X-Git-Url: http://git.ozlabs.org/?p=petitboot;a=blobdiff_plain;f=discover%2Fgrub2%2Fgrub2.h;h=68176fbe3e18cca5f4ed010204812b7312f7b423;hp=4949f3c031a9027f4aa5e42c9c92626ff5258535;hb=fbe876dd19e4c289ba940b2e7f0ae0b23b790025;hpb=1513dd5d05f6408a64e19ea18cfaeb0cb8c5fb73 diff --git a/discover/grub2/grub2.h b/discover/grub2/grub2.h index 4949f3c..68176fb 100644 --- a/discover/grub2/grub2.h +++ b/discover/grub2/grub2.h @@ -43,6 +43,7 @@ struct grub2_statement { STMT_TYPE_MENUENTRY, STMT_TYPE_IF, STMT_TYPE_BLOCK, + STMT_TYPE_CONDITIONAL, } type; int (*exec)(struct grub2_script *, struct grub2_statement *); @@ -59,11 +60,16 @@ struct grub2_statement_menuentry { struct grub2_statements *statements; }; -struct grub2_statement_if { +struct grub2_statement_conditional { struct grub2_statement st; struct grub2_statement *condition; - struct grub2_statements *true_case; - struct grub2_statements *false_case; + struct grub2_statements *statements; +}; + +struct grub2_statement_if { + struct grub2_statement st; + struct grub2_statements *conditionals; + struct grub2_statements *else_case; }; struct grub2_statement_block { @@ -71,6 +77,18 @@ struct grub2_statement_block { struct grub2_statements *statements; }; +struct grub2_statement_function { + struct grub2_statement st; + struct grub2_word *name; + struct grub2_statements *body; +}; + +struct grub2_statement_for { + struct grub2_statement st; + struct grub2_word *var; + struct grub2_argv *list; + struct grub2_statements *body; +}; struct grub2_script { struct grub2_statements *statements; @@ -78,11 +96,15 @@ struct grub2_script { struct list symtab; struct discover_context *ctx; struct discover_boot_option *opt; + const char *filename; + unsigned int n_options; + struct list options; }; struct grub2_parser { void *scanner; struct grub2_script *script; + bool inter_word; }; /* type for builtin functions */ @@ -97,14 +119,25 @@ struct grub2_statement *create_statement_simple(struct grub2_parser *parser, struct grub2_statement *create_statement_menuentry(struct grub2_parser *parser, struct grub2_argv *argv, struct grub2_statements *stmts); +struct grub2_statement *create_statement_conditional( + struct grub2_parser *parser, struct grub2_statement *condition, + struct grub2_statements *statements); + struct grub2_statement *create_statement_if(struct grub2_parser *parser, - struct grub2_statement *condition, - struct grub2_statements *true_case, - struct grub2_statements *false_case); + struct grub2_statement *conditional, + struct grub2_statements *elifs, + struct grub2_statements *else_case); struct grub2_statement *create_statement_block(struct grub2_parser *parser, struct grub2_statements *stmts); +struct grub2_statement *create_statement_function(struct grub2_parser *parser, + struct grub2_word *name, struct grub2_statements *body); + +struct grub2_statement *create_statement_for(struct grub2_parser *parser, + struct grub2_word *var, struct grub2_argv *list, + struct grub2_statements *body); + struct grub2_word *create_word_text(struct grub2_parser *parser, const char *text); @@ -125,10 +158,16 @@ void script_execute(struct grub2_script *script); int statement_simple_execute(struct grub2_script *script, struct grub2_statement *statement); +int statement_block_execute(struct grub2_script *script, + struct grub2_statement *statement); int statement_if_execute(struct grub2_script *script, struct grub2_statement *statement); int statement_menuentry_execute(struct grub2_script *script, struct grub2_statement *statement); +int statement_function_execute(struct grub2_script *script, + struct grub2_statement *statement); +int statement_for_execute(struct grub2_script *script, + struct grub2_statement *statement); struct grub2_script *create_script(struct grub2_parser *parser, struct discover_context *ctx); @@ -144,7 +183,7 @@ void script_register_function(struct grub2_script *script, void register_builtins(struct grub2_script *script); /* resources */ -struct resource *create_grub2_resource(void *ctx, +struct resource *create_grub2_resource(struct discover_boot_option *opt, struct discover_device *orig_device, const char *root, const char *path); @@ -153,6 +192,7 @@ bool resolve_grub2_resource(struct device_handler *handler, /* external parser api */ struct grub2_parser *grub2_parser_create(struct discover_context *ctx); -void grub2_parser_parse(struct grub2_parser *parser, char *buf, int len); +void grub2_parser_parse(struct grub2_parser *parser, const char *filename, + char *buf, int len); #endif /* GRUB2_H */