gdb: Convert language la_printstr field to a method

This commit changes the language_data::la_printstr 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_printstr initializer.
	(ada_language::printstr): New member function.
	* c-lang.c (c_language_data): Delete la_printstr initializer.
	(cplus_language_data): Likewise.
	(asm_language_data): Likewise.
	(minimal_language_data): Likewise.
	* d-lang.c (d_language_data): Likewise.
	* f-lang.c (f_printstr): Rename to f_language::printstr.
	(f_language_data): Delete la_printstr initializer.
	(f_language::printstr): New member function, implementation from
	f_printstr.
	* go-lang.c (go_language_data): Delete la_printstr initializer.
	* language.c (language_defn::printstr): Define new member
	function.
	(unk_lang_printstr): Delete.
	(unknown_language_data): Delete la_printstr initializer.
	(unknown_language::printstr): New member function.
	(auto_language_data): Delete la_printstr initializer.
	(auto_language::printstr): New member function.
	* language.h (language_data): Delete la_printstr field.
	(language_defn::printstr): Declare new member function.
	(LA_PRINT_STRING): Update call to printstr.
	* m2-lang.c (m2_printstr): Rename to m2_language::printstr.
	(m2_language_data): Delete la_printstr initializer.
	(m2_language::printstr): New member function, implementation from
	m2_printstr.
	* objc-lang.c (objc_language_data): Delete la_printstr
	initializer.
	* opencl-lang.c (opencl_language_data): Likewise.
	* p-lang.c (pascal_printstr): Rename to pascal_language::printstr.
	(pascal_language_data): Delete la_printstr initializer.
	(pascal_language::printstr): New member function, implementation
	from pascal_printstr.
	* p-lang.h (pascal_printstr): Delete declaration.
	* rust-lang.c (rust_printstr): Update header comment.
	(rust_language_data): Delete la_printstr initializer.
	(rust_language::printstr): New member function.

1 files changed, 96 insertions, 101 deletions

diff --git a/gdb/p-lang.c b/gdb/p-lang.c
index b8c99c4..1c6aea9 100644
--- a/gdb/p-lang.c
+++ b/gdb/p-lang.c
@@ -202,106 +202,6 @@ pascal_printchar (int c, struct type *type, struct ui_file *stream)
     fputs_filtered ("'", stream);
 }
 
-/* Print the character string STRING, printing at most LENGTH characters.
-   Printing stops early if the number hits print_max; repeat counts
-   are printed as appropriate.  Print ellipses at the end if we
-   had to stop before printing LENGTH characters, or if FORCE_ELLIPSES.  */
-
-void
-pascal_printstr (struct ui_file *stream, struct type *type,
-		 const gdb_byte *string, unsigned int length,
-		 const char *encoding, int force_ellipses,
-		 const struct value_print_options *options)
-{
-  enum bfd_endian byte_order = type_byte_order (type);
-  unsigned int i;
-  unsigned int things_printed = 0;
-  int in_quotes = 0;
-  int need_comma = 0;
-  int width;
-
-  /* Preserve TYPE's original type, just set its LENGTH.  */
-  check_typedef (type);
-  width = TYPE_LENGTH (type);
-
-  /* If the string was not truncated due to `set print elements', and
-     the last byte of it is a null, we don't print that, in traditional C
-     style.  */
-  if ((!force_ellipses) && length > 0
-	&& extract_unsigned_integer (string + (length - 1) * width, width,
-				     byte_order) == 0)
-    length--;
-
-  if (length == 0)
-    {
-      fputs_filtered ("''", stream);
-      return;
-    }
-
-  for (i = 0; i < length && things_printed < options->print_max; ++i)
-    {
-      /* Position of the character we are examining
-         to see whether it is repeated.  */
-      unsigned int rep1;
-      /* Number of repetitions we have detected so far.  */
-      unsigned int reps;
-      unsigned long int current_char;
-
-      QUIT;
-
-      if (need_comma)
-	{
-	  fputs_filtered (", ", stream);
-	  need_comma = 0;
-	}
-
-      current_char = extract_unsigned_integer (string + i * width, width,
-					       byte_order);
-
-      rep1 = i + 1;
-      reps = 1;
-      while (rep1 < length
-	     && extract_unsigned_integer (string + rep1 * width, width,
-					  byte_order) == current_char)
-	{
-	  ++rep1;
-	  ++reps;
-	}
-
-      if (reps > options->repeat_count_threshold)
-	{
-	  if (in_quotes)
-	    {
-	      fputs_filtered ("', ", stream);
-	      in_quotes = 0;
-	    }
-	  pascal_printchar (current_char, type, stream);
-	  fprintf_filtered (stream, " %p[<repeats %u times>%p]",
-			    metadata_style.style ().ptr (),
-			    reps, nullptr);
-	  i = rep1 - 1;
-	  things_printed += options->repeat_count_threshold;
-	  need_comma = 1;
-	}
-      else
-	{
-	  if ((!in_quotes) && (PRINT_LITERAL_FORM (current_char)))
-	    {
-	      fputs_filtered ("'", stream);
-	      in_quotes = 1;
-	    }
-	  pascal_one_char (current_char, stream, &in_quotes);
-	  ++things_printed;
-	}
-    }
-
-  /* Terminate the quotes if necessary.  */
-  if (in_quotes)
-    fputs_filtered ("'", stream);
-
-  if (force_ellipses || i < length)
-    fputs_filtered ("...", stream);
-}
 
 
 /* Table mapping opcodes into strings for printing operators
@@ -376,7 +276,6 @@ extern const struct language_data pascal_language_data =
   macro_expansion_no,
   p_extensions,
   &exp_descriptor_standard,
-  pascal_printstr,		/* Function to print string constant */
   pascal_print_typedef,		/* Print a typedef using appropriate syntax */
   "this",		        /* name_of_this */
   false,			/* la_store_sym_names_in_linkage_form_p */
@@ -499,6 +398,102 @@ public:
     pascal_printchar (ch, chtype, stream);
   }
 
+  /* See language.h.  */
+
+  void printstr (struct ui_file *stream, struct type *elttype,
+		 const gdb_byte *string, unsigned int length,
+		 const char *encoding, int force_ellipses,
+		 const struct value_print_options *options) const override
+  {
+    enum bfd_endian byte_order = type_byte_order (elttype);
+    unsigned int i;
+    unsigned int things_printed = 0;
+    int in_quotes = 0;
+    int need_comma = 0;
+    int width;
+
+    /* Preserve ELTTYPE's original type, just set its LENGTH.  */
+    check_typedef (elttype);
+    width = TYPE_LENGTH (elttype);
+
+    /* If the string was not truncated due to `set print elements', and
+       the last byte of it is a null, we don't print that, in traditional C
+       style.  */
+    if ((!force_ellipses) && length > 0
+	&& extract_unsigned_integer (string + (length - 1) * width, width,
+				     byte_order) == 0)
+      length--;
+
+    if (length == 0)
+      {
+	fputs_filtered ("''", stream);
+	return;
+      }
+
+    for (i = 0; i < length && things_printed < options->print_max; ++i)
+      {
+	/* Position of the character we are examining
+	   to see whether it is repeated.  */
+	unsigned int rep1;
+	/* Number of repetitions we have detected so far.  */
+	unsigned int reps;
+	unsigned long int current_char;
+
+	QUIT;
+
+	if (need_comma)
+	  {
+	    fputs_filtered (", ", stream);
+	    need_comma = 0;
+	  }
+
+	current_char = extract_unsigned_integer (string + i * width, width,
+						 byte_order);
+
+	rep1 = i + 1;
+	reps = 1;
+	while (rep1 < length
+	       && extract_unsigned_integer (string + rep1 * width, width,
+					    byte_order) == current_char)
+	  {
+	    ++rep1;
+	    ++reps;
+	  }
+
+	if (reps > options->repeat_count_threshold)
+	  {
+	    if (in_quotes)
+	      {
+		fputs_filtered ("', ", stream);
+		in_quotes = 0;
+	      }
+	    pascal_printchar (current_char, elttype, stream);
+	    fprintf_filtered (stream, " %p[<repeats %u times>%p]",
+			      metadata_style.style ().ptr (),
+			      reps, nullptr);
+	    i = rep1 - 1;
+	    things_printed += options->repeat_count_threshold;
+	    need_comma = 1;
+	  }
+	else
+	  {
+	    if ((!in_quotes) && (PRINT_LITERAL_FORM (current_char)))
+	      {
+		fputs_filtered ("'", stream);
+		in_quotes = 1;
+	      }
+	    pascal_one_char (current_char, stream, &in_quotes);
+	    ++things_printed;
+	  }
+      }
+
+    /* Terminate the quotes if necessary.  */
+    if (in_quotes)
+      fputs_filtered ("'", stream);
+
+    if (force_ellipses || i < length)
+      fputs_filtered ("...", stream);
+  }
 };
 
 /* Single instance of the Pascal language class.  */