discover/grub2: Hook up flex/bison parser to discover server

[petitboot] / discover / grub2 / grub2.h

diff --git a/discover/grub2/grub2.h b/discover/grub2/grub2.h
index de74fa5a46e43e8ed92c68beb800036a376e215d..149e1e1fba0e6b6712ad61c98cc8eb5dcbee01aa 100644 (file)
--- a/discover/grub2/grub2.h
+++ b/discover/grub2/grub2.h
@@ -1,6 +1,8 @@
 #ifndef GRUB2_H
 #define GRUB2_H
 
+#include <discover/device-handler.h>
+
 #include <stdbool.h>
 #include <list/list.h>
 
@@ -12,12 +14,10 @@ struct grub2_word {
                GRUB2_WORD_VAR,
        } type;
        union {
-               char    *text;
-               struct {
-                       const char      *name;
-                       bool            split;
-               } var;
+               char            *text;
+               const char      *name;
        };
+       bool                    split;
        struct grub2_word       *next;
        struct grub2_word       *last;
        struct list_item        argv_list;
@@ -25,6 +25,11 @@ struct grub2_word {
 
 struct grub2_argv {
        struct list             words;
+
+       /* postprocessing (with process_expansions) populates these to hand to
+        * the grub2_command callbacks */
+       char                    **argv;
+       int                     argc;
 };
 
 struct grub2_statements {
@@ -66,9 +71,18 @@ struct grub2_statement_block {
        struct grub2_statements *statements;
 };
 
+struct grub2_command {
+       const char              *name;
+       int                     (*exec)(struct grub2_script *script,
+                                       int argc, char *argv[]);
+       struct list_item        list;
+};
+
 struct grub2_script {
        struct grub2_statements *statements;
        struct list             environment;
+       struct list             commands;
+       struct list             symtab;
 };
 
 struct grub2_parser {
@@ -76,6 +90,10 @@ struct grub2_parser {
        struct grub2_script     *script;
 };
 
+struct grub2_root {
+       char *uuid;
+};
+
 struct grub2_statements *create_statements(struct grub2_parser *parser);
 
 struct grub2_statement *create_statement_simple(struct grub2_parser *parser,
@@ -119,5 +137,29 @@ int statement_menuentry_execute(struct grub2_script *script,
 
 struct grub2_script *create_script(void *ctx);
 
+const char *script_env_get(struct grub2_script *script, const char *name);
+
+void script_env_set(struct grub2_script *script,
+               const char *name, const char *value);
+
+void script_register_command(struct grub2_script *script,
+               struct grub2_command *command);
+
+struct grub2_command *script_lookup_command(struct grub2_script *script,
+               const char *name);
+
+void register_builtins(struct grub2_script *script);
+
+/* resources */
+struct resource *create_grub2_resource(void *ctx,
+               struct discover_device *orig_device,
+               struct grub2_root *root, const char *path);
+
+bool resolve_grub2_resource(struct device_handler *handler,
+               struct resource *res);
+
+/* external parser api */
+struct grub2_parser *grub2_parser_create(void *ctx);
+void grub2_parser_parse(struct grub2_parser *parser, char *buf, int len);
 #endif /* GRUB2_H */