* parse.y (maybe_yank_clinit): Don't crash if bbody is NULL.
[official-gcc.git] / gcc / opts.h
blobb6f157211f1de03399c2ae780287b854b5157443
1 /* Command line option handling.
2 Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
4 This file is part of GCC.
6 GCC is free software; you can redistribute it and/or modify it under
7 the terms of the GNU General Public License as published by the Free
8 Software Foundation; either version 2, or (at your option) any later
9 version.
11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 for more details.
16 You should have received a copy of the GNU General Public License
17 along with GCC; see the file COPYING. If not, write to the Free
18 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
19 02111-1307, USA. */
21 #ifndef GCC_OPTS_H
22 #define GCC_OPTS_H
24 /* Specifies how a switch's VAR_VALUE relates to its FLAG_VAR. */
25 enum cl_var_cond {
26 /* The switch is enabled when FLAG_VAR is nonzero. */
27 CLVC_BOOLEAN,
29 /* The switch is enabled when FLAG_VAR == VAR_VALUE. */
30 CLVC_EQUAL,
32 /* The switch is enabled when VAR_VALUE is not set in FLAG_VAR. */
33 CLVC_BIT_CLEAR,
35 /* The switch is enabled when VAR_VALUE is set in FLAG_VAR. */
36 CLVC_BIT_SET
39 struct cl_option
41 const char *opt_text;
42 const char *help;
43 unsigned short back_chain;
44 unsigned char opt_len;
45 unsigned int flags;
46 int *flag_var;
47 enum cl_var_cond var_cond;
48 int var_value;
51 extern const struct cl_option cl_options[];
52 extern const unsigned int cl_options_count;
53 extern const char *const lang_names[];
55 #define CL_TARGET (1 << 22) /* Target-specific option. */
56 #define CL_REPORT (1 << 23) /* Report argument with -fverbose-asm */
57 #define CL_JOINED (1 << 24) /* If takes joined argument. */
58 #define CL_SEPARATE (1 << 25) /* If takes a separate argument. */
59 #define CL_REJECT_NEGATIVE (1 << 26) /* Reject no- form. */
60 #define CL_MISSING_OK (1 << 27) /* Missing argument OK (joined). */
61 #define CL_UINTEGER (1 << 28) /* Argument is an integer >=0. */
62 #define CL_COMMON (1 << 29) /* Language-independent. */
63 #define CL_UNDOCUMENTED (1 << 30) /* Do not output with --help. */
65 /* Input file names. */
67 extern const char **in_fnames;
69 /* The count of input filenames. */
71 extern unsigned num_in_fnames;
73 extern void decode_options (unsigned int argc, const char **argv);
74 extern int option_enabled (const struct cl_option *);
75 extern void print_filtered_help (unsigned int);
77 #endif