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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> |
92e059d8 | 17 | #include <vector> |
bae7f79e | 18 | |
bae7f79e ILT |
19 | namespace gold |
20 | { | |
21 | ||
22 | class Command_line; | |
23 | ||
24 | namespace options { | |
25 | ||
26 | class Command_line_options; | |
27 | struct One_option; | |
28 | ||
29 | } // End namespace gold::options. | |
30 | ||
31 | // The position independent options which apply to the whole link. | |
32 | // There are a lot of them. | |
33 | ||
34 | class General_options | |
35 | { | |
36 | public: | |
37 | General_options(); | |
38 | ||
39 | // -L: Library search path. | |
40 | typedef std::list<const char*> Dir_list; | |
41 | ||
42 | const Dir_list& | |
43 | search_path() const | |
44 | { return this->search_path_; } | |
45 | ||
61ba1cf9 ILT |
46 | // -o: Output file name. |
47 | const char* | |
48 | output_file_name() const | |
49 | { return this->output_file_name_; } | |
50 | ||
bae7f79e ILT |
51 | // -r: Whether we are doing a relocatable link. |
52 | bool | |
53 | is_relocatable() const | |
54 | { return this->is_relocatable_; } | |
55 | ||
92e059d8 ILT |
56 | // --shared: Whether generating a shared object. |
57 | bool | |
58 | is_shared() const | |
59 | { return this->is_shared_; } | |
60 | ||
bae7f79e ILT |
61 | // --static: Whether doing a static link. |
62 | bool | |
63 | is_static() const | |
64 | { return this->is_static_; } | |
65 | ||
66 | private: | |
67 | friend class Command_line; | |
68 | friend class options::Command_line_options; | |
69 | ||
70 | void | |
71 | add_to_search_path(const char* arg) | |
72 | { this->search_path_.push_back(arg); } | |
73 | ||
61ba1cf9 ILT |
74 | void |
75 | set_output_file_name(const char* arg) | |
76 | { this->output_file_name_ = arg; } | |
77 | ||
bae7f79e ILT |
78 | void |
79 | set_relocatable() | |
80 | { this->is_relocatable_ = true; } | |
81 | ||
92e059d8 ILT |
82 | void |
83 | set_shared() | |
84 | { this->is_shared_ = true; } | |
85 | ||
bae7f79e ILT |
86 | void |
87 | set_static() | |
88 | { this->is_static_ = true; } | |
89 | ||
90 | Dir_list search_path_; | |
61ba1cf9 | 91 | const char* output_file_name_; |
bae7f79e | 92 | bool is_relocatable_; |
92e059d8 | 93 | bool is_shared_; |
bae7f79e ILT |
94 | bool is_static_; |
95 | ||
96 | // Don't copy this structure. | |
97 | General_options(const General_options&); | |
98 | General_options& operator=(const General_options&); | |
99 | }; | |
100 | ||
101 | // The current state of the position dependent options. | |
102 | ||
103 | class Position_dependent_options | |
104 | { | |
105 | public: | |
106 | Position_dependent_options(); | |
107 | ||
108 | // -Bstatic: Whether we are searching for a static archive rather | |
109 | // -than a shared object. | |
110 | bool | |
111 | do_static_search() | |
112 | { return this->do_static_search_; } | |
113 | ||
114 | private: | |
115 | friend class Command_line; | |
116 | friend class options::Command_line_options; | |
117 | ||
118 | void | |
119 | set_static_search() | |
120 | { this->do_static_search_ = true; } | |
121 | ||
122 | void | |
123 | set_dynamic_search() | |
124 | { this->do_static_search_ = false; } | |
125 | ||
126 | bool do_static_search_; | |
127 | }; | |
128 | ||
129 | // A single file or library argument from the command line. | |
130 | ||
131 | class Input_argument | |
132 | { | |
133 | public: | |
61ba1cf9 ILT |
134 | Input_argument(const char* name, bool is_lib, |
135 | const Position_dependent_options& options) | |
136 | : name_(name), is_lib_(is_lib), options_(options) | |
bae7f79e ILT |
137 | { } |
138 | ||
139 | const char* | |
140 | name() const | |
141 | { return this->name_; } | |
142 | ||
143 | const Position_dependent_options& | |
144 | options() const | |
145 | { return this->options_; } | |
146 | ||
147 | bool | |
148 | is_lib() const | |
61ba1cf9 | 149 | { return this->is_lib_; } |
bae7f79e ILT |
150 | |
151 | private: | |
152 | const char* name_; | |
61ba1cf9 | 153 | bool is_lib_; |
bae7f79e ILT |
154 | Position_dependent_options options_; |
155 | }; | |
156 | ||
92e059d8 ILT |
157 | // A list of input files. |
158 | class Input_argument_list : public std::vector<Input_argument> | |
159 | { | |
160 | }; | |
161 | ||
bae7f79e ILT |
162 | // All the information read from the command line. |
163 | ||
164 | class Command_line | |
165 | { | |
166 | public: | |
167 | Command_line(); | |
168 | ||
169 | // Process the command line options. This will exit with an | |
170 | // appropriate error message if an unrecognized option is seen. | |
171 | void | |
172 | process(int argc, char** argv); | |
173 | ||
61ba1cf9 ILT |
174 | // Handle a -l option. |
175 | int | |
176 | process_l_option(int, char**, char*); | |
177 | ||
178 | // Get the general options. | |
bae7f79e ILT |
179 | const General_options& |
180 | options() const | |
181 | { return this->options_; } | |
182 | ||
61ba1cf9 | 183 | // Get the list of input files. |
bae7f79e ILT |
184 | const Input_argument_list& |
185 | inputs() const | |
186 | { return this->inputs_; } | |
187 | ||
188 | private: | |
189 | void usage() ATTRIBUTE_NORETURN; | |
190 | void usage(const char* msg, const char* opt) ATTRIBUTE_NORETURN; | |
191 | void usage(const char* msg, char opt) ATTRIBUTE_NORETURN; | |
192 | void apply_option(const gold::options::One_option&, const char*); | |
193 | ||
194 | General_options options_; | |
195 | Position_dependent_options position_options_; | |
196 | Input_argument_list inputs_; | |
197 | }; | |
198 | ||
199 | } // End namespace gold. | |
200 | ||
201 | #endif // !defined(GOLD_OPTIONS_H) |