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Commit | Line | Data |
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2772ef3e | 1 | /* Command line option handling. |
66647d44 JJ |
2 | Copyright (C) 2002, 2003, 2004, 2005, 2007, 2008 |
3 | Free Software Foundation, Inc. | |
2772ef3e NB |
4 | |
5 | This file is part of GCC. | |
6 | ||
7 | GCC is free software; you can redistribute it and/or modify it under | |
8 | the terms of the GNU General Public License as published by the Free | |
9dcd6f09 | 9 | Software Foundation; either version 3, or (at your option) any later |
2772ef3e NB |
10 | version. |
11 | ||
12 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
13 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
15 | for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
9dcd6f09 NC |
18 | along with GCC; see the file COPYING3. If not see |
19 | <http://www.gnu.org/licenses/>. */ | |
2772ef3e NB |
20 | |
21 | #ifndef GCC_OPTS_H | |
22 | #define GCC_OPTS_H | |
23 | ||
75685792 | 24 | /* Specifies how a switch's VAR_VALUE relates to its FLAG_VAR. */ |
55bea00a | 25 | enum cl_var_type { |
75685792 RS |
26 | /* The switch is enabled when FLAG_VAR is nonzero. */ |
27 | CLVC_BOOLEAN, | |
28 | ||
29 | /* The switch is enabled when FLAG_VAR == VAR_VALUE. */ | |
30 | CLVC_EQUAL, | |
31 | ||
32 | /* The switch is enabled when VAR_VALUE is not set in FLAG_VAR. */ | |
33 | CLVC_BIT_CLEAR, | |
34 | ||
35 | /* The switch is enabled when VAR_VALUE is set in FLAG_VAR. */ | |
55bea00a RS |
36 | CLVC_BIT_SET, |
37 | ||
38 | /* The switch takes a string argument and FLAG_VAR points to that | |
39 | argument. */ | |
40 | CLVC_STRING | |
75685792 | 41 | }; |
2772ef3e | 42 | |
35399bdc NB |
43 | struct cl_option |
44 | { | |
45 | const char *opt_text; | |
cf03fd63 | 46 | const char *help; |
9cd23ed2 | 47 | unsigned short back_chain; |
35399bdc | 48 | unsigned char opt_len; |
14c7833c | 49 | int neg_index; |
d7b42618 | 50 | unsigned int flags; |
55bea00a RS |
51 | void *flag_var; |
52 | enum cl_var_type var_type; | |
75685792 | 53 | int var_value; |
35399bdc NB |
54 | }; |
55 | ||
5c60a017 RS |
56 | /* Records that the state of an option consists of SIZE bytes starting |
57 | at DATA. DATA might point to CH in some cases. */ | |
58 | struct cl_option_state { | |
59 | const void *data; | |
60 | size_t size; | |
61 | char ch; | |
62 | }; | |
63 | ||
35399bdc NB |
64 | extern const struct cl_option cl_options[]; |
65 | extern const unsigned int cl_options_count; | |
f18754d6 | 66 | extern const char *const lang_names[]; |
c662432e | 67 | extern const unsigned int cl_lang_count; |
35399bdc | 68 | |
a1fd13d0 JJ |
69 | #define CL_PARAMS (1 << 17) /* Fake entry. Used to display --param info with --help. */ |
70 | #define CL_WARNING (1 << 18) /* Enables an (optional) warning message. */ | |
71 | #define CL_OPTIMIZATION (1 << 19) /* Enables an (optional) optimization. */ | |
72 | #define CL_TARGET (1 << 20) /* Target-specific option. */ | |
73 | #define CL_COMMON (1 << 21) /* Language-independent. */ | |
74 | ||
75 | #define CL_MIN_OPTION_CLASS CL_PARAMS | |
c662432e NC |
76 | #define CL_MAX_OPTION_CLASS CL_COMMON |
77 | ||
78 | /* From here on the bits describe attributes of the options. | |
79 | Before this point the bits have described the class of the option. | |
80 | This distinction is important because --help will not list options | |
81 | which only have these higher bits set. */ | |
82 | ||
a1fd13d0 | 83 | #define CL_SAVE (1 << 22) /* Target-specific option for attribute. */ |
c662432e NC |
84 | #define CL_DISABLED (1 << 23) /* Disabled in this configuration. */ |
85 | #define CL_REPORT (1 << 24) /* Report argument with -fverbose-asm */ | |
86 | #define CL_JOINED (1 << 25) /* If takes joined argument. */ | |
87 | #define CL_SEPARATE (1 << 26) /* If takes a separate argument. */ | |
88 | #define CL_REJECT_NEGATIVE (1 << 27) /* Reject no- form. */ | |
89 | #define CL_MISSING_OK (1 << 28) /* Missing argument OK (joined). */ | |
90 | #define CL_UINTEGER (1 << 29) /* Argument is an integer >=0. */ | |
f2ac9964 | 91 | #define CL_UNDOCUMENTED (1 << 30) /* Do not output with --help. */ |
2772ef3e | 92 | |
59e4e217 | 93 | /* Input file names. */ |
40e941af PB |
94 | |
95 | extern const char **in_fnames; | |
96 | ||
59e4e217 | 97 | /* The count of input filenames. */ |
40e941af PB |
98 | |
99 | extern unsigned num_in_fnames; | |
100 | ||
14c7833c L |
101 | size_t find_opt (const char *input, int lang_mask); |
102 | extern void prune_options (int *argcp, char ***argvp); | |
75685792 | 103 | extern void decode_options (unsigned int argc, const char **argv); |
ccf08a6e | 104 | extern int option_enabled (int opt_idx); |
5c60a017 | 105 | extern bool get_option_state (int, struct cl_option_state *); |
75685792 | 106 | |
dc90f45b MLI |
107 | extern void enable_warning_as_error (const char *arg, int value, |
108 | unsigned int lang_mask); | |
369dcbd9 | 109 | extern void print_ignored_options (void); |
2772ef3e | 110 | #endif |