Mercurial > hg > CbC > CbC_gcc
comparison gcc/opts.h @ 0:a06113de4d67
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author | kent <kent@cr.ie.u-ryukyu.ac.jp> |
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date | Fri, 17 Jul 2009 14:47:48 +0900 |
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children | 77e2b8dfacca |
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1 /* Command line option handling. | |
2 Copyright (C) 2002, 2003, 2004, 2005, 2007, 2008 | |
3 Free Software Foundation, Inc. | |
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 | |
9 Software Foundation; either version 3, or (at your option) any later | |
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 | |
18 along with GCC; see the file COPYING3. If not see | |
19 <http://www.gnu.org/licenses/>. */ | |
20 | |
21 #ifndef GCC_OPTS_H | |
22 #define GCC_OPTS_H | |
23 | |
24 /* Specifies how a switch's VAR_VALUE relates to its FLAG_VAR. */ | |
25 enum cl_var_type { | |
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. */ | |
36 CLVC_BIT_SET, | |
37 | |
38 /* The switch takes a string argument and FLAG_VAR points to that | |
39 argument. */ | |
40 CLVC_STRING | |
41 }; | |
42 | |
43 struct cl_option | |
44 { | |
45 const char *opt_text; | |
46 const char *help; | |
47 unsigned short back_chain; | |
48 unsigned char opt_len; | |
49 int neg_index; | |
50 unsigned int flags; | |
51 void *flag_var; | |
52 enum cl_var_type var_type; | |
53 int var_value; | |
54 }; | |
55 | |
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 | |
64 extern const struct cl_option cl_options[]; | |
65 extern const unsigned int cl_options_count; | |
66 extern const char *const lang_names[]; | |
67 extern const unsigned int cl_lang_count; | |
68 | |
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 | |
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 | |
83 #define CL_SAVE (1 << 22) /* Target-specific option for attribute. */ | |
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. */ | |
91 #define CL_UNDOCUMENTED (1 << 30) /* Do not output with --help. */ | |
92 | |
93 /* Input file names. */ | |
94 | |
95 extern const char **in_fnames; | |
96 | |
97 /* The count of input filenames. */ | |
98 | |
99 extern unsigned num_in_fnames; | |
100 | |
101 size_t find_opt (const char *input, int lang_mask); | |
102 extern void prune_options (int *argcp, char ***argvp); | |
103 extern void decode_options (unsigned int argc, const char **argv); | |
104 extern int option_enabled (int opt_idx); | |
105 extern bool get_option_state (int, struct cl_option_state *); | |
106 | |
107 extern void enable_warning_as_error (const char *arg, int value, | |
108 unsigned int lang_mask); | |
109 extern void print_ignored_options (void); | |
110 #endif |