/* Language-specific hook definitions for C front end.
- Copyright (C) 1991 Free Software Foundation, Inc.
+ Copyright (C) 1991, 1995, 1997, 1998,
+ 1999, 2000 Free Software Foundation, Inc.
This file is part of GNU CC.
You should have received a copy of the GNU General Public License
along with GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
#include "config.h"
+#include "system.h"
#include "tree.h"
-#include <stdio.h>
+#include "function.h"
#include "input.h"
+#include "toplev.h"
+#include "diagnostic.h"
+#include "output.h"
+#include "flags.h"
+#include "ggc.h"
+#include "rtl.h"
+#include "expr.h"
+#include "c-tree.h"
+#include "c-lex.h"
+
+static int c_tree_printer PARAMS ((output_buffer *));
+
+#if USE_CPPLIB
+#include "cpplib.h"
+extern cpp_reader parse_in;
+#endif
/* Each of the functions defined here
is an alternative to a function in objc-actions.c. */
int
-lang_decode_option (p)
- char *p;
+lang_decode_option (argc, argv)
+ int argc;
+ char **argv;
{
- return c_decode_option (p);
+ return c_decode_option (argc, argv);
+}
+
+void
+lang_init_options ()
+{
+#if USE_CPPLIB
+ cpp_init ();
+ cpp_reader_init (&parse_in);
+#endif
+ /* Mark as "unspecified". */
+ flag_bounds_check = -1;
}
void
lang_init ()
{
+ /* If still "unspecified", make it match -fbounded-pointers. */
+ if (flag_bounds_check < 0)
+ flag_bounds_check = flag_bounded_pointers;
+
+ /* If still unspecified, make it match pedantic && -std=c99. */
+ if (mesg_implicit_function_declaration < 0)
+ {
+ if (pedantic && flag_isoc99)
+ mesg_implicit_function_declaration = flag_pedantic_errors ? 2 : 1;
+ else
+ mesg_implicit_function_declaration = 0;
+ }
+
/* the beginning of the file is a new line; check for # */
/* With luck, we discover the real source file's name from that
and put it in input_filename. */
+#if !USE_CPPLIB
ungetc (check_newline (), finput);
+#endif
+
+ save_lang_status = &push_c_function_context;
+ restore_lang_status = &pop_c_function_context;
+ mark_lang_status = &mark_c_function_context;
+ lang_expand_expr = &c_expand_expr;
+ lang_safe_from_p = &c_safe_from_p;
+ lang_printer = &c_tree_printer;
+ lang_expand_decl_stmt = &c_expand_decl_stmt;
+
+ c_parse_init ();
}
void
{
}
-char *
+const char *
lang_identify ()
{
return "c";
{
}
+/* used by print-tree.c */
+
+void
+lang_print_xnode (file, node, indent)
+ FILE *file ATTRIBUTE_UNUSED;
+ tree node ATTRIBUTE_UNUSED;
+ int indent ATTRIBUTE_UNUSED;
+{
+}
+
/* Used by c-lex.c, but only for objc. */
tree
lookup_interface (arg)
- tree arg;
+ tree arg ATTRIBUTE_UNUSED;
{
return 0;
}
tree
is_class_name (arg)
- tree arg;
+ tree arg ATTRIBUTE_UNUSED;
{
return 0;
}
void
maybe_objc_check_decl (decl)
- tree decl;
+ tree decl ATTRIBUTE_UNUSED;
{
}
int
maybe_objc_comptypes (lhs, rhs, reflexive)
- tree lhs, rhs;
- int reflexive;
+ tree lhs ATTRIBUTE_UNUSED;
+ tree rhs ATTRIBUTE_UNUSED;
+ int reflexive ATTRIBUTE_UNUSED;
{
return -1;
}
tree
maybe_objc_method_name (decl)
- tree decl;
+ tree decl ATTRIBUTE_UNUSED;
{
return 0;
}
return 0;
}
-tree
-build_objc_string (len, str)
- int len;
- char *str;
-{
- abort ();
- return NULL_TREE;
-}
+/* Used by c-typeck.c (build_external_ref), but only for objc. */
-void
-GNU_xref_begin ()
+tree
+lookup_objc_ivar (id)
+ tree id ATTRIBUTE_UNUSED;
{
- fatal ("GCC does not yet support XREF");
+ return 0;
}
-void
-GNU_xref_end ()
-{
- fatal ("GCC does not yet support XREF");
-}
+/* Called at end of parsing, but before end-of-file processing. */
-/* called at end of parsing, but before end-of-file processing. */
void
finish_file ()
{
- extern tree static_ctors, static_dtors;
- extern tree get_file_function_name ();
- extern tree build_function_call PROTO((tree, tree));
- tree void_list_node = build_tree_list (NULL_TREE, void_type_node);
+#ifndef ASM_OUTPUT_CONSTRUCTOR
+ extern tree static_ctors;
+#endif
+#ifndef ASM_OUTPUT_DESTRUCTOR
+ extern tree static_dtors;
+#endif
+ extern tree build_function_call PARAMS ((tree, tree));
+#if !defined(ASM_OUTPUT_CONSTRUCTOR) || !defined(ASM_OUTPUT_DESTRUCTOR)
+ tree void_list_node_1 = build_tree_list (NULL_TREE, void_type_node);
+#endif
#ifndef ASM_OUTPUT_CONSTRUCTOR
if (static_ctors)
{
tree fnname = get_file_function_name ('I');
- start_function (void_list_node,
- build_parse_node (CALL_EXPR, fnname, void_list_node,
+ start_function (void_list_node_1,
+ build_parse_node (CALL_EXPR, fnname,
+ tree_cons (NULL_TREE, NULL_TREE,
+ void_list_node_1),
NULL_TREE),
- 0);
+ NULL_TREE, NULL_TREE);
fnname = DECL_ASSEMBLER_NAME (current_function_decl);
store_parm_decls ();
if (static_dtors)
{
tree fnname = get_file_function_name ('D');
- start_function (void_list_node,
- build_parse_node (CALL_EXPR, fnname, void_list_node,
+ start_function (void_list_node_1,
+ build_parse_node (CALL_EXPR, fnname,
+ tree_cons (NULL_TREE, NULL_TREE,
+ void_list_node_1),
NULL_TREE),
- 0);
+ NULL_TREE, NULL_TREE);
fnname = DECL_ASSEMBLER_NAME (current_function_decl);
store_parm_decls ();
}
#endif
}
+
+/* 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,
+ %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 int
+c_tree_printer (buffer)
+ output_buffer *buffer;
+{
+ tree t = va_arg (output_buffer_format_args (buffer), tree);
+
+ switch (*output_buffer_text_cursor (buffer))
+ {
+ case 'D':
+ case 'F':
+ case 'T':
+ {
+ const char *n = DECL_NAME (t)
+ ? (*decl_printable_name) (t, 2)
+ : "({anonymous})";
+ output_add_string (buffer, n);
+ }
+ return 1;
+
+ default:
+ return 0;
+ }
+}
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