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-rw-r--r--gcc-4.2.1/gcc/c-objc-common.c267
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diff --git a/gcc-4.2.1/gcc/c-objc-common.c b/gcc-4.2.1/gcc/c-objc-common.c
deleted file mode 100644
index d4ad1f89f..000000000
--- a/gcc-4.2.1/gcc/c-objc-common.c
+++ /dev/null
@@ -1,267 +0,0 @@
-/* Some code common to C and ObjC front ends.
- Copyright (C) 2001, 2002, 2003, 2004, 2005 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 2, 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 COPYING. If not, write to the Free
-Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301, USA. */
-
-#include "config.h"
-#include "system.h"
-#include "coretypes.h"
-#include "tm.h"
-#include "tree.h"
-#include "rtl.h"
-#include "insn-config.h"
-#include "integrate.h"
-#include "c-tree.h"
-#include "c-pretty-print.h"
-#include "function.h"
-#include "flags.h"
-#include "toplev.h"
-#include "diagnostic.h"
-#include "tree-inline.h"
-#include "varray.h"
-#include "ggc.h"
-#include "langhooks.h"
-#include "tree-mudflap.h"
-#include "target.h"
-#include "c-objc-common.h"
-
-static bool c_tree_printer (pretty_printer *, text_info *, const char *,
- int, bool, bool, bool);
-
-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));
-}
-
-/* We want to inline `extern inline' functions even if this would
- violate inlining limits. Some glibc and linux constructs depend on
- such functions always being inlined when optimizing. */
-
-int
-c_disregard_inline_limits (tree fn)
-{
- if (lookup_attribute ("always_inline", DECL_ATTRIBUTES (fn)) != NULL)
- return 1;
-
- return (!flag_really_no_inline && DECL_DECLARED_INLINE_P (fn)
- && DECL_EXTERNAL (fn));
-}
-
-int
-c_cannot_inline_tree_fn (tree *fnp)
-{
- tree fn = *fnp;
- bool do_warning = (warn_inline
- && DECL_INLINE (fn)
- && DECL_DECLARED_INLINE_P (fn)
- && !DECL_IN_SYSTEM_HEADER (fn));
-
- if (flag_really_no_inline
- && lookup_attribute ("always_inline", DECL_ATTRIBUTES (fn)) == NULL)
- {
- if (do_warning)
- warning (OPT_Winline, "function %q+F can never be inlined because it "
- "is suppressed using -fno-inline", fn);
- goto cannot_inline;
- }
-
- /* Don't auto-inline anything that might not be bound within
- this unit of translation. */
- if (!DECL_DECLARED_INLINE_P (fn) && !targetm.binds_local_p (fn))
- {
- if (do_warning)
- warning (OPT_Winline, "function %q+F can never be inlined because it "
- "might not be bound within this unit of translation", fn);
- goto cannot_inline;
- }
-
- if (!function_attribute_inlinable_p (fn))
- {
- if (do_warning)
- warning (OPT_Winline, "function %q+F can never be inlined because it "
- "uses attributes conflicting with inlining", fn);
- goto cannot_inline;
- }
-
- return 0;
-
- cannot_inline:
- DECL_UNINLINABLE (fn) = 1;
- return 1;
-}
-
-/* Called from check_global_declarations. */
-
-bool
-c_warn_unused_global_decl (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 ();
-
- if (c_common_init () == false)
- return false;
-
- /* These were not defined in the Objective-C front end, but I'm
- putting them here anyway. The diagnostic format decoder might
- want an enhanced ObjC implementation. */
- diagnostic_format_decoder (global_dc) = &c_tree_printer;
-
- /* If still unspecified, make it match -std=c99
- (allowing for -pedantic-errors). */
- if (mesg_implicit_function_declaration < 0)
- {
- if (flag_isoc99)
- mesg_implicit_function_declaration = flag_pedantic_errors ? 2 : 1;
- else
- mesg_implicit_function_declaration = 0;
- }
-
- return true;
-}
-
-/* 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.
-
- These format specifiers form a subset of the format specifiers set used
- by the C++ front-end.
- 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)
-{
- tree t = va_arg (*text->args_ptr, tree);
- tree name;
- const char *n = "({anonymous})";
- c_pretty_printer *cpp = (c_pretty_printer *) pp;
- pp->padding = pp_none;
-
- if (precision != 0 || wide || hash)
- return false;
-
- if (set_locus && text->locus)
- *text->locus = DECL_SOURCE_LOCATION (t);
-
- switch (*spec)
- {
- case 'D':
- if (DECL_DEBUG_EXPR_IS_FROM (t) && DECL_DEBUG_EXPR (t))
- {
- t = DECL_DEBUG_EXPR (t);
- if (!DECL_P (t))
- {
- pp_c_expression (cpp, t);
- return true;
- }
- }
- /* FALLTHRU */
-
- case 'F':
- if (DECL_NAME (t))
- n = lang_hooks.decl_printable_name (t, 2);
- break;
-
- case 'T':
- gcc_assert (TYPE_P (t));
- name = TYPE_NAME (t);
-
- if (name && TREE_CODE (name) == TYPE_DECL)
- {
- if (DECL_NAME (name))
- pp_string (cpp, lang_hooks.decl_printable_name (name, 2));
- else
- pp_type_id (cpp, t);
- return true;
- }
- else
- {
- pp_type_id (cpp, t);
- return true;
- }
- break;
-
- case 'E':
- if (TREE_CODE (t) == IDENTIFIER_NODE)
- n = IDENTIFIER_POINTER (t);
- else
- {
- pp_expression (cpp, t);
- return true;
- }
- break;
-
- default:
- return false;
- }
-
- pp_string (cpp, n);
- return true;
-}
-
-/* In C and ObjC, all decls have "C" linkage. */
-bool
-has_c_linkage (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);
- memcpy (pp_base (pp), base, sizeof (pretty_printer));
- pp_c_pretty_printer_init (pp);
- context->printer = (pretty_printer *) pp;
-
- /* It is safe to free this object because it was previously XNEW()'d. */
- XDELETE (base);
-}
-
-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);
-}
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