aboutsummaryrefslogtreecommitdiff
path: root/gcc/toplev.h
blob: ca09e0ef2e87aab811337ead110676fc1c4ffc7b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
/* toplev.h - Various declarations for functions found in toplev.c
   Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc.

This file is part of GNU CC.

GNU CC 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.

GNU CC 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 GNU CC; 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

#ifdef ANSI_PROTOTYPES
union tree_node;
struct rtx_def;
#endif

/* 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			PARAMS ((int argc, char **argv));
extern int read_integral_parameter	PARAMS ((const char *, const char *,
						const int));
extern int count_error			PARAMS ((int));
extern void strip_off_ending		PARAMS ((char *, int));
extern void print_time			PARAMS ((const char *, long));
extern void debug_start_source_file	PARAMS ((const char *));
extern void debug_end_source_file	PARAMS ((unsigned));
extern void debug_define		PARAMS ((unsigned, const char *));
extern void debug_undef			PARAMS ((unsigned, const char *));
extern int debug_ignore_block		PARAMS ((union tree_node *));
extern const char *trim_filename	PARAMS ((const char *));
extern void internal_error		PARAMS ((const char *, ...))
					       ATTRIBUTE_PRINTF_1
					       ATTRIBUTE_NORETURN;
extern void fatal_io_error		PARAMS ((const char *, ...))
					       ATTRIBUTE_PRINTF_1
					       ATTRIBUTE_NORETURN;
extern void _fatal_insn_not_found	PARAMS ((struct rtx_def *,
						const char *, int,
						const char *))
					       ATTRIBUTE_NORETURN;
extern void _fatal_insn			PARAMS ((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__)

extern void warning			PARAMS ((const char *, ...))
					       ATTRIBUTE_PRINTF_1;
extern void error			PARAMS ((const char *, ...))
					       ATTRIBUTE_PRINTF_1;
extern void fatal_error			PARAMS ((const char *, ...))
					       ATTRIBUTE_NORETURN
					       ATTRIBUTE_PRINTF_1;
extern void pedwarn			PARAMS ((const char *, ...))
					       ATTRIBUTE_PRINTF_1;
extern void pedwarn_with_file_and_line	PARAMS ((const char *, int,
						 const char *, ...))
					       ATTRIBUTE_PRINTF_3;
extern void warning_with_file_and_line	PARAMS ((const char *, int,
						 const char *, ...))
					       ATTRIBUTE_PRINTF_3;
extern void error_with_file_and_line	PARAMS ((const char *, int,
						 const char *, ...))
					       ATTRIBUTE_PRINTF_3;
extern void sorry			PARAMS ((const char *, ...))
					       ATTRIBUTE_PRINTF_1;
extern void default_print_error_function PARAMS ((const char *));
extern void report_error_function	PARAMS ((const char *));

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

/* The *_with_decl functions aren't suitable for ATTRIBUTE_PRINTF. */
extern void pedwarn_with_decl		PARAMS ((union tree_node *,
						 const char *, ...));
extern void warning_with_decl		PARAMS ((union tree_node *,
						 const char *, ...));
extern void error_with_decl		PARAMS ((union tree_node *,
						 const char *, ...));

extern void announce_function		PARAMS ((union tree_node *));

extern void error_for_asm		PARAMS ((struct rtx_def *,
						 const char *, ...))
					       ATTRIBUTE_PRINTF_2;
extern void warning_for_asm		PARAMS ((struct rtx_def *,
						 const char *, ...))
					       ATTRIBUTE_PRINTF_2;
#if defined (_JBLEN) || defined (setjmp)
extern void set_float_handler PARAMS ((jmp_buf));
#endif
extern int do_float_handler PARAMS ((void (*) (PTR), PTR));

#ifdef BUFSIZ
extern void output_quoted_string	PARAMS ((FILE *, const char *));
extern void output_file_directive	PARAMS ((FILE *, const char *));
#endif
extern void do_abort			PARAMS ((void)) ATTRIBUTE_NORETURN;
extern void botch			PARAMS ((const char *))
  ATTRIBUTE_NORETURN;

#ifdef BUFSIZ
extern void fnotice			PARAMS ((FILE *, const char *, ...))
					       ATTRIBUTE_PRINTF_2;
#endif

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

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

/* Language-specific hooks.  Can be NULL unless otherwise specified.  */
struct lang_hooks
{
  /* Called first, to initialize the front end.  */
  void (*init) PARAMS ((void));

  /* Called last, as a finalizer.  */
  void (*finish) PARAMS ((void));

  /* Called to initialize options, before any calls to decode_option.  */
  void (*init_options) PARAMS ((void));

  /* Function called with an option vector as argument, to decode a
     single option (typically starting with -f or -W or +).  It should
     return the number of command-line arguments it uses if it handles
     the option, or 0 and not complain if it does not recognise the
     option.  If this function returns a negative number, then its
     absolute value is the number of command-line arguments used, but,
     in addition, no language-independent option processing should be
     done for this option.

     This hook cannot be NULL.  */
  int (*decode_option) PARAMS ((int, char **));

  /* Called when all command line options have been processed.  */
  void (*post_options) PARAMS ((void));
};

/* Each front end provides its own.  */
extern struct lang_hooks lang_hooks;

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

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

extern void set_fast_math_flags         PARAMS ((void));
extern void set_no_fast_math_flags      PARAMS ((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             PARAMS ((unsigned HOST_WIDE_INT));
extern int floor_log2_wide             PARAMS ((unsigned HOST_WIDE_INT));

#endif /* ! GCC_TOPLEV_H */