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
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
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
24 /* Specifies how a switch's VAR_VALUE relates to its FLAG_VAR. */
26 /* The switch is enabled when FLAG_VAR is nonzero. */
29 /* The switch is enabled when FLAG_VAR == VAR_VALUE. */
32 /* The switch is enabled when VAR_VALUE is not set in FLAG_VAR. */
35 /* The switch is enabled when VAR_VALUE is set in FLAG_VAR. */
38 /* The switch takes a string argument and FLAG_VAR points to that
47 unsigned short back_chain
;
48 unsigned char opt_len
;
51 enum cl_var_type var_type
;
55 /* Records that the state of an option consists of SIZE bytes starting
56 at DATA. DATA might point to CH in some cases. */
57 struct cl_option_state
{
63 extern const struct cl_option cl_options
[];
64 extern const unsigned int cl_options_count
;
65 extern const char *const lang_names
[];
67 #define CL_DISABLED (1 << 21) /* Disabled in this configuration. */
68 #define CL_TARGET (1 << 22) /* Target-specific option. */
69 #define CL_REPORT (1 << 23) /* Report argument with -fverbose-asm */
70 #define CL_JOINED (1 << 24) /* If takes joined argument. */
71 #define CL_SEPARATE (1 << 25) /* If takes a separate argument. */
72 #define CL_REJECT_NEGATIVE (1 << 26) /* Reject no- form. */
73 #define CL_MISSING_OK (1 << 27) /* Missing argument OK (joined). */
74 #define CL_UINTEGER (1 << 28) /* Argument is an integer >=0. */
75 #define CL_COMMON (1 << 29) /* Language-independent. */
76 #define CL_UNDOCUMENTED (1 << 30) /* Do not output with --help. */
78 /* Input file names. */
80 extern const char **in_fnames
;
82 /* The count of input filenames. */
84 extern unsigned num_in_fnames
;
86 extern void decode_options (unsigned int argc
, const char **argv
);
87 extern int option_enabled (int opt_idx
);
88 extern bool get_option_state (int, struct cl_option_state
*);
89 extern void print_filtered_help (unsigned int);