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bae7f79e ILT |
1 | // options.h -- handle command line options for gold -*- C++ -*- |
2 | ||
3 | // Command_line | |
4 | // Holds everything we get from the command line. | |
5 | // General_options (from Command_line::options()) | |
6 | // Options which are not position dependent. | |
7 | // Input_argument (from Command_line::inputs()) | |
8 | // The list of input files, including -l options. | |
9 | // Position_dependent_options (from Input_argument::options()) | |
10 | // Position dependent options which apply to this argument. | |
11 | ||
12 | #ifndef GOLD_OPTIONS_H | |
13 | #define GOLD_OPTIONS_H | |
14 | ||
15 | #include <list> | |
61ba1cf9 | 16 | #include <string> |
bae7f79e | 17 | |
bae7f79e ILT |
18 | namespace gold |
19 | { | |
20 | ||
21 | class Command_line; | |
22 | ||
23 | namespace options { | |
24 | ||
25 | class Command_line_options; | |
26 | struct One_option; | |
27 | ||
28 | } // End namespace gold::options. | |
29 | ||
30 | // The position independent options which apply to the whole link. | |
31 | // There are a lot of them. | |
32 | ||
33 | class General_options | |
34 | { | |
35 | public: | |
36 | General_options(); | |
37 | ||
38 | // -L: Library search path. | |
39 | typedef std::list<const char*> Dir_list; | |
40 | ||
41 | const Dir_list& | |
42 | search_path() const | |
43 | { return this->search_path_; } | |
44 | ||
61ba1cf9 ILT |
45 | // -o: Output file name. |
46 | const char* | |
47 | output_file_name() const | |
48 | { return this->output_file_name_; } | |
49 | ||
bae7f79e ILT |
50 | // -r: Whether we are doing a relocatable link. |
51 | bool | |
52 | is_relocatable() const | |
53 | { return this->is_relocatable_; } | |
54 | ||
55 | // --static: Whether doing a static link. | |
56 | bool | |
57 | is_static() const | |
58 | { return this->is_static_; } | |
59 | ||
60 | private: | |
61 | friend class Command_line; | |
62 | friend class options::Command_line_options; | |
63 | ||
64 | void | |
65 | add_to_search_path(const char* arg) | |
66 | { this->search_path_.push_back(arg); } | |
67 | ||
61ba1cf9 ILT |
68 | void |
69 | set_output_file_name(const char* arg) | |
70 | { this->output_file_name_ = arg; } | |
71 | ||
bae7f79e ILT |
72 | void |
73 | set_relocatable() | |
74 | { this->is_relocatable_ = true; } | |
75 | ||
76 | void | |
77 | set_static() | |
78 | { this->is_static_ = true; } | |
79 | ||
80 | Dir_list search_path_; | |
61ba1cf9 | 81 | const char* output_file_name_; |
bae7f79e ILT |
82 | bool is_relocatable_; |
83 | bool is_static_; | |
84 | ||
85 | // Don't copy this structure. | |
86 | General_options(const General_options&); | |
87 | General_options& operator=(const General_options&); | |
88 | }; | |
89 | ||
90 | // The current state of the position dependent options. | |
91 | ||
92 | class Position_dependent_options | |
93 | { | |
94 | public: | |
95 | Position_dependent_options(); | |
96 | ||
97 | // -Bstatic: Whether we are searching for a static archive rather | |
98 | // -than a shared object. | |
99 | bool | |
100 | do_static_search() | |
101 | { return this->do_static_search_; } | |
102 | ||
103 | private: | |
104 | friend class Command_line; | |
105 | friend class options::Command_line_options; | |
106 | ||
107 | void | |
108 | set_static_search() | |
109 | { this->do_static_search_ = true; } | |
110 | ||
111 | void | |
112 | set_dynamic_search() | |
113 | { this->do_static_search_ = false; } | |
114 | ||
115 | bool do_static_search_; | |
116 | }; | |
117 | ||
118 | // A single file or library argument from the command line. | |
119 | ||
120 | class Input_argument | |
121 | { | |
122 | public: | |
61ba1cf9 ILT |
123 | Input_argument(const char* name, bool is_lib, |
124 | const Position_dependent_options& options) | |
125 | : name_(name), is_lib_(is_lib), options_(options) | |
bae7f79e ILT |
126 | { } |
127 | ||
128 | const char* | |
129 | name() const | |
130 | { return this->name_; } | |
131 | ||
132 | const Position_dependent_options& | |
133 | options() const | |
134 | { return this->options_; } | |
135 | ||
136 | bool | |
137 | is_lib() const | |
61ba1cf9 | 138 | { return this->is_lib_; } |
bae7f79e ILT |
139 | |
140 | private: | |
141 | const char* name_; | |
61ba1cf9 | 142 | bool is_lib_; |
bae7f79e ILT |
143 | Position_dependent_options options_; |
144 | }; | |
145 | ||
146 | // All the information read from the command line. | |
147 | ||
148 | class Command_line | |
149 | { | |
150 | public: | |
151 | Command_line(); | |
152 | ||
153 | // Process the command line options. This will exit with an | |
154 | // appropriate error message if an unrecognized option is seen. | |
155 | void | |
156 | process(int argc, char** argv); | |
157 | ||
61ba1cf9 ILT |
158 | // Handle a -l option. |
159 | int | |
160 | process_l_option(int, char**, char*); | |
161 | ||
162 | // Get the general options. | |
bae7f79e ILT |
163 | const General_options& |
164 | options() const | |
165 | { return this->options_; } | |
166 | ||
167 | typedef std::list<Input_argument> Input_argument_list; | |
168 | ||
61ba1cf9 | 169 | // Get the list of input files. |
bae7f79e ILT |
170 | const Input_argument_list& |
171 | inputs() const | |
172 | { return this->inputs_; } | |
173 | ||
174 | private: | |
175 | void usage() ATTRIBUTE_NORETURN; | |
176 | void usage(const char* msg, const char* opt) ATTRIBUTE_NORETURN; | |
177 | void usage(const char* msg, char opt) ATTRIBUTE_NORETURN; | |
178 | void apply_option(const gold::options::One_option&, const char*); | |
179 | ||
180 | General_options options_; | |
181 | Position_dependent_options position_options_; | |
182 | Input_argument_list inputs_; | |
183 | }; | |
184 | ||
185 | } // End namespace gold. | |
186 | ||
187 | #endif // !defined(GOLD_OPTIONS_H) |