1 files changed, 0 insertions, 396 deletions

diff --git a/gcc/c/c-objc-common.c b/gcc/c/c-objc-common.c
deleted file mode 100644
index 97850ad..0000000
--- a/gcc/c/c-objc-common.c
+++ /dev/null
@@ -1,396 +0,0 @@
-/* Some code common to C and ObjC front ends.
-   Copyright (C) 2001-2022 Free Software Foundation, Inc.
-
-This file is part of GCC.
-
-GCC is free software; you can redistribute it and/or modify it under
-the terms of the GNU General Public License as published by the Free
-Software Foundation; either version 3, or (at your option) any later
-version.
-
-GCC is distributed in the hope that it will be useful, but WITHOUT ANY
-WARRANTY; without even the implied warranty of MERCHANTABILITY or
-FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
-for more details.
-
-You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING3.  If not see
-<http://www.gnu.org/licenses/>.  */
-
-#include "config.h"
-#include "system.h"
-#include "coretypes.h"
-#include "c-tree.h"
-#include "intl.h"
-#include "c-family/c-pretty-print.h"
-#include "tree-pretty-print.h"
-#include "gimple-pretty-print.h"
-#include "langhooks.h"
-#include "c-objc-common.h"
-#include "gcc-rich-location.h"
-#include "stringpool.h"
-#include "attribs.h"
-
-static bool c_tree_printer (pretty_printer *, text_info *, const char *,
-			    int, bool, bool, bool, bool *, const char **);
-
-bool
-c_missing_noreturn_ok_p (tree decl)
-{
-  /* A missing noreturn is not ok for freestanding implementations and
-     ok for the `main' function in hosted implementations.  */
-  return flag_hosted && MAIN_NAME_P (DECL_ASSEMBLER_NAME (decl));
-}
-
-/* Called from check_global_declaration.  */
-
-bool
-c_warn_unused_global_decl (const_tree decl)
-{
-  if (TREE_CODE (decl) == FUNCTION_DECL && DECL_DECLARED_INLINE_P (decl))
-    return false;
-  if (DECL_IN_SYSTEM_HEADER (decl))
-    return false;
-
-  return true;
-}
-
-/* Initialization common to C and Objective-C front ends.  */
-bool
-c_objc_common_init (void)
-{
-  c_init_decl_processing ();
-
-  return c_common_init ();
-}
-
-/* Decide whether it's worth saying that TYPE is also known as some other
-   type.  Return the other type if so, otherwise return TYPE.  */
-
-static tree
-get_aka_type (tree type)
-{
-  if (type == error_mark_node)
-    return type;
-
-  tree result;
-  if (typedef_variant_p (type))
-    {
-      /* Saying that "foo" is also known as "struct foo" or
-	 "struct <anonymous>" is unlikely to be useful, since users of
-	 structure-like types would already know that they're structures.
-	 The same applies to unions and enums; in general, printing the
-	 tag is only useful if it has a different name.  */
-      tree orig_type = DECL_ORIGINAL_TYPE (TYPE_NAME (type));
-      tree_code code = TREE_CODE (orig_type);
-      tree orig_id = TYPE_IDENTIFIER (orig_type);
-      if ((code == RECORD_TYPE || code == UNION_TYPE || code == ENUMERAL_TYPE)
-	  && (!orig_id || TYPE_IDENTIFIER (type) == orig_id))
-	return type;
-
-      if (!user_facing_original_type_p (type))
-	return type;
-
-      result = get_aka_type (orig_type);
-    }
-  else
-    {
-      tree canonical = TYPE_CANONICAL (type);
-      if (canonical && TREE_CODE (type) != TREE_CODE (canonical))
-	return canonical;
-
-      /* Recursive calls might choose a middle ground between TYPE
-	 (which has no typedefs stripped) and CANONICAL (which has
-	 all typedefs stripped).  So try to reuse TYPE or CANONICAL if
-	 convenient, but be prepared to create a new type if necessary.  */
-      switch (TREE_CODE (type))
-	{
-	case POINTER_TYPE:
-	case REFERENCE_TYPE:
-	  {
-	    tree target_type = get_aka_type (TREE_TYPE (type));
-
-	    if (target_type == TREE_TYPE (type))
-	      return type;
-
-	    if (canonical && target_type == TREE_TYPE (canonical))
-	      return canonical;
-
-	    result = (TREE_CODE (type) == POINTER_TYPE
-		      ? build_pointer_type (target_type)
-		      : build_reference_type (target_type));
-	    break;
-	  }
-
-	case ARRAY_TYPE:
-	  {
-	    tree element_type = get_aka_type (TREE_TYPE (type));
-	    tree index_type = (TYPE_DOMAIN (type)
-			       ? get_aka_type (TYPE_DOMAIN (type))
-			       : NULL_TREE);
-
-	    if (element_type == TREE_TYPE (type)
-		&& index_type == TYPE_DOMAIN (type))
-	      return type;
-
-	    if (canonical
-		&& element_type == TREE_TYPE (canonical)
-		&& index_type == TYPE_DOMAIN (canonical))
-	      return canonical;
-
-	    result = build_array_type (element_type, index_type,
-				       TYPE_TYPELESS_STORAGE (type));
-	    break;
-	  }
-
-	case FUNCTION_TYPE:
-	  {
-	    tree return_type = get_aka_type (TREE_TYPE (type));
-
-	    tree args = TYPE_ARG_TYPES (type);
-	    if (args == error_mark_node)
-	      return type;
-
-	    auto_vec<tree, 32> arg_types;
-	    bool type_ok_p = true;
-	    while (args && args != void_list_node)
-	      {
-		tree arg_type = get_aka_type (TREE_VALUE (args));
-		arg_types.safe_push (arg_type);
-		type_ok_p &= (arg_type == TREE_VALUE (args));
-		args = TREE_CHAIN (args);
-	      }
-
-	    if (type_ok_p && return_type == TREE_TYPE (type))
-	      return type;
-
-	    unsigned int i;
-	    tree arg_type;
-	    FOR_EACH_VEC_ELT_REVERSE (arg_types, i, arg_type)
-	      args = tree_cons (NULL_TREE, arg_type, args);
-	    result = build_function_type (return_type, args);
-	    break;
-	  }
-
-	default:
-	  return canonical ? canonical : type;
-	}
-    }
-  return build_type_attribute_qual_variant (result, TYPE_ATTRIBUTES (type),
-					    TYPE_QUALS (type));
-}
-
-/* Print T to CPP.  */
-
-static void
-print_type (c_pretty_printer *cpp, tree t, bool *quoted)
-{
-  if (t == error_mark_node)
-    {
-      pp_string (cpp, _("{erroneous}"));
-      return;
-    }
-
-  gcc_assert (TYPE_P (t));
-  struct obstack *ob = pp_buffer (cpp)->obstack;
-  char *p = (char *) obstack_base (ob);
-  /* Remember the end of the initial dump.  */
-  int len = obstack_object_size (ob);
-
-  tree name = TYPE_NAME (t);
-  if (name && TREE_CODE (name) == TYPE_DECL && DECL_NAME (name))
-    pp_identifier (cpp, lang_hooks.decl_printable_name (name, 2));
-  else
-    cpp->type_id (t);
-
-  /* If we're printing a type that involves typedefs, also print the
-     stripped version.  But sometimes the stripped version looks
-     exactly the same, so we don't want it after all.  To avoid
-     printing it in that case, we play ugly obstack games.  */
-  tree aka_type = get_aka_type (t);
-  if (aka_type != t)
-    {
-      c_pretty_printer cpp2;
-      /* Print the stripped version into a temporary printer.  */
-      cpp2.type_id (aka_type);
-      struct obstack *ob2 = cpp2.buffer->obstack;
-      /* Get the stripped version from the temporary printer.  */
-      const char *aka = (char *) obstack_base (ob2);
-      int aka_len = obstack_object_size (ob2);
-      int type1_len = obstack_object_size (ob) - len;
-
-      /* If they are identical, bail out.  */
-      if (aka_len == type1_len && memcmp (p + len, aka, aka_len) == 0)
-	return;
-
-      /* They're not, print the stripped version now.  */
-      if (*quoted)
-	pp_end_quote (cpp, pp_show_color (cpp));
-      pp_c_whitespace (cpp);
-      pp_left_brace (cpp);
-      pp_c_ws_string (cpp, _("aka"));
-      pp_c_whitespace (cpp);
-      if (*quoted)
-	pp_begin_quote (cpp, pp_show_color (cpp));
-      cpp->type_id (aka_type);
-      if (*quoted)
-	pp_end_quote (cpp, pp_show_color (cpp));
-      pp_right_brace (cpp);
-      /* No further closing quotes are needed.  */
-      *quoted = false;
-    }
-}
-
-/* Called during diagnostic message formatting process to print a
-   source-level entity onto BUFFER.  The meaning of the format specifiers
-   is as follows:
-   %D: a general decl,
-   %E: an identifier or expression,
-   %F: a function declaration,
-   %T: a type.
-   %V: a list of type qualifiers from a tree.
-   %v: an explicit list of type qualifiers
-   %#v: an explicit list of type qualifiers of a function type.
-
-   Please notice when called, the `%' part was already skipped by the
-   diagnostic machinery.  */
-static bool
-c_tree_printer (pretty_printer *pp, text_info *text, const char *spec,
-		int precision, bool wide, bool set_locus, bool hash,
-		bool *quoted, const char **)
-{
-  tree t = NULL_TREE;
-  // FIXME: the next cast should be a dynamic_cast, when it is permitted.
-  c_pretty_printer *cpp = (c_pretty_printer *) pp;
-  pp->padding = pp_none;
-
-  if (precision != 0 || wide)
-    return false;
-
-  if (*spec != 'v')
-    {
-      t = va_arg (*text->args_ptr, tree);
-      if (set_locus)
-	text->set_location (0, DECL_SOURCE_LOCATION (t),
-			    SHOW_RANGE_WITH_CARET);
-    }
-
-  switch (*spec)
-    {
-    case 'D':
-      if (VAR_P (t) && DECL_HAS_DEBUG_EXPR_P (t))
-	{
-	  t = DECL_DEBUG_EXPR (t);
-	  if (!DECL_P (t))
-	    {
-	      cpp->expression (t);
-	      return true;
-	    }
-	}
-      /* FALLTHRU */
-
-    case 'F':
-      if (DECL_NAME (t))
-	{
-	  pp_identifier (cpp, lang_hooks.decl_printable_name (t, 2));
-	  return true;
-	}
-      break;
-
-    case 'T':
-      print_type (cpp, t, quoted);
-      return true;
-
-    case 'E':
-      if (TREE_CODE (t) == IDENTIFIER_NODE)
-	pp_identifier (cpp, IDENTIFIER_POINTER (t));
-      else
-	cpp->expression (t);
-      return true;
-
-    case 'V':
-      pp_c_type_qualifier_list (cpp, t);
-      return true;
-
-    case 'v':
-      pp_c_cv_qualifiers (cpp, va_arg (*text->args_ptr, int), hash);
-      return true;
-
-    default:
-      return false;
-    }
-
-  pp_string (cpp, _("({anonymous})"));
-  return true;
-}
-
-/* C-specific implementation of range_label::get_text () vfunc for
-   range_label_for_type_mismatch.  */
-
-label_text
-range_label_for_type_mismatch::get_text (unsigned /*range_idx*/) const
-{
-  if (m_labelled_type == NULL_TREE)
-    return label_text::borrow (NULL);
-
-  c_pretty_printer cpp;
-  bool quoted = false;
-  print_type (&cpp, m_labelled_type, &quoted);
-  return label_text::take (xstrdup (pp_formatted_text (&cpp)));
-}
-
-
-/* In C and ObjC, all decls have "C" linkage.  */
-bool
-has_c_linkage (const_tree decl ATTRIBUTE_UNUSED)
-{
-  return true;
-}
-
-void
-c_initialize_diagnostics (diagnostic_context *context)
-{
-  pretty_printer *base = context->printer;
-  c_pretty_printer *pp = XNEW (c_pretty_printer);
-  context->printer = new (pp) c_pretty_printer ();
-
-  /* It is safe to free this object because it was previously XNEW()'d.  */
-  base->~pretty_printer ();
-  XDELETE (base);
-
-  c_common_diagnostics_set_defaults (context);
-  diagnostic_format_decoder (context) = &c_tree_printer;
-}
-
-int
-c_types_compatible_p (tree x, tree y)
-{
-  return comptypes (TYPE_MAIN_VARIANT (x), TYPE_MAIN_VARIANT (y));
-}
-
-/* Determine if the type is a vla type for the backend.  */
-
-bool
-c_vla_unspec_p (tree x, tree fn ATTRIBUTE_UNUSED)
-{
-  return c_vla_type_p (x);
-}
-
-/* Special routine to get the alias set of T for C.  */
-
-alias_set_type
-c_get_alias_set (tree t)
-{
-  /* Allow aliasing between enumeral types and the underlying
-     integer type.  This is required since those are compatible types.  */
-  if (TREE_CODE (t) == ENUMERAL_TYPE)
-    {
-      tree t1 = c_common_type_for_size (tree_to_uhwi (TYPE_SIZE (t)),
-					/* short-cut commoning to signed
-					   type.  */
-					false);
-      return get_alias_set (t1);
-    }
-
-  return c_common_get_alias_set (t);
-}