/* Some code common to C and ObjC front ends.
- Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
+ Copyright (C) 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
This file is part of GCC.
#include "rtl.h"
#include "insn-config.h"
#include "integrate.h"
-#include "expr.h"
#include "c-tree.h"
+#include "c-pretty-print.h"
#include "function.h"
#include "flags.h"
#include "toplev.h"
#include "varray.h"
#include "ggc.h"
#include "langhooks.h"
+#include "tree-mudflap.h"
#include "target.h"
-#include "cgraph.h"
+#include "c-objc-common.h"
static bool c_tree_printer (pretty_printer *, text_info *);
-static tree start_cdtor (int);
-static void finish_cdtor (tree);
-int
+bool
c_missing_noreturn_ok_p (tree decl)
{
/* A missing noreturn is not ok for freestanding implementations and
if (lookup_attribute ("always_inline", DECL_ATTRIBUTES (fn)) != NULL)
return 1;
- return DECL_DECLARED_INLINE_P (fn) && DECL_EXTERNAL (fn);
+ return (!flag_really_no_inline && DECL_DECLARED_INLINE_P (fn)
+ && DECL_EXTERNAL (fn));
}
int
c_cannot_inline_tree_fn (tree *fnp)
{
tree fn = *fnp;
- tree t;
bool do_warning = (warn_inline
&& DECL_INLINE (fn)
&& DECL_DECLARED_INLINE_P (fn)
&& lookup_attribute ("always_inline", DECL_ATTRIBUTES (fn)) == NULL)
{
if (do_warning)
- warning ("%Jfunction '%F' can never be inlined because it "
- "is supressed using -fno-inline", fn, fn);
+ warning ("%Jfunction %qF can never be inlined because it "
+ "is suppressed using -fno-inline", fn, 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 (!DECL_DECLARED_INLINE_P (fn) && !targetm.binds_local_p (fn))
{
if (do_warning)
- warning ("%Jfunction '%F' can never be inlined because it might not "
+ warning ("%Jfunction %qF can never be inlined because it might not "
"be bound within this unit of translation", fn, fn);
goto cannot_inline;
}
- if (! function_attribute_inlinable_p (fn))
+ if (!function_attribute_inlinable_p (fn))
{
if (do_warning)
- warning ("%Jfunction '%F' can never be inlined because it uses "
+ warning ("%Jfunction %qF can never be inlined because it uses "
"attributes conflicting with inlining", fn, fn);
goto cannot_inline;
}
- /* If a function has pending sizes, we must not defer its
- compilation, and we can't inline it as a tree. */
- if (fn == current_function_decl)
- {
- t = get_pending_sizes ();
- put_pending_sizes (t);
-
- if (t)
- {
- if (do_warning)
- warning ("%Jfunction '%F' can never be inlined because it has "
- "pending sizes", fn, fn);
- goto cannot_inline;
- }
- }
-
- if (! DECL_FILE_SCOPE_P (fn))
- {
- /* If a nested function has pending sizes, we may have already
- saved them. */
- if (DECL_LANG_SPECIFIC (fn)->pending_sizes)
- {
- if (do_warning)
- warning ("%Jnested function '%F' can never be inlined because it "
- "has possibly saved pending sizes", fn, fn);
- goto cannot_inline;
- }
- }
-
return 0;
cannot_inline:
if (c_common_init () == false)
return false;
- lang_expand_decl_stmt = c_expand_decl_stmt;
-
/* 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;
- lang_missing_noreturn_ok_p = &c_missing_noreturn_ok_p;
/* If still unspecified, make it match -std=c99
(allowing for -pedantic-errors). */
return true;
}
-static tree
-start_cdtor (int method_type)
-{
- tree fnname = get_file_function_name (method_type);
- tree void_list_node_1 = build_tree_list (NULL_TREE, void_type_node);
- tree body;
-
- start_function (void_list_node_1,
- build_nt (CALL_EXPR, fnname,
- tree_cons (NULL_TREE, NULL_TREE, void_list_node_1),
- NULL_TREE),
- NULL_TREE);
- store_parm_decls ();
-
- current_function_cannot_inline
- = "static constructors and destructors cannot be inlined";
-
- body = c_begin_compound_stmt ();
-
- pushlevel (0);
- clear_last_expr ();
- add_scope_stmt (/*begin_p=*/1, /*partial_p=*/0);
-
- return body;
-}
-
-static void
-finish_cdtor (tree body)
-{
- tree scope;
- tree block;
-
- scope = add_scope_stmt (/*begin_p=*/0, /*partial_p=*/0);
- block = poplevel (0, 0, 0);
- SCOPE_STMT_BLOCK (TREE_PURPOSE (scope)) = block;
- SCOPE_STMT_BLOCK (TREE_VALUE (scope)) = block;
-
- RECHAIN_STMTS (body, COMPOUND_BODY (body));
-
- finish_function ();
-}
-
-/* Called at end of parsing, but before end-of-file processing. */
-
-void
-c_objc_common_finish_file (void)
-{
- if (pch_file)
- c_common_write_pch ();
-
- /* If multiple translation units were built, copy information between
- them based on linkage rules. */
- merge_translation_unit_decls ();
-
- cgraph_finalize_compilation_unit ();
- cgraph_optimize ();
-
- if (static_ctors)
- {
- tree body = start_cdtor ('I');
-
- for (; static_ctors; static_ctors = TREE_CHAIN (static_ctors))
- c_expand_expr_stmt (build_function_call (TREE_VALUE (static_ctors),
- NULL_TREE));
-
- finish_cdtor (body);
- }
-
- if (static_dtors)
- {
- tree body = start_cdtor ('D');
-
- for (; static_dtors; static_dtors = TREE_CHAIN (static_dtors))
- c_expand_expr_stmt (build_function_call (TREE_VALUE (static_dtors),
- NULL_TREE));
-
- finish_cdtor (body);
- }
-
- {
- int flags;
- FILE *stream = dump_begin (TDI_all, &flags);
-
- if (stream)
- {
- dump_node (getdecls (), flags & ~TDF_SLIM, stream);
- dump_end (TDI_all, stream);
- }
- }
-}
-
/* 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 expression,
+ %E: an identifier or expression,
%F: a function declaration,
%T: a type.
c_tree_printer (pretty_printer *pp, text_info *text)
{
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;
switch (*text->format_spec)
{
case 'D':
+ if (DECL_DEBUG_EXPR (t) && DECL_DEBUG_EXPR_IS_FROM (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':
- {
- const char *n = DECL_NAME (t)
- ? (*lang_hooks.decl_printable_name) (t, 2)
- : "({anonymous})";
- pp_string (pp, n);
- }
- return true;
+ 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)
- {
- pp_string (pp, IDENTIFIER_POINTER (t));
- return true;
- }
- return false;
+ 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));
}
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