4 #include <discover/device-handler.h>
21 struct grub2_word *next;
22 struct grub2_word *last;
23 struct list_item argv_list;
29 /* postprocessing (with process_expansions) populates these to hand to
30 * the grub2_command callbacks */
35 struct grub2_statements {
39 struct grub2_statement {
40 struct list_item list;
47 int (*exec)(struct grub2_script *,
48 struct grub2_statement *);
51 struct grub2_statement_simple {
52 struct grub2_statement st;
53 struct grub2_argv *argv;
56 struct grub2_statement_menuentry {
57 struct grub2_statement st;
58 struct grub2_argv *argv;
59 struct grub2_statements *statements;
62 struct grub2_statement_if {
63 struct grub2_statement st;
64 struct grub2_statement *condition;
65 struct grub2_statements *true_case;
66 struct grub2_statements *false_case;
69 struct grub2_statement_block {
70 struct grub2_statement st;
71 struct grub2_statements *statements;
74 struct grub2_command {
76 int (*exec)(struct grub2_script *script,
77 int argc, char *argv[]);
78 struct list_item list;
82 struct grub2_statements *statements;
83 struct list environment;
86 struct discover_context *ctx;
91 struct grub2_script *script;
98 struct grub2_statements *create_statements(struct grub2_parser *parser);
100 struct grub2_statement *create_statement_simple(struct grub2_parser *parser,
101 struct grub2_argv *argv);
103 struct grub2_statement *create_statement_menuentry(struct grub2_parser *parser,
104 struct grub2_argv *argv, struct grub2_statements *stmts);
106 struct grub2_statement *create_statement_if(struct grub2_parser *parser,
107 struct grub2_statement *condition,
108 struct grub2_statements *true_case,
109 struct grub2_statements *false_case);
111 struct grub2_statement *create_statement_block(struct grub2_parser *parser,
112 struct grub2_statements *stmts);
114 struct grub2_word *create_word_text(struct grub2_parser *parser,
117 struct grub2_word *create_word_var(struct grub2_parser *parser,
118 const char *name, bool split);
120 struct grub2_argv *create_argv(struct grub2_parser *parser);
122 void statement_append(struct grub2_statements *stmts,
123 struct grub2_statement *stmt);
125 void argv_append(struct grub2_argv *argv, struct grub2_word *word);
127 void word_append(struct grub2_word *w1, struct grub2_word *w2);
129 /* script interface */
130 void script_execute(struct grub2_script *script);
132 int statement_simple_execute(struct grub2_script *script,
133 struct grub2_statement *statement);
134 int statement_if_execute(struct grub2_script *script,
135 struct grub2_statement *statement);
136 int statement_menuentry_execute(struct grub2_script *script,
137 struct grub2_statement *statement);
139 struct grub2_script *create_script(struct grub2_parser *parser,
140 struct discover_context *ctx);
142 const char *script_env_get(struct grub2_script *script, const char *name);
144 void script_env_set(struct grub2_script *script,
145 const char *name, const char *value);
147 void script_register_command(struct grub2_script *script,
148 struct grub2_command *command);
150 struct grub2_command *script_lookup_command(struct grub2_script *script,
153 void register_builtins(struct grub2_script *script);
156 struct resource *create_grub2_resource(void *ctx,
157 struct discover_device *orig_device,
158 struct grub2_root *root, const char *path);
160 bool resolve_grub2_resource(struct device_handler *handler,
161 struct resource *res);
163 /* external parser api */
164 struct grub2_parser *grub2_parser_create(struct discover_context *ctx);
165 void grub2_parser_parse(struct grub2_parser *parser, char *buf, int len);