* Print a typedef using appropriate syntax */
   c_value_print_inner,		/* la_value_print_inner */
   c_value_print,		/* Print a top-level value */
@@ -1136,6 +1143,15 @@ public:
     *demangled = gdb_demangle (mangled, DMGL_PARAMS | DMGL_ANSI);
     return *demangled != NULL;
   }
+
+  /* See language.h.  */
+
+  void print_type (struct type *type, const char *varstring,
+		   struct ui_file *stream, int show, int level,
+		   const struct type_print_options *flags) const override
+  {
+    c_print_type (type, varstring, stream, show, level, flags);
+  }
 };
 
 /* The single instance of the C++ language class.  */
@@ -1165,7 +1181,6 @@ extern const struct language_data asm_language_data =
   c_printchar,			/* Print a character constant */
   c_printstr,			/* Function to print string constant */
   c_emit_char,			/* Print a single char */
-  c_print_type,			/* Print a type using appropriate syntax */
   c_print_typedef,		/* Print a typedef using appropriate syntax */
   c_value_print_inner,		/* la_value_print_inner */
   c_value_print,		/* Print a top-level value */
@@ -1206,6 +1221,15 @@ public:
   {
     c_language_arch_info (gdbarch, lai);
   }
+
+  /* See language.h.  */
+
+  void print_type (struct type *type, const char *varstring,
+		   struct ui_file *stream, int show, int level,
+		   const struct type_print_options *flags) const override
+  {
+    c_print_type (type, varstring, stream, show, level, flags);
+  }
 };
 
 /* The single instance of the ASM language class.  */
@@ -1232,7 +1256,6 @@ extern const struct language_data minimal_language_data =
   c_printchar,			/* Print a character constant */
   c_printstr,			/* Function to print string constant */
   c_emit_char,			/* Print a single char */
-  c_print_type,			/* Print a type using appropriate syntax */
   c_print_typedef,		/* Print a typedef using appropriate syntax */
   c_value_print_inner,		/* la_value_print_inner */
   c_value_print,		/* Print a top-level value */
@@ -1271,6 +1294,15 @@ public:
   {
     c_language_arch_info (gdbarch, lai);
   }
+
+  /* See language.h.  */
+
+  void print_type (struct type *type, const char *varstring,
+		   struct ui_file *stream, int show, int level,
+		   const struct type_print_options *flags) const override
+  {
+    c_print_type (type, varstring, stream, show, level, flags);
+  }
 };
 
 /* The single instance of the minimal language class.  */
diff --git a/gdb/d-lang.c b/gdb/d-lang.c
index 23b9464..815b597 100644
--- a/gdb/d-lang.c
+++ b/gdb/d-lang.c
@@ -147,7 +147,6 @@ extern const struct language_data d_language_data =
   c_printchar,			/* Print a character constant.  */
   c_printstr,			/* Function to print string constant.  */
   c_emit_char,			/* Print a single char.  */
-  c_print_type,			/* Print a type using appropriate syntax.  */
   c_print_typedef,		/* Print a typedef using appropriate
 				   syntax.  */
   d_value_print_inner,		/* la_value_print_inner */
@@ -252,6 +251,15 @@ public:
     *demangled = d_demangle (mangled, 0);
     return *demangled != NULL;
   }
+
+  /* See language.h.  */
+
+  void print_type (struct type *type, const char *varstring,
+		   struct ui_file *stream, int show, int level,
+		   const struct type_print_options *flags) const override
+  {
+    c_print_type (type, varstring, stream, show, level, flags);
+  }
 };
 
 /* Single instance of the D language class.  */
diff --git a/gdb/f-lang.c b/gdb/f-lang.c
index 804b282..1b0fec6 100644
--- a/gdb/f-lang.c
+++ b/gdb/f-lang.c
@@ -608,7 +608,6 @@ extern const struct language_data f_language_data =
   f_printchar,			/* Print character constant */
   f_printstr,			/* function to print string constant */
   f_emit_char,			/* Function to print a single character */
-  f_print_type,			/* Print a type using appropriate syntax */
   f_print_typedef,		/* Print a typedef using appropriate syntax */
   f_value_print_innner,		/* la_value_print_inner */
   c_value_print,		/* FIXME */
@@ -690,6 +689,15 @@ public:
   {
     return cp_search_name_hash (name);
   }
+
+  /* See language.h.  */
+
+  void print_type (struct type *type, const char *varstring,
+		   struct ui_file *stream, int show, int level,
+		   const struct type_print_options *flags) const override
+  {
+    f_print_type (type, varstring, stream, show, level, flags);
+  }
 };
 
 /* Single instance of the Fortran language class.  */
diff --git a/gdb/go-lang.c b/gdb/go-lang.c
index dce7e6a..1ec5347 100644
--- a/gdb/go-lang.c
+++ b/gdb/go-lang.c
@@ -532,7 +532,6 @@ extern const struct language_data go_language_data =
   c_printchar,			/* Print a character constant.  */
   c_printstr,			/* Function to print string constant.  */
   c_emit_char,			/* Print a single char.  */
-  go_print_type,		/* Print a type using appropriate syntax.  */
   c_print_typedef,		/* Print a typedef using appropriate
 				   syntax.  */
   go_value_print_inner,		/* la_value_print_inner */
@@ -626,6 +625,15 @@ public:
     *demangled = go_demangle (mangled, 0);
     return *demangled != NULL;
   }
+
+  /* See language.h.  */
+
+  void print_type (struct type *type, const char *varstring,
+		   struct ui_file *stream, int show, int level,
+		   const struct type_print_options *flags) const override
+  {
+    go_print_type (type, varstring, stream, show, level, flags);
+  }
 };
 
 /* Single instance of the Go language class.  */
diff --git a/gdb/language.c b/gdb/language.c
index 2a66f1f..c8f0349 100644
--- a/gdb/language.c
+++ b/gdb/language.c
@@ -728,15 +728,6 @@ unk_lang_printstr (struct ui_file *stream, struct type *type,
 }
 
 static void
-unk_lang_print_type (struct type *type, const char *varstring,
-		     struct ui_file *stream, int show, int level,
-		     const struct type_print_options *flags)
-{
-  error (_("internal error - unimplemented "
-	   "function unk_lang_print_type called."));
-}
-
-static void
 unk_lang_value_print_inner (struct value *val,
 			    struct ui_file *stream, int recurse,
 			    const struct value_print_options *options)
@@ -802,7 +793,6 @@ extern const struct language_data unknown_language_data =
   unk_lang_printchar,		/* Print character constant */
   unk_lang_printstr,
   unk_lang_emit_char,
-  unk_lang_print_type,		/* Print a type using appropriate syntax */
   default_print_typedef,	/* Print a typedef using appropriate syntax */
   unk_lang_value_print_inner,	/* la_value_print_inner */
   unk_lang_value_print,		/* Print a top-level value */
@@ -841,6 +831,15 @@ public:
   {
     unknown_language_arch_info (gdbarch, lai);
   }
+
+  /* See language.h.  */
+
+  void print_type (struct type *type, const char *varstring,
+		   struct ui_file *stream, int show, int level,
+		   const struct type_print_options *flags) const override
+  {
+    error (_("unimplemented unknown_language::print_type called"));
+  }
 };
 
 /* Single instance of the unknown language class.  */
@@ -865,7 +864,6 @@ extern const struct language_data auto_language_data =
   unk_lang_printchar,		/* Print character constant */
   unk_lang_printstr,
   unk_lang_emit_char,
-  unk_lang_print_type,		/* Print a type using appropriate syntax */
   default_print_typedef,	/* Print a typedef using appropriate syntax */
   unk_lang_value_print_inner,	/* la_value_print_inner */
   unk_lang_value_print,		/* Print a top-level value */
@@ -904,6 +902,15 @@ public:
   {
     unknown_language_arch_info (gdbarch, lai);
   }
+
+  /* See language.h.  */
+
+  void print_type (struct type *type, const char *varstring,
+		   struct ui_file *stream, int show, int level,
+		   const struct type_print_options *flags) const override
+  {
+    error (_("unimplemented auto_language::print_type called"));
+  }
 };
 
 /* Single instance of the fake "auto" language.  */
diff --git a/gdb/language.h b/gdb/language.h
index d5013bf..8defe95 100644
--- a/gdb/language.h
+++ b/gdb/language.h
@@ -248,11 +248,6 @@ struct language_data
     void (*la_emitchar) (int ch, struct type *chtype,
 			 struct ui_file * stream, int quoter);
 
-    /* Print a type using syntax appropriate for this language.  */
-
-    void (*la_print_type) (struct type *, const char *, struct ui_file *, int,
-			   int, const struct type_print_options *);
-
     /* 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.  */
@@ -517,6 +512,11 @@ struct language_defn : language_data
     return false;
   }
 
+  /* Print a type using syntax appropriate for this language.  */
+
+  virtual void print_type (struct type *, const char *, struct ui_file *, int,
+			   int, const struct type_print_options *) const = 0;
+
   /* List of all known languages.  */
   static const struct language_defn *languages[nr_languages];
 };
@@ -605,7 +605,7 @@ extern enum language set_language (enum language);
    with the "set language" command.  */
 
 #define LA_PRINT_TYPE(type,varstring,stream,show,level,flags)		\
-  (current_language->la_print_type(type,varstring,stream,show,level,flags))
+  (current_language->print_type(type,varstring,stream,show,level,flags))
 
 #define LA_PRINT_TYPEDEF(type,new_symbol,stream) \
   (current_language->la_print_typedef(type,new_symbol,stream))
diff --git a/gdb/m2-lang.c b/gdb/m2-lang.c
index fbfdcff..098a2aa 100644
--- a/gdb/m2-lang.c
+++ b/gdb/m2-lang.c
@@ -367,7 +367,6 @@ extern const struct language_data m2_language_data =
   m2_printchar,			/* Print character constant */
   m2_printstr,			/* function to print string constant */
   m2_emit_char,			/* Function to print a single character */
-  m2_print_type,		/* Print a type using appropriate syntax */
   m2_print_typedef,		/* Print a typedef using appropriate syntax */
   m2_value_print_inner,		/* la_value_print_inner */
   c_value_print,		/* Print a top-level value */
@@ -425,6 +424,15 @@ public:
     lai->bool_type_symbol = "BOOLEAN";
     lai->bool_type_default = builtin->builtin_bool;
   }
+
+  /* See language.h.  */
+
+  void print_type (struct type *type, const char *varstring,
+		   struct ui_file *stream, int show, int level,
+		   const struct type_print_options *flags) const override
+  {
+    m2_print_type (type, varstring, stream, show, level, flags);
+  }
 };
 
 /* Single instance of the M2 language.  */
diff --git a/gdb/objc-lang.c b/gdb/objc-lang.c
index 3082a5d..0566ce8 100644
--- a/gdb/objc-lang.c
+++ b/gdb/objc-lang.c
@@ -373,7 +373,6 @@ extern const struct language_data objc_language_data =
   c_printchar,		       /* Print a character constant */
   c_printstr,		       /* Function to print string constant */
   c_emit_char,
-  c_print_type,			/* Print a type using appropriate syntax */
   c_print_typedef,		/* Print a typedef using appropriate syntax */
   c_value_print_inner,		/* la_value_print_inner */
   c_value_print,		/* Print a top-level value */
@@ -420,6 +419,15 @@ public:
     *demangled = objc_demangle (mangled, 0);
     return *demangled != NULL;
   }
+
+  /* See language.h.  */
+
+  void print_type (struct type *type, const char *varstring,
+		   struct ui_file *stream, int show, int level,
+		   const struct type_print_options *flags) const override
+  {
+    c_print_type (type, varstring, stream, show, level, flags);
+  }
 };
 
 /* Single instance of the class representing the Objective-C language.  */
diff --git a/gdb/opencl-lang.c b/gdb/opencl-lang.c
index 4080c51..d1ca29d 100644
--- a/gdb/opencl-lang.c
+++ b/gdb/opencl-lang.c
@@ -994,27 +994,6 @@ Cannot perform conditional operation on vectors with different sizes"));
   return evaluate_subexp_c (expect_type, exp, pos, noside);
 }
 
-/* Print OpenCL types.  */
-
-static void
-opencl_print_type (struct type *type, const char *varstring,
-		   struct ui_file *stream, int show, int level,
-		   const struct type_print_options *flags)
-{
-  /* We nearly always defer to C type printing, except that vector
-     types are considered primitive in OpenCL, and should always
-     be printed using their TYPE_NAME.  */
-  if (show > 0)
-    {
-      type = check_typedef (type);
-      if (type->code () == TYPE_CODE_ARRAY && TYPE_VECTOR (type)
-	  && type->name () != NULL)
-	show = 0;
-    }
-
-  c_print_type (type, varstring, stream, show, level, flags); 
-}
-
 const struct exp_descriptor exp_descriptor_opencl =
 {
   print_subexp_standard,
@@ -1042,7 +1021,6 @@ extern const struct language_data opencl_language_data =
   c_printchar,			/* Print a character constant */
   c_printstr,			/* Function to print string constant */
   c_emit_char,			/* Print a single char */
-  opencl_print_type,		/* Print a type using appropriate syntax */
   c_print_typedef,		/* Print a typedef using appropriate syntax */
   c_value_print_inner,		/* la_value_print_inner */
   c_value_print,		/* Print a top-level value */
@@ -1091,6 +1069,26 @@ public:
     lai->bool_type_symbol = "int";
     lai->bool_type_default = types [opencl_primitive_type_int];
   }
+
+  /* See language.h.  */
+
+  void print_type (struct type *type, const char *varstring,
+		   struct ui_file *stream, int show, int level,
+		   const struct type_print_options *flags) const override
+  {
+    /* We nearly always defer to C type printing, except that vector types
+       are considered primitive in OpenCL, and should always be printed
+       using their TYPE_NAME.  */
+    if (show > 0)
+      {
+	type = check_typedef (type);
+	if (type->code () == TYPE_CODE_ARRAY && TYPE_VECTOR (type)
+	    && type->name () != NULL)
+	  show = 0;
+      }
+
+    c_print_type (type, varstring, stream, show, level, flags);
+  }
 };
 
 /* Single instance of the OpenCL language class.  */
diff --git a/gdb/p-lang.c b/gdb/p-lang.c
index 8d96dd1..9aa03de 100644
--- a/gdb/p-lang.c
+++ b/gdb/p-lang.c
@@ -398,7 +398,6 @@ extern const struct language_data pascal_language_data =
   pascal_printchar,		/* Print a character constant */
   pascal_printstr,		/* Function to print string constant */
   pascal_emit_char,		/* Print a single char */
-  pascal_print_type,		/* Print a type using appropriate syntax */
   pascal_print_typedef,		/* Print a typedef using appropriate syntax */
   pascal_value_print_inner,	/* la_value_print_inner */
   pascal_value_print,		/* Print a top-level value */
@@ -478,6 +477,15 @@ public:
     lai->bool_type_symbol = "boolean";
     lai->bool_type_default = builtin->builtin_bool;
   }
+
+  /* See language.h.  */
+
+  void print_type (struct type *type, const char *varstring,
+		   struct ui_file *stream, int show, int level,
+		   const struct type_print_options *flags) const override
+  {
+    pascal_print_type (type, varstring, stream, show, level, flags);
+  }
 };
 
 /* Single instance of the Pascal language class.  */
diff --git a/gdb/rust-lang.c b/gdb/rust-lang.c
index d75f34d..f78686a 100644
--- a/gdb/rust-lang.c
+++ b/gdb/rust-lang.c
@@ -951,16 +951,6 @@ rust_internal_print_type (struct type *type, const char *varstring,
     }
 }
 
-static void
-rust_print_type (struct type *type, const char *varstring,
-		 struct ui_file *stream, int show, int level,
-		 const struct type_print_options *flags)
-{
-  print_offset_data podata;
-  rust_internal_print_type (type, varstring, stream, show, level,
-			    flags, false, &podata);
-}
-
 
 
 /* Like arch_composite_type, but uses TYPE to decide how to allocate
@@ -2063,7 +2053,6 @@ extern const struct language_data rust_language_data =
   rust_printchar,		/* Print a character constant */
   rust_printstr,		/* Function to print string constant */
   rust_emitchar,		/* Print a single char */
-  rust_print_type,		/* Print a type using appropriate syntax */
   rust_print_typedef,		/* Print a typedef using appropriate syntax */
   rust_value_print_inner,	/* la_value_print_inner */
   c_value_print,		/* Print a top-level value */
@@ -2144,6 +2133,17 @@ public:
     *demangled = gdb_demangle (mangled, DMGL_PARAMS | DMGL_ANSI);
     return *demangled != NULL;
   }
+
+  /* See language.h.  */
+
+  void print_type (struct type *type, const char *varstring,
+		   struct ui_file *stream, int show, int level,
+		   const struct type_print_options *flags) const override
+  {
+    print_offset_data podata;
+    rust_internal_print_type (type, varstring, stream, show, level,
+			      flags, false, &podata);
+  }
 };
 
 /* Single instance of the Rust language class.  */