/* toplev.h - Various declarations for functions found in toplev.c
   Copyright (C) 1998, 1999, 2000, 2001, 2003 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, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA.  */

#ifndef GCC_TOPLEV_H
#define GCC_TOPLEV_H

/* If non-NULL, return one past-the-end of the matching SUBPART of
   the WHOLE string.  */
#define skip_leading_substring(whole,  part) \
   (strncmp (whole, part, strlen (part)) ? NULL : whole + strlen (part))

extern int toplev_main			(int, char **);
extern int read_integral_parameter	(const char *, const char *,
					 const int);
extern void strip_off_ending		(char *, int);
extern void print_time			(const char *, long);
extern const char *trim_filename	(const char *);
extern void internal_error		(const char *, ...)
     ATTRIBUTE_NORETURN;
extern void _fatal_insn_not_found	(struct rtx_def *,
  					 const char *, int,
					 const char *)
     ATTRIBUTE_NORETURN;
extern void _fatal_insn			(const char *,
					 struct rtx_def *,
					 const char *, int,
					 const char *)
     ATTRIBUTE_NORETURN;

#define fatal_insn(msgid, insn) \
	_fatal_insn (msgid, insn, __FILE__, __LINE__, __FUNCTION__)
#define fatal_insn_not_found(insn) \
	_fatal_insn_not_found (insn, __FILE__, __LINE__, __FUNCTION__)

/* None of these functions are suitable for ATTRIBUTE_PRINTF, because
   each language front end can extend them with its own set of format
   specifiers.  */
extern void warning			(const char *, ...);
extern void error			(const char *, ...);
extern void fatal_error			(const char *, ...)
     ATTRIBUTE_NORETURN;
extern void pedwarn			(const char *, ...);
extern void sorry			(const char *, ...);

extern void rest_of_decl_compilation	(union tree_node *,
					 const char *, int, int);
extern void rest_of_type_compilation	(union tree_node *, int);
extern void rest_of_compilation		(union tree_node *);

extern void pedwarn_with_decl		(union tree_node *,
					 const char *, ...);
extern void warning_with_decl		(union tree_node *,
					 const char *, ...);
extern void error_with_decl		(union tree_node *,
					 const char *, ...);

extern void announce_function		(union tree_node *);

extern void error_for_asm		(struct rtx_def *,
					 const char *, ...);
extern void warning_for_asm		(struct rtx_def *,
					 const char *, ...);
extern void warn_deprecated_use		(union tree_node *);

extern void output_clean_symbol_name    (FILE *, const char *);
#ifdef BUFSIZ
extern void output_quoted_string	(FILE *, const char *);
extern void output_file_directive	(FILE *, const char *);
#endif

#ifdef BUFSIZ
  /* N.B. Unlike all the others, fnotice is just gettext+fprintf, and
     therefore it can have ATTRIBUTE_PRINTF.  */
extern void fnotice			(FILE *, const char *, ...)
     ATTRIBUTE_PRINTF_2;
#endif

extern int wrapup_global_declarations   (union tree_node **, int);
extern void check_global_declarations   (union tree_node **, int);

extern const char *progname;
extern const char *dump_base_name;

extern int target_flags_explicit;

/* The hashtable, so that the C front ends can pass it to cpplib.  */
extern struct ht *ident_hash;

/* This function can be used by targets to set the flags originally
    implied by -ffast-math and -fno-fast-math.  */

extern void set_fast_math_flags         (int);

/* Return true iff flags are set as if -ffast-math.  */
extern bool fast_math_flags_set_p	(void);

/* The following functions accept a wide integer argument.  Rather
   than having to cast on every function call, we use a macro instead.  */

#ifndef exact_log2
#define exact_log2(N) exact_log2_wide ((unsigned HOST_WIDE_INT) (N))
#define floor_log2(N) floor_log2_wide ((unsigned HOST_WIDE_INT) (N))
#endif
extern int exact_log2_wide             (unsigned HOST_WIDE_INT);
extern int floor_log2_wide             (unsigned HOST_WIDE_INT);

#endif /* ! GCC_TOPLEV_H */