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_statement_function {
75 struct grub2_statement st;
76 struct grub2_word *name;
77 struct grub2_statements *body;
81 struct grub2_statements *statements;
82 struct list environment;
84 struct discover_context *ctx;
85 struct discover_boot_option *opt;
90 struct grub2_script *script;
93 /* type for builtin functions */
94 typedef int (*grub2_function)(struct grub2_script *script, void *data,
95 int argc, char *argv[]);
97 struct grub2_statements *create_statements(struct grub2_parser *parser);
99 struct grub2_statement *create_statement_simple(struct grub2_parser *parser,
100 struct grub2_argv *argv);
102 struct grub2_statement *create_statement_menuentry(struct grub2_parser *parser,
103 struct grub2_argv *argv, struct grub2_statements *stmts);
105 struct grub2_statement *create_statement_if(struct grub2_parser *parser,
106 struct grub2_statement *condition,
107 struct grub2_statements *true_case,
108 struct grub2_statements *false_case);
110 struct grub2_statement *create_statement_block(struct grub2_parser *parser,
111 struct grub2_statements *stmts);
113 struct grub2_statement *create_statement_function(struct grub2_parser *parser,
114 struct grub2_word *name, struct grub2_statements *body);
116 struct grub2_word *create_word_text(struct grub2_parser *parser,
119 struct grub2_word *create_word_var(struct grub2_parser *parser,
120 const char *name, bool split);
122 struct grub2_argv *create_argv(struct grub2_parser *parser);
124 void statement_append(struct grub2_statements *stmts,
125 struct grub2_statement *stmt);
127 void argv_append(struct grub2_argv *argv, struct grub2_word *word);
129 void word_append(struct grub2_word *w1, struct grub2_word *w2);
131 /* script interface */
132 void script_execute(struct grub2_script *script);
134 int statement_simple_execute(struct grub2_script *script,
135 struct grub2_statement *statement);
136 int statement_if_execute(struct grub2_script *script,
137 struct grub2_statement *statement);
138 int statement_menuentry_execute(struct grub2_script *script,
139 struct grub2_statement *statement);
140 int statement_function_execute(struct grub2_script *script,
141 struct grub2_statement *statement);
143 struct grub2_script *create_script(struct grub2_parser *parser,
144 struct discover_context *ctx);
146 const char *script_env_get(struct grub2_script *script, const char *name);
148 void script_env_set(struct grub2_script *script,
149 const char *name, const char *value);
151 void script_register_function(struct grub2_script *script,
152 const char *name, grub2_function fn, void *data);
154 void register_builtins(struct grub2_script *script);
157 struct resource *create_grub2_resource(void *ctx,
158 struct discover_device *orig_device,
159 const char *root, const char *path);
161 bool resolve_grub2_resource(struct device_handler *handler,
162 struct resource *res);
164 /* external parser api */
165 struct grub2_parser *grub2_parser_create(struct discover_context *ctx);
166 void grub2_parser_parse(struct grub2_parser *parser, char *buf, int len);