#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 *);
bool
c_missing_noreturn_ok_p (tree decl)
{
return flag_hosted && MAIN_NAME_P (DECL_ASSEMBLER_NAME (decl));
}
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) || flag_obey_inline));
}
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 ("%Jfunction %qF can never be inlined because it "
"is suppressed using -fno-inline", fn, fn);
goto cannot_inline;
}
if (!DECL_DECLARED_INLINE_P (fn) && !targetm.binds_local_p (fn))
{
if (do_warning)
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 (do_warning)
warning ("%Jfunction %qF can never be inlined because it uses "
"attributes conflicting with inlining", fn, fn);
goto cannot_inline;
}
return 0;
cannot_inline:
DECL_UNINLINABLE (fn) = 1;
return 1;
}
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;
}
bool
c_objc_common_init (void)
{
static const enum tree_code stmt_codes[] = {
c_common_stmt_codes
};
INIT_STATEMENT_CODES (stmt_codes);
c_init_decl_processing ();
if (c_common_init () == false)
return false;
diagnostic_format_decoder (global_dc) = &c_tree_printer;
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;
}
static bool
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;
}
}
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;
}
tree
c_objc_common_truthvalue_conversion (tree expr)
{
retry:
switch (TREE_CODE (TREE_TYPE (expr)))
{
case ARRAY_TYPE:
expr = default_conversion (expr);
if (TREE_CODE (TREE_TYPE (expr)) != ARRAY_TYPE)
goto retry;
error ("used array that cannot be converted to pointer where scalar is required");
return error_mark_node;
case RECORD_TYPE:
error ("used struct type value where scalar is required");
return error_mark_node;
case UNION_TYPE:
error ("used union type value where scalar is required");
return error_mark_node;
default:
break;
}
return c_common_truthvalue_conversion (objc_build_weak_reference_tree (expr));
}
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;
XDELETE (base);
}
int
c_types_compatible_p (tree x, tree y)
{
return comptypes (TYPE_MAIN_VARIANT (x), TYPE_MAIN_VARIANT (y));
}
bool
c_vla_unspec_p (tree x, tree fn ATTRIBUTE_UNUSED)
{
return c_vla_type_p (x);
}